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Cell Journal، جلد ۱۹، شماره ۲، صفحات ۲۵۰-۲۵۸
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی Comparative Proteomic Analysis of Tumor Mesenchymal-Like Stem Cells Derived from High Grade versus Low Grade Gliomas
چکیده انگلیسی مقاله Objective
Gliomas are the most common primary brain tumors, and have been ranked as the fourth leading cause of cancer death. Tumor mesenchymal-like stem cells (tMSCs) contribute to the aggressive behavior of glial tumors by providing a favorable microenvironment for the malignant cells. The aim of our study was to identify differential proteome of tMSCs derived from low vs. high grade glioma tumors.
Materials and Methods
Patients with newly diagnosed low and high grade gliomas were included in this case control study. tMSCs were isolated from tumors using enzymatic digestion validated by flow cytometer analysis after sub-culturing. Differential proteomic analysis of tMSCs derived from low and high grade tumors was performed by two-dimensional gel electrophoresis and mass spectrometry. Protein spots with more than two fold differences and P values below 0.05 were considered as differentially expressed ones.
Results
In tMSCs isolated from low and high grade gliomas, different isoforms of mesenchymal-related proteins vimentin and transgelin were differentially expressed. Overexpressed proteins in tMSCs isolated from low grade gliomas were mitochondrial manganese-containing superoxide dismutase (Mn-SOD), 40S ribosomal protein SA, and GTP-binding nuclear protein, while in tMSCs isolated from high grade gliomas, cathepsin B, endoplasmin, ezrin, peroxiredoxin1, and pyruvate kinase (PK) were found to be significantly overexpressed.
Conclusion
For the first time, we analyzed the differential proteomic profiles of tMSCs isolated from glioma tumors with different grades. It was found that molecules related to mesenchymal cells (vimentin and transglin), in addition to those related to tumor aggressiveness with potential secretory behavior (e.g. cathepsin B) were among differentially expressed proteins.
کلیدواژه‌های انگلیسی مقاله Glioma, Mesenchymal stem cells, Proteomics, Pyruvate Kinase
نویسندگان مقاله Mousa Taghipour |
Department of Neurosurgery, Faculty of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran

Aydine Omidvar |
Department of Neurosurgery, Faculty of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran

Mahboobeh Razmkhah |
Shiraz Institute for Cancer Research, School of Medicine, Faculty of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran

Abbas Ghaderi |
Shiraz Institute for Cancer Research, School of Medicine, Faculty of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran

Zahra Mojtahedi |
Shiraz Institute for Cancer Research, School of Medicine, Faculty of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran

نشانی اینترنتی https://www.celljournal.org/article_250431_5b596364e0e3f345e8307581cbb7acda.pdf
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