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Using animals organs for science is cruel, animal organs are different from human organs and the human body could reject it, some religions (eg: Islam) feel that some animals such as pigs are unclean and having a pig organ could go against their beliefs.. Any of that help?

The main issue is that they do not function correctly upon transplantation into humans. This is why the process of xenotransplantation (organs transplanted from animals to humans)is an incredibly rare procedure (especially these days when the risks are well known). The risks of rejection is much higher in xenotransplants, and there is the additional risk of passing on disease from animals to humans. Not to mention the most likely outcome, that the organ does not function correctly. Hence why allotransplants (human to human) are comparatively much safer and are the only type of transplants routinely performed by the medical community.

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11y ago
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11y ago

There are number of organs which can be transplanted from one human to another. You probably know that one person has to be as close as possible in blood type (for instance) to another. Actually blood transfusions are an good example of this. If you are B with Rh factor +, then your donor will also be B+.

Other examples of transplantation are livers, hearts, blood vessels, bone marrow, lungs, pancreas, intestines, tissues. The person must be as close as possible in blood type and tissue type for this to be a success.

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12y ago

None are currently being used. It is currently being researched how to genetically modify pigs to provide organs for human transplants. As far as I'm aware, no transplants have been carried out using those organs. Animals that have not been genetically modified cannot be used for human organ transplants - the organs do not match sufficiently.

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12y ago

Generally they're not used, since animal organs are not similar to human organs, so are not suitable for maintaining function within the human body.

In very rare circumstances they are used to try and bridge a gap until a human organ becomes available. They are never used as a long term solution (because they do not work long term).

Whether they should be used or not is practically irrelevant, since they cannot be used as a long term solution.

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12y ago

This is for research purposes, and is not yet commonplace in hospitals. The main reason for this is due to the shortage of human donors. To combat this, some laboratories try to recreate human organs by genetically modifying animals (pigs, usually), so that some of their organs grow with almost 'human' DNA. Obviously, if you need a transplant, growing the part you need with your own DNA will reduce the need for immunosuppressant drugs post-transplant, which reduces complications dramatically. This method may eventually allow a person to recreate the organ that they need, with their own DNA. Thus the need for human donors will reduce. This technique also lowers the likely-hood of organ rejection.

However actual (non-humanised) animal organs are rarely used for human transplants (they don't work well) and never used without explicit consent of the recipient. (They are only used as an experimental last resort).

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11y ago

I think that most people would consider that question to be ethically along the same lines as "Should animals be used in medical research?".

If anything, it seems ethically more "reasonable" to use their organs in transplants than to eat the animal, since eating the animal only provides fuel for a day or so, whereas an organ could give a human around 15 years of extra life (assuming the animal organs had a similar functioning life as a allograft transplant, which may prove to be a bad assumption). However some people will object to this view on the ground of "it involves genetic engineering" or "it puts the animal through unnecessary pain". Some people may just generally feel uncomfortable at the concept of having an animal organ keep them alive.

There are of course additional risks associated with xenograft transplants, however I suspect that under lab conditions necessary to perform the "humanizing" of animal organs, these risks have been accounted for. (E.g ensuring that animals are not carrying any diseases which could be spread to humans). Indeed, knowing that the animal was completely healthy is actually a huge advantage compared to trying to establish the complete medical (and sexual) history of a cadaverous human donor. The "humanizing" of the organs is designed to negate the additional rejection risks associated with "normal" xenograft transplants (i.e. non-humanized xenograft transplants).

If humanized-xenograft transplants worked as well as (or better) than allograft transplants, fewer people would die whilst waiting for a donor organ. They would also be able to schedule their surgery for a particular day. However, I have always wondered whether hospital transplant units would be able to cope if everyone waiting for a transplant were to receive one. (Even as it is, bed spaces, ITU spaces, surgeons, nurses and blood products seem to be a little stretched.) But I like to think that's just my cynicism, and I hope to be proven wrong.

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15y ago

* Normal lifestyle

* There is a vast shortage of human donors available for transplantation

* * moral, no one has to die for you to live.

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15y ago

No, because most of the time the animal organs will fail and kill the person.

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15y ago

And for it to remain functional? No. Most of our organs are made for humans only :)

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Q: What are the disadvantages of using animal organs for human transplants?
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Related questions

What is the proces of using animal organs for transplants in humans?

The theory of using animal organs in human transplants is called Xenotransplantation. (Whereas using human organs in human transplants is called Allotransplantation). Xenotransplants are incredibly rare, since the outcomes are nowhere near as good as allotransplants, and the risks are far greater.


How do animal rights feel about having animal transplants as human organs?

yes kill them all


What are some disadvantages of using animal organs for human transplants?

Unlike human-to-human transplants, the animals are generally slaughtered specifically to provide the organ.Bovine or porcine heart valves don't usually last as long as a mechanical valve. However, there is the advantage that you don't need to take cumadin (rat poison) for the rest of you life with an animal replacement.


Do animals have donor transplants?

Animal to animal transplants only ever occur for research purposes, not life-extension of family pets. However when researching for human transplants, many animal transplants have to be done.


Compare sheep organs with human organs?

Sheep organs and human organs are actually not that different from each other. They both have the same functions for the animal.


Was the first heart transplant from animal to human?

Yes. Dr. James Hardy did heart transplants on animals before human beings.


Who are stakeholders of animal cloning?

(This is a list of a few I could think of)Stakeholders who (most likely) Oppose: -Animal rights activists-Certain religious groupsStakeholders who (most likely) Support:-Wait-listed patients who need organs- Doctors who would rather not have to work with human to human transplants


Does every animal have the same organs as a human?

yes


What are the advantages and disadvantages of using animals as organ donors for humans should humans use other animals for organ transplants?

The advantages with using animal organs for transplants to human's (xenotransplantation) are that humans that are in need of an organ, will not have to wait as long. People who are on the donor list have to wait a long time for the organ they need, as blood type, size and the death of someone willing to donate their organs, need to be beared in mind. Hope this helps


What are the advantages and disadvantages of using animals as organ donors for humans should humans ues other animals for organ transplants?

Generally they're not used, since animal organs are not similar to human organs, so are not suitable for maintaining function within the human body. In very rare circumstances they are used to try and bridge a gap until a human organ becomes available. They are never used as a long term solution (because they do not work long term). Whether they should be used or not is practically irrelevant, since they cannot be used as a long term solution.


What are advantages and disadvantages of using xenotransplants?

Waiting lists for organs would be much shorter if animal organs were used frequently.


Are ovaries organs?

Ovaries are definitely considered organs. Ovaries are the sex organs found inside of a female animal such as a human.