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Mohammad-Pour N, Moghimi V, Bidkhori HR, Momeni-Moghaddam M, Naderi-Meshkin H. Comparing the Effects of Two Cryoprotectant Protocols, Dimethyl-Sulfoxide (DMSO) and Glycerol, on the Recovery Rate of Cultured Keratinocytes on Amniotic Membrane. INT J LOW EXTR WOUND 2023:15347346231155751. [PMID: 36794512 DOI: 10.1177/15347346231155751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Background: Off-the-shelf supply of viable engineered tissue is critical for effective and fast treatment of life-threatening injuries such as deep burns. An expanded keratinocyte sheet on the human amniotic membrane (KC sheet-HAM) is a beneficial tissue-engineering product for wound healing. To access an on-hand supply for the widespread application and overcome the time-consuming process, it is necessary to develop a cryopreservation protocol that guarantees the higher recovery of viable keratinocyte sheets after freeze-thawing. This research aimed to compare the recovery rate of KC sheet-HAM after cryopreservation by dimethyl-sulfoxide (DMSO) and glycerol. Methods: Amniotic membrane was decellularized with trypsin, and keratinocytes were cultured on it to form a multilayer, flexible, easy-to-handle KC sheet-HAM. The effects of 2 different cryoprotectants were investigated by histological analysis, live-dead staining, and proliferative capacity assessments before and after cryopreservation. Results: KCs well adhered and proliferated on the decellularized amniotic membrane and successfully represented 3 to 4 stratified layers of epithelialization after 2 to 3 weeks culture period; making it easy to cut, transfer, and cryopreserve. However, viability and proliferation assay indicated that both DMSO and glycerol cryosolutions have detrimental effects on KCs, and KCs-sheet HAM could not recover to the control level after 8 days of culture post-cryo. The KC sheet lost its stratified multilayer nature on AM, and sheet layers were reduced in both cryo-groups compared to the control. Conclusion: Expanding keratinocytes on the decellularized amniotic membrane as a multilayer sheet made a viable easy-to-handle sheet, nonetheless cryopreservation reduced viability and affected histological structure after thawing. Although some viable cells were detectable, our research highlighted the need for a better cryoprotectant protocol other than DMSO and glycerol, specific for the successful banking of viable tissue constructs.
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Affiliation(s)
- Najmeh Mohammad-Pour
- Department of Biology, Faculty of Science, Hakim Sabzevari University, Sabzevar, Iran
- Stem Cells and Regenerative Medicine Department, Academic Center for Education, Culture and Research (ACECR)-Khorasan Razavi, Mashhad, Iran
| | - Vahid Moghimi
- Department of Biology, Faculty of Science, Hakim Sabzevari University, Sabzevar, Iran
- Stem Cells and Regenerative Medicine Department, Academic Center for Education, Culture and Research (ACECR)-Khorasan Razavi, Mashhad, Iran
| | - Hamid Reza Bidkhori
- Stem Cells and Regenerative Medicine Department, Academic Center for Education, Culture and Research (ACECR)-Khorasan Razavi, Mashhad, Iran
- Blood Borne Infections Research Center, Academic Center for Education, Culture and Research (ACECR)-Khorasan Razavi, Mashhad, Iran
| | - Madjid Momeni-Moghaddam
- Stem Cells and Regenerative Medicine Department, Academic Center for Education, Culture and Research (ACECR)-Khorasan Razavi, Mashhad, Iran
| | - Hojjat Naderi-Meshkin
- Stem Cells and Regenerative Medicine Department, Academic Center for Education, Culture and Research (ACECR)-Khorasan Razavi, Mashhad, Iran
- Wellcome-Wolfson Institute for Experimental Medicine, Belfast, UK
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2
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Re-Epithelialization of Neuropathic Diabetic Foot Wounds with the Use of Cryopreserved Allografts of Human Epidermal Keratinocyte Cultures (Epifast). J Clin Med 2022; 11:jcm11247348. [PMID: 36555962 PMCID: PMC9780794 DOI: 10.3390/jcm11247348] [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: 11/02/2022] [Revised: 11/29/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
The application of tissue-engineering technology to wound healing has become an option for the treatment of diabetic foot ulcers (DFU). A comparative, prospective study was conducted to assess the efficacy of a cryopreserved allograft of human epidermal keratinocytes (Epifast) to enhance wound healing in granulating DFU. Eighty patients were assigned to receive Epifast (n = 40) or Standard Care (SC) treatment (n = 40). The Epifast group displayed a shorter duration of the epithelialization phase (3.5 ± 4 vs. 6.4 ± 3.6 weeks, p < 0.05) and upon the entire wound healing process than the SC group (10 ± 5.7 vs. 14.5 ± 8.9 weeks, p < 0.05), reaching wound closure at 16 and 30 weeks, respectively. The Kaplan−Meier analysis revealed that Epifast group patients were 50% more likely than the SC to heal wounds faster (Cox-hazards ratio of 0.5, 95% CI = 0.3−0.8, p < 0.0001; Likelihood Ratio of 7.8. p < 0.05). Patients in the control group displayed a slower healing as the Saint Elian (SEWSS) severity grade increased (group differences of 0.6, 3.8, and 4.3 weeks for grades I, II, and III, respectively). DFW treated with Epifast displayed a shorter time to complete re-epithelialization than wounds treated with standard care.
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3
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Enhanced Survival and Accelerated Perfusion of Skin Flap to Recipient Site Following Administration of Human Amniotic Membrane in Rat Models. J Plast Reconstr Aesthet Surg 2022; 75:4321-4327. [DOI: 10.1016/j.bjps.2022.08.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 07/01/2022] [Accepted: 08/16/2022] [Indexed: 11/20/2022]
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4
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Jerman UD, Veranič P, Cirman T, Kreft ME. Human Amniotic Membrane Enriched with Urinary Bladder Fibroblasts Promote the Re-Epithelization of Urothelial Injury. Cell Transplant 2021; 29:963689720946668. [PMID: 32841052 PMCID: PMC7563929 DOI: 10.1177/0963689720946668] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
Culturing cells in three-dimensional systems that include extracellular matrix
components and different cell types mimic the native tissue and as such provide
much more representative results than conventional two-dimensional cell
cultures. In order to develop biomimetic bladder tissue in vitro, we used human
amniotic membrane (AM) extracellular matrix as a scaffold for bladder
fibroblasts (BFs) and urothelial cells. Our aims were to evaluate the
integration of BFs into the AM stroma, to assess the differentiation of the
urothelium on BFs-enriched AM scaffolds, and to evaluate the AM as a urothelial
wound dressing. First, to achieve the optimal integration of BFs into AM stroma,
different intact and de- epithelialized AM (dAM) scaffolds were tested. BFs
secreted matrix metalloproteinase (MMP)-1 and MMP-2 and integrated into the
stroma of all types of AM scaffolds. Second, to establish urothelial tissue
equivalent, urothelial cells were seeded on dAM scaffolds enriched with BFs. The
BFs in the stroma of the AM scaffolds promoted (1) the proliferation of
urothelial cells, (2) the attachment of urothelial cells on AM basal lamina with
hemidesmosomes, and (3) development of multilayered urothelium with expressed
uroplakins and well-developed cell junctions. Third, we established an ex vivo
model of the injured bladder to evaluate the dAM as a wound dressing for
urothelial full-thickness injury. dAM acted as a promising wound dressing since
it enabled rapid re-epithelization of urothelial injury and integrated into the
bladder tissue. Herein, the developed urothelial tissue equivalents enable
further mechanistic studies of bladder epithelial–mesenchymal interactions, and
they could be applied as biomimetic models for preclinical testing of newly
developed drugs. Moreover, we could hypothesize that AM may be suitable as a
dressing of the wound that occurs during transurethral resection of bladder
tumor, since it could diminish the possibility of tumor recurrence, by promoting
the rapid re-epithelization of the urothelium.
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Affiliation(s)
- Urška Dragin Jerman
- Institute of Cell Biology, 37664Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Peter Veranič
- Institute of Cell Biology, 37664Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Tina Cirman
- 86684Blood Transfusion Centre of Slovenia, Ljubljana, Slovenia
| | - Mateja Erdani Kreft
- Institute of Cell Biology, 37664Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
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Deus IA, Mano JF, Custódio CA. Perinatal tissues and cells in tissue engineering and regenerative medicine. Acta Biomater 2020; 110:1-14. [PMID: 32418650 DOI: 10.1016/j.actbio.2020.04.035] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/09/2020] [Accepted: 04/20/2020] [Indexed: 02/07/2023]
Abstract
Perinatal tissues are an abundant source of human extracellular matrix proteins, growth factors and stem cells with proved potential use in a wide range of therapeutic applications. Due to their placental origin, these tissues possess unique biological properties, including being angiogenic, anti-inflammatory, anti-fibrotic, anti-microbial and immune privileged. Additionally, as a temporary organ, placenta is usually discarded as a medical waste, thus providing an easily available, cost effective, 'unlimited' and ethical source of raw materials. Although some of these tissues, such as the amniotic membrane and umbilical cord, have been used in clinical practices, most of them continue to be highly under explored. This review aims to outline the most relevant applications of perinatal tissues as a source of biomaterials and stem cells in the exciting fields of tissue engineering and regenerative medicine (TERM), as well as highlight how these solutions can be used to overcome the shortage of adequate scaffolds and cell sources that currently hampers the translation of TERM strategies towards clinical settings. STATEMENT OF SIGNIFICANCE: Stem cells and extracellular matrix derived from perinatal tissues such as placenta and umbilical cord, have drawn great attention for use in a wide variety of applications in the biomedical field. Due to their origin, these tissues possess unique biological properties, including being angiogenic, anti-inflammatory, anti-fibrotic, anti-microbial and immune privileged. Also they are typically considered medical waste, thus providing an easily available, cost effective, 'unlimited' and ethical source of raw materials. This work aims to present and discuss the most relevant applications of perinatal tissues as a source of biomaterials and stem cells in the exciting fields of tissue engineering and regenerative medicine (TERM).
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McNamara SA, Hirt PA, Weigelt MA, Nanda S, de Bedout V, Kirsner RS, Schachner LA. Traditional and advanced therapeutic modalities for wounds in the paediatric population: an evidence-based review. J Wound Care 2020; 29:321-334. [PMID: 32530778 DOI: 10.12968/jowc.2020.29.6.321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Children can have non-healing wounds due to a wide range of pathologies, including epidermolysis bullosa (EB), pilonidal disease and Stevens-Johnson syndrome, with some causes being iatrogenic, including extravasation injuries and medical device-related hospital-acquired pressure ulcers. Furthermore, paediatric wounds are vastly different from adult wounds and therefore require a different treatment approach. While there are numerous types of dressings, topical remedies, and matrices with high-tier evidence to support their use in adults, evidence is scarce in the neonatal and paediatric age groups. The purpose of this review is to discuss the basic principles in paediatric wound management, as well as to present new treatment findings published in the literature to date. The benefits and risks of using different types of debridement are discussed in this review. Various topical formulations are also described, including the need to use antibiotics judiciously. METHOD Databases were searched for relevant sources including Pubmed, Embase, Web of Science and DynaMed. Search terms used included 'wound care', 'wound management', 'paediatrics', 'children', 'skin substitutes', and 'grafts'. Additionally, each treatment and disease entity was searched for relevant sources, including, for example: 'Apligraf', 'dermagraft', 'Manuka honey', 'antibiotic', 'timolol', and 'negative pressure wound therapy' (NPWT). RESULTS Amniotic membrane living skin equivalent is a cellular matrix that has been reportedly successful in treating paediatrics wounds and is currently under investigation in randomised clinical trials. Helicoll is an acellular matrix, which shows promise in children with recessive dystrophic EB. NPWT may be used as a tool to accelerate wound closure in children; however, caution must be taken due to limited evidence to support its safety and efficacy in the paediatric patient population. Integra has been reported as a useful adjunctive treatment to NPWT as both may act synergistically. Hospitalised children and neonates frequently have pressure ulcers, which is why prevention in this type of wound is paramount. CONCLUSION Advancements in wound care are rapidly expanding. Various treatments for non-healing wounds in paediatric and neonatal patients have been reported, but high tier evidence in these populations is scarce. We hope to shed light on existing evidence regarding the different therapeutic modalities, from debridement techniques and dressing types to tissue substitutes and topical remedies. There have been promising results in many studies to date, but RCTs involving larger sample sizes are necessary, in order to determine the specific role these innovative agents play in paediatric wounds and to identify true safety and efficacy.
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Affiliation(s)
- Stephanie A McNamara
- University of Miami Miller School of Medicine, Dr. Phillip Frost Dermatology and Cutaneous Surgery, 1321 NW 14th Street, Suite 506, Miami, FL 33125, US
| | - Penelope A Hirt
- University of Miami Miller School of Medicine, Dr. Phillip Frost Dermatology and Cutaneous Surgery, 1321 NW 14th Street, Suite 506, Miami, FL 33125, US
| | - Maximillian A Weigelt
- University of Miami Miller School of Medicine, Dr. Phillip Frost Dermatology and Cutaneous Surgery, 1321 NW 14th Street, Suite 506, Miami, FL 33125, US
| | - Sonali Nanda
- University of Miami Miller School of Medicine, Dr. Phillip Frost Dermatology and Cutaneous Surgery, 1321 NW 14th Street, Suite 506, Miami, FL 33125, US
| | - Valeria de Bedout
- University of Miami Miller School of Medicine, Dr. Phillip Frost Dermatology and Cutaneous Surgery, 1321 NW 14th Street, Suite 506, Miami, FL 33125, US
| | - Robert S Kirsner
- University of Miami Miller School of Medicine, Dr. Phillip Frost Dermatology and Cutaneous Surgery, 1321 NW 14th Street, Suite 506, Miami, FL 33125, US
| | - Lawrence A Schachner
- University of Miami Miller School of Medicine, Dr. Phillip Frost Dermatology and Cutaneous Surgery, 1321 NW 14th Street, Suite 506, Miami, FL 33125, US
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7
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Abstract
The skin is the largest organ in the body, fulfilling a variety of functions and acting as a barrier for internal organs against external insults. As for extensive or irreversible damage, skin autografts are often considered the gold standard, however inherent limitations highlight the need for alternative strategies. Engineering of human-compatible tissues is an interdisciplinary and active field of research, leading to the production of scaffolds and skin substitutes to guide repair and regeneration. However, faithful reproduction of extracellular matrix (ECM) architecture and bioactive content capable of cell-instructive and cell-responsive properties remains challenging. ECM is a heterogeneous, connective network composed of collagens, glycoproteins, proteoglycans, and small molecules. It is highly coordinated to provide the physical scaffolding, mechanical stability, and biochemical cues necessary for tissue morphogenesis and homeostasis. Decellularization processes have made it possible to isolate the ECM in its native and three-dimensional form from a cell-populated tissue for use in skin regeneration. In this review, we present recent knowledge about these decellularized biomaterials with the potential to be used as dermal or skin substitutes in clinical applications. We detail tissue sources and clinical indications with success rates and report the most effective decellularization methods compatible with clinical use.
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Paggiaro AO, Mathor MB, Teodoro WR, Isaac C, Capelozzi VL, Gemperli R. Evaluation of Radiosterilized Glyercerolated Amniotic Membranes as a Substrate for Cultured Human Epithelial Cells. Organogenesis 2020; 16:27-41. [PMID: 32063078 DOI: 10.1080/15476278.2020.1723366] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Human amniotic membrane (HAM) is a biomaterial with biological properties beneficial to tissue repair, serving as a substrate for cell cultivation. Irradiation is used for tissue sterilization, but can damage the HAM structure. The objective of this paper was to construct a skin substitute, composed of human keratinocytes cultured on glycerolated HAMs, and to evaluate the influence radiation on subsequent cell culture growth. Four batches of HAMs were glycerolated, and half of them were radio-sterilzed with 25 kGy. Non-irradiated glycerolated HAM (ni-HAM) and irradiated glycerolated HAM (i-HAM) samples were then de-epithelized and analyzed using optical microscopy (Picrossirius staining), immunofluorescence and electron microscopy. Subsequently, keratinocytes were cultured on ni- and i-HAMs, and either immersed or positioned at the air-liquid interface. The basement membranes of the ni-HAM group remained intact following de-epithelialization, whereas the i-HAM group displayed no evidence or remnant presence of these membranes. Concerning the keratinocyte cultures, the ni-HAM substrate promoted the growth of multi-layered and differentiated epithelia. Keratinocytes cultured on i-HAM formed epithelium composed of three layers of stratification and discrete cell differentiation. The glycerolated HAM was compatible with cultured epithelia, demonstrating its potential as a skin substitute. Irradiation at 25 kGy caused structural damage to the amnion.
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Affiliation(s)
- André O Paggiaro
- Universidade de Guarulhos, Nursing Pós Graduation, Guarulhos, Brazil.,Universidade de São Paulo, Faculdade de Medicine, São Paulo, Brazil
| | - Monica B Mathor
- IPEN- Instituto de Pesquisa Energéticas e Nucleares, São Paulo, Brazil
| | - Walcy R Teodoro
- Universidade de São Paulo, Faculdade de Medicine, São Paulo, Brazil
| | - Cesár Isaac
- Universidade de São Paulo, Faculdade de Medicine, São Paulo, Brazil
| | - Vera L Capelozzi
- Universidade de São Paulo, Faculdade de Medicine, São Paulo, Brazil
| | - Rolf Gemperli
- Universidade de São Paulo, Faculdade de Medicine, São Paulo, Brazil
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9
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Human Amniotic Membrane as a Matrix for Endothelial Differentiation of VEGF-Treated Dental Stem Cells. Cell Mol Bioeng 2019. [DOI: 10.1007/s12195-019-00596-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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10
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Fowler AW, Gilbertie JM, Watson VE, Prange T, Osborne JA, Schnabel LV. Effects of acellular equine amniotic allografts on the healing of experimentally induced full-thickness distal limb wounds in horses. Vet Surg 2019; 48:1416-1428. [PMID: 31385329 DOI: 10.1111/vsu.13304] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 07/01/2019] [Accepted: 07/17/2019] [Indexed: 02/06/2023]
Abstract
OBJECTIVE To characterize the growth factors contained in equine amniotic membrane allograft (eAM; StemWrap scaffold and StemWrap+ injection) and to evaluate the effect of eAM on equine distal limb wound healing. STUDY DESIGN Prospective experimental controlled study. SAMPLE POPULATION Eight adult horses. METHODS Transforming growth factor (TGF)-β1, vascular endothelial growth factor (VEGF), epidermal growth factor, platelet-derived growth factor-BB, and prostaglandin E2 (PGE2 ) concentrations in StemWrap+ were assessed with enzyme-linked immunosorbent assay. Two full-thickness 6.25-cm2 skin wounds were created on each metacarpus. On one forelimb, one wound was treated with eAM, and the other was left untreated (eAM control). On the contralateral limb, one wound was treated with a silicone dressing, and the other served as negative control. Three-dimensional images were obtained to determine wound circumference and surface area analyses at each bandage change until healed. Excessive granulation tissue was debrided once weekly for 4 weeks. Biopsy samples were taken to evaluate quality of wound healing via histologic and immunohistochemistry assays. RESULTS StemWrap+ contained moderate concentrations of TGF-β1 (494.10 pg/mL), VEGF (212.52 pg/mL), and PGE2 (1811.61 pg/mL). Treatment of wounds with eAM did not affect time to healing or histologic quality of the healing compared with other groups but was associated with increased granulation tissue production early in the study, particularly on day 7. CONCLUSION Application of eAM resulted in increased granulation tissue production while maintaining appropriate healing of experimental wounds. CLINICAL SIGNIFICANCE Use of eAM is likely most beneficial for substantial wounds in which expedient production of large amounts of granulation tissue is desirable.
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Affiliation(s)
- Alexander W Fowler
- Department of Clinical Sciences, North Carolina State University College of Veterinary Medicine, Raleigh, North Carolina
| | - Jessica M Gilbertie
- Department of Clinical Sciences, North Carolina State University College of Veterinary Medicine, Raleigh, North Carolina.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina
| | - Victoria E Watson
- Department of Pathobiology and Diagnostic Investigation, Michigan State University College of Veterinary Medicine, East Lansing, Michigan
| | - Timo Prange
- Department of Clinical Sciences, North Carolina State University College of Veterinary Medicine, Raleigh, North Carolina
| | - Jason A Osborne
- Department of Statistics, North Carolina State University, Raleigh, North Carolina
| | - Lauren V Schnabel
- Department of Clinical Sciences, North Carolina State University College of Veterinary Medicine, Raleigh, North Carolina.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina
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11
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Cui H, Chai Y, Yu Y. Progress in developing decellularized bioscaffolds for enhancing skin construction. J Biomed Mater Res A 2019; 107:1849-1859. [PMID: 30942934 DOI: 10.1002/jbm.a.36688] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 01/22/2019] [Accepted: 03/19/2019] [Indexed: 01/11/2023]
Affiliation(s)
- Haomin Cui
- Department of Orthopedic SurgeryShanghai Jiao Tong University Affiliated Sixth People's Hospital Shanghai China
| | - Yimin Chai
- Department of Orthopedic SurgeryShanghai Jiao Tong University Affiliated Sixth People's Hospital Shanghai China
| | - Yaling Yu
- Department of Orthopedic SurgeryShanghai Jiao Tong University Affiliated Sixth People's Hospital Shanghai China
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12
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Zarei H, Karimpour A, Reza Khalatbary A, Talebpour Amiri F. Homing of adipose stem cells on the human amniotic membrane as a scaffold: A histological study. Int J Reprod Biomed 2019; 18:21-32. [PMID: 32043068 PMCID: PMC6996125 DOI: 10.18502/ijrm.v18i1.6193] [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: 09/05/2018] [Revised: 03/03/2019] [Accepted: 08/14/2019] [Indexed: 11/24/2022] Open
Abstract
BACKGROUND The human amniotic membrane (HAM) is a suitable and effective scaffold for cell culture and delivery, and adipose-derived stem cells (ADSCs) are an important source of stem cells for transplantation and chondrogenic differentiation. OBJECTIVE To assess the practicability of a cryopreserved HAM as a scaffold in cell proliferation and differentiation in vitro. MATERIALS AND METHODS In this experimental study, adipose tissue samples were harvested from the inguinal region of male patients aged 15-30 years. Flow cytometry was used to identify CD31, CD45, CD90, and CD105 markers in adipose stem cells. HAM was harvested from donor placenta after cesarean section, washed, trypsin-based decellularized trypsinized decellularized, and used as a scaffold via three methods: 1) ADSCs were differentiated into chondrocytes on cell culture flasks (monolayer method), and after 14 days of culture, the cells were transferred and cultured on both sides of the HAM; 2) ADSCs were cultured and differentiated directly on both sides of the HAM for 14 days (scaffold-mediated differentiation); and 3) chondrocytes were differentiated with micromass culture for 14 days, transferred on HAM, and tissue slides were histologically analyzed qualitatively. RESULTS Flow cytometry confirmed the presence of mesenchymal stem cells. Histological findings revealed that the cells adhered and grew well on the stromal layer of HAM. Among the three methods, scaffold-mediated differentiation of ADSCs showed the best results. CONCLUSION ADSCs have excellent attachment, viability, and differentiation capacity in the stromal side of HAM. Additionally, the direct culture and differentiation of ADSCs on HAM is more suitable than the culture of differentiated cells on HAM.
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Affiliation(s)
- Hooman Zarei
- Department of Anatomy, Faculty of Medicine, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences, Sari, Iran
- Student Research Committee, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Abbasali Karimpour
- Department of Anatomy, Faculty of Medicine, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ali Reza Khalatbary
- Department of Anatomy, Faculty of Medicine, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fereshteh Talebpour Amiri
- Department of Anatomy, Faculty of Medicine, Molecular and Cell Biology Research Center, Mazandaran University of Medical Sciences, Sari, Iran
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13
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Arrizabalaga JH, Nollert MU. Human Amniotic Membrane: A Versatile Scaffold for Tissue Engineering. ACS Biomater Sci Eng 2018; 4:2226-2236. [PMID: 33435098 DOI: 10.1021/acsbiomaterials.8b00015] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The human amniotic membrane (hAM) is a collagen-based extracellular matrix derived from the human placenta. It is a readily available, inexpensive, and naturally biocompatible material. Over the past decade, the development of tissue engineering and regenerative medicine, along with new decellularization protocols, has recast this simple biomaterial as a tunable matrix for cellularized tissue engineered constructs. Thanks to its biocompatibility, decellularized hAM is now commonly used in a broad range of medical fields. New preparation techniques and composite scaffold strategies have also emerged as ways to tune the properties of this scaffold. The current state of understanding about the hAM as a biomaterial is summarized in this review. We examine the processing techniques available for the hAM, addressing their effect on the mechanical properties, biodegradation, and cellular response of processed scaffolds. The latest in vitro applications, in vivo studies, clinical trials, and commercially available products based on the hAM are reported, organized by medical field. We also look at the possible alterations to the hAM to tune its properties, either through composite materials incorporating decellularized hAM, chemical cross-linking, or innovative layering and tissue preparation strategies. Overall, this review compiles the current literature about the myriad capabilities of the human amniotic membrane, providing a much-needed update on this biomaterial.
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Affiliation(s)
- Julien H Arrizabalaga
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Matthias U Nollert
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma 73019, United States.,School of Chemical, Biological and Materials Engineering, University of Oklahoma, Norman, Oklahoma 73019, United States
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14
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Utsunomiya R, Dai X, Murakami M, Masuda K, Okazaki H, Tsuda T, Mori H, Shiraishi K, Tohyama M, Sayama K. Heparinoid suppresses Der p-induced IL-1β production by inhibiting ERK and p38 MAPK pathways in keratinocytes. Exp Dermatol 2018; 27:981-988. [PMID: 29754454 DOI: 10.1111/exd.13685] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/07/2018] [Indexed: 01/27/2023]
Abstract
Epidermal keratinocytes initiate skin inflammation by activating immune cells. The skin barrier is disrupted in atopic dermatitis (AD) and epidermal keratinocytes can be exposed to environmental stimuli, such as house dust mite (HDM) allergens. We showed previously that HDM allergens activate the NLRP3 inflammasome of keratinocytes, thereby releasing pro-inflammatory cytokines. Heparinoid is an effective moisturizer for atopic dry skin. However, a recent report showed that heparinoid treatment can improve inflammation of lichen planus. Therefore, we hypothesized that it acts on epidermal keratinocytes not only as a moisturizer, but also as a suppressant of the triggers of skin inflammation. We found that HDM allergen-induced interleukin (IL)-1β release from keratinocytes was inhibited significantly by heparinoid pretreatment without affecting cell viability. However, heparinoid did not affect caspase-1 release, suggesting that heparinoid did not affect HDM allergen-induced inflammasome activation. Heparinoid treatment not only decreased intracellular levels of pro-IL-1β, but also suppressed IL-1β messenger RNA (mRNA) expression in keratinocytes. Among the intracellular signalling pathways, the activation of extracellular signal-regulated kinase and p38 pathways, which are required for IL-1β expression in keratinocytes, was inhibited by heparinoid treatment. The inhibitory effect of heparinoid on IL-1β mRNA expression was also confirmed with living skin equivalents. Our results demonstrated that heparinoid suppresses the initiation of keratinocyte-mediated skin inflammation.
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Affiliation(s)
- Ryo Utsunomiya
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Xiuju Dai
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Masamoto Murakami
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Kana Masuda
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Hidenori Okazaki
- Department of Dermatology, Ehime Prefectural Central Hospital, Matsuyama City, Japan
| | - Teruko Tsuda
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Hideki Mori
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Ken Shiraishi
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Mikiko Tohyama
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
| | - Koji Sayama
- Department of Dermatology, Ehime University Graduate School of Medicine, Toon City, Japan
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15
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Chehelcheraghi F, Abbaszadeh A, Tavafi M. Skin Mast Cell Promotion in Random Skin Flaps in Rats using Bone Marrow Mesenchymal Stem Cells and Amniotic Membrane. IRANIAN BIOMEDICAL JOURNAL 2018; 22:322-30. [PMID: 29506347 PMCID: PMC6058190 DOI: 10.29252/ibj.22.5.322] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Background Skin flap procedures are employed in plastic surgery, but failure can lead to necrosis of the flap. Studies have used bone marrow mesenchymal stem cells (BM-MSCs) to improve flap viability. BM-MSCs and acellular amniotic membrane (AAM) have been introduced as alternatives. The objective of this study was to evaluate the effect of BM-MSCs and AAM on mast cells of random skin flaps (RSF) in rats. Methods RSFs (80 × 30 mm) were created on 40 rats that were randomly assigned to one of four groups, including (I) AAM, (II) BM-MSCs, (III) BM-MSCs/AAM, and (IV) saline (control). Transplantation was carried out during the procedure (zero day). Flap necrosis was observed on day 7, and skin samples were collected from the transition line of the flap to evaluate the total number and types of mast cells. The development and the total number of mast cells were related to the development of capillaries. Results The results of one-way ANOVA indicated that there was no statistically significant difference between the mean numbers of mast cell types for different study groups. However, the difference between the total number of mast cells in the study groups was statistically significant (p = 0.001). Conclusion The present study suggests that the use of AAM/BM-MSCs can improve the total number of mast cells and accelerate the growth of capillaries at the transient site in RSFs in rats.
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Affiliation(s)
- Farzaneh Chehelcheraghi
- Department of Anatomical Sciences, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Abolfazl Abbaszadeh
- Department of Surgery, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Magid Tavafi
- Department of Surgery, Lorestan University of Medical Sciences, Khorramabad, Iran
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16
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Iranpour S, Mahdavi-Shahri N, Miri R, Hasanzadeh H, Bidkhori HR, Naderi-Meshkin H, Zahabi E, Matin MM. Supportive properties of basement membrane layer of human amniotic membrane enable development of tissue engineering applications. Cell Tissue Bank 2018; 19:357-371. [PMID: 29313189 DOI: 10.1007/s10561-017-9680-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Accepted: 12/22/2017] [Indexed: 10/18/2022]
Abstract
Human amniotic membrane (HAM) has been widely used as a natural scaffold in tissue engineering due to many of its unique biological properties such as providing growth factors, cytokines and tissue inhibitors of metalloproteinases. This study aimed at finding the most suitable and supportive layer of HAM as a delivery system for autologous or allogeneic cell transplantation. Three different layers of HAM were examined including basement membrane, epithelial and stromal layers. In order to prepare the basement membrane, de-epithelialization was performed using 0.5 M NaOH and its efficiency was investigated by histological stainings, DNA quantification, biomechanical testing and electron microscopy. Adipose-derived stromal cells (ASCs) and a human immortalized keratinocyte cell line (HaCaT) were seeded on the three different layers of HAM and cultured for 3 weeks. The potential of the three different layers of HAM to support the attachment and viability of cells were then monitored by histology, electron microscopy and (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Moreover, mechanical strengths of the basement membrane were assessed before and after cell culture. The results indicated that the integrity of extra cellular matrix (ECM) components was preserved after de-epithelialization and resulted in producing an intact basement amniotic membrane (BAM). Moreover, all three layers of HAM could support the attachment and proliferation of cells with no visible cytotoxic effects. However, the growth and viability of both cell types on the BAM were significantly higher than the other two layers. We conclude that growth stimulating effectors of BAM and its increased mechanical strength after culturing of ASCs, besides lack of immunogenicity make it an ideal model for delivering allogeneic cells and tissue engineering applications.
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Affiliation(s)
- Sonia Iranpour
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Nasser Mahdavi-Shahri
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Raheleh Miri
- Research Center for HIV/AIDS, HTLV and Viral Hepatitis, ACECR-Khorasan Razavi Branch, Mashhad, Iran
| | - Halimeh Hasanzadeh
- Stem Cells and Regenerative Medicine Research Group, ACECR-Khorasan Razavi Branch, Mashhad, Iran
| | - Hamid Reza Bidkhori
- Stem Cells and Regenerative Medicine Research Group, ACECR-Khorasan Razavi Branch, Mashhad, Iran
| | - Hojjat Naderi-Meshkin
- Stem Cells and Regenerative Medicine Research Group, ACECR-Khorasan Razavi Branch, Mashhad, Iran
| | - Ehsan Zahabi
- Dental Materials Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Maryam M Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran. .,Stem Cells and Regenerative Medicine Research Group, ACECR-Khorasan Razavi Branch, Mashhad, Iran. .,Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran.
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17
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Baradaran-Rafii A, Asl NS, Ebrahimi M, Jabbehdari S, Bamdad S, Roshandel D, Eslani M, Momeni M. The role of amniotic membrane extract eye drop (AMEED) in in vivo cultivation of limbal stem cells. Ocul Surf 2018; 16:146-153. [DOI: 10.1016/j.jtos.2017.11.001] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2017] [Revised: 09/10/2017] [Accepted: 11/01/2017] [Indexed: 12/28/2022]
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18
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Belair DG, Abbott BD. Engineering epithelial-stromal interactions in vitro for toxicology assessment. Toxicology 2017; 382:93-107. [PMID: 28285100 DOI: 10.1016/j.tox.2017.03.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 03/06/2017] [Indexed: 12/17/2022]
Abstract
Crosstalk between epithelial and stromal cells drives the morphogenesis of ectodermal organs during development and promotes normal mature adult epithelial tissue homeostasis. Epithelial-stromal interactions (ESIs) have historically been examined using mammalian models and ex vivo tissue recombination. Although these approaches have elucidated signaling mechanisms underlying embryonic morphogenesis processes and adult mammalian epithelial tissue function, they are limited by the availability of tissue, low throughput, and human developmental or physiological relevance. In this review, we describe how bioengineered ESIs, using either human stem cells or co-cultures of human primary epithelial and stromal cells, have enabled the development of human in vitro epithelial tissue models that recapitulate the architecture, phenotype, and function of adult human epithelial tissues. We discuss how the strategies used to engineer mature epithelial tissue models in vitro could be extrapolated to instruct the design of organotypic culture models that can recapitulate the structure of embryonic ectodermal tissues and enable the in vitro assessment of events critical to organ/tissue morphogenesis. Given the importance of ESIs towards normal epithelial tissue development and function, such models present a unique opportunity for toxicological screening assays to incorporate ESIs to assess the impact of chemicals on mature and developing epidermal tissues.
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Affiliation(s)
- David G Belair
- US EPA, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Toxicity Assessment Division, Developmental Toxicology Branch, Research Triangle Park, NC 27711, United States.
| | - Barbara D Abbott
- US EPA, Office of Research and Development, National Health and Environmental Effects Research Laboratory, Toxicity Assessment Division, Developmental Toxicology Branch, Research Triangle Park, NC 27711, United States
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19
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Serra R, Rizzuto A, Rossi A, Perri P, Barbetta A, Abdalla K, Caroleo S, Longo C, Amantea B, Sammarco G, de Franciscis S. Skin grafting for the treatment of chronic leg ulcers - a systematic review in evidence-based medicine. Int Wound J 2017; 14:149-157. [PMID: 26940940 PMCID: PMC7949524 DOI: 10.1111/iwj.12575] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 12/31/2015] [Accepted: 02/04/2016] [Indexed: 12/13/2022] Open
Abstract
Skin grafting is one of the most common surgical procedures in the area of non-healing wounds by which skin or a skin substitute is placed over a wound to replace and regenerate the damaged skin. Chronic leg ulcers are an important problem and a major source of expense for Western countries and for which many different forms of treatment have been used. Skin grafting is a method of treatment that decreases the area of chronic leg ulcers or heals them completely, thus improving a patient's quality of life. Skin grafting is an old technique, rediscovered during the first and second world wars as the main treatment for wound closure. Nowadays, skin grafting has a pivotal role in the context of modern wound healing and tissue regeneration. The aim of this review was to track and to analyse the specific outcomes this technique achieved, especially in the last decade, in relation to venous, arterial, diabetic, rheumatoid and traumatic leg ulcers. Our main findings indicate that autologous split-thickness skin grafting still remains the gold standard in terms of safety and efficacy for chronic leg ulcers; skin grafting procedures have greater success rates in chronic venous leg ulcers compared to other types of chronic leg ulcers; skin tissue engineering, also supported by genetic manipulation, is quickly expanding and, in the near future, may provide even better outcomes in the area of treatments for long-lasting chronic wounds.
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Affiliation(s)
- Raffaele Serra
- Interuniversity Center of Phlebolymphology (CIFL), International Research and Educational Program in Clinical and Experimental BiotechnologyUniversity Magna Graecia of CatanzaroCatanzaroItaly
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
| | - Antonia Rizzuto
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
| | - Alessio Rossi
- Department of Medicine and Health Sciences “Vincenzo Tiberio”University of MoliseCampobassoItaly
| | - Paolo Perri
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
| | - Andrea Barbetta
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
| | - Karim Abdalla
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
| | - Santo Caroleo
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
| | - Chiara Longo
- Department of Physical Medicine and RehabilitationHospital of Saint‐FlourSaint‐FlourFrance
| | - Bruno Amantea
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
| | - Giuseppe Sammarco
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
| | - Stefano de Franciscis
- Interuniversity Center of Phlebolymphology (CIFL), International Research and Educational Program in Clinical and Experimental BiotechnologyUniversity Magna Graecia of CatanzaroCatanzaroItaly
- Department of Medical and Surgical SciencesUniversity of CatanzaroCatanzaroItaly
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20
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Sanluis-Verdes A, Sanluis-Verdes N, Manso-Revilla MJ, Castro-Castro AM, Pombo-Otero J, Fraga-Mariño M, Sanchez-Ibañez J, Doménech N, Rendal-Vázquez ME. Tissue engineering for neurodegenerative diseases using human amniotic membrane and umbilical cord. Cell Tissue Bank 2016; 18:1-15. [PMID: 27830445 DOI: 10.1007/s10561-016-9595-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Accepted: 10/24/2016] [Indexed: 12/27/2022]
Abstract
Regenerative medicine, based on the use of stem cells, scaffolds and growth factors, has the potential to be a good approach for restoring damaged tissues of the central nervous system. This study investigated the use of human amniotic mesenchymal stem cells (hAMSC), human amniotic epithelial stem cells (hAESC), and human Wharton's jelly mesenchymal stem cells (hWJMSC) derived from human umbilical cord as a source of stem cells, and the potential of the human amniotic membrane (HAM) as a scaffold and/or source of growth factors to promote nerve regeneration. The hAMSC and hAESC obtained from HAM and the hWJMSC from umbilical cords were cultured in induction medium to obtain neural-like cells. The morphological differentiation of hAMSC, hAESC and hWJMSC into neural-like cells was evident after 4-5 days, when they acquired an elongated and multipolar shape, and at 21 days, when they expressed neural and glial markers. On other way, the HAM was completely decellularized without affecting the components of the basement membrane or the matrix. Subsequently, hAMSC, hAESC and hWJMSC differentiated into neural-like cells were seeded onto the decellularized HAM, maintaining their morphology. Finally, conditioned media from the HAM allowed proliferation of hAMSC, hAESC and hWJMSC differentiated to neural-like cells. Both HAM and umbilical cord are biomaterials with great potential for use in regenerative medicine for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Anahí Sanluis-Verdes
- Unidad de Criobiología-Banco de Tejidos, Complexo Hospitalario Universitario de A Coruña (CHUAC)-Instituto de Investigaciones Biomédicas A Coruña (INIBIC), As Xubias, s/n, 15006, A Coruña, Spain
| | - Namibia Sanluis-Verdes
- Unidad de Criobiología-Banco de Tejidos, Complexo Hospitalario Universitario de A Coruña (CHUAC)-Instituto de Investigaciones Biomédicas A Coruña (INIBIC), As Xubias, s/n, 15006, A Coruña, Spain
- Servicio de Cirugía General y del Aparato Digestivo, Complexo Hospitalario Universitario de A Coruña (CHUAC)-Instituto de Investigaciones Biomédicas A Coruña (INIBIC), As Xubias, s/n, 15006, A Coruña, Spain
| | - María Jesús Manso-Revilla
- Grupo NEUROVER, Departamento de Biología Celular y Molecular, Facultad de Ciencias, Universidad de A Coruña (UDC), Campus de A Coruña, 15071, A Coruña, Spain
| | - Antonio Manuel Castro-Castro
- Grupo NEUROVER, Departamento de Biología Celular y Molecular, Facultad de Ciencias, Universidad de A Coruña (UDC), Campus de A Coruña, 15071, A Coruña, Spain
| | - Jorge Pombo-Otero
- Servicio de Anatomía Patológica, Complexo Hospitalario Universitario de A Coruña (CHUAC)-Instituto de Investigaciones Biomédicas A Coruña (INIBIC), As Xubias, s/n, 15006, A Coruña, Spain
| | - María Fraga-Mariño
- Biobanco A Coruña, Complexo Hospitalario Universitario de A Coruña (CHUAC)-Instituto de Investigaciones Biomédicas A Coruña (INIBIC), As Xubias, s/n, 15006, A Coruña, Spain
| | - Jacinto Sanchez-Ibañez
- Unidad de Criobiología-Banco de Tejidos, Complexo Hospitalario Universitario de A Coruña (CHUAC)-Instituto de Investigaciones Biomédicas A Coruña (INIBIC), As Xubias, s/n, 15006, A Coruña, Spain
| | - Nieves Doménech
- Biobanco A Coruña, Complexo Hospitalario Universitario de A Coruña (CHUAC)-Instituto de Investigaciones Biomédicas A Coruña (INIBIC), As Xubias, s/n, 15006, A Coruña, Spain.
| | - María Esther Rendal-Vázquez
- Unidad de Criobiología-Banco de Tejidos, Complexo Hospitalario Universitario de A Coruña (CHUAC)-Instituto de Investigaciones Biomédicas A Coruña (INIBIC), As Xubias, s/n, 15006, A Coruña, Spain.
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21
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Zheng Y, Ji S, Wu H, Tian S, Zhang Y, Wang L, Fang H, Luo P, Wang X, Hu X, Xiao S, Xia Z. Topical administration of cryopreserved living micronized amnion accelerates wound healing in diabetic mice by modulating local microenvironment. Biomaterials 2016; 113:56-67. [PMID: 27810642 DOI: 10.1016/j.biomaterials.2016.10.031] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 10/20/2016] [Accepted: 10/20/2016] [Indexed: 01/09/2023]
Abstract
Approximately 25% of diabetic patients suffer from diabetic lower-extremity ulcer throughout their lives and 7%-20% of patients will eventually need an amputation despite standard care treatment. The development of new therapies to treat diabetic wounds is urgent. In this study, we used cryopreserved living micronized amnion (300-600 μm) to treat wounds in diabetic mice. Post-thaw micronized amnion retained high cell viability, as well as intact cell morphology and membrane structure. When transplanted onto the wounds of db/db mice, the cryopreserved living micronized amnion greatly promoted wound healing in diabetic mice mainly by secreting growth, inflammation, and chemotaxis-related factors that regulated macrophage migration and phenotype switch, recruited CD34+ progenitor cells, and increased neovascularization. In addition, the micronized amnion matrix can exist in the dermis and serve as a long-term dermal scaffold. These results demonstrated the potential of the cryopreserved living micronized amnion as a ready-to-use living dermal substitute that addresses multiple defective physiological processes of impaired wounds to treat diabetic ulcers and other chronic wounds in clinics.
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Affiliation(s)
- Yongjun Zheng
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Shizhao Ji
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China.
| | - Haibin Wu
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Song Tian
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Yunqing Zhang
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Li Wang
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - He Fang
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Pengfei Luo
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Xingtong Wang
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Xiaoyan Hu
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China
| | - Shichu Xiao
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China.
| | - Zhaofan Xia
- Burns Center of Changhai Hospital, The Second Military Medical University, Shanghai, China.
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22
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Murakami M, Kameda K, Tsumoto H, Tsuda T, Masuda K, Utsunomiya R, Mori H, Miura Y, Sayama K. TLN-58, an Additional hCAP18 Processing Form, Found in the Lesion Vesicle of Palmoplantar Pustulosis in the Skin. J Invest Dermatol 2016; 137:322-331. [PMID: 27771329 DOI: 10.1016/j.jid.2016.07.044] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 06/27/2016] [Accepted: 07/20/2016] [Indexed: 10/20/2022]
Abstract
We previously reported that the early vesicle of the palmoplantar pustulosis (PPP) vesicle originated from eccrine sweat in the acrosyringium and that the PPP vesicle contains the antimicrobial peptide human cathelicidin-18/LL-37. The concentration of LL-37 was sufficient to induce the subsequent inflammation in lesions and human keratinocytes, and the PPP vesicles contained additional small fragments of human cathelicidin-18, of approximately 7 kDa, which have not been identified. The aim of the present study was to clarify the additional processed forms found in PPP vesicles and their physiological effects on normal keratinocytes and sweat gland cells. Lesional PPP vesicles were collected from PPP patients, and endogenous human cathelicidin-18/LL-37 was depleted using a LL-37 antibody affinity column. A designed recombinant human cathelicidin-18 peptide was prepared and incubated with the depleted PPP vesicle fluid to confirm the additional processed form. In-gel digestion analysis and protein sequencing confirmed the additional form as TLN-58. TLN-58 up-regulated IL-17C, IL-8, IL-23, IL-1α, and IL-1β mRNA and protein expression in normal human keratinocytes and also showed antibacterial activity against Staphylococcus aureus, Staphylococcus epidermidis, and group A Streptococcus species, similar to LL-37. This additional form could be involved in the continued inflammation in PPP lesions.
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Affiliation(s)
- Masamoto Murakami
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan.
| | - Kenji Kameda
- Advanced Research Support Center, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Hiroki Tsumoto
- Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Teruko Tsuda
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Kana Masuda
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Ryo Utsunomiya
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Hideki Mori
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Yuri Miura
- Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
| | - Koji Sayama
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
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23
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Hashim SNM, Yusof MFH, Zahari W, Noordin KBAA, Kannan TP, Hamid SSA, Mokhtar KI, Ahmad A. Angiogenic potential of extracellular matrix of human amniotic membrane. Tissue Eng Regen Med 2016; 13:211-217. [PMID: 30603401 DOI: 10.1007/s13770-016-9057-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2015] [Revised: 08/14/2015] [Accepted: 08/24/2015] [Indexed: 10/21/2022] Open
Abstract
Combination between tissue engineering and other fields has brought an innovation in the area of regenerative medicine which ultimate aims are to repair, improve, and produce a good tissue construct. The availability of many types of scaffold, both synthetically and naturally have developed into many outstanding end products that have achieved the general objective in tissue engineering. Interestingly, most of this scaffold emulates extracellular matrix (ECM) characteristics. Therefore, ECM component sparks an interest to be explored and manipulated. The ECM featured in human amniotic membrane (HAM) provides a suitable niche for the cells to adhere, grow, proliferate, migrate and differentiate, and could possibly contribute to the production of angiogenic micro-environment indirectly. Previously, HAM scaffold has been widely used to accelerate wound healing, treat bone related and ocular diseases, and involved in cardiovascular repair. Also, it has been used in the angiogenicity study, but with a different technical approach. In addition, both side of HAM could be used in cellularised and decellularised conditions depending on the objectives of a particular research. Therefore, it is of paramount importance to investigate the behavior of ECM components especially on the stromal side of HAM and further explore the angiogenic potential exhibited by this scaffold.
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Affiliation(s)
| | | | - Wafa' Zahari
- 1School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kelantan, Malaysia
| | | | - Thirumulu Ponnuraj Kannan
- 1School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kelantan, Malaysia.,2Human Genome Centre, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | | | - Khairani Idah Mokhtar
- 4Kulliyyah of Dentistry, International Islamic University Malaysia, Pahang, Malaysia
| | - Azlina Ahmad
- 1School of Dental Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kelantan, Malaysia
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24
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Chehelcheraghi F, Eimani H, Homayoonsadraie S, Torkaman G, Amini A, Alavi Majd H, Shemshadi H. Effects of Acellular Amniotic Membrane Matrix and Bone Marrow-Derived Mesenchymal Stem Cells in Improving Random Skin Flap Survival in Rats. IRANIAN RED CRESCENT MEDICAL JOURNAL 2016; 18:e25588. [PMID: 27621924 PMCID: PMC5003062 DOI: 10.5812/ircmj.25588] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2014] [Revised: 03/03/2015] [Accepted: 03/28/2015] [Indexed: 11/16/2022]
Abstract
BACKGROUND The necrotic skin flap represents a great challenge in plastic and reconstructive surgery. In this study, we evaluated the effect of bioscaffolds, acellular amniotic membranes (AAMs), and bone marrow-derived mesenchymal stem cells (BM-MSCs) on random skin flap (RSF) survival in rats by applying a cell-free extracellular matrix scaffold as a supportive component for the growth and proliferation of BM-MSCs on RSFs. AAM matrix scaffolds were created by incubating AMs in ethylenediaminetetraacetic acid 0.05% at 37°C, and cell scrapers were used. OBJECTIVES The aim of the present study was to assess the effect of AAM as a scaffold in TE, and combined with transplanted BM-MSCs, on the survival of RSFs and on the biomechanical parameters of the incision-wound flap margins 7 days after flap elevation. MATERIALS AND METHODS BM-MSCs and AAMs were transplanted into subcutaneous tissue in the flap area. On the 7th postoperative day, the surviving flap areas were measured using digital imaging software, and the flap tissue was collected for evaluation. Forty rats were randomly divided into four groups of 10 each: group 1 received an AAM injection; group 2 underwent BM-MSC transplantation; group 3 received both AAM injection + BM-MSC transplantation; and group 4 was the control group, receiving only saline. RESULTS The survival area in the AAM/BM-MSC group was significantly higher than in the control group (18.49 ± 1.58 versus 7.51 ± 2.42, P < 0.05). The biomechanical assessment showed no significant differences between the experimental groups and the control group (P > 0.05), and there was no correlation with flap survival. CONCLUSIONS Our findings showed that the treatment of flaps with BM-MSC and AAM transplantations significantly promoted flap survival compared to a control group. The viability of the flap was improved by combining BM-MSCs with AAM matrix scaffolds.
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Affiliation(s)
- Farzaneh Chehelcheraghi
- Department of Anatomical Sciences, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, IR Iran
- Corresponding Author: Farzaneh Chehelcheraghi, Department of Anatomical Sciences, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, IR Iran. Tel/Fax: +98-2126127236, E-mail:
| | - Hossein Eimani
- Department of Anatomical Sciences, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, IR Iran
| | - Seyed Homayoonsadraie
- Department of Anatomical Sciences, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, IR Iran
| | - Giti Torkaman
- Department of Physical Therapy, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, IR Iran
| | - Abdollah Amini
- Department of Anatomy, Medical Faculty, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Hamid Alavi Majd
- Department of Biostatistics, Faculty of Paramedicine, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Hashem Shemshadi
- Department of Speech Therapy, University of Welfare and Rehabilitation Sciences, Tehran, IR Iran
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Construction and characterization of human oral mucosa equivalent using hyper-dry amniotic membrane as a matrix. Arch Oral Biol 2016; 65:26-34. [PMID: 26845199 DOI: 10.1016/j.archoralbio.2016.01.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 12/06/2015] [Accepted: 01/19/2016] [Indexed: 11/23/2022]
Abstract
BACKGROUND Human amniotic membrane(HAM) as a graft material has been used in various fields. Hyper-dry amniotic membrane (HD-AM) is a novel dried amniotic membrane that is easy to handle and can be preserved at room temperature without time limitation. The purpose of this study was to investigate the useful properties of HD-AM in reconstruction of the oral mucosa. METHODS Human oral keratinocytes were isolated and seeded on HD-AM in serum-free culture system. Oral mucosa equivalent (OME) was developed and transplanted onto full-thickness wound on athymic mice. The wound healing was analyzed and the OME both before and after transplantation was analyzed with hematoxylin-eosin staining and immunohistochemical staining for Cytokines 10 (CK10), Cytokines 16 (CK16), and Ivolucrin (IVL). RESULTS Oral keratinocytes spread and proliferated well on HD-AM. Two weeks after air-lifting, OME had formed with good differentiation and morphology. We confirmed immunohistochemically that the expression of CK10 was positive in all suprabasal layers, as was CK16 in the upper layers, while IVL was present in all cell layers. Three weeks after transplantation to athymic mice, the newly generated tissue had survived well with the smallest contraction. The epithelial cells of newly generated tissue expressed CK10 throughout in all suprabasal layers, IVL was mainly in the granular layer, and CK16 positive cells were observed in all spinous layer and granular layer but were not expressed in the mouse skin, all of which were similar to native gingival mucosa. CONCLUSIONS The OME with HD-AM as a matrix revealed a good morphology and stable wound healing. This study demonstrates that HD-AM is a useful and feasible biomaterial for oral mucosa reconstruction.
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Tokuyama E, Nagai Y, Takahashi K, Kimata Y, Naruse K. Mechanical Stretch on Human Skin Equivalents Increases the Epidermal Thickness and Develops the Basement Membrane. PLoS One 2015; 10:e0141989. [PMID: 26528823 PMCID: PMC4631345 DOI: 10.1371/journal.pone.0141989] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Accepted: 10/15/2015] [Indexed: 11/18/2022] Open
Abstract
All previous reports concerning the effect of stretch on cultured skin cells dealt with experiments on epidermal keratinocytes or dermal fibroblasts alone. The aim of the present study was to develop a system that allows application of stretch stimuli to human skin equivalents (HSEs), prepared by coculturing of these two types of cells. In addition, this study aimed to analyze the effect of a stretch on keratinization of the epidermis and on the basement membrane. HSEs were prepared in a gutter-like structure created with a porous silicone sheet in a silicone chamber. After 5-day stimulation with stretching, HSEs were analyzed histologically and immunohistologically. Stretch-stimulated HSEs had a thicker epidermal layer and expressed significantly greater levels of laminin 5 and collagen IV/VII in the basal layer compared with HSEs not subjected to stretch stimulation. Transmission electron microscopy revealed that the structure of the basement membrane was more developed in HSEs subjected to stretching. Our model may be relevant for extrapolating the effect of a stretch on the skin in a state similar to an in vivo system. This experimental system may be useful for analysis of the effects of stretch stimuli on skin properties and wound healing and is also expected to be applicable to an in vitro model of a hypertrophic scar in the future.
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Affiliation(s)
- Eijiro Tokuyama
- The Department of Plastic and Reconstructive Surgery, Okayama University Graduate School of Medicine, Okayama, Japan
| | | | - Ken Takahashi
- The Department of Cardiovascular Physiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Yoshihiro Kimata
- The Department of Plastic and Reconstructive Surgery, Okayama University Graduate School of Medicine, Okayama, Japan
| | - Keiji Naruse
- The Department of Cardiovascular Physiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
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Jiang LW, Chen H, Lu H. Using human epithelial amnion cells in human de-epidermized dermis for skin regeneration. J Dermatol Sci 2015; 81:26-34. [PMID: 26596214 DOI: 10.1016/j.jdermsci.2015.10.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Revised: 10/14/2015] [Accepted: 10/27/2015] [Indexed: 11/19/2022]
Abstract
BACKGROUND Human amniotic epithelial cells (hAECs) is a desirable reserve of stem cells. Human de-epidermized dermis (DED) retains basic tissue structure and parts of the basement membrane (BM) components at the acelluIar dermal surface, and provides a potential tool for skin regeneration. OBJECTIVE To evaluate the potential role of hAECs in skin regeneration, we used DED to perform organotypic culture of hAECs to develop organotypic skin. METHODS HAECs were isolated and cultured. Biological characteristics of hAECs were determined by immunocytochemistry and flow cytometry. To prepare DED, the epidermis was removed and then repeated freeze-thaw cycles. HAECs and fibroblast were seeded onto DED to perform the submerged culture for 3 days and then to be maintained at the air-liquid interface for 14 days to form organotypic culture. To identify whether the obtained DED retain the BM structure and components, the histological characteristics of DED and the BM were detected by immunohistochemistry. To evaluate whether the organotypic skin has similar histological characteristics with normal human skin, the marks of epidermal proliferation and differentiation and basement membrane component were detected by immunohistochemistry. Moreover, cell ultrastructure, cell-cell contact and ultrastructure of BM were examined under the transmission electron microscopy. RESULTS HAECs has stem-cell characteristics with strong pluripotent Oct-4 and embryonic marker SSEA-4 expression. DED has effectively cleansed the cell components and continuous distributions of laminin and collagen IV. The histological appearance of tissue-engineered skin in vitro has 4 to 9 continuous layers of stratified epithelium and is similar to normal human skin in morphology. Immunohistochemical studies revealed that proliferation and differentiation markers such as Ki67, CK19, CK14, CK10, filaggrin but not CK18 expressed similar pattern characteristics to normal human epidermis. In addition, Periodic acid-Schiff stain showed that a uniform red staining strip located at the epidermal-dermal junction. BM component proteins (type IV collagen and laminin) and cell adhesion protein (desmoglein) were detected by immunohistochemistry in organotypic skin. Ultrastructurally, desmosomes, hemidesmosomes and BM zone (BMZ) were observed in organotypic skin. CONCLUSIONS Our studies indicate that the hAECs is a promising stem cell source for tissue-engineered skin, and DED with hAECs is a potential application prospects in regenerative medicine.
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Affiliation(s)
- Lei-Wei Jiang
- Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, PR China; Department of Dermatology, Affiliated Hospital of Guiyang Medical College, Guiyang, Guizhou 550001, PR China
| | - Hongduo Chen
- Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, PR China
| | - Hongguang Lu
- Department of Dermatology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, PR China; Department of Dermatology, Affiliated Hospital of Guiyang Medical College, Guiyang, Guizhou 550001, PR China.
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Development of full-thickness human skin equivalents with blood and lymph-like capillary networks by cell coating technology. J Biomed Mater Res A 2015; 103:3386-96. [DOI: 10.1002/jbm.a.35473] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Revised: 03/11/2015] [Accepted: 04/02/2015] [Indexed: 12/23/2022]
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Papuga AY, Lukash LL. Different types of biotechnological wound coverages created with the application of alive human cells. ACTA ACUST UNITED AC 2015. [DOI: 10.7124/bc.0008d1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- A. Ye. Papuga
- Institute of Molecular Biology and Genetics, NAS of Ukraine
| | - L. L. Lukash
- Institute of Molecular Biology and Genetics, NAS of Ukraine
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Production of an acellular matrix from amniotic membrane for the synthesis of a human skin equivalent. Cell Tissue Bank 2015; 16:411-23. [PMID: 25634343 DOI: 10.1007/s10561-014-9485-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 11/29/2014] [Indexed: 10/24/2022]
Abstract
Human amniotic membrane (HAM) has useful properties as a dermal matrix substitute. The objective of our work was to obtain, using different enzymatic or chemical treatments to eliminate cells, a scaffold of acellular HAM for later use as a support for the development of a skin equivalent. The HAM was separated from the chorion, incubated and cryopreserved. The membrane underwent different enzymatic and chemical treatments to eliminate the cells. Fibroblasts and keratinocytes were separately obtained from skin biopsies of patients following a sequential double digestion with first collagenase and then trypsin-EDTA (T/E). A skin equivalent was then constructed by seeding keratinocytes on the epithelial side and fibroblasts on the chorionic side of the decellularizated HAM. Histological, immunohistochemical, inmunofluorescent and molecular biology studies were performed. Treatment with 1% T/E at 37 °C for 30 min totally removed epithelial and mesenchymal cells. The HAM thus treated proved to be a good matrix to support adherence of cells and allowed the achievement of an integral and intact scaffold for development of a skin equivalent, which could be useful as a skin substitute for clinical use.
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Lai JY, Luo LJ. Effect of riboflavin concentration on the development of photo-cross-linked amniotic membranes for cultivation of limbal epithelial cells. RSC Adv 2015. [DOI: 10.1039/c4ra11980k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Riboflavin concentration is critical to tailor the cross-linking degree of the collagen network and thus the nanostructure of photo-cross-linked amniotic membrane for cultivation of limbal stem cells.
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Affiliation(s)
- Jui-Yang Lai
- Institute of Biochemical and Biomedical Engineering
- Chang Gung University
- Taoyuan 33302
- Taiwan
| | - Li-Jyuan Luo
- Institute of Biochemical and Biomedical Engineering
- Chang Gung University
- Taoyuan 33302
- Taiwan
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Murakami M, Kaneko T, Nakatsuji T, Kameda K, Okazaki H, Dai X, Hanakawa Y, Tohyama M, Ishida-Yamamoto A, Sayama K. Vesicular LL-37 contributes to inflammation of the lesional skin of palmoplantar pustulosis. PLoS One 2014; 9:e110677. [PMID: 25330301 PMCID: PMC4199729 DOI: 10.1371/journal.pone.0110677] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2014] [Accepted: 09/21/2014] [Indexed: 01/25/2023] Open
Abstract
“Pustulosis palmaris et plantaris”, or palmoplantar pustulosis (PPP), is a chronic pustular dermatitis characterized by intraepidermal palmoplantar pustules. Although early stage vesicles (preceding the pustular phase) formed in the acrosyringium contain the antimicrobial peptides cathelicidin (hCAP-18/LL-37) and dermcidin, the details of hCAP-18/LL-37 expression in such vesicles remain unclear. The principal aim of the present study was to clarify the manner of hCAP-18/LL-37 expression in PPP vesicles and to determine whether this material contributed to subsequent inflammation of lesional skin. PPP vesicle fluid (PPP-VF) induced the expression of mRNAs encoding IL-17C, IL-8, IL-1α, and IL-1β in living skin equivalents, but the level of only IL-8 mRNA decreased significantly upon stimulation of PPP vesicle with depletion of endogenous hCAP-18/LL-37 by affinity chromatography (dep-PPP-VF). Semi-quantitative dot-blot analysis revealed higher concentrations of hCAP-18/LL-37 in PPP-VF compared to healthy sweat (2.87±0.93 µM vs. 0.09±0.09 µM). This concentration of hCAP-18/LL-37 in PPP-VF could upregulate expression of IL-17C, IL-8, IL-1α, and IL-1β at both the mRNA and protein levels. Recombinant hCAP-18 was incubated with dep-PPP-VF. Proteinase 3, which converts hCAP-18 to the active form (LL-37), was present in PPP-VF. Histopathological and immunohistochemical examination revealed that early stage vesicles contained many mononuclear cells but no polymorphonuclear cells, and the mononuclear cells were CD68-positive. The epidermis surrounding the vesicle expresses monocyte chemotactic chemokine, CCL2. In conclusion, PPP-VF contains the proteinase required for LL-37 processing and also may directly upregulate IL-8 in lesional keratinocytes, in turn contributing to the subsequent inflammation of PPP lesional skin.
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Affiliation(s)
- Masamoto Murakami
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
- * E-mail:
| | - Takaaki Kaneko
- Department of Dermatology, Asahikawa Medical College, Asahikawa, Japan
| | - Teruaki Nakatsuji
- Division of Dermatology, University of California San Diego, and VA San Diego Healthcare Center, San Diego, California, United States of America
| | - Kenji Kameda
- Integrated Center for Science, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Hidenori Okazaki
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Xiuju Dai
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Yasushi Hanakawa
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Mikiko Tohyama
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
| | | | - Koji Sayama
- Department of Dermatology, Ehime University Graduate School of Medicine, Ehime, Japan
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Tauzin H, Rolin G, Viennet C, Saas P, Humbert P, Muret P. A skin substitute based on human amniotic membrane. Cell Tissue Bank 2014; 15:257-65. [DOI: 10.1007/s10561-014-9427-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 02/05/2014] [Indexed: 11/29/2022]
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Mahmoudi-Rad M, Abolhasani E, Moravvej H, Mahmoudi-Rad N, Mirdamadi Y. Acellular amniotic membrane: an appropriate scaffold for fibroblast proliferation. Clin Exp Dermatol 2014; 38:646-51. [PMID: 23837938 DOI: 10.1111/ced.12087] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2012] [Indexed: 11/27/2022]
Abstract
BACKGROUND Various materials have been investigated as possible skin substitutes to repair skin defects such as burns. Because of its unique characteristics, acellular amniotic membrane seems to provide a good scaffold for cell cultures. AIM To investigate the proliferation of fibroblasts on an amniotic membrane scaffold, and the preparation of a temporary skin substitute using this method. METHODS Neonatal foreskin tissue was harvested after circumcision and used for isolation of skin fibroblasts. The skin sample was refrigerated in cell-culture solution, and later treated with trypsin, minced, and incubated in the same solution at 37 °C with in an atmosphere of 95% O2 /5% CO2 . The confluent cultures were treated with trypsin, and fibroblasts were subcultured up to the 10th passage. Cells were tested for microbial contamination, presentation of major histocompatibility complex, and karyotype changes. Amniotic membrane was harvested after elective caesarean section from donors who had been screened for infection. The membrane was washed and then subjected to three freeze-thaw cycles, before having the cells removed. The fibroblasts were seeded onto the scaffold, and after 24 h, the prepared skin substitute was ready. This was examined under electron microscopy. RESULTS The skin substitute showed excellent growth of fibroblasts on the amniotic membrane scaffold. CONCLUSIONS Fibroblasts had excellent adherence to and viability on the acellular amniotic membrane, which seems to provide an acceptable temporary skin substitute that can be used for wounds.
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Affiliation(s)
- M Mahmoudi-Rad
- Skin Research Centre, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Lai JY, Ma DHK. Glutaraldehyde cross-linking of amniotic membranes affects their nanofibrous structures and limbal epithelial cell culture characteristics. Int J Nanomedicine 2013; 8:4157-68. [PMID: 24204144 PMCID: PMC3817029 DOI: 10.2147/ijn.s52731] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Given that the cells can sense nanometer dimensions, the chemical cross-linking-mediated alteration in fibrillar structure of collagenous tissue scaffolds is critical to determining their cell culture performances. This article explores, for the first time, the effect of nanofibrous structure of glutaraldehyde (GTA) cross-linked amniotic membrane (AM) on limbal epithelial cell (LEC) cultivation. Results of ninhydrin assays demonstrated that the amount of new cross-links formed between the collagen chains is significantly increased with increasing the cross-linking time from 1 to 24 hours. By transmission electron microscopy, the AM treated with GTA for a longer duration exhibited a greater extent of molecular aggregation, thereby leading to a considerable increase in nanofiber diameter and resistance against collagenase degradation. In vitro biocompatibility studies showed that the samples cross-linked with GTA for 24 hours are not well-tolerated by the human corneal epithelial cell cultures. When the treatment duration is less than 6 hours, the biological tissues cross-linked with GTA for a longer time may cause slight reductions in 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium, inner salt, and anti-inflammatory activities. Nevertheless, significant collagen molecular aggregation also enhances the stemness gene expression, indicating a high ability of these AM matrices to preserve the progenitors of LECs in vitro. It is concluded that GTA cross-linking of collagenous tissue materials may affect their nanofibrous structures and corneal epithelial stem cell culture characteristics. The AM treated with GTA for 6 hours holds promise for use as a niche for the expansion and transplantation of limbal epithelial progenitor cells.
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Affiliation(s)
- Jui-Yang Lai
- Institute of Biochemical and Biomedical Engineering, Chang Gung University, Taoyuan, Taiwan ; Biomedical Engineering Research Center, Chang Gung University, Taoyuan, Taiwan ; Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
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Mohammadi AA, Johari HG, Eskandari S. Effect of amniotic membrane on graft take in extremity burns. Burns 2013; 39:1137-41. [DOI: 10.1016/j.burns.2013.01.017] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2012] [Revised: 01/20/2013] [Accepted: 01/22/2013] [Indexed: 11/29/2022]
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"Take" of a polymer-based autologous cultured composite "skin" on an integrated temporizing dermal matrix: proof of concept. J Burn Care Res 2013; 34:151-60. [PMID: 23292583 DOI: 10.1097/bcr.0b013e31828089f9] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
This study aimed to investigate the ability of an autologous cultured composite skin (CCS) to close similar biodegradable temporizing matrix (BTM)-integrated wounds, and its effectiveness in healing fresh full-thickness wounds after the failure of cultured epithelial autograft in its two forms (sheets and suspensions) to epithelialize over an integrated polymer BTM. Using a porcine model, autologous split-skin grafts were harvested three of four dorsal 8 × 8 cm treatment sites. These three sites were subsequently converted to full-thickness wounds and BTMs were implanted. The grafts were used to produce autologous CCSs for each pig. These consisted of a 1 mm thick biodegradable polymer foam scaffold into which fibroblasts and keratinocytes harvested from the grafts were cocultured. At Day 28, on each animal, the autologous CCSs were applied to two of the integrated BTMs, an autologous split-skin graft was applied to the third integrated BTM, and one CCS was applied immediately into a fresh, "naked" (no BTM applied) wound. The CCSs were capable of generating a bilayer repair over the naked wound's fat base and BTM-integrated wounds, which consisted of dermal elements and a keratinized stratified squamous epidermis anchored with a basement membrane by day 7. The CCSs behaved in different ways: either as a delivery vehicle allowing similar development of a bilayer repair while the polymer foam was shed from the wound, or generating a bilayer repair with the foam scaffold being retained (composite "take"). These results conclude our porcine program and provide proof of concept that the integrated BTM can be closed with an autologous CCS. Once fully optimized, this may provide robust repair without resorting to the split-skin graft, important in those cases where unburned donor site is unavailable.
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Yang L, Hashimoto K, Shirakata Y. Epidermogenesis in a skin wound deep through the basement membrane contributes to scar formation. J Dermatol Sci 2012; 65:224-6. [DOI: 10.1016/j.jdermsci.2011.10.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2011] [Revised: 09/27/2011] [Accepted: 10/31/2011] [Indexed: 11/28/2022]
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An epidermal stem cells niche microenvironment created by engineered human amniotic membrane. Biomaterials 2011; 32:7801-11. [DOI: 10.1016/j.biomaterials.2011.06.076] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2011] [Accepted: 06/29/2011] [Indexed: 01/10/2023]
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La membrane amniotique humaine dans la prise en charge des ulcères de jambe veineux chroniques. Ann Dermatol Venereol 2011; 138:572-9. [DOI: 10.1016/j.annder.2011.05.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2011] [Revised: 04/13/2011] [Accepted: 05/03/2011] [Indexed: 11/19/2022]
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Yan G, Sun H, Wang F, Wang J, Wang F, Zou Z, Cheng T, Ai G, Su Y. Topical application of hPDGF-A-modified porcine BMSC and keratinocytes loaded on acellular HAM promotes the healing of combined radiation-wound skin injury in minipigs. Int J Radiat Biol 2011; 87:591-600. [DOI: 10.3109/09553002.2011.570854] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Lammers G, Verhaegen PD, Ulrich MM, Schalkwijk J, Middelkoop E, Weiland D, Nillesen ST, Van Kuppevelt TH, Daamen WF. An Overview of Methods for the In Vivo Evaluation of Tissue-Engineered Skin Constructs. TISSUE ENGINEERING PART B-REVIEWS 2011; 17:33-55. [DOI: 10.1089/ten.teb.2010.0473] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Gerwen Lammers
- Department of Biochemistry, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Pauline D.H.M. Verhaegen
- Association of Dutch Burn Centres, Red Cross Hospital, Beverwijk, The Netherlands
- Department of Plastic, Reconstructive, and Hand Surgery, Academic Medical Centre, Amsterdam, The Netherlands
| | - Magda M.W. Ulrich
- Department of Plastic, Reconstructive, and Hand Surgery, Academic Medical Centre, Amsterdam, The Netherlands
- Department of Plastic, Reconstructive and Hand Surgery, VU Medical Center, Amsterdam, The Netherlands
| | - Joost Schalkwijk
- Department of Dermatology, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Esther Middelkoop
- Association of Dutch Burn Centres, Red Cross Hospital, Beverwijk, The Netherlands
- Department of Plastic, Reconstructive and Hand Surgery, VU Medical Center, Amsterdam, The Netherlands
| | - Daniela Weiland
- Department of Biochemistry, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Suzan T.M. Nillesen
- Department of Biochemistry, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Toin H. Van Kuppevelt
- Department of Biochemistry, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
| | - Willeke F. Daamen
- Department of Biochemistry, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
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Hu X, Yu W, Sun H, Wang X, Han C. Epidermal cells delivered for cutaneous wound healing. J DERMATOL TREAT 2010; 23:224-37. [DOI: 10.3109/09546634.2010.495741] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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