AQA GCSE Combined Science: Synergy · 8465
Specification 4.3.3.8 · Paper 1, Paper 2
Revise: Genetic ModificationOne difficulty is rejection: the recipient’s immune system may recognise the transplanted tissue as foreign and attack it.
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GCSE Combined Science · key term
An immune response against transplanted cells or tissues recognised as foreign, which can damage the transplant.
Used by AQA and OCR
Specification 4.3.3.8 · Paper 1, Paper 2
Revise: Genetic ModificationOne difficulty is rejection: the recipient’s immune system may recognise the transplanted tissue as foreign and attack it.
Specification B6.3p · Biology Paper 2
The destruction of transplanted cells or tissue by the recipient’s immune system because they are recognised as foreign.
Explain rejection in terms of the recipient’s immune system recognising donor-cell antigens as foreign.
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Lymphocytes then attack the transplanted cells, causing rejection. This can destroy the replacement tissue and prevent the treatment from working.