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

The expression of a truncated HMGI-C gene induces gigantism associated with lipomatosis.

Rearrangements of the HMGI-C gene have frequently been detected in human benign tumors of mesenchymal origin, including lipomas. The HMGI-C protein has three AT-hook domains and an acidic COOH-terminal tail. The HMGI-C modifications consist in the loss of the C-tail and the fusion with ectopic sequences. Recent results show that the loss of the COOH-terminal region, rather than the acquisition of new sequences, is sufficient to confer to HMGI-C the ability to transform NIH3T3 cells. Therefore, transgenic mice carrying a HMGI-C construct (HMGI-C/T), containing only the three AT-hook domains, were generated. The HMGI-C/T mice showed a giant phenotype, together with a predominantly abdominal/pelvic lipomatosis, suggesting a pivotal role of the HMGI-C truncation in the generation of human lipomas.[1]

References

  1. The expression of a truncated HMGI-C gene induces gigantism associated with lipomatosis. Battista, S., Fidanza, V., Fedele, M., Klein-Szanto, A.J., Outwater, E., Brunner, H., Santoro, M., Croce, C.M., Fusco, A. Cancer Res. (1999) [Pubmed]
 
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