Model of personalized postprandial glycemic response to food developed for an Israeli cohort predicts responses in Midwestern American individuals

Helena Mendes-Soares, Tali Raveh-Sadka, Shahar Azulay, Yatir Ben-Shlomo, Yossi Cohen, Tal Ofek, Josh Stevens, Davidi Bachrach, Purna C Kashyap, Lihi Segal, Heidi Nelson

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Background: Controlled glycemic concentrations are associated with a lower risk of conditions such as cardiovascular disease and diabetes. Models commonly used to guide interventions to control the glycemic response to food have low efficacy, with recent clinical guidelines arguing for the use of personalized approaches. Objective: We tested the efficacy of a predictive model of personalized postprandial glycemic response to foods that was developed with an Israeli cohort and that takes into consideration food components and specific features, including the microbiome, when applied to individuals from the Midwestern US. Design: We recruited 327 individuals for this study. Participants provided information regarding lifestyle, dietary habits, and health, as well as a stool sample for characterization of their gut microbiome. Participants were connected to continuous glucose monitors for 6 d, and the glycemic response to meals logged during this time was computed. The ability of a model trained using meals logged by the Israeli cohort to correctly predict glycemic responses in the Midwestern cohort was assessed and compared with that of a model trained using meals logged by both cohorts. Results: When trained on the Israeli cohort meals only, model performance for predicting responses of individuals in the Midwestern cohort was better (R = 0.596) than that observed for models taking into consideration the carbohydrate (R = 0.395) or calorie content of the meals alone (R = 0.336). Performance increased (R = 0.618) when the model was trained on meals from both cohorts, likely because of the observed differences in age distribution, diet, and microbiome. Conclusions: We show that the modeling framework described in Zeevi et al. for an Israeli cohort is applicable to a Midwestern population, and outperforms commonly used approaches for the control of blood glucose responses. The adaptation of the model to the Midwestern cohort further enhances performance and is a promising means for designing effective nutritional interventions to control glycemic responses to foods. This trial was registered at clinicaltrials. gov as NCT02945514.

Original languageEnglish (US)
Article numbernzq028
Pages (from-to)63-75
Number of pages13
JournalAmerican Journal of Clinical Nutrition
Volume110
Issue number1
DOIs
StatePublished - Jul 1 2019

Fingerprint

Meals
Food
Microbiota
Aptitude
Age Distribution
Feeding Behavior
Blood Glucose
Life Style
Cardiovascular Diseases
Carbohydrates
Guidelines
Diet
Glucose
Health
Population

Keywords

  • Carbohydrate content
  • Continuous glucose monitors
  • Diabetes
  • Glycemic response
  • Microbiome
  • Personalized nutrition

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Model of personalized postprandial glycemic response to food developed for an Israeli cohort predicts responses in Midwestern American individuals. / Mendes-Soares, Helena; Raveh-Sadka, Tali; Azulay, Shahar; Ben-Shlomo, Yatir; Cohen, Yossi; Ofek, Tal; Stevens, Josh; Bachrach, Davidi; Kashyap, Purna C; Segal, Lihi; Nelson, Heidi.

In: American Journal of Clinical Nutrition, Vol. 110, No. 1, nzq028, 01.07.2019, p. 63-75.

Research output: Contribution to journalArticle

Mendes-Soares, Helena ; Raveh-Sadka, Tali ; Azulay, Shahar ; Ben-Shlomo, Yatir ; Cohen, Yossi ; Ofek, Tal ; Stevens, Josh ; Bachrach, Davidi ; Kashyap, Purna C ; Segal, Lihi ; Nelson, Heidi. / Model of personalized postprandial glycemic response to food developed for an Israeli cohort predicts responses in Midwestern American individuals. In: American Journal of Clinical Nutrition. 2019 ; Vol. 110, No. 1. pp. 63-75.
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