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16th Hermann Staudinger Lecture with Nobel Laureate Jules Hoffmann

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Innate immunity: from flies to humans

Nobel Laureate Jules Hoffmann

Nobel Prize in Physiology or Medicine 2011

"Innate Immunity: From Flies to Humans" // Podcast available
When Jan 21, 2014
from 06:00 PM to 07:00 PM
Where Anatomy Lecture Hall, Albertstr. 19, 79104 Freiburg
Contact Name
Contact Phone +49(0)761 203-97407
Attendees Open to the public
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Innate immunity : from flies to humans
Insects make up nearly 80% of all extant species on earth and present a formidable challenge as they put one third of humanity at continuous risk of often severe diseases, namely through their role as vectors of various types of pathogens. Insects have long been known to be resistant to various types of bacterial, fungal, viral and parasitic infections. The mechanisms underlying this resistance, other than the well known process of phagocytosis, have only been addressed relatively recently, and a general simplified picture of these defences will be presented. The fruitfly Drosophila is to be credited for much of the progress in the field. Genetic analysis has identified two signaling pathways which control the expression of antimicrobial peptides: the Toll pathway, which primarily controls the response to fungi and Gram-positive bacteria, and the IMD pathway which is efficient in fighting Gram-negative bacterial infections.

Unexpectedly, the unravelling of the Drosophila antimicrobial defences has had an impact on understanding some essential facets of mammalian immunity. It has also led to a renewed interest in innate immunity, a long neglected field in the study of antimicrobial defences in general. In particular, the contribution of the Drosophila model to our present understanding of innate immunity, from sea anemones to humans, will be highlighted.

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