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Stem Cells
New Technique Advances Bioprinting of Cells PDF Print E-mail
Tuesday, 05 July 2011 00:18
Ever since an ordinary office inkjet printer had its ink cartridges swapped out for a cargo of cells about 10 years ago and sprayed out cell-packed droplets to create living tissue, scientists and engineers have never looked at office equipment in quite the same way.
Nervous System Stem Cells Can Replace Themselves, Give Rise to Variety of Cell Types, Even Amplify PDF Print E-mail
Tuesday, 05 July 2011 00:15
A Johns Hopkins team has discovered in young adult mice that a lone brain stem cell is capable not only of replacing itself and giving rise to specialized neurons and glia -- important types of brain cells -- but also of taking a wholly unexpected path: generating two new brain stem cells.

A report on their study appears June 24 in Cell.

Many Americans Approve of Stem Cell Research for Curing Serious Diseases PDF Print E-mail
Saturday, 02 July 2011 01:26
While research using human embryonic stem cells has roused political controversy for almost two decades, little has been done to scientifically assess American attitudes on the subject. New research from the University of Nevada, Reno provides decision-makers with a much clearer picture of how their constituents truly feel about the subject.
Stem-cell Trial Seeks to Improve Leg Circulation PDF Print E-mail
Thursday, 30 June 2011 00:14

A clinical trial at Banner Heart Hospital could give hope to people with poor leg circulation and help those with the worst cases avoid amputation.

Scientists Discover How to Control Fate of Stem Cells PDF Print E-mail
Tuesday, 28 June 2011 02:00
Scientists from the Genome Institute of Singapore (GIS), an institute of the Agency for Science, Technology and Research (A*STAR), in collaboration with the Cancer Science Institute of Singapore (CSI), have discovered how the body uses a single communication system to decide the fate of stem cells.
Leftover Embryonic Cells Connect Gastric Reflux and Cancer PDF Print E-mail
Tuesday, 28 June 2011 00:01
The ultimate source of some cancers is embryonic cells. Research published in the June 24th Cell, a Cell Press publication, traces the precursor of deadly esophageal cancers to leftover embryonic cells found in all adults.
F.D.A. Approves Cell Therapy for Wrinkles PDF Print E-mail
Saturday, 25 June 2011 00:28

Blood stem cells, as from a bone marrow transplant, are used to treat serious cancers. Therapies using other types of stem cells, mostly still experimental, are envisioned to help repair damaged organs and to treat scourges like diabetes and Parkinson’s disease.

Pigs could grow human organs in stem cell breakthrough which could solve organ shortage PDF Print E-mail
Thursday, 23 June 2011 02:07

Human organs could be grown inside pigs for use in transplant operations following pioneering research.

Device Could Improve Harvest of Stem Cells from Umbilical Cord Blood PDF Print E-mail
Thursday, 23 June 2011 00:03
Johns Hopkins graduate students have invented a system to significantly boost the number of stem cells collected from a newborn's umbilical cord and placenta, so that many more patients with leukemia, lymphoma and other blood disorders can be treated with these valuable cells.
New Stem Cell Research Could Aid in Battle Against Bulging Waistlines PDF Print E-mail
Tuesday, 21 June 2011 00:42
Innovative adult stem cell research by scientists at The University of Texas Health Science Center at Houston (UTHealth) could aid efforts to apply the brakes to stem cells that produce the type of fat ringing the waists of millions. Research appeared online ahead of the print issue of Cell Stem Cell.
Adult Stem Cells Carry Their Own Baggage: Epigenetics Guides Stem Cell Fate PDF Print E-mail
Tuesday, 05 July 2011 00:17
Adult stem cells and progenitor cells may not come with a clean genetic slate after all. That's because a new report in the FASEB Journal shows that adult stem or progenitor cells have their own unique "epigenetic signatures," which change once a cell differentiates.
Genetic 'Conductor' Involved With New Brain Cell Production in Adults PDF Print E-mail
Saturday, 02 July 2011 01:33
A team of North Carolina State University researchers has discovered more about how a gene connected to the production of new brain cells in adults does its job. Their findings could pave the way to new therapies for brain injury or disease.
First Patients Receive Lab-Grown Blood Vessels from Donor Cells PDF Print E-mail
Thursday, 30 June 2011 00:48
For the first time, blood vessels created in the lab from donor skin cells were successfully implanted in patients. Functioning blood vessels that aren't rejected by the immune system could be used to make durable shunts for kidney dialysis, and potentially to improve treatment for children with heart defects and adults needing coronary or other bypass graft surgery.
Tiny Cell Patterns Reveal the Progression of Development and Disease PDF Print E-mail
Thursday, 30 June 2011 00:10
Scientists have long known that, to form tissue structures and organs, stem cells migrate and differentiate in response to the other cells, matrix, and signals in their environment. But not much is known about these developmental processes nor how to distinguish between normal and pathological behaviors.
Barrett’s Esophagus, Often a Precursor to Esophageal Cancer, Results from Residual, Embryonic Cells PDF Print E-mail
Tuesday, 28 June 2011 00:54
Researchers have discovered a new mechanism for the origin of Barrett's esophagus, an intestine-like growth in the esophagus that is triggered by chronic acid reflux and often progresses to esophageal cancer.
Stem cell model offers clues to cause of inherited ALS PDF Print E-mail
Saturday, 25 June 2011 00:31

An international team of scientists led by researchers at the University of California, San Diego School of Medicine have used induced pluripotent stem cells (iPSCs) derived from patients with amyotrophic lateral sclerosis (ALS) to reveal for the first time how reduced levels of a specific protein may play a central role in causing at least one inherited form of the disease.

Link Between Low Birth Weights and Obesity Later in Life: Altering Hormone Levels Changes Cellular Development in the Brain PDF Print E-mail
Saturday, 25 June 2011 00:24
In a study that increases the understanding of the link between fetal development and obesity later in life, researchers at Los Angeles Biomedical Research Institute at Harbor-UCLA Medical Center (LA BioMed) found altering the levels of two common hormones, insulin and leptin, in utero changes the cellular development in the region of the brain that regulates appetite.
Signaling Pathway Is 'Executive Software' of Airway Stem Cells PDF Print E-mail
Thursday, 23 June 2011 01:05
Researchers at Duke University Medical Center have found out how mouse basal cells that line airways "decide" to become one of two types of cells that assist in airway-clearing duties.
Surroundings Matter: Researchers Engineer the Environment for Stem Cell Development to Control Differentiation PDF Print E-mail
Tuesday, 21 June 2011 01:48
Stem cell technologies have been proposed for cell-based diagnostics and regenerative medicine therapies. However, being able to make stem cells efficiently develop into a desired cell type -- such as muscle, skin, blood vessels, bone or neurons -- limits the clinical potential of these technologies.
Patients' stem cells cure clogged arteries PDF Print E-mail
Tuesday, 21 June 2011 00:01

Surgeons from the University of Louisville have successfully performed the first three prosthetic bypass graft surgeries using the patient's stem cells to treat peripheral vascular disease (PVD).

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