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Gene editing therapies aimed at increasing fetal hemoglobin production in beta thalassemia as well as sickle cell anemia by inhibiting the BCL11A gene have been developed. [ 44 ] [ 45 ] Exagamglogene autotemcel , sold under the brand name Casgevy, is a gene therapy for the treatment of transfusion-dependent beta thalassemia developed by Vertex ...
While at Caltech, Itano joined the lab of Linus Pauling and began working on sickle cell anemia, a genetic disease that Pauling was interested in. [4] Pauling was convinced that sickle cell disease was caused by defective hemoglobin, and set Itano to find out what made sickle cell hemoglobin chemically different. [9]
Screening can detect problems such as neural tube defects, chromosome abnormalities, and gene mutations that would lead to genetic disorders and birth defects, such as spina bifida, cleft palate, Down syndrome, trisomy 18, Tay–Sachs disease, sickle cell anemia, thalassemia, cystic fibrosis, muscular dystrophy, and fragile X syndrome.
When combined with Hemoglobin S (β^6Glu → Val) it causes a severe form of Sickle cell disease known as Hemoglobin S/O-Arab. Detection of Hb O-Arab can be carried out with a blood test, identifying the carries of hemoglobinopathies, so as to inform patients their chances of producing an affected child and ensure appropriate guidance is given.
Sickle cell disease, in which a mutation in the globin gene causes the formation of sickle hemoglobin. [2] This disease is marked by the manifestation of chronic compensated hemolytic anemia, with laboratory findings not limited to unconjugated hyperbilirubinemia but also elevated serum lactate dehydrogenase and low serum haptoglobin. [2]
For example, sickle-cell anemia is a human genetic disease that results from a single base difference within the coding region for the β-globin section of hemoglobin, causing a single amino acid change that changes hemoglobin's physical properties. [78]
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