期刊
METHODS
卷 77-78, 期 -, 页码 92-103出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ymeth.2014.10.002
关键词
Mitochondria; Endoplasmic reticulum; Cancer; Calcium; Cell death; Apoptosis
资金
- Italian Association for Cancer Research (AIRC), Telethon [GGP11139B]
- Italian Ministry of Health
- Italian Ministry of Education, University and Research (COFIN, FIRB, and Futuro in Ricerca)
- University of Ferrara
The tumor suppressor PTEN is a key regulator of a plethora of cellular processes that are crucial in cancer development. Through its lipid phosphatase activity PTEN suppresses the PI3K/AKT pathway to govern cell proliferation, growth, migration, energy metabolism and death. The repertoire of roles fulfilled by PTEN has recently been expanded to include crucial functions in the nucleus, where it favors genomic stability and restrains cell cycle progression, as well as protein phosphatase dependent activity at the endoplasmic reticulum (ER) and mitochondria-associated membranes (MAMs), where PTEN interacts with the inositol 1,4,5-trisphosphate receptors (IP3Rs) and regulates Ca2+ release from the ER and sensitivity to apoptosis. Indeed, PTEN is present in definite subcellular locations where it performs distinct functions acting on specific effectors. In this review, we summarize recent advantages in methods to study PTEN subcellular localization and the distinct biological functions of PTEN in different cellular compartments. A deeper understanding of PTEN's compartmentalized-functions will guide the rational design of novel therapies. 2014 The Authors. Published by Elsevier Inc.
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