Darren K. W. Chan

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Nanoparticles such as liposomes may be used as drug delivery vehicles for brain tumor therapy. Particle geometry and electrostatic properties have been hypothesized to be important determinants of effective tumor targeting after intraarterial injection. In this study, we investigate the combined roles of liposome size and surface charge on the effectiveness(More)
Retinal ganglion cells (RGCs), used as a common model of central nervous system injury, are particularly vulnerable to metabolic and oxidative damage. However, molecular mechanisms underlying this sensitivity have not been determined in vivo. PGC-1α (encoded by PPARGC1A) regulates adaptive metabolism and oxidative stress responses in a tissue- and(More)
Reactive gliosis is an early pathological feature common to most neurodegenerative diseases, yet its regulation and impact remain poorly understood. Normally astrocytes maintain a critical homeostatic balance. After stress or injury they undergo rapid parainflammatory activation, characterized by hypertrophy, and increased polymerization of type III(More)
Biomechanical insult contributes to many chronic pathological processes, yet the resulting influences on signal transduction mechanisms are poorly understood. The retina presents an excellent mechanotransduction model, as mechanical strain on sensitive astrocytes of the optic nerve head (ONH) is intimately linked to chronic tissue remodeling and excavation(More)
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