Cytokine storm modulation using cholecalciferol and low dose gamma radiation in Escherichia coli infected mice

Author:

Abdel‐Hamid Gehan R.1,Mostafa Dalia M.1ORCID,Fathy Rasha M.2,Lotfy Dina M.2,Osman Soheir1

Affiliation:

1. Radiation Biology, National Center for Radiation Research and Technology Egyptian Atomic Energy Authority Cairo Egypt

2. Drug Radiation Research, National Center for Radiation Research and Technology Egyptian Atomic Energy Authority Cairo Egypt

Abstract

AbstractThis work investigates the efficiency of cholecalciferol and low dose gamma radiation in modulating cytokine storm through their impact on inflammatory and anti‐inflammatory cytokine and protecting against lung and liver injuries. Male Swiss albino mice were exposed to 0.2 Gy gamma radiation/week for four consecutive weeks then injected intraperitoneally (i.p) with a single dose of 8.3 × 106 CFU Escherichia coli/g b.w. then injected i.p. with 1.0 mg/kg cholecalciferol (Vit D3) for 7 days starting 4 h after E. coli injection. The results revealed that Cholecalciferol and low dose gamma radiation caused significant depletion in the severity of E. coli infection (colony forming unit per milliliter), log10 of E. coli, Tumor necrosis factor alpha, Interleukin 6, VEGF, alanine aminotransferase, and aspartate aminotransferase levels and significant elevation in IL‐10, IL‐4, and HO‐1. Immunohistochemical analysis of caspase‐3 expression in lung tissue section showed low caspase‐3 expression in cholecalciferol and low dose gamma radiation treated group. Histopathological examinations were performed in both lung and liver tissues which also emphasis the biochemical findings. Our results exhibit the importance of cholecalciferol and low dose gamma radiation in improving liver function and providing anti‐inflammatory response in diseases causing cytokine storm.

Publisher

Wiley

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