Should aborted foetuses be used for stem cell research?

Development of an embryo in the mothers womb
Development of an embryo in the mothers womb

Controversy over Planned Parenthood's supplying foetal tissue for research has focused attention on a little-discussed aspect of science.

Some of the organisation's affiliates, in fewer than five states, provide the tissue. That's not illegal and the organisation says it has done nothing improper.

But covertly recorded videos about the practice, released by an anti-abortion group, have spurred a U.S. Senate bill to cut off federal funding for the organisation.

Republican leaders say the measure will be voted on before the August 2015 recess.

Read: Planned Parenthood says no profit from foetal organs, via News24 

What is foetal tissue used for?

Tissue from elective abortions and miscarriages is used for a wide variety of purposes. Scientists who want to regenerate organs and tissues may use it to learn how the human body makes them in the first place.

Others look for defects in early development that can cause disease or miscarriage, or study normal development, which can guide therapeutic strategies. The tissue is also used to learn how medicines or toxins affect a foetus.

Is using foetal tissue a new idea?

Hardly. Scientists have worked with it since the 1930s.

The 1954 Nobel Prize in medicine was awarded for work with foetal tissue that led to developing a vaccine against polio. The National Institutes of Health spent R 95 million ($76 million) on human foetal tissue research in fiscal 2014.

Watch Planned Parenthood apologises for official's comments on foetal tissue:

Read: Planned Parenthood attacked in second video on fetal tissue use, via News24

Which diseases are being studied today?

AIDS and muscular dystrophy are examples. Some experimental treatments for spinal cord injury and macular degeneration involve transplanting foetal cells into patients.

And European researchers recently began a study of putting foetal tissue into patients' brains to treat Parkinson's disease, a strategy that has had mixed results in the past.

How is the tissue provided?

It comes from hospitals and abortion clinics. Sometimes it goes directly to researchers, and in other cases it is handled by non-profit organisations or companies that supply researchers.

Can foetal tissue be sold for profit?

No, that's a felony. Organisations or companies that supply the tissue can be reimbursed for expenses associated with costs like processing and storing the tissue, federal law says. 

Emergency hearing scheduled regarding foetal tissue: 

Do women have to agree to using the tissue for research?

Yes, she has to give consent. And the matter can't be raised until after she has decided to have an abortion.

Can't researches just use stem cells instead?

Stem cells, including those obtained with adult donors, can develop into a variety of tissues in the lab. The European researchers in the Parkinson's study and others hope to learn enough to use them someday for transplant tissue.

Experts say stem cells have already substituted for foetal tissue for some purposes, but that scientists still need foetal tissue to learn basic information about how organs form, or help them simulate certain diseases in the test tube.

Read more:

Should you have the right to sell your organs for profits? 

The dark world of internet kidney trafficking

Backstreet abortions: Why is it still happening? 

Image: Image of some cells from Shutterstock

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