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1.
Nat Prod Bioprospect ; 14(1): 25, 2024 Apr 24.
Artículo en Inglés | MEDLINE | ID: mdl-38656633

RESUMEN

Breviscapine, a natural flavonoid mixture derived from the traditional Chinese herb Erigeron breviscapus (Vant.) Hand-Mazz, has demonstrated a promising potential in improving diabetic nephropathy (DN). However, the specific active constituent(s) responsible for its therapeutic effects and the underlying pharmacological mechanisms remain unclear. In this study, we aimed to investigate the impact of scutellarin, a constituent of breviscapine, on streptozotocin-induced diabetic nephropathy and elucidate its pharmacological mechanism(s). Our findings demonstrate that scutellarin effectively ameliorates various features of DN in vivo, including proteinuria, glomerular expansion, mesangial matrix accumulation, renal fibrosis, and podocyte injury. Mechanistically, scutellarin appears to exert its beneficial effects through modulation of the transforming growth factor-ß1 (TGF-ß1) signaling pathway, as well as its interaction with the extracellular signal-regulated kinase (Erk) and Wnt/ß-catenin pathways.

2.
Biol Pharm Bull ; 2023 Oct 17.
Artículo en Inglés | MEDLINE | ID: mdl-37853616

RESUMEN

Breviscapine, a natural flavonoid mixture derived from the traditional Chinese herb Erigeron breviscapus (Vant.) Hand-Mazz, has demonstrated a promising potential in improving diabetic nephropathy (DN). However, the specific active constituent(s) responsible for its therapeutic effects and the underlying pharmacological mechanisms remain unclear. In this study, we aimed to investigate the impact of scutellarin, a constituent of breviscapine, on streptozotocin-induced diabetic nephropathy and elucidate its pharmacological mechanism(s). Our findings demonstrate that scutellarin effectively ameliorates various features of DN in vivo, including proteinuria, glomerular expansion, mesangial matrix accumulation, renal fibrosis, and podocyte injury. Mechanistically, scutellarin appears to exert its beneficial effects through modulation of the TGF-ß1 signaling pathway, as well as its interaction with the Erk and Wnt/ß-catenin pathways.

3.
Eur J Pharmacol ; 956: 175942, 2023 Oct 05.
Artículo en Inglés | MEDLINE | ID: mdl-37536624

RESUMEN

As a global epidemic disease, obesity causes dysfunction of glucose and lipid metabolism leading to persistently high morbidity and mortality. Given the difficulty to achieve and maintain weight loss through controlling diet and physical exercise, pharmacotherapy is considered an effective treatment for obesity. This investigation revealed that alisol B, a triterpene monomer isolated from the classical Chinese medicine Alisma orientale (Sam.) Juzep, functioned in suppressing adipogenesis and reducing the mass of subcutaneous adipose tissue, resulting in the reduction of weight gain, and improvements of hyperglycemia, hyperlipidemia, and insulin resistance in HFD-induced obese mice. In consistent to the results, alisol B also significantly inhibited adipocyte differentiation and maturation in vitro. Furthermore, our data revealed that the effects of alisol B on adipogenesis were mediated by LKB1-AMPK signaling pathway. In total, alisol B could be a potential lead compound which contributes to the improvement of obesity-related metabolic disorders.


Asunto(s)
Proteínas Quinasas Activadas por AMP , Obesidad , Ratones , Animales , Obesidad/tratamiento farmacológico , Obesidad/etiología , Grasa Subcutánea , Colestenonas/farmacología , Colestenonas/uso terapéutico , Adipogénesis , Dieta Alta en Grasa/efectos adversos , Tejido Adiposo , Ratones Endogámicos C57BL
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