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Increased species richness in the oral microbiome by a 13-week protein and combined lifestyle intervention in older adults with obesity and type 2 diabetes

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Increased species richness in the oral microbiome by a 13-week protein and combined lifestyle intervention in older adults with obesity and type 2 diabetes

Open access

Samenvatting

Rationale: While combined lifestyle interventions have multiple health benefits, their impact on the oral microbiome is not known. We explored the effects of a lifestyle intervention including protein drink on the oral microbiome in older adults with obesity and type 2 diabetes (T2D). Methods: In a post-hoc analysis of the PROBE study, 87 subjects (66.5±6.1 years, 33% female) with tongue dorsum samples at baseline and week 13 were included. All subjects participated in a 13-week lifestyle intervention with exercise (3x/week) and hypocaloric diet (-600 kcal/day), and had been randomized to receive a test product (21g whey protein enriched with leucine and vitamin D) or isocaloric control (0g protein) 10x/week. T2D was subtyped as muscle insulin resistance (MIR, n=34) or no-MIR (n=36) based on available muscle insulin sensitivity index. Microbiome was analysed by V4 16s rDNA sequencing. Diversity, measured as species richness and Shannon diversity index, was statistically analysed with paired (within group) and independent (between groups) samples t-test. Results: displayed below. Conclusion: Consuming a whey protein drink enriched with leucine and vitamin D during a combined lifestyle intervention increased species richness of the oral microbiome in obese T2D subjects with muscle insulin resistance.

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OrganisatieHogeschool van Amsterdam
Gepubliceerd inClinical Nutrition ESPEN Elsevier Ltd., Vol. 46, Pagina's: 667-667
Datum2021-12
TypeArtikel
DOI10.1016/j.clnesp.2021.09.351
TaalEngels

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