Human nerve stem cells transplanted into rats' damaged spinal cords have survived, grown and in some cases connected with the rats' own spinal cord cells in a Johns Hopkins laboratory, overturning the long-held notion that spinal cords won't allow nerve repair.
The International Society for Stem Cell Research (ISSCR) releases International Guidelines for the Conduct of Human Embryonic Stem Cell Research.
University of Michigan Comprehensive Cancer Center researchers have discovered the small number of cells in pancreatic cancer that are capable of fueling the tumor's growth. The finding is the first identification of cancer stem cells in pancreatic tumors.
Researchers at the University of Michigan Medical Center have, for the first time, identified human pancreatic cancer stem cells. Their work indicates that these cells are likely responsible for the aggressive tumor growth, progression, and metastasis that define this deadly cancer.
In an elegant, multiple-gene knockout experiment, a team of Boston scientists has discovered that a trio of molecules, called FoxOs, are fundamentally critical in preventing some cancers, maintaining blood vessel stability, and in keeping blood-forming stem cells healthy.
USC Researchers recently made significant strides toward settling a decades-old debate centering on the role played by stem cells in cancer development. According to the study's findings, genes that are reversibly repressed in embryonic stem cells are over-represented among genes that are permanently silenced in cancers; this link lends support to the increasingly discussed theory that cancer is rooted in small populations of stem cells.
Researchers have successfully regenerated tooth root and supporting periodontal ligaments to restore tooth function.
Researchers at Children's Hospital Boston report a new and efficient strategy, using eggs alone, for creating embryonic stem cells suitable for transplantation and cell-based therapies. The technique (done just in mice so far) would apply only to females, who would donate their own eggs to create genetically-matched ES cells. Findings will appear in online in Science on December 14.
Americans' support for stem cell research has declined slightly, reversing a three-year trend, but an overwhelming majority paradoxically supports the use of such cells in pursuit of treatment for themselves or family members, according to the sixth annual Virginia Commonwealth University Life Sciences Survey released Thursday.
The National Heart, Lung and Blood Institute at the National Institutes of Health has awarded $10.2 million over five years to a bioengineering research partnership at the University of Washington devoted to heart muscle regeneration through tissue engineering and embryonic stem cell research.
A team from the Medical College of Wisconsin in Milwaukee has applied for a patent on their work to isolate, grow and identify a new and readily-available type of adult stem cell that is found in the bulge of hair follicles, and appears to have a potential for diversification similar to that of embryonic stem cells.
A sugar molecule present on embryonic stem cells also has been found on the surface of a type of adult stem cell, a discovery that may help researchers isolate and purify adult stem cells for use in therapies aimed at bone healing, tendon repair and cartilage regeneration, researchers at UT Southwestern Medical Center report.
Helping to change current thinking about how the heart is formed, investigators at Children's Hospital Boston have identified a type of stem cell that gives rise to at least two different cell types that make up the heart. The findings, to appear in Cell, bring researchers a step closer to being able to regenerate tissues to repair congenital heart defects in children and damage caused by heart attacks in adults.
Johns Hopkins scientists have successfully grown large numbers of stem cells taken from adult pigs' healthy heart tissue and used the cells to repair some of the tissue damage done to those organs by lab-induced heart attacks. Pigs' hearts closely resemble those in humans, making them a useful model in such research.
A phase I trial of non-myeloablative or reduced intensity hematopoietic stem cell transplantation (HSCT) in patients with systemic sclerosis (scleroderma) has proven safe and well tolerated, according to research presented this week at the American College of Rheumatology Annual Scientific Meeting in Washington, DC.
William M. Caldwell, IV, Chief Executive Officer of Advanced Cell Technology, Inc. today issued this statement to the media and the investment community.
Adult stem cells increase insulin production in mice with type 2 diabetes, demonstrating the potential of adult stem cells to address diabetes, say Tulane University gene therapy researchers. The article is published online this week in the Early Edition of the Proceedings of the National Academies of Science.
A key scientific finding released today shows a human virus targets fat stem cells to cause formation of more, fatter, fat cells. This finding may lead to new insights into the study of obesity.
Stem cells derived from human fat tissue were reported today to demonstrate early success in reconstructive surgeries in over 30 patients in Japan that underwent facial and breast procedures. The results from an investigator-initiated study by Dr. Kotaro Yoshimura of Tokyo University in Japan were presented today at the 4th Annual Meeting for the International Fat Applied Technology Society taking place in Baton Rouge, Louisiana.
In a novel effort to simplify and speed up safe human stem cell research, Johns Hopkins has set up a "one-stop shop" to preserve, create, supply and test high-quality cell lines for its own researchers now and the greater scientific community later.
Researchers at Johns Hopkins have shown that transplanting human stem cells into spinal cords of rats bred to duplicate Lou
Scientists have predicted that embryonic stem cells might lead to cures for various diseases and conditions such as heart disease, Parkinson's or spinal cord injuries. Now, a University of Missouri-Columbia researcher has isolated adult stem cells from blood that can be directed to turn into five types of cells, including bone, blood vessel and nerve cells.
Several University of Wisconsin-Madison engineers will present findings at the American Chemical Society's national meeting, held through Thursday, Sept. 14, in San Francisco. Among them, two presentations will highlight research that could benefit cardiac health and stem cell research.
After conducting research at Scotland's Roslin Institute (birthplace of Dolly the cloned sheep) and creating in-vitro models of obesity and Parkinson's Disease for the pharmaceutical giant Pfizer, Gabriela Cezar has returned to the University of Wisconsin-Madison.
UCLA researchers have transformed adult stem cells taken from human adipose "“ or fat tissue "“ into smooth muscle cells, which help the normal function of a multitude of organs like the intestine, bladder, and arteries. The research may help lead to use of fat stem cells for smooth muscle tissue engineering and repair.
In a study published July 1 in the journal Blood, University of Illinois at Chicago College of Medicine researchers suggest that donor T cells change the fate of blood stem cells.
Researchers have isolated a new source of adult stem cells that appear to have the potential to differentiate into several cell types. These cells may one day have applications for a host of disorders, including peripheral nerve disease, Parkinson's disease, and spinal cord injury.
Researchers from the UCLA AIDS Institute and the Institute for Stem Cell Biology and Medicine have demonstrated for the first time that human embryonic stem cells can be genetically manipulated and coaxed to develop into mature T-cells, raising hopes for a gene therapy to combat AIDS.
Using an animal model of embryonic stem cell development, researchers with the University of Florida's McKnight Brain Institute have begun to answer one of the most fundamental questions in science - how does a batch of immature cells give rise to an organ as extraordinarily complex as the human brain?
In a dramatic display of stem cells' potential for healing, a team of Johns Hopkins scientists reports that they've engineered new, completed, fully-working motor neuron circuits -- neurons stretching from spinal cord to target muscles -- in paralyzed adult animals.
Scientists at the University of North Carolina at Chapel Hill have demonstrated that normal development of the eye requires the right amount of a neural stem cell gene be expressed at the right time and place.
The University of California, San Diego will host a public conference, "Social Justice and Stem Cell Research," on Saturday, May 13. This free event will be held on the La Jolla campus in UCSD Center Hall from 10 a.m. to 4 p.m.
The discovery that bone-marrow derived stem cells can regenerate damaged renal cells in an animal model of Alport syndrome provides a potential new strategy for managing this inherited kidney disease and offers the first example of how stem cells may be useful in repairing basement membrane matrix defects and restoring organ function.
Researchers at the University of Illinois at Chicago have been awarded $2 million to establish a Center for the Development of Stem Cell Therapies for Human Diseases.
Scientists uncover signatures near crucial developmental genes; analysis provides framework for understanding cells' unusual plasticity.
A single dose of adult donor stem cells given to animals that have neurological damage similar to that experienced by adults with a stroke or newborns with cerebral palsy can significantly enhance recovery from these types of injuries, researchers say.
In a breakthrough that could allow therapeutic drugs to reach market faster and at lower cost, researchers at the Technion-Israel Institute of Technology have developed a way to conduct "human" drug trials on animals.
A mutation in blood stem cells occurs in patients with a blood disorder called polycythemia vera (PV), scientists at the Moores Cancer Center at UC, San Diego, and the Institute for Stem Cell Biology and Regenerative Medicine and Comprehensive Cancer Center at Stanford have confirmed.
Scientists have uncovered new information about what orchestrates the complex balance between blood stem cells and mature blood cells, a relationship that is often disrupted in leukemia. The results will lead to a better understanding of the behavior of leukemic cells.
Liquid crystals, the same phase-shifting materials used to display information on cell phones, monitors and other electronic equipment, can also be used to report in real time on the differentiation of embryonic stem cells.
An article in the March 1, 2006 issue of Cancer Research reports on an animal study in which bone-marrow derived neural stem cells and a newly discovered cytokine worked synergistically to track and kill glioma cells and offer long-term protection.
Therapy that involved bone marrow stem cells did not improve cardiac function in patients following a heart attack, according to a study.
Researchers have shown that endocrine progenitor stem cells exist in the adult human pancreas, and they have demonstrated that these stem cells can be transformed into insulin-producing cells.
A study has provided the first comprehensive map of a part of the adult human brain containing astrocytes, cells known to produce growth factors critical to the regeneration of damaged neural tissue and that potentially serve as brain stem cells.
Whitehead Institute scientists have found that the same protein that causes neurodegenerative conditions such as bovine spongiform encephalopathy (mad cow disease) is also important for helping certain adult stem cells maintain themselves.
A new study published this week in the Proceedings of the National Academy of Sciences online Early Edition provides compelling visual evidence that hematopoietic, or blood-forming, stem cells prefer a solitary life.
New study may lead to improved stem cell therapies for patients with compromised immune systems due to intensive cancer therapy or autoimmune disease. Researchers found that the sympathetic nervous system plays a critical role in coaxing bone marrow stem cells into the bloodstream.
Researchers in the lab of Whitehead Institute Member and MIT professor of biology Harvey Lodish have discovered a way to multiply an adult stem cell 30-fold, an expansion that offers tremendous promise for treatments such as bone marrow transplants and perhaps even gene therapy.
Analyzing the complete gene-expression profiles of both cloned and fertilization-derived stem cells in mice, scientists at Whitehead Institute for Biomedical Research now have concluded that the two are indistinguishable.
Scientists have developed a precisely defined stem cell culture system free of animal cells and used it to derived two new human embryonic stem cell lines.
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