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Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited. [2] The most common type is known as sickle cell anemia. [2] It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [2] This leads to a rigid, sickle -like shape under ...
Hematology. Sickle cell trait describes a condition in which a person has one abnormal allele of the hemoglobin beta gene (is heterozygous), but does not display the severe symptoms of sickle cell disease that occur in a person who has two copies of that allele (is homozygous). Those who are heterozygous for the sickle cell allele produce both ...
DrugBank. DB15572. UNII. S53L777GM8. KEGG. D12749. Exagamglogene autotemcel, sold under the brand name Casgevy, is a gene therapy used for the treatment of sickle cell disease [1][3] and transfusion-dependent beta thalassemia. [1] It was developed by Vertex Pharmaceuticals and CRISPR Therapeutics.
In patients with sickle cell disease, red blood cells, which are usually disk-shaped, take on a crescent or sickle shape. This change can cause cells to clump together, leading to clots and ...
Because of a gene mutation, sickle cell anemia causes those red blood cells to break down early — taking a sickle or c-shape that carries less oxygen. It can lead to blocked blood flow, pain ...
Heterozygote advantage is a major underlying mechanism for heterosis, or "hybrid vigor", which is the improved or increased function of any biological quality in a hybrid offspring. Previous research, comparing measures of dominance, overdominance and epistasis (mostly in plants), found that the majority of cases of heterozygote advantage were ...
A sickle cell health crisis can escalate into life-threatening complications, but patients still struggle to get seen quickly in emergency rooms and also to get pain medicine.
James Van Gundia Neel (March 22, 1915 – February 1, 2000) was an American geneticist who played a key role in the development of human genetics as a field of research in the United States. He made important contributions to the emergence of genetic epidemiology [1] and pursued an understanding of the influence of environment on genes.