Zhonghua nan ke xue = National journal of andrology · 2013
[Expressions of differential proteins in the expressed prostatic secretion of patients with III A chronic prostatitis].
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Dai Xiao-Fan, Guo Kai-Min, Du Cong-Qi, Liu Ling-Yun, Li Fu-Biao, Wang Hong-Liang
Аннотация
OBJECTIVE: To study the expressions of differential proteins in the expressed prostatic secretion (EPS) of patients with III A chronic prostatitis and healthy men.
METHODS: We collected EPS samples from 35 patients with III A chronic prostatitis and 18 age-matched healthy men, and detected the differentially expressed proteins in EPS by MALDI-TOF/MS. Based on the data obtained, we conducted a statistical analysis on the mass-to-charge (m/z) ratios of different proteins and a retrieval analysis on the relevant proteins using the protein database.
RESULTS: In the comparative studies of the III A chronic prostatitis patients and healthy men, 5 proteins were detected as at least 2-fold differentially expressed, which were probably brevinin-2Eg, big endothelin-1, alpha-defensin 15, beta-defensin 134 and prostatic steroid-binding protein C2. The m/z ratios were significantly up-regulated in 3 372, 3 487, 425 and 5 325 Da proteins (P < 0.01) and down-regulated in 10631Da (P < 0.01).
CONCLUSION: Proteins are differentially expressed in the EPS of III A chronic prostatitis patients and healthy men, and these proteins may be significantly correlated with the development and progression of III A chronic prostatitis.
METHODS: We collected EPS samples from 35 patients with III A chronic prostatitis and 18 age-matched healthy men, and detected the differentially expressed proteins in EPS by MALDI-TOF/MS. Based on the data obtained, we conducted a statistical analysis on the mass-to-charge (m/z) ratios of different proteins and a retrieval analysis on the relevant proteins using the protein database.
RESULTS: In the comparative studies of the III A chronic prostatitis patients and healthy men, 5 proteins were detected as at least 2-fold differentially expressed, which were probably brevinin-2Eg, big endothelin-1, alpha-defensin 15, beta-defensin 134 and prostatic steroid-binding protein C2. The m/z ratios were significantly up-regulated in 3 372, 3 487, 425 and 5 325 Da proteins (P < 0.01) and down-regulated in 10631Da (P < 0.01).
CONCLUSION: Proteins are differentially expressed in the EPS of III A chronic prostatitis patients and healthy men, and these proteins may be significantly correlated with the development and progression of III A chronic prostatitis.