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Comprehensive study of dexamethasone on albumin biogenesis during normal and pathological renal conditions
Pharmaceutical Biology ( IF 3.8 ) Pub Date : 2020-01-01 , DOI: 10.1080/13880209.2020.1855214
Qin Gong 1, 2 , Jilei Yin 3 , Mulan Wang 2 , Luling He 1, 2 , Fan Lei 4 , Yingying Luo 1, 2 , Shilin Yang 1, 2 , Yulin Feng 1, 2 , Jun Li 1, 2 , Lijun Du 1, 2, 4
Affiliation  

Abstract Context Dexamethasone (DXM) has an anti-immunoinflammatory effect, and is often used in acute kidney injury (AKI). However, the effects of DXM on albumin (ALB) have not been fully studied. Objective To investigate the effects of DXM on ALB production and renal function. Materials and methods Male Wistar rats were divided into normal and DXM groups (0.25, 0.5, 1 mg/kg for 5 days) (n = 15) for a dose-dependent study. Rats were divided into normal group and DXM groups (0.5 mg/kg for 3, 5, 7 days) (n = 9) for a time-dependent study. In AKI experiment, rats were divided into normal (saline), cisplatin (CP, 5 mg/kg, i.v.), CP + DXM groups (0.25, 0.5 and 1 mg/kg, i.m.) (n = 16). The blood and the organs were isolated for analysis. Results In normal, serum ALB (sALB) and serum total protein (sTP) increased in DXM group with sALB increased 19.8–32.2% (from small to large dosages); and 30.2–32.5.6% (from 3 to 7 days of DXM); sTP 15.7–22.6% and 14.2–24.3%; urine ALB (uALB) 31.5–392.3%, and 1047.2–1390.8%; urine TP (uTP) 0.68–173.1% and 98.0–504.9%, compared with normal groups. DXM increased the mRNA expression of Cebp and Hnf, suppressing podocin. In AKI, DXM decreased serum BUN (53.7%), serum Cre (73.4%), sALB (30.0%), sTP (18.7%), uALB (74.5%), uTP (449.3%), rescuing the suppressed podocin in kidney. Conclusions DXM acts on Cebp and Hnf and promotes ALB production. This finding helps to evaluate the rationale of DXM for kidney injury.

中文翻译:

地塞米松在正常和病理肾脏条件下对白蛋白生物合成的综合研究

摘要 背景 地塞米松(DXM)具有抗免疫炎症作用,常用于急性肾损伤(AKI)。然而,DXM 对白蛋白 (ALB) 的影响尚未得到充分研究。目的探讨DXM对ALB产生及肾功能的影响。材料和方法 将雄性 Wistar 大鼠分为正常组和 DXM 组(0.25、0.5、1 mg/kg,持续 5 天)(n = 15)进行剂量依赖性研究。将大鼠分为正常组和 DXM 组(0.5 mg/kg,3、5、7 天)(n = 9)进行时间依赖性研究。在 AKI 实验中,将大鼠分为正常组(生理盐水)、顺铂组(CP,5 mg/kg,iv),CP + DXM 组(0.25、0.5 和 1 mg/kg,im)(n = 16)。分离血液和器官用于分析。结果 正常情况下,DXM组血清ALB(sALB)和血清总蛋白(sTP)升高,sALB升高19.8-32。2%(从小剂量到大剂量);和 30.2–32.5.6%(DXM 的 3 到 7 天);sTP 15.7–22.6% 和 14.2–24.3%;尿 ALB (uALB) 31.5–392.3% 和 1047.2–1390.8%;与正常组相比,尿 TP (uTP) 为 0.68-173.1% 和 98.0-504.9%。DXM 增加了 Cebp 和 Hnf 的 mRNA 表达,抑制了 podocin。在 AKI 中,DXM 降低血清 BUN (53.7%)、血清 Cre (73.4%)、sALB (30.0%)、sTP (18.7%)、uALB (74.5%)、uTP (449.3%),挽救肾脏中被抑制的 Podocin。结论 DXM 作用于 Cebp 和 Hnf 并促进 ALB 的产生。这一发现有助于评估 DXM 对肾损伤的基本原理。DXM 增加了 Cebp 和 Hnf 的 mRNA 表达,抑制了 podocin。在 AKI 中,DXM 降低血清 BUN (53.7%)、血清 Cre (73.4%)、sALB (30.0%)、sTP (18.7%)、uALB (74.5%)、uTP (449.3%),挽救肾脏中被抑制的 Podocin。结论 DXM 作用于 Cebp 和 Hnf 并促进 ALB 的产生。这一发现有助于评估 DXM 对肾损伤的基本原理。DXM 增加了 Cebp 和 Hnf 的 mRNA 表达,抑制了 podocin。在 AKI 中,DXM 降低血清 BUN (53.7%)、血清 Cre (73.4%)、sALB (30.0%)、sTP (18.7%)、uALB (74.5%)、uTP (449.3%),挽救肾脏中被抑制的 Podocin。结论 DXM 作用于 Cebp 和 Hnf 并促进 ALB 的产生。这一发现有助于评估 DXM 对肾损伤的基本原理。
更新日期:2020-01-01
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