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  2. Heterozygote advantage - Wikipedia

    en.wikipedia.org/wiki/Heterozygote_advantage

    The pathogen that causes the disease spends part of its cycle in the red blood cells and triggers an abnormal drop in oxygen levels in the cell. In carriers, this drop is sufficient to trigger the full sickle-cell reaction, which leads to infected cells being rapidly removed from circulation and strongly limiting the infection's progress.

  3. Recent human evolution - Wikipedia

    en.wikipedia.org/wiki/Recent_human_evolution

    This disease attacks humans early in life. Thus humans who are resistant enjoy a higher chance of surviving and reproducing. While humans have evolved multiple defenses against malaria, sickle cell anemia—a condition in which red blood cells are deformed into sickle shapes, thereby restricting blood flow—is perhaps the best known. Sickle ...

  4. 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 ...

  5. Hemoglobin subunit beta - Wikipedia

    en.wikipedia.org/wiki/Hemoglobin_subunit_beta

    In human, the HBB gene is located on chromosome 11 at position p15.5.. Hemoglobin subunit beta (beta globin, β-globin, haemoglobin beta, hemoglobin beta) is a globin protein, coded for by the HBB gene, which along with alpha globin (), makes up the most common form of haemoglobin in adult humans, hemoglobin A (HbA). [5]

  6. 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.

  7. Red blood cell - Wikipedia

    en.wikipedia.org/wiki/Red_blood_cell

    Red blood cells (RBCs), referred to as erythrocytes (from Ancient Greek erythros 'red' and kytos 'hollow vessel', with -cyte translated as 'cell' in modern usage) in academia and medical publishing, also known as red cells, [1] erythroid cells, and rarely haematids, are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O 2) to the body tissues—via ...

  8. Stem cell lineage database - Wikipedia

    en.wikipedia.org/wiki/Stem_cell_lineage_database

    Sickle cell anemia. In one experiment, they used a chimera of mouse and human stem cells to address sickle cell anemia treatment. There are still many issues that need to be addressed before performing stem cell therapeutic techniques on humans, but advancements are being made in model organisms with homologous structures.

  9. Spindle cell sarcoma - Wikipedia

    en.wikipedia.org/wiki/Spindle_cell_sarcoma

    Spindle cell sarcoma in muscle tissue Spindle cell sarcoma is a type of connective tissue cancer . The tumors generally begin in layers of connective tissue , as found under the skin, between muscles, and surrounding organs, and will generally start as a small, inflamed lump, which grows in size.

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