Content » Vol 71, Issue 2

Epidermal transglutaminase in the ichthyoses.

van Hooijdonk CA, Steijlen PM, Bergers M, Mier PD, Traupe H, Happle R
DOI: 10.2340/0001555571173175


Membrane-bound transglutaminase (TGm) is responsible for the cross-linking of proteins to form the cornified envelope. Since abnormalities have been reported in the envelope in certain ichthyoses, we have carried out a survey of TGm concentrations in scales from these disorders. Surprisingly, a striking and specific increase in enzyme activity was found in patients with non-erythrodermic autosomal recessive lamellar ichthyosis. It is not clear how this increase is related to the underlying recessive mutation.


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