stem cells & cloning 3/23/05 bio ethics timeline and controversies

18
Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Upload: derrick-ward

Post on 16-Dec-2015

215 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Bio EthicsTimeline and

Controversies

Page 2: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

What is Bio-Ethics?

• The study of the ethical and moral implications of new biological discoveries and biomedical advances, as in the fields of genetic engineering and drug research

• Examples?

Page 3: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Why Bioethics?

Page 4: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Current Bioethical Issues

Check the local news paper Stem cells (state, national, international) Genetically Engineered Organisms Knowing your genes In vetro fertilization – choosing your child's

genes and characteristics Chemicals exposures – human health Environmental health

Page 5: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

“The Commons”

The Tragedy of the CommonsBy Garrett Hardin, Science, 1968

Page 6: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

"Biology combined with diverse humanistic knowledge forging a

science that sets a system of medical and environmental

priorities for acceptable survival.“Global Bioethics (1988)

Bioethics

-------- 1911 - 2001 --------

Van Rensselaer Potter

Page 7: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

1860’s - Scientific method in medicine, Gregor Mendel

1928 - Penicillin discovered – widely used WWII

1920’s - Lead in gasoline, lead in paint

1931 - 30 states had sterilization laws on books

1932 - Tuskegee syphilis study initiated

1947 - Nuremberg - The Doctors Trial

1952 - First open heart surgery & Chlorpromazine

1953 - Structure of DNA – Watson & Crick

60’s - Thalidomide, mercury, chronic hemodialysis, amniocentesis, informed consent, IRB’s

70’s - Hastings Center founded, bioethics defined, Tuskegee noticed

Ethics and Science

Page 8: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

1973 – Roe V. Wade Unrestricted access to abortion

1978- First Test Tube ever born

80’s - Recombinant microorganism could be patented, lead is harmful to developing brain

90’s - molecular biology, sequencing of human genome (other species), Jurassic Park

1996- Dolly the sheep is the first Mammal ever cloned

00’s - US stem cell research restricted

2003- Human Genome project complete

? - Human cloned?

Ethics and Science

Page 9: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Human Clones?

Are there human clones?

Yes – Identical Twins(Time 2.19.01)

Page 10: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Cloning Defined

• What is cloning?• Asexual reproduction

• Examples?• Bacteria, fungus• Plants – cutting – potato• Farm animals

Page 11: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Cloning Dolly

1997 - 2003

(Roslin Institute http://www.roslin.ac.uk/library/)

Page 12: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Cloning A Sheep

(Roslin Institute http://www.roslin.ac.uk/library/)

Page 13: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

IVF – In Vitro Fertilization Baby conceived in a test tube and

implanted in a Uterus Available since 1986 About 100,000 IVF kids in U.S. Often creates extra embryos some

would like to use for Stem Cell research.

U.S. - About 400,000 frozen embryos (unregulated)

England – 52,000 (regulated by government)

Page 14: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Controversies:

Should a mother be legally liable for drinking or doing drugs while pregnant? This of course would cause harm to their unborn child.

Opinion?

Page 15: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Controversies:

• Should you be allowed to genetically modify your children before they are born to prevent disease?

• What about to change eye color, make them taller, stronger, smarter, better behaved?

• Opinion:

Page 16: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Controversies:

• Should college students be forced to get the meningitis vaccine?

• Opinion

Page 17: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Controversies:

• Should food and chemical corporations genetically modify food to yield more product, make food more nutritious, or make food taste better? Would you eat this food?

• Opinion

Page 18: Stem Cells & Cloning 3/23/05 Bio Ethics Timeline and Controversies

Stem Cells & Cloning 3/23/05

Controversies:

• Should people be allowed to sell their extra kidney or a portion of their liver to a person in need of a transplant? This is currently illegal

• Opinion