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

Expression of twist and wnt in human breast cancer.

Twist, a transcription factor of the basic helix-loop-helix class, has been suggested to have oncogenic properties. We reported Twist expression was regulated by Wnt/beta-catenin signaling and that both Wnt-1 and Twist could contribute to mammary tumorigenesis. The aim of this study was to demonstrate the expression of Twist, Wnt-1 and Wnt-2 in human breast cancer tissue. We examined the expression in patients with breast cancer by RT-PCR and immunohistochemistry. RT-PCR of twenty-three pairs of cancer and normal breast tissue revealed that Twist was up-regulated in 69.6% (16/23) of the cancer lesions and 21.7% (5/23) of the normal breast tissues. Wnt-2 was up-regulated in all of the cancer lesions and 13.0% (3/23) of the normal breast tissues, whereas Wnt-1 was expressed in both the cancer and normal breast tissues of the five cases examined. Immunohistochemical analyses revealed that Twist was positively expressed in 52.2% (12/23) of the cancer lesions and 34.8% (8/23) of the normal breast tissues. Twist and Wnt-2 are highly expressed in breast cancer tissue, suggesting that both molecules could play important roles in mammary carcinogenesis.[1]

References

  1. Expression of twist and wnt in human breast cancer. Watanabe, O., Imamura, H., Shimizu, T., Kinoshita, J., Okabe, T., Hirano, A., Yoshimatsu, K., Konno, S., Aiba, M., Ogawa, K. Anticancer Res. (2004) [Pubmed]
 
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