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Can the presence of Y chromosomes in tissue play a part in trigger tissue rejection in opposite sex?

Can the presence of Y chromosomes in tissue after a tissue graft or transplant from a male to a female play a part in triggering tissue rejection other than other main factors? If so, how?
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0answers
20 views

Are immunosuppressors necessary after a bone marrow transplant for Bubble Boy Syndrome?

I know that under normal circumstances, immunosuppressors are needed to mitigate the host body's immune reaction to the graft. However, people suffering Bubble Boy Syndrome have pretty much no immune ...
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Plant part adaptation vs animals

I have seen nurseries selling plants that grow to trees bearing different fruits. Eg: A single plant that produces fruits of peach, plum, apricot,etc. Here is one website that advertises such trees. ...
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1answer
170 views

Is DNA replaced after organ donation?

If an organ from person A is transplanted to a new human body B, is it possible that we can detect A's DNA in B? How long until the organ's DNA is replaced by B's DNA so that we are no longer able to ...
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1answer
174 views

Head transplant feasibility - Project HEAVEN-GEMINI

There is a news circulating that in the next two years, Dr. Sergio Canavero, of the Turin Advanced Neuromodulation Group (TANG) in Italy, will perform the world's first head transplantation. A ...
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14 views

Acute rejection in transplantation

For direct recognition in Acute rejection (type IV hypersensitivity), is it true that the recipient’s T cell can basically recognize the host’s MHC allotype, without the need for high affinity ...
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1answer
22 views

Corneal transplant and HLA matching

Is HLA matching/ blood grouping required for corneal transplants ? I think,it shouldn't be, because cornea is avascular. I tried searching on the net but most of the references are old and ...
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2answers
309 views

Is organ transplantation race dependent?

I watched (IMHO canibalistic) movie "Seven Pounds" where protagonist donated many of his organs to other people and I noticed, that most recipients were black also as protagonist was. Is race really ...
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0answers
21 views

Tissue grafting in marine invertebrates

I'm trying to source a procedure for a transplanting tissue in regenerating polyps. Would anyone happen to know where I can find a method of adhering to donor to host tissue? Thanks
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1answer
69 views

Why does organ transplant work although it seems organ's motor neuron isn't connected to recipient's CNS

Although it seems impossible with current technology to connect organ's capillaries to the recipient's capillaries and its motor neuron to the CNS, transplanted organ works for years. But why?
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1answer
81 views

Is transplantation of neurons between species possible?

Can brain tissue from one species be implanted into the brain of another species? Because the brain is tolerant to the introduction of antigens (it is said to be immuno-privileged), I was wondering ...
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1answer
422 views

Retina Transplant Difficulties

Why is retina transplant not as easy as the normal eye donation and transplant (I think the latter involves the cornea ) ? This says that a new method has come up but why isnt the process similar and ...
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1answer
221 views

Is brain transplantation possible?

Many organs can be transplanted nowadays, including the liver, lungs and kidneys. Can the brain be transplanted?
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1answer
34 views

allogeneic organ transplant and the immune response

What happens when an allogeneic organ transplant is performed on an immunocompetent recipient vs. when it is performed on an immunosuppresed recipient using a donated organ with immunocompetent cells? ...
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2answers
77 views

Why will tissue from identical twin be rejected in some cases?

From Medline Plus : Also, transplants from one identical twin to another are almost never rejected. My question : Why can a tissue from an identical twin be rejected ?
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3answers
69 views

Anti-antibodies for preventing transplant rejection

Transplanted organs from the donor are attacked by antibodies from the recepient. So can't we construct anti-antibodies and destroy specifically those antibodies which are causing the rejections ? ...
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1answer
73 views

How do transplanted stem cells find their way to bone marrow?

Miraculously, transplanted stem cells find their way to the bone marrow missing the stem cells. How do they achieve this?
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1answer
75 views

Adaptability in immune system

I read somewhere that recently some people are trying to use harmless bacteria that live symbiotically in humans to express some portions of antigens of the harmful ones. Some people have raised ...