ArticleJournal of molecular neuroscience : MN2005
Inhibition of PACAP activity by a receptor antagonist results in changes in cell cycle and apoptotic proteins in chick neuroblasts.
Article in Journal of molecular neuroscience : MN, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors at 1 institution in 1 country.
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Abstract
We showed previously that early chick neuroblasts stop proliferating and undergo apoptosis when deprived of endogenous pituitary adenylate cyclase-activating polypeptide (PACAP). To identify proteins involved in these processes, we blocked the primary PACAP receptor and determined protein changes using isotope-coded affinity tag (ICAT) analysis. Cell cycle exit was characterized by a decrease in proteins regulating ribosome biogenesis and protein translation. Apoptosis was linked directly to a tumor suppressor that increases apoptosome activity and indirectly to reduced mitochondrial activity. ICAT analysis, combined with flow cytometric analysis, suggested that some cells were differentiating, rather than undergoing apoptosis. In summary, we have confirmed that withdrawal of PACAP from early chick neuroblasts causes cell cycle exit and apoptosis, and identified proteins involved in proliferation, exit, apoptosis, and possibly differentiation.
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