Abdallah Hayar

Summary

Publications

  1. pmc Oocyte triplet pairing for electrophysiological investigation of gap junctional coupling
    Abdallah Hayar
    Dept of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Center for Translational Neuroscience, Little Rock, AR 72205, United States
    J Neurosci Methods 188:280-6. 2010
  2. pmc An improved method for patch clamp recording and calcium imaging of neurons in the intact dorsal root ganglion in rats
    Abdallah Hayar
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, United States
    J Neurosci Methods 173:74-82. 2008
  3. pmc Endogenous GABA and glutamate finely tune the bursting of olfactory bulb external tufted cells
    Abdallah Hayar
    Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA
    J Neurophysiol 98:1052-6. 2007
  4. pmc Cholinergic modulation of fast inhibitory and excitatory transmission to pedunculopontine thalamic projecting neurons
    Meijun Ye
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
    J Neurophysiol 103:2417-32. 2010
  5. pmc Cholinergic modulation of GABAergic and glutamatergic transmission in the dorsal subcoeruleus: mechanisms for REM sleep control
    David S Heister
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University ofArkansas for Medical Sciences, Little Rock, AR 72205, USA
    Sleep 32:1135-47. 2009
  6. pmc The developmental decrease in REM sleep: the role of transmitters and electrical coupling
    Edgar Garcia-Rill
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Science, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
    Sleep 31:673-90. 2008
  7. pmc Developmental changes in glutamatergic fast synaptic neurotransmission in the dorsal subcoeruleus nucleus
    Christen Simon
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
    Sleep 35:407-17. 2012
  8. pmc Cholinergic responses and intrinsic membrane properties of developing thalamic parafascicular neurons
    Meijun Ye
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA
    J Neurophysiol 102:774-85. 2009
  9. pmc Activation of postsynaptic GABAB receptors modulates the bursting pattern and synaptic activity of olfactory bulb juxtaglomerular neurons
    Nikolay Karpuk
    Deptepartment of Neurobiology and Developmental Sciences, Center for Translational Neuroscience, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA
    J Neurophysiol 99:308-19. 2008
  10. pmc Evidence for Electrical Coupling in the SubCoeruleus (SubC) Nucleus
    David S Heister
    Center for Translational Neuroscience, Dept of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, 4301 W Markham St, Slot 847, Little Rock, AR 72205, USA
    J Neurophysiol 97:3142-7. 2007

Collaborators

Detail Information

Publications19

  1. pmc Oocyte triplet pairing for electrophysiological investigation of gap junctional coupling
    Abdallah Hayar
    Dept of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Center for Translational Neuroscience, Little Rock, AR 72205, United States
    J Neurosci Methods 188:280-6. 2010
    ..In this study, we show the example of testing the gap junctional properties among 3 oocytes, 2 of which are expressing rat connexin36...
  2. pmc An improved method for patch clamp recording and calcium imaging of neurons in the intact dorsal root ganglion in rats
    Abdallah Hayar
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, United States
    J Neurosci Methods 173:74-82. 2008
    ....
  3. pmc Endogenous GABA and glutamate finely tune the bursting of olfactory bulb external tufted cells
    Abdallah Hayar
    Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA
    J Neurophysiol 98:1052-6. 2007
    ..We suggest that ET cell excitatory and inhibitory inputs may be encoded as a change in the pattern of spike bursting in ET cells, which together with mitral/tufted cells constitute the output circuit of the olfactory bulb...
  4. pmc Cholinergic modulation of fast inhibitory and excitatory transmission to pedunculopontine thalamic projecting neurons
    Meijun Ye
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
    J Neurophysiol 103:2417-32. 2010
    ..These results provide possible implications for the generation of different frequency oscillations in PPN thalamic projecting neurons during distinct sleep-wake states...
  5. pmc Cholinergic modulation of GABAergic and glutamatergic transmission in the dorsal subcoeruleus: mechanisms for REM sleep control
    David S Heister
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University ofArkansas for Medical Sciences, Little Rock, AR 72205, USA
    Sleep 32:1135-47. 2009
    ....
  6. pmc The developmental decrease in REM sleep: the role of transmitters and electrical coupling
    Edgar Garcia-Rill
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Science, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
    Sleep 31:673-90. 2008
    ....
  7. pmc Developmental changes in glutamatergic fast synaptic neurotransmission in the dorsal subcoeruleus nucleus
    Christen Simon
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
    Sleep 35:407-17. 2012
    ..We tested the hypothesis that developmental changes in the GLU excitability of SubCD neurons could underlie the developmental decrease in REM sleep that occurs in the rat from postnatal days 10-30...
  8. pmc Cholinergic responses and intrinsic membrane properties of developing thalamic parafascicular neurons
    Meijun Ye
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA
    J Neurophysiol 102:774-85. 2009
    ..Pf cells tend to show decreased excitability and cholinergic activation during the developmental decrease in REM sleep...
  9. pmc Activation of postsynaptic GABAB receptors modulates the bursting pattern and synaptic activity of olfactory bulb juxtaglomerular neurons
    Nikolay Karpuk
    Deptepartment of Neurobiology and Developmental Sciences, Center for Translational Neuroscience, University of Arkansas for Medical Sciences, Little Rock, Arkansas 72205, USA
    J Neurophysiol 99:308-19. 2008
    ..Thus the postsynaptic GABA(B)-Rs on ET cells may play an important role in shaping the activation pattern of the glomeruli during olfactory coding...
  10. pmc Evidence for Electrical Coupling in the SubCoeruleus (SubC) Nucleus
    David S Heister
    Center for Translational Neuroscience, Dept of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, 4301 W Markham St, Slot 847, Little Rock, AR 72205, USA
    J Neurophysiol 97:3142-7. 2007
    ..The presence of electrical coupling in the SubC introduces a novel potential mechanism of action for the regulation of sleep-wake states...
  11. pmc Electrical coupling: novel mechanism for sleep-wake control
    Edgar Garcia-Rill
    Center for Translational Neuroscience, Department of Neurobiology and Dev Sci, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
    Sleep 30:1405-14. 2007
    ....
  12. pmc Responses of developing pedunculopontine neurons to glutamate receptor agonists
    Christen Simon
    Center for Translational Neuroscience, Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, 4301 West Markham St, Little Rock, AR 72205, USA
    J Neurophysiol 105:1918-31. 2011
    ..In contrast, NMDA application produced no changes in the PPR or mEPSCs. Changes in glutamatergic excitability of PPN cell types could underlie the developmental decrease in REM sleep...
  13. pmc Olfactory bulb external tufted cells are synchronized by multiple intraglomerular mechanisms
    Abdallah Hayar
    Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, Memphis, Tennessee 38163, USA
    J Neurosci 25:8197-208. 2005
    ..These findings suggest that coordinated synaptic transmission and gap junction coupling synchronize the spontaneous bursting of ET cells of the same glomerulus...
  14. pmc Olfactory nerve-evoked, metabotropic glutamate receptor-mediated synaptic responses in rat olfactory bulb mitral cells
    Matthew Ennis
    Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, Memphis, TN 38163, USA
    J Neurophysiol 95:2233-41. 2006
    ....
  15. ncbi request reprint Olfactory bulb glomeruli: external tufted cells intrinsically burst at theta frequency and are entrained by patterned olfactory input
    Abdallah Hayar
    Department of Anatomy and Neurobiology, Program in Neuroscience, University of Maryland, Baltimore, Maryland 21201, USA
    J Neurosci 24:1190-9. 2004
    ..ET cell bursts were entrained to ON stimuli delivered over the range of theta frequencies. Thus, ET cells appear to be tuned to the frequency of sniffing...
  16. ncbi request reprint External tufted cells: a major excitatory element that coordinates glomerular activity
    Abdallah Hayar
    Department of Anatomy and Neurobiology, Program in Neuroscience, University of Maryland, Baltimore, Maryland 21201, USA
    J Neurosci 24:6676-85. 2004
    ..The findings suggest that multiple, synchronously active ET cells synaptically converge onto single PG/SA cells. Synchronous ET cell bursting may function to amplify transient sensory input and coordinate glomerular output...
  17. pmc Activation of group I metabotropic glutamate receptors on main olfactory bulb granule cells and periglomerular cells enhances synaptic inhibition of mitral cells
    Hong Wei Dong
    Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, Memphis, Tennessee 38163, USA
    J Neurosci 27:5654-63. 2007
    ..We speculate that mGluRs amplify spike-driven lateral inhibition through the mitral-to-granule cell circuit, whereas GL mGluRs may play a more important role in amplifying intraglomerular inhibition after subthreshold input...
  18. pmc A low-cost solution to measure mouse licking in an electrophysiological setup with a standard analog-to-digital converter
    Abdallah Hayar
    Department of Anatomy and Neurobiology, University of Tennessee Health Science Center, 855 Monroe Avenue, Suite 515, Memphis, TN 38163, USA
    J Neurosci Methods 153:203-7. 2006
    ..This method does not produce any significant electrical artifacts and can be combined with electrophysiological measurements of single unit activity from neurons involved in the control of the licking behavior...
  19. ncbi request reprint Opioid signalling in the rat rostral ventrolateral medulla
    Patrice G Guyenet
    Department of Pharmacology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
    Clin Exp Pharmacol Physiol 29:238-42. 2002
    ....