Superoxide dismutase is regulated by LAMMER kinase in Drosophila and human cells.
Superoxide dismutase is regulated by LAMMER kinase in Drosophila and human cells.
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DOI:
10.1016/j.freeradbiomed.2008.12.012
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发表时间:
2009-03-15
影响因子:
7.4
通讯作者:
Powis, Garth
中科院分区:
文献类型:
--
作者:
James, Brian P.;Staatz, William D.;Wilkinson, Sarah T.;Meuillet, Emmanuelle;Powis, Garth
LAMMER kinases (also know as Cdc-2-like or CLKs) are a family of dual specificity serine/threonine protein kinases that are found in all sequenced eukaryotic genomes. In the fission yeast, S. pombe, the LAMMER kinase gene, Lkh1, positively regulates the expression of the antioxidant defense genes, superoxide dismutase1 (sod1+, CuZn-SOD) and catalase (ctt1+, CAT). We have shown that mutations in the Drosophila LAMMER kinase gene, Darkener of apricot (Doa), protect against the decrease in life span caused by the reactive oxygen species (ROS) generator paraquat, and at the same time show an increase in cytoplasmic (CuZn-Sod or SOD1) and mitochondrial superoxide dismutase (Mn-Sod or SOD2) protein levels and activity. The siRNA mediated knock down of the human LAMMER kinase gene, CLK-1, in HeLa and MCF-7 human cell lines leads to an increase in both SOD1 activity and mRNA transcript levels. These data suggest that SOD1 is negatively regulated by LAMMER kinases in Drosophila and human cell lines and that this regulation may be conserved during evolution.
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影响因子:
3.9
作者:
ORR, WC;SOHAL, RS
通讯作者:
SOHAL, RS
DOI:
10.1016/j.bbrc.2003.10.110
发表时间:
2003-11-28
影响因子:
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通讯作者:
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作者:
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