| Autor: |
Anna Skorczyk-Werner, Anna Wawrocka, Natalia Kochalska, Maciej Robert Krawczynski |
| Jazyk: |
angličtina |
| Rok vydání: |
2018 |
| Předmět: |
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| Zdroj: |
Orphanet Journal of Rare Diseases, Vol 13, Iss 1, Pp 1-7 (2018) |
| Druh dokumentu: |
article |
| ISSN: |
1750-1172 |
| DOI: |
10.1186/s13023-018-0965-5 |
| Popis: |
Abstract Background Choroideremia (CHM) is a rare X-linked recessive retinal dystrophy characterized by progressive chorioretinal degeneration in the males affected. The symptoms include night blindness in childhood, progressive peripheral vision loss and total blindness in the late stages. The disease is caused by mutations in the CHM gene encoding Rab Escort Protein 1 (REP-1). The aim of the study was to identify the molecular basis of choroideremia in five families of Polish origin. Methods Six male patients from five unrelated families of Polish ethnicity, who were clinically diagnosed with choroideremia, were examined in this study. An ophthalmologic examination performed in all the probands included: best-corrected visual acuity, slit-lamp examination, funduscopy, fluorescein angiography and perimetry. The entire coding region encompassing 15 exons and the flanking intronic sequences of the CHM gene were amplified with PCR and directly sequenced in all the patients. Results Five variants in the CHM gene were identified in the five families examined. Two of the variants were new: c.1175dupT and c.83C > G, while three had been previously reported. Conclusions This study provides the first molecular genetic characteristics of patients with choroideremia from the previously unexplored Polish population. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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