That would make eggs the limiting factor in using nuclear transfer to treat human diseases.
However, xenotransplantation brings the risk of transplanting animal viruses and thus creating new human diseases.
Genome science ... will revolutionize the diagnosis, prevention and treatment of most, if not all, human diseases.
CNN: Leaders say discovery must be linked to responsible use
Most were tailor-made, engineered to carry specific genetic mutations to mimic human diseases and conditions like autism.
Mice make ideal models for scientific research of human diseases, since they are easy to manipulate genetically.
The new technique, called metagenomics, for studying bacteria, viruses and other bugs, shows promise for studying human diseases.
Many scientists believe embryonic stem cells have remarkable potential for treating human diseases.
Such thinking permits the design of drug molecules to treat complex human diseases or to modify other difficult biological disorders.
Michelson is convinced that someday the knowledge gained from the research will allow doctors to flip genetic switches to cure human diseases.
In this they resemble the three groups of coronaviruses already known to cause animal and human diseases, among them the common cold.
Because they are derived from human cells with human diseases, they are likely to be more effective than some forms of animal testing.
BBC: Embryonic stem cells can be turned into any kind of cell
But most publicly traded companies that wanted to utilize the technology that created Dolly planned to treat human diseases, such as diabetes and Alzheimer's.
Indeed, almost 140 genes implicated in human diseases such as hereditary deafness have recognisable relatives in Arabidopsis where their importance is, as yet, unknown.
Collins, at a recent genetics conference, argued that 6, 000 of the 7, 000 known human diseases are rare, and that together they affect as many as 30 million people.
"This encouraging example from progeria, one of the rarest of all human diseases, should give a shot in the arm to make this therapeutic story happen again and again, " he said.
Many believe that if a way can be found to grow and harvest these cells, they can be used as replacement tissue to combat a variety of human diseases and ailments, from diabetes to organ failure.
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Even if the idea of a little diarrhea or a urinary tract infection does not faze you (both of which can be caused by E. coli), the problem is that as strains of antibiotic-resistant bacteria become more commonplace in our lives, the less we are able to use the drugs to treat common human diseases.
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This category makes up nearly two-thirds of all human infectious diseases, including rabies, Ebola and malaria.
Once the genetic sequence of the zebrafish is known, scientists will be able to make changes to the animal's DNA to study how human inherited diseases might arise.
Blackburn, Carol W. Greider and Jack W. Szostak are credited with discovering how chromosomes are protected against degradation -- a field that could shed light on human aging and diseases, including cancer.
Also, the best human vaccines for other diseases tend to be those that use attenuated strains.
Proving vitamin D prevents nonbone diseases will require big human trials comparing vitamin D supplements with dummy pills.
Strohman said the human genome only explains rare inherited diseases, which represent only about 2-percent of all maladies that afflict mankind.
Intriguingly, changes to parts of the human genome may have made us prone to certain diseases.
O-GlcNAc is essential for human function, but also affects the development of diseases such as cancer, diabetes and dementia.
And a pair working on drugs to eliminate diseases that have plagued us for all of human history.
And to understand different diseases, they'll need to create lines from human embryos that suffer from a genetic disorder.
BBC: Embryonic stem cells can be turned into any kind of cell
Since all the DNA in the human body was first sequenced in 2000, some 4, 000 diseases with a known genetic basis have been identified, according to the National Institutes of Health.
Scientists and even some anti-abortion rights Republicans are urging the president to finance experiments on stem cells from human embryos, charging the research could lead to revolutionary treatments for diseases such as Parkinson's, diabetes and some forms of cancer.
He figured drugs stimulating the human version of sir2 (called sirt1) might harness natural defenses against diseases of aging.
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