Vitamin C levels in a Central-African mother-infant cohort: Does hypovitaminosis C increase the risk of enteric infections?
Central-Africa
bacterial carriage
infant malnutrition
pregnant women
vitamin C deficiency
Journal
Maternal & child nutrition
ISSN: 1740-8709
Titre abrégé: Matern Child Nutr
Pays: England
ID NLM: 101201025
Informations de publication
Date de publication:
10 2021
10 2021
Historique:
revised:
05
04
2021
received:
28
11
2020
accepted:
30
04
2021
pubmed:
18
6
2021
medline:
2
10
2021
entrez:
17
6
2021
Statut:
ppublish
Résumé
In the MITICA (Mother-to-Infant TransmIssion of microbiota in Central-Africa) study, 48 mothers and their 50 infants were followed from delivery to 6 months between December 2017 and June 2019 in Bangui (Central-African Republic). Blood tests and stool analyses were performed in mothers at delivery, and their offspring at birth, 11 weeks and 25 weeks. Stool cultures were performed in specific growth media for Salmonella, Shigella, E. coli, Campylobacter, Enerobacter, Vibrio cholerae, Citrobacter and Klebsiella, as well as rotavirus, yeasts and parasitological exams. The median vitamin C levels in mothers at delivery were 15.3 μmol/L (inter-quartile-range [IQR] 6.2-27.8 μmol/L). In infants, the median vitamin C levels at birth were 35.2 μmol/L (IQR 16.5-63.9 μmol/L). At 11 and 25 weeks, the median vitamin C levels were 41.5 μmol/L (IQR 18.7-71.6 μmol/L) and 18.2 μmol/L (IQR 2.3-46.6 μmol/L), respectively. Hypovitaminosis C was defined as seric vitamin C levels <28 μmol/L and vitamin C deficiency was defined as vitamin C levels <11 μmol/L according to the WHO definition. In mothers, the prevalence of hypovitaminosis-C and vitamin C deficiency at delivery was 34/45 (75.6%) and 19/45 (42.2%), respectively. In infants, the prevalence of hypovitaminosis-C and vitamin C deficiency at 6 months was 18/33 (54.6%) and 11/33 (33.3%), respectively. Vitamin C levels in mothers and infants were correlated at birth (Spearman's rho = 0.5; P value = 0.002), and infants had significantly higher levels of vitamin C (median = 35.2 μmol/L; IQR 16.5-63.9 μmol/L), compared to mothers (median = 15.3 μmol/L; IQR 6.2-27.8 μmol/L; P value <0.001). The offspring of vitamin C-deficient mothers had significantly lower vitamin C levels at delivery (median = 18.7 μmol/L; IQR 13.3-30.7 μmol/L), compared to the offspring of non-deficient mothers (median = 62.2 μmol/L; IQR 34.6-89.2 μmol/L; P value <0.001). Infants with hypovitaminosis-C were at significantly higher risk of having a positive stool culture during the first 6 months of life (adjusted OR = 5.3, 95% CI 1.1; 26.1; P value = 0.038).
Identifiants
pubmed: 34137176
doi: 10.1111/mcn.13215
pmc: PMC8476427
doi:
Substances chimiques
Vitamins
0
Ascorbic Acid
PQ6CK8PD0R
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
e13215Subventions
Organisme : LabEx IBEID
ID : ANR-16-COV-005
Organisme : Institut Pasteur Paris
ID : 91-17
Informations de copyright
© 2021 The Authors. Maternal & Child Nutrition published by John Wiley & Sons Ltd.
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