نتایج جستجو برای: activated protein kinases
تعداد نتایج: 1374565 فیلتر نتایج به سال:
Multicellular organisms have three well-characterized subfamilies of mitogen-activated protein kinases (MAPKs) that control a vast array of physiological processes. These enzymes are regulated by a characteristic phosphorelay system in which a series of three protein kinases phosphorylate and activate one another. The extracellular signal-regulated kinases (ERKs) function in the control of cell...
Mitogen-activated protein kinases (MAPKs) are rapidly phosphorylated and activated in response to a variety of extracellular stimuli in many different cell types. The kinases that activate MAPK, the MAPK/ERK Kinases (MEKs), are also activated by phosphorylation. We have studied the influence of specific oncogenes on the regulation of MEK activity in NIH3T3 and Rat1a fibroblasts. We show that a ...
Mitogen-activated protein (MAP) kinases comprise a family of ubiquitous proline-directed, protein-serine/threonine kinases, which participate in signal transduction pathways that control intracellular events including acute responses to hormones and major developmental changes in organisms. MAP kinases lie in protein kinase cascades. This review discusses the regulation and functions of mammali...
The importance of calcium ions in coupling physiological responses to external and developmental signals in plants has been well documented. Recently, Plieth and Trewavas (Plant Physiology, 2002, 129: 786-796) have shown that gravistimulation, too, elicits changes in the concentration of cytoplasmic Ca2+ in Arabidopsis plants. Cytoplasmic calcium brings about responses by interacting with targe...
The AMP-activated protein kinase (AMPK) is an important regulator of cellular metabolism in response to metabolic stress and to other regulatory signals. AMPK activity is absolutely dependent upon phosphorylation of AMPK Thr-172 in its activation loop by one or more AMPK kinases (AMPKKs). The tumor suppressor kinase, LKB1, is a major AMPKK present in a variety of tissues and cells, but several ...
objective(s): the rotavirus nonstructural protein 4 (nsp4) is responsible for the increase in cytoplasmic calcium concentration through a phospholipase c-dependent and phospholipase c-independent pathways in infected cells. it is shown that increasing of intracellular calcium concentration in rotavirus infected cells is associated with the activation of some members of protein kinases family su...
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