نتایج جستجو برای: gap junction intercellular communication
تعداد نتایج: 534965 فیلتر نتایج به سال:
A chimeric construct, termed 3243H7, composed of fused portions of the rat gap junction proteins connexin32 (Cx32) and connexin43 (Cx43) has been shown to have selective dominant inhibitory activity when tested in the Xenopus oocyte pair system. Co-injection of mRNA coding for 3243H7 together with mRNAs coding for Cx32 or Cx43 completely blocked the development of channel conductances, while th...
Gap junctions consist of arrays of intercellular channels that enable adjacent cells to communicate both electrically and metabolically. Gap junction channels are made of a family of integral membrane proteins called connexins, of which the best-studied member is connexin43. Gap junctions are dynamic plasma membrane domains, and connexin43 has a high turnover rate in most tissue types. However,...
Objective: Gap junction channels provide for direct electrical coupling between cells, and play an important role in homeostasis and electrical coupling. One of the proteins that form gap junctions, Connexin40 (Cx40), shows restricted expression in the body, and is found in blood vessels and in the atrium and conduction system of the heart. We have investigated whether gap junction channels for...
In the organism, quiescent epithelial cells have the potential to resume cycling as a result of various stimuli, including wound healing or oxidative stress. Because quiescent cells have a low polyamine level, resuming their growth requires an increase of their intracellular polyamine levels via de novo polyamine synthesis or their uptake from plasma. Another alternative, explored here, is an i...
OBJECTIVE Gap junction channels provide for direct electrical coupling between cells, and play an important role in homeostasis and electrical coupling. One of the proteins that form gap junctions, Connexin40 (Cx40), shows restricted expression in the body, and is found in blood vessels and in the atrium and conduction system of the heart. We have investigated whether gap junction channels form...
Intercellular communication most likely plays a significant coordinating role in morphogenesis. Blockage of a specific type of intercellular communication, that mediated by gap junctions, has been proposed as a mechanism of action of some teratogens. Several glycol ethers have recently been shown to be teratogenic in laboratory animals. Because these compounds are negative in genotoxic assays, ...
The group of patients suffering from the malignant brain tumour glioblastoma multiforme (GBM) have a median survival of only about one year. Thus, new treatment strategies are urgently needed. Gap junctions are intercellular channels, permitting intercellular transfer of water soluble substances. They are vital for cellular homesostasis, proliferation and differentiation. Gap junctions are comp...
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