

The Tumultuous Tale of Th17-and the IL23/IL17 immune axis
In this episode, we dive into a two-part story of intrigue starting from a paradigm shift in understanding of T cell biology because of a mouse model of post-measles encephalopathy, to the eventual recognition of the IL-23/17 immune axis.
• Intro 0:01 • In this episode 0:12 • Interleukin-17 (IL-17) is a relatively recent discovery 1:34 • The beginning of TH-17 2:20 • Looking at autoimmune encephalopathy: A story of measles 03:30 • 1790’s woman with post measles inflammatory process in the brain 10:26 • What is causing post-infection encephalitis? 12:00 • Acute disseminated encephalomyelitis 12:30 • How did we find out the immune system was behind this - The rabies vaccine 13:09 • Similarity between the rabies vaccine and infections like measles 16:04 • T-cell lymphocytes 17:12 • The forgotten thymus 18:00 • What’s the function of T-cells? 19:35 • How do you tell T-cells apart? 21:14 • The Human Leukocyte Differentiation Antigens Party 24:05 • The godfather of T-cells 24:45 • The TH-1 and TH-2 axis 27:30 • Experimental Autoimmune Encephalomyelitis model screwed everything up 29:16 • Interferon gamma 32:32 • What’s missing? IL-23 surprise 33:40 • IL-17 in the 1990’s 36:44 • The world is introduced to TH-17 39:12 • Let’s recap what we learned 40:30 • That is the end! 42:30 • Thanks for listening 42:39
We’d love to hear from you! Send your comments/questions to Dr. Brown at rheuminationspodcast@healio.com. Follow us on Twitter @HRheuminations @AdamJBrownMD @HealioRheum.
References:
Bashyam H. J Exp Med. 2007;doi:10.1084/jem.2042fta
Bennetto L, et al. J Neurol Neurosurg Psychiatry. 2004;doi:10.1136/jnnp.2003.034256
Berche P. Presse Med. 2022;doi:10.1016/j.lpm.2022.104149
El-behi M, et al. J Neuroimmune Pharmacol. 2010;doi:10.1007/s11481-009-9188-9
Gooderham MJ, et al. J Eur Acad Dermatol Venereol. 2018;doi:10.1111/jdv.14868
Hawkes JE, et al. J Immunol. 2018;doi:10.4049/jimmunol.1800013
Rogozynski N, et al. Immunol Lett. 2024;doi:10.1016/j.imlet.2024.106870
Sospedra M, et al. Annu Rev Immunol. 2005;doi:10.1146/annurev.immunol.23.021704.115707
Steinman L. Nat Med. 2007;doi:10.1038/nm1551
Disclosures: Brown reports no relevant financial disclosures.