Search Term: \'embryonic stem cells\'

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Cell Biology

Adult Stem Cells, +2; Embryonic Stem Cells, -1
February 23, 2009
...begin to take their stem cell research toward therapeutic treatments.     Not so good for embryonic stem cells.  Nature News reported, “Hybrid embryos fail to live up to stem-cell...
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Amazing Facts

Modeling Solar Cells on Butterflies
February 7, 2009
Sunlight is free – if we could just learn how to use it better.  For decades, engineers have been trying to improve the efficiency of solar cells.  Why not look...
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Cell Biology

Obama and Stem Cells: Hope Chest or Pandora’s Box?
January 31, 2009
...the article clarified in paragraph 6.  “It is the other type of stem cells, embryonic stem cells, that some activists find objectionable, partly because these cells are derived from embryos...
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Health

Who Wants Embryonic Stem Cells?
December 17, 2008
...in the article, however, were from adult stem cells and “induced pluripotent stem cells” (see 11/05/2008), derived from adult somatic cells, that behave “like” embryonic stem cells without the need...
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Amazing Facts

How Cells Thread a Needle
October 17, 2008
...cells do it.  The mechanism was described by Anastassios Economou in Nature this week.1     Cells have to do this kind of thing all the time, so they have...
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Cell Biology

Selling Stem Cells to Voters
October 15, 2008
...cells.  Researchers in London observed what happened to embryonic stem cells from genetically-engineered mice with an extra chromosome 21.  The study did not use human embryonic stem cells.  Nothing was...
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Cell Biology

Adult Stem Cells Race Ahead; Embryonics Falter
August 7, 2008
Major advances are being made with induced pluripotent stem cells (iPS), stem cells reconstituted from adult tissues, while interest in embryonic stem cells (ES) seems to be drying up.  ...
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Health

Adult Stem Cells May Cure Muscular Dystrophy
July 19, 2008
...and strength.”  It took awhile to identify the correct cells, but “Once the stem cells were in place, they spread throughout the muscle, producing new cells and improved the way...
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Human Body

Fast Protein Fine-Tunes the Ear
February 13, 2008
...cuts off ear-piercing feedback then adjusts the volume level by a slider. Prestin has been implicated in fast-adaptation. It stiffens the outer hair cells to prevent loud sounds from blowing...
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Cell Biology

Stem Cells: It’s a New Ball Game
January 10, 2008
...embryonic stem cells in research and medicine.  The generation of iPS cells through direct reprogramming avoids the difficult ethical controversies surrounding the use of embryos for deriving stem cells.  The...
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Cell Biology

Will Adult Stem Cells Cure Sickle Cell Anemia?
December 9, 2007
...the wings.     A panel on Fox News reported Saturday that this new stem-cell methodology renders embryonic stem cells obsolete and thus puts the ethical controversy about stem cells...
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Cell Biology

Stem-Cell Advocates Try to Shield Ethical Concerns
September 26, 2007
...[multipotent] stem cells are already in clinical trials.  Embryonic stem cells (ESCs) are coming of age….”  His ending statement was even more telling: “Adult stem cells are happening.  Embryonic stem...
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Cell Biology

Keep the Stem Cell News Straight
July 19, 2007
Stem cell technology continues to make news, but the phrase “stem cells” alone can mask serious ethical issues.  Adult stem cells (AS) and embryonic stem cells (ES) are both being...
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Cell Biology

No More Need for Embryonic Stem Cells?
June 6, 2007
...of cloning human embryos then killing them for their stem cells.  “If researchers succeed, it will make it relatively easy to produce cells that seem indistinguishable from embryonic stem cells,...
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Health

Adult Stem Cells Form Heart Valve
April 4, 2007
...with adult stem cells, not embryonic stem cells. Everybody knows that the big battle over stem cells revolves around the ethics of using human embryos for research.  Adult stem cells...
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