نتایج جستجو برای: cx43
تعداد نتایج: 1959 فیلتر نتایج به سال:
Intercellular organelle transfer has been documented in several cell types and proposed to be important for cell-cell communication cellular repair. However, the mechanisms by which occurs are uncertain. Recent studies indicate that gap junction protein, connexin 43 (Cx43), is required mitochondrial but its specific role unknown. Using three-dimensional electron microscopy immunogold labeling o...
Introduction: Recent studies have shown that astrocytes play major roles in normal and disease condition of the central nervous system including multiple sclerosis (MS). Molecular target therapy studies in MS have revealed that connexin-43 (Cx43) and Aquaporin-4 (AQP4) contents of astrocytes undergo expression alteration. Fluoxetine had some effects in MS patients unrelated to its known antidep...
RATIONALE Dedifferentiation of vascular smooth muscle cells (VSMC) leading to a proliferative cell phenotype significantly contributes to the development of atherosclerosis. Mitogen-activated protein kinase (MAPK) phosphorylation of proteins including connexin 43 (Cx43) has been associated with VSMC proliferation in atherosclerosis. OBJECTIVE To investigate whether MAPK phosphorylation of Cx4...
Immortalized cells from embryonic connexin43 knockout mice (Cx43-/-) and homozygous littermates (Cx43+/+) were cloned and characterized to determine whether the absence of Cx43 function would induce observable phenotypic changes. Cells of the Cx43+/+ clones expressed Cx43 and engaged in gap junctional communication with 10-12 neighboring cells. The Cx43-/- cells were devoid of Cx43 and communic...
Gap junctions (GJs) made of connexin-43 (Cx43) are necessary for the conduction electrical impulses in heart. Modulation Cx43 GJ activity may be beneficial treatment cardiac arrhythmias and other dysfunctions. The search novel GJ-modulating agents using molecular docking allows accurate prediction binding affinities ligands, which, unfortunately, often poorly correlate with their potencies. obj...
Gap junctions are intercellular channels, formed by individual structural units known as connexins (Cx), that allow the intercellular exchange of various messenger molecules. The finding that numbers of Cx43-type gap junctions in bone marrow are elevated during establishment and regeneration of the hematopoietic system has led to the hypothesis that expression of Cx43 is critical during the ini...
BACKGROUND Reducing the expression of the gap junction protein connexin43 (Cx43) inhibits the progression of atherosclerosis, a chronic inflammatory disease. Furthermore, acute vascular injury induced by percutaneous coronary interventions is associated with increased Cx43 expression in neointimal smooth muscle cells (SMCs). However, the relevance of Cx43 after acute vascular injury remains unc...
Nonjunctional membrane in many cells contains connexin gap junction hemichannels (or connexons) that can open to allow permeation of small molecules. Opening of Cx43 hemichannels is infrequent in normal extracellular Ca(2+) and enhanced by low Ca(2+), positive membrane potentials, and dephosphorylation of critical residues. Here we report that lowering intracellular redox potential increases Cx...
Connexin 43 (Cx43) is present at the sarcolemma and the inner membrane of cardiomyocyte subsarcolemmal mitochondria (SSM). Lack or inhibition of mitochondrial Cx43 is associated with reduced mitochondrial potassium influx, which might affect mitochondrial respiration. Therefore, we analysed the importance of mitochondrial Cx43 for oxygen consumption. Acute inhibition of Cx43 in rat left ventric...
The occurrence and development of gastric cancer are regulated by many factors result from the joint action factors. Studies have shown that ANP, NPRA, Cx43 play a vital role in proliferation migration cancer. This article reviews relationship between Atrial natriuretic peptide (ANP), receptor A (NPRA), Connexin43 (Cx43) with review aims to provide an effective reference value for scientific re...
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