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1.
Chinese Journal of Medical Genetics ; (6): 545-547, 2005.
Article Dans Chinois | WPRIM | ID: wpr-279991

Résumé

<p><b>OBJECTIVE</b>To detect gene mutation in proband and his mother from a family with piebaldism.</p><p><b>METHODS</b>Diagnosis of a patient with piebaldism was validated by pathology, ultrastructural examination and the typical clinical manifestation. PCR and DNA sequencing were carried out to detect gene mutation of a family with piebaldism.</p><p><b>RESULTS</b>G1833A transition in the KIT gene was found in the proband of the family with piebaldism. This mutation resulted in V604I substitution in KIT gene. No mutation was found in 100 normal individuals and other family members.</p><p><b>CONCLUSION</b>The mutation of V604I is the cause of clinical phenotype of the family with piebaldism.</p>


Sujets)
Enfant , Femelle , Humains , Mâle , Séquence nucléotidique , Analyse de mutations d'ADN , Mutation , Piébaldisme , Génétique , Réaction de polymérisation en chaîne , Protéines proto-oncogènes c-kit , Génétique
2.
Chinese Journal of Medical Genetics ; (6): 668-670, 2005.
Article Dans Chinois | WPRIM | ID: wpr-279973

Résumé

<p><b>OBJECTIVE</b>To detect the gene mutation of a family with piebaldism.</p><p><b>METHODS</b>Diagnosis of a patient with piebaldism was constructed by pathology, ultrastructural examination and typical clinical-phenotype. Detection of gene mutation was carried out by PCR and DNA sequencing.</p><p><b>RESULTS</b>G 2528A substitution transition in the KIT gene was found in the proband of the family with piebaldism. This mutation resulted in S850N substitution in protein product of KIT gene. No mutation was found in 100 normal individuals and other family members.</p><p><b>CONCLUSION</b>The mutation of S850N maybe one cause of clinical phenotype of the family with piebaldism.</p>


Sujets)
Adulte , Femelle , Humains , Mâle , Séquence nucléotidique , Chine , Prédisposition génétique à une maladie , Mutation faux-sens , Pedigree , Piébaldisme , Génétique , Réaction de polymérisation en chaîne , Protéines proto-oncogènes c-kit , Génétique , Analyse de séquence d'ADN
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