Uncovering stem cell differentiation factors for salivary gland regeneration by quantitative analysis of differential proteomes

Severe xerostomia (dry mouth) compromises the quality of life in patients with Sjögren's syndrome or radiation therapy for head and neck cancer. A clinical management of xerostomia is often unsatisfactory as most interventions are palliative with limited efficacy. Following up our previous stud...

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Veröffentlicht in:PloS one 2017-02, Vol.12 (2), p.e0169677-e0169677
Hauptverfasser: Park, Yun-Jong, Koh, Jin, Kwon, Jin Teak, Park, Yong-Seok, Yang, Lijun, Cha, Seunghee
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Koh, Jin
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Park, Yong-Seok
Yang, Lijun
Cha, Seunghee
description Severe xerostomia (dry mouth) compromises the quality of life in patients with Sjögren's syndrome or radiation therapy for head and neck cancer. A clinical management of xerostomia is often unsatisfactory as most interventions are palliative with limited efficacy. Following up our previous study demonstrating that mouse BM-MSCs are capable of differentiating into salivary epithelial cells in a co-culture system, we further explored the molecular basis that governs the MSC reprogramming by utilizing high-throughput iTRAQ-2D-LC-MS/MS-based proteomics. Our data revealed the novel induction of pancreas-specific transcription factor 1a (PTF1α), muscle, intestine and stomach expression-1 (MIST-1), and achaete-scute complex homolog 3 (ASCL3) in 7 day co-cultured MSCs but not in control MSCs. More importantly, a common notion of pancreatic-specific expression of PTF1 α was challenged for the first time by our verification of PTF1 α expression in the mouse salivary glands. Furthermore, a molecular network simulation of our selected putative MSC reprogramming factors demonstrated evidence for their perspective roles in salivary gland development. In conclusion, quantitative proteomics with extensive data analyses narrowed down a set of MSC reprograming factors potentially contributing to salivary gland regeneration. Identification of their differential/synergistic impact on MSC conversion warrants further investigation.
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A clinical management of xerostomia is often unsatisfactory as most interventions are palliative with limited efficacy. Following up our previous study demonstrating that mouse BM-MSCs are capable of differentiating into salivary epithelial cells in a co-culture system, we further explored the molecular basis that governs the MSC reprogramming by utilizing high-throughput iTRAQ-2D-LC-MS/MS-based proteomics. Our data revealed the novel induction of pancreas-specific transcription factor 1a (PTF1α), muscle, intestine and stomach expression-1 (MIST-1), and achaete-scute complex homolog 3 (ASCL3) in 7 day co-cultured MSCs but not in control MSCs. More importantly, a common notion of pancreatic-specific expression of PTF1 α was challenged for the first time by our verification of PTF1 α expression in the mouse salivary glands. Furthermore, a molecular network simulation of our selected putative MSC reprogramming factors demonstrated evidence for their perspective roles in salivary gland development. In conclusion, quantitative proteomics with extensive data analyses narrowed down a set of MSC reprograming factors potentially contributing to salivary gland regeneration. Identification of their differential/synergistic impact on MSC conversion warrants further investigation.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>28158262</pmid><doi>10.1371/journal.pone.0169677</doi><tpages>e0169677</tpages><oa>free_for_read</oa></addata></record>
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subjects Analysis
Animals
Basic Helix-Loop-Helix Transcription Factors - genetics
Basic Helix-Loop-Helix Transcription Factors - metabolism
Biology
Biology and Life Sciences
Blotting, Western
Bone marrow
Cancer
Cell culture
Cell cycle
Cell differentiation
Cell Differentiation - genetics
Cell Differentiation - radiation effects
Cells, Cultured
Cluster Analysis
Data processing
Dentistry
Epithelial cells
Genetic aspects
Glands
Head & neck cancer
Head and neck cancer
Health aspects
Homology
Immunohistochemistry
Immunology
Intestine
Kinases
Laboratories
Male
Medicine and Health Sciences
Mesenchymal stem cells
Mice
Mice, Inbred C57BL
Mist
Muscles
Pancreas
Proteins
Proteome - metabolism
Proteomics
Quality of Life
Quantitative analysis
Radiation
Radiation therapy
Regeneration
Research and Analysis Methods
Salivary gland
Salivary glands
Salivary Glands - metabolism
Salivary Glands - physiology
Sjogren's syndrome
Stem cells
Stomach
Studies
Tandem Mass Spectrometry
Transcription Factors - genetics
Transcription Factors - metabolism
Xerostomia
title Uncovering stem cell differentiation factors for salivary gland regeneration by quantitative analysis of differential proteomes
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