Immunoregulomics : a serum autoantibody-based platform for transcription factor profiling

Area of Science:

• Molecular Biology
• Immunology
• Genetics

Background:

• Gene expression is controlled by transcription factors (TFs) that bind to specific DNA sequences.
• Autoantibodies targeting TFs are implicated in various autoimmune diseases.
• Characterizing TF autoantibody interactions is crucial for understanding disease pathogenesis.

Purpose of the Study:

• To adapt and apply the TranSignal TF-TF Interaction Array for characterizing autoantibody reactivity to TFs.
• To compare autoantibody profiles between patients with and without disease.
• To introduce and validate the concept of immunoregulomics.

Main Methods:

• Utilized Panomics TranSignal TF-TF Interaction Array with over 300 cis-elements.
• Employed immunoprecipitation of TF-bound cis-elements from nuclear extracts.
• Hybridized cis-elements to membrane arrays to detect TF-TF interactions and autoantibody binding.
• Verified findings using gel-shift experiments.

Main Results:

• Developed a method termed immunoregulomics to analyze autoantibody interactions with TFs.
• Demonstrated the ability to monitor differences in autoimmune-targeted regulatory TFs.
• Provided qualitative analysis with some quantifiable data on TF interactions.

Conclusions:

• Immunoregulomics offers a novel approach to study autoimmune responses against TFs.
• This method facilitates the identification of potential biomarkers and therapeutic targets in autoimmune diseases.
• The findings pave the way for further investigation into the role of TF autoantibodies in disease.