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Home > All Images > 2002 > December > 6 Dec 2002

Images Dated 6th December 2002

Choose from 15 pictures in our Images Dated 6th December 2002 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Immunofluorescent LM of active macrophages 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