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Matsuda A, Hasegawa T, Ikeda Y, Wada A, Ikeda S. Histological and molecular restoration of type VII collagen in Recessive dystrophic epidermolysis bullosa mouse skin by topical injection of keratinocyte-like cells differentiated from human adipose-derived mesenchymal stromal cells. J Dermatol Sci 2024:S0923-1811(24)00099-9. [PMID: 38876908 DOI: 10.1016/j.jdermsci.2024.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/18/2024] [Accepted: 05/23/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND Recessive dystrophic epidermolysis bullosa (RDEB) is a severe skin fragility disorder caused by mutations in the COL7A1 gene, which encodes type VII collagen (COL7), the main constituent of anchoring fibrils for attaching the epidermis to the dermis. Persistent skin erosions frequently result in intractable ulcers in RDEB patients. Adipose-derived mesenchymal stromal cells (AD-MSCs) are easily harvested in large quantities and have low immunogenicity. Therefore, they are suitable for clinical use, including applications involving allogeneic cell transplantation. Keratinocyte-like cells transdifferentiated from AD-MSCs (KC-AD-MSCs) express more COL7 than undifferentiated AD-MSCs and facilitate skin wound healing with less contracture. Therefore, these cells can be used for skin ulcer treatment in RDEB patients. OBJECTIVE We investigated whether KC-AD-MSCs transplantation ameliorated the RDEB phenotype severity in the grafted skin of a RDEB mouse model (col7a1-null) on the back of the immunodeficient mouse. METHODS KC-AD-MSCs were intradermally injected into the region surrounding the skin grafts, and this procedure was repeated after 7 days. After a further 7-day interval, the skin grafts were harvested. RESULTS Neodeposition of COL7 and generation of anchoring fibrils at the dermal-epidermal junction were observed, although experiments were based on qualitative. CONCLUSION KC-AD-MSCs may correct the COL7 insufficiency, repair defective/reduced anchoring fibrils, and improve skin integrity in RDEB patients.
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Affiliation(s)
- Akinori Matsuda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Japan
| | - Toshio Hasegawa
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Japan
| | - Yuri Ikeda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Japan
| | - Akino Wada
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Japan
| | - Shigaku Ikeda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Japan; Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Japan.
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Abou Azar F, Mugabo Y, Yuen S, Del Veliz S, Paré F, Rial SA, Lavoie G, Roux PP, Lim GE. Plakoglobin regulates adipocyte differentiation independently of the Wnt/β-catenin signaling pathway. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2024; 1871:119690. [PMID: 38367915 DOI: 10.1016/j.bbamcr.2024.119690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 02/06/2024] [Accepted: 02/11/2024] [Indexed: 02/19/2024]
Abstract
The scaffold protein 14-3-3ζ is an established regulator of adipogenesis and postnatal adiposity. We and others have demonstrated the 14-3-3ζ interactome to be diverse and dynamic, and it can be examined to identify novel regulators of physiological processes, including adipogenesis. In the present study, we sought to determine if factors that influence adipogenesis during the development of obesity could be identified in the 14-3-3ζ interactome found in white adipose tissue of lean or obese TAP-tagged-14-3-3ζ overexpressing mice. Using mass spectrometry, differences in the abundance of novel, as well as established, adipogenic factors within the 14-3-3ζ interactome could be detected in adipose tissues. One novel candidate was revealed to be plakoglobin, the homolog of the known adipogenic inhibitor, β-catenin, and herein, we report that plakoglobin is involved in adipocyte differentiation. Plakoglobin is expressed in murine 3T3-L1 cells and is primarily localized to the nucleus, where its abundance decreases during adipogenesis. Depletion of plakoglobin by siRNA inhibited adipogenesis and reduced PPARγ2 expression, and similarly, plakoglobin depletion in human adipose-derived stem cells also impaired adipogenesis and reduced lipid accumulation post-differentiation. Transcriptional assays indicated that plakoglobin does not participate in Wnt/β-catenin signaling, as its depletion did not affect Wnt3a-mediated transcriptional activity. Taken together, our results establish plakoglobin as a novel regulator of adipogenesis in vitro and highlights the ability of using the 14-3-3ζ interactome to identify potential pro-obesogenic factors.
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Affiliation(s)
- F Abou Azar
- Department of Medicine, Université de Montréal, Montréal, QC, Canada; Cardiometabolic axis, Centre de Recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada
| | - Y Mugabo
- Department of Medicine, Université de Montréal, Montréal, QC, Canada; Cardiometabolic axis, Centre de Recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada
| | - S Yuen
- Department of Medicine, Université de Montréal, Montréal, QC, Canada; Cardiometabolic axis, Centre de Recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada
| | - S Del Veliz
- Department of Medicine, Université de Montréal, Montréal, QC, Canada; Cardiometabolic axis, Centre de Recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada
| | - F Paré
- Cardiometabolic axis, Centre de Recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada
| | - S A Rial
- Department of Medicine, Université de Montréal, Montréal, QC, Canada; Cardiometabolic axis, Centre de Recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada
| | - G Lavoie
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, Québec, Canada; Department of Pathology and Cell Biology, Faculty of Medicine, Université de Montréal, Montréal, Québec, Canada
| | - P P Roux
- Institute for Research in Immunology and Cancer (IRIC), Université de Montréal, Montréal, Québec, Canada; Department of Pathology and Cell Biology, Faculty of Medicine, Université de Montréal, Montréal, Québec, Canada
| | - G E Lim
- Department of Medicine, Université de Montréal, Montréal, QC, Canada; Cardiometabolic axis, Centre de Recherche du Centre hospitalier de l'Université de Montréal (CRCHUM), Montréal, Québec, Canada.
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D’Arino A, Caputo S, Eibenschutz L, Piemonte P, Buccini P, Frascione P, Bellei B. Skin Cancer Microenvironment: What We Can Learn from Skin Aging? Int J Mol Sci 2023; 24:14043. [PMID: 37762344 PMCID: PMC10531546 DOI: 10.3390/ijms241814043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 08/30/2023] [Accepted: 09/09/2023] [Indexed: 09/29/2023] Open
Abstract
Aging is a natural intrinsic process associated with the loss of fibrous tissue, a slower cell turnover, and a reduction in immune system competence. In the skin, the continuous exposition of environmental factors superimposes extrinsic damage, mainly due to ultraviolet radiation causing photoaging. Although not usually considered a pathogenic event, photoaging affects cutaneous biology, increasing the risk of skin carcinogenesis. At the cellular level, aging is typified by the rise of senescence cells a condition characterized by reduced or absent capacity to proliferate and aberrant hyper-secretory activity. Senescence has a double-edged sword in cancer biology given that senescence prevents the uncontrolled proliferation of damaged cells and favors their clearance by paracrine secretion. Nevertheless, the cumulative insults and the poor clearance of injured cells in the elderly increase cancer incidence. However, there are not conclusive data proving that aged skin represents a permissive milieu for tumor onset. On the other hand, tumor cells are capable of activating resident fibroblasts onto a pro-tumorigenic phenotype resembling those of senescent fibroblasts suggesting that aged fibroblasts might facilitate cancer progression. This review discusses changes that occur during aging that can prime neoplasm or increase the aggressiveness of melanoma and non-melanoma skin cancer.
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Affiliation(s)
- Andrea D’Arino
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Silvia Caputo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Laura Eibenschutz
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Paolo Piemonte
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Pierluigi Buccini
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Pasquale Frascione
- Oncologic and Preventative Dermatology, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
| | - Barbara Bellei
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, Istituto di Ricovero e Cura a Carattere Scientifico IRCCS, 00141 Rome, Italy
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4
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Bellei B, Migliano E, Picardo M. Research update of adipose tissue-based therapies in regenerative dermatology. Stem Cell Rev Rep 2022; 18:1956-1973. [PMID: 35230644 DOI: 10.1007/s12015-022-10328-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/01/2022] [Indexed: 12/09/2022]
Abstract
Mesenchymal stromal/stem cells (MSCs) have a spontaneous propensity to support tissue homeostasis and regeneration. Among the several sources of MSCs, adipose-derived tissue stem cells (ADSCs) have received major interest due to the higher mesenchymal stem cells concentration, ease, and safety of access. However, since a significant part of the natural capacity of ADSCs to repair damaged tissue is ascribable to their secretory activity that combines mitogenic factors, cytokines, chemokines, lipids, and extracellular matrix components, several studies focused on cell-free strategies. Furthermore, adipose cell-free derivatives are becoming more attractive especially for non-volumizing purposes, such as most dermatological conditions. However, when keratinocytes, fibroblasts, melanocytes, adipocytes, and hair follicle cells might not be locally sourced, graft of materials containing concentrated ADSCs is preferred. The usage of extracellular elements of adipose tissue aims to promote a self-autonomous regenerative microenvironment in the receiving area restoring physiological homeostasis. Hence, ADSCs or their paracrine activity are currently being studied in several dermatological settings including wound healing, skin fibrosis, burn, and aging.The present work analyzing both preclinical and clinical experiences gives an overview of the efficacy of adipose tissue-derivatives like autologous fat, the stromal vascular fraction (SVF), purified ADSCs, secretome and extracellular matrix graft in the field of regenerative medicine for the skin.
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Affiliation(s)
- Barbara Bellei
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy.
| | - Emilia Migliano
- Department of Plastic and Reconstructive Surgery, San Gallicano Dermatological Institute, IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy
| | - Mauro Picardo
- Laboratory of Cutaneous Physiopathology and Integrated Center of Metabolomics Research, San Gallicano Dermatological Institute, IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy
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5
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Ho M, Thompson B, Fisk JN, Nebert DW, Bruford EA, Vasiliou V, Bunick CG. Update of the keratin gene family: evolution, tissue-specific expression patterns, and relevance to clinical disorders. Hum Genomics 2022; 16:1. [PMID: 34991727 PMCID: PMC8733776 DOI: 10.1186/s40246-021-00374-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 12/17/2021] [Indexed: 12/15/2022] Open
Abstract
Intermediate filament (IntFil) genes arose during early metazoan evolution, to provide mechanical support for plasma membranes contacting/interacting with other cells and the extracellular matrix. Keratin genes comprise the largest subset of IntFil genes. Whereas the first keratin gene appeared in sponge, and three genes in arthropods, more rapid increases in keratin genes occurred in lungfish and amphibian genomes, concomitant with land animal-sea animal divergence (~ 440 to 410 million years ago). Human, mouse and zebrafish genomes contain 18, 17 and 24 non-keratin IntFil genes, respectively. Human has 27 of 28 type I "acidic" keratin genes clustered at chromosome (Chr) 17q21.2, and all 26 type II "basic" keratin genes clustered at Chr 12q13.13. Mouse has 27 of 28 type I keratin genes clustered on Chr 11, and all 26 type II clustered on Chr 15. Zebrafish has 18 type I keratin genes scattered on five chromosomes, and 3 type II keratin genes on two chromosomes. Types I and II keratin clusters-reflecting evolutionary blooms of keratin genes along one chromosomal segment-are found in all land animal genomes examined, but not fishes; such rapid gene expansions likely reflect sudden requirements for many novel paralogous proteins having divergent functions to enhance species survival following sea-to-land transition. Using data from the Genotype-Tissue Expression (GTEx) project, tissue-specific keratin expression throughout the human body was reconstructed. Clustering of gene expression patterns revealed similarities in tissue-specific expression patterns for previously described "keratin pairs" (i.e., KRT1/KRT10, KRT8/KRT18, KRT5/KRT14, KRT6/KRT16 and KRT6/KRT17 proteins). The ClinVar database currently lists 26 human disease-causing variants within the various domains of keratin proteins.
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Affiliation(s)
- Minh Ho
- Department of Dermatology, Yale University, 333 Cedar St., LCI 501, PO Box 208059, New Haven, CT, 06520-8059, USA
| | - Brian Thompson
- Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT, 06511, USA
| | - Jeffrey Nicholas Fisk
- Program of Computational Biology and Bioinformatics, Yale University, New Haven, CT, 06511, USA
| | - Daniel W Nebert
- Departments of Pediatrics and Molecular and Developmental Biology, Cincinnati Children's Research Center, Cincinnati, OH, 45229, USA
- Department of Environmental Health and Center for Environmental Genetics, University of Cincinnati College of Medicine, Cincinnati, OH, 45267, USA
| | - Elspeth A Bruford
- HUGO Gene Nomenclature Committee (HGNC), EMBL-EBI, Wellcome Genome Campus, Hinxton, Cambridge, CB10 1SD, UK
- Department of Haematology, University of Cambridge, Cambridge, CB2 0XY, UK
| | - Vasilis Vasiliou
- Department of Environmental Health Sciences, Yale School of Public Health, New Haven, CT, 06511, USA
| | - Christopher G Bunick
- Department of Dermatology, Yale University, 333 Cedar St., LCI 501, PO Box 208059, New Haven, CT, 06520-8059, USA.
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT, 06520, USA.
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Ikeda Y, Wada A, Hasegawa T, Yokota M, Koike M, Ikeda S. Melanocyte progenitor cells reside in human subcutaneous adipose tissue. PLoS One 2021; 16:e0256622. [PMID: 34432824 PMCID: PMC8386863 DOI: 10.1371/journal.pone.0256622] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 08/10/2021] [Indexed: 11/17/2022] Open
Abstract
Based on the assumption that some progenitor cells in an organ might reside in neighboring adipose tissue, we investigated whether melanocyte progenitor cells reside in human subcutaneous adipose tissue. First, we examined the expression of human melanoma black 45 (HMB45) and microphthalmia-associated transcription factor (MITF) in undifferentiated adipose-derived stem cells (ADSCs) by immunostaining, RT-PCR, and western blotting. These two markers were detected in undifferentiated ADSCs, and their expression levels were increased in differentiated ADSCs in melanocyte-specific culture medium. Other melanocytic markers (Melan A, MATP, Mel2, Mel EM, tyrosinase, KIT, and PAX3) were also detected at variable levels in undifferentiated ADSCs, and the expression of some markers was increased during differentiation into the melanocyte lineage. We further showed that ADSCs differentiated in melanocyte-specific culture medium localized in the basal layer and expressed tyrosinase and HMB45 in a 3D epidermal culture system. Melanin deposits were also induced by ultraviolet-light-B (UVB) irradiation. These results demonstrate that melanocyte progenitor cells reside in human subcutaneous adipose tissue and that these cells might have the potential to differentiate into mature melanocytes. Melanocyte and keratinocyte progenitors residing in human subcutaneous tissue can be used for the treatment of skin diseases and skin rejuvenation in the future.
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Affiliation(s)
- Yuri Ikeda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Akino Wada
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Toshio Hasegawa
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Mutsumi Yokota
- Department of Cell Biology and Neuroscience, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Masato Koike
- Department of Cell Biology and Neuroscience, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan.,Advanced Research Institute for Health Sciences and Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
| | - Shigaku Ikeda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan.,Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Bunkyo-ku, Tokyo, Japan
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7
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Kim J, Hasegawa T, Wada A, Maeda Y, Ikeda S. Keratinocyte-Like Cells Trans-Differentiated from Human Adipose-Derived Stem Cells, Facilitate Skin Wound Healing in Mice. Ann Dermatol 2021; 33:324-332. [PMID: 34341633 PMCID: PMC8273321 DOI: 10.5021/ad.2021.33.4.324] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/05/2020] [Accepted: 11/19/2020] [Indexed: 12/24/2022] Open
Abstract
Background Mesenchymal stem cells (MSCs) have been reported to promote wound healing in both animal models and human studies. Among MSCs, adipose-derived stem cells (ADSCs) can be easily harvested in large quantities. Objective We investigated whether skin wound healing in mice can be facilitated by keratinocyte-like cells differentiated from ADSCs (KC-ADSCs). Methods For the wound contraction and epithelialization model, a 20 mm×20 mm fullthickness skin wound was made on the dorsum. For the wound epithelialization model, a 6 mm×6 mm full-thickness skin wound was made on the dorsum. A nitrile rubber stent with an inner diameter of 8 mm was sutured around the wounds to minimize wound contraction. Undifferentiated ADSCs (uADSCs) or KC-ADSCs was injected around the wound base in both models. To evaluate whether the injected ADSCs could enhance wound contraction in a skin wound, the contractile activity of ADSCs was assessed by an in vitro type I collagen gel contraction assay. Alpha-smooth muscle actin (αSMA) expressions in uADSCs and KC-ADSCs were also evaluated by flow cytometry and real-time polymerase chain reaction. Results In a wound contraction and epithelialization model, KC-ADSCs further facilitated wound healing compared with uADSCs. In a wound epithelialization model, KC-ADSCs also further facilitated wound epithelialization compared with uADSCs. The contractile activity of KC-ADSCs was lower than that of uADSCs. The uADSCs expressed high levels of αSMA, which decreased after the differentiation into keratinocyte-like cells. Conclusion Our results suggest that the wound healing effect of KC-ADSCs depends primarily on re-epithelialization rather than wound contraction.
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Affiliation(s)
- Jonghun Kim
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Toshio Hasegawa
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Akino Wada
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Yuichiro Maeda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Shigaku Ikeda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, Tokyo, Japan.,Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
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Khazaei S, Keshavarz G, Bozorgi A, Nazari H, Khazaei M. Adipose tissue-derived stem cells: a comparative review on isolation, culture, and differentiation methods. Cell Tissue Bank 2021; 23:1-16. [PMID: 33616792 DOI: 10.1007/s10561-021-09905-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 02/01/2021] [Indexed: 01/14/2023]
Abstract
Adipose tissue-derived stem cells (ADSCs) are an available source of mesenchymal stem cells with the appropriate capacity to in vitro survive, propagate, and differentiate into cells from three lineages of ectoderm, mesoderm, and endoderm. The biological features of ADSCs depend on the donor physiology and health status, isolation procedure, culture conditions, and differentiation protocols used. Adipose tissue samples are provided by surgery and lipoaspiration-based methods and subjected to various mechanical and chemical digestion techniques to finally generate a heterogeneous mixture named stromal vascular fraction (SVF). ADSCs are purified through varied cell populations that exist within SVF and cultured under standard conditions to give rise to a highly rich resource of stem cells directly applied in the clinic or differentiated into a wide range of cells. The development and optimization of conventional isolation, expansion, and differentiation methods seem noteworthy to preserve the desirable biological functions of ADSCs in pre-clinical and clinical investigations.
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Affiliation(s)
- Saber Khazaei
- Department of Endodontics, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ghazal Keshavarz
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Azam Bozorgi
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.,Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Hamed Nazari
- Department of Orofacial Surgery, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mozafar Khazaei
- Fertility and Infertility Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Changing Expression Profiles and Inclination to Competing Endogenous RNA Networks on MAPK Signaling Pathways of Human Adipose-Derived Stem Cells in a Direct Current Electric Field. BIOMED RESEARCH INTERNATIONAL 2020; 2020:7134719. [PMID: 33204710 PMCID: PMC7666630 DOI: 10.1155/2020/7134719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/11/2020] [Accepted: 08/20/2020] [Indexed: 11/17/2022]
Abstract
Adipose-derived stem cells (ADSCs) are an abundant cell source and provide an easy way to harvest mesenchymal stem cells, which are the focus of considerable attention in regenerative medicine. Electric fields (EF) play roles in many biological events and have been reported to promote cell proliferation, migration, and differentiation. In this study, ADSCs were treated with a direct current electric field (DCEF) of either 0 (control group) or 300 mV/mm (EF group) for six hours. RNA screening and analysis revealed that 66, 164, 26, and 1310 circRNAs, lncRNAs, miRNAs, and mRNAs, respectively, were differentially expressed in the DCEF-treated ADSCs compared with untreated ADSCs. Differentially expressed mRNAs were enriched in the MAPK signaling pathway, TNF signaling pathway, and some other pathways. ANXA1, ERRFI1, JAG1, EPHA2, PRR9, and H2AFY2 were related to the keratinocyte differentiation process. Competing endogenous RNA (ceRNA) networks were constructed on the basis of genes in the MAPK signaling pathway. Twenty-one RNAs in the above networks were randomly chosen, and their expression was validated using qRT-PCR, which showed the same expression trends as the RNA sequencing analysis. The MAPK signaling pathway is of great importance in the ADSC processes that occur in a DCEF, including keratinocyte differentiation. Several ceRNAs may participate in the regulation of MAPK signaling. This study may give new insight into the proliferation, migration, and differentiation of ADSCs, which will be valuable for tissue engineering and regenerative medicine.
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Costa CRM, Feitosa MLT, Rocha AR, Bezerra DO, Leite YKC, Argolo Neto NM, Rodrigues HWS, Júnior AS, Silva AS, Sarmento JLR, Silva LS, Carvalho MAM. Adipose stem cells in reparative goat mastitis mammary gland. PLoS One 2019; 14:e0223751. [PMID: 31639137 PMCID: PMC6804991 DOI: 10.1371/journal.pone.0223751] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 09/29/2019] [Indexed: 01/01/2023] Open
Abstract
Mesenchymal stem cells have been widely used in the treatment of various chronic diseases. The objective of this survey was to evaluate the therapeutic and regenerative potential of stem cells from adipose tissue (ASCs) in the milk production recovery repair of tissue injury in mastitis goats treated with antimicrobial agents prior to cell therapy. After the diagnosis of mastitis and treatment with gentamicin, eight lactating goats were selected for cellular and subsequent therapy, physical-chemical analysis of milk, ultrasonographic and histopathological examinations. The ASCs were taken from the subcutaneous fat of a young goat cultivated in vitro, marked with Qdots-655 and injected in the left mammary gland, being the right mammary gland used as the control. After 30 days the ultrasonographic and histopathological analyzes were repeated and, in the first lactation period, the physical-chemical analysis of the milk was reapeated. Before the cellular therapy, the physical-chemical quality of the milk was compromised and the ultrasonographic and histopathological analysis revealed a chronic inflammatory process and fibrous tissue. The marking of the ASCs with Qdots enabled the tracking, by fluorescence microscopy (BX41-OLYMPUS), in the mammary tissue. In the ASCs therapy, cultures showed high cellularity and characteristics favorable to preclinical studies; with the therapy the physical-chemical parameters of the milk, fat, protein, temperature and pH showed significant differences among the groups; five animals treated with ASCs reconstituted the functionality of the gland and the connective tissue reduced in quantity and inflammatory infiltrate cells. ASCs have potential for the possible regeneration of fibrous mastitis lesions in the mammary gland, however, it would be necessary to increase injection time for the histopathological analysis, since the reconstitution of the glandular acini within the assessed period was not finalized. ASCs can be used to reestablish milk production in goat with chronic mastitis repair mammary lesions, with potential to be a promising clinical alternative for animal rehabilitation for productivity.
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Affiliation(s)
- Clautina R. M. Costa
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | - Matheus L. T. Feitosa
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | - Andressa R. Rocha
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | - Dayseanny O. Bezerra
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | - Yulla K. C. Leite
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | - Napoleão M. Argolo Neto
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | - Huanna W. S. Rodrigues
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | | | - Adalberto S. Silva
- Biology Department, Federal University of Piauí, Teresina, Piauí, Brazil
| | - José L. R. Sarmento
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | - Lucilene S. Silva
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
| | - Maria A. M. Carvalho
- Integrated Nucleus of Morphology and Stem Cell Research (NUPCelt), Federal University of Piauí (UFPI), Teresina, Piauí, Brazil
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Adipose-Derived Tissue in the Treatment of Dermal Fibrosis: Antifibrotic Effects of Adipose-Derived Stem Cells. Ann Plast Surg 2019; 80:297-307. [PMID: 29309331 DOI: 10.1097/sap.0000000000001278] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Treatment of hypertrophic scars and other fibrotic skin conditions with autologous fat injections shows promising clinical results; however, the underlying mechanisms of its antifibrotic action have not been comprehensively studied. Adipose-derived stem cells, or stromal cell-derived factors, inherent components of the transplanted fat tissue, seem to be responsible for its therapeutic effects on difficult scars. The mechanisms by which this therapeutic effect takes place are diverse and are mostly mediated by paracrine signaling, which switches on various antifibrotic molecular pathways, modulates the activity of the central profibrotic transforming growth factor β/Smad pathway, and normalizes functioning of fibroblasts and keratinocytes in the recipient site. Direct cell-to-cell communications and differentiation of cell types may also play a positive role in scar treatment, even though they have not been extensively studied in this context. A more thorough understanding of the fat tissue antifibrotic mechanisms of action will turn this treatment from an anecdotal remedy to a more controlled, timely administered technology.
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12
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Crosstalk among adipose tissue, vitamin D level, and biomechanical properties of hypertrophic burn scars. Burns 2019; 45:1430-1437. [PMID: 31076207 DOI: 10.1016/j.burns.2019.04.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/05/2019] [Accepted: 04/16/2019] [Indexed: 12/29/2022]
Abstract
PURPOSE This cross-sectional study aimed to investigate whether adipose tissue loss and reduced vitamin D levels following severe burn injury are associated with pathologic scar formation and biomechanical scar properties. METHODS A total of 492 male subjects with hypertrophic burn scars were enrolled from January 2014 to July 2018 and analyzed. Body fat content was measured using dual-energy X-ray absorptiometry. Values of melanin, erythema, and trans-epidermal water loss (TEWL) and the distensibility and elasticity of hypertrophic scars were examined using pigment- and TEWL-measuring devices and a suction skin elasticity meter. RESULTS Burn patients with higher fat percentage tended to have higher 25(OH) vitamin D levels (P < 0.001). As body fat percentage increased, hypertrophic scars showed higher mean value of Uf (distensibility, P < 0.001) and lower mean value of Uv/Ue (viscoelasticity or interstitial fluid shifting, P < 0.001). Burn patients with higher 25(OH) vitamin D levels tended to have higher mean values of Uf (P < 0.001) and Ua/Uf (gross elasticity, P = 0.013) and lower mean value of Uv/Ue (P = 0.008). CONCLUSION Adipose tissue loss and decreased 25(OH) vitamin D levels following burn injury were related to scar rigidity and slow interstitial fluid shifting in hypertrophic scars.
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Hintze JM, Tchoukalova YD, Sista R, Shah MK, Zhang N, Lott DG. Development of xeno-free epithelial differentiation media for adherent, non-expanded adipose stromal vascular cell cultures. Biochem Biophys Res Commun 2018; 503:3128-3133. [PMID: 30166060 DOI: 10.1016/j.bbrc.2018.08.104] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 08/15/2018] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Reconstruction of respiratory epithelium is critical for the fabrication of bioengineered airway implants. Epithelial differentiation is typically achieved using bovine pituitary extract (BPE). Due to the xenogenic nature and undefined composition of BPE, an alternative for human clinical applications, devoid of BPE, must be developed. The goal of this study was to develop two different BPE-free media, with and without select pituitary hormone (PH), which could initiate epithelial differentiation for use in human implantation. METHODS The ability of the two BPE-free media to initiate epithelial differentiation of adherent, non-expanded stromal-vascular cells grown on porcine small intestinal submucosa was compared to traditional BPE-containing media (M1). Nanostring® was used to measure differences in gene expression of stemness (MSC), basal cell (basal), and ciliated markers (muco-cil), and staining was performed support the gene data. RESULTS Compared to baseline, both BPE-free media upregulated epithelial and stemness genes, however this was to a lower degree than BPE-containing media. In general, the expression of basal cell markers (COL17A1, DSG3, ITGA6, KRT6A, LOXL2) and secreted mucous proteins (PLUNC, MUC5B, SCGB2A1) was upregulated. The gene expression of ciliated markers C9orf24, TUBA3 and DNCL2B but not of the key transcription factor for cilagenesis FOXJ1 were upregulated, indicating that mucus-secreting cell differentiation occurs more rapidly than ciliogenesis. The ability of the adherent stromal vascular cells to upregulate gene expression of both epithelial and stemness markers suggests maintenance of the self-renewal capacity of undifferentiated and/or basal cell-like cells contributing to proliferation and ensuring a persisting source of cells for regenerative medicine applications. CONCLUSION This study provides the initial step to defining a BPE-free epithelial differentiation medium for clinical translation. Thus, either of the proposed BPE-free medium are viable alternatives to BPE-containing medium for partial epithelial differentiation for human translational applications.
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Affiliation(s)
- Justin M Hintze
- Head and Neck Regeneration Program, Center for Regenerative Medicine, Mayo Clinic, USA
| | - Yourka D Tchoukalova
- Head and Neck Regeneration Program, Center for Regenerative Medicine, Mayo Clinic, USA
| | - Ramachandra Sista
- Department of Pulmonary and Critical Care Medicine, Mayo Clinic, Phoenix, AZ, USA
| | - Manisha K Shah
- Head and Neck Regeneration Program, Center for Regenerative Medicine, Mayo Clinic, USA
| | - Nan Zhang
- Department of Biostatistics, Mayo Clinic, Scottsdale, AZ, USA
| | - David G Lott
- Head and Neck Regeneration Program, Center for Regenerative Medicine, Mayo Clinic, USA; Department of Otolaryngology - Head and Neck Surgery, Mayo Clinic, Phoenix, AZ, USA.
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Maeda Y, Hasegawa T, Wada A, Fukai T, Iida H, Sakamoto A, Ikeda S. Adipose-derived stem cells express higher levels of type VII collagen under specific culture conditions. Arch Dermatol Res 2017; 309:843-849. [PMID: 28940088 DOI: 10.1007/s00403-017-1781-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 09/04/2017] [Accepted: 09/13/2017] [Indexed: 11/26/2022]
Abstract
Type VII collagen (Col7) is a major component of the anchoring fibrils at the dermoepidermal junction. Adipose-derived stem cells (ADSCs) are a cell population highly useful in regenerative medicine because of their ease of isolation and their potential for multilineage differentiation. Based on the observations that K14 was expressed in undifferentiated ADSCs and the expression was downregulated after differentiation into adipocytes, we speculated that ADSCs are keratinocyte stem/progenitor cells. ADSCs were co-cultured with fibroblasts on type IV collagen in a medium containing all-trans retinoic acid and bone morphogenetic protein 4. At day 14 of culture in keratinocyte serum-free medium, the cells were harvested and subjected to immunofluorescence, flow cytometry, real-time PCR, and western blotting. Approximately, 45% of ADSCs were immunostained positively for anti-human cytokeratin 10, and approximately 80% were stained positively for Col7. Flow cytometry, real-time PCR, and western blotting also confirmed that differentiated ADSCs expressed higher levels of Col7. These findings support the therapeutic potential of ADSCs, not only for wound healing, but also for the correction of Col7 deficiencies.
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Affiliation(s)
- Yuichiro Maeda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Toshio Hasegawa
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan.
| | - Akino Wada
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Tatsuo Fukai
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Hideo Iida
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Atsushi Sakamoto
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
| | - Shigaku Ikeda
- Department of Dermatology and Allergology, Juntendo University Graduate School of Medicine, 2-1-1 Hongo, Bunkyo-ku, Tokyo, 113-8421, Japan
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
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15
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Tang S, Tan Q, Zhou Y, Lü Q. [Research progress of adipose-derived stem cells in skin wound healing]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2017; 31:745-750. [PMID: 29798659 DOI: 10.7507/1002-1892.201701003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Objective To review the research progress of adipose-derived stem cells (ADSCs) in skin wound healing. Methods The recent experiments and clinical studies on the role of ADSCs in skin wound healing were extensively retrieved and analyzed. Additionally, possible mechanisms and novel application strategies were proposed. Results As confirmed by in vitro and in vivo experiments and clinical studies, ADSCs promote skin wound healing mainly by two mechanisms: differentiation to target cells that participate in skin wound healing and cytokines paracrine to promote proliferation and migration of various cell lines that are mandatory to promote skin wound healing. Moreover, scaffold materials and cell sheet technology may further add to the potency of ADSCs in promoting skin wound healing. Conclusion Remarkable progress has been made in the application of ADSCs in skin wound healing. Further studies are needed to explore the application methods of ADSCs.
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Affiliation(s)
- Shenli Tang
- Department of Breast Surgery, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China;Division of Stem Cell and Tissue Engineering, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Qiuwen Tan
- Department of Breast Surgery, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China;Division of Stem Cell and Tissue Engineering, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Yuting Zhou
- Department of Breast Surgery, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China;Division of Stem Cell and Tissue Engineering, Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China
| | - Qing Lü
- Department of Breast Surgery, West China Hospital, Sichuan University, Chengdu Sichuan, 610041,
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Kruglikov IL, Wollina U. Local effects of adipose tissue in psoriasis and psoriatic arthritis. PSORIASIS-TARGETS AND THERAPY 2017; 7:17-25. [PMID: 29387604 PMCID: PMC5774600 DOI: 10.2147/ptt.s122959] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The structure and physiological state of the local white adipose tissue (WAT) located underneath the lesional psoriatic skin and inside of the joints affected by psoriatic arthritis play an important role in the pathophysiology of these diseases. WAT pads associated with inflammatory sites in psoriasis and psoriatic arthritis are, correspondingly, dermal WAT and articular adipose tissue; these pads demonstrate inflammatory phenotypes in both diseases. Such local WAT inflammation could be the primary effect in the pathophysiology of psoriasis leading to the modification of the local expression of adipokines, a change in the structure of the basement membrane and the release of keratinocytes with consequent epidermal hyperproliferation during psoriasis. Similar articular adipose tissue inflammation can lead to the induction of structural modifications and synovial inflammation in the joints of patients with psoriatic arthritis.
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Affiliation(s)
| | - Uwe Wollina
- Department of Dermatology and Allergology, Hospital Dresden-Friedrichstadt Academic Teaching Hospital of the Technical University of Dresden, Dresden, Germany
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Bayati V, Abbaspour MR, Neisi N, Hashemitabar M. Skin-derived precursors possess the ability of differentiation into the epidermal progeny and accelerate burn wound healing. Cell Biol Int 2016; 41:187-196. [PMID: 27981666 DOI: 10.1002/cbin.10717] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 12/10/2016] [Indexed: 12/31/2022]
Abstract
Skin-derived precursors (SKPs) are remnants of the embryonic neural crest stem cells that reside in the dermis until adulthood. Although they possess a wide range of differentiation potentials, their differentiation into keratinocyte-like cells and their roles in skin wound healing are obscure. The present study aimed to investigate the differentiation of SKPs into keratinocyte-like cells and evaluate their role in healing of third degree burn wounds. To this aim, SKPs were differentiated into keratinocyte-like cells on tissue culture plate and collagen-chitosan scaffold prepared by freeze-drying. Their differentiation capability was detected by real-time RT-PCR and immunofluorescence. Thereafter, they were cultured on scaffold and implanted in a rat model of burn wound. Histopathological and immunohistochemical analyses were employed to examine the reconstituted skin. The research findings revealed that SKPs were able to differentiate along the epidermal lineage and this ability can be enhanced on a suitable scaffold. Additionally, the results indicated that SKPs apparently promoted wound healing process and accelerate its transition from proliferating stage to maturational phase, especially if they were differentiated into keratinocyte-like cells. Regarding the results, it is concluded that SKPs are able to differentiate into keratinocyte-like cells, particularly when they are cultured on collagen-chitosan scaffold. Moreover, they can regenerate epidermal and dermal layers including thick collagen bundles, possibly through differentiation into keratinocyte-like cells.
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Affiliation(s)
- Vahid Bayati
- Cellular and Molecular Research Centre, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, 61357-15794, Iran.,Department of Anatomical Sciences, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, 61357-15794, Iran
| | - Mohammad Reza Abbaspour
- Targeted Drug Delivery Research Centre, Mashhad University of Medical Sciences, Mashhad, 91775-1365, Iran
| | - Niloofar Neisi
- Department of Medical Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, 61357-15794, Iran
| | - Mahmoud Hashemitabar
- Cellular and Molecular Research Centre, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, 61357-15794, Iran.,Department of Anatomical Sciences, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, 61357-15794, Iran
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Ghanavati Z, Orazizadeh M, Bayati V, Abbaspour MR, Khorsandi L, Mansouri E, Neisi N. Characterization of A Three-Dimensional Organotypic Co-Culture Skin Model for Epidermal Differentiation of Rat Adipose-Derived Stem Cells. CELL JOURNAL 2016; 18:289-301. [PMID: 27602310 PMCID: PMC5011316 DOI: 10.22074/cellj.2016.4553] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 11/28/2015] [Indexed: 12/17/2022]
Abstract
Objective The organotypic co-culture is a well-known technique to examine cellular
interactions and their roles in stem cell proliferation and differentiation. This study
aims to evaluate the effects of dermal fibroblasts (DFs) on epidermal differentiation
of adipose-derived stem cells (ASCs) using a three-dimensional (3D) organotypic co-
culture technique.
Materials and Methods In this experimental research study, rat DFs and ASCs were
isolated and cultured separately on electrospun polycaprolactone (PCL) matrices.
The PCL matrices seeded by ASCs were superimposed on to the matrices seeded
by DFs in order to create a 3D organotypic co-culture. In the control groups, PCL
matrices seeded by ASCs were placed on matrices devoid of DFs. After 10 days, we
assessed the expressions of keratinocyte-related genes by real-time reverse transcriptase-polymerase chain reaction (RT-PCR) and expression of pan-cytokeratin
protein by immunofluorescence in the differentiated keratinocyte-like cells from co-
culture and control groups. Keratinocyte-like cell morphologies were also observed
by scanning electron microscopy (SEM).
Results The early, intermediate, and terminal differentiation keratinocyte markers-Cytokeratin14, Filaggrin, and Involucrin significantly expressed in the co-culture groups com-
pared to the control ones (P<0.05). We observed pan-cytokeratin in keratinocyte-like cells
of both groups by immunofluorescence. SEM observation of the co-culture groups showed
that the differentiated keratinocyte-like cells developed a polygonal cobblestone shape,
considered characteristic of keratinocytes.
Conclusion The 3D organotypic co-culture bilayered construct that consisted of DFs and
ASCs was an effective technique for epidermal differentiation of ASCs. This co-culture
might be useful for epidermal differentiation of stem cells for future applications in skin
regeneration.
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Affiliation(s)
- Zeinab Ghanavati
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Department of Anatomical Sciences, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mahmoud Orazizadeh
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Department of Anatomical Sciences, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Vahid Bayati
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Department of Anatomical Sciences, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohammad Reza Abbaspour
- Targeted Drug Delivery Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Layasadat Khorsandi
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Department of Anatomical Sciences, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Esrafil Mansouri
- Cellular and Molecular Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran; Department of Anatomical Sciences, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Niloofar Neisi
- Department of Medical Virology, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Tanabe S. Signaling involved in stem cell reprogramming and differentiation. World J Stem Cells 2015; 7:992-8. [PMID: 26328015 PMCID: PMC4550631 DOI: 10.4252/wjsc.v7.i7.992] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Revised: 05/29/2015] [Accepted: 06/18/2015] [Indexed: 02/06/2023] Open
Abstract
Stem cell differentiation is regulated by multiple signaling events. Recent technical advances have revealed that differentiated cells can be reprogrammed into stem cells. The signals involved in stem cell programming are of major interest in stem cell research. The signaling mechanisms involved in regulating stem cell reprogramming and differentiation are the subject of intense study in the field of life sciences. In this review, the molecular interactions and signaling pathways related to stem cell differentiation are discussed.
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Affiliation(s)
- Shihori Tanabe
- Shihori Tanabe, National Institute of Health Sciences, Tokyo 158-8501, Japan
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Shingyochi Y, Orbay H, Mizuno H. Adipose-derived stem cells for wound repair and regeneration. Expert Opin Biol Ther 2015; 15:1285-92. [PMID: 26037027 DOI: 10.1517/14712598.2015.1053867] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION The use of undifferentiated cells for cell-based tissue repair and regeneration strategies represents a promising approach for chronic wound healing. Multipotent adult stem cells isolated from adipose tissue, termed adipose-derived stem cells (ASCs), appear to be an ideal population of stem cells because they are autologous, non-immunogenic, plentiful, and easily obtained. Both preclinical and clinical studies have revealed that ASCs have potential for wound healing due to the mechanisms described below. AREAS COVERED Both in vitro and in vivo studies demonstrated that ASCs not only differentiate into keratinocytes, fibroblasts, and endothelial cells, as evidenced by their morphology, expression of cell surface markers, and gene expression, but also secrete several soluble factors, which positively contribute to wound healing in a paracrine manner. Clinical trials have been conducted using autologous ASCs with great success. EXPERT OPINION There remain many concerns regarding the use of ASCs, including how these cells act as precursors of keratinocytes, fibroblasts, and endothelial cells, or as a secretion vehicle of soluble factors. Further studies are necessary to establish the optimal strategy for the treatment of chronic wounds in patients with different disease backgrounds.
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Affiliation(s)
- Yoshiaki Shingyochi
- Juntendo University School of Medicine, Department of Plastic and Reconstructive Surgery , 2-1-1 Hongo Bunkyo-ku, Tokyo 1138421 , Japan
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