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BIOTECHNOLOGY - Essay Example

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Briefly describe angiogenesis? Do you consider angiogenesis to be a form of tissue engineering? Why or why not? Give two examples of how we could use angiogenesis to treat disease, one by turning angiogenesis “on” and a second by turning angiogenesis “off.”
According…
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BIOTECHNOLOGY

Download file to see previous pages... In females, angiogenesis also occurs during the monthly reproductive cycle (to rebuild the uterus lining, to mature the egg during ovulation) and during pregnancy (to build the placenta, the circulation between mother and fetus).”
Angiogenesis is considered to be a form of tissue engineering since it meets the definition when it is used either synthetically or naturally to repair damage. That definition is, “Tissue engineering uses synthetic or naturally derived, engineered biomaterials to replace damaged or defective tissues, such as bone, skin, and even organs” (ATP, 2005).
Diseases could be treated by turning angiogenesis “on” in the case of a severe injury or in the case of coronary artery disease. Disease could be treated by turning angiogenesis “off” in the case of cancer or diabetic blindness (The Angiogenesis Foundation, 2008).
b. Compare necrosis and apoptosis. Describe how we could we take advantage of apoptosis in the treatment of disease? What would be the advantage(s) compared to traditional approached? Hint: Think cancer, hepatitis, etc.
According to MedicineNet (2008, pg. 1), necrosis is “The death of living cells or tissues. Necrosis can be due, for example, to ischemia (lack of blood flow).” According to CancerTherapy.net, “the P53 gene causes the abnormal cells to commit suicide.  This is called aptosis.” The main difference between these two is that necrosis is not planned and that aptosis is programmed by the body. Aptosis is a necessary part of human life and is not a bad thing, whereas necrosis is very negative.
Both occur naturally, but may be influenced by external factors. Aptosis may be used to treat diseases such as cancer or hepatitis since it is programmed cell death. It could kill off the diseased and bad cells without harming the good cells.
Cancer occurs when abnormal cells in the body begin to grow out of control. It is caused by DNA damage. There are many ...Download file to see next pagesRead More
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