1
|
Simenido GA, Zubanova EM, Ksendzov EA, Kostjuk SV, Timashev PS, Golubeva EN. Bovine Serum Albumin Effect on Collapsing PNIPAM Chains in Aqueous Solutions: Spin Label and Spin Probe Study. Polymers (Basel) 2024; 16:1335. [PMID: 38794528 PMCID: PMC11124808 DOI: 10.3390/polym16101335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/02/2024] [Accepted: 05/06/2024] [Indexed: 05/26/2024] Open
Abstract
The influence of bovine serum albumin (BSA) on collapsing poly(N-isopropylacrylamide) (PNIPAM) chains was studied with turbidimetry and spin probe and spin label electron paramagnetic resonance spectroscopy. An increased ratio of collapsed chains in aqueous solutions in the narrow temperature region near the LCST appeared in the presence of 2.5-10 wt% BSA. The spin probe EPR data indicate that the inner cavities of the BSA dimers are probably responsive to the capture of small hydrophobic or amphiphilic molecules, such as TEMPO nitroxyl radical. The observed features of the structure and dynamics of inhomogeneities of aqueous PNIPAM-BSA solutions, including their mutual influence on the behavior of the polymer and protein below the LCST, should be considered when developing and investigating PNIPAM-based drug delivery systems.
Collapse
Affiliation(s)
- Georgii A. Simenido
- Faculty of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (E.M.Z.); (P.S.T.); (E.N.G.)
| | - Ekaterina M. Zubanova
- Faculty of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (E.M.Z.); (P.S.T.); (E.N.G.)
| | - Evgenii A. Ksendzov
- Research Institute for Physical Chemical Problems of the Belarusian State University, 220006 Minsk, Belarus; (E.A.K.); (S.V.K.)
- Faculty of Chemistry, Belarusian State University, 220006 Minsk, Belarus
| | - Sergei V. Kostjuk
- Research Institute for Physical Chemical Problems of the Belarusian State University, 220006 Minsk, Belarus; (E.A.K.); (S.V.K.)
- Faculty of Chemistry, Belarusian State University, 220006 Minsk, Belarus
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Peter S. Timashev
- Faculty of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (E.M.Z.); (P.S.T.); (E.N.G.)
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Elena N. Golubeva
- Faculty of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia; (E.M.Z.); (P.S.T.); (E.N.G.)
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| |
Collapse
|
2
|
Kurenkova AD, Presniakova VS, Mosina ZA, Kibirskiy PD, Romanova IA, Tugaeva GK, Kosheleva NV, Vinogradov KS, Kostjuk SV, Kotova SL, Rochev YA, Medvedeva EV, Timashev PS. Resveratrol's Impact on the Chondrogenic Reagents' Effects in Cell Sheet Cultures of Wharton's Jelly-Derived MSCs. Cells 2023; 12:2845. [PMID: 38132166 PMCID: PMC10741663 DOI: 10.3390/cells12242845] [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: 11/18/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 12/23/2023] Open
Abstract
Human Wharton's jelly mesenchymal stem cells (hWJ-MSCs) are of great interest in tissue engineering. We obtained hWJ-MSCs from four patients, and then we stimulated their chondrogenic phenotype formation in vitro by adding resveratrol (during cell expansion) and a canonical Wnt pathway activator, LiCl, as well as a Rho-associated protein kinase inhibitor, Y27632 (during differentiation). The effects of the added reagents on the formation of hWJ-MSC sheets destined to repair osteochondral injuries were investigated. Three-dimensional hWJ-MSC sheets grown on P(NIPAM-co-NtBA)-based matrices were characterized in vitro and in vivo. The combination of resveratrol and LiCl showed effects on hWJ-MSC sheets similar to those of the basal chondrogenic medium. Adding Y27632 decreased both the proportion of hypertrophied cells and the expression of the hyaline cartilage markers. In vitro, DMSO was observed to impede the effects of the chondrogenic factors. The mouse knee defect model experiment revealed that hWJ-MSC sheets grown with the addition of resveratrol and Y27632 were well integrated with the surrounding tissues; however, after 3 months, the restored tissue was identical to that of the naturally healed cartilage injury. Thus, the combination of chondrogenic supplements may not always have additive effects on the progress of cell culture and could be neutralized by the microenvironment after transplantation.
Collapse
Affiliation(s)
- Anastasiia D. Kurenkova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Viktoria S. Presniakova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Zlata A. Mosina
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Pavel D. Kibirskiy
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Irina A. Romanova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Gilyana K. Tugaeva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Nastasia V. Kosheleva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
- FSBSI “Institute of General Pathology and Pathophysiology”, Baltiyskaya St. 8, Moscow 125315, Russia
| | - Kirill S. Vinogradov
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Sergei V. Kostjuk
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
- Department of Chemistry, Belarussian State University, 14 Leningradskaya St., 220006 Minsk, Belarus
- Research Institute for Physical Chemical Problems of the Belarusian State University, 14 Leningradskaya St., 220006 Minsk, Belarus
| | - Svetlana L. Kotova
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Yury A. Rochev
- Center for Research in Medical Devices (CÚRAM), National University of Ireland Galway, H91 W2TY Galway, Ireland
| | - Ekaterina V. Medvedeva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| | - Peter S. Timashev
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119991, Russia
| |
Collapse
|
3
|
Harna B, Kalra P, Arya S, Jeyaraman N, Nallakumarasamy A, Jeyaraman M, Rajendran RL, Oh EJ, Khanna M, Rajendran UM, Chung HY, Ahn BC, Gangadaran P. Mesenchymal stromal cell therapy for patients with rheumatoid arthritis. Exp Cell Res 2023; 423:113468. [PMID: 36621669 DOI: 10.1016/j.yexcr.2023.113468] [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: 09/13/2022] [Revised: 12/22/2022] [Accepted: 01/04/2023] [Indexed: 01/07/2023]
Abstract
Management of relapses and refractory rheumatoid arthritis (RA) patients is complex and difficult. Even after the administration of new biological disease-modifying anti-rheumatic drugs (DMARDs), only a few patients achieve the complete remission phase. DMARDs help only in modifying the disease activity, which sooner or later fails. They do not manage the disease at the patho-etiological level. There are some serious side effects as well as drug interaction with DMARDs. There are few subsets of RA patients who do not respond to DMARDs, reasons unknown. Mesenchymal stem cells (MSCs) provide a promising alternative, especially in such cases. This review elaborates on the studies pertaining to the application of MSCs in rheumatoid arthritis over the last two decades. A total of 14 studies (one review article) including 447 patients were included in the study. Most of the studies administered MSCs in refractory RA patients through the intravenous route with varied dosages and frequency of administration. MSCs help in RA treatment via various mechanisms including paracrine effects. All the studies depicted a better clinical outcome with minimal adverse events. The functional scores including the VAS scores improved significantly in all studies irrespective of dosage and source of MSCs. The majority of the studies depicted no complications. Although the use of MSCs in RA is still in the early stages requiring further refinement in the source of MSCs, dosage, and frequency. The role of MSCs in the management of RA has a promising prospect. MSCs target the RA at the molecular level and has the potential to manage refractory RA cases not responding to conventional treatment. Multicentric, large sample populations, and long-term studies are required to ascertain efficacy and safety.
Collapse
Affiliation(s)
- Bushu Harna
- Department of Orthopaedics, Maulana Azad Medical College, New Delhi, 110002, India; Indian Stem Cell Study Group (ISCSG) Association, Lucknow, 226010, Uttar Pradesh, India; Fellow in Orthopaedic Rheumatology, Dr. RML National Law University, Lucknow, 226010, Uttar Pradesh, India
| | - Pulkit Kalra
- Department of Orthopaedics, Maulana Azad Medical College, New Delhi, 110002, India
| | - Shivali Arya
- Department of Radiodiagnosis, Maulana Azad Medical College, New Delhi, 110002, India
| | - Naveen Jeyaraman
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow, 226010, Uttar Pradesh, India; Fellow in Orthopaedic Rheumatology, Dr. RML National Law University, Lucknow, 226010, Uttar Pradesh, India; Fellow in Regenerative Interventional Orthobiologics, Dr. RML National Law University, Lucknow, 226010, Uttar Pradesh, India; Department of Orthopaedics, Rathimed Specialty Hospital, Chennai, 600040, Tamil Nadu, India
| | - Arulkumar Nallakumarasamy
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow, 226010, Uttar Pradesh, India; Fellow in Orthopaedic Rheumatology, Dr. RML National Law University, Lucknow, 226010, Uttar Pradesh, India; Fellow in Regenerative Interventional Orthobiologics, Dr. RML National Law University, Lucknow, 226010, Uttar Pradesh, India; Department of Orthopaedics, All India Institute of Medical Sciences, Bhubaneswar, 751019, Odisha, India
| | - Madhan Jeyaraman
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow, 226010, Uttar Pradesh, India; Department of Orthopaedics, ACS Medical College and Hospital, Dr MGR Educational and Research Institute, Chennai, 600056, Tamil Nadu, India; Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, 201310, Uttar Pradesh, India; South Texas Orthopaedic Research Institute (STORI Inc.), Laredo, TX, 78045, USA.
| | - Ramya Lakshmi Rajendran
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, South Korea
| | - Eun Jung Oh
- Department of Plastic and Reconstructive Surgery, CMRI, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, South Korea
| | - Manish Khanna
- Indian Stem Cell Study Group (ISCSG) Association, Lucknow, 226010, Uttar Pradesh, India
| | | | - Ho Yun Chung
- Department of Plastic and Reconstructive Surgery, CMRI, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, South Korea
| | - Byeong-Cheol Ahn
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, South Korea; BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, 41944, South Korea.
| | - Prakash Gangadaran
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, South Korea; BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, 41944, South Korea.
| |
Collapse
|
4
|
Structure and Dynamics of Inhomogeneities in Aqueous Solutions of Graft Copolymers of N-Isopropylacrylamide with Lactide (P(NIPAM-graft-PLA)) by Spin Probe EPR Spectroscopy. Polymers (Basel) 2022; 14:polym14214746. [DOI: 10.3390/polym14214746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 10/31/2022] [Accepted: 11/02/2022] [Indexed: 11/09/2022] Open
Abstract
Coil-to-globule transition and dynamics of inhomogeneities in aqueous solutions of graft copolymers of NIPAM with different content of oligolactide groups were studied using spin probe continuous wave EPR spectroscopy. The technique of the suppressing of TEMPO as spin probe by spin exchange with Cu2+ ions was applied. This approach allowed us to detect individual EPR spectra of the probe in collapsed globules and estimate its magnetic and dynamic parameters reliably. The formation of inhomogeneities at temperatures lower than the volume phase transition temperature measured via transmission, and differential scanning calorimetry was fixed. An increase in oligolactide content in copolymers leads to the formation of looser globules, allowing for the exchange of the probe molecules between the globules and the external solution.
Collapse
|
5
|
Morsi SMM, Abd El-Aziz ME, Mohamed HA. Smart polymers as molecular imprinted polymers for recognition of target molecules. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2042287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Samir M. M. Morsi
- Polymer and Pigments Department, National Research Centre, Dokki, Egypt
| | | | - Heba A. Mohamed
- Polymer and Pigments Department, National Research Centre, Dokki, Egypt
| |
Collapse
|
6
|
Inhomogeneities in PNIPAM Aqueous Solutions: The Inside View by Spin Probe EPR Spectroscopy. Polymers (Basel) 2021; 13:polym13213829. [PMID: 34771385 PMCID: PMC8588346 DOI: 10.3390/polym13213829] [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: 10/09/2021] [Revised: 10/29/2021] [Accepted: 11/02/2021] [Indexed: 01/15/2023] Open
Abstract
Coil to globule transition in poly(N-isopropylacrylamide) aqueous solutions was studied using spin probe continuous-wave electronic paramagnetic resonance (CW EPR) spectroscopy with an amphiphilic TEMPO radical as a guest molecule. Using Cu(II) ions as the “quencher” for fast-moving radicals in the liquid phase allowed obtaining the individual spectra of TEMPO radicals in polymer globule and observing inhomogeneities in solutions before globule collapsing. EPR spectra simulations confirm the formation of molten globules at the first step with further collapsing and water molecules coming out of the globule, making it denser.
Collapse
|
7
|
Towards Physiologic Culture Approaches to Improve Standard Cultivation of Mesenchymal Stem Cells. Cells 2021; 10:cells10040886. [PMID: 33924517 PMCID: PMC8069108 DOI: 10.3390/cells10040886] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/09/2021] [Accepted: 04/12/2021] [Indexed: 02/07/2023] Open
Abstract
Mesenchymal stem cells (MSCs) are of great interest for their use in cell-based therapies due to their multipotent differentiation and immunomodulatory capacities. In consequence of limited numbers following their isolation from the donor tissue, MSCs require extensive expansion performed in traditional 2D cell culture setups to reach adequate amounts for therapeutic use. However, prolonged culture of MSCs in vitro has been shown to decrease their differentiation potential and alter their immunomodulatory properties. For that reason, preservation of these physiological characteristics of MSCs throughout their in vitro culture is essential for improving the efficiency of therapeutic and in vitro modeling applications. With this objective in mind, many studies already investigated certain parameters for enhancing current standard MSC culture protocols with regard to the effects of specific culture media components or culture conditions. Although there is a lot of diversity in the final therapeutic uses of the cells, the primary stage of standard isolation and expansion is imperative. Therefore, we want to review on approaches for optimizing standard MSC culture protocols during this essential primary step of in vitro expansion. The reviewed studies investigate and suggest improvements focused on culture media components (amino acids, ascorbic acid, glucose level, growth factors, lipids, platelet lysate, trace elements, serum, and xenogeneic components) as well as culture conditions and processes (hypoxia, cell seeding, and dissociation during passaging), in order to preserve the MSC phenotype and functionality during the primary phase of in vitro culture.
Collapse
|
8
|
Gottipati A, Chelvarajan L, Peng H, Kong R, Cahall CF, Li C, Tripathi H, Al-Darraji A, Ye S, Elsawalhy E, Abdel-Latif A, Berron BJ. Gelatin Based Polymer Cell Coating Improves Bone Marrow-Derived Cell Retention in the Heart after Myocardial Infarction. Stem Cell Rev Rep 2020; 15:404-414. [PMID: 30644039 DOI: 10.1007/s12015-018-9870-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Acute myocardial infarction (AMI) and the ensuing ischemic heart disease are approaching an epidemic state. Limited stem cell retention following intracoronary administration has reduced the clinical efficacy of this novel therapy. Polymer based cell coating is biocompatible and has been shown to be safe. Here, we assessed the therapeutic utility of gelatin-based biodegradable cell coatings on bone marrow derived cell retention in ischemic heart. METHODS Gelatin based cell coatings were formed from the surface-mediated photopolymerization of 3% gelatin methacrylamide and 1% PEG diacrylate. Cell coating was confirmed using a multimodality approach including flow cytometry, imaging flow cytometry (ImageStream System) and immunohistochemistry. Biocompatibility of cell coating, metabolic activity of coated cells, and the effect of cell coating on the susceptibility of cells for engulfment were assessed using in vitro models. Following myocardial infarction and GFP+ BM-derived mesenchymal stem cell transplantation, flow cytometric and immunohistochemical assessment of retained cells was performed. RESULTS Coated cells are viable and metabolically active with coating degrading within 72 h in vitro. Importantly, cell coating does not predispose bone marrow cells to aggregation or increase their susceptibility to phagocytosis. In vitro and in vivo studies demonstrated no evidence of heightened immune response or increased phagocytosis of coated cells. Cell transplantation studies following myocardial infarction proved the improved retention of coated bone marrow cells compared to uncoated cells. CONCLUSION Gelation based polymer cell coating is biologically safe and biodegradable. Therapies employing these strategies may represent an attractive target for improving outcomes of cardiac regenerative therapies in human studies.
Collapse
Affiliation(s)
- Anuhya Gottipati
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY, USA
| | - Lakshman Chelvarajan
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky and the Lexington VA Medical Center, Lexington, KY, USA
| | - Hsuan Peng
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky and the Lexington VA Medical Center, Lexington, KY, USA
| | | | - Calvin F Cahall
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY, USA
| | - Cong Li
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY, USA
| | - Himi Tripathi
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky and the Lexington VA Medical Center, Lexington, KY, USA
| | - Ahmed Al-Darraji
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky and the Lexington VA Medical Center, Lexington, KY, USA
| | - Shaojing Ye
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky and the Lexington VA Medical Center, Lexington, KY, USA
| | - Eman Elsawalhy
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky and the Lexington VA Medical Center, Lexington, KY, USA
| | - Ahmed Abdel-Latif
- Gill Heart and Vascular Institute and Division of Cardiovascular Medicine, University of Kentucky and the Lexington VA Medical Center, Lexington, KY, USA
| | - Brad J Berron
- Department of Chemical and Materials Engineering, University of Kentucky, Lexington, KY, USA.
| |
Collapse
|
9
|
Fan XL, Zhang Y, Li X, Fu QL. Mechanisms underlying the protective effects of mesenchymal stem cell-based therapy. Cell Mol Life Sci 2020; 77:2771-2794. [PMID: 31965214 PMCID: PMC7223321 DOI: 10.1007/s00018-020-03454-6] [Citation(s) in RCA: 285] [Impact Index Per Article: 71.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 01/02/2020] [Accepted: 01/03/2020] [Indexed: 02/06/2023]
Abstract
Mesenchymal stem cells (MSCs) have been extensively investigated for the treatment of various diseases. The therapeutic potential of MSCs is attributed to complex cellular and molecular mechanisms of action including differentiation into multiple cell lineages and regulation of immune responses via immunomodulation. The plasticity of MSCs in immunomodulation allow these cells to exert different immune effects depending on different diseases. Understanding the biology of MSCs and their role in treatment is critical to determine their potential for various therapeutic applications and for the development of MSC-based regenerative medicine. This review summarizes the recent progress of particular mechanisms underlying the tissue regenerative properties and immunomodulatory effects of MSCs. We focused on discussing the functional roles of paracrine activities, direct cell-cell contact, mitochondrial transfer, and extracellular vesicles related to MSC-mediated effects on immune cell responses, cell survival, and regeneration. This will provide an overview of the current research on the rapid development of MSC-based therapies.
Collapse
Affiliation(s)
- Xing-Liang Fan
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan Road II, Guangzhou, 510080, People's Republic of China
| | - Yuelin Zhang
- Department of Emergency, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road II, Guangzhou, 510080, People's Republic of China
| | - Xin Li
- Department of Emergency, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, 106 Zhongshan Road II, Guangzhou, 510080, People's Republic of China
| | - Qing-Ling Fu
- Otorhinolaryngology Hospital, The First Affiliated Hospital, Sun Yat-Sen University, 58 Zhongshan Road II, Guangzhou, 510080, People's Republic of China.
- Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou, Guangdong, People's Republic of China.
| |
Collapse
|
10
|
Fan Z, Nie Y, Chen Z, Xie X, Liao X, Wei Y. Construction of novel temperature-responsive hydrogel culture system based on the biomimetic method for stem cell sheet harvest. J BIOACT COMPAT POL 2019. [DOI: 10.1177/0883911519841393] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Temperature-responsive hydrogel culture system is considered as an ideal platform for cell sheet harvest, but its complex preparation methods and harsh reaction conditions limit its application. Inspired by the marine mussels, a biomimetic method presented here is to construct a novel temperature-responsive hydrogel culture system for stem cell sheet harvest. The tissue culture polystyrene is first modified with polydopamine coating, and then amine-terminated poly(N-isopropylacrylamide) is grafted onto the coating via the Schiff base or Michael addition reaction to construct the temperature-sensitive hydrogel culture system. Then, bone marrow stromal cells are cultured on the culture system to construct cell sheets. The prepared culture system shows significant temperature-sensitive property with the grafted concentrations of poly(N-isopropylacrylamide) ranging from 0.5 to 1 g/L. Meanwhile, the constructed culture system has low cytotoxicity and facilitates the stem cell adhesion, proliferation, and cell sheet formation at 37°C. When the culture system is placed in a 20°C environment, the cell sheet can be completely detached from the surface of tissue culture polystyrene without being treated with any enzymes. More importantly, the cell morphology, cell sheet thickness, and the fibril structure of the associated proteins are similar to the cells cultured on the tissue culture polystyrene without modification. The biomimetic, simple, inexpensive, and environmentally friendly preparation of the culture system enables it to be used for the harvest of cell sheet and even applied to tissue engineering for tissue regeneration.
Collapse
Affiliation(s)
- Zengjie Fan
- School of Stomatology, Lanzhou University, Lanzhou, P.R. China
| | - Yingying Nie
- Institute of Sensing Technology, Gansu Academy of Sciences, Lanzhou, P.R. China
| | - Zizi Chen
- School of Stomatology, Lanzhou University, Lanzhou, P.R. China
| | - Xuzhuzi Xie
- School of Stomatology, Lanzhou University, Lanzhou, P.R. China
| | - Xiaozhu Liao
- School of Stomatology, Lanzhou University, Lanzhou, P.R. China
| | - Yuan Wei
- School of Stomatology, Lanzhou University, Lanzhou, P.R. China
| |
Collapse
|
11
|
Ding I, Walz JA, Mace CR, Peterson AM. Early hMSC morphology and proliferation on model polyelectrolyte multilayers. Colloids Surf B Biointerfaces 2019; 178:276-284. [PMID: 30878802 DOI: 10.1016/j.colsurfb.2019.02.055] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 02/26/2019] [Accepted: 02/27/2019] [Indexed: 01/01/2023]
Abstract
Polyelectrolyte multilayers (PEMs) are a category of materials commonly used as coatings on surfaces that interact with cells. The properties of PEMs have been established to be controlled by not only polyelectrolyte choice, but by the identity of the initially applied (bottom) layer. In this work, 5-bilayer PEMs consisting of poly(diallyldimethylammonium chloride) (PDADMAC) and poly(sodium 4-styrenesulfonate) (PSS) were coated on gold-sputtered quartz substrates with different first layer materials. A final poly-l-lysine (PLL) layer was added to all PEMs to provide identical top layers conducive to cell growth. As in previous work, initial layer selection affected PEM roughness. All coated surfaces, including the PLL-only control, showed increased dispersive surface energy but decreased polar surface energy, as compared to uncoated surfaces. When human mesenchymal stem cells (hMSCs) were cultured on these surfaces, analysis through lateral cell imaging for the first 90 min and fluorescent staining after 1 day showed improved attachment on surfaces with a PDADMAC bottom layer. However, after 4 days, a higher cell density was observed on the PLL-only and uncoated control surfaces, indicating that the PEMs negatively affected hMSC proliferation. Both the long and short time period results did not correlate to any of the roughness and surface energy trends, indicating more complex interactions between the cells and the surface relating to charge distribution and functional group density.
Collapse
Affiliation(s)
- Ivan Ding
- Department of Chemical Engineering, University of Massachusetts Lowell, One University Ave, Lowell, MA, 01854, United States
| | - Jenna A Walz
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, MA, 02155, United States
| | - Charles R Mace
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, MA, 02155, United States
| | - Amy M Peterson
- Department of Plastics Engineering, University of Massachusetts Lowell, One University Ave, Lowell, MA, 01854, United States.
| |
Collapse
|
12
|
Effect of Cell Seeding Density and Inflammatory Cytokines on Adipose Tissue-Derived Stem Cells: an in Vitro Study. Stem Cell Rev Rep 2017; 13:267-277. [PMID: 28120159 PMCID: PMC5380713 DOI: 10.1007/s12015-017-9719-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Adipose tissue-derived stem cells (ASCs) are known to be able to promote repair of injured tissue via paracrine factors. However, the effect of cell density and inflammatory cytokines on the paracrine ability of ASCs remains largely unknown. To investigate these effects, ASCs were cultured in 8000 cells/cm2, 20,000 cells/cm2, 50,000 cells/cm2, and 400,000 cells/cm2 with and without 10 or 20 ng/ml tumor necrosis factor alpha (TNFα) and 25 or 50 ng/ml interferon gamma (IFNγ). ASC-sheets formed at 400,000 cells/cm2 after 48 h of culture. With increasing concentrations of TNFα and IFNγ, ASC-sheets with 400,000 cells/cm2 had increased production of angiogenic factors Vascular Endothelial Growth Factor and Fibroblast Growth Factor and decreased expression of pro-inflammatory genes TNFA and Prostaglandin Synthase 2 (PTGS2) compared to lower density ASCs. Moreover, the conditioned medium of ASC-sheets with 400,000 cells/cm2 stimulated with the low concentration of TNFα and IFNγ enhanced endothelial cell proliferation and fibroblast migration. These results suggest that a high cell density enhances ASC paracrine function might beneficial for wound repair, especially in pro-inflammatory conditions.
Collapse
|
13
|
An investigation of cell growth and detachment from thermoresponsive physically crosslinked networks. Colloids Surf B Biointerfaces 2017; 159:159-165. [DOI: 10.1016/j.colsurfb.2017.07.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 06/22/2017] [Accepted: 07/21/2017] [Indexed: 01/29/2023]
|
14
|
Li J, Fan X, Yang L, Wang F, Zhang J, Wang Z. A review on thermoresponsive cell culture systems based on poly(N-isopropylacrylamide) and derivatives. INT J POLYM MATER PO 2017. [DOI: 10.1080/00914037.2017.1327436] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jiaxing Li
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| | - Xiaoguang Fan
- College of Engineering, Shenyang Agricultural University, Shenyang, People’s Republic of China
| | - Lei Yang
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| | - Fei Wang
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| | - Jing Zhang
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| | - Zhanyong Wang
- School of Environmental and Biological Engineering, Liaoning Shihua University, Fushun, People’s Republic of China
| |
Collapse
|
15
|
Dzhoyashvili NA, Thompson K, Gorelov AV, Rochev YA. Film Thickness Determines Cell Growth and Cell Sheet Detachment from Spin-Coated Poly(N-Isopropylacrylamide) Substrates. ACS APPLIED MATERIALS & INTERFACES 2016; 8:27564-27572. [PMID: 27661256 DOI: 10.1021/acsami.6b09711] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Poly(N-isopropylacrylamide) (pNIPAm) is widely used to fabricate thermoresponsive surfaces for cell sheet detachment. Many complex and expensive techniques have been employed to produce pNIPAm substrates for cell culture. The spin-coating technique allows rapid fabrication of pNIPAm substrates with high reproducibility and uniformity. In this study, the dynamics of cell attachment, proliferation, and function on non-cross-linked spin-coated pNIPAm films of different thicknesses were investigated. The measurements of advancing contact angle revealed increasing contact angles with increasing film thickness. Results suggest that more hydrophilic 50 and 80 nm thin pNIPAm films are more preferable for cell sheet fabrication, whereas more hydrophobic 300 and 900 nm thick spin-coated pNIPAm films impede cell attachment. These changes in cell behavior were correlated with changes in thickness and hydration of pNIPAm films. The control of pNIPAm film thickness using the spin-coating technique offers an effective tool for cell sheet-based tissue engineering.
Collapse
Affiliation(s)
| | | | - Alexander V Gorelov
- School of Chemistry and Chemical Biology, University College Dublin , D04 R7R0, Belfield, Dublin 4, Ireland
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Science , 142290 Pushchino, Moscow Region, Russia
| | - Yuri A Rochev
- Sechenov First Moscow State Medical University , Institute for Regenerative Medicine, 119991 Moscow, Russia
| |
Collapse
|
16
|
Healy D, Nash ME, Gorelov A, Thompson K, Dockery P, Beloshapkin S, Rochev Y. Fabrication and Application of Photocrosslinked, Nanometer-Scale, Physically Adsorbed Films for Tissue Culture Regeneration. Macromol Biosci 2016; 17. [PMID: 27584800 DOI: 10.1002/mabi.201600175] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 07/14/2016] [Indexed: 11/10/2022]
Abstract
This study describes the development and cell culture application of nanometer thick photocrosslinkable thermoresponsive polymer films prepared by physical adsorption. Two thermoresponsive polymers, poly(N-isopropylacrylamide (NIPAm)-co-acrylamidebenzophenone (AcBzPh)) and poly(NIPAm-co-AcBzPh-co-N-tertbutylacrylamide) are investigated. Films are prepared both above and below the polymers' lower critical solution temperatures (LCSTs) and cross-linked, to determine the effect, adsorption preparation temperature has on the resultant film. The films prepared at temperatures below the LCST are smoother, thinner, and more hydrophilic than those prepared above. Human pulmonary microvascular endothelial cell (HPMEC) adhesion and proliferation are superior on the films produced below the polymers LCST compared to those produced above. Cells sheets are detached by simply lowering the ambient temperature to below the LCST. Transmission electron, scanning electron, and light microscopies indicate that the detached HPMEC sheets maintain their integrity.
Collapse
Affiliation(s)
- Deirdre Healy
- School of Chemistry, National University of Ireland Galway, H91 CF50, Galway, Ireland
| | - Maria E Nash
- School of Chemistry, National University of Ireland Galway, H91 CF50, Galway, Ireland
| | - Alexander Gorelov
- School of Chemistry and Chemical Biology, University College Dublin, D04 R7R0, Belfield, Dublin 4, Ireland
| | - Kerry Thompson
- Center for Microscopy and Imaging, Anatomy, School of Medicine, National University of Ireland Galway, H91 CF50, Galway, Ireland
| | - Peter Dockery
- Anatomy, School of Medicine, National University of Ireland Galway, H91 CF50, Galway, Ireland
| | - Sergey Beloshapkin
- Materials and Surface Science Institute, University of Limerick, V94 DPY6, Limerick, Ireland
| | - Yury Rochev
- School of Chemistry, National University of Ireland Galway, H91 CF50, Galway, Ireland.,Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, 119991, Moscow, Russia
| |
Collapse
|
17
|
Surface immobilization of thermo-responsive poly(N-isopropylacrylamide) by simple entrapment in a 3-aminopropyltriethoxysilane network. POLYMER 2016; 101:139-150. [DOI: 10.1016/j.polymer.2016.08.059] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
18
|
Healy D, Nash M, Gorelov A, Thompson K, Dockery P, Belochapkine S, Madden J, Rochev Y. Nanometer-scale physically adsorbed thermoresponsive films for cell culture. INT J POLYM MATER PO 2016. [DOI: 10.1080/00914037.2016.1201765] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Deirdre Healy
- School of Chemistry, National University of Ireland Galway, Galway, Ireland
| | - Maria Nash
- School of Chemistry, National University of Ireland Galway, Galway, Ireland
| | - Alexander Gorelov
- School of Chemistry and Chemical Biology, University College Dublin, Belfield, Dublin, Ireland
| | - Kerry Thompson
- Center for Microscopy and Imaging, Anatomy, School of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Peter Dockery
- Center for Microscopy and Imaging, Anatomy, School of Medicine, National University of Ireland Galway, Galway, Ireland
| | - Serguei Belochapkine
- Materials and Surface Science Institute, University of Limerick, Limerick, Ireland
| | | | - Yury Rochev
- School of Chemistry, National University of Ireland Galway, Galway, Ireland
- Sechenov First Moscow State Medical University, Institute for Regenerative Medicine, Moscow, Russia
| |
Collapse
|
19
|
Dzhoyashvili NA, Shen S, Rochev YA. Natural and Synthetic Materials for Self-Renewal, Long-Term Maintenance, and Differentiation of Induced Pluripotent Stem Cells. Adv Healthc Mater 2015; 4:2342-59. [PMID: 25867178 DOI: 10.1002/adhm.201400798] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Revised: 02/02/2015] [Indexed: 12/13/2022]
Abstract
Induced pluripotent stem cells (iPSCs) have attracted considerable attention from the public, clinicians, and scientists since their discovery in 2006, and raised huge expectations for regenerative medicine. One of the distinctive features of iPSCs is their propensity to differentiate into the cells of three germ lines in vitro and in vivo. The human iPSCs can be used to study the mechanisms underlying a disease and to monitor the disease progression, for testing drugs in vitro, and for cell therapy, avoiding many ethical and immunologic concerns. This technology offers the potential to take an individual approach to each patient and allows a more accurate diagnosis and specific treatment. However, there are several obstacles that impede the use of iPSCs. The derivation of fully reprogrammed iPSCs is expensive, time-consuming, and demands meticulous attention to many details. The use of biomaterials could increase the efficacy and safety while decreasing the cost of tissue engineering. The choice of a substrate utilized for iPSC culture is also important because cell-substrate contacts influence cellular behavior such as self-renewal, expansion, and differentiation. This Progress Report aims to summarize the advantages and drawbacks of natural and synthetic biomaterials, and to evaluate their role for maintenance and differentiation of iPSCs.
Collapse
Affiliation(s)
- Nina A. Dzhoyashvili
- School of Chemistry; National University of Ireland; Galway (NUIG), University Road Galway Ireland
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building, Newcastle Road Dangan Galway Ireland
| | - Sanbing Shen
- School of Medicine; National University of Ireland Galway (NUIG); University Road Galway Ireland
- Regenerative Medicine Institute (REMEDI); Biosciences Research Building; Newcastle Road Dangan Galway Ireland
| | - Yury A. Rochev
- School of Chemistry; National University of Ireland; Galway (NUIG), University Road Galway Ireland
- Network of Excellence for Functional Biomaterials (NFB); Biosciences Research Building, Newcastle Road Dangan Galway Ireland
| |
Collapse
|
20
|
Molecularly Imprinted Polymers with Stimuli-Responsive Affinity: Progress and Perspectives. Polymers (Basel) 2015. [DOI: 10.3390/polym7091478] [Citation(s) in RCA: 95] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
|
21
|
Fan X, Nash ME, Gorelov AV, Barry FP, Shaw G, Rochev YA. Thermoresponsive Substrates Used for the Growth and Controlled Differentiation of Human Mesenchymal Stem Cells. Macromol Rapid Commun 2015; 36:1897-1901. [DOI: 10.1002/marc.201500234] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 07/01/2015] [Indexed: 12/24/2022]
Affiliation(s)
- Xingliang Fan
- National Centre for Biomedical Engineering Science NUI; Galway H91DK59 Ireland
| | - Maria E. Nash
- Instituto de Ciencia y Tecnología de Polímeros; ICTP-CSIC Madrid 28006 Spain
| | | | - Frank P. Barry
- Regenerative Medicine Institute; NUI; Galway H91DK59 Ireland
| | - Georgina Shaw
- Regenerative Medicine Institute; NUI; Galway H91DK59 Ireland
| | - Yury A. Rochev
- National Centre for Biomedical Engineering Science NUI; Galway H91DK59 Ireland
- School of Chemistry; NUI; Galway H91DK59 Ireland
- Network of Excellence for Functional Biomaterials; NUI; Galway H91DK59 Ireland
| |
Collapse
|
22
|
Investigation of cell behaviors on thermo-responsive PNIPAM microgel films. Colloids Surf B Biointerfaces 2015; 132:202-7. [DOI: 10.1016/j.colsurfb.2015.05.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 04/08/2015] [Accepted: 05/07/2015] [Indexed: 11/23/2022]
|
23
|
Saeed A, Francini N, White L, Dixon J, Gould T, Rashidi H, Al Ghanami RC, Hruschka V, Redl H, Saunders BR, Alexander C, Shakesheff KM. A thermoresponsive and magnetic colloid for 3D cell expansion and reconfiguration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:662-8. [PMID: 25447597 PMCID: PMC4322481 DOI: 10.1002/adma.201403626] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Revised: 09/23/2014] [Indexed: 05/23/2023]
Abstract
A dual thermoresponsive and magnetic colloidal gel matrix is described for enhanced stem-cell culture. The combined properties of the material allow enzyme-free passaging and expansion of mesenchymal stem cells, as well as isolation of cells postculture by the simple process of lowering the temperature and applying an external magnetic field. The colloidal gel can be reconfigured with thermal and magnetic stimuli to allow patterning of cells in discrete zones and to control movement of cells within the porous matrix during culture.
Collapse
Affiliation(s)
- Aram Saeed
- School of Pharmacy, University of East AngliaNorwich, NR4 7TJ, UK
| | - Nora Francini
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | - Lisa White
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | - James Dixon
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | - Toby Gould
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | - Hassan Rashidi
- School of Pharmacy, University of NottinghamNottingham, NG7 2RD, UK
| | | | - Veronika Hruschka
- Ludwig Boltzmann Institute for Experimental and Clinical TraumatologyVienna, Austria
| | - Heinz Redl
- Ludwig Boltzmann Institute for Experimental and Clinical TraumatologyVienna, Austria
| | - Brian R Saunders
- School of Materials, University of ManchesterManchester, M13 9PL, UK
| | | | | |
Collapse
|
24
|
Zamparelli A, Zini N, Cattini L, Spaletta G, Dallatana D, Bassi E, Barbaro F, Iafisco M, Mosca S, Parrilli A, Fini M, Giardino R, Sandri M, Sprio S, Tampieri A, Maraldi NM, Toni R. Growth on poly(L-lactic acid) porous scaffold preserves CD73 and CD90 immunophenotype markers of rat bone marrow mesenchymal stromal cells. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2014; 25:2421-2436. [PMID: 24997163 DOI: 10.1007/s10856-014-5259-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2013] [Accepted: 06/14/2014] [Indexed: 06/03/2023]
Abstract
Few data are available on the effect of biomaterials on surface antigens of mammalian bone marrow-derived, adult mesenchymal stromal cells (MSCs). Since poly(L-lactic acid) or PLLA is largely used in tissue engineering of human bones, and we are developing a reverse engineering program to prototype with biomaterials the vascular architecture of bones for their bioartificial reconstruction, both in humans and animal models, we have studied the effect of porous, flat and smooth PLLA scaffolds on the immunophenotype of in vitro grown, rat MSCs in the absence of any coating, co-polymeric enrichment, and differentiation stimuli. Similar to controls on plastic, we show that our PLLA scaffold does not modify the distribution of some surface markers in rat MSCs. In particular, the maintained expression of CD73 and CD90 on two different subpopulations (small and large cells) is consistent with their adhesion to the PLLA scaffold through specialized appendages, and to their prominent content in actin. In addition, our PLLA scaffold favours retention of the intermediate filament desmin, believed a putative marker of undifferentiated state. Finally, it preserves all rat MSCs morphotypes, and allows for their survival, adhesion to the substrate, and replication. Remarkably, a subpopulation of rat MSCs grown on our PLLA scaffold exhibited formation of membrane protrusions of uncertain significance, although in a size range and morphology compatible with either motility blebs or shedding vesicles. In summary, our PLLA scaffold has no detrimental effect on a number of features of rat MSCs, primarily the expression of CD73 and CD90.
Collapse
Affiliation(s)
- Alessandra Zamparelli
- Department of Biomedical, Biotechnological and Translational Sciences (S.Bi.Bi.T) - Laboratory of Regenerative Morphology and Bioartificial Structures/S.Bi.Bi.T. Museum - Section of Human Anatomy, University of Parma, Parma, Italy
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
25
|
Fan X, Nosov M, Carroll W, Gorelov A, Elvira C, Rochev Y. Macrophages behavior on different NIPAm-based thermoresponsive substrates. J Biomed Mater Res A 2013; 102:2901-10. [DOI: 10.1002/jbm.a.34940] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Revised: 08/08/2013] [Accepted: 09/05/2013] [Indexed: 11/11/2022]
Affiliation(s)
- Xingliang Fan
- National Centre for Biomedical Engineering Science; National University of Ireland; Galway Ireland
| | - Mikhail Nosov
- Regenerative Medicine Institute; National University of Ireland; Galway Ireland
- FarmLab Diagnostics, Emlagh, Elphin, co; Roscommon Ireland
| | - William Carroll
- School of Chemistry; National University of Ireland; Galway Ireland
| | - Alexander Gorelov
- School of Chemistry and Chemical Biology; University College Dublin; Dublin Ireland
| | - Carlos Elvira
- 1-Instituto de Ciencía y tecnologia de Polímeros; ICTP-CSIC.; Juan de la Cierva 3 20006 Madrid Spain
| | - Yury Rochev
- National Centre for Biomedical Engineering Science; National University of Ireland; Galway Ireland
- School of Chemistry; National University of Ireland; Galway Ireland
| |
Collapse
|
26
|
McLaughlin MM, Marra KG. The use of adipose-derived stem cells as sheets for wound healing. Organogenesis 2013; 9:79-81. [PMID: 23764648 DOI: 10.4161/org.24946] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Cellular therapies have shown immense promise in the treatment of nonhealing wounds. Cell sheets are an emerging strategy in tissue engineering, and these cell sheets are promising as a delivery method of mesenchymal stem cells to the wound bed. Cell sheet technology utilizes temperature dependent polymers to allow for lifting of cultured cells and extracellular matrix without the use of digestive enzymes. While mesenchymal stem cells (MSCs) have shown success in cell sheets for myocardial repair, examination of cell sheets in the field of wound healing has been limited. We previously developed a novel cell sheet composed of human adipose-derived stem cells (ASCs). Both single and triple layer cell sheets were examined in a full-thickness murine wound model. The treatment cell sheets were compared with untreated controls and analyzed at timepoints of 7, 14, 18 and 21 d. The ASC cell sheets showed increased healing at 7, 14 and 18 d, and this effect was increased in the triple layer cell sheet group. Future development of these cell sheets will focus on increasing angiogenesis in the wound bed, utilizing multiple cell types, and examining allogeneic cell sheets. Here we review our experiment, expand upon our future directions and discuss the potential of an off-the-shelf cell sheet. In the field of wound healing, such a cell sheet is both clinically and scientifically exciting.
Collapse
Affiliation(s)
- Meghan M McLaughlin
- Department of Plastic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | | |
Collapse
|