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Ding L, Sun Y, Liang Y, Zhang J, Fu Z, Ren C, Li P, Liu W, Xiao R, Wang H, Zhang Z, Yue X, Li C, Wu Z, Feng Y, Liang X, Ma C, Gao L. Beta-Cell Tipe1 Orchestrates Insulin Secretion and Cell Proliferation by Promoting Gαs/cAMP Signaling via USP5. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304940. [PMID: 38417114 PMCID: PMC11040358 DOI: 10.1002/advs.202304940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 02/09/2024] [Indexed: 03/01/2024]
Abstract
Inadequate β-cell mass and insulin secretion are essential for the development of type 2 diabetes (T2D). TNF-α-induced protein 8-like 1 (Tipe1) plays a crucial role in multiple diseases, however, a specific role in T2D pathogenesis remains largely unexplored. Herein, Tipe1 as a key regulator in T2D, contributing to the maintenance of β cell homeostasis is identified. The results show that the β-cell-specific knockout of Tipe1 (termed Ins2-Tipe1BKO) aggravated diabetic phenotypes in db/db mice or in mice with high-fat diet-induced diabetes. Notably, Tipe1 improves β cell mass and function, a process that depends on Gαs, the α subunit of the G-stimulating protein. Mechanistically, Tipe1 inhibited the K48-linked ubiquitination degradation of Gαs by recruiting the deubiquitinase USP5. Consequently, Gαs or cAMP agonists almost completely restored the dysfunction of β cells observed in Ins2-Tipe1BKO mice. The findings characterize Tipe1 as a regulator of β cell function through the Gαs/cAMP pathway, suggesting that Tipe1 may emerge as a novel target for T2D intervention.
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Affiliation(s)
- Lu Ding
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Yang Sun
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Yan Liang
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Jie Zhang
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Zhendong Fu
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Caiyue Ren
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Pengfei Li
- Department of EndocrinologyYucheng People's HospitalDezhouShandong251200P. R. China
| | - Wen Liu
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Rong Xiao
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Hao Wang
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Zhaoying Zhang
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Xuetian Yue
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Cell BiologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Chunyang Li
- Key Laboratory for Experimental Teratology of Ministry of Education and Department of Histology and EmbryologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Zhuanchang Wu
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Yuemin Feng
- Department of GastroenterologyShengLi Hospital of Shandong First Medical UniversityJinanShandong250012P. R. China
| | - Xiaohong Liang
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Chunhong Ma
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
| | - Lifen Gao
- Key Laboratory for Experimental Teratology of Ministry of EducationShandong Key Laboratory of Infection and Immunityand Department of ImmunologySchool of Basic Medical SciencesCheeloo College of MedicineShandong UniversityJinanShandong250012P. R. China
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Goralska J, Razny U, Gruca A, Zdzienicka A, Micek A, Dembinska-Kiec A, Solnica B, Malczewska-Malec M. Plasma Cytokeratin-18 Fragment Level Reflects the Metabolic Phenotype in Obesity. Biomolecules 2023; 13:biom13040675. [PMID: 37189422 DOI: 10.3390/biom13040675] [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: 02/20/2023] [Revised: 04/05/2023] [Accepted: 04/12/2023] [Indexed: 05/17/2023] Open
Abstract
There is growing interest in the non-invasive identification and monitoring of the outcome of liver damage in obese patients. Plasma cytokeratin-18 (CK-18) fragment levels correlate with the magnitude of hepatocyte apoptosis and have recently been proposed to independently predict the presence of non-alcoholic steatohepatitis (NASH). The aim of the study was to analyze the associations of CK-18 with obesity and related complications: insulin resistance, impaired lipid metabolism and the secretion of hepatokines, adipokines and pro-inflammatory cytokines. The study involved 151 overweight and obese patients (BMI 25-40), without diabetes, dyslipidemia or apparent liver disease. Liver function was assessed based on alanine aminotransferase (ALT), gamma-glutamyl transferase (GGT) and the fatty liver index (FLI). CK-18 M30 plasma levels, FGF-21, FGF-19 and cytokines were determined by ELISA. CK-18 values >150 U/l were accompanied by high ALT, GGT and FLI, insulin resistance, postprandial hypertriglyceridemia, elevated FGF-21 and MCP-1 and decreased adiponectin. ALT activity was the strongest independent factor influencing high CK-18 plasma levels, even after an adjustment for age, sex and BMI [β coefficient (95%CI): 0.40 (0.19-0.61)]. In conclusion, the applied CK-18 cut-off point at 150 U/l allows to distinguish between two metabolic phenotypes in obesity.
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Affiliation(s)
- Joanna Goralska
- Department of Clinical Biochemistry, Jagiellonian University Medical College, Skawinska 8, 31-066 Krakow, Poland
| | - Urszula Razny
- Department of Clinical Biochemistry, Jagiellonian University Medical College, Skawinska 8, 31-066 Krakow, Poland
| | - Anna Gruca
- Department of Clinical Biochemistry, Jagiellonian University Medical College, Skawinska 8, 31-066 Krakow, Poland
| | - Anna Zdzienicka
- Department of Clinical Biochemistry, Jagiellonian University Medical College, Skawinska 8, 31-066 Krakow, Poland
| | - Agnieszka Micek
- Institute of Nursing and Midwifery, Jagiellonian University Medical College; Michałowskiego 12, 31-126 Krakow, Poland
| | - Aldona Dembinska-Kiec
- Department of Clinical Biochemistry, Jagiellonian University Medical College, Skawinska 8, 31-066 Krakow, Poland
| | - Bogdan Solnica
- Department of Clinical Biochemistry, Jagiellonian University Medical College, Skawinska 8, 31-066 Krakow, Poland
| | - Malgorzata Malczewska-Malec
- Department of Clinical Biochemistry, Jagiellonian University Medical College, Skawinska 8, 31-066 Krakow, Poland
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Zheng K, Wu J, Ullah S, Cao Y, Jiang Y, Huang X, Jiang J. Proteome changes of dairy calves rumen epithelium from birth to postweaning. Front Genet 2023; 13:1071873. [PMID: 36685817 PMCID: PMC9847510 DOI: 10.3389/fgene.2022.1071873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/14/2022] [Indexed: 01/05/2023] Open
Abstract
Background: Rumen epithelium plays a central role in absorbing, transporting, and metabolizing of short-chain fatty acids. For dairy calves, the growth of rumen papillae greatly enhances the rumen surface area to absorb nutrients. However, the molecular mechanism underlying dairy calves rumen postnatal development remains rarely understood. Results: Here, we firstly describe the histological change of rumen epithelium from birth to day 90 of age. Then, a shotgun approach and bioinformatics analyses were used to investigate and compare proteomic profiles of Holstein calve rumen epithelium on day 0, 30, 60 and 90 of age. A total of 4372 proteins were identified, in which we found 852, 342, 164 and 95 differentially expressed proteins between D0 and D30, between D30 and D60, between D60 and D90, respectively. Finally, Gene Ontology and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed to provide a comprehensive proteomic landscape of dairy calves rumen development at tissue level. Conclusion: To conclude, our data indicated that keratinocyte differentiation, mitochondrion formation, the establishment of urea transport and innate immune system play central roles during rumen epithelium development. Tetrahydrobiopterin (BH4) presents an important role in rumen epithelial keratinization. The biological processes of BH4 biosynthesis and molecular function of nicotinamide adenine dinucleotide phosphate binding participate in mitochondrial cristae formation. The proposed datasets provide a useful basis for future studies to better comprehend dairy calves rumen epithelial development.
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Affiliation(s)
- Kaizhi Zheng
- Institute of Animal Husbandry and Veterinary, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Jianliang Wu
- Institute of Animal Husbandry and Veterinary, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Saif Ullah
- Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture Water and Marine Sciences, Lasbela, Pakistan
| | - Yang Cao
- Institute of Animal Husbandry and Veterinary, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - Yongqing Jiang
- Institute of Animal Husbandry and Veterinary, Zhejiang Academy of Agricultural Sciences, Hangzhou, China,*Correspondence: Yongqing Jiang, ; Xin Huang, ; Junfang Jiang,
| | - Xin Huang
- Institute of Animal Husbandry and Veterinary, Zhejiang Academy of Agricultural Sciences, Hangzhou, China,*Correspondence: Yongqing Jiang, ; Xin Huang, ; Junfang Jiang,
| | - Junfang Jiang
- Institute of Animal Husbandry and Veterinary, Zhejiang Academy of Agricultural Sciences, Hangzhou, China,*Correspondence: Yongqing Jiang, ; Xin Huang, ; Junfang Jiang,
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Colonocyte keratin 7 is expressed de novo in inflammatory bowel diseases and associated with pathological changes and drug-resistance. Sci Rep 2022; 12:22213. [PMID: 36564440 PMCID: PMC9789078 DOI: 10.1038/s41598-022-26603-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022] Open
Abstract
The clinical course of IBD, characterized by relapses and remissions, is difficult to predict. Initial diagnosis can be challenging, and novel disease markers are needed. Keratin 7 (K7) is a cytoskeletal intermediate filament protein not expressed in the colonic epithelium but has been reported in IBD-associated colorectal tumors. Our aim was to analyze whether K7 is expressed in chronic colonic inflammatory diseases and evaluate its potential as a novel biomarker. K7 was analyzed in two patient cohorts using immunohistochemistry-stained colon samples and single-cell quantitative digital pathology methods. K7 was correlated to pathological changes and clinical patient characteristics. Our data shows that K7 is expressed de novo in the colonic epithelium of ulcerative colitis and Crohn's disease IBD patients, but not in collagenous or lymphocytic colitis. K7 mRNA expression was significantly increased in colons of IBD patients compared to controls when assessed in publicly available datasets. While K7 increased in areas with inflammatory activity, it was not expressed in specific crypt compartments and did not correlate with neutrophils or stool calprotectin. K7 was increased in areas proximal to pathological alterations and was most pronounced in drug-resistant ulcerative colitis. In conclusion, colonic epithelial K7 is neo-expressed selectively in IBD patients and could be investigated for its potential as a disease biomarker.
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Wu T, Li C, Zhou J, Han L, Qiang S, Hu Z, Liu J, Li X, Zhao W, Chen X. Primaquine activates Keratin 7 to treat diabetes and its complications. J Diabetes Metab Disord 2022; 21:1731-1741. [PMID: 36404863 PMCID: PMC9672200 DOI: 10.1007/s40200-022-01135-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/19/2022] [Indexed: 10/14/2022]
Abstract
Background The global prevalence of type 2 diabetes mellitus (T2DM) raises the rates of its complications, such as diabetic nephropathy and cardiovascular diseases. To conquer the complications, new strategies to reverse the deterioration of T2DM are urgently needed. In this project, we aimed to examine the hypoglycemic effect of primaquine and explore its specific target. Methods In vitro T2DM insulin resistance model was built in HepG2 cells to screen the potential anti-diabetic chemicals. On the other hand, the potential protein targets were explored by molecular docking. Accordingly, we chose C57BL/6 N mice to establish T2DM model to verify the effect of the chemicals on anti-hyperglycemia and diabetic complications. Results By targeting the Keratin 7 (K7) to activate EGFR/Akt glucose metabolism signaling pathway, primaquine poses a potent hypoglycemic effect. The level of acetyl-CoA is enhanced markedly, supporting that primaquine upregulates the aerobic glycolysis. Moreover, primaquine ameliorates kidney function by reducing the secretion of urinary proteins and creatinine, especially for the urea nitrogen which is significantly decreased compared to no-treatment T2DM mice. Notably, primaquine restores the level of plasma low-density lipoprotein cholesterol (LDL-C) nearly to normal, minimizing the incidence of cardiovascular diseases. Conclusions We find that primaquine may reverse the dysregulated metabolism to prevent diabetic complications by stimulating EGFR/Akt signaling axis, shedding new light on the therapy of T2DM. Graphical abstract Insulin resistance is characterized by reduced p-Akt and glucose metabolism, dominated by anaerobic glycolysis. Primaquine activates the complex made of K7 and EGFR, further stimulating Akt phosphorylation. Then, p-Akt promotes the aerobic glucose metabolism and upregulates Ac-CoA to mobilize TCA cycle, improving insulin sensitivity. Supplementary Information The online version contains supplementary material available at 10.1007/s40200-022-01135-8.
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Affiliation(s)
- Tongyu Wu
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Chun Li
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Jing Zhou
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Liang Han
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Shaojia Qiang
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Zhuozhou Hu
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Jingjing Liu
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Xiangxiang Li
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Wenyang Zhao
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
| | - Xinping Chen
- Department of Pharmacy, Lanzhou University, Lanzhou, 730000 People’s Republic of China
- State Key Laboratory of Veterinary Etiological Biology, College of Veterinary Medicine, Lanzhou, 730000 People’s Republic of China
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Recent Advances in Intermediate Filaments-Volume 1. Int J Mol Sci 2022; 23:ijms23105308. [PMID: 35628119 PMCID: PMC9141557 DOI: 10.3390/ijms23105308] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/03/2022] [Accepted: 05/05/2022] [Indexed: 12/15/2022] Open
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