Health & Medicine - Dec 16, 2010 14:54 - 0 Comments

Protein suppression curbs cancer cells

KING’S COLLEGE LONDON (UK) — By suppressing a protein called beta-catenin that is found in the blood, leukemia stem cells can be reversed to a pre-leukemic stage. (more…)

Health & Medicine - Nov 16, 2010 10:38 - 0 Comments

Shifting melanomas play hide and seek

U. MICHIGAN (US) — Melanoma tumor cells are able to switch various genes on and off, in a stealthy, shape-shifting attempt to avoid researchers seeking new treatments. (more…)

Health & Medicine - Nov 10, 2010 15:49 - 2 Comments

Stem cells keep muscles forever young

U. COLORADO (US) — When specific types of stem cells are transplanted into leg muscles of mice, normal loss of function that comes with aging is prevented. (more…)

Health & Medicine - Nov 3, 2010 15:04 - 0 Comments

Drug causes stem cells to go suicidal

U. PITTSBURGH (US) — Nonsteroidal anti-inflammatory drugs (NSAIDs) prevent colon cancer by triggering diseased stem cells to self-destruct, according to new research. (more…)

Health & Medicine - Sep 27, 2010 13:23 - 0 Comments

Mice may lead to typhoid treatments

U. WASHINGTON (US) — Better treatment and prevention for typhoid fever may emerge from a model based on transplanting human immune stem cells into mice that are susceptible to infections. (more…)

Health & Medicine - Aug 16, 2010 12:03 - 0 Comments

Stem cells wrestle fatal skin disease

U. MINNESOTA (US)—Stem cell therapy has proven successful in treating a lethal skin disease affecting children, according to a new international study. (more…)

Science & Technology - Aug 10, 2010 10:57 - 1 Comment

Scaffold sizes up stem cell force

U. MICHIGAN/U. PENN (US)—Within 24 hours of culturing adult human stem cells on a new type of matrix, researchers were able to make predictions about how the cells would differentiate, or what type of tissue they would become. (more…)

Health & Medicine - Jul 21, 2010 16:51 - 0 Comments

Why are stem cells so willing to change?

UNC-CHAPEL HILL (US)—A protein called Tet1 appears to play a critical role in helping stem cells do what they do best: renew and become any type of cell in the body—a quality known as pluripotency. (more…)

Health & Medicine - Jul 13, 2010 11:46 - 0 Comments

Breathing lungs created in the lab

U. MINNESOTA (US)—As a follow-up to the beating heart, researchers at the University of Minnesota have used a similar technique to create breathing lungs in the lab. (more…)

Science & Technology - Jul 7, 2010 11:32 - 1 Comment

What separates the cells from the T cells?

CALTECH (US)—When does a cell decide its particular identity? In the case of T cells—immune system cells that help destroy invading pathogens—the answer is when the cells begin expressing a particular gene, according to a new study. (more…)

Health & Medicine - May 18, 2010 16:12 - 0 Comments

Chemical signals tell fat cells to grow up

U. PENN (US)—The discovery of an intermediate state between early-stage fat cells and fully mature ones could offer new clues for developing anti-obesity drugs. (more…)

Health & Medicine - Apr 23, 2010 16:12 - 3 Comments

Gene helps worm regrow missing head

U. NOTTINGHAM (UK)—Scientists have discovered the gene that enables an extraordinary worm to regrow its whole head and brain—and other body parts—after amputation. (more…)

Health & Medicine - Apr 13, 2010 10:52 - 4 Comments

Mapping human stem cells’ mutant DNA

U. SHEFFIELD (UK)—Scientists are closer to identifying and avoiding the adverse DNA changes that naturally occur when human embryonic stem cells are multiplied in the laboratory—changes that could hamper their future medical use. (more…)

Health & Medicine - Apr 2, 2010 11:02 - 0 Comments

Keeping skeletal stem cells ‘forever’ young

U. ROCHESTER (US)—Scientists seeking new ways to fight maladies ranging from arthritis and osteoporosis to broken bones that won’t heal, have cleared a formidable hurdle, pinpointing and controlling a key molecular player to keep stem cells in a sort of extended infancy. (more…)

Health & Medicine - Mar 25, 2010 16:05 - 2 Comments

All-natural healing power of fat

RICE (US)—It frequently happens in science that what you throw away turns out to be most valuable. Deepak Nagrath, a researcher at Rice University, was looking for ways to grow cells in a scaffold, and he discarded the sticky substance secreted by the cells. (more…)

Health & Medicine - Jan 29, 2010 13:44 - 0 Comments

Stem cells linked to deadly ovarian cancer

YALE (US)—Eliminating cancer stem cells (CSCs) within a tumor could hold the key to successful treatments for ovarian cancer, which has been notoriously difficult to detect and treat. (more…)

Health & Medicine - Dec 8, 2009 11:37 - 0 Comments

To sniff out muscle repair, follow the nose

EMORY (US)—When muscle cells need repair, it turns out they use odor-detecting tools found in the nose to start the process. And if it weren’t for a team of—ahem—nosy researchers, it’s a connection that could have continued to go unnoticed. (more…)

Health & Medicine - Nov 18, 2009 16:26 - 1 Comment

Shot of stem cells straight to the heart

NORTHWESTERN (US)—The largest national stem cell study for heart disease shows the first evidence that transplanting a potent form of adult stem cells into the heart muscle of subjects with severe angina results in fewer deaths, less pain, and an improved ability to walk. (more…)

Posts Tagged ‘stem cells’