Please use this identifier to cite or link to this item: http://hdl.handle.net/11023/2234
Title: Regulation of Cell Death by The Drosophila ING Proteins
Author: Mobahat, Mahsa
Advisor: Riabowol, Karl
Grewal, Savraj
Keywords: Biology--Cell;Genetics;Oncology
Issue Date: 4-May-2015
Abstract: The inhibitor of growth (ING) family of type II tumor suppressors (ING1-ING5) are involved in various cellular processes including apoptosis, DNA repair and tumor growth. INGs are subunits of histone deacetylase (HDAC) and histone acetyltransferase (HAT) complexes. The Drosophila genome encodes 3 ING homologues, dING 2, 3 and 4. In this research, I showed that overexpression of dING2 leads to smaller tissue and clone size in Drosophila. dING2 was sufficient to induce caspase-dependent but p53-independent cell death, which promoted expression of the pro-apoptotic gene, reaper. Experiments conducted on polyploid tissues revealed that clonal overexpression of dING2 had little effect in cells in the larval fat body, but resulted in smaller salivary glands. My experiments established that overexpression of dING3 induces caspase-dependent cell death. However, neither dING2 nor dING3 is required for IR-induced apoptosis. This work should provide valuable insights into the role of INGs in apoptosis.
URI: http://hdl.handle.net/11023/2234
Appears in Collections:Electronic Theses

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