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

Regulation of adherens junction protein expression in growth-activated 3T3 cells and in regenerating liver.

The expression of the adherens junction proteins vinculin, alpha-actinin, and talin was compared in serum-stimulated 3T3 cells and in regenerating rat liver following partial hepatectomy. The levels of vinculin RNA and protein synthesis were rapidly and transiently elevated in growth-activated fibroblasts (peaking at 2-3 h) and in regenerating liver (at 4-8 h), preceding the replicative stage. alpha-Actinin expression was also induced, but more slowly (peaking at 6-8 h in 3T3 cells and at 28 h in regenerating liver), and remained elevated when DNA synthesis was proceeding in both systems. The expression of talin RNA was only slightly elevated in 3T3 cells following serum stimulation, and it remained largely unchanged in regenerating liver. The levels of RNA coding for fibronectin and for the beta 1-integrin subunit were transiently and extensively induced during liver regeneration (fibronectin with a peak at 8 h and beta 1-integrin at 12 h). The uvomorulin RNA level, and the expression of the liver-specific genes albumin and transthyretin, decreased in regenerating liver. The results suggest a physiologically significant regulation in the expression of structural components which link the extracellular matrix to the microfilament system in growth-activated fibroblasts and in regenerating liver.[1]

References

  1. Regulation of adherens junction protein expression in growth-activated 3T3 cells and in regenerating liver. Glück, U., Rodríguez Fernández, J.L., Pankov, R., Ben-Ze'ev, A. Exp. Cell Res. (1992) [Pubmed]
 
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