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Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited. The most common type is known as sickle cell anemia. It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells.
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).
A sickle, bagging hook, reaping-hook or grasshook is a single-handed agricultural tool designed with variously curved blades and typically used for harvesting or reaping grain crops, or cutting succulent forage chiefly for feeding livestock. Falx was a synonym but was later used to mean any of a number of tools that had a curved blade that was ...
Due to underlying diseases that destroy the spleen (autosplenectomy), e.g. sickle-cell disease. Celiac disease: unknown physiopathology. In a 1970 study, it was the second most common cause of abnormalities of red blood cells linked to hyposplenism, after surgical splenectomy. Functional asplenia
Gene therapy is a medical technology that aims to produce a therapeutic effect through the manipulation of gene expression or through altering the biological properties of living cells. [1] [2] [3] The first attempt at modifying human DNA was performed in 1980, by Martin Cline, but the first successful nuclear gene transfer in humans, approved ...
Mendelian traits in humans. A 50/50 chance of inheritance. Sickle-cell disease is inherited in the autosomal recessive pattern. When both parents have sickle-cell trait (carrier), a child has a 25% chance of sickle-cell disease (red icon), 25% do not carry any sickle-cell alleles (blue icon), and 50% have the heterozygous (carrier) condition. [1]
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Linus Carl Pauling FRS ( / ˈpɔːlɪŋ / PAW-ling; February 28, 1901 – August 19, 1994) [4] was an American chemist, biochemist, chemical engineer, peace activist, author, and educator. He published more than 1,200 papers and books, of which about 850 dealt with scientific topics. [5] New Scientist called him one of the 20 greatest ...
The acute chest syndrome is a vaso-occlusive crisis of the pulmonary vasculature commonly seen in people with sickle cell anemia. This condition commonly manifests with a new opacification of the lung(s) on a chest x-ray.
Harvey Akio Itano (Japanese: ハーベイ・アキオ・イタノ, November 3, 1920 – May 8, 2010) was an American biochemist best known for his work on the molecular basis of sickle cell anemia and other diseases.