Proteomics

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In-depth data independent acquisition-mass spectrometry proteomic analysis of juvenile dermatomyositis serum samples reveals protein expression changes associated with muscle-specific autoantibodies


ABSTRACT: We analyzed sera from five JDM patients, each with three MSAs (anti-melanoma differentiation-associated protein 5 antibodies; anti-MDA5, anti-nuclear matrix protein 2 antibodies; anti-NXP2, or anti-transcriptional intermediary factor 1 alpha and/or gamma subunits antibodies; anti-TIF-1γ) and five healthy controls by single-shot LC-MS/MS in data-independent acquisition (DIA) mode to construct protein profiles associated with clinical symptoms and MSAs.

ORGANISM(S): Homo Sapiens (human)

SUBMITTER: Hironori Sato 

PROVIDER: PXD036960 | JPOST Repository | Sun Apr 23 00:00:00 BST 2023

REPOSITORIES: jPOST

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Publications

In-depth proteomic analysis of juvenile dermatomyositis serum reveals protein expression associated with muscle-specific autoantibodies.

Sato Hironori H   Inoue Yuzaburo Y   Kawashima Yusuke Y   Konno Ryo R   Ohara Osamu O   Kuwana Masataka M   Kobayashi Norimoto N   Takezaki Shunichiro S   Akioka Shinji S  

Rheumatology (Oxford, England) 20231001 10


<h4>Objectives</h4>The clinical symptoms and complications of JDM differ depending on the type of muscle-specific autoantibodies (MSAs) present. We aimed to identify protein expression profiles specific for MSAs that characterize various clinical features by comprehensively analyzing the proteins present in the serum of patients with JDM.<h4>Methods</h4>We analysed sera from patients with JDM that were positive for anti-melanoma differentiation-associated protein 5 (MDA5) antibodies (n = 5), ant  ...[more]

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