Gut microbiota and overweight in 3-year old children.


Journal

International journal of obesity (2005)
ISSN: 1476-5497
Titre abrégé: Int J Obes (Lond)
Pays: England
ID NLM: 101256108

Informations de publication

Date de publication:
04 2019
Historique:
received: 16 03 2018
accepted: 30 11 2018
revised: 31 10 2018
pubmed: 21 12 2018
medline: 12 3 2020
entrez: 21 12 2018
Statut: ppublish

Résumé

The gut microbiota has been associated with overweight and obesity in adults, but the evidence in children is limited. Our aim was to study whether composition of the gut microbiota at the age of 3 years is associated with overweight/obesity in children cross-sectionally. Children, who participated in a clinical trial of prenatal vitamin-D supplementation (VDAART), underwent standardized height and weight measurements, and collection of stool samples at 3 years of age. 16 S rRNA sequencing (V4 region) of the stool samples were performed with Illumina MiSeq. Associations between microbiota and overweight/obesity (body mass index z-scores >85th percentile) was analyzed using logistic regression. Out of 502 children, 146 (29%) were categorized as overweight/obese. Maternal pre-pregnancy BMI, birth weight and length, formula feeding during the first year, high frequency of fast food consumption, and time watching TV or computer screen at 3 years were the risk factors for overweight/obesity. Of the top 20 most abundant genera, high relative abundance of Parabacteroidetes (Bacteroidetes; Bacteroidales) (aOR(95% CI): 0.69 (0.53, 0.90, p = 0.007) per interquartile increase) and unassigned genus within Peptostreptococcae family were inversely associated with overweight/obesity, whereas high relative abundance of Dorea (Firmicutes;Clostridiales) (1.23 (1.05, 1.43, p = 0.009)) was positively associated. Associations were independent of each other. No associations were found between diversity indices and overweight/obesity. Our data suggest that some of the differences in gut composition of bacteria between obese and non-obese adults can already be observed in 3-year old children. Longitudinal studies will be needed to determine long-term effects.

Sections du résumé

BACKGROUND
The gut microbiota has been associated with overweight and obesity in adults, but the evidence in children is limited. Our aim was to study whether composition of the gut microbiota at the age of 3 years is associated with overweight/obesity in children cross-sectionally.
METHODS
Children, who participated in a clinical trial of prenatal vitamin-D supplementation (VDAART), underwent standardized height and weight measurements, and collection of stool samples at 3 years of age. 16 S rRNA sequencing (V4 region) of the stool samples were performed with Illumina MiSeq. Associations between microbiota and overweight/obesity (body mass index z-scores >85th percentile) was analyzed using logistic regression.
RESULTS
Out of 502 children, 146 (29%) were categorized as overweight/obese. Maternal pre-pregnancy BMI, birth weight and length, formula feeding during the first year, high frequency of fast food consumption, and time watching TV or computer screen at 3 years were the risk factors for overweight/obesity. Of the top 20 most abundant genera, high relative abundance of Parabacteroidetes (Bacteroidetes; Bacteroidales) (aOR(95% CI): 0.69 (0.53, 0.90, p = 0.007) per interquartile increase) and unassigned genus within Peptostreptococcae family were inversely associated with overweight/obesity, whereas high relative abundance of Dorea (Firmicutes;Clostridiales) (1.23 (1.05, 1.43, p = 0.009)) was positively associated. Associations were independent of each other. No associations were found between diversity indices and overweight/obesity.
CONCLUSIONS
Our data suggest that some of the differences in gut composition of bacteria between obese and non-obese adults can already be observed in 3-year old children. Longitudinal studies will be needed to determine long-term effects.

Identifiants

pubmed: 30568265
doi: 10.1038/s41366-018-0290-z
pii: 10.1038/s41366-018-0290-z
pmc: PMC6457121
mid: NIHMS1515784
doi:

Types de publication

Journal Article Research Support, N.I.H., Extramural Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

713-723

Subventions

Organisme : NHLBI NIH HHS
ID : U01 HL091528
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL091528
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL091075
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL108818
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL101390
Pays : United States
Organisme : NIH HHS
ID : UH3 OD023268
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR001430
Pays : United States

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Auteurs

Anne M Karvonen (AM)

Department of Health Security, National Institute for Health and Welfare, Kuopio, Finland. anne.karvonen@thl.fi.
Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA. anne.karvonen@thl.fi.

Joanne E Sordillo (JE)

Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA.

Diane R Gold (DR)

Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.

Leonard B Bacharier (LB)

Division of Pediatric Allergy, Immunology and Pulmonary Medicine, Department of Pediatrics, Washington University School of Medicine and St. Louis Children's Hospital, St. Louis, MO, USA.

George T O'Connor (GT)

Pulmonary Center, Department of Medicine, Boston University School of Medicine, Boston, MA, USA.

Robert S Zeiger (RS)

Department of Allergy and Department of Research and Evaluation, Kaiser Permanente Southern California, San Diego and Pasadena, San Diego, CA, USA.

Avraham Beigelman (A)

Division of Pediatric Allergy, Immunology and Pulmonary Medicine, Department of Pediatrics, Washington University School of Medicine and St. Louis Children's Hospital, St. Louis, MO, USA.

Scott T Weiss (ST)

Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.

Augusto A Litonjua (AA)

Division of Pediatric Pulmonary Medicine, Department of Pediatrics, Golisano Children's Hospital at Strong, University of Rochester Medical Center, Rochester, New York, NY, USA.

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Classifications MeSH