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Updated: Jan 20, 2026

Analysis of Histone Antibody Specificity with Peptide Microarrays
Published on: August 1, 2017
Protein domain microarrays as a platform to decipher signaling pathways and the histone code
Jianji Chen1, Cari Sagum2, Mark T Bedford2
1Department of Epigenetics and Molecular Carcinogenesis, The University of Texas MD Anderson Cancer Center, Smithville, TX 78957, USA; Graduate Program in Genetics & Epigenetics, The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX 77030, USA.
Protein domain microarrays rapidly identify protein interactions and potential drug targets. This review details their history, applications, and future directions in biomedical research.
Area of Science:
- Biochemistry and Molecular Biology
- Proteomics
- Biomedical Research
Background:
- Signal transduction relies on protein interactions modulated by posttranslational modifications (PTMs).
- Protein domains act as crucial readers of PTM signals.
- Protein domain microarrays offer a high-throughput method for studying these interactions.
Purpose of the Study:
- To review the history, development, and applications of protein domain microarrays.
- To highlight methods used at the Protein Array and Analysis Core (PAAC).
- To discuss the identification of novel protein-protein interactions and blocking small molecules.
Main Methods:
- Utilizing protein domain microarrays for high-throughput screening.
- Focusing on techniques employed by the PAAC.
- Investigating the identification of protein-protein interactions and small molecule inhibitors.
Main Results:
- Protein domain microarrays are effective for identifying protein-protein interactions.
- This technology can discover small molecules that disrupt these interactions.
- The PAAC employs specific approaches for array development and analysis.
Conclusions:
- Protein domain microarrays are a valuable tool in biomedical research.
- The technique facilitates the discovery of novel interactions and therapeutic agents.
- Addressing technical limitations and future advancements is essential for the field.
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