News tagged with embryonic cells
Sea lampreys jettison one-fifth of their genome
Jul 20, 2009 |
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(PhysOrg.com) -- Researchers have discovered that the sea lamprey, which emerged from jawless fish first appearing 500 million years ago, dramatically remodels its genome. Shortly after a fertilized lamprey ...
Scientists reveal mechanism that triggers differentiation of embryo cells
Biology /
Dec 22, 2008 |
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The mechanism whereby embryonic cells stop being flexible and turn into more mature cells that can develop into specific tissues has been discovered by scientists at the Hebrew University of Jerusalem. The discovery has significant ...
New insights into thalidomide-birth defect episode
Nov 10, 2008 |
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Scientists in Germany have discovered why the medication thalidomide appeared safe in animal tests before going on the market 50 years ago, only to cause perhaps the most extensive outbreak of drug-induced birth defects in ...
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Understanding relationship of proteins, fatty acids could help treat diseases
11 hours ago |
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(PhysOrg.com) -- It's widely understood that eating a diet high in saturated fats increases the risk for a long list of chronic and deadly diseases, including diabetes and coronary heart disease. Understanding ...
Study shows immune system protein involved in reprogramming adult cells to express stem cell genes
21 hours ago |
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(PhysOrg.com) -- Scientists have discovered a protein required to quickly and efficiently reprogram human skin cells to express embryonic stem cell genes.
Taming the flu: Researchers create map of interactions between flu virus and its human host
Dec 18, 2009 |
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(PhysOrg.com) -- There is no lack of worry this season over the flu, both the seasonal and H1N1 varieties, but there is a critical lack of understanding of the viruses that cause these illnesses. For years, ...
Researchers revise long-held theory of fruit-fly development
Dec 17, 2009 |
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For decades, science texts have told a simple and straightforward story about a particular protein—a transcription factor—that helps the embryo of the fruit fly, Drosophila melanogaster, pattern tissues in a m ...
Study reveals lack of diversity in embryonic stem cell lines
Dec 16, 2009 |
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The most widely used human embryonic stem cell lines lack genetic diversity, a finding that raises social justice questions that must be addressed to ensure that all sectors of society benefit from stem cell advances, according ...
Marking of tissue-specific crucial in embryonic stem cells to ensure proper function
Dec 16, 2009 |
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Tissue-specific genes, thought to be dormant or not marked for activation in embryonic stem cells, are indeed marked by transcription factors, with proper marking potentially crucial for the function of tissues derived from ...
RXR activation -- hope for new Parkinson's disease treatment
Medicine & Health / Neuroscience
Dec 11, 2009 |
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Following up on their previous work showing the rescue of dopamine neurons by chemicals that interact with the retinoid X receptor (RXR), researchers have now investigated the potential of these chemicals, known as RXR ligands, ...
New ethical questions are being raised in stem cell research
Dec 10, 2009 |
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A groundbreaking discovery two years ago that turned ordinary skin cells back into an embryonic or "pluripotent" state was hailed as the solution to the controversial ethical question that has plagued stem-cell science for ...
Researchers show 'trigger' to stem cell differentiation
Dec 10, 2009 |
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A gene which is essential for stem cells' capabilities to become any cell type has been identified by researchers at the Hebrew University of Jerusalem and the University of California, San Francisco.
From fruit fly wings to heart failure -- why Not(ch)?
Dec 10, 2009 |
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Almost a century after it was discovered in fruit flies with notches in their wings, the Notch signalling pathway may come to play an important role in the recovery from heart attacks. In a study published ...
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