Department of Biochemistry, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
Department of Biochemistry, Faculty of Pharmacy, Sohag University, Sohag, Egypt.
Eur J Pharmacol. 2023 Oct 15;957:175993. doi: 10.1016/j.ejphar.2023.175993. Epub 2023 Aug 19.
Benign prostatic hyperplasia (BPH) poses a significant health concern amongst elderly males. Canagliflozin (Cana), a selective sodium-glucose co-transporter 2 (SGLT2) inhibitor, has a powerful anti-inflammatory influence. Nevertheless, its role in treating BPH has not been clarified. Therefore, the study aimed to investigate the potential ameliorative effect of Cana on experimentally induced BPH in rats and explore the underlying mechanisms compared to the standard finasteride (Fin). The study employed histological analysis, biochemical assays using ELISA, and western blotting. Animals were categorized into four groups: Control (2.5 ml/kg CMC, orally + 3 ml/kg olive oil, subcutaneous), BPH (3 mg/kg testosterone, subcutaneous + CMC orally), Fin-treated BPH (5 mg/kg, orally), and Cana-treated BPH (5 mg/kg, orally), for 28 days. The BPH group showed obvious BPH manifestations including an increase in prostate weight (PW), prostate index (PI), dihydrotestosterone (DHT) level, and histological aberrations compared to control. Fin and Cana therapy had a comparable impact. Cana treatment significantly reduced PW and PI, besides it improved prostatic biochemical, and histopathological features compared to BPH, consistent with in silico study findings. Cana was associated with downregulation of the androgen axis, increased miR-128b expression, with a lowered expression of epidermal growth factor (EGF) and its receptor. Phosphorylation of STAT3 and its downstream proliferative markers were significantly reduced suggesting apoptotic activity. Cana markedly rescued the BPH-induced upregulation of IL-1β, and iNOS levels. Altogether, the current study demonstrates that Cana could impede BPH progression, possibly by modulating miR-128b/EGFR/EGF and JAK2/STAT3 pathways and downregulating AR, cyclin D1, and PCNA immunoreactivity.
良性前列腺增生症 (BPH) 是老年男性健康的重大隐患。坎格列净 (Cana) 是一种选择性钠-葡萄糖协同转运蛋白 2 (SGLT2) 抑制剂,具有强大的抗炎作用。然而,其在治疗 BPH 中的作用尚未阐明。因此,本研究旨在探讨坎格列净对实验性大鼠 BPH 的潜在改善作用,并与标准药物非那雄胺 (Fin) 进行比较,研究其潜在机制。该研究采用组织学分析、ELISA 生化分析和 Western blot 分析。动物分为四组:对照组 (2.5ml/kg CMC,口服+3ml/kg 橄榄油,皮下)、BPH 组 (3mg/kg 睾酮,皮下+CMC 口服)、Fin 治疗的 BPH 组 (5mg/kg,口服) 和 Cana 治疗的 BPH 组 (5mg/kg,口服),治疗 28 天。BPH 组与对照组相比,前列腺重量 (PW)、前列腺指数 (PI)、二氢睾酮 (DHT) 水平和组织学异常明显增加。Fin 和 Cana 治疗有类似的影响。与 BPH 相比,Cana 治疗可显著降低 PW 和 PI,并改善前列腺生化和组织病理学特征,与计算机模拟研究结果一致。Cana 与下调雄激素轴、增加 miR-128b 表达、降低表皮生长因子 (EGF) 及其受体表达有关。磷酸化 STAT3 及其下游增殖标志物的表达明显降低,提示凋亡活性。Cana 可显著抑制 BPH 诱导的 IL-1β 和 iNOS 水平升高。总之,本研究表明,坎格列净可能通过调节 miR-128b/EGFR/EGF 和 JAK2/STAT3 途径以及下调 AR、细胞周期蛋白 D1 和 PCNA 免疫反应性来阻止 BPH 进展。