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  2. Antagonistic pleiotropy hypothesis - Wikipedia

    en.wikipedia.org/wiki/Antagonistic_pleiotropy...

    An example of this is sickle cell anaemia, which results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [17] Possessors of the deleterious allele have much lower life expectancies, with homozygotes rarely reaching 50 years of age. However, this allele also enhances resistance to malaria. Thus, in regions ...

  3. Gene therapy - Wikipedia

    en.wikipedia.org/wiki/Gene_therapy

    In humans, the use of hydroxyurea to stimulate the production of HbF temporarily alleviates sickle cell symptoms. The researchers demonstrated this treatment to be a more permanent means to increase therapeutic HbF production.

  4. Hemoglobin A - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_A

    In addition, there is sickle cell trait (HbAS) which is defined by having HbA and HbS. This makes the individual heterozygous for sickle cell. Of the world population, it is estimated that there are about 300 million individuals with the sickle cell trait and about 100 million of those are in sub-Saharan Africa. [18]

  5. Human genetic enhancement - Wikipedia

    en.wikipedia.org/wiki/Human_genetic_enhancement

    In every genetic based study conducted for humanity, studies must be carried out in accordance with the ethics committee approval statement, ethical, legal norms and human morality. CAR T cell therapy, which is intended to be a new treatment aims to change the genetics of T cells and transform immune system cells that do not recognize cancer ...

  6. CRISPR gene editing - Wikipedia

    en.wikipedia.org/wiki/CRISPR_gene_editing

    CRISPR-Cas9. CRISPR gene editing (CRISPR, pronounced / ˈ k r ɪ s p ə r / "crisper", refers to "clustered regularly interspaced short palindromic repeats") is a genetic engineering technique in molecular biology by which the genomes of living organisms may be modified.

  7. Thalassemia - Wikipedia

    en.wikipedia.org/wiki/Thalassemia

    Thalassemias are inherited blood disorders that result in abnormal hemoglobin. [7] Symptoms depend on the type of thalassemia and can vary from none to severe. [1] Often there is mild to severe anemia (low red blood cells or hemoglobin) as thalassemia can affect the production of red blood cells and also affect how long the red blood cells live. [1]

  8. Hypochromic anemia - Wikipedia

    en.wikipedia.org/wiki/Hypochromic_anemia

    Note the increased central pallor of the red blood cells. Hypochromic anemia is a generic term for any type of anemia in which the red blood cells are paler than normal. (Hypo- refers to less, and chromic means colour.) A normal red blood cell has a biconcave disk shape and will have an area of pallor in its center when viewed microscopically.

  9. Fetal hemoglobin - Wikipedia

    en.wikipedia.org/wiki/Fetal_hemoglobin

    Fetal hemoglobin, or foetal haemoglobin (also hemoglobin F, HbF, or α 2 γ 2) is the main oxygen carrier protein in the human fetus.Hemoglobin F is found in fetal red blood cells, and is involved in transporting oxygen from the mother's bloodstream to organs and tissues in the fetus.

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