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Algorta A, Artigas R, Rial A, Benavides U, Maisonnave J, Yaneselli K. Morphologic, Proliferative, and Cytogenetic Changes during In Vitro Propagation of Cat Adipose Tissue-Derived Mesenchymal Stromal/Stem Cells. Animals (Basel) 2024; 14:2408. [PMID: 39199942 PMCID: PMC11350862 DOI: 10.3390/ani14162408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2024] [Revised: 07/12/2024] [Accepted: 07/18/2024] [Indexed: 09/01/2024] Open
Abstract
Stem cell therapy in cat patients needs a high quantity of mesenchymal stromal/stem cells (MSCs) requiring in vitro propagation under culture conditions which may potentially impact cellular characteristics and genetic stability. This study aimed to assess the in vitro characteristics and cytogenetic stability of cat adipose tissue-derived MSCs (cAT-MSCs). For this purpose, morphological features, clonogenic potential, and proliferative capacity of cAT-MSCs were assessed at passages 2 (P2), P4, and P6. Multipotency and immunophenotype were evaluated. Cytogenetic analyses were conducted up to P6. The cAT-MSCs exhibited a spindle-shaped morphology in early passages. The doubling time increased from 2.5 days at P2 to 9.4 at P4 and 10.5 at P6, accompanied by the observation of nuclear abnormalities such as cluster formation, karyorrhexis, karyolysis, and a decline in the mitotic index at P4. Cells demonstrated multipotency capacity and were CD45-, CD90+, and CD44+. Metaphase analysis at P2 and P4 revealed some indications of structural instability such as gaps, breaks, deletions, duplications, and early chromatid segregation, but these alterations did not show an increase across passages. In conclusion, cAT-MSCs decreased their proliferative capacity after P4, accompanied by morphological alterations and signs of structural instability.
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Affiliation(s)
- Agustina Algorta
- Unidad de Inmunología e Inmunoterapia, Departamento de Patobiología, Facultad de Veterinaria, Universidad de la República (UdelaR), Montevideo 13000, Uruguay; (U.B.); (J.M.)
| | - Rody Artigas
- Unidad de Genética y Mejoramiento Animal, Departamento de Producción Animal y Salud de los Sistemas Productivos, Facultad de Veterinaria, Universidad de la República (UdelaR), Montevideo 13000, Uruguay;
| | - Analía Rial
- Departamento de Desarrollo Biotecnológico, Instituto de Higiene, Facultad de Medicina, Universidad de la República (UdelaR), Montevideo 11600, Uruguay;
| | - Uruguaysito Benavides
- Unidad de Inmunología e Inmunoterapia, Departamento de Patobiología, Facultad de Veterinaria, Universidad de la República (UdelaR), Montevideo 13000, Uruguay; (U.B.); (J.M.)
| | - Jacqueline Maisonnave
- Unidad de Inmunología e Inmunoterapia, Departamento de Patobiología, Facultad de Veterinaria, Universidad de la República (UdelaR), Montevideo 13000, Uruguay; (U.B.); (J.M.)
| | - Kevin Yaneselli
- Unidad de Inmunología e Inmunoterapia, Departamento de Patobiología, Facultad de Veterinaria, Universidad de la República (UdelaR), Montevideo 13000, Uruguay; (U.B.); (J.M.)
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Modaresi S, Pacelli S, Chakraborty A, Coyle A, Luo W, Singh I, Paul A. Engineering a Microfluidic Platform to Cryopreserve Stem Cells: A DMSO-Free Sustainable Approach. Adv Healthc Mater 2024:e2401264. [PMID: 39152923 DOI: 10.1002/adhm.202401264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 06/24/2024] [Indexed: 08/19/2024]
Abstract
Human adipose-derived stem cells (hASCs) are cryopreserved traditionally using dimethyl sulfoxide (DMSO) as the cryoprotectant agent. DMSO penetrates cell membranes and prevents cellular damage during cryopreservation. However, DMSO is not inert to cells, inducing cytotoxic effects by causing mitochondrial dysfunction, reduced cell proliferation, and impaired hASCs transplantation. Additionally, large-scale production of DMSO and contamination can adversely impact the environment. A sustainable, green alternative to DMSO is trehalose, a natural disaccharide cryoprotectant agent that does not pose any risk of cytotoxicity. However, the cellular permeability of trehalose is less compared to DMSO. Here, a microfluidic chip is developed for the intracellular delivery of trehalose in hASCs. The chip is designed for mechanoporation, which creates transient pores in cell membranes by mechanical deformation. Mechanoporation allows the sparingly permeable trehalose to be internalized within the cell cytosol. The amount of trehalose delivered intracellularly is quantified and optimized based on cellular compatibility and functionality. Furthermore, whole-transcriptome sequencing confirms that less than 1% of all target genes display at least a twofold change in expression when cells are passed through the chip compared to untreated cells. Overall, the results confirm the feasibility and effectiveness of using this microfluidic chip for DMSO-free cryopreservation of hASCs.
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Affiliation(s)
- Saman Modaresi
- Department of Chemical and Petroleum Engineering, Bioengineering Graduate Program, School of Engineering, The University of Kansas, Lawrence, KS, 66045, USA
| | - Settimio Pacelli
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, IL, 60616, USA
| | - Aishik Chakraborty
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON, N6A 5B9, Canada
- Collaborative Specialization in Musculoskeletal Health Research and Bone and Joint Institute, The University of Western Ontario, London, ON, N6A 5B9, Canada
| | - Ali Coyle
- School of Biomedical Engineering, The University of Western Ontario, London, ON, N6A 5B9, Canada
| | - Wei Luo
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON, N6A 5B9, Canada
| | - Irtisha Singh
- Department of Cell Biology and Genetics, College of Medicine, Texas A&M University, Bryan, TX, 77807, USA
- Department of Biomedical Engineering, College of Engineering, Texas A&M University, College Station, TX, 77843, USA
- Interdisciplinary Program in Genetics and Genomics, Texas A&M University, College Station, TX, 77840, USA
| | - Arghya Paul
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, ON, N6A 5B9, Canada
- Collaborative Specialization in Musculoskeletal Health Research and Bone and Joint Institute, The University of Western Ontario, London, ON, N6A 5B9, Canada
- School of Biomedical Engineering, The University of Western Ontario, London, ON, N6A 5B9, Canada
- Department of Chemistry, The Center for Advanced Materials and Biomaterials Research, The University of Western Ontario, London, ON, N6A 5B9, Canada
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Zhang Y, Wang C, Li JJ. Revisiting the role of mesenchymal stromal cells in cancer initiation, metastasis and immunosuppression. Exp Hematol Oncol 2024; 13:64. [PMID: 38951845 PMCID: PMC11218091 DOI: 10.1186/s40164-024-00532-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 06/26/2024] [Indexed: 07/03/2024] Open
Abstract
Immune checkpoint blockade (ICB) necessitates a thorough understanding of intricate cellular interactions within the tumor microenvironment (TME). Mesenchymal stromal cells (MSCs) play a pivotal role in cancer generation, progression, and immunosuppressive tumor microenvironment. Within the TME, MSCs encompass both resident and circulating counterparts that dynamically communicate and actively participate in TME immunosurveillance and response to ICB. This review aims to reevaluate various facets of MSCs, including their potential self-transformation to function as cancer-initiating cells and contributions to the creation of a conducive environment for tumor proliferation and metastasis. Additionally, we explore the immune regulatory functions of tumor-associated MSCs (TA-MSCs) and MSC-derived extracellular vesicles (MSC-EVs) with analysis of potential connections between circulating and tissue-resident MSCs. A comprehensive understanding of the dynamics of MSC-immune cell communication and the heterogeneous cargo of tumor-educated versus naïve MSCs may unveil a new MSC-mediated immunosuppressive pathway that can be targeted to enhance cancer control by ICB.
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Affiliation(s)
- Yanyan Zhang
- Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
- Department of Radiation Oncology, School of Medicine, University of California Davis, Sacramento, CA, USA
| | - Charles Wang
- Department of Radiation Oncology, School of Medicine, University of California Davis, Sacramento, CA, USA
| | - Jian Jian Li
- Department of Radiation Oncology, School of Medicine, University of California Davis, Sacramento, CA, USA.
- NCI-Designated Comprehensive Cancer Center, University of California Davis, Sacramento, CA, 95817, USA.
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Henderson T, Christman KL, Alperin M. Regenerative Medicine in Urogynecology: Where We Are and Where We Want to Be. UROGYNECOLOGY (PHILADELPHIA, PA.) 2024; 30:519-527. [PMID: 38683203 PMCID: PMC11342648 DOI: 10.1097/spv.0000000000001461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
ABSTRACT Pelvic floor disorders (PFDs) constitute a major public health issue given their negative effect on quality of life for millions of women worldwide and the associated economic burden. As the prevalence of PFDs continues to increase, novel therapeutic approaches for the effective treatment of these disorders are urgently needed. Regenerative medicine techniques, including cellular therapies, extracellular vesicles, secretomes, platelet-rich plasma, laser therapy, and bioinductive acellular biomaterial scaffolds, are emerging as viable clinical options to counteract urinary and fecal incontinence, as well as pelvic organ prolapse. This brief expert review explores the current state-of-science regarding application of these therapies for the treatment of PFDs. Although regenerative approaches have not been widely deployed in clinical care to date, these innovative techniques show a promising safety profile and potential to positively affect the quality of life of patients with PFDs. Furthermore, investigations focused on regeneration of the main constituents of the pelvic floor and lower urinary tract improve our understanding of the underlying pathophysiology of PFDs. Regenerative medicine techniques have a high potential not only to revolutionize treatment of PFDs but also to prevent these complex conditions.
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Affiliation(s)
- Tatyanna Henderson
- Division of Urogynecology and Reconstructive Pelvic Surgery, Department of Obstetrics, Gynecology, and Reproductive Sciences
| | - Karen L. Christman
- Shu Chien-Gene Lay Department of Bioengineering, University of California San Diego
- Sanford Consortium for Regenerative Medicine, La Jolla, CA
| | - Marianna Alperin
- Division of Urogynecology and Reconstructive Pelvic Surgery, Department of Obstetrics, Gynecology, and Reproductive Sciences
- Sanford Consortium for Regenerative Medicine, La Jolla, CA
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Wang R, Hu P, Wang F, Lyu J, Ou Y, Edderkaoui M, Zhang Y, Lewis MS, Pandol SJ, Zhau HE, Chung LWK. Spontaneous Fusion with Transformed Mesenchymal Stromal Cells Results in Complete Heterogeneity in Prostate Cancer Cells. Cancers (Basel) 2024; 16:951. [PMID: 38473313 PMCID: PMC10931070 DOI: 10.3390/cancers16050951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 02/16/2024] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Tumor cells gain advantages in growth and survival by acquiring genotypic and phenotypic heterogeneity. Interactions with bystander cells in the tumor microenvironment contribute to the progression of heterogeneity. We have shown that fusion between tumor and bystander cells is one form of interaction, and that tumor-bystander cell fusion has contrasting effects. By trapping fusion hybrids in the heterokaryon or synkaryon state, tumor-bystander cell fusion prevents the progression of heterogeneity. However, if trapping fails, fusion hybrids will resume replication to form derivative clones with diverse genomic makeups and behavioral phenotypes. To determine the characteristics of bystander cells that influence the fate of fusion hybrids, we co-cultured prostate mesenchymal stromal cell lines and their spontaneously transformed sublines with LNCaP as well as HPE-15 prostate cancer cells. Subclones derived from cancer-stromal fusion hybrids were examined for genotypic and phenotypic diversifications. Both stromal cell lines were capable of fusing with cancer cells, but only fusion hybrids with the transformed stromal subline generated large numbers of derivative subclones. Each subclone had distinct cell morphologies and growth behaviors and was detected with complete genomic hybridization. The health conditions of the bystander cell compartment play a crucial role in the progression of tumor cell heterogeneity.
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Affiliation(s)
- Ruoxiang Wang
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (P.H.); (F.W.); (J.L.); (M.E.); (S.J.P.); (H.E.Z.); (L.W.K.C.)
| | - Peizhen Hu
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (P.H.); (F.W.); (J.L.); (M.E.); (S.J.P.); (H.E.Z.); (L.W.K.C.)
| | - Fubo Wang
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (P.H.); (F.W.); (J.L.); (M.E.); (S.J.P.); (H.E.Z.); (L.W.K.C.)
| | - Ji Lyu
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (P.H.); (F.W.); (J.L.); (M.E.); (S.J.P.); (H.E.Z.); (L.W.K.C.)
| | - Yan Ou
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (Y.O.); (Y.Z.)
| | - Mouad Edderkaoui
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (P.H.); (F.W.); (J.L.); (M.E.); (S.J.P.); (H.E.Z.); (L.W.K.C.)
| | - Yi Zhang
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (Y.O.); (Y.Z.)
| | - Michael S. Lewis
- Department of Medicine and Pathology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA;
| | - Stephen J. Pandol
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (P.H.); (F.W.); (J.L.); (M.E.); (S.J.P.); (H.E.Z.); (L.W.K.C.)
| | - Haiyen E. Zhau
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (P.H.); (F.W.); (J.L.); (M.E.); (S.J.P.); (H.E.Z.); (L.W.K.C.)
| | - Leland W. K. Chung
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; (P.H.); (F.W.); (J.L.); (M.E.); (S.J.P.); (H.E.Z.); (L.W.K.C.)
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6
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Merino JJ, Cabaña-Muñoz ME. Nanoparticles and Mesenchymal Stem Cell (MSC) Therapy for Cancer Treatment: Focus on Nanocarriers and a si-RNA CXCR4 Chemokine Blocker as Strategies for Tumor Eradication In Vitro and In Vivo. MICROMACHINES 2023; 14:2068. [PMID: 38004925 PMCID: PMC10673568 DOI: 10.3390/mi14112068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 10/07/2023] [Accepted: 10/13/2023] [Indexed: 11/26/2023]
Abstract
Mesenchymal stem cells (MSCs) have a high tropism for the hypoxic microenvironment of tumors. The combination of nanoparticles in MSCs decreases tumor growth in vitro as well as in rodent models of cancers in vivo. Covalent conjugation of nanoparticles with the surface of MSCs can significantly increase the drug load delivery in tumor sites. Nanoparticle-based anti-angiogenic systems (gold, silica and silicates, diamond, silver, and copper) prevented tumor growth in vitro. For example, glycolic acid polyconjugates enhance nanoparticle drug delivery and have been reported in human MSCs. Labeling with fluorescent particles (coumarin-6 dye) identified tumor cells using fluorescence emission in tissues; the conjugation of different types of nanoparticles in MSCs ensured success and feasibility by tracking the migration and its intratumor detection using non-invasive imaging techniques. However, the biosafety and efficacy; long-term stability of nanoparticles, and the capacity for drug release must be improved for clinical implementation. In fact, MSCs are vehicles for drug delivery with nanoparticles and also show low toxicity but inefficient accumulation in tumor sites by clearance of reticuloendothelial organs. To solve these problems, the internalization or conjugation of drug-loaded nanoparticles should be improved in MSCs. Finally, CXCR4 may prove to be a promising target for immunotherapy and cancer treatment since the delivery of siRNA to knock down this alpha chemokine receptor or CXCR4 antagonism has been shown to disrupt tumor-stromal interactions.
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Affiliation(s)
- José Joaquín Merino
- Departamento de Farmacología, Farmacognosia y Botánica, Facultad de Farmacia, Universidad Complutense de Madrid (U.C.M.), 28040 Madrid, Spain
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Lu B, Klomjit N, Zhu XY, Jordan KL, Grande JP, Lerman LO. A Pseudotumor in a Mouse Kidney Following Human MSCs Injection. Stem Cell Rev Rep 2023; 19:2551-2553. [PMID: 37310668 PMCID: PMC10592440 DOI: 10.1007/s12015-023-10572-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2023] [Indexed: 06/14/2023]
Affiliation(s)
- Bo Lu
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
- Department of Cardiology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, 110 Ganhe Road, Shanghai, 200437, China
| | - Nattawat Klomjit
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Xiang-Yang Zhu
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Kyra L Jordan
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - Joseph P Grande
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - Lilach O Lerman
- Division of Nephrology and Hypertension, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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Jammes M, Cassé F, Velot E, Bianchi A, Audigié F, Contentin R, Galéra P. Pro-Inflammatory Cytokine Priming and Purification Method Modulate the Impact of Exosomes Derived from Equine Bone Marrow Mesenchymal Stromal Cells on Equine Articular Chondrocytes. Int J Mol Sci 2023; 24:14169. [PMID: 37762473 PMCID: PMC10531906 DOI: 10.3390/ijms241814169] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/12/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Osteoarthritis (OA) is a widespread osteoarticular pathology characterized by progressive hyaline cartilage degradation, exposing horses to impaired well-being, premature career termination, alongside substantial financial losses for horse owners. Among the new therapeutic strategies for OA, using mesenchymal stromal cell (MSC)-derived exosomes (MSC-exos) appears to be a promising option for conveying MSC therapeutic potential, yet avoiding the limitations inherent to cell therapy. Here, we first purified and characterized exosomes from MSCs by membrane affinity capture (MAC) and size-exclusion chromatography (SEC). We showed that intact MSC-exos are indeed internalized by equine articular chondrocytes (eACs), and then evaluated their functionality on cartilaginous organoids. Compared to SEC, mRNA and protein expression profiles revealed that MAC-exos induced a greater improvement of eAC-neosynthesized hyaline-like matrix by modulating collagen levels, increasing PCNA, and decreasing Htra1 synthesis. However, because the MAC elution buffer induced unexpected effects on eACs, an ultrafiltration step was included to the isolation protocol. Finally, exosomes from MSCs primed with equine pro-inflammatory cytokines (IL-1β, TNF-α, or IFN-γ) further improved the eAC hyaline-like phenotype, particularly IL-1β and TNF-α. Altogether, these findings indicate the importance of the exosome purification method and further demonstrate the potential of pro-inflammatory priming in the enhancement of the therapeutic value of MSC-exos for equine OA treatment.
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Affiliation(s)
- Manon Jammes
- BIOTARGEN, UNICAEN, Normandie University, 14000 Caen, France; (M.J.); (F.C.); (R.C.)
| | - Frédéric Cassé
- BIOTARGEN, UNICAEN, Normandie University, 14000 Caen, France; (M.J.); (F.C.); (R.C.)
| | - Emilie Velot
- Molecular Engineering and Articular Physiopathology (IMoPA), French National Center for Scientific Research (CNRS), Université de Lorraine, 54000 Nancy, France; (E.V.); (A.B.)
| | - Arnaud Bianchi
- Molecular Engineering and Articular Physiopathology (IMoPA), French National Center for Scientific Research (CNRS), Université de Lorraine, 54000 Nancy, France; (E.V.); (A.B.)
| | - Fabrice Audigié
- Center of Imaging and Research in Locomotor Affections on Equines, Veterinary School of Alfort, 14430 Goustranville, France;
| | - Romain Contentin
- BIOTARGEN, UNICAEN, Normandie University, 14000 Caen, France; (M.J.); (F.C.); (R.C.)
| | - Philippe Galéra
- BIOTARGEN, UNICAEN, Normandie University, 14000 Caen, France; (M.J.); (F.C.); (R.C.)
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Berta T, Strong JA, Zhang JM, Ji RR. Targeting dorsal root ganglia and primary sensory neurons for the treatment of chronic pain: an update. Expert Opin Ther Targets 2023; 27:665-678. [PMID: 37574713 PMCID: PMC10530032 DOI: 10.1080/14728222.2023.2247563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 06/30/2023] [Accepted: 08/09/2023] [Indexed: 08/15/2023]
Abstract
INTRODUCTION Current treatments for chronic pain are inadequate. Here, we provide an update on the new therapeutic strategies that target dorsal root ganglia (DRGs) in the peripheral nervous system for a better and safer treatment of chronic pain. AREAS COVERED Despite the complex nature of chronic pain and its underlying mechanisms, we do know that changes in the plasticity and modality of neurons in DRGs play a pivotal role. DRG neurons are heterogenous and offer potential pain targets for different therapeutic interventions. We discuss the last advancements of these interventions, which include the use of systemic and local administrations, selective nerve drug delivery, and gene therapy. In particular, we provide updates and further details on the molecular characterization of primary sensory neurons, new analgesics entering the market, and future gene therapy approaches. EXPERT OPINION DRGs and primary sensory neurons are promising targets for chronic pain treatment due to their key role in pain signaling, unique anatomical location, and the potential for different targeted therapeutic interventions.
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Affiliation(s)
- Temugin Berta
- Pain Research Center, Department of Anesthesiology, University of Cincinnati Medical Center, Cincinnati, OH 45267, USA
| | - Judith A. Strong
- Pain Research Center, Department of Anesthesiology, University of Cincinnati Medical Center, Cincinnati, OH 45267, USA
| | - Jun-Ming Zhang
- Pain Research Center, Department of Anesthesiology, University of Cincinnati Medical Center, Cincinnati, OH 45267, USA
| | - Ru-Rong Ji
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University Medical Center, Durham, NC 27710, USA
- Departments of Cell Biology and Neurobiology, Duke University Medical Center, Durham, North Carolina 27710
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10
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Yaylacı S, Kaçaroğlu D, Hürkal Ö, Ulaşlı AM. An enzyme-free technique enables the isolation of a large number of adipose-derived stem cells at the bedside. Sci Rep 2023; 13:8005. [PMID: 37198228 DOI: 10.1038/s41598-023-34915-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 05/09/2023] [Indexed: 05/19/2023] Open
Abstract
Adipose tissue derived stromal cells (ADSCs) play a crucial role in research and applications of regenerative medicine because they can be rapidly isolated in high quantities. Nonetheless, their purity, pluripotency, differentiation capacity, and stem cell marker expression might vary greatly depending on technique and tools used for extraction and harvesting. There are two methods described in the literature for isolating regenerative cells from adipose tissue. The first technique is enzymatic digestion, which utilizes many enzymes to remove stem cells from the tissue they reside in. The second method involves separating the concentrated adipose tissue using non-enzymatic, mechanical separation methods. ADSCs are isolated from the stromal-vascular fraction (SVF) of processed lipoaspirate, which is the lipoaspirate's aqueous portion. The purpose of this work was to evaluate a unique device 'microlyzer' for generating SVF from adipose tissue using a mechanical technique that required minimal intervention. The Microlyzer was examined using tissue samples from ten different patients. The cells that were retrieved were characterized in terms of their cell survival, phenotype, proliferation capacity, and differentiation potential. The number of progenitor cells extracted only from the microlyzed tissue was in comparable amount to the number of progenitor cells acquired by the gold standard enzymatic approach. The cells that were collected from each group exhibit similar levels of viability as well as proliferation rates. In addition, the differentiation potentials of the cells derived from the microlyzed tissue were investigated, and it was discovered that cells isolated through microlyzer entered the differentiation pathways more quickly and displayed a greater level of marker gene expression than cells isolated by enzymatic methods. These findings suggest that microlyzer, particularly in regeneration investigations, will allow quick and high rate cell separation at the bedside.
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Affiliation(s)
- Seher Yaylacı
- Department of Medical Biology, Faculty of Medicine, Lokman Hekim University, Ankara, 06800, Turkey.
| | - Demet Kaçaroğlu
- Department of Medical Biology, Faculty of Medicine, Lokman Hekim University, Ankara, 06800, Turkey
| | - Özgür Hürkal
- Plastic Reconstructive and Aesthetic Surgery, Lokman Hekim Hospital, Ankara, 06800, Turkey
| | - Alper Murat Ulaşlı
- Physical Therapy and Rehabilitation, Faculty of Health Sciences, Lokman Hekim University, Ankara, 06800, Turkey
- Romatem Ankara Physical Therapy and Rehabilitation Center, Ankara, 06700, Turkey
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Jammes M, Contentin R, Cassé F, Galéra P. Equine osteoarthritis: Strategies to enhance mesenchymal stromal cell-based acellular therapies. Front Vet Sci 2023; 10:1115774. [PMID: 36846261 PMCID: PMC9950114 DOI: 10.3389/fvets.2023.1115774] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Accepted: 01/26/2023] [Indexed: 02/12/2023] Open
Abstract
Osteoarthritis (OA) is a degenerative disease that eventually leads to the complete degradation of articular cartilage. Articular cartilage has limited intrinsic capacity for self-repair and, to date, there is no curative treatment for OA. Humans and horses have a similar articular cartilage and OA etiology. Thus, in the context of a One Health approach, progress in the treatment of equine OA can help improve horse health and can also constitute preclinical studies for human medicine. Furthermore, equine OA affects horse welfare and leads to significant financial losses in the equine industry. In the last few years, the immunomodulatory and cartilage regenerative potentials of mesenchymal stromal cells (MSCs) have been demonstrated, but have also raised several concerns. However, most of MSC therapeutic properties are contained in their secretome, particularly in their extracellular vesicles (EVs), a promising avenue for acellular therapy. From tissue origin to in vitro culture methods, various aspects must be taken into consideration to optimize MSC secretome potential for OA treatment. Immunomodulatory and regenerative properties of MSCs can also be enhanced by recreating a pro-inflammatory environment to mimic an in vivo pathological setting, but more unusual methods also deserve to be investigated. Altogether, these strategies hold substantial potential for the development of MSC secretome-based therapies suitable for OA management. The aim of this mini review is to survey the most recent advances on MSC secretome research with regard to equine OA.
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Affiliation(s)
- Manon Jammes
- BIOTARGEN, UNICAEN, Normandie University, Caen, France
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Algorta A, Artigas R, Rial A, Brandl S, Rodellar C, Benavides U, Maisonnave J, Yaneselli K. Isolation and characterization of feline dental pulp stem cells. J Feline Med Surg 2023; 25:1098612X221150625. [PMID: 36745130 PMCID: PMC10812064 DOI: 10.1177/1098612x221150625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
OBJECTIVES The aim of this study was to isolate feline dental pulp stem cells (fDPSCs) and characterize their clonogenic and proliferative abilities, as well as their multipotency, immunophenotype and cytogenetic stability. METHODS Dental pulp was isolated by explant culture from two cats <1 year old at post mortem. Their clonogenicity was characterized using a colony-forming unit fibroblast assay, and their proliferative ability was quantified with a doubling time assay in passages 2, 4 and 6 (P2, P4 and P6, respectively). Multipotency was characterized with an in vitro trilineage differentiation assay in P2, and cells were immunophenotyped in P4 by flow cytometry. Chromosomic stability was evaluated by cytogenetic analysis in P2, P4 and P6. RESULTS The fDPSCs displayed spindle and epithelial-like morphologies. Isolated cells showed a marked clonogenic capacity and doubling time was maintained from P2 to P6. Trilineage differentiation was obtained in one sample, while the other showed osteogenic and chondrogenic differentiation. Immunophenotypic analysis showed fDPSCs were CD45-, CD90+ and CD44+. Structural and numerical cytogenetic aberrations were observed in P2-P4. CONCLUSIONS AND RELEVANCE In this study, fDPSCs from two cats were isolated by explant culture and immunophenotyped. Cells displayed clonogenic and proliferative ability, and multipotency in vitro, and signs of chromosomic instability were observed. Although a larger study is needed to confirm these results, this is the first report of fDPSC isolation and in vitro characterization.
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Affiliation(s)
- Agustina Algorta
- Immunology and Immunotherapy Unit, Department of Patobiology, Veterinary Faculty, University of the Republic (UdelaR), Montevideo, Uruguay
- Odontostomatology Service, Veterinary Hospital Clinical Department, Veterinary Faculty, University of the Republic (UdelaR), Montevideo, Uruguay
| | - Rody Artigas
- Animal Genetics and Improvement Unit, Department of Animal Production and Health Production Systems, Veterinary Faculty, University of the Republic (UdelaR), Montevideo, Uruguay
| | - Analía Rial
- Department of Biotechnology Development, Hygiene Institute, Medical Faculty, University of the Republic (UdelaR), Montevideo, Uruguay
| | - Scott Brandl
- Microbiology Unit, Department of Pathobiology, Veterinary Faculty, University of the Republic (UdelaR), Montevideo, Uruguay
| | - Clementina Rodellar
- LAGENBIO, Veterinary Faculty, Food and Agriculture Institute of Aragón-IA2, University of Zaragoza-CITA, Zaragoza, Spain
| | - Uruguaysito Benavides
- Immunology and Immunotherapy Unit, Department of Patobiology, Veterinary Faculty, University of the Republic (UdelaR), Montevideo, Uruguay
| | - Jacqueline Maisonnave
- Immunology and Immunotherapy Unit, Department of Patobiology, Veterinary Faculty, University of the Republic (UdelaR), Montevideo, Uruguay
| | - Kevin Yaneselli
- Immunology and Immunotherapy Unit, Department of Patobiology, Veterinary Faculty, University of the Republic (UdelaR), Montevideo, Uruguay
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Jakl V, Ehmele M, Winkelmann M, Ehrenberg S, Eiseler T, Friemert B, Rojewski MT, Schrezenmeier H. A novel approach for large-scale manufacturing of small extracellular vesicles from bone marrow-derived mesenchymal stromal cells using a hollow fiber bioreactor. Front Bioeng Biotechnol 2023; 11:1107055. [PMID: 36761296 PMCID: PMC9904364 DOI: 10.3389/fbioe.2023.1107055] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 01/09/2023] [Indexed: 01/25/2023] Open
Abstract
Mesenchymal stromal cells (MSCs) are promising therapeutic candidates in a variety of diseases due to having immunomodulatory and pro-regenerative properties. In recent years, MSC-derived small extracellular vesicles (sEVs) have attracted increasing interest as a possible alternative to conventional cell therapy. However, translational processes of sEVs for clinical applications are still impeded by inconsistencies regarding isolation procedures and culture conditions. We systematically compared different methods for sEV isolation from conditioned media of ex vivo expanded bone marrow-derived MSCs and demonstrated considerable variability of quantity, purity, and characteristics of sEV preparations obtained by these methods. The combination of cross flow filtration with ultracentrifugation for sEV isolation resulted in sEVs with similar properties as compared to isolation by differential centrifugation combined with ultracentrifugation, the latter is still considered as gold standard for sEV isolation. In contrast, sEV isolation by a combination of precipitation with polyethylene glycol and ultracentrifugation as well as cross flow filtration and size exclusion chromatography resulted in sEVs with different characteristics, as shown by surface antigen expression patterns. The MSC culture requires a growth-promoting supplement, such as platelet lysate, which contains sEVs itself. We demonstrated that MSC culture with EV-depleted platelet lysate does not alter MSC characteristics, and conditioned media of such MSC cultures provide sEV preparations enriched for MSC-derived sEVs. The results from the systematic stepwise evaluation of various aspects were combined with culture of MSCs in a hollow fiber bioreactor. This resulted in a strategy using cross flow filtration with subsequent ultracentrifugation for sEV isolation. In conclusion, this workflow provides a semi-automated, efficient, large-scale-applicable, and good manufacturing practice (GMP)-grade approach for the generation of sEVs for clinical use. The use of EV-depleted platelet lysate is an option to further increase the purity of MSC-derived sEVs.
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Affiliation(s)
- Viktoria Jakl
- Institute for Transfusion Medicine, University Hospital Ulm, Ulm, Germany
| | - Melanie Ehmele
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service Baden-Württemberg—Hessia and University Hospital Ulm, Ulm, Germany
| | - Martina Winkelmann
- Institute for Transfusion Medicine, University Hospital Ulm, Ulm, Germany
| | - Simon Ehrenberg
- Institute for Transfusion Medicine, University Hospital Ulm, Ulm, Germany
| | - Tim Eiseler
- Clinic of Internal Medicine I, University Hospital Ulm, Ulm, Germany
| | - Benedikt Friemert
- Clinic for Trauma Surgery and Orthopedics, Army Hospital Ulm, Ulm, Germany
| | - Markus Thomas Rojewski
- Institute for Transfusion Medicine, University Hospital Ulm, Ulm, Germany,Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service Baden-Württemberg—Hessia and University Hospital Ulm, Ulm, Germany,*Correspondence: Markus Thomas Rojewski,
| | - Hubert Schrezenmeier
- Institute for Transfusion Medicine, University Hospital Ulm, Ulm, Germany,Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service Baden-Württemberg—Hessia and University Hospital Ulm, Ulm, Germany
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14
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Low-dose telomerase is required for the expansion and migration of placental mesenchymal stem cells. Biochem Biophys Res Commun 2022; 636:40-47. [DOI: 10.1016/j.bbrc.2022.10.093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Accepted: 10/27/2022] [Indexed: 11/17/2022]
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Preclinical Evaluation of the Tumorigenic and Immunomodulatory Properties of Human Bone Marrow Mesenchymal Stromal Cell Populations with Clonal Trisomy 5. Stem Cells Int 2022; 2022:1613636. [PMID: 36035513 PMCID: PMC9417782 DOI: 10.1155/2022/1613636] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/04/2022] [Indexed: 01/22/2023] Open
Abstract
Cytogenetic aberrations may emerge in human mesenchymal stromal cells (MSC) during ex vivo expansion for cell therapy. We have detected clonal trisomy 5 in two distinct autologous MSC products expanded from bone marrow which, based on the current quality control criteria, could not be released for clinical use. Although a safety concern, it is still unclear to what extent recurrent aneuploidies detected in MSC products may affect the threshold for neoplastic transformation or the medicinal properties of these cells. We have carried out an exploratory preclinical study to evaluate these MSC products with clonal trisomy 5, regarding their oncogenic and immunomodulatory potential. Cell population growth in vitro was reduced in MSC cultures with clonal trisomy 5 compared with the population growth of their euploid MSC counterparts, based on a lower cumulative population doubling level, reduced cell proliferation index, and increased senescence-associated beta-galactosidase activity. Subcutaneous injection of clinically relevant amount of MSC population, either with or without clonal trisomy 5, did not generate tumors in immunodeficient mice within a follow-up period of six months. Most importantly, MSC population with clonal trisomy 5 kept immunomodulatory properties upon interferon gamma (IFNγ) licensing, displaying overexpression of IDO, CXCL9, CXCL10, and CXCL11, in a similar fashion than that of IFNγ-licensed euploid MSC. Our findings suggest that bone marrow MSC products with clonal trisomy 5 may retain their therapeutic potential, based on poor tumor initiating capability and preserved immunomodulatory potency. This preclinical evidence may further support the definition of release criteria of autologous MSC products for cell therapy under critical clinical scenarios. This trial is registered with Clinical Study registration number: RBR-29x2pr.
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16
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Li C, Wang B. Mesenchymal Stem/Stromal Cells in Progressive Fibrogenic Involvement and Anti-Fibrosis Therapeutic Properties. Front Cell Dev Biol 2022; 10:902677. [PMID: 35721482 PMCID: PMC9198494 DOI: 10.3389/fcell.2022.902677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 05/13/2022] [Indexed: 11/22/2022] Open
Abstract
Fibrosis refers to the connective tissue deposition and stiffness usually as a result of injury. Fibrosis tissue-resident mesenchymal cells, including fibroblasts, myofibroblast, smooth muscle cells, and mesenchymal stem/stromal cells (MSCs), are major players in fibrogenic processes under certain contexts. Acknowledging differentiation potential of MSCs to the aforementioned other types of mesenchymal cell lineages is essential for better understanding of MSCs’ substantial contributions to progressive fibrogenesis. MSCs may represent a potential therapeutic option for fibrosis resolution owing to their unique pleiotropic functions and therapeutic properties. Currently, clinical trial efforts using MSCs and MSC-based products are underway but clinical data collected by the early phase trials are insufficient to offer better support for the MSC-based anti-fibrotic therapies. Given that MSCs are involved in the coagulation through releasing tissue factor, MSCs can retain procoagulant activity to be associated with fibrogenic disease development. Therefore, MSCs’ functional benefits in translational applications need to be carefully balanced with their potential risks.
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Affiliation(s)
- Chenghai Li
- Stem Cell Program of Clinical Research Center, People’s Hospital of Zhengzhou University and Henan Provincial People’s Hospital, Zhengzhou, China
- Henan Key Laboratory of Stem Cell Differentiation and Modification, Henan University, Zhengzhou, China
- *Correspondence: Chenghai Li, ; Bin Wang,
| | - Bin Wang
- Department of Neurosurgery, People’s Hospital of Zhengzhou University and Henan Provincial People’s Hospital, Zhengzhou, China
- *Correspondence: Chenghai Li, ; Bin Wang,
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He J, Yao X, Mo P, Wang K, Yang ZL, Tian NN, Zhu XQ, Zhao J, Pang RQ, Ruan GP, Pan XH. Lack of tumorigenesis and protumorigenic activity of human umbilical cord mesenchymal stem cells in NOD SCID mice. BMC Cancer 2022; 22:307. [PMID: 35317758 PMCID: PMC8941803 DOI: 10.1186/s12885-022-09431-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 03/08/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The tumorigenesis of infused umbilical cord mesenchymal stem cells (UC-MSCs) is being preclinically evaluated. METHODS We observed tumor formation in NOD SCID mice after a single subcutaneous injection of hUC-MSCs and the effect of these cells on tumor growth in tumor-bearing mice. Three generations (P5, P7, and P10) of hUC-MSCs (1 × 107) from two donors (hUC-MSC1 and hUC-MSC2) were inoculated subcutaneously into NOD SCID mice. Subcutaneous transplantation models were established in NOD SCID mice with human cervical cancer HeLa cells (solid tumor) and human B cell lymphoma Raji cells (hematological tumor). Then, the animals were euthanized, gross dissection was performed, and tissues were collected. Various organs were observed microscopically to identify pathological changes and tumor metastasis. RESULTS In the tumorigenesis experiment, no general anatomical abnormalities were observed. In the tumor promotion experiment, some animals in the HeLa groups experienced tumor rupture, and one animal died in each of the low- and medium-dose hUC-MSC groups. The results may have occurred due to the longer feeding time, and the tumor may have caused spontaneous infection and death. Pathological examination revealed no metastasis to distant organs in any group. In the Raji tumor model, some animals in each group experienced tumor rupture, and one animal in the medium-dose hUC-MSC group died, perhaps due to increased tumor malignancy. Thus, hUC-MSCs neither promoted nor inhibited tumor growth. No cancer cell metastasis was observed in the heart, liver, spleen, lungs, kidneys or other important organs, except that pulmonary venule metastasis was observed in 1 animal in the model group. CONCLUSIONS Injected hUC-MSCs were not tumorigenic and did not significantly promote or inhibit solid or hematological tumor growth or metastasis in NOD SCID mice.
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Affiliation(s)
- Jie He
- Kunming Medical University, 920th Hospital Clinical College, Yunnan Province, Kunming, 650000, China
| | - Xiang Yao
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China
| | - Ping Mo
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China
| | - Kai Wang
- Kunming Medical University, 920th Hospital Clinical College, Yunnan Province, Kunming, 650000, China
| | - Zai-Ling Yang
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China
| | - Ni-Ni Tian
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China
| | - Xiang-Qing Zhu
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China
| | - Jing Zhao
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China
| | - Rong-Qing Pang
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China
| | - Guang-Ping Ruan
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China.
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China.
| | - Xing-Hua Pan
- Basic Medical Laboratory, 920th Hospital of Joint Logistics Support Force, PLA, Kunming, 650032, Yunnan Province, China.
- The Stem Cells and Immune Cells Biomedical Techniques Integrated Engineering Laboratory of State and Regions, Kunming, 650032, Yunnan Province, China.
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18
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Zeynaloo E, Stone LD, Dikici E, Ricordi C, Deo SK, Bachas LG, Daunert S, Lanzoni G. Delivery of therapeutic agents and cells to pancreatic islets: Towards a new era in the treatment of diabetes. Mol Aspects Med 2022; 83:101063. [PMID: 34961627 PMCID: PMC11328325 DOI: 10.1016/j.mam.2021.101063] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 12/09/2021] [Accepted: 12/13/2021] [Indexed: 02/07/2023]
Abstract
Pancreatic islet cells, and in particular insulin-producing beta cells, are centrally involved in the pathogenesis of diabetes mellitus. These cells are of paramount importance for the endocrine control of glycemia and glucose metabolism. In Type 1 Diabetes, islet beta cells are lost due to an autoimmune attack. In Type 2 Diabetes, beta cells become dysfunctional and insufficient to counterbalance insulin resistance in peripheral tissues. Therapeutic agents have been developed to support the function of islet cells, as well as to inhibit deleterious immune responses and inflammation. Most of these agents have undesired effects due to systemic administration and off-target effects. Typically, only a small fraction of therapeutic agent reaches the desired niche in the pancreas. Because islets and their beta cells are scattered throughout the pancreas, access to the niche is limited. Targeted delivery to pancreatic islets could dramatically improve the therapeutic effect, lower the dose requirements, and lower the side effects of agents administered systemically. Targeted delivery is especially relevant for those therapeutics for which the manufacturing is difficult and costly, such as cells, exosomes, and microvesicles. Along with therapeutic agents, imaging reagents intended to quantify the beta cell mass could benefit from targeted delivery. Several methods have been developed to improve the delivery of agents to pancreatic islets. Intra-arterial administration in the pancreatic artery is a promising surgical approach, but it has inherent risks. Targeted delivery strategies have been developed based on ligands for cell surface molecules specific to islet cells or inflamed vascular endothelial cells. Delivery methods range from nanocarriers and vectors to deliver pharmacological agents to viral and non-viral vectors for the delivery of genetic constructs. Several strategies demonstrated enhanced therapeutic effects in diabetes with lower amounts of therapeutic agents and lower off-target side effects. Microvesicles, exosomes, polymer-based vectors, and nanocarriers are gaining popularity for targeted delivery. Notably, liposomes, lipid-assisted nanocarriers, and cationic polymers can be bioengineered to be immune-evasive, and their advantages to transport cargos into target cells make them appealing for pancreatic islet-targeted delivery. Viral vectors have become prominent tools for targeted gene delivery. In this review, we discuss the latest strategies for targeted delivery of therapeutic agents and imaging reagents to pancreatic islet cells.
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Affiliation(s)
- Elnaz Zeynaloo
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Department of Chemistry, University of Miami, FL, USA.
| | - Logan D Stone
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL, USA; Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA.
| | - Emre Dikici
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA
| | - Camillo Ricordi
- Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL, USA; Department of Surgery, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Sapna K Deo
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA
| | - Leonidas G Bachas
- Department of Chemistry, University of Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA
| | - Sylvia Daunert
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA; Clinical and Translational Science Institute, University of Miami, Miami, FL, USA
| | - Giacomo Lanzoni
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL, USA; Diabetes Research Institute, University of Miami Miller School of Medicine, Miami, FL, USA; Dr. John T. Macdonald Foundation Biomedical Nanotechnology Institute - BioNIUM at University of Miami, Miami, FL, USA.
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Cagnan I, Keles M, Keskus AG, Tombaz M, Sahan OB, Aerts-Kaya F, Uckan-Cetinkaya D, Konu O, Gunel-Ozcan A. Global miRNA expression of bone marrow mesenchymal stem/stromal cells derived from Fanconi anemia patients. Hum Cell 2021; 35:111-124. [PMID: 34792755 DOI: 10.1007/s13577-021-00626-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 09/26/2021] [Indexed: 11/24/2022]
Abstract
Fanconi anemia (FA) is a rare genetic disorder characterized by genomic instability, developmental defects, and bone marrow (BM) failure. Hematopoietic stem cells (HSCs) in BM interact with the mesenchymal stem/stromal cells (MSCs); and this partly sustains the tissue homeostasis. MicroRNAs (miRNAs) can play a critical role during these interactions possibly via paracrine mechanisms. This is the first study addressing the miRNA profile of FA BM-MSCs obtained before and after BM transplantation (preBMT and postBMT, respectively). Non-coding RNA expression profiling and quality control analyses were performed in Donors (n = 13), FA preBMT (n = 11), and FA postBMT (n = 6) BM-MSCs using GeneChip miRNA 2.0 Array. Six Donor-FA preBMT pairs were used to identify a differentially expressed miRNA expression signature containing 50 miRNAs, which exhibited a strong correlation with the signature obtained from unpaired samples. Five miRNAs (hsa-miR-146a-5p, hsa-miR-148b-3p, hsa-miR-187-3p, hsa-miR-196b-5p, and hsa-miR-25-3p) significantly downregulated in both the paired and unpaired analyses were used to generate the BM-MSCs' miRNA-BM mononuclear mRNA networks upon integration of a public dataset (GSE16334; studying Donor versus FA samples). Functionally enriched KEGG pathways included cellular senescence, miRNAs, and pathways in cancer. Here, we showed that hsa-miR-146a-5p and hsa-miR-874-3p were rescued upon BMT (n = 3 triplets). The decrease in miR-146a-5p was also validated using RT-qPCR and emerged as a strong candidate as a modulator of BM mRNAs in FA patients.
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Affiliation(s)
- Ilgin Cagnan
- Department of Stem Cell Sciences, Graduate School of Health Sciences, Center for Stem Cell Research and Development, Hacettepe University, 06100, Sihhiye, Ankara, Turkey.,Department of Biological Sciences, Faculty of Arts and Sciences, Eastern Mediterranean University, 99628, Famagusta, North Cyprus, via Mersin-10, Turkey
| | - Mustafa Keles
- Department of Stem Cell Sciences, Graduate School of Health Sciences, Center for Stem Cell Research and Development, Hacettepe University, 06100, Sihhiye, Ankara, Turkey.,Center for Stem Cell Research and Development, PEDI-STEM, Hacettepe University, 06100, Sihhiye, Ankara, Turkey
| | - Ayse Gokce Keskus
- Interdisciplinary Neuroscience Program, Bilkent University, Ankara, Turkey
| | - Melike Tombaz
- Department of Molecular Biology and Genetics, Bilkent University, Ankara, Turkey
| | - Ozge Burcu Sahan
- Department of Stem Cell Sciences, Graduate School of Health Sciences, Center for Stem Cell Research and Development, Hacettepe University, 06100, Sihhiye, Ankara, Turkey.,Center for Stem Cell Research and Development, PEDI-STEM, Hacettepe University, 06100, Sihhiye, Ankara, Turkey
| | - Fatima Aerts-Kaya
- Department of Stem Cell Sciences, Graduate School of Health Sciences, Center for Stem Cell Research and Development, Hacettepe University, 06100, Sihhiye, Ankara, Turkey.,Center for Stem Cell Research and Development, PEDI-STEM, Hacettepe University, 06100, Sihhiye, Ankara, Turkey
| | - Duygu Uckan-Cetinkaya
- Department of Stem Cell Sciences, Graduate School of Health Sciences, Center for Stem Cell Research and Development, Hacettepe University, 06100, Sihhiye, Ankara, Turkey.,Center for Stem Cell Research and Development, PEDI-STEM, Hacettepe University, 06100, Sihhiye, Ankara, Turkey.,Department of Pediatrics, Division of Bone Marrow Transplantation Unit, Faculty of Medicine, Hacettepe University, Ankara, Turkey
| | - Ozlen Konu
- Interdisciplinary Neuroscience Program, Bilkent University, Ankara, Turkey. .,Department of Molecular Biology and Genetics, Bilkent University, Ankara, Turkey.
| | - Aysen Gunel-Ozcan
- Department of Stem Cell Sciences, Graduate School of Health Sciences, Center for Stem Cell Research and Development, Hacettepe University, 06100, Sihhiye, Ankara, Turkey. .,Center for Stem Cell Research and Development, PEDI-STEM, Hacettepe University, 06100, Sihhiye, Ankara, Turkey.
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20
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Padda J, Khalid K, Zubair U, Al Hennawi H, Yadav J, Almanie AH, Mehta KA, Tasnim F, Cooper AC, Jean-Charles G. Stem Cell Therapy and Its Significance in Pain Management. Cureus 2021; 13:e17258. [PMID: 34540482 PMCID: PMC8445610 DOI: 10.7759/cureus.17258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/17/2021] [Indexed: 11/24/2022] Open
Abstract
Pain management has always been a challenging issue, which is why it has been a major focus of many rigorous studies. Chronic pain which typically lasts for more than three months is prevalent at an astounding rate of 11% to 19% of the adult population. Pain management techniques have gone through major advances in the last decade with no major improvement in the quality of life in affected populations. Recently there has been growing interest in the utilization of stem cells for pain management. Advancement of stem cell therapy has been noted for the past few years and is now being used in human clinical trials. Stem cell therapy has shown promising results in the management of neuropathic, discogenic back, osteoarthritis, and musculoskeletal pain. In this article, we will discuss the role of stem cells in the pain management of the aforementioned conditions, along with the mechanism, adverse effects, and risks of stem cell therapy.
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Affiliation(s)
- Jaskamal Padda
- Internal Medicine, JC Medical Center, Orlando, USA.,Internal Medicine, Avalon University School of Medicine, Willemstad, CUW
| | | | - Ujala Zubair
- Internal Medicine, JC Medical Center, Orlando, USA
| | | | - Jayant Yadav
- Internal Medicine, JC Medical Center, Orlando, USA
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21
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Ma D, Guan B, Song L, Liu Q, Fan Y, Zhao L, Wang T, Zhang Z, Gao Z, Li S, Xu H. A Bibliometric Analysis of Exosomes in Cardiovascular Diseases From 2001 to 2021. Front Cardiovasc Med 2021; 8:734514. [PMID: 34513962 PMCID: PMC8424118 DOI: 10.3389/fcvm.2021.734514] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 08/04/2021] [Indexed: 01/04/2023] Open
Abstract
Background: Exosomes in cardiovascular diseases (CVDs) have become an active research field with substantial value and potential. Nevertheless, there are few bibliometric studies in this field. We aimed to visualize the research hotspots and trends of exosomes in CVDs using a bibliometric analysis to help understand the future development of basic and clinical research. Methods: The articles and reviews regarding exosomes in the CVDs were culled from the Web of Science Core Collection, and knowledge maps were generated using CiteSpace and VOSviewer software. Results: A total of 1,039 articles were included. The number of exosome articles in the CVDs increased yearly. These publications came from 60 countries/regions, led by the US and China. The primary research institutions were Shanghai Jiao Tong University and Nanjing Medical University. Circulation Research was the journal and co-cited journal with the most studies. We identified 473 authors among which Lucio Barile had the most significant number of articles and Thery C was co-cited most often. After analysis, the most common keywords are myocardium infarction, microRNA and mesenchymal stem cells. Ischemic heart disease, pathogenesis, regeneration, stem cells, targeted therapy, biomarkers, cardiac protection, and others are current and developing areas of study. Conclusion: We identified the research hotspots and trends of exosomes in CVDs using bibliometric and visual methods. Research on exosomes is flourishing in the cardiovascular medicine. Regenerative medicine, exosome engineering, delivery vehicles, and biomarkers will likely become the focus of future research.
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Affiliation(s)
- Dan Ma
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Baoyi Guan
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Luxia Song
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Qiyu Liu
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Yixuan Fan
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Lin Zhao
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Tongxin Wang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Zihao Zhang
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Zhuye Gao
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.,National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Siming Li
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.,National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Hao Xu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China.,National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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22
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Dam PTM, Hoang VT, Bui HTH, Hang LM, Hoang DM, Nguyen HP, Lien HT, Tran HTT, Nguyen XH, Nguyen Thanh L. Human Adipose-Derived Mesenchymal Stromal Cells Exhibit High HLA-DR Levels and Altered Cellular Characteristics under a Xeno-free and Serum-free Condition. Stem Cell Rev Rep 2021; 17:2291-2303. [PMID: 34510358 PMCID: PMC8599375 DOI: 10.1007/s12015-021-10242-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/11/2021] [Indexed: 01/22/2023]
Abstract
Background We have observed an increased expression of negative markers in some clinical-grade, xeno- and serum-free cultured adipose-derived mesenchymal stem/stromal cell (ADMSC) samples. It gave rise to concern that xeno- and serum-free conditions might have unexpected effects on human ADMSCs. This study aims to test this hypothesis for two xeno- and serum-free media, PowerStem MSC1 media (PS) and StemMACS MSC Expansion Media (SM), that support the in vitro expansion of ADMSCs. Methods We investigated the expression of negative markers in 42 clinical-grade ADMSC samples expanded in PS. Next, we cultured ADMSCs from seven donors in PS and SM and examined their growth and colony-forming ability, surface marker expression, differentiation, cell cycle and senescence, as well as genetic stability of two passages representing an early and late passage for therapeutic MSCs. Results 15 of 42 clinical-grade PS-expanded ADMSC samples showed an increased expression of negative markers ranging from 2.73% to 34.24%, which positively correlated with the age of donors. This rise of negative markers was related to an upregulation of Human Leukocyte Antigen – DR (HLA-DR). In addition, the PS-cultured cells presented decreased growth ability, lower frequencies of cells in S/G2/M phases, and increased ß-galactosidase activity in passage 7 suggesting their senescent feature compared to those grown in SM. Although MSCs of both PS and SM cultures were capable of multilineage differentiation, the PS-cultured cells demonstrated chromosomal abnormalities in passage 7 compared to the normal karyotype of their SM counterparts. Conclusions These findings suggest that the SM media is more suitable for the expansion of therapeutic ADMSCs than PS. The study also hints a change of ADMSC features at more advanced passages and with increased donor’s age. Thus, it emphasizes the necessity to cover these aspects in the quality control of therapeutic MSC products. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1007/s12015-021-10242-7.
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Affiliation(s)
- Phuong T M Dam
- Vinmec Institute of Applied Science and Regenerative Medicine, Vinmec Health Care System, Hanoi, Vietnam
| | - Van T Hoang
- Vinmec Research Institute of Stem Cell and Gene Technology (VRISG), Vinmec Health Care System, Hanoi, Vietnam
| | - Hue Thi Hong Bui
- Vinmec Institute of Applied Science and Regenerative Medicine, Vinmec Health Care System, Hanoi, Vietnam
| | - Le Minh Hang
- Vinmec Institute of Applied Science and Regenerative Medicine, Vinmec Health Care System, Hanoi, Vietnam
| | - Duc M Hoang
- Vinmec Research Institute of Stem Cell and Gene Technology (VRISG), Vinmec Health Care System, Hanoi, Vietnam
| | - Hoang Phuong Nguyen
- Vinmec Research Institute of Stem Cell and Gene Technology (VRISG), Vinmec Health Care System, Hanoi, Vietnam
| | - Ha Thi Lien
- Vinmec Institute of Applied Science and Regenerative Medicine, Vinmec Health Care System, Hanoi, Vietnam
| | - Huong Thi Thanh Tran
- Vinmec Institute of Applied Science and Regenerative Medicine, Vinmec Health Care System, Hanoi, Vietnam
| | - Xuan-Hung Nguyen
- Vinmec Institute of Applied Science and Regenerative Medicine, Vinmec Health Care System, Hanoi, Vietnam
| | - Liem Nguyen Thanh
- Vinmec Research Institute of Stem Cell and Gene Technology (VRISG), Vinmec Health Care System, Hanoi, Vietnam.
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23
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Rat Adipose-Derived Stromal Cells (ADSCs) Increases the Glioblastoma Growth and Decreases the Animal Survival. Stem Cell Rev Rep 2021; 18:1495-1509. [PMID: 34403074 DOI: 10.1007/s12015-021-10227-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2021] [Indexed: 12/22/2022]
Abstract
Many studies have shown that mesenchymal stromal cells (MSCs) and their secreted factors may modulate the biology of tumor cells. However, how these interactions happen in vivo remains unclear. In the present study, we investigated the effects of rat adipose-derived stromal cells (ADSCs) and their conditioned medium (ADSC-CM) in glioma tumor growth and malignancy in vivo. Our results showed that when we co-injected C6 cells plus ADSCs into the rat brains, the tumors generated were larger and the animals exhibited shorter survival, when compared with tumors of the animals that received only C6 cells or C6 cells pre-treated with ADSC-CM. We further showed that the animals that received C6 plus ADSC did not present enhanced expression of CD73 (a gene highly expressed in ADSCs), indicating that the tumor volume observed in these animals was not a mere consequence of the higher density of cells administered in this group. Finally, we showed that the animals that received C6 + ADSC presented tumors with larger necrosis areas and greater infiltration of immune cells. These results indicate that the immunoregulatory properties of ADSCs and its contribution to tumor stroma can support tumor growth leading to larger zones of necrosis, recruitment of immune cells, thus facilitating tumor progression. Our data provide new insights into the way by which ADSCs and tumor cells interact and highlight the importance of understanding the fate and roles of MSCs in tumor sites in vivo, as well as their intricate crosstalk with cancer cells.
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24
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Yang P, Zhou J, Ai Q, Yu B, Deng M, Luo F, Xie Z, Xing J, Hou T. Comparison of Individual Tissue-Engineered Bones and Allogeneic Bone in Treating Bone Defects: A Long-Term Follow-Up Study. Cell Transplant 2021; 29:963689720940722. [PMID: 32731815 PMCID: PMC7563814 DOI: 10.1177/0963689720940722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The treatment of bone defects has always been a challenge for orthopedic surgeons. The development of tissue engineering technology provides a novel method for repairing bone defects and has been used in animal experiments and clinical trials. However, there are few clinical studies on comparing the long-term outcomes of tissue-engineered bones (TEBs) and other bone grafts in treating bone defects, and the long-term efficiency of TEBs remains controversial. Therefore, a study designed by us was aimed to compare the long-term efficacy and safety of individual tissue-engineered bones (iTEBs) and allogeneic bone granules (ABGs) in treating bone defects caused by curettage of benign bone tumors and tumor-like lesions. From September 2003 to November 2009, 48 patients who received tumor curettage and bone grafting were analyzed with a mean follow-up of 122 mo (range 60 to 173 mo). Based on implant style, patients were divided into groups of iTEBs (n = 23) and ABGs (n = 25). Postoperatively, the healing time, healing quality, incidence of complications, and functional scores were compared between the two groups. The Musculoskeletal Tumor Society functional evaluation system and Activities of Daily Living Scale scores were significantly improved in both groups with no significant difference. The average healing time of ABGs was longer than that of iTEBs (P < 0.05). At the final follow-up, iTEBs had a better performance in the bone healing quality evaluated by modified Neer classification (P < 0.05). In the group of iTEBs, the complication and reoperation rate was lower than that in the group of ABGs, with no tumorigenesis or immune rejection observed. In summary, for treating bone defects caused by tumor curettage, iTEBs were safe, effective, and tagged with more rapid healing speed, better healing outcome, and lower complication and reoperation rate, in comparison with ABGs.
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Affiliation(s)
- Peng Yang
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
| | - Jiangling Zhou
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
| | - Qiuchi Ai
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
| | - Bo Yu
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
| | - Moyuan Deng
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
| | - Fei Luo
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
| | - Zhao Xie
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
| | - Junchao Xing
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
| | - Tianyong Hou
- National & Regional United Engineering Lab of Tissue Engineering, Department of Orthopaedics, Southwest Hospital, The Third Military Medical University, Chongqing, China.,Center of Regenerative and Reconstructive Engineering Technology in Chongqing City, Chongqing, China.,Tissue Engineering Laboratory of Chongqing City, Chongqing, China.,Key Lab of Military Bone Tissue Engineering, Third Military Medical University, Chongqing, China
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25
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Li C, Mills Z, Zheng Z. Novel cell sources for bone regeneration. MedComm (Beijing) 2021; 2:145-174. [PMID: 34766140 PMCID: PMC8491221 DOI: 10.1002/mco2.51] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 12/03/2020] [Accepted: 12/09/2020] [Indexed: 01/09/2023] Open
Abstract
A plethora of both acute and chronic conditions, including traumatic, degenerative, malignant, or congenital disorders, commonly induce bone disorders often associated with severe persisting pain and limited mobility. Over 1 million surgical procedures involving bone excision, bone grafting, and fracture repair are performed each year in the U.S. alone, resulting in immense levels of public health challenges and corresponding financial burdens. Unfortunately, the innate self-healing capacity of bone is often inadequate for larger defects over a critical size. Moreover, as direct transplantation of committed osteoblasts is hindered by deficient cell availability, limited cell spreading, and poor survivability, an urgent need for novel cell sources for bone regeneration is concurrent. Thanks to the development in stem cell biology and cell reprogramming technology, many multipotent and pluripotent cells that manifest promising osteogenic potential are considered the regenerative remedy for bone defects. Considering these cells' investigation is still in its relative infancy, each of them offers their own particular challenges that must be conquered before the large-scale clinical application.
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Affiliation(s)
- Chenshuang Li
- Department of Orthodontics, School of Dental MedicineUniversity of PennsylvaniaPhiladelphiaPennsylvaniaUSA
| | - Zane Mills
- College of DentistryUniversity of OklahomaOklahoma CityOklahomaUSA
| | - Zhong Zheng
- Division of Growth and Development, School of DentistryUniversity of CaliforniaLos AngelesCaliforniaUSA
- Department of Surgery, David Geffen School of MedicineUniversity of CaliforniaLos AngelesCaliforniaUSA
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26
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Mesenchymal Stem Cell Therapy for Osteoarthritis: Practice and Possible Promises. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1387:107-125. [DOI: 10.1007/5584_2021_695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Wang M, Luo Y, Yu Y, Chen F. Bioengineering Approaches to Accelerate Clinical Translation of Stem Cell Therapies Treating Osteochondral Diseases. Stem Cells Int 2020; 2020:8874742. [PMID: 33424981 PMCID: PMC7775142 DOI: 10.1155/2020/8874742] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/17/2020] [Accepted: 12/12/2020] [Indexed: 12/15/2022] Open
Abstract
The osteochondral tissue is an interface between articular cartilage and bone. The diverse composition, mechanical properties, and cell phenotype in these two tissues pose a big challenge for the reconstruction of the defected interface. Due to the availability and inherent regenerative therapeutic properties, stem cells provide tremendous promise to repair osteochondral defect. This review is aimed at highlighting recent progress in utilizing bioengineering approaches to improve stem cell therapies for osteochondral diseases, which include microgel encapsulation, adhesive bioinks, and bioprinting to control the administration and distribution. We will also explore utilizing synthetic biology tools to control the differentiation fate and deliver therapeutic biomolecules to modulate the immune response. Finally, future directions and opportunities in the development of more potent and predictable stem cell therapies for osteochondral repair are discussed.
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Affiliation(s)
- Meng Wang
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yixuan Luo
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yin Yu
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Fei Chen
- CAS Key Laboratory of Quantitative Engineering Biology, Shenzhen Institute of Synthetic Biology, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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28
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Mesenchymal Stem/Progenitor Cells: The Prospect of Human Clinical Translation. Stem Cells Int 2020; 2020:8837654. [PMID: 33953753 PMCID: PMC8063852 DOI: 10.1155/2020/8837654] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 06/19/2020] [Accepted: 07/20/2020] [Indexed: 12/13/2022] Open
Abstract
Mesenchymal stem/progenitor cells (MSCs) are key players in regenerative medicine, relying principally on their differentiation/regeneration potential, immunomodulatory properties, paracrine effects, and potent homing ability with minimal if any ethical concerns. Even though multiple preclinical and clinical studies have demonstrated remarkable properties for MSCs, the clinical applicability of MSC-based therapies is still questionable. Several challenges exist that critically hinder a successful clinical translation of MSC-based therapies, including but not limited to heterogeneity of their populations, variability in their quality and quantity, donor-related factors, discrepancies in protocols for isolation, in vitro expansion and premodification, and variability in methods of cell delivery, dosing, and cell homing. Alterations of MSC viability, proliferation, properties, and/or function are also affected by various drugs and chemicals. Moreover, significant safety concerns exist due to possible teratogenic/neoplastic potential and transmission of infectious diseases. Through the current review, we aim to highlight the major challenges facing MSCs' human clinical translation and shed light on the undergoing strategies to overcome them.
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29
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Yang HY, Fierro F, So M, Yoon DJ, Nguyen AV, Gallegos A, Bagood MD, Rojo-Castro T, Alex A, Stewart H, Chigbrow M, Dasu MR, Peavy TR, Soulika AM, Nolta JA, Isseroff RR. Combination product of dermal matrix, human mesenchymal stem cells, and timolol promotes diabetic wound healing in mice. Stem Cells Transl Med 2020; 9:1353-1364. [PMID: 32720751 DOI: 10.1002/sctm.19-0380] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 05/21/2020] [Accepted: 06/10/2020] [Indexed: 12/17/2022] Open
Abstract
Diabetic foot ulcers are a major health care concern with limited effective therapies. Mesenchymal stem cell (MSC)-based therapies are promising treatment options due to their beneficial effects of immunomodulation, angiogenesis, and other paracrine effects. We investigated whether a bioengineered scaffold device containing hypoxia-preconditioned, allogeneic human MSCs combined with the beta-adrenergic antagonist timolol could improve impaired wound healing in diabetic mice. Different iterations were tested to optimize the primary wound outcome, which was percent of wound epithelialization. MSC preconditioned in 1 μM timolol at 1% oxygen (hypoxia) seeded at a density of 2.5 × 105 cells/cm2 on Integra Matrix Wound Scaffold (MSC/T/H/S) applied to wounds and combined with daily topical timolol applications at 2.9 mM resulted in optimal wound epithelialization 65.6% (24.9% ± 13.0% with MSC/T/H/S vs 41.2% ± 20.1%, in control). Systemic absorption of timolol was below the HPLC limit of quantification, suggesting that with the 7-day treatment, accumulative steady-state timolol concentration is minimal. In the early inflammation stage of healing, the MSC/T/H/S treatment increased CCL2 expression, lowered the pro-inflammatory cytokines IL-1B and IL6 levels, decreased neutrophils by 44.8%, and shifted the macrophage ratio of M2/M1 to 1.9 in the wound, demonstrating an anti-inflammatory benefit. Importantly, expression of the endothelial marker CD31 was increased by 2.5-fold with this treatment. Overall, the combination device successfully improved wound healing and reduced the wound inflammatory response in the diabetic mouse model, suggesting that it could be translated to a therapy for patients with diabetic chronic wounds.
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Affiliation(s)
- Hsin-Ya Yang
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Fernando Fierro
- Department of Cell Biology and Human Anatomy, University of California, Davis, Sacramento, California, USA.,Stem Cell Program, Department of Internal Medicine, University of California, Davis, Davis, California, USA
| | - Michelle So
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Daniel J Yoon
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Alan Vu Nguyen
- Department of Dermatology, University of California, Davis, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine, Shriners Hospital for Children Northern California, Sacramento, California, USA
| | - Anthony Gallegos
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Michelle D Bagood
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Tomas Rojo-Castro
- Department of Biological Sciences, California State University, Sacramento, Sacramento, California, USA
| | - Alan Alex
- Department of Biological Sciences, California State University, Sacramento, Sacramento, California, USA
| | - Heather Stewart
- Stem Cell Program, Department of Internal Medicine, University of California, Davis, Davis, California, USA
| | - Marianne Chigbrow
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Mohan R Dasu
- Department of Dermatology, University of California, Davis, Sacramento, California, USA
| | - Thomas R Peavy
- Department of Biological Sciences, California State University, Sacramento, Sacramento, California, USA
| | - Athena M Soulika
- Department of Dermatology, University of California, Davis, Sacramento, California, USA.,Institute for Pediatric Regenerative Medicine, Shriners Hospital for Children Northern California, Sacramento, California, USA
| | - Jan A Nolta
- Stem Cell Program, Department of Internal Medicine, University of California, Davis, Davis, California, USA
| | - R Rivkah Isseroff
- Department of Dermatology, University of California, Davis, Sacramento, California, USA.,Dermatology Section, VA Northern California Health Care System, Mather, California, USA
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30
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Yang P, Li C, Lee M, Marzvanyan A, Zhao Z, Ting K, Soo C, Zheng Z. Photopolymerizable Hydrogel-Encapsulated Fibromodulin-Reprogrammed Cells for Muscle Regeneration. Tissue Eng Part A 2020; 26:1112-1122. [PMID: 32323608 DOI: 10.1089/ten.tea.2020.0026] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
A central challenge in tissue engineering is obtaining a suitable cell type with a capable delivery vehicle to replace or repair damaged or diseased tissues with tissue mimics. Notably, for skeletal muscle tissue engineering, given the inadequate availability and regenerative capability of endogenous myogenic progenitor cells as well as the tumorigenic risks presented by the currently available pluri- and multipotent stem cells, seeking a safe regenerative cell source is urgently demanded. To conquer this problem, we previously established a novel reprogramming technology that can generate multipotent cells from dermal fibroblasts using a single protein, fibromodulin (FMOD). The yield FMOD-reprogrammed (FReP) cells exhibit exceeding myogenic capability without tumorigenic risk, making them a promising and safe cell source for skeletal muscle establishment. In addition to using the optimal cell for implantation, it is equally essential to maintain cellular localization and retention in the recipient tissue environment for critical-sized muscle tissue establishment. In this study, we demonstrate that the photopolymerizable methacrylated glycol chitosan (MeGC)/type I collagen (ColI)-hydrogel provides a desirable microenvironment for encapsulated FReP cell survival, spreading, extension, and formation of myotubes in the hydrogel three-dimensionally in vitro, without undesired osteogenic, chondrogenic, or tenogenic differentiation. Furthermore, gene profiling revealed a paired box 7 (PAX7) → myogenic factor 5 (MYF5) → myogenic determination 1 (MYOD1) → myogenin (MYOG) → myosin cassette elevation in the encapsulated FReP cells during myogenic differentiation, which is similar to that of the predominant driver of endogenous skeletal muscle regeneration, satellite cells. These findings constitute the evidence that the FReP cell-MeGC/ColI-hydrogel construct is a promising tissue engineering mimic for skeletal muscle generation in vitro, and thus possesses the extraordinary potential for further in vivo validation.
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Affiliation(s)
- Pu Yang
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Division of Growth and Development, Section of Orthodontics, School of Dentistry, Dental and Craniofacial Research Institute, University of California, Los Angeles, Los Angeles, California, USA
| | - Chenshuang Li
- Division of Growth and Development, Section of Orthodontics, School of Dentistry, Dental and Craniofacial Research Institute, University of California, Los Angeles, Los Angeles, California, USA.,Department of Orthodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Min Lee
- Division of Advanced Prosthodontics, School of Dentistry, University of California, Los Angeles, California, USA
| | - Anna Marzvanyan
- A. T. Still University School of Osteopathic Medicine in Arizona, Mesa, Arizona, USA
| | - Zhihe Zhao
- State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Kang Ting
- Division of Growth and Development, Section of Orthodontics, School of Dentistry, Dental and Craniofacial Research Institute, University of California, Los Angeles, Los Angeles, California, USA
| | - Chia Soo
- UCLA Division of Plastic Surgery, Department of Orthopaedic Surgery, The Orthopaedic Hospital Research Center, University of California, Los Angeles, Los Angeles, California, USA
| | - Zhong Zheng
- Division of Growth and Development, Section of Orthodontics, School of Dentistry, Dental and Craniofacial Research Institute, University of California, Los Angeles, Los Angeles, California, USA
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31
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Chang QY, Zhang SW, Li PP, Yuan ZW, Tan JC. Safety of menstrual blood-derived stromal cell transplantation in treatment of intrauterine adhesion. World J Stem Cells 2020; 12:368-380. [PMID: 32547685 PMCID: PMC7280865 DOI: 10.4252/wjsc.v12.i5.368] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 04/03/2020] [Accepted: 04/23/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Intrauterine adhesion (IUA) can cause serious damage to women's reproductive health, yet current treatment methods are difficult to achieve satisfactory results. In our previous studies, we demonstrated that menstrual-derived stromal stem cells (MenSCs), with high proliferative capacity and self-renewal ability, have a powerful therapeutic effect in patients with severe IUA. However, safety assessment of MenSCs transplantation is essential for its further application.
AIM To evaluate the short-, medium-, and long-term biosafety of MenSCs via intrauterine transplantation in a rat model of IUA, with a focus on toxicity and tumorigenicity.
METHODS MenSCs were injected into the sub-serosal layer of the uterus in an IUA rat model, for 3 d, 3 mo, and 6 mo separately, to monitor the corresponding acute, sub-chronic, and chronic effects. Healthy rats of the same age served as negative controls. Toxicity effects were evaluated by body weight, organ weight, histopathology, hematology, and biochemistry tests. Tumorigenicity of MenSCs was investigated in Balb/c-nu mice in vivo and by colony formation assays in vitro.
RESULTS Compared with the same week-old control group, all of the IUA rats receiving MenSC transplantation demonstrated no obvious changes in body weight, main organ weight, or blood cell composition during the acute, sub-chronic, and chronic observation periods. At the same time, serum biochemical tests showed no adverse effects on metabolism or liver and kidney function. After 4 wk of subcutaneous injection of MenSCs in Balb/c-nu nude mice, no tumor formation or cell metastasis was observed. Moreover, there was no tumor colony formation of MenSCs during soft agar culture in vitro.
CONCLUSION There is no acute, sub-chronic, or chronic poisoning, infection, tumorigenesis, or endometriosis in rats with IUA after MenSC transplantation. The above results suggest that intrauterine transplantation of MenSCs is safe for endometrial treatment.
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Affiliation(s)
- Qi-Yuan Chang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110022, Liaoning Province, China
- Key Laboratory of Reproductive Dysfunction Diseases and Fertility Remodeling of Liaoning Province, Shenyang 110004, Liaoning Province, China
| | - Si-Wen Zhang
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110022, Liaoning Province, China
- Key Laboratory of Reproductive Dysfunction Diseases and Fertility Remodeling of Liaoning Province, Shenyang 110004, Liaoning Province, China
| | - Ping-Ping Li
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110022, Liaoning Province, China
- Key Laboratory of Reproductive Dysfunction Diseases and Fertility Remodeling of Liaoning Province, Shenyang 110004, Liaoning Province, China
| | - Zheng-Wei Yuan
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital of China Medical University, Benxi 117004, Liaoning Province, China
| | - Ji-Chun Tan
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang 110022, Liaoning Province, China
- Key Laboratory of Reproductive Dysfunction Diseases and Fertility Remodeling of Liaoning Province, Shenyang 110004, Liaoning Province, China
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Carrillo‐Gálvez AB, Gálvez‐Peisl S, González‐Correa JE, de Haro‐Carrillo M, Ayllón V, Carmona‐Sáez P, Ramos‐Mejía V, Galindo‐Moreno P, Cara FE, Granados‐Principal S, Muñoz P, Martin F, Anderson P. GARP is a key molecule for mesenchymal stromal cell responses to TGF-β and fundamental to control mitochondrial ROS levels. Stem Cells Transl Med 2020; 9:636-650. [PMID: 32073751 PMCID: PMC7180295 DOI: 10.1002/sctm.19-0372] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 01/23/2020] [Indexed: 12/15/2022] Open
Abstract
Multipotent mesenchymal stromal cells (MSCs) have emerged as a promising cell therapy in regenerative medicine and for autoimmune/inflammatory diseases. However, a main hurdle for MSCs-based therapies is the loss of their proliferative potential in vitro. Here we report that glycoprotein A repetitions predominant (GARP) is required for the proliferation and survival of adipose-derived MSCs (ASCs) via its regulation of transforming growth factor-β (TGF-β) activation. Silencing of GARP in human ASCs increased their activation of TGF-β which augmented the levels of mitochondrial reactive oxygen species (mtROS), resulting in DNA damage, a block in proliferation and apoptosis. Inhibition of TGF-β signaling reduced the levels of mtROS and DNA damage and restored the ability of GARP-/low ASCs to proliferate. In contrast, overexpression of GARP in ASCs increased their proliferative capacity and rendered them more resistant to etoposide-induced DNA damage and apoptosis, in a TGF-β-dependent manner. In summary, our data show that the presence or absence of GARP on ASCs gives rise to distinct TGF-β responses with diametrically opposing effects on ASC proliferation and survival.
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Affiliation(s)
- Ana Belén Carrillo‐Gálvez
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Sheyla Gálvez‐Peisl
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Juan Elías González‐Correa
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Marina de Haro‐Carrillo
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Verónica Ayllón
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Pedro Carmona‐Sáez
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Verónica Ramos‐Mejía
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Pablo Galindo‐Moreno
- Department of Oral Surgery and Implant DentistrySchool of Dentistry, University of GranadaGranadaSpain
| | - Francisca E. Cara
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
- UGC de Oncología Médica, Hospital Universitario de JaénJaénSpain
| | - Sergio Granados‐Principal
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
- UGC de Oncología Médica, Hospital Universitario de JaénJaénSpain
| | - Pilar Muñoz
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Francisco Martin
- Centre for Genomics and Oncological Research (GENYO), Pfizer/University of Granada/Andalucian Regional GovernmentGranadaSpain
| | - Per Anderson
- Servicio de Análisis Clínicos e Inmunología, UGC Laboratorio ClínicoHospital Universitario Virgen de las NievesGranadaSpain
- Biosanitary Institute of Granada (ibs.Granada), University of GranadaSpain
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Cheng Y, Lin K, Young T, Cheng N. The influence of fibroblast growth factor 2 on the senescence of human adipose-derived mesenchymal stem cells during long-term culture. Stem Cells Transl Med 2020; 9:518-530. [PMID: 31840944 PMCID: PMC7103622 DOI: 10.1002/sctm.19-0234] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 11/25/2019] [Indexed: 12/22/2022] Open
Abstract
Adipose-derived mesenchymal stem cells (ASCs) exhibit great potential in regenerative medicine, and in vitro expansion is frequently necessary to obtain a sufficient number of ASCs for clinical use. Fibroblast growth factor 2 (FGF2) is a common supplement in the ASC culture medium to enhance cell proliferation. To achieve clinical applicability of ASC-based products, prolonged culture of ASCs is sometimes required to obtain sufficient quantity of ASCs. However, the effect of FGF2 on ASCs during prolonged culture has not been previously determined. In this study, ASCs were subjected to prolonged in vitro culture with or without FGF2. FGF2 maintained the small cell morphology and expedited proliferation kinetics in early ASC passages. After prolonged in vitro expansion, FGF2-treated ASCs exhibited increased cell size, arrested cell proliferation, and increased cellular senescence relative to the control ASCs. We observed an upregulation of FGFR1c and enhanced expression of downstream STAT3 in the initial passages of FGF2-treated ASCs. The application of an FGFR1 or STAT3 inhibitor effectively blocked the enhanced proliferation of ASCs induced by FGF2 treatment. FGFR1c upregulation and enhanced STAT3 expression were lost in the later passages of FGF2-treated ASCs, suggesting that the continuous stimulation of FGF2 becomes ineffective because of the refractory downstream FGFR1 and the STAT3 signaling pathway. In addition, no evidence of tumorigenicity was noted in vitro and in vivo after prolonged expansion of FGF2-cultured ASCs. Our data indicate that ASCs have evolved a STAT3-dependent response to continuous FGF2 stimulation which promotes the initial expansion but limits their long-term proliferation.
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Affiliation(s)
- Yin Cheng
- Department of SurgeryNational Taiwan University Hospital and College of MedicineTaipeiTaiwan
| | - Kai‐Hsuan Lin
- Department of SurgeryNational Taiwan University Hospital and College of MedicineTaipeiTaiwan
| | - Tai‐Horng Young
- Department of Biomedical Engineering, College of Medicine and College of EngineeringNational Taiwan UniversityTaipeiTaiwan
| | - Nai‐Chen Cheng
- Department of SurgeryNational Taiwan University Hospital and College of MedicineTaipeiTaiwan
- Research Center for Developmental Biology and Regenerative MedicineNational Taiwan UniversityTaipeiTaiwan
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Matsushita K. Heart Failure and Adipose Mesenchymal Stem Cells. Trends Mol Med 2020; 26:369-379. [PMID: 32277931 DOI: 10.1016/j.molmed.2020.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/03/2019] [Accepted: 01/21/2020] [Indexed: 02/08/2023]
Abstract
Mesenchymal stem cells (MSCs) are considered a promising cell type for the treatment of heart failure (HF). In particular, MSCs in adipose tissue are being evaluated as an effective therapeutic tool. However, adipose MSCs are a major source of adipocyte generation and linked to obesity, which is an independent risk factor for HF. MSCs express all of the components of the renin-angiotensin system (RAS), which plays a pivotal role in the pathophysiology of HF. The local RAS also regulates MSC adipogenesis, indicating a connection between MSC-adipogenesis-obesity and HF. This review examines evidence of the complex relationship between HF and adipose MSCs and discusses how to explore this association for favorable therapeutic outcomes for HF.
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Affiliation(s)
- Kenichi Matsushita
- Division of Cardiology, Second Department of Internal Medicine, Kyorin University School of Medicine, Tokyo, Japan.
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Ahmadzadeh N, Robering JW, Kengelbach-Weigand A, Al-Abboodi M, Beier JP, Horch RE, Boos AM. Human adipose-derived stem cells support lymphangiogenesis in vitro by secretion of lymphangiogenic factors. Exp Cell Res 2020; 388:111816. [PMID: 31923426 DOI: 10.1016/j.yexcr.2020.111816] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/22/2019] [Accepted: 01/03/2020] [Indexed: 02/07/2023]
Abstract
Lymphedema is a chronic progressive disease ultimately resulting in severe, disfiguring swelling and permanent changes of the affected tissues. Presently, there is no causal treatment approach of lymphedema. Therefore, most therapies are purely symptomatic. However, the recent use of stem cell-based therapies has offered new prospects for alternative treatment options. The present study was performed to investigate the effects of human adipose-derived stem cells (ADSCs) on human dermal lymphatic endothelial cells (HDLECs) in terms of basic in vitro lymphangiogenic assays (WST-8 assay, scratch assay, transmigration assay, sprouting assay, tube formation assay). The influence of ADSC-conditioned medium (ADSC-CM) on HDLECs was compared to recombinant VEGF-C, bFGF and HGF. Further ADSC-CM was characterized by protein microarray and enzyme-linked immunosorbent assay (ELISA). Although key-lymphangiogenic growth factors - like VEGF-C - could only be detected in low concentrations within the conditioned medium (CM), HDLECs were potently stimulated to proliferate, migrate and to form tube like structures by ADSC-CM. Despite concentrations more than hundredfold higher than those found in the conditioned medium, stimulation with recombinant VEGF-C, bFGF and HGF was still weaker compared to ADSC-CM. These results highlight the effectiveness of growth factors secreted by ADSC to stimulate HDLEC, potentially providing a promising new therapeutic approach for the treatment of lymphedema.
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Affiliation(s)
- Nima Ahmadzadeh
- Department of Plastic and Hand Surgery, Laboratory for Tissue Engineering and Regenerative Medicine, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Germany
| | - Jan W Robering
- Department of Plastic and Hand Surgery, Laboratory for Tissue Engineering and Regenerative Medicine, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Germany; Department of Plastic Surgery, Hand Surgery, Burns Center, University Hospital RWTH Aachen University, University Hospital Aachen, Germany
| | - Annika Kengelbach-Weigand
- Department of Plastic and Hand Surgery, Laboratory for Tissue Engineering and Regenerative Medicine, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Germany
| | - Majida Al-Abboodi
- Department of Plastic and Hand Surgery, Laboratory for Tissue Engineering and Regenerative Medicine, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Germany; Institute of Genetic Engineering and Biotechnology, University of Baghdad, Iraq
| | - Justus P Beier
- Department of Plastic and Hand Surgery, Laboratory for Tissue Engineering and Regenerative Medicine, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Germany; Department of Plastic Surgery, Hand Surgery, Burns Center, University Hospital RWTH Aachen University, University Hospital Aachen, Germany
| | - Raymund E Horch
- Department of Plastic and Hand Surgery, Laboratory for Tissue Engineering and Regenerative Medicine, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Germany
| | - Anja M Boos
- Department of Plastic and Hand Surgery, Laboratory for Tissue Engineering and Regenerative Medicine, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), University Hospital Erlangen, Germany; Department of Plastic Surgery, Hand Surgery, Burns Center, University Hospital RWTH Aachen University, University Hospital Aachen, Germany.
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Silverman LI, Dulatova G, Tandeski T, Erickson IE, Lundell B, Toplon D, Wolff T, Howard A, Chintalacharuvu S, Foley KT. In vitro and in vivo evaluation of discogenic cells, an investigational cell therapy for disc degeneration. Spine J 2020; 20:138-149. [PMID: 31442616 DOI: 10.1016/j.spinee.2019.08.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 08/13/2019] [Accepted: 08/14/2019] [Indexed: 02/03/2023]
Abstract
BACKGROUND/CONTEXT Disc degeneration (DD) is a significant driver of low back pain and few treatments exist to treat the pain and disability associated with the disease. PURPOSE Our group has developed a method to generate therapeutic discogenic cells as a potential treatment for symptomatic DD. These cells are derived and modified from adult nucleus pulposus cells. In this study, we evaluated the characteristics, mode of action, and in vivo efficacy and safety of these cells prior to human clinical testing. STUDY DESIGN Privately funded in vitro studies and in vivo preclinical models were used in this study. METHODS Discogenic cells generated from different adult human donors were evaluated for surface marker expression profile, matrix deposition and tumorigenic potential. Discogenic cells were then injected subcutaneously into nude mice to assess cell survival and possible extracellular matrix production in vivo. Finally, a rabbit model of DD was used to evaluate the therapeutic potential of discogenic cells after disc injury. RESULTS We found that discogenic cells have a consistent surface marker profile, are multipotent for mesenchymal lineages, and produce extracellular matrix consisting of aggrecan, collagen 1 and collagen 2. Cells did not show abnormal karyotype after culturing and did not form tumor-like aggregates in soft agar. After subcutaneous implantation in a nude mouse model, the human discogenic cells were found to have generated regions rich with extracellular matrix over the course of 4 months, with no signs of tumorigenicity. Intradiscal injection of human discogenic cells in a rabbit model of DD caused an increase in disc height and improvement of tissue architecture relative to control discs or injection of vehicle alone (no cells) with no signs of toxicity. CONCLUSIONS This study demonstrates that intradiscal injection of discogenic cells may be a viable treatment for human degenerative disc disease. The cells produce extracellular matrix that may rebuild the depleting tissue within degenerating discs. Also, the cells do not pose any significant safety concerns. CLINICAL SIGNIFICANCE Human clinical testing of discogenic cells combined with a sodium hyaluronate carrier is ongoing in multiple randomized, controlled, double-blinded studies in the United States (clinicaltrials.gov identifier NCT03347708) and Japan (clinicaltrials.gov identifier NCT03955315).
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Affiliation(s)
- Lara Ionescu Silverman
- DiscGenics, Inc, 5940 W Harold Gatty Dr, Salt Lake City, UT 84116, USA; Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, TN, USA.
| | - Galina Dulatova
- DiscGenics, Inc, 5940 W Harold Gatty Dr, Salt Lake City, UT 84116, USA
| | - Terry Tandeski
- DiscGenics, Inc, 5940 W Harold Gatty Dr, Salt Lake City, UT 84116, USA
| | - Isaac E Erickson
- DiscGenics, Inc, 5940 W Harold Gatty Dr, Salt Lake City, UT 84116, USA
| | | | - David Toplon
- WuXi AppTec, 2540 Executive Drive, St. Paul, MN 55120, USA
| | - Tricia Wolff
- Covance Laboratories, 671 S. Meridian Rd, Greenfield, IN, USA
| | - Antwain Howard
- Covance Laboratories, 671 S. Meridian Rd, Greenfield, IN, USA
| | | | - Kevin T Foley
- DiscGenics, Inc, 5940 W Harold Gatty Dr, Salt Lake City, UT 84116, USA; Department of Neurosurgery, University of Tennessee Health Science Center, Memphis, TN, USA; Semmes-Murphey Clinic, 6325 Humphreys Blvd, Memphis, TN, USA
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Brandhorst H, Brandhorst D, Abraham A, Acreman S, Schive SW, Scholz H, Johnson PR. Proteomic Profiling Reveals the Ambivalent Character of the Mesenchymal Stem Cell Secretome: Assessing the Effect of Preconditioned Media on Isolated Human Islets. Cell Transplant 2020; 29:963689720952332. [PMID: 33150790 PMCID: PMC7784517 DOI: 10.1177/0963689720952332] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 07/23/2020] [Accepted: 08/03/2020] [Indexed: 12/23/2022] Open
Abstract
Previous studies in rodents have indicated that function and survival of transplanted islets can be substantially improved by mesenchymal stem cells (MSC). The few human islet studies to date have confirmed these findings but have not determined whether physical contact between MSC and islets is required or whether the benefit to islets results from MSC-secreted proteins. This study aimed to investigate the protective capacity of MSC-preconditioned media for human islets. MSC were cultured for 2 or 5 days in normoxia or hypoxia before harvesting the cell-depleted media for human islet culture in normoxia or hypoxia for 6-8 or 3-4 days, respectively. To characterize MSC-preconditioned media, proteomic secretome profiling was performed to identify angiogenesis- and inflammation-related proteins. A protective effect of MSC-preconditioned media on survival and in vitro function of hypoxic human islets was observed irrespective of the atmosphere used for MSC preconditioning. Islet morphology changed markedly when media from hypoxic MSC were used for culture. However, PDX-1 and insulin gene expression did not confirm a change in the genetic phenotype of these islets. Proteomic profiling of preconditioned media revealed the heterogenicity of the secretome comprising angiogenic and antiapoptotic as well as angiostatic or proinflammatory mediators released at an identical pattern regardless whether MSC had been cultured in normoxic or hypoxic atmosphere. These findings do not allow a clear discrimination between normoxia and hypoxia as stimulus for protective MSC capabilities but indicate an ambivalent character of the MSC angiogenesis- and inflammation-related secretome. Nevertheless, culture of human islets in acellular MSC-preconditioned media resulted in improved morphological and functional islet integrity suggesting a disbalance in favor of protective factors. Further approaches should aim to eliminate potentially detrimental factors to enable the production of advanced clinical grade islet culture media with higher protective qualities.
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Affiliation(s)
- Heide Brandhorst
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Daniel Brandhorst
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Anju Abraham
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Samuel Acreman
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
| | - Simen W. Schive
- Department of Transplantation Medicine and Institute for Surgical Research, Oslo University Hospital, Oslo, Norway
| | - Hanne Scholz
- Department of Transplantation Medicine and Institute for Surgical Research, Oslo University Hospital, Oslo, Norway
- Hybrid Technology Hub, Centre of Excellence, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Paul R.V. Johnson
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
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38
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Asopa V, Atkinson H. Complications in knee surgery. ORTHOPAEDICS AND TRAUMA 2019; 33:372-377. [DOI: 10.1016/j.mporth.2019.10.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Cao W, Liu J, Wang L, Li M, Verstegen MMA, Yin Y, Ma B, Chen K, Bolkestein M, Sprengers D, van der Laan LJW, Doukas M, Kwekkeboom J, Smits R, Peppelenbosch MP, Pan Q. Modeling liver cancer and therapy responsiveness using organoids derived from primary mouse liver tumors. Carcinogenesis 2019; 40:145-154. [PMID: 30289434 DOI: 10.1093/carcin/bgy129] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Revised: 08/28/2018] [Accepted: 10/04/2018] [Indexed: 01/15/2023] Open
Abstract
The current understanding of cancer biology and development of effective treatments for cancer remain far from satisfactory. This in turn heavily relies on the availability of easy and robust model systems that resemble the architecture/physiology of the tumors in patients to facilitate research. Cancer research in vitro has mainly been based on the use of immortalized 2D cancer cell lines that deviate in many aspects from the original primary tumors. The recent development of the organoid technology allowing generation of organ-buds in 3D culture from adult stem cells has endowed the possibility of establishing stable culture from primary tumors. Although culturing organoids from liver tumors is thought to be difficult, we now convincingly demonstrate the establishment of organoids from mouse primary liver tumors. We have succeeded in culturing 91 lines from 129 liver tissue/tumors. These organoids can be grown in long-term cultures in vitro. About 20% of these organoids form tumors in immunodeficient mice upon (serial) transplantation, confirming their tumorigenic and self-renewal properties. Interestingly, single cells from the tumor organoids have high efficiency of organoid initiation, and a single organoid derived from a cancer cell is able to initiate a tumor in mice, indicating the enrichment of tumor-initiating cells in the tumor organoids. Furthermore, these organoids recapitulate, to some extent, the heterogeneity of liver cancer in patients, with respect to phenotype, cancer cell composition and treatment response. These model systems shall provide enormous opportunities to advance our research on liver cancer (stem cell) biology, drug development and personalized medicine.
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Affiliation(s)
- Wanlu Cao
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | - Jiaye Liu
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | - Ling Wang
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | - Meng Li
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | - Monique M A Verstegen
- Department of Surgery, Erasmus MC-University Medical Center, Rotterdam, The Netherlands
| | - Yuebang Yin
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | - Buyun Ma
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | - Kan Chen
- College of Life Sciences, Zhejiang Sci-Tech University, Hangzhou, China
| | - Michiel Bolkestein
- Department of Surgery, Erasmus MC-University Medical Center, Rotterdam, The Netherlands.,Department of Cell Biology, Rotterdam, The Netherlands
| | - Dave Sprengers
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | - Luc J W van der Laan
- Department of Surgery, Erasmus MC-University Medical Center, Rotterdam, The Netherlands
| | - Michael Doukas
- Department of Pathology, Erasmus MC-University Medical Center, Rotterdam, The Netherlands
| | - Jaap Kwekkeboom
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | - Ron Smits
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
| | | | - Qiuwei Pan
- Department of Gastroenterology and Hepatology, Rotterdam, The Netherlands
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Haenel A, Ghosn M, Karimi T, Vykoukal J, Shah D, Valderrabano M, Schulz DG, Raizner A, Schmitz C, Alt EU. Unmodified autologous stem cells at point of care for chronic myocardial infarction. World J Stem Cells 2019; 11:831-858. [PMID: 31692971 PMCID: PMC6828597 DOI: 10.4252/wjsc.v11.i10.831] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 06/03/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Numerous studies investigated cell-based therapies for myocardial infarction (MI). The conflicting results of these studies have established the need for developing innovative approaches for applying cell-based therapy for MI. Experimental studies on animal models demonstrated the potential of fresh, uncultured, unmodified, autologous adipose-derived regenerative cells (UA-ADRCs) for treating acute MI. In contrast, studies on the treatment of chronic MI (CMI; > 4 wk post-MI) with UA-ADRCs have not been published so far. Among several methods for delivering cells to the myocardium, retrograde delivery into a temporarily blocked coronary vein has recently been demonstrated as an effective option.
AIM To test the hypothesis that in experimentally-induced chronic myocardial infarction (CMI; > 4 wk post-MI) in pigs, retrograde delivery of fresh, uncultured, unmodified, autologous adipose-derived regenerative cells (UA-ADRCs) into a temporarily blocked coronary vein improves cardiac function and structure.
METHODS The left anterior descending (LAD) coronary artery of pigs was blocked for 180 min at time point T0. Then, either 18 × 106 UA-ADRCs prepared at “point of care” or saline as control were retrogradely delivered via an over-the-wire balloon catheter placed in the temporarily blocked LAD vein 4 wk after T0 (T1). Effects of cells or saline were assessed by cardiac magnetic resonance (CMR) imaging, late gadolinium enhancement CMR imaging, and post mortem histologic analysis 10 wk after T0 (T2).
RESULTS Unlike the delivery of saline, delivery of UA-ADRCs demonstrated statistically significant improvements in cardiac function and structure at T2 compared to T1 (all values given as mean ± SE): Increased mean LVEF (UA-ADRCs group: 34.3% ± 2.9% at T1 vs 40.4 ± 2.6% at T2, P = 0.037; saline group: 37.8% ± 2.6% at T1 vs 36.2% ± 2.4% at T2, P > 0.999), increased mean cardiac output (UA-ADRCs group: 2.7 ± 0.2 L/min at T1 vs 3.8 ± 0.2 L/min at T2, P = 0.002; saline group: 3.4 ± 0.3 L/min at T1 vs 3.6 ± 0.3 L/min at T2, P = 0.798), increased mean mass of the left ventricle (UA-ADRCs group: 55.3 ± 5.0 g at T1 vs 71.3 ± 4.5 g at T2, P < 0.001; saline group: 63.2 ± 3.4 g at T1 vs 68.4 ± 4.0 g at T2, P = 0.321) and reduced mean relative amount of scar volume of the left ventricular wall (UA-ADRCs group: 20.9% ± 2.3% at T1 vs 16.6% ± 1.2% at T2, P = 0.042; saline group: 17.6% ± 1.4% at T1 vs 22.7% ± 1.8% at T2, P = 0.022).
CONCLUSION Retrograde cell delivery of UA-ADRCs in a porcine model for the study of CMI significantly improved myocardial function, increased myocardial mass and reduced the formation of scar tissue.
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Affiliation(s)
- Alexander Haenel
- Heart and Vascular Institute, Department of Medicine, Tulane University Health Science Center, New Orleans, LA 70112, United States
- The Methodist Hospital Research Institute, Houston, TX 77030, United States
- Department of Radiology and Nuclear Medicine, University Hospital Schleswig-Holstein, Lübeck D-23562, Germany
| | - Mohamad Ghosn
- Houston Methodist DeBakey Heart and Vascular Center, Houston, TX 77030, United States
| | - Tahereh Karimi
- Heart and Vascular Institute, Department of Medicine, Tulane University Health Science Center, New Orleans, LA 70112, United States
| | - Jody Vykoukal
- Department of Translational Molecular Pathology, MD Anderson Cancer Center, The University of Texas, Houston, TX 77030, United States
| | - Dipan Shah
- Houston Methodist DeBakey Heart and Vascular Center, Houston, TX 77030, United States
| | - Miguel Valderrabano
- Houston Methodist DeBakey Heart and Vascular Center, Houston, TX 77030, United States
| | - Daryl G Schulz
- The Methodist Hospital Research Institute, Houston, TX 77030, United States
| | - Albert Raizner
- Houston Methodist DeBakey Heart and Vascular Center, Houston, TX 77030, United States
| | - Christoph Schmitz
- Institute of Anatomy, Faculty of Medicine, LMU Munich, Munich D-80336, Germany
| | - Eckhard U Alt
- Heart and Vascular Institute, Department of Medicine, Tulane University Health Science Center, New Orleans, LA 70112, United States
- The Methodist Hospital Research Institute, Houston, TX 77030, United States
- Isar Klinikum Munich, Munich D-80331, Germany
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Guadix JA, López-Beas J, Clares B, Soriano-Ruiz JL, Zugaza JL, Gálvez-Martín P. Principal Criteria for Evaluating the Quality, Safety and Efficacy of hMSC-Based Products in Clinical Practice: Current Approaches and Challenges. Pharmaceutics 2019; 11:pharmaceutics11110552. [PMID: 31652984 PMCID: PMC6921040 DOI: 10.3390/pharmaceutics11110552] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/21/2019] [Accepted: 10/23/2019] [Indexed: 12/20/2022] Open
Abstract
Human Mesenchymal Stem Cells (hMSCs) play an important role as new therapeutic alternatives in advanced therapies and regenerative medicine thanks to their regenerative and immunomodulatory properties, and ability to migrate to the exact area of injury. These properties have made hMSCs one of the more promising cellular active substances at present, particularly in terms of the development of new and innovative hMSC-based products. Currently, numerous clinical trials are being conducted to evaluate the therapeutic activity of hMSC-based products on specific targets. Given the rapidly growing number of hMSC clinical trials in recent years and the complexity of these products due to their cellular component characteristics and medicinal product status, there is a greater need to define more stringent, specific, and harmonized requirements to characterize the quality of the hMSCs and enhance the analysis of their safety and efficacy in final products to be administered to patients. These requirements should be implemented throughout the manufacturing process to guarantee the function and integrity of hMSCs and to ensure that the hMSC-based final product consistently meets its specifications across batches. This paper describes the principal phases involved in the design of the manufacturing process and updates the specific technical requirements needed to address the appropriate clinical use of hMSC-based products. The challenges and limitations to evaluating the safety, efficacy, and quality of hMSCs have been also reviewed and discussed.
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Affiliation(s)
- Juan Antonio Guadix
- Department of Animal Biology, Faculty of Sciences, University of Málaga, Instituto Malagueño de Biomedicina (IBIMA), Campus de Teatinos s/n, Málaga E-29071, Spain.
- BIONAND, Centro Andaluz de Nanomedicina y Biotecnología (Junta de Andalucía, Universidad de Málaga), c/ Severo Ochoa nº25, Campanillas, Málaga E-29590, Spain.
| | - Javier López-Beas
- Andalusian Center for Molecular Biology and Regenerative Medicine (CABIMER), University of Pablo de Olavide-University of Seville-CSIC, Seville 41092, Spain.
| | - Beatriz Clares
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Granada E-18071, Spain.
| | - José Luis Soriano-Ruiz
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Granada E-18071, Spain.
| | - José Luis Zugaza
- Department of Genetics, Physical Anthropology and Animal Physiology, University of the Basque Country, Leioa E-48940, Spain.
- Achucarro Basque Center for Neuroscience, Bizkaia Science and Technology Park, building 205, Zamudio E-48170, Spain.
- IKERBASQUE, Basque Foundation for Science, María Díaz de Haro 3, Bilbao E-48013, Spain.
| | - Patricia Gálvez-Martín
- Department of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of Granada, Granada E-18071, Spain.
- R&D Human Health, Bioibérica S.A.U., Barcelona E-08029, Spain.
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42
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Winnier GE, Valenzuela N, Peters-Hall J, Kellner J, Alt C, Alt EU. Isolation of adipose tissue derived regenerative cells from human subcutaneous tissue with or without the use of an enzymatic reagent. PLoS One 2019; 14:e0221457. [PMID: 31479463 PMCID: PMC6719836 DOI: 10.1371/journal.pone.0221457] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 08/07/2019] [Indexed: 12/15/2022] Open
Abstract
Freshly isolated, uncultured, autologous adipose derived regenerative cells (ADRCs) have emerged as a promising tool for regenerative cell therapy. The Transpose RT system (InGeneron, Inc., Houston, TX, USA) is a system for isolating ADRCs from adipose tissue, commercially available in Europe as a CE-marked medical device and under clinical evaluation in the United States. This system makes use of the proprietary, enzymatic Matrase Reagent for isolating cells. The present study addressed the question whether the use of Matrase Reagent influences cell yield, cell viability, live cell yield, biological characteristics, physiological functions or structural properties of the ADRCs in final cell suspension. Identical samples of subcutaneous adipose tissue from 12 subjects undergoing elective lipoplasty were processed either with or without the use of Matrase Reagent. Then, characteristics of the ADRCs in the respective final cell suspensions were evaluated. Compared to non-enzymatic isolation, enzymatic isolation resulted in approximately twelve times higher mean cell yield (i.e., numbers of viable cells/ml lipoaspirate) and approximately 16 times more colony forming units. Despite these differences, cells isolated from lipoaspirate both with and without the use of Matrase Reagent were independently able to differentiate into cells of all three germ layers. This indicates that biological characteristics, physiological functions or structural properties relevant for the intended use were not altered or induced using Matrase Reagent. A comprehensive literature review demonstrated that isolation of ADRCs from lipoaspirate using the Transpose RT system and the Matrase Reagent results in the highest viable cell yield among published data regarding isolation of ADRCs from lipoaspirate.
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Affiliation(s)
| | | | | | | | | | - Eckhard U. Alt
- InGeneron, Inc., Houston, TX, United States of America
- Heart and Vascular Institute, Department of Medicine, Tulane University Health Science Center, New Orleans, LA, United States of America
- Sanford Health, University of South Dakota, Sioux Falls, SD, United States of America
- Isar Klinikum Munich, Munich, Germany
- * E-mail: ,
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Caplan H, Olson SD, Kumar A, George M, Prabhakara KS, Wenzel P, Bedi S, Toledano-Furman NE, Triolo F, Kamhieh-Milz J, Moll G, Cox CS. Mesenchymal Stromal Cell Therapeutic Delivery: Translational Challenges to Clinical Application. Front Immunol 2019; 10:1645. [PMID: 31417542 PMCID: PMC6685059 DOI: 10.3389/fimmu.2019.01645] [Citation(s) in RCA: 178] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 07/02/2019] [Indexed: 12/12/2022] Open
Abstract
For several decades, multipotent mesenchymal stromal cells (MSCs) have been extensively studied for their therapeutic potential across a wide range of diseases. In the preclinical setting, MSCs demonstrate consistent ability to promote tissue healing, down-regulate excessive inflammation and improve outcomes in animal models. Several proposed mechanisms of action have been posited and demonstrated across an array of in vitro models. However, translation into clinical practice has proven considerably more difficult. A number of prominent well-funded late-phase clinical trials have failed, thus calling out for new efforts to optimize product delivery in the clinical setting. In this review, we discuss novel topics critical to the successful translation of MSCs from pre-clinical to clinical applications. In particular, we focus on the major routes of cell delivery, aspects related to hemocompatibility, and potential safety concerns associated with MSC therapy in the different settings.
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Affiliation(s)
- Henry Caplan
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Scott D. Olson
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Akshita Kumar
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Mitchell George
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Karthik S. Prabhakara
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Pamela Wenzel
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Supinder Bedi
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Naama E. Toledano-Furman
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Fabio Triolo
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
| | - Julian Kamhieh-Milz
- Department of Transfusion Medicine, Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Guido Moll
- BIH Center for Regenerative Therapies (BCRT), Charité Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health (BIH), Berlin, Germany
| | - Charles S. Cox
- Department of Pediatric Surgery, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX, United States
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Zheng Z, Li C, Ha P, Chang GX, Yang P, Zhang X, Kim JK, Jiang W, Pang X, Berthiaume EA, Mills Z, Haveles CS, Chen E, Ting K, Soo C. CDKN2B upregulation prevents teratoma formation in multipotent fibromodulin-reprogrammed cells. J Clin Invest 2019; 129:3236-3251. [PMID: 31305260 PMCID: PMC6668700 DOI: 10.1172/jci125015] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Accepted: 05/21/2019] [Indexed: 12/11/2022] Open
Abstract
Tumorigenicity is a well-documented risk to overcome for pluripotent or multipotent cell applications in regenerative medicine. To address the emerging demand for safe cell sources in tissue regeneration, we established a novel, protein-based reprogramming method that does not require genome integration or oncogene activation to yield multipotent fibromodulin (FMOD)-reprogrammed (FReP) cells from dermal fibroblasts. When compared with induced pluripotent stem cells (iPSCs), FReP cells exhibited a superior capability for bone and skeletal muscle regeneration with markedly less tumorigenic risk. Moreover, we showed that the decreased tumorigenicity of FReP cells was directly related to an upregulation of cyclin-dependent kinase inhibitor 2B (CDKN2B) expression during the FMOD reprogramming process. Indeed, sustained suppression of CDKN2B resulted in tumorigenic, pluripotent FReP cells that formed teratomas in vivo that were indistinguishable from iPSC-derived teratomas. These results highlight the pivotal role of CDKN2B in cell fate determination and tumorigenic regulation and reveal an alternative pluripotent/multipotent cell reprogramming strategy that solely uses FMOD protein.
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Affiliation(s)
- Zhong Zheng
- Division of Growth and Development, School of Dentistry, and
| | - Chenshuang Li
- Division of Growth and Development, School of Dentistry, and
| | - Pin Ha
- Division of Growth and Development, School of Dentistry, and
| | - Grace X. Chang
- David Geffen School of Medicine, UCLA, Los Angeles, California, USA
| | - Pu Yang
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Xinli Zhang
- Division of Growth and Development, School of Dentistry, and
| | - Jong Kil Kim
- Division of Growth and Development, School of Dentistry, and
| | - Wenlu Jiang
- Division of Growth and Development, School of Dentistry, and
- State Key Laboratory of Oral Diseases, Department of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, China
| | - Xiaoxiao Pang
- Division of Growth and Development, School of Dentistry, and
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatology Hospital of Chongqing Medical University, Chongqing, China
| | | | - Zane Mills
- Department of Ecology and Evolutionary Biology, and
| | | | - Eric Chen
- Division of Growth and Development, School of Dentistry, and
| | - Kang Ting
- Division of Growth and Development, School of Dentistry, and
- Division of Plastic and Reconstructive Surgery and Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, UCLA, Los Angeles, California, USA
| | - Chia Soo
- Division of Plastic and Reconstructive Surgery and Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, UCLA, Los Angeles, California, USA
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45
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Karaöz E, Tepeköy F. Differentiation Potential and Tumorigenic Risk of Rat Bone Marrow Stem Cells Are Affected By Long-Term In Vitro Expansion. Turk J Haematol 2019; 36:255-265. [PMID: 31284704 PMCID: PMC6863016 DOI: 10.4274/tjh.galenos.2019.2019.0100] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Objective: Mesenchymal stem cells (MSCs) have the capacity for extensive expansion and adipogenic, osteogenic, chondrogenic, myogenic, and neural differentiation in vitro. The aim of our study was to determine stemness, differentiation potential, telomerase activity, and ultrastructural characteristics of long-term cultured rat bone marrow (rBM)-MSCs. Materials and Methods: rBM-MSCs from passages 3, 50, and 100 (P3, P50, and P100) were evaluated through immunocytochemistry, reverse transcription-polymerase chain reaction, telomerase activity assays, and electron microscopy. Results: A dramatic reduction in the levels of myogenic markers actin and myogenin was detected in P100. Osteogenic markers Coll1, osteonectin (Sparc), and osteocalcin as well as neural marker c-Fos and chondrogenic marker Coll2 were significantly reduced in P100 compared to P3 and P50. Osteogenic marker bone morphogenic protein-2 (BMP2) and adipogenic marker peroxisome proliferator-activated receptor gamma (Pparγ) expression was reduced in late passages. The expression of stemness factor Rex-1 was lower in P100, whereas Oct4 expression was decreased in P50 compared to P3 and P100. Increased telomerase activity was observed in long-term cultured cells, signifying tumorigenic risk. Electron microscopic evaluations revealed ultrastructural changes such as smaller number of organelles and increased amount of autophagic vacuoles in the cytoplasm in long-term cultured rBM-MSCs. Conclusion: This study suggests that long-term culture of rBM-MSCs leads to changes in differentiation potential and increased tumorigenic risk.
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Affiliation(s)
- Erdal Karaöz
- İstinye University Faculty of Medicine, Department of Histology and Embryology, İstanbul, Turkey,İstinye University Center for Stem Cell and Tissue Engineering Research and Practice, İstanbul, Turkey,Center for Regenerative Medicine and Stem Cell Research and Manufacturing (LivMedCell), İstanbul, Turkey
| | - Filiz Tepeköy
- İstinye University Faculty of Medicine, Department of Histology and Embryology, İstanbul, Turkey,Altınbaş University Faculty of Medicine, Department of Histology and Embryology, İstanbul, Turkey
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Tian C, Zhang X, Zhao G. Vitrification of stem cell-laden core-shell microfibers with unusually low concentrations of cryoprotective agents. Biomater Sci 2019; 7:889-900. [PMID: 30608077 DOI: 10.1039/c8bm01231h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Cell-laden alginate hydrogel microfibers are particularly useful for building and repairing complex tissues because they are long, thin, and flexible. Therefore, they have important application value in regenerative medicine and clinical treatments. Cryopreservation is indispensable in order to ensure their "off-the-shelf" ready availability. Ice-free vitrification is considered an ideal method to preserve stem cell constructs (from cells to the overall ultrastructure of hydrogel). However, the vitrification process for preserving cell constructs requires highly toxic and cell membrane permeable cryoprotective agents (pCPA) and even requires the assistance of complex physical field based space warming technology. Therefore, a simple and feasible method is urgently needed. In addition, there are no reports about microfiber vitrification, as reports are limited to microcapsules. In this study, a novel device with nylon mesh for vitreous cryopreservation of hydrogel microfibers is developed to achieve ultra-rapid heat transfer by effectively suppressing film boiling during cooling. This may provide a low-toxic and cost-effective method for vitrification of cell-laden hydrogel microfibers with ultra-low concentrations of pCPA, facilitating their application in regenerative medicine.
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Affiliation(s)
- Conghui Tian
- Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, Anhui 230027, China.
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47
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Neri S. Genetic Stability of Mesenchymal Stromal Cells for Regenerative Medicine Applications: A Fundamental Biosafety Aspect. Int J Mol Sci 2019; 20:ijms20102406. [PMID: 31096604 PMCID: PMC6566307 DOI: 10.3390/ijms20102406] [Citation(s) in RCA: 93] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 05/08/2019] [Accepted: 05/10/2019] [Indexed: 12/12/2022] Open
Abstract
Mesenchymal stem/stromal cells (MSC) show widespread application for a variety of clinical conditions; therefore, their use necessitates continuous monitoring of their safety. The risk assessment of mesenchymal stem cell-based therapies cannot be separated from an accurate and deep knowledge of their biological properties and in vitro and in vivo behavior. One of the most relevant safety issues is represented by the genetic stability of MSCs, that can be altered during in vitro manipulation, frequently required before clinical application. MSC genetic stability has the potential to influence the transformation and the therapeutic effect of these cells. At present, karyotype evaluation represents the definitely prevailing assessment of MSC stability, but DNA alterations of smaller size should not be underestimated. This review will focus on current scientific knowledge about the genetic stability of mesenchymal stem cells. The techniques used and possible improvements together with regulatory aspects will also be discussed.
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Affiliation(s)
- Simona Neri
- Laboratorio di Immunoreumatologia e Rigenerazione Tissutale, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy.
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48
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Solakoglu Ö, Götz W, Kiessling MC, Alt C, Schmitz C, Alt EU. Improved guided bone regeneration by combined application of unmodified, fresh autologous adipose derived regenerative cells and plasma rich in growth factors: A first-in-human case report and literature review. World J Stem Cells 2019; 11:124-146. [PMID: 30842809 PMCID: PMC6397807 DOI: 10.4252/wjsc.v11.i2.124] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/07/2018] [Accepted: 01/10/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Novel strategies are needed for improving guided bone regeneration (GBR) in oral surgery prior to implant placement, particularly in maxillary sinus augmentation (GBR-MSA) and in lateral alveolar ridge augmentation (LRA). This study tested the hypothesis that the combination of freshly isolated, unmodified autologous adipose-derived regenerative cells (UA-ADRCs), fraction 2 of plasma rich in growth factors (PRGF-2) and an osteoinductive scaffold (OIS) (UA-ADRC/PRGF-2/OIS) is superior to the combination of PRGF-2 and the same OIS alone (PRGF-2/OIS) in GBR-MSA/LRA. CASE SUMMARY A 79-year-old patient was treated with a bilateral external sinus lift procedure as well as a bilateral lateral alveolar ridge augmentation. GBR-MSA/LRA was performed with UA-ADRC/PRGF-2/OIS on the right side, and with PRGF-2/OIS on the left side. Biopsies were collected at 6 wk and 34 wk after GBR-MSA/LRA. At the latter time point implants were placed. Radiographs (32 mo follow-up time) demonstrated excellent bone healing. No radiological or histological signs of inflammation were observed. Detailed histologic, histomorphometric, and immunohistochemical analysis of the biopsies evidenced that UA-ADRC/PRGF-2/OIS resulted in better and faster bone regeneration than PRGF-2/OIS. CONCLUSION GBR-MSA with UA-ADRCs, PRGF-2, and an OIS shows effectiveness without adverse effects.
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Affiliation(s)
- Önder Solakoglu
- External Visiting Lecturer, Dental Department of the University Medical Center Hamburg-Eppendorf, Hamburg 20246, Germany
- Clinic for Periodontology and Implantology, Hamburg 22453, Germany.
| | - Werner Götz
- Department of Orthodontics, Center of Dento-Maxillo-Facial Medicine, University of Bonn, Bonn 53111, Germany
| | - Maren C Kiessling
- Institute of Anatomy, Faculty of Medicine, LMU Munich, Munich 80336, Germany
| | | | - Christoph Schmitz
- Institute of Anatomy, Faculty of Medicine, LMU Munich, Munich 80336, Germany
| | - Eckhard U Alt
- InGeneron GmbH, Munich 80331, Germany
- InGeneron, Inc., Houston, TX 77054, United States
- Isar Klinikum Munich, 80331 Munich, Germany
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Wang YM, Li K, Dou XG, Bai H, Zhao XP, Ma X, Li LJ, Chen ZS, Huang YC. Treatment of AECHB and Severe Hepatitis (Liver Failure). ACUTE EXACERBATION OF CHRONIC HEPATITIS B 2019. [PMCID: PMC7498915 DOI: 10.1007/978-94-024-1603-9_4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This chapter describes the general treatment and immune principles and internal management for AECHB and HBV ACLF, including ICU monitoring, general supportive medications/nutrition/nursing, immune therapy, artificial liver supportive systems, hepatocyte/stem cell, and liver transplant, management for special populations, frequently clinical complications and the utilization of Chinese traditional medicines.Early clinical indicators of severe hepatitis B include acratia, gastrointestinal symptoms, a daily increase in serum bilirubin >1 mg/dL, toxic intestinal paralysis, bleeding tendency and mild mind anomaly or character change, and the presence of other diseases inducing severe hepatitis. Laboratory indicators include T-Bil, PTA, cholinesterase, pre-albumin and albumin. The roles of immune indicators (such as IL-6, TNF-α, and fgl2), gene polymorphisms, HBV genotypes, and gene mutations as early clinical indicators. Intensive Care Unit monitor patients with severe hepatitis include intracranial pressure, infection, blood dynamics, respiratory function, renal function, blood coagulation function, nutritional status and blood purification process. Nursing care should not only include routine care, but psychological and special care (complications). Nutrition support and nursing care should be maintained throughout treatment for severe hepatitis. Common methods of evaluating nutritional status include direct human body measurement, creatinine height index (CHI) and subject global assessment of nutrition (SGA). Malnourished patients should receive enteral or parenteral nutrition support. Immune therapies for severe hepatitis include promoting hepatocyte regeneration (e.g. with glucagon, hepatocyte growth factor and prostaglandin E1), glucocorticoid suppressive therapy, and targeting molecular blocking. Corticosteroid treatment should be early and sufficient, and adverse drug reactions monitored. Treatments currently being investigated are those targeting Toll-like receptors, NK cell/NK cell receptors, macrophage/immune coagulation system, CTLA-4/PD-1 and stem cell transplantation. In addition to conventional drugs and radioiodine, corticosteroids and artificial liver treatment can also be considered for severe hepatitis patients with hyperthyreosis. Patients with gestational severe hepatitis require preventive therapy for fetal growth restriction, and it is necessary to choose the timing and method of fetal delivery. For patients with both diabetes and severe hepatitis, insulin is preferred to oral antidiabetic agents to control blood glucose concentration. Liver toxicity of corticosteroids and immune suppressors should be monitored during treatment for severe hepatitis in patients with connective tissue diseases including SLE, RA and sicca syndrome. Patient with connective tissue diseases should preferably be started after the antiviral treatment with nucleos(t)ide analogues. An artificial liver can improve patients’ liver function; remove endotoxins, blood ammonia and other toxins; correct amino acid metabolism and coagulation disorders; and reverse internal environment imbalances. Non-bioartificial livers are suitable for patients with early and middle stage severe hepatitis; for late-stage patients waiting for liver transplantation; and for transplanted patients with rejection reaction or transplant failure. The type of artificial liver should be determined by each patient’s condition and previous treatment purpose, and patients should be closely monitored for adverse reactions and complications. Bio- and hybrid artificial livers are still under development. MELD score is the international standard for choosing liver transplantation. Surgical methods mainly include the in situ classic type and the piggyback type; transplantation includes no liver prophase, no liver phase or new liver phase. Preoperative preparation, management of intraoperative and postoperative complications and postoperative long-term treatment are keys to success. Severe hepatitis belongs to the categories of “acute jaundice”, “scourge jaundice”, and “hot liver” in traditional Chinese medicine. Treatment methods include Chinese traditional medicines, acupuncture and acupoint injection, external application of drugs, umbilical compress therapy, drip, blow nose therapy, earpins, and clysis. Dietary care is also an important part of traditional Chinese medicine treatment.
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50
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Alencar AKN, Pimentel-Coelho PM, Montes GC, da Silva MDMC, Mendes LVP, Montagnoli TL, Silva AMS, Vasques JF, Rosado-de-Castro PH, Gutfilen B, Cunha VDMN, Fraga AGM, Silva PMRE, Martins MA, Ferreira TPT, Mendes-Otero R, Trachez MM, Sudo RT, Zapata-Sudo G. Human Mesenchymal Stem Cell Therapy Reverses Su5416/Hypoxia-Induced Pulmonary Arterial Hypertension in Mice. Front Pharmacol 2018; 9:1395. [PMID: 30574088 PMCID: PMC6291748 DOI: 10.3389/fphar.2018.01395] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 11/12/2018] [Indexed: 12/21/2022] Open
Abstract
Aims: Pulmonary arterial hypertension (PAH) is a disease characterized by an increase in pulmonary vascular resistance and right ventricular (RV) failure. We aimed to determine the effects of human mesenchymal stem cell (hMSC) therapy in a SU5416/hypoxia (SuH) mice model of PAH. Methods and Results: C57BL/6 mice (20-25 g) were exposure to 4 weeks of hypoxia combined vascular endothelial growth factor receptor antagonism (20 mg/kg SU5416; weekly s.c. injections; PAH mice). Control mice were housed in room air. Following 2 weeks of SuH exposure, we injected 5 × 105 hMSCs cells suspended in 50 μL of vehicle (0.6 U/mL DNaseI in PBS) through intravenous injection in the caudal vein. PAH mice were treated only with vehicle. Ratio between pulmonary artery acceleration time and RV ejection time (PAAT/RVET), measure by echocardiography, was significantly reduced in the PAH mice, compared with controls, and therapy with hMSCs normalized this. Significant muscularization of the PA was observed in the PAH mice and hMSC reduced the number of fully muscularized vessels. RV free wall thickness was higher in PAH animals than in the controls, and a single injection of hMSCs reversed RV hypertrophy. Levels of markers of exacerbated apoptosis, tissue inflammation and damage, cell proliferation and oxidative stress were significantly greater in both lungs and RV tissues from PAH group, compared to controls. hMSC injection in PAH animals normalized the expression of these molecules which are involved with PAH and RV dysfunction development and the state of chronicity. Conclusion: These results indicate that hMSCs therapy represents a novel strategy for the treatment of PAH in the future.
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Affiliation(s)
- Allan K N Alencar
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Pedro M Pimentel-Coelho
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Guilherme C Montes
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marina de M C da Silva
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiza V P Mendes
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Tadeu L Montagnoli
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ananssa M S Silva
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Juliana Ferreira Vasques
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Bianca Gutfilen
- Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Valéria do M N Cunha
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Aline G M Fraga
- Faculdade de Farmácia, Universidade Federal do Rio de Janeiro, Centro de Ciências da Saúde, Rio de Janeiro, Brazil
| | | | | | | | - Rosalia Mendes-Otero
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Margarete M Trachez
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Roberto T Sudo
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Gisele Zapata-Sudo
- Programa de Pesquisa em Desenvolvimento de Fármacos, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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