Src42A modulates tumor invasion and cell death via Ben/dUev1a-mediated JNK activation in Drosophila.
Src42A modulates tumor invasion and cell death via Ben/dUev1a-mediated JNK activation in Drosophila.
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Src42A 通过 Ben/dUev1a 介导的果蝇 JNK 激活调节肿瘤侵袭和细胞死亡
DOI:
10.1038/cddis.2013.392
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发表时间:
2013-10-17
影响因子:
9
通讯作者:
中科院分区:
文献类型:
--
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Loss of the cell polarity gene could cooperate with oncogenic Ras to drive tumor growth and invasion, which critically depends on the c-Jun N-terminal Kinase (JNK) signaling pathway in Drosophila. By performing a genetic screen, we have identified Src42A, the ortholog of mammalian Src, as a key modulator of both Ras V12/lgl−/− triggered tumor invasion and loss of cell polarity gene-induced cell migration. Our genetic study further demonstrated that the Bendless (Ben)/dUev1a ubiquitin E2 complex is an essential regulator of Src42A-induced, JNK-mediated cell migration. Furthermore, we showed that ectopic Ben/dUev1a expression induced invasive cell migration along with increased MMP1 production in wing disc epithelia. Moreover, Ben/dUev1a could cooperate with Ras V12 to promote tumor overgrowth and invasion. In addition, we found that the Ben/dUev1a complex is required for ectopic Src42A-triggered cell death and endogenous Src42A-dependent thorax closure. Our data not only provide a mechanistic insight into the role of Src in development and disease but also propose a potential oncogenic function for Ubc13 and Uev1a, the mammalian homologs of Ben and dUev1a.
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