منابع مشابه
Annexin A2 is required for the early steps of cytokinesis.
Cytokinesis requires the formation of an actomyosin contractile ring between the two sets of sister chromatids. Annexin A2 is a calcium- and phospholipid-binding protein implicated in cortical actin remodeling. We report that annexin A2 accumulates at the equatorial cortex at the onset of cytokinesis and depletion of annexin A2 results in cytokinetic failure, due to a defective cleavage furrow ...
متن کاملAnnexin A2 is a soluble mediator of macrophage activation.
On the surface of the macrophage, annexin A2 tetramer (A2t) serves as a docking protein or recognition element for bacterial and viral pathogens. Plasma levels of free A2t have been reported to increase following infection, although the mechanistic significance of this observation is unclear. Although annexin A2 had generally been thought to play an anti-inflammatory role, soluble A2t stimulate...
متن کاملCharacterization of cytoskeleton-enriched protein fraction of the trabecular meshwork and ciliary muscle cells.
PURPOSE To understand the molecular basis for the known distinct contractile characteristics of trabecular meshwork (TM) and ciliary muscle (CM) cells, the cytoskeleton-enriched protein fractions of the TM and CM cells were isolated and characterized. METHODS The nonionic surfactant insoluble fraction enriched for cytoskeletal proteins was isolated from human and porcine TM tissue and cells a...
متن کاملS100A10, annexin A2, and annexin a2 heterotetramer as candidate plasminogen receptors.
The defining characteristic of a tumor cell is its ability to escape the constraints imposed by neighboring cells, invade the surrounding tissue and metastasize to distant sites. This invasive property of tumor cells is dependent on activation of proteinases at the cell surface. The serine proteinase plasmin is one of the key proteinases that participate in the pericellular proteolysis associat...
متن کاملGenotoxic Agents Promote the Nuclear Accumulation of Annexin A2: Role of Annexin A2 in Mitigating DNA Damage
Annexin A2 is an abundant cellular protein that is mainly localized in the cytoplasm and plasma membrane, however a small population has been found in the nucleus, suggesting a nuclear function for the protein. Annexin A2 possesses a nuclear export sequence (NES) and inhibition of the NES is sufficient to cause nuclear accumulation. Here we show that annexin A2 accumulates in the nucleus in res...
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ژورنال
عنوان ژورنال: FEBS Letters
سال: 2004
ISSN: 0014-5793
DOI: 10.1016/j.febslet.2004.11.076