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J Pediatr ; 122(3): 419-22, 1993 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-8095070

RESUMEN

A 6 1/2-year-old girl had developmental regression, and Leigh syndrome was diagnosed. A second girl born to the same mother after heterologous artificial insemination also lost acquired skills and died at 2 1/2 years of age; neuropathologic examination confirmed the diagnosis of Leigh syndrome. Tissues from both children and from the mother had a point mutation at nucleotide 8993 in the adenosinetriphosphatase 6-gene of mitochondrial DNA. This family illustrates that Leigh syndrome can be transmitted by maternal inheritance.


Asunto(s)
ADN Mitocondrial/genética , Enfermedad de Leigh/genética , Mutación Puntual/genética , Adenosina Trifosfatasas/genética , Niño , Femenino , Humanos , Reacción en Cadena de la Polimerasa , Polimorfismo de Longitud del Fragmento de Restricción
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