Abstract
Acetaldehyde and malondialdehyde react covalently with cellular proteins forming protein-malondialdehyde–acetaldehyde adducts thus modulating their biochemical functions. Alpha-2 macroglobulin, an acute phase protein produced by liver binds to cytokines, growth factors and neutralizes proteinases. In this study we examined the formation of MAA adducts of N-terminal and bait region of mouse A2M and their effect on modulating its proteinase and TGF-β1 binding activities. Adduct formation abrogated the binding of bait region with TGF-β1, trypsin, and elastase. TGF-β1 induced NO production was also suppressed. Acetaldehyde and MDA adduction of A2M may have physiological consequences in alcoholic patients. Structured summary of protein interactionsTGF Beta1binds to A2M by enzyme linked immunosorbent assay (View interaction)
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