Abstract:
:Nuclear factor kappaB (NF-kappaB) is a ubiquitous transcription factor activated by various stimuli implicated in heart failure progression. However, its activation in heart failure has not been well defined yet. Therefore, we investigated activation of NF-kappaB after myocardial infarction. For the first time, we performed serial, non-invasive in vivo molecular imaging of transcription factor activation in the heart. We used mice expressing a luciferase reporter whose transcription is dependent upon NF-kappaB activation for up to 8 weeks after myocardial infarction. There was a significant increase of NF-kappaB activity with a maximum at day 3 after myocardial infarction when compared to sham controls. Thus, in vivo measurement of the activation of NF-kappaB is feasible. NF-kappaB activity might play an important role for the remodeling process.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Tillmanns J,Carlsen H,Blomhoff R,Valen G,Calvillo L,Ertl G,Bauersachs J,Frantz Sdoi
10.1016/j.bbrc.2006.02.024subject
Has Abstractpub_date
2006-04-14 00:00:00pages
773-4issue
3eissn
0006-291Xissn
1090-2104pii
S0006-291X(06)00313-5journal_volume
342pub_type
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