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Chen Y, Fu D, Wu X, Zhang Y, Chen Y, Zhou Y, Lu M, Liu Q, Huang J. Biomimetic biphasic microsphere preparation based on the thermodynamic incompatibility of glycosaminoglycan with gelatin methacrylate for hair regeneration. Int J Biol Macromol 2024; 261:129934. [PMID: 38311145 DOI: 10.1016/j.ijbiomac.2024.129934] [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: 12/13/2023] [Revised: 01/28/2024] [Accepted: 01/31/2024] [Indexed: 02/08/2024]
Abstract
Hair follicle (HF) tissue engineering is promising for hair loss treatment especially for androgenetic alopecia. Physiologically, the initiation of HF morphogenesis relies on the interactions between hair germ mesenchymal and epithelial layers. To simulate this intricate process, in this study, a co-flowing microfluidic-assisted technology was developed to produce dual aqueous microdroplets capturing growth factors and double-layer cells for subsequent use in hair regeneration. Microspheres, called G/HAD, were generated using glycosaminoglycan-based photo-crosslinkable biological macromolecule (HAD) shells and gelatin methacrylate (GelMA) cores to enclose mesenchymal cells (MSCs) and mouse epidermal cells (EPCs). The findings indicated that the glycosaminoglycan-based HAD shells display thermodynamic incompatibility with GelMA cores, resulting in the aqueous phase separation of G/HAD cell spheres. These G/HAD microspheres exhibited favorable characteristics, including sustained growth factor release and wet adhesion properties. After transplantation into the dorsal skin of BALB/c nude mice, G/HAD cell microspheres efficiently induced the regeneration of HFs. This approach enables the mass production of approximately 250 dual-layer microspheres per minute. Thus, this dual-layer microsphere fabrication method holds great potential in improving current hair regeneration techniques and can also be combined with other tissue engineering techniques for various regenerative purposes.
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Affiliation(s)
- Yangpeng Chen
- Department of Plastic and Aesthetic Surgery, Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Danlan Fu
- Department of Plastic and Aesthetic Surgery, Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Xiaoqi Wu
- Department of Urology and Andrology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200001, China
| | - Yufan Zhang
- Department of Plastic and Aesthetic Surgery, Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Yuxin Chen
- Department of Plastic and Aesthetic Surgery, Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Yi Zhou
- Department of Plastic and Aesthetic Surgery, Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Mujun Lu
- Department of Urology and Andrology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200001, China.
| | - Qifa Liu
- Department of Plastic and Aesthetic Surgery, Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China.
| | - Junfei Huang
- Department of Plastic and Aesthetic Surgery, Department of Hematology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China.
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Li YY, Ji SF, Fu XB, Jiang YF, Sun XY. Biomaterial-based mechanical regulation facilitates scarless wound healing with functional skin appendage regeneration. Mil Med Res 2024; 11:13. [PMID: 38369464 PMCID: PMC10874556 DOI: 10.1186/s40779-024-00519-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 01/30/2024] [Indexed: 02/20/2024] Open
Abstract
Scar formation resulting from burns or severe trauma can significantly compromise the structural integrity of skin and lead to permanent loss of skin appendages, ultimately impairing its normal physiological function. Accumulating evidence underscores the potential of targeted modulation of mechanical cues to enhance skin regeneration, promoting scarless repair by influencing the extracellular microenvironment and driving the phenotypic transitions. The field of skin repair and skin appendage regeneration has witnessed remarkable advancements in the utilization of biomaterials with distinct physical properties. However, a comprehensive understanding of the underlying mechanisms remains somewhat elusive, limiting the broader application of these innovations. In this review, we present two promising biomaterial-based mechanical approaches aimed at bolstering the regenerative capacity of compromised skin. The first approach involves leveraging biomaterials with specific biophysical properties to create an optimal scarless environment that supports cellular activities essential for regeneration. The second approach centers on harnessing mechanical forces exerted by biomaterials to enhance cellular plasticity, facilitating efficient cellular reprogramming and, consequently, promoting the regeneration of skin appendages. In summary, the manipulation of mechanical cues using biomaterial-based strategies holds significant promise as a supplementary approach for achieving scarless wound healing, coupled with the restoration of multiple skin appendage functions.
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Affiliation(s)
- Ying-Ying Li
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, China
| | - Shuai-Fei Ji
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, China
| | - Xiao-Bing Fu
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, China.
| | - Yu-Feng Jiang
- Department of Tissue Regeneration and Wound Repair, Chinese PLA General Hospital, Beijing, 100853, China.
| | - Xiao-Yan Sun
- Research Center for Tissue Repair and Regeneration Affiliated to the Medical Innovation Research Department, Chinese PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048, China.
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3
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Abreu CM, Lago MEL, Pires J, Reis RL, da Silva LP, Marques AP. Gellan gum-based hydrogels support the recreation of the dermal papilla microenvironment. BIOMATERIALS ADVANCES 2023; 150:213437. [PMID: 37116455 DOI: 10.1016/j.bioadv.2023.213437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 03/10/2023] [Accepted: 04/17/2023] [Indexed: 04/30/2023]
Abstract
The dermal papilla (DP), a specialized compartment within the hair follicle, regulates hair growth. However, human DP cells rapidly lose their inductivity in 2D-culture given the loss of positional and microenvironmental cues. Spheroids have been capable of recreating the 3D intercellular organization of DP cells, however, DP cell-matrix interactions are poorly represented. Considering the specific nature of the DP's extracellular matrix (ECM), we functionalized gellan gum (GG) with collagen IV-(HepIII) or fibronectin-(cRGDfC) derived peptide sequences to generate a 3D environment in which the phenotype and physiological functions of DP cells are restored. We further tuned the stiffness of the microenvironments by varying GG amount. Biomimetic peptides in stiffer hydrogels promoted the adhesion of DP cells, while each peptide and amount of polymer independently influenced the type and quantity of ECM proteins deposited. Furthermore, although peptides did not seem to have an influence, stiffer hydrogels improved the inductive capacity of DP cells after short term culture. Interestingly, independently of the peptide, these hydrogels supported the recapitulation of basic hair morphogenesis-like events when incorporated in an organotypic human skin in vitro model. Our work demonstrates that tailored GG hydrogels support the generation of a microenvironment in which both cell-ECM and cell-cell interactions positively influence DP cells towards the creation of an artificial DP.
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Affiliation(s)
- Carla M Abreu
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Manuela E L Lago
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Joana Pires
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Lucília P da Silva
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Alexandra P Marques
- 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
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4
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Abstract
Pathological hair loss (also known as alopecia) and shortage of hair follicle (HF) donors have posed an urgent requirement for HF regeneration. With the revelation of mechanisms in tissue engineering, the proliferation of HFs in vitro has achieved more promising trust for the treatments of alopecia and other skin impairments. Theoretically, HF organoids have great potential to develop into native HFs and attachments such as sweat glands after transplantation. However, since the rich extracellular matrix (ECM) deficiency, the induction characteristics of skin-derived cells gradually fade away along with their trichogenic capacity after continuous cell passaging in vitro. Therefore, ECM-mimicking support is an essential prelude before HF transplantation is implemented. This review summarizes the status of providing various epidermal and dermal cells with a three-dimensional (3D) scaffold to support the cell homeostasis and better mimic in vivo environments for the sake of HF regeneration. HF-relevant cells including dermal papilla cells (DPCs), hair follicle stem cells (HFSCs), and mesenchymal stem cells (MSCs) are able to be induced to form HF organoids in the vitro culture system. The niche microenvironment simulated by different forms of biomaterial scaffold can offer the cells a network of ordered growth environment to alleviate inductivity loss and promote the expression of functional proteins. The scaffolds often play the role of ECM substrates and bring about epithelial-mesenchymal interaction (EMI) through coculture to ensure the functional preservation of HF cells during in vitro passage. Functional HF organoids can be formed either before or after transplantation into the dermis layer. Here, we review and emphasize the importance of 3D culture in HF regeneration in vitro. Finally, the latest progress in treatment trials and critical analysis of the properties and benefits of different emerging biomaterials for HF regeneration along with the main challenges and prospects of HF regenerative approaches are discussed.
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Affiliation(s)
- Wei Zheng
- College of Food Science & Technology, Shanghai Ocean University, Shanghai 201306, P.R. China
| | - Chang-Hua Xu
- College of Food Science & Technology, Shanghai Ocean University, Shanghai 201306, P.R. China
- Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China
- National R&D Branch Center for Freshwater Aquatic Products Processing Technology (Shanghai), Shanghai 201306, China
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5
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Huang J, Fu D, Wu X, Li Y, Zheng B, Liu Z, Zhou Y, Gan Y, Miao Y, Hu Z. One-step generation of core-shell biomimetic microspheres encapsulating double-layer cells using microfluidics for hair regeneration. Biofabrication 2023; 15. [PMID: 36608335 DOI: 10.1088/1758-5090/acb107] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 01/06/2023] [Indexed: 01/07/2023]
Abstract
Tissue engineering of hair follicles (HFs) has enormous potential in the treatment of hair loss. HF morphogenesis is triggered by reciprocal interactions between HF germ epithelial and mesenchymal layers. Here, a microfluidic-assisted technology is developed for the preparation of double aqueous microdroplets that entrap double-layer cells and growth factors to ultimately be used for hair regeneration. Mouse mesenchymal cells (MSCs) and epidermal cells (EPCs) are encapsulated in gelatin methacrylate (GelMA) cores and photo-curable catechol-grafted hyaluronic acid (HAD) shells to fabricate GelMA-MSC/HAD-EPC (G/HAD) microspheres. The findings show that the G/HAD microspheres exhibit ultrafast gelation, aqueous phase separation, superior biocompatibility, and favorable wet adhesion properties. G/HAD microspheres can also support cell proliferation and sustain growth factor release. These composite cell microspheres are capable of efficient HF generation upon transplantation into the dorsal dermis of nude mice. This finding facilitates the large-scale preparation of approximately 80 double-layer cell spheres per min. This simple double-layer cell sphere preparation approach is a promising strategy for improving current hair-regenerative medicine techniques and can potentially be applied along with other organoid techniques for extended applications.
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Affiliation(s)
- Junfei Huang
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Danlan Fu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Xiaoqi Wu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Yue Li
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - BoWen Zheng
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Zhen Liu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Yi Zhou
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Yuyang Gan
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Yong Miao
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
| | - Zhiqi Hu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, People's Republic of China
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6
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Andl T, Zhou L, Zhang Y. The dermal papilla dilemma and potential breakthroughs in bioengineering hair follicles. Cell Tissue Res 2023; 391:221-233. [PMID: 36562864 PMCID: PMC9898212 DOI: 10.1007/s00441-022-03730-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
The generation and growing of de novo hair follicles is the most daring hair replacement approach to treat alopecia. This approach has been explored at least since the 1960s without major success. Latest in the 1980s, the realization that the mesenchymal compartment of hair follicles, the dermal papilla (DP), is the crucial signaling center and element required for fulfilling this vision of hair follicle engineering, propelled research into the fibroblasts that occupy the DP. However, working with DP fibroblasts has been stubbornly frustrating. Decades of work in understanding the nature of DP fibroblasts in vitro and in vivo have led to the appreciation that hair follicle biology is complex, and the dermal papilla is an enigma. Functional DP fibroblasts tend to aggregate in 2D culture, while impaired DP cells do not. This fact has stimulated recent approaches to overcome the hurdles to DP cell culture by mimicking their natural habitat, such as growing DP fibroblasts in three dimensions (3D) by their self-aggregation, adopting 3D matrix scaffold, or bioprinting 3D microstructures. Furthermore, including keratinocytes in the mix to form hair follicle-like composite structures has been explored but remains a far cry from a useful and affordable method to generate human hair follicles in sufficient quantity and quality in a practical time frame for patients. This suggests that the current strategies may have reached their limitations in achieving successful hair follicle bioengineering for clinical applications. Novel approaches are required to overcome these barriers, such as focusing on embryonic cell types and processes in combination with emerging techniques.
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Affiliation(s)
- Thomas Andl
- Burnett School of Biological Sciences, University of Central Florida, Orlando, FL, 32816, USA
| | - Linli Zhou
- Division of Pharmaceutical Science, College of Pharmacy, University of Cincinnati, Cincinnati, OH, 45267, USA
| | - Yuhang Zhang
- Division of Pharmaceutical Science, College of Pharmacy, University of Cincinnati, Cincinnati, OH, 45267, USA.
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7
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Hosseini M, Koehler KR, Shafiee A. Biofabrication of Human Skin with Its Appendages. Adv Healthc Mater 2022; 11:e2201626. [PMID: 36063498 DOI: 10.1002/adhm.202201626] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/30/2022] [Indexed: 01/28/2023]
Abstract
Much effort has been made to generate human skin organ in the laboratory. Yet, the current models are limited due to the lack of many critical biological and structural features of the skin. Importantly, these in vitro models lack appendages and fail to recapitulate the whole human skin construction. Thus, engineering a human skin with the capacity to generate all components, including appendages, is a major challenge. This review intends to provide an update on the recent efforts underway to regenerate appendage-bearing skin organs based on scaffold-free and scaffold-based bioengineering approaches. Although the mouse skin equivalents containing hair follicles, sebaceous glands, and sweat glands have been established in vitro, there has been limited success in humans. A combination of biofabricated matrices and cell aggregates, such as organoids, can pave the way for generating skin substitutes with human-like biological, structural, and physical features. Accordingly, the formation of human skin organoids and reconstruction of vascularized skin equipped with immune cells prompt calls for more scientific research. The generation of appendage-bearing skin substitutes can be applied in practice for wound healing, hair restoration, and scar treatment.
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Affiliation(s)
- Motaharesadat Hosseini
- School of Mechanical, Medical and Process Engineering, Faculty of Engineering, Queensland University of Technology, Brisbane, QLD, 4059, Australia.,ARC Industrial Transformation Training Centre for Multiscale 3D Imaging, Modelling and Manufacturing (M3D), Queensland University of Technology, Brisbane, QLD, 4059, Australia
| | - Karl R Koehler
- Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA, 02115, USA.,Department of Otolaryngology, Boston Children's Hospital, Boston, MA, 02115, USA
| | - Abbas Shafiee
- Herston Biofabrication Institute, Metro North Hospital and Health Service, Brisbane, QLD, 4029, Australia.,Royal Brisbane and Women's Hospital, Metro North Hospital and Health Service, Brisbane, QLD, 4029, Australia.,The University of Queensland Diamantina Institute, Translational Research Institute, The University of Queensland, Brisbane, QLD, 4102, Australia
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Kim MJ, Seong KY, Kim DS, Jeong JS, Kim SY, Lee S, Yang SY, An BS. Minoxidil-loaded hyaluronic acid dissolving microneedles to alleviate hair loss in an alopecia animal model. Acta Biomater 2022; 143:189-202. [PMID: 35202857 DOI: 10.1016/j.actbio.2022.02.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 12/18/2022]
Abstract
Alopecia is defined as hair loss in a part of the head due to various causes, such as drugs, stress and autoimmune disorders. Various therapeutic agents have been suggested depending on the cause of the condition and patient sex, and age. Minoxidil (MXD) is commonly used topically to treat alopecia, but its low absorption rate limits widespread use. To overcome the low absorption, we suggest microneedles (MNs) as controlled drug delivery systems that release MXD. We used hyaluronic acid (HA) to construct MN, as it is biocompatible and safe. We examined the effect of HA on the hair dermal papilla (HDP) cells that control the development of hair follicles. HA enhanced proliferation, migration, and aggregation of HDP cell by increasing cell-cell adhesion and decreasing cell substratum. These effects were mediated by the cluster of differentiation (CD)-44 and phosphorylation of serine‑threonine kinase (Akt). In chemotherapy-induced alopecia mice, topical application of HA tended to decrease chemotherapy-induced hair loss. Although the amount of MXD administered by HA-MNs was 10% of topical treatment, the MXD-containing HA-MNs (MXD-HA-MNs) showed better effects on the growth of hair than topical application of MXD. In summary, our results demonstrated that HA reduces hair loss in alopecia mice, and that delivery of MXD and HA using MXD-HA-MNs maximizes therapeutic effects and minimize the side effects of MXD for the treatment of alopecia. STATEMENT OF SIGNIFICANCE: (1) Significance, This work reports a new approach for treatment of alopecia using a dissolving microneedle (MN) prepared with hyaluronic acid (HA). The HA provided a better environment for cellular functions in the hair dermal papilla cells. The HA-MNs containing minoxidil (MXD) exhibited a significant reduction of hair loss, although amount of MXD contained in them was only 10% of topically applied MXD., (2) Scientific impact, This is the first report demonstrating the direct anti-alopecia effects of HA administrated in a transdermal route and the feasibility of novel therapeutics using MXD-containing HA-MNs. We believe that our work will excite interdisciplinary readers of Acta Biomaterialia, those who are interested in the natural polymers, drug delivery, and alopecia.
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Liu Z, Nan H, Jiang Y, Xu T, Gong X, Hu C. Programmable Electrodeposition of Janus Alginate/Poly-L-Lysine/Alginate (APA) Microcapsules for High-Resolution Cell Patterning and Compartmentalization. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106363. [PMID: 34921585 DOI: 10.1002/smll.202106363] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/21/2021] [Indexed: 06/14/2023]
Abstract
Encapsulation of live cells in protective, semipermeable microcapsules is one of the kernel techniques for in vitro tissue regeneration, cell therapies, and pharmaceutical screening. Advanced fabrication techniques for cell encapsulation have been developed to meet different requirements. Existing cell encapsulation techniques place substantial constraints on the spatial patterning of live cells as well as on the compartmentalization of heterotypic cells. Alginate-Poly-L-lysine-alginate (APA) microcapsules that use sodium alginate as the polyanion and poly-L-lysine (PLL) as the polycation have been extensively employed for cell microencapsulation due to their excellent biocompatibility and biodegradability. This study proposes a novel method for developing programmable Janus APA microcapsules with variable shapes and sizes by using electrodeposition. By the versatile design of the microelectrode device, sequential electrodeposition is triggered to electro-address the cells at specific locations immobilized within a Janus APA microcapsule. The osteogenesis is evaluated by resembling cell compartmentalized and vascularized osteoblast-laden constructs. This technique allows precise spatial patterning of heterotypic cells inside the APA microcapsule, enabling the observation of cellular growth, interactions, and differentiation in a well-controlled chemical and mechanical microenvironment.
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Affiliation(s)
- Zeyang Liu
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
- Stem Cell Therapy and Regenerative Medicine Lab, Tsinghua-Berkeley Shenzhen Institute (TBSI), No.1001 Xueyuan Avenue, Nanshan District, Shenzhen, 518000, China
| | - Haochen Nan
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yike Jiang
- Stem Cell Therapy and Regenerative Medicine Lab, Tsinghua-Berkeley Shenzhen Institute (TBSI), No.1001 Xueyuan Avenue, Nanshan District, Shenzhen, 518000, China
| | - Tao Xu
- Stem Cell Therapy and Regenerative Medicine Lab, Tsinghua-Berkeley Shenzhen Institute (TBSI), No.1001 Xueyuan Avenue, Nanshan District, Shenzhen, 518000, China
| | - Xiaohua Gong
- School of Optometry and Vision Science Program, University of California Berkeley, 380 Minor Ln, Berkeley, San Francisco, CA, 94720, USA
| | - Chengzhi Hu
- Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems, Department of Mechanical and Energy Engineering, Southern University of Science and Technology, Shenzhen, 518055, China
- Guangdong Provincial Key Laboratory of Human-Augmentation and Rehabilitation Robotics in Universities, Southern University of Science and Technology, Shenzhen, 518055, China
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10
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Abreu CM, Reis RL, Marques AP. Dermal papilla cells and melanocytes response to physiological oxygen levels depends on their interactions. Cell Prolif 2021; 54:e13013. [PMID: 34101928 PMCID: PMC8249782 DOI: 10.1111/cpr.13013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 01/15/2021] [Accepted: 02/07/2021] [Indexed: 12/19/2022] Open
Abstract
Background Human dermal papilla (DP) cells and melanocytes (hMel) are central players in hair growth and pigmentation, respectively. In hair follicles (HFs), oxygen (O2) levels average 5%, being coupled with the production of reactive oxygen species (ROS), necessary to promote hair growth. Materials and Methods DP cell and hMel proliferation and phenotype were studied under physiological (5%O2, physoxia) or atmospheric (21%O2, normoxia) oxygen levels. hMel‐DP cells interactions were studied in indirect co‐culture or by directly co‐culturing hMel with DP spheroids, to test whether their interaction affected the response to physoxia. Results Physoxia decreased DP cell senescence and improved their secretome and phenotype, as well as hMel proliferation, migration, and tyrosinase activity. In indirect co‐cultures, physoxia affected DP cells’ alkaline phosphatase (ALP) activity but their signalling did not influence hMel proliferation or tyrosinase activity. Additionally, ROS production was higher than in monocultures but a direct correlation between ROS generation and ALP activity in DP cells was not observed. In the 3D aggregates, where hMel are organized around the DP, both hMel tyrosinase and DP cells ALP activities, their main functional indicators, plus ROS production were higher in physoxia than normoxia. Conclusions Overall, we showed that the response to physoxia differs according to hMel‐DP cells interactions and that the microenvironment recreated when in direct contact favours their functions, which can be relevant for hair regeneration purposes.
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Affiliation(s)
- Carla M Abreu
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Guimarães, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
| | - Rui L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Guimarães, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
| | - Alexandra P Marques
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, Guimarães, Portugal.,ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
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11
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Abreu CM, Cerqueira MT, Pirraco RP, Gasperini L, Reis RL, Marques AP. Rescuing key native traits in cultured dermal papilla cells for human hair regeneration. J Adv Res 2021; 30:103-112. [PMID: 34026290 PMCID: PMC8132206 DOI: 10.1016/j.jare.2020.10.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/22/2020] [Accepted: 10/29/2020] [Indexed: 11/30/2022] Open
Abstract
Introduction The dermal papilla (DP) represents the major regulatory entity within the hair follicle (HF), inducing hair formation and growth through reciprocal interactions with epithelial cells. However, human DP cells rapidly lose their hair inductive ability when cultured in an epithelium-deficient environment. Objectives To determine if the conditioned medium collected from interfollicular keratinocytes (KCs-CM) is capable of improving DP cell native properties and inductive phenotype. Methods DP cells were cultured with KCs-CM both in 2D and 3D culture conditions (spheroids). Further, the hair-inductive capacity of DP cells precultured with KCs-CM was tested in a hair reconstitution assay, after co-grafting with human keratinocytes in nude mice. Results We demonstrate that KCs-CM contributes to restore the inductivity of cultured human DP cells in a more effective mode than the conventional 3D-cultures. This is supported by the higher active alkaline phosphatase (ALP) levels in DP cells, the improved self-aggregative capacity and the reduced expression of α-SMA and the V1-isoform of versican. Moreover, DP cells cultured with KCs-CM displayed a secretome profile (VEGF, BMP2, TGF- β1, IL-6) that matches the one observed during anagen. KCs-CM also enhanced DP cell proliferation, while preventing cells to undergo morphological changes characteristic of high passage cells. In opposition, the amount of collagenous and non-collagenous proteins deposited by DP cells was lower in the presence of KCs-CM. The improvement in ALP activity was maintained in 3D spheroidal cultures, even after KCs-CM retrieval, being superior to the effect of the gold-standard culture conditions. Moreover, DP cells cultured with KCs-CM and grafted with human keratinocytes supported the formation of HF- and sebaceous gland-like structures in mice. Conclusion The proposed strategy encourages future cell-based strategies for HF regeneration not only in the context of hair-associated disorders, but also in the management of wounds to aid in restoring critical skin regulatory appendages.
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Affiliation(s)
- Carla M. Abreu
- 3B’s Research Group – Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark 4805-017 Barco, Guimarães, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Mariana T. Cerqueira
- 3B’s Research Group – Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark 4805-017 Barco, Guimarães, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rogério P. Pirraco
- 3B’s Research Group – Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark 4805-017 Barco, Guimarães, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Luca Gasperini
- 3B’s Research Group – Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark 4805-017 Barco, Guimarães, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rui L. Reis
- 3B’s Research Group – Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, University of Minho, Avepark 4805-017 Barco, Guimarães, Portugal
- ICVS/3B’s – PT Government Associate Laboratory, Braga/Guimarães, Portugal
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12
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Detecting the Mechanism behind the Transition from Fixed Two-Dimensional Patterned Sika Deer ( Cervus nippon) Dermal Papilla Cells to Three-Dimensional Pattern. Int J Mol Sci 2021; 22:ijms22094715. [PMID: 33946876 PMCID: PMC8124381 DOI: 10.3390/ijms22094715] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 04/18/2021] [Accepted: 04/20/2021] [Indexed: 12/19/2022] Open
Abstract
The hair follicle dermal papilla is critical for hair generation and de novo regeneration. When cultured in vitro, dermal papilla cells from different species demonstrate two distinguishable growth patterns under the conventional culture condition: a self-aggregative three dimensional spheroidal (3D) cell pattern and a two dimensional (2D) monolayer cell pattern, correlating with different hair inducing properties. Whether the loss of self-aggregative behavior relates to species-specific differences or the improper culture condition remains unclear. Can the fixed 2D patterned dermal papilla cells recover the self-aggregative behavior and 3D pattern also remains undetected. Here, we successfully constructed the two growth patterns using sika deer (Cervus nippon) dermal papilla cells and proved it was the culture condition that determined the dermal papilla growth pattern. The two growth patterns could transit mutually as the culture condition was exchanged. The fixed 2D patterned sika deer dermal papilla cells could recover the self-aggregative behavior and transit back to 3D pattern, accompanied by the restoration of hair inducing capability when the culture condition was changed. In addition, the global gene expressions during the transition from 2D pattern to 3D pattern were compared to detect the potential regulating genes and pathways involved in the recovery of 3D pattern and hair inducing capability.
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13
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Tan JJ, Nguyen DV, Common JE, Wu C, Ho PC, Kang L. Investigating PEGDA and GelMA Microgel Models for Sustained 3D Heterotypic Dermal Papilla and Keratinocyte Co-Cultures. Int J Mol Sci 2021; 22:2143. [PMID: 33670029 PMCID: PMC7926670 DOI: 10.3390/ijms22042143] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 02/13/2021] [Accepted: 02/17/2021] [Indexed: 02/05/2023] Open
Abstract
Hair follicle morphogenesis is heavily dependent on reciprocal, sequential, and epithelial-mesenchymal interaction (EMI) between epidermal stem cells and the specialized cells of the underlying mesenchyme, which aggregate to form the dermal condensate (DC) and will later become the dermal papilla (DP). Similar models were developed with a co-culture of keratinocytes and DP cells. Previous studies have demonstrated that co-culture with keratinocytes maintains the in vivo characteristics of the DP. However, it is often challenging to develop three-dimensional (3D) DP and keratinocyte co-culture models for long term in vitro studies, due to the poor intercellular adherence between keratinocytes. Keratinocytes exhibit exfoliative behavior, and the integrity of the DP and keratinocyte co-cultured spheroids cannot be maintained over prolonged culture. Short durations of culture are unable to sufficiently allow the differentiation and re-programming of the keratinocytes into hair follicular fate by the DP. In this study, we explored a microgel array approach fabricated with two different hydrogel systems. Using poly (ethylene glycol) diacrylate (PEGDA) and gelatin methacrylate (GelMA), we compare their effects on maintaining the integrity of the cultures and their expression of important genes responsible for hair follicle morphogenesis, namely Wnt10A, Wnt10B, and Shh, over prolonged duration. We discovered that low attachment surfaces such as PEGDA result in the exfoliation of keratinocytes and were not suitable for long-term culture. GelMA, on the hand, was able to sustain the integrity of co-cultures and showed higher expression of the morphogens overtime.
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Affiliation(s)
- Justin J.Y. Tan
- Department of Pharmacy, National University of Singapore, Lower Kent Ridge Road, 18 Science Drive 4, Singapore 117543, Singapore; (J.J.Y.T.); (P.C.L.H.)
| | - Duc-Viet Nguyen
- Nusmetics Pte. Ltd., i4 Building, 3 Research Link, Singapore 117602, Singapore;
| | - John E. Common
- Skin Research Institute of Singapore, Immunos, 8A Biomedical Grove, Singapore 138648, Singapore;
| | - Chunyong Wu
- Department of Pharmaceutical Analysis, China Pharmaceutical University, 24 Tongjiaxiang, Nanjing 210009, China;
| | - Paul C.L. Ho
- Department of Pharmacy, National University of Singapore, Lower Kent Ridge Road, 18 Science Drive 4, Singapore 117543, Singapore; (J.J.Y.T.); (P.C.L.H.)
| | - Lifeng Kang
- School of Pharmacy, University of Sydney, Pharmacy and Bank Building A15, Sydney, NSW 2006, Australia
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14
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Ji S, Zhu Z, Sun X, Fu X. Functional hair follicle regeneration: an updated review. Signal Transduct Target Ther 2021; 6:66. [PMID: 33594043 PMCID: PMC7886855 DOI: 10.1038/s41392-020-00441-y] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 09/25/2020] [Accepted: 11/03/2020] [Indexed: 01/31/2023] Open
Abstract
The hair follicle (HF) is a highly conserved sensory organ associated with the immune response against pathogens, thermoregulation, sebum production, angiogenesis, neurogenesis and wound healing. Although recent advances in lineage-tracing techniques and the ability to profile gene expression in small populations of cells have increased the understanding of how stem cells operate during hair growth and regeneration, the construction of functional follicles with cycling activity is still a great challenge for the hair research field and for translational and clinical applications. Given that hair formation and cycling rely on tightly coordinated epithelial-mesenchymal interactions, we thus review potential cell sources with HF-inducive capacities and summarize current bioengineering strategies for HF regeneration with functional restoration.
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Affiliation(s)
- Shuaifei Ji
- grid.506261.60000 0001 0706 7839Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048 People’s Republic of China
| | - Ziying Zhu
- grid.506261.60000 0001 0706 7839Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048 People’s Republic of China
| | - Xiaoyan Sun
- grid.506261.60000 0001 0706 7839Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048 People’s Republic of China
| | - Xiaobing Fu
- grid.506261.60000 0001 0706 7839Research Center for Tissue Repair and Regeneration affiliated to the Medical Innovation Research Department and 4th Medical Center, PLA General Hospital and PLA Medical College; PLA Key Laboratory of Tissue Repair and Regenerative Medicine and Beijing Key Research Laboratory of Skin Injury, Repair and Regeneration; Research Unit of Trauma Care, Tissue Repair and Regeneration, Chinese Academy of Medical Sciences, 2019RU051, Beijing, 100048 People’s Republic of China
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15
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Advanced Medical Therapies in the Management of Non-Scarring Alopecia: Areata and Androgenic Alopecia. Int J Mol Sci 2020; 21:ijms21218390. [PMID: 33182308 PMCID: PMC7664905 DOI: 10.3390/ijms21218390] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/02/2020] [Accepted: 11/06/2020] [Indexed: 12/28/2022] Open
Abstract
Alopecia is a challenging condition for both physicians and patients. Several topical, intralesional, oral, and surgical treatments have been developed in recent decades, but some of those therapies only provide partial improvement. Advanced medical therapies are medical products based on genes, cells, and/or tissue engineering products that have properties in regenerating, repairing, or replacing human tissue. In recent years, numerous applications have been described for advanced medical therapies. With this background, those therapies may have a role in the treatment of various types of alopecia such as alopecia areata and androgenic alopecia. The aim of this review is to provide dermatologists an overview of the different advanced medical therapies that have been applied in the treatment of alopecia, by reviewing clinical and basic research studies as well as ongoing clinical trials.
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16
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Taghiabadi E, Nilforoushzadeh MA, Aghdami N. Maintaining Hair Inductivity in Human Dermal Papilla Cells: A Review of Effective Methods. Skin Pharmacol Physiol 2020; 33:280-292. [PMID: 33053562 DOI: 10.1159/000510152] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Accepted: 07/14/2020] [Indexed: 12/29/2022]
Abstract
The dermal papilla comprises mesenchymal cells in hair follicles, which play the main role in regulating hair growth. Maintaining the potential hair inductivity of dermal papilla cells (DPCs) and dermal sheath cells during cell culture is the main factor in in vitro morphogenesis and regeneration of hair follicles. Using common methods for the cultivation of human dermal papilla reduces the maintenance requirements of the inductive capacity of the dermal papilla and the expression of specific dermal papilla biomarkers. Optimizing culture conditions is therefore crucial for DPCs. Moreover, exosomes appear to play a key role in regulating the hair follicle growth through a paracrine mechanism and provide a functional method for treating hair loss. The present review investigated the biology of DPCs, the molecular and cell signaling mechanisms contributing to hair follicle growth in humans, the properties of the dermal papilla, and the effective techniques in maintaining hair inductivity in DPC cultures in humans as well as hair follicle bioengineering.
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Affiliation(s)
- Ehsan Taghiabadi
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Nasser Aghdami
- Department of Regenerative medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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17
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Li YCE, Wang JH, Wang YH, Shao HJ, Young LC, Young TH. PCL-Blended Chitosan Substrates for Patterning the Heterotypic Cell Distribution in an Epithelial and Mesenchymal Coculture System. ACS Biomater Sci Eng 2020; 6:4225-4235. [PMID: 33463335 DOI: 10.1021/acsbiomaterials.0c00304] [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: 02/08/2023]
Abstract
Cell-cell and cell-substrate interactions in coculture systems are very important to the context of biomaterial scaffolds for tissue engineering applications. Understanding the cellular interactions and distribution of epithelial-mesenchymal microtissues on the controllable biomaterial surfaces is useful to study the organoid applications. The aim of the present study is to investigate the effects of chitosan/poly(ε-caprolactone) (PCL)-blended biomaterials on the distribution and spheroid formation of HaCaT and Hs68 cells in a coculture system. In this study, we demonstrated that the cocultured cells gradually changed their pattern from core/shell spheroid to monolayered morphology as the PCL content increased in the blended substrates. This indicates that the chitosan/PCL-blended substrates are able to regulate cell-substrate and cell-cell interactions to modify the distribution of HaCaT and Hs68 cells similar to various mesenchymal-epithelial organizations in biological tissues. Moreover, we also developed a two-dimension lattice model to elaborate the dependence of cell spheroid development on complex cell-cell interactions. This information may be helpful to develop appropriate biomaterials with appropriate properties to the applications of engineered epithelial-mesenchymal organoids.
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Affiliation(s)
- Yi-Chen Ethan Li
- Department of Chemical Engineering, Feng Chia University, No. 100 Wenhwa Road, Seatwen District, Taichung 407, Taiwan
| | - Jyh-Horng Wang
- Department of Orthopedic Surgery, National Taiwan University Hospital, No.7, Chung Shan S. Road, Zhongzheng District, Taipei 100, Taiwan
| | - Yu-Hsin Wang
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No1, Sec. 1, Jen-Ai Road, Zhongzheng District, Taipei 100, Taiwan
| | - Hung-Jen Shao
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No1, Sec. 1, Jen-Ai Road, Zhongzheng District, Taipei 100, Taiwan
| | - Lu-Chieh Young
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No1, Sec. 1, Jen-Ai Road, Zhongzheng District, Taipei 100, Taiwan
| | - Tai-Horng Young
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University, No1, Sec. 1, Jen-Ai Road, Zhongzheng District, Taipei 100, Taiwan
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18
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Betriu N, Jarrosson-Moral C, Semino CE. Culture and Differentiation of Human Hair Follicle Dermal Papilla Cells in a Soft 3D Self-Assembling Peptide Scaffold. Biomolecules 2020; 10:biom10050684. [PMID: 32354097 PMCID: PMC7277435 DOI: 10.3390/biom10050684] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 04/19/2020] [Accepted: 04/24/2020] [Indexed: 01/28/2023] Open
Abstract
Hair follicle dermal papilla cells (HFDPC) are a specialized cell population located in the bulge of the hair follicle with unique characteristics such as aggregative behavior and the ability to induce new hair follicle formation. However, when expanded in conventional 2D monolayer culture, their hair inductive potency is rapidly lost. Different 3D culture techniques, including cell spheroid formation, have been described to restore, at least partially, their original phenotype, and therefore, their hair inductive ability once transplanted into a recipient skin. Moreover, hair follicle dermal papilla cells have been shown to differentiate into all mesenchymal lineages, but their differentiation potential has only been tested in 2D cultures. In the present work, we have cultured HFDPC in the 3D self-assembling peptide scaffold RAD16-I to test two different tissue engineering scenarios: restoration of HFDPC original phenotype after cell expansion and osteogenic and adipogenic differentiation. Experimental results showed that the 3D environment provided by RAD16-I allowed the restoration of HFDPC signature markers such as alkaline phosphatase, versican and corin. Moreover, RAD16-I supported, in the presence of chemical inductors, three-dimensional osteogenic and adipogenic differentiation. Altogether, this study suggests a potential 3D culture platform based on RAD16-I suitable for the culture, original phenotype recovery and differentiation of HFDPC.
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19
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Norris EG, Dalecki D, Hocking DC. Acoustic Fabrication of Collagen-Fibronectin Composite Gels Accelerates Microtissue Formation. APPLIED SCIENCES (BASEL, SWITZERLAND) 2020; 10:2907. [PMID: 33604063 PMCID: PMC7889010 DOI: 10.3390/app10082907] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Ultrasound can influence biological systems through several distinct acoustic mechanisms that can be manipulated by varying reaction conditions and acoustic exposure parameters. We recently reported a new ultrasound-based fabrication technology that exploits the ability of ultrasound to generate localized mechanical forces and thermal effects to control collagen fiber microstructure non-invasively. Exposing solutions of type I collagen to ultrasound during the period of microfibril assembly produced changes in collagen fiber structure and alignment, and increased the biological activity of the resultant collagen hydrogels. In the extracellular matrix, interactions between fibronectin and collagen fibrils influence the biological activity of both proteins. Thus, in the present study, we examined how addition of fibronectin to collagen solutions prior to ultrasound exposure affects protein organization and the biological activity of the composite hydrogels. Results indicate that ultrasound can alter the distribution of fibronectin within 3D hydrogels via thermal and non-thermal mechanisms to produce composite hydrogels that support accelerated microtissue formation. The use of acoustic energy to drive changes in protein conformation to functionalize biomaterials has much potential as a unique, non-invasive technology for tissue engineering and regenerative medicine.
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Affiliation(s)
- Emma G. Norris
- Department of Pharmacology and Physiology, University of Rochester, Rochester, NY 14642, USA
| | - Diane Dalecki
- Department of Biomedical Engineering, University of Rochester, Rochester, NY 14627, USA
| | - Denise C. Hocking
- Department of Pharmacology and Physiology, University of Rochester, Rochester, NY 14642, USA
- Department of Biomedical Engineering, University of Rochester, Rochester, NY 14627, USA
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20
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Bak DH, Lee E, Choi MJ, Lee BC, Kwon TR, Kim JH, Jeon ES, Oh W, Mun SK, Park BC, Na J, Kim BJ. Protective effects of human umbilical cord blood‑derived mesenchymal stem cells against dexamethasone‑induced apoptotic cell death in hair follicles. Int J Mol Med 2019; 45:556-568. [PMID: 31894311 PMCID: PMC6984800 DOI: 10.3892/ijmm.2019.4447] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 11/29/2019] [Indexed: 12/12/2022] Open
Abstract
Alopecia is a common and distressing condition, and developing new therapeutic agents to prevent hair loss is important. Human umbilical cord blood‑derived mesenchymal stem cells (hUCB‑MSCs) have been studied intensively in regenerative medicine. However, the therapeutic potential of these cells against hair loss and hair organ damage remains unclear, and the effects of hUCB‑MSC transplantation on hair loss require evaluation. The current study aimed to investigate the effects of hUCB‑MSCs on hair regression in vivo and restoration of anagen conduction on hair growth in vitro. The effects of hUCB‑MSCs were explored in mouse catagen induction models using a topical treatment of 0.1% dexamethasone to induce hair regression. Dexamethasone was also used to simulate a stress environment in vitro. The results demonstrated that hUCB‑MSCs significantly prevented hair regression induced by dexamethasone topical stimulation in vivo. Additionally, hUCB‑MSCs significantly increased the proliferation of human dermal papilla cells (hDPCs) and HaCaT cells, which are key constituent cells of the hair follicle. Stimulation of vascular endothelial growth factor secretion and decreased expression of DKK‑1 by hUCB‑MSCs were also observed in hDPCs. Restoration of cell viability by hUCB‑MSCs suggested that these cells exerted a protective effect on glucocorticoid stress‑associated hair loss. In addition, anti‑apoptotic effects and regulation of the autophagic flux recovery were observed in HaCaT cells. The results of the present study indicated that hUCB‑MSCs may have the capacity to protect hair follicular dermal papilla cells and keratinocytes, thus preventing hair loss. Additionally, the protective effects of hUCB‑MSCs may be resistant to dysregulation of autophagy under harmful stress.
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Affiliation(s)
- Dong Ho Bak
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, North Jeolla 56212, Republic of Korea
| | - Esther Lee
- Department of Dermatology, College of Medicine, Seoul 06973, Republic of Korea
| | - Mi Ji Choi
- Department of Dermatology, College of Medicine, Seoul 06973, Republic of Korea
| | - Byung Chul Lee
- Department of Dermatology, College of Medicine, Seoul 06973, Republic of Korea
| | - Tae-Rin Kwon
- Department of Dermatology, College of Medicine, Seoul 06973, Republic of Korea
| | - Jong-Hwan Kim
- Department of Dermatology, College of Medicine, Seoul 06973, Republic of Korea
| | - Eun Su Jeon
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Seongnam, Gyeonggi 13494, Republic of Korea
| | - Wonil Oh
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Seongnam, Gyeonggi 13494, Republic of Korea
| | - Seog Kyun Mun
- Department of Otorhinolaryngology, College of Medicine, Chung‑Ang University, Seoul 06973, Republic of Korea
| | - Byung Cheol Park
- Department of
Dermatology, Dankook Medical College, Cheonan, South Chungcheong 31116, Republic of Korea
| | - Jungtae Na
- Department of Dermatology, College of Medicine, Seoul 06973, Republic of Korea
| | - Beom Joon Kim
- Department of Dermatology, College of Medicine, Seoul 06973, Republic of Korea
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21
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Tan JJY, Common JE, Wu C, Ho PCL, Kang L. Keratinocytes maintain compartmentalization between dermal papilla and fibroblasts in 3D heterotypic tri-cultures. Cell Prolif 2019; 52:e12668. [PMID: 31379046 PMCID: PMC6797517 DOI: 10.1111/cpr.12668] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 06/11/2019] [Accepted: 06/27/2019] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVES Reproducing human hair follicles in vitro is often limited by various reasons such as the lack of a systematic approach to culture distinct hair follicle cell types to reproduce their spatial relationship. Here, we reproduce hair follicle-like constructs resembling the spatial orientation of different cells in vivo, to study the role of keratinocytes in maintaining cellular compartmentalization among hair follicle-related cells. MATERIALS AND METHODS Dermal papilla (DP) cells, HaCaT keratinocytes and human dermal fibroblast (HDF) cells were seeded sequentially into three-dimensional (3D) microwells fabricated from polyethylene glycol diacrylate hydrogels. Quantitative polymerase chain reaction was used to compare inductive gene expression of 3D and two-dimensional (2D) DP. DP and HaCaT cells were transfected with green fluorescent protein and red fluorescent protein lentivirus, respectively, to enable cell visualization using confocal microscopy. RESULTS The 3D DP cultures showed significantly enhanced expression of essential DP genes as compared 2D cultures. Core-shell configurations containing keratinocytes forming the outer shell and DP forming the core were observed. Migratory polarization was mediated by cell-cell interaction between the keratinocytes and HDF cells, while preserving the aggregated state of the DP cells. CONCLUSIONS Keratinocytes may play a role in maintaining compartmentalization between the DP and the surrounding HDF residing in the dermis, and therefore maintains the aggregative state of the DP cells, necessary for hair follicle development and function.
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Affiliation(s)
- Justin J. Y. Tan
- Department of PharmacyNational University of SingaporeSingaporeSingapore
| | | | - Chunyong Wu
- Department of Pharmaceutical AnalysisChina Pharmaceutical UniversityNanjingChina
| | - Paul C. L. Ho
- Department of PharmacyNational University of SingaporeSingaporeSingapore
| | - Lifeng Kang
- School of PharmacyUniversity of SydneySydneyNSWAustralia
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22
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23
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Huang W, Lin ET, Hsu Y, Lin S. Anagen hair follicle repair: Timely regenerative attempts from plastic extra‐bulge epithelial cells. Exp Dermatol 2019; 28:406-412. [DOI: 10.1111/exd.13889] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/26/2018] [Accepted: 01/15/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Wen‐Yen Huang
- Department of Biomedical EngineeringNational Taiwan University Taipei Taiwan
| | - Edrick Tai‐Yu Lin
- Department of Biomedical EngineeringNational Taiwan University Taipei Taiwan
- Department of DermatologyNational Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan
| | - Ya‐Chieh Hsu
- Department of Stem Cell and Regenerative BiologyHarvard University and Harvard Stem Cell Institute Cambridge Massachusetts
| | - Sung‐Jan Lin
- Department of Biomedical EngineeringNational Taiwan University Taipei Taiwan
- Department of DermatologyNational Taiwan University Hospital and National Taiwan University College of Medicine Taipei Taiwan
- Research Center for Developmental Biology and Regenerative MedicineNational Taiwan University Taipei Taiwan
- Graduate Institute of Clinical MedicineCollege of MedicineNational Taiwan University Taipei Taiwan
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24
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Ohyama M. Use of human intra-tissue stem/progenitor cells and induced pluripotent stem cells for hair follicle regeneration. Inflamm Regen 2019; 39:4. [PMID: 30834027 PMCID: PMC6388497 DOI: 10.1186/s41232-019-0093-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 01/23/2019] [Indexed: 01/07/2023] Open
Abstract
Background The hair follicle (HF) is a unique miniorgan, which self-renews for a lifetime. Stem cell populations of multiple lineages reside within human HF and enable its regeneration. In addition to resident HF stem/progenitor cells (HFSPCs), the cells with similar biological properties can be induced from human-induced pluripotent stem cells (hiPSCs). As approaches to regenerate HF by combining HF-derived cells have been established in rodents and a huge demand exists to treat hair loss diseases, attempts have been made to bioengineer human HF using HFSPCs or hiPSCs. Main body of the abstract The aim of this review is to comprehensively summarize the strategies to regenerate human HF using HFSPCs or hiPSCs. HF morphogenesis and regeneration are enabled by well-orchestrated epithelial-mesenchymal interactions (EMIs). In rodents, various combinations of keratinocytes with mesenchymal (dermal) cells with trichogenic capacity, which were transplanted into in vivo environment, have successfully generated HF structures. The regeneration efficiency was higher, when epithelial or dermal HFSPCs were adopted. The success in HF formation most likely depended on high receptivity to trichogenic dermal signals and/or potent hair inductive capacity of HFSPCs. In theory, the use of epithelial HFSPCs in the bulge area and dermal papilla cells, their precursor cells in the dermal sheath, or trichogenic neonatal dermal cells should elicit intense EMI sufficient for HF formation. However, technical hurdles, represented by the limitation in starting materials and the loss of intrinsic properties during in vitro expansion, hamper the stable reconstitution of human HFs with this approach. Several strategies, including the amelioration of culture condition or compartmentalization of cells to strengthen EMI, can be conceived to overcome this obstacle. Obviously, use of hiPSCs can resolve the shortage of the materials once reliable protocols to induce wanted HFSPC subsets have been developed, which is in progress. Taking advantage of their pluripotency, hiPSCs may facilitate previously unthinkable approaches to regenerate human HFs, for instance, via bioengineering of 3D integumentary organ system, which can also be applied for the treatment of other diseases. Short conclusion Further development of methodologies to reproduce bona fide EMI in HF formation is indispensable. However, human HFSPCs and hiPSCs hold promise as materials for human HF regeneration.
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Affiliation(s)
- Manabu Ohyama
- Department of Dermatology, Kyorin University Faculty of Medicine, 6-20-2 Shinkawa, Mitaka, Tokyo, 181-8611 Japan
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Hsiao WC, Young TH. Characteristics of melanocyte spheroids formed through different biomaterial-induced processes. J Formos Med Assoc 2019; 118:152-161. [DOI: 10.1016/j.jfma.2018.02.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 01/10/2018] [Accepted: 02/13/2018] [Indexed: 11/28/2022] Open
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Tan JJY, Tee JK, Chou KO, Yong SYA, Pan J, Ho HK, Ho PCL, Kang L. Impact of substrate stiffness on dermal papilla aggregates in microgels. Biomater Sci 2018; 6:1347-1357. [PMID: 29687797 DOI: 10.1039/c8bm00248g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Interaction between cells and the extracellular environment plays a vital role in cellular development. The mechanical property of a 3-dimensional (3D) culture can be modified to mimic in vivo conditions. Dermal papilla (DP) cells are shown to gradually lose their inductivity in hair cycle development in a 2-dimensional culture. They are shown to partially restore their inductivity when transferred into a 3D microenvironment. In this study, a microarray fabricated from three different concentrations of poly-ethylene-glycol-diacrylate 3500, namely 5%, 10% and 15% w/v, yielded increasing substrate stiffness. The impact of varying substrate stiffness was tested for DP cell viability, attachment, and selected hair inductive markers. DP aggregates were shown to be viable and exhibited greater spreading with increasing substrate stiffness. Moreover, DP aggregates cultured on a softer substrate showed a greater fold change of gene and protein expressions than those cultured on a harder substrate.
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Affiliation(s)
- Justin J Y Tan
- Department of Pharmacy, National University of Singapore (NUS), Lower Kent Ridge Road, 18 Science Drive 4, Singapore 117543, Singapore
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Nilforoushzadeh MA, Zare M, Zarrintaj P, Alizadeh E, Taghiabadi E, Heidari-Kharaji M, Amirkhani MA, Saeb MR, Mozafari M. Engineering the niche for hair regeneration - A critical review. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 15:70-85. [PMID: 30201489 DOI: 10.1016/j.nano.2018.08.012] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 07/06/2018] [Accepted: 08/17/2018] [Indexed: 12/14/2022]
Abstract
Recent progress in hair follicle regeneration and alopecia treatment necessitates revisiting the concepts and approaches. In this sense, there is a need for shedding light on the clinical and surgical therapies benefitting from nanobiomedicine. From this perspective, this review attempts to recognize requirements upon which new hair therapies are grounded; to underline shortcomings and opportunities associated with recent advanced strategies for hair regeneration; and most critically to look over hair regeneration from nanomaterials and pluripotent stem cell standpoint. It is noteworthy that nanotechnology is able to illuminate a novel path for reprogramming cells and controlled differentiation to achieve the desired performance. Undoubtedly, this strategy needs further advancement and a lot of critical questions have yet to be answered. Herein, we introduce the salient features, the hurdles that must be overcome, the hopes, and practical constraints to engineer stem cell niches for hair follicle regeneration.
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Affiliation(s)
| | - Mehrak Zare
- Skin and Stem Cell Research Center, Tehran University of Medical Science, Tehran, Iran
| | - Payam Zarrintaj
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran, Iran
| | - Effat Alizadeh
- Department of Medical Biotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ehsan Taghiabadi
- Skin and Stem Cell Research Center, Tehran University of Medical Science, Tehran, Iran; Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | | | | | - Mohammad Reza Saeb
- Department of Resin and Additives, Institute for Color Science and Technology, Tehran, Iran
| | - Masoud Mozafari
- Bioengineering Research Group, Nanotechnology and Advanced Materials Department, Materials and Energy Research Center (MERC), Tehran, Iran; Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Jampa-Ngern S, Viravaidya-Pasuwat K, Suvanasuthi S, Khantachawana A. Effect of laser diode light irradiation on growth capability of human hair follicle dermal papilla cells. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2018; 2017:3592-3595. [PMID: 29060675 DOI: 10.1109/embc.2017.8037634] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Low level laser therapy is widely used to relieve pain and inflammation, and to restore cellular functions. The photons of light are absorbed by mitochondria in cells, leading to an increase in the production of adenosine triphosphate (ATP), nitric oxide release, blood flow, and reactive oxygen species (ROS). This study proposed the use of a laser diode array at 808 nm to stimulate the proliferation and to activate the functions of dermal papilla cells, which were an important part of the hair growth cycle. These cells were isolated from human hair follicles and were exposed to 808 nm light at various doses from 0.5, 1, 2.5, 4, and 6 J/cm2. The rate of cell proliferation and the gene expression profile of dermal papilla cells were investigated and compared with the control in which the cells did not received any light treatment. The growth curves of the dermal papilla cells were used to determine the specific growth rates. Higher specific growth rates were observed in the cells exposed to laser at doses higher than 0.5 J/cm2. The effect of the laser light treatment on several gene markers, specifically for dermal papilla cells, was evaluated using real-time polymerase chain reaction (qPCR). Our result shows that collagen type 1 (Col1), alkaline phosphatase (Alp), and versican (Vcan) did not increase when the cells were irradiated by the laser light. Interestingly, sex determining region y-box 2 (Sox2) gene was up-regulated when 0.5 J/cm2, and 1 J/cm2 light was used, while an increase in the level of fibroblast growth factor 7 (Fgf7) gene was observed with light irradiation at 0.5 J/cm2, 1 J/cm2, 2.5 J/cm2, and 4 J/cm2. Too high irradiation dose was shown to yield no effect on the gene expression of dermal papilla cells.
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Choi N, Choi J, Kim JH, Jang Y, Yeo JH, Kang J, Song SY, Lee J, Sung JH. Generation of trichogenic adipose-derived stem cells by expression of three factors. J Dermatol Sci 2018; 92:18-29. [PMID: 30146106 DOI: 10.1016/j.jdermsci.2018.08.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 08/07/2018] [Accepted: 08/10/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND Previous studies demonstrated that adipose-derived stem cells (ASCs) can promote hair growth, but unmet needs exist for enhancing ASC hair inductivity. OBJECTIVE Therefore, we introduced three trichogenic factors platelet-derived growth factor-A, SOX2, and β-catenin to ASCs (tfASCs) and evaluated whether tfASCs have similar characteristics as dermal papilla (DP) cells. METHOD Global gene expression was examined using NGS analysis. Telogen-to-anagen induction, vibrissae hair follicle organ culture and patch assay were used. RESULTS tfASC cell size is smaller than that of ASCs, and they exhibit short doubling time. tfASCs also resist aging and can be expanded until passage 12. Cell proportion in S and G2/M increases in tfASCs, and tfASCs express high mRNA levels of cell cycle related genes. The mRNA expression of DP markers was notably higher in tfASCs. Moreover, NGS analysis revealed that the global gene expression of tfASCs is similar to that of DP cells. The injection of tfASCs accelerated the telogen-to-anagen transition and conditioned medium of tfASCs increased the anagen phase of vibrissal hair follicles. Finally, we found that the injection of 3D-cultured tfASCs at p 9 generated new hair follicles in nude mice. CONCLUSION Collectively, these results indicate that 1) tfASCs have similar characteristics as DP cells, 2) tfASCs have enhanced hair-regenerative potential compared with ASCs, and 3) tfASCs even at late passage can make new hair follicles in a hair reconstitution assay. Because DP cells are difficult to isolate/expand and ASCs have low hair inductivity, tfASCs and tfASC-CM are clinically good candidates for hair regeneration.
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Affiliation(s)
- Nahyun Choi
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea; STEMORE Co. Ltd., Incheon, South Korea
| | - Junjeong Choi
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | | | | | - Joo Hye Yeo
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | - Juwon Kang
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea
| | - Seung Yong Song
- Institute for Human Tissue Restoration, Department of Plastic and Reconstructive Surgery, Yonsei University College of Medicine, Seoul, South Korea
| | - Jinu Lee
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea.
| | - Jong-Hyuk Sung
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, South Korea; STEMORE Co. Ltd., Incheon, South Korea.
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Zhang D, Wu S, Feng J, Duan Y, Xing D, Gao C. Micropatterned biodegradable polyesters clicked with CQAASIKVAV promote cell alignment, directional migration, and neurite outgrowth. Acta Biomater 2018; 74:143-155. [PMID: 29768188 DOI: 10.1016/j.actbio.2018.05.018] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Revised: 03/28/2018] [Accepted: 05/11/2018] [Indexed: 12/31/2022]
Abstract
The interplay of microstructures and biological cues is critical to regulate the behaviors of Schwann cells (SCs) in terms of cellular spatial arrangement and directional migration as well as neurite orientation for bridging the proximal and distal stumps of the injured peripheral nervous system. In this study, stripe micropatterns having ridges/grooves of width 20/20 and 20/40 μm were fabricated on the surface of maleimide-functionalized biodegradable poly(ester carbonate) (P(LLA-MTMC)) films by the polydimethylsiloxane mold-pressing method, respectively. The laminin-derived CQAASIKVAV peptides end-capped with an SH group were then grafted by the thiol-ene click reaction under mild conditions to obtain micropatterned and peptide-grafted films. SCs cultured on these films, especially on the 20/40-μm film, displayed faster and aligned adhesion as well as a larger number of elongated cells with a higher length-to-width (L/W) ratio along the stripe direction than those on the flat-pep film. The migration rate of SCs was significantly enhanced in parallel to the stripe direction with a large net displacement. The micropatterned and peptide-grafted films, especially the 20/40-μm film, could promote SC proliferation and nerve growth factor (NGF) secretion in a manner similar to that of the peptide-grafted planar film. Moreover, the neurites of rat pheochromocytoma 12 (PC12) cells sprouted along the ridges with a longer average length on the micropatterned and peptide-grafted films. The synergistic effect of physical patterns and biological cues was evaluated by considering the results of cell adhesion force; immunofluorescence staining of vinculin; fluorescence staining of F-actin and the nucleus; as well as gene expression of neural cadherin (NCAD), neurocan (NCAN), and myelin protein zero (P0). STATEMENT OF SIGNIFICANCE The interplay of microstructures and biological cues is critical to regulate the behaviors of Schwann cells (SCs) and nerve cells, and thereby the regeneration of peripheral nerve system. In this study, the combined micropatterning and CQAASIKVAV grafting endowed the modified P(LLA-MTMC) films with both contact guidance and bioactive chemical cues to enhance cell proliferation, directional alignment and migration, longer net displacement and larger NGF secretion, and stronger neurite outgrowth of SCs and PC12 cells. Hence, the integration of physical micropatterns and bioactive molecules is an effective way to obtain featured biomaterials for the regeneration of nerves and other types of tissues.
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Gupta AC, Chawla S, Hegde A, Singh D, Bandyopadhyay B, Lakshmanan CC, Kalsi G, Ghosh S. Establishment of an in vitro organoid model of dermal papilla of human hair follicle. J Cell Physiol 2018; 233:9015-9030. [DOI: 10.1002/jcp.26853] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 05/10/2018] [Indexed: 01/03/2023]
Affiliation(s)
- Abhishak C. Gupta
- Department of Textile Technology, Regenerative Engineering Laboratory Indian Institute of Technology Delhi India
| | - Shikha Chawla
- Department of Textile Technology, Regenerative Engineering Laboratory Indian Institute of Technology Delhi India
| | - Ashok Hegde
- ITC Life Sciences and Technology Centre, ITC Ltd. Bangalore India
| | - Divya Singh
- Department of Textile Technology, Regenerative Engineering Laboratory Indian Institute of Technology Delhi India
| | | | | | - Gurpreet Kalsi
- ITC Life Sciences and Technology Centre, ITC Ltd. Bangalore India
| | - Sourabh Ghosh
- Department of Textile Technology, Regenerative Engineering Laboratory Indian Institute of Technology Delhi India
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Topouzi H, Logan NJ, Williams G, Higgins CA. Methods for the isolation and 3D culture of dermal papilla cells from human hair follicles. Exp Dermatol 2018; 26:491-496. [PMID: 28418608 PMCID: PMC5519926 DOI: 10.1111/exd.13368] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2017] [Indexed: 12/18/2022]
Abstract
The dermal papilla is a cluster of mesenchymal cells located at the base of the hair follicle which have a number of important roles in the regulation of hair growth. As a consequence, in vitro models of these cells are widely used to study the molecular mechanisms which underlie hair follicle induction, growth and maintenance. While dermal papilla from rodent hair follicles can be digested prior to cell isolation, the unique extracellular matrix composition found in human dermal papilla renders enzymes such as trypsin and collagenase insufficient for digestion of the dermal papilla into a single cell suspension. As such, to grow human dermal papilla cells in vitro, the papilla has to first be isolated via a micro-dissection approach from the follicle. In this article we describe the micro-dissection and culture methods, which we use within our laboratory, for the study of human dermal papilla cells.
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Affiliation(s)
- Helena Topouzi
- Department of Bioengineering, Imperial College London, London, UK
| | - Niall J Logan
- Department of Bioengineering, Imperial College London, London, UK
| | | | - Claire A Higgins
- Department of Bioengineering, Imperial College London, London, UK
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Li ST, Young TH, Huang TW. Poly (ethylene-co-vinyl alcohol) is a suitable substrate for human olfactory neuroepithelial cell differentiation in vitro through a defined regulatory pathway. Acta Biomater 2018; 68:204-213. [PMID: 29288083 DOI: 10.1016/j.actbio.2017.12.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 11/28/2017] [Accepted: 12/19/2017] [Indexed: 12/30/2022]
Abstract
Olfactory dysfunction significantly influences patients' life quality, but currently has no adequate treatment. Poly (ethylene-co-vinyl alcohol) (EVAL) mediates cell adhesion, growth and modulates differentiation of neural stem cells. However, whether EVAL is a suitable substrate to establish an in vitro culture system that can promote development and differentiation of human olfactory neuroepithelial cells (HONCs) remains unexplored. This study isolates and cultures HONCs on controls and EVAL films for 21 days. The effects of treatment are assessed using immunocytochemistry, microarray analysis, quantitative PCR, ELISA and western blots following culturing. Most of the cell morphology on controls is epithelial and expresses markers of sustentacular cells (SCs), cadherin-1 and cytokeratin18, whereas the main population on EVAL presents as morphology with extended thin processes and possesses markers of mature olfactory sensory neurons (OSNs), olfactory marker protein (OMP). Microarray analyses reveal neuropeptide Y (NPY) and amphiregulin (AREG) are the two important regulating factors on EVAL films. HONCs cultured on EVAL films enhance the development of mature OSNs through NPY signaling, and significantly decrease the growth of SCs by blocking epidermal growth factor receptor (EGFR) activation. EVAL is a potential biomaterial to serve as an ideal substrate for treating olfactory dysfunction in the future. STATEMENT OF SIGNIFICANCE Olfaction not only contributes to enjoyments of food, but provides a clue to escape from dangerous environmental hazards. However, loss of smell is commonly progressive and there is no good prognostic approach for olfactory dysfunction. Here, we use poly (ethylene-co-vinyl alcohol) (EVAL) to establish an in vitro culture system that promotes development and differentiation of human olfactory neuroepithelial cells. We show that EVAL not only enhances the development of mature olfactory sensory neurons through neuronpeptide Y signaling, but significantly protects the olfactory neuroepithelium from metaplasia by inhibiting EGFR activation. Therefore, EVAL is a potential biomaterial to serve as an ideal substrate for treating olfactory dysfunction in the future.
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Wang J, Miao Y, Huang Y, Lin B, Liu X, Xiao S, Du L, Hu Z, Xing M. Bottom-up Nanoencapsulation from Single Cells to Tunable and Scalable Cellular Spheroids for Hair Follicle Regeneration. Adv Healthc Mater 2018; 7. [PMID: 29227036 DOI: 10.1002/adhm.201700447] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 06/05/2017] [Indexed: 01/31/2023]
Abstract
Cell surface engineering technology advances cell therapeutics and tissue engineering by accurate micro/nanoscale control in cell-biomaterial ensembles and cell spheroids formation. By tailoring cell surface, microgels can encapsulate cells for versatile uses. However, microgels are coated in a thick layer to house multiple cells together but not a single cell based. Besides, excessive deposition on cell surface is detrimental to cellular functions. Herein, layer-by-layer (LbL) self-assembly to encapsulate single cell using nanogel is reported, owing to its security and tunable thickness at nanoscale, and further forms cell spheroids by physical cross-linking on nanogel-coated cells for delivery. A hair follicle (HF) regeneration model where the dermal papilla cells (DPCs) are given a 3D installation to maintain its ability of HF induction during in vitro culture is studied. Dermal papilla (DP) spheroids are optimized and that LbL-DPCs aggregation is akin to primary DP is demonstrated. The markers ALP, Versican, and NCAM are examined to investigate that high-passaged (P8) DP spheroids can restore the hair induction potential, which are lost in 2D culture. New HFs are regenerated successfully by implantation of DP spheroids in vivo.
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Affiliation(s)
- Jin Wang
- Department of Plastic and Aesthetic Surgery; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong Province 510515 China
- Department of Mechanical Engineering; University of Manitoba; 75A Chancellors Circle Winnipeg Manitoba R3T 2N2 Canada
| | - Yong Miao
- Department of Plastic and Aesthetic Surgery; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong Province 510515 China
| | - Yong Huang
- Chongqing Academy of Animal Sciences; Chongqing 402460 China
| | - Bojie Lin
- Department of Plastic and Aesthetic Surgery; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong Province 510515 China
- Department of Mechanical Engineering; University of Manitoba; 75A Chancellors Circle Winnipeg Manitoba R3T 2N2 Canada
| | - Xiaomin Liu
- Department of Plastic and Aesthetic Surgery; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong Province 510515 China
| | - Shune Xiao
- Department of Plastic and Aesthetic Surgery; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong Province 510515 China
| | - Lijuan Du
- Department of Plastic and Aesthetic Surgery; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong Province 510515 China
| | - Zhiqi Hu
- Department of Plastic and Aesthetic Surgery; Nanfang Hospital of Southern Medical University; Guangzhou Guangdong Province 510515 China
| | - Malcolm Xing
- Department of Mechanical Engineering; University of Manitoba; 75A Chancellors Circle Winnipeg Manitoba R3T 2N2 Canada
- Children's Hospital Research Institute of Manitoba; 715 McDermot Ave Winnipeg Manitoba R3E3P4 Canada
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Extracellular vesicles derived from MSCs activates dermal papilla cell in vitro and promotes hair follicle conversion from telogen to anagen in mice. Sci Rep 2017; 7:15560. [PMID: 29138430 PMCID: PMC5686117 DOI: 10.1038/s41598-017-15505-3] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 10/27/2017] [Indexed: 02/06/2023] Open
Abstract
Hair loss is a common medical problem. In this study, we investigated the proliferation, migration, and growth factor expression of human dermal papilla (DP) cells in the presence or absence of treatment with mesenchymal stem cell extracellular vesicles (MSC-EVs). In addition, we tested the efficacy of MSC-EV treatment on hair growth in an animal model. MSC-EV treatment increased DP cell proliferation and migration, and elevated the levels of Bcl-2, phosphorylated Akt and ERK. In addition; DP cells treated with MSC-EVs displayed increased expression and secretion of VEGF and IGF-1. Intradermal injection of MSC-EVs into C57BL/6 mice promoted the conversion from telogen to anagen and increased expression of wnt3a, wnt5a and versican was demonstrated. The first time our results suggest that MSC-EVs have a potential to activate DP cells, prolonged survival, induce growth factor activation in vitro, and promotes hair growth in vivo.
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Basement Membrane Matrix Promotes the Efficiency of Hair Follicle Reconstruction In Vivo and Is a Cell Delivery Vehicle for Follicle Regeneration. Dermatol Surg 2017; 43:848-855. [PMID: 28541264 DOI: 10.1097/dss.0000000000001050] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND The efficiency of hair follicle (HF) reconstruction is decreased by extensive apoptotic remodeling that occurs soon after grafting. OBJECTIVE To evaluate a basement membrane matrix (matrix) to improve the efficiency of HF reconstruction and serve as a cell delivery vehicle. MATERIALS AND METHODS Newborn mouse skin cells were suspended in a matrix and transplanted in a chamber assay. The viability and proliferation of mouse dermal papilla cells seeded in the matrix were tested. Dermal papilla cells and epidermal cells seeded in matrix sheets were grafted into nude mice to observe hair formation. RESULTS The matrix significantly shortened the time to hair formation. The first hair shafts appeared within the matrix at 17.67 ± 1.21 days versus 23.00 ± 1.41 days for Dulbecco's modified Eagle medium controls. There was a significant difference (p < .05) in the number of newly formed hairs in areas of reconstructed skin with the matrix (100 μL) grafts (323 ± 12) versus controls (276 ± 11). Dermal papilla cells were successfully cultured in the matrix, and hair formation was dense when the matrix was used as a cell delivery vehicle for follicle reconstruction. CONCLUSION The matrix improved the efficiency of HF reconstruction and was a suitable delivery vehicle of cells for HF engineering.
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Mohammadi P, Youssef KK, Abbasalizadeh S, Baharvand H, Aghdami N. Human Hair Reconstruction: Close, But Yet So Far. Stem Cells Dev 2016; 25:1767-1779. [PMID: 27649771 DOI: 10.1089/scd.2016.0137] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Billions of dollars are annually invested in pharmaceutical industry and cosmetic sector with intent to develop new drugs and treatment strategies for alopecia. Because the hair looks an important characteristic of humans-an effective appendage in perception, expression of beauty, and preservation of self-esteem-the global market for hair loss treatment products is exponentially increasing. However, current methods to treat hair loss endure yet multiple challenges, such as unfavorable outcomes, nonpermanent and patient-dependent results, as well as unpredictable impacts, which limit their application. Over recent years, remarkable advances in the fields of regenerative medicine and hair tissue engineering have raised new hopes for introducing novel cell-based approaches to treat hair loss. Through cell-based approaches, it is possible to produce hair-like structures in the laboratory setting or manipulate cells in their native niche (in vivo lineage reprogramming) to reconstruct the hair follicle. However, challenging issues still exist with the functionality of cultured human hair cells, the proper selection of nonhair cell sources in cases of shortage of donor hair, and the development of defined culture conditions. Moreover, in the case of in vivo lineage reprogramming, selecting appropriate induction factors and their efficient delivery to guide resident cells into a hair fate-with the aim of reconstructing functional hair-still needs further explorations. In this study, we highlight recent advances and current challenges in hair loss treatment using cell-based approaches and provide novel insights for crucial steps, which must be taken into account to develop reproducible, safe, and efficient cell-based treatment.
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Affiliation(s)
- Parvaneh Mohammadi
- 1 Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology , ACECR, Tehran, Iran .,2 Department of Developmental Biology, University of Science and Culture , Tehran, Iran
| | - Khalil Kass Youssef
- 3 Department of Developmental Neurobiology, Instituto de Neurociencias CSIC-UMH , San Juan de Alicante, Spain
| | - Saeed Abbasalizadeh
- 1 Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology , ACECR, Tehran, Iran
| | - Hossein Baharvand
- 1 Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology , ACECR, Tehran, Iran .,2 Department of Developmental Biology, University of Science and Culture , Tehran, Iran
| | - Nasser Aghdami
- 1 Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology , ACECR, Tehran, Iran
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Sari ARP, Rufaut NW, Jones LN, Sinclair RD. The Effect of Ovine Secreted Soluble Factors on Human Dermal Papilla Cell Aggregation. Int J Trichology 2016; 8:103-10. [PMID: 27625561 PMCID: PMC5007915 DOI: 10.4103/0974-7753.188963] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Context: In androgenetic alopecia, follicular miniaturization and dynamic changes to the hair cycle produce patterned baldness. The most effective treatment for baldness is hair transplantation surgery. The major limitation to hair transplantation is the availability of donor hair from the relatively unaffected occipital scalp. Hair induction with in vitro expansion of donor follicle populations has the potential to overcome this. The major obstacle to this is that in vitro expansion of human dermal papilla cell (DPC) colonies is associated with irreversible loss of aggregative behavior and hair follicle-inductive potential. In contrast, cultured ovine DPCs maintain these properties after extensive proliferation. Aims: To determine whether aggregating ovine DPC secrete factors that enhance the aggregative behavior or inductive potential of human DPC. Subjects and Methods: Fluorescently-labelled ovine DPC were mixed in culture with human DPC at passage number seven-nine, which had lost their aggregative behavior. The effects of different culture substrates and medium compositions on aggregative behavior were determined. Ovine and human papilla cells were co-cultured, separated by a permeable membrane to determine whether the ovine cells secrete soluble factors that affect human papilla cells. Results: In direct co-culture experiments, well-formed aggregates were produced by 90:10 human:ovine and 50:50 human:ovine DPC mixtures. In contrast, unmixed human DPC remained in a monolayer state after 18 days. Both human and ovine DPC had a higher tendency to aggregate in medium containing 20% (v/v) lamb serum (LS) compared to 10% (v/v) fetal calf serum (FCS). In co-culture experiments separated with permeable membrane, the human DPC aggregates were bigger and more rapidly formed with the addition of ovine secreted soluble factors. Conclusions: Soluble factors secreted by ovine DPC and present in LS increase the aggregative behavior of human DPC. These molecules might improve follicle inductiveness of human DPCs for the purpose of hair replacement therapy.
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Affiliation(s)
| | - Nicholas Wolfgang Rufaut
- Department of Medicine, University of Melbourne, Parkville, Australia; Department of Dermatology, Epworth Hospital, Melbourne, Australia
| | - Leslie Norman Jones
- Department of Medicine, University of Melbourne, Parkville, Australia; Department of Dermatology, Epworth Hospital, Melbourne, Australia
| | - Rodney Daniel Sinclair
- Department of Medicine, University of Melbourne, Parkville, Australia; Department of Dermatology, Epworth Hospital, Melbourne, Australia
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Huang CF, Chang YJ, Hsueh YY, Huang CW, Wang DH, Huang TC, Wu YT, Su FC, Hughes M, Chuong CM, Wu CC. Assembling Composite Dermal Papilla Spheres with Adipose-derived Stem Cells to Enhance Hair Follicle Induction. Sci Rep 2016; 6:26436. [PMID: 27210831 PMCID: PMC4876394 DOI: 10.1038/srep26436] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 05/03/2016] [Indexed: 12/19/2022] Open
Abstract
Intradermal adipose tissue plays an essential role for hair follicles (HFs) regeneration by regulating hair cycles. However, the effect of reconstruction of HFs and the involvement of adipose-related cells are poorly understood. We investigated assembly strategies for the interactions of dermal papilla (DP) cells with adipose-derived stem cells (ASCs) in promoting hair formation. DP cells lose DP traits during adherent culture, but preserved DP markers with a unified sphere diameter by seeding on chitosan-coated microenvironments. Next, ASCs isolated from rats were co-cultured with DP spheres by different assembling approaches to determine their interactions; a mixed sphere of ASCs with DP cells (MA-DPS), or a core-shell structure, outer ASCs shell and an inner DP core (CSA-DPS). CSA-DPS exhibited superior DP characteristics compared to MA-DPS. Conditional medium from ASCs, but not differentiated adipocytes, promoted DP markers and functional alkaline phosphatase activity from the DP cells. In vivo patch assay showed the core-shell assembling of CSA-DPS can reconstruct cellular arrangements and microenvironmental niches as dominated by PPARα signal in ASCs to induce the greater hair induction than MA-DPS or DP spheres alone. Therefore, the assembling of a core-shell sphere for DP with ASCs could reconstruct the HF cellular arrangement for hair formation. This paper set the groundwork for further evaluation of the input of other cell types.
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Affiliation(s)
- Chin-Fu Huang
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Ya-Ju Chang
- Institute of Basic Medical Science, National Cheng Kung University, Tainan, 701, Taiwan
| | - Yuan-Yu Hsueh
- Division of Plastic Surgery, National Cheng Kung University Hospital, Tainan, 701, Taiwan
| | - Chia-Wei Huang
- Institute of Basic Medical Science, National Cheng Kung University, Tainan, 701, Taiwan
| | - Duo-Hsiang Wang
- Division of Plastic Surgery, National Cheng Kung University Hospital, Tainan, 701, Taiwan
| | - Tzu-Chieh Huang
- Institute of Basic Medical Science, National Cheng Kung University, Tainan, 701, Taiwan
| | - Yi-Ting Wu
- Division of Plastic Surgery, National Cheng Kung University Hospital, Tainan, 701, Taiwan.,Department of Cell Biology and Anatomy, National Cheng Kung University, Tainan, 701, Taiwan
| | - Fong-Chin Su
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, 701, Taiwan
| | - Michael Hughes
- International Research Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, 701, Taiwan.,Institute of Clinical Medicine, National Cheng Kung University, Tainan, 701, Taiwan
| | - Cheng-Ming Chuong
- International Research Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, 701, Taiwan.,Institute of Clinical Medicine, National Cheng Kung University, Tainan, 701, Taiwan.,Department of Pathology, University of Southern California, California 90033, USA
| | - Chia-Ching Wu
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, 701, Taiwan.,Institute of Basic Medical Science, National Cheng Kung University, Tainan, 701, Taiwan.,Department of Cell Biology and Anatomy, National Cheng Kung University, Tainan, 701, Taiwan.,International Research Center for Wound Repair and Regeneration, National Cheng Kung University, Tainan, 701, Taiwan
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40
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Abstract
Isolated dermal cells possess the capacity to induce hair growth. The cells cannot be expanded while they retain the capacity for hair induction, and lose their potential immediately after cultivation. Sphere-forming multipotent cells derived from the dermis (skin-derived precursors [SKPs]) possess hair-inducing activity. These observations provide two possibilities for the determination of the capacity for hair induction: capacity is dependent on either identity as a dermal cell or on the process of sphere formation. We developed a method that demonstrates cultivated mesenchymal cells derived from dermis and lung tissue possess in vivo hair-inducing capacity via sphere formation.
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Liu Y, Lin C, Zeng Y, Li H, Cai B, Huang K, Yuan Y, Li Y. Comparison of Calcium and Barium Microcapsules as Scaffolds in the Development of Artificial Dermal Papillae. BIOMED RESEARCH INTERNATIONAL 2016; 2016:9128535. [PMID: 27123456 PMCID: PMC4829698 DOI: 10.1155/2016/9128535] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 01/11/2016] [Accepted: 01/27/2016] [Indexed: 02/05/2023]
Abstract
This study aimed to develop and evaluate barium and calcium microcapsules as candidates for scaffolding in artificial dermal papilla. Dermal papilla cells (DPCs) were isolated and cultured by one-step collagenase treatment. The DPC-Ba and DPC-Ca microcapsules were prepared by using a specially designed, high-voltage, electric-field droplet generator. Selected microcapsules were assessed for long-term inductive properties with xenotransplantation into Sprague-Dawley rat ears. Both barium and calcium microcapsules maintained xenogenic dermal papilla cells in an immunoisolated environment and induced the formation of hair follicle structures. Calcium microcapsules showed better biocompatibility, permeability, and cell viability in comparison with barium microcapsules. Before 18 weeks, calcium microcapsules gathered together, with no substantial immune response. After 32 weeks, some microcapsules were near inflammatory cells and wrapped with fiber. A few large hair follicles were found. Control samples showed no marked changes at the implantation site. Barium microcapsules were superior to calcium microcapsules in structural and mechanical stability. The cells encapsulated in hydrogel barium microcapsules exhibited higher short-term viability. This study established a model to culture DPCs in 3D culture conditions. Barium microcapsules may be useful in short-term transplantation study. Calcium microcapsules may provide an effective scaffold for the development of artificial dermal papilla.
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Affiliation(s)
- Yang Liu
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Changmin Lin
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Yang Zeng
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Haihong Li
- Department of Burn and Plastic Surgery, The Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Bozhi Cai
- Tissue Engineering Laboratory, The First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Keng Huang
- Department of Emergency, The Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Yanping Yuan
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Yu Li
- Tissue Engineering Laboratory, The First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515000, China
- *Yu Li:
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42
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Ojeh N, Pastar I, Tomic-Canic M, Stojadinovic O. Stem Cells in Skin Regeneration, Wound Healing, and Their Clinical Applications. Int J Mol Sci 2015; 16:25476-501. [PMID: 26512657 PMCID: PMC4632811 DOI: 10.3390/ijms161025476] [Citation(s) in RCA: 178] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 10/15/2015] [Accepted: 10/20/2015] [Indexed: 12/18/2022] Open
Abstract
The skin is the largest organ of the body and has an array of functions. Skin compartments, epidermis, and hair follicles house stem cells that are indispensable for skin homeostasis and regeneration. These stem cells also contribute to wound repair, resulting in restoration of tissue integrity and function of damaged tissue. Unsuccessful wound healing processes often lead to non-healing wounds. Chronic wounds are caused by depletion of stem cells and a variety of other cellular and molecular mechanisms, many of which are still poorly understood. Current chronic wound therapies are limited, so the search to develop better therapeutic strategies is ongoing. Adult stem cells are gaining recognition as potential candidates for numerous skin pathologies. In this review, we will discuss epidermal and other stem cells present in the skin, and highlight some of the therapeutic applications of epidermal stem cells and other adult stem cells as tools for cell/scaffold-based therapies for non-healing wounds and other skin disorders. We will also discuss emerging concepts and offer some perspectives on how skin tissue-engineered products can be optimized to provide efficacious therapy in cutaneous repair and regeneration.
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Affiliation(s)
- Nkemcho Ojeh
- Faculty of Medical Sciences, the University of the West Indies, Cave Hill Campus, P.O. Box 64, Bridgetown BB 11000, St. Michael, Barbados; E-Mail:
| | - Irena Pastar
- Wound Healing and Regenerative Medicine Research Program, Department of Dermatology and Cutaneous Surgery, University of Miami Miller Medical School, 1600 NW 10th Avenue, RMSB, Room 2023-A, Miami, FL 33136, USA; E-Mails: (I.P.); (M.T.-C.)
| | - Marjana Tomic-Canic
- Wound Healing and Regenerative Medicine Research Program, Department of Dermatology and Cutaneous Surgery, University of Miami Miller Medical School, 1600 NW 10th Avenue, RMSB, Room 2023-A, Miami, FL 33136, USA; E-Mails: (I.P.); (M.T.-C.)
| | - Olivera Stojadinovic
- Wound Healing and Regenerative Medicine Research Program, Department of Dermatology and Cutaneous Surgery, University of Miami Miller Medical School, 1600 NW 10th Avenue, RMSB, Room 2023-A, Miami, FL 33136, USA; E-Mails: (I.P.); (M.T.-C.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +1-305-243-7295; Fax: +1-305-243-6191
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43
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Li YC, Lin MW, Yen MH, Fan SMY, Wu JT, Young TH, Cheng JY, Lin SJ. Programmable Laser-Assisted Surface Microfabrication on a Poly(Vinyl Alcohol)-Coated Glass Chip with Self-Changing Cell Adhesivity for Heterotypic Cell Patterning. ACS APPLIED MATERIALS & INTERFACES 2015; 7:22322-22332. [PMID: 26393271 DOI: 10.1021/acsami.5b05978] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Organs are composed of heterotypic cells with patterned architecture that enables intercellular interaction to perform specific functions. In tissue engineering, the ability to pattern heterotypic cells into desired arrangement will allow us to model complex tissues in vitro and to create tissue equivalents for regeneration. This study was aimed at developing a method for fast heterotypic cell patterning with controllable topological manipulation on a glass chip. We found that poly(vinyl alcohol)-coated glass showed a biphasic change in adhesivity to cells in vitro: low adhesivity in the first 24 h and higher adhesivity at later hours due to increased serum protein adsorption. Combining programmable CO2 laser ablation to remove poly(vinyl alcohol) and glass, we were able to create arrays of adhesive microwells of adjustable patterns. We tested whether controllable patterns of epithelial-mesenchymal interaction could be created. When skin dermal papilla cells and fibroblasts were seeded respectively 24 h apart, we were able to pattern these two cells into aggregates of dermal papilla cells in arrays of microwells in a background of fibroblasts sheet. Seeded later, keratinocytes attached to these mesenchymal cells. Keratinocytes contacting dermal papilla cells started to differentiate toward a hair follicle fate, demonstrating patternable epithelial-mesenchymal interaction. This method allows fast adjustable heterotypic cell patterning and surface topology control and can be applied to the investigation of heterotypic cellular interaction and creation of tissue equivalent in vitro.
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Affiliation(s)
- Yi-Chen Li
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University , No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
| | - Meng-Wei Lin
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University , No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
| | - Meng-Hua Yen
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University , No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
- Research Center for Applied Sciences, Academia Sinica , Taipei 115-29, Taiwan
| | - Sabrina Mai-Yi Fan
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University , No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
| | - June-Tai Wu
- Institute of Molecular Medicine, College of Medicine, National Taiwan University , Taipei 100, Taiwan
| | - Tai-Horng Young
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University , No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
| | - Ji-Yen Cheng
- Research Center for Applied Sciences, Academia Sinica , Taipei 115-29, Taiwan
| | - Sung-Jan Lin
- Institute of Biomedical Engineering, College of Medicine and College of Engineering, National Taiwan University , No. 1, Section 1, Jen-Ai Road, Taipei 100, Taiwan
- Department of Dermatology, National Taiwan University Hospital and College of Medicine , Taipei 100, Taiwan
- Research Center for Developmental Biology and Regenerative Medicine, National Taiwan University , Taipei 100, Taiwan
- Molecular Imaging Center, National Taiwan University , Taipei 100, Taiwan
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44
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Arias CJ, Keller TCS, Schlenoff JB. Quasi-Spherical Cell Clusters Induced by a Polyelectrolyte Multilayer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:6436-6446. [PMID: 26035629 DOI: 10.1021/acs.langmuir.5b00678] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Fibroblasts cultured on polyelectrolyte multilayers, PEMUs, made from poly(diallyldimethylammonium), PDADMA, and poly(styrene sulfonate), PSS, showed a variety of attachment modes, depending on the charge of the last layer and deposition conditions. PEMUs terminated with PDADMA (cationic) were cytotoxic when built in 1.0 M NaCl but cytophilic when built in 0.15 M NaCl. Cells adhered poorly to all PSS-capped (anionic) films. PEMUs built in 0.15 M NaCl but terminated with a layer of PSS in 1.0 M NaCl induced most cells to form spherical clusters after about 48 h of culture. These clusters still interrogated the surface, and when they were replated on control tissue culture plastic, cells emerged with close to 100% viability. Differences between the various surfaces were probed in an effort to identify the mechanism responsible for this unusual behavior, which did not follow accepted correlations between substrate stiffness and cell adhesion. No significant differences in roughness or wetting were observed between cluster-inducing PSS-capped multilayers and those that did not produce clusters. When the surface charge was assayed with radiolabeled ions a strong increase in negative surface charge was revealed. Viewing the multilayer as a zwitterionic solid and comparing its surface charge density to that of a cell membrane yields similarities that suggest a mechanism for preventing protein adhesion to the surface, a necessary step in the integrin-mediated mechanotransduction properties of a cell.
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Affiliation(s)
- Carlos J Arias
- †Department of Chemistry and Biochemistry and ‡Department of Biological Sciences, The Florida State University, Tallahassee, Florida 32306, United States
| | - Thomas C S Keller
- †Department of Chemistry and Biochemistry and ‡Department of Biological Sciences, The Florida State University, Tallahassee, Florida 32306, United States
| | - Joseph B Schlenoff
- †Department of Chemistry and Biochemistry and ‡Department of Biological Sciences, The Florida State University, Tallahassee, Florida 32306, United States
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45
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Chan CC, Fan SMY, Wang WH, Mu YF, Lin SJ. A Two-Stepped Culture Method for Efficient Production of Trichogenic Keratinocytes. Tissue Eng Part C Methods 2015; 21:1070-9. [PMID: 25951188 DOI: 10.1089/ten.tec.2015.0033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Successful hair follicle (HF) neogenesis in adult life depends on the existence of both capable dermal cells and competent epidermal keratinocytes that recapitulate embryonic organogenesis through epithelial-mesenchymal interaction. In tissue engineering, the maintenance of trichogenic potential of adult epidermal cells, while expanding them remains a challenging issue. We found that although HF outer root sheath keratinocytes could be expanded for more than 100 passages as clonogenic cells without losing the proliferative potential with a 3T3J2 fibroblast feeder layer, these keratinocytes were unable to form new HFs when combined with inductive HF dermal papilla (DP) cells. However, when these high-passage keratinocytes were cocultured with HF DP cells for 4 days in vitro, they regained the trichogenic ability to form new HFs after transplantation. We found that the short-term coculture with DP cells enhanced both Wnt/β-catenin signaling, a signaling cascade key to HF development, and upregulated the expression of HF-specific genes, including K6, K16, K17, and K75, in keratinocytes, indicating that these cells were poised toward a HF fate. Hence, efficient production of trichogenic keratinocytes can be obtained by a two-stepped procedure with initial cell expansion with a 3T3J2 fibroblast feeder followed by short-term coculture with DP cells.
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Affiliation(s)
- Chih-Chieh Chan
- 1 Institute of Biomedical Engineering, National Taiwan University , Taipei, Taiwan .,2 Department of Dermatology, National Taiwan University Hospital and College of Medicine , Taipei, Taiwan
| | - Sabrina Mai-Yi Fan
- 1 Institute of Biomedical Engineering, National Taiwan University , Taipei, Taiwan
| | - Wei-Hung Wang
- 1 Institute of Biomedical Engineering, National Taiwan University , Taipei, Taiwan
| | - Yi-Fen Mu
- 2 Department of Dermatology, National Taiwan University Hospital and College of Medicine , Taipei, Taiwan
| | - Sung-Jan Lin
- 1 Institute of Biomedical Engineering, National Taiwan University , Taipei, Taiwan .,2 Department of Dermatology, National Taiwan University Hospital and College of Medicine , Taipei, Taiwan
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46
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Balañá ME, Charreau HE, Leirós GJ. Epidermal stem cells and skin tissue engineering in hair follicle regeneration. World J Stem Cells 2015; 7:711-27. [PMID: 26029343 PMCID: PMC4444612 DOI: 10.4252/wjsc.v7.i4.711] [Citation(s) in RCA: 67] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 10/02/2014] [Accepted: 02/04/2015] [Indexed: 02/06/2023] Open
Abstract
The reconstitution of a fully organized and functional hair follicle from dissociated cells propagated under defined tissue culture conditions is a challenge still pending in tissue engineering. The loss of hair follicles caused by injuries or pathologies such as alopecia not only affects the patients' psychological well-being, but also endangers certain inherent functions of the skin. It is then of great interest to find different strategies aiming to regenerate or neogenerate the hair follicle under conditions proper of an adult individual. Based upon current knowledge on the epithelial and dermal cells and their interactions during the embryonic hair generation and adult hair cycling, many researchers have tried to obtain mature hair follicles using different strategies and approaches depending on the causes of hair loss. This review summarizes current advances in the different experimental strategies to regenerate or neogenerate hair follicles, with emphasis on those involving neogenesis of hair follicles in adult individuals using isolated cells and tissue engineering. Most of these experiments were performed using rodent cells, particularly from embryonic or newborn origin. However, no successful strategy to generate human hair follicles from adult cells has yet been reported. This review identifies several issues that should be considered to achieve this objective. Perhaps the most important challenge is to provide three-dimensional culture conditions mimicking the structure of living tissue. Improving culture conditions that allow the expansion of specific cells while protecting their inductive properties, as well as methods for selecting populations of epithelial stem cells, should give us the necessary tools to overcome the difficulties that constrain human hair follicle neogenesis. An analysis of patent trends shows that the number of patent applications aimed at hair follicle regeneration and neogenesis has been increasing during the last decade. This field is attractive not only to academic researchers but also to the companies that own almost half of the patents in this field.
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Affiliation(s)
- María Eugenia Balañá
- María Eugenia Balañá, Gustavo José Leirós, Fundación Pablo Cassará -Instituto de Ciencia y Tecnología Dr. César Milstein, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Saladillo 2468 C1440FFX, Ciudad de Buenos Aires, Argentina
| | - Hernán Eduardo Charreau
- María Eugenia Balañá, Gustavo José Leirós, Fundación Pablo Cassará -Instituto de Ciencia y Tecnología Dr. César Milstein, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Saladillo 2468 C1440FFX, Ciudad de Buenos Aires, Argentina
| | - Gustavo José Leirós
- María Eugenia Balañá, Gustavo José Leirós, Fundación Pablo Cassará -Instituto de Ciencia y Tecnología Dr. César Milstein, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Saladillo 2468 C1440FFX, Ciudad de Buenos Aires, Argentina
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Sheen YS, Fan SMY, Chan CC, Wu YF, Jee SH, Lin SJ. Visible red light enhances physiological anagen entry in vivo and has direct and indirect stimulative effects in vitro. Lasers Surg Med 2014; 47:50-9. [DOI: 10.1002/lsm.22316] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/28/2014] [Indexed: 01/08/2023]
Affiliation(s)
- Yi-Shuan Sheen
- Department of Dermatology; National Taiwan University Hospital and National Taiwan University College of Medicine; 7 Chung-Shan South Road Taipei 100 Taiwan
| | - Sabrina Mai-Yi Fan
- Institute of Biomedical Engineering; College of Medicine and College of Engineering; National Taiwan University; No. 1, Sec. 1, Jen-Ai Road Taipei 100 Taiwan
| | - Chih-Chieh Chan
- Department of Dermatology; National Taiwan University Hospital and National Taiwan University College of Medicine; 7 Chung-Shan South Road Taipei 100 Taiwan
- Institute of Biomedical Engineering; College of Medicine and College of Engineering; National Taiwan University; No. 1, Sec. 1, Jen-Ai Road Taipei 100 Taiwan
| | - Yueh-Feng Wu
- Institute of Biomedical Engineering; College of Medicine and College of Engineering; National Taiwan University; No. 1, Sec. 1, Jen-Ai Road Taipei 100 Taiwan
| | - Shiou-Hwa Jee
- Department of Dermatology; National Taiwan University Hospital and National Taiwan University College of Medicine; 7 Chung-Shan South Road Taipei 100 Taiwan
| | - Sung-Jan Lin
- Department of Dermatology; National Taiwan University Hospital and National Taiwan University College of Medicine; 7 Chung-Shan South Road Taipei 100 Taiwan
- Institute of Biomedical Engineering; College of Medicine and College of Engineering; National Taiwan University; No. 1, Sec. 1, Jen-Ai Road Taipei 100 Taiwan
- Research Center for Developmental Biology and Regenerative Medicine; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei 106 Taiwan
- Center for Molecular Imaging; National Taiwan University; No. 1, Sec. 4, Roosevelt Road Taipei 106 Taiwan
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48
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Miao Y, Sun YB, Liu BC, Jiang JD, Hu ZQ. Controllable production of transplantable adult human high-passage dermal papilla spheroids using 3D matrigel culture. Tissue Eng Part A 2014; 20:2329-38. [PMID: 24528213 DOI: 10.1089/ten.tea.2013.0547] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
We have succeeded in culturing human dermal papilla (DP) cell spheroids and developed a three-dimensional (3D) Matrigel (basement membrane matrix) culture technique that can enhance and restore DP cells unique characteristics in vitro. When 1 × 10(4) DP cells were cultured on the 96-well plates precoated with Matrigel for 5 days, both passage 2 and passage 8 DP cells formed spheroidal microtissues with a diameter of 150-250 μm in an aggregative and proliferative manner. We transferred and recultured these DP spheroids onto commercial plates. Cells within DP spheres could disaggregate and migrate out, which was similar to primary DP. Moreover, we examined the expression of several genes and proteins associated with hair follicle inductivity of DP cells, such as NCAM, Versican, and α-smooth muscle actin, and confirmed that their expression level was elevated in the spheres compared with the dissociated DP cells. To examine the hair-inducing ability of DP spheres, hair germinal matrix cells (HGMCs) and DP spheres were mixed and cultured on Matrigel. Unlike the dissociated DP cells and HGMCs cocultured in two dimensions, HGMCs can differentiate into hair-like fibers under the induction of the DP spheres made from the high-passage cells (passage 8) in vitro. We are the first to show that passage 3 human HGMCs differentiate into hair-like fibers in the presence of human DP spheroids. These results suggest that the 3D Matrigel culture technique is an ideal culture model for forming DP spheroids and that sphere formation partially models the intact DP, resulting in hair induction, even by high-passage DP cells.
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Affiliation(s)
- Yong Miao
- 1 Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , Guangzhou, China
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49
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OVO Homolog-Like 1, a Target Gene of the Wnt/β-Catenin Pathway, Controls Hair Follicle Neogenesis. J Invest Dermatol 2014; 134:838-840. [DOI: 10.1038/jid.2013.421] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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50
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Lim TC, Leong MF, Lu H, Du C, Gao S, Wan ACA, Ying JY. Follicular dermal papilla structures by organization of epithelial and mesenchymal cells in interfacial polyelectrolyte complex fibers. Biomaterials 2013; 34:7064-72. [PMID: 23796577 DOI: 10.1016/j.biomaterials.2013.05.068] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2013] [Accepted: 05/25/2013] [Indexed: 02/06/2023]
Abstract
The hair follicle is a regenerating organ that produces a new hair shaft during each growth cycle. Development and cycling of the hair follicle is governed by interactions between the epithelial and mesenchymal components. Therefore, development of an engineered 3D hair follicle would be useful for studying these interactions to identify strategies for treatment of hair loss. We have developed a technique suitable for assembly of different cell types in close proximity in fibrous hydrogel scaffolds with resolutions of ∼50 μm. By assembly of dermal papilla (DP) and keratinocytes, structures similar to the native hair bulb arrangement are formed. Gene expression of these constructs showed up-regulation of molecules involved in epithelial-mesenchymal interactions of the hair follicle. Implantation of the follicular structures in SCID mice led to the formation of hair follicle-like structures, thus demonstrating their hair inductive ability. The transparency of the fiber matrix and the small dimensions of the follicular structures allowed the direct quantitation of DP cell proliferation by confocal microscopy, clearly illustrating the promoting or inhibitory effects of hair growth regulating agents. Collectively, our results suggested a promising application of these 3D engineered follicular structures for in vitro screening and testing of drugs for hair growth therapy.
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Affiliation(s)
- Tze Chiun Lim
- Institute of Bioengineering and Nanotechnology, 31 Biopolis Way, The Nanos, Singapore 138669, Singapore
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