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Title: Argininosuccinate synthetase deficiency: Mutation analysis in 3 Thai patients
Authors: Pornswan Wasant
Vip Viprakasit
Chantragan Srisomsap
Somporn Liammongkolkul
Pisanu Ratanarak
Achara Sathienkijakanchai
Jisnuson Svasti
Mahidol University
Weatherall Institute of Molecular Medicine
Chulabhorn Research Institute
Keywords: Medicine
Issue Date: 1-May-2005
Citation: Southeast Asian Journal of Tropical Medicine and Public Health. Vol.36, No.3 (2005), 757-761
Abstract: Remarkable improvements in public health, nutrition, hygiene, and availability of medical services in the last 20 years have significantly reduced infant and childhood mortality in Thailand. Therefore, many rare and previously unidentified genetic disorders, which, in the past, usually led to the death of affected infants before a definitive diagnosis, have now been increasingly recognized. Recently, we identified three unrelated patients from Thailand who suffered from citrullinemia, one of five inherited types of urea cycle disorders. All were diagnosed within their first few weeks of life. Biochemical analyses, including plasma amino acid and urine organic acid profiles, are consistent with argininosuccinate synthetase (ASS) deficiency. Extensive mutation study by direct genomic sequencing of ASS demonstrated a homozygous G117S mutation in one patient and homozygous R363W mutations in the other two families.
ISSN: 01251562
Appears in Collections:Scopus 2001-2005

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