{"title":"SGLT-2 inhibitors are beneficial in reducing the risk of thyroid cancer: findings from a Mendelian randomization study.","authors":"LiRong Zhang, Jiaqin Cai, Huiting Lin, Wenhua Wu, Congting Hu, Xinmiao Lin, Hong Sun, XiaoXia Wei","doi":"10.1007/s00592-024-02344-8","DOIUrl":"https://doi.org/10.1007/s00592-024-02344-8","url":null,"abstract":"<p><strong>Objective: </strong>Previous studies have investigated the association between diabetes medications and thyroid cancer, but the results have not been conclusive. This study used a Mendelian randomization approach to investigate the causal relationship between diabetes medications and thyroid cancer (TC).</p><p><strong>Methods: </strong>Exposures were six major diabetes medications target, while outcomes were TC and its differentiated forms, including papillary thyroid carcinoma (PTC) and follicular thyroid carcinoma (FTC). Mendelian randomization was conducted using IVW, MR-Egger, and weighted median methods. Tests for heterogeneity, horizontal pleiotropy, and leave-one-out were also performed.</p><p><strong>Results: </strong>In European populations, SGLT2 inhibitors were significantly negatively associated with TC (OR 0.051, 95% CI 0.006-0.465, P = 0.0082) as well as PTC (OR 0.034, 95% CI 0.003-0.411, P = 0.0079), while no correlation was found with FTC. These findings remained consistent even after applying the Bonferroni correction.</p><p><strong>Conclusions: </strong>The evidence suggests that SGLT2 inhibitors could be potential therapeutic targets for TC, especially for PTC, in European populations. However, further large-scale randomized controlled trials are necessary to verify their ability to reduce the risk of and treat these types of cancer.</p>","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141995047","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":"Pancreatic beta cell function and insulin resistance profiles in first-degree relatives of patients with prediabetes and type 2 diabetes.","authors":"Anaid Herrerías-García, Emmanuel Jacobo-Tovar, Claudia Mariana Hernández-Robles, Rodolfo Guardado-Mendoza","doi":"10.1007/s00592-024-02352-8","DOIUrl":"https://doi.org/10.1007/s00592-024-02352-8","url":null,"abstract":"<p><strong>Aims: </strong>To evaluate insulin secretion and insulin resistance profiles in individuals with family history of prediabetes and type 2 diabetes.</p><p><strong>Methods: </strong>This was a cross-sectional study to evaluate clinical and metabolic profiles between individuals with type 2 diabetes, prediabetes and their relatives. There were 911 subjects divided into five groups: (i) normoglycemic (NG), (ii) type 2 diabetes, (iii) prediabetes, (iv) first-degree relatives of patients with type 2 diabetes (famT2D), and (v) first-degree relatives of patients with prediabetes (famPD); anthropometrical, biochemical and nutritional evaluation, as well as insulin resistance and pancreatic beta cell function measurement was performed by oral glucose tolerance to compare between groups.</p><p><strong>Results: </strong>The most prevalent type 2 diabetes risk factors were dyslipidemia (81%), family history of type 2 diabetes (76%), central obesity (73%), male sex (63%), and sedentary lifestyle (60%), and most of them were progressively associated to prediabetes and type 2 diabetes groups. Insulin sensitivity was lower in famT2D groups in comparison to NG group (p < 0.0001). FamPD and famT2D had a 10% lower pancreatic beta cell function (DI) than the NG group (NG group 2.78 ± 1.0, famPD 2.5 ± 0.85, famT2D 2.4 ± 0.75, p˂0.001).</p><p><strong>Conclusions: </strong>FamPD and famT2D patients had lower pancreatic beta cell function than NG patients, highlighting that defects in insulin secretion and insulin sensitivity appear long time before the development of hyperglycemia in patients genetically predisposed.</p>","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141987139","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":"Accumulation of branched-chain amino acids deteriorates the neuroinflammatory response of Müller cells in diabetic retinopathy via leucine/Sestrin2-mediated sensing of mTOR signaling.","authors":"Qiaoyun Gong, Jingyi Wang, Dawei Luo, Yupeng Xu, Rulin Zhang, Xin Li, Zihan Yin, Junwei Fang, Haiyan Wang","doi":"10.1007/s00592-024-02349-3","DOIUrl":"https://doi.org/10.1007/s00592-024-02349-3","url":null,"abstract":"<p><strong>Aims: </strong>This study aimed to investigate branched-chain amino acid (BCAA) catabolism in diabetic retinopathy (DR).</p><p><strong>Methods: </strong>Wild-type and db/db mice were fed BCAAs (5 or 10 mg/kg/day) for 12 weeks, and hyperglycemia-exposed Müller cells were treated with BCAAs (2 or 5 mmol/L) for 24 and 48 h. BCAA levels were measured using MS/MS. Western blotting was performed to detect proteins. Flow cytometry, oxygen consumption rate, and Cell Counting Kit-8 assays were used to evaluate Müller cell viability. Each experiment was conducted at least thrice.</p><p><strong>Results: </strong>BCAAs and branched-chain α-keto acids (BCKAs) were increased in the retina and systemic tissues of diabetic mice, and these changes were further enhanced to approximately 2-fold by extra BCAAs compared to wild-type group. In vitro, BCAAs and BCKAs were induced in hyperglycemic Müller cells, and augmented by BCAA supplementation. The aberrant BCAA catabolism was accompanied by mTORC1 activation and subsequently induced TNF-ɑ, VEGFA, GS, and GFAP in retinas and Müller cells under diabetic conditions. The cell apoptosis rate increased by approximately 50%, and mitochondrial respiration was inhibited by hyperglycemia and BCAA in Müller cells. Additionally, mTORC1 signaling was activated by leucine in Müller cells. Knockdown of Sestrin2 or LeuRS significantly abolished the leucine-induced mTORC1 phosphorylation and protected Müller cell viability under diabetic conditions.</p><p><strong>Conclusions: </strong>We found that BCAA catabolism is hindered in DR through mTORC1 activation. Leucine plays a key role in inducing mTORC1 by sensing Sestrin2 in Müller cells. Targeting Sestrin2 may ameliorate the toxic effects of BCAA accumulation on Müller cells in DR.</p>","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-08-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141987137","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}
Xiaohui Wei, Zhuo Sun, Na Wang, Zequn Deng, Wenyun Li, Tao Ying, Min Wu, Yuwei Liu, Gengsheng He
{"title":"Immunometabolic profiling related with gestational diabetes mellitus: a nested case-control study of CD4<sup>+</sup> T cell phenotypes and glycemic traits.","authors":"Xiaohui Wei, Zhuo Sun, Na Wang, Zequn Deng, Wenyun Li, Tao Ying, Min Wu, Yuwei Liu, Gengsheng He","doi":"10.1007/s00592-024-02338-6","DOIUrl":"https://doi.org/10.1007/s00592-024-02338-6","url":null,"abstract":"<p><strong>Aims: </strong>To investigate immunometabolic associations of CD4<sup>+</sup> T cell phenotypes with gestational diabetes mellitus (GDM).</p><p><strong>Methods: </strong>A nested case-control study was conducted comprising 53 pairs of GDM patients and matched controls within a prospective cohort. Metabolomic signatures related to both CD4<sup>+</sup> T cell phenotypes and glycemic traits among pregnant women were investigated by weighted gene co-expression network analysis (WGCNA). Multivariable-adjusted generalized linear models were used to explore the associations of CD4<sup>+</sup> T cell phenotypes and selected metabolites with GDM. Mediation analysis was conducted to evaluate the mediating effect of selected metabolites on the relationship between CD4<sup>+</sup> T cell phenotypes and glycemic traits.</p><p><strong>Results: </strong>Higher levels of Treg cells (OR per SD increment (95%CI): 0.57 (0.34, 0.95), p = 0.031) and increased expression of Foxp3 (OR per SD increment (95%CI): 0.59 (0.35, 0.97), p = 0.039) and GATA3 (OR per SD increment (95%CI): 0.42 (0.25, 0.72), p = 0.002) were correlated with a decreased risk of GDM. Plasma pyruvaldehyde, S-adenosylhomocysteine (SAH), bergapten, and 9-fluorenone mediated the association between Tregs and fasting plasma glucose (FPG), with mediation proportions of 46.9%, 39.6%, 52.4%, and 56.9%, respectively.</p><p><strong>Conclusions: </strong>Treg cells and Foxp3 expressions were inversely associated with GDM risk, with potential metabolic mechanisms involving metabolites such as pyruvaldehyde and SAH.</p>","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-08-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141987138","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}
Roberto Franceschi, Riccardo Pertile, Marco Marigliano, Enza Mozzillo, Claudio Maffeis, Silvana Zaffani, Carlotta Dusini, Annalisa Antonelli, Francesca Di Candia, Giulio Maltoni, Erika Cantarelli, Nicola Minuto, Marta Bassi, Ivana Rabbone, Silvia Savastio, Stefano Passanisi, Fortunato Lombardo, Valentino Cherubini, Maria Alessandra Saltarelli, Stefano Tumini
{"title":"Future acceptance of automated insulin delivery systems in youths with type 1 diabetes: validation of the Italian artificial pancreas-acceptance measure.","authors":"Roberto Franceschi, Riccardo Pertile, Marco Marigliano, Enza Mozzillo, Claudio Maffeis, Silvana Zaffani, Carlotta Dusini, Annalisa Antonelli, Francesca Di Candia, Giulio Maltoni, Erika Cantarelli, Nicola Minuto, Marta Bassi, Ivana Rabbone, Silvia Savastio, Stefano Passanisi, Fortunato Lombardo, Valentino Cherubini, Maria Alessandra Saltarelli, Stefano Tumini","doi":"10.1007/s00592-024-02327-9","DOIUrl":"https://doi.org/10.1007/s00592-024-02327-9","url":null,"abstract":"<p><strong>Aim: </strong>The purpose of this study was to develop a questionnaire to examine the future acceptance of Automatic insulin delivery systems (AIDs), their perceived usefulness, ease of use, and trust in the device in subjects with type 1 diabetes (T1D).</p><p><strong>Methods: </strong>A questionnaire in Italian, based on the Technology Acceptance Model, was developed to examine intention to use AIDs, considered as a measure of future acceptance, and its determinants to use the system. A total of 43 questions for children and 46 for parents were included, and a 5-point Likert scale was used.</p><p><strong>Results: </strong>239 subjects with T1D using multiple daily injections (MDI) or sensor-augmented pump (SAP) and their parents completed the questionnaire. The completion rate was excellent, with almost 100% of items answered. The overall Cronbach's coefficient for children and adolescents was 0.92 and 0.93 for parents, indicating excellent internal consistency in both groups. Parent-youth agreement was 0.699 (95% confidence interval: 0.689-0.709), indicating a good agreement between the two evaluations. Factor analysis identified measurement factors for the \"artificial pancreas (AP)-acceptance labeled benefits and hassles of AIDs, and the internal consistency of the total scale was alpha = 0.94 for subjects with T1D and 0.95 for parents. The level of AP acceptance was more than neutral: 3.91 ± 0.47 and 3.99 ± 0.43 (p = 0.07) for youths and parents, respectively (possible score range 1 to 5, neutral score is 3.0). Parents reported higher scores in the benefit items than children-adolescents (p = 0.04).</p><p><strong>Conclusions: </strong>We developed a new questionnaire based on the items available in the literature, and we demonstrated that the \"AP-acceptance\" reveals a meaningful factor structure, good internal reliability, and agreement between parent-young people evaluations. This measure could be a valuable resource for clinicians and researchers to assess AP acceptance in pediatric patients with T1D and their parents. This patient profiling approach could help to enroll candidates for AIDs with proper expectations and who most likely will benefit from the system.</p>","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141911318","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}
Martina Molteni, Sara Lodigiani, Marsida Teliti, Mario Rotondi, Valeria Guazzoni
{"title":"Use of dulaglutide in a pregnant woman with type 2 diabetes until third trimester of pregnancy","authors":"Martina Molteni, Sara Lodigiani, Marsida Teliti, Mario Rotondi, Valeria Guazzoni","doi":"10.1007/s00592-024-02331-z","DOIUrl":"10.1007/s00592-024-02331-z","url":null,"abstract":"","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":"61 11","pages":"1491 - 1494"},"PeriodicalIF":3.1,"publicationDate":"2024-08-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00592-024-02331-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141911320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The correlation between HOMA-IR and cardiometabolic risk index among different metabolic adults: a cross-sectional study.","authors":"Qiyun Lu, Benjian Chen, Anxiang Li, Qingshun Liang, Jia Yao, Yiming Tao, Fangfang Dai, Xiaoling Hu, Jiayan Lu, Yunwei Liu, Yunyi Liu, Yingxi Wang, Jieer Long, RongHua Zhang, Zhenjie Liu","doi":"10.1007/s00592-024-02332-y","DOIUrl":"https://doi.org/10.1007/s00592-024-02332-y","url":null,"abstract":"<p><strong>Aims: </strong>This study aimed to explore the correlation between homeostasis model assessment of insulin resistance(HOMA-IR)and cardiometabolic risk index(CMRI) among different metabolic adults to evaluate the value of HOMA-IR in predicting cardiometabolic risk.</p><p><strong>Methods: </strong>This cross-sectional study was conducted over 18 months (from August 1, 2020 to February 18, 2022) and included 1550 participants divided into non-metabolic syndrome (non-MetS) group (n = 628) and metabolic syndrome (MetS) group (n = 922) in three centers of China. Logistic regression analysis was employed to investigate the correlation between HOMA-IR, body fat percentage, BMI (body mass index), visceral fat index, waist-to-hip ratio, vitamin D, and CMRI. Further analysis was conducted to evaluate the ability of HOMA-IR in diagnosing high CMRI within different metabolic, gender, and age groups to predict the risk of cardiovascular disease (CVD).</p><p><strong>Results: </strong>HOMA-IR was significantly higher in the MetS group compared with the non-MetS group (P < 0.05). CMRI was significantly higher in the MetS group compared to the non-MetS group (P < 0.05). According to ROC curve analysis, HOMA-IR can predict cardiovascular risk (CVR) in the general population, non-MetS individuals, and MetS people. Logistic regression analysis revealed that BMI, visceral fat index, waist-to-hip ratio, and HOMA-IR are independent risk indicators of high CVR, whereas vitamin D may exert a protective role.</p><p><strong>Conclusions: </strong>HOMA-IR was an independent risk factor for increased CVR in MetS patients. Moreover, HOMA-IR elevates the risk of CVD regardless of MetS and thus can be used for screening the general population.</p><p><strong>Trial registration: </strong>The study was registered at the Chinese Clinical Trial Registry (Registration Number: ChiCTR2100054654).</p>","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141911319","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}
Vincenzo Trischitta, Alessandra Antonucci, Jerzy Adamski, Cornelia Prehn, Claudia Menzaghi, Antonella Marucci, Rosa Di Paola
{"title":"Correction: GALNT2 expression is associated with glucose control and serum metabolites in patients with type 2 diabetes","authors":"Vincenzo Trischitta, Alessandra Antonucci, Jerzy Adamski, Cornelia Prehn, Claudia Menzaghi, Antonella Marucci, Rosa Di Paola","doi":"10.1007/s00592-024-02346-6","DOIUrl":"10.1007/s00592-024-02346-6","url":null,"abstract":"","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":"61 8","pages":"1015 - 1015"},"PeriodicalIF":3.1,"publicationDate":"2024-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11329413/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141900562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ryeon Heo, Minju Park, Seo-Yeong Mun, Wenwen Zhuang, Junsu Jeong, Hongzoo Park, Eun-Taek Han, Jin-Hee Han, Wanjoo Chun, Won-Kyo Jung, Il-Whan Choi, Won Sun Park
{"title":"Vasorelaxant mechanisms of the antidiabetic anagliptin in rabbit aorta: roles of Kv channels and SERCA pump.","authors":"Ryeon Heo, Minju Park, Seo-Yeong Mun, Wenwen Zhuang, Junsu Jeong, Hongzoo Park, Eun-Taek Han, Jin-Hee Han, Wanjoo Chun, Won-Kyo Jung, Il-Whan Choi, Won Sun Park","doi":"10.1007/s00592-024-02351-9","DOIUrl":"https://doi.org/10.1007/s00592-024-02351-9","url":null,"abstract":"<p><strong>Aims: </strong>The present study investigated the vasorelaxant mechanisms of an oral antidiabetic drug, anagliptin, using phenylephrine (Phe)-induced pre-contracted rabbit aortic rings.</p><p><strong>Methods: </strong>Arterial tone measurement was performed in rabbit thoracic aortic rings.</p><p><strong>Results: </strong>Anagliptin induced vasorelaxation in a dose-dependent manner. Pre-treatment with the classical voltagedependent K<sup>+</sup> (Kv) channel inhibitors 4-aminopyridine and tetraethylammonium significantly decreased the vasorelaxant effect of anagliptin, whereas pre-treatment with the inwardly rectifying K<sup>+</sup> (Kir) channel inhibitor Ba<sup>2+</sup>, the ATP-sensitive K<sup>+</sup> (K<sub>ATP</sub>) channel inhibitor glibenclamide, and the large-conductance Ca<sup>2+</sup>-activated K<sup>+</sup> (BKCa) channel inhibitor paxilline did not attenuate the vasorelaxant effect. Furthermore, the vasorelaxant response of anagliptin was effectively inhibited by pre-treatment with the sarco/endoplasmic reticulum Ca<sup>2+</sup>-ATPase (SERCA) pump inhibitors thapsigargin and cyclopiazonic acid. Neither cAMP/protein kinase A (PKA)-related signaling pathway inhibitors (adenylyl cyclase inhibitor SQ 22536 and PKA inhibitor KT 5720) nor cGMP/protein kinase G (PKG)-related signaling pathway inhibitors (guanylyl cyclase inhibitor ODQ and PKG inhibitor KT 5823) reduced the vasorelaxant effect of anagliptin. Similarly, the anagliptin-induced vasorelaxation was independent of the endothelium.</p><p><strong>Conclusions: </strong>Based on these results, we suggest that anagliptin-induced vasorelaxation in rabbit aortic smooth muscle occurs by activating Kv channels and the SERCA pump, independent of other vascular K<sup>+</sup> channels, cAMP/PKA- or cGMP/PKG-related signaling pathways, and the endothelium.</p>","PeriodicalId":6921,"journal":{"name":"Acta Diabetologica","volume":" ","pages":""},"PeriodicalIF":3.1,"publicationDate":"2024-08-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141892608","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}