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Nakatani, Y. et al.

Nakatani, Konishi, Vassilev, Kurooka, Ishiguro, Sawada, Ikura, Korsmeyer, Qin, Herlitz,

p600, a unique protein required for membrane morphogenesis and cell survival.

In this article, we identify and characterize p600, a unique 600-kDa retinoblastoma protein- and calmodulin-binding protein. In the nucleus, p600 and retinoblastoma protein seem to act as a chromatin scaffold. In the cytoplasm, p600 and clathrin form a meshwork structure, which could contribute to cytoskeletal organization and membrane morphogenesis. Reduced expression of p600 with interference RNA abrogates integrin-mediated ruffled membrane formation and, furthermore, prevents activation of integrin-mediated survival pathways. Consequently, knockdown of p600 sensitizes cells to apoptosis induced by cell detachment. These findings provide mechanistic insight into the regulation of membrane-proximal events in tumorigenesis.[1]

References

p600, a unique protein required for membrane morphogenesis and cell survival. Nakatani, Y., Konishi, H., Vassilev, A., Kurooka, H., Ishiguro, K., Sawada, J., Ikura, T., Korsmeyer, S.J., Qin, J., Herlitz, A.M. Proc. Natl. Acad. Sci. U.S.A. (2005) [Pubmed]

Annotations and hyperlinks in this abstract are from individual authors of WikiGenes or automatically generated by the WikiGenes Data Mining Engine. The abstract is from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.About WikiGenes Open Access Licence Privacy Policy Terms of Use apsburg