Obesity最新文献

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Validation of a novel approach to assess metabolic flexibility to a high-fat meal in a whole-body room calorimeter 在全身房间热量计中评估高脂肪膳食代谢灵活性的新方法的验证。
IF 4.2 2区 医学
Obesity Pub Date : 2025-03-06 DOI: 10.1002/oby.24245
David H. McDougal, Guillermo Sanchez-Delgado, Emily W. Flanagan, Kara L. Marlatt, Joshua R. Sparks, Shengping Yang, Leanne M. Redman, Eric Ravussin
{"title":"Validation of a novel approach to assess metabolic flexibility to a high-fat meal in a whole-body room calorimeter","authors":"David H. McDougal,&nbsp;Guillermo Sanchez-Delgado,&nbsp;Emily W. Flanagan,&nbsp;Kara L. Marlatt,&nbsp;Joshua R. Sparks,&nbsp;Shengping Yang,&nbsp;Leanne M. Redman,&nbsp;Eric Ravussin","doi":"10.1002/oby.24245","DOIUrl":"10.1002/oby.24245","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>Metabolic inflexibility to Western high-fat diets may contribute to the obesity epidemic. However, validated methods for assessing metabolic flexibility (MetFlex) to high-fat meals are currently lacking. The purpose of this study was to evaluate the reliability of a novel approach for determining MetFlex to a high-fat meal and to compare it with the gold standard for measuring MetFlex to high-carbohydrate loads.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Eight healthy adults were enrolled in our study, which consisted of the following two assessments of MetFlex: 1) MetFlex to fat, via two overnight stays in a metabolic chamber separated by 5 to 7 days; and 2) Metflex to carbohydrates, via a two-step hyperinsulinemic-euglycemic clamp measured &gt;5 days later.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Participants were predominantly White and male, with mean (SD) age of 29.4 (6.3) years and BMI of 25.4 (4.1) kg/m<sup>2</sup>. MetFlex to fat displayed satisfactory test–retest reliability (intraclass correlation coefficient &gt; 0.70) for several outcomes but showed no correlation to MetFlex measured during the clamp.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Overnight changes in substrate oxidation following a high-fat dinner meal represent a unique aspect of MetFlex that cannot be captured using more conventional methods. Our findings warrant prospective studies to determine whether these parameters are predictive of the development of obesity or metabolic dysfunction.</p>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"743-753"},"PeriodicalIF":4.2,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143574736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Food-related implicit associations predict self-reported eating behaviors and dietary habits in large US samples 在美国的大样本中,食物相关的内隐关联预测了自我报告的饮食行为和饮食习惯。
IF 4.2 2区 医学
Obesity Pub Date : 2025-03-04 DOI: 10.1002/oby.24247
Matt B. Siroty, Julia M. P. Bittner, Jennifer L. Howell, Bobby K. Cheon
{"title":"Food-related implicit associations predict self-reported eating behaviors and dietary habits in large US samples","authors":"Matt B. Siroty,&nbsp;Julia M. P. Bittner,&nbsp;Jennifer L. Howell,&nbsp;Bobby K. Cheon","doi":"10.1002/oby.24247","DOIUrl":"10.1002/oby.24247","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>Implicit associations, i.e., automatically activated attitudes and intuitions, may contribute to isolated food choices and body weight. Studies of food-related implicit associations have yielded mixed results and have not explored their role in eating behaviors or dietary patterns. We examined implicit associations toward the palatability and acceptability (vs. shame) of healthy food and their relationships with self-reported eating behaviors (eating in absence of hunger) and dietary patterns (fruit, vegetable, and sugar-sweetened beverage consumption) and socioeconomic indicators.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Two US samples (i.e., Palatable Food, <i>n</i> = 11,504; and Acceptable Food, <i>n</i> = 12,128) from Project Implicit Health were analyzed. Implicit associations were measured with Implicit Association Tests. Linear and logistic regressions examined associations of implicit and related explicit self-reported responses (perceived healthy eating and acceptability of healthy food, respectively) with eating behaviors, dietary patterns, and socioeconomic indicators.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>One-sample <i>t</i> tests revealed health-favoring implicit palatability and acceptability associations. Implicit associations predicted healthier self-reported eating behaviors and dietary patterns independent of explicit responses. There were inconsistent associations with socioeconomic indicators.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Health-favoring implicit food-related associations uniquely contribute to healthier eating behaviors and dietary patterns. These health-favoring associations could be a promising, yet underrecognized, target to promote healthier diets in the United States.</p>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"796-806"},"PeriodicalIF":4.2,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143560437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Critical analysis of dual-energy x-ray absorptiometry—measured body composition changes with voluntary weight loss 双能x线吸收测量仪的关键分析-随自愿体重减轻而测量的身体成分变化。
IF 4.2 2区 医学
Obesity Pub Date : 2025-03-03 DOI: 10.1002/oby.24255
Steven B. Heymsfield, Sophia Ramirez, Shengping Yang, Diana M. Thomas, Justin C. Brown, Stephanie L. E. Compton, John M. Schuna Jr., Steven R. Smith, David S. Ludwig, Cara B. Ebbeling
{"title":"Critical analysis of dual-energy x-ray absorptiometry—measured body composition changes with voluntary weight loss","authors":"Steven B. Heymsfield,&nbsp;Sophia Ramirez,&nbsp;Shengping Yang,&nbsp;Diana M. Thomas,&nbsp;Justin C. Brown,&nbsp;Stephanie L. E. Compton,&nbsp;John M. Schuna Jr.,&nbsp;Steven R. Smith,&nbsp;David S. Ludwig,&nbsp;Cara B. Ebbeling","doi":"10.1002/oby.24255","DOIUrl":"10.1002/oby.24255","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>When treated with a macronutrient-balanced hypocaloric diet, do male individuals who have overweight and obesity lose relatively more dual-energy x-ray absorptiometry (DXA)-measured lean soft tissue (LST) mass than female individuals? Are there changes in bone mineral content (BMC), and if so, how do they impact relative reductions in LST compared to fat-free mass (FFM; LST plus BMC)? Are decrements in fat, LST, and FFM predictable from the magnitude of weight loss or baseline body composition?</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>To answer these questions, DXA studies were conducted before and after a 9- to 12-week calorie-restriction period in 43 male and 97 female individuals who lost a mean (SD) of 10.8% (2.2%) and 10.7% (1.6%) of their baseline weight, respectively.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The proportion of weight loss as LST was significantly (<i>p</i> &lt; 0.001) larger in male (mean [SD], 0.33 [0.11] kg) than female individuals (0.25 [0.11] kg); BMC paradoxically increased, thereby leading to a significantly smaller reduction in FFM than LST in the male (−3.87 [1.73] kg vs. −3.92 [1.74] kg; <i>p</i> &lt; 0.001) and female individuals (−2.22 [1.18] kg vs. −2.24 [1.18] kg; <i>p</i> &lt; 0.001), and three different analyses showed that the composition of weight loss tracked as predicted a priori from weight change and baseline body composition.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>These observations provide insights into and future guidance for analyzing the DXA-measured body composition changes associated with newer pharmacotherapies for weight loss.</p>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"685-694"},"PeriodicalIF":4.2,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143545515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Loss of lysyl oxidase in adipose tissue ameliorates metabolic inflexibility induced by high-fat diet 脂肪组织赖氨酸氧化酶的缺失可改善高脂肪饮食引起的代谢不灵活性。
IF 4.2 2区 医学
Obesity Pub Date : 2025-03-02 DOI: 10.1002/oby.24253
Yun-Qian Zhou, Xin-Yue Chang, Lei Yang, Dongning Pan, Hai-Yan Huang
{"title":"Loss of lysyl oxidase in adipose tissue ameliorates metabolic inflexibility induced by high-fat diet","authors":"Yun-Qian Zhou,&nbsp;Xin-Yue Chang,&nbsp;Lei Yang,&nbsp;Dongning Pan,&nbsp;Hai-Yan Huang","doi":"10.1002/oby.24253","DOIUrl":"10.1002/oby.24253","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>Systemic administration of β-aminopropionitrile to inhibit lysyl oxidase (Lox) activity improves metabolism, but it exhibits a broad spectrum of effects. Clarification of the role of Lox in adipose tissue metabolism under high-fat diet (HFD) conditions is needed.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Mice with adipose tissue knockout of <i>Lox</i> (Lox<sup>AKO</sup>) and wild-type mice were subjected to a 16-week HFD regimen. A detailed evaluation encompassing adipose tissue, hepatic function, and systemic metabolism was conducted. RNA sequencing analysis was used to unravel the intricate mechanisms behind the metabolic enhancements in Lox<sup>AKO</sup> mice.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Compared with the control, although there was no difference in body weight, Lox<sup>AKO</sup> mice exhibited an improved metabolic phenotype, including enhanced insulin sensitivity, improved glucose tolerance, and reduced liver steatosis, along with reduced adipose tissue inflammation and fibrosis. Lox<sup>AKO</sup> mice showed increased thermogenic activity in brown adipose tissue with increased uncoupling protein 1 (UCP1) expression and oxygen consumption rate. Additionally, RNA sequencing analysis revealed that adipose deletion of <i>Lox</i> might facilitate the metabolic processing of glucose, branched-chain amino acids, and fatty acids in brown adipose tissue.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>These findings indicate that adipocyte <i>Lox</i> deletion improves metabolic adaptability under an HFD, highlighting Lox as a promising therapeutic target for obesity-associated metabolic disorders.</p>\u0000 \u0000 <div>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </div>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"720-731"},"PeriodicalIF":4.2,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143538278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Obesity is associated with progressive brain structural changes 肥胖与大脑结构的进行性变化有关。
IF 4.2 2区 医学
Obesity Pub Date : 2025-03-02 DOI: 10.1002/oby.24251
Huiling Zhou, Yang Hu, Guanya Li, Wenchao Zhang, Weibin Ji, Yonghuan Feng, Zaichen La, Mengshan Li, Zhao Yan, Peter Manza, Dardo Tomasi, Nora D. Volkow, Gene-Jack Wang, Yi Zhang
{"title":"Obesity is associated with progressive brain structural changes","authors":"Huiling Zhou,&nbsp;Yang Hu,&nbsp;Guanya Li,&nbsp;Wenchao Zhang,&nbsp;Weibin Ji,&nbsp;Yonghuan Feng,&nbsp;Zaichen La,&nbsp;Mengshan Li,&nbsp;Zhao Yan,&nbsp;Peter Manza,&nbsp;Dardo Tomasi,&nbsp;Nora D. Volkow,&nbsp;Gene-Jack Wang,&nbsp;Yi Zhang","doi":"10.1002/oby.24251","DOIUrl":"10.1002/oby.24251","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>The aim of this study was to investigate the relationship between obesity (OB) progression and brain structural changes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>T1-weighted magnetic resonance images were acquired from 258 participants with overweight (OW) or OB and 74 participants with normal weight. Participants with OW or OB were divided into four groups according to BMI grades. Two-sample <i>t</i> tests compared disparities between the four subgroups and the participants with normal weight. We used causal structural covariance networks to examine the progressive impact of OB on brain structure.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>With increasing BMI values, reductions in gray matter volume originated in the left caudate nucleus, medial orbitofrontal cortex, and left insula and expanded to the right hippocampus and left lateral orbitofrontal cortex and then to the right parahippocampal gyrus, left precuneus, and left dorsolateral prefrontal cortex (<i>p</i> &lt; 0.05, false discovery rate corrected). The left caudate nucleus and medial orbitofrontal cortex are the primary hubs of the directional network, exhibiting positive causality to the right hippocampus and left dorsolateral prefrontal cortex. Moreover, the right hippocampus is identified as an important transition hub.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>These findings suggest that changes in gray matter volume in individuals with OB may originate from reward/motivation processing regions, subsequently progressing to inhibitory control/learning memory regions, providing a new reference direction for clinical intervention and treatment of OB.</p>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"709-719"},"PeriodicalIF":4.2,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143538279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of Western diet on milk miRNAs and target genes in offspring adipose tissue: modulation by betaine during suckling 西方饮食对后代脂肪组织中乳mirna和靶基因的影响:在哺乳期间甜菜碱的调节。
IF 4.2 2区 医学
Obesity Pub Date : 2025-03-02 DOI: 10.1002/oby.24246
Rocío A. Martín-Chamorro, Catalina A. Pomar, Andreu Palou, Catalina Picó, Ana M. Rodríguez
{"title":"Impact of Western diet on milk miRNAs and target genes in offspring adipose tissue: modulation by betaine during suckling","authors":"Rocío A. Martín-Chamorro,&nbsp;Catalina A. Pomar,&nbsp;Andreu Palou,&nbsp;Catalina Picó,&nbsp;Ana M. Rodríguez","doi":"10.1002/oby.24246","DOIUrl":"10.1002/oby.24246","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>We investigated how a maternal Western diet (WD) affects milk microRNA (miRNA) profile and associates with metabolic programming in adipose tissues in pups. We also explored the impact of betaine supplementation during suckling, as betaine levels are reported to be reduced in WD-fed dams' milk.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A microarray analysis was performed to profile miRNA expression in dams' milk. Betaine levels were measured in the milk of dams and the plasma of their offspring. We also analyzed the expression of miRNA target genes in white and brown adipose tissues through gene expression analysis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Our findings confirm decreased betaine levels in the milk of WD-fed dams and the plasma of their offspring. The miRNA screening identified 37 deregulated miRNAs (36 downregulated), with the following 6 as the most relevant: miR-223-3p; miR-32-5p; let-7i-5p; miR-140-5p; miR-29a-3p; and miR-29c-3p (downregulated). Some of their target genes were upregulated in brown and white adipose tissues, particularly those related to thermogenesis and browning. Betaine supplementation in pups demonstrated a slight protective effect in females by enhancing thermogenic capacity.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Our results underscore the profound impact of a maternal WD on milk miRNA composition, potentially influencing gene expression, thermogenesis, and adiposity in the offspring, with sex-related differences.</p>\u0000 \u0000 <div>\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure>\u0000 </div>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"732-742"},"PeriodicalIF":4.2,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/oby.24246","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143538276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mapping the landscape of childhood obesity: genomic insights and socioeconomic status in Indian school-going children 绘制儿童肥胖的景观:基因组的见解和印度学龄儿童的社会经济地位。
IF 4.2 2区 医学
Obesity Pub Date : 2025-02-25 DOI: 10.1002/oby.24248
Janaki M. Nair, Ganesh Chauhan, Gauri Prasad, Khushdeep Bandesh, Anil K. Giri, Shraddha Chakraborty, Raman K. Marwaha, Sandeep Mathur, Devapriya Choudhury, Nikhil Tandon, Analabha Basu, Dwaipayan Bharadwaj
{"title":"Mapping the landscape of childhood obesity: genomic insights and socioeconomic status in Indian school-going children","authors":"Janaki M. Nair,&nbsp;Ganesh Chauhan,&nbsp;Gauri Prasad,&nbsp;Khushdeep Bandesh,&nbsp;Anil K. Giri,&nbsp;Shraddha Chakraborty,&nbsp;Raman K. Marwaha,&nbsp;Sandeep Mathur,&nbsp;Devapriya Choudhury,&nbsp;Nikhil Tandon,&nbsp;Analabha Basu,&nbsp;Dwaipayan Bharadwaj","doi":"10.1002/oby.24248","DOIUrl":"10.1002/oby.24248","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>Childhood obesity (OB) is influenced by complex gene–environmental interaction. While genetics of adult OB have been extensively studied, polygenic childhood OB in non-European populations is still underexplored. Furthermore, in a developing nation such as India, how the environmental component strongly modulated by the socioeconomic status (SES) shapes the genetic susceptibility is crucial to understand.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A two-staged genome-wide association study (GWAS; <i>N</i> = 5673) and an independent exome-wide association study (ExWAS; <i>N</i> = 4963) were performed using a generalized linear model assuming additive effect to identify the common and rare genetic variants respectively associated with childhood OB. Rare-variant burden testing was also performed. We used the gene expression profiles and regulatory data from public databases to explain the novel associations. The implications of SES as a potential modifier of genetic susceptibility were evaluated.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>GWAS identified novel associations in <i>TCF7L2</i>, <i>IMMP2L</i>, <i>IPMK</i>, <i>CDC5L</i>, <i>SNTG1</i>, and <i>MX1</i>, whereas ExWAS uncovered <i>CNTN4</i>, <i>COQ4</i>, <i>TNFRSF10D</i>, <i>FLG-AS1</i>, and <i>BMP3</i>. Both GWAS and ExWAS validated known associations in <i>FTO</i> and <i>MC4R</i>. Furthermore, rare-variant testing highlighted the role of 101 genes. We also observed that SES can modulate the inherent susceptibility to OB.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Our study identified genetic variants associated with childhood OB and highlighted the gene–environmental interaction in childhood OB.</p>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"754-765"},"PeriodicalIF":4.2,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143506716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predictability of genetic risk score for insulin resistance is influenced by both BMI and race 胰岛素抵抗遗传风险评分的可预测性受BMI和种族的影响。
IF 4.2 2区 医学
Obesity Pub Date : 2025-02-24 DOI: 10.1002/oby.24238
Marian L. Yurchishin, Lauren A. Fowler, Amy M. Goss, William T. Garvey, Barbara A. Gower
{"title":"Predictability of genetic risk score for insulin resistance is influenced by both BMI and race","authors":"Marian L. Yurchishin,&nbsp;Lauren A. Fowler,&nbsp;Amy M. Goss,&nbsp;William T. Garvey,&nbsp;Barbara A. Gower","doi":"10.1002/oby.24238","DOIUrl":"10.1002/oby.24238","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>The study objective was to determine whether associations between a genetic risk score (GRS) for insulin resistance (IR) and measures of insulin sensitivity differ by race and/or BMI status in African American (AA) and European American (EA) adults without diabetes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Fifty-three AA and 54 EA participants were classified into “high” or “low” BMI groups using the sample median (25.9 kg/m<sup>2</sup>) as the cut point. The GRS was derived from 52 previously identified genetic variants. Skeletal muscle insulin sensitivity was measured with the hyperinsulinemic-euglycemic clamp. The homeostasis model assessment of insulin resistance (HOMA-IR) and the Matsuda index of insulin sensitivity were calculated from oral glucose tolerance test values to determine hepatic and whole-body insulin sensitivity, respectively. Linear regression models, stratified by race, assessed interactions between BMI status and GRS on measures of insulin sensitivity.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>In EA participants, associations of GRS with HOMA-IR and the Matsuda index differed by BMI status, where the GRS was associated with IR in the high-BMI group only. In AA participants, associations from the clamp differed by BMI status, but an association was observed only in the low-BMI group.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>These results highlight the heterogeneity of IR and support the hypothesis that the relationship between genetic predisposition for IR and obesity is race- and tissue-specific.</p>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"788-795"},"PeriodicalIF":4.2,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/oby.24238","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143495124","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Zoledronic acid increases spine bone mass and prevents hip bone loss after bariatric surgery: a randomized placebo-controlled study 唑来膦酸增加脊柱骨量并防止减肥手术后髋骨丢失:一项随机安慰剂对照研究。
IF 4.2 2区 医学
Obesity Pub Date : 2025-02-20 DOI: 10.1002/oby.24214
Søren Gam, Simon Lysdahlgaard, Bibi Gram, Martin Weber Kusk, Anne Pernille Hermann, Claus Bogh Juhl, Stinus Gadegaard Hansen
{"title":"Zoledronic acid increases spine bone mass and prevents hip bone loss after bariatric surgery: a randomized placebo-controlled study","authors":"Søren Gam,&nbsp;Simon Lysdahlgaard,&nbsp;Bibi Gram,&nbsp;Martin Weber Kusk,&nbsp;Anne Pernille Hermann,&nbsp;Claus Bogh Juhl,&nbsp;Stinus Gadegaard Hansen","doi":"10.1002/oby.24214","DOIUrl":"10.1002/oby.24214","url":null,"abstract":"<div>\u0000 \u0000 \u0000 <section>\u0000 \u0000 <h3> Objective</h3>\u0000 \u0000 <p>The aim of this study was to investigate the effects of zoledronic acid for the prevention of bone loss after bariatric surgery.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>In this randomized, double-blinded study, 59 patients undergoing Roux-en-Y gastric bypass or sleeve gastrectomy (mean [SD], age: 48.9 [6.3] years, BMI: 42.3 [5.3], 73% female) were randomly assigned (1:1) to receive either zoledronic acid (5 mg; intervention [INT]) or placebo (control [CON]) preoperatively. The primary endpoint was the change in spine volumetric bone mineral density (vBMD) at 12 months after surgery. Secondary outcomes included changes in hip and femoral neck vBMD and areal BMD.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The estimated mean treatment effects of zoledronic acid on the spine and total hip were 6.8 mg/cm<sup>3</sup> (95% CI 1.9–11.7; <i>p</i> = 0.003) and 5.0 mg/cm<sup>3</sup> (95% CI: 1.4–8.5; <i>p</i> = 0.006), respectively. Bone mass in the spine increased by 2.6% in INT, whereas no changes were observed in CON. Additionally, bone loss in the total hip was prevented in INT compared with CON (vBMD: −0.6% vs. −3.6%; <i>p</i> = 0.006).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Zoledronic acid increases bone mass in the spine and prevents bone loss in the hip region after bariatric surgery compared with placebo.</p>\u0000 </section>\u0000 </div>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 4","pages":"659-670"},"PeriodicalIF":4.2,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/oby.24214","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction to “A meta-analysis comparing the effectiveness of alternate day fasting, the 5:2 diet, and time-restricted eating for weight loss” 更正“一项比较隔日禁食、5:2饮食和限时饮食减肥效果的荟萃分析”。
IF 4.2 2区 医学
Obesity Pub Date : 2025-02-20 DOI: 10.1002/oby.24266
{"title":"Correction to “A meta-analysis comparing the effectiveness of alternate day fasting, the 5:2 diet, and time-restricted eating for weight loss”","authors":"","doi":"10.1002/oby.24266","DOIUrl":"10.1002/oby.24266","url":null,"abstract":"<p>\u0000 <span>Elortegui Pascual, P</span>, <span>Rolands, MR</span>, <span>Eldridge, AL</span>, <span>Kassis, A</span>, <span>Mainardi, F</span>, <span>Lê, KA</span>, <span>Karagounis, LG</span>, <span>Gut, P</span>, <span>Varady, KA</span>. <span>A meta-analysis comparing the effectiveness of alternate day fasting, the 5:2 diet, and time-restricted eating for weight loss</span>. <i>Obesity (Silver Spring)</i>. <span>2023</span>; <span>31</span>(<span>S1</span>): <span>9</span>–<span>21</span>. doi:10.1002/oby.23568\u0000 </p><p>In Figure 1, there is a miscount error in the “Records excluded based on title” box. “Records excluded based on title (<i>n</i> = 1748)” was incorrect. The number of articles should be <i>n</i> = 1747. The error occurred during the reporting of the number and does not affect the selection process or the validity of the final papers selected and analyzed.</p><p>We apologize for this error.</p>","PeriodicalId":215,"journal":{"name":"Obesity","volume":"33 5","pages":"1011"},"PeriodicalIF":4.2,"publicationDate":"2025-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/oby.24266","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143470359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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