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Guo N, Song Y, Yan J, Jiang M, Xu Y, Li Z, Wei Q. The Effect of Cryopreservation on the Survival of Nocardia farcinica and Yersinia pestis vaccine strains. Biopreserv Biobank 2023; 21:397-406. [PMID: 36126300 DOI: 10.1089/bio.2022.0049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Pathogenic microorganisms are valuable biological resources, closely related to biosecurity, human health, environmental protection, and renewable energy. It is very important to properly preserve the microbial resources by methods to maintain the purity, viability, and integrity, and to avoid prolonged degradation. The present work aims to explore the cryopreservation technology of Nocardia farcinica (Gram-positive bacteria) and Yersinia pestis vaccine strains (Gram-negative bacteria). The effects of cryoprotectants (CPAs), freezing temperature, and freeze-thaw cycles on the two bacteria in the cryopreservation process were studied. The results showed that the addition of CPAs (glycerol, propylene glycol, sucrose, glucose, l-carnitine, l-proline, and skim milk) significantly enhanced the survival rates of the N. farcinica and Y. pestis vaccine strains. However, high concentrations of CPAs can produce biochemical toxicity in the two pathogens. The utilization of composite CPAs not only reduced the toxicity but also improved the survival rates of samples during cryopreservation. The optimal composite CPA for N. farcinica is 0.292 M sucrose, 0.62 M l-carnitine, and 2.82 M glycerol. The optimal composite CPA for Y. pestis is 0.62 M l-carnitine, 8.46 M glycerin, and 0.292 M sucrose. The results showed that the quality of the strains stored at -80°C and -196°C was better. For the case of freeze-thaw cycles, the two pathogens have different degrees of reduction, and the survival rate of Y. pestis decreased more than that of N. farcinica. The uniform distribution of bacteria in CPAs can form uniform nucleation sites in the solution system, which is beneficial to the cryopreservation of strains, as can be seen from the experimental results from a differential scanning calorimeter. This study may provide a reference for better preservation of precious natural biological resources of pathogenic microorganisms.
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Affiliation(s)
- Ning Guo
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai, China
| | - Yang Song
- National Pathogen Resource Center (NPRC), Chinese Center for Disease Control and Prevention, Beijing, China
| | - Jianing Yan
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai, China
| | - Mengnan Jiang
- National Pathogen Resource Center (NPRC), Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yi Xu
- Institute of Biothermal Science & Technology, University of Shanghai for Science and Technology, Shanghai, China
| | - Zhenjun Li
- National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Qiang Wei
- National Pathogen Resource Center (NPRC), Chinese Center for Disease Control and Prevention, Beijing, China
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Das Mahanta D, Brown DR, Pezzotti S, Han S, Schwaab G, Shell MS, Havenith M. Local solvation structures govern the mixing thermodynamics of glycerol-water solutions. Chem Sci 2023; 14:7381-7392. [PMID: 37416713 PMCID: PMC10321518 DOI: 10.1039/d3sc00517h] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 06/12/2023] [Indexed: 07/08/2023] Open
Abstract
Glycerol is a major cryoprotective agent and is widely used to promote protein stabilization. By a combined experimental and theoretical study, we show that global thermodynamic mixing properties of glycerol and water are dictated by local solvation motifs. We identify three hydration water populations, i.e., bulk water, bound water (water hydrogen bonded to the hydrophilic groups of glycerol) and cavity wrap water (water hydrating the hydrophobic moieties). Here, we show that for glycerol experimental observables in the THz regime allow quantification of the abundance of bound water and its partial contribution to the mixing thermodynamics. Specifically, we uncover a 1 : 1 connection between the population of bound waters and the mixing enthalpy, which is further corroborated by the simulation results. Therefore, the changes in global thermodynamic quantity - mixing enthalpy - are rationalized at the molecular level in terms of changes in the local hydrophilic hydration population as a function of glycerol mole fraction in the full miscibility range. This offers opportunities to rationally design polyol water, as well as other aqueous mixtures to optimize technological applications by tuning mixing enthalpy and entropy based on spectroscopic screening.
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Affiliation(s)
- Debasish Das Mahanta
- Lehrstuhl für Physikalische Chemie II, Ruhr-Universität Bochum 44780 Bochum Germany
- Department of Physics, Technische Universität Dortmund 44227 Dortmund Germany
| | - Dennis Robinson Brown
- Department of Chemical Engineering, University of California Santa Barbara California 93106-5080 USA
| | - Simone Pezzotti
- Lehrstuhl für Physikalische Chemie II, Ruhr-Universität Bochum 44780 Bochum Germany
| | - Songi Han
- Department of Chemical Engineering, University of California Santa Barbara California 93106-5080 USA
- Department of Chemistry and Biochemistry, University of California Santa Barbara California 93106-9510 USA
| | - Gerhard Schwaab
- Lehrstuhl für Physikalische Chemie II, Ruhr-Universität Bochum 44780 Bochum Germany
| | - M Scott Shell
- Department of Chemical Engineering, University of California Santa Barbara California 93106-5080 USA
| | - Martina Havenith
- Lehrstuhl für Physikalische Chemie II, Ruhr-Universität Bochum 44780 Bochum Germany
- Department of Physics, Technische Universität Dortmund 44227 Dortmund Germany
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Abstract
Metabolomics is a powerful tool that can systematically describe global changes in the metabolome of microbes, thus improving our understanding of the mechanisms of action of antibiotics and facilitating the development of next-generation antibacterial therapies. However, current sample preparation methods are not efficient or reliable for studying the effects of antibiotics on microbes. In the present study, we reported a novel sample preparation approach using cold methanol/ethylene glycol for quenching Escherichia coli, thus overcoming the loss of intracellular metabolites caused by cell membrane damage. After evaluating the extraction efficiency of several extraction methods, we employed the optimized workflow to profile the metabolome of E. coli exposed to cephalexin. In doing so, we proved the utility of the proposed approach and provided insights into the comprehensive metabolic alterations associated with antibiotic treatment. IMPORTANCE The emergence and global spread of multidrug-resistant bacteria and genes are a global problem. It is critical to understand the interactions between antibiotics and bacteria and find alternative treatments for infections when we are moving closer to a postantibiotic era. It has been demonstrated that the bacterial metabolic environment plays an important role in the modulation of antibiotic susceptibility and efficacy. In the present study, we proposed a novel metabolomic approach for intracellular metabolite profiling of E. coli, which can be used to investigate the metabolite alterations of bacteria caused by antibiotic treatment. Further understanding of antibiotic-induced perturbations of bacterial metabolism would facilitate the discovery of new therapeutic targets and pathways.
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Cryopreservation of Stem Cells. Stem Cells 2021. [DOI: 10.1007/978-981-16-1638-9_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Research Progress of the Application of Hypothermia in the Eye. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:3897168. [PMID: 33381263 PMCID: PMC7758138 DOI: 10.1155/2020/3897168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 12/04/2020] [Accepted: 12/07/2020] [Indexed: 02/07/2023]
Abstract
Hypothermia is widely used in the medical field to protect organs or tissues from damage. Different research fields have different explanations of the protection mechanism of hypothermia. Hypothermia is also widely used in the field of ophthalmology, for example, in the eye bank, the preservation of corneal tissue and the preservation of the eyeball. Low temperature can also be applied to some ophthalmic diseases, such as allergic conjunctivitis, retinal ischemia, and retinal hypoxia. It is used to relieve eye symptoms or reduce tissue damage. Hypothermic techniques have important applications in ophthalmic surgery, such as corneal refractive surgery, vitrectomy surgery, and ciliary body cryotherapy for end-stage glaucoma. Hypothermia can reduce the inflammation of the cornea and protect the retinal tissue. The eyeball is a complex organ, including collagen tissue of the eyeball wall and retinal nerve tissue and retinal blood vessels. The mechanism of low temperature protecting eye tissue is complicated. It is important to understand the mechanism of hypothermia and its applications in ophthalmology. This review introduces the mechanism of hypothermia and its application in the eye banks, eye diseases (allergic conjunctivitis, retinal ischemia, and hypoxia), and eye surgeries (corneal transplant surgery, corneal refractive surgery, and vitrectomy).
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Ghareeb AE, Lako M, Figueiredo FC. Recent Advances in Stem Cell Therapy for Limbal Stem Cell Deficiency: A Narrative Review. Ophthalmol Ther 2020; 9:809-831. [PMID: 32970311 PMCID: PMC7708613 DOI: 10.1007/s40123-020-00305-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 09/15/2020] [Indexed: 12/13/2022] Open
Abstract
Destruction of the limbus and depletion of limbal stem cells (LSCs), the adult progenitors of the corneal epithelium, leads to limbal stem cell deficiency (LSCD). LSCD is a rare, progressive ocular surface disorder which results in conjunctivalisation and neovascularisation of the corneal surface. Many strategies have been used in the treatment of LSCD, the common goal of which is to regenerate a self-renewing, transparent, and uniform epithelium on the corneal surface. The development of these techniques has frequently resulted from collaboration between stem cell translational scientists and ophthalmologists. Direct transplantation of autologous or allogeneic limbal tissue from a healthy donor eye is regarded by many as the technique of choice. Expansion of harvested LSCs in vitro allows smaller biopsies to be taken from the donor eye and is considered safer and more acceptable to patients. This technique may be utilised in unilateral cases (autologous) or bilateral cases (living related donor). Recently developed, simple limbal epithelial transplant (SLET) can be performed with equally small biopsies but does not require in vitro cell culture facilities. In the case of bilateral LSCD, where autologous limbal tissue is not available, autologous oral mucosa epithelium can be expanded in vitro and transplanted to the diseased eye. Data on long-term outcomes (over 5 years of follow-up) for many of these procedures is needed, and it remains unclear how they produce a self-renewing epithelium without recreating the vital stem cell niche. Bioengineering techniques offer the ability to re-create the physical characteristics of the stem cell niche, while induced pluripotent stem cells offer an unlimited supply of autologous LSCs. In vivo confocal microscopy and anterior segment OCT will complement impression cytology in the diagnosis, staging, and follow-up of LSCD. In this review we analyse recent advances in the pathology, diagnosis, and treatment of LSCD.
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Affiliation(s)
- Ali E Ghareeb
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK.,Department of Ophthalmology, Royal Victoria Infirmary, Newcastle Hospitals NHS Foundation Trust, Newcastle-upon-Tyne, UK
| | - Majlinda Lako
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK
| | - Francisco C Figueiredo
- Biosciences Institute, Newcastle University, Newcastle-upon-Tyne, UK. .,Department of Ophthalmology, Royal Victoria Infirmary, Newcastle Hospitals NHS Foundation Trust, Newcastle-upon-Tyne, UK.
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Wang S, Yuan X, Zhou J, Jin J, Zuo Q, Li B. Comparison of the effects of three cryoprotectants on the cryopreservation of mouse subcutaneous tissue under different conditions. Exp Ther Med 2020; 20:3285-3289. [PMID: 32855699 PMCID: PMC7444325 DOI: 10.3892/etm.2020.9076] [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: 03/11/2020] [Accepted: 07/01/2020] [Indexed: 11/14/2022] Open
Abstract
The subcutaneous tissue of animals contains different cell types, and different cells have different requirements for cryopreservation. This establishes obstacles that need to be overcome in the clinical application of tissue preservation. In the present study, the effects of different freezing rates and various concentrations of cryoprotectants on the cryopreservation of subcutaneous tissue of mice were compared, and these results provided basic research data that can be used to explore the optimal cryopreservation method for tissue. The effects of three cryoprotectants, dimethyl sulfoxide, glycerinum and 1,2-propanediol, and their concentrations on the cryopreservation of subcutaneous tissue of mice were compared with slow and rapid freezing rates. The results revealed that under various cryopreservation conditions, the percentage of fibroblasts that grow from the tissue following slow cryopreservation (19.8%) was significantly higher than that following rapid freezing (6.7%) at osmotic equilibrium for 10-20 min (P<0.05). After 19 days of culture, under the conditions of slow freezing, with 10, 20 and 30% glycerinum as a cryoprotectant, respectively, fibroblasts grew from 26.0, 16.7 and 16.7% of the tissues, respectively. No fibroblasts were indicated in the tissue mass cultured in any other tissue blocks treated with cryopreservation solutions. Under the condition of rapid freezing, fibroblasts grew from 6.7 and 6.7% tissue blocks of 20% DMSO and 10% glycerinum, respectively, following 19 days of culture. No fibroblasts were identified in the tissue mass cultured in the other tissue blocks treated with cryopreservation solutions, and no fibroblasts were identified in the tissue blocks without osmotic balance before freezing.
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Affiliation(s)
- Shengcun Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China.,Laboratory Animal Center, Nantong University, Nantong, Jiangsu 226000, P.R. China
| | - Xia Yuan
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Jing Zhou
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Jing Jin
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Qisheng Zuo
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
| | - Bichun Li
- College of Animal Science and Technology, Yangzhou University, Yangzhou, Jiangsu 225009, P.R. China
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Jeong YH, Kim U, Lee SG, Ryu B, Kim J, Igor A, Kim JS, Jung CR, Park JH, Kim CY. Vitrification for cryopreservation of 2D and 3D stem cells culture using high concentration of cryoprotective agents. BMC Biotechnol 2020; 20:45. [PMID: 32843026 PMCID: PMC7449025 DOI: 10.1186/s12896-020-00636-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 08/10/2020] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Vitrification is the most promising technology for successful cryopreservation of living organisms without ice crystal formation. However, high concentrations (up to ~ 6-8 M) of cryoprotective agents (CPAs) used in stem cell induce osmotic and metabolic injuries. Moreover, the application of conventional slow-freezing methods to cultures of 3-D organoids of stem cells in various studies, is limited by their size. RESULTS In this study, we evaluated the effect of high concentrations of CPAs including cytotoxicity and characterized human mesenchymal stem cell (MSC) at single cell level. The cell viability, cellular damage, and apoptotic mechanisms as well as the proliferation capacity and multipotency of cells subjected to vitrification were similar to those in the slow-freezing group. Furthermore, we identified the possibility of vitrification of size-controlled 3-D spheroids for cryopreservation of organoid with high survivability. CONCLUSIONS Our results demonstrate successful vitrification of both single cell and spheroid using high concentration of CPAs in vitro without cytotoxicity.
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Affiliation(s)
- Young-Hoon Jeong
- Department of Stem Cell Biology, School of Medicine, Konkuk University, Seoul, 05029, Republic of Korea
| | - Ukjin Kim
- Department of Laboratory Animal Medicine, Research Institute for Veterinary Science, BK21 PLUS Program for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea
| | - Seul-Gi Lee
- Department of Stem Cell Biology, School of Medicine, Konkuk University, Seoul, 05029, Republic of Korea
| | - Bokyeong Ryu
- Department of Laboratory Animal Medicine, Research Institute for Veterinary Science, BK21 PLUS Program for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea
| | - Jin Kim
- Department of Laboratory Animal Medicine, Research Institute for Veterinary Science, BK21 PLUS Program for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea
| | | | - Jong Soo Kim
- Department of Stem Cell Biology, School of Medicine, Konkuk University, Seoul, 05029, Republic of Korea
| | - Cho-Rok Jung
- Gene Therapy Research Unit, Korea Research Institute of Bioscience and Biotechnology, Daejeon, 34141, Republic of Korea
| | - Jae-Hak Park
- Department of Laboratory Animal Medicine, Research Institute for Veterinary Science, BK21 PLUS Program for Creative Veterinary Science Research, College of Veterinary Medicine, Seoul National University, Seoul, 08826, Republic of Korea
| | - C-Yoon Kim
- Department of Stem Cell Biology, School of Medicine, Konkuk University, Seoul, 05029, Republic of Korea. .,Kriorus, Klimentovsky Per, 115184, Moscow, Russia.
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Zhu Z, Qiao L, Liu F, He J, Rao X, Zhang S, Tang P. Dimethyl Sulfoxide is Less Effective in Immersing Cryopreserved Large Pieces of Tissue: A Rabbit Hind-Limb Model. Med Sci Monit 2019; 25:7908-7913. [PMID: 31638104 PMCID: PMC6821440 DOI: 10.12659/msm.917775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Background Dimethyl sulfoxide (DMSO) cryoprotectant can effectively alleviate the damage to single tissue during cryopreservation and restore its physiological activity after rewarming. However, studies have not been successful for preserving large tissue. This study aimed to investigate the application conditions of DMSO in large composite-tissue by performing femoral artery perfusion and soaking in a rabbit hind-limb model. Material/Methods A microdialysis-freezing point osmometer was used to detect the minimum time required for effective perfusion of 10% v/v perfusion and 20% v/v perfusion group. Magnetic resonance spectroscopy (MRS) was used to detect the area under the spectrum peak of DMSO in perivascular, intramuscular, subcutaneous areas, and compare the area under the spectrum peak in the 20% vascular perfusion group and other whole immersion groups. Results The minimum time required for effective perfusion of muscle in the 10% v/v group was 30 minutes, the DMSO concentration was stable at 5% v/v; In the 20% v/v group the minimum time was at 20 minutes, stable at 12% v/v. There was a statistically difference of the area under the spectrum peak in the 10% group and the 20% v/v group after vascular perfusion in different tissue locations (P<0.05). The 20% vascular perfusion group and the different concentration of DMSO in the large tissue soaking group were statistically different (P<0.05). There was a significant difference in the 20% v/v vascular perfusion group compared to the low concentration immersion group, but no difference compared to the 50% immersion group. Conclusions The effect of blood perfusion on cryopreservation in large tissue by using DMSO was slightly better than overall soaking, especially in preservation of skin and subcutaneous tissue.
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Affiliation(s)
- Zexing Zhu
- Department of Orthopaedics, Chinese PLA General Hospital, Medical School of Chinese People's Liberation Army (PLA), Beijing, China (mainland).,Department of Orthopaedics, Rocket Force General Hospital of People's Liberation Army (PLA), Beijing, China (mainland)
| | - Lin Qiao
- Department of Orthopaedics, Rocket Force General Hospital of People's Liberation Army (PLA), Beijing, China (mainland)
| | - Fuzhou Liu
- Department of Orthopaedics, Rocket Force General Hospital of People's Liberation Army (PLA), Beijing, China (mainland)
| | - Jianping He
- Department of Orthopaedics, Beijing Pinggu Hospital, Beijing, China (mainland)
| | - Xiang Rao
- Department of Anesthesiology, 532 Hospital of People's Liberation Army (PLA), Beijing, China (mainland)
| | - Shuming Zhang
- Department of Orthopaedics, Rocket Force General Hospital of People's Liberation Army (PLA), Beijing, China (mainland)
| | - Peifu Tang
- Department of Orthopaedics, Chinese PLA General Hospital, Medical School of Chinese People's Liberation Army (PLA), Beijing, China (mainland)
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Calonge M, Pérez I, Galindo S, Nieto-Miguel T, López-Paniagua M, Fernández I, Alberca M, García-Sancho J, Sánchez A, Herreras JM. A proof-of-concept clinical trial using mesenchymal stem cells for the treatment of corneal epithelial stem cell deficiency. Transl Res 2019; 206:18-40. [PMID: 30578758 DOI: 10.1016/j.trsl.2018.11.003] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 10/18/2018] [Accepted: 11/18/2018] [Indexed: 01/02/2023]
Abstract
Ocular stem cell transplantation derived from either autologous or allogeneic donor corneoscleral junction is a functional cell therapy to manage extensive and/or severe limbal stem cell deficiencies that lead to corneal epithelial failure. Mesenchymal stem cells have been properly tested in animal models of this ophthalmic pathology, but never in human eyes despite their potential advantages. We conducted a 6- to 12-month proof-of-concept, randomized, and double-masked pilot trial to test whether allogeneic bone marrow-derived mesenchymal stem cell transplantation (MSCT], n = 17) was as safe and as equally efficient as allogeneic cultivated limbal epithelial transplantation (CLET), (n = 11) to improve corneal epithelial damage due to limbal stem cell deficiency. Primary endpoints demanded combination of symptoms, signs, and the objective improvement of the epithelial phenotype in central cornea by in vivo confocal microscopy. This proof-of-concept trial showed that MSCT was as safe and efficacious as CLET. Global success at 6-12 months was 72.7%-77.8% for CLET cases and 76.5%-85.7% for MSCT cases (not significant differences). Central corneal epithelial phenotype improved in 71.4% and 66.7% of MSCT and CLET cases, respectively at 12 months (P = 1.000). There were no adverse events related to cell products. This trial suggests first evidence that MSCT facilitated improvement of a diseased corneal epithelium due to lack of its stem cells as efficiently as CLET. Consequently, not only CLET but also MSCT deserves more preclinical investigational resources before the favorable results of this proof-of-concept trial could be transformed into the larger numbers of the multicenter trials that would provide stronger evidence. (ClinicalTrials.gov number, NCT01562002.).
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Affiliation(s)
- Margarita Calonge
- IOBA (Institute of Applied Ophthalmobiology), University of Valladolid, Valladolid, Spain; CIBER-BBN (Biomedical Research Networking Centre in Bioengineering, Biomaterials, and Nanomedicine), Carlos III National Institute of Health, Valladolid, Spain.
| | - Inmaculada Pérez
- IOBA (Institute of Applied Ophthalmobiology), University of Valladolid, Valladolid, Spain.
| | - Sara Galindo
- IOBA (Institute of Applied Ophthalmobiology), University of Valladolid, Valladolid, Spain; CIBER-BBN (Biomedical Research Networking Centre in Bioengineering, Biomaterials, and Nanomedicine), Carlos III National Institute of Health, Valladolid, Spain.
| | - Teresa Nieto-Miguel
- IOBA (Institute of Applied Ophthalmobiology), University of Valladolid, Valladolid, Spain; CIBER-BBN (Biomedical Research Networking Centre in Bioengineering, Biomaterials, and Nanomedicine), Carlos III National Institute of Health, Valladolid, Spain.
| | - Marina López-Paniagua
- IOBA (Institute of Applied Ophthalmobiology), University of Valladolid, Valladolid, Spain; CIBER-BBN (Biomedical Research Networking Centre in Bioengineering, Biomaterials, and Nanomedicine), Carlos III National Institute of Health, Valladolid, Spain.
| | - Itziar Fernández
- IOBA (Institute of Applied Ophthalmobiology), University of Valladolid, Valladolid, Spain; CIBER-BBN (Biomedical Research Networking Centre in Bioengineering, Biomaterials, and Nanomedicine), Carlos III National Institute of Health, Valladolid, Spain.
| | - Mercedes Alberca
- IBGM (Institute of Molecular Biology and Genetics), University of Valladolid and National Research Council (CSIC), and University Scientific Park, Valladolid, Spain.
| | - Javier García-Sancho
- IBGM (Institute of Molecular Biology and Genetics), University of Valladolid and National Research Council (CSIC), and University Scientific Park, Valladolid, Spain.
| | - Ana Sánchez
- IBGM (Institute of Molecular Biology and Genetics), University of Valladolid and National Research Council (CSIC), and University Scientific Park, Valladolid, Spain.
| | - José M Herreras
- IOBA (Institute of Applied Ophthalmobiology), University of Valladolid, Valladolid, Spain; CIBER-BBN (Biomedical Research Networking Centre in Bioengineering, Biomaterials, and Nanomedicine), Carlos III National Institute of Health, Valladolid, Spain.
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