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Grifola frondosa Polysaccharide Ameliorates Inflammation by Regulating Macrophage Polarization of Liver in Type 2 Diabetes Mellitus Rats
Scope: Grifola frondosa polysaccharide (GFP) has a positive effect in regulating type 2 diabetes mellitus (T2DM), but the understanding of its regulatory mechanism is still limited. Accumulating evidence suggests that hepatic inflammation is crucial in the onset and progression of insulin resistance (IR) and T2DM. However, the question of whether GFP can modulate T2DM via regulating hepatic inflammation and the underlying mechanism has not yet been reported. Methods and
results: High-fat diet (HFD) fed combined with streptozocin (STZ) injections rat model and Lipopolysaccharides (LPS)-treated bone marrow-derived macrophages (BMDM) model are used. The results showed that GFP intervention reduces weight loss and hyperglycemia symptoms, besides lowers FINS, HOMA-IR, IPGTT-AUC, and IPITT-AUC in T2DM rats. Meanwhile, GFP intervention reduces the secretion level of inflammatory factors and increases the secretion level of anti-inflammatory factors in the liv er tissue of T2DM rats. Furthermore, GFP reduces macrophage infiltration in liver tissue, inhibits macrophage M1-type polarization, and promotes M2-type polarization. Conclusions: These results suggest that GFP intervention could attenuate the hepatic inflammatory and insulin resistance in T2DM rats by inhibiting hepatic macrophage infiltration and modulating M1/M2 polarization. The findings provide new evidence for GFP in the early prevention and treatment of T2DM. © 2024 Wiley-VCH GmbH.
Authors : Zou P.; Li X.; Wang L.; She Y.; Xiao C.; Peng Y.; Qian X.; Luo P.; Wei S.
Source : John Wiley and Sons Inc
Article Information
| Year | 2024 |
| Type | Article |
| DOI | 10.1002/mnfr.202400392 |
| ISSN | 16134125 |
| Volume | 68 |
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