xenotransplant造句

• Despite the advances, xenotransplant experts expect human organs to remain the preferred choice for patients.
• Kessler said each institution that carries out xenotransplants would be required to store such samples indefinitely.
• If the San Francisco researchers succeed against immense odds, demand for such xenotransplants could be huge.
• So scientists are breeding pigs _ the most likely species for xenotransplants _ specially tested against infections.
• _1964 : At the University of Mississippi, Dr . James Hardy attempts the first heart xenotransplant.
• Another obstacle facing xenotransplants is that of the body s rejection of foreign objects by its immune system.
• If nothing is found in the initial few xenotransplants, should monitoring continue for 500 or 1, 000?
• Novartis, a Swiss-based pharmaceutical giant, reportedly plans to spent $ 1 billion on xenotransplant research.
• The dispute has been a boon to animal rights activists seeking to persuade federal officials to stop xenotransplant research.
• Pigs are especially likely sources for xenotransplants, chosen for the anatomical and physiological characteristics they share with humans.
• Disproving that possibility, though, will be nearly impossible, so xenotransplants will always involve some apprehension and controversy.
• On 23 January 1964, xenotransplant by transplanting the heart of a chimpanzee into a desperately ill and dying man.
• Xenotransplants, as such cross-species operations are known, could be commonplace a decade from now, they say.
• In September 1996, the agencies released a draft guideline for xenotransplant research that included monitoring guidelines for animals and patients.
• After three days of debate, scientists reached no consensus, but some called for a national panel to control xenotransplants.
• America's Centers for Disease Control are about to pronounce on xenotransplants, but the guidelines are expected to be voluntary.
• But those who go so far as prohibiting all but pigs as sources for xenotransplants have not spoken publicly or in interviews.
• The specter that xenotransplants might contribute to the threat of new diseases pits the field of emerging diseases against that of xenotransplants.
• The specter that xenotransplants might contribute to the threat of new diseases pits the field of emerging diseases against that of xenotransplants.
• For such " xenotransplants " would be an open invitation for hitherto unknown animal diseases to transfer themselves to people.