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Adjei NK, Samkange-Zeeb F, Boakye D, Saleem M, Christianson L, Kebede MM, Heise TL, Brand T, Esan OB, Taylor-Robinson DC, Agyemang C, Zeeb H. Ethnic differences in metabolic syndrome in high-income countries: A systematic review and meta-analysis. Rev Endocr Metab Disord 2024; 25:727-750. [PMID: 38598068 PMCID: PMC11294386 DOI: 10.1007/s11154-024-09879-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/23/2024] [Indexed: 04/11/2024]
Abstract
This review aimed to systematically quantify the differences in Metabolic Syndrome (MetS) prevalence across various ethnic groups in high-income countries by sex, and to evaluate the overall prevalence trends from 1996 to 2022. We conducted a systematic literature review using MEDLINE, Web of Science Core Collection, CINAHL, and the Cochrane Library, focusing on studies about MetS prevalence among ethnic groups in high-income countries. We pooled 23 studies that used NCEP-ATP III criteria and included 147,756 healthy participants aged 18 and above. We calculated pooled prevalence estimates and 95% confidence intervals (CI) using both fixed-effect and random-effect intercept logistic regression models. Data were analysed for 3 periods: 1996-2005, 2006-2009, and 2010-2021. The pooled prevalence of MetS in high-income countries, based on the NCEP-ATP III criteria, was 27.4% over the studied period, showing an increase from 24.2% in 1996-2005 to 31.9% in 2010-2021, with men and women having similar rates. When stratified by ethnicity and sex, ethnic minority women experienced the highest prevalence at 31.7%, while ethnic majority women had the lowest at 22.7%. Notably, MetS was more prevalent in ethnic minority women than men. Among ethnic minorities, women had a higher prevalence of MetS than men, and the difference was highest in Asians (about 15 percentage points). Among women, the prevalence of MetS was highest in Asians (41.2%) and lowest in Blacks/Africans (26.7%). Among men, it was highest in indigenous minority groups (34.3%) and lowest among in Blacks/Africans (19.8%). MetS is increasing at an alarming rate in high-income countries, particularly among ethnic minority women. The burden of MetS could be effectively reduced by tailoring interventions according to ethnic variations and risk profiles.
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Affiliation(s)
- Nicholas Kofi Adjei
- Department of Public Health, Policy and Systems, University of Liverpool, Waterhouse Building 2nd Floor Block F, Liverpool, L69 3GL, UK.
- Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany.
- Health Sciences Bremen, University of Bremen, Bremen, Germany.
| | | | - Daniel Boakye
- Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany
| | - Maham Saleem
- Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany
| | - Lara Christianson
- Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany
| | | | - Thomas L Heise
- Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany
| | - Tilman Brand
- Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany
| | - Oluwaseun B Esan
- Department of Public Health, Policy and Systems, University of Liverpool, Waterhouse Building 2nd Floor Block F, Liverpool, L69 3GL, UK
| | - David C Taylor-Robinson
- Department of Public Health, Policy and Systems, University of Liverpool, Waterhouse Building 2nd Floor Block F, Liverpool, L69 3GL, UK
| | - Charles Agyemang
- Department of Public Health, Amsterdam Public Health Research Institute, Academic Medical Center, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Hajo Zeeb
- Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany
- Health Sciences Bremen, University of Bremen, Bremen, Germany
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Wilkens LR, Castelfranco AM, Monroe KR, Kristal BS, Cheng I, Maskarinec G, Hullar MA, Lampe JW, Shepherd JA, Franke AA, Ernst T, Le Marchand L, Lim U. Prediction of future visceral adiposity and application to cancer research: The Multiethnic Cohort Study. PLoS One 2024; 19:e0306606. [PMID: 39024224 PMCID: PMC11257330 DOI: 10.1371/journal.pone.0306606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 06/21/2024] [Indexed: 07/20/2024] Open
Abstract
BACKGROUND We previously developed a prediction score for MRI-quantified abdominal visceral adipose tissue (VAT) based on concurrent measurements of height, body mass index (BMI), and nine blood biomarkers, for optimal performance in five racial/ethnic groups. Here we evaluated the VAT score for prediction of future VAT and examined if enhancement with additional biomarkers, lifestyle behavior information, and medical history improves the prediction. METHODS We examined 500 participants from the Multiethnic Cohort (MEC) with detailed data (age 50-66) collected 10 years prior to their MRI assessment of VAT. We generated three forecasted VAT prediction models: first by applying the original VAT equation to the past data on the predictors ("original"), second by refitting the past data on anthropometry and biomarkers ("refit"), and third by building a new prediction model based on the past data enhanced with lifestyle and medical history ("enhanced"). We compared the forecasted prediction scores to future VAT using the coefficient of determination (R2). In independent nested case-control data in MEC, we applied the concurrent and forecasted VAT models to assess association of the scores with subsequent incident breast cancer (950 pairs) and colorectal cancer (831 pairs). RESULTS Compared to the VAT prediction by the concurrent VAT score (R2 = 0.70 in men, 0.68 in women), the forecasted original VAT score (R2 = 0.54, 0.48) performed better than past anthropometry alone (R2 = 0.47, 0.40) or two published scores (VAI, METS-VF). The forecasted refit (R2 = 0.61, 0.51) and enhanced (R2 = 0.62, 0.55) VAT scores each showed slight improvements. Similar to the concurrent VAT score, the forecasted VAT scores were associated with breast cancer, but not colorectal cancer. Both the refit score (adjusted OR for tertile 3 vs. 1 = 1.27; 95% CI: 1.00-1.62) and enhanced score (1.27; 0.99-1.62) were associated with breast cancer independently of BMI. CONCLUSIONS Predicted VAT from midlife data can be used as a surrogate to assess the effect of VAT on incident diseases associated with obesity, as illustrated for postmenopausal breast cancer.
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Affiliation(s)
- Lynne R. Wilkens
- University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America
| | - Ann M. Castelfranco
- Pacific Biosciences Research Center, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America
| | - Kristine R. Monroe
- Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Bruce S. Kristal
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, Massachusetts, United States of America
| | - Iona Cheng
- School of Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Gertraud Maskarinec
- University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America
| | - Meredith A. Hullar
- Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - Johanna W. Lampe
- Fred Hutchinson Cancer Center, Seattle, Washington, United States of America
| | - John A. Shepherd
- University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America
| | - Adrian A. Franke
- University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America
| | - Thomas Ernst
- University of Maryland School of Medicine, Baltimore, Maryland, United States of America
| | - Loïc Le Marchand
- University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America
| | - Unhee Lim
- University of Hawaii Cancer Center, University of Hawaii at Manoa, Honolulu, Hawaii, United States of America
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Zhao J, Cai X, Hu J, Song S, Zhu Q, Shen D, Yang W, Luo Q, Yao X, Zhang D, Hong J, Li N. J-Shaped Relationship Between Weight-Adjusted-Waist Index and Cardiovascular Disease Risk in Hypertensive Patients with Obstructive Sleep Apnea: A Cohort Study. Diabetes Metab Syndr Obes 2024; 17:2671-2681. [PMID: 38978818 PMCID: PMC11228610 DOI: 10.2147/dmso.s469376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Accepted: 06/22/2024] [Indexed: 07/10/2024] Open
Abstract
Background A newly introduced obesity-related index, the weight-adjusted-waist index (WWI), emerges as a promising predictor of cardiovascular disease (CVD). Given the known synergistic effects of hypertension and obstructive sleep apnea (OSA) on cardiovascular risk, we aimed to explore the relationship between the WWI and CVD risk specifically within this high-risk cohort. Methods A total of 2265 participants with hypertension and OSA were included in the study. Multivariate Cox regression analysis was used to calculate hazard ratios (HRs) and 95% confidence intervals (CIs) for CVD events. The restricted cubic spline (RCS) was used to further evaluate the nonlinear dose-response relationship. Results During a median follow-up period of 6.8 years, 324 participants experienced a CVD event. Multivariate Cox regression analysis revealed that compared to the reference group, the HRs for the second, third, and fourth groups were 1.12 (95% CI, 0.79-1.59), 1.35 (95% CI, 0.96-1.89), and 1.58 (95% CI, 1.13-2.22), respectively. Moreover, RCS analysis illustrated a clear J-shaped relationship between the WWI and CVD risk, particularly notable when WWI exceeded 11.5 cm/√kg, signifying a significant increase in CVD risk. Conclusion There was a J-shaped relationship between WWI and CVD in hypertensive patients with OSA, especially when the WWI was greater than 11.5 cm/√kg, the risk of CVD was significantly increased.
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Affiliation(s)
- Jianwen Zhao
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Xintian Cai
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Junli Hu
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Shuaiwei Song
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Qing Zhu
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Di Shen
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Wenbo Yang
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Qin Luo
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Xiaoguang Yao
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Delian Zhang
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Jing Hong
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
| | - Nanfang Li
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Hypertension Institute, Urumqi, Xinjiang, 830001, People's Republic of China
- NHC Key Laboratory of Hypertension Clinical Research, Urumqi, Xinjiang 830001 People's Republic of China
- Key Laboratory of Xinjiang Uygur Autonomous Region "Hypertension Research Laboratory", Urumqi, Xinjiang, 830001, People's Republic of China
- Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, 830001, People's Republic of China
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Qiu L, Ren Y, Li J, Li M, Li W, Qin L, Ning C, Zhang J, Gao F. Association of systemic immune inflammatory index with obesity and abdominal obesity: A cross-sectional study from NHANES. Nutr Metab Cardiovasc Dis 2024:S0939-4753(24)00229-1. [PMID: 39069464 DOI: 10.1016/j.numecd.2024.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/31/2024] [Accepted: 06/03/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND AND AIM Our aim was to explore the potential relationship between SII and obesity, as well as abdominal obesity. METHODS AND RESULTS We utilized a weighted multivariable logistic regression model to investigate the relationship between SII and obesity, as well as abdominal obesity. Generalized additive models were employed to test for non-linear associations. Subsequently, we constructed a two-piecewise linear regression model and conducted a recursive algorithm to calculate inflection points. Additionally, subgroup analyses and interaction tests were performed. A total of 7,880 U.S. adult participants from NHANES 2011-2018 were recruited for this study. In the regression model adjusted for all confounding variables, the odds ratios (95% confidence intervals) for the association between SII/100 and obesity, as well as abdominal obesity, were 1.03 (1.01, 1.06) and 1.04 (1.01, 1.08) respectively. There was a non-linear and reverse U-shaped association between SII/100 and obesity, as well as abdominal obesity, with inflection points at 7.32 and 9.98 respectively. Significant positive correlations were observed before the inflection points, while significant negative correlations were found after the inflection points. There was a statistically significant interaction in the analysis of age, hypertension, and diabetes. Moreover, a notable interaction is observed between SII/100 and abdominal obesity within non-Hispanic Asian populations. CONCLUSIONS In adults from the United States, there is a positive correlation between SII and the high risk of obesity, as well as abdominal obesity. Further large-scale prospective studies are needed to analyze the role of SII in obesity and abdominal obesity.
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Affiliation(s)
- Linjie Qiu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yan Ren
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jixin Li
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Meijie Li
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Wenjie Li
- Shanxi University of Chinese Medicine, Shanxi, China
| | - Lingli Qin
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Chunhui Ning
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jin Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Feng Gao
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.
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Lewis MY, Yonemori K, Ross A, Wilkens LR, Shepherd J, Cassel K, Stenger A, Rettenmeier C, Lim U, Boushey C, Le Marchand L. Effect of Intermittent vs. Continuous Energy Restriction on Visceral Fat: Protocol for The Healthy Diet and Lifestyle Study 2 (HDLS2). Nutrients 2024; 16:1478. [PMID: 38794715 PMCID: PMC11123735 DOI: 10.3390/nu16101478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/06/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024] Open
Abstract
Obesity in the United States and Western countries represents a major health challenge associated with an increased risk of metabolic diseases, including cardiovascular disease, hypertension, diabetes, and certain cancers. Our past work revealed a more pronounced obesity-cancer link in certain ethnic groups, motivating us to develop a tailored dietary intervention called the Healthy Diet and Lifestyle 2 (HDLS2). The study protocol is described herein for this randomized six-month trial examining the effects of intermittent energy restriction (5:2 Diet) plus the Mediterranean dietary pattern (IER + MED) on visceral adipose tissue (VAT), liver fat, and metabolic biomarkers, compared to a standard MED with daily energy restriction (DER + MED), in a diverse participant group. Using MRI and DXA scans for body composition analysis, as well as metabolic profiling, this research aims to contribute to nutritional guidelines and strategies for visceral obesity reduction. The potential benefits of IER + MED, particularly regarding VAT reduction and metabolic health improvement, could be pivotal in mitigating the obesity epidemic and its metabolic sequelae. The ongoing study will provide essential insights into the efficacy of these energy restriction approaches across varied racial/ethnic backgrounds, addressing an urgent need in nutrition and metabolic health research. Registered Trial, National Institutes of Health, ClinicalTrials.gov (NCT05132686).
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Affiliation(s)
- Michelle Y. Lewis
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
| | - Kim Yonemori
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
| | - Alison Ross
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
| | - Lynne R. Wilkens
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
| | - John Shepherd
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
| | - Kevin Cassel
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
| | - Andrew Stenger
- MRI Research Center, John A. Burns School of Medicine, University of Hawai’i, Honolulu, Hi 96813, USA
| | - Christoph Rettenmeier
- MRI Research Center, John A. Burns School of Medicine, University of Hawai’i, Honolulu, Hi 96813, USA
| | - Unhee Lim
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
| | - Carol Boushey
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
| | - Loïc Le Marchand
- Population Sciences in the Pacific Program, University of Hawai’i Cancer Center, Honolulu, HI 96813, USA
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Yin T, Chen S, Zhu Y, Kong L, Li Q, Zhang G, He H. Insulin resistance, combined with health-related lifestyles, psychological traits and adverse cardiometabolic profiles, is associated with cardiovascular diseases: findings from the BHMC study. Food Funct 2024; 15:3864-3875. [PMID: 38516900 DOI: 10.1039/d4fo00941j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
The triglyceride glucose (TyG) index is a reliable marker of insulin resistance; however, its combined impact with modifiable lifestyle risk factors and psychological traits on cardiovascular diseases (CVDs) remains unclear. The aim of this study was to explore the relationship between the TyG index, various behavioral factors, psychological traits, and CVDs. A total of 77 752 adults aged 18 and over from the baseline survey of the Beijing Health Management Cohort study were investigated. Associations of the TyG index, body roundness index (BRI), dietary habits, psychological traits, and sleep habits with CVDs were estimated using multivariable logistic regression models. Compared to the Q1 level, the Q4 level of the TyG index had an odds ratio (OR) and 95% confidence interval (CI) of 2.30 (1.98-2.68) for CVD risk in men and 2.12 (1.81-2.48) in women. Compared to a sleep duration of more than 7 hours, a sleep duration less than 5 hours had a 32% (8%-61%) higher risk in men and 22% (1%-48%) in women. The ORs (95% CIs) for fast eating compared to normal speed were 1.47 (1.23-1.76) in men and 1.17 (1.05-1.29) in women. Compared to individuals with a passive and depressed psychological trait, those who were positive and optimistic had a 47% (36%-56%) decreased risk in men and 43% (31%-53%) in women. In the age-stratified analysis, a higher BRI level showed a sex-differential effect on CVDs, which is potentially related to a lower risk of CVDs in elderly men. A high level of the TyG index combined with unhealthy lifestyle factors indicates a higher risk of CVDs, while maintaining a positive and optimistic psychological trait acts as a protective factor. These findings may be valuable for identifying high-risk populations for CVDs in community settings.
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Affiliation(s)
- Tao Yin
- Department of Technology, Capital Institute of Pediatrics, Beijing, China
| | - Shuo Chen
- Beijing Physical Examination Center, Beijing, China.
| | - Yingying Zhu
- Department of Otolaryngology-Head and Neck Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, China.
| | - Linrun Kong
- Beijing Physical Examination Center, Beijing, China.
| | - Qiang Li
- Beijing Physical Examination Center, Beijing, China.
| | - Guohong Zhang
- Beijing Physical Examination Center, Beijing, China.
| | - Huijing He
- Department of Epidemiology and Statistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & School of Basic Medicine, Peking Union Medical College, Beijing, China.
- State Key Laboratory of Common Mechanism Research for Major Diseases, Beijing, China
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Dhokte S, Czaja K. Visceral Adipose Tissue: The Hidden Culprit for Type 2 Diabetes. Nutrients 2024; 16:1015. [PMID: 38613048 PMCID: PMC11013274 DOI: 10.3390/nu16071015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/14/2024] Open
Abstract
Type 2 diabetes (T2D) is a chronic metabolic disorder characterized by insulin resistance in various tissues. Though conventionally associated with obesity, current research indicates that visceral adipose tissue (VAT) is the leading determining factor, wielding more influence regardless of individual body mass. The heightened metabolic activity of VAT encourages the circulation of free fatty acid (FFA) molecules, which induce insulin resistance in surrounding tissues. Individuals most vulnerable to this preferential fat deposition are older males with ancestral ties to Asian countries because genetics and sex hormones are pivotal factors for VAT accumulation. However, interventions in one's diet and lifestyle have the potential to strategically discourage the growth of VAT. This illuminates the possibility that the expansion of VAT and, subsequently, the risk of T2D development are preventable. Therefore, by reducing the amount of VAT accumulated in an individual and preventing it from building up, one can effectively control and prevent the development of T2D.
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Affiliation(s)
| | - Krzysztof Czaja
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Georgia, Athens, GA 30602, USA;
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Sniatynski MJ, Shepherd JA, Wilkens LR, Hsu DF, Kristal BS. The DIRAC framework: Geometric structure underlies roles of diversity and accuracy in combining classifiers. PATTERNS (NEW YORK, N.Y.) 2024; 5:100924. [PMID: 38487799 PMCID: PMC10935508 DOI: 10.1016/j.patter.2024.100924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 09/16/2023] [Accepted: 01/08/2024] [Indexed: 03/17/2024]
Abstract
Combining classification systems potentially improves predictive accuracy, but outcomes have proven impossible to predict. Similar to improving binary classification with fusion, fusing ranking systems most commonly increases Pearson or Spearman correlations with a target when the input classifiers are "sufficiently good" (generalized as "accuracy") and "sufficiently different" (generalized as "diversity"), but the individual and joint quantitative influence of these factors on the final outcome remains unknown. We resolve these issues. Building on our previous empirical work establishing the DIRAC (DIversity of Ranks and ACcuracy) framework, which accurately predicts the outcome of fusing binary classifiers, we demonstrate that the DIRAC framework similarly explains the outcome of fusing ranking systems. Specifically, precise geometric representation of diversity and accuracy as angle-based distances within rank-based combinatorial structures (permutahedra) fully captures their synergistic roles in rank approximation, uncouples them from the specific metrics of a given problem, and represents them as generally as possible.
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Affiliation(s)
- Matthew J. Sniatynski
- Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women’s Hospital, Boston, MA 02115, USA
- Division of Sleep Medicine, Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - John A. Shepherd
- School of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Lynne R. Wilkens
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, HI, USA
| | - D. Frank Hsu
- Department of Computer and Information Science, Fordham University, New York, NY 10023, USA
| | - Bruce S. Kristal
- Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women’s Hospital, Boston, MA 02115, USA
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9
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Klapp R, Nimptsch K, Pischon T, Wilkens LR, Lim U, Guillermo C, Setiawan VW, Shepherd JA, Le Marchand L, Maskarinec G. The association of a healthy lifestyle index and imaging-based body fat distribution with glycemic status and Type 2 diabetes in the Multi Ethnic Cohort: a cross-sectional analysis. Eur J Clin Nutr 2024; 78:236-242. [PMID: 38097807 DOI: 10.1038/s41430-023-01381-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 03/13/2024]
Abstract
INTRODUCTION As several behaviors captured by the Lifestyle Risk Factor Index (LSRI) are protective against Type 2 diabetes (T2D) and may affect body fat distribution, we examined its relation with both outcomes. METHODS In a subset of the Multiethnic Cohort, participants from five ethnic groups (60-77 years) were assigned LSRI scores (one point each for consuming <1 (women)/<2 (men) alcoholic drinks/day, ≥1.5 physical activity hours/week, not smoking, and adhering to ≥3/7 dietary recommendations). All participants completed an extensive Quantitative Food Frequency Questionnaire to allow estimation of adherence to intake recommendations for fruits, vegetables, refined and whole grains, fish, processed and non-processed meat. Glycemic/T2D status was classified according to self-reports and fasting glucose. We estimated prevalence odds ratios (POR) of LSRI with glycemic/T2D status and DXA- and MRI-based body fat distribution using logistic regression. RESULTS Of 1713 participants, 43% had normoglycemia, 30% Pre-T2D, 9% Undiagnosed T2D, and 18% T2D. Overall, 39% scored 0-2, 49% 3, and 12% 4 LSRI points. T2D prevalence was 55% (POR 0.45; 95% confidence intervals 0.27, 0.76) lower for 4 vs. 0-2 LSRI points with weaker associations for abnormal glycemic status. Despite the low adherence to dietary recommendations (22%), this was the only component related to lower T2D prevalence. The inverse LSRI-T2D association was only observed among Latinos and Japanese Americans in ethnic-specific models. Visceral fat measures were higher in T2D patients and attenuated the LSRI-T2D association. CONCLUSION These findings support the role of a healthy lifestyle, especially diet, in T2D prevention with differences across ethnicity.
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Affiliation(s)
- Rebecca Klapp
- University of Hawai'i Cancer Center, Honolulu, HI, USA
| | | | - Tobias Pischon
- Max Delbrück Centrum für Molekulare Medizin, Berlin, Germany
| | | | - Unhee Lim
- University of Hawai'i Cancer Center, Honolulu, HI, USA
| | | | | | | | | | - Gertraud Maskarinec
- University of Hawai'i Cancer Center, Honolulu, HI, USA.
- Max Delbrück Centrum für Molekulare Medizin, Berlin, Germany.
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10
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Maskarinec G, Shvetsov Y, Wong MC, Cataldi D, Bennett J, Garber AK, Buchthal SD, Heymsfield SB, Shepherd JA. Predictors of visceral and subcutaneous adipose tissue and muscle density: The ShapeUp! Kids study. Nutr Metab Cardiovasc Dis 2024; 34:799-806. [PMID: 38218711 PMCID: PMC10922397 DOI: 10.1016/j.numecd.2023.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2023] [Revised: 12/02/2023] [Accepted: 12/14/2023] [Indexed: 01/15/2024]
Abstract
BACKGROUND AND AIMS Body fat distribution, i.e., visceral (VAT), subcutaneous adipose tissue (SAT) and intramuscular fat, is important for disease prevention, but sex and ethnic differences are not well understood. Our aim was to identify anthropometric, demographic, and lifestyle predictors for these outcomes. METHODS AND RESULTS The cross-sectional ShapeUp!Kids study was conducted among five ethnic groups aged 5-18 years. All participants completed questionnaires, anthropometric measurements, and abdominal MRI scans. VAT and SAT areas at four lumbar levels and muscle density were assessed manually. General linear models were applied to estimate coefficients of determination (R2) and to compare the fit of VAT and SAT prediction models. After exclusions, the study population had 133 male and 170 female participants. Girls had higher BMI-z scores, waist circumference (WC), and SAT than boys but lower VAT/SAT and muscle density. SAT, VAT, and VAT/SAT but not muscle density differed significantly by ethnicity. R2 values were higher for SAT than VAT across groups and improved slightly after adding WC. For SAT, R2 increased from 0.85 to 0.88 (girls) and 0.62 to 0.71 (boys) when WC was added while VAT models improved from 0.62 to 0.65 (girls) and 0.57 to 0.62 (boys). VAT values were significantly lower among Blacks than Whites with little difference for the other groups. CONCLUSION This analysis in a multiethnic population identified BMI-z scores and WC as the major predictors of MRI-derived SAT and VAT and highlights the important ethnic differences that need to be considered in diverse populations.
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Affiliation(s)
| | | | | | - Devon Cataldi
- University of Hawaii Cancer Center, Honolulu, HI, USA
| | | | - Andrea K Garber
- University of California at San Francisco, San Francisco, CA, USA
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11
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Wang S, Shi S, Huang Y, Huang H, Zhong VW. Severity of abdominal obesity and cardiometabolic diseases in US adults. Public Health 2024; 227:154-162. [PMID: 38232563 DOI: 10.1016/j.puhe.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/13/2023] [Accepted: 12/05/2023] [Indexed: 01/19/2024]
Abstract
OBJECTIVES To determine the prevalence of cardiometabolic diseases (CMDs) among adults with abdominal obesity and to evaluate the necessity of differentiating severity of abdominal obesity. STUDY DESIGN Cross-sectional study and prospective cohort study. METHODS National Health and Nutrition Examination Survey (NHANES) data between 2011 and 2020 were included for cross-sectional analyses. Class I, II and III abdominal obesity were created by dividing waist circumference within sex-specific abdominal obesity range into tertiles. Age-standardized prevalence of CMDs was estimated and differences by severity of abdominal obesity were compared using Poisson regressions. Prospective analyses were performed using NHANES data between 1988 and 2018 with linked mortality data. Cox proportional hazards models were used to assess the association between severity of abdominal obesity and mortality. RESULTS Among 23,168 adults included (mean age: 47.8 years, 49.3% men), 13,307 (57.4%) had abdominal obesity. Among adults with abdominal obesity, the estimated prevalence of diabetes was 17.3% (95% confidence interval: 16.3%, 18.2%), hypertension 39.3% (38.2%, 40.3%), dyslipidemia 59.5% (58.0%, 61.1%), cardiovascular disease 9.0% (8.3%, 9.8%), chronic kidney disease 16.8% (15.9%, 17.7%) and non-alcoholic fatty liver disease 39.9% (38.4%, 41.4%). The estimated prevalence was 55.5% (53.8%, 57.2%) for having ≥2 CMDs. Compared with class I abdominal obesity, class III abdominal obesity was related to a 43%-184% higher prevalence of CMDs and a 44% higher risk of all-cause mortality. CONCLUSIONS The prevalence of CMDs was high and multimorbidity of CMDs was common among US adults with abdominal obesity. The prevalence of CMDs and risk of mortality differed significantly by severity of abdominal obesity.
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Affiliation(s)
- S Wang
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - S Shi
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Y Huang
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - H Huang
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - V W Zhong
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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12
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Tsuzaki J, Maskarinec G, Mapa V, Shvetsov YB, Park SY, Monroe KR, Lim U, Le Marchand L, Boushey CJ. Diet Quality and Body Mass Index Over 20 Years in the Multiethnic Cohort. J Acad Nutr Diet 2024; 124:194-204. [PMID: 36758897 PMCID: PMC10404631 DOI: 10.1016/j.jand.2023.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 01/15/2023] [Accepted: 02/02/2023] [Indexed: 02/10/2023]
Abstract
BACKGROUND With increasing rates of overweight and obesity and disparities by ethnicity, it is important to understand the role of diet in ameliorating this health problem. OBJECTIVE This study examined the relation of diet quality as measured by the Healthy Eating Index 2015 with body mass index (BMI; calculated as kg/m2) and obesity among participants of the Multiethnic Cohort (MEC) in cross-sectional analyses at 3 time points (T-1, T-2, and T-3) over 20 years. DESIGN In a subset of 1,860 MEC participants, 3 cross-sectional analyses at cohort entry (1993 to 1996, T-1) and follow-ups in 2003 to 2008 (T-2) and 2013 to 2016 (T-3) were performed. PARTICIPANTS/SETTING The cohort consists of African American, Native Hawaiian, Japanese American, Latino, and White adults in Hawaii and California; mean age was 48 years at T-1. MAIN OUTCOME MEASURE BMI and weight status in relation to diet quality were measured. STATISTICAL ANALYSIS Linear and multinomial logistic regressions were applied to analyze the relation of diet quality with BMI and obesity, while adjusting for known confounders. RESULTS Healthy Eating Index 2015 increased by 6.1 and 5.1 units for men and women, respectively, from T-1 to T-3; the respective values for BMI were 1.5 and 2.4. Diet quality was inversely associated with BMI across time: BMI was lower by -0.47, -0.72, and -0.92 units for every 10-point increase in Healthy Eating Index 2015 scores at T-1, T-2, and T-3, respectively (P < .0001 for all). During the 20 years, the association was consistently high among Japanese American participants (-0.79, -0.87, and -1.02) and weakest in African American cohort members (-0.34, -0.37, and -0.40). Higher diet quality was related to lower odds of having obesity at all 3 time points; prevalence odds ratios were 0.72, 0.57, and 0.60. CONCLUSIONS These findings suggest that consuming a high-quality diet is related to lower BMI and rates of overweight and obesity but with the strongest association at an older age. To understand the ethnic differences, investigations of dietary habits and behaviors and/or fat distribution patterns will be needed in the future.
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Affiliation(s)
- Jenna Tsuzaki
- University of Hawaii Cancer Center, Honolulu, Hawaii
| | | | | | | | - Song-Yi Park
- University of Hawaii Cancer Center, Honolulu, Hawaii
| | | | - Unhee Lim
- University of Hawaii Cancer Center, Honolulu, Hawaii
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13
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Merritt MA, Lim U, Lampe JW, Kaenkumchorn T, Boushey CJ, Wilkens LR, Shepherd JA, Ernst T, Le Marchand L. Dietary intake and visceral adiposity in older adults: The Multiethnic Cohort Adiposity Phenotype study. Obes Sci Pract 2024; 10:e734. [PMID: 38259353 PMCID: PMC10802887 DOI: 10.1002/osp4.734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 12/01/2023] [Accepted: 12/29/2023] [Indexed: 01/24/2024] Open
Abstract
Background There are established links between the accumulation of body fat as visceral adipose tissue (VAT) and the risk of developing obesity-associated metabolic disease. Previous studies have suggested that levels of intake of specific foods and nutrients are associated with VAT accumulation after accounting for total energy intake. Objective This study assessed associations between a priori selected dietary factors on VAT quantified using abdominal magnetic resonance imaging. Methods The cross-sectional Multiethnic Cohort Adiposity Phenotype Study included n = 395 White, n = 274 Black, n = 269 Native Hawaiian, n = 425 Japanese American and n = 358 Latino participants (mean age = 69 years ± 3 SD). Participants were enrolled stratified on sex, race, ethnicity and body mass index. General linear models were used to estimate the mean VAT area (cm2) for participants categorized into quartiles based on their dietary intake of selected foods/nutrients adjusting for age, sex, racial and ethnic groups, the total percentage fat from whole-body dual energy X-ray absorptiometry and total energy. Results There were significant inverse associations with VAT for dietary intake of total vegetables, total fruits (including juice), cereals, whole grains, calcium, copper and dietary fiber (p-trend ≤0.04). Positive trends were observed for VAT for participants who reported higher intake of potatoes, total fat and saturated fatty acids (SFA) (p-trend ≤0.02). Foods/nutrients that met the multiple testing significance threshold were total fruits, whole grains, copper, dietary fiber and SFA intake. Conclusions These results highlight foods and nutrients including SFA, total fruit, whole grains, fiber and copper as potential candidates for future research to inform dietary guidelines for the prevention of chronic disease among older adults.
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Affiliation(s)
- Melissa A. Merritt
- The Daffodil CentreThe University of Sydney, a Joint Venture with Cancer Council NSWSydneyNew South WalesAustralia
- Faculty of Medicine and HealthThe University of SydneySydneyNew South WalesAustralia
- Cancer Epidemiology ProgramUniversity of Hawaii Cancer CenterUniversity of HawaiiHonoluluHawaiiUSA
| | - Unhee Lim
- Cancer Epidemiology ProgramUniversity of Hawaii Cancer CenterUniversity of HawaiiHonoluluHawaiiUSA
| | - Johanna W. Lampe
- Division of Public Health SciencesFred Hutchinson Cancer Research CenterSeattleWashingtonUSA
| | - Tanyaporn Kaenkumchorn
- Division of Pediatric Gastroenterology, Hepatology, and NutritionDepartment of PediatricsSeattle Children's HospitalSeattleWashingtonUSA
| | - Carol J. Boushey
- Cancer Epidemiology ProgramUniversity of Hawaii Cancer CenterUniversity of HawaiiHonoluluHawaiiUSA
| | - Lynne R. Wilkens
- Cancer Epidemiology ProgramUniversity of Hawaii Cancer CenterUniversity of HawaiiHonoluluHawaiiUSA
| | - John A. Shepherd
- Cancer Epidemiology ProgramUniversity of Hawaii Cancer CenterUniversity of HawaiiHonoluluHawaiiUSA
| | - Thomas Ernst
- Department of Diagnostic Radiology and Nuclear MedicineUniversity of MarylandBaltimoreMarylandUSA
| | - Loïc Le Marchand
- Cancer Epidemiology ProgramUniversity of Hawaii Cancer CenterUniversity of HawaiiHonoluluHawaiiUSA
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14
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Lee S, Ryu S, Lee GE, Redline S, Morey BN. Risk of Sleep Apnea Is Associated with Abdominal Obesity Among Asian Americans: Comparing Waist-to-Hip Ratio and Body Mass Index. J Racial Ethn Health Disparities 2024; 11:157-167. [PMID: 36622567 PMCID: PMC9838535 DOI: 10.1007/s40615-022-01507-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 12/15/2022] [Accepted: 12/22/2022] [Indexed: 01/10/2023]
Abstract
OBJECTIVE This study examines associations between the risk of sleep apnea and abdominal obesity (assessed by waist-to-hip ratio (WHR)) and general obesity (assessed by body mass index (BMI)) in a sample of Chinese and Korean American immigrants. METHODS The dataset included Chinese and Korean participants aged 50-75 who were recruited from primary care physicians' clinics from April 2018 to June 2020 in the Baltimore-Washington D.C. Metropolitan area (n = 394). Abdominal obesity was determined if WHR ≥ 0.9 in men and WHR ≥ 0.85 in women. General obesity was determined if BMI ≥ 30. The risk of sleep apnea was determined by using the Berlin questionnaire. Poisson regression models examined associations between sleep apnea risk and obesity. Models controlled for socio-demographic risk factors. RESULTS Twelve percent of the study participants were classified as a high risk for sleep apnea, and 75% had abdominal obesity whereas 6.4% had general obesity. High risk of sleep apnea was positively associated with abdominal obesity (PR = 1.31, 95% CI: 1.17-1.47) and general obesity (PR = 2.19, 95% CI: 0.90-5.32), marginally significant at p < 0.1). CONCLUSIONS Chinese and Korean immigrants living in the USA who are at high risk of sleep apnea have higher abdominal obesity, even after accounting for sociodemographic characteristics. Abdominal obesity may be a better indicator than general obesity when examining the risk of sleep apnea among Asian Americans. INFORMATION ON CLINICAL TRIAL Name: Screening To Prevent ColoRectal Cancer (STOP CRC) among At-Risk Asian American Primary Care Patients NCT Number: NCT03481296; Date of registration: March 29, 2018 URL: https://clinicaltrials.gov/ct2/show/NCT03481296?term=Sunmin+Lee&draw=2&rank=1.
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Affiliation(s)
- Sunmin Lee
- Department of Medicine, School of Medicine, University of California-Irvine, 1001 Health Sciences Road, Bldg835, Ste 231, Irvine, CA, USA.
| | - Soomin Ryu
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Grace E Lee
- Department of Medicine, School of Medicine, University of California-Irvine, 1001 Health Sciences Road, Bldg835, Ste 231, Irvine, CA, USA
| | - Susan Redline
- Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Boston, MA, USA
| | - Brittany N Morey
- Department of Health, Society, & Behavior, Program in Public Health, University of California, Irvine, CA, USA
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15
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Dinh BL, Tang E, Taparra K, Nakatsuka N, Chen F, Chiang CWK. Recombination map tailored to Native Hawaiians may improve robustness of genomic scans for positive selection. Hum Genet 2024; 143:85-99. [PMID: 38157018 PMCID: PMC10794367 DOI: 10.1007/s00439-023-02625-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 11/25/2023] [Indexed: 01/03/2024]
Abstract
Recombination events establish the patterns of haplotypic structure in a population and estimates of recombination rates are used in several downstream population and statistical genetic analyses. Using suboptimal maps from distantly related populations may reduce the efficacy of genomic analyses, particularly for underrepresented populations such as the Native Hawaiians. To overcome this challenge, we constructed recombination maps using genome-wide array data from two study samples of Native Hawaiians: one reflecting the current admixed state of Native Hawaiians (NH map) and one based on individuals of enriched Polynesian ancestries (PNS map) with the potential to be used for less admixed Polynesian populations such as the Samoans. We found the recombination landscape to be less correlated with those from other continental populations (e.g. Spearman's rho = 0.79 between PNS and CEU (Utah residents with Northern and Western European ancestry) compared to 0.92 between YRI (Yoruba in Ibadan, Nigeria) and CEU at 50 kb resolution), likely driven by the unique demographic history of the Native Hawaiians. PNS also shared the fewest recombination hotspots with other populations (e.g. 8% of hotspots shared between PNS and CEU compared to 27% of hotspots shared between YRI and CEU). We found that downstream analyses in the Native Hawaiian population, such as local ancestry inference, imputation, and IBD segment and relatedness detections, would achieve similar efficacy when using the NH map compared to an omnibus map. However, for genome scans of adaptive loci using integrated haplotype scores, we found several loci with apparent genome-wide significant signals (|Z-score|> 4) in Native Hawaiians that would not have been significant when analyzed using NH-specific maps. Population-specific recombination maps may therefore improve the robustness of haplotype-based statistics and help us better characterize the evolutionary history that may underlie Native Hawaiian-specific health conditions that persist today.
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Affiliation(s)
- Bryan L Dinh
- Department of Quantitative and Computational Biology, University of Southern California, Los Angeles, CA, USA
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Echo Tang
- Department of Quantitative and Computational Biology, University of Southern California, Los Angeles, CA, USA
| | - Kekoa Taparra
- Department of Radiation Oncology, Stanford University, Palo Alto, CA, USA
| | | | - Fei Chen
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Charleston W K Chiang
- Department of Quantitative and Computational Biology, University of Southern California, Los Angeles, CA, USA.
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
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16
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Cai X, Song S, Hu J, Zhu Q, Yang W, Hong J, Luo Q, Yao X, Li N. Body roundness index improves the predictive value of cardiovascular disease risk in hypertensive patients with obstructive sleep apnea: a cohort study. Clin Exp Hypertens 2023; 45:2259132. [PMID: 37805984 DOI: 10.1080/10641963.2023.2259132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 09/06/2023] [Indexed: 10/10/2023]
Abstract
BACKGROUND Obesity, especially visceral obesity, plays an important role in the progression of cardiovascular disease (CVD). The body roundness index (BRI) is a new measure of obesity that is considered to reflect visceral obesity more comprehensively than other measures. This study aims to evaluate the relationship between BRI and CVD risk in hypertensive patients with obstructive sleep apnea (OSA) and explore its superiority in predicting CVD. METHODS The Cox proportional hazards model was used to calculate the hazard ratios (HRs) and 95% confidence intervals (CIs) for incident CVD. The area under the curve (AUC), continuous net reclassification improvement (NRI), and integrated discrimination improvement (IDI) were used to assess which measures of obesity had the best predictive value for CVD risk. RESULTS During a median follow-up period of 6.8 years, 324 participants suffered a CVD event. After multivariable adjustment, compared with the reference group (the first tertile), the HRs (95% CI) of CVD were 1.25 (95% CI, 0.93-1.70) and 1.74 (95% CI, 1.30-2.33) for subjects in the tertile 2 and tertile 3 groups, respectively. Compared with other measurement indicators, BRI has the highest predictive value for CVD risk [AUC: 0.627, 95% CI: 0.593-0.661]. The addition of the BRI to the fully adjusted multivariate model improved the predictive power for CVD, which was validated in the continuous NRI and the IDI (all P < .05). CONCLUSIONS BRI was significantly associated with the risk of CVD in hypertensive patients with OSA. Furthermore, BRI may improve CVD risk prediction in hypertensive patients with OSA.
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Affiliation(s)
- Xintian Cai
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
| | - Shuaiwei Song
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
| | - Junli Hu
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
| | - Qing Zhu
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
| | - Wenbo Yang
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
| | - Jing Hong
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
| | - Qin Luo
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
| | - Xiaoguang Yao
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
| | - Nanfang Li
- Hypertension Center of People's Hospital of Xinjiang Uygur Autonomous Region, Xinjiang Hypertension Institute, NHC Key Laboratory of Hypertension Clinical Research, Key Laboratory of Xinjiang Uygur Autonomous Region, Hypertension Research Laboratory, Xinjiang Clinical Medical Research Center for Hypertension (Cardio-Cerebrovascular) Diseases, Urumqi, Xinjiang, China
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Maskarinec G, Kristal BS, Wilkens LR, Quintal G, Bogumil D, Setiawan VW, Le Marchand L. Risk Factors for Type 2 Diabetes in the Multiethnic Cohort. Can J Diabetes 2023; 47:627-635.e2. [PMID: 37406880 PMCID: PMC10761589 DOI: 10.1016/j.jcjd.2023.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 06/21/2023] [Accepted: 06/23/2023] [Indexed: 07/07/2023]
Abstract
OBJECTIVES In this report, we investigated the association between established risk factors and type 2 diabetes (T2D) across 5 distinct ethnic groups and explored differences according to T2D definition within the Multiethnic Cohort (MEC) Study. METHODS Using the full MEC, with participants in Hawaii and Los Angeles (N=172,230), we applied Cox regression to estimate hazard ratios (HRs) and 95% confidence intervals (CIs). All participants completed questionnaires asking about demographics, anthropometrics, lifestyle factors, and regular diet. T2D status was determined from self-reported diagnosis/medication and Medicare claims. We assessed the associations between well-established risk factors and T2D in the full cohort, after stratification by ethnic group, according to the T2D definition, and in a biorepository subset. Effect modification by ethnicity was evaluated using Wald's tests. RESULTS Overall, 46,500 (27%) participants had an incident T2D diagnosis after a mean follow-up of 17.1±6.9 years. All predictors were significantly associated with T2D: overweight (HR=1.74), obesity (HR=2.90), red meat intake (HR=1.15), short (HR=1.04) and long (HR=1.08) sleep duration, and smoking (HR=1.26) predicted a significantly higher T2D incidence, whereas coffee (HR=0.90) and alcohol (HR=0.78) consumption, physical activity (HR=0.89), and diet quality (HR=0.96) were associated with lower T2D incidence. The strength of these associations was similar across ethnic groups with noteworthy disparities for overweight/obesity, physical activity, alcohol intake, coffee consumption, and diet quality. CONCLUSIONS These findings confirm the importance of known risk factors for T2D across ethnic groups, but small differences were detected that may contribute to disparate incidence rates in some ethnic groups, especially for obesity and physical activity.
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Affiliation(s)
- Gertraud Maskarinec
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, United States.
| | - Bruce S Kristal
- Division of Sleep Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, United States
| | - Lynne R Wilkens
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, United States
| | - Gino Quintal
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, United States
| | - David Bogumil
- Preventive Medicine, University of Southern California, Los Angeles, California, United States
| | - Veronica W Setiawan
- Preventive Medicine, University of Southern California, Los Angeles, California, United States
| | - Loïc Le Marchand
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, United States
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Kerlikowske K, Bissell MCS, Sprague BL, Tice JA, Tossas KY, Bowles EJA, Ho TQH, Keegan THM, Miglioretti DL. Impact of BMI on Prevalence of Dense Breasts by Race and Ethnicity. Cancer Epidemiol Biomarkers Prev 2023; 32:1524-1530. [PMID: 37284771 PMCID: PMC10701641 DOI: 10.1158/1055-9965.epi-23-0049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/18/2023] [Accepted: 04/25/2023] [Indexed: 06/08/2023] Open
Abstract
BACKGROUND Density notification laws require notifying women of dense breasts with dense breast prevalence varying by race/ethnicity. We evaluated whether differences in body mass index (BMI) account for differences in dense breasts prevalence by race/ethnicity. METHODS Prevalence of dense breasts (heterogeneously or extremely dense) according to Breast Imaging Reporting and Data System and obesity (BMI > 30 kg/m2) were estimated from 2,667,207 mammography examinations among 866,033 women in the Breast Cancer Surveillance Consortium (BCSC) from January 2005 through April 2021. Prevalence ratios (PR) for dense breasts relative to overall prevalence by race/ethnicity were estimated by standardizing race/ethnicity prevalence in the BCSC to the 2020 U.S. population, and adjusting for age, menopausal status, and BMI using logistic regression. RESULTS Dense breasts were most prevalent among Asian women (66.0%) followed by non-Hispanic/Latina (NH) White (45.5%), Hispanic/Latina (45.3%), and NH Black (37.0%) women. Obesity was most prevalent in Black women (58.4%) followed by Hispanic/Latina (39.3%), NH White (30.6%), and Asian (8.5%) women. The adjusted prevalence of dense breasts was 19% higher [PR = 1.19; 95% confidence interval (CI), 1.19-1.20] in Asian women, 8% higher (PR = 1.08; 95% CI, 1.07-1.08) in Black women, the same in Hispanic/Latina women (PR = 1.00; 95% CI, 0.99-1.01), and 4% lower (PR = 0.96; 95% CI, 0.96-0.97) in NH White women relative to the overall prevalence. CONCLUSIONS Clinically important differences in breast density prevalence are present across racial/ethnic groups after accounting for age, menopausal status, and BMI. IMPACT If breast density is the sole criterion used to notify women of dense breasts and discuss supplemental screening it may result in implementing inequitable screening strategies across racial/ethnic groups. See related In the Spotlight, p. 1479.
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Affiliation(s)
- Karla Kerlikowske
- Departments of Medicine and Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
- General Internal Medicine Section, Department of Veterans Affairs, University of California, San Francisco, CA, USA
| | - Michael C. S. Bissell
- Division of Biostatistics, Department of Public Health Sciences, University of California Davis School of Medicine, Davis, CA, USA
| | - Brian L. Sprague
- Departments of Surgery and Radiology, Office of Health Promotion Research, Larner College of Medicine at the University of Vermont and University of Vermont Cancer Center, Burlington, VT, USA
| | - Jeffrey A. Tice
- Division of General Internal Medicine, Department of Medicine, University of California, San Francisco, CA, USA
| | - Katherine Y. Tossas
- Department of Health Behavior and Policy, School of Medicine, and Massey Cancer Center, Virginia Commonwealth University, Richmond VA, USA
| | - Erin J. A. Bowles
- Kaiser Permanente Washington Health Research Institute, Kaiser Permanente Washington, Seattle, WA, USA
| | - Thao-Quyen H. Ho
- Department of Training and Scientific Research, University Medical Center, Ho Chi Minh city, Vietnam
- Breast Imaging Unit, Diagnostic Imaging Center, Tam Anh General Hospital, Ho Chi Minh City, Vietnam
| | - Theresa H. M. Keegan
- Center for Oncology Hematology Outcomes Research and Training (COHORT) and Division of Hematology and Oncology, University of California Davis School of Medicine, Sacramento, CA, USA
| | - Diana L. Miglioretti
- Division of Biostatistics, Department of Public Health Sciences, University of California Davis School of Medicine, Davis, CA, USA
- Kaiser Permanente Washington Health Research Institute, Kaiser Permanente Washington, Seattle, WA, USA
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19
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Maskarinec G, Brown SM, Lee J, Bogumil D, Walsh C, Haiman CA, Setiawan VW, Shvetsov YB, Marchand LL. Association of Obesity and Type 2 Diabetes with Non-Hodgkin Lymphoma: The Multiethnic Cohort. Cancer Epidemiol Biomarkers Prev 2023; 32:1348-1355. [PMID: 37555836 PMCID: PMC10592150 DOI: 10.1158/1055-9965.epi-23-0565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 07/24/2023] [Accepted: 08/07/2023] [Indexed: 08/10/2023] Open
Abstract
BACKGROUND Given the role of the immune system in non-Hodgkin lymphoma (NHL) etiology, obesity and type 2 diabetes (T2D) may impact NHL development. We examined the association of body mass index (BMI) and T2D with NHL in the multiethnic cohort (MEC). METHODS The MEC recruited >215,000 participants in Hawaii and Los Angeles from five racial/ethnic groups; NHL cases were identified through cancer registry linkages. T2D status, and BMI at age 21 and cohort entry were derived from repeated self-reports; for T2D, Medicare claims were also applied. HRs and 95% confidence intervals (CI) for BMI and T2D as predictors of NHL were determined using Cox regression adjusted for relevant covariates. RESULTS Among 192,424 participants, 3,472 (1.8%) with NHL and 68,850 (36%) with T2D after 19.2 ± 6.6 years follow-up, no significant association between T2D and NHL (HR, 1.04; 95% CI, 0.96-1.13) was observed. Stratification by BMI at cohort entry showed a significant association of T2D with NHL among individuals with normal weight only (HR, 1.18; 95% CI, 1.03-1.37). In a model with both BMI values plus T2D, only overweight (HR, 1.13; 95% CI, 1.01-1.26) and obesity (HR, 1.25; 95% CI, 0.99-1.59) at age 21 were associated with NHL incidence. Stratification by sex, race/ethnicity, and NHL subtype indicated no differences. CONCLUSIONS Our findings suggest an association between T2D and NHL incidence in several subgroups but not in the total population and an elevated risk related to early-life BMI. IMPACT Excess body weight in early life, rather than T2D, may be a predictor of NHL incidence.
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Affiliation(s)
| | | | - Jordyn Lee
- University of Hawaii Cancer Center, Honolulu, HI
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Cui B, Duan J, Zhu L, Wang G, Sun X, Su Z, Liao Y, Yi B, Li P, Li W, Song Z, Li Z, Tang H, Rong P, Zhu S. Effect of laparoscopic sleeve gastrectomy on mobilization of site-specific body adipose depots: a prospective cohort study. Int J Surg 2023; 109:3013-3020. [PMID: 37352520 PMCID: PMC10583911 DOI: 10.1097/js9.0000000000000573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 06/11/2023] [Indexed: 06/25/2023]
Abstract
BACKGROUND Effect of bariatric surgery on mobilization of site-specific body adipose depots is not well investigated. Herein, the authors conducted a prospective cohort study to assess whether bariatric surgery can differentially affect specific fat storage pools and to further investigate correlations between site-specific fat mobilization and clinical outcomes. MATERIALS AND METHODS In this single-centre prospective cohort study, 49 participants underwent laparoscopic sleeve gastrectomy (LSG) from 24 May 2022 to 20 October 2022 and underwent MRI to estimate subcutaneous fat area, visceral fat area (VFA), hepatic and pancreatic proton density fat fraction (PDFF) at baseline and 3 months after surgery. The protocol for this study was registered on clinicaltrials.gov. RESULTS Among 49 patients who met all inclusion criteria, the median [interquartile range (IQR)] age was 31.0 (23.0-37.0) years, the median (IQR) BMI was 38.1 (33.7-42.2) kg/m 2 and 36.7% were male. Median (IQR) percentage hepatic PDFF loss was the greatest after bariatric surgery at 68.8% (47.3-79.7%), followed by percentage pancreatic PDFF loss at 51.2% (37.0-62.1%), percentage VFA loss at 36.0% (30.0-42.4%), and percentage subcutaneous fat area loss at 22.7% (17.2-32.4%) ( P <0.001). By calculating Pearson correlation coefficient and partial correlation coefficient, the positive correlations were confirmed between change in VFA and change in glycated haemoglobin ( r =0.394, P =0.028; partial r =0.428, P =0.042) and between change in hepatic PDFF and change in homoeostatic model assessment of insulin resistance ( r =0.385, P =0.025; partial r =0.403, P =0.046). CONCLUSIONS LSG preferentially mobilized hepatic fat, followed by pancreatic fat and visceral adipose tissue, while subcutaneous adipose tissue was mobilized to the least extent. Reduction in visceral adipose tissue and hepatic fat is independently associated with the improvement of glucose metabolism after LSG.
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Affiliation(s)
| | - Junhong Duan
- Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | | | | | | | | | - Yunjie Liao
- Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Bo Yi
- Departments of General Surgery
| | | | | | | | | | | | - Pengfei Rong
- Radiology, The Third Xiangya Hospital, Central South University, Changsha, Hunan, China
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Dinh BL, Tang E, Taparra K, Nakatsuka N, Chen F, Chiang CWK. Recombination map tailored to Native Hawaiians improves robustness of genomic scans for positive selection. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.07.12.548735. [PMID: 37503129 PMCID: PMC10370006 DOI: 10.1101/2023.07.12.548735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Recombination events establish the patterns of haplotypic structure in a population and estimates of recombination rates are used in several downstream population and statistical genetic analyses. Using suboptimal maps from distantly related populations may reduce the efficacy of genomic analyses, particularly for underrepresented populations such as the Native Hawaiians. To overcome this challenge, we constructed recombination maps using genome-wide array data from two study samples of Native Hawaiians: one reflecting the current admixed state of Native Hawaiians (NH map), and one based on individuals of enriched Polynesian ancestries (PNS map) with the potential to be used for less admixed Polynesian populations such as the Samoans. We found the recombination landscape to be less correlated with those from other continental populations (e.g. Spearman's rho = 0.79 between PNS and CEU (Utah residents with Northern and Western European ancestry) compared to 0.92 between YRI (Yoruba in Ibadan, Nigeria) and CEU at 50 kb resolution), likely driven by the unique demographic history of the Native Hawaiians. PNS also shared the fewest recombination hotspots with other populations (e.g. 8% of hotspots shared between PNS and CEU compared to 27% of hotspots shared between YRI and CEU). We found that downstream analyses in the Native Hawaiian population, such as local ancestry inference, imputation, and IBD segment and relatedness detections, would achieve similar efficacy when using the NH map compared to an omnibus map. However, for genome scans of adaptive loci using integrated haplotype scores, we found several loci with apparent genome-wide significant signals (|Z-score| > 4) in Native Hawaiians that would not have been significant when analyzed using NH-specific maps. Population-specific recombination maps may therefore improve the robustness of haplotype-based statistics and help us better characterize the evolutionary history that may underlie Native Hawaiian-specific health conditions that persist today.
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Affiliation(s)
- Bryan L Dinh
- Department of Quantitative and Computational Biology, University of Southern California
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California
| | - Echo Tang
- Department of Quantitative and Computational Biology, University of Southern California
| | - Kekoa Taparra
- Department of Radiation Oncology, Stanford University, Palo Alto, California
| | | | - Fei Chen
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California
| | - Charleston W K Chiang
- Department of Quantitative and Computational Biology, University of Southern California
- Center for Genetic Epidemiology, Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California
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Wong MC, Bennett JP, Quon B, Leong LT, Tian IY, Liu YE, Kelly NN, McCarthy C, Chow D, Pujades S, Garber AK, Maskarinec G, Heymsfield SB, Shepherd JA. Accuracy and Precision of 3-dimensional Optical Imaging for Body Composition by Age, BMI, and Ethnicity. Am J Clin Nutr 2023; 118:657-671. [PMID: 37474106 PMCID: PMC10517211 DOI: 10.1016/j.ajcnut.2023.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 07/03/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023] Open
Abstract
BACKGROUND The obesity epidemic brought a need for accessible methods to monitor body composition, as excess adiposity has been associated with cardiovascular disease, metabolic disorders, and some cancers. Recent 3-dimensional optical (3DO) imaging advancements have provided opportunities for assessing body composition. However, the accuracy and precision of an overall 3DO body composition model in specific subgroups are unknown. OBJECTIVES This study aimed to evaluate 3DO's accuracy and precision by subgroups of age, body mass index, and ethnicity. METHODS A cross-sectional analysis was performed using data from the Shape Up! Adults study. Each participant received duplicate 3DO and dual-energy X-ray absorptiometry (DXA) scans. 3DO meshes were digitally registered and reposed using Meshcapade. Principal component analysis was performed on 3DO meshes. The resulting principal components estimated DXA whole-body and regional body composition using stepwise forward linear regression with 5-fold cross-validation. Duplicate 3DO and DXA scans were used for test-retest precision. Student's t tests were performed between 3DO and DXA by subgroup to determine significant differences. RESULTS Six hundred thirty-four participants (females = 346) had completed the study at the time of the analysis. 3DO total fat mass in the entire sample achieved R2 of 0.94 with root mean squared error (RMSE) of 2.91 kg compared to DXA in females and similarly in males. 3DO total fat mass achieved a % coefficient of variation (RMSE) of 1.76% (0.44 kg), whereas DXA was 0.98% (0.24 kg) in females and similarly in males. There were no mean differences for total fat, fat-free, percent fat, or visceral adipose tissue by age group (P > 0.068). However, there were mean differences for underweight, Asian, and Black females as well as Native Hawaiian or other Pacific Islanders (P < 0.038). CONCLUSIONS A single 3DO body composition model produced accurate and precise body composition estimates that can be used on diverse populations. However, adjustments to specific subgroups may be warranted to improve the accuracy in those that had significant differences. This trial was registered at clinicaltrials.gov as NCT03637855 (Shape Up! Adults).
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Affiliation(s)
- Michael C Wong
- Department of Epidemiology, University of Hawaii Cancer Center, Honolulu, HI, United States; Department of Human Nutrition, Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, United States
| | - Jonathan P Bennett
- Department of Epidemiology, University of Hawaii Cancer Center, Honolulu, HI, United States; Department of Human Nutrition, Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, United States
| | - Brandon Quon
- Department of Epidemiology, University of Hawaii Cancer Center, Honolulu, HI, United States
| | - Lambert T Leong
- Department of Epidemiology, University of Hawaii Cancer Center, Honolulu, HI, United States
| | - Isaac Y Tian
- Paul G. Allen School of Computer Science and Engineering, University of Washington, Seattle, WA, United States
| | - Yong E Liu
- Department of Epidemiology, University of Hawaii Cancer Center, Honolulu, HI, United States
| | - Nisa N Kelly
- Department of Epidemiology, University of Hawaii Cancer Center, Honolulu, HI, United States
| | - Cassidy McCarthy
- Pennington Biomedical Research Center, Baton Rouge, LA, United States
| | - Dominic Chow
- John A. Burns School of Medicine, University of Hawaii at Manoa, Honolulu, HI, United States
| | - Sergi Pujades
- Inria, Université Grenoble Alpes, CNRS, Grenoble INP, LJK, Grenoble, France
| | - Andrea K Garber
- Department of Pediatrics, University of California San Francisco, San Francisco, CA, United States
| | - Gertraud Maskarinec
- Department of Epidemiology, University of Hawaii Cancer Center, Honolulu, HI, United States
| | | | - John A Shepherd
- Department of Epidemiology, University of Hawaii Cancer Center, Honolulu, HI, United States; Department of Human Nutrition, Food and Animal Sciences, University of Hawaii at Manoa, Honolulu, HI, United States.
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23
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Lee MH, Febriana E, Lim M, Baig S, Halter JB, Magkos F, Toh SA. Asian females without diabetes are protected from obesity-related dysregulation of glucose metabolism compared with males. Obesity (Silver Spring) 2023; 31:2304-2314. [PMID: 37534562 DOI: 10.1002/oby.23833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 05/11/2023] [Accepted: 05/14/2023] [Indexed: 08/04/2023]
Abstract
OBJECTIVE The impact of obesity on the risk for type 2 diabetes differs between males and females; however, the underlying reasons are unclear. This study aimed to investigate the effect of sex on obesity-driven changes in the mechanisms regulating glucose metabolism (insulin sensitivity and secretion) among Asian individuals without diabetes in Singapore. METHODS The study assessed glucose tolerance using oral glucose tolerance test, insulin-mediated glucose uptake using hyperinsulinemic-euglycemic clamp, acute insulin response using an intravenous glucose challenge, and insulin secretion rates in the fasting state and in response to glucose ingestion using mathematical modeling in 727 males and 952 females who had normal body weight (n = 602, BMI < 23 kg/m2 ), overweight (n = 662, 23 ≤ BMI < 27.5), or obesity (n = 415, BMI ≥ 27.5). RESULTS There were no sex differences among lean individuals. Obesity gradually worsened metabolic function, and the progressive adverse effects of obesity on insulin action and secretion were more pronounced in males than females, such that among participants with obesity, females had greater insulin sensitivity, lower insulin secretion, and lower fasting insulin concentration than males. The increase in waist to hip ratio with increasing BMI was more pronounced in males than females. CONCLUSIONS The female sex exerts a protective effect on obesity-driven dysregulation of glucose metabolism in Asian individuals without diabetes.
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Affiliation(s)
- Michelle H Lee
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Eveline Febriana
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Maybritte Lim
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Department of Medicine, National University Hospital, Singapore
| | - Sonia Baig
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Jeffrey B Halter
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Geriatric and Palliative Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Faidon Magkos
- Department of Nutrition, Exercise and Sports, University of Copenhagen, København, Denmark
| | - Sue-Anne Toh
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Department of Medicine, National University Hospital, Singapore
- NOVI Health, Singapore
- Regional Health System Office, National University Health System, Singapore
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Chai W, Maskarinec G, Lim U, Boushey CJ, Wilkens LR, Setiawan VW, Le Marchand L, Randolph TW, Jenkins IC, Lampe JW, Hullar MA. Association of Habitual Intake of Probiotic Supplements and Yogurt with Characteristics of the Gut Microbiome in the Multiethnic Cohort Adiposity Phenotype Study. GUT MICROBIOME (CAMBRIDGE, ENGLAND) 2023; 4:e14. [PMID: 38468639 PMCID: PMC10927272 DOI: 10.1017/gmb.2023.10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/13/2024]
Abstract
Consumption of probiotics and/or yogurt could be a solution for restoring the balance of the gut microbiota. This study examined associations of regular intake of probiotic supplements or yogurt with the gut microbiota among a diverse population of older adults (N=1,861; 60-72 years). Fecal microbial composition was obtained from 16S rRNA gene sequencing (V1-V3 region). General Linear Models were used to estimate the associations of probiotic supplement or yogurt intake with microbiome measures adjusting for covariates. Compared to non-yogurt consumers (N=1,023), regular yogurt consumers (≥once/week, N=818) had greater Streptococcus (β=0.29, P=0.0003) and lower Odoribacter (β=-0.33, P<0.0001) abundance. The directions of the above associations were consistent across the five ethnic groups but stronger among Japanese Americans (Streptococcus: β=0.56, P=0.0009; Odoribacter: β=-0.62, P=0.0005). Regular intake of probiotic supplements (N=175) was not associated with microbial characteristics (i.e., alpha diversity and the abundance of 152 bacteria genera). Streptococcus is one of the predominant bacteria genera in yogurt products, which may explain the positive association between yogurt consumption and Streptococcus abundance. Our analyses suggest that changes in Odoribacter were independent of changes in Streptococcus abundance. Future studies may investigate whether these microbial genera and their sub-level species mediate potential pathways between yogurt consumption and health.
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Affiliation(s)
- Weiwen Chai
- Department of Nutrition and Health Sciences, University of Nebraska-Lincoln, Lincoln, NE
| | | | - Unhee Lim
- University of Hawai’i Cancer Center, Honolulu, HI
| | | | | | - V. Wendy Setiawan
- Department of Preventive Medicine, University of Southern California, Los Angeles, CA
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25
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Donghia R, Pesole PL, Coletta S, Bonfiglio C, De Pergola G, De Nucci S, Rinaldi R, Giannelli G. Food Network Analysis in Non-Obese Patients with or without Steatosis. Nutrients 2023; 15:2713. [PMID: 37375618 DOI: 10.3390/nu15122713] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/05/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Steatosis is the most common liver disease worldwide and the leading cause of liver-associated morbidity and mortality. The aim of this study was to explore the differences in blood parameters and dietary habits in non-obese patients with and without steatosis. METHODS The present study included 987 participants with BMI < 30, assessed in the fourth recall of the MICOL study. Patients were divided by steatosis grade, and a validated food frequency questionnaire (FFQ) with 28 food groups was administered. RESULTS The prevalence of non-obese participants with steatosis was 42.86%. Overall, the results indicated many statistically significant blood parameters and dietary habits. Analysis of dietary habits revealed that non-obese people with or without steatosis had similar dietary habits, although higher daily amounts of red meat, processed meat, ready meals, and alcohol were recorded in participants with liver disease (p < 0.05). CONCLUSIONS Many differences were found in non-obese people with and without steatosis, but in light of a network analysis, the two groups demonstrated similar dietary habits, proving that pathophysiological, genetic, and hormonal patterns are probably the basis of their liver status, regardless of weight. Future genetic analyses will be performed to analyze the expression of genes involved in the development of steatosis in our cohort.
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Affiliation(s)
- Rossella Donghia
- National Institute of Gastroenterology-IRCCS "Saverio de Bellis", 70013 Castellana Grotte, Italy
| | - Pasqua Letizia Pesole
- National Institute of Gastroenterology-IRCCS "Saverio de Bellis", 70013 Castellana Grotte, Italy
| | - Sergio Coletta
- National Institute of Gastroenterology-IRCCS "Saverio de Bellis", 70013 Castellana Grotte, Italy
| | - Caterina Bonfiglio
- National Institute of Gastroenterology-IRCCS "Saverio de Bellis", 70013 Castellana Grotte, Italy
| | - Giovanni De Pergola
- National Institute of Gastroenterology-IRCCS "Saverio de Bellis", 70013 Castellana Grotte, Italy
| | - Sara De Nucci
- National Institute of Gastroenterology-IRCCS "Saverio de Bellis", 70013 Castellana Grotte, Italy
| | - Roberta Rinaldi
- National Institute of Gastroenterology-IRCCS "Saverio de Bellis", 70013 Castellana Grotte, Italy
| | - Gianluigi Giannelli
- National Institute of Gastroenterology-IRCCS "Saverio de Bellis", 70013 Castellana Grotte, Italy
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Lee M, Park S. Myosteatosis: a potential missing link between hypertension and metabolic disorder in the Asian population. Hypertens Res 2023:10.1038/s41440-023-01270-6. [PMID: 36997636 DOI: 10.1038/s41440-023-01270-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Revised: 03/02/2023] [Accepted: 03/12/2023] [Indexed: 04/01/2023]
Abstract
Myosteatosis, by increasing skeletal and systemic insulin resistance, induces endothelial dysfunction and increases the risk of hypertension.
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Affiliation(s)
- Minyoung Lee
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea
- Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, Korea
| | - Sungha Park
- Cardiology Division, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
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Chan WK. Comparison between obese and non-obese nonalcoholic fatty liver disease. Clin Mol Hepatol 2023; 29:S58-S67. [PMID: 36472052 PMCID: PMC10029940 DOI: 10.3350/cmh.2022.0350] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) encompasses a spectrum of liver conditions that are characterized by excess accumulation of fat in the liver, and is diagnosed after exclusion of significant alcohol intake and other causes of chronic liver disease. In the majority of cases, NAFLD is associated with overnutrition and obesity, although it may be also found in lean or non-obese individuals. It has been estimated that 19.2% of NAFLD patients are lean and 40.8% are non-obese. The proportion of patients with more severe liver disease and the incidence of all-cause mortality, liver-related mortality, and cardiovascular mortality among non-obese and obese NAFLD patients varies across studies and may be confounded by selection bias, underestimation of alcohol intake, and unaccounted weight changes over time. Genetic factors may have a greater effect towards the development of NAFLD in lean or non-obese individuals, but the effect may be less pronounced in the presence of strong environmental factors, such as poor dietary choices and a sedentary lifestyle, as body mass index increases in the obese state. Overall, non-invasive tests, such as the Fibrosis-4 index, NAFLD fibrosis score, and liver stiffness measurement, perform better in lean or non-obese patients compared to obese patients. Lifestyle intervention works in non-obese patients, and less amount of weight loss may be required to achieve similar results compared to obese patients. Pharmacological therapy in non-obese NAFLD patients may require special consideration and a different approach compared to obese patients.
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Affiliation(s)
- Wah-Kheong Chan
- Gastroenterology and Hepatology Unit, Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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Streicher SA, Lim U, Park SL, Li Y, Sheng X, Hom V, Xia L, Pooler L, Shepherd J, Loo LWM, Ernst T, Buchthal S, Franke AA, Tiirikainen M, Wilkens LR, Haiman CA, Stram DO, Cheng I, Le Marchand L. Genome-wide association study of abdominal MRI-measured visceral fat: The multiethnic cohort adiposity phenotype study. PLoS One 2023; 18:e0279932. [PMID: 36607984 PMCID: PMC9821421 DOI: 10.1371/journal.pone.0279932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 12/16/2022] [Indexed: 01/07/2023] Open
Abstract
Few studies have explored the genetic underpinnings of intra-abdominal visceral fat deposition, which varies substantially by sex and race/ethnicity. Among 1,787 participants in the Multiethnic Cohort (MEC)-Adiposity Phenotype Study (MEC-APS), we conducted a genome-wide association study (GWAS) of the percent visceral adiposity tissue (VAT) area out of the overall abdominal area, averaged across L1-L5 (%VAT), measured by abdominal magnetic resonance imaging (MRI). A genome-wide significant signal was found on chromosome 2q14.3 in the sex-combined GWAS (lead variant rs79837492: Beta per effect allele = -4.76; P = 2.62 × 10-8) and in the male-only GWAS (lead variant rs2968545: (Beta = -6.50; P = 1.09 × 10-9), and one suggestive variant was found at 13q12.11 in the female-only GWAS (rs79926925: Beta = 6.95; P = 8.15 × 10-8). The negatively associated variants were most common in European Americans (T allele of rs79837492; 5%) and African Americans (C allele of rs2968545; 5%) and not observed in Japanese Americans, whereas the positively associated variant was most common in Japanese Americans (C allele of rs79926925, 5%), which was all consistent with the racial/ethnic %VAT differences. In a validation step among UK Biobank participants (N = 23,699 of mainly British and Irish ancestry) with MRI-based VAT volume, both rs79837492 (Beta = -0.026, P = 0.019) and rs2968545 (Beta = -0.028, P = 0.010) were significantly associated in men only (n = 11,524). In the MEC-APS, the association between rs79926925 and plasma sex hormone binding globulin levels reached statistical significance in females, but not in males, with adjustment for total adiposity (Beta = -0.24; P = 0.028), on the log scale. Rs79837492 and rs2968545 are located in intron 5 of CNTNAP5, and rs79926925, in an intergenic region between GJB6 and CRYL1. These novel findings differing by sex and racial/ethnic group warrant replication in additional diverse studies with direct visceral fat measurements.
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Affiliation(s)
- Samantha A. Streicher
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - Unhee Lim
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - S. Lani Park
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - Yuqing Li
- Department of Epidemiology and Biostatistics, University of California–San Francisco, San Francisco, California, United States of America
| | - Xin Sheng
- Center for Genetic Epidemiology, Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Victor Hom
- Center for Genetic Epidemiology, Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Lucy Xia
- Center for Genetic Epidemiology, Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Loreall Pooler
- Center for Genetic Epidemiology, Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - John Shepherd
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - Lenora W. M. Loo
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - Thomas Ernst
- University of Maryland School of Medicine, Baltimore, Maryland, United States of America
| | - Steven Buchthal
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - Adrian A. Franke
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - Maarit Tiirikainen
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - Lynne R. Wilkens
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
| | - Christopher A. Haiman
- Center for Genetic Epidemiology, Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Daniel O. Stram
- Center for Genetic Epidemiology, Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, California, United States of America
| | - Iona Cheng
- Department of Epidemiology and Biostatistics, University of California–San Francisco, San Francisco, California, United States of America
| | - Loïc Le Marchand
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, Hawaii, United States of America
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Serum Antioxidant Vitamins Mediate the Association between Periodontitis and Metabolically Unhealthy Overweight/Obesity. Nutrients 2022; 14:nu14224939. [PMID: 36432625 PMCID: PMC9694708 DOI: 10.3390/nu14224939] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/16/2022] [Accepted: 11/20/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Periodontal disease is associated with metabolic syndrome and obesity. This cross-sectional study aimed to investigate whether serum antioxidant vitamins could mediate the association between periodontitis and a metabolically unhealthy phenotype in the overweight and obese population; Methods: We included 6158 Americans (body mass index (BMI) ≥ 25 kg/m2) from the Third National Health and Nutrition Examination Survey (NHANES III). Periodontitis was defined using a half-reduced CDC/AAP (Centers for Disease Control and Prevention/American Academy of Periodontology) definition. Having two or more metabolic abnormalities was defined as a metabolically unhealthy overweight and obese (MUO) phenotype. Mediation analysis of four oxidative stress biomarkers (serum antioxidant vitamins A, C, D, and E) was conducted; Results: Of participants with overweight and obesity, 2052 (33.3%) Americans were categorized as having periodontitis. Periodontitis increased dyslipidemia risk and systemic inflammation in the overweight and obese population. In the multivariable logistic regression model, periodontitis was positively associated with MUO (adjusted odds ratio = 1.238; 95% confidence interval: 1.091 to 1.406). These findings were validated in an independent cohort. Serum vitamins C and D were estimated to mediate 19.3% and 8.4% of the periodontitis-MUO association. CONCLUSIONS Periodontitis might decrease serum vitamins C and D and induce a metabolically unhealthy state among adults with overweight and obesity.
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Dai C, Zhu W. Effects of GLP-1 receptor agonists on asprosin levels in normal weight or overweight/obesity patients with type 2 diabetes mellitus. Medicine (Baltimore) 2022; 101:e31334. [PMID: 36316938 PMCID: PMC9622638 DOI: 10.1097/md.0000000000031334] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Asprosin is a newly identified adipokine with glucose-raising and appetite-enhancing effects which acts differently from the known hepatic glucose utilization pathway. This study investigated changes in serum asprosin levels in normal weight or overweight/obese liraglutide-treated patients with type 2 diabetes (T2DM). This study is a non-randomized, prospective observational study. The metabolic parameters and asprosin levels were compared between 90 people with T2DM and 66 people who had normal glucose tolerance (NGT). During the treatment phase, only T2DM patients were given liraglutide at doses of 0.6 mg/d for the first 2 weeks, 1.2 mg/d for the subsequent 4 weeks, and 1.8 mg/d for the following 16 weeks. T2DM patients were separated into a normal weight group and an overweight/obesity group to compare changes in asprosin and parameters pre- and post-treatment. The T2DM group had significantly higher fasting asprosin and 2h-postprandial asprosin levels than the NGT group (all P < .001). Fasting asprosin and postprandial asprosin positively correlated with BMI, 2hPG, HbA1c, TG, and HOMA-IR, and negatively correlated with HDL-C in both the T2DM and NGT groups. Asprosin levels decreased after liraglutide treatment in both normal and overweight/obesity T2DM groups (all P < .001), with significantly reduced body weight and BMI in overweight/obese T2DM patients (all P < .001). Fasting and postprandial serum asprosin concentrations are higher in T2DM patients compared to normal glucose controls. Fasting and postprandial asprosin positively correlated with BMI, 2hPG, HbA1c, TG, and HOMA-IR and negatively correlated with HDL-C in all participants. Liraglutide lowers asprosin levels in T2DM patients and can reduce weight and BMI in overweight or obese type 2 diabetics.
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Affiliation(s)
- Chenggang Dai
- Guangzhou University of Chinese Medicine, Guangzhong, China
- Endocrinology Department, Guangzhou Development District Hospital, Guangzhou, China
- *Correspondence: Chenggang Dai, Guangzhou University of Chinese Medicine, Guangzhou, China (e-mail: )
| | - Weifeng Zhu
- Guangzhou University of Chinese Medicine, Guangzhong, China
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Riazi K, Swain MG, Congly SE, Kaplan GG, Shaheen AA. Race and Ethnicity in Non-Alcoholic Fatty Liver Disease (NAFLD): A Narrative Review. Nutrients 2022; 14:4556. [PMID: 36364818 PMCID: PMC9658200 DOI: 10.3390/nu14214556] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/21/2022] [Accepted: 10/24/2022] [Indexed: 07/25/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a significant public health concern worldwide with a complex etiology attributed to behavioural, environmental, and genetic causes. The worldwide prevalence of NAFLD is estimated to be 32.4% and constantly rising. Global data, however, indicate considerable heterogeneity among studies for both NAFLD prevalence and incidence. Identifying variables that affect the estimated epidemiological measures is essential to all stakeholders, including patients, researchers, healthcare providers, and policymakers. Besides helping with the research on disease etiology, it helps to identify individuals at risk of the disease, which in turn will outline the focus of the preventive measures and help to fittingly tailor individualized treatments, targeted prevention, screening, or treatment programs. Several studies suggest differences in the prevalence and severity of NAFLD by race or ethnicity, which may be linked to differences in lifestyle, diet, metabolic comorbidity profile, and genetic background, among others. Race/ethnicity research is essential as it can provide valuable information regarding biological and genetic differences among people with similar cultural, dietary, and geographical backgrounds. In this review, we examined the existing literature on race/ethnicity differences in susceptibility to NAFLD and discussed the contributing variables to such differences, including diet and physical activity, the comorbidity profile, and genetic susceptibility. We also reviewed the limitations of race/ethnicity studies in NAFLD.
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Affiliation(s)
- Kiarash Riazi
- Department of Medicine, Division of Gastroenterology and Hepatology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Mark G. Swain
- Department of Medicine, Division of Gastroenterology and Hepatology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Stephen E. Congly
- Department of Medicine, Division of Gastroenterology and Hepatology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Gilaad G. Kaplan
- Department of Medicine, Division of Gastroenterology and Hepatology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
- O’Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
| | - Abdel-Aziz Shaheen
- Department of Medicine, Division of Gastroenterology and Hepatology, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
- O’Brien Institute for Public Health, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4Z6, Canada
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Yuan G, He Y, Cao QH, Tang MM, Xie ZL, Qiu Y, Zeng ZR, Peng S, Chen MH. Visceral adipose volume is correlated with surgical tissue fibrosis in Crohn's disease of the small bowel. Gastroenterol Rep (Oxf) 2022; 10:goac044. [PMID: 36042948 PMCID: PMC9420045 DOI: 10.1093/gastro/goac044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 03/30/2022] [Accepted: 05/04/2022] [Indexed: 11/16/2022] Open
Abstract
Background This study explored the diagnostic performance of visceral adiposity to predict the degree of intestinal inflammation and fibrosis. Methods The patients with Crohn’s disease (CD) who underwent surgical small bowel resection at the First Affiliated Hospital of Sun Yat-sen University (Guangzhou, China) between January 2007 and December 2017 were enrolled. We evaluated the intestinal imaging features of computed tomography enterography (CTE), including mesenteric inflammatory fat stranding, the target sign, mesenteric hypervascularity, bowel wall thickening, lymphadenopathy, stricture diameter, and maximal upstream diameter. We used A.K. software (Artificial Intelligence Kit, version 1.1) to calculate the visceral fat (VF) and subcutaneous fat (SF) volumes at the third lumbar vertebra level. Pathological tissue information was recorded. Diagnostic models were established based on the multivariate regression analysis results, and their effectiveness was evaluated by area under the curve (AUC) and decision curve analyses. Results Overall, 48 patients with CD were included in this study. The abdominal VF/SF volume ratio (odds ratio, 1.20; 95% confidence interval, 1.05–1.38; P = 0.009) and the stenosis diameter/upstream intestinal dilatation diameter (ND) ratio (odds ratio, 0.90; 95% confidence interval, 0.82–0.99; P = 0.034) were independent risk factors for the severe fibrosis of the small intestine. The AUC values of the VF/SF ratio, the ND ratio, and their combination were 0.760, 0.673, and 0.804, respectively. The combination of the VS/SF volume ratio and ND ratio achieved the highest net benefit on the decision curve. Conclusion The VF volume on CTE can reflect intestinal fibrosis. The combination of the VF/SF volume ratio and ND ratio of CD patients assessed using CTE can help predict severe fibrosis stenosis of the small intestine.
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Affiliation(s)
| | | | | | - Mi-Mi Tang
- Department of Radiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Zong-Lin Xie
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Yun Qiu
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Zhi-Rong Zeng
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Sui Peng
- Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
- Clinical Trial Unit, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
- Institute of Precision Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, P. R. China
| | - Min-Hu Chen
- Corresponding author. Department of Gastroenterology, The First Affiliated Hospital, Sun Yat-sen University, 58 Zhongshan Road 2, Yuexiu Distinct, Guangzhou, Guangdong 510080, P. R. China. Tel: +86-13802957089;
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Maskarinec G, Raquinio P, Kristal BS, Franke AA, Buchthal SD, Ernst TM, Monroe KR, Shepherd JA, Shvetsov YB, Le Marchand L, Lim U. Body Fat Distribution, Glucose Metabolism, and Diabetes Status Among Older Adults: The Multiethnic Cohort Adiposity Phenotype Study. J Epidemiol 2022; 32:314-322. [PMID: 33642515 PMCID: PMC9189316 DOI: 10.2188/jea.je20200538] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND As the proportion of visceral (VAT) to subcutaneous adipose tissue (SAT) may contribute to type 2 diabetes (T2D) development, we examined this relation in a cross-sectional design within the Multiethnic Cohort that includes Japanese Americans known to have high VAT. The aim was to understand how ectopic fat accumulation differs by glycemic status across ethnic groups with disparate rates of obesity, T2D, and propensity to accumulate VAT. METHODS In 2013-2016, 1,746 participants aged 69.2 (standard deviation, 2.7) years from five ethnic groups completed questionnaires, blood collections, and whole-body dual X-ray absorptiometry and abdominal magnetic resonance imaging scans. Participants with self-reported T2D and/or medication were classified as T2D, those with fasting glucose >125 and 100-125 mg/dL as undiagnosed cases (UT2D) and prediabetes (PT2D), respectively. Using linear regression, we estimated adjusted means of adiposity measures by T2D status. RESULTS Overall, 315 (18%) participants were classified as T2D, 158 (9%) as UT2D, 518 (30%) as PT2D, and 755 (43%) as normoglycemic (NG), with significant ethnic differences (P < 0.0001). In fully adjusted models, VAT, VAT/SAT, and percent liver fat increased significantly from NG, PT2D, UT2D, to T2D (P < 0.001). Across ethnic groups, the VAT/SAT ratio was lowest for NG participants and highest for T2D cases. Positive trends were observed in all groups except African Americans, with highest VAT/SAT in Japanese Americans. CONCLUSION These findings indicate that VAT plays an important role in T2D etiology, in particular among Japanese Americans with high levels of ectopic adipose tissue, which drives the development of T2D to a greater degree than in other ethnic groups.
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Affiliation(s)
| | | | - Bruce S. Kristal
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | | | | | | | | | | | | | | | - Unhee Lim
- University of Hawaii Cancer Center, Honolulu, HI, USA
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Muzurović E, Peng CCH, Belanger MJ, Sanoudou D, Mikhailidis DP, Mantzoros CS. Nonalcoholic Fatty Liver Disease and Cardiovascular Disease: a Review of Shared Cardiometabolic Risk Factors. Hypertension 2022; 79:1319-1326. [PMID: 35465684 DOI: 10.1161/hypertensionaha.122.17982] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The prevalence of nonalcoholic fatty liver disease (NAFLD) is rising. NAFLD/nonalcoholic steatohepatitis (NASH) is associated not only with hepatic morbidity and mortality but also with an increased cardiovascular risk. NAFLD and cardiovascular disease (CVD) share several risk factors, such as obesity, metabolic syndrome, hypertension, dyslipidemia, type 2 diabetes, and chronic kidney disease. This review summarizes the evidence linking cardiometabolic risk factors and NAFLD in the context of risk for CVD. The cause of NAFLD/NASH is complex, involving a range of factors from genetics to lifestyle and energy balance. Genetically driven high liver fat content does not appear to be causally associated with increased CVD risk. In contrast, metabolic dysfunction not only predisposes to liver pathology but also leads to a significantly higher CVD risk. Given that NAFLD pathophysiology is influenced by multiple factors, each patient is unique as to their risk of developing CVD and liver pathology. At the same time, the rising burden of NAFLD/NASH is closely linked with the global increase in metabolic disorders, including obesity and type 2 diabetes. Therefore, both personalized therapeutic approaches that recognize individual pathophysiology, as well as public health policies that address the root causes of cardiometabolic risk factors for NAFLD may be needed to effectively address the NAFLD/NASH epidemic.
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Affiliation(s)
- Emir Muzurović
- Department of Internal Medicine, Endocrinology Section, Clinical Centre of Montenegro, Podgorica (E.M.).,Faculty of Medicine, University of Montenegro, Podgorica, Montenegro (E.M.)
| | - Carol Chiung-Hui Peng
- Section of Endocrinology, Diabetes, Nutrition & Weight Management, Boston University School of Medicine, Boston, MA (C.C.-H.P.)
| | | | - Despina Sanoudou
- Clinical Genomics and Pharmacogenomics Unit, 4 Department of Internal Medicine, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Greece (D.S.).,Biomedical Research Foundation of the Academy of Athens, Greece (D.S.)
| | - Dimitri P Mikhailidis
- Department of Clinical Biochemistry, Royal Free Hospital Campus, University College London, Medical School, University College London (UCL), United Kingdom (D.P.M.).,Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai (D.P.M.)
| | - Christos S Mantzoros
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA (C.S.M.)
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Xu R, Pan J, Zhou W, Ji G, Dang Y. Recent advances in lean NAFLD. Biomed Pharmacother 2022; 153:113331. [PMID: 35779422 DOI: 10.1016/j.biopha.2022.113331] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 06/20/2022] [Accepted: 06/22/2022] [Indexed: 02/09/2023] Open
Abstract
As the predominant type of chronic liver disease, the growing prevalence of nonalcoholic fatty liver disease (NAFLD) has become a concern worldwide. Although obesity plays the most pivotal role in NAFLD, approximately 10-20% of individuals with NAFLD who are not overweight or obese (BMI < 25 kg/m2, or BMI < 23 kg/m2 in Asians) have "lean NAFLD." Lean individuals with NAFLD have a lower prevalence of diabetes, hypertension, hypertriglyceridemia, central obesity, and metabolic syndrome than nonlean individuals with NAFLD, but higher fibrosis scores and rates of cardiovascular morbidity and all-cause mortality in advanced stages. The pathophysiological mechanisms of lean NAFLD remain poorly understood. Studies have shown that lean NAFLD is more correlated with factors such as environmental, genetic susceptibility, and epigenetic regulation. This review will examine the way in which the research progress and characteristic of lean NAFLD, and explore the function of epigenetic modification to provide the basis for the clinical treatment and diagnosis of lean NAFLD.
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Affiliation(s)
- Ruohui Xu
- Institute of Digestive Diseases, Longhua Hospital, China-Canada Center of Research for Digestive Diseases (ccCRDD), Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Jiashu Pan
- Institute of Digestive Diseases, Longhua Hospital, China-Canada Center of Research for Digestive Diseases (ccCRDD), Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China; Department of Digestive Disease, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Wenjun Zhou
- Institute of Digestive Diseases, Longhua Hospital, China-Canada Center of Research for Digestive Diseases (ccCRDD), Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China
| | - Guang Ji
- Institute of Digestive Diseases, Longhua Hospital, China-Canada Center of Research for Digestive Diseases (ccCRDD), Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China.
| | - Yanqi Dang
- Institute of Digestive Diseases, Longhua Hospital, China-Canada Center of Research for Digestive Diseases (ccCRDD), Shanghai University of Traditional Chinese Medicine, Shanghai 200032, China.
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Lozano CP, Wilkens LR, Shvetsov YB, Maskarinec G, Park SY, Shepherd JA, Boushey CJ, Hebert JR, Wirth MD, Ernst T, Randolph T, Lim U, Lampe JW, Le Marchand L, Hullar MAJ. Associations of the Dietary Inflammatory Index with total adiposity and ectopic fat through the gut microbiota, LPS, and C-reactive protein in the Multiethnic Cohort-Adiposity Phenotype Study. Am J Clin Nutr 2022; 115:1344-1356. [PMID: 34871345 PMCID: PMC9071464 DOI: 10.1093/ajcn/nqab398] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 11/29/2021] [Indexed: 02/01/2023] Open
Abstract
BACKGROUND Mechanisms linking a proinflammatory diet to obesity remain under investigation. The ability of diet to influence the gut microbiome (GM) in creating chronic low-grade systemic inflammation provides a plausible connection to adiposity. OBJECTIVES Assess whether any associations seen between the Energy-Adjusted Dietary Inflammatory Index (E-DII score), total fat mass, visceral adipose tissue (VAT), or liver fat (percentage volume) operated through the GM or microbial related inflammatory factors, in a multiethnic cross-sectional study. METHODS In the Multiethnic Cohort-Adiposity Phenotype Study (812 men, 843 women, aged 60-77 y) we tested whether associations between the E-DII and total adiposity, VAT, and liver fat function through the GM, LPS, and high-sensitivity C-reactive protein (hs-CRP). DXA-derived total fat mass, MRI-measured VAT, and MRI-based liver fat were measured. Participants provided stool and fasting blood samples and completed an FFQ. Stool bacterial DNA was amplified and the 16S rRNA gene was sequenced at the V1-V3 region. E-DII score was computed from FFQ data, with a higher E-DII representing a more proinflammatory diet. The associations between E-DII score, GM (10 phyla, 28 genera, α diversity), and adiposity phenotypes were examined using linear regression and mediation analyses, adjusting for confounders. RESULTS There were positive total effects (c) between E-DII and total fat mass (c = 0.68; 95% CI: 0.47, 0.90), VAT (c = 4.61; 95% CI: 2.95, 6.27), and liver fat (c = 0.40; 95% CI: 0.27, 0.53). The association between E-DII score and total fat mass was mediated by LPS, Flavonifractor, [Ruminococcus] gnavus group, and Tyzzerella. The association between E-DII score and ectopic fat occurred indirectly through Fusobacteria, Christensenellaceae R-7 group, Coprococcus 2, Escherichia-Shigella, [Eubacterium] xylanophilum group, Flavonifractor, Lachnoclostridium, [Ruminococcus] gnavus group, Tyzzerella, [Ruminococcus] gnavus group (VAT only), and α diversity (liver fat only). There was no significant association between E-DII score and adiposity phenotype through hs-CRP. CONCLUSIONS Associations found between E-DII and adiposity phenotypes occurred through the GM and LPS.
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Affiliation(s)
| | | | | | | | - Song-Yi Park
- University of Hawaii Cancer Center, Honolulu, HI, USA
| | | | | | - James R Hebert
- University of South Carolina,Cancer Prevention and Control Program, Department of Epidemiology and Biostatistics, Arnold School of Public Health, Columbia, SC, USA
| | - Michael D Wirth
- University of South Carolina,Cancer Prevention and Control Program, Department of Epidemiology and Biostatistics, Arnold School of Public Health, Columbia, SC, USA
| | - Thomas Ernst
- University of Maryland, Department of Diagnostic Radiology and Nuclear Medicine, Baltimore, MD, USA
| | - Timothy Randolph
- Fred Hutchinson Cancer Research Center, Public Health Sciences Division, Seattle, WA, USA
| | - Unhee Lim
- University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Johanna W Lampe
- Fred Hutchinson Cancer Research Center, Public Health Sciences Division, Seattle, WA, USA
| | | | - Meredith A J Hullar
- Fred Hutchinson Cancer Research Center, Public Health Sciences Division, Seattle, WA, USA
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Harmon BE, Shvetsov YB, Lim U, Leak CL, San Diego ERN, Monroe KR, Wilkens LR, Marchand LL. The joint association of cardiometabolic health and weight on mortality in the multiethnic cohort. ETHNICITY & HEALTH 2022; 27:658-671. [PMID: 32508127 PMCID: PMC7719582 DOI: 10.1080/13557858.2020.1771680] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 05/14/2020] [Indexed: 06/11/2023]
Abstract
Objective: While cardiometabolic abnormalities are associated with elevated risk of morbidity, they may not occur in all individuals with obesity. Less is known about associations with mortality, especially cancer mortality. This study examined associations between cardiometabolic-weight categories and mortality from cardiovascular disease (CVD), cancer, and all causes.Methods: Cox proportional hazards regressions of time to all-cause, CVD, and cancer mortalities were used to examine associations with cardiometabolic-weight status, in the Multiethnic Cohort (n=157,865). Cardiometabolic-weight status categories were: Metabolically Healthy Normal Weight, Metabolically Healthy Obese, Metabolically Healthy Overweight, Metabolically Unhealthy Normal Weight, Metabolically Unhealthy Obese, and Metabolically Unhealthy Overweight.Results: Higher mortality, especially for all-cause and CVD, was found for all metabolically unhealthy groups no matter the weight classification when compared to the Metabolically Healthy Normal Weight category across sex-ethnic groups. For all-cause mortality, a reduction in mortality was seen for males in the Metabolically Healthy Overweight category (HR: 0.88, 95% CI: 0.84, 0.93), especially for African American, Native Hawaiian, and Latino males. Mortality was elevated in the Metabolically Healthy Obese category for all-cause and CVD mortality in both sexes (HRrange: 1.08-1.93). Few associations were seen with cancer mortality.Conclusions: Past examinations of cardiometabolic-weight status and mortality have been hampered by a lack of diversity. In a racially/ethnically diverse population, metabolically unhealthy groups exhibited a substantially higher risk of death from all causes and CVD than metabolically healthy groups. A reduction in all-cause mortality was seen for some males classified as Metabolically Healthy Overweight; however, being classified as Metabolically Healthy Obese elevated mortality risk for males and females compared to Metabolically Healthy Normal Weight. Future research is needed to examine how sex-ethnic differences in body fat distribution and changes in weight over time influence associations between cardiometabolic-weight status and mortality.
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Affiliation(s)
- Brook E Harmon
- Division of Social and Behavioral Sciences, School of Public Health, University of Memphis, Memphis, TN, USA
| | - Yurii B Shvetsov
- Population Sciences in the Pacific Program (Cancer Epidemiology), University of Hawaii Cancer Center, Manoa, HI, USA
| | - Unhee Lim
- Population Sciences in the Pacific Program (Cancer Epidemiology), University of Hawaii Cancer Center, Manoa, HI, USA
| | - Cardella L Leak
- Center for Health System Improvement, College of Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Emily Rose N San Diego
- Division of Social and Behavioral Sciences, School of Public Health, University of Memphis, Memphis, TN, USA
| | - Kristine R Monroe
- Preventive Medicine, Keck School of Medicine of University of Southern California, Los Angeles, CA, USA
| | - Lynne R Wilkens
- Population Sciences in the Pacific Program (Cancer Epidemiology), University of Hawaii Cancer Center, Manoa, HI, USA
| | - Loic Le Marchand
- Population Sciences in the Pacific Program (Cancer Epidemiology), University of Hawaii Cancer Center, Manoa, HI, USA
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Kanaya AM, Hsing AW, Panapasa SV, Kandula NR, Araneta MRG, Shimbo D, Wang P, Gomez SL, Lee J, Narayan KMV, Mau MKLM, Bose S, Daviglus ML, Hu FB, Islam N, Jackson CL, Kataoka-Yahiro M, Kauwe JSK, Liu S, Ma GX, Nguyen T, Palaniappan L, Setiawan VW, Trinh-Shevrin C, Tsoh JY, Vaidya D, Vickrey B, Wang TJ, Wong ND, Coady S, Hong Y. Knowledge Gaps, Challenges, and Opportunities in Health and Prevention Research for Asian Americans, Native Hawaiians, and Pacific Islanders: A Report From the 2021 National Institutes of Health Workshop. Ann Intern Med 2022; 175:574-589. [PMID: 34978851 PMCID: PMC9018596 DOI: 10.7326/m21-3729] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Asian Americans (AsA), Native Hawaiians, and Pacific Islanders (NHPI) comprise 7.7% of the U.S. population, and AsA have had the fastest growth rate since 2010. Yet the National Institutes of Health (NIH) has invested only 0.17% of its budget on AsA and NHPI research between 1992 and 2018. More than 40 ethnic subgroups are included within AsA and NHPI (with no majority subpopulation), which are highly diverse culturally, demographically, linguistically, and socioeconomically. However, data for these groups are often aggregated, masking critical health disparities and their drivers. To address these issues, in March 2021, the National Heart, Lung, and Blood Institute, in partnership with 8 other NIH institutes, convened a multidisciplinary workshop to review current research, knowledge gaps, opportunities, barriers, and approaches for prevention research for AsA and NHPI populations. The workshop covered 5 domains: 1) sociocultural, environmental, psychological health, and lifestyle dimensions; 2) metabolic disorders; 3) cardiovascular and lung diseases; 4) cancer; and 5) cognitive function and healthy aging. Two recurring themes emerged: Very limited data on the epidemiology, risk factors, and outcomes for most conditions are available, and most existing data are not disaggregated by subgroup, masking variation in risk factors, disease occurrence, and trajectories. Leveraging the vast phenotypic differences among AsA and NHPI groups was identified as a key opportunity to yield novel clues into etiologic and prognostic factors to inform prevention efforts and intervention strategies. Promising approaches for future research include developing collaborations with community partners, investing in infrastructure support for cohort studies, enhancing existing data sources to enable data disaggregation, and incorporating novel technology for objective measurement. Research on AsA and NHPI subgroups is urgently needed to eliminate disparities and promote health equity in these populations.
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Affiliation(s)
- Alka M Kanaya
- University of California, San Francisco, San Francisco, California (A.M.K., S.L.G., T.N., J.Y.T.)
| | - Ann W Hsing
- Stanford University, Stanford, California (A.W.H., P.W., L.P.)
| | | | | | | | - Daichi Shimbo
- Columbia University Irving Medical Center, New York, New York (D.S.)
| | - Paul Wang
- Stanford University, Stanford, California (A.W.H., P.W., L.P.)
| | - Scarlett L Gomez
- University of California, San Francisco, San Francisco, California (A.M.K., S.L.G., T.N., J.Y.T.)
| | - Jinkook Lee
- University of Southern California, Los Angeles, California (J.L., V.W.S.)
| | | | | | - Sonali Bose
- Icahn School of Medicine at Mount Sinai, New York, New York (S.B., B.V.)
| | | | - Frank B Hu
- Harvard T.H. Chan School of Public Health, Boston, Massachusetts (F.B.H.)
| | - Nadia Islam
- New York University Grossman School of Medicine, New York, New York (N.I., C.T.)
| | - Chandra L Jackson
- National Institute of Environmental Health Sciences, National Institutes of Health, Bethesda, Maryland (C.L.J.)
| | | | | | - Simin Liu
- Brown University, Providence, Rhode Island (S.L.)
| | - Grace X Ma
- Temple University, Philadelphia, Pennsylvania (G.X.M.)
| | - Tung Nguyen
- University of California, San Francisco, San Francisco, California (A.M.K., S.L.G., T.N., J.Y.T.)
| | | | - V Wendy Setiawan
- University of Southern California, Los Angeles, California (J.L., V.W.S.)
| | - Chau Trinh-Shevrin
- New York University Grossman School of Medicine, New York, New York (N.I., C.T.)
| | - Janice Y Tsoh
- University of California, San Francisco, San Francisco, California (A.M.K., S.L.G., T.N., J.Y.T.)
| | | | - Barbara Vickrey
- Icahn School of Medicine at Mount Sinai, New York, New York (S.B., B.V.)
| | - Thomas J Wang
- University of Texas Southwestern Medical Center, Dallas, Texas (T.J.W.)
| | - Nathan D Wong
- University of California, Irvine, Irvine, California (N.D.W.)
| | - Sean Coady
- National Heart, Lung, and Blood Institute, Bethesda, Maryland (S.C., Y.H.)
| | - Yuling Hong
- National Heart, Lung, and Blood Institute, Bethesda, Maryland (S.C., Y.H.)
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Bea JW, Chen Z, Blew RM, Nicholas JS, Follis S, Bland VL, Cheng TYD, Ochs-Balcom HM, Wactawski-Wende J, Banack HR, Neuhouser ML, Laddu D, Stefanick ML, Cauley JA, Caan B, LeBoff MS, Chlebowski RT, Odegaard AO. MRI Based Validation of Abdominal Adipose Tissue Measurements From DXA in Postmenopausal Women. J Clin Densitom 2022; 25:189-197. [PMID: 34404568 PMCID: PMC8799761 DOI: 10.1016/j.jocd.2021.07.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 07/20/2021] [Accepted: 07/21/2021] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Visceral adipose tissue (VAT) is a hypothesized driver of chronic disease. Dual-energy X-ray absorptiometry (DXA) potentially offers a lower cost and more available alternative compared to gold-standard magnetic resonance imaging (MRI) for quantification of abdominal fat sub-compartments, VAT and subcutaneous adipose tissue (SAT). We sought to validate VAT and SAT area (cm2) from historical DXA scans against MRI. METHODOLOGY Participants (n = 69) from the Women's Health Initiative (WHI) completed a 3 T MRI scan and a whole body DXA scan (Hologic QDR2000 or QDR4500; 2004-2005). A subset of 43 participants were scanned on both DXA devices. DXA-derived VAT and SAT at the 4th lumbar vertebrae (5 cm wide) were analyzed using APEX software (v4.0, Hologic, Inc., Marlborough, MA). MRI VAT and SAT areas for the corresponding DXA region of interest were quantified using sliceOmatic software (v5.0, Tomovision, Magog, Canada). Pearson correlations between MRI and DXA-derived VAT and SAT were computed, and a Bland-Altman analysis was performed. RESULTS Participants were primarily non-Hispanic white (86%) with a mean age of 70.51 ± 5.79 years and a mean BMI of 27.33 ± 5.40 kg/m2. Correlations between MRI and DXA measured VAT and SAT were 0.90 and 0.92, respectively (p ≤ 0.001). Bland-Altman plots showed that DXA-VAT slightly overestimated VAT on the QDR4500 (-3.31 cm2); this bias was greater in the smaller subset measured on the older DXA model (QDR2000; -30.71 cm2). The overestimation of DXA-SAT was large (-85.16 to -118.66 cm2), but differences were relatively uniform for the QDR4500. CONCLUSIONS New software applied to historic Hologic DXA scans provide estimates of VAT and SAT that are well-correlated with criterion MRI among postmenopausal women.
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Affiliation(s)
- Jennifer W Bea
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ, USA; Department of Medicine, University of Arizona, Tucson, AZ, USA; University of Arizona Cancer Center, Tucson, AZ, USA.
| | - Zhao Chen
- Department of Epidemiology and Biostatistics, University of Arizona, Tucson, AZ, USA
| | - Robert M Blew
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ, USA
| | | | - Shawna Follis
- Stanford Prevention Research Center, Department of Medicine, Stanford University, Stanford, CA, USA
| | - Victoria L Bland
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ, USA
| | | | - Heather M Ochs-Balcom
- Department of Epidemiology and Environmental Health, State University of New York at Buffalo, Buffalo, NY, USA
| | - Jean Wactawski-Wende
- Department of Epidemiology and Environmental Health, State University of New York at Buffalo, Buffalo, NY, USA
| | - Hailey R Banack
- Department of Epidemiology and Environmental Health, State University of New York at Buffalo, Buffalo, NY, USA
| | - Marian L Neuhouser
- Cancer Prevention Program. Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Deepika Laddu
- Department of Physical Therapy, University of Illinois at Chicago, Chicago, IL, USA
| | - Marcia L Stefanick
- Stanford Prevention Research Center, Department of Medicine, Stanford University, Stanford, CA, USA
| | - Jane A Cauley
- Department of Epidemiology, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Bette Caan
- Division of Research, Kaiser Permanente, Oakland, CA, USA
| | - Meryl S LeBoff
- Department of Medicine, Harvard Medical School and Brigham and Women's Hospital, Boston, MA, USA
| | - Rowan T Chlebowski
- The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, Torrance, CA, USA
| | - Andrew O Odegaard
- Department of Epidemiology and Biostatistics, University of California, Irvine, CA, USA
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Wu AH, Setiawan VW, Lim U, Tseng CC, White KK, Shepherd J, Lenz HJ, Cheng I, Stram DO, Haiman C, Wilkens LR, Le Marchand L. Prognostic utility of self-reported sarcopenia (SARC-F) in the Multiethnic Cohort. J Cachexia Sarcopenia Muscle 2022; 13:987-1002. [PMID: 35098697 PMCID: PMC8977971 DOI: 10.1002/jcsm.12916] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Revised: 12/09/2021] [Accepted: 12/20/2021] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Age-related loss in skeletal muscle mass, quality, and strength, known as sarcopenia, is a well-known phenomenon of aging and is determined clinically using methods such as dual-energy X-ray absorptiometry (DXA). However, these clinical methods to measure sarcopenia are not practical for population-based studies, and a five-question screening tool known as SARC-F has been validated to screen for sarcopenia. METHODS We investigated the relationship between appendicular skeletal lean mass/height2 (ALM/HT2 ) (kg/m2 ) assessed by DXA and SARC-F in a subset of 1538 (778 men and 760 women) participants in the Multiethnic Cohort (MEC) Study after adjustment for race/ethnicity, age, and body mass index (BMI) at the time of DXA measurement. We then investigated the association between SARC-F and mortality among 71 283 (41 757 women and 29 526 men) participants in the MEC, who responded to the five SARC-F questions on a mailed questionnaire as part of the MEC follow-up in 2012-2016. RESULTS In women, SARC-F score was significantly inversely associated with ALM/HT2 after adjusting for race/ethnicity, and age and BMI at DXA (r = -0.167, P < 0.001); the result was similar in men although it did not reach statistical significance (r = -0.056, P = 0.12). Among the 71 000+ MEC participants, SARC-F score ≥ 4, as an indicator of sarcopenia, was higher in women (20.9%) than in men (11.2%) (P < 0.0001) and increased steadily with increasing age (6.3% in <70 vs. 41.3% in 90+ years old) (P < 0.0001). SARC-F score ≥ 4 was highest among Latinos (30.8% in women and 16.1% in men) and lowest in Native Hawaiian women (15.6%) and Japanese American men (8.9%). During an average of 6.8 years of follow-up, compared with men with SARC-F score of 0-1 (indicator of no sarcopenia), men with SARC-F 2-3 (indicator of pre-sarcopenia) and SARC-F ≥ 4 had significantly increased risk of all-cause mortality [hazard ratio (HR) = 1.00, 1.77, 3.73, P < 0.001], cardiovascular disease (CVD) mortality (HR = 1.00, 1.85, 3.98, P < 0.001), and cancer mortality (HR = 1.00, 1.46, 1.96, P < 0.001) after covariate adjustment. Comparable risk association patterns with SARC-F scores were observed in women (all-cause mortality: HR = 1.00, 1.47, 3.10, P < 0.001; CVD mortality: HR = 1.00, 1.59, 3.54, P < 0.001; cancer mortality: HR = 1.00, 1.30, 1.77, P < 0.001). These significant risk patterns between SARC-F and all-cause mortality were found across all sex-race/ethnic groups considered (12 in total). CONCLUSIONS An indicator of sarcopenia, determined using SARC-F, showed internal validity against DXA and displayed racial/ethnic and sex differences in distribution. SARC-F was associated with all-cause mortality as well as cause-specific mortality.
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Affiliation(s)
- Anna H Wu
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.,Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - V Wendy Setiawan
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.,Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.,Center for Genetic Epidemiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Unhee Lim
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Chiu-Cheng Tseng
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Kami K White
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - John Shepherd
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Heinz Josef Lenz
- Center for Genetic Epidemiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.,Department of Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Iona Cheng
- Department of Epidemiology and Biostatistics, University of California, San Francisco, San Francisco, CA, USA
| | - Daniel O Stram
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.,Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Christopher Haiman
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.,Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.,Center for Genetic Epidemiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Lynne R Wilkens
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Loïc Le Marchand
- Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
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Maskarinec G, Shvetsov YB, Wong MC, Garber A, Monroe K, Ernst TM, Buchthal SD, Lim U, Marchand LL, Heymsfield SB, Shepherd JA. Subcutaneous and visceral fat assessment by DXA and MRI in older adults and children. Obesity (Silver Spring) 2022; 30:920-930. [PMID: 35253409 PMCID: PMC10181882 DOI: 10.1002/oby.23381] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 12/16/2021] [Accepted: 12/30/2021] [Indexed: 12/17/2022]
Abstract
OBJECTIVE Given the importance of body fat distribution in chronic disease development, feasible methods to assess body fat are essential. This study compared dual-energy x-ray absorptiometry (DXA) in measuring visceral and subcutaneous adipose tissue (VAT and SAT) with magnetic resonance imaging (MRI). METHODS VAT and SAT were assessed using similar DXA and MRI protocols among 1,795 elderly participants of the Adiposity Phenotype Study (APS) and 309 children/adolescents in Shape Up! Kids (SKids). Spearman correlations, Bland-Altman plots, and coefficients of determination (R2 ) assessed agreement between DXA and MRI measures. RESULTS DXA overestimated SAT values in APS (315 vs. 229 cm2 ) and SKids (212 vs. 161 cm2 ), whereas DXA underestimated VAT measures (141 vs. 167 cm2 ) in adults only. The correlations between DXA and MRI values were stronger for SAT than VAT (APS: r = 0.92 vs. 0.88; SKids: 0.90 vs. 0.74). Bland-Altman plots confirmed better agreement for SAT than VAT despite differences by sex, ethnicity, and weight status with respective R2 values for SAT and VAT of 0.88 and 0.84 (APS) and 0.81 and 0.69 (SKids). CONCLUSION These findings indicate that SAT by DXA reflects MRI measures in children and older adults, whereas agreement for VAT is weaker for individuals with low VAT levels.
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Affiliation(s)
- Gertraud Maskarinec
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, USA
| | - Yurii B. Shvetsov
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, USA
| | - Michael C. Wong
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, USA
| | - Andrea Garber
- School of Medicine, University of California at San Francisco, San Francisco, California, USA
| | - Kristine Monroe
- Preventive Medicine, University of Southern California, Los Angeles, California, USA
| | - Thomas M. Ernst
- Diagnostic Radiology and Nuclear Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Steven D. Buchthal
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, USA
| | - Unhee Lim
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, USA
| | - Loïc Le Marchand
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, USA
| | | | - John A. Shepherd
- Population Sciences in the Pacific, University of Hawaii Cancer Center, Honolulu, Hawaii, USA
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Lee K, Vakili S, Burden HJ, Adams S, Smith GC, Kulatea B, Wright-McNaughton M, Sword D, Watene-O'Sullivan C, Atiola RD, Paul RG, Plank LD, Kallingappa P, King F, Wilcox P, Merriman TR, Krebs JD, Hall RM, Murphy R, Merry TL, Shepherd PR. The minor allele of the CREBRF rs373863828 p.R457Q coding variant is associated with reduced levels of myostatin in males: Implications for body composition. Mol Metab 2022; 59:101464. [PMID: 35218947 PMCID: PMC8927835 DOI: 10.1016/j.molmet.2022.101464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 02/16/2022] [Accepted: 02/16/2022] [Indexed: 12/04/2022] Open
Abstract
Objective The minor allele (A) of the rs373863828 variant (p.Arg457Gln) in CREBRF is restricted to indigenous peoples of the Pacific islands (including New Zealand Māori and peoples of Polynesia), with a frequency of up to 25% in these populations. This allele associates with a large increase in body mass index (BMI) but with significantly lower risk of type-2 diabetes (T2D). It remains unclear whether the increased BMI is driven by increased adiposity or by increased lean mass. Methods We undertook body composition analysis using DXA in 189 young men of Māori and Pacific descent living in Aotearoa New Zealand. Further investigation was carried out in two orthologous Arg458Gln knockin mouse models on FVB/NJ and C57BL/6j backgrounds. Results The rs373863828 A allele was associated with lower fat mass when adjusted for BMI (p < 0.05) and was associated with significantly lower circulating levels of the muscle inhibitory hormone myostatin (p < 0.05). Supporting the human data, significant reductions in adipose tissue mass were observed in the knockin mice. This was more significant in older mice in both backgrounds and appeared to be the result of reduced age-associated increases in fat mass. The older male knockin mice on C57BL/6j background also had increased grip strength (p < 0.01) and lower levels of myostatin (p < 0.05). Conclusion Overall, these results prove that the rs373863828 A-allele is associated with a reduction of myostatin levels which likely contribute to an age-dependent lowering of fat mass, at least in males. The CREBRF p.457Gln variant associates with decreased fat mass in males. Consistent with this CREBRF p.457Gln associates with decreased myostatin levels. These effects are more obvious with age.
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Affiliation(s)
- Kate Lee
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand; Department of Molecular Medicine and Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
| | - Sanaz Vakili
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand; Department of Molecular Medicine and Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
| | - Hannah J Burden
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand; Department of Molecular Medicine and Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
| | - Shannon Adams
- Discipline of Nutrition, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
| | - Greg C Smith
- Department of Pharmacology, School of Medical Sciences, UNSW Australia, Kensington, Australia
| | - Braydon Kulatea
- Discipline of Nutrition, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
| | | | - Danielle Sword
- Department of Medicine, University of Otago Wellington, Wellington, New Zealand
| | | | - Robert D Atiola
- Discipline of Nutrition, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
| | - Ryan G Paul
- Waikato Medical Research Centre, University of Waikato, Hamilton, New Zealand
| | - Lindsay D Plank
- Department of Surgery, School of Medicine, The University of Auckland, Auckland, New Zealand
| | - Prasanna Kallingappa
- Department of Molecular Medicine and Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand
| | - Frances King
- Ngati Porou Hauora, Te Puia Springs, New Zealand
| | - Phillip Wilcox
- Department of Mathematics and Statistics, University of Otago, New Zealand
| | - Tony R Merriman
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand; Department of Biochemistry, School of Biomedical Sciences, University of Otago, New Zealand; Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Alabama, United States
| | - Jeremy D Krebs
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand; Department of Medicine, University of Otago Wellington, Wellington, New Zealand
| | - Rosemary M Hall
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand; Department of Medicine, University of Otago Wellington, Wellington, New Zealand
| | - Rinki Murphy
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand; Department of Medicine, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand
| | - Troy L Merry
- Discipline of Nutrition, School of Medical Sciences, The University of Auckland, Auckland, New Zealand; Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand
| | - Peter R Shepherd
- Maurice Wilkins Centre for Molecular Biodiscovery, The University of Auckland, Auckland, New Zealand; Department of Molecular Medicine and Pathology, School of Medical Sciences, The University of Auckland, Auckland, New Zealand.
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Sniatynski MJ, Shepherd JA, Ernst T, Wilkens LR, Hsu DF, Kristal BS. Ranks underlie outcome of combining classifiers: Quantitative roles for diversity and accuracy. PATTERNS (NEW YORK, N.Y.) 2022; 3:100415. [PMID: 35199065 PMCID: PMC8848007 DOI: 10.1016/j.patter.2021.100415] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 09/20/2021] [Accepted: 11/24/2021] [Indexed: 11/22/2022]
Abstract
Combining classifier systems potentially improves predictive accuracy, but outcomes have proven impossible to predict. Classification most commonly improves when the classifiers are "sufficiently good" (generalized as " accuracy ") and "sufficiently different" (generalized as " diversity "), but the individual and joint quantitative influence of these factors on the final outcome remains unknown. We resolve these issues. Beginning with simulated data, we develop the DIRAC framework (DIversity of Ranks and ACcuracy), which accurately predicts outcome of both score-based fusions originating from exponentially modified Gaussian distributions and rank-based fusions, which are inherently distribution independent. DIRAC was validated using biological dual-energy X-ray absorption and magnetic resonance imaging data. The DIRAC framework is domain independent and has expected utility in far-ranging areas such as clinical biomarker development/personalized medicine, clinical trial enrollment, insurance pricing, portfolio management, and sensor optimization.
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Affiliation(s)
- Matthew J. Sniatynski
- Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women's Hospital, 221 Longwood Avenue, LM322B, Boston, MA 02115, USA
- Division of Sleep Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - John A. Shepherd
- School of Medicine, University of California San Francisco, San Francisco, CA 94143, USA
| | - Thomas Ernst
- John A. Burns School of Medicine, University of Hawaii at Mānoa, Honolulu, HI 96813, USA
| | - Lynne R. Wilkens
- University of Hawaii Cancer Center, University of Hawaii at Mānoa, Honolulu, HI 96813, USA
| | - D. Frank Hsu
- Department of Computer and Information Science, Fordham University, LL813, 113 West 60th Street, New York, NY 10023, USA
| | - Bruce S. Kristal
- Division of Sleep and Circadian Disorders, Department of Medicine, Brigham and Women's Hospital, 221 Longwood Avenue, LM322B, Boston, MA 02115, USA
- Division of Sleep Medicine, Harvard Medical School, Boston, MA 02115, USA
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Dietary Intake Mediates Ethnic Differences in Gut Microbial Composition. Nutrients 2022; 14:nu14030660. [PMID: 35277019 PMCID: PMC8840192 DOI: 10.3390/nu14030660] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/01/2022] [Accepted: 02/03/2022] [Indexed: 11/16/2022] Open
Abstract
Background: The human gut microbiome (GM) has been observed to vary by race/ethnicity. Objective: Assess whether racial/ethnic GM variation is mediated by differences in diet. Design: Stool samples collected from 2013 to 2016 from 5267 healthy Multiethnic Cohort participants (age 59−98) were analyzed using 16S rRNA gene sequencing to estimate the relative abundance of 152 bacterial genera. For 63 prevalent genera (>50% in each ethnic group), we analyzed the mediation of GM differences among African Americans, Japanese Americans, Latinos, Native Hawaiians, and Whites by overall diet quality (Healthy Eating Index score (HEI-2015)) and intake amounts of 14 component foods/nutrients assessed from 2003 to 2008. For each significant mediation (p < 1.3 × 10−5), we determined the percent of the total ethnicity effect on genus abundance mediated by the dietary factor. Results: Ethnic differences in the abundance of 12 genera were significantly mediated by one or more of eight dietary factors, most frequently by overall diet quality and intakes of vegetables and red meat. Lower vegetable intake mediated differences in Lachnospira (36% in African Americans, 39% in Latinos) and Ruminococcus-1 (−35% in African Americans, −43% in Latinos) compared to Native Hawaiians who consumed the highest amount. Higher red meat intake mediated differences in Lachnospira (−41%) and Ruminococcus-1 (36%) in Native Hawaiians over African Americans, who consumed the least. Dairy and alcohol intakes appeared to mediate and counterbalance the difference in Bifidobacterium between Whites and Japanese Americans. Conclusions: Overall diet quality and component food intakes may contribute to ethnic differences in GM composition and to GM-related racial/ethnic health disparities.
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Reed RM, Nevitt SJ, Kemp GJ, Cuthbertson DJ, Whyte MB, Goff LM. Ectopic fat deposition in populations of black African ancestry: A systematic review and meta-analysis. Acta Diabetol 2022; 59:171-187. [PMID: 34518896 PMCID: PMC8841318 DOI: 10.1007/s00592-021-01797-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 09/02/2021] [Indexed: 02/07/2023]
Abstract
AIMS In populations of black African ancestry (BA), a paradox exists whereby lower visceral adipose tissue is found despite their high risk for type 2 diabetes (T2D). This systematic review investigates ethnic differences in other ectopic fat depots (intrahepatic lipid: IHL; intramyocellular lipid: IMCL and intrapancreatic lipid; IPL) to help contextualise their potential contribution to T2D risk. METHODS A systematic literature search was performed in December 2020 to identify studies reporting at least one ectopic fat comparison between BA and one/more other ethnicity. For IHL, a meta-analysis was carried out with studies considered comparable based on the method of measurement. RESULTS Twenty-eight studies were included (IHL: n = 20; IMCL: n = 8; IPL: n = 4). Meta-analysis of 11 studies investigating IHL revealed that it was lower in BA populations vs pooled ethnic comparators (MD -1.35%, 95% CI -1.55 to -1.16, I2 = 85%, P < 0.00001), white European ancestry (MD -0.94%, 95% CI -1.17 to -0.70, I2 = 79%, P < 0.00001), Hispanic ancestry (MD -2.06%, 95% CI -2.49 to -1.63, I2 = 81%, P < 0.00001) and South Asian ancestry comparators (MD -1.92%, 95% CI -3.26 to -0.57, I2 = 78%, P = 0.005). However, heterogeneity was high in all analyses. Most studies found no significant differences in IMCL between BA and WE. Few studies investigated IPL, however, indicated that IPL is lower in BA compared to WE and HIS. CONCLUSION The discordance between ectopic fat and greater risk for T2D in BA populations raises questions around its contribution to T2D pathophysiology in BA.
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Affiliation(s)
- Reuben M Reed
- Department of Nutritional Sciences, Faculty of Life Sciences & Medicine, King's College London, London, UK
| | - Sarah J Nevitt
- Department of Health Data Science, Institute of Population Health, University of Liverpool, Liverpool, UK
| | - Graham J Kemp
- Department of Musculoskeletal and Ageing Science. Institute of Life Course and Medical Sciences, Liverpool Magnetic Resonance Imaging Centre (LiMRIC), University of Liverpool, Liverpool, UK
| | - Daniel J Cuthbertson
- Department of Cardiovascular and Metabolic Medicine, Institute of Life Course Sciences, University of Liverpool, Liverpool, UK
| | - Martin B Whyte
- Faculty of Health & Medical Sciences, University of Surrey, Guildford, Surrey, UK
| | - Louise M Goff
- Department of Nutritional Sciences, Faculty of Life Sciences & Medicine, King's College London, London, UK.
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Sarink D, White KK, Loo LW, Wu AH, Wilkens LR, Marchand LL, Park SY, Setiawan VW, Merritt MA. Racial/ethnic differences in postmenopausal breast cancer risk by hormone receptor status: The multiethnic cohort study. Int J Cancer 2022; 150:221-231. [PMID: 34486728 PMCID: PMC8627491 DOI: 10.1002/ijc.33795] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/20/2021] [Accepted: 08/23/2021] [Indexed: 01/17/2023]
Abstract
There are racial/ethnic differences in the incidence of hormone receptor positive and negative breast cancer. To understand why these differences exist, we investigated associations between hormone-related factors and breast cancer risk by race/ethnicity in the Multiethnic Cohort (MEC) Study. Among 81 511 MEC participants (Native Hawaiian, Japanese American, Latina, African American and White women), 3806 estrogen receptor positive (ER+) and 828 ER- incident invasive breast cancers were diagnosed during a median of 21 years of follow-up. We used Cox proportional hazards regression models to calculate associations between race/ethnicity and breast cancer risk, and associations between hormone-related factors and breast cancer risk by race/ethnicity. Relative to White women, ER+ breast cancer risk was higher in Native Hawaiians and lower in Latinas and African Americans; ER- disease risk was higher in African Americans. We observed interaction with race/ethnicity in associations between oral contraceptive use (OC; Pint .03) and body mass index (BMI; Pint .05) with ER+ disease risk; ever versus never OC use increased risk only in Latinas and positive associations for obese versus lean BMI were strongest in Japanese Americans. For ER- disease risk, associations for OC use, particularly duration of use, were strongest for African Americans (Pint .04). Our study shows that associations of OC use and obesity with ER+ and ER- breast cancer risk differ by race/ethnicity, but established risk factors do not fully explain racial/ethnic differences in risk. Further studies are needed to identify factors to explain observed racial/ethnic differences in breast cancer incidence.
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Affiliation(s)
- Danja Sarink
- Cancer Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Kami K. White
- Cancer Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Lenora W.M. Loo
- Cancer Biology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Anna H. Wu
- Department of Preventive Medicine, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - Lynne R. Wilkens
- Cancer Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Loïc Le Marchand
- Cancer Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - Song-Yi Park
- Cancer Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
| | - V. Wendy Setiawan
- Department of Preventive Medicine, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - Melissa A. Merritt
- Cancer Epidemiology Program, University of Hawaii Cancer Center, Honolulu, HI, USA
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Frankenfeld CL, Hullar MA, Maskarinec G, Monroe KR, Shepherd JA, Franke AA, Randolph TW, Wilkens LR, Boushey CJ, Le Marchand L, Lim U, Lampe JW. The Gut Microbiome Is Associated with Circulating Dietary Biomarkers of Fruit and Vegetable Intake in a Multiethnic Cohort. J Acad Nutr Diet 2022; 122:78-98. [PMID: 34226163 PMCID: PMC9019929 DOI: 10.1016/j.jand.2021.05.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 04/01/2021] [Accepted: 05/20/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND Results from observational studies suggest high diet quality favorably influences the human gut microbiome. Fruit and vegetable consumption is often a key contributor to high diet quality. OBJECTIVE To evaluate measures of gut bacterial diversity and abundance in relation to serum biomarkers of fruit and vegetable intake. DESIGN Secondary analysis of cross-sectional data. PARTICIPANTS AND SETTING Men and women from Los Angeles, CA, and Hawai'i who participated in the Multiethnic Cohort-Adiposity Phenotype Study from 2013 to 2016 (N = 1,709). MAIN OUTCOME MEASURES Gut microbiome diversity and composition in relation to dietary biomarkers. STATISTICAL ANALYSIS Carotenoid (beta carotene, alpha carotene, cryptoxanthins, lutein, lycopene, and zeaxanthin), tocopherol (α, β + γ, and δ), and retinol concentrations were assessed in serum. The α and β diversity and composition of the gut microbiome were classified based on 16S rRNA gene sequencing of bacterial DNA from self-collected fecal samples. Global differences in microbial community profiles in relation dietary biomarkers were evaluated using multivariable permutational analysis of variance. Associations of α diversity (Shannon index), β diversity (weighted and unweighted UniFrac) with center log-ratio-transformed phyla and genera abundances were evaluated using linear regression, adjusted for covariates. RESULTS Increasing total carotenoid, beta carotene, alpha carotene, cryptoxanthin, and lycopene concentrations were associated with higher gut bacterial diversity (Shannon Index) (P < 0.001). Total tocopherol, α-tocopherol, and δ-tocopherol concentrations contributed significantly to more than 1% of the microbiome variation in gut bacterial community: total tocopherol: 1.74%; α-tocopherol: 1.70%; and δ-tocopherol: 1.16% (P < 0.001). Higher total carotenoid was associated with greater abundance of some genera relevant for microbial macronutrient metabolism (P < 0.001). CONCLUSIONS Objective biomarkers of fruit and vegetable intake, particularly carotenoids, were favorably associated with gut bacterial composition and diversity in this multiethnic population. These observations provide supportive evidence that fruit and vegetable intake is related to gut bacterial composition; more work is needed to elucidate how this influences host health.
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Affiliation(s)
- Cara L. Frankenfeld
- George Mason University, 4400 University Drive MS 5B7, Fairfax, VA, 22030,Associate Professor and Program Director, Master of Public Health Program; University of Puget Sound, 1500 N. Warner St, Tacoma, WA 98416
| | | | | | | | - John A. Shepherd
- Population Sciences in the Pacific Program, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813
| | - Adrian A. Franke
- Cancer Biology Program, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813
| | - Timothy W. Randolph
- Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, Seattle, WA 98109
| | - Lynne R. Wilkens
- Population Sciences in the Pacific Program, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813
| | - Carol J. Boushey
- University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813
| | - Loïc Le Marchand
- University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813
| | - Unhee Lim
- Population Sciences in the Pacific Program, University of Hawaii Cancer Center, 701 Ilalo Street, Honolulu, HI 96813
| | - Johanna W. Lampe
- Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, Seattle, WA 98109
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Association of Periaortic Fat and Abdominal Visceral Fat with Coronary Artery Atherosclerosis in Chinese Middle Aged and Elderly Patients Undergoing Computed Tomography Coronary Angiography. Glob Heart 2021; 16:74. [PMID: 34900565 PMCID: PMC8533656 DOI: 10.5334/gh.1078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 09/29/2021] [Indexed: 11/20/2022] Open
Abstract
Background and Aims: Coronary artery disease (CAD) is usually caused by atherosclerosis, which is associated with general obesity and stronger associations with localized ectopic fat depots have been reported. We measured body ectopic fat distribution in Chinese patients to determine the association with coronary artery atherosclerosis (CA). Methods: Patients undergoing coronary computed tomography angiography (CCTA) who agreed to participate in the study (n = 750, 50.4% men, mean age 64.8 years) had cardiovascular disease and risk assessment. Body ectopic fat depots were measured from CT and their association with CA, determined from CCTA, was evaluated by univariate and multivariate logistic regression models. Results: CAD with CA (CAD-CA) was present in 57.2% of participants with CAD of moderate/severe CA (CAD-msCA) present in 23.5% and both were significantly more frequent in men than in women. Overall, men had greater body mass index (BMI) but there was no difference in waist circumference (WC) between genders. However, significantly higher visceral adipose tissue (VAT) and periaortic fat volume (PAFV) were observed in men, whereas women had significantly higher abdominal subcutaneous adipose tissue (SAT). With increasing age, there was a significant decline in BMI, WC and SAT in men, but a significant increase of WC and VAT, PAFV and epicardial fat volume (EFV) in women. A high proportion of non-calcified plaques was observed in CAD-CA, 55.3% in CAD of minimal/mild CA (CAD-mmCA) with 38.7% exclusively non-calcified plaques, and 59.7% in CAD-msCA with multiple type plaques containing non-calcified ones. Multivariate logistic regression showed a significant association of PAFV with CAD-CA and CAD-msCA that was independent of general obesity and clinical risk factors, and independent of abdominal obesity in the highest PAFV quartile patients. VATA was associated with an increased prevalence of CAD-msCA in the patients in the upper 2 VATA quartiles that was independent of clinical risk factors and both general and abdominal obesity. Conclusions: We found age and gender differences of body ectopic fat distribution in Chinese patients with higher VAT and PAFV in men and higher SAT in women. With increased age, there was a decline of WC and SAT in men but not in women and an increase in WC, VAT and PAFV in women but not in men. PAFV was significantly associated with overall CAD-CA and CAD-msCA, while VAT was associated with CAD-msCA.
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Galizzi HO, Couto CA, Taranto DOL, Araújo SIO, Vilela EG. Accuracy of non-invasive methods/models for predicting esophageal varices in patients with compensated advanced chronic liver disease secondary to nonalcoholic fatty liver disease. Ann Hepatol 2021; 20:100229. [PMID: 32745630 DOI: 10.1016/j.aohep.2020.07.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/19/2020] [Accepted: 07/20/2020] [Indexed: 02/04/2023]
Abstract
INTRODUCTION Nonalcoholic fatty liver disease (NAFLD) patients can progress to cirrhosis. In these, there is a compensated stage in which esophageal varices can exist. However, no more than 20% of these patients have varices needing treatment (VNT). OBJECTIVE Evaluate the accuracy of non-invasive models to predict esophageal varices, as well as their performance to avoid esophagogastroduodenoscopy (EGD) with a risk of missing VNT of less than 5%, in Brazilian patients with compensated advanced chronic liver disease (cACLD) secondary to NAFLD. METHODS Twenty-one patients with biopsy-proven cACLD secondary to NAFLD were submitted to liver stiffness measurement (LSM) by transient elastography (TE), and data were collected to measure platelet count/spleen diameter ratio (PSR), LSM-spleen diameter to platelet ratio score (LSPS), varices risk score (VRS), Baveno VI, Expanded Baveno VI and NAFLD cirrhosis criteria. RESULTS The mean age was 61 (±6.6) years, and 81% were female; 14% presented VNT. For detection of VNT, LSPS and VRS performed excellently, with an area under receiver operating characteristic (AUROC) of 0.961 for both. LSM presented an AUROC of 0.889 and a cutoff point of 21.8 kPa. LSPS and VRS enabled sparing 75-80% of EGDs for VNT, with no risk of missing varices. Expanded Baveno VI enabled sparing 71% of EGDs, with 4.8% risk of missing VNT. CONCLUSION LSPS and VRS performed excellently in both predicting VNT and sparing EGD, and Expanded Baveno VI showed good performance in sparing EGDs, with acceptable risk of missing VNT. An LSM cutoff point was established and had good performance.
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Affiliation(s)
- Humberto O Galizzi
- Postgraduate Program in Sciences Applied to Adult Health, Federal University of Minas Gerais Medical School (Programa de Pós-Graduação em Ciências Aplicadas à Saúde do Adulto, Faculdade de Medicina da Universidade Federal de Minas Gerais), Brazil.
| | - Claudia A Couto
- Postgraduate Program in Sciences Applied to Adult Health, Federal University of Minas Gerais Medical School (Programa de Pós-Graduação em Ciências Aplicadas à Saúde do Adulto, Faculdade de Medicina da Universidade Federal de Minas Gerais), Brazil; Alfa Institute of Gastroenterology of the Clinical Hospital of the Federal University of Minas Gerais (Instituto Alfa de Gastroenterologia, Hospital das Clínicas da Universidade Federal de Minas Gerais), Brazil
| | - Daniela O L Taranto
- Diagnostic Imaging Unit of the Clinical Hospital of the Federal University of Minas Gerais, Brazil
| | | | - Eduardo G Vilela
- Postgraduate Program in Sciences Applied to Adult Health, Federal University of Minas Gerais Medical School (Programa de Pós-Graduação em Ciências Aplicadas à Saúde do Adulto, Faculdade de Medicina da Universidade Federal de Minas Gerais), Brazil; Alfa Institute of Gastroenterology of the Clinical Hospital of the Federal University of Minas Gerais (Instituto Alfa de Gastroenterologia, Hospital das Clínicas da Universidade Federal de Minas Gerais), Brazil
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50
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Talens M, Tumas N, Lazarus JV, Benach J, Pericàs JM. What Do We Know about Inequalities in NAFLD Distribution and Outcomes? A Scoping Review. J Clin Med 2021; 10:jcm10215019. [PMID: 34768539 PMCID: PMC8584385 DOI: 10.3390/jcm10215019] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/17/2021] [Accepted: 10/25/2021] [Indexed: 02/06/2023] Open
Abstract
With prevalence high and rising given the close relationship with obesity and diabetes mellitus, non-alcoholic fatty liver disease (NAFLD) is progressively becoming the most common chronic liver condition worldwide. However, little is known about the health inequalities in NAFLD distribution and outcomes. This review aims to analyze health inequalities in NAFLD distribution globally and to assess the health disparities in NAFLD-related outcomes. We conducted a scoping review of global health inequalities in NAFLD distribution and outcomes according to gender/sex, ethnicity/race, and socioeconomic position from PubMed's inception to May 2021. Ultimately, 20 articles were included in the review, most (75%) of them carried out in the United States. Males were found to have a higher NAFLD prevalence (three articles), while available evidence suggests that women have an overall higher burden of advanced liver disease and complications (four articles), whereas they are less likely to be liver-transplanted once cirrhosis develops (one article). In the US, the Hispanic population had the highest NAFLD prevalence and poorer outcomes (seven articles), whereas Whites had fewer complications than other ethnicities (two articles). Patients with low socioeconomic status had higher NAFLD prevalence (four articles) and a higher likelihood of progression and complications (five articles). In conclusion, globally there is a lack of studies analyzing NAFLD prevalence and outcomes according to various axes of inequality through joint intersectional appraisals, and most studies included in our review were based on the US population. Available evidence suggests that NAFLD distribution and outcomes show large inequalities by social group. Further research on this issue is warranted.
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Affiliation(s)
- Mar Talens
- Research Group on Health Inequalities, Environment, and Employment Conditions, Department of Social and Political Science, Pompeu Fabra University, 08005 Barcelona, Spain; (M.T.); (N.T.); (J.B.)
| | - Natalia Tumas
- Research Group on Health Inequalities, Environment, and Employment Conditions, Department of Social and Political Science, Pompeu Fabra University, 08005 Barcelona, Spain; (M.T.); (N.T.); (J.B.)
- Public Policy Center (UPF-BSM), Johns Hopkins University-Pompeu Fabra University, 08005 Barcelona, Spain
- Centro de Investigaciones y Estudios sobre Cultura y Sociedad, Consejo Nacional de Investigaciones Científicas y Técnicas y Universidad Nacional de Córdoba, Córdoba 5016, Argentina
| | - Jeffrey V. Lazarus
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic, University of Barcelona, 08036 Barcelona, Spain;
| | - Joan Benach
- Research Group on Health Inequalities, Environment, and Employment Conditions, Department of Social and Political Science, Pompeu Fabra University, 08005 Barcelona, Spain; (M.T.); (N.T.); (J.B.)
- Public Policy Center (UPF-BSM), Johns Hopkins University-Pompeu Fabra University, 08005 Barcelona, Spain
- Transdisciplinary Research Group on Socioecological Transitions (GinTrans2), Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Juan M. Pericàs
- Research Group on Health Inequalities, Environment, and Employment Conditions, Department of Social and Political Science, Pompeu Fabra University, 08005 Barcelona, Spain; (M.T.); (N.T.); (J.B.)
- Public Policy Center (UPF-BSM), Johns Hopkins University-Pompeu Fabra University, 08005 Barcelona, Spain
- Liver Unit, Internal Medicine Department, Vall d’Hebron University Hospital, Vall d’Hebron Institute for Research, 08035 Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), 28029 Madrid, Spain
- Correspondence:
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