Cell Therapy (IMAGE)

Johns Hopkins Medicine

Cell Therapy

Caption

A fluorescent image of tissue from a study volunteer who received skin cell therapy and an injection of collagen-PMMA filler. Three types of cells called keratinocytes, which comprise the outermost layer of skin, are highlighted in pink, light blue and teal. Immune cells (orange) are present throughout the sample alongside fat cells (chartreuse) and endothelial cells (neon green). Their recruitment is believed to represent an immune response initiated by the presence of poly(methyl methacrylate) (PMMA), which is not degraded by the body over time.

Credit

Sam S. Lee, Johns Hopkins Medicine

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