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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2006-5-1
pubmed:abstractText
A 44-day-old male infant with familial hemophagocytic lymphohistiocytosis (FHL) associated with the MUNC13-4 mutation is reported. He presented with fever and poor feeding, lymphocytosis with thrombocytopenia and CSF pleocytosis without virological explanation. On the basis of progressive hyperferritinemia (1323 ng/ml), anemia (hemoglobin: 5.2 g/dl), hypertriglyceridemia (547 mg/dl) and increased LDH (1063 IU/l) with hemophagocytosis in the bone marrow, hemophagocytic lymphohistiocytosis was diagnosed. He showed a good response to corticosteroid therapy and the disease was stable for more than 5 months. Thereafter, he suffered from central nervous system complications, and successfully underwent unrelated cord blood stem cell transplantation. A remission was observed for more than 2 years, with mild mental retardation. Genetic analysis revealed that he had a compound heterozygous mutation of MUNC13-4; namely a novel 2163G>A mutation resulting in W721X, and 754-1G>C resulting in a premature stop codon in this gene. Western blot analysis showed the complete loss of the MUNC13-4 protein, whereas other molecules associated with the SNARE systems were detected at normal levels. Conclusion. FHL may have a broad clinical spectrum, and further analysis on its phenotype-genotype association is required to establish an appropriate treatment strategy, including immunochemotherapy and stem cell transplantation in the future.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0340-6199
pubmed:author
pubmed:issnType
Print
pubmed:volume
165
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
384-8
pubmed:meshHeading
pubmed:year
2006
pubmed:articleTitle
Familial hemophagocytic lymphohistiocytosis with the MUNC13-4 mutation: a case report.
pubmed:affiliation
Department of Pediatrics, Kitano Hospital, The Tazuke Kofukai Medical Institute, 2-4-20 Ohgimachi, Kita-ku, Osaka, 530-8480, Japan.
pubmed:publicationType
Journal Article, Case Reports