Abstract:
:A sialoglycopeptide (SGP), isolated and purified from bovine cerebral cortex cells, was studied in regard to early signal transduction events associated with the cell cycle. Previously shown to be a potent antagonist to a variety of mitogens, the SGP abrogated the ability of 12-O-tetradecanoylphorbol-13 acetate (TPA) to elicit an alkalinization of 3T3 cell cytosol, but only when added minutes prior to, or simultaneously with, the tumor promoter. 3T3 cell TPA-mediated Ca2+ mobilization was also inhibited by the SGP although the inhibitor itself did not bind Ca2+ in a cell-free assay. The results are discussed in light of the already known kinetics of interaction between the SGP, various mitogens, and the calcium ionophore A23187 with regard to the pivotal events leading to the decision of a cell to divide or not to divide.
journal_name
J Cell Physioljournal_title
Journal of cellular physiologyauthors
Toole-Simms WE,Loder DK,Fattaey HK,Johnson TCdoi
10.1002/jcp.1041470214subject
Has Abstractpub_date
1991-05-01 00:00:00pages
292-7issue
2eissn
0021-9541issn
1097-4652journal_volume
147pub_type
杂志文章abstract::Interleukin (IL)-37 diminishes a variety of inflammatory responses through ligation to its receptor IL-1R8/Sigirr. Sigirr is a Toll like receptor/IL-1R family member. We have shown that Sigirr is not stable in response to IL-37 treatment. IL-37-induced Sigirr degradation is mediated by the ubiquitin-proteasome system,...
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