Related Experiment Video
Updated: Jul 2, 2026

12:59
Isolation and Th17 Differentiation of Naïve CD4 T Lymphocytes
Published on: September 26, 2013
An overview of IL-17 function and signaling
1University at Buffalo, State University of New York, Department of Oral Biology, , Buffalo, NY 14214, USA. sig665@pitt.edu
Cytokine
|August 15, 2008
Summary
Interleukin-17 (IL-17) is a key cytokine in the Th17 system. This review explores the biochemistry, molecular biology, and biological activities of IL-17 and its related signaling pathways.
Area of Science:
- Immunology
- Molecular Biology
- Biochemistry
Background:
- Cytokines are crucial signaling molecules in immunity.
- Despite numerous cytokines, they belong to limited subfamilies with shared features.
- Interleukin-17 (IL-17) is the newest cytokine subclass, central to the Th17 system.
Purpose of the Study:
- To review the biochemistry, molecular biology, and biological activities of cytokines.
- To focus on Interleukin-17 (IL-17) and its role in the Th17 system.
Main Methods:
- Review of existing literature on cytokines and Interleukin-17.
- Analysis of structural and functional features of cytokine families.
- Examination of signal transduction mechanisms.
Main Results:
- Cytokines, despite their diversity, fall into limited subfamilies.
- Interleukin-17 (IL-17) has gained significant attention due to its role in Th17 cells.
- Shared features across cytokine families provide a framework for understanding their function.
Conclusions:
- Understanding cytokine families and Interleukin-17 is vital for immunology research.
- IL-17's central role in the Th17 system warrants further investigation.
- The review provides a framework for comprehending cytokine biology and signal transduction.
Related Concept Videos
T Cell Types and Functions
When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
The JAK-STAT Signaling Pathway
Several cytokine receptors have tightly bound Janus kinase or JAK proteins attached at their cytosolic tail. Small signaling molecules such as cytokines, growth hormones, or prolactins bind to the cytokine receptors and initiate their dimerization. The dimerization brings the cytosolic JAKs together that trans-phosphorylate and activates each other. The activated JAKs now phosphorylate cytosolic tails of the cytokine receptors, which serve as binding sites for adaptor proteins such as SH2...
Non-Canonical Wnt Signaling Pathways
Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
Non-Canonical Wnt Signaling Pathways
Wnt is a zygotic effect gene that is expressed during very early embryonic development. It regulates various processes in animals starting from early development through the adult stage, such as organogenesis in the embryo and maintenance of neuronal and blood stem cells. Wnt proteins can induce a wide variety of intracellular pathways depending upon the specific abilities of different Wnt ligands to form a complex with shared and cognate receptors in the presence of different co-receptors. The...
TGF - β Signaling Pathway
The TGF-β signaling pathway regulates cell growth, differentiation, adhesion, motility, and development. TGF-β ligands that induce TGF-β signaling are synthesized in their latent form. Several proteases or cell surface receptors such as integrins act upon the latent form, releasing the active ligand. There are three types of mammalian TGF-βs: (TGF-β1, TGF-β2, and TGF-β3) that bind as homodimers or heterodimers to TGF-β receptors. The TGF-β receptors are of three kinds RI, RII, and RIII. The RI...
NF-κB-dependent Signaling Pathway
The transcription factor NF-κB was discovered in 1986 in the lab of Nobel laureate Professor David Baltimore, for its interaction with the immunoglobulin light chain enhancer in B-cells. After more than three decades of study, it is now evident that NF-κB regulates the expression of over 100 genes. Most of these genes play an essential role in the innate and adaptive immune responses as well as the inflammatory responses of animals.
NF-κB-dependent Signaling Mechanism
The heterodimer of NF-κB...
NF-κB-dependent Signaling Mechanism
The heterodimer of NF-κB...

