Proteomics

Dataset Information

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The proteome data of human mesenchymal stem cell derived from healthy donors


ABSTRACT: The protein samples stored at -80 °C were thawed and treated with lysis buffer (8M urea, 1% protease inhibitor, 50mM NH4HCO3) for 5 minutes in room temperature. After ultrasonic cracking on ice and centrifugation at 14000g for 10 min at 20 °C, the amount of total protein of each MSC sample was detected by bicinchoninic acid assay (Beijing Solarbio Science & Technology Co., Ltd., Beijing, China) using NanoDrop ND-1000 spectrophotometer (Thermo Fisher Scientific, Inc., Sunnyvale, CA, USA). Protein digestion was carried out by a filter-aided sample preparation technique. Briefly, 50 μg of a sample was loaded onto a Microcon filter unit YM-30 (Millipore) and washed with 8 M urea, followed by protein alkylation with 50 mM iodoacetamide in 8 M urea in darkness for 20 min. After alkylation, the filters were washed twice with 8 M urea and twice with 40 mM ammonium bicarbonate. Trypsin (Promega, Madison, WI, USA) was added to the samples at 100:1 protein-to-enzyme ratio and incubated overnight at 37 °C. Later the same

ORGANISM(S): Homo Sapiens

SUBMITTER: Lei Zhang  

PROVIDER: PXD033812 | iProX | Mon Jun 12 00:00:00 BST 2023

REPOSITORIES: iProX

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Publications

Multi-omics analysis of human mesenchymal stem cells shows cell aging that alters immunomodulatory activity through the downregulation of PD-L1.

Gao Yuchen Y   Chi Ying Y   Chen Yunfei Y   Wang Wentian W   Li Huiyuan H   Zheng Wenting W   Zhu Ping P   An Jinying J   Duan Yanan Y   Sun Ting T   Liu Xiaofan X   Xue Feng F   Liu Wei W   Fu Rongfeng R   Han Zhibo Z   Zhang Yingchi Y   Yang Renchi R   Cheng Tao T   Wei Jun J   Zhang Lei L   Zhang Xiaomin X  

Nature communications 20230720 1


Mesenchymal stem cells (MSCs) possess potent immunomodulatory activity and have been extensively investigated for their therapeutic potential in treating inflammatory disorders. However, the mechanisms underlying the immunosuppressive function of MSCs are not fully understood, hindering the development of standardized MSC-based therapies for clinical use. In this study, we profile the single-cell transcriptomes of MSCs isolated from adipose tissue (AD), bone marrow (BM), placental chorionic memb  ...[more]

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