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Kuçi Z, Piede N, Vogelsang K, Pfeffermann LM, Wehner S, Salzmann-Manrique E, Stais M, Kreyenberg H, Bonig H, Bader P, Kuçi S. Expression of HLA-DR by mesenchymal stromal cells in the platelet lysate era: an obsolete release criterion for MSCs? J Transl Med 2024; 22:39. [PMID: 38195462 PMCID: PMC10775607 DOI: 10.1186/s12967-023-04684-5] [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: 09/13/2023] [Accepted: 10/18/2023] [Indexed: 01/11/2024] Open
Abstract
BACKGROUND According to the definition of the International Society for Cell and Gene Therapy (ISCT), mesenchymal stromal cells (MSCs) do not express HLA-DR. This phenotypic marker as a release criterion for clinical use was established at a time when MSCs were expanded in fetal bovine serum (FBS)-containing media. Replacement of FBS with platelet lysate (PLs) as a medium supplement induced a significantly higher fraction of MSCs to express MHC class II antigens. METHODS As this raised concerns that such MSCs may play the role of antigen-presenting cells for T cells, in the current study, we studied major factors that may induce HLA-DR on MSCs by means of flow cytometry and real-time polymerase chain reaction. The immunomodulatory potential of MSCs was assessed by a mixed lymphocyte reaction. RESULTS Our results demonstrated that a very low percentage of generated and expanded MSCs in FBS express HLA-DR (median: 1.1%, range: 0.3-22%) compared to MSCs generated and expanded in PLs (median: 28.4%, range: 3.3-73.7%). Analysis of the cytokine composition of ten PLs showed a significant positive correlation between the levels of IL-1β, IL-4, IL-10, IL-17, bFGF and expression of HLA-DR, in contrast to no correlation with the age of MSC donors and HLA-DR (r = 0.21). Both MSCs expressing low and high levels of HLA-DR expressed class II transactivator (CIITA), a master gene coding for these molecules. Our results demonstrate for the first time that MSCs with constitutively high levels of HLA-DR also express moderate levels of indoleamine 2,3-dioxygenase (IDO). Treatment of MSCs with multiple doses of TGF-β1 at passage 0 (P0) and passage 1 (P1) completely abrogated HLA-DR and IDO expression. In contrast, treatment of MSCs with a single dose of TGF-β1 after P0 only partially reduced the expression of HLA-DR and CIITA. Remarkably, increased expression of HLA-DR on MSCs that constitutively express high levels of this antigen after overnight incubation with IFN-γ was rather unaffected by incubation with TGF-β1. However, treatment of MSCs with TGF-β1 for 24 h completely abrogated constitutive expression of IDO. CONCLUSIONS Irrespective of HLA-DR expression at the population level, all MSC preparations significantly inhibited the proliferation of stimulated peripheral blood mononuclear cells, indicating that HLA-DR represents an obsolete release marker for the clinical use of MSCs.
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Affiliation(s)
- Zyrafete Kuçi
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Natascha Piede
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Kathrin Vogelsang
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Lisa-Marie Pfeffermann
- Institute for Transfusion Medicine and Immunohematology, Goethe University and German Red Cross Blood Service BaWüHe, Institute Frankfurt, Frankfurt, Germany
| | - Sibylle Wehner
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Emilia Salzmann-Manrique
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Miriam Stais
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Hermann Kreyenberg
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Halvard Bonig
- Institute for Transfusion Medicine and Immunohematology, Goethe University and German Red Cross Blood Service BaWüHe, Institute Frankfurt, Frankfurt, Germany
| | - Peter Bader
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany
| | - Selim Kuçi
- Department for Children and Adolescents, Division for Stem Cell Transplantation, Immunology and Intensive Care Medicine, Goethe University Frankfurt, University Hospital, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Germany.
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Jabbarpour Z, Aghayan SS, Moradzadeh K, Ghaffari S, Ahmadbeigi N. The effect of serum origin on cytokines induced killer cell expansion and function. BMC Immunol 2023; 24:28. [PMID: 37658313 PMCID: PMC10474620 DOI: 10.1186/s12865-023-00562-3] [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: 06/03/2022] [Accepted: 08/15/2023] [Indexed: 09/03/2023] Open
Abstract
BACKGROUND Cytokine-induced killer (CIK) cells have shown promising results in adoptive immunotherapy. However, serum may play a determining role in the large-scale expansion of these cells for clinical applications. According to Good Manufacturing Practice (GMP) guidelines to reduce the use of animal products in cell-based therapies; therefore, this study sought to investigate the impact of serum origin and the reduced serum concentration on the pattern of cell expansion and function. METHODS Peripheral blood mononuclear cells (PBMCs) isolated from a healthy donor were expanded based on the CIK cell expansion protocol. The cell culture medium was supplemented with three types of sera comprising fetal bovine serum (FBS), human serum (HS), or human-derived platelet lysate (hPL) at different concentrations (10%, 5%, and 2.5%). The proliferation kinetics for each group were investigated for 30 days of cell culture. RESULTS Cell proliferation in 10% concentration of all sera (hPL, FBS, HS) was higher than their lower concentrations. Moreover, hPL was significantly associated with higher expansion rates than FBS and HS in all three concentrations. Furthermore, cells cultured in hPL showed higher viability, cytotoxicity effect, and CIK CD markers expression. CONCLUSION hPL at a concentration of 10% showed the best effect on CIK cell proliferation and function.
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Affiliation(s)
- Zahra Jabbarpour
- Gene Therapy Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Shariati Hospital, North Kargar Ave, Tehran, 14117, Iran
| | - Seyed Sajjad Aghayan
- Gene Therapy Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Shariati Hospital, North Kargar Ave, Tehran, 14117, Iran
| | - Kobra Moradzadeh
- Gene Therapy Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Shariati Hospital, North Kargar Ave, Tehran, 14117, Iran
| | - Sasan Ghaffari
- Department of Hematology, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran
| | - Naser Ahmadbeigi
- Gene Therapy Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Shariati Hospital, North Kargar Ave, Tehran, 14117, Iran.
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Jakl V, Popp T, Haupt J, Port M, Roesler R, Wiese S, Friemert B, Rojewski MT, Schrezenmeier H. Effect of Expansion Media on Functional Characteristics of Bone Marrow-Derived Mesenchymal Stromal Cells. Cells 2023; 12:2105. [PMID: 37626914 PMCID: PMC10453497 DOI: 10.3390/cells12162105] [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] [Received: 07/19/2023] [Revised: 08/07/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
The therapeutic efficacy of mesenchymal stromal cells (MSCs) has been shown to rely on their immunomodulatory and regenerative properties. In order to obtain sufficient numbers of cells for clinical applications, MSCs have to be expanded ex vivo. Expansion media with xenogeneic-free (XF) growth-promoting supplements like human platelet lysate (PL) or serum- and xenogeneic-free (SF/XF) formulations have been established as safe and efficient, and both groups provide different beneficial qualities. In this study, MSCs were expanded in XF or SF/XF media as well as in mixtures thereof. MSCs cultured in these media were analyzed for phenotypic and functional properties. MSC expansion was optimal with SF/XF conditions when PL was present. Metabolic patterns, consumption of growth factors, and secretome of MSCs differed depending on the type and concentration of supplement. The lactate per glucose yield increased along with a higher proportion of PL. Many factors in the supernatant of cultured MSCs showed distinct patterns depending on the supplement (e.g., FGF-2, TGFβ, and insulin only in PL-expanded MSC, and leptin, sCD40L PDGF-AA only in SF/XF-expanded MSC). This also resulted in changes in cell characteristics like migratory potential. These findings support current approaches where growth media may be utilized for priming MSCs for specific therapeutic applications.
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Affiliation(s)
- Viktoria Jakl
- Institute for Transfusion Medicine, University Hospital Ulm, 89081 Ulm, Germany; (V.J.)
| | - Tanja Popp
- Bundeswehr Institute of Radiobiology, 80937 Munich, Germany (J.H.); (M.P.)
| | - Julian Haupt
- Bundeswehr Institute of Radiobiology, 80937 Munich, Germany (J.H.); (M.P.)
- Clinic for Trauma Surgery and Orthopedics, Army Hospital Ulm, 89081 Ulm, Germany
| | - Matthias Port
- Bundeswehr Institute of Radiobiology, 80937 Munich, Germany (J.H.); (M.P.)
| | - Reinhild Roesler
- Core Unit of Mass Spectrometry and Proteomics, Ulm University Medical Center, 89081 Ulm, Germany; (R.R.); (S.W.)
| | - Sebastian Wiese
- Core Unit of Mass Spectrometry and Proteomics, Ulm University Medical Center, 89081 Ulm, Germany; (R.R.); (S.W.)
| | - Benedikt Friemert
- Clinic for Trauma Surgery and Orthopedics, Army Hospital Ulm, 89081 Ulm, Germany
| | - Markus T. Rojewski
- Institute for Transfusion Medicine, University Hospital Ulm, 89081 Ulm, Germany; (V.J.)
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service Baden-Württemberg—Hessia and University Hospital Ulm, 89081 Ulm, Germany
| | - Hubert Schrezenmeier
- Institute for Transfusion Medicine, University Hospital Ulm, 89081 Ulm, Germany; (V.J.)
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service Baden-Württemberg—Hessia and University Hospital Ulm, 89081 Ulm, Germany
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Yaja K, Aungsuchawan S, Narakornsak S, Pothacharoen P, Pantan R, Tancharoen W. Combination of human platelet lysate and 3D gelatin scaffolds to enhance osteogenic differentiation of human amniotic fluid derived mesenchymal stem cells. Heliyon 2023; 9:e18599. [PMID: 37576189 PMCID: PMC10413082 DOI: 10.1016/j.heliyon.2023.e18599] [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] [Received: 04/05/2023] [Revised: 07/14/2023] [Accepted: 07/21/2023] [Indexed: 08/15/2023] Open
Abstract
Bone disorders are major health issues requiring specialized care; however, the traditional bone grafting method had several limitations. Thus, bone tissue engineering has become a potential alternative. In therapeutic treatments, using fetal bovine serum (FBS) as a culture supplement may result in the risk of contamination and host immunological response; therefore, human platelet lysate (hPL) has been considered a viable alternative source. This study attempted to compare the effectiveness and safety of different culture supplements, either FBS or hPL, on the osteoblastic differentiation potential of mesenchymal stem cells derived from human amniotic fluid (hAF-MSCs) under a three-dimensional gelatin scaffold. The results indicate that hAF-MSCs have the potential to be used in clinical applications as they meet the criteria for mesenchymal stem cells based on their morphology, the expression of a particular surface antigen, their proliferation ability, and their capacity for multipotent differentiation. After evaluation by MTT and Alamar blue proliferation assay, 10% of hPL was selected. The osteogenic differentiation of hAF-MSCs under three-dimensional gelatin scaffold using osteogenic-induced media supplemented with hPL was achievable and markedly stimulated osteoblast differentiation. Moreover, the expressions of osteoblastogenic related genes, including OCN, ALP, and COL1A1, exhibited the highest degree of expression under hPL-supplemented circumstances when compared with the control and the FBS-supplemented group. The induced cells under hPL-supplemented conditions also presented the highest ALP activity level and the greatest degree of calcium accumulation. These outcomes would indicate that hPL is a suitable substitute for animal derived serum. Importantly, osteogenic differentiation of human amniotic fluid derived mesenchymal stem cells using hPL-supplemented media and three-dimensional scaffolds may open the door to developing an alternative construct for repairing bone defects.
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Affiliation(s)
- Kantirat Yaja
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sirinda Aungsuchawan
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Suteera Narakornsak
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Peraphan Pothacharoen
- Thailand Excellence Center for Tissue Engineering and Stem Cells, Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Thailand
| | - Rungusa Pantan
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Waleephan Tancharoen
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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Sahoo A, Damala M, Jaffet J, Prasad D, Basu S, Singh V. Expansion and characterization of human limbus-derived stromal/mesenchymal stem cells in xeno-free medium for therapeutic applications. Stem Cell Res Ther 2023; 14:89. [PMID: 37061739 PMCID: PMC10105964 DOI: 10.1186/s13287-023-03299-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 03/24/2023] [Indexed: 04/17/2023] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) have been proven to prevent and clear corneal scarring and limbal stem cell deficiency. However, using animal-derived serum in a culture medium raises the ethical and regulatory bar. This study aims to expand and characterize human limbus-derived stromal/mesenchymal stem cells (hLMSCs) for the first time in vitro in the xeno-free medium. METHODS Limbal tissue was obtained from therapeutic grade corneoscleral rims and subjected to explant culture till tertiary passage in media with and without serum (STEM MACS XF; SM), to obtain pure hLMSCs. Population doubling time, cell proliferation, expression of phenotypic markers, tri-lineage differentiation, colony-forming potential and gene expression analysis were carried out to assess the retention of phenotypic and genotypic characteristics of hLMSCs. RESULTS The serum-free medium supported the growth of hLMSCs, retaining similar morphology but a significantly lower doubling time of 23 h (*p < 0.01) compared to the control medium. FACS analysis demonstrated ≥ 90% hLMSCs were positive for CD90+, CD73+, CD105+, and ≤ 6% were positive for CD45-, CD34- and HLA-DR-. Immunofluorescence analysis confirmed similar expression of Pax6+, COL IV+, ABCG2+, ABCB5+, VIM+, CD90+, CD105+, CD73+, HLA-DR- and CD45-, αSMA- in both the media. Tri-lineage differentiation potential and gene expression of hLMSCs were retained similarly to that of the control medium. CONCLUSION The findings of this study demonstrate successful isolation, characterization and culture optimization of hLMSCs for the first time in vitro in a serum-free environment. This will help in the future pre-clinical and clinical applications of MSCs in translational research.
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Affiliation(s)
- Abhishek Sahoo
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India
| | - Mukesh Damala
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India
- Department of Animal Biology, School of Life Sciences, University of Hyderabad, Hyderabad, Telangana, India
| | - Jilu Jaffet
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Deeksha Prasad
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India
- Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Sayan Basu
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India.
| | - Vivek Singh
- Centre for Ocular Regeneration, Prof. Brien Holden Eye Research Centre, L V Prasad Eye Institute, Hyderabad, Telangana, India.
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Moellerberndt J, Hagen A, Niebert S, Büttner K, Burk J. Cytokines in equine platelet lysate and related blood products. Front Vet Sci 2023; 10:1117829. [PMID: 36968472 PMCID: PMC10033973 DOI: 10.3389/fvets.2023.1117829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/09/2023] [Indexed: 03/11/2023] Open
Abstract
In equine medicine, the use of regenerative therapeutics has gained growing attention, but is still a new and complex field with room for improvement. Platelet lysate (PL) can be used as therapeutic agent but is also a promising supplement for the culture of multipotent mesenchymal stromal cells. To enable a targeted use of PL both in clinic and laboratory, it is crucial to learn more details on its effective ingredients. While so far, mainly growth factor components have been analyzed in platelet-based products such as PL, the current study focuses on the content of cytokines in serum, plasma, platelet concentrate and PL. Blood was harvested from 20 clinically healthy horses and subjected to blood count and chemistry analysis, as well as to further processing to PL. Plasma and platelet concentrate were produced by a buffy-coat-based method and PL was produced from the concentrate by freeze-thawing. Samples from each horse were analyzed regarding interleukin (IL)-1β, −4, −6 and −10, interferon-γ and tumor necrosis factor-α concentrations using sandwich ELISAs. Cytokine concentrations in serum, plasma, concentrate and PL were similar and correlated significantly. However, there was a large inter-individual variability in cytokine concentrations between the different donor horses. The samples from some donor animals had overall very high cytokine concentrations, while samples from other donors had no measurable cytokine ingredient. This pattern was observed for all cytokines. There was a noticeable link between high cytokine concentrations in the blood products and abnormal findings in blood chemistry. Cytokine concentrations in samples from horses with abnormal findings were significantly higher than in samples from the remaining horses. The interindividual differences in cytokine concentrations could be highly relevant when using PL for therapy and cell culture, as the mode of action of the PL is likely changed depending on the presence of pro- and anti-inflammatory cytokines. Blood chemistry might be useful to predict cytokine concentrations in blood products.
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Affiliation(s)
- Julia Moellerberndt
- Equine Clinic (Surgery, Orthopedics), Justus-Liebig-University Giessen, Giessen, Germany
| | - Alina Hagen
- Equine Clinic (Surgery, Orthopedics), Justus-Liebig-University Giessen, Giessen, Germany
| | - Sabine Niebert
- Equine Clinic (Surgery, Orthopedics), Justus-Liebig-University Giessen, Giessen, Germany
| | - Kathrin Büttner
- Unit for Biomathematics and Data Processing, Faculty of Veterinary Medicine, Justus-Liebig-University Giessen, Giessen, Germany
| | - Janina Burk
- Equine Clinic (Surgery, Orthopedics), Justus-Liebig-University Giessen, Giessen, Germany
- *Correspondence: Janina Burk
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Fujiwara Y, Kusakabe KT, Baba K, Sasaki N. Effect of platelet lysate on Schwann-like cell differentiation of equine bone marrow-derived mesenchymal stem cells. Res Vet Sci 2023; 159:11-18. [PMID: 37060838 DOI: 10.1016/j.rvsc.2023.03.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/18/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
Currently, treatment for peripheral nerve injuries in horses primarily relies upon physical therapy and anti-inflammatory drugs. In humans, various treatments using mesenchymal stem cells (MSCs) are being attempted. Therefore, in this study, Schwann-like cell differentiation cultures of equine MSCs were prepared using fetal bovine serum (FBS) and equine platelet lysate (ePL). ePL increased the platelet count to 1 × 106/μl, the optimal concentration for culture. In both groups, an elongated morphology at both ends, characteristic of Schwann cells, was observed under the microscope. Real-time PCR analysis of the expression levels of neuronal markers showed that the ePL group tended to express higher levels of Nestin, Musashi1, and Pax3 than the FBS group. p75 was expressed at low levels in both groups. Immunostaining results showed localization of Nestin in both groups of differentiated cells, but the positive cell rate was significantly higher in the ePL group than in the FBS group. Overall, the ePL gro showed good results for Schwann-like cell differentiation, which may be useful for future use in the treatment of equine motor neuron disease. This knowledge could be applied translationaly in the treatment of amyotrophic lateral sclerosis in humans.Overall, the ePL group showed good results for Schwann-like cell differentiation, which may be useful for future use in the treatment of equine motor neuron disease and in the treatment of amyotrophic lateral sclerosis in humans.
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Delabie W, De Bleser D, Vandewalle V, Vandekerckhove P, Compernolle V, Feys HB. Single step method for high yield human platelet lysate production. Transfusion 2023; 63:373-383. [PMID: 36426732 PMCID: PMC10099704 DOI: 10.1111/trf.17188] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 10/28/2022] [Accepted: 11/01/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND We aimed to develop a single step method for the production of human platelet lysate (hPL). The method must result in high hPL yields, be closed system and avoid heparin use. STUDY DESIGN AND METHODS The method aimed at using glass beads and calcium. An optimal concentration of calcium and glass beads was determined by serial dilution. This was translated to a novel method and compared to known methods: freeze-thawing and high calcium. Quality outcome measures were transmittance, fibrinogen and growth factor content, and cell doubling time. RESULTS An optimal concentration of 5 mM Ca2+ and 0.2 g/ml glass beads resulted in hPL with yields of 92% ± 1% (n = 50) independent of source material (apheresis or buffy coat-derived). The transmittance was highest (56% ± 9%) compared to known methods (<39%). The fibrinogen concentration (7.0 ± 1.1 μg/ml) was well below the threshold, avoiding the need for heparin. Growth factor content was similar across hPL production methods. The cell doubling time of adipose derived stem cells was 25 ± 1 h and not different across methods. Batch consistency was determined across six batches of hPL (each n = 25 constituting concentrates) and was <11% for all parameters including cell doubling time. Calcium precipitation formed after 4 days of culturing stem cells in media with hPL prepared by the high (15 mM) Ca2+ method, but not with hPL prepared by glass bead method. DISCUSSION The novel method transforms platelet concentrates to hPL with little hands-on time. The method results in high yield, is closed system, without heparin and non-inferior to published methods.
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Affiliation(s)
- Willem Delabie
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium
| | - Dominique De Bleser
- Transfusion Innovation Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Blood Services, Belgian Red Cross-Flanders, Mechelen, Belgium
| | - Vicky Vandewalle
- Transfusion Innovation Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Blood Services, Belgian Red Cross-Flanders, Mechelen, Belgium
| | - Philippe Vandekerckhove
- Blood Services, Belgian Red Cross-Flanders, Mechelen, Belgium.,Department of Public Health and Primary Care, Faculty of Medicine, KU Leuven, Leuven, Belgium.,Department of Global Health, Stellenbosch University, Stellenbosch, South Africa
| | - Veerle Compernolle
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Transfusion Innovation Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Blood Services, Belgian Red Cross-Flanders, Mechelen, Belgium.,Department of Diagnostic Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Hendrik B Feys
- Transfusion Research Center, Belgian Red Cross-Flanders, Ghent, Belgium.,Department of Diagnostic Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
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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: 0] [Impact Index Per Article: 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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Canceill T, Jourdan G, Kémoun P, Guissard C, Monsef YA, Bourdens M, Chaput B, Cavalie S, Casteilla L, Planat-Bénard V, Monsarrat P, Raymond-Letron I. Characterization and Safety Profile of a New Combined Advanced Therapeutic Medical Product Platelet Lysate-Based Fibrin Hydrogel for Mesenchymal Stromal Cell Local Delivery in Regenerative Medicine. Int J Mol Sci 2023; 24:ijms24032206. [PMID: 36768532 PMCID: PMC9916739 DOI: 10.3390/ijms24032206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/14/2023] [Accepted: 01/16/2023] [Indexed: 01/25/2023] Open
Abstract
Adipose-derived mesenchymal stromal cells (ASC) transplant to recover the optimal tissue structure/function relationship is a promising strategy to regenerate tissue lesions. Because filling local tissue defects by injection alone is often challenging, designing adequate cell carriers with suitable characteristics is critical for in situ ASC delivery. The aim of this study was to optimize the generation phase of a platelet-lysate-based fibrin hydrogel (PLFH) as a proper carrier for in situ ASC implantation and (1) to investigate in vitro PLFH biomechanical properties, cell viability, proliferation and migration sustainability, and (2) to comprehensively assess the local in vivo PLFH/ASC safety profile (local tolerance, ASC fate, biodistribution and toxicity). We first defined the experimental conditions to enhance physicochemical properties and microscopic features of PLFH as an adequate ASC vehicle. When ASC were mixed with PLFH, in vitro assays exhibited hydrogel supporting cell migration, viability and proliferation. In vivo local subcutaneous and subgingival PLFH/ASC administration in nude mice allowed us to generate biosafety data, including biodegradability, tolerance, ASC fate and engraftment, and the absence of biodistribution and toxicity to non-target tissues. Our data strongly suggest that this novel combined ATMP for in situ administration is safe with an efficient local ASC engraftment, supporting the further development for human clinical cell therapy.
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Affiliation(s)
- Thibault Canceill
- CIRIMAT, Université Toulouse III Paul Sabatier, CNRS UMR 5085, INPT, Faculté de Pharmacie, 35 Chemin des Maraichers, CEDEX 09, 31062 Toulouse, France
- Department of Oral Medicine and Toulouse University Hospital (CHU of Toulouse)—Toulouse Institute of Oral Medicine and Science, CEDEX 09, 31062 Toulouse, France
| | - Géraldine Jourdan
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
| | - Philippe Kémoun
- Department of Oral Medicine and Toulouse University Hospital (CHU of Toulouse)—Toulouse Institute of Oral Medicine and Science, CEDEX 09, 31062 Toulouse, France
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
| | - Christophe Guissard
- Department of Oral Medicine and Toulouse University Hospital (CHU of Toulouse)—Toulouse Institute of Oral Medicine and Science, CEDEX 09, 31062 Toulouse, France
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
| | - Yanad Abou Monsef
- LabHPEC, Histology and Pathology Department, Université de Toulouse, ENVT, CEDEX 03, 31076 Toulouse, France
| | - Marion Bourdens
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
| | - Benoit Chaput
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
- Service de Chirurgie Plastique, Reconstructrice et Esthétique, Centre Hospitalier Universitaire Rangueil, Avenue du Professeur Jean Poulhès, CEDEX 09, 31059 Toulouse, France
| | - Sandrine Cavalie
- CIRIMAT, Université Toulouse III Paul Sabatier, CNRS UMR 5085, INPT, Faculté de Pharmacie, 35 Chemin des Maraichers, CEDEX 09, 31062 Toulouse, France
| | - Louis Casteilla
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
| | - Valérie Planat-Bénard
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
| | - Paul Monsarrat
- Department of Oral Medicine and Toulouse University Hospital (CHU of Toulouse)—Toulouse Institute of Oral Medicine and Science, CEDEX 09, 31062 Toulouse, France
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
- Artificial and Natural Intelligence Toulouse Institute ANITI, 31400 Toulouse, France
- Correspondence:
| | - Isabelle Raymond-Letron
- RESTORE Research Center, Université de Toulouse, INSERM, CNRS, EFS, ENVT, Batiment INCERE, 4bis Avenue Hubert Curien, 31100 Toulouse, France
- LabHPEC, Histology and Pathology Department, Université de Toulouse, ENVT, CEDEX 03, 31076 Toulouse, France
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11
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Nilson R, Krutzke L, Wienen F, Rojewski M, Zeplin PH, Funk W, Schrezenmeier H, Kochanek S, Kritzinger A. Evaluation of Human Mesenchymal Stromal Cells as Carriers for the Delivery of Oncolytic HAdV-5 to Head and Neck Squamous Cell Carcinomas. Viruses 2023; 15:218. [PMID: 36680258 PMCID: PMC9864513 DOI: 10.3390/v15010218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/15/2023] Open
Abstract
Human multipotent mesenchymal stromal cells (hMSCs) are of significant therapeutic interest due to their ability to deliver oncolytic adenoviruses to tumors. This approach is also investigated for targeting head and neck squamous cell carcinomas (HNSCCs). HAdV-5-HexPos3, a recently reported capsid-modified vector based on human adenovirus type 5 (HAdV-5), showed strongly improved infection of both hMSCs and the HNSCC cell line UM-SCC-11B. Given that, we generated life cycle-unmodified and -modified replication-competent HAdV-5-HexPos3 vector variants and analyzed their replication within bone marrow- and adipose tissue-derived hMSCs. Efficient replication was detected for both life cycle-unmodified and -modified vectors. Moreover, we analyzed the migration of vector-carrying hMSCs toward different HNSCCs. Although migration of hMSCs to HNSCC cell lines was confirmed in vitro, no homing of hMSCs to HNSCC xenografts was observed in vivo in mice and in ovo in a chorioallantoic membrane model. Taken together, our data suggest that HAdV-5-HexPos3 is a potent candidate for hMSC-based oncolytic therapy of HNSCCs. However, it also emphasizes the importance of generating optimized in vivo models for the evaluation of hMSC as carrier cells.
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Affiliation(s)
- Robin Nilson
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany
| | - Lea Krutzke
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany
| | - Frederik Wienen
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany
| | - Markus Rojewski
- Institute for Transfusion Medicine, University Medical Center Ulm, 89081 Ulm, Germany
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service, 89081 Ulm, Germany
| | - Philip Helge Zeplin
- Schlosspark Klinik Ludwigsburg, Privatklinik für Plastische und Ästhetische Chirurgie, 71638 Ludwigsburg, Germany
| | | | - Hubert Schrezenmeier
- Institute for Transfusion Medicine, University Medical Center Ulm, 89081 Ulm, Germany
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service, 89081 Ulm, Germany
| | - Stefan Kochanek
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany
| | - Astrid Kritzinger
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany
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12
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Transcription Factors STAT3 and MYC Are Key Players of Human Platelet Lysate-Induced Cell Proliferation. Int J Mol Sci 2022; 23:ijms232415782. [PMID: 36555426 PMCID: PMC9781157 DOI: 10.3390/ijms232415782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/07/2022] [Accepted: 12/10/2022] [Indexed: 12/15/2022] Open
Abstract
Human platelet lysate (HPL) is an efficient alternative for animal serum supplements, significantly enhancing stromal cell proliferation. However, the molecular mechanism behind this growth-promoting effect remains elusive. The aim of this study was to investigate the effect of HPL on cell cycle gene expression in different human stromal cells and to identify the main key players that mediate HPL's growth-enhancing effect. RT-qPCR and an antibody array revealed significant upregulation of cell cycle genes in stromal cells cultured in HPL. As HPL is rich in growth factors that are ligands of tyrosine kinase receptor (TKR) pathways, we used TKR inhibitors and could significantly reduce cell proliferation. Genome profiling, RT-qPCR and Western blotting revealed an enhanced expression of the transcription factors signal transducer and activator of transcription 3 (STAT3) and MYC, both known TKR downstream effectors and stimulators of cell proliferation, in response to HPL. In addition, specifically blocking STAT3 resulted in reduced cell proliferation and expression of cell cycle genes. Our data indicate that HPL-enhanced cell proliferation can, at least in part, be explained by the TKR-enhanced expression of STAT3 and MYC, which in turn induce the expression of genes being involved in the promotion and control of the cell cycle.
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13
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Zhang M, Zhao Y, Wang L, Zheng Y, Yu H, Dong X, He W, Yin Z, Wang Z. Study of the biological characteristics of human umbilical cord mesenchymal stem cells after long-time cryopreservation. Cell Tissue Bank 2022; 23:739-752. [PMID: 35066739 PMCID: PMC9675661 DOI: 10.1007/s10561-021-09973-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 10/21/2021] [Indexed: 01/22/2023]
Abstract
Human umbilical cord mesenchymal stem cells (hUC-MSCs) have considerable potential in cell therapy. Cryopreservation represents the gold standard in cell storage, but its effect on hUC-MSCs is still not well understood. The aim of this study was to investigate the effect of one year of cryopreservation and thawing on the biological characteristics of hUC-MSCs from the same donors. Fresh hUC-MSCs were cryopreserved in commercial freezing medium (serum-free CellBanker 2) at passage 2. After one year of cryopreservation, the hUC-MSCs were thawed and subcultured to passage 4. The comparison was performed in terms of followings: cell count, viability, morphology, proliferation capacity, differentiation potential and chromosomal stability. The total cell count and viability of hUC-MSCs before and after one year of cryopreservation were 1 × 107 and 96.34% and 0.943 × 107 and 93.81%, respectively. Cryopreserved and fresh hUC-MSCs displayed a similar cell doubling times, expressed the markers CD73, CD90, CD105 and were negative for the markers CD34, CD45, and HLA-DR. Karyotypes were found to be normal after one year of cryopreservation. The trilineage differentiation properties were maintained after cryopreservation. However, when compared to freshly isolated hUC-MSCs from the same donor, cryopreserved hUC-MSCs exhibited decreased expression of osteogenesis- and chondrogenesis-related genes including Runx2, Sox9, and Col1a1, and increased expression of adipogenesis-related genes. These results demonstrated that cryopreservation did not affect cell morphology, surface marker expression, cell viability, proliferative capacity, or chromosomal stability. However, the osteogenic and chondrogenic differentiation capacities of cryopreserved hUC-MSCs were slightly reduced compared with those of fresh cells from the same donor.
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Affiliation(s)
- Mingqi Zhang
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China
- Liaoning Key Lab of Ophthalmic Stem Cells, He University, Shenyang, China
- Liaoning Province Ophthalmic Stem Cell Clinical Application Research Center, He Eye Hospital, Shenyang, China
| | - Yan Zhao
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China
- Liaoning Key Lab of Ophthalmic Stem Cells, He University, Shenyang, China
| | - Le Wang
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China
- Liaoning Key Lab of Ophthalmic Stem Cells, He University, Shenyang, China
| | - Yuqiang Zheng
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China
- Liaoning Key Lab of Ophthalmic Stem Cells, He University, Shenyang, China
| | - Hui Yu
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China
- Liaoning Key Lab of Ophthalmic Stem Cells, He University, Shenyang, China
| | - Xiaoming Dong
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China
- Liaoning Key Lab of Ophthalmic Stem Cells, He University, Shenyang, China
| | - Wei He
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China
- Liaoning Key Lab of Ophthalmic Stem Cells, He University, Shenyang, China
- Liaoning Province Ophthalmic Stem Cell Clinical Application Research Center, He Eye Hospital, Shenyang, China
| | - Zhengqin Yin
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China.
| | - Zhuoshi Wang
- Department of Stem Cell Center of Precision Medicine Innovation Institute, He University, Hunnan District, No.66 Sishui Street, Shenyang, 110163, China.
- Liaoning Key Lab of Ophthalmic Stem Cells, He University, Shenyang, China.
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14
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Sarikidi A, Kefalakes E, Falk CS, Esser R, Ganser A, Thau-Habermann N, Petri S. Altered Immunomodulatory Responses in the CX3CL1/CX3CR1 Axis Mediated by hMSCs in an Early In Vitro SOD1 G93A Model of ALS. Biomedicines 2022; 10:biomedicines10112916. [PMID: 36428484 PMCID: PMC9688016 DOI: 10.3390/biomedicines10112916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/11/2022] [Accepted: 11/08/2022] [Indexed: 11/16/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal motor neuron (MN) disease characterized by progressive MN loss and muscular atrophy resulting in rapidly progressive paralysis and respiratory failure. Human mesenchymal stem/stromal cell (hMSC)-based therapy has been suggested to prolong MN survival via secretion of growth factors and modulation of cytokines/chemokines. We investigated the effects of hMSCs and a hMSC-conditioned medium (CM) on Cu/Zn superoxidase dismutase 1G93A (SOD1G93A) transgenic primary MNs. We found that co-culture of hMSCs and MNs resulted in slightly higher MN numbers, but did not protect against staurosporine (STS)-induced toxicity, implying marginal direct trophic effects of hMSCs. Aiming to elucidate the crosstalk between hMSCs and MNs in vitro, we found high levels of vascular endothelial growth factor (VEGF) and C-X3-C motif chemokine 1 (CX3CL1) in the hMSC secretome. Co-culture of hMSCs and MNs resulted in altered gene expression of growth factors and cytokines/chemokines in both MNs and hMSCs. hMSCs showed upregulation of CX3CL1 and its receptor CX3CR1 and downregulation of interleukin-1 β (IL1β) and interleukin-8 (IL8) when co-cultured with SOD1G93A MNs. MNs, on the other hand, showed upregulation of growth factors as well as CX3CR1 upon hMSC co-culture. Our results indicate that hMSCs only provide moderate trophic support to MNs by growth factor gene regulation and may mediate anti-inflammatory responses through the CX3CL1/CX3CR1 axis, but also increase expression of pro-inflammatory cytokines, which limits their therapeutic potential.
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Affiliation(s)
- Anastasia Sarikidi
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany
| | - Ekaterini Kefalakes
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany
- Institute of Neuroanatomy and Cell Biology, Hannover Medical School, 30625 Hannover, Germany
| | - Christine S. Falk
- Institute of Transplant Immunology, Hannover Medical School, 30625 Hannover, Germany
| | - Ruth Esser
- Institute of Cellular Therapeutics, Hannover Medical School, 30625 Hannover, Germany
| | - Arnold Ganser
- Institute of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, 30625 Hannover, Germany
| | | | - Susanne Petri
- Department of Neurology, Hannover Medical School, 30625 Hannover, Germany
- Correspondence: ; Tel.: +49-511-532-3740
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15
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Shanbhag S, Al-Sharabi N, Mohamed-Ahmed S, Gruber R, Kristoffersen EK, Mustafa K. Brief communication: Effects of conditioned media from human platelet lysate cultured MSC on osteogenic cell differentiation in vitro. Front Bioeng Biotechnol 2022; 10:969275. [PMID: 36246352 PMCID: PMC9556861 DOI: 10.3389/fbioe.2022.969275] [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: 06/14/2022] [Accepted: 09/14/2022] [Indexed: 11/23/2022] Open
Abstract
Culturing mesenchymal stromal cells (MSC) in human platelet lysate (HPL) supplemented media can enhance their osteogenic differentiation potential. The objective of this study was to test the hypothesis that conditioned media (CM) derived from HPL-cultured MSC also have pro-osteogenic effects. Pooled CM was prepared from HPL-cultured human bone marrow MSC (BMSC) of multiple donors and applied on BMSC of different donors (than those used for CM preparation), with or without additional supplementation [HPL, fetal bovine serum (FBS)] and osteogenic stimulation. At various time-points, cell proliferation, alkaline phosphatase (ALP) activity, osteogenic gene expression and in vitro mineralization were assessed. BMSC in standard unstimulated growth media served as controls. After 3–7 days, CM alone did not promote BMSC proliferation or ALP activity; supplementation of CM with HPL slightly improved these effects. After 2 and 7 days, CM alone, but not CM supplemented with HPL, promoted osteogenic gene expression. After 14 days, only CM supplemented with FBS and osteogenic stimulants supported in vitro BMSC mineralization; CM alone and CM supplemented with HPL did not support mineralization, regardless of osteogenic stimulation. In summary, CM from HPL-cultured BMSC promoted osteogenic gene expression but not in vitro mineralization in allogeneic BMSC even when supplemented with HPL and/or osteogenic stimulants. Future studies should investigate the role and relevance of supplementation and osteogenic induction in in vitro assays using CM from MSC.
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Affiliation(s)
- Siddharth Shanbhag
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
- Center for Translational Oral Research, Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
- *Correspondence: Siddharth Shanbhag,
| | - Niyaz Al-Sharabi
- Center for Translational Oral Research, Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Samih Mohamed-Ahmed
- Center for Translational Oral Research, Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Reinhard Gruber
- Department of Oral Biology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
- Department of Periodontology, School of Dental Medicine, University of Bern, Bern, Switzerland
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Einar K. Kristoffersen
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Sciences, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Kamal Mustafa
- Center for Translational Oral Research, Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
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16
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Highly elastic and bioactive bone biomimetic scaffolds based on platelet lysate and biomineralized cellulose nanocrystals. Carbohydr Polym 2022; 292:119638. [DOI: 10.1016/j.carbpol.2022.119638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/29/2022] [Accepted: 05/16/2022] [Indexed: 02/06/2023]
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17
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Fernández-Garibay X, Gomez-Florit M, Domingues RMA, Gomes M, Fernandez-Costa JM, Ramon J. Xeno-free bioengineered human skeletal muscle tissue using human platelet lysate-based hydrogels. Biofabrication 2022; 14. [PMID: 36041422 DOI: 10.1088/1758-5090/ac8dc8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/30/2022] [Indexed: 11/12/2022]
Abstract
Bioengineered human skeletal muscle tissues have emerged in the last years as new in vitro systems for disease modeling. These bioartificial muscles are classically fabricated by encapsulating human myogenic precursor cells in a hydrogel scaffold that resembles the extracellular matrix. However, most of these hydrogels are derived from xenogenic sources, and the culture media is supplemented with animal serum, which could interfere in drug testing assays. On the contrary, xeno-free biomaterials and culture conditions in tissue engineering offer increased relevance for developing human disease models. In this work, we used human platelet lysate-based nanocomposite hydrogels (HUgel) as scaffolds for human skeletal muscle tissue engineering. These hydrogels consist of human platelet lysate reinforced with cellulose nanocrystals (a-CNC) that allow tunable mechanical, structural, and biochemical properties for the 3D culture of stem cells. Here, we developed hydrogel casting platforms to encapsulate human muscle satellite stem cells in HUgel. The a-CNC content was modulated to enhance matrix remodeling, uniaxial tension, and self-organization of the cells, resulting in the formation of highly aligned, long myotubes expressing sarcomeric proteins. Moreover, the bioengineered human muscles were subjected to electrical stimulation, and the exerted contractile forces were measured in a non-invasive manner. Overall, our results demonstrated that the bioengineered human skeletal muscles could be built in xeno-free cell culture platforms to assess tissue functionality, which is promising for drug development applications.
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Affiliation(s)
| | - Manuel Gomez-Florit
- 3B's Research Group, University of Minho, Zona Industrial da Gandra, 4805-017, Braga, Braga, 4805-017, PORTUGAL
| | - Rui M A Domingues
- 3B's Research Group, University of Minho, Zona Industrial da Gandra, 4805-017, Braga, Braga, 4805-017, PORTUGAL
| | - Manuela Gomes
- 3B's Research group, University of Minho, AvePark - Zona Industrial da Gandra, 4805-017 Barco GMR, Braga, Braga, 4704-553, PORTUGAL
| | - Juan M Fernandez-Costa
- Institute for Bioengineering in Catalonia, C/ Baldiri i reixac, 10-12, Barcelona, Catalunya, 08028, SPAIN
| | - Javier Ramon
- Institute for Bioengineering in Catalonia, C/ Baldiri i reixac, 10-12, Barcelona, Catalunya, 08028, SPAIN
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18
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Effect of Human Platelet Lysate as Cultivation Nutrient Supplement on Human Natal Dental Pulp Stem Cell In Vitro Expansion. Biomolecules 2022; 12:biom12081091. [PMID: 36008985 PMCID: PMC9405745 DOI: 10.3390/biom12081091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/04/2022] [Accepted: 08/06/2022] [Indexed: 11/29/2022] Open
Abstract
Despite several scientific or ethical issues, fetal bovine serum (FBS) remains the standard nutrient supplement in the mesenchymal stem cell cultivation medium. Cell amplification plays an important role in human stem cell therapies. Increasing interest in this field has supported attempts to find suitable human alternatives to FBS for in vitro cell propagation. Human platelet lysate (hPL) has recently been determined as one of them. Our study aimed to evaluate the influence of 2% hPL in the growth medium for in vitro expansion of human natal dental pulp stem cells (hNDP-SCs). The effect was determined on proliferation rate, viability, phenotype profile, expression of several markers, relative telomere length change, and differentiation potential of four lineages of hNDP-SCs. As a control, hNDP-SCs were simultaneously cultivated in 2% FBS. hNDP-SCs cultivated in hPL showed a statistically significantly higher proliferation rate in initial passages. We did not observe a statistically significant effect on mesenchymal stem cell marker (CD29, CD44, CD73, CD90) or stromal-associated marker (CD13, CD166) expression. The cell viability, relative telomere length, or multipotency remained unaffected in hNDP-SCs cultivated in hPL-medium. In conclusion, hPL produced under controlled and standardized conditions is an efficient serum supplement for in vitro expansion of hNDP-SCs.
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19
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Rodrigues RM, Valim VDS, Berger M, da Silva APM, Fachel FNS, Wilke II, da Silva WOB, Santi L, da Silva MAL, Amorin B, Sehn F, Yates JR, Guimarães JA, Silla L. The proteomic and particle composition of human platelet lysate for cell therapy products. J Cell Biochem 2022; 123:1495-1505. [PMID: 35892149 DOI: 10.1002/jcb.30310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 07/11/2022] [Accepted: 07/15/2022] [Indexed: 11/12/2022]
Abstract
Following health agencies warning, the use of animal origin supplements should be avoided in biological products proposed as therapy in humans. Platelet lysate and several other growth factors sources are alternatives to replace fetal calf serum, the current gold standard in clinical-grade cell culture. However, the platelet supplement's content lacks data due to different production methods. The principle behind these products relays on the lysis of platelets that release several proteins, some of which are contained in heterogeneous granules and coordinate biological functions. This study aims to analyze the composition and reproducibility of a platelet lysate produced with a standardized method, by describing several batches' protein and particle content using proteomics and dynamic light scattering. Proteomics data revealed a diversified protein content, with some related to essential cellular processes such as proliferation, morphogenesis, differentiation, biosynthesis, adhesion, and metabolism. It also detected proteins responsible for activation and binding of transforming growth factor beta, hepatocyte growth factor, and insulin-like growth factor. Total protein, biochemical, and growth factors quantitative data showed consistent and reproducible values across batches. Novel data on two major particle populations is presented, with high dispersion level at 231 ± 96 d.nm and at 30 ± 8 d.nm, possibly being an important way of protein trafficking through the cellular microenvironment. This experimental and descriptive analysis aims to support the content definition and quality criteria of a cell supplement for clinical applications.
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Affiliation(s)
- Raul M Rodrigues
- School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Markus Berger
- School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | | | - Flávia N S Fachel
- School of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Ianaê I Wilke
- School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Walter O B da Silva
- Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,School of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Lucélia Santi
- Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.,School of Pharmacy, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Bruna Amorin
- Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Filipe Sehn
- School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - John R Yates
- Department of Molecular Medicine, Scripps Research, La Jolla, California, USA
| | | | - Lucia Silla
- School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
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20
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Risks in Induction of Platelet Aggregation and Enhanced Blood Clot Formation in Platelet Lysate Therapy: A Pilot Study. J Clin Med 2022; 11:jcm11143972. [PMID: 35887736 PMCID: PMC9315595 DOI: 10.3390/jcm11143972] [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: 06/07/2022] [Revised: 06/28/2022] [Accepted: 07/07/2022] [Indexed: 02/07/2023] Open
Abstract
Platelet concentrates (PCs) are widely used in regenerative medicine; as it is produced from freeze–thawing PC, platelet lysate (PL) has a longer shelf life. The thrombotic risk of PL therapy needs to be explored since PL and PC contain cytokines that contribute to platelet aggregation and thrombus formation. Whole blood samples of 20 healthy subjects were collected; PL was produced from PCs with expired shelf life through freeze–thawing. The direct mixing of PL with platelet-rich plasma (PRP) or whole blood was performed. In addition, rotational thromboelastometry (ROTEM) was used to investigate whether PL enhanced coagulation in vitro; the effects of fibrinogen depletion and anticoagulants were evaluated to prevent hypercoagulation. The results showed that PL induced platelet aggregation in both PRP and whole blood. In ROTEM assays, PL was shown to cause a significantly lower clotting onset time (COT) and clot formation time (CFT), and a significantly greater α angle and maximum clot firmness (MCF). Compared with the controls, which were 1:1 mixtures of normal saline and whole blood, fibrinogen depletion of PL showed no significant difference in CFT, α angle and MCF. Moreover, heparin- and rivaroxaban-added PL groups demonstrated no clot formation in ROTEM assays. Platelet lysate-induced hypercoagulability was demonstrated in vitro in the present study, which could be prevented by fibrinogen depletion or the addition of an anticoagulant.
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21
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Nilson R, Lübbers O, Schmidt CQ, Rojewski M, Zeplin PH, Funk W, Schrezenmeier H, Kritzinger A, Kochanek S, Krutzke L. Hexon modification of human adenovirus type 5 vectors enables efficient transduction of human multipotent mesenchymal stromal cells. Mol Ther Methods Clin Dev 2022; 25:96-110. [PMID: 35402633 PMCID: PMC8956844 DOI: 10.1016/j.omtm.2022.03.004] [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] [Received: 01/10/2022] [Accepted: 03/04/2022] [Indexed: 11/29/2022]
Abstract
In adenovirus type 5 (HAdV-5)-derived viral vectors, the fiber protein has been the preferred locale for modifications to alter the natural viral tropism. Hexon, the most abundant capsid protein, has rarely been used for retargeting purposes, likely because the insertion of larger targeting peptides into Hexon often interferes with the assembly of the viral capsid. We previously observed that positively charged molecules enhance the transduction of human multipotent mesenchymal stromal cells (hMSCs)—a cell type of significant interest for clinical development but inefficiently transduced by unmodified HAdV-5-based vectors. As efficient HAdV-5-mediated gene transfer would greatly increase the therapeutic potential of hMSCs, we tested the hypothesis that introducing positively charged amino acids into Hexon might enhance the transduction of hMSCs, enabling efficient expression of selected transgenes. From the constructs that could be rescued as functional virions, one (HAdV-5-HexPos3) showed striking transduction of hMSCs with up to 500-fold increased efficiency. Evaluation of the underlying mechanism identified heparan sulfate proteoglycans (HSPGs) to be essential for virus uptake by the cells. The ease and efficiency of transduction of hMSCs with this vector will facilitate the development of genetically modified hMSCs as therapeutic vehicles in different disciplines, including oncology or regenerative medicine.
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Affiliation(s)
- Robin Nilson
- Department of Gene Therapy, University of Ulm, Helmholtzstraße 8/1, 89081 Ulm, Baden-Württemberg, Germany
| | - Olivia Lübbers
- Department of Gene Therapy, University of Ulm, Helmholtzstraße 8/1, 89081 Ulm, Baden-Württemberg, Germany
| | - Christoph Q Schmidt
- Department of Applied Immunology and Immunopharmacology, University Medical Center Ulm, Ulm, Germany
| | - Markus Rojewski
- Institute for Transfusion Medicine, University Medical Center Ulm, Ulm, Germany.,Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service, Ulm, Germany
| | - Philip Helge Zeplin
- Schlosspark Klinik Ludwigsburg, Privatklinik für Plastische und Ästhetische Chirurgie, Ludwigsburg, Germany
| | | | - Hubert Schrezenmeier
- Institute for Transfusion Medicine, University Medical Center Ulm, Ulm, Germany.,Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service, Ulm, Germany
| | - Astrid Kritzinger
- Department of Gene Therapy, University of Ulm, Helmholtzstraße 8/1, 89081 Ulm, Baden-Württemberg, Germany
| | - Stefan Kochanek
- Department of Gene Therapy, University of Ulm, Helmholtzstraße 8/1, 89081 Ulm, Baden-Württemberg, Germany
| | - Lea Krutzke
- Department of Gene Therapy, University of Ulm, Helmholtzstraße 8/1, 89081 Ulm, Baden-Württemberg, Germany
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22
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Schepici G, Gugliandolo A, Mazzon E. Serum-Free Cultures: Could They Be a Future Direction to Improve Neuronal Differentiation of Mesenchymal Stromal Cells? Int J Mol Sci 2022; 23:ijms23126391. [PMID: 35742836 PMCID: PMC9223839 DOI: 10.3390/ijms23126391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/02/2022] [Accepted: 06/06/2022] [Indexed: 02/04/2023] Open
Abstract
Mesenchymal stem/stromal cells (MSCs) are undifferentiated cells with multilinear potential, known for their immunomodulatory and regenerative properties. Although the scientific community is working to improve their application, concerns limit their use to repair tissues following neurological damage. One of these obstacles is represented by the use of culture media supplemented with fetal bovine serum (FBS), which, due to its xenogenic nature and the risk of contamination, has increased scientific, ethical and safety problems. Therefore, the use of serum-free media could improve MSC culture methods, avoiding infectious and immunogenic transmission problems as well as MSC bioprocesses, without the use of animal components. The purpose of our review is to provide an overview of experimental studies that demonstrate that serum-free cultures, along with the supplementation of growth factors or chemicals, can lead to a more defined and controlled environment, enhancing the proliferation and neuronal differentiation of MSCs.
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23
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Graça AL, Gómez-Florit M, Osório H, Rodrigues MT, Domingues RMA, Reis RL, Gomes ME. Controlling the fate of regenerative cells with engineered platelet-derived extracellular vesicles. NANOSCALE 2022; 14:6543-6556. [PMID: 35420605 DOI: 10.1039/d1nr08108j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Extracellular vesicles (EVs) have emerged as cell-free nanotherapeutic agents for the potential treatment of multiple diseases and for tissue engineering and regenerative medicine strategies. Nevertheless, the field has typically relied on EVs derived from stem cells, the production of which in high quantities and high reproducibility is still under debate. Platelet-derived EVs were produced by a freeze-thaw method of platelet concentrates, a highly available clinical waste material. The aim of this study was to produce and thoroughly characterize platelet-derived EVs and understand their effects in adipose-tissue derived stem cells (hASCs), endothelial cells (HUVECs) and macrophages. Two different EV populations were obtained after differential centrifugation, namely small EVs (sEVs) and medium EVs (mEVs), which showed different size distributions and unique proteomic signatures. EV interaction with hASCs resulted in the modulation of the gene expression of markers related to their commitment toward different lineages. Moreover, mEVs showed higher angiogenic potential than sEVs, in a tube formation assay with HUVECs. Also, the EVs were able to modulate macrophage polarization. Altogether, these results suggest that platelet-derived EVs are promising candidates to be used as biochemical signals or therapeutic tools in tissue engineering and regenerative medicine approaches.
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Affiliation(s)
- Ana L Graça
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Manuel Gómez-Florit
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Hugo Osório
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Rua Alfredo Allen 208, 4200-135 Porto, Portugal
| | - Márcia T Rodrigues
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui M A Domingues
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - Manuela E Gomes
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal
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24
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Calejo I, Reis RL, Domingues RMA, Gomes ME. Texturing Hierarchical Tissues by Gradient Assembling of Microengineered Platelet-Lysates Activated Fibers. Adv Healthc Mater 2022; 11:e2102076. [PMID: 34927396 DOI: 10.1002/adhm.202102076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/14/2021] [Indexed: 11/07/2022]
Abstract
The heterogeneity of hierarchical tissues requires designing multipart engineered constructs as suitable tissue replacements. Herein, the incorporation of platelet lysate (PL) within an electrospun fiber core is proposed aiming for the fabrication of functionally graded 3D scaffolds for heterotypic tissues regeneration, such as tendon-to-bone interfaces. First, anisotropic yarns (A-Yarns) and isotropic threads with nanohydroxyapatite (I-Threads/PL@nHAp) are fabricated to recreate the tendon- and bone-microstructures and both incorporated with PL using emulsion electrospinning for a sustained and local delivery of growth factors, cytokines, and chemokines. Biological performance using human adipose-derived stem cells demonstrates that A-Yarns/PL induce a higher expression of scleraxis, a tenogenic-marker, while in I-Threads/PL@nHAp, higher alkaline phosphatase activity and matrix mineralization suggest an osteogenic commitment without the need for biochemical supplementation compared to controls. As a proof-of-concept, functional 3D gradient scaffolds are fabricated using a weaving technique, resulting in 3D textured hierarchical constructs with gradients in composition and topography. Additionally, the precise delivery of bioactive cues together with in situ biophysical features guide the commitment into a phenotypic gradient exhibiting chondrogenic and osteochondrogenic profiles in the interface of scaffolds. Overall, a promising patch solution for the regeneration of tendon-to-bone tissue interface through the fabrication of PL-functional 3D gradient constructs is demonstrated.
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Affiliation(s)
- Isabel Calejo
- 3B's Research Group i3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics University of Minho Barco Guimarães 4805‐017 Portugal
| | - Rui L. Reis
- 3B's Research Group i3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics University of Minho Barco Guimarães 4805‐017 Portugal
| | - Rui M. A. Domingues
- 3B's Research Group i3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics University of Minho Barco Guimarães 4805‐017 Portugal
| | - Manuela E. Gomes
- 3B's Research Group i3Bs – Research Institute on Biomaterials, Biodegradables and Biomimetics University of Minho Barco Guimarães 4805‐017 Portugal
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25
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CD40L-expressing CD4+ T cells prime adipose-derived stromal cells to produce inflammatory chemokines. Cytotherapy 2022; 24:500-507. [DOI: 10.1016/j.jcyt.2022.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 12/21/2021] [Accepted: 01/20/2022] [Indexed: 11/18/2022]
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26
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Abdelrahman TA, Motawea A, El-Dahhan MS, Abdelghani GM. Chitosan-dipotassium orthophosphate lyophilizate: a novel in situ thermogel carrier system of allogeneic platelet lysate growth factors. Drug Deliv 2022; 29:413-426. [PMID: 35098833 PMCID: PMC8812773 DOI: 10.1080/10717544.2022.2030429] [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: 11/28/2022] Open
Abstract
The clinical success of platelet-rich plasma (PRP) is constrained by its limited mechanical strength, rapid disintegration by lytic enzymes, and the consequent short-term release of bioactive growth factors (GFs). Recently, attempts to formulate PRP and other hemoderivatives, such as platelet lysate (PL) have been underway. The current study aimed to formulate allogeneic freeze-dried human platelet lysate (HPL) onto lyophilized chitosan - dipotassium hydrogen orthophosphate (CS/DHO) thermo-sensitive scaffolds. A systemic approach was employed to optimize freeze-drying (FD) procedures targeting predefined critical quality attributes (CQAs). Thermal behavior, vibrational spectroscopy, morphological and moisture content analyses were used to detect possible protein destabilization during formulation and suboptimal cake properties. The effect of CS/DHO concentrations on thermo-responsiveness and release kinetics were investigated. Finally, six-months stability and cytotoxicity studies were carried out. An optimized lyophilizate was attainable with residual moisture of less than 5% and thermoresponsive to 33 °C in less than 3 min. HPL proteins were sustainedly released over five days in a pH-sensitive manner. The stability study indicated plausible physical and biochemical stability. Cell viability testing supported the cytocompatibility of the system. Finally, the lyophilizate variant of CS/DHO thermogel overcomes limited storage stability previously posed as a challenge in freshly prepared thermogels. The developed system overcomes the drawbacks of currently used PRP treatment and provides a novel GF-rich scaffold for wound repair.
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Affiliation(s)
- Toaa A Abdelrahman
- Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Amira Motawea
- Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Marwa S El-Dahhan
- Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Galal M Abdelghani
- Department of Pharmaceutics, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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27
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Khongjaroensakun N, Paisooksantivatana K, Santiwatana S, Tawonsawatruk T, Kusolthammarat K, Kadegasem P, Tangbubpha N, Chantaraamporn J, Chuansumrit A. A Simple and Applicable Method for Human Platelet Lysate Preparation Using Citrate Blood. Lab Med 2022; 53:e109-e112. [PMID: 35016203 DOI: 10.1093/labmed/lmab116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVES To determine and compare the platelet growth factors in human platelet lysate (HPL) prepared from citrated whole blood, with final centrifugations at 4oC and 25oC. METHODS We collected specimens of citrated whole blood from 27 healthy volunteers. The platelet-rich plasma (PRP) was separated to prepare the HPL, which was further divided into 2 portions for the final centrifugation, at 4oC and 25oC, respectively. Platelet growth factors were measured and compared between the 2 groups. RESULTS All platelet growth factors were higher than those in PRP prepared from citrated whole blood. Moreover, the final centrifugation at 25oC resulted in noninferiority of platelet-growth-factor level. CONCLUSION This study provided a simple method for small-volume of HPL preparation using only 10-15 mL of citrated whole blood. Further, the entire process of centrifugation can be performed at room temperature of 25oC, which is more applicable than lower temperatures for other laboratories.
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Affiliation(s)
- Narin Khongjaroensakun
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Karan Paisooksantivatana
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Suttikarn Santiwatana
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand.,Vejthani Hospital, Bangkok, Thailand
| | - Tulyapruek Tawonsawatruk
- Department of Orthopedics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Kantarat Kusolthammarat
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand.,Department of Pathology, Prince of Songkla University, Songkhla, Thailand
| | - Praguywan Kadegasem
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Noppawan Tangbubpha
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Juthamard Chantaraamporn
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
| | - Ampaiwan Chuansumrit
- Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Thailand
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28
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Zhang Q, Yang T, Zhang R, Liang X, Wang G, Tian Y, Xie L, Tian W. Platelet lysate functionalized gelatin methacrylate microspheres for improving angiogenesis in endodontic regeneration. Acta Biomater 2021; 136:441-455. [PMID: 34551330 DOI: 10.1016/j.actbio.2021.09.024] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 02/06/2023]
Abstract
Rapid angiogenesis is one of the challenges in endodontic regeneration. Recently, tailored polymeric microsphere system that loaded pro-angiogenic growth factors (GFs) is promising in facilitating vascularization in dental pulp regeneration. In addition, the synergistic effect of multiple GFs is considered more beneficial, but combination usage of them is rather complex and costly. Herein, we aimed to incorporate human platelet lysate (PL), a natural-derived pool of multiple GFs, into gelatin methacrylate (GelMA) microsphere system (GP), which was further modified by Laponite (GPL), a nanoclay with efficient drug delivery ability. These hybrid microspheres were successfully fabricated by electrostatic microdroplet technique with suitable size range (180∼380 µm). After incorporation of the PL and Laponite with GelMA, the Young's modulus of the hybrid hydrogel increased up to about 3-fold and the swelling and degradation rate decreased simultaneously. The PL-derived GFs continued to release up to 28 days from both the GP and GPL microspheres, while the latter released relatively more slowly. What's more, the released GFs could effectively induce tubule formation of human umbilical endothelial cells (HUVECs) and also promote human dental pulp stem cells (hDPSCs) migration. Additionally, the PL component in the GelMA microspheres significantly improved the proliferation, spreading, and odontogenic differentiation of the encapsulated hDPSCs. As further verified by the subcutaneous implantation results, both of the GP and GPL groups enhanced microvascular formation and pulp-like tissue regeneration. This work demonstrated that PL-incorporating GelMA microsphere system was a promising functional vehicle for promoting vascularized endodontic regeneration. STATEMENT OF SIGNIFICANCE: Polymeric microsphere system loaded with pro-angiogenic growth factors (GFs) shows great promise for regeneration of vascularized dental pulp. Herein, we prepared a functional GelMA microsphere system incorporated with human platelet lysates (PL) and nanoclay Laponite by the electrostatic microdroplet method. The results demonstrated that the GelMA/PL/Laponite microspheres significantly improved the spreading, proliferation, and odontogenic differentiation of the encapsulated hDPSCs compared with pure GelMA microspheres. Moreover, they also enhanced microvascular formation and pulp-like tissue regeneration in vivo. This hybrid microsphere system has great potential to accelerate microvessel formation in regenerated dental pulp and other tissues.
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29
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Rahman M, Garcia N, Loh Y, Marks D, Banakh I, Jagadeesan P, Cameron N, Yung-Chih C, Costa M, Peter K, Cleland H, Akbarzadeh S. A platelet-derived hydrogel improves neovascularisation in full thickness wounds. Acta Biomater 2021; 136:199-209. [PMID: 34587524 DOI: 10.1016/j.actbio.2021.09.043] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 12/15/2022]
Abstract
Platelets are a reservoir of growth factors, cytokines and chemokines involved in spontaneous wound repair. In this study, a platelet-rich and fibrin-rich hydrogel was generated from expired platelet components that would have otherwise been transfused. The material contained physiological concentrations of transforming growth factor β1 (TGF-β1, platelet-derived growth factor AB (PDGF-AB), PDGF-BB, insulin-like growth factor-1 (IGF-1), fibroblast growth factor 2 (FGF-2), and epidermal growth factor (EGF). The effect of the hydrogel on wound repair was investigated in SKH-1 mice. Full thickness dorsal wounds were created on the mice and treated with the hydrogel at various concentrations. Immunohistochemical staining with CD31 (endothelial cell marker) revealed that wounds treated with the hydrogel showed significantly enhanced vascularisation in the wound bed. Moreover, high levels of interleukin-6 (IL-6) and KC (IL-8 functional homologue) in treated wounds were sustained over a longer period of time, compared to untreated wounds. We postulate that sustained IL-6 is a driver, at least partly, of enhanced vascularisation in full thickness wounds treated with the hydrogel. Future work is needed to explore whether this hydrogel can be utilised as a treatment option when vascularisation is a critical limitation. STATEMENT OF SIGNIFICANCE: The economic cost of wound repair is estimated in billions of dollars each year. In many cases time required to vascularise wounds is a major contributor to slow wound repair. In this study, we developed a blood-derived platelet- and fibrin-rich hydrogel. It contains a number of growth factors actively involved in spontaneous wound healing. This hydrogel significantly improved dermal repair and vascularisation in a full-thickness wound mouse model. This study provides an action mechanism for modulation of localised inflammation.
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30
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Shanbhag S, Kampleitner C, Mohamed-Ahmed S, Yassin MA, Dongre H, Costea DE, Tangl S, Hassan MN, Stavropoulos A, Bolstad AI, Suliman S, Mustafa K. Ectopic Bone Tissue Engineering in Mice Using Human Gingiva or Bone Marrow-Derived Stromal/Progenitor Cells in Scaffold-Hydrogel Constructs. Front Bioeng Biotechnol 2021; 9:783468. [PMID: 34917602 PMCID: PMC8670384 DOI: 10.3389/fbioe.2021.783468] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Accepted: 11/16/2021] [Indexed: 01/22/2023] Open
Abstract
Three-dimensional (3D) spheroid culture can promote the osteogenic differentiation and bone regeneration capacity of mesenchymal stromal cells (MSC). Gingiva-derived progenitor cells (GPC) represent a less invasive alternative to bone marrow MSC (BMSC) for clinical applications. The aim of this study was to test the in vivo bone forming potential of human GPC and BMSC cultured as 3D spheroids or dissociated cells (2D). 2D and 3D cells encapsulated in constructs of human platelet lysate hydrogels (HPLG) and 3D-printed poly (L-lactide-co-trimethylene carbonate) scaffolds (HPLG-PLATMC) were implanted subcutaneously in nude mice; cell-free HPLG-PLATMC constructs served as a control. Mineralization was assessed using micro-computed tomography (µCT), histology, scanning electron microscopy (SEM) and in situ hybridization (ISH). After 4–8 weeks, µCT revealed greater mineralization in 3D-BMSC vs. 2D-BMSC and 3D-GPC (p < 0.05), and a similar trend in 2D-GPC vs. 2D-BMSC (p > 0.05). After 8 weeks, greater mineralization was observed in cell-free constructs vs. all 2D- and 3D-cell groups (p < 0.05). Histology and SEM revealed an irregular but similar mineralization pattern in all groups. ISH revealed similar numbers of 2D and 3D BMSC/GPC within and/or surrounding the mineralized areas. In summary, spheroid culture promoted ectopic mineralization in constructs of BMSC, while constructs of dissociated GPC and BMSC performed similarly. The combination of HPLG and PLATMC represents a promising scaffold for bone tissue engineering applications.
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Affiliation(s)
- Siddharth Shanbhag
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
- *Correspondence: Siddharth Shanbhag, ; Kamal Mustafa,
| | - Carina Kampleitner
- Ludwig Boltzmann Institute for Traumatology, The Research Center in Cooperation With AUVA, Vienna, Austria
- Karl Donath Laboratory for Hard Tissue and Biomaterial Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Samih Mohamed-Ahmed
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Mohammed Ahmad Yassin
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Harsh Dongre
- Gade Laboratory for Pathology, Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway
- Centre for Cancer Biomarkers (CCBIO), Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Daniela Elena Costea
- Gade Laboratory for Pathology, Department of Clinical Medicine, Faculty of Medicine, University of Bergen, Bergen, Norway
- Centre for Cancer Biomarkers (CCBIO), Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Stefan Tangl
- Karl Donath Laboratory for Hard Tissue and Biomaterial Research, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Mohamad Nageeb Hassan
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Andreas Stavropoulos
- Department of Periodontology, Faculty of Odontology, Malmö University, Malmö, Sweden
- Division of Conservative Dentistry and Periodontology, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria
| | - Anne Isine Bolstad
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Salwa Suliman
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Kamal Mustafa
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
- *Correspondence: Siddharth Shanbhag, ; Kamal Mustafa,
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Shanbhag S, Suliman S, Mohamed-Ahmed S, Kampleitner C, Hassan MN, Heimel P, Dobsak T, Tangl S, Bolstad AI, Mustafa K. Bone regeneration in rat calvarial defects using dissociated or spheroid mesenchymal stromal cells in scaffold-hydrogel constructs. Stem Cell Res Ther 2021; 12:575. [PMID: 34776000 PMCID: PMC8591809 DOI: 10.1186/s13287-021-02642-w] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 10/22/2021] [Indexed: 12/20/2022] Open
Abstract
Background Three-dimensional (3D) spheroid culture can promote the osteogenic differentiation of bone marrow mesenchymal stromal cells (BMSC). 3D printing offers the possibility to produce customized scaffolds for complex bone defects. The aim of this study was to compare the potential of human BMSC cultured as 2D monolayers or 3D spheroids encapsulated in constructs of 3D-printed poly-L-lactide-co-trimethylene carbonate scaffolds and modified human platelet lysate hydrogels (PLATMC-HPLG) for bone regeneration. Methods PLATMC-HPLG constructs with 2D or 3D BMSC were assessed for osteogenic differentiation based on gene expression and in vitro mineralization. Subsequently, PLATMC-HPLG constructs with 2D or 3D BMSC were implanted in rat calvarial defects for 12 weeks; cell-free constructs served as controls. Bone regeneration was assessed via in vivo computed tomography (CT), ex vivo micro-CT and histology. Results Osteogenic gene expression was significantly enhanced in 3D versus 2D BMSC prior to, but not after, encapsulation in PLATMC-HPLG constructs. A trend for greater in vitro mineralization was observed in constructs with 3D versus 2D BMSC (p > 0.05). In vivo CT revealed comparable bone formation after 4, 8 and 12 weeks in all groups. After 12 weeks, micro-CT revealed substantial regeneration in 2D BMSC (62.47 ± 19.46%), 3D BMSC (51.01 ± 24.43%) and cell-free PLATMC-HPLG constructs (43.20 ± 30.09%) (p > 0.05). A similar trend was observed in the histological analysis. Conclusion Despite a trend for superior in vitro mineralization, constructs with 3D and 2D BMSC performed similarly in vivo. Regardless of monolayer or spheroid cell culture, PLATMC-HPLG constructs represent promising scaffolds for bone tissue engineering applications. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02642-w.
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Affiliation(s)
- Siddharth Shanbhag
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5009, Bergen, Norway. .,Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway.
| | - Salwa Suliman
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5009, Bergen, Norway
| | - Samih Mohamed-Ahmed
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5009, Bergen, Norway
| | - Carina Kampleitner
- Core Facility Hard Tissue and Biomaterial Research/Karl Donath Laboratory, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Institute for Traumatology, The research center in cooperation with AUVA, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Mohamed Nageeb Hassan
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5009, Bergen, Norway
| | - Patrick Heimel
- Core Facility Hard Tissue and Biomaterial Research/Karl Donath Laboratory, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Ludwig Boltzmann Institute for Traumatology, The research center in cooperation with AUVA, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Toni Dobsak
- Core Facility Hard Tissue and Biomaterial Research/Karl Donath Laboratory, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Stefan Tangl
- Core Facility Hard Tissue and Biomaterial Research/Karl Donath Laboratory, University Clinic of Dentistry, Medical University of Vienna, Vienna, Austria.,Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Anne Isine Bolstad
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5009, Bergen, Norway
| | - Kamal Mustafa
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5009, Bergen, Norway.
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Shanbhag S, Rashad A, Nymark EH, Suliman S, de Lange Davies C, Stavropoulos A, Bolstad AI, Mustafa K. Spheroid Coculture of Human Gingiva-Derived Progenitor Cells With Endothelial Cells in Modified Platelet Lysate Hydrogels. Front Bioeng Biotechnol 2021; 9:739225. [PMID: 34513817 PMCID: PMC8427051 DOI: 10.3389/fbioe.2021.739225] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 08/12/2021] [Indexed: 01/12/2023] Open
Abstract
Cell coculture strategies can promote angiogenesis within tissue engineering constructs. This study aimed to test the angiogenic potential of human umbilical vein endothelial cells (HUVEC) cocultured with gingiva-derived progenitor cells (GPC) as spheroids in a xeno-free environment. Human platelet lysate (HPL) was used as a cell culture supplement and as a hydrogel matrix (HPLG) for spheroid encapsulation. HUVEC and HUVEC + GPC (1:1 or 5:1) spheroids were encapsulated in various HPLG formulations. Angiogenesis was assessed via in vitro sprouting and in vivo chick chorioallantoic membrane (CAM) assays. HUVEC revealed characteristic in vitro sprouting in HPL/HPLG and this was significantly enhanced in cocultures with GPC (p < 0.05). A trend for greater sprouting was observed in 5:1 vs 1:1 HUVEC + GPC spheroids and in certain HPLG formulations (p > 0.05). Both HUVEC and HUVEC + GPC spheroids in HPLG revealed abundant and comparable neoangiogenesis in the CAM assay (p > 0.05). Spheroid coculture of HUVEC + GPC in HPLG represents a promising strategy to promote angiogenesis.
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Affiliation(s)
- Siddharth Shanbhag
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway.,Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
| | - Ahmad Rashad
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Ellen Helgeland Nymark
- Department of Physics, Norwegian University of Science and Technology, Trondheim, Norway
| | - Salwa Suliman
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | | | - Andreas Stavropoulos
- Department of Periodontology, Faculty of Odontology, Malmö University, Malmö, Sweden.,Division of Regenerative Medicine and Periodontology, University Clinics of Dental Medicine, University of Geneva, Geneva, Switzerland
| | - Anne Isine Bolstad
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
| | - Kamal Mustafa
- Center for Translational Oral Research (TOR), Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Bergen, Norway
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Nilson R, Lübbers O, Weiß L, Singh K, Scharffetter-Kochanek K, Rojewski M, Schrezenmeier H, Zeplin PH, Funk W, Krutzke L, Kochanek S, Kritzinger A. Transduction Enhancers Enable Efficient Human Adenovirus Type 5-Mediated Gene Transfer into Human Multipotent Mesenchymal Stromal Cells. Viruses 2021; 13:v13061136. [PMID: 34204818 PMCID: PMC8231506 DOI: 10.3390/v13061136] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/07/2021] [Accepted: 06/10/2021] [Indexed: 12/21/2022] Open
Abstract
Human multipotent mesenchymal stromal cells (hMSCs) are currently developed as cell therapeutics for different applications, including regenerative medicine, immune modulation, and cancer treatment. The biological properties of hMSCs can be further modulated by genetic engineering. Viral vectors based on human adenovirus type 5 (HAdV-5) belong to the most frequently used vector types for genetic modification of human cells in vitro and in vivo. However, due to a lack of the primary attachment receptor coxsackievirus and adenovirus receptor (CAR) in hMSCs, HAdV-5 vectors are currently not suitable for transduction of this cell type without capsid modification. Here we present several transduction enhancers that strongly enhance HAdV-5-mediated gene transfer into both bone marrow- and adipose tissue-derived hMSCs. Polybrene, poly-l-lysine, human lactoferrin, human blood coagulation factor X, spermine, and spermidine enabled high eGFP expression levels in hMSCs. Importantly, hMSCs treated with enhancers were not affected in their migration behavior, which is a key requisite for many therapeutic applications. Exemplary, strongly increased expression of tumor necrosis factor (TNF)-stimulated gene 6 (TSG-6) (a secreted model therapeutic protein) was achieved by enhancer-facilitated HAdV-5 transduction. Thus, enhancer-mediated HAdV-5 vector transduction is a valuable method for the engineering of hMSCs, which can be further exploited for the development of innovative hMSC therapeutics.
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Affiliation(s)
- Robin Nilson
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany; (R.N.); (O.L.); (L.W.); (L.K.); (A.K.)
| | - Olivia Lübbers
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany; (R.N.); (O.L.); (L.W.); (L.K.); (A.K.)
| | - Linus Weiß
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany; (R.N.); (O.L.); (L.W.); (L.K.); (A.K.)
| | - Karmveer Singh
- Department of Dermatology and Allergology, University Medical Center Ulm, 89081 Ulm, Germany; (K.S.); (K.S.-K.)
| | - Karin Scharffetter-Kochanek
- Department of Dermatology and Allergology, University Medical Center Ulm, 89081 Ulm, Germany; (K.S.); (K.S.-K.)
| | - Markus Rojewski
- Institute for Transfusion Medicine, University Medical Center Ulm, 89081 Ulm, Germany; (M.R.); (H.S.)
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service, 89081 Ulm, Germany
| | - Hubert Schrezenmeier
- Institute for Transfusion Medicine, University Medical Center Ulm, 89081 Ulm, Germany; (M.R.); (H.S.)
- Institute for Clinical Transfusion Medicine and Immunogenetics Ulm, German Red Cross Blood Donation Service, 89081 Ulm, Germany
| | - Philip Helge Zeplin
- Schlosspark Klinik Ludwigsburg, Privatklinik für Plastische und Ästhetische Chirurgie, 71638 Ludwigsburg, Germany;
| | | | - Lea Krutzke
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany; (R.N.); (O.L.); (L.W.); (L.K.); (A.K.)
| | - Stefan Kochanek
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany; (R.N.); (O.L.); (L.W.); (L.K.); (A.K.)
- Correspondence: ; Tel.: +49-73150046103
| | - Astrid Kritzinger
- Department of Gene Therapy, University Medical Center Ulm, 89081 Ulm, Germany; (R.N.); (O.L.); (L.W.); (L.K.); (A.K.)
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Oeller M, Laner-Plamberger S, Krisch L, Rohde E, Strunk D, Schallmoser K. Human Platelet Lysate for Good Manufacturing Practice-Compliant Cell Production. Int J Mol Sci 2021; 22:ijms22105178. [PMID: 34068404 PMCID: PMC8153614 DOI: 10.3390/ijms22105178] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 02/06/2023] Open
Abstract
Numerous cell-based therapeutics are currently being tested in clinical trials. Human platelet lysate (HPL) is a valuable alternative to fetal bovine serum as a cell culture medium supplement for a variety of different cell types. HPL as a raw material permits animal serum-free cell propagation with highly efficient stimulation of cell proliferation, enabling humanized manufacturing of cell therapeutics within a reasonable timeframe. Providers of HPL have to consider dedicated quality issues regarding identity, purity, potency, traceability and safety. Release criteria have to be defined, characterizing the suitability of HPL batches for the support of a specific cell culture. Fresh or expired platelet concentrates from healthy blood donors are the starting material for HPL preparation, according to regulatory requirements. Pooling of individual platelet lysate units into one HPL batch can balance donor variation with regard to essential platelet-derived growth factors and cytokines. The increasingly applied pathogen reduction technologies will further increase HPL safety. In this review article, aspects and regulatory requirements of whole blood donation and details of human platelet lysate manufacturing are presented. International guidelines for raw materials are discussed, and defined quality controls, as well as release criteria for safe and GMP-compliant HPL production, are summarized.
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Affiliation(s)
- Michaela Oeller
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
| | - Sandra Laner-Plamberger
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
| | - Linda Krisch
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
- Cell Therapy Institute, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
| | - Eva Rohde
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
- GMP Laboratory, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
| | - Dirk Strunk
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
- Cell Therapy Institute, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
| | - Katharina Schallmoser
- Department of Transfusion Medicine, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria; (M.O.); (S.L.-P.); (L.K.); (E.R.)
- Spinal Cord Injury and Tissue Regeneration Center Salzburg, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria;
- GMP Laboratory, Paracelsus Medical University of Salzburg, 5020 Salzburg, Austria
- Correspondence:
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Nouri Barkestani M, Naserian S, Uzan G, Shamdani S. Post-decellularization techniques ameliorate cartilage decellularization process for tissue engineering applications. J Tissue Eng 2021; 12:2041731420983562. [PMID: 33738088 PMCID: PMC7934046 DOI: 10.1177/2041731420983562] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 12/06/2020] [Indexed: 12/17/2022] Open
Abstract
Due to the current lack of innovative and effective therapeutic approaches, tissue engineering (TE) has attracted much attention during the last decades providing new hopes for the treatment of several degenerative disorders. Tissue engineering is a complex procedure, which includes processes of decellularization and recellularization of biological tissues or functionalization of artificial scaffolds by active cells. In this review, we have first discussed those conventional steps, which have led to great advancements during the last several years. Moreover, we have paid special attention to the new methods of post-decellularization that can significantly ameliorate the efficiency of decellularized cartilage extracellular matrix (ECM) for the treatment of osteoarthritis (OA). We propose a series of post-decellularization procedures to overcome the current shortcomings such as low mechanical strength and poor bioactivity to improve decellularized ECM scaffold towards much more efficient and higher integration.
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Affiliation(s)
| | - Sina Naserian
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,Université Paris-Saclay, CNRS, Centre de Nanosciences et Nanotechnologies C2N, UMR9001, Palaiseau, France.,CellMedEx, Saint Maur Des Fossés, France
| | - Georges Uzan
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,Paris-Saclay University, Villejuif, France
| | - Sara Shamdani
- INSERM UMR-S-MD 1197, Hôpital Paul Brousse, Villejuif, France.,CellMedEx, Saint Maur Des Fossés, France
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Expansion and characterization of bone marrow derived human mesenchymal stromal cells in serum-free conditions. Sci Rep 2021; 11:3403. [PMID: 33564114 PMCID: PMC7873235 DOI: 10.1038/s41598-021-83088-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 01/26/2021] [Indexed: 12/12/2022] Open
Abstract
Bone marrow-derived mesenchymal stromal cells (BM-MSCs) are gaining increasing importance in the field of regenerative medicine. Although therapeutic value of MSCs is now being established through many clinical trials, issues have been raised regarding their expansion as per regulatory guidelines. Fetal bovine serum usage in cell therapy poses difficulties due to its less-defined, highly variable composition and safety issues. Hence, there is a need for transition from serum-based to serum-free media (SFM). Since SFM are cell type-specific, a precise analysis of the properties of MSCs cultured in SFM is required to determine the most suitable one. Six different commercially available low serum/SFM with two different seeding densities were evaluated to explore their ability to support the growth and expansion of BM-MSCs and assess the characteristics of BM-MSCs cultured in these media. Except for one of the SFM, all other media tested supported the growth of BM-MSCs at a low seeding density. No significant differences were observed in the expression of MSC specific markers among the various media tested. In contrary, the population doubling time, cell yield, potency, colony-forming ability, differentiation potential, and immunosuppressive properties of MSCs varied with one another. We show that SFM tested supports the growth and expansion of BM-MSCs even at low seeding density and may serve as possible replacement for animal-derived serum.
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Meftahpour V, Malekghasemi S, Baghbanzadeh A, Aghebati-Maleki A, Pourakbari R, Fotouhi A, Aghebati-Maleki L. Platelet lysate: a promising candidate in regenerative medicine. Regen Med 2021; 16:71-85. [PMID: 33543999 DOI: 10.2217/rme-2020-0065] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Human platelet lysate has attracted much interest from many researchers as it is growth-factor rich for cell expansion, which is employed as a new therapeutic strategy. Not only are human platelet lysates used for cell therapy, but they are also used for the completion of basal media in mesenchymal stem cell cultures. Due to the presence of a large number of growth factors, platelet lysates have potential roles in wound healing, treatment of ocular graft-versus-host disease, osteoarthritis, Parkinson's disease, tendon regeneration, infertility, androgenetic alopecia, nerve repair and regenerative tissue, such as bone regeneration. In this review, we summarize that platelet lysates could be valuable candidates for the treatment of a variety of diseases in regenerative medicine.
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Affiliation(s)
- Vafa Meftahpour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, 51656 65811, Iran
| | - Somaiyeh Malekghasemi
- Department of Basic Oncology, Oncology Institute, Hacettepe University, Sihhiye, Ankara, TR-06100, Turkey
| | - Amir Baghbanzadeh
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 51656 65811, Iran
| | - Ali Aghebati-Maleki
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, 51656 65811, Iran
| | - Ramin Pourakbari
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, 51656 65811, Iran
| | - Ali Fotouhi
- Department of Orthopedic Surgery, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, 51656 65811, Iran
| | - Leili Aghebati-Maleki
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, 51656 65811, Iran.,Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, 51656 65811, Iran
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Bianchi E, Ruggeri M, Rossi S, Vigani B, Miele D, Bonferoni MC, Sandri G, Ferrari F. Innovative Strategies in Tendon Tissue Engineering. Pharmaceutics 2021; 13:89. [PMID: 33440840 PMCID: PMC7827834 DOI: 10.3390/pharmaceutics13010089] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/31/2020] [Accepted: 01/08/2021] [Indexed: 12/15/2022] Open
Abstract
The tendon is a highly aligned connective tissue that transmits force from muscle to bone. Each year, more than 32 million tendon injuries have been reported, in fact, tendinopathies represent at least 50% of all sports injuries, and their incidence rates have increased in recent decades due to the aging population. Current clinical grafts used in tendon treatment are subject to several restrictions and there is a significant demand for alternative engineered tissue. For this reason, innovative strategies need to be explored. Tendon replacement and regeneration are complex since scaffolds need to guarantee an adequate hierarchical structured morphology and mechanical properties to stand the load. Moreover, to guide cell proliferation and growth, scaffolds should provide a fibrous network that mimics the collagen arrangement of the extracellular matrix in the tendons. This review focuses on tendon repair and regeneration. Particular attention has been devoted to the innovative approaches in tissue engineering. Advanced manufacturing techniques, such as electrospinning, soft lithography, and three-dimensional (3D) printing, have been described. Furthermore, biological augmentation has been considered, as an emerging strategy with great therapeutic potential.
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Affiliation(s)
| | | | | | | | | | | | - Giuseppina Sandri
- Department of Drug Sciences, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy; (E.B.); (M.R.); (S.R.); (B.V.); (D.M.); (M.C.B.); (F.F.)
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Interferon-α-Induced Dendritic Cells Generated with Human Platelet Lysate Exhibit Elevated Antigen Presenting Ability to Cytotoxic T Lymphocytes. Vaccines (Basel) 2020; 9:vaccines9010010. [PMID: 33374342 PMCID: PMC7823331 DOI: 10.3390/vaccines9010010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/21/2020] [Accepted: 12/21/2020] [Indexed: 01/06/2023] Open
Abstract
Given the recent advancements of immune checkpoint inhibitors, there is considerable interest in cancer immunotherapy provided through dendritic cell (DC)-based vaccination. Although many studies have been conducted to determine the potency of DC vaccines against cancer, the clinical outcomes are not yet optimal, and further improvement is necessary. In this study, we evaluated the potential ability of human platelet lysate (HPL) to produce interferon-α-induced DCs (IFN-DCs). In the presence of HPL, IFN-DCs (HPL-IFN-DCs) displayed high viability, yield, and purity. Furthermore, HPL-IFN-DCs displayed increased CD14, CD56, and CCR7 expressions compared with IFN-DCs produced without HPL; HPL-IFN-DCs induced an extremely higher number of antigen-specific cytotoxic T lymphocytes (CTLs) than IFN-DCs, which was evaluated with a human leukocyte antigen (HLA)-restricted melanoma antigen recognized by T cells 1 (MART-1) peptide. Additionally, the endocytic and proteolytic activities of HPL-IFN-DCs were increased. Cytokine production of interleukin (IL)-6, IL-10, and tumor necrosis factor (TNF)-α was also elevated in HPL-IFN-DCs, which may account for the enhanced CTL, endocytic, and proteolytic activities. Our findings suggest that ex-vivo-generated HPL-IFN-DCs are a novel monocyte-derived type of DC with high endocytic and proteolytic activities, thus highlighting a unique strategy for DC-based immunotherapies.
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Tang Q, Lim T, Shen LY, Zheng G, Wei XJ, Zhang CQ, Zhu ZZ. Well-dispersed platelet lysate entrapped nanoparticles incorporate with injectable PDLLA-PEG-PDLLA triblock for preferable cartilage engineering application. Biomaterials 2020; 268:120605. [PMID: 33360073 DOI: 10.1016/j.biomaterials.2020.120605] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 12/08/2020] [Accepted: 12/11/2020] [Indexed: 01/02/2023]
Abstract
Platelet lysate (PL) as a cost-effective cocktail of growth factors is an emerging ingredient in regenerative medicine, especially in cartilage tissue engineering. However, most studies fail to pay attention to PL's intrinsic characteristics and incorporate it directly with scaffolds or hydrogels by simple mixture. Currently, the particle size distribution of PL was determined to be scattered. Directly introducing PL into a thermosensitive poly(d,l-lactide)-poly(ethylene glycol)-poly(d,l-lactide) (PLEL) hydrogel disturbed its sol-gel transition. Electrostatic self-assembly heparin (Hep) and ε-poly-l-lysine (EPL) nanoparticles (NPs) were fabricated to improve the dispersity of PL. Such PL-NPs-incorporated PLEL gels retained the initial gelling capacity and showed a long-term PL-releasing ability. Moreover, the PL-loaded composite hydrogels inhibited the inflammatory response and dedifferentiation of IL-1β-induced chondrocytes. For in vivo applications, the PLEL@PL-NPs system ameliorated the early cartilage degeneration and promoted cartilage repair in the late stage of osteoarthritis. RNA sequencing analysis indicated that PL's protective effects might be associated with modulating hyaluronan synthase 1 (HAS-1) expression. Taken together, these results suggest that well-dispersed PL by Hep/EPL NPs is a preferable approach for its incorporation into hydrogels and the constructed PLEL@PL-NPs system is a promising cell-free and stepwise treatment option for cartilage tissue engineering.
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Affiliation(s)
- Qian Tang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Thou Lim
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China
| | - Li-Yan Shen
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi Road, 325027 Wenzhou, China
| | - Gang Zheng
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi Road, 325027 Wenzhou, China
| | - Xiao-Juan Wei
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China.
| | - Chang-Qing Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China.
| | - Zhen-Zhong Zhu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Shanghai Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, China.
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Adipose Tissue-Derived Stromal Cells Induce a Highly Trophic Environment While Reducing Maturation of Monocyte-Derived Dendritic Cells. Stem Cells Int 2020; 2020:8868909. [PMID: 33163080 PMCID: PMC7607274 DOI: 10.1155/2020/8868909] [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: 06/09/2020] [Revised: 10/06/2020] [Accepted: 10/10/2020] [Indexed: 11/17/2022] Open
Abstract
Allogeneic cell-based therapies using adipose tissue-derived stromal cells (ASCs) offer an off-the-shelf alternative to autologous therapy. An underlying assumption is that ASC can modulate the immune response of the recipient. However, in vitro models are required to explore and identify cell interactions and mechanisms of action, to ensure sufficient and sustained effects, and to document these. In this study, we shed light on the effect of ASC manufactured for clinical use on monocyte-derived dendritic cells and an inflammatory microenvironment. ASCs were isolated from healthy voluntary donors, expanded using a human platelet lysate in bioreactors, and cryopreserved as per clinical use. Monocyte-derived dendritic cells were generated by isolation of monocytes and differentiation with GM-CSF and IL-4. Dendritic cells were cocultured with different ratios of ASC and matured with LPS and IFN-γ. Dexamethasone was included as an immunosuppressive control. Dendritic cells were analyzed by flow cytometry for CD11c, CD40, CD80, CD83, CD86, PD-L1, and HLA-DR, and supernatants were analyzed for FGF2, HGF, IL-10, IL-12p70, LIF, MIF, PDGF, PlGF, and IDO. Reduced expression of maturation markers was observed on ASC-treated dendritic cells, while high levels of PD-L1 were maintained. Interestingly, the expression of CD83 was elevated. Escalating ratios of ASC did not affect the concentration of IL-10 considerably, whereas the presence of IL-12 was reduced in a dose-dependent manner. Besides offsetting the IL-12/IL-10 balance, the concentrations of IDO and MIF were elevated in cocultures. Concentrations of FGF2, HGF, LIF, and PIGF were high in ASC cocultures, whereas PDGF was depleted. In a robust coculture model, the addition of ASC to dendritic cells inhibited the dendritic maturation substantially, while inducing a less inflammatory and more tolerogenic milieu. Despite the exposure to dendritic cells and inflammatory stimuli, ASC resulted in supernatants with trophic factors relevant for regeneration. Thus, ASC can perform immunomodulation while providing a regenerative environment.
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Cheng NC, Tu YK, Lee NH, Young TH. Influence of Human Platelet Lysate on Extracellular Matrix Deposition and Cellular Characteristics in Adipose-Derived Stem Cell Sheets. Front Cell Dev Biol 2020; 8:558354. [PMID: 33195191 PMCID: PMC7642065 DOI: 10.3389/fcell.2020.558354] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Accepted: 09/22/2020] [Indexed: 12/13/2022] Open
Abstract
Adipose-derived stem cell (ASC) is a valuable source of cell therapy. By stimulating extracellular matrix (ECM) secretion, ASC sheets can be fabricated with enhanced regenerative capabilities. In recent years, human platelet lysate (HPL) provides an attractive alternative to fetal bovine serum (FBS) for the ex vivo expansion of ASCs for clinical use. However, the effect of HPL on ASC sheet formation has not been previously determined. In this study, we compared ECM composition and cellular characteristics of ASC sheets cultured in growth medium supplemented with either FBS or HPL. HPL supplement significantly enhanced ASC proliferation without obvious change in the expression pattern of cell surface markers. We found that culturing ASCs with HPL rendered thicker cell sheets with significantly more ECM deposition, including collagen and fibronectin. Proteomic analysis of the FBS or HPL-cultured cell sheets showed diversity in ECM composition. HPL-cultured ASC sheets exhibited up-regulation of interleukin-6 and an anti-inflammatory cytokine, C1q/tumor necrosis factor-related protein-3. Conditioned medium of HPL-cultured ASC sheets significantly enhanced fibroblast migration and tube formation of endothelial cells in vitro, while it inhibited the migration of macrophages toward stimulated macrophages in vitro. TGF-β1-stimulated fibroblasts cultured in ASC sheet-conditioned medium showed down-regulation of α-SMA and TGF-β1. By adding an anti-hepatocyte growth factor (HGF) neutralizing antibody in conditioned medium, we indicated that an anti-fibrosis effect of HPL-cultured ASC sheets is partially mediated through the increased secretion of HGF. Moreover, chick embryo chorioallantoic membrane (CAM) assay showed comparable capillary density after applying either FBS or HPL-cultured ASC sheets, both of which were significantly higher than the control. In conclusion, robust ECM formation with altered ECM composition was noted in ASC sheets cultured in HPL-supplemented medium. Their immunomodulatory and pro-angiogenesis capabilities were largely maintained. Our findings paved the way to elucidate the potential of HPL-cultured ASC sheets for clinical application in tissue regeneration.
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Affiliation(s)
- Nai-Chen Cheng
- Department of Surgery, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Yuan-Kun Tu
- Department of Orthopedics, E-Da Hospital/I-Shou University, Kaohsiung, Taiwan
| | - Ning-Hsu Lee
- Institute of Biomedical Engineering, College of Medicine, College of Engineering, National Taiwan University, Taipei, Taiwan
| | - Tai-Horng Young
- Institute of Biomedical Engineering, College of Medicine, College of Engineering, National Taiwan University, Taipei, Taiwan
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Cao B, Dai X. Platelet lysate induces chondrogenic differentiation of umbilical cord-derived mesenchymal stem cells by regulating the lncRNA H19/miR-29b-3p/SOX9 axis. FEBS Open Bio 2020; 10:2656-2665. [PMID: 33058414 PMCID: PMC7714074 DOI: 10.1002/2211-5463.13002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/20/2020] [Accepted: 10/10/2020] [Indexed: 11/25/2022] Open
Abstract
Platelet lysate (PL) has been shown to induce chondrogenic differentiation of human umbilical cord‐derived mesenchymal stem cells (hUCMSCs). However, the underlying mechanism is still not clear. The aim of this study was to investigate whether long noncoding RNA H19 is involved in this process. hUCMSCs were isolated, identified and cultured in 5% PL‐supplemented chondrogenic differentiation medium. Chondrogenic differentiation was assessed by Alcian blue staining. The expressions of H19, miR‐29b‐3p, SRY‐related high‐mobility‐group box 9 (SOX9), collagen II and aggrecan were determined by quantitative real‐time PCR and western blot. The interaction between miR‐29b‐3p and H19 or SOX9 was analyzed by luciferase reporter assay. During PL‐induced chondrogenic differentiation of hUCMSCs, expressions of H19 and SOX9 were increased, whereas miR‐29b‐3p expression was decreased. H19 overexpression promoted, whereas H19 silencing attenuated the PL‐induced chondrogenic differentiation of hUCMSCs. SOX9 was identified as a direct target of miR‐29b‐3p, and H19 was observed to act as a sponge of miR‐29b‐3p to up‐regulate SOX9 expression. The chondrogenic differentiation‐promoting effect of H19 overexpression was negated when miR‐29b‐3p expression was up‐regulated by Lenti‐miR‐29b‐3p infection. In conclusion, PL induced chondrogenic differentiation of hUCMSCs by regulating the H19/miR‐29b‐3p/SOX9 axis.
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Affiliation(s)
- Boran Cao
- Department of OrthopedicsThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Xin Dai
- Department of OncologyThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
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The effects of human platelet lysate versus commercial endothelial growth medium on the endothelial differentiation potential of human amniotic fluid mesenchymal stem cells. Heliyon 2020; 6:e04873. [PMID: 32995597 PMCID: PMC7509187 DOI: 10.1016/j.heliyon.2020.e04873] [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] [Received: 03/11/2020] [Revised: 06/01/2020] [Accepted: 09/03/2020] [Indexed: 01/06/2023] Open
Abstract
To differentiate stem cells into endothelial cells, vascular endothelia growth factors (VEGF) serve as the major signal for stimulating the cells. However, there are other cytokines or growth factors associated with endothelial cell development and differentiation. Human platelet lysate (hPL) has been a promising reagent in cell-based therapy since it is considered as a source of bioactive molecules and growth factors. The aim of this study was to investigate the in vitro differentiation of human amniotic fluid mesenchymal stem cells (hAF-MSCs) into endothelial-like cells under hPL together with VEGF or endothelial cell growth medium 2 (EGM-2), a commercially induced medium. In this study, hAF-MSCs were isolated from human amniotic fluid cells (hAFCs) using the direct adherence method. The cells expressed CD44, CD73, CD90, and HLA-ABC at high levels and expressed Oct-4 (octamer-binding transcription factor 4) at low levels. The cells were negative for CD31, CD34, CD45, CD105 and HLA-DR. This study found that hAF-MSCs induced with hPL and VEGF had the ability to differentiate into endothelial-like cells by presenting endothelial specific markers (vWF, VEGFR2 and eNOS), forming a network-like structure on Matrigel, and producing nitric oxide (NO). This outcome was similar to those of experiments involving EGM-2 induced cells. The present findings indicate that hPL + VEGF can induce hAF-MSCs to express endothelial cell characteristics. Our findings represent an important step forward in the development of a clinically compliant process for the production of endothelial cell-derived hAF-MSCs, and their subsequent testing in future clinical trials.
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Tang Q, Lim T, Wei XJ, Wang QY, Xu JC, Shen LY, Zhu ZZ, Zhang CQ. A free-standing multilayer film as a novel delivery carrier of platelet lysates for potential wound-dressing applications. Biomaterials 2020; 255:120138. [DOI: 10.1016/j.biomaterials.2020.120138] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 05/03/2020] [Accepted: 05/19/2020] [Indexed: 12/16/2022]
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Shanbhag S, Mohamed-Ahmed S, Lunde THF, Suliman S, Bolstad AI, Hervig T, Mustafa K. Influence of platelet storage time on human platelet lysates and platelet lysate-expanded mesenchymal stromal cells for bone tissue engineering. Stem Cell Res Ther 2020; 11:351. [PMID: 32962723 PMCID: PMC7510290 DOI: 10.1186/s13287-020-01863-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 06/25/2020] [Accepted: 07/29/2020] [Indexed: 12/20/2022] Open
Abstract
Background Human platelet lysate (HPL) is emerging as the preferred xeno-free supplement for the expansion of mesenchymal stromal cells (MSCs) for bone tissue engineering (BTE) applications. Due to a growing demand, the need for standardization and scaling-up of HPL has been highlighted. However, the optimal storage time of the source material, i.e., outdated platelet concentrates (PCs), remains to be determined. The present study aimed to determine the optimal storage time of PCs in terms of the cytokine content and biological efficacy of HPL. Methods Donor-matched bone marrow (BMSCs) and adipose-derived MSCs (ASCs) expanded in HPL or fetal bovine serum (FBS) were characterized based on in vitro proliferation, immunophenotype, and multi-lineage differentiation. Osteogenic differentiation was assessed at early (gene expression), intermediate [alkaline phosphatase (ALP) activity], and terminal stages (mineralization). Using a multiplex immunoassay, the cytokine contents of HPLs produced from PCs stored for 1–9 months were screened and a preliminary threshold of 4 months was identified. Next, HPLs were produced from PCs stored for controlled durations of 0, 1, 2, 3, and 4 months, and their efficacy was compared in terms of cytokine content and BMSCs’ proliferation and osteogenic differentiation. Results BMSCs and ASCs in both HPL and FBS demonstrated a characteristic immunophenotype and multi-lineage differentiation; osteogenic differentiation of BMSCs and ASCs was significantly enhanced in HPL vs. FBS. Multiplex network analysis of HPL revealed several interacting growth factors, chemokines, and inflammatory cytokines. Notably, stem cell growth factor (SCGF) was detected in high concentrations. A majority of cytokines were elevated in HPLs produced from PCs stored for ≤ 4 months vs. > 4 months. However, no further differences in PC storage times between 0 and 4 months were identified in terms of HPLs’ cytokine content or their effects on the proliferation, ALP activity, and mineralization of BMSCs from multiple donors. Conclusions MSCs expanded in HPL demonstrate enhanced osteogenic differentiation, albeit with considerable donor variation. HPLs produced from outdated PCs stored for up to 4 months efficiently supported the proliferation and osteogenic differentiation of MSCs. These findings may facilitate the standardization and scaling-up of HPL from outdated PCs for BTE applications.
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Affiliation(s)
- Siddharth Shanbhag
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway
| | - Samih Mohamed-Ahmed
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway
| | - Turid Helen Felli Lunde
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
| | - Salwa Suliman
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway
| | - Anne Isine Bolstad
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway
| | - Tor Hervig
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway.,Laboratory of Immunology and Transfusion Medicine, Haugesund Hospital, Fonna Health Trust, Haugesund, Norway.,Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Kamal Mustafa
- Department of Clinical Dentistry, Faculty of Medicine, University of Bergen, Årstadveien 19, 5008, Bergen, Norway.
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Markmee R, Aungsuchawan S, Tancharoen W, Narakornsak S, Pothacharoen P. Differentiation of cardiomyocyte-like cells from human amniotic fluid mesenchymal stem cells by combined induction with human platelet lysate and 5-azacytidine. Heliyon 2020; 6:e04844. [PMID: 32995593 PMCID: PMC7502343 DOI: 10.1016/j.heliyon.2020.e04844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 05/01/2020] [Accepted: 09/01/2020] [Indexed: 12/18/2022] Open
Abstract
Human amniotic fluid mesenchymal stem cells (hAF-MSCs) have been shown to be effective in the treatment of many diseases. Platelet lysate (PL) contains multiple growth and differentiation factors; therefore, it can be used as a differentiation inducer. In this study, we attempted to evaluate the efficiency of human platelet lysate (hPL) on cell viability and the effects on cardiomyogenic differentiation of hAF-MSCs. When treating the cells with hPL, the result showed an increase in cell viability. Expressions of cardiomyogenic specific genes, including GATA4, cTnT, Cx43 and Nkx2.5, were higher in the combined treatment groups of 5-azacytidine (5-aza) and hPL than the expressions of cardiomyogenic specific genes in the control group and in the 5-aza treatment group. In terms of the results of immunofluorescence and immunoenzymatic staining, the highest expressions of cardiomyogenic specific proteins were revealed in combined treatment groups. It can be summarized that hPL may be an effective supporting cardiomyogenic supplementary factor for cardiomyogenic differentiation in hAF-MSCs.
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Affiliation(s)
- Runchana Markmee
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Sirinda Aungsuchawan
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Waleephan Tancharoen
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Suteera Narakornsak
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
| | - Peraphan Pothacharoen
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
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Guiotto M, Raffoul W, Hart AM, Riehle MO, di Summa PG. Human platelet lysate to substitute fetal bovine serum in hMSC expansion for translational applications: a systematic review. J Transl Med 2020; 18:351. [PMID: 32933520 PMCID: PMC7493356 DOI: 10.1186/s12967-020-02489-4] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 08/20/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Foetal bovine serum (FBS), is the most commonly used culture medium additive for in vitro cultures, despite its undefined composition, its potential immunogenicity and possible prion/zoonotic transmission. For these reasons, significant efforts have been targeted at finding a substitute, such as serum free-media or human platelet-lysates (hPL). Our aim is to critically appraise the state-of-art for hPL in the published literature, comparing its impact with FBS. MATERIALS AND METHODS In June 2019 a systematic search of the entire Web of Science, Medline and PubMed database was performed with the following search terms: (mesenchymal stem cells) AND (fetal bovine serum OR fetal bovine calf) AND (human platelet lysate). Excluded from this search were review articles that were published before 2005, manuscripts in which mesenchymal stem cells (MSCs) were not from human sources, and when the FBS controls were missing. RESULTS Based on our search algorithm, 56 papers were selected. A review of these papers indicated that hMSCs cultured with hPL showed a spindle-shaped elongated morphology, had higher proliferation indexes, similar cluster of differentiation (CD) markers and no significant variation in differentiation lineage (osteocyte, adipocyte, and chondrocyte) compared to those cultured with FBS. Main sources of primary hMSCs were either fat tissue or bone marrow; in a few studies cells isolated from alternative sources showed no relevant difference in their response. CONCLUSION Despite the difference in medium choice and a lack of standardization of hPL manufacturing, the majority of publications support that hPL was at least as effective as FBS in promoting adhesion, survival and proliferation of hMSCs. We conclude that hPL should be considered a viable alternative to FBS in hMSCs culture-especially with a view for their clinical use.
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Affiliation(s)
- M Guiotto
- Department of Plastic, Reconstructive and Hand Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland. .,Centre for the Cellular Microenvironment, University of Glasgow, Glasgow, UK.
| | - W Raffoul
- Department of Plastic, Reconstructive and Hand Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
| | - A M Hart
- Centre for the Cellular Microenvironment, University of Glasgow, Glasgow, UK.,Canniesburn Plastic Surgery Unit, Glasgow Royal Infirmary, Glasgow, UK
| | - M O Riehle
- Centre for the Cellular Microenvironment, University of Glasgow, Glasgow, UK
| | - P G di Summa
- Department of Plastic, Reconstructive and Hand Surgery, Centre Hospitalier Universitaire Vaudois (CHUV), Lausanne, Switzerland
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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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50
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Rhéaume MÈ, Rouleau P, Tremblay T, Paré I, Loubaki L. Short-Term exposure of umbilical cord blood CD34+ cells to human platelet lysate and cytokines enhances engraftment. Transfusion 2020; 60:2348-2358. [PMID: 32757244 DOI: 10.1111/trf.15991] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 06/08/2020] [Accepted: 06/17/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Intra bone marrow (IBM) injection has been proposed as a strategy to bypass homing inefficiencies associated with intravenous (IV) hematopoietic progenitor stem cell (HSPC) transplantation and thus increases the number of HSPC that engraft. Despite physical delivery into the bone marrow cavity, many donor cells are rapidly redistributed by vascular perfusion. Thus, the objective of our study was to evaluate the ability of human platelet lysates (hPL) to improve HSPC retention into the bone marrow and consequently to improve engraftment. STUDY DESIGN AND METHODS HSPC were isolated from human umbilical cord blood. HSPC were seeded in the wells of a 24-well microplate and exposed to increasing concentrations of hPL with or without cytokines for 24 hours. Following priming, HSPC cells chemotaxis to rhSDF-1 was determined in vitro and engraftment in NSG mice was evaluated. RESULTS Priming of cord blood CD34+ cells to a combination of hPL and cytokines resulted in a significant increase (up to 3-fold) in the expression of the CD34 antigen on HSPC. This effect was closely correlated to a significantly increased (up to 7-fold) migration toward a rhSDF-1 concentration gradient. In addition, IBM injection of CD34+ cells previously primed with hPL+cytokines into NSG mice showed significantly increased engraftment as measured by human platelet numbers, human CD45 and human CD34+ cells for unprimed and primed cells, respectively. CONCLUSION The use of hPL + cytokines as a short-term priming treatment for UCB could be an advantageous strategy to improve clinical outcomes following IBM injection.
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Affiliation(s)
| | - Pascal Rouleau
- Medical Affairs and Innovation, Héma-Québec, Québec, Quebec, Canada
| | - Tony Tremblay
- Medical Affairs and Innovation, Héma-Québec, Québec, Quebec, Canada
| | - Isabelle Paré
- Medical Affairs and Innovation, Héma-Québec, Québec, Quebec, Canada
| | - Lionel Loubaki
- Medical Affairs and Innovation, Héma-Québec, Québec, Quebec, Canada.,Department of Biochemistry, Microbiology and Bioinformatics, Laval University, Québec, Quebec, Canada
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