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.
In avian species, a gene induces programmed cell death during development in the area where a phallus would otherwise grow.
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.
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.
A study demonstrating the production of human stem cells through cloning contained several mislabeled images, but the authors insist the results are real.
Italian lawmakers have demanded formal approval for a controversial stem-cell therapy, but allowed some patients to continue treatment under stricter rules.
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