High resolution protein mapping in fibroblast cell lines and hair roots from patients with genetic disease*

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Abstract
Protein patterns of cultured fibroblasts and hair root lysates from healthy controls and patients with genetic diseases (Duchenne muscular dystrophy, Friedreich's ataxia, Marie's ataxia, Lesch‐Nyhan syndrome, maple syrup urine disease, and trisomy 13, 18 and 21) were obtained with two‐dimensional electrophoresis. The analysis of these patterns in 39 gels by visual comparison revealed differences in the presence and absence of 20 specific protein spots. However, this variability, which has been observed in healthy controls as well as in patients, could not provide a diagnosis for a specific genetic disease. Only in one case ‐ trisomy 18 ‐ was an additional spot observed, which was not present in any of the other gels.