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Shenkang Injection protects against diabetic nephropathy in streptozotocin (STZ)-induced mice through enhancement of anti-oxidant and anti-inflammatory activities / 中草药·英文版
Chinese Herbal Medicines ; (4): 289-296, 2020.
Artículo en Chino | WPRIM | ID: wpr-842013
ABSTRACT

Objective:

To investigate the protective effects and possible mechanisms of Shenkang Injection (SKI) on the diabetic nephropathy in streptozotocin-induced mice.

Methods:

STZ with the feeding of high fat diet (HFD) was used to induce diabetic mice. The balb/c mice and diabetic mice were then randomly divided into five groups (1) control group, (2) model group, (3) alprostadil (Alp, 1.5 μg/kg) group, (4) SKI (30 ml/kg) group, (5) Alp (1.5 μg/kg) + SKI (15 ml/kg) group. After six weeks' treatment, blood, urine and kidney tissues were collected for biochemical assay, ELISA assay, and pathological analysis.

Results:

Diabetic mice exhibited evident manifestations of diabetic nephropathy (DN), as indicated by increased 24-h urine volume, urinary albumin and kidney weight index (P < 0.01), which could be attenuated by SKI treatment (P < 0.01). SKI was further found to improve abnormal morphology in glomerulus with increased glomerular volume and to decrease urinary N-acetyl-b-D-glucpsaminidase (NAG), β2-microglobulin (β2-MG), and kidney injury molecules-1 (KIM-1) levels (P < 0.05, P < 0.01). Plasma levels of anti-oxidant enzymes significantly reduced in the diabetic mice, and those decreases could be reversed by SKI and Alp treatments. Additionally, SKI obviously suppressed the diabetes-induced increases of pro-inflammatory cytokines (IL-6, IL-1β and TNF-α) (P < 0.01). Meanwhile, SKI was found to effectively attenuate the diabetes-induced coagulation dysfunction, as evidenced by lengthening prothrombin and thrombin time, and decreasing plasma levels of fibrinogen (FIB), 6-K-PGF1α and thromboxane B2 (TXB2) (P < 0.05, P < 0.01). With SKI and Alp combined treatment, the anti-oxidant activities and improvements of coagulation dysfunction were enhanced.

Conclusion:

SKI possesses a remarkable property to prevent diabetic nephropathy. The improvements of kidney function and hypercoagulability by SKI were enhanced with Alp combined treatment. The molecular mechanisms underlying the protection of SKI against DN may be related to enhancing the anti-oxidant and anti-inflammatory activities, and improving the coagulation dysfunction.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Herbal Medicines Año: 2020 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Herbal Medicines Año: 2020 Tipo del documento: Artículo