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Reference Report
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| Citation | Yang, C.P., Chen, M.S., Liaw, G.J., Chen, S.F., Chou, G., Fan, S.S. (2005). Using Drosophila eye as a model system to characterize the function of mars gene in cell-cycle regulation. Exp. Cell Res. 307(1): 183--193. (Export to RIS) | ||
| FlyBase ID | FBrf0187553 | ||
| Publication Type | Research paper | ||
| PubMed ID | 15922738 | ||
| PubMed Abstract | Human hepatoma up-regulated protein (HURP), a cell-cycle regulator, is found consistently overexpressed in human hepatocellular carcinoma. At present, the function of HURP in cell-cycle regulation and carcinogenesis remains unclear. In database mining, we have identified a mars gene in Drosophila, which encodes a protein with a high similarity to HURP in its guanylate kinase-associated protein (GKAP) motif. Overexpression but not down-regulation of mars in eye discs resulted in a higher mitotic index along with a high frequency of mitotic defects, including misalignment of chromosomes and mispositioned centrosomes, at the second mitotic wave (SMW). The consequence of mitotic defects impairs cell-cycle progression, and causes cell death posterior to the furrow. Immunocytochemical studies also have indicated that the expression of Mars is cell cycle regulated, and that its subcellular localization is dynamically changed during cell-cycle progression. Furthermore, we also demonstrated that the first 198 amino acids at the N-terminus of Mars are responsible for the degradation of Mars in non-mitotic cells. Together, we report the use Drosophila eye as a model system to characterize the function of the mars gene in cell-cycle regulation. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | Exp. Cell Res. | ||
| Title | Experimental Cell Research | ||
| Publication Year | 1950- | ||
| ISBN/ISSN | 0014-4827 | ||
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Data from Reference
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| Alleles (13)
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| Constructs (10)
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| Genes (8)
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| Insertions (2)
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