A novel mutation of the ornithine transcarbamylase gene leading to fatal hyperammonemia in a liver transplant recipient

Mukhtar, A; Dabbous, Hany; El Sayed, R; Aboulfetouh, F; Bahaa, M.; Abdelaal, A; Fathy, M; El-Meteini, Mahmoud;

Abstract


Ornithine transcarbamylase (OTC) deficiency (OTCD) is an X-linked urea cycle disorder. Being an X-linked disease, the onset and severity of the disease may vary among female carriers. Some of them start to develop the disease early in life, whereas others remain asymptomatic throughout their lives. Our patient was a 42-year-old man who developed severe hyperammonemia and fatal brain edema after receiving a right lobe graft from an asymptomatic female living donor with unrecognized OTCD. The donor developed hyperammonemia and disturbed level of consciousness that was managed successfully by hemodialysis. Molecular testing of the OTC gene in the donor revealed a heterozygous nonsense mutation (c.429T>A) in exon 5.


Other data

Title A novel mutation of the ornithine transcarbamylase gene leading to fatal hyperammonemia in a liver transplant recipient
Authors Mukhtar, A; Dabbous, Hany ; El Sayed, R; Aboulfetouh, F; Bahaa, M. ; Abdelaal, A; Fathy, M; El-Meteini, Mahmoud 
Affiliations Faculty of Medicine ; Faculty of Medicine 
Keywords Living donor liver transplant; ornithine transcarbamylase deficiency; DEFICIENCY; CARRIER; MOTHER
Issue Date Apr-2013
Publisher WILEY
Journal American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons
ISSN 1600-6135
DOI 10.1111/ajt.12146
PubMed ID 23551631
Web of science ID WOS:000316911900036

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Citations 8 in pubmed
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