76
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Gkogkolou P, Sarna M, Sarna T, Paus R, Luger T, Böhm M. Protection of glucotoxicity by a tripeptide derivative of α‐melanocyte‐stimulating hormone in human epidermal keratinocytes. Br J Dermatol 2018; 180:836-848. [DOI: 10.1111/bjd.17125] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/21/2018] [Indexed: 12/21/2022]
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77
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Langan EA, Fink T, Paus R. Is prolactin a negative neuroendocrine regulator of human skin re-epithelisation after wounding? Arch Dermatol Res 2018; 310:833-841. [PMID: 30244404 DOI: 10.1007/s00403-018-1864-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 08/27/2018] [Accepted: 09/03/2018] [Indexed: 12/29/2022]
Abstract
Chronic wounds remain a major unmet healthcare challenge, associated with substantial morbidity and economic costs. Therefore, novel treatment strategies and therapeutic approaches need to be urgently developed. Yet, despite the increasingly recognized importance of neurohormonal signaling in skin physiology, the neuroendocrine regulation of cutaneous wound healing has received surprisingly little attention. Human skin, and its appendages, locally express the pleiotropic neurohormone prolactin (PRL), which not only regulates lactation but also hair follicle cycling, angiogenesis, keratinocyte proliferation, and epithelial stem cell functions. Therefore, we examined the effects of PRL in experimentally wounded female human skin organ culture. Overall, this revealed that PRL slightly, but significantly, inhibited epidermal regeneration (reepithelialisation), cytokeratin 6 protein expression and intraepidermal mitochondrial activity (MTCO1 expression), while it promoted keratinocyte terminal differentiation (i.e. involucrin expression) ex vivo. If the current pilot data are confirmed by further studies, PRL may serve as one of the-rarely studied-negative regulators of cutaneous wound healing that control excessive reepithelialisation. This raises the intriguing and clinically relevant question of whether PRL receptor antagonists could actually promote epidermal repair after human skin wounding.
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78
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Ramot Y, Oláh A, Paus R. Cover Image: Neuroendocrine treatment of inherited keratin disorders by cannabinoids? Br J Dermatol 2018; 178:1469. [DOI: 10.1111/bjd.16570] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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79
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Alam M, Hernandez I, Paus R, Jimenez F. Image Gallery: Intravital visualization of the dynamic changes in human hair follicle cycling. Br J Dermatol 2018; 178:e396. [DOI: 10.1111/bjd.16569] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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80
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Figlak K, Paus R, Philpott M. 1332 Understanding the role of glycogen metabolism in human hair follicle biology. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.1349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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81
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Keren A, Yndriago L, Izeta A, Gerovska D, Araúzo-Bravo M, Paus R, Gilhar A. 1429 VEGF mediates rejuvenation of aged human skin xenografts in young mice. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.1447] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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82
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Paus R, Keren A, Gilhar A. 962 Development of a novel humanized mouse model for atopic dermatitis. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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83
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Harries M, Hardman J, Paus R. 1377 Decoding frontal fibrosing alopecia and lichen planopilaris: Macrophages hold the key? J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.1394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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84
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Hawkshaw N, Hardman J, Alam M, Hernandez I, Jimenez-Acosta F, Paus R. 1355 Mapping of Wnt/β-catenin signals during the telogen-to-anagen transition of human hair follicles. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.1372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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85
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Poblet E, Jimenez F, Escario-Travesedo E, Hardman J, Hernández-Hernández I, Agudo-Mena J, Cabrera-Galvan J, Nicu C, Paus R. Eccrine sweat glands associate with the human hair follicle within a defined compartment of dermal white adipose tissue. Br J Dermatol 2018. [DOI: 10.1111/bjd.16628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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86
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Bochner R, Eskin-Schwartz M, Sarig O, Peled A, Mohamad J, Malchin N, Isakov O, Fainberg G, Shomron N, Bertolini M, Paus R, Sprecher E. 770 An exceptional mutation in ALX4 results in ectodermal defects. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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87
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Gilhar A, Keren A, Schrum A, Paus R. 063 Activated ILC3 cells suffice to induce psoriasis in human skin in vivo. J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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88
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Bertolini M, Alam M, Gherardini J, Keren A, Ponce L, Alenfall J, Dunér P, Nilsson A, Gilhar A, Paus R. 1371 FGF7-dependent inhibition of human hair growth byan osteopontin-derived peptide: A novel solution for hirsutism and hypertrichosis? J Invest Dermatol 2018. [DOI: 10.1016/j.jid.2018.03.1388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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89
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Poblet E, Jimenez F, Escario-Travesedo E, Hardman J, Hernández-Hernández I, Agudo-Mena J, Cabrera-Galvan J, Nicu C, Paus R. 外泌汗腺与已确定的皮肤白色脂肪组织室内的人毛囊相关. Br J Dermatol 2018. [DOI: 10.1111/bjd.16647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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90
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Poblet E, Jimenez F, Escario-Travesedo E, Hardman J, Hernández-Hernández I, Agudo-Mena J, Cabrera-Galvan J, Nicu C, Paus R. Eccrine sweat glands associate with the human hair follicle within a defined compartment of dermal white adipose tissue. Br J Dermatol 2018; 178:1163-1172. [DOI: 10.1111/bjd.16436] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/01/2018] [Indexed: 12/20/2022]
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91
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Slominski A, Paus R, Bomirski A. Hypothesis: Possible Role for the Melatonin Receptor in Vitiligo: Discussion Paper. J R Soc Med 2018; 82:539-41. [PMID: 2552111 PMCID: PMC1292300 DOI: 10.1177/014107688908200911] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A new unifying hypothesis for the aetiology of vitiligo is proposed, in which we postulate that the final destruction of melanocytes in vitiligo results from a cascade of reactions initiated by a disregulation of melanogenesis, caused by activation of the melatonin receptor. These events result in the high and uncontrolled production of free radicals and toxic products of melanogenesis which sequentially damage or destroy melanocytes and keratinocytes, provoke an autoimmune response against exposed intracellular or altered cell surface antigens, and increase the propensity of melanocytes to undergo malignant transformation.
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92
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Gilhar A, Keren A, Shemer A, Ginzburg A, Ullmann Y, Paus R. 311 Group 3 innate lymphoid cells (ILC3) induce psoriasiform lesions in human skin xenotransplants in vivo. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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93
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Gilhar A, Keren A, Ullmann Y, Paus R. 299 Development of a novel, perceived stress-sensitive humanized mouse model of atopic dermatitis. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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94
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Oláh A, Alam M, Chéret J, Kis G, Hegyi Z, Szántó M, Bai P, Lerchner J, Bíró T, Paus R. 101 Cannabinoid receptor 1 (CB1) is a novel negative regulator of keratinocyte mitochondrial function in human epidermis ex vivo. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.07.411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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95
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Gherardini J, Chéret J, Bertolini M, Paus R. 829 Fluoxetine promotes human hair follicle pigmentation: A new anti-greying strategy. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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96
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Sugawara K, Mizukami Y, Paus R, Tsuruta D. 646 Dissecting the effects of a stress-related mediator, corticotropin releasing hormone on skin and mucosal type mast cells biology in situ. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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97
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Chéret J, Chéret J, Bertolini M, Tsai T, Alam M, Hatt H, Paus R. 884 Olfactory receptor stimulation promotes human hair growth. J Invest Dermatol 2017. [DOI: 10.1016/j.jid.2017.02.910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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98
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Bertolini M, Rossi A, Paus R. Cover Image: Are melanocyte-associated peptides the elusive autoantigens in alopecia areata? Br J Dermatol 2017; 176:1106. [DOI: 10.1111/bjd.15288] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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99
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Jumper N, Hodgkinson T, Paus R, Bayat A. Site-specific gene expression profiling as a novel strategy for unravelling keloid disease pathobiology. PLoS One 2017; 12:e0172955. [PMID: 28257480 PMCID: PMC5336271 DOI: 10.1371/journal.pone.0172955] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 02/13/2017] [Indexed: 12/13/2022] Open
Abstract
Keloid disease (KD) is a fibroproliferative cutaneous tumour characterised by heterogeneity, excess collagen deposition and aggressive local invasion. Lack of a validated animal model and resistance to a multitude of current therapies has resulted in unsatisfactory clinical outcomes of KD management. In order to address KD from a new perspective, we applied for the first time a site-specific in situ microdissection and gene expression profiling approach, through combined laser capture microdissection and transcriptomic array. The aim here was to analyse the utility of this approach compared with established methods of investigation, including whole tissue biopsy and monolayer cell culture techniques. This study was designed to approach KD from a hypothesis-free and compartment-specific angle, using state-of-the-art microdissection and gene expression profiling technology. We sought to characterise expression differences between specific keloid lesional sites and elucidate potential contributions of significantly dysregulated genes to mechanisms underlying keloid pathobiology, thus informing future explorative research into KD. Here, we highlight the advantages of our in situ microdissection strategy in generating expression data with improved sensitivity and accuracy over traditional methods. This methodological approach supports an active role for the epidermis in the pathogenesis of KD through identification of genes and upstream regulators implicated in epithelial-mesenchymal transition, inflammation and immune modulation. We describe dermal expression patterns crucial to collagen deposition that are associated with TGFβ-mediated signalling, which have not previously been examined in KD. Additionally, this study supports the previously proposed presence of a cancer-like stem cell population in KD and explores the possible contribution of gene dysregulation to the resistance of KD to conventional therapy. Through this innovative in situ microdissection gene profiling approach, we provide better-defined gene signatures of distinct KD regions, thereby addressing KD heterogeneity, facilitating differential diagnosis with other cutaneous fibroses via transcriptional fingerprinting, and highlighting key areas for future KD research.
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100
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Paus R. Exploring the “brain-skin connection”: Leads and lessons from the hair follicle. Curr Res Transl Med 2016; 64:207-214. [DOI: 10.1016/j.retram.2016.10.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 10/14/2016] [Indexed: 12/22/2022]
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