This review provides some preliminary support for the potential importance of self-management interventions after stroke. The most appropriate content and best approach for delivery of these interventions remains to be determined. Further high-quality randomized controlled trials are needed to test the feasibility, acceptability, and efficacy of stroke self-management programmes.
Traumatic brain injury (TBI) is a silent epidemic affecting approximately 1.4 million Americans annually, at an estimated annual cost of $60 billion in the United States alone. Despite an increased understanding of the pathophysiology of closed head injury, there remains no pharmacological intervention proven to improve functional outcomes in this setting. Currently, the existing standard of care for TBI consists primarily of supportive measures. Apolipoprotein E (apoE) is the primary apolipoprotein synthesized in the brain in response to injury, where it modulates several components of the neuroinflammatory cascade associated with TBI. We have previously demonstrated that COG133, an apoE mimetic peptide, improved functional outcomes and attenuated neuronal death when administered as a single intravenous injection at 30 min post-TBI in mice. Using the principles of rational drug design, we developed a more potent analog, COG1410, which expands the therapeutic window for the treatment of TBI by a factor of four, from 30 min to 2 h. Mice that received a single intravenous injection of COG1410 at 120 min post-TBI exhibited significant improvement on a short term test of vestibulomotor function and on a long term test of spatial learning and memory. This was associated with a significant attenuation of microglial activation and neuronal death in the hippocampus, the neuroanatomical substrate for learning and memory. Rationally derived apoE mimetic peptides have been demonstrated to exert neuroprotective and anti-inflammatory effects in vitro and in clinically relevant models of brain injury. This represents a novel therapeutic strategy in the treatment of TBI.
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