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Hazrati R, Davaran S, Keyhanvar P, Soltani S, Alizadeh E. A Systematic Review of Stem Cell Differentiation into Keratinocytes for Regenerative Applications. Stem Cell Rev Rep 2024; 20:362-393. [PMID: 37922106 DOI: 10.1007/s12015-023-10636-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2023] [Indexed: 11/05/2023]
Abstract
To improve wound healing or treatment of other skin diseases, and provide model cells for skin biology studies, in vitro differentiation of stem cells into keratinocyte-like cells (KLCs) is very desirable in regenerative medicine. This study examined the most recent advancements in in vitro differentiation of stem cells into KLCs, the effect of biofactors, procedures, and preparation for upcoming clinical cases. A range of stem cells with different origins could be differentiated into KLCs under appropriate conditions. The most effective ways of stem cell differentiation into keratinocytes were found to include the co-culture with primary epithelial cells and keratinocytes, and a cocktail of growth factors, cytokines, and small molecules. KLCs should also be supported by biomaterials for the extracellular matrix (ECM), which replicate the composition and functionality of the in vivo extracellular matrix (ECM) and, thus, support their phenotypic and functional characteristics. The detailed efficient characterization of different factors, and their combinations, could make it possible to find the significant inducers for stem cell differentiation into epidermal lineage. Moreover, it allows the development of chemically known media for directing multi-step differentiation procedures.In conclusion, the differentiation of stem cells to KLCs is feasible and KLCs were used in experimental, preclinical, and clinical trials. However, the translation of KLCs from in vitro investigational system to clinically valuable cells is challenging and extremely slow.
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Affiliation(s)
- Raheleh Hazrati
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soodabeh Davaran
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Peyman Keyhanvar
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Somaieh Soltani
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Effat Alizadeh
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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Heidari F, Yari A, Teimourian S, Joulai Veijouye S, Nobakht M. Effects of Hair Follicle Stem Cells Coupled With Polycaprolactone Scaffold on Cutaneous Wound Healing in Diabetic Male Rats. J Surg Res 2023; 281:200-213. [PMID: 36191376 DOI: 10.1016/j.jss.2022.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 07/19/2022] [Accepted: 08/16/2022] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Chronic wounds are debilitating complications of diabetes mellitus. The present study was conducted to investigate the effect of the hair follicle stem cells (HFSCs) by polycaprolactone scaffold on the healing of incisional cutaneous wounds on streptozotocin-induced diabetic male rats. METHODS The wound model was obtained by a biopsy punch of the skin of the animals' back. The animals were randomly divided into five groups as follows: (1) Sham (nondiabetic, not treated), (2) Control (diabetic, not treated), (3) Scaffold (diabetic, treated with polycaprolactone nanofiber scaffold), (4) HFSCs (diabetic, treated with HFSCs), and (5) Scaffold + HFSCs (diabetic, treated with combination of Scaffold and HFSCs). The wounds were photographed in the course of the treatment and their healing rate was assessed. The samples were collected from the wound sites 7, 14, and 28 d after their development. Angiogenesis was surveyed by examining messenger RNA expression and the protein synthesis levels of vascular endothelial growth factor receptor 2 (VEGFR2) and platelet/endothelial cell adhesion molecule-1/cluster of differentiation 31. The histological changes were investigated using hematoxylin and eosin and Masson's trichrome staining. Furthermore, the wound breaking strength was measured on the 28th day by tensiometry. RESULTS The application of the VEGFR2 as a substrate promotes the expression of CD31 in HFSCs and Scaffold + HFSCs groups compared to controls (P < 0.0001). HFSCs and scaffold also rescue the diabetes-induced dysfunction as assessed based on the parameters, such as viability, proliferation, colony formation, cellular adhesion, and chemotactic migration. HFSCs augment the levels of VEGFR2 and promote the restoration of the wound healing in diabetic groups. Furthermore, the maximum biomechanical stress significantly increased in the experimental diabetic groups (Scaffold: 1.38 ± 0.09, HFSCs: 2.13 ± 0.8, Scaffold + HFSCs: 2.38 ± 0.11) compared to the diabetes control group (1.16 ± 0.12). Using of HFSCs and scaffold on diabetic wounds leads to an accelerated wound closure, notably. CONCLUSIONS Thus, the current data showed that HFSCs and scaffold form excellent biomaterial in the treatment of diabetic wounds.
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Affiliation(s)
- Fatemeh Heidari
- Department of Anatomy, School of Medicine, Qom University of Medical Sciences, Qom, Iran
| | - Abazar Yari
- Department of Anatomy, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran; Dietary Supplements and Probiotics Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Shahram Teimourian
- Department of Cell and Molecular Biology, Iran University of Medical Sciences, Tehran, Iran
| | - Sanaz Joulai Veijouye
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Maliheh Nobakht
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran; Anti-Microbial Resistance Research Center, Iran University of Medical Sciences, Tehran, Iran.
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Lin B, Zhu J, Yin G, Liao M, Lin G, Yan Y, Huang D, Lu S. Transcription Factor DLX5 Promotes Hair Follicle Stem Cell Differentiation by Regulating the c-MYC/microRNA-29c-3p/NSD1 Axis. Front Cell Dev Biol 2021; 9:554831. [PMID: 34336814 PMCID: PMC8319474 DOI: 10.3389/fcell.2021.554831] [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: 04/23/2020] [Accepted: 03/10/2021] [Indexed: 11/22/2022] Open
Abstract
Introduction Adult stem cell function has been one of the most intensively explored areas of biological and biomedical research, with hair follicle stem cells serving as one of the best model systems. This study explored the role of the transcription factor DLX5 in regulating hair follicle stem cell (HFSC) differentiation. Methods HFSCs were isolated, characterized, and assessed for their expression of DLX5, c-MYC, NSD1, and miR-29c-3p using RT-qPCR, Western blot analysis, or immunofluorescence. Next, the ability of HFSCs to proliferate as well as differentiate into either sebaceous gland cells or epidermal cells was determined. The binding of DLX5 to the c-MYC promoter region, the binding of c-MYC to the miR-29c-3p promoter region, and the binding of miR-29c-3p to the 3′-UTR of NSD1 mRNA were verified by luciferase activity assay and ChIP experiments. Results DLX5 was highly expressed in differentiated HFSCs. DLX5 transcriptionally activated c-MYC expression to induce HFSC differentiation. c-MYC was able to bind the miR-29c-3p promoter and thus suppressed its expression. Without miR-29c-3p mediated suppression, NSD1 was then able to promote HFSC differentiation. These in vitro experiments suggested that DLX5 could promote HFSC differentiation via the regulation of the c-MYC/miR-29c-3p/NSD1 axis. Discussion This study demonstrates that DLX5 promotes HFSC differentiation by modulating the c-MYC/miR-29c-3p/NSD1 axis and identifies a new mechanism regulating HFSC differentiation.
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Affiliation(s)
- Bojie Lin
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jiangying Zhu
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China.,Academy of Humanities and Social Sciences, Guangxi Medical University, Nanning, China
| | - Guoqian Yin
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Mingde Liao
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Guanyu Lin
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yuyong Yan
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Dan Huang
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Siding Lu
- Department of Plastic and Aesthetic Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Yari A, Heidari F, Veijouye SJ, Nobakht M. Hair follicle stem cells promote cutaneous wound healing through the SDF-1α/CXCR4 axis: an animal model. J Wound Care 2021; 29:526-536. [PMID: 32924817 DOI: 10.12968/jowc.2020.29.9.526] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE An appropriate source of adult stem cells for therapeutic use is stem cells deriving from the hair follicle bulge. Following injury, ischaemic tissues produce a variety of cytokines and growth factors that are essential for tissue repair. This study sought to investigate the temporal effects of hair follicle bulge stem cells (HFSCs) on cutaneous wound healing in rats using the SDF-1α/CXCR4 axis. METHOD HFSCs obtained from rat vibrissa, labeled with DiI and then special markers, were detected using flow cytometry. The animals were divided into five groups: control (non-treated, n=18), sham (PBS, n=18), AMD (treated with AMD3100, n=18), HFSC + AMD (treated with HFSCs + AMD3100, n=18) and HFSC (treated with HFSCs, n=18). A full-thickness excisional wound model was created and DiI-labeled HFSCs were injected around the wound bed. Wound healing was recorded with digital photographs. The animals were sacrificed 3, 7 and 14 days after the surgery and were used for histological (H&E, Masson's trichrome staining) and molecular (ELISA and q-PCR) assays. RESULTS The flow cytometry results demonstrated that HFSCs were CD34-positive, nestin-positive, but Kr15-negative. The morphological analysis of the HFSC-treated wounds showed accelerated wound closure. The histological analysis of the photomicrographs exhibited more re-epithelialisation and dermal structural regeneration in the HFSC-treated wounds compared with the control group. In the HFSC + AMD group, the histological parameters improved on the same days, but showed a significant decrease compared with the HFSC group in all the days assayed. In the AMD group, there was a significant reduction in the noted parameters. qRT-PCR and ELISA showed a high expression level of SDF-1α, CXCR4 and VEGFR-2 in the HFSC-treated wounded skin tissue, but the expression of CXCR4 and VEGFR-2 showed a significant reduction in the HFSC + AMD group compared with the HFSC group. CONCLUSIONS Based on the findings of this study, HFSC transplantation affects wound closure parameters and the expression of SDF-1α and CXCR4. As the SDF-1α expression level increases in the injured area, the HFSCs contribute to wound repair through the SDF-1α/CXCR4 axis. This result is extremely valuable because it raises the possibility of wounds healed by isolating autologous HFSCs from the patient.
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Affiliation(s)
- Abazar Yari
- Department of Anatomy, School of Medicine, Alborz University of Medical Sciences, Karaj, Iran.,Dietary Supplements and Probiotics Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Fatemeh Heidari
- Cellular and Molecular Research Center, Department of Anatomy, Faculty of Medicine, Qom University of Medical Sciences, Qom, Iran
| | - Sanaz Joulai Veijouye
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Maliheh Nobakht
- Department of Anatomy, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Antimicrobial Resistance Research Center, Institute of Immunology and Infectious Infectious Diseases, Iran.,Physiology Research Center, Iran, University of Medical Sciences, Tehran, Iran
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Babakhani A, Hashemi P, Mohajer Ansari J, Ramhormozi P, Nobakht M. In vitro Differentiation of Hair Follicle Stem Cell into Keratinocyte by Simvastatin. IRANIAN BIOMEDICAL JOURNAL 2019; 23:404-11. [PMID: 31104417 PMCID: PMC6800537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 11/19/2018] [Accepted: 12/05/2018] [Indexed: 10/15/2023]
Abstract
Background Hair follicle stem cells (HFSCs) located in the bulge area has shown to be highly proliferative and could differentiate into neurons, glia, smooth muscle cell, and melanocytes in vitro. Simvastatin is an HMG-CoA reductase inhibitor that exerts pleiotropic effects beyond simple low-density lipoprotein lowering and has a similar impact on the differentiation of bone marrow stromal cells and peripheral blood mononuclear cells. The present study examined the hypothesis that the application of simvastatin would induce the HFSCs differentiation into keratinocyte. Methods The bulge of the hair follicle was anatomized, and HFSCs were cultivated. The flow cytometry and immunocytochemical staining for detection of nestin, CD34, and Kr15 biomarkers were performed before differentiation. In order to hasten the HFSCs differentiation to keratinocyte, HFSCs were treated with 1 µM, 2 µM, and 5 µM of simvastatin daily for a week. After differentiation, the flow cytometry and immunocytochemical staining were performed with Kr15 and Kr10 biomarkers, and the MTT assay was carried out as an index of cell viability and cell growth. Results Our results showed that bulge of HFSCs were nestin and CD34 positive and Kr15 negative. Simvastatin significantly increased the viability of HFSCs (p < 0.05) at the concentration of 5 µM. In addition, the percentages of keratinocyte-differentiated cells treated with 5 µM of simvastatin showed a significant increase compared to all other treated groups (p < 0.05). Conclusion Our findings demonstrate that 5 µM of simvastatin could induce HFSCs differentiation into keratinocyte.
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Affiliation(s)
- Azar Babakhani
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Paria Hashemi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Javad Mohajer Ansari
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Parisa Ramhormozi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Maliheh Nobakht
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Antimicrobial Resistance Research Center, Institute of Immunology and Infectious Disease, Iran University of Medical Sciences, Tehran, Iran
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Babakhani A, Nobakht M, Pazoki Torodi H, Dahmardehei M, Hashemi P, Mohajer Ansari J, Ramhormozi P, Yari A, Heidari F. Effects of Hair Follicle Stem Cells on Partial-Thickness Burn Wound Healing and Tensile Strength. IRANIAN BIOMEDICAL JOURNAL 2019. [PMID: 31677605 PMCID: PMC6984715 DOI: 10.29252/ibj.24.2.99] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Background: The recent improvements in wound healing have led to new strategies in regenerative medicine. Burn wound healing is an important issue in skin regeneration and has multiple indications for stem cell therapy. HFSCs are a highly promising source of stem cells for healing use, as these cells are accessible, active and pluripotent adult stem cells. Methods: HFSCs of the rat whisker were isolated, cultured, and labeled with DiI. Flow cytometry method was used to detect special markers of HFSCs. Deep partial-thickness burn wound was created, and labeled HFSCs were injected around the wound bed. Wound closure was recorded via digital photographs. The inflicted rats were sacrificed at 3, 7, or 14 days post burn and used for subsequent histological and tensiometry analysis. Results: Our results indicated that HFSCs were positive for Nestin and CD34 markers, but negative for Kr15. Morphological and histological photographs revealed that wound closure rate was accelerated in stem cell-treated group compared with other groups. In addition, faster re-epithelialization and collagen deposition were observed. The immunohistochemical analysis suggested that CD31 expression and vascular density enhanced in the stem cell-treated group. Further, tissue tensile strength increased in HFSCs-treated rats in comparison to the control group. Conclusion: The present study demonstrates that HFSCs could accelerate burn wound healing as well as tensile strength in rats.
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Affiliation(s)
- Azar Babakhani
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Malihe Nobakht
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Hamidreza Pazoki Torodi
- Physiology Research Center, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Paria Hashemi
- Physiology Research Center, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Javad Mohajer Ansari
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Parisa Ramhormozi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Abazar Yari
- Department of Anatomy, Faculty of Medicine, Alborz University of Medical Sciences, Karaj, Iran
| | - Fatemeh Heidari
- Department of Anatomy, Faculty of Medicine, Qom University of Medical Sciences, Qom, Iran
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Cai B, Zheng Y, Yan J, Wang J, Liu X, Yin G. BMP2-mediated PTEN enhancement promotes differentiation of hair follicle stem cells by inducing autophagy. Exp Cell Res 2019; 385:111647. [PMID: 31562859 DOI: 10.1016/j.yexcr.2019.111647] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 09/09/2019] [Accepted: 09/24/2019] [Indexed: 12/13/2022]
Abstract
The proliferation and differentiation of hair follicle stem cells (HFSCs) is regulated by several signaling pathways, including BMP and PTEN. Therefore, this study intended to clarify the potential effects of two such regulators, BMP2 and PTEN, on HFSC differentiation. HFSCs were subjected to BMP2, noggin (BMP2 ligand inhibitor), rapamycin (Rapa, autophagy inducer), 3-methyladenine (3-MA, autophagy inhibitor), or shRNA against PTEN. The differentiation of HFSCs was evaluated using oil red O staining and autophagy was assessed using the transmission electron microscope. Then expression of epidermal differentiation marker (K10 and involucrin), adipogenic markers (PPAR-γ2, aP2, perilipin2, and Adipoq), keratinocyte-specific marker (K15), proliferation-related markers (PCNA and Ki67) and autophagy-related factors (Atg5, Atg7, Atg12, Beclin-1 and LC3-II/LC3-I) was examined by RT-qPCR and Western blot analysis. Next, HFSCs were treated with 3-MA, or shRNA against Atg5 or Atg7 to verify the effect of autophagy on differentiation of BMP2-treated HFSCs. Finally, the effect of BMP2 on HFSC differentiation was verified by a mouse wound model. HFSCs overexpressing BMP2 exhibited elevated expression of epidermal differentiation marker, adipogenic markers and autophagy-related factors but inhibited expression of keratinocyte-specific marker and proliferation-related markers. Furthermore, we found that PTEN promoted the differentiation of BMP2-treated HFSCs by inducing autophagy. In vivo experiments further confirmed the roles of BMP2/PTEN on differentiation of HFSCs. Taken together, BMP2 up-regulated PTEN and consequently induced autophagy to facilitate HFSC differentiation.
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Affiliation(s)
- Bingjie Cai
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China
| | - Yunpeng Zheng
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China
| | - Jiadi Yan
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China
| | - Junmin Wang
- College of Basic Medical Sciences, Zhengzhou University, Zhengzhou, 450001, PR China
| | - Xiaojun Liu
- Henan Province Medical Instrument Testing Institute, Zhengzhou, 450018, PR China
| | - Guangwen Yin
- Department of Dermatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, PR China.
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Li X, Wu Y, Xie F, Zhang F, Zhang S, Zhou J, Chen D, Liu A. miR‑339‑5p negatively regulates loureirin A‑induced hair follicle stem cell differentiation by targeting DLX5. Mol Med Rep 2018; 18:1279-1286. [PMID: 29901112 PMCID: PMC6072140 DOI: 10.3892/mmr.2018.9110] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 03/02/2018] [Indexed: 01/08/2023] Open
Abstract
Our previous study indicated that loureirin A induces hair follicle stem cell (HFSC) differentiation through Wnt/β-catenin signaling pathway activation. However, if and how microRNAs (miRNAs/miRs) modulate loureirin A-induced differentiation remains to be elucidated. In the present study, HFSCs were separated from the vibrissae of rats and identified by CD34 and keratin, type 1 cytoskeletal (K)15 expression. Microarray-based miRNA profiling analysis revealed that miR-339-5p was downregulated in loureirin A-induced HFSC differentiation. miR-339-5p overexpression by transfection with miR-339-5p mimics markedly inhibited the expression of K10 and involucrin, which are markers of epidermal differentiation, whereas inhibition of miR-339-5p by miR-339-5p inhibitor transfection promoted the expression of K10 and involucrin. These results suggest that miR-339-5p is a negative regulator of HFSC differentiation following induction by loureirin A. These findings were confirmed by a luciferase assay. Homeobox protein DLX-5 (DLX5) was identified as a direct target of miR-339-5p. Furthermore, it was demonstrated that miR-339-5p inhibited DLX5. Overexpression of miR-339-5p by mimic transfection significantly inhibited protein Wnt-3a (Wnt3a) expression, while inhibition of miR-339-5p by inhibitor transfection significantly increased the expression of Wnt3a. Furthermore, small interfering RNA targeting DLX5 was transfected into HFSCs, and western blot analysis revealed that Wnt3a, involucrin and K10 expression was significantly downregulated. Taken together, these results suggest that miR-339-5p negatively regulated loureirin A-induced HFSC differentiation by targeting DLX5, resulting in Wnt/β-catenin signaling pathway inhibition. This may provide a possible therapeutic target for skin repair and regeneration.
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Affiliation(s)
- Xiangjun Li
- Department of Histology and Embryology, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Yuqiong Wu
- Department of Histology and Embryology, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Fangfang Xie
- Department of Histology and Embryology, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Fengxue Zhang
- The Research Centre of Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Saixia Zhang
- The Research Centre of Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Jianhong Zhou
- The Research Centre of Integrative Medicine, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Dongfeng Chen
- Department of Anatomy, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
| | - Aijun Liu
- Department of Histology and Embryology, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, P.R. China
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Walton EL. Food for thought: Autophagy researcher wins 2016 Nobel Prize in Physiology or Medicine. Biomed J 2017; 40:1-4. [PMID: 28411878 PMCID: PMC6138588 DOI: 10.1016/j.bj.2017.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2017] [Accepted: 03/14/2017] [Indexed: 01/22/2023] Open
Abstract
This special edition of the Biomedical Journal honors the awarding of the 2016 Nobel Prize in Physiology and Medicine to Yoshinori Ohsumi for his pioneering work on elucidating the mechanisms of autophagy. We also highlight a study reporting a new and simple animal model for a widespread surgical technique called interbody spinal fusion. Finally, this issue also includes two articles reporting protocols that could produce specific cell types for cell based therapies.
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Affiliation(s)
- Emma Louise Walton
- Staff Writer at the Biomedical Journal, 56 Dronningens Gate, 7012 Trondheim, Norway.
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