A fast sample processing strategy for large-scale profiling of human urine phosphoproteome by mass spectrometry

Talanta
Xinyuan ZhaoWeijie Qin

Abstract

Liquid biopsies using body fluids have gained much attention in recent years due to their multiple advantages in clinical diagnosis, such as less/non-invasive collection, suitability for longitudinal disease monitoring, and better representation of tumor heterogeneity. As an attractive choice for liquid biopsy, urine proteins and their post-translational modifications (PTMs) have the potential to offer significant insights into physiological variations and pathological changes in the human body. However, due to the intrinsically large variability of urine proteins and their PTMs among different individuals, there is a high demand for strategies for high-throughput analysis of a large number of samples to obtain a comprehensive view and a reliable reference interval of the urine proteome. In this work, we proposed a new urine phosphoproteome sample processing strategy that combines fast protein extraction, efficient multiple immobilized-proteases digestion, and tandemly connected centrifugal tips device-based facile phosphopeptide enrichment & fractionation. This strategy is capable of paralleled sample processing with an approximate five-fold reduction in processing time and is therefore particularly suitable for handling a lar...Continue Reading

Citations

Oct 1, 2020·The Analyst·Mustafa Gani SürmenNesrin Emekli

❮ Previous
Next ❯

Related Concepts

Related Feeds

Cancer -Omics

A variety of different high-throughput technologies can be used to identify the complete catalog of changes that characterize the molecular profile of cohorts of tumor samples. Discover the latest insights gained from cancer 'omics' in this feed.