Title : The ability of antigen, but not interleukin-2, to promote n-butyrate-induced T helper 1 cell anergy is associated with increased expression and altered association patterns of cyclin-dependent kinase inhibitors.

Pub. Date : 2002 Aug

PMID : 12153511






3 Functional Relationships(s)
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1 Because n-butyrate-induced Th1 cell anergy has been linked to increased expression of the cyclin-dependent kinase inhibitors p21Cip1 and p27Kip1, mechanistic experiments focused on the role of these inhibitors. Butyrates cyclin dependent kinase inhibitor 1B Homo sapiens
2 It was found that when Th1 cells were reincubated in Ag-stimulated secondary cultures, the Th1 cells previously exposed to Ag and n-butyrate (anergic Th1 cells) demonstrated a cumulative increase in p21Cip1 and p27Kip1 when compared with Th1 cells previously exposed to recombinant (r)IL-2 and n-butyrate (non-anergic Th1 cells). Butyrates cyclin dependent kinase inhibitor 1B Homo sapiens
3 Taken together, these findings suggest that Th1 cell exposure to Ag and n-butyrate, rather than IL-2 and n-butyrate, is needed to induce the cumulative increase in p21Cip1 and p27Kip1 that is associated with the proliferative unresponsiveness in anergic Th1 cells. Butyrates cyclin dependent kinase inhibitor 1B Homo sapiens