Pulling a leg
نویسندگان
چکیده
منابع مشابه
Pulling on a cytokine
In This Issue In This Issue Pulling on a cytokine he extracellular matrix (ECM) acts as a storage facility for tons of factors waiting to do business in the cell. Annes et al. (page 723) show that the ECM anchoring of one factor, the cytokine TGF- , is essential for its activation. The anchoring may give cells something to pull against, with the pulling mediating the activation. Most TGF- is ...
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متن کاملPulling backwards
extinguished by the transfer. But the extent of the transformation is not yet clear. “It’s possible that what we are doing is turning everything into an oocyte,” says Gurdon. But he believes that oct4 expression is a good sign that the cells are at least headed toward becoming stem cells. Stem cell characteristics may develop only through sequential inductive events. But the optimists are hopin...
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A survey of 150 papers from the Proceedings of the Eighth National Conference on Artificial Intelligence (AAAI-90) shows that AI research follows two methodologies, each incomplete with respect to the goals of designing and analyzing AI systems but with complementary strengths. I propose a mixed methodology and illustrate it with examples from the Proceedings. AAAI-90 Survey: Pulling Together o...
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ژورنال
عنوان ژورنال: Nature Materials
سال: 2006
ISSN: 1476-1122,1476-4660
DOI: 10.1038/nmat1793