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8) It was found that the risk of E-cadherin hypermethylation was 1.347-fold, while risk of p15 hypermethylation was 1.543-fold and p16 was 1.2-fold among patients with ovarian cancer than that among patients with benign ovarian lesions.
* Hypermethylation of P15, P16, and E-cadherin genes in ovarian cancer.
- Both p16 and p15 proteins are inhibitors of cyclin-dependent kinases that prevent the cell going through the G1/S phase transaction. E-cadherin is a transmembrane glycoprotein that mediates calcium-dependent interactions between adjacent epithelial cells. Two groups of patients were selected: the first group suffered from epithelial serous ovarian tumors and the second group suffered from benign ovarian lesions; ovarian tissue samples from all the subjects (benign and malignant) were subjected to methylation-specific polymerase chain reaction for methylated and unmethylated alleles of the genes (E-cadherin, p15, and p16). Results obtained showed that aberrant methylation of p15 and p16 genes were detected in 64.29 and 50% of ovarian cancer patients, while E-cadherin hypermethylation was detected in 78.57% of ovarian cancer patients. Methylation of E-cadherin was significantly correlated with different stage of disease (p < 0.05). It was found that the risk of E-cadherin hypermethylation was 1.347-fold, while risk of p15 hypermethylation was 1.543-fold and p16 was 1.2-fold among patients with ovarian cancer than that among patients with benign ovarian lesions. In conclusion, Dysfunction of the cell cycle and/or the cell-cell adhesion molecule plays a role in the pathogenesis of ovarian cancer and that the analysis of the methylation of p15 and E-cadherin genes can provide clinically important evidence on which to base the treatment.
=>1.損害の恐れ, 危険, 冒険, リスク, 2.危険にさらす, 3.敢えてする, 被保険者, 被保険物, 危険にさらす,
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Overview of noun risk
The noun risk has 4 senses (first 2 from tagged texts)
1. (4) hazard, jeopardy, peril, risk, endangerment -- (a source of danger; a possibility of
incurring loss or misfortune; "drinking alcohol is a health hazard")
2. (2) risk, peril, danger -- (a venture undertaken without regard to possible loss or injury; "he
saw the rewards but not the risks of crime"; "there was a danger he would do the wrong thing")
3. risk, risk of infection -- (the probability of becoming infected given that exposure to an
infectious agent has occurred)
4. risk, risk of exposure -- (the probability of being exposed to an infectious agent)
Overview of verb risk
The verb risk has 2 senses (first 2 from tagged texts)
1. (8) risk, put on the line, lay on the line -- (expose to a chance of loss or damage; "We risked
losing a lot of money in this venture"; "Why risk your life?"; "She laid her job on the line when
she told the boss that he was wrong")
2. (2) gamble, chance, risk, hazard, take chances, adventure, run a risk, take a chance -- (take a
risk in the hope of a favorable outcome; "When you buy these stocks you are gambling")
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