Not exact matches
His laboratory already has shown that by inhibiting calcium
channels in T -
cells, they were able to prevent T -
cell activation in
animal models of autoimmune diseases like multiple sclerosis and colitis.
«When we exposed a near - infrared laser beam to these
animal models injected with both the nanoparticle and the genetically engineered immune
cells, this caused calcium
channels on the dendritic
cells to open and we saw a corresponding increase in the number of T -
cells that were activated,» said Han.
To investigate just how this change affects an
animal's sense of novelty, Burwell and her colleagues infected brain
cells in rats» perirhinal cortex with a virus containing a light - activated
channel.