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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

    Sickle cell disease is a blood disorder wherein there is a single amino acid substitution in the hemoglobin protein of the red blood cells, which causes these cells to assume a sickle shape, especially when under low oxygen tension.

  4. Pleiotropy - Wikipedia

    en.wikipedia.org/wiki/Pleiotropy

    Sickle cell anemia is a classic example of the mixed benefit given by the staying power of pleiotropic genes, as the mutation to Hb-S provides the fitness benefit of malaria resistance to heterozygotes as sickle cell trait, while homozygotes have significantly lowered life expectancy—what is known as "heterozygote advantage". Since both of ...

  5. U.S. approves two sickle cell gene therapies, which doctors ...

    www.aol.com/news/u-approves-two-sickle-cell...

    Sickle cell disease is a rare, debilitating and life-threatening blood disorder with significant unmet need,” the FDA’s Dr. Nicole Verdun said in a statement announcing the approvals.

  6. Sickle cell-beta thalassemia - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell-beta_thalassemia

    Sickle cell-beta thalassemia is caused by inheritance of a sickle cell allele from one parent and a beta thalassemia allele from the other. Mutations. A sickle allele is always the same mutation of the beta-globin gene (glutamic acid to valine at amino acid six). In contrast, beta-thalassemia alleles can be created by many different mutations ...

  7. Vaso-occlusive crisis - Wikipedia

    en.wikipedia.org/wiki/Vaso-occlusive_crisis

    Neuropathic pain, hyperalgesia, osteomyelitis. 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 ...

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