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Embryonic Stem Cell Research is Destructive


Will embryonic stem cells prove to be equally disappointing as many hoped for cures in modern history? No one knows. However, a tragic occurrence following one particular fetal tissue transplant for Parkinson's disease, when such was thought to be a cure, should give us pause. Some of the tissue placed in this man's brain may have been from an earlier gestational age than is customary in American clinical trials - that is, it may have been more embryonic than fetal in nature. Within two years after the transplant this man died mysteriously - and an autopsy revealed that masses of "nonneural tissue" such as skin and hair had filled the ventricles of his brain and cut off his breathing. Researchers theorized that this tissue may have remained "pluripotent" and differentiated uncontrollably to cause the patient's death.( R. Folkerth and R. Durso, "Survival and proliferation of nonneural tissues, with obstruction of cerebral ventricles, in a parkinsonian patient treated with fetal allografts," 46 Neurology 1219-25 (May 1996).

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