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

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Functional Smoothened is required for expression of GLI3 in colorectal carcinoma cells.

We investigated a role for Hedgehog signalling in colon cancer by studying transcription of members of the pathway in human colorectal carcinoma cell lines. We determined the methylation status and screened the gene encoding the Hedgehog receptor-associated protein Smoothened (SMO) for putative mutations. In three cell lines lacking SMO expression the SMO promoter was fully methylated and the transcription factor GLI3 was not expressed. Two additional cell lines both having one methylated SMO allele and expressing mutant SMO did not express GLI3. Our results suggest that expression of wild-type SMO is required for expression of GLI3 by a mechanism that is independent of conventional Hedgehog signalling.[1]

References

  1. Functional Smoothened is required for expression of GLI3 in colorectal carcinoma cells. Zhu, Y., James, R.M., Peter, A., Lomas, C., Cheung, F., Harrison, D.J., Bader, S.A. Cancer Lett. (2004) [Pubmed]
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