Journal
CELLS
Volume 11, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/cells11193127
Keywords
Toll-like receptors (TLRs); innate immunity; immunology; Drosophila; LPS; innate immune signaling; Nobel Prize; TIR domain
Categories
Funding
- European Research Council Metabinate [834370]
- Science Foundation Ireland [19/FFP/6507]
- European Union [813343]
- Wellcome Trust [205455]
- European Research Council (ERC) [834370] Funding Source: European Research Council (ERC)
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The Nobel Prize in Physiology or Medicine was awarded in 2011 to three immunologists – Bruce A. Beutler, Jules A. Hoffmann, and Ralph M. Steinman. Their research in innate and adaptive immunity significantly advanced the understanding of the immune system. Hoffmann's discovery of the toll gene and Beutler's characterization of the Toll-like gene played crucial roles in the field of innate immune sensing and its implications in infections.
In 2011, the Nobel Prize in Physiology or Medicine was awarded to three immunologists: Bruce A. Beutler, Jules A. Hoffmann, and Ralph M. Steinman. While Steinman was honored for his work on dendritic cells and adaptive immunity, Beutler and Hoffman received the prize for their contributions to discoveries in innate immunity. In 1996, Hoffmann found the toll gene to be crucial for mounting antimicrobial responses in fruit flies, first implicating this developmental gene in immune signaling. Two years later, Beutler built on this observation by describing a Toll-like gene, tlr4, as the receptor for the bacterial product LPS, representing a crucial step in innate immune activation and protection from bacterial infections in mammals. These publications spearheaded research in innate immune sensing and sparked a huge interest regarding innate defense mechanisms in the following years and decades. Today, Beutler and Hoffmann's research has not only resulted in the discovery of the role of multiple TLRs in innate immunity but also in a much broader understanding of the molecular components of the innate immune system. In this review, we aim to collect the discoveries leading up to the publications of Beutler and Hoffmann, taking a close look at how early advances in both developmental biology and immunology converged into the research awarded with the Nobel Prize. We will also discuss how these discoveries influenced future research and highlight the importance they hold today.
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