Journal
PHARMACEUTICS
Volume 15, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/pharmaceutics15010222
Keywords
necrosis inhibitor; chronic colitis; inflammatory bowel disease
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This study aimed to investigate the effect of necrosis inhibitor (NI, NecroX-7) on a DSS-induced chronic colitis model of mice. The results showed that NI reduced body weight change and disease activity index (DAI) score. Colon length and histological score were longer and lower in the NI-treated groups, respectively. The NI decreased the expression of pro-inflammatory cytokines, particularly TNF-alpha and p-NF-kappa B. Therefore, NI use is a potential, novel treatment approach for IBD.
Uncontrolled chronic inflammation and necrosis is characteristic of inflammatory bowel disease (IBD). This study aimed to investigate the effect of necrosis inhibitor (NI, NecroX-7) on a dextran sulfate sodium (DSS) induced chronic colitis model of mice. DSS was administered on days 1-5, and the NI was administered intraperitoneally (3 mg/kg, 30 mg/kg) on days 1, 3, and 5 as well as every other day during the first five days of a three-week cycle. Three cycles of administration were performed. Colitis was evaluated based on the disease activity index (DAI) score, colon length, and histological score. Reverse transcription polymerase chain reaction testing, the Western blot assay, and immunohistochemical staining were performed to determine inflammatory cytokine levels. The NI reduced body weight change and the DAI score. Colon length and the histological score were longer and lower in the NI-treated groups, respectively. The NI decreased the expression of pro-inflammatory cytokines, particularly in tumor necrosis factor alpha (TNF-alpha) and phosphorylated nuclear factor kappa B (p-NF-kappa B). Immunohistochemical staining revealed decreased inducible nitric oxide synthase (iNOS) and high mobility group box 1 (HMGB1) levels. Overall, the NI improved DSS induced chronic colitis by attenuating the mRNA expression of pro-inflammatory cytokines such as TNF-alpha. Therefore, NI use is a potential, novel treatment approach for IBD.
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