KEGG   DISEASE: H00109Help
Entry
H00109                      Disease                                

Name
Familial hemophagocytic lymphohistiocytosis (FHPL), including the following three diseases:
Perforin deficiency;
Munc deficiency;
STX11 deficiency
Description
Familial hemophagocytic lymphohistiocytosis is an autosomal recessive disorder with uncontrolled activation of T cells and macrophages (hemophagocytic activation) that infiltrate into liver, spleen, bone marrow, and CNS. The symptoms include fever, hepatosplenomegaly, and cytopenia. Homozygous and heterozygous gene mutations of perforin, the major immune cytotoxic protein, were detected with frequency between 15% and 50% of all FHPL patients. UNC13D is the second gene associated with FHPL. The encoded protein (Munc13-4) is important for cytolytic granule exocytosis. Recently a third FHPL associated gene on chromosome 6q24 with mutations in STX11 was identified. The encoded protein, t-SNARE syntaxin 11, also plays a role in intracellular trafficking, but its precise role is not known.
Category
Primary immunodeficiency
BRITE hierarchy
Gene
PRF1 [HSA:5551] [KO:K07818]
UNC13D [HSA:201294]
STX11 [HSA:8676] [KO:K08487]
Other DBs
ICD-10: 
MeSH: 
OMIM: 
Reference
PMID:16304363 (description, gene)
  Authors
Janka G, zur Stadt U
  Title
Familial and acquired hemophagocytic lymphohistiocytosis.
  Journal
Hematology Am Soc Hematol Educ Program 82-8 (2005)
Reference
PMID:17162365 (gene)
  Authors
Kumar A, Teuber SS, Gershwin ME.
  Title
Current perspectives on primary immunodeficiency diseases.
  Journal
Clin Dev Immunol 13:223-59 (2006)
Reference
PMID:15096561 (gene)
  Authors
Lim MS, Elenitoba-Johnson KS.
  Title
The molecular pathology of primary immunodeficiencies.
  Journal
J Mol Diagn 6:59-83 (2004)
Reference
PMID:18424339 (gene)
  Authors
Morra M, Geigenmuller U, Curran J, Rainville IR, Brennan T, Curtis J, Reichert V, Hovhannisyan H, Majzoub J, Miller DT.
  Title
Genetic diagnosis of primary immune deficiencies.
  Journal
Immunol Allergy Clin North Am 28:387-412, x (2008)
Reference
PMID:17952897 (gene)
  Authors
Geha RS, Notarangelo LD, Casanova JL, Chapel H, Conley ME, Fischer A, Hammarstrom L, Nonoyama S, Ochs HD, Puck JM, Roifman C, Seger R, Wedgwood J.
  Title
Primary immunodeficiency diseases: an update from the International Union of Immunological Societies Primary Immunodeficiency Diseases Classification Committee.
  Journal
J Allergy Clin Immunol 120:776-94 (2007)

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