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© Cyril FRESILLON/IPBS/CNRS Photothèque
Immunofluorescence staining of cells infected by HIV, previously fixed on a glass slide. Human macrophages, immune cells, were extracted from the blood of healthy donors. These were then put into culture and co-infected with HIV and Mycobacterium tuberculosis, the agent responsible for tuberculosis. The infected cells were stained with visible fluorescent antibodies which specifically recognize HIV. Immunofluorescence is used to track the development of the HIV infection and to understand the mechanisms that explain the aggravation of the infection induced by tuberculosis.
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