ArticleOphthalmic genetics2016
Ocular Findings in Patients with the Hermansky-Pudlak Syndrome (Types 1 and 3).
Article in Ophthalmic genetics, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 9 citations in OpenAlex.
- Article
- Masks of Albinism: Clinical Spectrum of Hermansky-Pudlak Syndrome.International journal of molecular sciences · 2024Article
- Whole-Exome Sequencing Identified a Novel Homozygous Frameshift Mutation ofBioMed research international · 2021Article
- Avian Binocularity and Adaptation to Nocturnal Environments: Genomic Insights from a Highly Derived Visual Phenotype.Genome biology and evolution · 2019Article
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5 authors at 1 institution in 1 country.
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Abstract
purposeTo describe and compare ocular findings in patients with Hermansky-Pudlak syndrome (HPS) type 1 and 3.
methodsThis is a retrospective case series of 64 patients with HPS from 1999 to 2009 evaluated at an outpatient private ophthalmologic clinic. Patients underwent genetic analysis of selected albinism (Tyrosine and P gene) and HPS genes (HPS-1 and HPS-3) by screening for common mutations and exon sequencing with DNA screening. Descriptive and non-parametric statistical analyses were carried out.
resultsNearly 70% of the patients were homozygous for common Puerto Rican mutations leading to the HPS1 gene (16-BP DUP, 53.6%), while 30% had the 3904-BP DEL HPS3 gene mutation. Best corrected visual acuity (BCVA) was poorer in patients with type 1 HPS than in patients with type 3 HPS (p < 0.001), esotropia was more common among type 1 HPS patients (p < 0.018), while exotropia was more common among patients with type 3 HPS. Total iris transillumination was more common in patients with type 1 HPS and minimal iris transillumination in patients with type 3 HPS (p < 0.001). The maculae were translucent in patients with type 1 HPS, while patients with type 3 HPS had opaque maculae (p < 0.001).
conclusionsPatients with type 1 HPS had poorer BCVA, increased incidence of esotropia, lighter iris and macular appearance. In contrast, patients with type 3 HPS had more exotropia. In addition, to our knowledge this is the largest series type 3 HPS ever reported.
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