151
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Zhu N, Huang K, Liu Y, Zhang H, Lin E, Zeng Y, Li H, Xu Y, Cai B, Yuan Y, Li Y, Lin C. miR-195-5p Regulates Hair Follicle Inductivity of Dermal Papilla Cells by Suppressing Wnt/ β-Catenin Activation. BIOMED RESEARCH INTERNATIONAL 2018; 2018:4924356. [PMID: 29850524 PMCID: PMC5937601 DOI: 10.1155/2018/4924356] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 02/11/2018] [Accepted: 03/05/2018] [Indexed: 02/05/2023]
Abstract
Dermal papilla (DP) cells play a vital role in hair follicle (HF) development and postnatal hair cycling. However, the abilities are lost on further culture. Recent studies have demonstrated significant influences of posttranscriptional regulation by microRNA (miRNA) on HF development. The current study aims to investigate how miRNAs regulate Wnt/β-catenin to control HF inductivity of DP cells by performing microarray analysis in early- and late-passage DP cells and transfecting with miRNAs inhibitor or mimic. Results showed early-passage DP cells strongly expressed miRNAs related to inhibition of noncanonical Wnt pathways. In late-passage DP cells, miRNAs capable of inhibiting the canonical Wnt/β-catenin pathway were upregulated, in addition to the miRNAs targeting the noncanonical Wnt pathway. Moreover, we verified that β-catenin expression was downregulated by miR-195-5p overexpression in dose manner. Meanwhile LRP6 expression was downregulated in both protein and mRNA as well as the genes involved in the hair inductivity of DP cells. These results suggest that the appearance of miRNAs that suppress the Wnt/β-catenin pathway may be responsible for the loss of ability of DP cells in culture and miR-195-5p is the potential key factor involved in regulating HF inductivity of DP cells.
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Affiliation(s)
- Ningxia Zhu
- Department of Pathology and Physiopathology, Guilin Medical University, Guilin, Guangxi 541004, China
- Department of Cardiology, First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Keng Huang
- Department of Emergency, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Yang Liu
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Huan Zhang
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - En Lin
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Yang Zeng
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Haihong Li
- Department of Burn and Plastic Surgery, Second Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515000, China
| | - Yanming Xu
- Department of Cell Biology, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Bozhi Cai
- Tissue Engineering Laboratory, First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Yanping Yuan
- Tissue Engineering Laboratory, First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Yu Li
- Tissue Engineering Laboratory, First Affiliated Hospital, Shantou University Medical College, Shantou, Guangdong 515041, China
| | - Changmin Lin
- Department of Histology and Embryology, Shantou University Medical College, Shantou, Guangdong 515041, China
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152
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Thulabandu V, Chen D, Atit RP. Dermal fibroblast in cutaneous development and healing. WILEY INTERDISCIPLINARY REVIEWS-DEVELOPMENTAL BIOLOGY 2017; 7. [PMID: 29244903 DOI: 10.1002/wdev.307] [Citation(s) in RCA: 110] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 09/27/2017] [Accepted: 10/07/2017] [Indexed: 01/09/2023]
Abstract
The skin is the largest organ of the body and is composed of two layers: the overlying epidermis and the underlying dermis. The dermal fibroblasts originate from distinct locations of the embryo and contain the positional identity and patterning information in the skin. The dermal fibroblast progenitors differentiate into various cell types that are fated to perform specific functions such as hair follicle initiation and scar formation during wound healing. Recent studies have revealed the heterogeneity and plasticity of dermal fibroblasts within skin, which has implications for skin disease and tissue engineering. The objective of this review is to frame our current understanding and provide new insights on the origin and differentiation of dermal fibroblasts and their function during cutaneous development and healing. WIREs Dev Biol 2018, 7:e307. doi: 10.1002/wdev.307 This article is categorized under: Birth Defects > Organ Anomalies Signaling Pathways > Cell Fate Signaling Adult Stem Cells, Tissue Renewal, and Regeneration > Regeneration Nervous System Development > Vertebrates: Regional Development.
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Affiliation(s)
- Venkata Thulabandu
- Department of Biology, Case Western Reserve University, Cleveland, OH, USA
| | - Demeng Chen
- Department of Biology, Case Western Reserve University, Cleveland, OH, USA
| | - Radhika P Atit
- Department of Biology, Case Western Reserve University, Cleveland, OH, USA
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153
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Roles of the Hedgehog Signaling Pathway in Epidermal and Hair Follicle Development, Homeostasis, and Cancer. J Dev Biol 2017; 5:jdb5040012. [PMID: 29615568 PMCID: PMC5831796 DOI: 10.3390/jdb5040012] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 11/15/2017] [Accepted: 11/18/2017] [Indexed: 12/15/2022] Open
Abstract
The epidermis is the outermost layer of the skin and provides a protective barrier against environmental insults. It is a rapidly-renewing tissue undergoing constant regeneration, maintained by several types of stem cells. The Hedgehog (HH) signaling pathway is one of the fundamental signaling pathways that contributes to epidermal development, homeostasis, and repair, as well as to hair follicle development and follicle bulge stem cell maintenance. The HH pathway interacts with other signal transduction pathways, including those activated by Wnt, bone morphogenetic protein, platelet-derived growth factor, Notch, and ectodysplasin. Furthermore, aberrant activation of HH signaling is associated with various tumors, including basal cell carcinoma. Therefore, an understanding of the regulatory mechanisms of the HH signaling pathway is important for elucidating fundamental mechanisms underlying both organogenesis and carcinogenesis. In this review, we discuss the role of the HH signaling pathway in the development and homeostasis epidermis and hair follicles, and in basal cell carcinoma formation, providing an update of current knowledge in this field.
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154
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Michel L, Reygagne P, Benech P, Jean-Louis F, Scalvino S, Ly Ka So S, Hamidou Z, Bianovici S, Pouch J, Ducos B, Bonnet M, Bensussan A, Patatian A, Lati E, Wdzieczak-Bakala J, Choulot JC, Loing E, Hocquaux M. Study of gene expression alteration in male androgenetic alopecia: evidence of predominant molecular signalling pathways. Br J Dermatol 2017; 177:1322-1336. [PMID: 28403520 DOI: 10.1111/bjd.15577] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/07/2017] [Indexed: 01/01/2023]
Abstract
BACKGROUND Male androgenetic alopecia (AGA) is the most common form of hair loss in men. It is characterized by a distinct pattern of progressive hair loss starting from the frontal area and the vertex of the scalp. Although several genetic risk loci have been identified, relevant genes for AGA remain to be defined. OBJECTIVES To identify biomarkers associated with AGA. METHODS Molecular biomarkers associated with premature AGA were identified through gene expression analysis using cDNA generated from scalp vertex biopsies of hairless or bald men with premature AGA, and healthy volunteers. RESULTS This monocentric study reveals that genes encoding mast cell granule enzymes, inflammatory mediators and immunoglobulin-associated immune mediators were significantly overexpressed in AGA. In contrast, underexpressed genes appear to be associated with the Wnt/β-catenin and bone morphogenic protein/transforming growth factor-β signalling pathways. Although involvement of these pathways in hair follicle regeneration is well described, functional interpretation of the transcriptomic data highlights different events that account for their inhibition. In particular, one of these events depends on the dysregulated expression of proopiomelanocortin, as confirmed by polymerase chain reaction and immunohistochemistry. In addition, lower expression of CYP27B1 in patients with AGA supports the notion that changes in vitamin D metabolism contributes to hair loss. CONCLUSIONS This study provides compelling evidence for distinct molecular events contributing to alopecia that may pave the way for new therapeutic approaches.
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Affiliation(s)
- L Michel
- Inserm UMR976, Skin Research Institute, F-75475, Paris, France.,University Paris Diderot, Sorbonne Paris-Cité, Hôpital Saint-Louis, F-75475, Paris, France
| | - P Reygagne
- Centre Sabouraud, F-75475, Paris, France
| | - P Benech
- NICN UMR 7259 CNRS Faculté de Médecine, 13344, Marseille, France.,GENEX, 91160, Longjumeau, France
| | - F Jean-Louis
- Inserm UMR976, Skin Research Institute, F-75475, Paris, France.,University Paris Diderot, Sorbonne Paris-Cité, Hôpital Saint-Louis, F-75475, Paris, France
| | - S Scalvino
- Laboratoire BIO-EC, 91160, Longjumeau, France
| | - S Ly Ka So
- Inserm UMR976, Skin Research Institute, F-75475, Paris, France
| | - Z Hamidou
- Centre Sabouraud, F-75475, Paris, France
| | | | - J Pouch
- Plateforme de qPCR à Haut Débit Genomic Paris Centre, IBENS, 75005, Paris, France
| | - B Ducos
- Plateforme de qPCR à Haut Débit Genomic Paris Centre, IBENS, 75005, Paris, France.,Laboratoire de Physique Statistique, École Normale Supérieure, PSL Research University, University Paris Diderot, Sorbonne Paris-Cité, CNRS, 75005, Paris, France
| | - M Bonnet
- Inserm UMR976, Skin Research Institute, F-75475, Paris, France
| | - A Bensussan
- Inserm UMR976, Skin Research Institute, F-75475, Paris, France.,University Paris Diderot, Sorbonne Paris-Cité, Hôpital Saint-Louis, F-75475, Paris, France
| | | | - E Lati
- GENEX, 91160, Longjumeau, France.,Laboratoire BIO-EC, 91160, Longjumeau, France
| | | | | | - E Loing
- IEB-Lucas Meyer Cosmetics, 31520, Ramonville, France
| | - M Hocquaux
- IEB-Lucas Meyer Cosmetics, 31520, Ramonville, France
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155
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Zhu YB, Wang ZY, Yin RH, Jiao Q, Zhao SJ, Cong YY, Xue HL, Guo D, Wang SQ, Zhu YX, Bai WL. A lncRNA-H19 transcript from secondary hair follicle of Liaoning cashmere goat: Identification, regulatory network and expression regulated potentially by its promoter methylation. Gene 2017; 641:78-85. [PMID: 29054756 DOI: 10.1016/j.gene.2017.10.028] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2017] [Revised: 09/21/2017] [Accepted: 10/10/2017] [Indexed: 12/25/2022]
Abstract
The H19 transcript (imprinted maternally expressed transcript) is well-known as long noncoding RNA (lncRNA), and it is thought to be associated with the inductive capacity of dermal papilla cells for hair-follicle reconstruction. In this study, we isolated and characterized a lncRNA-H19 transcript from the secondary hair follicle of Liaoning cashmere goat. Also, we investigated its transcriptional pattern and methylation status of H19 gene in secondary hair follicle of this breed during different stages of hair follicle cycle. Nucleotide composition analysis indicated that guanine (G) and cytosine (C) are the dominant nucleotides in the lncRNA-H19 transcript of Liaoning cashmere goat with the highest frequency distribution (11.25%) of GG nucleotide pair. The regulatory network showed that lncRNA-H19 transcript appears to have remarkably diverse regulatory relationships with its related miRNAs and the potential target genes. In secondary hair follicle, the relative expression of lncRNA-H19 transcript at the anagen phase is significantly higher than that at both telogen and catagen phases suggesting that lncRNA-H19 transcript might play essential roles in the formation and growth of cashmere fiber of goat. Methylation analysis indicated that the methylation of the promoter region of H19 gene most likely participates in its transcriptional suppression in secondary hair follicle of Liaoning cashmere goat.
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Affiliation(s)
- Yu B Zhu
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Ze Y Wang
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Rong H Yin
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Qian Jiao
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Su J Zhao
- Sichuan Animal Science Academy, Chengdu 610066, PR China
| | - Yu Y Cong
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Hui L Xue
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, PR China
| | - Dan Guo
- Academy of Animal Husbandry Science of Liaoning Province, Liaoyang 130062, PR China
| | - Shi Q Wang
- Academy of Animal Husbandry Science of Liaoning Province, Liaoyang 130062, PR China
| | - Yan X Zhu
- Academy of Animal Husbandry Science of Liaoning Province, Liaoyang 130062, PR China
| | - Wen L Bai
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang 110866, PR China.
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156
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Hair Germ Model In Vitro via Human Postnatal Keratinocyte-Dermal Papilla Interactions: Impact of Hyaluronic Acid. Stem Cells Int 2017; 2017:9271869. [PMID: 29129979 PMCID: PMC5654293 DOI: 10.1155/2017/9271869] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 06/27/2017] [Accepted: 07/19/2017] [Indexed: 02/01/2023] Open
Abstract
Hair follicle (HF) reconstruction in vitro is a promising field in alopecia treatment and human HF development research. Here, we combined postnatal human dermal papilla (DP) cells and skin epidermal keratinocytes (KCs) in a hanging drop culture to develop an artificial HF germ. The method is based on DP cell hair-inducing properties and KC self-organization. We evaluated two protocols of aggregate assembling. Mixed HF germ-like structures demonstrated the initiation of epithelial-mesenchymal interaction, including WNT pathway activation and expression of follicular markers. We analyzed the influence of possible DP cell niche components including soluble factors and extracellular matrix (ECM) molecules in the process of the organoid assembling and growth. Our results demonstrated that soluble factors had little impact on HF germ generation and Ki67+ cell score inside the organoids although BMP6 and VD3 maintained effectively the DP identity in the monolayer culture. Aggrecan, biglycan, fibronectin, and hyaluronic acid (HA) significantly stimulated cell proliferation in DP cell monolayer culture without any effect on DP cell identity. Most of ECM compounds prevented the formation of cell aggregates while HA promoted the formation of larger organoids. In conclusion, our model could be suitable to study cell-cell and cell-niche interactions during HF reconstruction in vitro.
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157
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Yi R. Concise Review: Mechanisms of Quiescent Hair Follicle Stem Cell Regulation. Stem Cells 2017; 35:2323-2330. [PMID: 28856849 DOI: 10.1002/stem.2696] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 08/02/2017] [Accepted: 08/14/2017] [Indexed: 01/08/2023]
Abstract
Maintaining a pool of adult stem cells is essential for tissue homeostasis and wound repair. In mammalian tissues, notably hair follicles, blood, and muscle, stem cells acquire quiescence and infrequently divide for self-renewal. Mechanistic understanding of stem cell quiescence is critical for applying these multipotent cells in regenerative medicine and interrogating their roles in human diseases such as cancer. Quiescent and dividing epithelial stem cells located in hair follicle are conspicuously organized in a spatiotemporally specific manner, allowing them to be studied at a considerable depth. Recent advancements in mouse genetics, genomics, and imaging have revealed unprecedented insights into establishment, maintenance, and regulation of quiescent hair follicle stem cells. This concise review summarizes the progress with a focus on mechanisms mediated by signaling pathways and transcription factors and discusses their implications in the understanding of stem cell biology. Stem Cells 2017;35:2323-2330.
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Affiliation(s)
- Rui Yi
- Department of Molecular, Cellular, and Developmental Biology, University of Colorado Boulder, Boulder, Colorado, USA
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158
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Efficacy of topical tofacitinib in promoting hair growth in non-scarring alopecia: possible mechanism via VEGF induction. Arch Dermatol Res 2017; 309:729-738. [DOI: 10.1007/s00403-017-1777-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2017] [Revised: 08/12/2017] [Accepted: 08/31/2017] [Indexed: 01/15/2023]
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159
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Talavera-Adame D, Newman D, Newman N. Conventional and novel stem cell based therapies for androgenic alopecia. Stem Cells Cloning 2017; 10:11-19. [PMID: 28979149 PMCID: PMC5588753 DOI: 10.2147/sccaa.s138150] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
The prevalence of androgenic alopecia (AGA) increases with age and it affects both men and women. Patients diagnosed with AGA may experience decreased quality of life, depression, and feel self-conscious. There are a variety of therapeutic options ranging from prescription drugs to non-prescription medications. Currently, AGA involves an annual global market revenue of US$4 billion and a growth rate of 1.8%, indicating a growing consumer market. Although natural and synthetic ingredients can promote hair growth and, therefore, be useful to treat AGA, some of them have important adverse effects and unknown mechanisms of action that limit their use and benefits. Biologic factors that include signaling from stem cells, dermal papilla cells, and platelet-rich plasma are some of the current therapeutic agents being studied for hair restoration with milder side effects. However, most of the mechanisms exerted by these factors in hair restoration are still being researched. In this review, we analyze the therapeutic agents that have been used for AGA and emphasize the potential of new therapies based on advances in stem cell technologies and regenerative medicine.
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Affiliation(s)
| | | | - Nathan Newman
- American Advanced Medical Corp. (Private Practice), Beverly Hills, CA
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160
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Bai WL, Zhao SJ, Wang ZY, Zhu YB, Dang YL, Cong YY, Xue HL, Wang W, Deng L, Guo D, Wang SQ, Zhu YX, Yin RH. LncRNAs in Secondary Hair Follicle of Cashmere Goat: Identification, Expression, and Their Regulatory Network in Wnt Signaling Pathway. Anim Biotechnol 2017; 29:199-211. [PMID: 28846493 DOI: 10.1080/10495398.2017.1356731] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Long noncoding RNAs (lncRNAs) are a novel class of eukaryotic transcripts. They are thought to act as a critical regulator of protein-coding gene expression. Herein, we identified and characterized 13 putative lncRNAs from the expressed sequence tags from secondary hair follicle of Cashmere goat. Furthermore, we investigated their transcriptional pattern in secondary hair follicle of Liaoning Cashmere goat during telogen and anagen phases. Also, we generated intracellular regulatory networks of upregulated lncRNAs at anagen in Wnt signaling pathway based on bioinformatics analysis. The relative expression of six putative lncRNAs (lncRNA-599618, -599556, -599554, -599547, -599531, and -599509) at the anagen phase is significantly higher than that at telogen. Compared with anagen, the relative expression of four putative lncRNAs (lncRNA-599528, -599518, -599511, and -599497) was found to be significantly upregulated at telogen phase. The network generated showed that a rich and complex regulatory relationship of the putative lncRNAs and related miRNAs with their target genes in Wnt signaling pathway. Our results from the present study provided a foundation for further elucidating the functional and regulatory mechanisms of these putative lncRNAs in the development of secondary hair follicle and cashmere fiber growth of Cashmere goat.
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Affiliation(s)
- Wen L Bai
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
| | - Su J Zhao
- b Institute of Biotechnology , Sichuan Animal Science Academy , Chengdu , P. R. China
| | - Ze Y Wang
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
| | - Yu B Zhu
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
| | - Yun L Dang
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
| | - Yu Y Cong
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
| | - Hui L Xue
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
| | - Wei Wang
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
| | - Liang Deng
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
| | - Dan Guo
- c Academy of Animal Husbandry Science of Liaoning Province , Liaoyang , P. R. China
| | - Shi Q Wang
- c Academy of Animal Husbandry Science of Liaoning Province , Liaoyang , P. R. China
| | - Yan X Zhu
- c Academy of Animal Husbandry Science of Liaoning Province , Liaoyang , P. R. China
| | - Rong H Yin
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , P. R. China
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161
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Bolormaa S, Swan AA, Brown DJ, Hatcher S, Moghaddar N, van der Werf JH, Goddard ME, Daetwyler HD. Multiple-trait QTL mapping and genomic prediction for wool traits in sheep. Genet Sel Evol 2017; 49:62. [PMID: 28810834 PMCID: PMC5558709 DOI: 10.1186/s12711-017-0337-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Accepted: 07/31/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The application of genomic selection to sheep breeding could lead to substantial increases in profitability of wool production due to the availability of accurate breeding values from single nucleotide polymorphism (SNP) data. Several key traits determine the value of wool and influence a sheep's susceptibility to fleece rot and fly strike. Our aim was to predict genomic estimated breeding values (GEBV) and to compare three methods of combining information across traits to map polymorphisms that affect these traits. METHODS GEBV for 5726 Merino and Merino crossbred sheep were calculated using BayesR and genomic best linear unbiased prediction (GBLUP) with real and imputed 510,174 SNPs for 22 traits (at yearling and adult ages) including wool production and quality, and breech conformation traits that are associated with susceptibility to fly strike. Accuracies of these GEBV were assessed using fivefold cross-validation. We also devised and compared three approximate multi-trait analyses to map pleiotropic quantitative trait loci (QTL): a multi-trait genome-wide association study and two multi-trait methods that use the output from BayesR analyses. One BayesR method used local GEBV for each trait, while the other used the posterior probabilities that a SNP had an effect on each trait. RESULTS BayesR and GBLUP resulted in similar average GEBV accuracies across traits (~0.22). BayesR accuracies were highest for wool yield and fibre diameter (>0.40) and lowest for skin quality and dag score (<0.10). Generally, accuracy was higher for traits with larger reference populations and higher heritability. In total, the three multi-trait analyses identified 206 putative QTL, of which 20 were common to the three analyses. The two BayesR multi-trait approaches mapped QTL in a more defined manner than the multi-trait GWAS. We identified genes with known effects on hair growth (i.e. FGF5, STAT3, KRT86, and ALX4) near SNPs with pleiotropic effects on wool traits. CONCLUSIONS The mean accuracy of genomic prediction across wool traits was around 0.22. The three multi-trait analyses identified 206 putative QTL across the ovine genome. Detailed phenotypic information helped to identify likely candidate genes.
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Affiliation(s)
- Sunduimijid Bolormaa
- Agriculture Victoria Research, AgriBio Centre, Bundoora, VIC, 3083, Australia. .,Cooperative Research Centre for Sheep Industry Innovation, Armidale, NSW, 2351, Australia.
| | - Andrew A Swan
- Animal Genetics and Breeding Unit, University of New England, Armidale, NSW, 2351, Australia.,Cooperative Research Centre for Sheep Industry Innovation, Armidale, NSW, 2351, Australia
| | - Daniel J Brown
- Animal Genetics and Breeding Unit, University of New England, Armidale, NSW, 2351, Australia.,Cooperative Research Centre for Sheep Industry Innovation, Armidale, NSW, 2351, Australia
| | - Sue Hatcher
- NSW Department of Primary Industries, Orange Agricultural Institute, Orange, NSW, 2800, Australia.,Cooperative Research Centre for Sheep Industry Innovation, Armidale, NSW, 2351, Australia
| | - Nasir Moghaddar
- School of Environmental and Rural Science, University of New England, Armidale, NSW, 2351, Australia.,Cooperative Research Centre for Sheep Industry Innovation, Armidale, NSW, 2351, Australia
| | - Julius H van der Werf
- School of Environmental and Rural Science, University of New England, Armidale, NSW, 2351, Australia.,Cooperative Research Centre for Sheep Industry Innovation, Armidale, NSW, 2351, Australia
| | - Michael E Goddard
- Agriculture Victoria Research, AgriBio Centre, Bundoora, VIC, 3083, Australia.,School of Land and Environment, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Hans D Daetwyler
- Agriculture Victoria Research, AgriBio Centre, Bundoora, VIC, 3083, Australia.,School of Applied Systems Biology, La Trobe University, Bundoora, VIC, 3086, Australia.,Cooperative Research Centre for Sheep Industry Innovation, Armidale, NSW, 2351, Australia
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162
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Lu CP, Polak L, Keyes BE, Fuchs E. Spatiotemporal antagonism in mesenchymal-epithelial signaling in sweat versus hair fate decision. Science 2017; 354:354/6319/aah6102. [PMID: 28008008 DOI: 10.1126/science.aah6102] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Revised: 09/16/2016] [Accepted: 11/18/2016] [Indexed: 12/12/2022]
Abstract
The gain of eccrine sweat glands in hairy body skin has empowered humans to run marathons and tolerate temperature extremes. Epithelial-mesenchymal cross-talk is integral to the diverse patterning of skin appendages, but the molecular events underlying their specification remain largely unknown. Using genome-wide analyses and functional studies, we show that sweat glands are specified by mesenchymal-derived bone morphogenetic proteins (BMPs) and fibroblast growth factors that signal to epithelial buds and suppress epithelial-derived sonic hedgehog (SHH) production. Conversely, hair follicles are specified when mesenchymal BMP signaling is blocked, permitting SHH production. Fate determination is confined to a critical developmental window and is regionally specified in mice. In contrast, a shift from hair to gland fates is achieved in humans when a spike in BMP silences SHH during the final embryonic wave(s) of bud morphogenesis.
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Affiliation(s)
- Catherine P Lu
- Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Lisa Polak
- Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Brice E Keyes
- Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA
| | - Elaine Fuchs
- Laboratory of Mammalian Cell Biology and Development, The Rockefeller University, New York, NY 10065, USA. .,Howard Hughes Medical Institute, Chevy Chase, MD, 20815-6789, USA
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163
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Guo H, Gao WV, Endo H, McElwee KJ. Experimental and early investigational drugs for androgenetic alopecia. Expert Opin Investig Drugs 2017; 26:917-932. [DOI: 10.1080/13543784.2017.1353598] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Hongwei Guo
- Department of Dermatology and Skin Science, University of British Columbia, Vancouver, Canada
- Department of Dermatology, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China
| | - Wendi Victor Gao
- Department of Dermatology and Skin Science, University of British Columbia, Vancouver, Canada
| | - Hiromi Endo
- Department of Dermatology and Skin Science, University of British Columbia, Vancouver, Canada
- Department of Dermatology, Ohashi Hospital, Toho University, Tokyo, Japan
| | - Kevin John McElwee
- Department of Dermatology and Skin Science, University of British Columbia, Vancouver, Canada
- Vancouver Coastal Health Research Institute, Vancouver, Canada
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Kalabusheva EP, Chermnykh ES, Terskikh VV, Vorotelyak EA. Preservation of a specialized phenotype of dermal papilla cells of a human hair follicle under cultivation conditions. BIOL BULL+ 2017. [DOI: 10.1134/s1062359017040069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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165
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Huang WY, Huang YC, Huang KS, Chan CC, Chiu HY, Tsai RY, Chan JY, Lin SJ. Stress-induced premature senescence of dermal papilla cells compromises hair follicle epithelial-mesenchymal interaction. J Dermatol Sci 2017; 86:114-122. [DOI: 10.1016/j.jdermsci.2017.01.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Revised: 11/24/2016] [Accepted: 01/05/2017] [Indexed: 12/11/2022]
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166
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Xiao SE, Miao Y, Wang J, Jiang W, Fan ZX, Liu XM, Hu ZQ. As a carrier-transporter for hair follicle reconstitution, platelet-rich plasma promotes proliferation and induction of mouse dermal papilla cells. Sci Rep 2017; 7:1125. [PMID: 28442778 PMCID: PMC5430928 DOI: 10.1038/s41598-017-01105-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Accepted: 03/03/2017] [Indexed: 12/19/2022] Open
Abstract
Morphogenesis of hair follicles during development and in hair reconstitution assays involves complex interactions between epithelial cells and dermal papilla cells (DPCs). DPCs may be a source of cells for hair regeneration in alopecia patients. Reconstitution of engineered hair follicles requires in vitro culture of trichogenic cells, a three-dimensional scaffolds, and biomolecular signals. However, DPCs tend to lose their biological activity when cultured as trichogenic cells, and scaffolds currently used for hair follicle regeneration lack biological efficiency and biocompatibility. Platelet-rich plasma (PRP) gel forms a three-dimensional scaffold that can release endogenous growth factors, is mitogenic for a variety of cell types and is used in model tissue repair and regeneration systems. We found that 5% activated PRP significantly enhanced cell proliferation and hair-inductive capability of mouse and human DPCs in vitro and promoted mouse hair follicle formation in vivo. PRP also formed a three-dimensional gel after activation. We used PRP gel as a scaffold to form many de novo hair follicles on a plane surface, showing it to be candidate bioactive scaffold capable of releasing endogenous growth factors for cell-based hair follicle regeneration.
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Affiliation(s)
- Shun-E Xiao
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Yong Miao
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Jin Wang
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Wei Jiang
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Zhe-Xiang Fan
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Xiao-Min Liu
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China
| | - Zhi-Qi Hu
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, Guangdong, 510515, China.
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167
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Yang H, Adam RC, Ge Y, Hua ZL, Fuchs E. Epithelial-Mesenchymal Micro-niches Govern Stem Cell Lineage Choices. Cell 2017; 169:483-496.e13. [PMID: 28413068 DOI: 10.1016/j.cell.2017.03.038] [Citation(s) in RCA: 171] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 02/09/2017] [Accepted: 03/23/2017] [Indexed: 01/19/2023]
Abstract
Adult tissue stem cells (SCs) reside in niches, which, through intercellular contacts and signaling, influence SC behavior. Once activated, SCs typically give rise to short-lived transit-amplifying cells (TACs), which then progress to differentiate into their lineages. Here, using single-cell RNA-seq, we unearth unexpected heterogeneity among SCs and TACs of hair follicles. We trace the roots of this heterogeneity to micro-niches along epithelial-mesenchymal interfaces, where progenitors display molecular signatures reflective of spatially distinct local signals and intercellular interactions. Using lineage tracing, temporal single-cell analyses, and chromatin landscaping, we show that SC plasticity becomes restricted in a sequentially and spatially choreographed program, culminating in seven spatially arranged unilineage progenitors within TACs of mature follicles. By compartmentalizing SCs into micro-niches, tissues gain precise control over morphogenesis and regeneration: some progenitors specify lineages immediately, whereas others retain potency, preserving self-renewing features established early while progressively restricting lineages as they experience dynamic changes in microenvironment.
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Affiliation(s)
- Hanseul Yang
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, The Rockefeller University, New York, NY 10065, USA
| | - Rene C Adam
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, The Rockefeller University, New York, NY 10065, USA
| | - Yejing Ge
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, The Rockefeller University, New York, NY 10065, USA
| | - Zhong L Hua
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, The Rockefeller University, New York, NY 10065, USA
| | - Elaine Fuchs
- Robin Neustein Laboratory of Mammalian Development and Cell Biology, The Rockefeller University, New York, NY 10065, USA; Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA.
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168
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Wu HJ, Oh JW, Spandau DF, Tholpady S, Diaz J, Schroeder LJ, Offutt CD, Glick AB, Plikus MV, Koyama S, Foley J. Estrogen modulates mesenchyme-epidermis interactions in the adult nipple. Development 2017; 144:1498-1509. [PMID: 28289136 DOI: 10.1242/dev.141630] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 03/03/2017] [Indexed: 12/26/2022]
Abstract
Maintenance of specialized epidermis requires signals from the underlying mesenchyme; however, the specific pathways involved remain to be identified. By recombining cells from the ventral skin of the K14-PTHrP transgenic mice [which overexpress parathyroid hormone-related protein (PTHrP) in their developing epidermis and mammary glands] with those from wild type, we show that transgenic stroma is sufficient to reprogram wild-type keratinocytes into nipple-like epidermis. To identify candidate nipple-specific signaling factors, we compared gene expression signatures of sorted Pdgfrα-positive ventral K14-PTHrP and wild-type fibroblasts, identifying differentially expressed transcripts that are involved in WNT, HGF, TGFβ, IGF, BMP, FGF and estrogen signaling. Considering that some of the growth factor pathways are targets for estrogen regulation, we examined the upstream role of this hormone in maintaining the nipple. Ablation of estrogen signaling through ovariectomy produced nipples with abnormally thin epidermis, and we identified TGFβ as a negatively regulated target of estrogen signaling. Estrogen treatment represses Tgfβ1 at the transcript and protein levels in K14-PTHrP fibroblasts in vitro, while ovariectomy increases Tgfb1 levels in K14-PTHrP ventral skin. Moreover, ectopic delivery of Tgfβ1 protein into nipple connective tissue reduced epidermal proliferation. Taken together, these results show that specialized nipple epidermis is maintained by estrogen-induced repression of TGFβ signaling in the local fibroblasts.
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Affiliation(s)
- Hsing-Jung Wu
- Medical Sciences Program, Indiana University School of Medicine, Bloomington, IN 47405, USA
| | - Ji Won Oh
- Department of Developmental and Cell Biology, Sue and Bill Gross Stem Cell Research Center, Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA.,Department of Anatomy, School of Medicine, Kyungpook National University, Daegu, 41944, Korea.,Biomedical Research Institute, Kyungpook National University Hospital, Daegu, 41944, Korea
| | - Dan F Spandau
- Department of Dermatology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Sunil Tholpady
- Department of Surgery, Indiana University School of Medicine, Indianapolis, IN 46202, USA
| | - Jesus Diaz
- Medical Sciences Program, Indiana University School of Medicine, Bloomington, IN 47405, USA
| | - Laura J Schroeder
- Medical Sciences Program, Indiana University School of Medicine, Bloomington, IN 47405, USA
| | - Carlos D Offutt
- Medical Sciences Program, Indiana University School of Medicine, Bloomington, IN 47405, USA
| | - Adam B Glick
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Maksim V Plikus
- Department of Developmental and Cell Biology, Sue and Bill Gross Stem Cell Research Center, Center for Complex Biological Systems, University of California Irvine, Irvine, CA 92697, USA
| | - Sachiko Koyama
- Medical Sciences Program, Indiana University School of Medicine, Bloomington, IN 47405, USA
| | - John Foley
- Medical Sciences Program, Indiana University School of Medicine, Bloomington, IN 47405, USA .,Department of Dermatology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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169
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Veraitch O, Mabuchi Y, Matsuzaki Y, Sasaki T, Okuno H, Tsukashima A, Amagai M, Okano H, Ohyama M. Induction of hair follicle dermal papilla cell properties in human induced pluripotent stem cell-derived multipotent LNGFR(+)THY-1(+) mesenchymal cells. Sci Rep 2017; 7:42777. [PMID: 28220862 PMCID: PMC5318903 DOI: 10.1038/srep42777] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Accepted: 01/16/2017] [Indexed: 12/19/2022] Open
Abstract
The dermal papilla (DP) is a specialised mesenchymal component of the hair follicle (HF) that plays key roles in HF morphogenesis and regeneration. Current technical difficulties in preparing trichogenic human DP cells could be overcome by the use of highly proliferative and plastic human induced pluripotent stem cells (hiPSCs). In this study, hiPSCs were differentiated into induced mesenchymal cells (iMCs) with a bone marrow stromal cell phenotype. A highly proliferative and plastic LNGFR(+)THY-1(+) subset of iMCs was subsequently programmed using retinoic acid and DP cell activating culture medium to acquire DP properties. The resultant cells (induced DP-substituting cells [iDPSCs]) exhibited up-regulated DP markers, interacted with human keratinocytes to up-regulate HF related genes, and when co-grafted with human keratinocytes in vivo gave rise to fibre structures with a hair cuticle-like coat resembling the hair shaft, as confirmed by scanning electron microscope analysis. Furthermore, iDPSCs responded to the clinically used hair growth reagent, minoxidil sulfate, to up-regulate DP genes, further supporting that they were capable of, at least in part, reproducing DP properties. Thus, LNGFR(+)THY-1(+) iMCs may provide material for HF bioengineering and drug screening for hair diseases.
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Affiliation(s)
- Ophelia Veraitch
- Department of Dermatology, Keio University School of Medicine 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Yo Mabuchi
- Department of Physiology, Keio University School of Medicine 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Department of Biochemistry and Biophysics, Graduate School of Health Care Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Yumi Matsuzaki
- Department of Physiology, Keio University School of Medicine 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Laboratory of Tumor Biology, Department of Life Sciences, Faculty of Medicine, Shimane University, Shiojicho 89-1, Izumo-shi, Shimane, 693-8501, Japan
| | - Takashi Sasaki
- KOSÉ Endowed Program for Skin Care and Allergy Prevention, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hironobu Okuno
- Department of Physiology, Keio University School of Medicine 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Aki Tsukashima
- Department of Dermatology, Keio University School of Medicine 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Department of Dermatology, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka-shi, Tokyo, Japan
| | - Masayuki Amagai
- Department of Dermatology, Keio University School of Medicine 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
| | - Manabu Ohyama
- Department of Dermatology, Keio University School of Medicine 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan
- Department of Dermatology, Kyorin University School of Medicine, 6-20-2 Shinkawa, Mitaka-shi, Tokyo, Japan
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170
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171
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Bai WL, Dang YL, Yin RH, Jiang WQ, Wang ZY, Zhu YB, Wang SQ, Zhao YY, Deng L, Luo GB, Yang SH. Differential Expression of microRNAs and their Regulatory Networks in Skin Tissue of Liaoning Cashmere Goat during Hair Follicle Cycles. Anim Biotechnol 2016; 27:104-12. [PMID: 26913551 DOI: 10.1080/10495398.2015.1105240] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
MicroRNAs (miRNAs) are endogenous small noncoding RNA molecules that negatively regulate gene expression. Herein, we investigated a selective number of miRNAs for their expression in skin tissue of Liaoning Cashmere goat during hair follicle cycles, and their intracellular regulatory networks were constructed based on bioinformatics analysis. The relative expression of six miRNAs (mir-103-3p, -15b-5p, 17-5p, -200b, -25-3p, and -30c-5p) at anagen phase is significantly higher than that at catagen and/or telogen phases. In comparison to anagen, the relative expression of seven miRNAs (mir-148a-3p, -199a-3p, -199a-5p, -24-3p, -30a-5p, -30e-5p, and -29a-3p) was revealed to be significantly up-regulated at catagen and/or telogen stages. The network analyses of miRNAs indicated those miRNAs investigated might be directly or indirectly involved in several signaling pathways through their target genes. These results provided a foundation for further insight into the roles of these miRNAs in skin tissue of Liaoning Cashmere goat during hair follicle cycles.
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Affiliation(s)
- Wen L Bai
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Yun L Dang
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Rong H Yin
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Wu Q Jiang
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Ze Y Wang
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Yu B Zhu
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Shi Q Wang
- b Institute of Animal Husbandry Science of Liaoning Province , Liaoyang , China
| | - Ying Y Zhao
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Liang Deng
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Guang B Luo
- a College of Animal Science and Veterinary Medicine , Shenyang Agricultural University , Shenyang , China
| | - Shu H Yang
- b Institute of Animal Husbandry Science of Liaoning Province , Liaoyang , China
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172
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Ozeki N, Hase N, Mogi M, Nakata K. RETRACTED: New findings for dentin sialophosphoprotein studies: Applications of purified odontoblast-like cells derived from stem cells. J Oral Biosci 2016; 58:128-133. [PMID: 32512681 DOI: 10.1016/j.job.2016.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 06/15/2016] [Accepted: 06/29/2016] [Indexed: 10/21/2022]
Abstract
This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal). This article has been retracted at the request of the Authors. After the retraction of the article [Hiyama T, Ozeki N, Mogi M, Yamaguchi H, Kawai R, Nakata K, Kondo A, Nakamura H. 2013. Matrix Metalloproteinase-3 in Odontoblastic Cells Derived from Ips Cells: Unique Proliferation Response as Odontoblastic Cells Derived from ES Cells. PLoS ONE 8(12): e83563. doi:10.1371/journal.pone.0083563] which contained fabricated/falsified data, the authors attempted to confirm original data for the results presented in their related publications. As a result, they reached a conclusion that there were no original data for the results presented in several their publications. This article was written on the basis of the seven publications retracted or to be retracted and it is no longer reliable. Reference 24: N. Ozeki, M. Mogi, R. Kawai, H. Yamaguchi, T. Hiyama, K. Nakata, H. Nakamura Mouse-induced pluripotent stem cells differentiate into odontoblast-like cells with induction of altered adhesive and migratory phenotype of integrin PLoS One, 8 (2013), p. e80026 Reference 25:R. Kawai, N. Ozeki, H. Yamaguchi, T. Tanaka, K. Nakata, M. Mogi, H. Nakamura Mouse ES cells have a potential to differentiate into odontoblast-like cells using hanging drop method Oral Dis, 20 (2014), pp. 395-403 Reference 26:N. Ozeki, M. Mogi, H. Yamaguchi, T. Hiyama, R. Kawai, N. Hase, K. Nakata, H. Nakamura, R.H. Kramer Differentiation of human skeletal muscle stem cells into odontoblasts is dependent on induction of alpha1 integrin expression J Biol Chem, 289 (2014), pp. 14380-14391 Reference 42:N. Ozeki, N. Hase, R. Kawai, H. Yamaguchi, T. Hiyama, A. Kondo, K. Nakata, M. Mogi Unique proliferation response in odontoblastic cells derived from human skeletal muscle stem cells by cytokine-induced matrix metalloproteinase-3 Exp Cell Res, 331 (2015), pp. 105-114 Reference 43: N. Ozeki, N. Hase, H. Yamaguchi, T. Hiyama, R. Kawai, A. Kondo, K. Nakata, M. Mogi Polyphosphate induces matrix metalloproteinase-3-mediated proliferation of odontoblast-like cells derived from induced pluripotent stem cells Exp Cell Res, 333 (2015), pp. 303-315 Reference 44: N. Ozeki, R. Kawai, N. Hase, T. Hiyama, H. Yamaguchi, A. Kondo, K. Nakata, M. Mogi Alpha2 integrin, extracellular matrix metalloproteinase inducer, and matrix metalloproteinase-3 act sequentially to induce differentiation of mouse embryonic stem cells into odontoblast-like Exp Cell Res, 331 (2015), pp. 21-37 Reference 45: N. Ozeki, M. Mogi, N. Hase, T. Hiyama, H. Yamaguchi, R. Kawai, A. Kondo, T. Matsumoto, K. Nakata Autophagy-related gene 5 and Wnt5 signaling pathway requires differentiation of embryonic stem cells into odontoblast-like cells Exp Cell Res, 341 (2016), pp. 92-104 All of the authors except Nobuaki Ozeki have agreed to retract the article. Nobuaki Ozeki, the corresponding author and the first author of the article, left Aichi Gakuin University in March 2018, and does not respond to co-authors inquiries. The authors deeply regret this error and any inconvenience it may have caused.
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Affiliation(s)
- Nobuaki Ozeki
- Department of Endodontics, School of Dentistry, Aichi Gakuin University, Nagoya, Aichi 464-8651, Japan.
| | - Naoko Hase
- Department of Endodontics, School of Dentistry, Aichi Gakuin University, Nagoya, Aichi 464-8651, Japan
| | - Makio Mogi
- Department of Medicinal Biochemistry, School of Pharmacy, Aichi Gakuin University, Nagoya, Aichi 464-8650, Japan
| | - Kazuhiko Nakata
- Department of Endodontics, School of Dentistry, Aichi Gakuin University, Nagoya, Aichi 464-8651, Japan
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173
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Sari ARP, Rufaut NW, Jones LN, Sinclair RD. Characterization of Ovine Dermal Papilla Cell Aggregation. Int J Trichology 2016; 8:121-9. [PMID: 27625564 PMCID: PMC5007918 DOI: 10.4103/0974-7753.188966] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Context: The dermal papilla (DP) is a condensation of mesenchymal cells at the proximal end of the hair follicle, which determines hair shaft size and regulates matrix cell proliferation and differentiation. DP cells have the ability to regenerate new hair follicles. These cells tend to aggregate both in vitro and in vivo. This tendency is associated with the ability of papilla cells to induce hair growth. However, human papilla cells lose their hair-inducing activity in later passage number. Ovine DP cells are different from human DP cells since they do not lose their aggregative behavior or hair-inducing activity in culture. Nonetheless, our understanding of ovine DP cells is still limited. Aim: The aim of this study was to observe the expression of established DP markers in ovine cells and their association with aggregation. Subjects and Methods: Ovine DP cells from three different sheep were compared. Histochemistry, immunoflourescence, and polymerase chain reaction experiments were done to analyze the DP markers. Results: We found that ovine DP aggregates expressed all the 16 markers evaluated, including alkaline phosphatase and versican. Expression of the versican V0 and V3 isoforms, neural cell adhesion molecule, and corin was increased significantly with aggregation, while hey-1 expression was significantly decreased. Conclusions: Overall, the stable expression of numerous markers suggests that aggregating ovine DP cells have a similar phenotype to papillae in vivo. The stability of their molecular phenotype is consistent with their robust aggregative behavior and retained follicle-inducing activity after prolonged culture. Their phenotypic stability in culture contrasts with DP cells from other species, and suggests that a better understanding of ovine DP cells might provide opportunities to improve the hair-inducing activity and therapeutic potential of human cells.
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Affiliation(s)
| | - Nicholas Wolfgang Rufaut
- Department of Medicine, University of Melbourne, Parkville, Australia; Department of Dermatology, Epworth Hospital, Melbourne, Victoria, Australia
| | - Leslie Norman Jones
- Department of Medicine, University of Melbourne, Parkville, Australia; Department of Dermatology, Epworth Hospital, Melbourne, Victoria, Australia
| | - Rodney Daniel Sinclair
- Department of Medicine, University of Melbourne, Parkville, Australia; Department of Dermatology, Epworth Hospital, Melbourne, Victoria, Australia
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174
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Agabalyan NA, Borys BS, Sparks HD, Boon K, Raharjo EW, Abbasi S, Kallos MS, Biernaskie J. Enhanced Expansion and Sustained Inductive Function of Skin-Derived Precursor Cells in Computer-Controlled Stirred Suspension Bioreactors. Stem Cells Transl Med 2016; 6:434-443. [PMID: 28191777 PMCID: PMC5442802 DOI: 10.5966/sctm.2016-0133] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Accepted: 07/28/2016] [Indexed: 12/12/2022] Open
Abstract
Endogenous dermal stem cells (DSCs) reside in the adult hair follicle mesenchyme and can be isolated and grown in vitro as self‐renewing colonies called skin‐derived precursors (SKPs). Following transplantation into skin, SKPs can generate new dermis and reconstitute the dermal papilla and connective tissue sheath, suggesting they could have important therapeutic value for the treatment of skin disease (alopecia) or injury. Controlled cell culture processes must be developed to efficiently and safely generate sufficient stem cell numbers for clinical use. Compared with static culture, stirred‐suspension bioreactors generated fivefold greater expansion of viable SKPs. SKPs from each condition were able to repopulate the dermal stem cell niche within established hair follicles. Both conditions were also capable of inducing de novo hair follicle formation and exhibited bipotency, reconstituting the dermal papilla and connective tissue sheath, although the efficiency was significantly reduced in bioreactor‐expanded SKPs compared with static conditions. We conclude that automated bioreactor processing could be used to efficiently generate large numbers of autologous DSCs while maintaining their inherent regenerative function. Stem Cells Translational Medicine2017;6:434–443
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Affiliation(s)
- Natacha A. Agabalyan
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Breanna S. Borys
- Pharmaceutical Production Research Facility, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
- Department of Chemical and Petroleum Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
| | - Holly D. Sparks
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Kathryn Boon
- Pharmaceutical Production Research Facility, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, Alberta, Canada
| | - Eko W. Raharjo
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Sepideh Abbasi
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Michael S. Kallos
- Pharmaceutical Production Research Facility, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
- Department of Chemical and Petroleum Engineering, Schulich School of Engineering, University of Calgary, Calgary, Alberta, Canada
- Biomedical Engineering Graduate Program, University of Calgary, Calgary, Alberta, Canada
| | - Jeff Biernaskie
- Department of Comparative Biology and Experimental Medicine, Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada
- Alberta Children's Hospital Research Institute, Calgary, Alberta, Canada
- Hotchkiss Brain Institute, Calgary, Alberta, Canada
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175
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Wang X, Wang X, Liu J, Cai T, Guo L, Wang S, Wang J, Cao Y, Ge J, Jiang Y, Tredget EE, Cao M, Wu Y. Hair Follicle and Sebaceous Gland De Novo Regeneration With Cultured Epidermal Stem Cells and Skin-Derived Precursors. Stem Cells Transl Med 2016; 5:1695-1706. [PMID: 27458264 DOI: 10.5966/sctm.2015-0397] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Accepted: 05/12/2016] [Indexed: 12/17/2022] Open
Abstract
: Stem cell-based organ regeneration is purported to enable the replacement of impaired organs in the foreseeable future. Here, we demonstrated that a combination of cultured epidermal stem cells (Epi-SCs) derived from the epidermis and skin-derived precursors (SKPs) was capable of reconstituting functional hair follicles and sebaceous glands (SG). When Epi-SCs and SKPs were mixed in a hydrogel and implanted into an excisional wound in nude mice, the Epi-SCs formed de novo epidermis along with hair follicles, and SKPs contributed to dermal papilla in the neogenic hair follicles. Notably, a combination of culture-expanded Epi-SCs and SKPs derived from the adult human scalp were sufficient to generate hair follicles and hair. Bone morphogenetic protein 4, but not Wnts, sustained the expression of alkaline phosphatase in SKPs in vitro and the hair follicle-inductive property in vivo when SKPs were engrafted with neonatal epidermal cells into excisional wounds. In addition, Epi-SCs were capable of differentiating into sebocytes and formed de novo SGs, which excreted lipids as do normal SGs. Thus our results indicate that cultured Epi-SCs and SKPs are sufficient to generate de novo hair follicles and SGs, implying great potential to develop novel bioengineered skin substitutes with appendage genesis capacity. SIGNIFICANCE In postpartum humans, skin appendages lost in injury are not regenerated, despite the considerable achievement made in skin bioengineering. In this study, transplantation of a combination of culture-expanded epidermal stem cells and skin-derived progenitors from mice and adult humans led to de novo regeneration of functional hair follicles and sebaceous glands. The data provide transferable knowledge for the development of novel bioengineered skin substitutes with epidermal appendage regeneration capacity.
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Affiliation(s)
- Xiaoxiao Wang
- School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
- Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
| | - Xusheng Wang
- School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
- Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
| | - Jianjun Liu
- Medical Key Laboratory of Health Toxicology of Shenzhen, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
| | - Ting Cai
- School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
- Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
| | - Ling Guo
- Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
| | - Shujuan Wang
- State Key Laboratory Breeding Base-Shenzhen Key Laboratory of Chemical Biology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
| | - Jinmei Wang
- Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
| | - Yanpei Cao
- Clinical Research Center, University College Dublin, Belfield, Dublin, Ireland
| | - Jianfeng Ge
- School of Life Sciences, Tsinghua University, Beijing, People's Republic of China
- Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
| | - Yuyang Jiang
- State Key Laboratory Breeding Base-Shenzhen Key Laboratory of Chemical Biology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
| | - Edward E Tredget
- Wound Healing Research Group, Department of Surgery, University of Alberta, Edmonton, Alberta, Canada
| | - Mengjun Cao
- Shenzhen Fuhua Aesthetic Hospital, Shenzhen, People's Republic of China
| | - Yaojiong Wu
- Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, Beijing, People's Republic of China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua University, Beijing, People's Republic of China
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176
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Gemayel R, Chenette EJ. β-catenin signalling in dermal papilla cells leads to a hairy situation. FEBS J 2016; 283:2820-2. [PMID: 27450439 DOI: 10.1111/febs.13799] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Dermal papilla (DP) are specialised mesenchymal cells that activate the formation of new hair follicles. In this issue of The FEBS Journal, Zhang and colleagues show that enhancing the β-catenin signalling pathway in DP cells allows faster and denser hair growth, providing a potential target for hair loss treatments and for improving hair regeneration techniques.
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177
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Huang C, Du Y, Nabzdyk CS, Ogawa R, Koyama T, Orgill DP, Fu X. Regeneration of hair and other skin appendages: A microenvironment-centric view. Wound Repair Regen 2016; 24:759-766. [PMID: 27256925 DOI: 10.1111/wrr.12451] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 04/20/2016] [Accepted: 05/28/2016] [Indexed: 12/19/2022]
Abstract
Advances in skin regeneration have resulted in techniques and products that have allowed regeneration of both the dermis and epidermis. Yet complete skin regeneration requires the adnexal skin structures. Thus it is crucial to understand the regenerative potential of hair follicles where genetic, nutritional, and hormonal influences have important effects and are critical for skin regeneration. The follicular stem cell niche serves as an anatomical compartment, a structural unit, a functional integrator, and a dynamic regulator necessary to sustain internal homeostasis and respond to outside stimuli. In particular, mechanics such as pressure, compression, friction, traction, stretch, shear, and mechanical wounding can influence hair loss or growth. Relevant niche signaling pathways such as Wnt, bone morphogenetic protein, fibroblast growth factor, Shh, and Notch may yield potential targets for therapeutic interventions.
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Affiliation(s)
- Chenyu Huang
- Department of Plastic, Reconstructive and Aesthetic Surgery, Beijing Tsinghua Changgung Hospital, Medical Center, Tsinghua University, Beijing, China
| | - Yanan Du
- Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China
| | - Christoph S Nabzdyk
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.,Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Rei Ogawa
- Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Tokyo, Japan
| | | | - Dennis P Orgill
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Xiaobing Fu
- Institute of Basic Medical Science, The General Hospital of PLA, Beijing, China.
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178
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Zhou L, Yang K, Xu M, Andl T, Millar SE, Boyce S, Zhang Y. Activating β-catenin signaling in CD133-positive dermal papilla cells increases hair inductivity. FEBS J 2016; 283:2823-35. [PMID: 27312243 DOI: 10.1111/febs.13784] [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] [Received: 04/17/2016] [Revised: 06/06/2016] [Accepted: 06/15/2016] [Indexed: 12/26/2022]
Abstract
Bioengineering hair follicles using cells isolated from human tissue remains a difficult task. Dermal papilla (DP) cells are known to guide the growth and cycling activities of hair follicles by interacting with keratinocytes. However, DP cells quickly lose their inductivity during in vitro passaging. Rodent DP cell cultures need external addition of growth factors, including WNT and BMP molecules, to maintain the hair inductive property. CD133 is expressed by a subpopulation of DP cells that are capable of inducing hair follicle formation in vivo. We report here that expression of a stabilized form of β-catenin promoted clonal growth of CD133-positive (CD133+) DP cells in in vitro three-dimensional hydrogel culture while maintaining expression of DP markers, including alkaline phosphatase (AP), CD133, and integrin α8. After a 2-week in vitro culture, cultured CD133+ DP cells with up-regulated β-catenin activity led to an accelerated in vivo hair growth in reconstituted skin compared to control cells. Further analysis showed that matrix cell proliferation and differentiation were significantly promoted in hair follicles when β-catenin signaling was up-regulated in CD133+ DP cells. Our data highlight an important role for β-catenin signaling in promoting the inductive capability of CD133+ DP cells for in vitro expansion and in vivo hair follicle regeneration, which could potentially be applied to cultured human DP cells.
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Affiliation(s)
- Linli Zhou
- Division of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, OH, USA
| | - Kun Yang
- Division of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, OH, USA
| | - Mingang Xu
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, PA, USA
| | - Thomas Andl
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL, USA
| | - Sarah E Millar
- Department of Dermatology, Perelman School of Medicine, University of Pennsylvania, PA, USA
| | - Steven Boyce
- Department of Surgery, College of Medicine, University of Cincinnati, OH, USA.,Research Department, Shriners Hospitals for Children, Cincinnati, OH, USA
| | - Yuhang Zhang
- Division of Pharmaceutical Sciences, College of Pharmacy, University of Cincinnati, OH, USA
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179
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Budnick I, Hamburg-Shields E, Chen D, Torre E, Jarrell A, Akhtar-Zaidi B, Cordovan O, Spitale RC, Scacheri P, Atit RP. Defining the identity of mouse embryonic dermal fibroblasts. Genesis 2016; 54:415-30. [PMID: 27265328 DOI: 10.1002/dvg.22952] [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] [Received: 12/23/2015] [Revised: 06/01/2016] [Accepted: 06/01/2016] [Indexed: 01/14/2023]
Abstract
Embryonic dermal fibroblasts in the skin have the exceptional ability to initiate hair follicle morphogenesis and contribute to scarless wound healing. Activation of the Wnt signaling pathway is critical for dermal fibroblast fate selection and hair follicle induction. In humans, mutations in Wnt pathway components and target genes lead to congenital focal dermal hypoplasias with diminished hair. The gene expression signature of embryonic dermal fibroblasts during differentiation and its dependence on Wnt signaling is unknown. Here we applied Shannon entropy analysis to identify the gene expression signature of mouse embryonic dermal fibroblasts. We used available human DNase-seq and histone modification ChiP-seq data on various cell-types to demonstrate that genes in the fibroblast cell identity signature can be epigenetically repressed in other cell-types. We found a subset of the signature genes whose expression is dependent on Wnt/β-catenin activity in vivo. With our approach, we have defined and validated a statistically derived gene expression signature that may mediate dermal fibroblast identity and function in development and disease. genesis 54:415-430, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Isadore Budnick
- Department of Biology, Case Western Reserve University, Cleveland, Ohio
| | | | - Demeng Chen
- Department of Biology, Case Western Reserve University, Cleveland, Ohio
| | - Eduardo Torre
- Epithelial Biology Program, Department of Dermatology, Stanford University, California
| | - Andrew Jarrell
- Department of Biology, Case Western Reserve University, Cleveland, Ohio
| | - Batool Akhtar-Zaidi
- Department of Pharmaceutical Sciences, University of California, Irvine, California
| | - Olivia Cordovan
- Department of Pharmaceutical Sciences, University of California, Irvine, California
| | - Rob C Spitale
- Epithelial Biology Program, Department of Dermatology, Stanford University, California.,Department of Genetics and Genome Sciences, Case Western Reserve University, Cleveland, Ohio
| | - Peter Scacheri
- Department of Pharmaceutical Sciences, University of California, Irvine, California
| | - Radhika P Atit
- Department of Biology, Case Western Reserve University, Cleveland, Ohio.,Department of Pharmaceutical Sciences, University of California, Irvine, California.,Department of Dermatology, Case Western Reserve University, Cleveland, Ohio
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180
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Wang X, Wang J, Guo L, Wang X, Chen H, Wang X, Liu J, Tredget EE, Wu Y. Self-assembling peptide hydrogel scaffolds support stem cell-based hair follicle regeneration. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2016; 12:2115-2125. [PMID: 27288668 DOI: 10.1016/j.nano.2016.05.021] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 05/11/2016] [Accepted: 05/24/2016] [Indexed: 12/17/2022]
Abstract
Recent studies show that designer peptide nanofibers can mimic properties of extracellular matrix molecules, promising great potential as scaffold materials for tissue engineering. However, their ability in supporting organogenesis has not been studied. Here we examined the effect of self-assembling peptide hydrogels in supporting skin derived precursors (SKPs) in hair follicle neogenesis. We found that hydrogels formed by RADA16, PRG which contains RGD, and particularly the combination of RADA16 and PRG (RADA-PRG) enhanced SKP proliferation. Notably, the RADA-PRG hydrogel, which exhibited advantages of RADA16 in adequate nanofiber formation and PRG in providing the integrin binding sequence, exhibited superior effects in enhancing SKP survival, expression of hair induction signature genes such as Akp2 and Bmp6, and more importantly de novo hair genesis in mice. Thus our results suggest that RADA-PRG may serve as a novel scaffold material for stem cell transplantation and tissue engineering.
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Affiliation(s)
- Xiaoxiao Wang
- School of Life Sciences, Tsinghua University, China; The Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, China
| | - Jinmei Wang
- The Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, China
| | - Ling Guo
- The Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, China
| | - Xusheng Wang
- School of Life Sciences, Tsinghua University, China; The Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, China
| | - Haiyan Chen
- School of Life Sciences, Tsinghua University, China; The Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, China; Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, China
| | - Xiumei Wang
- School of Materials Science and Engineering, Tsinghua University, China
| | - Jianjun Liu
- Medical Key Laboratory of Health Toxicology of Shenzhen, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Edward E Tredget
- Wound Healing Research Group, Department of Surgery, University of Alberta, Edmonton, AB, Canada
| | - Yaojiong Wu
- The Shenzhen Key Laboratory of Health Sciences and Technology, Graduate School at Shenzhen, Tsinghua University, China; Tsinghua-Berkeley Shenzhen Institute (TBSI), Tsinghua University, China.
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181
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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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182
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Rezza A, Wang Z, Sennett R, Qiao W, Wang D, Heitman N, Mok KW, Clavel C, Yi R, Zandstra P, Ma'ayan A, Rendl M. Signaling Networks among Stem Cell Precursors, Transit-Amplifying Progenitors, and their Niche in Developing Hair Follicles. Cell Rep 2016; 14:3001-18. [PMID: 27009580 DOI: 10.1016/j.celrep.2016.02.078] [Citation(s) in RCA: 131] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/20/2016] [Accepted: 02/20/2016] [Indexed: 12/18/2022] Open
Abstract
The hair follicle (HF) is a complex miniorgan that serves as an ideal model system to study stem cell (SC) interactions with the niche during growth and regeneration. Dermal papilla (DP) cells are required for SC activation during the adult hair cycle, but signal exchange between niche and SC precursors/transit-amplifying cell (TAC) progenitors that regulates HF morphogenetic growth is largely unknown. Here we use six transgenic reporters to isolate 14 major skin and HF cell populations. With next-generation RNA sequencing, we characterize their transcriptomes and define unique molecular signatures. SC precursors, TACs, and the DP niche express a plethora of ligands and receptors. Signaling interaction network analysis reveals a bird's-eye view of pathways implicated in epithelial-mesenchymal interactions. Using a systematic tissue-wide approach, this work provides a comprehensive platform, linked to an interactive online database, to identify and further explore the SC/TAC/niche crosstalk regulating HF growth.
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Affiliation(s)
- Amélie Rezza
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Zichen Wang
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Pharmacology and Systems Therapeutics, BD2K-LINCS Data Coordination and Integration Center, Knowledge Management Center for Illuminating the Druggable Genome (KMC-IDG), Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Rachel Sennett
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Wenlian Qiao
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Dongmei Wang
- Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO 80309, USA
| | - Nicholas Heitman
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Ka Wai Mok
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Carlos Clavel
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Rui Yi
- Department of Molecular, Cellular, and Developmental Biology, University of Colorado, Boulder, CO 80309, USA
| | - Peter Zandstra
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Avi Ma'ayan
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Pharmacology and Systems Therapeutics, BD2K-LINCS Data Coordination and Integration Center, Knowledge Management Center for Illuminating the Druggable Genome (KMC-IDG), Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Michael Rendl
- Black Family Stem Cell Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Developmental and Regenerative Biology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Department of Dermatology, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
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183
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Gao Y, Wang X, Yan H, Zeng J, Ma S, Niu Y, Zhou G, Jiang Y, Chen Y. Comparative Transcriptome Analysis of Fetal Skin Reveals Key Genes Related to Hair Follicle Morphogenesis in Cashmere Goats. PLoS One 2016; 11:e0151118. [PMID: 26959817 PMCID: PMC4784850 DOI: 10.1371/journal.pone.0151118] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 02/22/2016] [Indexed: 11/18/2022] Open
Abstract
Cashmere goat skin contains two types of hair follicles (HF): primary hair follicles (PHF) and secondary hair follicles (SHF). Although multiple genetic determinants associated with HF formation have been identified, the molecules that determine the independent morphogenesis of HF in cashmere goats remain elusive. The growth and development of SHF directly influence the quantity and quality of cashmere production. Here, we report the transcriptome profiling analysis of nine skin samples from cashmere goats using 60- and 120-day-old embryos (E60 and E120, respectively), as well as newborns (NB), through RNA-sequencing (RNA-seq). HF morphological changes indicated that PHF were initiated at E60, with maturation from E120, while differentiation of SHF was identified at E120 until formation of cashmere occurred after birth (NB). The RNA-sequencing analysis generated over 20.6 million clean reads from each mRNA library. The number of differentially expressed genes (DEGs) in E60 vs. E120, E120 vs. NB, and E60 vs. NB were 1,024, 0 and 1,801, respectively, indicating that no significant differences were found at transcriptomic levels between E120 and NB. Key genes including B4GALT4, TNC, a-integrin, and FGFR1, were up-regulated and expressed in HF initiation from E60 to E120, while regulatory genes such as GPRC5D, PAD3, HOXC13, PRR9, VSIG8, LRRC15, LHX2, MSX-2, and FOXN1 were up-regulated and expressed in HF keratinisation and hair shaft differentiation from E120 and NB to E60. Several genes belonging to the KRT and KRTAP gene families were detected throughout the three HF developmental stages. The transcriptional trajectory analyses of all DEGs indicated that immune privilege, glycosaminoglycan biosynthesis, extracellular matrix receptor interaction, and growth factor receptors all played dominant roles in the epithelial-mesenchymal interface and HF formation. We found that the Wnt, transforming growth factor-beta/bone morphogenetic protein, and Notch family members played vital roles in HF differentiation and maturation. The DEGs we found could be attributed to the generation and development of HF, and thus will be critically important for improving the quantity and quality of fleece production in animals for fibres.
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Affiliation(s)
- Ye Gao
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
- College of Life Science, Yulin University, Yulin, People’s Republic of China
| | - Xiaolong Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
| | - Hailong Yan
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
- College of Life Science, Yulin University, Yulin, People’s Republic of China
| | - Jie Zeng
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
| | - Sen Ma
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
| | - Yiyuan Niu
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
| | - Guangxian Zhou
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
| | - Yu Jiang
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
| | - Yulin Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, People’s Republic of China
- * E-mail:
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184
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Lin B, Miao Y, Wang J, Fan Z, Du L, Su Y, Liu B, Hu Z, Xing M. Surface Tension Guided Hanging-Drop: Producing Controllable 3D Spheroid of High-Passaged Human Dermal Papilla Cells and Forming Inductive Microtissues for Hair-Follicle Regeneration. ACS APPLIED MATERIALS & INTERFACES 2016; 8:5906-16. [PMID: 26886167 DOI: 10.1021/acsami.6b00202] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Human dermal papilla (DP) cells have been studied extensively when grown in the conventional monolayer. However, because of great deviation from the real in vivo three-dimensional (3D) environment, these two-dimensional (2D) grown cells tend to lose the hair-inducible capability during passaging. Hence, these 2D caused concerns have motivated the development of novel 3D culture techniques to produce cellular microtissues with suitable mimics. The hanging-drop approach is based on surface tension-based technique and the interaction between surface tension and gravity field that makes a convergence of liquid drops. This study used this technique in a converged drop to form cellular spheroids of dermal papilla cells. It leads to a controllable 3Dspheroid model for scalable fabrication of inductive DP microtissues. The optimal conditions for culturing high-passaged (P8) DP spheroids were determined first. Then, the morphological, histological and functional studies were performed. In addition, expressions of hair-inductive markers including alkaline phosphatase, α-smooth muscle actin and neural cell adhesion molecule were also analyzed by quantitative RT-PCR, immunostaining and immunoblotting. Finally, P8-DP microtissues were coimplanted with newborn mouse epidermal cells (EPCs) into nude mice. Our results indicated that the formation of 3D microtissues not only endowed P8-DP microtissues many similarities to primary DP, but also confer these microtissues an enhanced ability to induce hair-follicle (HF) neogenesis in vivo. This model provides a potential to elucidate the native biology of human DP, and also shows the promising for the controllable and scalable production of inductive DP cells applied in future follicle regeneration.
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Affiliation(s)
- Bojie Lin
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , 1838 North Guangzhou Avenue, Guangzhou, Guangdong 510515, China
- Department of Mechanical Engineering and Department of Biomedical & Medical Genetics, University of Manitoba , 75A Chancellors Circle, Winnipeg, Manitoba R3T 2N2, Canada
- Children's Hospital Research Institute of Manitoba , 715 McDermot Avenue, Winnipeg, Manitoba R3E 3P4, Canada
| | - Yong Miao
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , 1838 North Guangzhou Avenue, Guangzhou, Guangdong 510515, China
| | - Jin Wang
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , 1838 North Guangzhou Avenue, Guangzhou, Guangdong 510515, China
| | - Zhexiang Fan
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , 1838 North Guangzhou Avenue, Guangzhou, Guangdong 510515, China
| | - Lijuan Du
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , 1838 North Guangzhou Avenue, Guangzhou, Guangdong 510515, China
| | - Yongsheng Su
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , 1838 North Guangzhou Avenue, Guangzhou, Guangdong 510515, China
| | - Bingcheng Liu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , 1838 North Guangzhou Avenue, Guangzhou, Guangdong 510515, China
| | - Zhiqi Hu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University , 1838 North Guangzhou Avenue, Guangzhou, Guangdong 510515, China
| | - Malcolm Xing
- Department of Mechanical Engineering and Department of Biomedical & Medical Genetics, University of Manitoba , 75A Chancellors Circle, Winnipeg, Manitoba R3T 2N2, Canada
- Children's Hospital Research Institute of Manitoba , 715 McDermot Avenue, Winnipeg, Manitoba R3E 3P4, Canada
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185
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Ke J, Guan H, Li S, Xu L, Zhang L, Yan Y. Erbium: YAG laser (2,940 nm) treatment stimulates hair growth through upregulating Wnt 10b and β-catenin expression in C57BL/6 mice. Int J Clin Exp Med 2015; 8:20883-20889. [PMID: 26885014 PMCID: PMC4723859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 11/04/2015] [Indexed: 06/05/2023]
Abstract
AIM To evaluate the role of 2,940 nm erbium: YAG laser in hair growth in C57BL/6 mice. METHODS Anagen was experimentally induced by depilation. Healthy C57BL/6 mice (n=22) were randomly divided into four groups, with treatment of laser or minoxidil, or with combined laser and minoxidil treatments. The skin color of each mouse was observed each day. The time from telogen (pink skin color) to anagen (black coloration) phase and from anagen (black coloration) to catagen (all hairs grew out of the depilated skin) have been recorded. Hematoxylin and eosin (H&E) assay was done at fifteen days after the first treatment for each group to observe hair follicles and hair cycle score. Western blot analysis was utilized to detect the expression levels of Wnt 10-b and β-catenin. RESULTS Black pigmentation started significantly earlier both in the laser and combination group than in the control group. Moreover, the time from anagen to catagen in the laser, minoxidil and combination groups were all significantly shorter from the control group. Histopathology with H&E staining showed an obvious increase in the number of hair follicles in the anagen phase caused by the treatment of 2,940 nm erbium: YAG laser and minoxidil. Similarly, the percentage of hair follicles in anagen VI accounted for 19.5%, 37.5%, 41.5% and 44% in control, laser, minoxidil, and combination group, respectively. Western blot analysis showed that both the levels of Wnt 10b and β-catenin were significantly increased by the treatment of 2,940 nm erbium: YAG laser. CONCLUSION Our findings showed that 2,940-nm Er: YAG laser could promote hair growth by inducing hair cycle transition from telogen to anagen phases in C57BL/6 mice through up regulating Wnt 10b and β-catenin. These results suggest that 2,940-nm Er: YAG laser may be a potential therapy for hair loss.
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Affiliation(s)
- Jin Ke
- The Second Clinical College, School of Medicine, Wuhan UniversityWuhan 430071, China
| | - Huiwen Guan
- The Second Clinical College, School of Medicine, Wuhan UniversityWuhan 430071, China
| | - Shan Li
- The Second Clinical College, School of Medicine, Wuhan UniversityWuhan 430071, China
| | - Li Xu
- Department of Dermatology, Xiangyang Central HospitalXiangyang 441003, China
| | - Li Zhang
- The Second Clinical College, School of Medicine, Wuhan UniversityWuhan 430071, China
| | - Yuehua Yan
- Department of Dermatology, Zhongnan Hospital of Wuhan UniversityWuhan 430071, China
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186
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Skin Stem Cells: At the Frontier Between the Laboratory and Clinical Practice. Part 1: Epidermal Stem Cells. ACTAS DERMO-SIFILIOGRAFICAS 2015. [DOI: 10.1016/j.adengl.2015.09.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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187
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Harel S, Higgins CA, Cerise JE, Dai Z, Chen JC, Clynes R, Christiano AM. Pharmacologic inhibition of JAK-STAT signaling promotes hair growth. SCIENCE ADVANCES 2015; 1:e1500973. [PMID: 26601320 PMCID: PMC4646834 DOI: 10.1126/sciadv.1500973] [Citation(s) in RCA: 140] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 07/30/2015] [Indexed: 05/02/2023]
Abstract
Several forms of hair loss in humans are characterized by the inability of hair follicles to enter the growth phase (anagen) of the hair cycle after being arrested in the resting phase (telogen). Current pharmacologic therapies have been largely unsuccessful in targeting pathways that can be selectively modulated to induce entry into anagen. We show that topical treatment of mouse and human skin with small-molecule inhibitors of the Janus kinase (JAK)-signal transducer and activator of transcription (STAT) pathway results in rapid onset of anagen and subsequent hair growth. We show that JAK inhibition regulates the activation of key hair follicle populations such as the hair germ and improves the inductivity of cultured human dermal papilla cells by controlling a molecular signature enriched in intact, fully inductive dermal papillae. Our findings open new avenues for exploration of JAK-STAT inhibition for promotion of hair growth and highlight the role of this pathway in regulating the activation of hair follicle stem cells.
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Affiliation(s)
- Sivan Harel
- Department of Dermatology, Columbia University, New York, NY 10032, USA
| | - Claire A. Higgins
- Department of Dermatology, Columbia University, New York, NY 10032, USA
| | - Jane E. Cerise
- Department of Dermatology, Columbia University, New York, NY 10032, USA
| | - Zhenpeng Dai
- Department of Dermatology, Columbia University, New York, NY 10032, USA
| | - James C. Chen
- Department of Dermatology, Columbia University, New York, NY 10032, USA
- Department of Systems Biology, Columbia University, New York, NY 10032, USA
| | - Raphael Clynes
- Department of Dermatology, Columbia University, New York, NY 10032, USA
| | - Angela M. Christiano
- Department of Dermatology, Columbia University, New York, NY 10032, USA
- Department of Genetics and Development, Columbia University, New York, NY 10032, USA
- Corresponding author. E-mail:
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188
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Shim JH. Hair growth-promoting effect of human dermal stem/progenitor cell-derived conditioned medium. Tissue Eng Regen Med 2015. [DOI: 10.1007/s13770-015-0012-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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189
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Enhancing repair of full-thickness excisional wounds in a murine model: Impact of tissue-engineered biological dressings featuring human differentiated adipocytes. Acta Biomater 2015; 22:39-49. [PMID: 25934321 DOI: 10.1016/j.actbio.2015.04.036] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2014] [Revised: 04/18/2015] [Accepted: 04/23/2015] [Indexed: 12/15/2022]
Abstract
Promotion of skin repair for acute or chronic wounds through the use of tissue-engineered products is an active field of research. This study evaluates the effects mediated by tissue-engineered biological dressings containing human in vitro-differentiated adipocytes and adipose-derived stromal cells (ASCs). Re-epithelialization, granulation tissue formation and neovascularization of full-thickness cutaneous wounds were specifically assessed using a murine model featuring a fluorescent epidermis. In comparison with wounds that did not receive an adipocyte-containing biological dressing, treated wounds displayed a slight but significantly faster wound closure based on macroscopic observations over 18 days. Non-invasive imaging of GFP-expressing keratinocytes determined that the kinetics of re-epithelialization were similar for both groups. Treated wounds featured thicker granulation tissues (1.7-fold, P < 0.0001) enriched in collagens (1.3-fold, P < 0.0104). In addition, wound cryosections labeled for detection of CD31-expressing cells indicated a 2.2-fold (P < 0.0002) increased neovascularization for the treated wounds at the time of terminal biopsy. This is in accordance with the secretion of pro-angiogenic factors detected in media conditioned by the dressings. Taken together, these results establish that a new type of engineered substitutes featuring a mixture of adipocytes and ASCs can promote cutaneous healing when applied as temporary dressings, suggesting their potential relevance for chronic wound management studies.
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190
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Li A, Lai YC, Figueroa S, Yang T, Widelitz RB, Kobielak K, Nie Q, Chuong CM. Deciphering principles of morphogenesis from temporal and spatial patterns on the integument. Dev Dyn 2015; 244:905-20. [PMID: 25858668 PMCID: PMC4520785 DOI: 10.1002/dvdy.24281] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 03/04/2015] [Accepted: 04/03/2015] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND How tissue patterns form in development and regeneration is a fundamental issue remaining to be fully understood. The integument often forms repetitive units in space (periodic patterning) and time (cyclic renewal), such as feathers and hairs. Integument patterns are visible and experimentally manipulatable, helping us reveal pattern formative processes. Variability is seen in regional phenotypic specificities and temporal cycling at different physiological stages. RESULTS Here we show some cellular/molecular bases revealed by analyzing integument patterns. (1) Localized cellular activity (proliferation, rearrangement, apoptosis, differentiation) transforms prototypic organ primordia into specific shapes. Combinatorial positioning of different localized activity zones generates diverse and complex organ forms. (2) Competitive equilibrium between activators and inhibitors regulates stem cells through cyclic quiescence and activation. CONCLUSIONS Dynamic interactions between stem cells and their adjacent niche regulate regenerative behavior, modulated by multi-layers of macro-environmental factors (dermis, body hormone status, and external environment). Genomics studies may reveal how positional information of localized cellular activity is stored. In vivo skin imaging and lineage tracing unveils new insights into stem cell plasticity. Principles of self-assembly obtained from the integumentary organ model can be applied to help restore damaged patterns during regenerative wound healing and for tissue engineering to rebuild tissues. Developmental Dynamics 244:905-920, 2015. © 2015 Wiley Periodicals, Inc.
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Affiliation(s)
- Ang Li
- Department of Pathology, University of Southern California, Los Angeles, California
| | - Yung-Chih Lai
- Department of Pathology, University of Southern California, Los Angeles, California
- Center for Developmental Biology and Regenerative Medicine, Taiwan University, Taipei, Taiwan
| | - Seth Figueroa
- Department of Biomedical Engineering, University of California, Irvine, California
| | - Tian Yang
- Department of Cell Biology, College of Basic Medicine, Third Military Medical University, Chongqing, China
| | - Randall B Widelitz
- Department of Pathology, University of Southern California, Los Angeles, California
| | - Krzysztof Kobielak
- Department of Pathology, University of Southern California, Los Angeles, California
| | - Qing Nie
- Department of Mathematics, University of California, Irvine, California
| | - Cheng Ming Chuong
- Department of Pathology, University of Southern California, Los Angeles, California
- Center for Developmental Biology and Regenerative Medicine, Taiwan University, Taipei, Taiwan
- Stem Cell and Regenerative Medicine Center, China Medical University, Taichung, Taiwan
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191
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Pastushenko I, Prieto-Torres L, Gilaberte Y, Blanpain C. Skin Stem Cells: At the Frontier Between the Laboratory and Clinical Practice. Part 1: Epidermal Stem Cells. ACTAS DERMO-SIFILIOGRAFICAS 2015; 106:725-32. [PMID: 26189363 DOI: 10.1016/j.ad.2015.05.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 05/26/2015] [Accepted: 05/27/2015] [Indexed: 11/30/2022] Open
Abstract
Stem cells are characterized by their ability to self-renew and differentiate into the different cell lineages of their tissue of origin. The discovery of stem cells in adult tissues, together with the description of specific markers for their isolation, has opened up new lines of investigation, expanding the horizons of biomedical research and raising new hope in the treatment of many diseases. In this article, we review in detail the main characteristics of the stem cells that produce the specialized cells of the skin (epidermal, mesenchymal, and melanocyte stem cells) and their potential implications and applications in diseases affecting the skin. Part I deals with the principal characteristics and potential applications of epidermal stem cells in dermatology.
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Affiliation(s)
- I Pastushenko
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles (ULB), Bruselas, Bélgica.
| | - L Prieto-Torres
- Servicio de Dermatología, Hospital Clínico Lozano Blesa, Zaragoza, España
| | - Y Gilaberte
- Servicio de Dermatología, Hospital San Jorge, Huesca, España; Instituto Aragonés de Ciencias de la Salud, Zaragoza, España
| | - C Blanpain
- Institut de Recherche Interdisciplinaire en Biologie Humaine et Moléculaire (IRIBHM), Université Libre de Bruxelles (ULB), Bruselas, Bélgica; Walloon Excellence in Life Sciences and Biotechnology (WELBIO), Université Libre de Bruxelles (ULB), Bruselas, Bélgica
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192
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Zhao J, Li H, Zhou R, Ma G, Dekker JD, Tucker HO, Yao Z, Guo X. Foxp1 Regulates the Proliferation of Hair Follicle Stem Cells in Response to Oxidative Stress during Hair Cycling. PLoS One 2015; 10:e0131674. [PMID: 26171970 PMCID: PMC4501748 DOI: 10.1371/journal.pone.0131674] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Accepted: 06/04/2015] [Indexed: 12/26/2022] Open
Abstract
Hair follicle stem cells (HFSCs) in the bugle circularly generate outer root sheath (ORS) through linear proliferation within limited cycles during anagen phases. However, the mechanisms controlling the pace of HFSC proliferation remain unclear. Here we revealed that Foxp1, a transcriptional factor, was dynamically relocated from the nucleus to the cytoplasm of HFSCs in phase transitions from anagen to catagen, coupled with the rise of oxidative stress. Mass spectrum analyses revealed that the S468 phosphorylation of Foxp1 protein was responsive to oxidative stress and affected its nucleocytoplasmic translocation. Foxp1 deficiency in hair follicles led to compromised ROS accrual and increased HFSC proliferation. And more, NAC treatment profoundly elongated the anagen duration and HFSC proliferation in Foxp1-deficient background. Molecularly, Foxp1 augmented ROS levels through suppression of Trx1-mediated reductive function, thereafter imposing the cell cycle arrest by modulating the activity of p19/p53 pathway. Our findings identify a novel role for Foxp1 in controlling HFSC proliferation with cellular dynamic location in response to oxidative stress during hair cycling.
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Affiliation(s)
- Jianzhi Zhao
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hanjun Li
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Rujiang Zhou
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Gang Ma
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Joseph D. Dekker
- Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, Texas, United States of America
| | - Haley O. Tucker
- Institute for Cellular and Molecular Biology, University of Texas at Austin, Austin, Texas, United States of America
| | - Zhengju Yao
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xizhi Guo
- Bio-X Institutes, Key Laboratory for the Genetics of Developmental and Neuropsychiatric Disorders (Ministry of Education), Shanghai Jiao Tong University, Shanghai, 200240, China
- * E-mail:
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193
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Ali N, Hosseini M, Vainio S, Taïeb A, Cario‐André M, Rezvani H. Skin equivalents: skin from reconstructions as models to study skin development and diseases. Br J Dermatol 2015; 173:391-403. [DOI: 10.1111/bjd.13886] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2015] [Indexed: 12/17/2022]
Affiliation(s)
- N. Ali
- Laboratory of Developmental Biology Faculty of Biochemistry and Molecular Medicine University of Oulu and Biocenter Oulu Aapistie 5A 90220 Oulu Finland
- Inserm U 1035 33076 Bordeaux France
- Université de Bordeaux 146 rue Léo Saignat 33076 Bordeaux France
| | - M. Hosseini
- Inserm U 1035 33076 Bordeaux France
- Université de Bordeaux 146 rue Léo Saignat 33076 Bordeaux France
| | - S. Vainio
- Laboratory of Developmental Biology Faculty of Biochemistry and Molecular Medicine University of Oulu and Biocenter Oulu Aapistie 5A 90220 Oulu Finland
| | - A. Taïeb
- Inserm U 1035 33076 Bordeaux France
- Université de Bordeaux 146 rue Léo Saignat 33076 Bordeaux France
- Centre de Référence pour les Maladies Rares de la Peau Bordeaux France
- Département de Dermatologie & Dermatologie Pédiatrique CHU de Bordeaux Bordeaux France
| | - M. Cario‐André
- Inserm U 1035 33076 Bordeaux France
- Université de Bordeaux 146 rue Léo Saignat 33076 Bordeaux France
- Centre de Référence pour les Maladies Rares de la Peau Bordeaux France
| | - H.R. Rezvani
- Inserm U 1035 33076 Bordeaux France
- Université de Bordeaux 146 rue Léo Saignat 33076 Bordeaux France
- Centre de Référence pour les Maladies Rares de la Peau Bordeaux France
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194
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Synergistic effect of PDGF and FGF2 for cell proliferation and hair inductive activity in murine vibrissal dermal papilla in vitro. J Dermatol Sci 2015; 79:110-8. [PMID: 25975959 DOI: 10.1016/j.jdermsci.2015.04.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Revised: 03/31/2015] [Accepted: 04/17/2015] [Indexed: 12/14/2022]
Abstract
BACKGROUND The dermal papilla is composed of a small clump of mesenchymal cells, called dermal papilla cells (DPCs). DPCs closely interact with epidermal cells to give rise to hair follicles and shafts during hair follicle development and the hair cycle. DPCs are promising cell sources for hair regeneration therapy for alopecia patients. However, once DPCs are put into conventional two-dimensional culture conditions, they quickly lose their capability to produce hair follicles. OBJECTIVE We aimed to expand a sufficiently large population of DPCs that retain their hair inductive activity. METHODS Murine DPCs were cultured in the presence of platelet-derived growth factor-AA (PDGF-AA) and fibroblast growth factor 2 (FGF2). Expressions of follicular-related genes were analyzed by real time PCR and hair inductive activity was determined by patch assay and chamber assay in vivo. RESULTS FGF2 significantly increased the expression of platelet-derived growth factor receptor alpha (PDGFRα) in cultured vibrissal DPCs. PDGF-AA, a ligand of PDGFRα, promoted proliferation of DPCs synergistically when utilized with FGF2 and enhanced the expression of several follicular-related genes in DPCs. Hair reconstitution assays revealed that DPCs treated with both PDGF-AA and FGF-2 were able to maintain their hair inductive activity better than those treated with FGF2 alone. CONCLUSION Both cell proliferation and hair inductive activity in murine DPCs are maintained by the synergistic effect of FGF2 and PDGF-AA.
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195
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Expansion of specialized epidermis induced by hormonal state and mechanical strain. Mech Dev 2015; 136:73-86. [PMID: 25680535 DOI: 10.1016/j.mod.2015.01.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 12/08/2014] [Accepted: 01/28/2015] [Indexed: 11/20/2022]
Abstract
In mammals, some sites of specialized skin such as the palms, soles, and lips grow proportionally with the animal. However, other types of specialized skin such as the nipple and anal/genital region are dramatically altered with changes of reproductive status. The specific cell types that mediate the growth of these sites have not been identified. In the mouse, we observed a dramatic expansion of the specialized epidermis of the nipple, coupled to changes in connective tissue and hair shaft density, which we designate as areola formation. During this process thymidine analog uptake was elevated in the epidermis and hair follicles. Although there were no changes in connective tissue cell proliferation, we did observe an altered expression of extracellular matrix genes. In addition, the fibroblasts of the virgin nipple areola and region showed increased transcript and protein levels for estrogen, progesterone, relaxin, and oxytocin relative to those of ventral skin. To determine the role of pregnancy, lactation hormonal milieu, and localized mechanical strain on areola formation, we created models that separated these stimuli and evaluated changes in gross structure, proliferation and protein expression. While modest increases of epidermal proliferation and remodeling of connective tissue occurred as a result of individual stimuli, areola formation required exposure to pregnancy hormones, as well as mechanical strain.
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196
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Derivation of hair-inducing cell from human pluripotent stem cells. PLoS One 2015; 10:e0116892. [PMID: 25607935 PMCID: PMC4301813 DOI: 10.1371/journal.pone.0116892] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2012] [Accepted: 12/16/2014] [Indexed: 12/19/2022] Open
Abstract
Dermal Papillae (DP) is a unique population of mesenchymal cells that was shown to regulate hair follicle formation and growth cycle. During development most DP cells are derived from mesoderm, however, functionally equivalent DP cells of cephalic hairs originate from Neural Crest (NC). Here we directed human embryonic stem cells (hESCs) to generate first NC cells and then hair-inducing DP-like cells in culture. We showed that hESC-derived DP-like cells (hESC-DPs) express markers typically found in adult human DP cells (e.g. p-75, nestin, versican, SMA, alkaline phosphatase) and are able to induce hair follicle formation when transplanted under the skin of immunodeficient NUDE mice. Engineered to express GFP, hESC-derived DP-like cells incorporate into DP of newly formed hair follicles and express appropriate markers. We demonstrated that BMP signaling is critical for hESC-DP derivation since BMP inhibitor dorsomorphin completely eliminated hair-inducing activity from hESC-DP cultures. DP cells were proposed as the cell-based treatment for hair loss diseases. Unfortunately human DP cells are not suitable for this purpose because they cannot be obtained in necessary amounts and rapidly loose their ability to induce hair follicle formation when cultured. In this context derivation of functional hESC-DP cells capable of inducing a robust hair growth for the first time shown here can become an important finding for the biomedical science.
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197
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Chapellier M, Bachelard-Cascales E, Schmidt X, Clément F, Treilleux I, Delay E, Jammot A, Ménétrier-Caux C, Pochon G, Besançon R, Voeltzel T, Caron de Fromentel C, Caux C, Blay JY, Iggo R, Maguer-Satta V. Disequilibrium of BMP2 levels in the breast stem cell niche launches epithelial transformation by overamplifying BMPR1B cell response. Stem Cell Reports 2015; 4:239-54. [PMID: 25601208 PMCID: PMC4325271 DOI: 10.1016/j.stemcr.2014.12.007] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Revised: 12/09/2014] [Accepted: 12/09/2014] [Indexed: 01/22/2023] Open
Abstract
Understanding the mechanisms of cancer initiation will help to prevent and manage the disease. At present, the role of the breast microenvironment in transformation remains unknown. As BMP2 and BMP4 are important regulators of stem cells and their niches in many tissues, we investigated their function in early phases of breast cancer. BMP2 production by tumor microenvironment appeared to be specifically upregulated in luminal tumors. Chronic exposure of immature human mammary epithelial cells to high BMP2 levels initiated transformation toward a luminal tumor-like phenotype, mediated by the receptor BMPR1B. Under physiological conditions, BMP2 controlled the maintenance and differentiation of early luminal progenitors, while BMP4 acted on stem cells/myoepithelial progenitors. Our data also suggest that microenvironment-induced overexpression of BMP2 may result from carcinogenic exposure. We reveal a role for BMP2 and the breast microenvironment in the initiation of stem cell transformation, thus providing insight into the etiology of luminal breast cancer. High BMP2 levels are provided by endothelial and stroma cells in luminal tumors Chronic exposure to high BMP2 levels initiate mammary epithelial transformation Luminal tumors likely arise from an amplified BMP2/BMPR1B-mediated normal response Radiation and bisphenols perturbed BMP2 production by the mammary niche stroma
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Affiliation(s)
- Marion Chapellier
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France
| | | | - Xenia Schmidt
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France
| | - Flora Clément
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France
| | - Isabelle Treilleux
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France; Centre Léon Bérard, 69000 Lyon, France
| | - Emmanuel Delay
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France; Centre Léon Bérard, 69000 Lyon, France
| | - Alexandre Jammot
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France
| | - Christine Ménétrier-Caux
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France; Centre Léon Bérard, 69000 Lyon, France
| | - Gaëtan Pochon
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France
| | - Roger Besançon
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France
| | - Thibault Voeltzel
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France
| | - Claude Caron de Fromentel
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France
| | - Christophe Caux
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France; Centre Léon Bérard, 69000 Lyon, France
| | - Jean-Yves Blay
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France; Centre Léon Bérard, 69000 Lyon, France
| | - Richard Iggo
- Inserm U916, Institut Bergonié, University of Bordeaux, 33076 Bordeaux, France
| | - Véronique Maguer-Satta
- CNRS UMR5286, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Inserm U1052, Centre de Recherche en Cancérologie de Lyon, 69000 Lyon, France; Université de Lyon, 69000 Lyon, France; Department of Immunity, Virus, and Microenvironment, 69000 Lyon, France; Université de Lyon 1, ISPB, 69000 Lyon, France.
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198
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Abstract
The skin is a complex organ consisting of the epidermis, dermis, and skin appendages, including the hair follicle and sebaceous gland. Wound healing in adult mammals results in scar formation without any skin appendages. Studies have reported remarkable examples of scarless healing in fetal skin and appendage regeneration in adult skin following the infliction of large wounds. The models used in these studies have offered a new platform for investigations of the cellular and molecular mechanisms underlying wound healing and skin regeneration in mammals. In this article, we will focus on the contribution of skin appendages to wound healing and, conversely, skin appendage regeneration following injuries.
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Affiliation(s)
- Makoto Takeo
- The Ronald O. Perelman Department of Dermatology, New York University, School of Medicine, New York, New York 10016 Department of Cell Biology, New York University, School of Medicine, New York, New York 10016
| | - Wendy Lee
- The Ronald O. Perelman Department of Dermatology, New York University, School of Medicine, New York, New York 10016 Department of Cell Biology, New York University, School of Medicine, New York, New York 10016
| | - Mayumi Ito
- The Ronald O. Perelman Department of Dermatology, New York University, School of Medicine, New York, New York 10016 Department of Cell Biology, New York University, School of Medicine, New York, New York 10016
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199
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Abstract
The epidermis and associated appendages of the skin represent a multi-lineage tissue that is maintained by perpetual rounds of renewal. During homeostasis, turnover of epidermal lineages is achieved by input from regionalized keratinocytes stem or progenitor populations with little overlap from neighboring niches. Over the last decade, molecular markers selectively expressed by a number of these stem or progenitor pools have been identified, allowing for the isolation and functional assessment of stem cells and genetic lineage tracing analysis within intact skin. These advancements have led to many fundamental observations about epidermal stem cell function such as the identification of their progeny, their role in maintenance of skin homeostasis, or their contribution to wound healing. In this chapter, we provide a methodology to identify and isolate epidermal stem cells and to assess their functional role in their respective niche. Furthermore, recent evidence has shown that the microenvironment also plays a crucial role in stem cell function. Indeed, epidermal cells are under the influence of surrounding fibroblasts, adipocytes, and sensory neurons that provide extrinsic signals and mechanical cues to the niche and contribute to skin morphogenesis and homeostasis. A better understanding of these microenvironmental cues will help engineer in vitro experimental models with more relevance to in vivo skin biology. New approaches to address and study these environmental cues in vitro will also be addressed.
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Affiliation(s)
- Yanne S Doucet
- Department of Dermatology, College of Physicians and Surgeons, Columbia University, New York, NY, 10032, USA
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200
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Baicalin, a flavonoid, affects the activity of human dermal papilla cells and promotes anagen induction in mice. Naunyn Schmiedebergs Arch Pharmacol 2014; 388:583-6. [DOI: 10.1007/s00210-014-1075-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 11/19/2014] [Indexed: 12/31/2022]
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