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| Citation | Tseng, A.S.K., Tapon, N., Kanda, H., Cigizoglu, S., Edelmann, L., Pellock, B., White, K., Hariharan, I.K. (2007). Capicua regulates cell proliferation downstream of the receptor tyrosine kinase/Ras signaling pathway. Curr. Biol. 17(8): 728--733. (Export to RIS) | ||
| FlyBase ID | FBrf0200742 | ||
| Publication Type | Research paper | ||
| PubMed ID | 17398096 | ||
| PubMed Abstract | Signaling via the receptor tyrosine kinase (RTK)/Ras pathway promotes tissue growth during organismal development and is increased in many cancers [1]. It is still not understood precisely how this pathway promotes cell growth (mass accumulation). In addition, the RTK/Ras pathway also functions in cell survival, cell-fate specification, terminal differentiation, and progression through mitosis [2-7]. An important question is how the same canonical pathway can elicit strikingly different responses in different cell types. Here, we show that the HMG-box protein Capicua (Cic) restricts cell growth in Drosophila imaginal discs, and its levels are, in turn, downregulated by Ras signaling. Moreover, unlike normal cells, the growth of cic mutant cells is undiminished in the complete absence of a Ras signal. In addition to a general role in growth regulation, the importance of cic in regulating cell-fate determination downstream of Ras appears to vary from tissue to tissue. In the developing eye, the analysis of cic mutants shows that the functions of Ras in regulating growth and cell-fate determination are separable. Thus, the DNA-binding protein Cic is a key downstream component in the pathway by which Ras regulates growth in imaginal discs. | ||
| DOI | 10.1016/j.cub.2007.03.023 | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Curr. Biol. | ||
| Title | Current Biology | ||
| Publication Year | 1991- | ||
| ISBN/ISSN | 0960-9822 | ||
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Data from Reference
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| Alleles (10)
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| Genes (14)
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