Stem Cell Research Articles
Scientists Study Impact of Adult Stem Cell Research
New research says studying both adult and embryonic stem cells can benefit medical science, but banning the study of either type could harm studies of the other.
Researchers from the University of Michigan , Stanford University and the Mayo Clinic in Rochester, Minn. recently investigated whether the increased number of studies with a certain type of adult stem cell has changed the overall course of research in the field.
The researchers analyzed more than 2,000 scientific papers and found adult stem cells are not replacing human embryonic stems cells in the laboratory. Instead, the two cell types have proven to be complementary and any disruption of federal funding, they say, would negatively impact stem cell research overall.
"This is an important study that systematically examines the co-authorship networks of stem cell research articles and uses those to understand the interactions between two complementary areas of research," says Julia Lane, program director for Science of Science & Innovation Policy at the National Science Foundation (NSF), which funded the study.
"It is particularly interesting because it uses new analytical techniques to advance our understanding of how the implementation of policy in one area can affect scientific research in another area."
The research appears in the June 9 journal Cell .
"The incentives to use both types of cell in comparative studies are high," says Jason Owen-Smith, a sociologist at University of Michigan. He notes the science behind adult stem cells that can be "reprogrammed," called human induced pluripotent stem cells (hiPSCs), is still in its infancy, having become widely available in 2007.
"As a result, induced pluripotent stem cells do not offer an easy solution to the difficult ethical questions surrounding embryonic stem cell research," he says.
Pluripotent stem cells are those capable of differentiating into any type of tissue, hence the attractiveness of embryonic stem cells, or hESCs, also called ES cells, which are also pluripotent.
The researchers examined stem cell research papers published between 1998 and 2010. They found the proportion of papers using human adult and human embryonic stem cells together is growing faster than those using adult stem cells alone.
In 2008, only 15 or 5.1 percent of all papers examined in the study reported using adult stem cells, and only three of those papers combined the use of human adult and human embryonic stem cells. By 2010, some 161 of 574 or 28 percent of papers reported on studies of both cell technologies, and 62.1 percent of those papers paired adult and embryonic cell lines.
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"This is an important study that systematically examines the co-authorship networks of stem cell research articles and uses those to understand the interactions between two complementary areas of research," says Julia Lane, program director for Science
Take the promise that underlies the current goals inherent in stem cell research, for instance. Dr. Hans Keirstead, a renowned UC Irvine scientist, believes cells culled from a fertilized human egg that can grow into any type of cell in the body are a
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The world's first stem cell bank officially opened | Health for ...
Technology channels () report: United Kingdom ratified the world’s first stem cell bank to the national scientists with embryonic stem cells, but the prohibition is used to test the human cloning
United Kingdom Government to the United Kingdom’s stem cell bank green light for the first time, allows the Bank to scientists from around the world or laboratory research on embryonic stem cells.
External supply of stem cells
United Kingdom in 2003 established the world’s first stem cell Bank, is designed to store various types of stem cells. The Bank of the United Kingdom Medical Research Council, is the world’s first stem cell Bank together Canadians.
18 the meeting by the United Kingdom Government consists of the United Kingdom Institute for biological standards and control. The meeting discussed by scientists all agree, first ratified six can supply of embryonic stem cells. Next, the meeting also approved the Bank will offer including adult stem cells, and other types of stem cells.
Prohibition of the use of human cloning
It also provides that the application is stem cell scientists must ensure that cannot be cloned human testing.
At present there are about 50 organizations demand the application of stem cells, they mostly come from the United Kingdom, there are few institutions from Spain, Israel and Turkey. It is learnt that the Bank will be the end of this month on parts inventory allocation of stem cells, and made available to these institutions.
Stem cell bank will also seek ways to obtain and store embryos. There is a Special Committee is responsible for collecting embryos, and about 40 offers in embryo of institutions to establish a cooperative relationship, most of which come from the United Kingdom national, there are 17 body from Harvard University, as well as three institutions from Australia.
Resolution raises controversy
In the past, many scientists are obtained from the other laboratories to embryo, or 5000 a price to buy. For this new resolution, stem cell bank manager Charles · Khanty said: “this is critical for us, it will undoubtedly contribute to the development of stem cell research. ”
United Kingdom Newcastle University stem cell scientists Miranda · la said: “get a large and different kinds of cells is essential for scientific research. For example, currently we are studying how the stem cells into blood cells to treat leukemia. We try to have three types of stem cells and found only one feasible.
RT : How adult stem cell research has changed stem cell field of study Learn how adult stem cells work 
How adult stem cell research has changed stem cell field of study Learn how adult stem cells work 
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