نتایج جستجو برای: trpc3
تعداد نتایج: 533 فیلتر نتایج به سال:
Neuronal hyperexcitability plays an important role in epileptogenesis. Conditions of low extracellular calcium (Ca) or magnesium (Mg) can induce hyperexcitability and epileptiform activity with unclear mechanisms. Transient receptor potential canonical type 3 (TRPC3) channels play a pivotal role in neuronal excitability and are activated in low-Ca and/or low-Mg conditions to depolarize neurons....
TRPC6 plays a critical role in proteinuric kidney diseases, and TRPC3 is involved in tubulointerstitial damage and renal fibrosis in obstructed kidneys. Podocyte loss is a characteristic event in diabetic nephropathy (DN). The aim of this study was to examine whether deletion of the closely related diacylglycerol (DAG)-responsive TRPCs in mice (TRPC3/6/7-/-) affects diabetes-induced renal dysfu...
In pregnancy, α-adrenoceptor-mediated vasoconstriction is augmented in uterine radial arteries and is accompanied by underlying changes in smooth muscle (SM) Ca(2+) activity. This study aims to determine the Ca(2+) entry channels associated with altered vasoconstriction in pregnancy, with the hypothesis that augmented vasoconstriction involves transient receptor potential canonical type-3 (TRPC...
BACKGROUND Fibroblast proliferation and differentiation are central in atrial fibrillation (AF)-promoting remodeling. Here, we investigated fibroblast regulation by Ca(2+)-permeable transient receptor potential canonical-3 (TRPC3) channels. METHODS AND RESULTS Freshly isolated rat cardiac fibroblasts abundantly expressed TRPC3 and had appreciable nonselective cation currents (I(NSC)) sensitiv...
Pathological cardiac hypertrophy is associated with an increased risk of heart failure and cardiovascular mortality. Calcium (Ca(2+)) -regulated gene expression is essential for the induction of hypertrophy, but it is not known how myocytes distinguish between the Ca(2+) signals that regulate contraction and those that lead to cardiac hypertrophy. We used in vitro neonatal rat ventricular myocy...
1alpha,25-Dihydroxy-Vitamin-D3 (1alpha,25(OH)2-Vitamin D3) stimulates in skeletal muscle cells Ca2+ release from inner stores and influx through both voltage-dependent and store-operated Ca2+ (SOC, CCE) channels. We investigated the involvement of TRPC proteins and Vitamin D receptor (VDR) in CCE induced by 1alpha,25(OH)2D3 in chick muscle cells. Two fragments were amplified by RT-PCR, exhibiti...
lithium and valproate modulate disturbances in intracellular calcium homeostasis implicated in the pathophysiology of bipolar disorder, but the molecular mechanisms are not fully understood. two subtypes of transient receptor potential (trp) channel family, i.e. trpc3 and trpm2, are potential candidates involved in calcium signaling and implicated in the pathophysiology of bipolar disorder. thi...
Reactive astrogliosis, defined by abnormal morphology and excessive cell proliferation, is a characteristic response of astrocytes to CNS injuries, including intracerebral hemorrhage. Thrombin, a major blood-derived serine protease, leaks into the brain parenchyma upon blood-brain barrier disruption and can induce brain injury and astrogliosis. Transient receptor potential canonical (TRPC) chan...
RATIONALE Upregulation of endothelial vascular cell adhesion molecule (VCAM)-1 and the subsequent increase in monocyte recruitment constitute critical events in atherogenesis. We have recently shown that in human coronary artery endothelial cells (HCAECs) regulated expression of VCAM-1 depends, to a significant extent, on expression and function of the Ca(2+)-permeable channel transient recepto...
Williams-Beuren syndrome (WBS) is a neurodevelopmental disorder associated with hypercalcemia of unknown origin. This syndrome results from the deletion of contiguous genes on chromosome 7, including the general transcription factor IIi gene. The general transcription factor IIi gene encodes TFII-I, which suppresses cell-surface accumulation of transient receptor potential C3 (TRPC3) channels, ...
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