Research Topics
| MARGARET VIZZARDSummaryAffiliation: University of Vermont Country: USA Publications
Research Grants
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Detail Information
Publications
Expression and response of acid-sensing ion channels in urinary bladder to cyclophosphamide-induced cystitisKimberly Corrow
Department of Neurology, University of Vermont College of Medicine, Burlington, Vermont 05405, USA
Am J Physiol Renal Physiol 298:F1130-9. 2010..Future studies are necessary to determine ASIC isoform contributions to micturition reflexes in control and inflamed urinary bladder...
Exogenous overexpression of nerve growth factor in the urinary bladder produces bladder overactivity and altered micturition circuitry in the lumbosacral spinal cordPeter Zvara
Department of Surgery, University of Vermont College of Medicine, 89 Beaumont Avenue, Burlington, VT 05405, USA
BMC Physiol 7:9. 2007....
Expression of cyclooxygenase-2 in urinary bladder in rats with cyclophosphamide-induced cystitisMary Beth Klinger
Univ of Vermont College of Medicine, Dept of Neurology, D415A Given Research Bldg, Burlington, VT 05405
Am J Physiol Regul Integr Comp Physiol 293:R677-85. 2007..COX-2-IR macrophages (CD86+) were present throughout the urinary bladder with acute and chronic CYP-induced cystitis. These studies demonstrate cellular targets in the urinary bladder where COX-2 inhibitors may act...
Neurotrophin/receptor expression in urinary bladder of mice with overexpression of NGF in urotheliumBeatrice M Girard
Department of Anatomy and Neurobiology, University of Vermont College of Medicine, Burlington, VT 05405, USA
Am J Physiol Renal Physiol 300:F345-55. 2011..01) increased in urinary bladder of NGF-OE mice. The NGF-OE-induced changes in neurotrophic factor/receptor expression in urinary bladder may represent compensatory changes to reduce voiding frequency in the NGF-OE mouse...
Changes in pituitary adenylate cyclase activating polypeptide expression in urinary bladder pathways after spinal cord injuryKatarina Zvarova
Department of Neurology, University of Vermont, College of Medicine, D411 Given Building, Burlington, VT 05405, USA
Exp Neurol 192:46-59. 2005..These studies demonstrate changes in PACAP expression in micturition reflex pathways after SCI that may contribute to urinary bladder dysfunction or reemergence of primitive voiding reflexes after SCI...
Upregulation of vascular endothelial growth factor isoform VEGF-164 and receptors (VEGFR-2, Npn-1, and Npn-2) in rats with cyclophosphamide-induced cystitisBopaiah P Cheppudira
Department of Neurology, University of Vermont College of Medicine, Burlington, VT 05405, USA
Am J Physiol Renal Physiol 295:F826-36. 2008..Functional role(s) for the VEGF-VEGF receptor system in urinary bladder inflammation remain to be determined...
Expression of corticotropin-releasing factor and CRF receptors in micturition pathways after cyclophosphamide-induced cystitisJennifer LaBerge
Dept of Anatomy, University of Vermont College of Medicine, Burlington, VT 05405, USA
Am J Physiol Regul Integr Comp Physiol 291:R692-703. 2006..CRF may contribute to urinary bladder overactivity and altered sensory processing with CYP-induced cystitis...
Role for pituitary adenylate cyclase activating polypeptide in cystitis-induced plasticity of micturition reflexesKaren M Braas
University of Vermont College of Medicine, Department of Anatomy and Neurobiology, Burlington, VT 05405, USA
Am J Physiol Regul Integr Comp Physiol 290:R951-62. 2006..In summary, these studies support roles for PACAP in micturition and suggest that inflammation-induced plasticity in PACAP expression in peripheral and central micturition pathways contribute to bladder dysfunction with cystitis...
Phosphorylation of extracellular signal-regulated kinases in urinary bladder in rats with cyclophosphamide-induced cystitisKimberly A Corrow
Department of Neurology, University of Vermont College of Medicine, Burlington, VT 05405, USA
Am J Physiol Regul Integr Comp Physiol 293:R125-34. 2007..01) increased bladder capacity in CYP-treated rats (48 h). These studies suggest that therapies targeted at pERK pathways may improve urinary bladder function in CYP-treated rats...
PACAP-mediated ATP release from rat urothelium and regulation of PACAP/VIP and receptor mRNA in micturition pathways after cyclophosphamide (CYP)-induced cystitisBeatrice M Girard
Department of Anatomy and Neurobiology, University of Vermont, Burlington, VT 05405, USA
J Mol Neurosci 36:310-20. 2008..The current data demonstrate PACAP and PAC1 regulation in micturition pathways with inflammation and PACAP-mediated ATP release from urothelium...
VIP and PACAP effects on mouse major pelvic ganglia neuronsJohn D Tompkins
Departments of Anatomy and Neurobiology, College of Medicine, University of Vermont, Burlington, VT 05405, USA
J Mol Neurosci 42:390-6. 2010..The results suggest that VIP has a role in the neural control of pelvic organ function and activation of VPAC and/or PAC1 receptors can modulate the activity of the autonomic neurons innervating pelvic organs...
Up-regulation of tyrosine kinase (Trka, Trkb) receptor expression and phosphorylation in lumbosacral dorsal root ganglia after chronic spinal cord (T8-T10) injuryLiya Qiao
Department of Neurology, University of Vermont College of Medicine, Burlington, VT 05405, USA
J Comp Neurol 449:217-30. 2002..Neuroplasticity of lower urinary tract reflexes after SCI may be mediated by both nerve growth factor and brain-derived neurotrophic factor...
Increased expression of neuronal nitric oxide synthase in bladder afferent cells in the lumbosacral dorsal root ganglia after chronic bladder outflow obstructionPeter Zvara
Department of Surgery, University of Vermont, D319 Given Bldg, 89 Beaumont Ave, Burlington, VT 05405, USA
Brain Res 1002:35-42. 2004..8-fold in males and 1.9-fold in females) and S1 (2.8-fold in males and 5.3-fold in females) DRG. In contrast, no changes in nNOS-IR in neurons or fiber distribution were observed in any spinal cord segments examined...
Neurochemical plasticity and the role of neurotrophic factors in bladder reflex pathways after spinal cord injuryMargaret A Vizzard
Department of Neurology, University of Vermont College of Medicine, Burlington, VT 05405, USA
Prog Brain Res 152:97-115. 2006....
Prolonged retention of the anorectic cobalt protoporphyrin in the hypothalamus and the resulting expression of FosRichard A Galbraith
Department of Medicine, University of Vermont, Burlington, Vermont 05405, USA
Am J Physiol Regul Integr Comp Physiol 287:R465-71. 2004..Thus CoPP remains in the hypothalamus for prolonged periods and activates Fos expression in the hypothalamus...
Postnatal expression of corticotropin releasing factor (CRF) in rat urinary bladderJennifer LaBerge
Department of Neurology, University of Vermont College of Medicine, Burlington, VT 05405, USA
Auton Neurosci 141:83-93. 2008..Changes in CRF expression and neuropeptide expression in general in the urinary bladder may contribute to the emergence of mature voiding reflexes...
Involvement of JAK-STAT signaling/function after cyclophosphamide-induced bladder inflammation in female ratsBopaiah P Cheppudira
Dept of Neurology, Univ of Vermont College of Medicine, Burlington, VT 05405, USA
Am J Physiol Renal Physiol 297:F1038-44. 2009..These studies demonstrate a potential role for JAK-STAT signaling pathways in bladder hyperreflexia and referred pain induced by CYP-induced bladder inflammation...
Role of p75NTR in female rat urinary bladder with cyclophosphamide-induced cystitisMary Beth Klinger
Dept of Neurology, Univ of Vermont College of Medicine, D415A Given Research Bldg, Burlington, VT 05405, USA
Am J Physiol Renal Physiol 295:F1778-89. 2008..The overall activity of the urinary bladder reflects the balance of NGF-p75(NTR) and NGF-TrkA signaling...
PACAP enhances mouse urinary bladder contractility and is upregulated in micturition reflex pathways after cystitisGerald M Herrera
University of Vermont College of Medicine, Department of Neurology, D411 Given Building, Burlington, VT 05405, USA
Ann N Y Acad Sci 1070:330-6. 2006..PACAP immunoreactivity (IR) is increased in micturition reflex pathways following cystitis. PACAP may contribute to altered sensation and bladder overactivity in the chronic bladder inflammatory syndrome, interstitial cystitis...
Expression of fractalkine and fractalkine receptor in urinary bladder after cyclophosphamide (CYP)-induced cystitisRuhin Yuridullah
University of Vermont College of Medicine, Department of Neurology, Burlington, VT 05405, USA
Auton Neurosci 126:380-9. 2006....
P2X2 and P2X3 receptor expression in postnatal and adult rat urinary bladder and lumbosacral spinal cordSimon Studeny
University of Vermont College of Medicine, Department of Neurology, Burlington, VT 05405, USA
Am J Physiol Regul Integr Comp Physiol 289:R1155-68. 2005..These studies demonstrate plastic expression of P2X2 and P2X3 receptors in bladder and spinal cord during early postnatal development at times coincident with appearance of mature voiding patterns...
A role for pituitary adenylate cyclase activating polypeptide (PACAP) in detrusor hyperreflexia after spinal cord injury (SCI)Peter Zvara
University of Vermont College of Medicine, Department of Neurology, D411 Given Building, Burlington, VT 05405, USA
Ann N Y Acad Sci 1070:622-8. 2006..PACAP may contribute to detrusor hyperreflexia induced by SCI and PACAP antagonists may be a novel approach to reduce detrusor hyperreflexia after SCI...
Urinary bladder function and somatic sensitivity in vasoactive intestinal polypeptide (VIP)-/- miceSimon Studeny
Department of Neurology, University of Vermont College of Medicine, D415A Given Research Building, Burlington, VT 05405, USA
J Mol Neurosci 36:175-87. 2008..Thus, these changes may further regulate the neural control of micturition...
Role for pAKT in rat urinary bladder with cyclophosphamide (CYP)-induced cystitisLauren Arms
Department of Anatomy and Neurobiology, University of Vermont College of Medicine, Burlington, Vermont 05405, USA
Am J Physiol Renal Physiol 301:F252-62. 2011..These results demonstrate increased AKT phosphorylation in the urinary bladder with urinary bladder inflammation and that blockade of AKT phosphorylation in the urothelium improves overall bladder function...
Expression and function of CXCL12/CXCR4 in rat urinary bladder with cyclophosphamide-induced cystitisLauren Arms
Department of Anatomy and Neurobiology, University of Vermont College of Medicine, Burlington, Vermont 05405, USA
Am J Physiol Renal Physiol 298:F589-600. 2010..01) increases in intercontraction interval, bladder capacity, and void volume. These results suggest a role for CXCL12/CXCR4 signaling in both normal micturition and with bladder hyperreflexia following bladder inflammation...
Research Grants
- Cystitis-Induced Plasticity of Micturition ReflexesMARGARET VIZZARD; Fiscal Year: 2007..Axons of these neurons terminate in the inflamed urinary bladder and these cells are also likely to be influenced by the inflammatory milieu. ..
- Neurotrophic Mechanisms in LUT Plasticity with CystitisMARGARET VIZZARD; Fiscal Year: 2007..3). To evaluate the physiological roles of PACAP and neurotrophins in the micturition reflex pathway using PACAP knockout mice. ..
- Developmental plasticity of micturation reflexesMARGARET VIZZARD; Fiscal Year: 2009..It is anticipated that these studies will provide insights into potential targets and therapeutic interventions for childhood and adult voiding dysfunctions. ..
- Developmental plasticity of micturation reflexesMARGARET ANN VIZZARD; Fiscal Year: 2010..It is anticipated that these studies will provide insights into potential targets and therapeutic interventions for childhood and adult voiding dysfunctions. ..
- Cystitis-Induced Plasticity of Micturition ReflexesMARGARET ANN VIZZARD; Fiscal Year: 2010..These studies will contribute to the understanding of inflammation-induced changes in chronic bladder inflammation and may provide insights into potential targets and therapeutic interventions for PBS/IC in the future. ..
- Developmental Plasticity of Micturition ReflexesMARGARET VIZZARD; Fiscal Year: 2005..Anatomical studies will be combined with immunoassay for CRF in the lumbosacral spinal cord. ..
- PLASTICITY OF LUT INTERNEURONS FOLLOWING SPINAL CORD INJMARGARET VIZZARD; Fiscal Year: 2004....
- Cystitis-Induced Plasticity of Micturition ReflexesMARGARET ANN VIZZARD; Fiscal Year: 2010..These studies will contribute to the understanding of inflammation-induced changes in chronic bladder inflammation and may provide insights into potential targets and therapeutic interventions for PBS/IC in the future. ..
