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Collon K, Bell JA, Gallo MC, Chang SW, Bougioukli S, Sugiyama O, Tassey J, Hollis R, Heckmann N, Oakes DA, Longjohn DB, Evseenko D, Kohn DB, Lieberman JR. Influence of donor age and comorbidities on transduced human adipose-derived stem cell in vitro osteogenic potential. Gene Ther 2022; 30:369-376. [PMID: 36216880 PMCID: PMC10086075 DOI: 10.1038/s41434-022-00367-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 09/24/2022] [Accepted: 09/27/2022] [Indexed: 01/17/2023]
Abstract
Human adipose-derived mesenchymal stem cells (ASCs) transduced with a lentiviral vector system to express bone morphogenetic protein 2 (LV-BMP-2) have been shown to reliably heal bone defects in animal models. However, the influence of donor characteristics such as age, sex, race, and medical co-morbidities on ASC yield, growth and bone regenerative capacity, while critical to the successful clinical translation of stem cell-based therapies, are not well understood. Human ASCs isolated from the infrapatellar fat pads in 122 ASC donors were evaluated for cell growth characteristics; 44 underwent additional analyses to evaluate in vitro osteogenic potential, with and without LV-BMP-2 transduction. We found that while female donors demonstrated significantly higher cell yield and ASC growth rates, age, race, and the presence of co-morbid conditions were not associated with differences in proliferation. Donor demographics or the presence of comorbidities were not associated with differences in in vitro osteogenic potential or stem cell differentiation, except that transduced ASCs from healthy donors produced more BMP-2 at day 2. Overall, donor age, sex, race, and the presence of co-morbid conditions had a limited influence on cell yield, proliferation, self-renewal capacity, and osteogenic potential for non-transduced and transduced (LV-BMP-2) ASCs. These results suggest that ASCs are a promising resource for both autologous and allogeneic cell-based gene therapy applications.
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Affiliation(s)
- Kevin Collon
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA.
| | - Jennifer A Bell
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Matthew C Gallo
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Stephanie W Chang
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Sofia Bougioukli
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Osamu Sugiyama
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Jade Tassey
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Roger Hollis
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, CA, USA
| | - Nathanael Heckmann
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Daniel A Oakes
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Donald B Longjohn
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Denis Evseenko
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
| | - Donald B Kohn
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, CA, USA
| | - Jay R Lieberman
- Department of Orthopaedic Surgery, Keck School of Medicine of the University of Southern California, 2011 Zonal Ave,HMR 702, Los Angeles, CA, 90089, USA
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MiR-200c-3p maintains stemness and proliferative potential in adipose-derived stem cells by counteracting senescence mechanisms. PLoS One 2021; 16:e0257070. [PMID: 34534238 PMCID: PMC8448302 DOI: 10.1371/journal.pone.0257070] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 08/24/2021] [Indexed: 01/22/2023] Open
Abstract
Adipose-derived mesenchymal stem cells (ASCs) are promising therapeutic tools in regenerative medicine because they possess self-renewal, differentiation and immunomodulatory capacities. After isolation, ASCs are passaged multiple times in vitro passages to obtain a sufficient amount of cells for clinical applications. During this time-consuming procedure, ASCs become senescent and less proliferative, compromising their clinical efficacy. Here, we sought to investigate how in vitro passages impact ASC proliferation/senescence and expression of immune regulatory proteins. MicroRNAs are pivotal regulators of ASC physiology. Particularly, miR-200c is known to maintain pluripotency and targets the immune checkpoint Programmed death-ligand 1 (PD-L1). We therefore investigated its involvement in these critical characteristics of ASCs during in vitro passages. We found that when transiently expressed, miR-200c-3p promotes proliferation, maintains stemness, and contrasts senescence in late passaged ASCs. Additionally, this miRNA modulates PD-L1 and Indoleamine 2,3-Dioxygenase (IDO1) expression, thus most likely interfering with the immunoregulatory capacity of ASCs. Based on our results, we suggest that expression of miR-200c-3p may prime ASC towards a self-renewing phenotype by improving their in vitro expansion. Contrarily, its inhibition is associated with senescence, reduced proliferation and induction of immune regulators. Our data underline the potential use of miR-200c-3p as a switch for ASCs reprogramming and their clinical application.
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