Images Dated 6th December 2002
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Choose from 25 pictures in our Images Dated 6th December 2002 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.
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Featured 6 Dec 2002 Print
Immunofluorescent LM of active macrophages
Active macrophages. Immunofluorescent light micrograph of active macrophage white blood cells producing cytokine proteins. The cells have multiple nuclei (blue). Vaults are red and TIA-1, a protein which stops cytokine overproduction, is yellow/green. Cytokines are released by one cell population in order to influence another. If too much cytokine has been made, TIA-1 stops its production by binding to the mRNA (messenger ribonucleic acid) that codes for it, forming stress bodies (yellow). These macrophages have been activated by exposure to a mock bacterial infection. Macrophages help to kill invading organisms. Magnification: x200 at 5x7cm size
© NANCY KEDERSHA/SCIENCE PHOTO LIBRARY
