期刊
CLINICAL EPIGENETICS
卷 15, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s13148-023-01584-9
关键词
Ovarian cancer; DNA methylation; Combined oral contraceptive pill; COCP; Prevention
Ovarian cancer has a poor prognosis, but modifiable lifestyle factors may play a role in its prevention. Current research suggests that epigenetic changes may be key in the formation of ovarian cancer, but there is a lack of high-quality data on the molecular mechanisms of ovarian cancer prevention.
BackgroundOvarian cancer is the second most common gynecological cancer type after uterine cancers. In 2020, according to worldwide statistics, there were more than 313,000 new cases of ovarian cancer. Most concerning with ovarian cancer is the poor overall survival, with only 30% of patients surviving for longer than 5 years after diagnosis. The reason for this poor outcome includes late diagnosis due to non-specific symptoms and a lack of any highly effective biomarkers of the early stages of ovarian carcinogenesis. However, it is important to note that some modifiable lifestyle factors can be preventative [pregnancy, breastfeeding and combined oral contraceptives pill (COCP) use].ResultsThere is now increasing data reporting the role of epigenetic changes, which are detectable in ovarian cancer tumors, suggesting the possibility that epigenetics may also play a key role in the mechanism of long-term effective prevention of ovarian cancer. To our knowledge, there is a lack of high-quality data on the molecular mechanisms of ovarian cancer prevention, although several hypotheses have been proposed.ConclusionsThis review focusses on the evidence for a proposed novel hypothesis-that COCPs act as a chemoprevention through the impact on the epigenome of the cells of origin of ovarian cancer-fallopian tubes epithelium.
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