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All Journal International Journal of Cell and Biomedical Science Indonesian Journal of Pharmacology and Therapy
Prabowo, Adam
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Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology

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Journal : International Journal of Cell and Biomedical Science

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Priming of Mesenchymal Stem Cells for Enhanced Interleukin-10 Secretion via Conditioned Medium from Lipopolysaccharide-Activated Peripheral Blood Mononuclear Cells Prasetio, Ardi; Syafitri, Luthfiana Mifta; Prabowo, Adam; Alif, Iffan; Nurichsan, Aldan
International Journal of Cell and Biomedical Science Vol 2 No 5 (2023)
Publisher : Stem Cell and Cancer Research (SCCR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59278/cbs.v2i5.39

Abstract

Background: Mesenchymal stem cells (MSCs) are known for their immunomodulatory properties, particularly their ability to secrete anti-inflammatory cytokines such as interleukin-10 (IL-10). Enhancing the secretion of IL-10 by MSCs could have significant therapeutic potential for treating inflammatory diseases. Objective: This study aimed to prime the secretion of IL-10 by MSCs through the use of conditioned medium (CM) derived from lipopolysaccharide (LPS)-induced peripheral blood mononuclear cells (PBMCs). Methods: MSCs were isolated from Wharton’s Jelly and characterized using flow cytometry and differentiation assays. PBMCs were isolated from human blood samples and stimulated with LPS to produce a pro-inflammatory environment. The conditioned medium from these LPS-induced PBMCs was collected and add to MSCs culture medium in 5% and 7.5%. After 24h and 48h incubation, IL-10 secretion by MSCs was measured using an enzyme-linked immunosorbent assay (ELISA). Results: The results demonstrated that MSCs cultured in the conditioned medium from LPS-induced PBMCs showed a significant increase in IL-10 secretion compared to control conditions in 24h exposure, but not significantly different in 48h. Conclusion: The exposure of conditioned medium from LPS-induced PBMCs may effectively enhances the secretion of IL-10 by MSCs.
Surface Marker Expression and Morphological Alterations in Umbilical Cord-Derived MSCs Over Passages 4 to 9: A Flow Cytometry and Microscopic Analysis Prawitasari, Salindri; Ayu, Dian Respati; Irawan, Risky Chandra Satria; Prabowo, Adam
International Journal of Cell and Biomedical Science Vol 3 No 9 (2024)
Publisher : Stem Cell and Cancer Research (SCCR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59278/cbs.v3i9.51

Abstract

Background : Umbilical cord-derived mesenchymal stem cells (UC-MSCs) are promising candidates for regenerative medicine due to their high proliferative capacity, multilineage differentiation potential, and low immunogenicity. However, prolonged in vitro expansion may lead to phenotypic drift and morphological changes that could impact their therapeutic efficacy. This study aimed to evaluate the expression of mesenchymal surface markers (CD73, CD90, CD105) and morphological characteristics of UC-MSCs from passage 4 (P4) to passage 9 (P9). Methods: Flow cytometry was employed using the BD Stemflow™ Human MSC Analysis Kit to quantify the expression of both positive and negative surface markers, while morphological assessments were performed via phase-contrast microscopy. Results : The results revealed that UC-MSCs maintained high expression levels of CD73, CD90, and CD105 across all passages, although a slight decline was observed in later passages. Morphological analysis indicated a transition from spindle-shaped, fibroblast-like cells at early passages to more enlarged and flattened cells with signs of senescence at higher passages. Conclusions : These findings suggest that although UC-MSCs retain their phenotypic identity up to P9, subtle morphological and marker expression changes may occur, underscoring the importance of passage selection in therapeutic applications. This study contributes to the optimization of UC-MSC culture protocols for standardized and effective clinical use.
Co-Authors Alif, Iffan Ayu, Dian Respati Irawan, Risky Chandra Satria Nurichsan, Aldan Nurul Hidayah Pradani, Lisa Nahdalia Prasetio, Ardi Prawitasari, Salindri Rifai, Fauziah Novita Putri Syafitri, Luthfiana Mifta