2013
DOI: 10.2174/15665240113139990065
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The p53-Estrogen Receptor Loop in Cancer

Abstract: Tumor suppressor p53 maintains genome stability by regulating diverse cellular functions including cell cycle arrest, apoptosis, senescence and metabolic homeostasis. Mutations in the p53 gene occur in almost all human cancers with a frequency up to 80%. However, it is only 20% in breast cancers, 18% in endometrial cancers and 1.5% in cervical cancers. Estrogen receptor alpha (ERα) plays a pivotal role in hormonedependent cancer development and the status of ERα is used for designing treatment strategy and for… Show more

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Cited by 79 publications
(79 citation statements)
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“…Estrogen and ERa are negative regulators of p53 and are able to inactivate p53 in tumor epithelial cells. In addition, estrogen increases p53-ERa interactions (52). This mechanism may also be relevant to observations in Li-Fraumeni-associated breast cancers, as the majority of germ line TP53-mutated breast cancers are hormone receptor-positive (36).…”
Section: Implications For Interactions Among P53 Estrogen and Er Inmentioning
confidence: 71%
“…Estrogen and ERa are negative regulators of p53 and are able to inactivate p53 in tumor epithelial cells. In addition, estrogen increases p53-ERa interactions (52). This mechanism may also be relevant to observations in Li-Fraumeni-associated breast cancers, as the majority of germ line TP53-mutated breast cancers are hormone receptor-positive (36).…”
Section: Implications For Interactions Among P53 Estrogen and Er Inmentioning
confidence: 71%
“…This could be relevant in the case of molecular circuitries involving estrogen receptors and E2F transcription factors such as resistance to endocrine therapies. Obviously, RIP140 may regulate other signaling pathways interconnected with estrogen receptor pathways in breast cancer cells, such as the Wnt or p53 signaling which have been shown to be important for the resistance to antiestrogens[56,57]. Further genome wide profiling of RIP140 binding sites in human cancer cells coupled to mouse genetics will be needed to highlight these different cross-talks and their relevance in The Transparency document associated with this article can be found, in the online version.We thank all the members of the Hormone Signaling and Cancer laboratory for their help, discussions and critical reading of the original manuscript.…”
mentioning
confidence: 99%
“…Авторы считают, что под влиянием химиотерапии может про-исходить не апоптоз, а старение клеточной популя-ции. Кроме того, было показано, что в ER+-опухолях молочной железы ERα подавляет р53-зависимый апо-птоз, индуцированный повреждением ДНК [80,81]. Есть данные, свидетельствующие о том, что ERα мо-жет регулировать транскрипцию р53 [81].…”
Section: многофункциональный опухолевый супрессор р53unclassified
“…Кроме того, было показано, что в ER+-опухолях молочной железы ERα подавляет р53-зависимый апо-птоз, индуцированный повреждением ДНК [80,81]. Есть данные, свидетельствующие о том, что ERα мо-жет регулировать транскрипцию р53 [81]. Это, очевид-но, относится не только к РМЖ, но и к опухолям яич-ника [81].…”
Section: многофункциональный опухолевый супрессор р53unclassified
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