Manufacturing process development of DMSc Stem Pro: Autologous bone marrow mesenchymal stem cells for clinical research

Authors

  • Acharaporn Dambua Medical Life Sciences Institute, Department of Medical Sciences
  • Siripakorn Sangkitporn Medical Sciences Technical Office, Department of Medical Sciences
  • La-ongsri Atchaneeyasakul Faculty of Medicine, Siriraj Hospital, Mahidol University
  • Areerat Khorchai Surin Hospital
  • Adisak Trinavarat Faculty of Medicine, Siriraj Hospital, Mahidol University
  • Sawitree Duangrueng National Institute of Health, Department of Medical Sciences
  • Suppaluk Buasrikeaw Medical Life Sciences Institute, Department of Medical Sciences
  • Apichat Chotichusree Medical Life Sciences Institute, Department of Medical Sciences
  • Patcharaporn Boonchu Medical Life Sciences Institute, Department of Medical Sciences
  • Chonlada Yodtup Medical Life Sciences Institute, Department of Medical Sciences
  • Phatcharaphon Nopprang Medical Life Sciences Institute, Department of Medical Sciences
  • Panyakamol Chandrasakha Prasu-arthorn veterinary teaching hospital, Mahidol University
  • Somchai Sangkitporn Pink Park Village

Keywords:

Bone marrow, Mesenchymal stem cells, Process validation

Abstract

        Mesenchymal stem cells (MSC) are multipotent stem cells with the potential to differentiate into various tissue lineages. This study aimed to research and develop a manufacturing process for DMSc Stem Pro, a clinical grade bone marrow MSC for the development of a treatment for retinitis pigmentosa (RP) patients. Optimal conditions for MSC and process validation were studied prior to clinical trials. MSC were isolated and then cultured under GMP conditions with the classical media composition consisting of basal medium DMEM and 10% FBS, and incubated at 37ºC with 5% CO2. The resulting MSC “DMSc Stem Pro” showed fibroblast-like cells which adhered to plastic culture flask. After expansion for 36±4.69 days (range = 31-42), cell numbers were 8.67±2.23 million (range = 6.00-10.62) with more than 90% cell viability. Cell surface antigen test revealed positive expression of CD90 CD105 and CD73, but negative for CD34 CD45 and HLA-DR. Expanded cells revealed multilineage differentiation into adipocyte, osteocyte and chondrocyte. Microbiological assays were demonstrated the absence of bacteria, fungus and mycoplasma. Endotoxin level was under the critical limit. All the manufacturing processes of DMSc Stem Pro prepared from Stem cell facility of the Department of Medical Sciences were in compliance with the GMP, INDs and ISCT standards. The DMSc Stem Pro prepared by the stem cells laboratory, the Department of Medical Sciences, is of high quality as per the regulations of the International Society for Cellular Therapy (ISCT) and pathogens free. The clinical grade DMSc Stem Pro can be used for clinical study in retinitis pigmentosa patients.

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Published

30-06-2022

How to Cite

1.
Dambua A, Sangkitporn S, Atchaneeyasakul L- ongsri, Khorchai A, Trinavarat A, Duangrueng S, Buasrikeaw S, Chotichusree A, Boonchu P, Yodtup C, Nopprang P, Chandrasakha P, Sangkitporn S. Manufacturing process development of DMSc Stem Pro: Autologous bone marrow mesenchymal stem cells for clinical research. ว กรมวิทย พ [internet]. 2022 Jun. 30 [cited 2025 Dec. 24];64(2):133-45. available from: https://he02.tci-thaijo.org/index.php/dmsc/article/view/256219

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