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  2. Glucose-6-phosphate dehydrogenase deficiency - Wikipedia

    en.wikipedia.org/wiki/Glucose-6-phosphate_de...

    Most individuals with G6PD deficiency are asymptomatic.When it induces hemolysis, it is usually is short-lived. [5]Most people who develop symptoms are male, due to the X-linked pattern of inheritance, but female carriers can be affected due to unfavorable lyonization or skewed X-inactivation, where random inactivation of an X-chromosome in certain cells creates a population of G6PD-deficient ...

  3. Heterozygote advantage - Wikipedia

    en.wikipedia.org/wiki/Heterozygote_advantage

    Sickle-cell anemia (SCA) is a genetic disorder caused by the presence of two incompletely recessive alleles. When a sufferer's red blood cells are exposed to low-oxygen conditions, the cells lose their healthy round shape and become sickle-shaped. This deformation of the cells can cause them to become lodged in capillaries, depriving other ...

  4. Overdominance - Wikipedia

    en.wikipedia.org/wiki/Overdominance

    An example of overdominance in humans is that of the sickle cell anemia. This condition is determined by a single polymorphism. Possessors of the deleterious allele have lower life expectancy, with homozygotes rarely reaching 50 years of age. However, this allele also yields some resistance to malaria. Thus in regions where malaria exerts or ...

  5. Asplenia - Wikipedia

    en.wikipedia.org/wiki/Asplenia

    Due to underlying diseases that destroy the spleen (autosplenectomy), e.g. sickle-cell disease. Celiac disease: unknown physiopathology. [6] In a 1970 study, [7] it was the second most common cause of abnormalities of red blood cells linked to hyposplenism, after surgical splenectomy.

  6. Renal medullary carcinoma - Wikipedia

    en.wikipedia.org/wiki/Renal_medullary_carcinoma

    Renal medullary carcinoma is a rare type of cancer that affects the kidney.It tends to be aggressive, difficult to treat, and is often metastatic at the time of diagnosis. . Most individuals with this type of cancer have sickle cell trait or rarely sickle cell disease, suggesting that the sickle cell trait may be a risk factor for this type of ca

  7. Pyruvate kinase deficiency - Wikipedia

    en.wikipedia.org/wiki/Pyruvate_kinase_deficiency

    The cell shrinks and cellular death occurs, this is called 'dehydration at cellular level'. [ 2 ] [ 14 ] This is how a deficiency in pyruvate kinase results in hemolytic anaemia, the body is deficient in red blood cells as they are destroyed by lack of ATP at a larger rate than they are being created.

  8. Hemoglobin C - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_C

    It is possible for a person to have both the gene for hemoglobin S (the form associated with sickle cell anemia) and the gene for hemoglobin C; this state is called hemoglobin SC disease, and is generally more severe than hemoglobin C disease, but milder than sickle cell anemia. [2]

  9. Race and health in the United States - Wikipedia

    en.wikipedia.org/wiki/Race_and_health_in_the...

    While 65-year-old black men had a lower total life expectancy (11.4 years) and active life expectancy (10 years) than white men (total life expectancy, 12.6 years; active life expectancy, 11.2 years), those differences were reduced when controlling for education.