Possible metabolic interplay between quality of life and fecal microbiota in a presenior population: Preliminary results
Quality of life
Mental health
Health care
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This is an open access article under the CC BY-NC-ND license
de-Cuevillas, B. (Begoña); Riezu-Boj, J.I. (José Ignacio); Abete, I. (Itziar); et al. "Possible metabolic interplay between quality of life and fecal microbiota in a presenior population: Preliminary results". Nutrition. 103-104, 2022, 111841
Objectives: The number of people aged 60 y is increasing worldwide, so establishing a relationship between lifestyle and health-associated factors, such as gut microbiota in an older population, is important. This study aimed to characterize the gut microbiota of a presenior population, and analyze the association between some bacteria and quality of life with the Short Form (SF) 36 questionnaire. Methods: Participants were adult men and women ages 50 to 80 y (n = 74). In addition to the SF-36 question- naire, fecal samples were collected in cryotubes, and 16S RNA gene sequencing was performed to character- ize microbial features. Participants were classified into two groups according to SF-36 punctuation. Linear and logistic regression models were performed to assess the possible association between any bacterial bowl and SF-36 score. Receiver operating characteristics curves were fitted to define the relative diagnostic strength of different bacterial taxa for the correct determination of quality of life. Results: A positive relationship was established between SF-36 score and Actinobacteria (P = 0.0310; R = 0.2510) compared with Peptostreptococcaceae (P = 0.0259; R = 0.2589), which increased with decreasing quality of life. Logistic regressions models and receiver operating characteristics curves showed that the rela- tive abundance of Actinobacteria and Peptostreptococcaceae may be useful to predict quality of life in a prese- nior population (area under the curve: 0.71). Conclusions: Quality of life may be associated with the relative abundance of certain bacteria, especially Acti- nobacteria and Peptostreptococcaceae, which may have a specific effect on certain markers and health care, which is important to improve quality of life in older populations.

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