Title : Transglutaminase-2 mediates calcium-regulated crosslinking of the Y-box 1 (YB-1) translation-regulatory protein in TGFβ1-activated myofibroblasts.

Pub. Date : 2013 Dec

PMID : 23804301






2 Functional Relationships(s)
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Compound Name
Protein Name
Organism
1 We have determined that YB-1 is a substrate for the protein-crosslinking enzyme transglutaminase 2 (TG2) that catalyzes calcium-dependent formation of covalent gamma-glutamyl-isopeptide linkages in response to reactive oxygen signaling. Oxygen Y-box binding protein 1 Homo sapiens
2 In human pulmonary fibroblasts, YB-1 crosslinking was inhibited by (a) anti-oxidant cystamine, (b) the reactive-oxygen antagonist, diphenyleneiodonium, (c) competitive inhibition of TG2 transamidation using the aminyl-surrogate substrate, monodansylcadaverine, and (d) transfection with small-interfering RNA specific for human TG2 mRNA. Oxygen Y-box binding protein 1 Homo sapiens