Immune response against parasitic worms, illustration

Numéro d’image : 13426515
Immune response against parasitic worms, illustration
Illustration showing the immune response to parasitic worms (helminths, red-black cylindrical tubes) that have damaged an area of the gut (centre). This damage activates a group of cytokines (signalling molecules) called alarmins. Alarmins are released by damaged, dead or dying cells. An example of an alarmin is interleukin-25 (IL-25, orange fog), which can induce another group of cells called innate lymphoid cells (ILC-2, blue spheres). ILC-2 cells produce cytokines including interleukin-13 (IL-13, purple fog), that initiate and amplify the type 2 immune response. The type 2 immune response responds to parasites, external toxins, venom and allergens in the body. IL-13 also modulates the secretion of mucus (far right, green) to repair the area damaged by helminths. Dendritic cells (red sphere, lower left) capture and display helminth antigens.
Licence : Droits gérés
Crédit: Science Photo Library / KEITH CHAMBERS
Taille de l’image : 6300 px × 4713 px
Model Release : Non requis
Property Release : Non requis
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