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Updated: Jul 8, 2025

A Mass Spectrometry-Based Approach to Identify Phosphoprotein Phosphatases and their Interactors
Published on: April 29, 2022
iProPhos: A Web-Based Interactive Platform for Integrated Proteome and Phosphoproteome Analysis.
Jing Zou1, Ziran Qin1, Ran Li2
1The Second Affiliated Hospital and Life Sciences Institute and School of Medicine, The MOE Key Laboratory of Biosystems Homeostasis and Protection and Zhejiang Provincial Key Laboratory for Cancer Molecular Cell Biology, Zhejiang University, Hangzhou, China.
iProPhos is a new web tool for analyzing cancer proteomics data. It helps researchers explore mass spectrometry data, identify drug targets, and understand disease biology.
Area of Science:
- Proteomics
- Bioinformatics
- Cancer Research
Background:
- Large-scale omics studies generate vast proteomics data.
- Limited web-based tools hinder proteomics data reuse.
- Cancer proteomics offers insights beyond genomic data.
Purpose of the Study:
- Introduce iProPhos, a user-friendly web server for proteomics data analysis.
- Enable interactive and customizable analysis and visualization of proteomics and phosphoproteomics data.
- Facilitate the discovery of novel therapeutic targets and understanding of cancer biology.
Main Methods:
- Integrated 1444 tumor and 746 normal samples from CPTEC across 12 cancer types.
- Developed functionalities for profiling, differential expression, survival, and correlation analyses.
- Included protein-protein interaction, kinase-substrate, and functional enrichment analyses.
- Enabled user data upload for personalized analysis.
Main Results:
- Demonstrated iProPhos's capability to identify potential drug targets and upstream kinases.
- Showcased interactive visualization of analytical results.
- Facilitated protein-protein, mRNA-protein, and kinase-substrate correlation analyses.
- Provided functional and kinase-substrate enrichment analyses.
Conclusions:
- iProPhos effectively leverages big data in cancer proteomics.
- Accelerates the discovery of novel therapeutic targets.
- Empowers researchers with accessible analysis and visualization tools for proteomics data.
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