Cited by 16Inflammatory Bowel DiseaseNoise Effects and ManagementImmunotoxicology and immune responses

Acoustic stress induces long term severe intestinal inflammation in the mouse

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Miranda, Silvia, Roux, María Estela·2017·Toxicology Letters

Abstract

The influence of noise on the presentation and progression of inflammatory bowel diseases has been poorly analyzed. We designed this study to investigate immediate and late effects of acoustic stress (AS) on small intestine. To this aim, CBA/J, BALB/c and DBA/2 mice were divided into AS and control groups. AS mice were exposed to noise (300Hz-70dB) during 24hs and randomized into: A) Acute effects group: mice were killed after AS; L) Late effects group: mice were killed 3 weeks after AS and O) Over-exposed effects group: mice were submitted to AS once a week during a month and killed. Small intestine sections were histologically examined. The expression of cytokines (IL-17, IL-22, TNF-α, INF-ɣ and TGF-β), CCL-25 and Ki67 was studied by immunohistochemistry and immunofluorescence techniques. "A" group displayed short and fragmented villi, diminished number of lamina propria cells, leucocyte infiltration, higher number of goblet cells and predominance of IL-17 expression. "L" group showed epithelial proliferative foci (CCL25+Ki67+) and increased TNFα/TGF-β expression. Tissue damage was aggravated in "O" group. In conclusion, AS is able to trigger a severe intestinal inflammatory process in healthy mice, which spontaneously amplifies and perpetuates. Noise might be harmful to humans by aggravating inflammatory bowel diseases.

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  1. Cătană, C., Berindan Neagoe, I., Cozma, V., Magdaş, C., Tăbăran, F., Dumitraşcu, D., 2015. IL-17 and IL-23 in the pathogenesis of inflammatory bowel disease. World J. Gastroenterol. 21 (19), 5823-5830.

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Authors
Miranda, S., & Roux, M. E.
Affiliations
Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
Corresponding author
Miranda, Silvia
Venue
Toxicology Letters
Publisher
Elsevier BV
Published
2017-10
Volume
280
Pages
1-9
ISSN
0378-4274 (ISSN-L)
OpenAlex
W2742016582
Cited by
16
References
57
Citations by year
2025: 1 · 2024: 1 · 2023: 2 · 2022: 1 · 2020: 5 · 2019: 4 · 2018: 2
FWCI
2.00
Type
journal article
Language
en
Open access
Locations
  • Toxicology Letters (publishedVersion)
  • PubMed (publishedVersion)
  • CONICET Digital (CONICET) (submittedVersion, cc-by-nc-sa)
Funders
  • Secretaría de Ciencia y Técnica, Universidad de Buenos Aires (20020150100205BA)
  • Consejo Nacional de Investigaciones Científicas y Técnicas (11220150100333CO, PIP 2015–2017)
  • Universidad de Buenos Aires
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Inflammatory Bowel Disease
  • Health Sciences › Health Professions › Speech and Hearing › Noise Effects and Management
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotoxicology and immune responses
Keywords
acoustic stress, noise exposure, intestinal inflammation, inflammatory bowel disease, small intestine, IL-17, TNF-α, TGF-beta, CCL25, Ki-67, epithelial cell proliferation, goblet cells, lamina propria, leukocyte infiltration, chronic noise exposure
MeSH terms
Animals, Female, Gene Expression Regulation, Inflammation, Intestinal Diseases, Male, Mice, Inbred Strains, Noise, Random Allocation, Stress, Psychological, Time Factors, Cytokines, Mice

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