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Proteomic Analysis ...
Proteomic Analysis of Stromal Cells Derived from the Dental Pulp of Human Exfoliated Deciduous Teeth
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- Pivoriunas, Augustas (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Surovas, Andrejus (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Borutinskaite, Veronika (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Matuzevicius, Dalius (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Treigyte, Grazina (author)
- Lithuania Academy of Science
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- Savickiene, Jurate (author)
- Lithuania Academy of Science
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- Tunaitis, Virginijus (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Aldonyte, Ruta (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Jarmalaviciute, Akvile (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Suriakaite, Kristina (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Liutkevicius, Evaldas (author)
- JSC Imunolita, Vilnius
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- Venalis, Algirdas (author)
- Institute for Experimentat and Clinical Medicine, Vilnius
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- Navakauskas, Dalius (author)
- Vilnius Gediminas Technical University
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- Navakauskiene, Ruta (author)
- Lithuania Academy of Science
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- Magnusson, Karl-Eric (author)
- Linköpings universitet,Medicinsk mikrobiologi,Hälsouniversitetet
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(creator_code:org_t)
- Mary Ann Leibert, 2010
- 2010
- English.
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In: STEM CELLS AND DEVELOPMENT. - : Mary Ann Leibert. - 1547-3287 .- 1557-8534. ; 19:7, s. 1081-1093
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- Human dental pulp derived from exfoliated deciduous teeth has been described as a promising alternative source of multipotent stem cells. While these cells share certain similarities with mesenchymal stem-like cells (MSC) isolated from other tissues, basically they are still poorly characterized. In this study, for the first time, a proteomic map of abundantly expressed proteins in stromal cells derived from the dental pulp of human exfoliated deciduous teeth (SHED) was established. We also analyzed proteomic signatures of 2 clonal strains derived from SHEDs by single-cell cloning. The SHEDs were established from enzyme-disaggregated deciduous dental pulp from 6-year-old children. They had typical fibroblastoid morphology and high colony-forming efficiency index (16.4%). Cloning was performed at the second passage using limiting dilution in a 96-well plate (0.3 cell/well). Differentiation assessment revealed strong osteogenic but no adipogenic potential of the SHEDs in either clonal strain. The cells expressed characteristic antigens of MSC-like cells, including CD73, CD90, CD105, CD146, and did not express hematopoietic markers CD14, CD34, and CD45, as assessed with FACS analysis. For proteomic studies, cytosolic and nuclear proteins were analyzed with 2-dimensional gel electrophoresis (2-DE) and identified using matrix-assisted laser desorption/ionization (MALDI)-time of flight (TOF)-mass spectrometry (MS). All proteins were identified with high level of confidence (the lowest sequence coverage was 27%). Identification of highly expressed proteins in SHEDs revealed proteomic profiles very similar to that of MSC-like cells derived from other tissues. We also found a high degree of similarity between proteomic signatures of primary SHEDs and clonal cell strains. Thus, our data confirm a close resemblance between SHEDs and MSC-like cells from other tissues and may serve as starting point for creating-comprehensive proteomic maps.
Keyword
- MEDICINE
- MEDICIN
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- ref (subject category)
- art (subject category)
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Pivoriunas, Augu ...
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Surovas, Andreju ...
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Borutinskaite, V ...
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Matuzevicius, Da ...
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Treigyte, Grazin ...
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Savickiene, Jura ...
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Tunaitis, Virgin ...
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Aldonyte, Ruta
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Jarmalaviciute, ...
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Suriakaite, Kris ...
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Liutkevicius, Ev ...
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Venalis, Algirda ...
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Navakauskas, Dal ...
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Navakauskiene, R ...
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Magnusson, Karl- ...
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STEM CELLS AND D ...
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Linköping University