Stem Cell Research
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Feb 24 | News
An international research team led by Columbia Univ. Medical Center successfully used mouse embryonic stem cells to replace diseased retinal cells and restore sight in a mouse model of retinitis pigmentosa.
Feb 8 | News
Northwestern Univ. researchers are the first to design a bioactive nanomaterial that promotes the growth of new cartilage in vivo and without the use of expensive growth factors. Minimally invasive, the therapy activates the bone marrow stem cells and produces natural cartilage. No conventional therapy can do this.
Feb 3 | News
Materials scientists at the Univ. of Washington have built a three-dimensional scaffold out of a natural material that mimics the binding sites for stem cells, allowing the cells to reproduce on a clean, biodegradable structure. Results show that human embryonic stem cells grow and multiply readily on the structure.
Jan 26 | News
Researchers at Weill Cornell Medical College have turned human embryonic and pluripotent stem cells into plentiful, functional endothelial cells, which are critical to the formation of blood vessels. The technique, which could support cardiovascular treatments, is significant because it increases the quantity of available cells 40-fold over previous approaches.
Jan 18 | News
Believe it or not, there is an organization called the In-vitro Meat Consortium that is actively trying to grow “petri pork”. Although right this lab meat has less protein than conventional pork, the effort is getter closer to its goal: offering a green alternative to raising livestock.
Jan 12 | News
By delivering stem cells directly to the injury site, doctors are able to augment existing scaffold approaches for healing damaged bone and increase bone growth rates, at least in rats. The Georgia Tech method, which uses cells derived from adult bone marrow and fetal amniotic fluid, shows promise.
Jan 11 | News
Biologists have developed an efficient way to genetically modify human embryonic stem cells. Their approach, which uses bacterial artificial chromosomes to swap in defective copies of genes, will make possible the rapid development of stem cell lines that can both serve as models for human genetic diseases and as testbeds on which to screen potential treatments.
12/30/2009 | News
The availability of genetically diverse cell lines for cell
replacement therapy and drug development could have important medical
consequences, a possibility that is driving researchers to draw on result of
the HapMap Project to identify stem cell origins. Discordance in ethnic origin between
organ donors and recipients could influence medical outcomes for tissue
transplantation.
12/8/2009 | News
Despite the remarkable regenerative capacity of mammalian skin, an adult dermal stem cell has not yet been identified. Medical researchers are exploring the possibility of deriving stem cells from the dermis or the second layer of skin, and Univ. of Tennessee scientists now report they have found a group of cells that can participate in wound healing.
10/20/2009 | News
In a finding that brightens the prospects of stem cell
therapy without relying on human embryo, a Scripts Research Institute team
reports that they have found three specific chemicals that encourage
fibroblasts—cells typically used for forming connective tissues—to transform into
a stem-cell-like state at a much more efficient level and in half the time as
previous methods.