Embryo research: what is at stake? (News in Brief: Canada).Ottawa--The Government of Canada's proposed legislation governing assisted human reproduction must be opposed for the following reasons: The Act allows a person, under the authority of a licence issued by the Minister of Health, to perform the following "controlled" activities: * To use human reproductive material for the purpose of research, or the prevention, diagnosis, or treatment of disease or disability, or for the creation of an embryo, or to facilitate human reproduction. Human reproductive material includes: sperm, ovum, or other human cells, human gene, or an in-vitro embryo, and includes any part of them. An embryo can be created from an invitro embryo by separating a stem cell stem cell In living organisms, an undifferentiated cell that can produce other cells that eventually make up specialized tissues and organs. There are two major types of stem cells, embryonic and adult. (blastomere blastomere /blas·to·mere/ (blas´to-mer) one of the cells produced by cleavage of a zygote. blas·to·mere n. ) from an early embryo. This stem cell can sometimes change and become a zygote zygote: see reproduction. , a new human being, and an identical twin of the embryo from which it came. * To use an in-vitro embryo for the purpose of research. * To create a chimera (a human embryo into which a non-human cell has been introduced, or a non-human embryo into which a human cell has been introduced) for any purpose, including research. The Act allows the use of stem cells stem cells, unspecialized human or animal cells that can produce mature specialized body cells and at the same time replicate themselves. Embryonic stem cells are derived from a blastocyst (the blastula typical of placental mammals; see embryo), which is very young obtained from a human in vitro in vitro /in vi·tro/ (in ve´tro) [L.] within a glass; observable in a test tube; in an artificial environment. in vi·tro adj. In an artificial environment outside a living organism. embryo for the purpose of research. Retrieval of these cells kills the embryo. It is a scientific fact, established over a century ago, and attested to in the current scientific literature, that a human being comes into existence at fertilization fertilization, in biology, process in the reproduction of both plants and animals, involving the union of two unlike sex cells (gametes), the sperm and the ovum, followed by the joining of their nuclei. . The one-cell embryo created at that time is already an innocent member of the human species, who has a fundamental inherent right as such to be cared for and not harmed or killed for any reason whatsoever. The killing of a human embryo is therefore an unjustifiable homicide, and is as morally reprehensible rep·re·hen·si·ble adj. Deserving rebuke or censure; blameworthy. See Synonyms at blameworthy. [Middle English, from Old French, from Late Latin repreh as murder. The licensing, control, or regulation of human embryo research makes no more moral sense than the licensing, control, or regulation of murder (see Editorial and Brosso letter, p.3 and p.5). |
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