Proteomics

Dataset Information

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Divide-and-conquer matrisome protein (DC-MaP) strategy: an optimal approach to proteomic matrisome characterization


ABSTRACT: Currently, the extracellular matrix (ECM) is considered a pivotal complex meshwork of macromolecules playing a plethora of biomolecular functions in health and disease beyond its commonly known mechanical role. Only by unravelling its composition, we can leverage related tissue engineering and pharmacological efforts. Nevertheless, its unbiased proteomic identification still encounters major limitations mainly due to partial ECM enrichment by precipitation, sequential fractionation using unfriendly mass spectrometry (MS) detergents and resuspension with harsh reagents that need to be entirely removed prior to analysis. These methods can be technically challenging and labor-intensive, which affects the reproducibility of ECM identification and induces protein loss. Here, we present a simple new method applicable to tissue fragments of 10 mg and more. The technique involves a standardized procedure for sample processing with an MS-compatible detergent and combined centrifugation. This two-step protocol eliminates the need for laborious sample clarification and divides our samples into 2 fractions, soluble and insoluble, successively enriched with matrisome-associated (ECM-interacting) and core matrisome (structural ECM) proteins.

INSTRUMENT(S): Orbitrap Fusion Lumos

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Ovarian Follicle Layer, Extracellular Matrix Constituent Secretion

SUBMITTER: Didier Vertommen  

LAB HEAD: Amorim Christiani

PROVIDER: PXD020823 | Pride | 2020-12-03

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
GYNE520_1.raw Raw
GYNE520_10.raw Raw
GYNE520_11.raw Raw
GYNE520_12.raw Raw
GYNE520_13.raw Raw
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Publications

Divide-and-Conquer Matrisome Protein (DC-MaP) Strategy: An MS-Friendly Approach to Proteomic Matrisome Characterization.

Ouni Emna E   Ruys Sebastien Pyr Dit SPD   Dolmans Marie-Madeleine MM   Herinckx Gaëtan G   Vertommen Didier D   Amorim Christiani A CA  

International journal of molecular sciences 20201130 23


Currently, the extracellular matrix (ECM) is considered a pivotal complex meshwork of macromolecules playing a plethora of biomolecular functions in health and disease beyond its commonly known mechanical role. Only by unraveling its composition can we leverage related tissue engineering and pharmacological efforts. Nevertheless, its unbiased proteomic identification still encounters some limitations mainly due to partial ECM enrichment by precipitation, sequential fractionation using unfriendly  ...[more]

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