Cells Have Dimmer Switches
June 30, 2011
...the Salk Institute “shows that a short segment on p53 is needed to fine-tune the protein’s activity in blood-forming stem cells and their progeny after they incur DNA damage.” Geoffrey...
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Stem Cell News
June 20, 2011
Stem cells continue to be hot subjects for research. They are divided into two basic “political” parties: embryonic stem cells (ES), which raise ethical issues about tampering with human life,...
Inner Ear Hair Cells Overcome Friction
June 19, 2011
The cochlea, that spiral-shaped structure in the inner ear, is filled with fluid. In this fluid, tiny hair cells called stereocilia are positioned in bundles along the length of the...
Embryonic Stem Cells Left in iPS Dust
May 23, 2011
...embryonic stem cells as one of the two sources of stem cells, it did not produce any evidence that embryonic stem cells are effective – only the iPS cells. Vision...
Embryonic Stem Cell Decision Overturned
April 30, 2011
...made with adult stem cells. For instance, induced pluripotent stem cells (iPSC) might be able to treat immune diseases, Medical Xpress reported. An article on Science Daily detailed the major...
Adult Stem Cell Advances Continue
April 7, 2011
The momentum for stem cell therapy is still on the side of adult stem cells (ASC), not embryonic stem cell (ESC) research. Here are some recent findings: Blood vessel repair: ...
Tipping Point for Embryonic Stem Cells?
February 13, 2011
...embryonic stem cells (hESC). The article says that iPS cells meet the “gold standard” of pluripotency. In addition, new methods are speeding the tests for pluripotency of iPS cells. Hearty...
Embryonic Stem Cell Advocates Push Against Evidence and Ethics
January 2, 2011
...treatment for blindness, while Geron Corporation is going to try ES cells on spinal cord injuries. “The major concern with stem cell therapies is that the transforming cells...
Cells Manage Stress and Death
December 4, 2010
...suicide for the good of the organism. Two papers in Science describe how cells do it. DNA damage is like an emergency in the field. Fortunately, cells have...
Stem Cells of the Adult Kind Steal the Headlines
November 18, 2010
...stem cells (iPSC) in their experiments. Fat for the heart: Stem cells derived from fat may be safe in humans, said another story in Science Daily. Arthritis hope: Stem cells...
Cells Can Be Transformed
November 8, 2010
...of producing adult-type l blood cells instead of fetal blood cells, a major advantage compared to the thus far disappointing attempts to produce blood cells from human ESCs [embryonic stem...
Cells Know Their Physics
October 27, 2010
...overlook. Two recent papers in the Proceedings of the National Academy of Sciences explored physical mechanisms cells use to good advantage. Good thing cells know their physics, or we could...
Big Gains for Adult Stem Cells Announced
October 4, 2010
...the progress being made with stem cell therapy. The ability to reprogram adult stem cells to behave just like embryonic stem cells really “electrified the field,” said biologist Rudolf Jaenisch. ...
Ethics Shmethics: Scientists Obsessed with Embryonic Stem Cells
September 26, 2010
...view of the rapidly evolving field of stem cell research” including both adult and embryonic stem cells. The article noted that “apart from the scientific and technical challenges, there are...
Piston Engine Joins Rotary Engine in Cells
September 22, 2010
...There are, of course, big open questions – not least, how the gradients might have been tapped by the earliest cells, which certainly lacked such sophisticated protein machinery as the...