Related Experiment Video
Updated: Apr 20, 2026
06:41
In Vivo Functional Study of Disease-associated Rare Human Variants Using Drosophila
Published on: August 20, 2019
14.5K
Molecular characterization and functional analysis of duck TRAF6
Yajun Zhai1, Fen Luo1, Yushan Chen1
1State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
Developmental and Comparative Immunology
|December 3, 2014
Summary
Researchers identified duck Tumor Necrosis Factor Receptor-Associated Factor 6 (TRAF6) and found it activates key immune pathways. This study clarifies duTRAF6
Area of Science:
- Immunology
- Molecular Biology
- Avian Biology
Background:
- Tumor necrosis factor receptor-associated factor 6 (TRAF6) is a critical intracellular signal transducer in mammalian immunity.
- The specific function of TRAF6 in ducks (duTRAF6) has not been well-defined.
Purpose of the Study:
- To clone and characterize the full-length duck TRAF6 (duTRAF6) cDNA.
- To investigate the role of duTRAF6 in the duck innate immune response.
Main Methods:
- Cloning of full-length duTRAF6 cDNA from duck embryo fibroblasts (DEFs).
- Real-time quantitative reverse transcription-polymerase chain reaction (RT-qPCR) for expression analysis.
- Overexpression and deletion mutant analysis of duTRAF6.
- RNA interference (RNAi) for gene knockdown.
- Assessment of nuclear factor kappa B (NF-κB) and interferon-β (IFN-β) activation.
Main Results:
- Full-length duTRAF6 cDNA was successfully cloned and expressed widely across duck tissues.
- Overexpression of duTRAF6 activated NF-κB and induced IFN-β expression.
- A specific region (aa 115-375) of duTRAF6 was essential for NF-κB activation.
- duTRAF6 knockdown significantly impaired NF-κB activation in response to poly(I:C) and Sendai virus.
Conclusions:
- duTRAF6 is a crucial regulator of the innate immune response in ducks.
- duTRAF6 activates NF-κB signaling, contributing to antiviral defense mechanisms.
