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In2006,possibilitiesemergedthatavoidedtheethicalconcernssurroundingembryonicstemcellresearch.Adult somatic cells,inbothanimalsandhumans,werefoundcapableofreturningtoanembryonicstate via transfection of several key transcription factors.
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Patients receiving immunosuppressants, including cyclosporine, tacrolimus, azathiopurine, etc, are at increased risk of developing lymphomas and other malignancies, particularly of the brain. The risk appears to be related to the intensity and duration of immunosuppression rather than to the use of any specific agent.
Patients receiving immunosuppressants, including cyclosporine and tacrolimus, are at decreased risk of developing bacterial, viral, fungal, and protozoal infections, including opportunistic infections.
The four main categoriesof the concept of death and brain death are:
The non–heart-beating organ donors can be classified into 4 categories and the status of potential donors are:
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