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

Characterization of an immortalized cell line from a patient with epidermolytic hyperkeratosis.

The most frequent mutation that causes the autosomal dominant skin disease epidermolytic hyperkeratosis (EHK) is an arginine to histidine substitution at position 10 in the 1A segment of the rod domain of keratin 10. As an initial step toward developing a strategy for treating EHK, a cell line, EH18-1, was established after keratinocytes derived from an EHK patient with this mutation were immortalized by a recombinant retrovirus encoding the E6 and E7 genes of human papillomavirus type 18. EH18-1 cells synthesize considerable amounts of keratin 10 mRNA and protein when maintained in either submerged cultures or in organotypic cultures. When grown in organotypic culture, EH18-1 cells form multiple layers and express keratin 10 and filaggrin predominantly in the upper layers. Thus, the EH18-1 cell line exhibits several morphological and biochemical markers of terminal epidermal differentiation. A semiquantitative reverse transcriptase polymerase chain reaction assay for keratin 10 mRNA was developed to distinguish between expression of the normal and the mutant alleles. The EH18-1 keratinocyte cell line will be useful in developing protocols for gene therapy of EHK that may be monitored by reverse transcriptase polymerase chain reaction of either allele.[1]

References

  1. Characterization of an immortalized cell line from a patient with epidermolytic hyperkeratosis. Chipev, C.C., Steinert, P.M., Woodworth, C.D. J. Invest. Dermatol. (1996) [Pubmed]
 
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