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Scanning electron micrograph of murine neural stem and progenitor cells migrating in a polyglycolic acid biosynthetic scaffold in culture (image courtesy Erin Lavik and Robert Langer). On p. 1111, Snyder and colleagues apply neural stem cell—seeded scaffolds for brain repair.
Two reports on immortalized neural precursor cells, seeded in a biodegradable polymer scaffold or directly injected in the injured brain, offer insights into the repair of damage from stroke and Parkinson's disease.
The Plasmodium falciparum genome sequence will facilitate the identification of novel classes of antimalarials and new vaccine candidates that bring the control of malaria in humans one step closer.
Although the US Supreme Court upheld the patent eligibility of plants, issues remain concerning the decision's implementation and other forms of plant IP protection.