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GENATLAS PHENOTYPE |
last update : 13-06-2012 |
Symbol | HPLH2 |
Location | 10q22.1 |
Name | hemophagocytic lymphohistiocytosis, familial, 2 |
Corresponding gene | PRF1 |
Other symbol(s) | HMLH2, FHL2 |
Main clinical features |
|
Genetic determination | autosomal recessive |
Prevalence | 20 to 40 p100 of familial hemophagocytic lymphohistiocytosis (PMID: 17311987) |
Function/system disorder | hematology |
defense and immunity | |
Type | disease |
Gene product |
Name | perforin 1 (PRF1) |
Mechanism(s) |
Gene mutation | Chromosome rearrangement | Effect | Comments |
| missense
|  
| truncated protein
| W374X, proeminent muaution in Turkish patients
| |
Remark(s) | mutant with impaired perforin-dependent cytotoxic function (Ctx(-)) develop a fatal inflammatory disorder called hemophagocytic lymphohistiocytosis (HLH) (PMID: 21606480)) |
Genotype/Phenotype correlations | PRF1 mutations had higher risk of early onset (age <6 months) compared to patients carrying STX11 mutations (PMID: 18710388)) |