نتایج جستجو برای: gc1
تعداد نتایج: 164 فیلتر نتایج به سال:
Photoreceptor guanylate cyclase (GC1) is a transmembrane protein and responsible for synthesis of cGMP, the secondary messenger of phototransduction. It consists of an extracellular domain, a single transmembrane domain, and an intracellular domain. It is unknown how GC1 targets to the outer segments where it resides. To identify a putative GC1 targeting signal, we generated a series of periphe...
Nitric oxide (NO) modulates many physiological events through production of cGMP from its receptor, the NO-sensitive guanylyl cyclase (GC1). NO also appears to function in a cGMP-independent manner, via S-nitrosation (SNO), a redox-based modification of cysteine thiols. Previously, we have shown that S-nitrosated GC1 (SNO-GC1) is desensitized to NO stimulation following prolonged NO exposure or...
In the regulation of vascular tone, the dilatory nitric oxide (NO)/cGMP pathway balances vasoconstriction induced by the renin-angiotensin and sympathetic nervous systems. NO-induced cGMP formation is catalyzed by two guanylyl cyclases (GC), NO-sensitive guanylyl cyclase 1 (NO-GC1) and NO-GC2, with indistinguishable enzymatic properties. In vascular smooth muscle cells, NO-GC1 is the major isof...
Background Hypertension, the leading risk factor for cardiovascular mortality has been associated with alterations in endotheliumand smooth muscle-dependent vascular relaxation. The NO/cGMP signaling cascade is one of the major pathways that mediate vascular relaxation. In this pathway, the NO receptor guanylyl cyclase (NO-GC) holds a key position by converting the NO signal into cGMP increases...
Plastids are vital plant organelles involved in many essential biological processes. Plastids are not created de novo but divide by binary fission mediated by nuclear-encoded proteins of both prokaryotic and eukaryotic origin. Although several plastid division proteins have been identified in plants, limited information exists regarding possible division control mechanisms. Here, we describe th...
PURPOSE Cone function and survival are compromised in the guanylate cyclase-1 (GC1) knockout mouse. Disruption of the light-driven translocation of cone arrestin is one of the phenotypes of cone cells in this retina: the cone arrestin in these cells is localized to the outer segments and synaptic terminals, regardless of the state of light adaptation. The purpose of this study was to determine ...
Nitric oxide (NO) modulates renal blood flow (RBF) and kidney function and is involved in blood pressure (BP) regulation predominantly via stimulation of the NO-sensitive guanylyl cyclase (NO-GC), existing in two isoforms, NO-GC1 and NO-GC2. Here, we used isoform-specific knockout (KO) mice and investigated their contribution to renal hemodynamics under normotensive and angiotensin II-induced h...
The solute carrier family 25 (SLC25) drives the import of a large diversity of metabolites into mitochondria, a key cellular structure involved in many metabolic functions. Mutations of the mitochondrial glutamate carrier SLC25A22 (also named GC1) have been identified in early epileptic encephalopathy (EEE) and migrating partial seizures in infancy (MPSI) but the pathophysiological mechanism of...
PURPOSE Light-driven translocation of phototransduction regulatory proteins between the inner and outer segments of photoreceptor cells plays a role in the adaptation of these cells to light. The purpose of this study was to examine the effects of the absence of guanylate cyclase 1 (GC1) on light-driven protein translocation in rod and cone cells. Both cell types express GC1, but differ in sens...
BACKGROUND Guanylyl cyclase, a heme-containing α1β1 heterodimer (GC1), produces cGMP in response to Nitric oxide (NO) stimulation. The NO-GC1-cGMP pathway negatively regulates cardiomyocyte contractility and protects against cardiac hypertrophy-related remodeling. We recently reported that the β1 subunit of GC1 is detected at the intercalated disc with connexin 43 (Cx43). Cx43 forms gap junctio...
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