نتایج جستجو برای: β thalassemia
تعداد نتایج: 195979 فیلتر نتایج به سال:
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...
35 unrelated individuals were studied for characterization as either heterozygous or homozygous for beta-thalassemia. Molecular analysis was done by PCR/RFLP to detect the mutations most commonly associated with beta-thalassemia (β(0)IVS-I-1, β(+)IVS-I-6, and β(0)39). In the patients who showed none of these mutations, the beta-globin genes were sequenced. Of the 31 heterozygous patients, 13 (4...
Mục tiêu nghiên cứu: Mô tả đặc điểm huyết học và tỷ lệ lưu hành gen bệnh tan máu bẩm sinh (thalassemia) của người dân từ 15 – 20 tuổi tại tỉnh Cao Bằng. Phương pháp cắt ngang có phân tích trên đối tượng là 355 Bằng tháng 9/2021 đến 1/2023. Kết quả Tỷ thiếu chung ở 15-20 19,1%; mức độ nặng 1,4%, vừa 7,6%, nhẹ 10,1%; hồng cầu nhỏ nhược sắc 24,8%; sắt đơn thuần 1,4%; 4,2%, bất thường tố 6,2% theo ...
Background. The mechanism of stroke in beta-thalassemia was reported previously as cardioembolic and hypercoagulable state. However, there is no report of watershed infarct in beta-thalassemia anemia. Method. We present an adult β-thalassemia major patient with manifest asymptomatic chronic left carotid occlusion who suffered watershed infarct. Result. In the presence of asymptomatic chronic le...
Lipoprotein-associated phospholipase A(2) (Lp-PLA(2)) is an independent cardiovascular risk factor. We investigated the plasma levels of Lp-PLA(2) activity and mass as a function of plasma lipid levels, LDL subclass profile, and oxidative stress in patients with β-thalassemia. Thirty-five patients with β-thalassemia major (β-TM) and 25 patients with β-thalassemia intermedia (β-TI) participated ...
Gene transfer for β-thalassemia requires gene transfer into hematopoietic stem cells using integrating vectors that direct regulated expression of β globin at therapeutic levels. Among integrating vectors, oncoretroviral vectors carrying the human βglobin gene and portions of the locus control region (LCR) have suffered from problems of vector instability, low titers and variable expression. In...
In β-thalassemia, certain mutations cause a complete absence of β-globin chain synthesis, termed β0-thalassemia, while others may allow certain β-globin production and are termed β+- or β++-thalassemia. The homozygous state results in severe anemia, which requires regular blood transfusion. By contrast, frequent blood transfusion can in turn lead to iron overload, which may result in several en...
The hereditary persistence of fetal hemoglobin (HPFH) and delta beta thalassemia are heterogeneous disorders characterised by increased levels of fetal hemoglobin and high level of this Hb continues in adulthood. The distinction between these two conditions is not always possible with routine hematologic analysis and molecular characterisation of the defect is required. We encountered such a ra...
Hemoglobinopathies are the most common single gene disorders worldwide with a considerable frequency in certain area particularly Mediterranean and Middle Eastern countries. Hemoglobinopathies include structural variants of hemoglobin (Hb S, Hb C, HbE,…) and thalassaemias which are inherited defects in the globin chains synthesis. The present study was conducted to determine the prevalence of h...
The objective of this study was to investigate the therapeutic biological mechanism of Yisui Shengxue Granule (YSSXG), a complex Chinese medicine, on the hemolysis and anemia of erythrocytes from patient with thalassemia disease. Sixteen patients with thalassemia (8 cases of α-thalassemia and 8 cases of β-thalassemia) disease were collected and treated with YSSXG for 3 months. The improvements ...
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