Myeloid Differentiation Primary Response Protein 88 (MyD88): The Central Hub of TLR/IL-1R Signaling
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Updated: Dec 9, 2025

Activation and Measurement of NLRP3 Inflammasome Activity Using IL-1β in Human Monocyte-derived Dendritic Cells
Published on: May 22, 2014
Lingfeng Chen1,2,3, Lulu Zheng4, Pengqin Chen1
1Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
Abstract:
Myeloid differentiation primary response protein 88 (MyD88) is a ubiquitously expressed cytoplasmic adaptor protein that plays a central role in the Toll-like receptor (TLR) and interleukin-1 receptor (IL-1R) signaling pathways. TLR/IL-1R pathways regulate the proliferation and differentiation of cells involved in the innate and adaptive immunity. Although the general TLR/IL-1R activation cascade is well understood, the molecular mechanisms involving MyD88 have only begun to surface in the past decade. In this review, we explore MyD88 structural biology, the role of posttranslational modifications (PTMs), and the recent developments in MyD88 inhibitor discovery and use. We also highlight the potential application of MyD88-targeted therapies in human diseases.
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