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In-Depth Comparison of Matrigel Dissolving Methods on Proteomic Profiling of Organoids by Man Wang; Huan Yu; Ting Zhang; Lihua Cao; Yang Du; Yuhao Xie; Jiafu Ji; Jianmin Wu is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is In-Depth Comparison of Matrigel Dissolving Methods on Proteomic Profiling of Organoids about?

Patient-derived organoids recently emerged as promising __ex vivo__ 3D culture models recapitulating histological and molecular characteristics of original tissues, thus proteomic profiling of organoids could be valuable for function investigation and clinical translation. However, organoids are usually cultured in murine Matrigel (served as scaffolds and matrix), which brings an issue to separate organoids from Matrigel. Because of the complex compositions of Matrigel and thousands of identical peptides shared between Matrigel and organoids, insufficiently dissolved Matrigel could influence proteomic analysis of organoids in multiple ways. Thus, how to dissolve Matrigel matrix and recovery organoid cells efficiently is vital for sample preparation. Here, we comprehensively compared three popular Matrigel dissolving methods (cell recovery solution, dispase, and PBS–EDTA buffer) and investigated the effect of undissolved Matrigel proteins on proteomic profiles of organoids. By integrative analysis of label-free proteomes of Matrigel and stable isotope labeling by amino acids in cell culture proteomes of organoids collected by three methods, respectively, we found that dispase showed

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Author

Man Wang; Huan Yu; Ting Zhang; Lihua Cao; Yang Du; Yuhao Xie; Jiafu Ji; Jianmin Wu

Published

2021

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)