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Tag: "transplanted" at biology news

Single stem cells from bone heal a broken heart

...ed to divide to form a large population, they were transplanted into a rat model of myocardial infarction. This improved cardiac function because the cells stimulated release of growth factors and anti-apoptotic agents that, in turn, increased the proliferative potential of cardiomyocytes and enhanced survival of...

Stem cells from brain transformed to produce insulin at Stanford

...ls to transform into insulin-producing cells. When transplanted into diabetic mice, these cells effectively made u...onic stem cell lines are contaminated and can't be transplanted into humans. Kim thought that human neural stem cells may be one way to sidestep the more problemat...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

...genic plants and the wild-type control plants were transplanted into four 33-by-1 meter field plots, two that contained contaminated sediment from the San Luis Drain and two that contained clean soil. One line of Indian mustard plants was engineered to produce more of the enzyme adenosine triphosphate sulfurylas...

World-first Living Donor Islet Cell Transplant A Success; Procedure Offers Promise For Diabetics

...py. Under Dr. Shapiro's supervision, the team then transplanted the insulin-producing cells into the woman's 27-year-old diabetic daughter. The transplanted islets began producing insulin within minutes, explains Dr. Shapiro. "The reason I'm so excited abou...

New SARS Protein Linked To Important Cell Doorway

...student Chung Lee, both of the Fremont laboratory, transplanted orf7a into bacteria. When the bacteria made the protein, researchers purified it and used it to determine the three-dimensional structure of orf7a. This purified protein also allowed colleague Michael Diamond, M.D., Ph.D., assistant professor of mole...

Placenta Is A Rich Source Of Blood Stem Cells

... and can give rise to a complete blood system when transplanted into an adult. Unlike other sites where blood stem cells are found during embryonic development, such as the liver, the stem cells in the placenta can increase in number without giving rise to mature, specialized cells. ''There must be something uni...

UCSD researchers maintain stem cells without contaminated animal feeder layers

...cule called Neu5Gc. If these stem cells were to be transplanted into people, they would provoke an immune system attack eliminating their therapeutic value. While several laboratories have attempted to grow stem cells in alternative cultures, problems have remained. In some cases, human feeder layers were develo...

Experiments provide proof of how traveling in groups protects insects

...thin two days, 50 percent to 60 percent of insects transplanted out of the band were dead because something ate them," he said. "On the other hand, we found no deaths during the same period among the crickets we monitored that stayed with the band." That individuals removed from the group suffered gory deaths wa...

Experiments provide proof of how traveling in groups protects insects

...thin two days, 50 percent to 60 percent of insects transplanted out of the band were dead because something ate them," he said. "On the other hand, we found no deaths during the same period among the crickets we monitored that stayed with the band." That individuals removed from the group suffered gory deaths wa...

Gene therapy converts dead bone graft to new, living tissue

...have created a way to transform the dead bone of a transplanted skeletal graft into living tissue in an experiment...e drastic surgery becomes necessary." To make the transplanted bone more robust, Schwarz looked into the activity of the genes and proteins that govern its health....

Cytoplasm affects the number of vertebrae in carp-goldfish clones

...ng created when nuclei from one genus of fish were transplanted to enucleated eggs of another genus of fish. The ...the egg cytoplasm, and not the genetic code of the transplanted nucleus, influenced this aspect of the skeleton as the cloned fish developed. They speculate that a...

Transplantation Of Monkey Embryonic Stem Cells Reverses Parkinson Disease In Primates

...ons) generated from monkey embryonicstem cells and transplanted into areas of the brain where these neuronshave de...ed increased DA neuron development andsubsequently transplanted these neurons into monkeys treated with anagent called MPTP, which is considered a primate model for...

Wisconsin scientists grow critical nerve cells

...ated neurons can communicate with other cells when transplanted into a living animal. The team will first test the neurons in chicken embryos. While the new results are promising and provide access to critical cells that may one day be used in therapy, it will likely be many years before they can be tested in hu...

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