Semaphorins were discovered 11 years ago as molecular cues for axon guidance that are conserved from invertebrates to humans. More than 20 semaphorin genes have been identified in mammals and their protein products are now known to be involved in a range of processes from the guidance of cell migration to the regulation of the immune response, angiogenesis and cancer. Plexins, either alone or i...

How do we approach a security community in crisis? This article theorises crisis dynamics and on communities. communities evolve during crises, how can best such crises analytically? Responding to lack of focus knowledge the literature communities, this develops methodological model study crisis. I argue that could around four analytical categories: processes constituting power struggles tempor...