Livingstone, K.M. (Katherine M.)
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- Association between diet-quality scores, adiposity, total cholesterol and markers of nutritional status in European adults: findings from the Food4Me study(MDPI AG, 2018) Martinez, J.A. (José Alfredo); Saris, W.H.M. (Wim H. M.); Mathers, J.C. (John C.); Gibney, M.J. (M.J.); Livingstone, K.M. (Katherine M.); San-Cristobal, R. (Rodrigo); Daniel, H. (Hannelore); Drevon, C.A (Christian A); Brennan, L. (Lorraine); Gundersen, T.E. (Thomas E); Bouwman, J. (Jildau); Jarosz, M. (Miroslaw); Gibney, E.R. (Eileen R.); Fallaize, R. (Rosalind); Celis-Morales, C. (Carlos); Marsaux, C.F.M. (Cyril F. M.); O’Donovan, C.B. (Clare B.); Navas-Carretero, S. (Santiago); Kolossa, S. (Silvia); Moschonis, G. (George); Walsh, M. (Marianne); Macready, A.L. (Anna L.); Lovegrove, J. A. (Julie A.); Manios, Y. (Yannis)Diet-quality scores (DQS), which are developed across the globe, are used to define adherence to specific eating patterns and have been associated with risk of coronary heart disease and type-II diabetes. We explored the association between five diet-quality scores (Healthy Eating Index, HEI; Alternate Healthy Eating Index, AHEI; MedDietScore, MDS; PREDIMED Mediterranean Diet Score, P-MDS; Dutch Healthy Diet-Index, DHDI) and markers of metabolic health (anthropometry, objective physical activity levels (PAL), and dried blood spot total cholesterol (TC), total carotenoids, and omega-3 index) in the Food4Me cohort, using regression analysis. Dietary intake was assessed using a validated Food Frequency Questionnaire. Participants (n = 1480) were adults recruited from seven European Union (EU) countries. Overall, women had higher HEI and AHEI than men (p < 0.05), and scores varied significantly between countries. For all DQS, higher scores were associated with lower body mass index, lower waist-to-height ratio and waist circumference, and higher total carotenoids and omega-3-index (p trends < 0.05). Higher HEI, AHEI, DHDI, and P-MDS scores were associated with increased daily PAL, moderate and vigorous activity, and reduced sedentary behaviour (p trend < 0.05). We observed no association between DQS and TC. To conclude, higher DQS, which reflect better dietary patterns, were associated with markers of better nutritional status and metabolic health.
- Mediterranean Diet Adherence and Genetic Background Roles within a Web-Based Nutritional Intervention: The Food4Me Study(2017) Martinez, J.A. (José Alfredo); Grimaldi, K. (Keith); Saris, W.H.M. (Wim H. M.); Mathers, J.C. (John C.); Gibney, M.J. (M.J.); Livingstone, K.M. (Katherine M.); San-Cristobal, R. (Rodrigo); Lambrinou, C.P. (Christina Paulina); Daniel, H. (Hannelore); Drevon, C.A (Christian A); Brennan, L. (Lorraine); Gundersen, T.E. (Thomas E); Bouwman, J. (Jildau); Jarosz, M. (Miroslaw); Gibney, E.R. (Eileen R.); Fallaize, R. (Rosalind); Celis-Morales, C. (Carlos); Marsaux, C.F.M. (Cyril F. M.); Parnell, L.D. (Laurence D); Navas-Carretero, S. (Santiago); Moschonis, G. (George); Van Ommen, B. (Ben); Macready, A.L. (Anna L.); Lovegrove, J. A. (Julie A.); Manios, Y. (Yannis)Mediterranean Diet (MedDiet) adherence has been proven to produce numerous health benefits. In addition, nutrigenetic studies have explained some individual variations in the response to specific dietary patterns. The present research aimed to explore associations and potential interactions between MedDiet adherence and genetic background throughout the Food4Me web-based nutritional intervention. Dietary, anthropometrical and biochemical data from volunteers of the Food4Me study were collected at baseline and after 6 months. Several genetic variants related to metabolic risk features were also analysed. A Genetic Risk Score (GRS) was derived from risk alleles and a Mediterranean Diet Score (MDS), based on validated food intake data, was estimated. At baseline, there were no interactions between GRS and MDS categories for metabolic traits. Linear mixed model repeated measures analyses showed a significantly greater decrease in total cholesterol in participants with a low GRS after a 6-month period, compared to those with a high GRS. Meanwhile, a high baseline MDS was associated with greater decreases in Body Mass Index (BMI), waist circumference and glucose. There also was a significant interaction between GRS and the MedDiet after the follow-up period. Among subjects with a high GRS, those with a high MDS evidenced a highly significant reduction in total carotenoids, while among those with a low GRS, there was no difference associated with MDS levels. These results suggest that a higher MedDiet adherence induces beneficial effects on metabolic outcomes, which can be affected by the genetic background in some specific markers.
- FTO genotype and weight loss: systematic review and meta-analysis of 9563 individual participant data from eight randomised controlled trials(BMJ, 2016) Martinez, J.A. (José Alfredo); Tuomilehto, J. (Jaakko); Martinez-Gonzalez, M.A. (Miguel Ángel); Rankinen, T. (Tuomo); Saris, W.H.M. (Wim H. M.); Sui, X. (Xuemei); Mathers, J.C. (John C.); Jääskeläinen, T. (Tiina); Uusitupa, M. (Matti); Bray, G.A. (George A.); Svendstrup, M. (Mathilde); Livingstone, K.M. (Katherine M.); Florez, J.C. (Jose C.); Lara, J. (Jose); Erar, B. (Bahar); Sørensen, T.I.A (Thorkild I. A.); Huang, T. (Tao); Hansen, T. (Torben); Church, T.S. (Timothy S.); Jablonski, K.A. (Kathleen A.); Sacks, F.M. (Frank M.); Razquin, C. (Cristina); Astrup, A. (Arne); Celis-Morales, C. (Carlos); Papandonatos, G.D. (George D.); Lindström, J. (Jaana); Qi, L. (Lu); Heianza, Y. (Yoriko); Pedersen, O. (Oluf); Franks, P.W. (Paul W.); Marti-del-Moral, A. (Amelia); McCaffery, J.M. (Jeanne M.)Objective To assess the effect of the FTO genotype on weight loss after dietary, physical activity, or drug based interventions in randomised controlled trials. Design Systematic review and random effects meta-analysis of individual participant data from randomised controlled trials. Data sources Ovid Medline, Scopus, Embase, and Cochrane from inception to November 2015. Eligibility criteria for study selection Randomised controlled trials in overweight or obese adults reporting reduction in body mass index, body weight, or waist circumference by FTO genotype (rs9939609 or a proxy) after dietary, physical activity, or drug based interventions. Gene by treatment interaction models were fitted to individual participant data from all studies included in this review, using allele dose coding for genetic effects and a common set of covariates. Study level interactions were combined using random effect models. Metaregression and subgroup analysis were used to assess sources of study heterogeneity. Results We identified eight eligible randomised controlled trials for the systematic review and meta-analysis (n=9563). Overall, differential changes in body mass index, body weight, and waist circumference in response to weight loss intervention were not significantly different between FTO genotypes. Sensitivity analyses indicated that differential changes in body mass index, body weight, and waist circumference by FTO genotype did not differ by intervention type, intervention length, ethnicity, sample size, sex, and baseline body mass index and age category. Conclusions We have observed that carriage of the FTO minor allele was not associated with differential change in adiposity after weight loss interventions. These findings show that individuals carrying the minor allele respond equally well to dietary, physical activity, or drug based weight loss interventions and thus genetic predisposition to obesity associated with the FTO minor allele can be at least partly counteracted through such interventions. Systematic review registration PROSPERO CRD42015015969.