28.7 MB (1.5 MB compressed)
3500 x 2864 pixels
29.7 x 24.1 cm ⏐ 11.7 x 9.5 in (300dpi)
RICCARDO CASSIANI-INGONI / SCIENCE PHOTO LIBRARY RICCARDO CASSIANI-INGONI / SCIENCE PHOTO LIBRARY
Nerve cell trauma response. Fluorescent light micrograph of a section through a spinal cord affected by multiple sclerosis (MS). Reactive astrocytes and glial progenitor cells are producing the proteins GFAP (glial fibrillary acidic protein, green) and NG2 (red) respectively, in an attempt to repair the damaged nerve cells. Cell nuclei are dyed blue. MS is an autoimmune condition, in which the immune system attacks nerve cells, impairing their ability to relay signals efficiently.
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