期刊
HUMAN MUTATION
卷 41, 期 3, 页码 543-580出版社
WILEY-HINDAWI
DOI: 10.1002/humu.23968
关键词
albinism; biogenesis of lysosome-related organelles; bleeding diathesis; granulomatous colitis; hypopigmentation; pulmonary fibrosis
资金
- Intramural Research Program of the National Human Genome Research Institute (NHGRI), National Institutes of Health, Bethesda, Maryland, United States [Z01 HG000215]
- NATIONAL HUMAN GENOME RESEARCH INSTITUTE [ZIAHG000215] Funding Source: NIH RePORTER
Hermansky-Pudlak syndrome (HPS) is a group of 10 autosomal recessive multisystem disorders, each defined by the deficiency of a specific gene. HPS-associated genes encode components of four ubiquitously expressed protein complexes: Adaptor protein-3 (AP-3) and biogenesis of lysosome-related organelles complex-1 (BLOC-1) through -3. All individuals with HPS exhibit albinism and a bleeding diathesis; additional features occur depending on the defective protein complex. Pulmonary fibrosis is associated with AP-3 and BLOC-3 deficiency, immunodeficiency with AP-3 defects, and gastrointestinal symptoms are more prevalent and severe in BLOC-3 deficiency. Therefore, identification of the HPS subtype is valuable for prognosis, clinical management, and treatment options. The prevalence of HPS is estimated at 1-9 per 1,000,000. Here we summarize 264 reported and novel variants in 10 HPS genes and estimate that similar to 333 Puerto Rican HPS subjects and similar to 385 with other ethnicities are reported to date. We provide pathogenicity predictions for missense and splice site variants and list variants with high minor allele frequencies. Current cellular and clinical aspects of HPS are also summarized. This review can serve as a manifest for molecular diagnostics and genetic counseling aspects of HPS.
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