Shiyu Zhao, Frank Qian, Zhenzhen Wan, Xue Chen, An Pan, Gang Liu
{"title":"Vitamin D and major chronic diseases.","authors":"Shiyu Zhao, Frank Qian, Zhenzhen Wan, Xue Chen, An Pan, Gang Liu","doi":"10.1016/j.tem.2024.04.018","DOIUrl":"10.1016/j.tem.2024.04.018","url":null,"abstract":"<p><p>Numerous observational studies have demonstrated a significant inverse association between vitamin D status and the risk of major chronic disease, including type 2 diabetes (T2D), cardiovascular disease (CVD), and cancer. However, findings from Mendelian randomization (MR) studies and randomized controlled trials (RCTs) suggest minimal or no benefit of increased vitamin D levels. We provide an overview of recent literature linking vitamin D to major chronic diseases. Because emerging evidence indicates a potential threshold effect of vitamin D, future well-designed studies focused on diverse populations with vitamin D deficiency or insufficiency are warranted for a more comprehensive understanding of the effect of maintaining sufficient vitamin D status on the prevention of major chronic diseases.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":"1050-1061"},"PeriodicalIF":11.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141187024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Catherine Arden, Seo H Park, Xaviera Riani Yasasilka, Eun Y Lee, Myung-Shik Lee
{"title":"Autophagy and lysosomal dysfunction in diabetes and its complications.","authors":"Catherine Arden, Seo H Park, Xaviera Riani Yasasilka, Eun Y Lee, Myung-Shik Lee","doi":"10.1016/j.tem.2024.06.010","DOIUrl":"10.1016/j.tem.2024.06.010","url":null,"abstract":"<p><p>Autophagy is critical for energy homeostasis and the function of organelles such as endoplasmic reticulum (ER) and mitochondria. Dysregulated autophagy due to aging, environmental factors, or genetic predisposition can be an underlying cause of not only diabetes through β-cell dysfunction and metabolic inflammation, but also diabetic complications such as diabetic kidney diseases (DKDs). Dysfunction of lysosomes, effector organelles of autophagic degradation, due to metabolic stress or nutrients/metabolites accumulating in metabolic diseases is also emerging as a cause or aggravating element in diabetes and its complications. Here, we discuss the etiological role of dysregulated autophagy and lysosomal dysfunction in diabetes and a potential role of autophagy or lysosomal modulation as a new avenue for treatment of diabetes and its complications.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":"1078-1090"},"PeriodicalIF":11.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141762693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Emma Barroso, Javier Jurado-Aguilar, Walter Wahli, Xavier Palomer, Manuel Vázquez-Carrera
{"title":"Increased hepatic gluconeogenesis and type 2 diabetes mellitus.","authors":"Emma Barroso, Javier Jurado-Aguilar, Walter Wahli, Xavier Palomer, Manuel Vázquez-Carrera","doi":"10.1016/j.tem.2024.05.006","DOIUrl":"10.1016/j.tem.2024.05.006","url":null,"abstract":"<p><p>Abnormally increased hepatic gluconeogenesis is a significant contributor to hyperglycemia in the fasting state in patients with type 2 diabetes mellitus (T2DM) due to insulin resistance. Metformin, the most prescribed drug for the treatment of T2DM, is believed to exert its effect mainly by reducing hepatic gluconeogenesis. Here, we discuss how increased hepatic gluconeogenesis contributes to T2DM and we review newly revealed mechanisms underlying the attenuation of gluconeogenesis by metformin. In addition, we analyze the recent findings on new determinants involved in the regulation of gluconeogenesis, which might ultimately lead to the identification of novel and targeted treatment strategies for T2DM.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":"1062-1077"},"PeriodicalIF":11.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141181380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jingjuan Chen, James F Markworth, Christina Ferreira, Chi Zhang, Shihuan Kuang
{"title":"Lipid droplets as cell fate determinants in skeletal muscle.","authors":"Jingjuan Chen, James F Markworth, Christina Ferreira, Chi Zhang, Shihuan Kuang","doi":"10.1016/j.tem.2024.10.006","DOIUrl":"https://doi.org/10.1016/j.tem.2024.10.006","url":null,"abstract":"<p><p>Lipid droplets (LDs) are dynamic organelles that communicate with other cellular components to orchestrate energetic homeostasis and signal transduction. In skeletal muscle, the presence and importance of LDs have been widely studied in myofibers of both rodents and humans under physiological conditions and in metabolic disorders. However, the role of LDs in myogenic stem cells has only recently begun to be unveiled. In this review we briefly summarize the process of LD biogenesis and degradation in the most prevalent model. We then review recent knowledge on LDs in skeletal muscle and muscle stem cells. We further introduce advanced methodologies for LD imaging and mass spectrometry that have propelled our understanding of the dynamics and heterogeneity of LDs.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":""},"PeriodicalIF":11.4,"publicationDate":"2024-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142755918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ke Wang, Karina Cunha E Rocha, Houji Qin, Zixuan Zeng, Wei Ying
{"title":"Host metabolic inflammation fueled by bacterial DNA.","authors":"Ke Wang, Karina Cunha E Rocha, Houji Qin, Zixuan Zeng, Wei Ying","doi":"10.1016/j.tem.2024.11.003","DOIUrl":"https://doi.org/10.1016/j.tem.2024.11.003","url":null,"abstract":"<p><p>Metabolic diseases, characterized by chronic low-grade inflammation, exhibit a compromised gut barrier allowing the translocation of bacteria-derived products to bloodstream and distant metabolic organs. Bacterial DNA can be detected in metabolic tissues during the onset of these diseases, highlighting its role in the development of metabolic diseases. Extracellular vesicles (EVs) are involved in the delivery of bacterial DNA to the local tissues, and its sensing by the host triggers local and system inflammation. Understanding bacterial DNA translocation and its induced inflammation is crucial in deciphering metabolic disease pathways. Here, we delve into the mechanisms dictating the interaction between host physiology and bacterial DNA, focusing on its origin and delivery, host immune responses against it, and its roles in metabolic disorders.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":""},"PeriodicalIF":11.4,"publicationDate":"2024-11-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142752264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Mitochondria as sensors of intracellular pathogens.","authors":"Jose M Delgado, Lena Pernas","doi":"10.1016/j.tem.2024.10.009","DOIUrl":"https://doi.org/10.1016/j.tem.2024.10.009","url":null,"abstract":"<p><p>Mitochondria must sense their environment to enable cells and organisms to adapt to diverse environments and survive during stress. However, during microbial infection, an evolutionary pressure since the inception of the eukaryotic cell, these organelles are traditionally viewed as targets for microbes. In this opinion we consider the perspective that mitochondria are domesticated microbes that sense and guard their 'host' cell against pathogens. We explore potential mechanisms by which mitochondria detect intracellular pathogens and induce mitochondria-autonomous responses that activate cellular defenses.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":""},"PeriodicalIF":11.4,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142696205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Herbert Herzog, Lei Zhang, Luigi Fontana, G Gregory Neely
{"title":"Impact of non-sugar sweeteners on metabolism beyond sweet taste perception.","authors":"Herbert Herzog, Lei Zhang, Luigi Fontana, G Gregory Neely","doi":"10.1016/j.tem.2024.10.008","DOIUrl":"https://doi.org/10.1016/j.tem.2024.10.008","url":null,"abstract":"<p><p>Non-sugar sweeteners (NSS), low- or no-calorie alternatives to sugar, are marketed for weight loss and improved blood glucose control in people with diabetes. However, their health effects remain controversial. This review provides a brief overview of sweet taste perception and summarizes experimental findings of the impact of NSS on cardiometabolic health in animal models and humans. We also review evidence suggesting that many NSS are not metabolically inert, highlighting the challenges in related human studies. Given the conflicting and unclear data on health outcomes, additional mechanistic studies, particularly in animal models, are necessary to clarify how NSS influence feeding behaviors and energy homoeostasis.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":""},"PeriodicalIF":11.4,"publicationDate":"2024-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142649730","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stefano Auddino, Elena Aiello, Giuseppina Emanuela Grieco, Francesco Dotta, Guido Sebastiani
{"title":"A three-layer perspective on miRNA regulation in β cell inflammation.","authors":"Stefano Auddino, Elena Aiello, Giuseppina Emanuela Grieco, Francesco Dotta, Guido Sebastiani","doi":"10.1016/j.tem.2024.10.002","DOIUrl":"https://doi.org/10.1016/j.tem.2024.10.002","url":null,"abstract":"<p><p>MicroRNAs (miRNAs) are noncoding RNA molecules that regulate gene expression post-transcriptionally and influence numerous biological processes. Aberrant miRNA expression is linked to diseases such as diabetes mellitus; indeed, miRNAs regulate pancreatic islet inflammation in both type 1 (T1D) and type 2 diabetes (T2D). Traditionally, miRNA research has focused on canonical sequences and offers a two-layer view - from expression to function. However, advances in RNA sequencing have revealed miRNA variants, called isomiRs, that arise from alternative processing or modifications of canonical sequences. This introduces a three-layer view - from expression, through sequence modifications, to function. We discuss the potential link between cellular stresses and isomiR biogenesis, and how this association could improve our knowledge of islet inflammation and dysfunction.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":""},"PeriodicalIF":11.4,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142632068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Erin E Mauney, Marsha C Wibowo, Yu-Hua Tseng, Aleksandar D Kostic
{"title":"Adipose tissue-gut microbiome crosstalk in inflammation and thermogenesis.","authors":"Erin E Mauney, Marsha C Wibowo, Yu-Hua Tseng, Aleksandar D Kostic","doi":"10.1016/j.tem.2024.10.004","DOIUrl":"https://doi.org/10.1016/j.tem.2024.10.004","url":null,"abstract":"<p><p>Previously characterized as inert fat depots, adipocytes are now recognized as dynamic mediators of inflammatory tone, metabolic health, and nutrient homeostasis. As endocrine organs, specialized depots of adipose tissue engage in crosstalk between the gut, liver, pancreas, and brain to coordinate appetite, thermogenesis, and ultimately body weight. These functions are tightly linked to the inflammatory status of adipose tissue, which is in turn influenced by the health of the gut microbiome. Here, we review recent findings linking specific gut microbes and their secreted factors, including recently identified elements such as bacterial extracellular vesicles, to the functional status of adipocytes. We conclude that further study may generate novel approaches for treating obesity and metabolic disease.</p>","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":""},"PeriodicalIF":11.4,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142632285","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maria E R Garcia-Rendueles, Luis Varela, Tamas L Horvath
{"title":"Ghrelin.","authors":"Maria E R Garcia-Rendueles, Luis Varela, Tamas L Horvath","doi":"10.1016/j.tem.2024.07.002","DOIUrl":"10.1016/j.tem.2024.07.002","url":null,"abstract":"","PeriodicalId":54415,"journal":{"name":"Trends in Endocrinology and Metabolism","volume":" ","pages":"1021-1022"},"PeriodicalIF":11.4,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141762694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}