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

Overexpression of bamacan/ SMC3 causes transformation.

Bamacan can occur in certain cell types as either a secreted proteoglycan assembled into basement membranes or as an intracellular protein known as structural maintenance of chromosome 3 ( SMC3). To assess the role of this protein in tumorigenesis, we investigated whether induced overexpression of bamacan/ SMC3 could transform normal fibroblasts. We generated a full-length cDNA encoding the entire mouse bamacan/ SMC3 and demonstrated appropriate transcription and translation into a 146-kDa protein. All the NIH and Balb/c 3T3 murine fibroblasts overexpressing this bamacan/ SMC3 transgene generated foci of transformation and acquired anchorage-independent growth. The increased levels of bamacan/ SMC3 expression achieved in the transfected fibroblasts were the same as those detected in a series of spontaneously transformed murine and human colon carcinoma cells. Moreover, a 3-4-fold overexpression of bamacan/ SMC3 was detected in approximately 70% of human colon carcinoma specimens from matched pairs (n = 19, p < 0.0002) and in a cohort of intestinal tumors from Apc-deficient Min/+ mice. These results support the concept that deregulated expression of bamacan/ SMC3 is involved in cell transformation.[1]

References

  1. Overexpression of bamacan/SMC3 causes transformation. Ghiselli, G., Iozzo, R.V. J. Biol. Chem. (2000) [Pubmed]
 
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