Abstract:
:Nitric oxide is known to participate in the immune and inflammatory processes. In this study, we investigated the production of nitric oxide (NO) in murine viral myocarditis induced by coxsackievirus B3. The expression of inducible NO synthase (iNOS) mRNA in the heart first appeared on day 4 after virus inoculation and it was detectable for one month by reverse transcriptase-polymerase chain reaction (RT-PCR) methods. iNOS activity which was determined by the conversion of L-[3H]arginine to L-[3H]citrulline was increased on day 4 and revealed its peak on day 8. Immunohistochemistry on day 7 showed increased iNOS staining mainly in infiltrating macrophages and polymorphonuclear leukocytes. Thus, NO is thought to be produced in the heart and play an important role in a murine model of coxsackievirus B3-induced viral myocarditis.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Mikami S,Kawashima S,Kanazawa K,Hirata K,Katayama Y,Hotta H,Hayashi Y,Ito H,Yokoyama Mdoi
10.1006/bbrc.1996.0519subject
Has Abstractpub_date
1996-03-27 00:00:00pages
983-9issue
3eissn
0006-291Xissn
1090-2104pii
S0006291X96905197journal_volume
220pub_type
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