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The possible role of the tumour necrosis factor polymorphisms and human leucocyte antigens in the development of prostate cancer

机译:肿瘤坏死因子多态性和人类白细胞抗原在前列腺癌发展中的可能作用

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The cause of prostate cancer (PC), one of the most common cancers found among ageing men, remains unclear, but genetic predisposition is believed to play a major role in its aetiology. The aim of the study was to examine HLA genes polymorphism and TNF polymorphisms in PC development. Patients diagnosed with PC (N = 113) and 150 healthy individuals were tested for HLA-A, HLA-B and HLA-DRB1 genes and for TNFa, TNFb and TNFd microsatellites. The comparison of patients and controls revealed a positive association of HLA-DRB1*12, TNFa2 and TNFb5, and a negative association of HLA-DRB1*13 and TNFb4 with PC. A division of patients into groups according to age, pre-operative PSA level, Gleason score (GS) and involvement of prostatic capsule, seminal vesicles or bladder neck and perineural invasion of PC demonstrated the following: a positive correlation of HLA-DRB1*12 and a negative correlation of HLA-DRB1*13 with younger patients (<65 years), GS > 7 and the positive association of prostatic capsule, seminal vesicles, bladder neck and perineural invasion of PC; TNFb4 allele's negative association with older patients displaying higher PSA levels, higher GS and positive surrounding tissue involvement; positive association of TNFb5 allele for both older and younger patients. Investigation of HLA genes and TNF microsatellites demonstrated a possible role of HLA-DRB1 and TNF regions in PC aetiology.
机译:前列腺癌(PC)是衰老男性中最常见的癌症之一,其病因尚不清楚,但据认为遗传易感性在其病因中起主要作用。这项研究的目的是检查PC开发中的HLA基因多态性和TNF多态性。对诊断为PC的患者(N = 113)和150名健康个体进行了HLA-A,HLA-B和HLA-DRB1基因以及TNFa,TNFb和TNFd微卫星测试。患者和对照组的比较显示,HLA-DRB1 * 12,TNFa2和TNFb5呈正相关,而HLA-DRB1 * 13和TNFb4与PC呈负相关。根据年龄,术前PSA水平,Gleason评分(GS)以及前列腺包膜,精囊或膀胱颈受累以及PC的神经浸润程度将患者分为几类:HLA-DRB1 * 12正相关HLA-DRB1 * 13与年轻患者(<65岁),GS> 7呈负相关,与前列腺包膜,精囊,膀胱颈和PC的神经周浸润呈正相关; TNFb4等位基因与老年患者呈负相关,表现出较高的PSA水平,较高的GS和周围组织受累;不论年龄大小,年轻患者的TNFb5等位基因均呈正相关。对HLA基因和TNF微卫星的研究表明,HLA-DRB1和TNF区域可能在PC病因中发挥作用。

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