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1.
Article in Chinese | WPRIM | ID: wpr-237254

ABSTRACT

<p><b>OBJECTIVE</b>To assess the association of a single nucleotide polymorphism(SNP) in tumor suppressor gene P53 with the risk of endometriosis (EM) in Han Chinese women.</p><p><b>METHODS</b>For 460 EM patients, 113 patients with endometrial carcinoma and 530 matched unrelated controls, a rs1042522(C/G) SNP of the P53 gene was genotyped by polymerase chain reaction-single strand polymorphism (PCR-SSP) and DNA sequencing.</p><p><b>RESULTS</b>A significant difference has been detected in the distribution of rs1042522 alleles and genotypes between the EM patients and controls (P< 0.01). Allele G has increased the risk of EM by 1.209 times, while allele C has reduced this risk by 0.837 times. Compared with GG genotype, GC and CC genotypes have both increased the risk for EM (OR=2.073, 95%CI: 1.521-2.820, and OR=1.930, 95%CI: 1.363-2.733, respectively). Significant differences were also detected in the distribution of rs1042522 alleles and genotypes between endometrial carcinoma patients and controls (P< 0.01). Allele G has increased the risk to endometrial carcinoma by 1.311 times, while allele C has reduced this risk by 0.757 times. Compared with GG genotypes, individuals with GC and CC genotypes are more likely to be affected with endometrial carcinoma (OR=2.778, 95%CI: 1.585-4.870, and OR=2.864, 95%CI: 1.557-5.263, respectively).</p><p><b>CONCLUSION</b>Our study has suggested a significant association between the rs1042522(G/C) polymorphism and susceptibility to EM in Han Chinese women. The mechanism of EM is similar to carcinoma from genetics point of view.</p>


Subject(s)
Alleles , Asians , Base Sequence , China , Endometrial Neoplasms , Genetics , Endometriosis , Genetics , Female , Gene Frequency , Genetic Predisposition to Disease , Genotype , Humans , Odds Ratio , Polymorphism, Single Nucleotide , Tumor Suppressor Protein p53 , Genetics
2.
Article in Chinese | WPRIM | ID: wpr-245366

ABSTRACT

<p><b>OBJECTIVE</b>To make a comparative study of HLA-DQA1 and HLA-DRB1 allele frequencies in the cases of endometriosis and adeonmyosis.</p><p><b>METHODS</b>The allelic types of HLA-DQA1 and HLA-DRB1 were detected by polymerase chain reaction-sequence specific primers (PCR-SSP) technique in 51 cases of endometriosis, 45 cases of adenomyosis, and 44 normal individuals as the control.</p><p><b>RESULTS</b>The frequencies of HLA-DQA1*0401(7.8%, 10.0%) were significantly increased in the endometriosis group and the adenomyosis group (Pc=0.03, Pc=0.01), and the frequencies of HLA-DQA1*0301(8.8%, 5.6%) were significantly decreased in these two groups (Pc=0.00, Pc=0.00).There was no significant difference between the frequencies of HLA-DQA1 and HLA-DRB1 of endometriosis and adenomyosis.</p><p><b>CONCLUSION</b>The results indicate that HLA-DQA1*0301 and *0401 alleles are associated with both endometriosis and adenomyosis, and there is perhaps common mechanism involved in both endometriosis and adenomyosis based on HLA-DQA1 and HLA-DRB1 allele frequencies.</p>


Subject(s)
Asians , Genetics , Endometriosis , Genetics , Female , Gene Frequency , Genetic Predisposition to Disease , Genotype , HLA-DQ Antigens , Genetics , HLA-DQ alpha-Chains , HLA-DR Antigens , Genetics , HLA-DRB1 Chains , Humans , Polymerase Chain Reaction , Methods
3.
Article in Chinese | WPRIM | ID: wpr-519520

ABSTRACT

AIM: To investigate the association between HBV infection and HLA-DPB1 gene in population of Guangzhou Chinese. METHODS: 58 unrelated patients (test positive of HbsAg,HBeAg,HbcAb) and 75 unrelated healthy control individuals were typed by sequencing based typing (SBT) method in their HLA-DPB1 gene. RESULTS: The phenotype frequencies of HLA-DPB1 alleles of patients and control have no significant difference. CONCLUSION: These results indicate that there is no association between HLA-DPB1 gene and HBV infection.

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