Do Gut Bacteria Play a Role in Preventing or Treating Eczema?
A new study has revealed important associations between the gut microbiome and eczema in infancy.
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A new study has revealed important associations between the gut microbiome and eczema in infancy, and has established the basis for the potential prevention and treatment of eczema via modulation of the gut microbiota. The study was published in mSystems, a journal of the American Society for Microbiology.
“The problem of eczema is increasing, and our study shows it could be a result of unwanted changes in the gut bacterial content. The first year of life could be a critical period to restore the gut bacteria to a more desirable composition,” said the study’s principal investigator Paul Chan, M.D., a professor of microbiology at The Chinese University of Hong Kong, Hong Kong Special Administrative Region, China.
In the new study, Chan and colleagues invited pregnant women who were close to term to participate in the research. They collected their information on health, lifestyle and events during pregnancy and delivery. After delivery, the researchers visited the women and collected information on their babies’ diet, health and medication. The researchers arranged follow-up clinics to check the babies’ health conditions and any eczema problems. The researchers characterized the development and determinants of the gut microbiome in a cohort of 112 term Chinese children by sequencing 713 stool samples, collected at 9 time points from birth to 3 years of age, using 16S rRNA gene sequencing.
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Subscribe for FREE“Our study found that the gut bacterial content of babies changes drastically over the first 3 years of life,” said Chan. “The mode of delivery and feeding, and the use of antibiotics around the time of delivery, affects the gut bacterial content. We observed characteristic changes in the gut bacterial content before the babies present with eczema. Remarkably, those bacterial changes were also observed in babies delivered by C-section. Nevertheless, the link between C-section and eczema requires further studies to verify. Gut bacteria may play a role in preventing or treating eczema.”
Reference: Cheung Man Kit, Leung Ting Fan, Tam Wing Hung, et al. Development of the early-life gut microbiome and associations with eczema in a prospective Chinese cohort. mSystems. 2023;0(0):e00521-23. doi: 10.1128/msystems.00521-23
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