Inflammation Mediators Regulate the Microbiota Resistance to Adverse Factors

We studied the effects of IL-1β, IL-8, TNFα, and prostaglandin E2α in concentrations typically observed in health and during inflammation on the growth of vaginal microbiota and its resistance to factors inhibiting the synthesis of proteins, nucleic acids, and peptidoglycans. An increase in the cytokine levels, characteristic of inflammation, inhibits the growth of Lactobacillus population and improves its resistance to adverse factors. The growth of the population of opportunistic microorganisms (S. aureus, E. coli) is stimulated under these conditions, while their resistance to adverse factors decreases. Hence, it seems that the cytokines regulate the behavior of the host cells and of its bacterial symbionts.

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Correspondence to A. V. Sgibnev.

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Translated from Byulleten’ Eksperimental’noi Biologii i Meditsiny, Vol. 170, No. 7, pp. 61-65, July, 2020

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Sgibnev, A.V., Kremleva, E.A. Inflammation Mediators Regulate the Microbiota Resistance to Adverse Factors. Bull Exp Biol Med 170, 49–52 (2020).

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Key Words

  • inflammation
  • lactobacilli
  • interspecies communication
  • resistance
  • cytokines