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Liu X, Tang Y, Luo Y, Gao Y, He L. Role and mechanism of specialized pro-resolving mediators in obesity-associated insulin resistance. Lipids Health Dis 2024; 23:234. [PMID: 39080624 PMCID: PMC11290132 DOI: 10.1186/s12944-024-02207-9] [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: 03/15/2024] [Accepted: 07/07/2024] [Indexed: 08/02/2024] Open
Abstract
With the changing times, obesity has become a characteristic epidemic in the context of the current era. Insulin resistance (IR) is most commonly caused by obesity, and IR is a common basis of the pathogenesis of many diseases such as cardiovascular disease, nonalcoholic fatty liver disease, and type 2 diabetes, which seriously threaten human life, as well as health. A major pathogenetic mechanism of obesity-associated IR has been found to be chronic low-grade inflammation in adipose tissue. Specialized pro-resolving mediators (SPMs) are novel lipid mediators that both function as "stop signals" for inflammatory reaction and promote inflammation to subside. In this article, we summarize the pathogenesis of obesity-associated IR and its treatments and outline the classification and biosynthesis of SPMs and their mechanisms and roles in the treatment of obesity-associated IR in order to explore the potential of SPMs for treating metabolic diseases linked with obesity-associated IR.
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Affiliation(s)
- Xinru Liu
- College of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yu Tang
- College of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yuanyuan Luo
- College of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yongxiang Gao
- College of International Education, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
| | - Lisha He
- College of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
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2
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Parihar A, Malviya S, Khan R, Kaushik A, Mostafavi E. COVID-19 associated thyroid dysfunction and other comorbidities and its management using phytochemical-based therapeutics: a natural way. Biosci Rep 2023; 43:BSR20230293. [PMID: 37212057 PMCID: PMC10372472 DOI: 10.1042/bsr20230293] [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: 02/14/2023] [Revised: 05/16/2023] [Accepted: 05/19/2023] [Indexed: 05/23/2023] Open
Abstract
The present severe acute respiratory syndrome-2 (SARS-CoV-2) mediated Coronavirus pandemic (COVID-19) and post-COVID-19 complications affect human life drastically. Patients who have been cured of COVID-19 infection are now experiencing post-COVID-19 associated comorbidities, which have increased mortality rates. The SARS-CoV-2 infection distresses the lungs, kidneys, gastrointestinal tract, and various endocrine glands, including the thyroid. The emergence of variants which includes Omicron (B.1.1.529) and its lineages threaten the world severely. Among different therapeutic approaches, phytochemical-based therapeutics are not only cost-effective but also have lesser side effects. Recently a plethora of studies have shown the therapeutic efficacy of various phytochemicals for the treatment of COVID-19. Besides this, various phytochemicals have been found efficacious in treating several inflammatory diseases, including thyroid-related anomalies. The method of the phytochemical formulation is quick and facile and the raw materials for such herbal preparations are approved worldwide for human use against certain disease conditions. Owing to the advantages of phytochemicals, this review primarily discusses the COVID-19-related thyroid dysfunction and the role of key phytochemicals to deal with thyroid anomaly and post-COVID-19 complications. Further, this review shed light on the mechanism via which COVID-19 and its related complication affect organ function of the body, along with the mechanistic insight into the way by which phytochemicals could help to cure post-COVID-19 complications in thyroid patients. Considering the advantages offered by phytochemicals as a safer and cost-effective medication they can be potentially used to combat COVID-19-associated comorbidities.
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Affiliation(s)
- Arpana Parihar
- Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, MP, India
| | - Shivani Malviya
- Department of Biochemistry and Genetics, Barkatullah University, Habib Ganj, Bhopal, Madhya Pradesh 462026, India
| | - Raju Khan
- Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, MP, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Department of Environmental Engineering, Florida Polytechnic University, Lakeland, FL 33805, U.S.A
- School of Engineering, University of Petroleum and Energy Studies, Dehradun 248007, India
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA 94305, U.S.A
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94305, U.S.A
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3
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Zeng G, Zhang Q, Wang X, Wu KH. Association between blood ethylene oxide levels and the risk of cardiovascular diseases in the general population. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:64921-64928. [PMID: 34322816 DOI: 10.1007/s11356-021-15572-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 07/16/2021] [Indexed: 06/13/2023]
Abstract
Ethylene oxide (EtO) is a highly reactive organic compound that is mainly used as a sterilizing agent. However, to date, the effects of EtO on the cardiovascular system are not clear. We aimed to explore the association between blood EtO levels and the risk of cardiovascular disease (CVD) in the general US population. We obtained information on blood levels of EtO and CVD outcomes in 3,410 participants from the National Health and Nutritional Examination Survey (NHANES) 2013-2014 and 2015-2016. Logistic regression models were applied to calculate the odds ratios (ORs) and 95% confidence intervals (95% CIs) for the association between EtO and risk of all CVD as well as subtypes of CVD. Linear regression analyses were used to estimate the associations of EtO with potential mechanistic parameters of CVD, including blood pressure, blood lipid levels and inflammatory parameters. Higher blood levels of EtO were associated with an increased risk of all CVD (p for trend = 0.003), with an adjusted OR (95% CI) in the highest quartile of 1.94 (1.24, 3.02) compared with the lowest quartile as a reference. Higher concentrations of EtO were positively associated with the risk of angina (p for trend = 0.04) and heart attack (p for trend = 0.011). In addition, the concentration of EtO was positively associated with the levels of triglycerides, white blood cells, lymphocytes, monocytes, neutrophils and eosinophils (p = 0.003 for eosinophils and p < 0.001 for the others) and negatively associated with the level of high-density lipoprotein cholesterol (p < 0.001). We found that exposure to EtO was associated with angina, heart attack and all CVD in a large representative US population. Furthermore, EtO may induce CVD through the inflammatory response and abnormal fatty acid metabolism.
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Affiliation(s)
- Guowei Zeng
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Qi Zhang
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Xiaowei Wang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Kai-Hong Wu
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
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Abstract
Leptin for over 25 years has been a central theme in the study of appetite, obesity, and starvation. As the major site of leptin production is peripheral, and the site of action of greatest interest is the hypothalamus, how leptin accesses the central nervous system (CNS) and crosses the blood-brain barrier (BBB) has been of great interest. We review here the ongoing research that addresses fundamental questions such as the sites of leptin resistances in obesity and other conditions, the causes of resistances and their relations to one another, the three barrier sites of entry into the CNS, why recent studies using suprapharmacological doses cannot address these questions but give insight into nonsaturable entry of leptin into the CNS, and how that might be useful in using leptin therapeutically. The current status of the controversy of whether the short form of the leptin receptor acts as the BBB leptin transporter and how obesity may transform leptin transport is reviewed. Review of these and other topics summarizes in a new appreciation of what leptin may have actually evolved to do and what physiological role leptin resistance may play. © 2021 American Physiological Society. Compr Physiol 11:1-19, 2021.
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Affiliation(s)
- William A Banks
- Geriatric Research Education and Clinical Center, Veterans Affairs Puget Sound Health Care System, Seattle, Washington, USA.,Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
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Bustamante-Marin XM, Merlino JL, Devericks E, Carson MS, Hursting SD, Stewart DA. Mechanistic Targets and Nutritionally Relevant Intervention Strategies to Break Obesity-Breast Cancer Links. Front Endocrinol (Lausanne) 2021; 12:632284. [PMID: 33815289 PMCID: PMC8011316 DOI: 10.3389/fendo.2021.632284] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 02/17/2021] [Indexed: 12/29/2022] Open
Abstract
The worldwide prevalence of overweight and obesity has tripled since 1975. In the United States, the percentage of adults who are obese exceeds 42.5%. Individuals with obesity often display multiple metabolic perturbations, such as insulin resistance and persistent inflammation, which can suppress the immune system. These alterations in homeostatic mechanisms underlie the clinical parameters of metabolic syndrome, an established risk factor for many cancers, including breast cancer. Within the growth-promoting, proinflammatory milieu of the obese state, crosstalk between adipocytes, immune cells and breast epithelial cells occurs via obesity-associated hormones, angiogenic factors, cytokines, and other mediators that can enhance breast cancer risk and/or progression. This review synthesizes evidence on the biological mechanisms underlying obesity-breast cancer links, with emphasis on emerging mechanism-based interventions in the context of nutrition, using modifiable elements of diet alone or paired with physical activity, to reduce the burden of obesity on breast cancer.
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Affiliation(s)
| | - Jenna L. Merlino
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
| | - Emily Devericks
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
| | - Meredith S. Carson
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
| | - Stephen D. Hursting
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
- Nutrition Research Institute, University of North Carolina, Kannapolis, NC, United States
| | - Delisha A. Stewart
- Department of Nutrition, University of North Carolina, Chapel Hill, NC, United States
- Nutrition Research Institute, University of North Carolina, Kannapolis, NC, United States
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6
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Roche HM. Metabolism and Inflammation: New Synergies and Insights. Mol Nutr Food Res 2021; 65:e2000994. [PMID: 33421313 DOI: 10.1002/mnfr.202000994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Indexed: 11/12/2022]
Affiliation(s)
- Helen M Roche
- School of Public Health, Physiotherapy and Sport Science, UCD Conway Institute, UCD Institute of Food and Health. University College Dublin (UCD), Dublin, Ireland.,Institute for Global Food Security, Queen's University Belfast, UK
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Sandhaus S, Swick AG. Specialized proresolving mediators in infection and lung injury. Biofactors 2021; 47:6-18. [PMID: 33249673 PMCID: PMC7744833 DOI: 10.1002/biof.1691] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 10/08/2020] [Accepted: 10/12/2020] [Indexed: 12/11/2022]
Abstract
Specialized proresolving mediators (SPMs) are endogenous lipid metabolites of long-chain polyunsaturated fatty acids that are involved in promoting the resolution of inflammation. Many disease conditions characterized by excessive inflammation have impaired or altered SPM biosynthesis, which may lead to chronic, unresolved inflammation. Exogenous administration of SPMs in infectious conditions has been shown to be effective at improving infection clearance and survival in preclinical models. SPMs have also shown tremendous promise in the context of inflammatory lung conditions, such as acute respiratory distress syndrome and chronic obstructive pulmonary disease, mostly in preclinical settings. To date, SPMs have not been studied in the context of the novel Coronavirus, severe acute respiratory syndrome Coronavirus-2 (SARS-CoV-2), however their preclinical efficacy in combatting infections and improving acute respiratory distress suggest they may be a valuable resource in the fight against Coronavirus disease-19 (COVID-19). Overall, while the research on SPMs is still evolving, they may offer a novel therapeutic option for inflammatory conditions.
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MESH Headings
- Anti-Inflammatory Agents/therapeutic use
- COVID-19/metabolism
- COVID-19/pathology
- COVID-19/virology
- Docosahexaenoic Acids/therapeutic use
- Herpes Simplex/drug therapy
- Herpes Simplex/metabolism
- Herpes Simplex/pathology
- Humans
- Influenza, Human/drug therapy
- Influenza, Human/metabolism
- Influenza, Human/pathology
- Lipoxins/therapeutic use
- Lung/drug effects
- Lung/metabolism
- Lung/pathology
- Lung Injury/drug therapy
- Lung Injury/metabolism
- Lung Injury/pathology
- Lung Injury/virology
- Periodontitis/drug therapy
- Periodontitis/metabolism
- Periodontitis/pathology
- Pulmonary Disease, Chronic Obstructive/drug therapy
- Pulmonary Disease, Chronic Obstructive/metabolism
- Pulmonary Disease, Chronic Obstructive/pathology
- Pulmonary Disease, Chronic Obstructive/virology
- Respiratory Distress Syndrome/drug therapy
- Respiratory Distress Syndrome/metabolism
- Respiratory Distress Syndrome/pathology
- Respiratory Distress Syndrome/virology
- SARS-CoV-2/pathogenicity
- Sepsis/drug therapy
- Sepsis/metabolism
- Sepsis/pathology
- Tuberculosis, Pulmonary/drug therapy
- Tuberculosis, Pulmonary/metabolism
- Tuberculosis, Pulmonary/pathology
- COVID-19 Drug Treatment
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Regidor PA, Mueller A, Sailer M, Gonzalez Santos F, Rizo JM, Moreno Egea F. Chronic Inflammation in PCOS: The Potential Benefits of Specialized Pro-Resolving Lipid Mediators (SPMs) in the Improvement of the Resolutive Response. Int J Mol Sci 2020; 22:ijms22010384. [PMID: 33396555 PMCID: PMC7795660 DOI: 10.3390/ijms22010384] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/04/2020] [Accepted: 12/10/2020] [Indexed: 12/13/2022] Open
Abstract
PCOS as the most common endocrine disorder of women in their reproductive age affects between 5–15% of the female population. Apart from its cardinal symptoms, like irregular and anovulatory cycles, hyperandrogenemia and a typical ultrasound feature of the ovary, obesity, and insulin resistance are often associated with the disease. Furthermore, PCOS represents a status of chronic inflammation with permanently elevated levels of inflammatory markers including IL-6 and IL-18, TNF-α, and CRP. Inflammation, as discovered only recently, consists of two processes occurring concomitantly: active initiation, involving “classical” mediators including prostaglandins and leukotrienes, and active resolution processes based on the action of so-called specialized pro-resolving mediators (SPMs). These novel lipid mediator molecules derive from the essential ω3-poly-unsaturated fatty acids (PUFAs) DHA and EPA and are synthesized via specific intermediates. The role and benefits of SPMs in chronic inflammatory diseases like obesity, atherosclerosis, and Diabetes mellitus has become a subject of intense research during the last years and since PCOS features several of these pathologies, this review aims at summarizing potential roles of SPMs in this disease and their putative use as novel therapeutics.
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Affiliation(s)
| | - Anna Mueller
- Exeltis Germany GmbH, Adalperostr. 84, 85737 Ismaning, Germany; (A.M.); (M.S.)
| | - Manuela Sailer
- Exeltis Germany GmbH, Adalperostr. 84, 85737 Ismaning, Germany; (A.M.); (M.S.)
| | | | | | - Fernando Moreno Egea
- Solutex SA. Avenida de la Transición Española 24, 28108 Alcobendas, Spain; (F.G.S.); (F.M.E.)
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Kimura T, Namkoong H. Susceptibility of the obese population to COVID-19. Int J Infect Dis 2020; 101:380-381. [PMID: 33045426 PMCID: PMC7546690 DOI: 10.1016/j.ijid.2020.10.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/05/2020] [Accepted: 10/06/2020] [Indexed: 01/08/2023] Open
Abstract
Obesity is a risk factor for disease severity in individuals with coronavirus disease (COVID-19). However, the increased susceptibility of this population to COVID-19 is unclear. We outline several underlying mechanisms that may explain the relationship between obesity and COVID-19 severity. Obesity has an adverse effect on respiratory physiology because increased intra-abdominal adipose tissue can interfere with lung expansion, resulting in reduced lung compliance. Further, fat accumulation in the soft tissue of the pharynx can increase inspiratory resistance, and obesity may be associated with sleep apnea. Obesity is associated with several defects in cell-mediated immunity, including increased levels of pro-inflammatory cytokines. Impaired adipocyte-mediated immune function results in chronically high leptin levels, low adiponectin levels, and anti-inflammatory adipokines. Reduced physical activity can impair several steps of the immune response to viruses. Obesity also promotes a hypercoagulable state, leading to severe consequences. These factors may synergistically play a role in promoting the severity of the disease in obese individuals. A better understanding of the mechanisms by which obesity contributes to the severity of COVID-19 is important for developing more effective treatments.
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Affiliation(s)
- Takefumi Kimura
- Molecular Signaling Section, Laboratory of Bioorganic Chemistry, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA; Department of Internal Medicine, Division of Gastroenterology, Shinshu University School of Medicine, Matsumoto, Japan
| | - Ho Namkoong
- Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
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Popkin BM, Du S, Green WD, Beck MA, Algaith T, Herbst CH, Alsukait RF, Alluhidan M, Alazemi N, Shekar M. Individuals with obesity and COVID-19: A global perspective on the epidemiology and biological relationships. Obes Rev 2020; 21:e13128. [PMID: 32845580 PMCID: PMC7461480 DOI: 10.1111/obr.13128] [Citation(s) in RCA: 681] [Impact Index Per Article: 170.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/23/2020] [Accepted: 07/30/2020] [Indexed: 12/11/2022]
Abstract
The linkage of individuals with obesity and COVID-19 is controversial and lacks systematic reviews. After a systematic search of the Chinese and English language literature on COVID-19, 75 studies were used to conduct a series of meta-analyses on the relationship of individuals with obesity-COVID-19 over the full spectrum from risk to mortality. A systematic review of the mechanistic pathways for COVID-19 and individuals with obesity is presented. Pooled analysis show individuals with obesity were more at risk for COVID-19 positive, >46.0% higher (OR = 1.46; 95% CI, 1.30-1.65; p < 0.0001); for hospitalization, 113% higher (OR = 2.13; 95% CI, 1.74-2.60; p < 0.0001); for ICU admission, 74% higher (OR = 1.74; 95% CI, 1.46-2.08); and for mortality, 48% increase in deaths (OR = 1.48; 95% CI, 1.22-1.80; p < 0.001). Mechanistic pathways for individuals with obesity are presented in depth for factors linked with COVID-19 risk, severity and their potential for diminished therapeutic and prophylactic treatments among these individuals. Individuals with obesity are linked with large significant increases in morbidity and mortality from COVID-19. There are many mechanisms that jointly explain this impact. A major concern is that vaccines will be less effective for the individuals with obesity.
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Affiliation(s)
- Barry M. Popkin
- Health, Nutrition and Population Global PracticeThe World BankWashington, D.C.USA
- Department of Nutrition, Gillings School of Global Public HealthUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
- Carolina Population CenterUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - Shufa Du
- Department of Nutrition, Gillings School of Global Public HealthUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - William D. Green
- Department of Nutrition, Gillings School of Global Public HealthUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | - Melinda A. Beck
- Department of Nutrition, Gillings School of Global Public HealthUniversity of North Carolina at Chapel HillChapel HillNorth CarolinaUSA
| | | | | | - Reem F. Alsukait
- Health, Nutrition and Population Global PracticeThe World BankWashington, D.C.USA
- Community Health SciencesKing Saud UniversityRiyadhKingdom of Saudi Arabia
| | | | | | - Meera Shekar
- Health, Nutrition and Population Global PracticeThe World BankWashington, D.C.USA
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