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Embryonic Stem Cells | Embryonic Stem Cells News, Research and Current Events
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MicroRNA tweaks protein that controls early heart development
Researchers at UT Southwestern Medical Center have discovered how a small molecule of RNA called microRNA - a chemical cousin of DNA - helps fine tune the production of a key protein involved in the early development of heart muscle.   view more (2005-06-13)

Embryo fossils reveal animal complexity 10 million years before Cambrian Explosion
Fossilized embryos predating the Cambrian Explosion by 10 million years provide evidence that early animals had already begun to adopt some of the structures and processes seen in today's embryos, say researchers from Indiana University Bloomington and nine other institutions in this week's Science.   view more (2006-10-13)

Mouse stem cell line advance suggests potential for IVF-incompetent eggs
Researchers have found that mouse oocytes that fail to become fertilized during in vitro fertilization are nevertheless often capable of succeeding as "cytoplasmic donors" during a subsequent cloning step using so-called nuclear transfer.   view more (2007-02-20)

Stem cells: therapies for the future? Press conference (18 December)
The European Commission (DG Research), has organised the conference "Stem Cells: Therapies for the Future?" to provide a discussion platform for representatives of society and encourage debate on the multiple issues surrounding recent advances in stem cell research. This initiative was launched... view more (2001-12-14)

Brain stem cells sensitive to space radiation
Cold Spring Harbor Laboratory (CSHL) scientists recently led a team of researchers to study potential effects of space radiation on astronauts.   view more (2007-12-12)

Music, dance and science join forces for Brain Awareness Week
Young musicians will take part in a novel experiment in London on Saturday 20 March during Brain Awareness Week (15-21 March 2004) to find out whether learning from sight or sound makes a difference to their performance. The experiment is being organised by the New London Orchestra and the... view more (2004-03-09)

Making memories that last a lifetime
Neurobiologists have discovered a mechanism by which the constantly changing brain retains memories—from that dog bite to that first kiss. They have found that the brain co-opts the same machinery by which cells stably alter their genes to specialize during embryonic development.   view more (2007-03-15)

Scientists discover how to isolate stem cells in womb tissue
Scientists in Australia have found a way of identifying probable stem cells in the lining of women's wombs. The finding opens up the possibility of using the stem cells for tissue engineering applications such as building up natural tissue to repair prolapsed pelvic floors. Pelvic floor prolapse is... view more (2007-09-13)

Joslin study refutes recent report that bone marrow can replenish female oocytes
Ovulated egg cells, or oocytes, in adult female mice are not formed from germ cells in the blood or bone marrow. That's the conclusion of a new study led by investigators at Joslin Diabetes Center and Harvard University.   view more (2006-06-15)

'Rhythm method' may kill off more embryos than other methods of contraception
The "rhythm method" may kill off more embryos than other contraceptive methods, such as coils, morning after pills, and oral contraceptives, suggests an article in the Journal of Medical Ethics.   view more (2006-05-25)

Go with the flow: How cells use biological flows to signal and organize
An EPFL (Ecole Polytechnique Federale de Lausanne) team led by professor Melody Swartz has demonstrated for the first time that the presence of very slow biological flows affects the extracellular environment in ways that are critical for tissue formation and cell migration.   view more (2005-10-25)

Brain tumor researchers find their 'niche'
Brain tumors appear to arise from cancer stem cells (CSCs) that live within microscopic protective "niches" formed by blood vessels in the brain; and disrupting these niches is a promising strategy for eliminating the tumors and preventing them from re-growing.   view more (2007-01-17)

New source of heart stem cells discovered
Researchers at Children's Hospital Boston are continuing to document the heart's earliest origins. Now, they have pinpointed a new, previously unrecognized group of stem cells that give rise to cardiomyocytes, or heart muscle cells.   view more (2008-06-23)

Study finds how organs monitor themselves during early development
How are you? In biological terms this question could involve a feedback loop that lets the body check in on itself and then act on that information   view more (2006-08-28)

Chemistry & Industry Press Release for Issue 24 - Cover Date 17 December
NEWS US Chemicals heading toward trade deficit (p783) The US is set to slide into its first trade deficit since the 1920s next year and the Republic of Ireland will run close to Canada in the race to be the largest exporter to the US in value terms. Cartels face EUR135M fines (p783) Citric acid... view more (2001-12-14)

Left-right wiring determined by neural communication in the embryonic worm
Most animals appear symmetrical at first glance, but we're full of internal lop-sidedness. From the hand used to pick up a pencil or throw a baseball, to where language is generated in the brain, to the orientation of our internal organs, humans are a glut of asymmetries.   view more (2007-05-18)

Woven scaffolds could improve cartilage repair
Using a unique weaving machine of their design, Duke University Medical Center researchers have created a three-dimensional fabric "scaffold" that could greatly improve the ability of physicians to repair damaged joints with the patient's own stem cells.   view more (2007-02-07)

Sign of 'Embryonic Planets' Forming in Nearby Stellar Systems
Astronomers at the University of Rochester are pointing to three nearby stars they say may hold "embryonic planets"-a missing link in planet-formation theories.   view more (2007-10-02)

MIT works toward novel therapeutic device
MIT and University of Rochester researchers report important advances toward a therapeutic device that has the potential to capture cells as they flow through the blood stream and treat them. Among other applications, such a device could zapp cancer cells spreading to other tissues, or signal stem... view more (2007-10-23)

Ultrasound affects embryonic mouse brain development
The prolonged and frequent use of ultrasound on pregnant mice causes brain abnormalities in the developing mouse fetus.   view more (2006-08-08)

Gene therapy protocol at UCSD activates immune system in patients with leukemia
A research team at the Moores Cancer Center at University of California, San Diego (UCSD) reports that patients with chronic lymphocytic leukemia (CLL) who were treated with a gene therapy protocol began making antibodies that reacted against their own leukemia cells.   view more (2008-02-12)

'Shuttling' protein possibly key to resilience of cancer cells
Researchers at Purdue University have discovered a molecular mechanism that may play a crucial role in cancer's ability to resist chemotherapy and radiation treatment and that also may be involved in Alzheimer's and heart disease.   view more (2006-03-08)

BIOSCIENCE 2004 (GLASGOW, 18 - 22 JULY 2004) - Summary Of Press Releases
Press releases are embargoed until date and time shown above each of the following releases - please be aware that some are longer embargoed than 18th July! ----------------------------------------- 00.01gmt+1 SUNDAY 18 JULY NEW PRESIDENT AND VICE-CHAIRMAN FOR BIOCHEMICAL SOCIETY The Biochemical... view more (2004-07-16)

Research Europe 26 September issue: stories on cancer strategy, stem cell concessions, Cost control, aquaculture funding and Schröder`s victory
Commission plans cancer strategy The Commission is planning a European strategy on cancer research. This will include a list of common priorities for funding under Framework 6, the coordination of national research to avoid duplication and fragmentation, and a push for the harmonisation of... view more (2002-09-26)

Durable critters providing insight for human egg preservation
A tiny, six-legged critter that suspends all biological activity when the going gets tough may hold answers to a better way to cryopreserve human eggs, researchers say.   view more (2006-12-19)

Self-Assembled Materials Form Mini Stem Cell Lab
Imagine having one polymer and one small molecule that instantly assemble into a flexible but strong sac in which you can grow human stem cells, creating a sort of miniature laboratory.   view more (2008-03-28)

Neural signal that helps wire up brain's movement circuit identified
Scientists from Imperial College London and King`s College London have identified a molecule that helps to wire up the neural circuitry responsible for controlling the movement of muscle. Writing today in the journal Neuron, the researchers describe how the signalling protein named WNT-3 directs... view more (2002-09-10)

MIT creates 3-D scaffold for growing stem cells
Stem cells grew, multiplied and differentiated into brain cells on a new three-dimensional scaffold of tiny protein fragments designed to be more like a living body than any other cell culture system.   view more (2006-12-27)

UCLA researchers discover new disorder that causes chronic diarrhea in children
UCLA researchers have unraveled a mysterious condition that causes congenital diarrhea and intestinal failure in children.   view more (2006-07-20)

Selective marker found to indicate aggressive form of breast cancer
Researchers have linked a structural protein called nestin to a particularly deadly form of breast cancer, identifying a new biomarker that could lead to earlier detection and better treatment.   view more (2007-01-15)

Wisconsin researchers describe how digits grow
Researchers at the University of Wisconsin School of Medicine and Public Health (SMPH) are wagging a finger at currently held notions about the way digits are formed.   view more (2008-03-12)

Inflammation kills new brain cells
A research team at Lund University in Sweden attracted international attention a year ago by showing that new nerve cells can be generated in the brain after a stroke. However, most of these new nerve cells die rather soon. The same research team has now been able to show that an inflammation can... view more (2003-11-10)

Life and death in the hippocampus: what young neurons need to survive
Whether newborn nerve cells in adult brains live or die depends on whether they can muscle their way into networks occupied by mature neurons.   view more (2006-08-14)

Immune system pathway identified to fight allergens, asthma
For the first time, researchers from the University of Pittsburgh School of Medicine have identified genetic components of dendritic cells that are key to asthma and allergy-related immune response malfunction.   view more (2008-05-08)

How insulin-producing cells develop -- new finding could help fight against diabetes
A key aspect of how embryos create the cells which secrete insulin is revealed in a new study published tomorrow (18 May) in the Journal of Biological Chemistry.   view more (2007-05-18)

Iron particles and MRI could replace biopsies to track stem cell therapy and deploy stents
In a series of experiments in animals, researchers at Johns Hopkins have successfully used a technique that tracks mesenchymal stem cells via magnetic resonance imaging (MRI) to monitor the progress of the cells in repairing tissue scarred by heart attack.   view more (2005-12-05)

Stem-cell research and reproductive cloning laws should be separate (p 209)
The author of a Public Policy article in this week's issue of THE LANCET discusses recent failures of international organisations to establish clear policies with regard to stem-cell research and reproductive cloning. This will have implications for research scientists who will not be clear about... view more (2004-07-07)

St. Jude settles century-old debate on origin of mammalian network of lymphatic vessels
Investigators at St. Jude Children's Research Hospital settled a century-old debate on the origin of the mammalian lymphatic vasculature-the network of vessels and capillaries critical to various essential housekeeping functions in the body. The finding holds the promise for the development of new... view more (2007-10-04)

Dangerous wheat disease jumps Red Sea
A new form of stem rust, a virulent wheat disease, has jumped from eastern Africa and is now infecting wheat in Yemen in the Arabian Peninsula.   view more (2007-01-17)

Gene that magnetically labels cells shows potential as imaging tool
Mammalian cells can produce tiny magnetic nuggets after the introduction of a single gene from bacteria, scientists have found. The gene MagA could become a valuable tool for tracking cells' movement through the body via magnetic resonance imaging (MRI), says Xiaoping Hu, PhD, professor of... view more (2008-06-04)

T vs. B: Re-engineered human T cells effectively target and kill cancerous B cells
Human white blood cells, engineered to recognize other malignant immune cells, could provide a novel therapy for patients with highly lethal B cell cancers such as acute lymphoblastic leukemia (ALL), according to researchers at Memorial Sloan-Kettering Cancer Center (MSKCC).   view more (2007-09-18)

Engineered stem cells show promise for sneaking drugs into the brain
One of the great challenges for treating Parkinson's diseases and other neurodegenerative disorders is getting medicine to the right place in the brain.   view more (2005-12-15)

Cold Spring Harbor Protocols features methods for visualizing protein dynamics
This month's release of Cold Spring Harbor Protocols highlights methods that permit scientists to observe protein dynamics in chromosomes and embryos.   view more (2008-01-03)

Chemotherapy causes delayed severe neural damage
Cancer treatment with chemotherapeutic agents is often associated with delayed adverse neurological consequences - an occurrence often referred to as "chemobrain" - that may compromise the quality of life of a proportion of cancer survivors.   view more (2008-04-22)

Joslin Researchers Discover a Surprising Culprit in the Search for Causes of Diabetic Birth Defects
Over the past several years, Joslin Investigator Mary R. Loeken, Ph.D., and her colleagues at Joslin Diabetes Center have unlocked several mysteries behind what puts women with diabetes more at risk of having a child with birth defects.   view more (2007-03-06)

Study reveals how stem cells decide to become either skeletal or smooth muscle
Researchers have discovered a key protein that controls how stem cells "choose" to become either skeletal muscle cells that move limbs, or smooth muscle cells that support blood vessels.   view more (2007-10-11)

Row over study puts Korea's scientific community under scrutiny again
This week's BMJ investigates a bitter row over a scientific paper that is putting Korea's scientific community under scrutiny once again.   view more (2007-04-09)

New genetic marker characterizes aggressiveness of cancer cells
Levels of a small non-coding RNA molecule called let-7 appear to define different stages of cancer better than some of the "classical" markers for tumor progression.   view more (2007-06-26)

Minuscule molecules pack a powerful punch
A role for a microRNA in the immune system has been shown by study of one of the world's first microRNA knockout mouse, reported Friday 27 April in Science.   view more (2007-04-27)

It takes a thief to know a thief
Mental time-travel, the ability to use memories of past experiences and plan for the future, has traditionally been considered a quality unique to humans. Now scientists at the University of Cambridge have identified the same ability in a bird - the Western Scrub Jay, a US native similar to the... view more (2001-11-21)
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