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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Pharmacologic transglutaminase inhibition attenuates drug-primed liver hypertrophy but not Mallory body formation.

Mallory bodies (MBs) are characteristic of several liver disorders, and consist primarily of keratins with transglutaminase-generated keratin crosslinks. We tested the effect of the transglutaminase-2 (TG2) inhibitor KCC009 on MB formation in a mouse model fed 3,5-diethoxycarbonyl-1,4-dihydrocollidine (DDC). KCC009 decreased DDC-induced liver enlargement without affecting MB formation or extent of liver injury. TG2 protein and activity increased after DDC feeding and localized within and outside hepatocytes. KCC009 inhibited DDC-induced hepatomegaly by affecting hepatocyte cell size rather than proliferation. Hence, TG2 is a potential mediator of injury-induced hepatomegaly via modulation of hepatocyte hypertrophy, and KCC009-mediated TG2 inhibition does not affect mouse MB formation.[1]

References

  1. Pharmacologic transglutaminase inhibition attenuates drug-primed liver hypertrophy but not Mallory body formation. Strnad, P., Siegel, M., Toivola, D.M., Choi, K., Kosek, J.C., Khosla, C., Omary, M.B. FEBS Lett. (2006) [Pubmed]
 
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