Abstract:
:Inflammatory bowel disease (IBD) has received much attention due to its increasing worldwide incidence and potential increased risk of colorectal cancer. The protective function of a Rho-associated protein kinase inhibitor (Y-27632) against 2,4,6-trinitrobenzene sulfonic acid (TNBS) induced mouse colitis has been proven in previous studies, but the concrete therapeutic mechanism of Y-27632 is still not completely illuminated. This current research is intended for further investigation of the effect and mechanism of Y-27632 in a mouse model of acute experimental ulcerative colitis induced by dextran sulfate sodium (DSS). A total of 24 male BALB/c mice were randomly separated into the following three groups (n = 8 per group) and injected intraperitoneally with the corresponding reagents for 7 days: control group (PBS), DSS group (PBS), and Y-27632 group (PBS and Y-27632; 10 mg/kg). Our data indicated that Y-27632 could significantly improve the severity of colitis, as evidenced by the disease activity index (DAI) scores, histological damage, and colon length. Additionally, Y-27632 treatment significantly decreased CD68 and proinflammatory cytokines such as tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-17F (IL-17F), and interleukin-6 (IL-6). Furthermore, Y-27632 potently and pleiotropically suppressed nuclear factor-κB (NF-κB) and signal transduction and transcriptional activator 3 (STAT3) activation as well as the activity of prosurvival genes that are dependent on these transcription factors. In summary, the study demonstrates that Y-27632 exerts ameliorative effects on colonic inflammation mediated through dual inhibition of the NF-κB and IL-6/STAT3 pathways and thus is likely to function as a prospective novel treatment for human ulcerative colitis (UC).
journal_name
Inflammationjournal_title
Inflammationauthors
Wang Y,Duan X,Liu X,Liu Y,Fan H,Xu M,Chen Q,Tang Qdoi
10.1007/s10753-019-01171-2subject
Has Abstractpub_date
2020-06-01 00:00:00pages
857-867issue
3eissn
0360-3997issn
1573-2576pii
10.1007/s10753-019-01171-2journal_volume
43pub_type
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