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Cell Journal، جلد ۲۲، شماره ۴، صفحات ۴۳۱-۴۳۶
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چکیده فارسی مقاله
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عنوان انگلیسی Correlation of TCF4, GSK, TERT and TERC Expressions with Proliferation Potential of Early and Late Culture of Human Peripheral Blood Mesenchymal Stem Cells
چکیده انگلیسی مقاله Objective
In the recent years, mesenchymal stem cells (MSCs) were considered as the suitable source of cells for transplantation into the damaged tissues in regenerative medicine. There was low number of these cells in different organs and this characteristic was the main drawback to use them in treatment of diseases. Cellular senescence of the stem cells has been demonstrated to be dependent to the telomerase activity. The aim of present experimental study was to evaluate correlation of the expression of telomerase components and WNT signaling pathway in MSCs derived from human peripheral blood (PB-MSCs).
Materials and Methods
In this experimental study, following the isolation of MSCs from peripheral blood mononuclear cells, RNA was extracted from these cells in the early culture (8-9th days) and late culture (14-17th days). Then, expression of TERT, TERC, TCF4, GSK and CTNNB1 was determined by quantitative reverse transcription polymerase chain reaction (qRT-PCR) based on SYBR Green.
Results
Our data indicated that there was a significantly reduced expression of TERT in the late culture of human MSCs derived from peripheral blood (P < 0.05). Although a negative correlation was observed between GSK and TERC expression levels in the early culture of MSCs, spearman analysis showed that there was no significant correlation between the expression of telomerase components (TERC and TERT) and WNT signaling pathway (P > 0.05).
Conclusion
The obtained results suggested that WNT signaling pathway likely plays a minor role in the maintenance of telomere length and proliferation potential of MSCs.
کلیدواژه‌های انگلیسی مقاله Cellular Senescence, Mesenchymal stem cells, Regenerative medicine, WNT Signaling Pathway
نویسندگان مقاله Zahra Fazeli |
.Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Masoumeh Rajabibazl |
.Department of Clinical Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Sepideh Faramarzi |
.Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Mir Davood Omrani |
.Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Sayyed Mohammad Hossein Ghaderian |
.Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Niloufar Safavi Naini |
.Department of Medical Genetics, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

نشانی اینترنتی https://www.celljournal.org/article_250667_cf14e5ffe8bebceaad541e37337e52cc.pdf
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