نتایج جستجو برای: IVSI-110 mutation
تعداد نتایج: 330963 فیلتر نتایج به سال:
Splicing mutations are common causes of beta-thalassemia. Some splicing mutations permit normal splicing as well as aberrant splicing, which can give a reduced level of normal beta-globin synthesis causing mild disease (thalassemia intermedia). For other mutations, normal splicing is reduced to low levels, and patients are transfusion-dependent when homozygous for the disease. The development o...
BACKGROUND/AIM IVSI-110 (G>A), IVSI-6 (T>C), IVSII-1 (G>A), IVSII-745 (C>G), IVSI-1 (G>A), and HbS are mutations covering 76% of all the β-globin mutations in the Turkish population. In this study, our aim is to develop a reliable, fast, real-time kit for these mutations using the TaqMan probe method. MATERIALS AND METHODS This study included 100 individuals with beta-thalassemia or sickle ce...
Background: b-Thalassemia is a common autosomal recessive disorder in human caused by a defect in b-globin chain synthesis. The most common mutations causing b-Thalassemia have been found to be splicing mutations. Most of which activate aberrant cryptic splicing/sites without complete disruption of normal splicing. IVSI-110 mutation, a common splicing mutation, leads to a 90% reduction of norma...
BACKGROUND Mutations in β-globin gene may result in β-thalassemia major, which is one of the most common genetic disorders in Iran and some other countries. Knowing the beta-globin mutation spectrum improves the efficiency of prenatal diagnosis in the affected fetuses (major β-thalassemia) of heterozygote couples. METHODS Couples with high hemoglobin A(2) and low mean corpuscular volume were ...
OBJECTIVES The use of antisense oligonucleotides (AOs) to restore normal splicing by blocking the recognition of aberrant splice sites by the spliceosome represents an innovative means of potentially controlling certain inherited disorders affected by aberrant splicing. Selection of the appropriate target site is essential in the success of an AO therapy. In this study, in search for a splice m...
Mouse models that carry mutations causing thalassemia represent a suitable tool to test in vivo new mutation-specific therapeutic approaches. Transgenic mice carrying the β-globin IVSI-6 mutation (the most frequent in Middle-Eastern regions and recurrent in Italy and Greece) are, at present, not available. We report the production and characterization of a transgenic mouse line (TG-β-IVSI-6) ca...
A patient with homozygous p thalassemia of Germadtalian descent was found to be doubly heterozygous for the common IVSI-110 G -+ A mutation of the p globin gene and for a novel C -+ T mutation of the proximal CACCC-box of the p globin gene promoter at position -87 relativeto the transcription start site (cap). Transcription analysis in an HeLa cell transfection assay indicated a 45% to 51% resi...
background: mutations in β -globin gene may result in β-thalassemia major, which is one of the most common genetic disorders in iran and some other countries. knowing the beta-globin mutation spectrum improves the efficiency of prenatal diagnosis in the affected fetuses (major β-thalassemia) of heterozygote couples. methods: couples with high hemoglobin a 2 and low mean corpuscular volume we...
Objective(s): The use of antisense oligonucleotides (AOs) to restore normal splicing by blocking the recognition of aberrant splice sites by the spliceosome represents an innovative means of potentially controlling certain inherited disorders affected by aberrant splicing. Selection of the appropriate target site is essential in the success of an AO therapy. In this study, in search for a splic...
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