66.4 MB (2.4 MB compressed)
5315 x 4364 pixels
45.0 x 36.8 cm ⏐ 17.7 x 14.5 in (300dpi)
JAMES KING-HOLMES / NICK GOULDING / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / NICK GOULDING / SCIENCE PHOTO LIBRARY
Neutrophils. Fluorescent light micrograph of neut- rophil white blood cells. Cell nuclei are orange and a natural cell protein, lipocortin-1 is green. Lipocortin-1 has a role in preventing rheumatoid arthritis. Neutrophils normally move through blood vessels to sites of infection in the tissues, where they engulf invading microorganisms. In rheumatoid arthritis, neutrophils attack body tissue. Researchers have shown that lipocortin-1 naturally discourages neutrophils from leaving the blood stream & causing inflammation. Substances that mimic this effect may be an effective treatment for rheumatoid arthritis.
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