The cell fragments play a role in the body’s first line of defense against bacterial infection, helping white blood cells grab blood-borne bacteria in the liver.
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Supreme Court says no patenting (natural) genes; brain-computer interfaces mimic motor learning in brain; regenerating finger tips; gene therapy goes deeper; NIH needs more diversity; cross-border collaboration
Researchers identify the signaling program that enables finger and toenail stem cells to direct digit regeneration after amputation.
Rules regarding the use of cells derived from human embryos will deny many US researchers the chance to study new stem-cell lines created by cloning.
In the fruit fly, the ability of neural stem cells to make the full repertoire of neurons is regulated by the movement of key genes to the nuclear periphery.
Turning cell phones into basic research tools can improve health care in the developing world.
Researchers use DNA from ancient tooth tartar to chart changes in the bacterial communities that have lived in human mouths for 8,000 years.
As new infections surface and spread, science meets the challenges with ingenuity and adaptation.
Malaria parasites transmitted via mosquitoes elicit a more effective immune response and cause less severe infection than those directly injected into red blood cells.
Long-term stroke patients involved in a small-scale clinical trial of a neural stem-cell therapy show signs of recovery.
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