ANSWERS: 2
  • Non-genetic version of leukemia? Please clarify. As far as I know, leukemia is cancer, and cancer of some very specific blood cell producing cells found in the bone. Also, as a general rule, cancer is a cellular failure of particular cells to divide correctly either as a mechanical malfunction or a genetic miscode.
  • "Although scientists do not know for certain what causes leukemia, medical researches have identified a number of factors that may place a person at increased risk for leukemia. These risk factors include: 1. Exposure to high level radiation like: - Atomic bomb explosions - Nuclear power plan accidents (like Chernobyl accident) - Radiotherapy (during radiation therapy patients are exposed to high level radiation) People exposed to high level of radiation are more likely to develop leukemia. 2. Exposure to chemicals: Some of the chemicals that increase the risk for leukemia when present in the environment in high amounts and for long periods of time are: - Benzene (a clear, colorless and highly-flammable liquid with a sweet odor that can be found in small amounts in paints, glues, pesticides and gasoline, and is widely used in chemical industry), - Pesticides (chemicals used in agriculture to kill unwanted pests, insects, fungi, or microbes) or herbicides (chemicals used to kill or slow the growth of plants like weeds or brushes), and - Formaldehyde (a colorless, pungent, and irritating gas used in the manufacturing and chemical industries, and as a strong disinfectant and preservative by anatomists, embalmers, and pathologists). 3. Medical disorders: Several medical conditions can increase the risk for leukemia. - Genetic conditions, like Down Syndrome or other genetic disorders characterized by chromosomal abnormalities. - Non-genetic conditions, like myelodysplastic syndromes (a group of diseases characterized by an abnormal production of blood cells) or the infection with human T-cell leukemia virus-I (HTLV-I) 4. Medical treatments: Patients who were treated with certain chemotherapy drugs or radiation therapy are at higher risk to develop leukemia. 5. Smoking can increase the risk for leukemia. 6. Exposure to high-voltage power: Several researches suggest that long term exposure to electromagnetic fields from high-voltage power lines may be a risk factor for developing leukemia." Source: http://www.omnimedicalsearch.com/conditions-diseases/leukemia-causes-risk-factors.html So, if we are talking about a medical disorder, non-genetic versions of leukemia are: - myelodysplastic syndromes (a group of diseases characterized by an abnormal production of blood cells) - infection with human T-cell leukemia virus-I (HTLV-I) I suppose you were looking for the term "myelodysplastic syndromes" "The myelodysplastic syndromes (MDS, formerly known as "preleukemia") are a diverse collection of hematological conditions united by ineffective production of blood cells and varying risks of transformation to acute myelogenous leukemia. Anemia requiring chronic blood transfusion is frequently present. Although not truly malignant, MDS is nevertheless classified within the haematological neoplasms." Source and further information: http://en.wikipedia.org/wiki/Myelodysplastic_syndromes

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