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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Molecular pathology of selected porphyria with skin manifestation
 Sameh Anwar Hussein Farrag, Mohamed ; Martásek, Pavel (advisor) ; Baxová, Alice (referee) ; Raman, C. S. (referee)
Porphyria is a group of inherited metabolic disorders due to enzymatic defect of the heme biosynthesis resulting in the overproduction of the heme precursors' porphyrins in different body organs. The enzymes of the heme biosynthesis are encoded by corresponding genes in which any defect in any of these genes lead to a specific type of porphyria. Numerous mutations were detected in these genes leading to impairment in the enzyme function and therefore developing of the clinical manifestations of porphyria. The aim of the present work was to investigate the UROD gene in patients with porphyria cutanea tarda (PCT) and hepatoerythropoietic protoporphyria (HEP) as well as the FECH gene in patients with erythropoietic protoporphyria (EPP) on a molecular level. We identified numerous mutations in the FECH and the UROD genes in three different populations, Czech, Slovak, and Egyptian. We described the novel mutations in the UROD gene in HEP Arabic patients from Egypt as well in the FECH gene in patients with EPP of Czech and Slovak origin. We expressed mutatted UROD protein in prokaryotic system and found 19 % of the wild-type enzymatic activity. Moreover, the current study presents for the first time the frequency of the low expression allele IVS3-48c in the FECH gene in healthy controls from the Czech...
Detailed record
Molecular pathology of selected porphyria with skin manifestation
 Sameh Anwar Hussein Farrag, Mohamed ; Martásek, Pavel (advisor) ; Baxová, Alice (referee) ; Raman, C. S. (referee)
Porphyria is a group of inherited metabolic disorders due to enzymatic defect of the heme biosynthesis resulting in the overproduction of the heme precursors' porphyrins in different body organs. The enzymes of the heme biosynthesis are encoded by corresponding genes in which any defect in any of these genes lead to a specific type of porphyria. Numerous mutations were detected in these genes leading to impairment in the enzyme function and therefore developing of the clinical manifestations of porphyria. The aim of the present work was to investigate the UROD gene in patients with porphyria cutanea tarda (PCT) and hepatoerythropoietic protoporphyria (HEP) as well as the FECH gene in patients with erythropoietic protoporphyria (EPP) on a molecular level. We identified numerous mutations in the FECH and the UROD genes in three different populations, Czech, Slovak, and Egyptian. We described the novel mutations in the UROD gene in HEP Arabic patients from Egypt as well in the FECH gene in patients with EPP of Czech and Slovak origin. We expressed mutatted UROD protein in prokaryotic system and found 19 % of the wild-type enzymatic activity. Moreover, the current study presents for the first time the frequency of the low expression allele IVS3-48c in the FECH gene in healthy controls from the Czech...
Detailed record

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