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Alteration of proteins expression in apoptotic FL cells induced by MCLR by Ming‐Luan Xing; Xiao‐Feng Wang; Li‐Hong Xu is a Environmental Science article available to read on EtoBox.

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## Abstract Microcystins (MCs) are a family of monocyclic heptapeptide hepatotoxins produced by freshwater species of cyanobacteria. Microcystin‐LR (MCLR) is the most frequently studied and most toxic in over 80 MC congeners. Great deals of studies have demonstrated that MCLR can induce apoptosis in a wide variety of cell types. Although much evidence indicates that mitochondria play a pivotal role in MCLR‐induced apoptosis, the complicated apoptosis mechanisms induced by MCLR have not been completely characterized. It is possible that there are other apoptotic pathways existing in MCLR‐induced apoptosis. The present study was undertaken to determine the expression of PP2A, CHOP, Bax, Bcl‐2, and p53 proteins in MCLR‐induced apoptosis in FL cells. The results showed that MCLR could induce apoptosis in FL cells and the process was accompanied with the upregulation of PP2A, Bax, and p53 proteins and the downregulation of Bcl‐2 proteins. In addition, the CHOP protein was upregulated at most treatment groups and decreased at the highest concentration group. These results, especially the alteration of PP2A and CHOP proteins might provide new insights into MCLR‐induced apoptosis. © 2008 W

Who reads Alteration of proteins expression in apoptotic FL cells induced by MCLR?

Author

Ming‐Luan Xing; Xiao‐Feng Wang; Li‐Hong Xu

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1520-4081)

Published

2008

Language

EN

Field

Environmental Science (Physical Sciences)