Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Κυριακή 18 Φεβρουαρίου 2018

Molecular genetics ‎characterization and homology modeling of the CHM gene mutation: A study on its association with choroideremia

Publication date: Available online 18 February 2018
Source:Mutation Research/Reviews in Mutation Research
Author(s): Saber Imani, Iqra Ijaz, Marzieh Dehghan Shasaltaneh, Shangyi Fu, Jingliang Cheng, Junjiang Fu
Choroideremia (CHM) is a rare form of X-linked chorioretinal dystrophy that is caused by mutations in the CHM gene. Mutations in the Rab escort protein-1 (REP-1), an ubiquitously encoded protein of the CHM gene, lead to prenylation and vesicle trafficking deficiency in the protein, resulting in the progressive degeneration of choriocapillaris, retinal pigment epithelium (RPE), and photoreceptors. Despite previous studies concerning this disease, no effective diagnostic tests or established therapeutic interventions currently exist for CHM. In this paper, we reviewed ‎the pathogenic ‎effects of synonymous hotspot mutation in the CHM gene and the genotypic–phenotypic associations in families with CHM. In addition, we employed a combination of molecular dynamics simulations and principal component analysis to gain insight into the underlying molecular basis of these deleterious and disease-causing hotspot mutation ‎analogs. These computer predictions provide strong evidence that the C > T nonsynonymous hotspot mutations of CHM spectrum contribute to overall RPE retinopathy. These findings increase our understanding of the CHM ‎pathogenesis, which may potentially define a new approach in developing novel symbiotic strategies for genetic diagnosis and specific treatment of inherited retinal diseases.



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