Tape-Stripped Proteomics: A Comparative Analysis of Different Sample Collection Approaches

The study explores the impact of sampling surrounding normal-looking skin and the amount of pressure applied during the collection of stratum corneum samples using adhesive discs, aiming to improve the reproducibility of proteomic data in skin research. Researchers collected samples from six participants, examining moles and nearby normal skin. Different pressures and marking techniques were used on three moles and normal skin, ensuring variation in sample collection methods. Proteins were then extracted, processed, and analyzed using mass spectrometry and specialized software to identify and quantify proteins. Results were analyzed for differential protein abundance, providing insights into the optimal collection conditions for more accurate skin protein profiling.