Brief Introduction: Cell Migration Assay A brief introfuction of label-free protein quantification methods Brief Introduction of SILAC Mass Spectrometry-Based Proteomics Quantification: iTRAQ Short chain fatty acids analysis Methods to Detect Protein-Protein Interaction Brief Introduction of Protein-Protein Interactions (PPIs) The Application and Methods for Peptidomics Mass Spectrometry-based Peptidomics for Biomaker Discovery Protein Phosphorylation Analysis by Mass Spectrometry Introduction of Protein Acetylation Strategies for Post-translational Modification (PTM) Brief introduction of post-translational modifications (PTMs) Glycomics Analysis by Mass Spectrometry Brief introduction of Western blot