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BMC Urol:他达拉非抑制非细菌性前列腺炎的炎症反应

2020-03-05 不详 网络

慢性炎症被认为是良性前列腺增生(BPH)和下尿路症状(LUTS)发展的主要病因。他达拉非是一种磷酸二酯酶5型抑制剂(PDE5-I),用于治疗BPH-LUTS,已知它可作用于多个泌尿器官。在这项针对前列腺的研究中,我们检查了他达拉非对大鼠非细菌性前列腺炎(NBP)模型中病理变化和炎性因子的影响。将40只10个月大的雄性Wistar大鼠分为非细菌性前列腺炎(NBP),接受他达拉非治疗的NBP(NBP-

慢性炎症被认为是良性前列腺增生(BPH)和下尿路症状(LUTS)发展的主要病因。他达拉非是一种磷酸二酯酶5型抑制剂(PDE5-I),用于治疗BPH-LUTS,已知它可作用于多个泌尿器官。在这项针对前列腺的研究中,我们检查了他达拉非对大鼠非细菌性前列腺炎(NBP)模型中病理变化和炎性因子的影响。

将40只10个月大的雄性Wistar大鼠分为非细菌性前列腺炎(NBP),接受他达拉非治疗的NBP(NBP-他达拉非),对照组和接受他达拉非(对照组-他达拉非)治疗的对照组(每组n = 10)。将NBP和NBP-他达拉非组去势,然后每天皮下注射17β-雌二醇30天。对照组他达拉非和NBP-他达拉非组每天口服他达拉非30天。然后处死所有大鼠,并在前列腺组织中评估病理变化和炎性因子。

结果显示,在NBP组中,腹侧前列腺中的基质与上皮(S / E)的比例明显高于对照组(P <0.001)。在NBP-他达拉非组中,S / E比明显低于NBP组(P <0.001)。 NBP-他达拉非组的巨噬细胞水平和T细胞浸润程度明显低于NBP组(分别为P << 0.005; P << 0.001)。与NBP组相比,NBP-他达拉非组的炎症细胞因子(如肿瘤坏死因子-α,白细胞介素8和白细胞介素1β)的组织浓度显著下调(分别P <0.01; P <0.05; P <0.005)。

总之,他达拉非在大鼠NBP模型中抑制基质优势并显示抗炎作用,并与炎症细胞因子的下调有关。

原始出处:

Mikio Sugimoto, Xia Zhang, et al., A phosphodiesterase 5 inhibitor, tadalafil, suppresses stromal predominance and inflammation in a rat model of nonbacterial prostatitis. BMC Urol. 2019; 19: 99. doi: 10.1186/s12894-019-0525-x

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