Abstract:
:Diallyl trisulfide (DATS), one of the volatile constituents of garlic oil, has been reported to possess antioxidant, anti-inflammatory, and anti-carcinogenic properties. In this study, DATS (10μmol) given orally for 7days before and for another 7days after starting administration of 2.5% dextran sulfate sodium (DSS) in drinking water protected against colitis induced by DSS in male ICR mice. DATS significantly inhibited the DSS-induced DNA binding of NF-κB, phosphorylation of IκBα and the expression of pro-inflammatory proteins, such as cyclooxygenase-2 and inducible nitric oxide synthase, which are major target proteins of NF-κB. The DSS-induced DNA binding and phosphorylation at the Tyr 705 residue of signal transducer and activator of transcription 3 (STAT3), and expression of its major target protein cyclin D1 in mouse colonic mucosa were also attenuated by DATS administration. Likewise, DSS-induced phosphorylation of extracellular signal-regulated kinase 1/2 was suppressed by DATS treatment. In conclusion, DATS ameliorates the DSS-induced mouse colitis presumably by blocking inflammatory signaling mediated by NF-κB and STAT3.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Lee HJ,Lee HG,Choi KS,Surh YJ,Na HKdoi
10.1016/j.bbrc.2013.06.064subject
Has Abstractpub_date
2013-07-26 00:00:00pages
267-73issue
2eissn
0006-291Xissn
1090-2104pii
S0006-291X(13)01062-0journal_volume
437pub_type
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