stem 2 9

Tag: "stem" at biology news

Septum keeps neurons in synch, can reduce epileptic seizures by 90 percent

...trating brain impulses as they pass from the brain stem through the septum and on to the hippocampus, said the study's lead researcher, Luis V. Colom, of the University of Texas at Brownsville/Texas Southmost College. The hippocampus is a part of the brain that plays a role in memory, spatial navigation a...

Possible birthplace of malignant brain tumors identified

...ir studies, they sought to discover whether neural stem cells in the brain called B cells carry a receptor...PDGFRá)--for the signaling molecule PDGF. Neural stem cells are immature cells that serve as the continual source of new brain cells in adults, and PDGF i...

Neurons grown from embryonic stem cells restore function in paralyzed rats

... researchers have enticed transplants of embryonic stem cell-derived motor neurons in the spinal cord to c...remarkable advance that can help us understand how stem cells might be used to treat injuries and disease and begin to fulfill their great promise. The succ...

Teasing out tissue from blood

...e idea is to revert a patient's blood cells to the stem cell stage and then chemically nudge them to re-sp...as. It now claims to have refined a way to produce stem cells from whiteblood cells called monocytes and develop them into many different tissue types inclu...

UC Davis researchers move biotechnology closer to replacing electronic pacemakers

...ces. The results also have implications for future stem cell research. Li and his colleagues are now pre... engineered human heart cells from human embryonic stem cells, and demonstrated that they can be transplanted into a recipient heart and function normally. ...

Stanford doctors advance in bid to turn mice stem cells into blood vessels

...ken a first step toward growing blood vessels from stem cells that could eventually be transplanted into living organisms. Starting with embryonic stem cells derived from mice, surgical resident Oscar Abilez, MD, and colleagues have successfully differ...

Mass. General study finds potential ovarian cancer stem cells

...searchers have identified potential ovarian cancer stem cells, which may be behind the difficulty of treat...populations of tumor cells that appear to act like stem cells, driving the tumor's ability to grow and spread. If some of these specialized cells escaped d...

Adult stem cells are touchy-feely, need environmental clues

A certain type of adult stem cell can turn into bone, muscle, neurons or other ...ia. The researchers discovered that mesenchymal stem cells, which regularly reside in the bone marrow as part of the body's natural regenerative mechanis...

With few factors, adult cells take on character of embryonic stem cells

...use embryos or adult mice to behave like embryonic stem cells. The researchers reported their findings in ...ich the researchers designate "induced pluripotent stem cells" (iPS)--exhibit the physical, growth, and genetic characteristics typical of embryonic stem ce...

Bones hold the key to blood renewal

...bones are filled with spongy bone marrow, in which stem cells divide and their daughter cells differentiat...nse. The hematopoietic (literally, blood-creating) stem cells, which can give rise to any kind of blood cell, reside in special 'stem cell niches' nestled i...

Study finds how organs monitor themselves during early development

... many kinds of disorders and show how the power of stem cells could be harnessed to help organs call diffe...y illustrates how the ovary controls its amount of stem cell precursors, called primordial germ cells (PGCs). Primordial germ cells are important cells. Som...

Purdue creates new low-cost system to detect bacteria

...ications for this new technology, from identifying stem cells to drug-resistant staph infections to pathog... to measure," Rajwa said. "If you are working with stem cells, you don't want to stain them to see if they are stem cells. You want to be able to look at co...

Researchers map out networks that determine cell fate

... on a puzzling behavior. For some differentiating stem cells, the first step leads not to a final decisio... Cell, the researchers, working with hematopoietic stem cells, which give rise to the many types of blood cells, show how "pioneer transcription factors" tr...

In a technical tour de force, Salk scientists take a global view of the epigenome

... broad impact on the analysis of the human genome, stem cell biology and therapeutic cloning. Their findin...different methylation patterns. DNA methylation in stem cells differs from that in a mature skin or nerve cell. Part of the makeover mature cells must under...

Progress being made in exploring potential use of stem cells to treat heart disease

...g headway in exploring the potential future use of stem cells to treat heart disease, according to a revie...that can be reproduced using pluripotent embryonic stem cells (these are early stem cells that can grow into almost any cell type) the cues that control m...

Malignant melanoma cells secrete protein required for embryo formation

...ls toward a normal skin cell type. Like embryonic stem cells, malignant tumor cells similarly receive and...tic" nature, which is similar to that of embryonic stem cells, expressing genes characteristic of multiple cell types, including endothelial, neural and ste...

U of MN uses robotic surgery techniques in cardiac cell therapy research

...ere successful in using robotic surgery to deliver stem cell treatment to damaged heart tissue in pigs. ...obotic surgery equipment, researchers injected the stem cells into the damaged hearts. The cells were "labeled" with iron particles so that researchers woul...

New device could cut chemotherapy deaths

...esearch experience in gastrointestinal cancers and stem cells in the gastrointestinal tract. Dr Perera has also been working with the University's Department of Pharmacy & Pharmacology to make the fibres more sterile so they cannot be attacked by harmful bacteria. Dr Perera said that other researche...

Stem cells can repair torn tendons or ligaments

...brew University of Jerusalem that shows that adult stem cells can be used to make new tendon or ligament t... Faculty of Dental Medicine engineered mesenchymal stem cells (MSCs), which reside in the bone marrow and fat tissues, to express a protein called Smad8 and...

Marrow-derived stem cells deliver new cytokine to kill brain tumor cells, offer protection

Attaching a recently discovered cytokine to neural stem cells derived from bone marrow, researchers at Ced...tute documented several years ago that some neural stem cells ?"immature" cells that can differentiate into central nervous system cells ?have the ability t...

1 2 3 4 5 6 7 8 9 10