Yoo Hyung Kim, Ji Won Yoon, Bon Hyang Lee, Jeong Hee Yoon, Hun Jee Choe, Tae Jung Oh, Jeong Min Lee, Young Min Cho
{"title":"Artificial intelligence-based body composition analysis using computed tomography images predicts both prevalence and incidence of diabetes mellitus.","authors":"Yoo Hyung Kim, Ji Won Yoon, Bon Hyang Lee, Jeong Hee Yoon, Hun Jee Choe, Tae Jung Oh, Jeong Min Lee, Young Min Cho","doi":"10.1111/jdi.14365","DOIUrl":"https://doi.org/10.1111/jdi.14365","url":null,"abstract":"<p><strong>Aim/introduction: </strong>We assess the efficacy of artificial intelligence (AI)-based, fully automated, volumetric body composition metrics in predicting the risk of diabetes.</p><p><strong>Materials and methods: </strong>This was a cross-sectional and 10-year retrospective longitudinal study. The cross-sectional analysis included health check-up data of 15,330 subjects with abdominal computed tomography (CT) images between January 1, 2011, and September 30, 2012. Of these, 10,570 subjects with available follow-up data were included in the longitudinal analyses. The volume of each body segment included in the abdominal CT images was measured using AI-based image analysis software.</p><p><strong>Results: </strong>Visceral fat (VF) proportion and VF/subcutaneous fat (SF) ratio increased with age, and both strongly predicted the presence and risk of developing diabetes. Optimal cut-offs for VF proportion were 24% for men and 16% for women, while VF/SF ratio values were 1.2 for men and 0.5 for women. The subjects with higher VF/SF ratio and VF proportion were associated with a greater risk of having diabetes (adjusted OR 2.0 [95% CI 1.7-2.4] in men; 2.9 [2.2-3.9] in women). In subjects with normal glucose tolerance, higher VF proportion and VF/SF ratio were associated with higher risk of developing prediabetes or diabetes (adjusted HR 1.3 [95% CI 1.1-1.4] in men; 1.4 [1.2-1.7] in women). These trends were consistently observed across each specified cut-off value.</p><p><strong>Conclusions: </strong>AI-based volumetric analysis of abdominal CT images can be useful in obtaining body composition data and predicting the risk of diabetes.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142685529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Toward a cure for diabetes: iPSC and ESC-derived islet cell transplantation trials.","authors":"Junji Fujikura, Takayuki Anazawa, Taro Toyoda, Ryo Ito, Yasuko Kimura, Daisuke Yabe","doi":"10.1111/jdi.14366","DOIUrl":"https://doi.org/10.1111/jdi.14366","url":null,"abstract":"<p><p>Advancements in regenerative medicine, particularly through the use of induced pluripotent stem cells (iPSCs) and embryonic stem cells (ESCs), are garnering substantial attention as potential solutions to the limited availability of donors, leading to prolonged waiting periods for people with type 1 diabetes who require transplantation of pancreatic islets from deceased donors. The promising outcomes from recent clinical trials suggest that transplantation of iPSC- or ESC-derived islet cells could pave the way for more effective and broadly accessible treatment options. This progress holds potential not only for individuals with type 1 diabetes but may also extend to type 2 diabetes treatment in the future.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142685532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Association between severity of diabetic complications and risk of cancer in middle-aged patients with type 2 diabetes.","authors":"Yao-Hsien Tseng, Yu-Tse Tsan, Pau-Chung Chen","doi":"10.1111/jdi.14364","DOIUrl":"https://doi.org/10.1111/jdi.14364","url":null,"abstract":"<p><strong>Aim: </strong>Hyperglycemia was found to be associated with an increased risk of cancer in a general population cohort. However, it remains to be established whether the severity of diabetic complications is associated with cancer risk in patients with diabetes.</p><p><strong>Materials and methods: </strong>We used the National Health Insurance Research Database from 2000 through 2013, including those with newly diagnosed diabetic patients (n = 616,742). We collected all vascular and metabolic complications to develop an adapted diabetic complication severity index (aDCSI), ranging from 0 to 13 annually, as proxies of the severity of diabetic complications and performed follow-up from the onset of diabetes until incident cancer, death, or the study end.</p><p><strong>Results: </strong>Within the mean follow-up period of 9 years, the rates of cancer incidence per 100,000 person-years were 815.2 vs 482.0 and 611.1 vs 358.9 for the top vs bottom quartiles, respectively, of aDCSI in men and women (adjusted HRs 1.17 (95% CI 1.10-1.25) and 1.20 (95% CI 1.10-1.30), respectively). The risk of cancer was 1.7- to 1.9-fold for the top vs bottom quartiles of aDCSI in diabetic onset age of 40-44 (HRs 1.74 (95% CI, 1.39-2.18) in men and HRs 1.93 (95% CI, 1.39-2.66) in women). However, among patients with diabetic onset age of 60-64, the associations between the severity of diabetic complications and cancer risk were attenuated.</p><p><strong>Conclusions: </strong>Patients with higher severity of diabetic complications have an increased risk of cancer compared to those with the lowest severity, particularly for those with earlier onset and greater severity of diabetic complications.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142685530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Hepatokine leukocyte cell-derived chemotaxin 2 as a biomarker of insulin resistance, liver enzymes, and metabolic dysfunction-associated steatotic liver disease in the general population.","authors":"Keita Suzuki, Hiromasa Tsujiguchi, Akinori Hara, Yumie Takeshita, Hisanori Goto, Yujiro Nakano, Reina Yamamoto, Hiroaki Takayama, Atsushi Tajima, Tatsuya Yamashita, Masao Honda, Hiroyuki Nakamura, Toshinari Takamura","doi":"10.1111/jdi.14351","DOIUrl":"https://doi.org/10.1111/jdi.14351","url":null,"abstract":"<p><strong>Aims/introduction: </strong>Leukocyte cell-derived chemotaxin 2 (LECT2) is an obesity-associated hepatokine that causes skeletal muscle insulin resistance. Since LECT2 is up-regulated by the inactivation of the energy sensor AMPK in the liver, we hypothesized that LECT2 has potential as a biomarker for metabolic dysfunction-associated steatotic liver disease (MASLD). Therefore, we investigated whether circulating LECT2 levels are associated with insulin sensitivity, liver enzymes, and MASLD.</p><p><strong>Materials and methods: </strong>This cross-sectional study included 138 Japanese individuals. Plasma LECT2 levels were measured using fasting blood samples. B-mode ultrasonography was used to assess hepatic steatosis.</p><p><strong>Results: </strong>The mean age and body mass index (BMI) of participants were 63.5 ± 10.2 years and 23.0 ± 3.1 kg/m<sup>2</sup>, respectively. Higher LECT2 levels positively correlated with homeostatic model assessment for insulin resistance (HOMA-IR) values and negatively correlated with the quantitative insulin sensitivity check index (QUICKI) among all participants (HOMA-IR; non-standardized β (B) = 6.38, P < 0.01: QUICKI; B = -161, P < 0.01). These correlations were stronger in the low BMI group (HOMA-IR; B = 13.85, P < 0.01: QUICKI; B = -180, P < 0.01). LECT2 levels also positively correlated with gamma-glutamyl transferase levels (B = 0.01, P = 0.01) and alanine aminotransferase levels (B = 0.33, P = 0.02). Higher LECT2 levels correlated with the prevalence of MASLD (odds ratio = 1.14, P = 0.02).</p><p><strong>Conclusions: </strong>The present results suggest the potential of plasma LECT2 levels as a biomarker for insulin resistance in individuals who are not overweight and the prevalence of MASLD in the general population.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142685531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jie Gong, Fengwei Gao, Kangyi Jiang, Qingyun Xie, Xin Zhao, Zehua Lei
{"title":"Risk of biliary diseases in patients with type 2 diabetes or obesity treated with tirzepatide: A meta-analysis.","authors":"Jie Gong, Fengwei Gao, Kangyi Jiang, Qingyun Xie, Xin Zhao, Zehua Lei","doi":"10.1111/jdi.14340","DOIUrl":"https://doi.org/10.1111/jdi.14340","url":null,"abstract":"<p><strong>Objective: </strong>To investigate the risk of biliary diseases in patients with type 2 diabetes mellitus (T2DM) or obesity treated with tirzepatide.</p><p><strong>Methods: </strong>Literature searches were performed using the PubMed, Web of Science, Cochrane Library, and CNKI databases until 20 May 2024. Randomized controlled studies (RCTs) investigating the safety of tirzepatide vs placebo/other hypoglycemic drugs in patients with T2DM or obesity were included. The safety outcomes mainly included the incidence of cholelithiasis, pancreatitis, cholecystitis, and gallbladder/biliary diseases. Cochrane Collaboration's tool for assessing the risk of bias was used to assess the quality of literature. Heterogeneity was evaluated using I<sup>2</sup> statistics.</p><p><strong>Results: </strong>A total of 12 high-quality RCTs (involving 12,351 patients) were included. The results of meta-analysis showed that tirzepatide was associated with gallbladder/biliary diseases (RR = 1.52; 95%CI: 1.17-1.98; I<sup>2</sup> = 0%, P = 0.76) and cholelithiasis (RR = 1.67; 95%CI: 1.14-2.44; I<sup>2</sup> = 0%, P = 0.95). Subgroup analysis based on the dose of tirzepatide found no dose-response relationship between different doses of tirzepatide and the risk of gallbladder/biliary diseases and cholelithiasis.</p><p><strong>Conclusions: </strong>Based on the data currently available, tirzepatide is associated with the development of cholelithiasis in patients. However, the findings from RCTs still need to be further investigated in many post-marketing safety surveillance programs.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Immune checkpoint inhibitor-related type 1 diabetes incidence, risk, and survival association.","authors":"Fumika Kamitani, Yuichi Nishioka, Miyuki Koizumi, Hiroki Nakajima, Yukako Kurematsu, Sadanori Okada, Shinichiro Kubo, Tomoya Myojin, Tatsuya Noda, Tomoaki Imamura, Yutaka Takahashi","doi":"10.1111/jdi.14362","DOIUrl":"https://doi.org/10.1111/jdi.14362","url":null,"abstract":"<p><strong>Aim/introduction: </strong>Although immune checkpoint inhibitor-related type 1 diabetes mellitus (ICI-T1DM) is a rare condition, it is of significant concern globally. We aimed to elucidate the precise incidence, risk factors, and impact of ICI-T1DM on survival outcomes.</p><p><strong>Materials and methods: </strong>The study is a large retrospective cohort study, performed using the DeSC Japanese administrative claims database comprising 11 million patients. The database population is reportedly similar to the entire population of Japan. Patients administered ICI between 2014 and 2022 were enrolled in the study, including 21,121 patients. The risk factors for ICI-T1DM development and their characteristics were evaluated by logistic regression analysis. Development of a new irAE after the day following the first administration of ICI was set as the study outcome.</p><p><strong>Results: </strong>ICI-T1DM was observed in 102 (0.48%) of the 21,121 patients after ICI initiation. PD-(L)1 and CTLA-4 combination therapy was associated with an increased risk of ICI-T1DM compared with PD-1 monotherapy (odds ratio [OR], 2.36; 95% confidence interval [CI], 1.21-4.58; P = 0.01). Patients with a prior diagnosis of diabetes mellitus (OR, 1.59; 95% CI, 1.03-2.46; P = 0.04) or hypothyroidism (OR, 2.48; 95% CI, 1.39-4.43; P < 0.01) also exhibited an increased risk of ICI-T1DM. The Kaplan-Meier analysis revealed that patients with ICI-T1DM showed higher survival rates than those without (log-lank test, P < 0.01). Multivariable Cox regression analysis demonstrated that ICI-T1DM development was associated with lower mortality (hazard ratio, 0.60; 95% CI, 0.37-0.99; P = 0.04).</p><p><strong>Conclusions: </strong>Collectively, the results of this study demonstrate the precise incidence and risk factors of ICI-T1DM. The development of ICI-T1DM, like other irAEs, is associated with higher survival rates.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680138","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Amin Mansoori, Mina Nosrati, Mohsen Dorchin, Fatemeh Mohammadyari, Elahe Derakhshan-Nezhad, Gordon Ferns, Habibollah Esmaily, Majid Ghayour-Mobarhan
{"title":"A novel index for diagnosis of type 2 diabetes mellitus: Cholesterol, High density lipoprotein, and Glucose (CHG) index.","authors":"Amin Mansoori, Mina Nosrati, Mohsen Dorchin, Fatemeh Mohammadyari, Elahe Derakhshan-Nezhad, Gordon Ferns, Habibollah Esmaily, Majid Ghayour-Mobarhan","doi":"10.1111/jdi.14343","DOIUrl":"https://doi.org/10.1111/jdi.14343","url":null,"abstract":"<p><strong>Background: </strong>Gold standard methods of type 2 diabetes mellitus are expensive and therefore not practical for large scale studies in low-income countries. We have investigated the total cholesterol, high density lipoprotein (HDL), and glucose (CHG) index for diagnosis of type 2 diabetes mellitus index which is derived from fasting state. In this study we aimed to compare the accuracy of with CHG index and triglycerides (TG) and glucose levels (TyG) as surrogates of type 2 diabetes mellitus.</p><p><strong>Methods: </strong>A total of 9,704 individuals between 35 and 65 years of age were recruited as part of the Mashhad stroke and heart atherosclerotic disorder (MASHAD) study. They were categorized into two groups, those with and without type 2 diabetes mellitus. The cut-off in groups to detection of type 2 diabetes mellitus was fasting blood glucose ≥126 mg/dL in blood sample. Receiver operating characteristic (ROC) curve analysis was used to establish the cut-off of indices to evaluate the sensitivity and specificity of them.</p><p><strong>Results: </strong>The best cut-off of CHG index for diagnosis of type 2 diabetes mellitus was 5.57 which was associated with a sensitivity of 70.38% and specificity of 89.82% values. This was in comparison to the TyG index. LR+ CHG index was 6.91 compared to 3.47 for the TyG index and the AUC of CHG index was 0.864 (0.857, 0.871) compared with 0.825 (0.818, 0.833) for the TyG index. This indicates that the CHG index has a higher efficiency value to diagnose of type 2 diabetes mellitus.</p><p><strong>Conclusions: </strong>The CHG index could be useful for the detection of type 2 diabetes mellitus.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680108","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Relationship between nerve ultrasonography image and electrophysiology in diabetic polyneuropathy.","authors":"Pei-Chen Hsieh, Long-Sun Ro, Chun-Che Chu, Ming-Feng Liao, Hong-Shiu Chang, Hung-Chou Kuo","doi":"10.1111/jdi.14353","DOIUrl":"https://doi.org/10.1111/jdi.14353","url":null,"abstract":"<p><strong>Aims/introduction: </strong>This study aims to investigate the association between cross-sectional area (CSA) imaging findings of nerve ultrasound and conventional nerve conduction studies (NCS) for patients with distal symmetric sensorimotor polyneuropathy (DSPN) due to type 2 diabetes mellitus.</p><p><strong>Materials and methods: </strong>We enrolled 103 patients with type 2 diabetes mellitus and collected their demographic data, modified Michigan Neuropathy Screening Instrument (mMNSI) score, NCS, and ultrasonography images of peripheral nerves. The relationship of ultrasound variables for individual nerves and the ultrasound pattern sum score (UPSS) to conventional NCS findings was investigated.</p><p><strong>Results: </strong>A higher grade of DSPN was associated with a notably higher CSA. Multivariate step-wise regression analysis revealed that the number of abnormal nerves was a positive independent variable for UPSS (β coefficient = 0.4205; P < 0.0001). Of the five nerves studied, abnormalities of the tibial nerve (P ≤ 0.0100) and ulnar nerve (P = 0.052) were the most significant variables.</p><p><strong>Conclusions: </strong>The tibial nerve exhibited the most substantial association with elevated UPSS. In addition, a strong correlation was observed between abnormal NCS findings and UPSS in patients with DSPN.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Enhanced renoprotective effects of combined glucagon-like peptide-1 receptor agonists and sodium-glucose cotransporter 2 inhibitors in type 2 diabetes mellitus: Real-world evidence.","authors":"Jian-Yu Jhu, Yu-Wei Fang, Chung-Yen Huang, Hung-Hsiang Liou, Mon-Ting Chen, Ming-Hsien Tsai","doi":"10.1111/jdi.14361","DOIUrl":"https://doi.org/10.1111/jdi.14361","url":null,"abstract":"<p><strong>Introduction: </strong>Developing a more effective treatment for the global impact of diabetic kidney disease is crucial. This study examined the renoprotective effects of combining glucagon-like peptide-1 receptor agonists (GLP-1 RA) with sodium-glucose cotransporter 2 inhibitors (SGLT2i) compared to SGLT2is alone in type 2 diabetes (DM).</p><p><strong>Materials and methods: </strong>This retrospective cohort study used data from the TriNetX Global Collaborative Network. Type 2 DM patients with estimated glomerular filtration rates ≥60 mL/min/1.73 m<sup>2</sup> who used GLP-1 RA or SGLT2i between January 1, 2013, and December 31, 2023. Propensity score matching balanced baseline characteristics, resulting in 71,186 patients in each group (combined GLP-1 RA and SGLT2i therapy vs SGLT2i alone). Cox regression model was adopted to compare outcomes over a 5-year period, including major adverse kidney events (MAKE), acute kidney injury (AKI), end-stage kidney disease (ESKD), and all-cause mortality.</p><p><strong>Results: </strong>After matching, the average age was 57.1 ± 10.8 years for the GLP-1 RA plus SGLT2i group and 57.2 ± 11.7 years for the SGLT2i-only group. The GLP-1 RA plus SGLT2i group had significantly lower risk of MAKE (hazard ratio [HR]: 0.73, 95% confidence interval [CI]: 0.69-0.77), AKI (HR: 0.82, 95% C0I: 0.77-0.87), ESKD (HR: 0.61, 95% CI: 0.47-0.78), and all-cause mortality (HR: 0.54, 95% CI: 0.50-0.58) compared to the SGLT2i-only group. Moreover, subgroup analyses showed consistent benefits across different subgroups.</p><p><strong>Conclusions: </strong>Dual therapy with GLP-1 RA and SGLT2i is supported to enhance renal outcomes and address the growing burden of diabetic kidney disease.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xuelin He, Min Xia, Guanghui Ying, Qien He, Zhaogui Chen, Li Liu, Qiao Zhang, Jianxin Cai
{"title":"FOSL2 activates TGF-β1-mediated GLUT1/mTOR signaling to promote diabetic kidney disease.","authors":"Xuelin He, Min Xia, Guanghui Ying, Qien He, Zhaogui Chen, Li Liu, Qiao Zhang, Jianxin Cai","doi":"10.1111/jdi.14360","DOIUrl":"https://doi.org/10.1111/jdi.14360","url":null,"abstract":"<p><strong>Aims/introduction: </strong>Diabetic kidney disease (DKD) is a major cause of kidney failure. FOS-like antigen 2 (FOSL2) has been revealed to be increased in kidney biopsies of patients with lupus nephritis, while its association with DKD remains unsolved. This study aimed to characterize the role of FOSL2 in DKD and its mechanism.</p><p><strong>Method: </strong>The kidney tissues of DKD mice induced by STZ and a high-fat diet were subjected to PAS and Masson's staining. Glomerular mesangial cells (MCs) were treated with high glucose (HG) or normal glucose (NG). CCK-8 and EdU assays were performed to detect cell proliferation, and immunoblotting was conducted to analyze ECM deposition. ChIP-qPCR was performed on MCs to detect the binding of FOSL2 on the TGF-β1 promoter and a dual-luciferase assay to detect the impact of FOSL2 on the transcription of the TGF-β1 promoter.</p><p><strong>Results: </strong>FOSL2 was elevated in the kidney tissues of DKD mice. Knockdown of FOSL2 reduced the mRNA expression of TGF-β1 to decrease the protein expression of GLUT1 and mTOR in the kidney tissues of DKD mice, and TGF-β1 reversed the effects caused by knockdown of FOSL2. The mTOR inhibitor Rapamycin alleviated kidney injury in the presence of FOSL2. Knockdown of FOSL2 inhibited the proliferation and improved ECM deposition of MCs, which were reversed by TGF-β1. Rapamycin and GLUT1 inhibitor BAY-876 reversed the promotion effect of FOSL2 on the proliferation of NG-MCs/HG-MCs and improved ECM deposition of MCs.</p><p><strong>Conclusions: </strong>Our data demonstrated that FOSL2 accentuates DKD in mice by increasing TGF-β1-induced GLUT1/mTOR signaling.</p>","PeriodicalId":190,"journal":{"name":"Journal of Diabetes Investigation","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-11-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}