Background information on stem cell research


Questions of ethics arise because embryos are destroyed as the cells are extracted, such as: When does human life begin? What is the moral status of the human embryo? Bush says he opposes any research that involves the destruction of embryos. President Clinton approves federal funding for stem cell research but Congress does not fund it.

How time affects the fate of stem cells

August 9, - President Bush announces he will allow federal funding for about 60 existing stem cell lines created before this date. January 18, - A panel of experts at the National Academy of Sciences NAS recommends a complete ban on human reproductive cloning, but supports so-called therapeutic cloning for medical purposes. February 27, - For the second time in two years, the House passes a ban on all cloning of human embryos.

July 11, - The President's Council on Bioethics recommends a four-year ban on cloning for medical research to allow time for debate. February - South Korean scientist Hwang Woo Suk publishes a study in Science announcing he has successfully created stem cell lines using therapeutic cloning. Hwang asks to have his paper withdrawn while his work is being investigated and resigns his post.

January 10, - An investigative panel from Seoul National University accuses Hwang of faking his research. July 18, - The Senate votes to loosen President Bush's limits on federal funding for embryonic stem-cell research.


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July 19, - President Bush vetoes the embryonic stem-cell research bill passed by the Senate the Stem Cell Research Enhancement Act of , his first veto since taking office. This will be the world's first test in humans of a therapy derived from human embryonic stem cells.

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The tests will use stem cells cultured from embryos left over in fertility clinics. March 9, - President Barack Obama signs an executive order overturning an order signed by President Bush in August that barred the NIH from funding research on embryonic stem cells beyond using 60 cell lines that existed at that time.

Lamberth issues a preliminary injunction that prohibits the federal funding of embryonic stem cell research. September 9, - A three-judge panel of the US Court of Appeals for the DC Circuit grants a request from the Justice Department to lift a temporary injunction that blocked federal funding of stem cell research.

They are stem cells found in the tissue and organs of organisms that have the potential to become their tissue of origin. Essentially, adult or somatic stem cells are tissue specific stem cells that will have a specific occupation within the organism, for example, embryonic stem cells that differentiate or become heart stem cells will form heart tissue. Such cells have the ability to replenish or maintain tissues that have a limited life span, such as skin and intestines.

FAQ's about Stem Cell Research

For example, the human intestine sheds and replaces billion cells daily by dividing stem cells that generate replacements for the short-lived cells. Differentiation is the process in which a cell, such as a stem cell, specializes in the creation or replenishing of cells in specific tissues or organs in the body. Excess fertilized eggs from in-vitro ferilization clinics, 2. Using IVF procedures with donated oocytes and sperm to make blastocysts for research, or 3.

Assisted Reproductive Technology or ART includes all treatments or procedures that involve the laboratory handling of human eggs and sperm for the purpose of fertilizing an egg and helping a woman become pregnant. What is a stem cell? Skip to main content.

Search form Search. Stem Cell Research. What are human embryonic stem cells and how are they obtained? How are adult stem cells different from embryonic stem cells?

About Stem Cells

Is it ethical to obtain stem cells from human fetuses and umbilical cords? Have scientists been successful in using non-embryonic stem cells to treat disease? Have scientists been successful in using embryonic stem cells to treat disease? What is the relationship between embryonic stem cell research and "therapeutic" cloning?

The truth about stem cell science

Why should we value the human embryo? Shouldn't it be ethical to allow the destruction of a few embryos in order to help the millions of people who suffer from diseases such as Parkinson's and heart disease? What does the law say and can I have a voice? Follow CBHD:.

Background information on stem cell research
Background information on stem cell research
Background information on stem cell research
Background information on stem cell research
Background information on stem cell research
Background information on stem cell research
Background information on stem cell research
Background information on stem cell research
Background information on stem cell research

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