• Lijie Sun, Jixuan Lu, Dengju Yao, Xinyu Li, Yan Cao, Jie Gao, Jiangwen Liu, Tiansheng Zheng, Huihui Wang, and Xiaorong Zhan.
• Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, China.
• Prev Med. 2023 Aug 1; 173: 107576107576.

AbstractType 2 diabetes mellitus (T2DM) is a complex disease caused by multiple factors, which are often accompanied by the disorder of glucose and lipid metabolism and the lack of vitamin D.Over the years, researchers have conducted numerous studies into the pathogenesis and prevention strategies of diabetes. In this study, diabetic SD rats were randomly divided into type 2 diabetes group, vitamin D intervention group, 7-dehydrocholesterole reductase (DHCR7) inhibitor intervention group, simvastatin intervention group, and naive control group. Before and 12 weeks after intervention, liver tissue was extracted to isolate hepatocytes. Compared with naive control group, in the type 2 diabetic group without interference, the expression of DHCR7 increased, the level of 25(OH)D3 decreased, the level of cholesterol increased. In the primary cultured naive and type 2 diabetic hepatocytes, the expression of genes related to lipid metabolism and vitamin D metabolism were differently regulated in each of the 5 treatment groups. Overall, DHCR7 is an indicator for type 2 diabetic glycolipid metabolism disorder and vitamin D deficiency. Targeting DHCR7 will help with T2DM therapy.The management model of comprehensive health intervention can timely discover the disease problems of diabetes patients and high-risk groups and reduce the incidence of diabetes.Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.

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