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Macamo ED, Mkhize-Kwitshana ZL, Duma Z, Mthombeni J, Naidoo P. Telomere Length in a South African Population Co-Infected with HIV and Helminths. Curr Issues Mol Biol 2024; 46:6853-6867. [PMID: 39057051 PMCID: PMC11276263 DOI: 10.3390/cimb46070409] [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: 05/23/2024] [Revised: 06/24/2024] [Accepted: 06/29/2024] [Indexed: 07/28/2024] Open
Abstract
Biological ageing refers to the gradual decrease in physiological functions, resulting in immune senescence, cellular damage and apoptosis. Telomere length is a biomarker of biological ageing. Limited studies have associated shorter telomere length with HIV and parasite single infections, with no studies reporting the association of HIV and parasite co-infection with telomere length. The study aimed to investigate whether telomere length shortening is accelerated in a South African population co-infected with HIV and helminths compared to participants singly infected with either HIV or helminths. Additionally, telomere length data were compared with participants' biochemical and full blood count parameters. A total of 200 participants were in groups of uninfected control, HIV single infection, helminth single infection and HIV and helminth co-infection groups. Relative telomere length (RTL) was determined using Real-Time PCR and associated with biochemical and full blood count parameters using multivariate regression analysis models that were adjusted for confounders. The uninfected control group was used as a reference group. The uninfected control group had the highest mean RTL (1.21 ± 0.53) while the HIV-infected (0.96 ± 0.42) and co-infected (0.93 ± 0.41) groups had similar RTLs, and lastly, the helminth-infected group (0.83 ± 0.33) had the lowest RTL (p = 0.0002). When compared to the uninfected control group, a significant association between RTL and biochemical parameters, including blood iron (β = -0.48), ferritin (β = -0.48), transferrin saturation (β = -0.57), transferrin (β = -0.57), phosphate (β = -0.47), vitamin A (β = -0.49) and C-reactive protein (β = -0.52) were noted in the co-infected group (p < 0.05). In addition, a significant association between RTL and full blood count, including (β = -0.47), haematocrit (β = -0.46), mean corpuscular volume (β = -0.47), lymphocytes (β = -0.45), mean corpuscular haemoglobin concentration (β = -0.45), red cell distribution width (β = -0.47), monocytes (β = -0.45), eosinophils (β = -0.45), basophils (β = -0.44) and transferrin saturation (β = -0.57) were also noted in the co-infected group (p < 0.05). Accelerated biological ageing, as indicated by telomere length shortening, is associated with HIV and helminth co-infections.
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Affiliation(s)
- Engelinah D. Macamo
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, Nelson R. Mandela Medical School Campus, University of KwaZulu-Natal, Durban 4001, South Africa; (E.D.M.); (Z.D.)
- Division of Research Capacity Development (RCD), South African Medical Research Council (SAMRC), Tygerberg, Cape Town 7505, South Africa
| | - Zilungile L. Mkhize-Kwitshana
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, Nelson R. Mandela Medical School Campus, University of KwaZulu-Natal, Durban 4001, South Africa; (E.D.M.); (Z.D.)
- Division of Research Capacity Development (RCD), South African Medical Research Council (SAMRC), Tygerberg, Cape Town 7505, South Africa
- Department of Biomedical Sciences, Doorfontein Campus, University of Johannesburg, Johannesburg 2028, South Africa
- Biomedical Sciences Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Florida Campus, Johannesburg 1710, South Africa
| | - Zamathombeni Duma
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, Nelson R. Mandela Medical School Campus, University of KwaZulu-Natal, Durban 4001, South Africa; (E.D.M.); (Z.D.)
- Division of Research Capacity Development (RCD), South African Medical Research Council (SAMRC), Tygerberg, Cape Town 7505, South Africa
| | - Julian Mthombeni
- Department of Biomedical Sciences, Doorfontein Campus, University of Johannesburg, Johannesburg 2028, South Africa
| | - Pragalathan Naidoo
- Department of Medical Microbiology, School of Laboratory Medicine and Medical Sciences, College of Health Sciences, Nelson R. Mandela Medical School Campus, University of KwaZulu-Natal, Durban 4001, South Africa; (E.D.M.); (Z.D.)
- Division of Research Capacity Development (RCD), South African Medical Research Council (SAMRC), Tygerberg, Cape Town 7505, South Africa
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Coltell O, Asensio EM, Sorlí JV, Ortega-Azorín C, Fernández-Carrión R, Pascual EC, Barragán R, González JI, Estruch R, Alzate JF, Pérez-Fidalgo A, Portolés O, Ordovas JM, Corella D. Associations between the New DNA-Methylation-Based Telomere Length Estimator, the Mediterranean Diet and Genetics in a Spanish Population at High Cardiovascular Risk. Antioxidants (Basel) 2023; 12:2004. [PMID: 38001857 PMCID: PMC10669035 DOI: 10.3390/antiox12112004] [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: 10/26/2023] [Revised: 11/10/2023] [Accepted: 11/14/2023] [Indexed: 11/26/2023] Open
Abstract
Biological aging is a relevant risk factor for chronic diseases, and several indicators for measuring this factor have been proposed, with telomere length (TL) among the most studied. Oxidative stress may regulate telomere shortening, which is implicated in the increased risk. Using a novel estimator for TL, we examined whether adherence to the Mediterranean diet (MedDiet), a highly antioxidant-rich dietary pattern, is associated with longer TL. We determined TL using DNA methylation algorithms (DNAmTL) in 414 subjects at high cardiovascular risk from Spain. Adherence to the MedDiet was assessed by a validated score, and genetic variants in candidate genes and at the genome-wide level were analyzed. We observed several significant associations (p < 0.05) between DNAmTL and candidate genes (TERT, TERF2, RTEL1, and DCAF4), contributing to the validity of DNAmTL as a biomarker in this population. Higher adherence to the MedDiet was associated with lower odds of having a shorter TL in the whole sample (OR = 0.93; 95% CI: 0.85-0.99; p = 0.049 after fully multivariate adjustment). Nevertheless, this association was stronger in women than in men. Likewise, in women, we observed a direct association between adherence to the MedDiet score and DNAmTL as a continuous variable (beta = 0.015; SE: 0.005; p = 0.003), indicating that a one-point increase in adherence was related to an average increase of 0.015 ± 0.005 kb in TL. Upon examination of specific dietary items within the global score, we found that fruits, fish, "sofrito", and whole grains exhibited the strongest associations in women. The novel score combining these items was significantly associated in the whole population. In the genome-wide association study (GWAS), we identified ten polymorphisms at the suggestive level of significance (p < 1 × 10-5) for DNAmTL (intergenics, in the IQSEC1, NCAPG2, and ABI3BP genes) and detected some gene-MedDiet modulations on DNAmTL. As this is the first study analyzing the DNAmTL estimator, genetics, and modulation by the MedDiet, more studies are needed to confirm these findings.
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Affiliation(s)
- Oscar Coltell
- Department of Computer Languages and Systems, Universitat Jaume I, 12071 Castellón, Spain
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
| | - Eva M. Asensio
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - José V. Sorlí
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - Carolina Ortega-Azorín
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - Rebeca Fernández-Carrión
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - Eva C. Pascual
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - Rocío Barragán
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - José I. González
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - Ramon Estruch
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Internal Medicine, Institut d’Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Hospital Clinic, University of Barcelona, 08036 Barcelona, Spain
| | - Juan F. Alzate
- Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad de Antioquia, Medellín 050010, Colombia
- Facultad de Medicina, Centro Nacional de Secuenciación Genómica—CNSG, Sede de Investigación Universitaria—SIU, Universidad de Antioquia, Medellín 050010, Colombia
| | - Alejandro Pérez-Fidalgo
- Department of Medical Oncology, University Clinic Hospital of Valencia, 46010 Valencia, Spain; (A.P.-F.)
- Biomedical Research Networking Centre on Cancer (CIBERONC), Health Institute Carlos III, 28029 Madrid, Spain
- INCLIVA Biomedical Research Institute, 46010 Valencia, Spain
| | - Olga Portolés
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
| | - Jose M. Ordovas
- Department of Medical Oncology, University Clinic Hospital of Valencia, 46010 Valencia, Spain; (A.P.-F.)
- Nutrition and Genomics, JM-USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
- Nutritional Control of the Epigenome Group, Precision Nutrition and Obesity Program, IMDEA Food, UAM + CSIC, 28049 Madrid, Spain
| | - Dolores Corella
- CIBER Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, 28029 Madrid, Spain; (E.M.A.); (C.O.-A.); (J.I.G.); (R.E.)
- Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, 46010 Valencia, Spain
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Khosravaniardakani S, Bokov DO, Mahmudiono T, Hashemi SS, Nikrad N, Rabieemotmaen S, Abbasalizad-Farhangi M. Obesity Accelerates Leukocyte Telomere Length Shortening in Apparently Healthy Adults: A Meta-Analysis. Front Nutr 2022; 9:812846. [PMID: 35719148 PMCID: PMC9199514 DOI: 10.3389/fnut.2022.812846] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 01/20/2022] [Indexed: 01/07/2023] Open
Abstract
Background Shorter telomere length is associated with numerous comorbidities. Several studies have investigated the role of obesity in telomere shortening. In the current systematic review and meta-analysis, we summarized the results of studies that evaluated the association between obesity and telomere length. Methods A systematic search from Scopus, PubMed, Embase, and ProQuest electronic databases up to 19 March 2021 without language restriction was performed and after data extraction and screening, 19 manuscripts were eligible to be included in the final meta-synthesis. Results The highest category of telomere length was associated with an approximate 0.75 kg/m2 reduction in body mass index (BMI; WMD = -0.75 kg/m2; CI = -1.19, -0.31; p < 0.001; I 2 = 99.4%). Moreover, overweight/obese individuals had 0.036 kbp shorter telomere length compared with non-overweight/obese adults (WMD = -0.036; CI = -0.05, -0.02; p = 0.030; I 2 = 100%). According to the results of subgroupings, continent, age, and sample size could be possible sources of heterogeneity. Conclusion From the results, it was clear that obesity was associated with shorter telomere length. Because of the observational design of included studies, the causality inference of results should be done with caution; thus, further longitudinal studies are warranted for better inference of causal association.
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Affiliation(s)
| | - Dmitry Olegovich Bokov
- Institute of Pharmacy, Sechenov First Moscow State Medical University, Moscow, Russia
- Laboratory of Food Chemistry, Federal Research Center of Nutrition, Biotechnology and Food Safety, Moscow, Russia
| | - Trias Mahmudiono
- Department of Nutrition, Faculty of Public Health, Universitas Airlangga, Surabaya, Indonesia
| | - Seyedeh Sedigheh Hashemi
- Department of Nutrition, School of Health and Nutrition, Bushehr University of Medical Sciences, Bushehr, Iran
| | - Negin Nikrad
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shadi Rabieemotmaen
- Department of Biology, East Tehran Branch, Islamic Azad University, Tehran, Iran
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Güneşliol BE, Karaca E, Ağagündüz D, Acar ZA. Association of physical activity and nutrition with telomere length, a marker of cellular aging: A comprehensive review. Crit Rev Food Sci Nutr 2021; 63:674-692. [PMID: 34553645 DOI: 10.1080/10408398.2021.1952402] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
The aging of the population has great social and economic effects because it is characterized by a gradual loss in physiological integrity, resulting in functional decline, thereby loss of ability to move independently. Telomeres, the hallmarks of biological aging, play a protective role in both cell death and aging. Critically short telomeres give rise to a metabolically active cell that is unable to repair damage or divide, thereby leading to aging. Lifestyle factors such as physical activity (PA) and nutrition could be associated with telomere length (TL). Indeed, regular PA and healthy nutrition as integral parts of our lifestyle can slow down telomere shortening, thereby delaying aging. In this context, the present comprehensive review summarizes the data from recent literature on the association of PA and nutrition with TL.
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Affiliation(s)
| | - Esen Karaca
- Department of Nutrition and Dietetics, Izmir Demokrasi University, Izmir, Turkey
| | - Duygu Ağagündüz
- Department of Nutrition and Dietetics, Gazi University, Ankara, Turkey
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Higher adherence to an empirically derived Mediterranean dietary pattern is positively associated with telomere length: the Seguimiento Universidad de Navarra (SUN) project. Br J Nutr 2021; 126:531-540. [PMID: 33143762 DOI: 10.1017/s0007114520004274] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Telomere integrity is influenced by oxidative stress. Also, inflammation-related factors, including nutritional factors, could modulate telomere integrity. The relationship between a posteriori-derived dietary patterns and telomere length (TL) has been scarcely investigated. Thus, our objective was to examine the association between empirically derived dietary patterns ascertained through principal component analysis (PCA) and TL in an older adult Spanish population. A total of 886 older adults (>55 years old; 645 males and 241 females) from the Seguimiento Universidad de Navarra (SUN) cohort were included in the study. TL was measured by monochrome multiplex real-time quantitative PCR. Age-adjusted TL was used for all analyses. Dietary patterns were identified by PCA based on thirty predefined candidate food groups collected from a validated 136-food items frequency questionnaire. Generalised linear models were fitted to obtain β-coefficients and their 95 % CI evaluating differences in TL between each of the four upper quintiles of adherence to dietary patterns and the lowest quintile. Sensitivity analyses by rerunning all multiple linear models under different stratifications were performed to evaluate the robustness of our results. Two major dietary patterns were empirically identified, Western dietary pattern (WDP) and Mediterranean dietary pattern (MDP). After adjustment for potential confounders, longer TL was found among subjects in the highest quintile of MDP (β = 0·064; 95 % CI 0·004, 0·123). The WDP showed no significant association with TL. In conclusion, higher adherence to a posteriori-derived MDP was independently associated with longer telomeres in an older adult Spanish population of the SUN project.
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Minimal changes in telomere length after a 12-week dietary intervention with almonds in mid-age to older, overweight and obese Australians: results of a randomised clinical trial. Br J Nutr 2021; 127:872-884. [PMID: 33971995 DOI: 10.1017/s0007114521001549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Diet is a modifiable risk factor for chronic disease and a potential modulator of telomere length (TL). The study aim was to investigate associations between diet quality and TL in Australian adults after a 12-week dietary intervention with an almond-enriched diet (AED). Participants (overweight/obese, 50-80 years) were randomised to an AED (n 62) or isoenergetic nut-free diet (NFD, n 62) for 12 weeks. Diet quality was assessed using a Dietary Guideline Index (DGI), applied to weighed food records, that consists of ten components reflecting adequacy, variety and quality of core food components and discretionary choices within the diet. TL was measured by quantitative PCR in samples of lymphocytes, neutrophils, and whole blood. There were no significant associations between DGI scores and TL at baseline. Diet quality improved with AED and decreased with NFD after 12 weeks (change from baseline AED + 9·8 %, NFD - 14·3 %; P < 0·001). TL increased in neutrophils (+9·6 bp, P = 0·009) and decreased in whole blood, to a trivial extent (-12·1 bp, P = 0·001), and was unchanged in lymphocytes. Changes did not differ between intervention groups. There were no significant relationships between changes in diet quality scores and changes in lymphocyte, neutrophil or whole blood TL. The inclusion of almonds in the diet improved diet quality scores but had no impact on TL mid-age to older Australian adults. Future studies should investigate the impact of more substantial dietary changes over longer periods of time.
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Nuts and Older Adults' Health: A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18041848. [PMID: 33672861 PMCID: PMC7918786 DOI: 10.3390/ijerph18041848] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 01/31/2021] [Accepted: 02/10/2021] [Indexed: 12/14/2022]
Abstract
Although the beneficial effects of nuts on cardiometabolic diseases have been well established, little is known about the effects of nuts on age-related diseases. Given that age-related diseases share many biological pathways with cardiometabolic diseases, it is plausible that diets rich in nuts might be beneficial in ameliorating age-related conditions. The objective of this review was to summarise the findings from studies that have examined the associations or effects of nut consumption, either alone or as part of the dietary pattern, on three major age-related factors—telomere length, sarcopenia, and cognitive function—in older adults. Overall, the currently available evidence suggests that nut consumption, particularly when consumed as part of a healthy diet or over a prolonged period, is associated with positive outcomes such as longer telomere length, reduced risk of sarcopenia, and better cognition in older adults. Future studies that are interventional, long-term, and adequately powered are required to draw definitive conclusions on the effects of nut consumption on age-related diseases, in order to inform dietary recommendations to incorporate nuts into the habitual diet of older adults.
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Cheng F, Carroll L, Joglekar MV, Januszewski AS, Wong KK, Hardikar AA, Jenkins AJ, Ma RCW. Diabetes, metabolic disease, and telomere length. Lancet Diabetes Endocrinol 2021; 9:117-126. [PMID: 33248477 DOI: 10.1016/s2213-8587(20)30365-x] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 10/01/2020] [Accepted: 10/08/2020] [Indexed: 02/06/2023]
Abstract
Telomeres are regions of repetitive nucleotide sequences at the ends of chromosomes. Telomere length is a marker of DNA damage, which is often considered a biomarker for biological ageing, and has also been linked with cardiovascular disease, diabetes, and cancer. Emerging studies have highlighted the role of genetic and environmental factors, and explored the effect of modulating telomere length. We provide an overview of studies to date on diabetes and telomere length, and compare different methods and assays for evaluating telomere length and telomerase activity. We highlight the limitations of current studies and areas that warrant further research to unravel the link between diabetes and telomere length. The value of adding telomere length to clinical risk factors to improve risk prediction of diabetes and related complications also merits further investigation.
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Affiliation(s)
- Feifei Cheng
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China; Laboratory for Molecular Epidemiology in Diabetes, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Luke Carroll
- NHMRC Clinical Trial Centre, University of Sydney, Sydney, NSW, Australia
| | - Mugdha V Joglekar
- NHMRC Clinical Trial Centre, University of Sydney, Sydney, NSW, Australia; School of Medicine, Western Sydney University, Campbelltown, NSW, Australia
| | | | - Kwun Kiu Wong
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China; Laboratory for Molecular Epidemiology in Diabetes, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China
| | - Anandwardhan A Hardikar
- NHMRC Clinical Trial Centre, University of Sydney, Sydney, NSW, Australia; School of Medicine, Western Sydney University, Campbelltown, NSW, Australia.
| | - Alicia J Jenkins
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China; NHMRC Clinical Trial Centre, University of Sydney, Sydney, NSW, Australia.
| | - Ronald C W Ma
- Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China; Laboratory for Molecular Epidemiology in Diabetes, Li Ka Shing Institute of Health Sciences, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China; Hong Kong Institute of Diabetes and Obesity, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China; Chinese University of Hong Kong-Shanghai Jiao Tong University Joint Research Centre in Diabetes Genomics and Precision Medicine, The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China; NHMRC Clinical Trial Centre, University of Sydney, Sydney, NSW, Australia.
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Nsereko E, Uwase A, Muvunyi CM, Rulisa S, Ntirushwa D, Moreland P, Corwin EJ, Santos N, Lin J, Chen JL, Nzayirambaho M, Wojcicki JM. Association between micronutrients and maternal leukocyte telomere length in early pregnancy in Rwanda. BMC Pregnancy Childbirth 2020; 20:692. [PMID: 33187486 PMCID: PMC7664098 DOI: 10.1186/s12884-020-03330-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 10/09/2020] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Exposure to environmental stressors can lead to shorter leukocyte telomere length and increase the risk of chronic diseases. Preservation of leukocyte telomere length by reducing oxidative stress exposure and reinforcing immunity may be a mechanism by which nutritional factors delay or prevent chronic disease development. METHODS Healthy pregnant women (aged 18-45 years) at 9-15 weeks of gestation living in Gasabo District, Kigali, Rwanda, were recruited from 10 health centers for a prospective, longitudinal study from September to October 2017 to determine possible associations between nutrition health, infectious disease and leukocyte telomere length. Anthropometric and laboratory measurements were performed using standard procedures; sociodemographic parameters and health histories were assessed via surveys, and leukocyte telomere length was assessed using quantitative PCR expressed as the ratio of a telomeric product to a single-copy gene product (T/S). RESULTS Mean gestational age of participants (n = 297) at enrollment was 13.04 ± 3.50 weeks, age was 28.16 ± 6.10 years and leukocyte telomere length was 1.16 ± 0.22 (T/S). Younger age; no schooling vs. primary schooling; and lower levels of ferritin, soluble transferrin receptors and retinol-binding protein were independent predictors of longer telomere length in multivariable models. CONCLUSIONS Leukocyte telomere length is an indicator of biological aging in pregnant Rwandan women. Maternal micronutrient status, specifically lower ferritin, soluble transferrin receptor levels, and retinol-binding protein levels were associated with longer maternal telomere length in contrast with some studies from North America and Europe. There were no associations between inflammation and infectious disease status and maternal leukocyte telomere length. Further studies are needed to enhance our understanding of the interplay between maternal nutritional status and infectious disease in relation to leukocyte telomere length in developing countries.
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Affiliation(s)
- Etienne Nsereko
- College of Medicine and Health Sciences School of Health Sciences, University of Rwanda, P.O. Box: 3538, Kigali, Rwanda.
| | - Aline Uwase
- College of Medicine and Health Sciences School of Health Sciences, University of Rwanda, P.O. Box: 3538, Kigali, Rwanda
| | - Claude Mambo Muvunyi
- College of Medicine and Health Sciences School of Medicine and Pharmacy, University of Rwanda, P.O. Box: 3538, Kigali, Rwanda
| | - Stephen Rulisa
- College of Medicine and Health Sciences School of Medicine and Pharmacy, University of Rwanda, P.O. Box: 3538, Kigali, Rwanda
| | - David Ntirushwa
- College of Medicine and Health Sciences School of Medicine and Pharmacy, University of Rwanda, P.O. Box: 3538, Kigali, Rwanda
| | - Patricia Moreland
- Emory University, Nell Hodgson Woodruff School of Nursing, Atlanta, Georgia, USA
| | | | - Nicole Santos
- University of California San Francisco, Institute for Global Health Sciences, San Francisco, USA
| | - Jue Lin
- Department of Biochemistry and Biophysics, University of California San Francisco, San Francisco, USA
| | - Jyu-Lin Chen
- Departmentof Family Health Care Nursing, University of California San Francisco, San Francisco, USA
| | - Manasse Nzayirambaho
- University of Rwanda College of Medicine and Health Sciences School of Public Health, P.O. Box: 3538, Kigali, Rwanda
| | - Janet M Wojcicki
- Department of Pediatrics, University of California San Francisco, San Francisco, USA.
- Department of Epidemiology and Biostatistics, University of California, 550 16th Street, San Francisco, CA, 941558, USA.
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Ojeda-Rodríguez A, Morell-Azanza L, Zalba G, Zazpe I, Azcona-Sanjulian MC, Marti A. Associations of telomere length with two dietary quality indices after a lifestyle intervention in children with abdominal obesity: a randomized controlled trial. Pediatr Obes 2020; 15:e12661. [PMID: 32558330 DOI: 10.1111/ijpo.12661] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 04/28/2020] [Accepted: 05/04/2020] [Indexed: 01/15/2023]
Abstract
BACKGROUND Dietary factors seem to influence telomere length. Moreover, associations between changes in adiposity indices and telomere length (TL) have been found in intervention studies. OBJECTIVE We evaluated changes in two diet quality indices and their association with TL in children with abdominal obesity in a 12-month lifestyle intervention. METHODS Eighty-seven participants (7-16 years old) were assigned to the intervention (moderate hypocaloric Mediterranean diet) or usual care group (standard paediatric recommendations) for a 2-month intensive phase and a subsequent 10-month follow-up. Diet quality was assessed using the Diet Quality Index for Adolescents (DQI-A) and the Healthy Lifestyle Diet Index (HLD-I). TL was measured by monochrome multiplex real-time quantitative PCR. The intra-class correlation coefficient for TL was 0.793 (95% CI 0.707, 0.857). RESULTS After a 12-month lifestyle intervention, a significant reduction in BMI-SDS (-0.57 and -0.49 for the intervention and usual care groups, respectively) and fat mass was observed in all subjects without differences between groups. Changes in DQI-A (+12.36% vs +5.53%, P = .005) and HLD-I (+4.43 vs +1.09, P < .001) were higher in the intervention subjects compared with usual care subjects after 2 months. Interestingly, we observed a positive change in TL between 2 and 12 months (P = .025), which was associated with higher scores on the DQI-A (β = 0.008, R2 = 0.088, P = .010) and HLD-I (β = 0.022, R2 = 0.198, P = .015), in the intervention group after the 2-month intensive phase. CONCLUSION Favourable changes in diet quality indices could contribute to telomere integrity in children with abdominal obesity enrolled in an intensive lifestyle intervention.
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Affiliation(s)
- Ana Ojeda-Rodríguez
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Lydia Morell-Azanza
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain
| | - Guillermo Zalba
- IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Department of Biochemistry and Genetics, University of Navarra, Pamplona, Spain
| | - Itziar Zazpe
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Department of Preventive Medicine and Public Health, School of Medicine-Clínica Universidad de Navarra, University of Navarra, Pamplona, Spain.,Biomedical Research Centre Network on Obesity and Nutrition (CIBERobn), Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Madrid, Spain
| | - Maria Cristina Azcona-Sanjulian
- IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Pediatric Endocrinology Unit, Department of Pediatrics, Clínica Universidad de Navarra, Pamplona, Spain
| | - Amelia Marti
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, Pamplona, Spain.,IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain.,Biomedical Research Centre Network on Obesity and Nutrition (CIBERobn), Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Madrid, Spain
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11
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Canudas S, Becerra-Tomás N, Hernández-Alonso P, Galié S, Leung C, Crous-Bou M, De Vivo I, Gao Y, Gu Y, Meinilä J, Milte C, García-Calzón S, Marti A, Boccardi V, Ventura-Marra M, Salas-Salvadó J. Mediterranean Diet and Telomere Length: A Systematic Review and Meta-Analysis. Adv Nutr 2020; 11:1544-1554. [PMID: 32730558 PMCID: PMC7666892 DOI: 10.1093/advances/nmaa079] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/09/2020] [Accepted: 06/11/2020] [Indexed: 01/20/2023] Open
Abstract
Accelerated telomere shortening has been associated with several age-related diseases and/or decreased lifespan in humans. The Mediterranean diet (MedDiet) is considered to be 1 of the most recognized diets for disease prevention and healthy aging, partially due to its demonstrated anti-inflammatory and antioxidative properties which may impact on telomere length (TL). The aim of this meta-analysis was to determine the associations between MedDiet adherence and TL maintenance. MEDLINE-PubMed and Cochrane databases were searched up to December 2018 for studies evaluating the association between MedDiet adherence and TL in blood cells. Two reviewers, working independently, screened all titles and abstracts to identify studies that met the inclusion criteria [cross-sectional, case-control, and prospective cohort studies and randomized clinical trials (RCTs) published in English and excluded nonoriginal articles]. Data were pooled by the generic inverse variance method using the random effects model and expressed as standardized mean difference (SMD). Heterogeneity was identified using the Cochran Q test and quantified by the I2 statistic. A total of 8 original cross-sectional studies were included for the quantitative meta-analysis, comprising a total of 13,733 participants from 5 countries. A positive association between adherence to the MedDiet and TL was observed in all meta-analyses, with the exception of those conducted only in men: SMD (95% CI) of 0.130 (0.029; 0.231) for all subjects, 0.078 (0.005; 0.152) for women, and 0.095 (-0.005; 0.195) for men. Only 1 prospective cohort study and 1 RCT were identified, therefore, we could not undertake a meta-analysis for these study designs. The present meta-analysis of cross-sectional studies demonstrates that higher MedDiet adherence is associated with longer TL. At the same time, larger and high-quality prospective studies and clinical trials are warranted to confirm this association.
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Affiliation(s)
| | - Nerea Becerra-Tomás
- Departament of Biochemistry and Biotechnology, Human Nutrition Unit, Universitat Rovira i Virgili. Sant Joan de Reus University Hospital, Reus, Spain,Pere Virgili Institut of Health (IISPV), Reus, Spain,Physiopathology of Obesity and Nutrition Networking Biomedical Research Center (CIBEROBN), Carlos III Health Institute, Madrid, Spain,Department of Preventive Medicine and Public Health, School of Medicine, University of Valencia, Valencia, Spain
| | | | - Serena Galié
- Pere Virgili Institut of Health (IISPV), Reus, Spain,Physiopathology of Obesity and Nutrition Networking Biomedical Research Center (CIBEROBN), Carlos III Health Institute, Madrid, Spain
| | - Cindy Leung
- Department of Nutritional Sciences, School of Public Health, University of Michigan, Ann Arbor, MI, USA
| | - Marta Crous-Bou
- Barcelona Beta Brain Research Center (BBRC), Pasqual Maragall Foundation, Barcelona, Spain,IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA,Frailty and Healthy Ageing Networking Biomedical Researcher Center (CIBERFES), Carlos III Health Institute, Madrid, Spain
| | - Immaculata De Vivo
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA,Channing Division of Network Medicine, Brigham and Women's Hospital - Harvard Medical School, Boston, MA, USA,Radcliffe Institute for Advanced Study, Harvard University, Cambridge, MA, USA
| | - Yawen Gao
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Yian Gu
- The Taub Institute for Research in Alzheimer's Disease and the Aging Brain, Columbia University Medical Center, New York, NY, USA
| | - Jelena Meinilä
- Public Health Research Program, Folkhälsan Research Center, Helsinki, Finland
| | - Catherine Milte
- Institute for Physical Activity and Nutrition (IPAN), School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Sonia García-Calzón
- Epigenetics and Diabetes Unit, Department of Clinical Sciences CRC, Lund University Diabetes Centre, Scania University Hospital, Malmö, Sweden
| | - Amelia Marti
- Physiopathology of Obesity and Nutrition Networking Biomedical Research Center (CIBEROBN), Carlos III Health Institute, Madrid, Spain,Department of Nutrition, Food Science and Physiology, University of Navarra, Pamplona, Spain
| | - Virginia Boccardi
- Department of Internal Medicine, Surgical, Neurological Metabolic Disease and Geriatric Medicine, Second University of Naples, Naples, Italy
| | - Melissa Ventura-Marra
- Division of Animal and Nutritional Sciences, West Virginia University, Morgantown, WV, USA
| | - Jordi Salas-Salvadó
- Departament of Biochemistry and Biotechnology, Human Nutrition Unit, Universitat Rovira i Virgili. Sant Joan de Reus University Hospital, Reus, Spain,Pere Virgili Institut of Health (IISPV), Reus, Spain,Physiopathology of Obesity and Nutrition Networking Biomedical Research Center (CIBEROBN), Carlos III Health Institute, Madrid, Spain
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12
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Speer H, D’Cunha NM, Alexopoulos NI, McKune AJ, Naumovski N. Anthocyanins and Human Health-A Focus on Oxidative Stress, Inflammation and Disease. Antioxidants (Basel) 2020; 9:antiox9050366. [PMID: 32353990 PMCID: PMC7278778 DOI: 10.3390/antiox9050366] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 04/21/2020] [Accepted: 04/27/2020] [Indexed: 11/23/2022] Open
Abstract
Consumption of anthocyanins (ACNs), due to their antioxidant, anti-inflammatory and anti-apoptotic effects, has been proposed for the prevention and treatment of several different diseases and conditions. ACNs are recognized as one of the leading nutraceuticals for prolonging health benefits through the attenuation of oxidative stress, and inflammatory or age-related diseases. Increased consumption of ACNs has the potential to attenuate the damage ensuing from oxidative stress, inflammation, enhance cardiometabolic health, and delay symptoms in predisposed neuropathology. A myriad of evidence supports ACN consumption as complementary or standalone treatment strategies for non-communicable diseases (NCDs) including obesity, diabetes, cardiovascular disease (CVD), neurodegenerative diseases, as well as, more recently, for the modulation of gut bacteria and bone metabolism. While these findings indicate the beneficial effects of ACN consumption, their food sources differ vastly in ACN composition and thus potentially in their physiological effects. Consumption of foods high in ACNs can be recommended for their potential beneficial health effects due to their relatively easy and accessible addition to the everyday diet.
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Affiliation(s)
- Hollie Speer
- Faculty of Health, University of Canberra, Bruce, ACT 2617, Australia; (H.S.); (N.M.D.); (A.J.M.)
- Faculty of Science and Technology, University of Canberra, Bruce, ACT 2617, Australia
- University of Canberra Research Institute for Sport and Exercise (UC-RISE), University of Canberra, Bruce, ACT 2617, Australia
| | - Nathan M. D’Cunha
- Faculty of Health, University of Canberra, Bruce, ACT 2617, Australia; (H.S.); (N.M.D.); (A.J.M.)
| | | | - Andrew J. McKune
- Faculty of Health, University of Canberra, Bruce, ACT 2617, Australia; (H.S.); (N.M.D.); (A.J.M.)
- University of Canberra Research Institute for Sport and Exercise (UC-RISE), University of Canberra, Bruce, ACT 2617, Australia
- Discipline of Biokinetics, Exercise and Leisure Sciences, School of Health Sciences, University of KwaZulu-Natal, Durban, KwaZulu-Natal 4000, South Africa
| | - Nenad Naumovski
- Faculty of Health, University of Canberra, Bruce, ACT 2617, Australia; (H.S.); (N.M.D.); (A.J.M.)
- Correspondence: ; Tel.: +612-6206-8719
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13
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Dietary patterns and telomere length in community-dwelling Chinese older men and women: a cross-sectional analysis. Eur J Nutr 2020; 59:3303-3311. [PMID: 31897598 DOI: 10.1007/s00394-019-02168-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 12/17/2019] [Indexed: 02/07/2023]
Abstract
PURPOSE Environmental and lifestyle factors that affect oxidative stress and inflammation may influence telomere length (TL). There are limited data to relate dietary patterns with TL. This study examined the association of various dietary patterns with TL in Chinese older adults. METHODS We conducted a cross-sectional analysis and performed multivariate linear regression analyses using available data from 1981 (965 men, 1016 women) community-dwelling Chinese adults aged 65 years and over in Hong Kong. The interviewer administered questionnaires that covered dietary intake estimation and dietary pattern generation from the food frequency questionnaire, demographic and lifestyle factors, and self-reported medical history. TL was measured by quantitative real-time polymerase chain reaction. RESULTS None of the dietary pattern scores including the Diet Quality Index-International (DQI-I) score, the Dietary Approaches to Stop Hypertension (DASH) score, the Mediterranean-DASH Intervention for Neurodegenerative Delay Diet (MIND) score, the Mediterranean Diet Score (MDS), the Okinawan diet score, as well as the "vegetables-fruits" pattern score, the "snacks-drinks-milk" pattern score, and the "meat-fish" pattern score were associated with TL in the age- and sex-adjusted model and the multivariate adjusted model. CONCLUSION Our findings suggest a minimal role of dietary patterns in telomere length in community-dwelling Chinese older adults.
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14
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Ojeda-Rodríguez A, Zazpe I, Alonso-Pedrero L, Zalba G, Guillen-Grima F, Martinez-Gonzalez MA, Marti A. Association between diet quality indexes and the risk of short telomeres in an elderly population of the SUN project. Clin Nutr 2019; 39:2487-2494. [PMID: 31767135 DOI: 10.1016/j.clnu.2019.11.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 10/28/2019] [Accepted: 11/04/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Shorter telomeres are associated with several age-related diseases, and lifestyle factors could influence this relationship. The aim of this study was to examine associations between salivary telomere length (TL) and diet quality using 5 evidence-based dietary indexes in an elderly (>55 years old) Spanish population of the SUN project (n = 886). METHOD TL was measured using the quantitative real-time polymerase chain reaction. Age-adjusted TL variable through residuals methods was used for all analysis. Diet quality was assessed by the Prime Diet Quality Score (PDQS), Fat Quality Index (FQI), Mediterranean Diet Adherence Screener (MEDAS), Dietary Approaches to Stop Hypertension (DASH) index and the Alternative Healthy Eating Index (AHEI-2010). RESULTS TL did differ according to sex, smoking status, and dyslipidemia in elderly subjects of the SUN study. In addition, subjects with dyslipidemia (compared to absence of dyslipidemia) had a significantly higher risk (27% vs. 18%, p = 0.015) of short telomeres (<percentile 20th). Interestingly, a lower risk of having short telomeres was observed among participants in the top tertiles of the following diet quality score PDQS, MEDAS and DASH compared to the bottom tertiles in crude and adjusted models. Moreover, FQI and AHEI-2010 scores showed an inverse association with the risk of having short telomeres after adjustment for potential confounders (model adjusted for dyslipidemia interaction, p for trend = 0.025 and 0.021, respectively; and model additionally adjusted for sex and smoking status, p for trend = 0.033 and 0.029, respectively). CONCLUSION Adherence to high quality diet is associated to longer salivary TL in our elderly Spanish population of the SUN study.
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Affiliation(s)
- Ana Ojeda-Rodríguez
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, C/ Irunlarrea, 1, 31008, Pamplona, Spain; IdiSNA, Navarre's Institute for Health Research, C/Irunlarrea, 3, 31008, Pamplona, Spain.
| | - Itziar Zazpe
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, C/ Irunlarrea, 1, 31008, Pamplona, Spain; IdiSNA, Navarre's Institute for Health Research, C/Irunlarrea, 3, 31008, Pamplona, Spain; Department of Preventive Medicine and Public Health, School of Medicine-Clínica Universidad de Navarra, University of Navarra, C/ Irunlarrea, 1, 31008, Pamplona, Spain; Biomedical Research Centre Network on Obesity and Nutrition (CIBERobn), Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain.
| | - Lucía Alonso-Pedrero
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, C/ Irunlarrea, 1, 31008, Pamplona, Spain; IdiSNA, Navarre's Institute for Health Research, C/Irunlarrea, 3, 31008, Pamplona, Spain.
| | - Guillermo Zalba
- IdiSNA, Navarre's Institute for Health Research, C/Irunlarrea, 3, 31008, Pamplona, Spain; Department of Biochemistry and Genetics, University of Navarra, C/ Irunlarrea, 1, 31008, Pamplona, Spain.
| | - Francisco Guillen-Grima
- IdiSNA, Navarre's Institute for Health Research, C/Irunlarrea, 3, 31008, Pamplona, Spain; Department of Health Sciences, Public University of Navarre, Avenida de Barañain, 31008, Pamplona, Spain; Department of Preventive Medicine, University of Navarra Clinic, C/Pío XII, 36, 31008, Pamplona, Spain.
| | - Miguel A Martinez-Gonzalez
- IdiSNA, Navarre's Institute for Health Research, C/Irunlarrea, 3, 31008, Pamplona, Spain; Department of Preventive Medicine and Public Health, School of Medicine-Clínica Universidad de Navarra, University of Navarra, C/ Irunlarrea, 1, 31008, Pamplona, Spain; Biomedical Research Centre Network on Obesity and Nutrition (CIBERobn), Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain; Department of Nutrition, Harvard TH Chan School of Public Health, Boston, USA.
| | - Amelia Marti
- Department of Nutrition, Food Sciences and Physiology, University of Navarra, C/ Irunlarrea, 1, 31008, Pamplona, Spain; IdiSNA, Navarre's Institute for Health Research, C/Irunlarrea, 3, 31008, Pamplona, Spain; Biomedical Research Centre Network on Obesity and Nutrition (CIBERobn), Physiopathology of Obesity and Nutrition, Institute of Health Carlos III, Av. Monforte de Lemos, 3-5, 28029, Madrid, Spain.
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