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Copy of Therapeutic Cloning: the Good and the Bad

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michael gilbert

on 26 November 2013

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Transcript of Copy of Therapeutic Cloning: the Good and the Bad

Therapeutic Cloning: the Good and the Bad
-(A) What is therapeutic cloning?
-(B) The benefits of therapeutic cloning to society
-(C) Ethical issues surrounding therapeutic cloning
The Pros
"Stem Cell Research and Transplantation: Science Leading Ethics"
Stem Cells and Health Care
Stem cells can be used to repair damaged organs, tissues and limbs (Bhatt, Court, Daar, Singer 2004)
What is Therapeutic Cloning?
The Standard Method:
1) genetic material is removed from egg cell
2) DNA from another cell is removed and injected in the egg
3) the egg is exposed to chemicals, growth factors, and often electronic current to stimulate division
4) after 3-4 days, the egg has grown into a ball of 100 cells called the blastocyst. It holds an inner cell mass that contains stem cells.
5) The stem cells are removed from the blastocyst
The Significance?
Megan Bayer
Charlotte Bartlett
Michael Gilbert
Shelby Sharpe

Biology 1006 The University of New Brunswick Tuesday, PM
Slide 1
OBJECTIVE: to evaluate both the positive and negative impacts of therapeutic cloning on society.
1) Therapeutic and reproductive cloning: a critique.
2) Stem cell research and transplantation: science leading ethics.
3) Ethical and social issues of embryonic stem cell technology.
Conclusion: is therapeutic good, bad, or both?
stem cell extraction from blastocyst
Major 2005
"Therapeutic and Reproductive Cloning: A Critique"
Why Stem Cells?
Mayoclinic.com 2012
Stem cells are undifferentiated cells that give rise to other cell types.
Bowring 2004
Bowring 2004
arizonapain.com 2013
Stem Cells and Diabetes
-Type 1 diabetes caused by insufficient to zero insulin production by Islet cells in the pancreas

-Insulin is not readily available to promote the uptake of glucose from the blood by the liver, muscles and fat tissue

-Consequently, the individual's blood sugar will be high, resulting in
increased thirst, frequent need to urinate, fatigue, blurred vision
and pain in hands, feet and legs.

Researchers at McGilll
were able to treat diabetic mice using stem cells!
Fayerman 2012
What About Humans?
-During transplantation, stem cells have the potential to become tumors

-Their safety must be established before they can be used on humans

-This will require further research
The Cons
"Ethical and Social Issues of Embryonic Stem Cell Technology"
Ethical Issues
- Destroying embryos
- Exploitation
- Inequality
-Therapeutic Cloning is a relatively new, exciting application of science

-Therapeutic Cloning has the potential to revolutionize healthcare

-There are many social and ethical issues surrounding therapeutic cloning

So... is it good or bad?
(Batt, Court, Daar, Singer 2004)
(Batt, Court, Daar, Singer 2004)
(Batt, Court, Daar, Singer 2004)
Bhatt A, Court E, Daar E, Singer PA. 2004. Stem cell research and translantation: science leading ethics. Transplant P. 36(8): 2504-2506
Bowring FF. 2004. Therapeutic and reproductive cloning: a critique. Soc Sci Med 58(2): 401-409
Cregan KK. 2005. Ethical and social issues of embryonic stem cell technology. Intern Med J. 35(2):126-127
Fayerman, Pamela. Canadian Scientists use stem cells to reverse diabetes in mice. Montreal Gazette. Postmedia Network. 27 June, 2012. 19 November 2013. www.montrealgazette.com

Full transcript