Multiplexed Isobaric Tagging Protocols for Quantitative Mass Spectrometry Approaches to Auditory Research

Area of Science:

• Proteomics
• Biochemistry
• Molecular Biology

Background:

• Quantitative proteomics is essential for understanding biological processes.
• Implementing protein quantification techniques can be complex and time-consuming.
• Standardized protocols are needed for reliable protein abundance analysis.

Purpose of the Study:

• To detail a robust protein labeling procedure for differential quantification.
• To enable accurate protein abundance analysis in complex biological samples.
• To guide researchers in selecting appropriate protein labeling strategies.

Main Methods:

• Development of a detailed protein labeling protocol for complex cell lysates.
• Adaptation of the protocol for tissue lysates with minor modifications.
• Mass spectrometric analysis for peptide quantification and protein identification.

Main Results:

• Successful implementation of a robust protein labeling procedure.
• Generation of interpretable and unbiased data for differential protein quantification.
• Facilitation of accurate protein identification and quantification.

Conclusions:

• The presented protein labeling method is effective for differential quantification.
• The protocol is adaptable for various sample types, including tissues.
• This work provides a valuable resource for researchers in quantitative proteomics.