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Wang Y, Zhou W, Liu D, Zhang Z, Xu Y, Wan X, Yu H, Yan S. Exploration of the molecular mechanism of insulin resistance in adipose tissue of patients with type 2 diabetes mellitus through a bioinformatic analysis. Minerva Endocrinol (Torino) 2023; 48:440-446. [PMID: 37534872 DOI: 10.23736/s2724-6507.22.03771-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
BACKGROUND We aimed to determine the cis-expression Quantitative Trait Loci (cis-eQTL) and trans-eQTL of differentially expressed genes (DEGs) in insulin resistance (IR) related pathways. METHODS The expression profile data for insulin sensitivity (IS) and IR in the adipose tissue of patients with type 2 diabetes mellitus (T2DM) were acquired from the Gene Expression Omnibus databases. Then, the Gene set enrichment analysis (GSEA) and Gene set variation analysis (GSVA) methods were performed to identify the significant enrichment of potential Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways between IS and IR groups, and the Wilcoxon rank sum test was carried out to identify the DEGs related to KEGG pathways. Finally, the cis-eQTLs and trans-eQTLs that can affect the expression of DEGs were screened from the eQTLGen database. RESULTS The GSEA and GSVA analysis indicated that the mTOR signaling pathway, insulin signaling pathway and T2DM had a strong correlation with the pathological process of T2DM. Furthermore, six genes (ACACA, GYS2, PCK1, PRKAR1A, SLC2A4, and VEGFA) were found to be significantly differentially expressed in IR-related pathways. Finally, we have identified a total of 1073 cis-eQTLs and 24 trans-eQTLs. CONCLUSIONS We screened out six genes that were significantly differentially expressed in IR-related pathways, including ACACA, GYS2, PCK1, PRKAR1A, SLC2A4, and VEGFA. Moreover, we discovered that these six genes were affected by 1073 cis-eQTLs and 24 trans-eQTLs.
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Affiliation(s)
- Yujing Wang
- Department of Endocrinology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Weiyu Zhou
- Department of Endocrinology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Dana Liu
- Department of Endocrinology, The First Hospital, Harbin, China
| | - Zhiying Zhang
- Department of Endocrinology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yuanxin Xu
- Department of Endocrinology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiaojing Wan
- Department of Endocrinology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Haiqiao Yu
- Department of Endocrinology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Shuang Yan
- Department of Endocrinology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China -
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Liu X, Cai S, Yi J, Chu C. Chinese Sumac Fruits ( Rhus chinesis Mill.) Alleviate Type 2 Diabetes in C57BL/6 Mice through Repairing Islet Cell Functions, Regulating IRS-1/PI3K/AKT Pathways and Promoting the Entry of Nrf2 into the Nucleus. Nutrients 2023; 15:4080. [PMID: 37764863 PMCID: PMC10535436 DOI: 10.3390/nu15184080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023] Open
Abstract
This research aimed to probe the potential alleviative effects of ethanol extracts of Chinese sumac (Rhus chinesis Mill.) fruits against type 2 diabetes mellitus (T2DM) in C57BL/6 mice induced by high-fat/high-fructose diet (HFFD) and streptozotocin. The results showed that the ethanol extracts could significantly regulate blood glucose levels, glycosylated hemoglobin, blood lipids, insulin, and insulin resistance, while also restoring endogenous oxidative stress. Pathological and immunohistochemical analyses revealed that the extracts partially restored the physiological function of islet cells. Furthermore, Western blotting results suggested that the extracts could regulate the protein expression in IRS-1/PI3K/AKT signaling pathway, and immunofluorescence findings demonstrated their potential to promote the translocation of Nrf2 into the nucleus. This study elucidated a novel finding that ethanol extracts derived from Chinese sumac fruits have the potential to alleviate symptoms of T2DM in mice. Moreover, these findings could offer valuable scientific insights into the potential utilization of R. chinensis fruits as nutritional supplement and/or functional food to prevent or ameliorate diabetes.
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Affiliation(s)
- Xiaojing Liu
- Faculty of Food Science and Engineering, Yunnan Institute of Food Safety, Kunming University of Science and Technology, Kunming 650500, China; (X.L.); (S.C.); (J.Y.)
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Shengbao Cai
- Faculty of Food Science and Engineering, Yunnan Institute of Food Safety, Kunming University of Science and Technology, Kunming 650500, China; (X.L.); (S.C.); (J.Y.)
- Yunnan Engineering Research Center for Fruit & Vegetable Products, Kunming 650500, China
- Green Food Processing International Science and Technology R & D Center of Kunming City, Kunming 650500, China
| | - Junjie Yi
- Faculty of Food Science and Engineering, Yunnan Institute of Food Safety, Kunming University of Science and Technology, Kunming 650500, China; (X.L.); (S.C.); (J.Y.)
- Yunnan Engineering Research Center for Fruit & Vegetable Products, Kunming 650500, China
- Green Food Processing International Science and Technology R & D Center of Kunming City, Kunming 650500, China
| | - Chuanqi Chu
- Faculty of Food Science and Engineering, Yunnan Institute of Food Safety, Kunming University of Science and Technology, Kunming 650500, China; (X.L.); (S.C.); (J.Y.)
- Yunnan Engineering Research Center for Fruit & Vegetable Products, Kunming 650500, China
- Green Food Processing International Science and Technology R & D Center of Kunming City, Kunming 650500, China
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Liu H, Xing Y, Wang Y, Ren X, Zhang D, Dai J, Xiu Z, Yu S, Dong Y. Dendrobium officinale Polysaccharide Prevents Diabetes via the Regulation of Gut Microbiota in Prediabetic Mice. Foods 2023; 12:2310. [PMID: 37372523 DOI: 10.3390/foods12122310] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 05/30/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Dendrobium officinale polysaccharide (DOP), which serves as a prebiotic, exhibits a variety of biological activities, including hypoglycemic activities. However, the effects of DOP on diabetes prevention and its hypoglycemic mechanisms are still unclear. In this study, the effects of DOP treatment on the prediabetic mice model were studied and the mechanism was investigated. The results showed that 200 mg/kg/d of DOP reduced the relative risk of type 2 diabetes mellitus (T2DM) from prediabetes by 63.7%. Meanwhile, DOP decreased the level of LPS and inhibited the expression of TLR4 by regulating the composition of the gut microbiota, consequently relieving the inflammation and alleviating insulin resistance. In addition, DOP increased the abundance of SCFA (short chain fatty acid)-producing bacteria in the intestine, increased the levels of intestinal SCFAs, promoted the expression of short-chain fatty acid receptors FFAR2/FFAR3, and increased the secretion of the intestinal hormones GLP-1 and PYY, which helped to repair islet damage, suppress appetite, and improve insulin resistance. Our results suggested that DOP is a promising functional food supplement for the prevention of T2DM.
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Affiliation(s)
- Haodong Liu
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Yan Xing
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Yinbo Wang
- Dianxi Research Institute, Dalian University of Technology, Baoshan 678000, China
| | - Xinxiu Ren
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Danyang Zhang
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Jianying Dai
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Zhilong Xiu
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
- Dianxi Research Institute, Dalian University of Technology, Baoshan 678000, China
| | - Shiqiang Yu
- Dianxi Research Institute, Dalian University of Technology, Baoshan 678000, China
| | - Yuesheng Dong
- School of Bioengineering, Dalian University of Technology, Dalian 116024, China
- Dianxi Research Institute, Dalian University of Technology, Baoshan 678000, China
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Al-Hussan R, Albadr NA, Alshammari GM, Almasri SA, Yahya MA. Phloretamide Prevent Hepatic and Pancreatic Damage in Diabetic Male Rats by Modulating Nrf2 and NF-κB. Nutrients 2023; 15:nu15061456. [PMID: 36986192 PMCID: PMC10059022 DOI: 10.3390/nu15061456] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/07/2023] [Accepted: 03/14/2023] [Indexed: 03/22/2023] Open
Abstract
This study examined the effect of phloretamide, a metabolite of phloretin, on liver damage and steatosis in streptozotocin-induced diabetes mellitus (DM) in rats. Adult male rats were divided into two groups: control (nondiabetic) and STZ-treated rats, each of which was further treated orally with the vehicle phloretamide 100 mg or 200 mg. Treatments were conducted for 12 weeks. Phloretamide, at both doses, significantly attenuated STZ-mediated pancreatic β-cell damage, reduced fasting glucose, and stimulated fasting insulin levels in STZ-treated rats. It also increased the levels of hexokinase, which coincided with a significant reduction in glucose-6 phosphatase (G-6-Pase), and fructose-1,6-bisphosphatase 1 (PBP1) in the livers of these diabetic rats. Concomitantly, both doses of phloretamide reduced hepatic and serum levels of triglycerides (TGs) and cholesterol (CHOL), serum levels of low-density lipoprotein cholesterol (LDL-c), and hepatic ballooning. Furthermore, they reduced levels of lipid peroxidation, tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), mRNA, and total and nuclear levels of NF-κB p65, but increased mRNA levels, total and nuclear levels of Nrf2, as well as levels of reduced glutathione (GSH), superoxide dismutase (SOD-1), catalase (CAT), and heme-oxygenase-1 (HO-1) in the livers of diabetic rats. All of these effects were dose-dependent. In conclusion, phloretamide is a novel drug that could ameliorate DM-associated hepatic steatosis via its powerful antioxidant and anti-inflammatory effects. Mechanisms of protection involve improving the β-cell structure and hepatic insulin action, suppressing hepatic NF-κB, and stimulating hepatic Nrf2.
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Kuang Y, Zhao S, Liu P, Liu M, Wu K, Liu Y, Deng P, Li C, Jiang F. Schiff base type casein-konjac glucomannan conjugates with improved stability and emulsifying properties via mild covalent cross-linking. Food Hydrocoll 2023. [DOI: 10.1016/j.foodhyd.2023.108733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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Konjac Glucomannan: An Emerging Specialty Medical Food to Aid in the Treatment of Type 2 Diabetes Mellitus. Foods 2023; 12:foods12020363. [PMID: 36673456 PMCID: PMC9858196 DOI: 10.3390/foods12020363] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/14/2023] Open
Abstract
There are many factors causing T2DM; thus, it is difficult to prevent and cure it with conventional treatment. In order to realize the continuous intervention of T2DM, the treatment strategy of combining diet therapy and traditional medication came into being. As a natural product with the concept of being healthy, konjac flour and its derivatives are popular with the public. Its main component, Konjac glucomannan (KGM), can not only be applied as a food additive, which greatly improves the taste and flavor of food and extends the shelf life of food but also occupies an important role in T2DM. KGM can extend gastric emptying time, increase satiety, and promote liver glycogen synthesis, and also has the potential to improve intestinal flora and the metabolic system through a variety of molecular pathways in order to positively regulate oxidative stress and immune inflammation, and protect the liver and kidneys. In order to establish the theoretical justification for the adjunctive treatment of T2DM, we have outlined the physicochemical features of KGM in this article, emphasizing the advantages of KGM as a meal for special medical purposes of T2DM.
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Peter A, Tajudheen N, Ramamoorthy S. Antidiabetic effect of Borassus flabellifer L. extracts on streptozotocin-induced diabetic rats. BIOMEDICAL AND BIOTECHNOLOGY RESEARCH JOURNAL (BBRJ) 2023. [DOI: 10.4103/bbrj.bbrj_4_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
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Huang H, Chen J, Ao T, Chen Y, Xie J, Hu X, Yu Q. Exploration of the role of bound polyphenols on tea residues dietary fiber improving diabetic hepatorenal injury and metabolic disorders. Food Res Int 2022; 162:112062. [DOI: 10.1016/j.foodres.2022.112062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 09/12/2022] [Accepted: 10/16/2022] [Indexed: 11/04/2022]
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Huang H, Chen J, Chen Y, Xie J, Xue P, Ao T, Chang X, Hu X, Yu Q. Metabonomics combined with 16S rRNA sequencing to elucidate the hypoglycemic effect of dietary fiber from tea residues. Food Res Int 2022; 155:111122. [DOI: 10.1016/j.foodres.2022.111122] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 03/06/2022] [Accepted: 03/08/2022] [Indexed: 12/30/2022]
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Phytochemical profile and antidiabetic effect of the bioactive fraction of Cirsium setidens in streptozotocin-induced type 2 diabetic mice. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.02.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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11
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Bardill JR, Laughter MR, Stager M, Liechty KW, Krebs MD, Zgheib C. Topical gel-based biomaterials for the treatment of diabetic foot ulcers. Acta Biomater 2022; 138:73-91. [PMID: 34728428 PMCID: PMC8738150 DOI: 10.1016/j.actbio.2021.10.045] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/18/2021] [Accepted: 10/25/2021] [Indexed: 01/17/2023]
Abstract
Diabetic foot ulcers (DFUs) are a devastating ailment for many diabetic patients with increasing prevalence and morbidity. The complex pathophysiology of DFU wound environments has made finding effective treatments difficult. Standard wound care treatments have limited efficacy in healing these types of chronic wounds. Topical biomaterial gels have been developed to implement novel treatment approaches to improve therapeutic effects and are advantageous due to their ease of application, tunability, and ability to improve therapeutic release characteristics. Here, we provide an updated, comprehensive review of novel topical biomaterial gels developed for treating chronic DFUs. This review will examine preclinical data for topical gel treatments in diabetic animal models and clinical applications, focusing on gels with protein/peptides, drug, cellular, herbal/antioxidant, and nano/microparticle approaches. STATEMENT OF SIGNIFICANCE: By 2050, 1 in 3 Americans will develop diabetes, and up to 34% of diabetic patients will develop a diabetic foot ulcer (DFU) in their lifetime. Current treatments for DFUs include debridement, infection control, maintaining a moist wound environment, and pressure offloading. Despite these interventions, a large number of DFUs fail to heal and are associated with a cost that exceeds $31 billion annually. Topical biomaterials have been developed to help target specific impairments associated with DFU with the goal to improve healing. A summary of these approaches is needed to help better understand the current state of the research. This review summarizes recent research and advances in topical biomaterials treatments for DFUs.
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Affiliation(s)
- James R Bardill
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, University of Colorado Denver School of Medicine and Children's Hospital Colorado, Aurora, CO, USA
| | | | - Michael Stager
- Department of Chemical and Biological Engineering, Colorado School of Mines, Golden, CO, USA
| | - Kenneth W Liechty
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, University of Colorado Denver School of Medicine and Children's Hospital Colorado, Aurora, CO, USA
| | - Melissa D Krebs
- Department of Chemical and Biological Engineering, Colorado School of Mines, Golden, CO, USA
| | - Carlos Zgheib
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, University of Colorado Denver School of Medicine and Children's Hospital Colorado, Aurora, CO, USA.
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Zhao C, Shao P, Xu B. Polysaccharides: Structure, functionality, emulsion, colloid, and application. Food Res Int 2022; 151:110826. [PMID: 34980377 DOI: 10.1016/j.foodres.2021.110826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chao Zhao
- College of Food Science, Fujian Agricultural and Forestry University, China
| | - Ping Shao
- Department of Food Science and Technology, Zhejiang University of Technology, China
| | - Baojun Xu
- Food Science and Technology Program, BNU-HKBU United International College, China.
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