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  2. Sickle cell trait - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_trait

    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 ...

  3. Sickle cell disease - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_disease

    The protective effect of sickle cell trait does not apply to people with sickle cell disease; in fact, they are more vulnerable to malaria, since the most common cause of painful crises in malarial countries is infection with malaria. People with sickle cell disease living in malarial countries should receive lifelong medication for prevention ...

  4. FDA approves cure for sickle cell disease, the first ... - AOL

    www.aol.com/news/fda-approves-cure-sickle-cell...

    December 8, 2023 at 1:19 PM. The Food and Drug Administration on Friday approved a powerful treatment for sickle cell disease, a devastating illness that affects more than 100,000 Americans, the ...

  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. The world's first gene therapy for sickle cell disease has ...

    www.aol.com/news/uk-becomes-1st-country-approve...

    Scientists believe being a carrier of the sickle cell trait helps protect against severe malaria. AP Science Writer Laura Ungar in Louisville, Kentucky contributed to this report.

  7. Amino acid replacement - Wikipedia

    en.wikipedia.org/wiki/Amino_acid_replacement

    This can lead to changes in protein structure or function, which can cause potentially lead to changes in phenotype, sometimes pathogenic. A well known example in humans is sickle cell anemia, due to a mutation in beta globin where at position 6 glutamic acid (negatively charged) is exchanged with valine (not charged).

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