Recently biologists at the University of Massachusetts Amherst led by Wei-lih Lee have identified a new molecular player in asymmetric cell division, a regulatory protein named She1 whose role in chromosome- and spindle positioning ...
Cell & Microbiology
Nov 8, 2012
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(Phys.org)—A research team at the National Institute of Standards and Technology (NIST) has developed a model for making quantifiable predictions of how a group of cells will react and change in response to a given environment ...
Biochemistry
Nov 1, 2012
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Imagine reading an entire book, but then realizing that your glasses did not allow you to distinguish "g" from "q." What details did you miss? Geneticists faced a similar problem with the recent discovery of a "sixth nucleotide" ...
Cell & Microbiology
May 17, 2012
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(Phys.org) -- New research findings show that embryonic stem cells unable to fully compact the DNA inside them cannot complete their primary task: differentiation into specific cell types that give rise to the various types ...
Cell & Microbiology
May 11, 2012
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Northwestern University scientists have developed a powerful analytical method that they have used to direct stem cell differentiation. Out of millions of possibilities, they rapidly identified the chemical and physical structures ...
Cell & Microbiology
Mar 6, 2012
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Human pluripotent stem cells, which can develop into any cell type in the body, rely heavily on glycolysis, or sugar fermentation, to drive their metabolic activities.
Cell & Microbiology
Nov 15, 2011
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Like fine chefs, scientists are seemingly approaching a day when they will be able to make nearly any type of tissue from human embryonic stem cells. You need nerves or pancreas, bone or skin? With the right combination of ...
Biotechnology
Aug 14, 2011
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(PhysOrg.com) -- A mechanism that regulates stem-cell differentiation in mice testes suggests a similar process that may trigger degenerative disease in humans, according to a Penn State College of Agricultural Sciences reproductive ...
Biotechnology
Jun 25, 2010
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Like homing in to an elusive radio frequency in a busy city, human embryonic stem cells must sort through a seemingly endless number of options to settle on the specific genetic message, or station, that instructs them to ...
Cell & Microbiology
Mar 1, 2010
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The same genes that are chemically altered during normal cell differentiation, as well as when normal cells become cancer cells, are also changed in stem cells that scientists derive from adult cells, according to new research ...
Cell & Microbiology
Nov 5, 2009
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