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International Journal of Hematology-Oncology and Stem Cell Research، جلد ۱۷، شماره ۴، صفحات ۲۴۵-۲۵۶
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عنوان انگلیسی Developing a Multichannel Bioreactor with a Collagen Scaffold, ECM, and Cryoprecipitate to Significantly Produce Platelets from Umbilical Cord Blood Stem Cells
چکیده انگلیسی مقاله Background: Platelets play a key role in the treatment of thrombocytopenia. Nowadays, platelets (PLTs) are only obtained through blood donation. However, due to the limitations in their preparation and storage, they are produced in laboratories, especially through bioreactors that convert megakaryocytes from stem cells into large-scale injectable PLTs. Materials and Methods: In this study, the CD34 cells isolated from cord blood were differentiated into megakaryocytes. A 6-chamber bioreactor with a two-layer collagen scaffold, several ECM factors, and human cryoprecipitate were used to simulate the structure of the bone marrow. After the addition of megakaryocytes to the scaffold, PLTs were produced due to the flow pressure and the interaction between the scaffold structure and the ECM factors. Results: CD41 + cells were expanded 100 times as much as CD34 + cord blood stem cells. The mean PLT release from one megakaryocyte in the pure collagen scaffold was 17.42 PLTs. Once fibrin, fibronectin, hyaluronic acid, and cryoprecipitates were added to collagen, the mean PLT release was 21.4, 22.4, 23.9, and 27.37, respectively. With the simultaneous addition of three factors to collagen (CFFH) and then four factors (CFFHC), the number of PLTs reached 30.52 and then 34. Conclusion: Functional PLTs can be produced on a large scale with a multi-chamber bioreactor using a combination of ECM and cryoprecipitate with collagen scaffolding.
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نویسندگان مقاله | Mohammad Hossein Derakhty Gonbad
Department of Applied Cell Sciences, Tabriz University of Medical Sciences, Tabriz, Iran


| Ali Baradar Khoshfetrat
Chemical Engineering Faculty, Sahand University of Technology, Tabriz, Iran


| Ali Akbar Movassaghpour
3Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran


| Zohre Sanaat
Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran


| Hojjatollah Nozad Charoudeh
Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
نشانی اینترنتی https://ijhoscr.tums.ac.ir/index.php/ijhoscr/article/view/1892
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