US Surgeons Successfully , Transplant a Pig Kidney, Into a Human.br The BBC reports that U.S. surgeons claim to have made a transplant breakthrough that could help solve donor organ shortages.br The surgeons say they have successfully transplanted a pig's kidney into a human recipient.br According to the BBC, the human patient was brain-dead and already on artificial life support with no chance of recovery.br The transplanted kidney came br from a genetically-modified pig.br The genetic modifications to the pig br prevent the organ from being rejected.br The BBC points out that the work has br not yet been peer-reviewed or published.br Experts call the transplant procedure the most advanced experiment in the field so far.br We observed a kidney that basically br functioned like a human kidney transplant, br that appeared to be compatible in as much br as it did all the things that a normal br human kidney would do, Dr. Robert Montgomery, Lead investigator, via BBC.br It functioned normally, and did not appear to be undergoing rejection, Dr. Robert Montgomery, Lead investigator, via BBC.br According to the BBC, the FDA has approvedbr the use of the genetically-modified br pig organs for research in this field.br Animal to human transplantation has br been something that we have studied br for decades now, and it's really interesting br to see this group take that step forward, Dr.