Artwork: Inside the AIDS virus,monocyte/T4 cell
Numéro d’image : 11833084
| Artwork entitled "Inside the AIDS Virus",showing a possible mechanism by which the Human Immunodeficiency Virus (HIV) disables the immune system through the interaction of a monocyte (blue) & a T4 cell (pink). In a normal immune response,monocytes function to engulf & process foreign antigens,presenting fragments (as MHC molecules) for recognition by receptors (CD4) on T4 cells. However,HIV also binds to CD4 & may prevent this antigen presentation. Here,an antigen presented by the monocyte appears yellow. The cup-shaped CD4 is filled with HIV protein (green) & so is "blind" to the MHC and the antigen. Thus the immune response is cancelled. First published New Scientist,10 February 1990 | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Gifford, David |
| Taille de l’image : | 5527 px × 4458 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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