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The impact of Lactobacillus and Bifidobacterium probiotic cocktail on modulation of gene expression of gap junctions dysregulated by intestinal pathogens

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Abstract

Probiotics are special bacterial strains with strain specific impacts. They can affect health condition in intestine by producing organic acid, competing with pathogens and maintaining cells homeostasis. Regarding to importance of cell junctions in cells transportation and the influence of pathogens in their functions which lead to inflammation, the impact of probiotic strains comprised of Lactobacillus and Bifidobacterium strains on two important members of gap junctions (Cx26 and Cx43) were assayed. The expressions of cell junction genes in contact with probiotic cocktail along with pathogenic components of enterotoxigenic Escherichia coli and Salmonella typhimurium on HT-29 cell line in different treatment orders were evaluated. Results analysis demonstrated downregulation of cx26 and cx43 along with pathogenic components while, probiotic cocktail could modulate their expression by upregulation. We concluded that Lactobacillus and Bifidobacterium strains were efficient probiotics, when they were used as one cocktail, impacted grater amount on the expression of cell junctions and this might lead to modulate homeostasis and reveal inflammation symptoms in intestine.

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Acknowledgements

We are sincerely thankful to Dr. Saeideh Najafi, Dr. Amin Sepehr and Dr. Shadi Aghamohammd at Bacteriology Department of Pasteur Institute of Iran for their technical assistance also, Science and Research Branch of Islamic Azad University for their support. This work was supported by Bacteriology Department of Pasteur Institute of Iran [grant number 1694].

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Correspondence to Mohammad Reza Pourshafie or Mahdi Rohani.

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Communicated by Erko Stackebrandt.

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Miri, S.T., Sotoodehnejadnematalahi, F., Amiri, M.M. et al. The impact of Lactobacillus and Bifidobacterium probiotic cocktail on modulation of gene expression of gap junctions dysregulated by intestinal pathogens. Arch Microbiol 204, 417 (2022). https://doi.org/10.1007/s00203-022-03026-1

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  • DOI: https://doi.org/10.1007/s00203-022-03026-1

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