Quantitative proteomic analysis of human embryonic stem cell differentiation by 8-Plex iTRAQ labelling

Mahdieh Jadaliha; Hyoung Joo Lee; Mohammad Pakzad; Ali Fathi; Seul Ki Jeong; Sang Yun Cho; Hossein Baharvand; Young Ki Paik; Ghasem Hosseini Salekdeh

doi:10.1371/journal.pone.0038532

Quantitative proteomic analysis of human embryonic stem cell differentiation by 8-Plex iTRAQ labelling

Mahdieh Jadaliha, Hyoung Joo Lee, Mohammad Pakzad, Ali Fathi, Seul Ki Jeong, Sang Yun Cho, Hossein Baharvand, Young Ki Paik^*, Ghasem Hosseini Salekdeh

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Analysis of gene expression to define molecular mechanisms and pathways involved in human embryonic stem cells (hESCs) proliferation and differentiations has allowed for further deciphering of the self-renewal and pluripotency characteristics of hESC. Proteins associated with hESCs were discovered through isobaric tags for relative and absolute quantification (iTRAQ). Undifferentiated hESCs and hESCs in different stages of spontaneous differentiation by embryoid body (EB) formation were analyzed. Using the iTRAQ approach, we identified 156 differentially expressed proteins involved in cell proliferation, apoptosis, transcription, translation, mRNA processing, and protein synthesis. Proteins involved in nucleic acid binding, protein synthesis, and integrin signaling were downregulated during differentiation, whereas cytoskeleton proteins were upregulated. The present findings added insight to our understanding of the mechanisms involved in hESC proliferation and differentiation.

Original language	English
Article number	e38532
Pages (from-to)	1-9
Number of pages	9
Journal	PLoS ONE
Volume	7
Issue number	6
DOIs	https://doi.org/10.1371/journal.pone.0038532
Publication status	Published - 18 Jun 2012
Externally published	Yes

Bibliographical note

Copyright the Author(s) 2012. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

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title = "Quantitative proteomic analysis of human embryonic stem cell differentiation by 8-Plex iTRAQ labelling",

abstract = "Analysis of gene expression to define molecular mechanisms and pathways involved in human embryonic stem cells (hESCs) proliferation and differentiations has allowed for further deciphering of the self-renewal and pluripotency characteristics of hESC. Proteins associated with hESCs were discovered through isobaric tags for relative and absolute quantification (iTRAQ). Undifferentiated hESCs and hESCs in different stages of spontaneous differentiation by embryoid body (EB) formation were analyzed. Using the iTRAQ approach, we identified 156 differentially expressed proteins involved in cell proliferation, apoptosis, transcription, translation, mRNA processing, and protein synthesis. Proteins involved in nucleic acid binding, protein synthesis, and integrin signaling were downregulated during differentiation, whereas cytoskeleton proteins were upregulated. The present findings added insight to our understanding of the mechanisms involved in hESC proliferation and differentiation.",

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AU - Jadaliha, Mahdieh

AU - Lee, Hyoung Joo

AU - Pakzad, Mohammad

AU - Fathi, Ali

AU - Jeong, Seul Ki

AU - Cho, Sang Yun

AU - Baharvand, Hossein

AU - Paik, Young Ki

AU - Salekdeh, Ghasem Hosseini

N1 - Copyright the Author(s) 2012. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

PY - 2012/6/18

Y1 - 2012/6/18

N2 - Analysis of gene expression to define molecular mechanisms and pathways involved in human embryonic stem cells (hESCs) proliferation and differentiations has allowed for further deciphering of the self-renewal and pluripotency characteristics of hESC. Proteins associated with hESCs were discovered through isobaric tags for relative and absolute quantification (iTRAQ). Undifferentiated hESCs and hESCs in different stages of spontaneous differentiation by embryoid body (EB) formation were analyzed. Using the iTRAQ approach, we identified 156 differentially expressed proteins involved in cell proliferation, apoptosis, transcription, translation, mRNA processing, and protein synthesis. Proteins involved in nucleic acid binding, protein synthesis, and integrin signaling were downregulated during differentiation, whereas cytoskeleton proteins were upregulated. The present findings added insight to our understanding of the mechanisms involved in hESC proliferation and differentiation.

AB - Analysis of gene expression to define molecular mechanisms and pathways involved in human embryonic stem cells (hESCs) proliferation and differentiations has allowed for further deciphering of the self-renewal and pluripotency characteristics of hESC. Proteins associated with hESCs were discovered through isobaric tags for relative and absolute quantification (iTRAQ). Undifferentiated hESCs and hESCs in different stages of spontaneous differentiation by embryoid body (EB) formation were analyzed. Using the iTRAQ approach, we identified 156 differentially expressed proteins involved in cell proliferation, apoptosis, transcription, translation, mRNA processing, and protein synthesis. Proteins involved in nucleic acid binding, protein synthesis, and integrin signaling were downregulated during differentiation, whereas cytoskeleton proteins were upregulated. The present findings added insight to our understanding of the mechanisms involved in hESC proliferation and differentiation.

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Quantitative proteomic analysis of human embryonic stem cell differentiation by 8-Plex iTRAQ labelling

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