JPEN. Journal of parenteral and enteral nutrition · 2020
Impact of Clinical Factors on the Intestinal Microbiome in Infants With Gastroschisis.
СтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Wu Allison J, Lee David J, Li Fan, Tobin Nicole H, Aldrovandi Grace M, Shew Stephen B, Calkins Kara L
Аннотация
BACKGROUND: Infants with gastroschisis require operations and lengthy hospitalizations due to intestinal dysmotility. Dysbiosis may contribute to these problems. Little is known on the microbiome of gastroschisis infants.
METHODS: The purpose of this study was to investigate the fecal microbiome in gastroschisis infants. Microbiome profiling was performed by sequencing the V4 region of the 16S rRNA gene. The microbiome of gastroschisis infants was compared with the microbiome of healthy controls, and the effects of mode of birth delivery, gestational age, antibiotic duration, and nutrition type on microbial composition and diversity were investigated.
RESULTS: The microbiome of gastroschisis infants (n = 13) was less diverse (Chao1, P < .001), lacked Bifidobacterium (P = .001), and had increased Staphylococcus (P = .007) compared with controls (n = 83). Mode of delivery (R2 = 0.04, P = .001), antibiotics duration ≥7 days (R2 = 0.03, P = .003), age at sample collection (R2 = 0.03, P = .009), and gestational age (R2 = 0.02, P = .035) explained a small portion of microbiome variation. In gastroschisis infants, Escherichia-Shigella was the predominate genus, and those delivered via cesarean section had different microbial communities, predominantly Staphylococcus and Streptococcus, from those delivered vaginally. Although antibiotic duration contributed to the variation in microbiome composition, there were no significant differences in taxa distribution or α diversity by antibiotic duration or nutrition type.
CONCLUSION: The microbiome of gastroschisis infants is dysbiotic, and mode of birth delivery, antibiotic duration, and gestational age appear to contribute to microbial variation.
METHODS: The purpose of this study was to investigate the fecal microbiome in gastroschisis infants. Microbiome profiling was performed by sequencing the V4 region of the 16S rRNA gene. The microbiome of gastroschisis infants was compared with the microbiome of healthy controls, and the effects of mode of birth delivery, gestational age, antibiotic duration, and nutrition type on microbial composition and diversity were investigated.
RESULTS: The microbiome of gastroschisis infants (n = 13) was less diverse (Chao1, P < .001), lacked Bifidobacterium (P = .001), and had increased Staphylococcus (P = .007) compared with controls (n = 83). Mode of delivery (R2 = 0.04, P = .001), antibiotics duration ≥7 days (R2 = 0.03, P = .003), age at sample collection (R2 = 0.03, P = .009), and gestational age (R2 = 0.02, P = .035) explained a small portion of microbiome variation. In gastroschisis infants, Escherichia-Shigella was the predominate genus, and those delivered via cesarean section had different microbial communities, predominantly Staphylococcus and Streptococcus, from those delivered vaginally. Although antibiotic duration contributed to the variation in microbiome composition, there were no significant differences in taxa distribution or α diversity by antibiotic duration or nutrition type.
CONCLUSION: The microbiome of gastroschisis infants is dysbiotic, and mode of birth delivery, antibiotic duration, and gestational age appear to contribute to microbial variation.