Lactobacillus acidophilus suppresses intestinal inflammation by inhibiting endoplasmic reticulum stress

Da Hye Kim, Soochan Kim, Jin Ha Lee, Jae Hyeon Kim, Xiumei Che, Hyun Woo Ma, Dong Hyuk Seo, Tae I.I. Kim, Won Ho Kim, Seung Won Kim, JaeHee Cheon

Research output: Contribution to journalArticle

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Abstract

Background and Aim: Nuclear factor kappa B (NF-κB) activation and endoplasmic reticulum (ER) stress signaling play significant roles in the pathogenesis of inflammatory bowel disease (IBD). Thus, we evaluated whether new therapeutic probiotics have anti-colitic effects, and we investigated their mechanisms related to NF-κB and ER-stress pathways. Methods: Luciferase, nitric oxide, and cytokine assays using HT-29 or RAW264.7 cells were conducted. Mouse colitis was induced using dextran sulfate sodium and confirmed by disease activity index and histology. Macrophages and T-cell subsets in isolated peritoneal cavity cells and splenocytes were analyzed by flow cytometry. Gene and cytokine expression profiles were determined using reverse-transcription polymerase chain reaction. Results: Lactobacillus acidophilus (LA1) and Pediococcus pentosaceus inhibited nitric oxide production in RAW264.7 cells, but only LA1 inhibited Tnfa and induced Il10 expression. LA1 increased the lifespan of dextran sulfate sodium-treated mice and attenuated the severity of colitis by inducing M2 macrophages in peritoneal cavity cells and Th2 and Treg cells in splenocytes. The restoration of goblet cells in the colon was accompanied by the induction of Il10 expression and the suppression of pro-inflammatory cytokines. Additionally, we found that LA1 exerts an anti-colitic effect by improving ER stress in HT-29 cells as well as in vivo. Conclusions: We showed that LA1 significantly interferes with ER stress and suppresses NF-κB activation. Our findings suggest that LA1 can be used as a potent immunomodulator in IBD treatment, and the regulation of ER stress may have significant implications in treating IBD.

Original languageEnglish
Pages (from-to)178-185
Number of pages8
JournalJournal of Gastroenterology and Hepatology (Australia)
Volume34
Issue number1
DOIs
Publication statusPublished - 2019 Jan 1

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Lactobacillus acidophilus
Endoplasmic Reticulum Stress
NF-kappa B
Inflammation
Inflammatory Bowel Diseases
Dextran Sulfate
Peritoneal Cavity
Colitis
Cytokines
Interleukin-10
Nitric Oxide
Macrophages
HT29 Cells
Th2 Cells
Goblet Cells
Probiotics
Immunologic Factors
T-Lymphocyte Subsets
Regulatory T-Lymphocytes
Luciferases

All Science Journal Classification (ASJC) codes

  • Hepatology
  • Gastroenterology

Cite this

Kim, Da Hye ; Kim, Soochan ; Lee, Jin Ha ; Kim, Jae Hyeon ; Che, Xiumei ; Ma, Hyun Woo ; Seo, Dong Hyuk ; Kim, Tae I.I. ; Kim, Won Ho ; Kim, Seung Won ; Cheon, JaeHee. / Lactobacillus acidophilus suppresses intestinal inflammation by inhibiting endoplasmic reticulum stress. In: Journal of Gastroenterology and Hepatology (Australia). 2019 ; Vol. 34, No. 1. pp. 178-185.
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abstract = "Background and Aim: Nuclear factor kappa B (NF-κB) activation and endoplasmic reticulum (ER) stress signaling play significant roles in the pathogenesis of inflammatory bowel disease (IBD). Thus, we evaluated whether new therapeutic probiotics have anti-colitic effects, and we investigated their mechanisms related to NF-κB and ER-stress pathways. Methods: Luciferase, nitric oxide, and cytokine assays using HT-29 or RAW264.7 cells were conducted. Mouse colitis was induced using dextran sulfate sodium and confirmed by disease activity index and histology. Macrophages and T-cell subsets in isolated peritoneal cavity cells and splenocytes were analyzed by flow cytometry. Gene and cytokine expression profiles were determined using reverse-transcription polymerase chain reaction. Results: Lactobacillus acidophilus (LA1) and Pediococcus pentosaceus inhibited nitric oxide production in RAW264.7 cells, but only LA1 inhibited Tnfa and induced Il10 expression. LA1 increased the lifespan of dextran sulfate sodium-treated mice and attenuated the severity of colitis by inducing M2 macrophages in peritoneal cavity cells and Th2 and Treg cells in splenocytes. The restoration of goblet cells in the colon was accompanied by the induction of Il10 expression and the suppression of pro-inflammatory cytokines. Additionally, we found that LA1 exerts an anti-colitic effect by improving ER stress in HT-29 cells as well as in vivo. Conclusions: We showed that LA1 significantly interferes with ER stress and suppresses NF-κB activation. Our findings suggest that LA1 can be used as a potent immunomodulator in IBD treatment, and the regulation of ER stress may have significant implications in treating IBD.",
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Lactobacillus acidophilus suppresses intestinal inflammation by inhibiting endoplasmic reticulum stress. / Kim, Da Hye; Kim, Soochan; Lee, Jin Ha; Kim, Jae Hyeon; Che, Xiumei; Ma, Hyun Woo; Seo, Dong Hyuk; Kim, Tae I.I.; Kim, Won Ho; Kim, Seung Won; Cheon, JaeHee.

In: Journal of Gastroenterology and Hepatology (Australia), Vol. 34, No. 1, 01.01.2019, p. 178-185.

Research output: Contribution to journalArticle

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AU - Kim, Da Hye

AU - Kim, Soochan

AU - Lee, Jin Ha

AU - Kim, Jae Hyeon

AU - Che, Xiumei

AU - Ma, Hyun Woo

AU - Seo, Dong Hyuk

AU - Kim, Tae I.I.

AU - Kim, Won Ho

AU - Kim, Seung Won

AU - Cheon, JaeHee

PY - 2019/1/1

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N2 - Background and Aim: Nuclear factor kappa B (NF-κB) activation and endoplasmic reticulum (ER) stress signaling play significant roles in the pathogenesis of inflammatory bowel disease (IBD). Thus, we evaluated whether new therapeutic probiotics have anti-colitic effects, and we investigated their mechanisms related to NF-κB and ER-stress pathways. Methods: Luciferase, nitric oxide, and cytokine assays using HT-29 or RAW264.7 cells were conducted. Mouse colitis was induced using dextran sulfate sodium and confirmed by disease activity index and histology. Macrophages and T-cell subsets in isolated peritoneal cavity cells and splenocytes were analyzed by flow cytometry. Gene and cytokine expression profiles were determined using reverse-transcription polymerase chain reaction. Results: Lactobacillus acidophilus (LA1) and Pediococcus pentosaceus inhibited nitric oxide production in RAW264.7 cells, but only LA1 inhibited Tnfa and induced Il10 expression. LA1 increased the lifespan of dextran sulfate sodium-treated mice and attenuated the severity of colitis by inducing M2 macrophages in peritoneal cavity cells and Th2 and Treg cells in splenocytes. The restoration of goblet cells in the colon was accompanied by the induction of Il10 expression and the suppression of pro-inflammatory cytokines. Additionally, we found that LA1 exerts an anti-colitic effect by improving ER stress in HT-29 cells as well as in vivo. Conclusions: We showed that LA1 significantly interferes with ER stress and suppresses NF-κB activation. Our findings suggest that LA1 can be used as a potent immunomodulator in IBD treatment, and the regulation of ER stress may have significant implications in treating IBD.

AB - Background and Aim: Nuclear factor kappa B (NF-κB) activation and endoplasmic reticulum (ER) stress signaling play significant roles in the pathogenesis of inflammatory bowel disease (IBD). Thus, we evaluated whether new therapeutic probiotics have anti-colitic effects, and we investigated their mechanisms related to NF-κB and ER-stress pathways. Methods: Luciferase, nitric oxide, and cytokine assays using HT-29 or RAW264.7 cells were conducted. Mouse colitis was induced using dextran sulfate sodium and confirmed by disease activity index and histology. Macrophages and T-cell subsets in isolated peritoneal cavity cells and splenocytes were analyzed by flow cytometry. Gene and cytokine expression profiles were determined using reverse-transcription polymerase chain reaction. Results: Lactobacillus acidophilus (LA1) and Pediococcus pentosaceus inhibited nitric oxide production in RAW264.7 cells, but only LA1 inhibited Tnfa and induced Il10 expression. LA1 increased the lifespan of dextran sulfate sodium-treated mice and attenuated the severity of colitis by inducing M2 macrophages in peritoneal cavity cells and Th2 and Treg cells in splenocytes. The restoration of goblet cells in the colon was accompanied by the induction of Il10 expression and the suppression of pro-inflammatory cytokines. Additionally, we found that LA1 exerts an anti-colitic effect by improving ER stress in HT-29 cells as well as in vivo. Conclusions: We showed that LA1 significantly interferes with ER stress and suppresses NF-κB activation. Our findings suggest that LA1 can be used as a potent immunomodulator in IBD treatment, and the regulation of ER stress may have significant implications in treating IBD.

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