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Beta thalassemia trait (also known as beta thalassemia minor) involves heterozygous inheritance of a beta-thalassemia mutation and patients usually have microcytosis with borderline hypochromic anemia and they are usually asymptomatic or have mild symptoms. [8] Beta thalassemia minor can also present as beta thalassemia silent carriers; those ...
Alpha thalassemia is caused by deficient production of the alpha globin component of hemoglobin, while beta thalassemia is a deficiency in the beta globin component. [7] The severity of alpha and beta thalassemia depends on how many of the four genes for alpha globin or two genes for beta globin are faulty. [2]
Hemoglobin E/ beta thalassemia: common in Cambodia, Thailand, and parts of India, it is clinically similar to β thalassemia major or β thalassemia intermedia. [34] Hemoglobin S/ beta thalassemia: common in African and Mediterranean populations, it is clinically similar to sickle-cell anemia. [35] Delta-beta thalassemia is a rare form of ...
[1] [2] Regular transfusion is required to reduce the symptoms of anemia by increasing functional red blood cells and hemoglobin count. Symptoms may vary based on the severity of the condition and the most common symptom is fatigue. [3] Various diseases can lead to transfusion-dependent anemia, most notably myelodysplastic syndromes (MDS) and ...
Thalassemia is an inherited condition that has variants in alpha or beta globin genes that result in lower levels of globin chains required to make hemoglobin, resulting in alpha thalassemia or beta thalassemia, respectively. [3] Diagnosis is made by DNA analysis for alpha thalassemia and hemoglobin analysis for beta thalassemia. [3]
Hemoglobin E/β-thalassemia is a severe disease, and it still has no universal cure. However, the mutation is amenable to genome editing at high efficiency in preclinical studies. [ 6 ] It affects more than a million people in the world. [ 7 ]
The normal hemoglobin types are Hemoglobin A (HbA), which makes up 95–98% of total hemoglobin in adults, Hemoglobin A2 (HbA2), which constitutes 2–3% of total hemoglobin in adults, and Hemoglobin F (HbF), which is the predominant hemoglobin in the fetus during pregnancy, and may persist in small amounts in adults.
Beta-thalassemia: D56.1: 3087: Beta-thalassemia (β-thalassemia) is an autosomal dominant blood condition that results in the reduction of hemoglobin production. The cause for the disorder is related to a genetic mutation of the HBB gene. This gene is responsible for providing the instructions to produce beta-globin; one of the major components ...