n type calcium channels

Summary

Summary: CALCIUM CHANNELS that are concentrated in neural tissue. Omega toxins inhibit the actions of these channels by altering their voltage dependence.

Top Publications

  1. ncbi Distribution of voltage-dependent calcium channel beta subunits in the hippocampus of patients with temporal lobe epilepsy
    A A Lie
    Department of Epileptology, University of Bonn Medical Center, Germany
    Neuroscience 93:449-56. 1999
  2. ncbi Membrane depolarization inhibits spiral ganglion neurite growth via activation of multiple types of voltage sensitive calcium channels and calpain
    Pamela C Roehm
    Department of Otolaryngology Head and Neck Surgery, University of Iowa, Iowa City, IA 52242, USA
    Mol Cell Neurosci 37:376-87. 2008
  3. ncbi Interaction via a key tryptophan in the I-II linker of N-type calcium channels is required for beta1 but not for palmitoylated beta2, implicating an additional binding site in the regulation of channel voltage-dependent properties
    Jérôme Leroy
    Department of Pharmacology, University College London, London WC1E 6BT, United Kingdom
    J Neurosci 25:6984-96. 2005
  4. ncbi Transfer of beta subunit regulation from high to low voltage-gated Ca2+ channels
    Juan Manuel Arias
    Department of Pharmacology, University of Virginia, Charlottesville, VA 22908, USA
    FEBS Lett 579:3907-12. 2005
  5. ncbi Endocannabinoids inhibit transmission at granule cell to Purkinje cell synapses by modulating three types of presynaptic calcium channels
    Solange P Brown
    Department of Neurobiology, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Neurosci 24:5623-31. 2004
  6. ncbi Systematic identification of splice variants in human P/Q-type channel alpha1(2.1) subunits: implications for current density and Ca2+-dependent inactivation
    Tuck Wah Soong
    National Neuroscience Institute, Singapore 308433
    J Neurosci 22:10142-52. 2002
  7. ncbi RGS2 blocks slow muscarinic inhibition of N-type Ca(2+) channels reconstituted in a human cell line
    K Melliti
    Department of Biology, Utah State University, Logan 84322-5305, USA
    J Physiol 532:337-47. 2001
  8. ncbi Physiological patterns of electrical stimulation can induce neuronal gene expression by activating N-type calcium channels
    T A Brosenitsch
    Department of Neurosciences, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, USA
    J Neurosci 21:2571-9. 2001
  9. ncbi Phosphatidylinositol [correction] 4,5-bisphosphate signals underlie receptor-specific Gq/11-mediated modulation of N-type Ca2+ channels
    Nikita Gamper
    Department of Physiology, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229, USA
    J Neurosci 24:10980-92. 2004
  10. ncbi Arachidonic acid both inhibits and enhances whole cell calcium currents in rat sympathetic neurons
    L Liu
    Program in Neuroscience, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Am J Physiol Cell Physiol 280:C1293-305. 2001

Research Grants

  1. PRESYNAPTIC RECEPTORS ON EMBRYONIC SENSORY NEURONS
    Kathleen Dunlap; Fiscal Year: 2007
  2. Nitrergic Neuro-smooth Muscle Transmission in the Gut
    Raj K Goyal; Fiscal Year: 2010
  3. Farnesol Analogues as Novel Treatment of Alcoholism
    Jean Baptiste Roullet; Fiscal Year: 2005
  4. ELECTROPHYSIOLOGICAL ASSESSMENT OF CANNABINOID RECEPTORS
    SAMUEL DEADWYLER; Fiscal Year: 1999
  5. STUDIES OF N-TYPE CALCIUM CHANNELS
    Aaron Fox; Fiscal Year: 2003
  6. HYPOXIC EFFECTS ON MAMMALIAN RESPIRATORY NEURAL NETWORK
    JAN RAMIREZ; Fiscal Year: 2002
  7. Development of High Throughput Assays for N-type Calcium Channels
    Edward Perez Reyes; Fiscal Year: 2007
  8. CA CHANNELS: G PROTEINS & INACTIVATION
    David Yue; Fiscal Year: 2001
  9. MOLECULAR MECHANISMS OF N TYPE CALCIUM CHANNEL MODULATIO
    STEPHEN IKEDA; Fiscal Year: 2001
  10. MOLECULAR MECHANISMS OF N TYPE CALCIUM CHANNEL MODULATIO
    STEPHEN IKEDA; Fiscal Year: 1999

Detail Information

Publications182 found, 100 shown here

  1. ncbi Distribution of voltage-dependent calcium channel beta subunits in the hippocampus of patients with temporal lobe epilepsy
    A A Lie
    Department of Epileptology, University of Bonn Medical Center, Germany
    Neuroscience 93:449-56. 1999
    ..Altered expression of these beta subunits may lead to increased currents carried by voltage-dependent calcium channels and to enhanced synaptic excitability...
  2. ncbi Membrane depolarization inhibits spiral ganglion neurite growth via activation of multiple types of voltage sensitive calcium channels and calpain
    Pamela C Roehm
    Department of Otolaryngology Head and Neck Surgery, University of Iowa, Iowa City, IA 52242, USA
    Mol Cell Neurosci 37:376-87. 2008
    ....
  3. ncbi Interaction via a key tryptophan in the I-II linker of N-type calcium channels is required for beta1 but not for palmitoylated beta2, implicating an additional binding site in the regulation of channel voltage-dependent properties
    Jérôme Leroy
    Department of Pharmacology, University College London, London WC1E 6BT, United Kingdom
    J Neurosci 25:6984-96. 2005
    ....
  4. ncbi Transfer of beta subunit regulation from high to low voltage-gated Ca2+ channels
    Juan Manuel Arias
    Department of Pharmacology, University of Virginia, Charlottesville, VA 22908, USA
    FEBS Lett 579:3907-12. 2005
    ..Taken together, these results support a direct coupling model where beta subunits alter movements in IS6 that occur as the channel transits between closed, open, and inactivated states...
  5. ncbi Endocannabinoids inhibit transmission at granule cell to Purkinje cell synapses by modulating three types of presynaptic calcium channels
    Solange P Brown
    Department of Neurobiology, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Neurosci 24:5623-31. 2004
    ....
  6. ncbi Systematic identification of splice variants in human P/Q-type channel alpha1(2.1) subunits: implications for current density and Ca2+-dependent inactivation
    Tuck Wah Soong
    National Neuroscience Institute, Singapore 308433
    J Neurosci 22:10142-52. 2002
    ..These findings significantly expand the anticipated scope of functional diversity produced by splice variation of P/Q-type channels...
  7. ncbi RGS2 blocks slow muscarinic inhibition of N-type Ca(2+) channels reconstituted in a human cell line
    K Melliti
    Department of Biology, Utah State University, Logan 84322-5305, USA
    J Physiol 532:337-47. 2001
    ..These results identify RGS2 as a potential physiological regulator of the slow muscarinic pathway...
  8. ncbi Physiological patterns of electrical stimulation can induce neuronal gene expression by activating N-type calcium channels
    T A Brosenitsch
    Department of Neurosciences, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106, USA
    J Neurosci 21:2571-9. 2001
    ..Moreover, our data show that phasic and chronic depolarizing stimuli act through distinct mechanisms to induce neuronal gene expression...
  9. ncbi Phosphatidylinositol [correction] 4,5-bisphosphate signals underlie receptor-specific Gq/11-mediated modulation of N-type Ca2+ channels
    Nikita Gamper
    Department of Physiology, University of Texas Health Science Center at San Antonio, San Antonio, Texas 78229, USA
    J Neurosci 24:10980-92. 2004
    ..We suggest that differential use of PIP2 signals underlies specificity of Gq/11-coupled receptor actions on the channels..
  10. ncbi Arachidonic acid both inhibits and enhances whole cell calcium currents in rat sympathetic neurons
    L Liu
    Program in Neuroscience, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    Am J Physiol Cell Physiol 280:C1293-305. 2001
    ..AA also enhanced the rate of N-type current activation. These findings indicate that AA causes multiple changes in sympathetic Ca(2+) currents...
  11. ncbi Molecular determinants of Ca(2+)/calmodulin-dependent regulation of Ca(v)2.1 channels
    Amy Lee
    Department of Pharmacology, University of Washington School of Medicine, Seattle, WA 98195 7280, USA
    Proc Natl Acad Sci U S A 100:16059-64. 2003
    ..This multifaceted mechanism allows positive regulation of Cav2.1 in response to local Ca2+ increases (CDF) and negative regulation during more global Ca2+ increases (CDI)...
  12. ncbi Capacitance measurements of exocytosis in mouse pancreatic alpha-, beta- and delta-cells within intact islets of Langerhans
    Sven Göpel
    Department of Physiological Sciences, BMC F11, SE 221 84 Lund, Sweden
    J Physiol 556:711-26. 2004
    ....
  13. ncbi Endocannabinoids modulate N-type calcium channels and G-protein-coupled inwardly rectifying potassium channels via CB1 cannabinoid receptors heterologously expressed in mammalian neurons
    Juan Guo
    Laboratory of Molecular Physiology, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Bethesda, MD 20892-8815, USA
    Mol Pharmacol 65:665-74. 2004
    ..These results suggest a mechanism by which endocannibinoids might influence presynaptic function...
  14. ncbi Neurotransmitter modulation of neuronal calcium channels
    Keith S Elmslie
    Department of Physiology, Tulane University Health Science Center, New Orleans, Louisiana 70112, USA
    J Bioenerg Biomembr 35:477-89. 2003
    ....
  15. ncbi Phospholipid metabolism is required for M1 muscarinic inhibition of N-type calcium current in sympathetic neurons
    Liwang Liu
    Department of Physiology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester, MA 01655, USA
    Eur Biophys J 33:255-64. 2004
    ..In contrast to AA, applying LPA did not inhibit whole cell currents. Taken together, these findings suggest that the slow pathway requires M1Rs, Gqalpha, PLC, PIP2, PLA2, and AA for N-current inhibition...
  16. ncbi G-protein inhibition of N- and P/Q-type calcium channels: distinctive elementary mechanisms and their functional impact
    H M Colecraft
    Program in Molecular and Cellular Systems Physiology, Departments of Biomedical Engineering and Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
    J Neurosci 21:1137-47. 2001
    ..Variable expression of N- and P/Q-type channels at spatially distinct synapses therefore offers the potential for custom regulation of both synaptic efficacy and synchrony, by G-protein inhibition...
  17. ncbi Differential modulation of N-type 1B and P/Q-type 1A calcium channels by different G protein subunit isoforms
    M I Arnot
    Neuroscience and Smooth Muscle Research Groups, Department of Pharmacology and Therapeutics, University of Calgary, Calgary, Canada
    J Physiol 527:203-12. 2000
    ..The differential modulation of P/Q- and N-type channels by various Gbeta subtypes may provide a mechanism for fine tuning the amount of calcium entering the presynaptic nerve termini...
  18. ncbi L- and N-current but not M-current inhibition by M1 muscarinic receptors requires DAG lipase activity
    Liwang Liu
    Department of Physiology, University of Massachusetts Medical School, Worcester, Massachusetts 01655, USA
    J Cell Physiol 216:91-100. 2008
    ..These results extend our previous findings that the signaling pathway mediating L- and N-current inhibition diverges from the pathway initiating M-current inhibition...
  19. ncbi Reduced voltage sensitivity of activation of P/Q-type Ca2+ channels is associated with the ataxic mouse mutation rolling Nagoya (tg(rol))
    Y Mori
    Department of Information Physiology, National Institute for Physiological Sciences, The Graduate University for Advanced Studies, Okazaki, Aichi, Japan
    J Neurosci 20:5654-62. 2000
    ....
  20. ncbi Alternative splicing in the voltage-sensing region of N-Type CaV2.2 channels modulates channel kinetics
    Yingxin Lin
    Deprtment of Neuroscience, Brown University, 192 Thayer St, Providence, RI 02912, USA
    J Neurophysiol 92:2820-30. 2004
    ..Our results suggest that alternative splicing in the S3-S4 linker influences the kinetics but not the voltage dependence of N-type channel gating...
  21. ncbi Functional roles of gamma2, gamma3 and gamma4, three new Ca2+ channel subunits, in P/Q-type Ca2+ channel expressed in Xenopus oocytes
    M Rousset
    CRBM, CNRS UPR 1086, UFR 24, 1919 Route de Mende, 34293 Montpellier Cedex 05, France
    J Physiol 532:583-93. 2001
    ..Our data support a role for the [gamma] subunit as a brain Ca2+ channel modulatory subunit and suggest that [beta] and [gamma] subunits are involved in a switch between two regulatory modes of the P/Q-type channel inactivation...
  22. ncbi Suppression of inflammatory and neuropathic pain symptoms in mice lacking the N-type Ca2+ channel
    H Saegusa
    Department of Pharmacology and Neurobiology, Graduate School of Medicine, Tokyo Medical and Dental University and CREST, Japan Science and Technology Corporation, 1 5 45 Yushima, Bunkyo ku, Tokyo 113 8519, Japan
    EMBO J 20:2349-56. 2001
    ..This finding clearly demonstrates that the N-type VDCC is essential for development of neuropathic pain and, therefore, controlling the activity of this channel can be of great importance for the management of neuropathic pain...
  23. ncbi Familial hemiplegic migraine mutations increase Ca(2+) influx through single human CaV2.1 channels and decrease maximal CaV2.1 current density in neurons
    Angelita Tottene
    Department of Biomedical Sciences, University of Padova, 35121 Padova, Italy
    Proc Natl Acad Sci U S A 99:13284-9. 2002
    ..1 current density in neurons. We discuss the relevance of these findings for the pathogenesis of migraine with aura...
  24. ncbi Elementary mechanisms producing facilitation of Cav2.1 (P/Q-type) channels
    Dipayan Chaudhuri
    Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
    J Gen Physiol 129:385-401. 2007
    ..This enhanced-opening mechanism suggests that the CDF evoked during action-potential trains would produce not only larger, but longer-lasting Ca(2+) responses, an outcome with potential ramifications for short-term synaptic plasticity...
  25. ncbi Direct interaction and functional coupling between metabotropic glutamate receptor subtype 1 and voltage-sensitive Cav2.1 Ca2+ channel
    Jun Kitano
    Department of Biological Sciences, Faculty of Medicine, Kyoto University, Japan
    J Biol Chem 278:25101-8. 2003
    ..1 were observed at dendrites but not soma of cultured Purkinje neurons. These data suggest that the assembly of mGluR1 and Cav2.1 provides the mechanism that ensures spatiotemporal regulation of [Ca2+]i in glutamatergic neurotransmission...
  26. ncbi Pharmacological discrimination between muscarinic receptor signal transduction cascades with bethanechol chloride
    Liwang Liu
    Program in Neuroscience, Program in Cellular and Molecular Physiology, Department of Physiology, University of Massachusetts Medical Center, 55 Lake Ave. North, Worcester, MA 01655, U.S.A
    Br J Pharmacol 138:1259-70. 2003
    ..5. These results indicate that BeCh may be an effective tool for selectively activating M(2) receptor stimulation of the membrane-delimited pathway...
  27. ncbi The interaction between the I-II loop and the III-IV loop of Cav2.1 contributes to voltage-dependent inactivation in a beta -dependent manner
    Sandrine Geib
    , Laboratoire de Neurobiologie des Canaux Ioniques, , Boulevard Pierre Dramard, 13916 Marseille Cedex 20, France
    J Biol Chem 277:10003-13. 2002
    ..These data provide novel insights into the mechanisms whereby the beta subunit, the I-II loop, and the III-IV loop altogether can contribute to regulate inactivation in high voltage-activated calcium channels...
  28. ncbi The calcium channel ligand FPL 64176 enhances L-type but inhibits N-type neuronal calcium currents
    Liwang Liu
    Program in Neuroscience, University of Massachusetts Medical Center, 55 Lake Ave North, Worcester, MA 01655, USA
    Neuropharmacology 45:281-92. 2003
    ....
  29. ncbi Novel Cav2.1 splice variants isolated from Purkinje cells do not generate P-type Ca2+ current
    Taiji Tsunemi
    Department of Pharmacology and Neurobiology, Graduate School of Medicine, Tokyo Medical and Dental University, 1 5 45 Yushima, Bunkyo ku, Tokyo 113 8519, Japan
    J Biol Chem 277:7214-21. 2002
    ..These results suggest that P-type-specific splice variants may exist but that post-translational processing or modification by uncharacterized interacting proteins is also required for generating the P-type current...
  30. ncbi Functional consequences of P/Q-type Ca2+ channel Cav2.1 missense mutations associated with episodic ataxia type 2 and progressive ataxia
    Edwin Wappl
    Institut fur Biochemische Pharmakologie, Abteilung Pharmakologie und Toxikologie, Institut fur Pharmazie, Universitat Innsbruck, Peter Mayrstrasse 1, A 6020 Innsbruck, Austria
    J Biol Chem 277:6960-6. 2002
    ..In contrast to other EA-2 mutations, AY1593/1594D and G293R form at least partially functional channels...
  31. ncbi Spinocerebellar ataxia type 6: channelopathy or glutamine repeat disorder?
    M Frontali
    Istituto di Neurobiologia e Medicina Molecolare, Consiglio Nazionale delle Ricerche, Rome, Italy
    Brain Res Bull 56:227-31. 2001
    ..In conclusion, available data seem to suggest that SCA6 is more likely belonging to channelopathies than to polyglutamine disorders...
  32. ncbi Dominant-negative synthesis suppression of voltage-gated calcium channel Cav2.2 induced by truncated constructs
    A Raghib
    Department of Pharmacology, University College London, London WC1E6BT, United Kingdom
    J Neurosci 21:8495-504. 2001
    ..Our results indicate that the mechanism of suppression of Ca(v)2.2 by truncated constructs containing domain I involves inhibition of channel synthesis, which may represent a role of endogenously expressed truncated Ca(v) isoforms...
  33. ncbi Preassociation of calmodulin with voltage-gated Ca(2+) channels revealed by FRET in single living cells
    M G Erickson
    Department of Biomedical Engineering, Calcium Signals Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
    Neuron 31:973-85. 2001
    ..These results now definitively demonstrate channel-CaM preassociation in resting cells and underscore the potential of three-cube FRET for probing protein-protein interactions...
  34. ncbi Unified mechanisms of Ca2+ regulation across the Ca2+ channel family
    Haoya Liang
    Ca2+ Signals Laboratory, Departments of Biomedical Engineering and Neuroscience, The Johns Hopkins University School of Medicine, 720 Rutland Avenue, Baltimore, MD 21205, USA
    Neuron 39:951-60. 2003
    ....
  35. ncbi Several structural domains contribute to the regulation of N-type calcium channel inactivation by the beta 3 subunit
    Stephanie C Stotz
    Department of Physiology and Biophysics Cellular and Molecular Neurobiology Research Group, University of Calgary, Calgary, Alberta T2N 4N1, Canada
    J Biol Chem 279:3793-800. 2004
    ..2 did not alter the regulation of the channel by wild type and chimeric beta subunits. Hence, the molecular underpinnings of beta subunit regulation of voltage-gated calcium channels appear to vary with calcium channel subtype...
  36. ncbi Presynaptic Ca2+ channels and neurotransmitter release at the terminal of a mouse cortical neuron
    J Qian
    Department of Neurology, Baylor College of Medicine, Houston, Texas 77030, USA
    J Neurosci 21:3721-8. 2001
    ....
  37. ncbi Properties of human Cav2.1 channel with a spinocerebellar ataxia type 6 mutation expressed in Purkinje cells
    Hironao Saegusa
    Department of Pharmacology and Neurobiology, Graduate School of Medicine, Tokyo Medical and Dental University, 1 5 45 Yushima, Tokyo 113 8519, Japan
    Mol Cell Neurosci 34:261-70. 2007
    ..Therefore, our results do not support the notion that the alteration of the channel properties may underlie the pathogenic mechanism of SCA6...
  38. ncbi A destructive interaction mechanism accounts for dominant-negative effects of misfolded mutants of voltage-gated calcium channels
    Alexandre Mezghrani
    Centre National de la Recherche Scientifique, Unite Mixte de Recherche 5203, Institut de Genomique Fonctionnelle, Institut National de la Sante et de la Recherche Medicale, 34094 Montpellier, France
    J Neurosci 28:4501-11. 2008
    ..We conclude that this destructive interaction mechanism promoted by Ca(v) mutants is likely to occur in EA2 and in other inherited dominant channelopathies...
  39. ncbi Orientation of the calcium channel beta relative to the alpha(1)2.2 subunit is critical for its regulation of channel activity
    Iuliia Vitko
    Department of Pharmacology and Neuroscience Graduate Program, University of Virginia, Charlottesville, Virginia, USA
    PLoS ONE 3:e3560. 2008
    ..One hypothesis is that betas regulate channel gating by modulating movements of IS6. A key requirement for this direct-coupling model is that the linker connecting IS6 to the alpha-interaction domain (AID) be a rigid structure...
  40. ncbi Spinocerebellar ataxia type 6 knockin mice develop a progressive neuronal dysfunction with age-dependent accumulation of mutant CaV2.1 channels
    Kei Watase
    Twenty First Century Center of Excellence Program on Brain Integration and Its Disorders, Tokyo Medical and Dental University, 1 5 45 Yushima, Bunkyo ku, Tokyo 113 8519, Japan
    Proc Natl Acad Sci U S A 105:11987-92. 2008
    ..The pathogenesis of SCA6 is apparently linked to an age-dependent process accompanied by accumulation of mutant Ca(V)2.1 channels...
  41. ncbi Cell-type-specific alternative splicing in spinocerebellar ataxia type 6
    Taiji Tsunemi
    Department of Neurology and Neurological Science, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan
    Neurosci Lett 447:78-81. 2008
    ..Our results suggest that toxic isoform mRNA is increased in a Purkinje cell-specific manner, which may result in SCA6-associated selective neurodegeneration...
  42. ncbi Specific kinetic alterations of human CaV2.1 calcium channels produced by mutation S218L causing familial hemiplegic migraine and delayed cerebral edema and coma after minor head trauma
    Angelita Tottene
    Department of Biomedical Sciences, University of Padova, CNR Institute of Neuroscience, Viale G Colombo 3, 35121 Padova, Italy
    J Biol Chem 280:17678-86. 2005
    ....
  43. ncbi The expression of voltage-dependent calcium channel beta subunits in human hippocampus
    N C Day
    MRC Neurochemical Pathology Unit, University of Newcastle upon Tyne, Newcastle General Hospital, Westgate Road, Newcastle upon Tyne NE4 6BE, UK
    Brain Res Mol Brain Res 60:259-69. 1998
    ....
  44. ncbi Whole-cell and single-channel analysis of P-type calcium currents in cerebellar Purkinje cells of leaner mutant mice
    L S Dove
    Department of Medical Pharmacology and Toxicology, College of Medicine, Texas A and M University Health Science Center, College Station, Texas 77843 1114, USA
    J Neurosci 18:7687-99. 1998
    ..These results suggest that the tgla mutation can alter native P-type calcium channels at the single-channel level and that these alterations may contribute to the neuropathology of the leaner phenotype...
  45. ncbi Alternative splicing of a beta4 subunit proline-rich motif regulates voltage-dependent gating and toxin block of Cav2.1 Ca2+ channels
    Thomas D Helton
    Department of Molecular Biomedical Sciences, North Carolina State University, Raleigh, North Carolina 27606, USA
    J Neurosci 22:9331-9. 2002
    ..These results raise interesting questions about the functional role that alternative splicing of the beta4 subunit has played in the evolution of complex neural networks...
  46. ncbi Increased glucose tolerance in N-type Ca2+ channel alpha(1B)-subunit gene-deficient mice
    Eiki Takahashi
    Tsukuba Research Laboratory, Eisai Co Ltd, Tsukuba, Ibaraki 300 2635, Japan
    Int J Mol Med 15:937-44. 2005
    ..Thus, N-type Ca2+ channel blockers might be candidate anti-diabetic/anti-obesity agents...
  47. ncbi Functional architecture of the inner pore of a voltage-gated Ca2+ channel
    Xiao-guang Zhen
    Department of Biological Sciences, Columbia University, New York, NY 10027, USA
    J Gen Physiol 126:193-204. 2005
    ..This work provides an impetus for future studies on ion permeation, gating, and drug binding of VGCCs...
  48. ncbi Modal gating of human CaV2.1 (P/Q-type) calcium channels: II. the b mode and reversible uncoupling of inactivation
    Tommaso Fellin
    Dept of Biomedical Sciences, University of Padova, Viale G Colombo, 3 35121 Padova, Italy
    J Gen Physiol 124:463-74. 2004
    ..1 channels could be a potent and versatile mechanism for the modulation of synaptic strength and plasticity as well as of neuronal excitability and other postsynaptic Ca2+-dependent processes...
  49. ncbi Arachidonic acid mediates muscarinic inhibition and enhancement of N-type Ca2+ current in sympathetic neurons
    Liwang Liu
    Program in Neuroscience, Department of Physiology, University of Massachusetts Medical School, 55 Lake Avenue North, Worcester 01655, USA
    Proc Natl Acad Sci U S A 100:295-300. 2003
    ..Our finding that AA participates in the slow pathway strongly suggests that it may be the previously unknown diffusible second messenger...
  50. ncbi Effects of glucocorticoid receptor antagonists on allodynia and hyperalgesia in mouse model of neuropathic pain
    Ichiro Takasaki
    Department of Pharmacology and Neurobiology, Graduate School of Medicine, Tokyo Medical and Dental University, Bunkyo-ku, Japan
    Eur J Pharmacol 524:80-3. 2005
    ..These results suggest that spinal glucocorticoid receptors play an important role in neuropathic pain, and that controlling the activity of glucocorticoid receptors may be of great importance in the treatment of neuropathic pain...
  51. ncbi Effects of intrathecal administration of ziconotide, a selective neuronal N-type calcium channel blocker, on mechanical allodynia and heat hyperalgesia in a rat model of postoperative pain
    Y X Wang
    Department of Pharmacology, Elan Pharmaceuticals, 3760 Haven Avenue, Menlo Park, CA 94025, USA
    Pain 84:151-8. 2000
    ..The results of this study show that intrathecal ziconotide is antinociceptive in a rat incisional model of post-operative pain and is more potent, longer acting, and more specific in its actions than intrathecal morphine...
  52. ncbi G protein-gated inhibitory module of N-type (ca(v)2.2) ca2+ channels
    Heather L Agler
    Department of Biomedical Engineering and Ca2 Signals Laboratory, Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA
    Neuron 46:891-904. 2005
    ..Thus, an NT module, acting via interactions with the I-II loop, appears fundamental to such modulation...
  53. ncbi Localization of the activation gate of a voltage-gated Ca2+ channel
    Cheng Xie
    Department of Biological Sciences, Columbia University, New York, NY 10027, USA
    J Gen Physiol 126:205-12. 2005
    ..Our results suggest that the S6 helices of the alpha1 subunit of VGCCs undergo conformation changes during gating and the activation gate is located at the intracellular end of the pore...
  54. ncbi Origin of the voltage dependence of G-protein regulation of P/Q-type Ca2+ channels
    Yun Zhang
    Department of Biological Sciences, Columbia University, New York, New York 10027, USA
    J Neurosci 28:14176-88. 2008
    ....
  55. ncbi Modal gating of human CaV2.1 (P/Q-type) calcium channels: I. The slow and the fast gating modes and their modulation by beta subunits
    Siro Luvisetto
    Dept of Biomedical Sciences, University of Padova, Viale G Colombo 3, 35121 Padova, Italy
    J Gen Physiol 124:445-61. 2004
    ....
  56. ncbi Effects of ablation of N- and R-type Ca(2+) channels on pain transmission
    Hironao Saegusa
    Department of Pharmacology and Neurobiology, Graduate School of Medicine, Tokyo Medical and Dental University, and CREST, Japan Science and Technology Corporation, Tokyo, Japan
    Neurosci Res 43:1-7. 2002
    ..3-/- mice, was also observed in the Ca(v)2.2-/- mice. Therefore, it is suggested that these mutant mice could provide novel models to delineate the nociceptive and antinociceptive mechanisms...
  57. ncbi The novel product of a five-exon stargazin-related gene abolishes Ca(V)2.2 calcium channel expression
    Fraser J Moss
    Department of Pharmacology, University College London, Gower Street, London WC1E 6BT, UK
    EMBO J 21:1514-23. 2002
    ....
  58. ncbi The Ca2+ channel beta subunit determines whether stimulation of Gq-coupled receptors enhances or inhibits N current
    John F Heneghan
    Department of Physiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    J Gen Physiol 134:369-84. 2009
    ..Moreover, these findings predict that at synapses, modulation of N-channel activity by M(1)Rs or NK-1Rs will fluctuate between enhancement and inhibition based on the presence of palmitoylated Ca(V)beta2a...
  59. ncbi Decoding of synaptic voltage waveforms by specific classes of recombinant high-threshold Ca(2+) channels
    Zhi Liu
    Kinsmen Laboratory and Brain Research Centre, University of British Columbia, Vancouver, BC, Canada
    J Physiol 553:473-88. 2003
    ..We propose that in response to complex synaptic voltage waveforms P/Q- and N-type channels can undergo selective voltage-dependent inactivation leading to a Ca(2+) current mediated predominantly by L-type channels...
  60. ncbi Mutations in high-voltage-activated calcium channel genes stimulate low-voltage-activated currents in mouse thalamic relay neurons
    Yi Zhang
    Developmental Neurogenetics Laboratory, Department of Neurology, Baylor College of Medicine, Houston, Texas 77030, USA
    J Neurosci 22:6362-71. 2002
    ..These alterations increase the probability for abnormal thalamocortical synchronization and absence epilepsy in tg, lh, and stg mice...
  61. ncbi Orientation of palmitoylated CaVbeta2a relative to CaV2.2 is critical for slow pathway modulation of N-type Ca2+ current by tachykinin receptor activation
    Tora Mitra-Ganguli
    Department of Physiology, University of Massachusetts Medical School, Worcester, MA 01655, USA
    J Gen Physiol 134:385-96. 2009
    ..These findings support our previous hypothesis that Ca(V)beta2a's palmitoyl groups directly interact with an inhibitory site on Ca(V)2.2 to block N-current inhibition by SP...
  62. ncbi Calcium channel beta subunit promotes voltage-dependent modulation of alpha 1 B by G beta gamma
    A Meir
    Department of Pharmacology, University College London, London WC1E 6BT, United Kingdom
    Biophys J 79:731-46. 2000
    ..These results suggest that the VDCC beta subunit must be present for G beta gamma to induce voltage-dependent modulation of N-type calcium channels...
  63. ncbi Binding of G alpha(o) N terminus is responsible for the voltage-resistant inhibition of alpha(1A) (P/Q-type, Ca(v)2.1) Ca(2+) channels
    M Kinoshita
    Department of Neuropharmacology, Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo ku, Kyoto 606 8501, Japan
    J Biol Chem 276:28731-8. 2001
    ..These findings demonstrate that the voltage-resistant inhibition of the P/Q-type, alpha(1A) channel is caused by the interaction between the C-terminal domain of Ca(2+) channel alpha(1A) subunit and the N-terminal region of G alpha(o)...
  64. ncbi Single tottering mutations responsible for the neuropathic phenotype of the P-type calcium channel
    M Wakamori
    Department of Information Physiology, National Institute for Physiological Sciences, Okazaki, Aichi 444 8585, Japan
    J Biol Chem 273:34857-67. 1998
    ....
  65. ncbi High-voltage-activated calcium channels in Muller cells acutely isolated from tiger salamander retina
    Nicole C Welch
    Department of Pharmacology, Dalhousie University, Halifax, Nova Scotia, Canada
    Glia 49:259-74. 2005
    ..Overall, these observations suggest either the presence of a mix of L- and N-type Ca channels or a single, unconventional HVA Ca channel subtype sharing L- and N-type Ca channel characteristics...
  66. ncbi Voltage-gated calcium channels in developing GnRH-1 neuronal system in the mouse
    Yoko Toba
    Cellular and Developmental Neurobiology Section, NINDS, NIH, Bethesda, MD 20892, USA
    Eur J Neurosci 22:79-92. 2005
    ..These results indicate that extracellular calcium is required for initiating GnRH-1 neuronal migration and that these events are partially dependent on N-type VGCC signals...
  67. ncbi Gamma-aminobutyric acid type B receptors facilitate L-type and attenuate N-type Ca(2+) currents in isolated hippocampal neurons
    Thomas J Carter
    Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin 53201-1881, USA
    J Neurosci Res 76:323-33. 2004
    ..The two opposing effects of GABA(B) receptor activation may reflect the heterogeneity of the cultured cells or may be a developmentally regulated phenomenon...
  68. ncbi Mechanisms of sodium azide-induced changes in intracellular calcium concentration in rat primary cortical neurons
    Silvia Marino
    Department of Clinical and Experimental Medicine, Section of Pharmacology, University of Ferrara, Via Fossato di Mortara 17 19, 44100 Ferrara, Italy
    Neurotoxicology 28:622-9. 2007
    ..These findings show that the predominant source of calcium increase induced by NaN(3) is extracellular, involving glutamate receptor activation in a first step and calcium channel (mainly of the N-type) opening in a second step...
  69. ncbi [Dosage and specificity of anti-calcium channel antibodies in Lambert-Eaton myasthenic syndrome]
    N Martin-Moutot
    UMR 641 INSERM Université de la Méditerranée, IFR Jean Roche, Faculte de Medecine Secteur Nord, Marseille, France
    Rev Neurol (Paris) 160:S28-34. 2004
    ..Only 5 patients were seronegative in both tests, thus a combination of the two assays reliably detected autoantibodies in 26/31 (84%) patients...
  70. ncbi Therapeutically relevant concentrations of neomycin selectively inhibit P-type Ca2+ channels in rat striatum
    Dobromir Dobrev
    Department of Pharmacology and Toxicology, Carl Gustav Carus Medical School, Dresden University of Technology, Fetscher Str 74, D 01307 Dresden, Germany
    Eur J Pharmacol 461:105-11. 2003
    ..In conclusion, therapeutically relevant concentrations of neomycin preferentially block P-type Ca(2+) channels which regulate dopamine release in rat striatum. This block could be responsible for aminoglycoside-induced toxicity...
  71. ncbi Atrial natriuretic factor (ANF) effects on L-, N-, and P/Q-type voltage-operated calcium channels
    Martín Rodriguez Fermepín
    Cátedras de Fisiopatología and Fisiología, Facultad de Farmacia y Bioquimica, Universidad de Buenos Aires, Buenos Aires, Argentina
    Cell Mol Neurobiol 22:771-81. 2002
    ..Thus, ANF modulates neuronal NE release through different mechanisms involving presynaptic calcium channel inhibition...
  72. ncbi Functional compensation by other voltage-gated Ca2+ channels in mouse basal forebrain neurons with Ca(V)2.1 mutations
    Jason A Etheredge
    Department of Medical Pharmacology and Toxicology, College of Medicine, Reynolds Medical Science Building, Texas A and M University System Health Science Center, 1114 TAMU, College Station, TX 77843 1114, USA
    Brain Res 1140:105-19. 2007
    ....
  73. ncbi Modulation of ACh release by presynaptic muscarinic autoreceptors in the neuromuscular junction of the newborn and adult rat
    Manel M Santafe
    Unitat d Histologia i Neurobiologia UHN Facultat de Medicina i Ciències de la Salut, Universitat Rovira i Virgili, carrer St Llorenç num 21, 43201 Reus, Spain
    Eur J Neurosci 17:119-27. 2003
    ..We show that the way in which M1 and M2 muscarinic receptors modulate neurotransmission can differ between the developing and adult rat neuromuscular synapse...
  74. ncbi BDNF up-regulates evoked GABAergic transmission in developing hippocampus by potentiating presynaptic N- and P/Q-type Ca2+ channels signalling
    P Baldelli
    INFM Research Unit, University of Turin, I-10125 Turin, Italy
    Eur J Neurosci 16:2297-310. 2002
    ....
  75. ncbi Inhibitory effect of pranidipine on N-type voltage-dependent Ca2+ channels in mice
    Manabu Murakami
    Department of Pharmacology, Akita University School of Medicine, 1 1 1 Hondoh, Akita 010 8543, Japan
    Neurosci Lett 367:118-22. 2004
    ....
  76. ncbi Low-threshold L-type calcium channels in rat dopamine neurons
    P Durante
    Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, Memphis, Tennessee 38163, USA
    J Neurophysiol 91:1450-4. 2004
    ....
  77. ncbi Effects of 50 Hz electromagnetic fields on voltage-gated Ca2+ channels and their role in modulation of neuroendocrine cell proliferation and death
    Claudio Grassi
    Institute of Human Physiology, Medical School, Catholic University S Cuore, Largo F Vito 1, 00168 Rome, Italy
    Cell Calcium 35:307-15. 2004
    ..The consequent increase in Ca(2+) influx is likely responsible for the EF-induced modulation of neuronal cell proliferation and apoptosis...
  78. ncbi Neurotensin stimulates both calcium mobilization from inositol trisphosphate-sensitive intracellular stores and calcium influx through membrane channels in frog pituitary melanotrophs
    Amor Belmeguenai
    European Institute for Peptide Research (IFRMP 23, Laboratory of Cellular and Molecular Neuroendocrinology, , , University of Rouen, 76821 Mont-Saint-Aignan, France
    Endocrinology 144:5556-67. 2003
    ..In addition, the present data indicate that PKC plays a crucial role in maintenance of the responsiveness of melanotrophs to NT...
  79. ncbi Intracellular calcium increase in epileptiform activity: modulation by levetiracetam and lamotrigine
    Antonio Pisani
    Clinica Neurologica, Dipartimento di Neuroscienze, Universita di Roma Tor Vergata, Rome, Italy
    Epilepsia 45:719-28. 2004
    ..Levetiracetam (LEV) and lamotrigine (LTG), novel antiepileptic drugs (AEDs), were tested on epileptiform events and the corresponding elevations in intracellular Ca2+ concentration ([Ca2+]i) recorded from rat neocortical slices...
  80. ncbi Extracellular domains of alpha-neurexins participate in regulating synaptic transmission by selectively affecting N- and P/Q-type Ca2+ channels
    Weiqi Zhang
    Center for Physiology and Pathophysiology, Georg August University, D 37073 Gottingen, Germany
    J Neurosci 25:4330-42. 2005
    ....
  81. ncbi A protein phosphatase 2calpha-Ca2+ channel complex for dephosphorylation of neuronal Ca2+ channels phosphorylated by protein kinase C
    Dongjun Li
    Department of Physiology, Jefferson Medical College, Philadelphia, Pennsylvania 19107, USA
    J Neurosci 25:1914-23. 2005
    ..Thus, the PP2calpha-Ca2+ channel complex is responsible for rapid dephosphorylation of Ca2+ channels and may contribute to regulation of synaptic transmission in neurons...
  82. ncbi Interleukin-1beta regulation of N-type Ca2+ channels in cortical neurons
    Chen Zhou
    State Key Laboratory of Biomembrane and Membrane Biotechnology, College of Life Sciences, Peking University, Beijing 100871, China
    Neurosci Lett 403:181-5. 2006
    ..Our finding, IL-1beta inhibits the activity of NCC via suppressing NCC protein expression provides new insight into the neuroprotective role of IL-1beta in CNS...
  83. ncbi Spontaneous muscle action potentials are blocked by N-type and P/Q-calcium channels blockers in the rat spinal cord-muscle co-culture system
    Kyoji Taguchi
    Department of Neuroscience, Showa Pharmaceutical University, 3 3165 Higashitamagawagakuen, Machida, Tokyo 194 8543, Japan
    Brain Res 1034:62-70. 2005
    ..These results indicate that blockers of N- and P/Q-type voltage-dependent calcium channels inhibit transmitter release at neuromuscular junctions in the rat spinal cord-muscle co-culture system...
  84. ncbi Presynaptic Cav2.1 and Cav2.2 differentially influence release dynamics at hippocampal excitatory synapses
    Anita Scheuber
    Institut National de la Sante et de la Recherche Medicale, Equipe Mixte 224 Cortex et Epilepsie, Centre Hospitalier Universitaire Pitie Salpetriere, 75013 Paris, France
    J Neurosci 24:10402-9. 2004
    ..2 by G(o/i), thereby increasing the number of available channels...
  85. ncbi Effects of N-, P/Q- and L-type calcium channel blockers on nociceptive neurones of the trigeminal nucleus with input from the dura
    A Ebersberger
    Department of Physiology, University of Jena, Jena, Germany
    Cephalalgia 24:250-61. 2004
    ..The risk of migraine by genetic modifications of P/Q-type channels may thus be sought in disturbed inhibition in the network that processes nociceptive dura input...
  86. ncbi Calcium channels involved in noradrenaline release from sympathetic neurones in rabbit carotid artery
    Torben R Uhrenholt
    Department of Physiology and Pharmacology, University of Southern Denmark, Odense, Denmark
    Pharmacol Toxicol 92:226-33. 2003
    ....
  87. ncbi Calcium influx via L- and N-type calcium channels activates a transient large-conductance Ca2+-activated K+ current in mouse neocortical pyramidal neurons
    Xiaolu Sun
    Department of Pediatrics (Section of Respiratory Medicine, Yale University School of Medicine, New Haven, Connecticut 06520, USA
    J Neurosci 23:3639-48. 2003
    ....
  88. ncbi Omega-conotoxin CVIB differentially inhibits native and recombinant N- and P/Q-type calcium channels
    Leonid Motin
    School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia
    Eur J Neurosci 25:435-44. 2007
    ..Omega-conotoxins CVIB and CVID may be useful as antagonists of N- and P/Q-type VGCCs, particularly in sensory neurons involved in processing primary nociceptive information...
  89. ncbi Protein kinase C is involved in neurokinin receptor modulation of N- and L-type Ca2+ channels in DRG neurons of the adult rat
    Adrian Sculptoreanu
    Department of Pharmacology, University of Pittsburgh, School of Medicine, Pittsburgh, Pennsylvania 15261, USA
    J Neurophysiol 90:21-31. 2003
    ....
  90. ncbi Neurotransmitter modulation of small-conductance Ca2+-activated K+ channels by regulation of Ca2+ gating
    Francois Maingret
    Centre de Recherche en Neurobiologie et Neurophysiologie de Marseille CRN2M, CNRS UMR 6231, Universite de la Mediterranee, Boulevard Pierre Dramard, 13916, Marseille Cedex 20, France
    Neuron 59:439-49. 2008
    ..Hence, neurotransmitter-initiated signaling cascades can dynamically regulate Ca2+ sensitivity of SK channels and directly influence somatic excitability...
  91. ncbi E(f)-current contributes to whole-cell calcium current in low calcium in frog sympathetic neurons
    H Liang
    Department of Physiology, Tulane University Health Science Center, 1430 Tulane Avenue, New Orleans, LA 70112, USA
    J Neurophysiol 86:1156-63. 2001
    ..The presence of E(f)-current in 3 mM Ca(2+) suggests a potential role for E(f)-channels in regulating calcium influx into sympathetic neurons...
  92. ncbi Somatostatin inhibits exocytosis in rat pancreatic alpha-cells by G(i2)-dependent activation of calcineurin and depriming of secretory granules
    J Gromada
    Laboratory of Islet Cell Physiology, Novo Nordisk A/S, , DK-2880 Bagsvaerd, Denmark
    J Physiol 535:519-32. 2001
    ..We propose that somatostatin receptors associate with L-type Ca(2+) channels and couple to G(i2) proteins leading to a localised activation of calcineurin and depriming of secretory granules situated close to the L-type Ca(2+) channels...
  93. ncbi Ca2+ channels in clonal rat anterior pituitary cells (GH3/B6)
    G Glassmeier
    , , , Germany
    Pflugers Arch 442:577-87. 2001
    ..Blockage of L-type channels with 10 microM nifedipine or P/Q-type channels with 10 nM omega-agatoxin MVIIC + 200 nM omega-conotoxin blocked action potential firing in GH3/B6 cells and decreased basal prolactin secretion...
  94. ncbi Pharmacological and biophysical characterization of voltage-gated calcium currents in the endopiriform nucleus of the guinea pig
    S Brevi
    Department of Experimental Neurophysiology, Istituto Nazionale Neurologico C. Besta, 20133 Milan, Italy
    J Neurophysiol 85:2076-87. 2001
    ....
  95. ncbi Calcium-dependent inhibition of L, N, and P/Q Ca2+ channels in chromaffin cells: role of mitochondria
    J M Hernandez-Guijo
    , , Facultad de Medicina, , 28029 Madrid, Spain
    J Neurosci 21:2553-60. 2001
    ..Thus, it is plausible that mitochondria might efficiently regulate the activity of L, N, and P/Q Ca(2+) channels under physiological stimulation conditions of the cell...
  96. ncbi Residue Gly1326 of the N-type calcium channel alpha 1B subunit controls reversibility of omega-conotoxin GVIA and MVIIA block
    Z P Feng
    Departments of Physiology and Biophysics and Pharmacology and Therapeutics, Neuroscience Research Group, University of Calgary, Calgary, Alberta T2N 4N1, Canada
    J Biol Chem 276:15728-35. 2001
    ....
  97. ncbi Voltage-dependent calcium channels in the rat retina: involvement in NMDA-stimulated influx of calcium
    J Melena
    Nuffield Laboratory of Ophthalmology, University of Oxford, Walton Street, Oxford, OX2 6AW, UK
    Exp Eye Res 72:393-401. 2001
    ..The ability of L-type Ca2+ channel blockers to attenuate NMDA-stimulated Ca2+ influx may underlie their neuroprotective effects in the retina...
  98. ncbi Role of Thr(11) in the binding of omega-conotoxin MVIIC to N-type Ca2+ channels
    K Minami
    Mitsubishi Kasei Institute of Life Sciences, 11 Minamiooya, Machida, Tokyo 194-8511, Japan
    FEBS Lett 491:127-30. 2001
    ..Inhibition of Ba2+ current by the analogs did not completely correlate with binding affinity, although binding to BHK cells was comparable to rat cerebellar membranes...
  99. ncbi PMA counteracts G protein actions on CaV2.2 channels in rat sympathetic neurons
    Alfonso F Díaz-Cárdenas
    Departamento de Fisiologia, Facultad de Medicina, Universidad Nacional Autonoma de Mexico, Av Universidad 3000, Ciudad Universitaria, Delegación Coyoacán C P 04510, Apdo Postal 70250, Mexico, DF, Mexico
    Arch Biochem Biophys 473:1-7. 2008
    ..Furthermore, counteracting modulation of ion channels and reversibility within a short time frame are better support for a dynamic system with short-term adaptive responses...
  100. ncbi Differential contribution of L-, N-, and P/Q-type calcium channels to [Ca2+]i changes evoked by kainate in hippocampal neurons
    Ana R Santiago
    Center for Neuroscience and Cell Biology, Department of Zoology, University of Coimbra, Coimbra, 3004 517, Portugal
    Neurochem Res 33:1501-8. 2008
    ..The results indicate that hippocampal neurons differ in what concerns their L-, N- and P/Q-type Ca(2+) channels activated by stimulation of the AMPA/kainate receptors...
  101. ncbi D1 receptors physically interact with N-type calcium channels to regulate channel distribution and dendritic calcium entry
    Alexandra E Kisilevsky
    Department of Physiology and Biophysics, Hotchkiss Brain Institute, University of Calgary, 3330 Hospital Drive Northwest, Calgary, Canada
    Neuron 58:557-70. 2008
    ..Our data indicate that the N-type calcium channel is an important physiological target of D1 receptors and reveal a mechanism for D1 receptor-mediated regulation of cognitive function in the PFC...

Research Grants79

  1. PRESYNAPTIC RECEPTORS ON EMBRYONIC SENSORY NEURONS
    Kathleen Dunlap; Fiscal Year: 2007
    ..g., allodynia and hypersensitivity- identifying mechanisms that control Ca2+ influx in sensory neurons may allow development of new therapeutic strategies to treat chronic pain. ..
  2. Nitrergic Neuro-smooth Muscle Transmission in the Gut
    Raj K Goyal; Fiscal Year: 2010
    ..This proposal is to understand how these disorders are caused and how better treatments for these disorders can be developed. ..
  3. Farnesol Analogues as Novel Treatment of Alcoholism
    Jean Baptiste Roullet; Fiscal Year: 2005
    ..Potential commercialization: This research will provide the foundation for Phase II evaluation of the most active farnesol analogue in the treatment of alcohol withdrawal syndrome in alcoholic patients. ..
  4. ELECTROPHYSIOLOGICAL ASSESSMENT OF CANNABINOID RECEPTORS
    SAMUEL DEADWYLER; Fiscal Year: 1999
    ....
  5. STUDIES OF N-TYPE CALCIUM CHANNELS
    Aaron Fox; Fiscal Year: 2003
    ....
  6. HYPOXIC EFFECTS ON MAMMALIAN RESPIRATORY NEURAL NETWORK
    JAN RAMIREZ; Fiscal Year: 2002
    ....
  7. Development of High Throughput Assays for N-type Calcium Channels
    Edward Perez Reyes; Fiscal Year: 2007
    ..By targeting an important protein in the pain pathway, the research funded by this grant will provide tools that can be used to screen candidate compounds during the development of novel analgesics. ..
  8. CA CHANNELS: G PROTEINS & INACTIVATION
    David Yue; Fiscal Year: 2001
    ..Because P/Q and N type calcium channels trigger neurotransmitter release, dynamic modulation of channels by G proteins and voltage inactivation ..
  9. MOLECULAR MECHANISMS OF N TYPE CALCIUM CHANNEL MODULATIO
    STEPHEN IKEDA; Fiscal Year: 2001
    ....
  10. MOLECULAR MECHANISMS OF N TYPE CALCIUM CHANNEL MODULATIO
    STEPHEN IKEDA; Fiscal Year: 1999
    ....
  11. PKC epsilon Regulation of Cannabinoid Response
    MELISA WALLACE; Fiscal Year: 2007
    ..These investigations will not only provide insight into a factor that may contribute to marijuana dependence, but will also aid in understanding regulatory mechanisms of the endogenous cannabinoid system. ..
  12. REGULATION OF BARORECEPTOR AFFERENT TRANSMISSION
    Meredith Hay; Fiscal Year: 2007
    ..Results from these studies are expected to yield novel information that will provide an important advances in our understanding of the cellular mechanisms regulating of baroreceptor neurotransmission. ..
  13. Spinal Cord Signal Transduction in a Rat Model of Post-Surgical Pain
    TONI CORDERO; Fiscal Year: 2007
    ..Delineation of these important spinal signaling mechanisms and identification of relevant receptor subtypes involved in post-operative pain will increase our ability to develop effective treatments for pain after surgery. ..
  14. Screen:Blockers of a CaV2.2-Mint-PDZ1 association (RMI)
    Ilya Bezprozvanny; Fiscal Year: 2004
    ..Biological activity of compounds identified in the full HTS screen will be tested in whole animal pain assays (formalin, hot plate, tail flick). ..
  15. Enkephalins: Neuropharmacology and Abuse Potential
    William Dewey; Fiscal Year: 2006
    ....
  16. Characterization of N-type Ca channels in growth cones
    Maureen McEnery; Fiscal Year: 2005
    ....
  17. PRESYNAPTIC RECEPTORS ON EMBRYONIC SENSORY NEURONS
    Kathleen Dunlap; Fiscal Year: 1991
    ..The specific agonists for these receptors will allow a discrimination between two proposed hypotheses for presynaptic inhibition in the spinal cord...
  18. N-type Calcium Channels in Nociceptive Neurons
    Diane Lipscombe; Fiscal Year: 2009
    ..A defect in alternative splicing following nerve injury could contribute to aberrant pain processing and the de-habilitating symptoms of neuropathic pain. ..