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Preventive Effect of Royal Jelly and 10-HDA on Skin Damage in Diabetic Mice through Regulating Keratinocyte Wnt/β-Catenin and Pyroptosis Pathway
Molecular Nutrition & Food Research ( IF 4.5 ) Pub Date : 2024-09-09 , DOI: 10.1002/mnfr.202400098
Xinqi Huang 1 , Lu Xiu 2 , Yumei An 1 , Yuan Gong 2 , Sunao Li 1 , Xueshi Chen 1 , Chao Liu 1 , Jianghuiwen Lu 1 , Haiyan Shan 3 , Jie Chang 2 , Mingyang Zhang 1
Affiliation  

The objective of this study is to elucidate how Royal jelly (RJ) and 10-hydroxy-2-decanoic acid (10-HDA) prevents diabetic skin dysfunction by modulating the pyroptosis pathway. Type 2 diabetes models are induced by fat diet consumption and low dose of streptozotocin (STZ) in C57BL/6J mice and treated with RJ (100 mg kg–1 day–1) and 10-HDA, the major lipid component of royal jelly (100 mg kg−1 day−1) for 28 weeks. The results show that serum concentrations of glucose and triglyceride are significantly lower in the RJ group or 10-HDA than diabetes mellitus (DM) group. Compared to the control group, pyroptosis proteins, GSDMD, ASC, Caspase-1, and IL-1β are increased in the skin of the diabetic model, accompanied by the activation of the Wnt/β-catenin signal pathway. Further evaluations by RJ exhibit superior improvement of skin damage, repress activation of the Wnt/β-catenin pathway, and attenuate keratinocyte pyroptosis, but 10-HDA cannot completely suppress the activation of Wnt/β-catenin pathway and pyroptosis, which shows a relatively weak protective effect on skin damage which shows that RJ is a better effect on skin injury after DM.

中文翻译:


蜂王浆和 10-HDA 通过调节角质形成细胞 Wnt/β-catenin 和焦亡通路对糖尿病小鼠皮肤损伤的预防作用



本研究的目的是阐明蜂王浆 (RJ) 和 10-羟基-2-癸酸 (10-HDA) 如何通过调节细胞焦亡途径来预防糖尿病皮肤功能障碍。在 C57BL/6J 小鼠中通过脂肪饮食消耗和低剂量链脲佐菌素 (STZ) 诱导 2 型糖尿病模型,并用 RJ (100 mg kg-1-1) 和 10-HDA(蜂王浆的主要脂质成分 (100 mg kg-1-1)处理 28 周。结果表明,RJ 组或 10-HDA 的血清葡萄糖和甘油三酯浓度显著低于糖尿病 (DM) 组。与对照组相比,糖尿病模型皮肤中的细胞焦亡蛋白、 GSDMD 、 ASC 、 Caspase-1 和 IL-1β 增加,伴随着 Wnt/β-catenin 信号通路的激活。RJ 的进一步评估显示,皮肤损伤得到显著改善,抑制 Wnt/β-catenin 通路的激活,减弱角质形成细胞焦亡,但 10-HDA 不能完全抑制 Wnt/β-catenin 通路的激活和焦亡,对皮肤损伤的保护作用相对较弱,表明 RJ 对 DM 后皮肤损伤效果更好。
更新日期:2024-09-09
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