医学临床研究
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JOURNAL OF CLINICAL RESEARCH  2023, Vol. 40 Issue (2): 209-212    DOI: 10.3969/j.issn.1671-7171.2023.02.014
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Methylation Status of PCDH8 and TSLC1 Gene Promoters in Ovarian Cancer Tissue and Relationship with Prognosis
WANG Rui, LIU Yang, DNEG Yun-jing
Department of Obstetrics and Gynecology,Yulin First Hospital,Yulin Shaanxi 719000
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Abstract  【Objective】To investigate the methylation status of the promoter of PCDH8 and TSLC1 genes in ovarian cancer tissue and relationship with prognosis. 【Methods】The clinical data of 104 patients with ovarian cancer who underwent surgical treatment in our hospital from May 2017 to May 2018 were retrospectively analyzed. All patients were followed up for 36 months after surgery. The patients with metastasis,recurrence and death during the follow-up period were set as the poor prognosis group (n=60),and the rest were the good prognosis group (n=44). Methylation-specific polymerase chain reaction (MSP) was used to detect the methylation status of PCDH8 and TSLC1 gene promoters in ovarian cancer tissues of all patients. Univariate analysis and multivariate analysis were used to analyze the factors affecting the poor prognosis of ovarian cancer patients.【Results】The methylation rates of PCDH8 gene promoter and TSLC1 gene promoter in ovarian cancer tissue of patients with poor prognosis were 80.00% (48/60) and 58.33% (35/60),respectively,which were significantly higher than those of patients with good prognosis 36.36% (16/44) and 18.18% (8/44),respectively. The difference was statistically significant(χ2=20.422、16.875,P<0.05). There were statistically significant differences in FIGO stage,lymph node metastasis,degree of differentiation,PCDH8 gene promoter methylation status,and TSLC1 gene promoter methylation status between the poor prognosis group and the good prognosis group (P<0.05). FIGO stage Ⅲ~Ⅳ,lymph node metastasis,degree of differentiation G3,positive PCDH8 and TSLC1 gene promoter methylation status were all risk factors for the poor prognosis of ovarian cancer patients (P<0.05).【Conclusion】The positive rates of both PCDH8 and TSLC1 gene promoter methylation in the cancer tissue of patients with poor prognosis are significantly higher than those of patients with good prognosis. The methylation status of both PCDH8 and TSLC1 gene promoters is significantly correlated with the prognosis and can be used to evaluate the prognosis of patients with ovarian cancer.
Key wordsOvarian Neoplasms/PA      Ovarian Neoplasms/GE      Cell Adhesion Molecule-1      Promoter Regions, Genetic      DNA Methylation     
Received: 09 March 2022     
PACS:  R737.31  
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WANG Rui
LIU Yang
DNEG Yun-jing
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WANG Rui,LIU Yang,DNEG Yun-jing. Methylation Status of PCDH8 and TSLC1 Gene Promoters in Ovarian Cancer Tissue and Relationship with Prognosis[J]. JOURNAL OF CLINICAL RESEARCH, 2023, 40(2): 209-212.
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http://journal07.magtech.org.cn/yxlcyj/EN/10.3969/j.issn.1671-7171.2023.02.014     OR     http://journal07.magtech.org.cn/yxlcyj/EN/Y2023/V40/I2/209
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