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  2. Sickle cell disease - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_disease

    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 ...

  3. Sickle cell trait - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_trait

    The sickle cell trait provides a survival advantage against malaria fatality over people with normal hemoglobin in regions where malaria is endemic. The trait is known to cause significantly fewer deaths due to malaria, especially when Plasmodium falciparum is the causative organism.

  4. Pleiotropy - Wikipedia

    en.wikipedia.org/wiki/Pleiotropy

    Photomicrograph of normal-shaped and sickle-shape red blood cells from a patient with sickle cell disease. Sickle cell anemia is a genetic disease that causes deformed red blood cells with a rigid, crescent shape instead of the normal flexible, round shape. [29] It is caused by a change in one nucleotide, a point mutation [30] in the HBB gene.

  5. Point mutation - Wikipedia

    en.wikipedia.org/wiki/Point_mutation

    Sickle-cell anemia is an autosomal recessive disorder that affects 1 in 500 African Americans, and is one of the most common blood disorders in the United States. [17] The single replacement of the sixth amino acid in the beta-globin, glutamic acid, with valine results in deformed red blood cells. These sickle-shaped cells cannot carry nearly ...

  6. Vaso-occlusive crisis - Wikipedia

    en.wikipedia.org/wiki/Vaso-occlusive_crisis

    A vaso-occlusive crisis is a common painful complication of sickle cell anemia in adolescents and adults. [1] [2] It is a form of sickle cell crisis.Sickle cell anemia – most common in those of African, Hispanic, and Mediterranean origin – leads to sickle cell crisis when the circulation of blood vessels is obstructed by sickled red blood cells, causing ischemic injuries.

  7. Normocytic anemia - Wikipedia

    en.wikipedia.org/wiki/Normocytic_anemia

    Hemolysis will often demonstrate poikilocytes specific to a cause or mechanism, e.g. bite cells and/or blister cells for oxidative hemolysis, acanthocytes for pyruvate kinase deficiency or McLeod phenotype, sickle cells for sickle cell anemia, spherocytes for immune-mediated hemolysis or hereditary spherocytosis, elliptocytosis for iron ...

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