The possible role of the tumour necrosis factor polymorphisms and human leucocyte antigens in the development of prostate cancer (CROSBI ID 241208)
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Štingl Janković, Katarina ; Hudolin, Tvrtko ; Kaštelan, Željko ; Žunec, Renata ; Grubić, Zorana
engleski
The possible role of the tumour necrosis factor polymorphisms and human leucocyte antigens in the development of prostate cancer
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 HLADRB1* 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 HLADRB1 and TNF regions in PC aetiology.
TNF ; HLA ; prostate cancer
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