1
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Kline SN, Saito Y, Archer NK. Staphylococcus aureus Proteases: Orchestrators of Skin Inflammation. DNA Cell Biol 2024. [PMID: 38957987 DOI: 10.1089/dna.2024.0134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024] Open
Abstract
Skin homeostasis relies on a delicate balance between host proteases and protease inhibitors along with those secreted from microbial communities, as disruption to this harmony contributes to the pathogenesis of inflammatory skin disorders, including atopic dermatitis and Netherton's syndrome. In addition to being a prominent cause of skin and soft tissue infections, the gram-positive bacterium Staphylococcus aureus is a key player in inflammatory skin conditions due to its array of 10 secreted proteases. Herein we review how S. aureus proteases augment the development of inflammation in skin disorders. These mechanisms include degradation of skin barrier integrity, immune dysregulation and pruritis, and impairment of host defenses. Delineating the diverse roles of S. aureus proteases has the potential to reveal novel therapeutic strategies, such as inhibitors of proteases or their cognate target, as well as neutralizing vaccines to alleviate the burden of inflammatory skin disorders in patients.
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Affiliation(s)
- Sabrina N Kline
- Department of Dermatology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Yoshine Saito
- School of Medicine, University of Maryland, Baltimore, Maryland, USA
| | - Nathan K Archer
- Department of Dermatology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
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2
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Ruchti F, Zwicky P, Becher B, Dubrac S, LeibundGut-Landmann S. Epidermal barrier impairment predisposes for excessive growth of the allergy-associated yeast Malassezia on murine skin. Allergy 2024; 79:1531-1547. [PMID: 38385963 DOI: 10.1111/all.16062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/15/2024] [Accepted: 01/20/2024] [Indexed: 02/23/2024]
Abstract
BACKGROUND The skin barrier is vital for protection against environmental threats including insults caused by skin-resident microbes. Dysregulation of this barrier is a hallmark of atopic dermatitis (AD) and ichthyosis, with variable consequences for host immune control of colonizing commensals and opportunistic pathogens. While Malassezia is the most abundant commensal fungus of the skin, little is known about the host control of this fungus in inflammatory skin diseases. METHODS In this experimental study, MC903-treated mice were colonized with Malassezia spp. to assess the host-fungal interactions in atopic dermatitis. Additional murine models of AD and ichthyosis, including tape stripping, K5-Nrf2 overexpression and flaky tail mice, were employed to confirm and expand the findings. Skin fungal counts were enumerated. High parameter flow cytometry was used to characterize the antifungal response in the AD-like skin. Structural and functional alterations in the skin barrier were determined by histology and transcriptomics of bulk skin. Finally, differential expression of metabolic genes in Malassezia in atopic and control skin was quantified. RESULTS Malassezia grows excessively in AD-like skin. Fungal overgrowth could, however, not be explained by the altered immune status of the atopic skin. Instead, we found that by upregulating key metabolic genes in the altered cutaneous niche, Malassezia acquired enhanced fitness to efficiently colonise the impaired skin barrier. CONCLUSIONS This study provides evidence that structural and metabolic changes in the dysfunctional epidermal barrier environment provide increased accessibility and an altered lipid profile, to which the lipid-dependent yeast adapts for enhanced nutrient assimilation. Our findings reveal fundamental insights into the implication of the mycobiota in the pathogenesis of common skin barrier disorders.
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Affiliation(s)
- Fiorella Ruchti
- Section of Immunology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Pascale Zwicky
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Burkhard Becher
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
| | - Sandrine Dubrac
- Department of Dermatology, Venereology and Allergology, Medical University of Innsbruck, Innsbruck, Austria
| | - Salomé LeibundGut-Landmann
- Section of Immunology, Vetsuisse Faculty, University of Zürich, Zürich, Switzerland
- Institute of Experimental Immunology, University of Zürich, Zürich, Switzerland
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3
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Sarwar MS, Ramirez CN, Kuo HCD, Chou P, Wu R, Sargsyan D, Yang Y, Shannar A, Peter RM, Yin R, Wang Y, Su X, Kong AN. Triterpenoid ursolic acid regulates the environmental carcinogen benzo[a]pyrene-driven epigenetic and metabolic alterations in SKH-1 hairless mice for skin cancer interception. Carcinogenesis 2024; 45:288-299. [PMID: 38466106 PMCID: PMC11102768 DOI: 10.1093/carcin/bgae009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 01/25/2024] [Accepted: 03/09/2024] [Indexed: 03/12/2024] Open
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental carcinogens accountable to developing skin cancers. Recently, we reported that exposure to benzo[a]pyrene (B[a]P), a common PAH, causes epigenetic and metabolic alterations in the initiation, promotion and progression of non-melanoma skin cancer (NMSC). As a follow-up investigation, this study examines how dietary triterpenoid ursolic acid (UA) regulates B[a]P-driven epigenetic and metabolic pathways in SKH-1 hairless mice. Our results show UA intercepts against B[a]P-induced tumorigenesis at different stages of NMSC. Epigenomic cytosines followed by guanine residues (CpG) methyl-seq data showed UA diminished B[a]P-mediated differentially methylated regions (DMRs) profiles. Transcriptomic RNA-seq revealed UA revoked B[a]P-induced differentially expressed genes (DEGs) of skin cancer-related genes, such as leucine-rich repeat LGI family member 2 (Lgi2) and kallikrein-related peptidase 13 (Klk13), indicating UA plays a vital role in B[a]P-mediated gene regulation and its potential consequences in NMSC interception. Association analysis of DEGs and DMRs found that the mRNA expression of KLK13 gene was correlated with the promoter CpG methylation status in the early-stage comparison group, indicating UA could regulate the KLK13 by modulating its promoter methylation at an early stage of NMSC. The metabolomic study showed UA alters B[a]P-regulated cancer-associated metabolisms like thiamin metabolism, ascorbate and aldarate metabolism during the initiation phase; pyruvate, citrate and thiamin metabolism during the promotion phase; and beta-alanine and pathothenate coenzyme A (CoA) biosynthesis during the late progression phase. Taken together, UA reverses B[a]P-driven epigenetic, transcriptomic and metabolic reprogramming, potentially contributing to the overall cancer interception against B[a]P-mediated NMSC.
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Affiliation(s)
- Md Shahid Sarwar
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Christina N Ramirez
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Hsiao-Chen Dina Kuo
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Pochung Chou
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Renyi Wu
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Davit Sargsyan
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Yuqing Yang
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Ahmad Shannar
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Rebecca Mary Peter
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Ran Yin
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Yujue Wang
- Metabolomics Shared Resource, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
| | - Xiaoyang Su
- Metabolomics Shared Resource, Rutgers Cancer Institute of New Jersey, New Brunswick, NJ 08901, USA
| | - Ah-Ng Kong
- Department of Pharmaceutics, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
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Nevo S, Frenkel N, Kadouri N, Gome T, Rosenthal N, Givony T, Avin A, Peligero Cruz C, Kedmi M, Lindzen M, Ben Dor S, Damari G, Porat Z, Haffner-Krausz R, Keren-Shaul H, Yarden Y, Munitz A, Leshkowitz D, Goldfarb Y, Abramson J. Tuft cells and fibroblasts promote thymus regeneration through ILC2-mediated type 2 immune response. Sci Immunol 2024; 9:eabq6930. [PMID: 38215193 DOI: 10.1126/sciimmunol.abq6930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 11/15/2023] [Indexed: 01/14/2024]
Abstract
The thymus is a primary lymphoid organ that is essential for the establishment of adaptive immunity through generation of immunocompetent T cells. In response to various stress signals, the thymus undergoes acute but reversible involution. However, the mechanisms governing its recovery are incompletely understood. Here, we used a dexamethasone-induced acute thymic involution mouse model to investigate how thymic hematopoietic cells (excluding T cells) contribute to thymic regeneration. scRNA-seq analysis revealed marked transcriptional and cellular changes in various thymic populations and highlighted thymus-resident innate lymphoid cells type 2 (ILC2) as a key cell type involved in the response to damage. We identified that ILC2 are activated by the alarmins IL-25 and IL-33 produced in response to tissue damage by thymic tuft cells and fibroblasts, respectively. Moreover, using mouse models deficient in either tuft cells and/or IL-33, we found that these alarmins are required for effective thymus regeneration after dexamethasone-induced damage. We also demonstrate that upon their damage-dependent activation, thymic ILC2 produce several effector molecules linked to tissue regeneration, such as amphiregulin and IL-13, which in turn promote thymic epithelial cell differentiation. Collectively, our study elucidates a previously undescribed role for thymic tuft cells and fibroblasts in thymus regeneration through activation of the type 2 immune response.
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Affiliation(s)
- Shir Nevo
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Noga Frenkel
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Noam Kadouri
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Tom Gome
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot, Israel
| | - Noa Rosenthal
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Tal Givony
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Ayelet Avin
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Cristina Peligero Cruz
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
- IrsiCaixa AIDS Research Institute, Hospital Germans Trias i Pujol, Institute for Health Science Research Germans Trias i Pujol (IGTP), Badalona, Spain
| | - Merav Kedmi
- Genomics Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | - Moshit Lindzen
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Shifra Ben Dor
- Bioinformatics Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | - Golda Damari
- Department of Veterinary Resources, Weizmann Institute of Science, Rehovot, Israel
| | - Ziv Porat
- Flow Cytometry Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | | | - Hadas Keren-Shaul
- Genomics Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | - Yosef Yarden
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Ariel Munitz
- Department of Microbiology and Clinical Immunology, Sackler School of Medicine, Tel-Aviv University, Tel Aviv, Israel
| | - Dena Leshkowitz
- Bioinformatics Unit, Life Science Core Facility, Weizmann Institute of Science, Rehovot, Israel
| | - Yael Goldfarb
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
| | - Jakub Abramson
- Department of Immunology and Regenerative Biology, Weizmann Institute of Science, Rehovot, Israel
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Rihs S, Parisi L, Lauener A, Mansour F, Schnyder I, Dekany GM, La Scala GC, Katsaros C, Degen M. Reflecting the human lip in vitro: Cleft lip skin and mucosa keratinocytes keep their identities. Oral Dis 2024. [PMID: 38178623 DOI: 10.1111/odi.14844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 12/10/2023] [Indexed: 01/06/2024]
Abstract
OBJECTIVES Cell models have shown great promise as tools for research, potentially providing intriguing alternatives to animal models. However, the original tissue characteristics must be maintained in culture, a fact that is often assumed, but seldom assessed. We aimed to follow the retention of the original tissue identities of cleft lip-derived skin and mucosa keratinocytes in vitro. METHODS Cleft lip-derived keratinocytes were isolated from discarded tissue along the cleft margins during cheiloplasty. Cell identities were assessed by immunohistochemistry and quantitative real-time PCR for tissue-specific markers and compared with native lip tissue. Moreover, keratinocytes were regularly analyzed for the retention of the original tissue characteristics by the aforementioned methods as well as by differentiation assays. RESULTS The various anatomical zones of the human lip could be distinguished using a panel of differentiation and functional-based markers. Using these markers, retention of the original tissue identities could be followed and confirmed in the corresponding primary keratinocytes in culture. CONCLUSIONS Our findings promote patient-derived cells retaining their original identities as astonishing and clinically relevant in vitro tools. Such cells allow a better molecular understanding of various lip-associated pathologies as well as their modeling in vitro, including but not restricted to orofacial clefts.
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Affiliation(s)
- Silvia Rihs
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Ludovica Parisi
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Anic Lauener
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Farah Mansour
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Isabelle Schnyder
- University Clinic for Pediatric Surgery, Bern University Hospital, Bern, Switzerland
| | - Gabriela M Dekany
- University Clinic for Pediatric Surgery, Bern University Hospital, Bern, Switzerland
| | - Giorgio C La Scala
- Division of Pediatric Surgery, Department of Pediatrics, University Hospital of Geneva, Geneva, Switzerland
| | - Christos Katsaros
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Martin Degen
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
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6
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Minoretti P, Emanuele E. Clinically Actionable Topical Strategies for Addressing the Hallmarks of Skin Aging: A Primer for Aesthetic Medicine Practitioners. Cureus 2024; 16:e52548. [PMID: 38371024 PMCID: PMC10874500 DOI: 10.7759/cureus.52548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/18/2024] [Indexed: 02/20/2024] Open
Abstract
In this narrative review, we sought to provide a comprehensive overview of the mechanisms underlying cutaneous senescence, framed by the twelve traditional hallmarks of aging. These include genomic instability, telomere attrition, epigenetic alterations, loss of proteostasis, impaired macroautophagy, deregulated nutrient sensing, mitochondrial dysfunction, cellular senescence, stem cell exhaustion, altered intercellular communication, chronic inflammation, and dysbiosis. We also examined how topical interventions targeting these hallmarks can be integrated with conventional aesthetic medicine techniques to enhance skin rejuvenation. The potential of combining targeted topical therapies against the aging hallmarks with minimally invasive procedures represents a significant advancement in aesthetic medicine, offering personalized and effective strategies to combat skin aging. The reviewed evidence paves the way for future advancements and underscores the transformative potential of integrating scientifically validated interventions targeted against aging hallmarks into traditional aesthetic practices.
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7
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Del Duca E, He H, Liu Y, Pagan AD, David E, Cheng J, Carroll B, Renert-Yuval Y, Bar J, Estrada YD, Maari C, Proulx ESC, Krueger JG, Bissonnette R, Guttman-Yassky E. Intrapatient comparison of atopic dermatitis skin transcriptome shows differences between tape-strips and biopsies. Allergy 2024; 79:80-92. [PMID: 37577841 DOI: 10.1111/all.15845] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 05/26/2023] [Accepted: 06/24/2023] [Indexed: 08/15/2023]
Abstract
BACKGROUND Our knowledge of etiopathogenesis of atopic dermatitis (AD) is largely derived from skin biopsies, which are associated with pain, scarring and infection. In contrast, tape-stripping is a minimally invasive, nonscarring technique to collect skin samples. METHODS To construct a global AD skin transcriptomic profile comparing tape-strips to whole-skin biopsies, we performed RNA-seq on tape-strips and biopsies taken from the lesional skin of 20 moderate-to-severe AD patients and the skin of 20 controls. Differentially expressed genes (DEGs) were defined by fold-change (FCH) ≥2.0 and false discovery rate <0.05. RESULTS We detected 4104 (2513 Up; 1591 Down) and 1273 (546 Up; 727 Down) DEGs in AD versus controls, in tape-strips and biopsies, respectively. Although both techniques captured dysregulation of key immune genes, tape-strips showed higher FCHs for innate immunity (IL-1B, IL-8), dendritic cell (ITGAX/CD11C, FCER1A), Th2 (IL-13, CCL17, TNFRSF4/OX40), and Th17 (CCL20, CXCL1) products, while biopsies showed higher upregulation of Th22 associated genes (IL-22, S100As) and dermal cytokines (IFN-γ, CCL26). Itch-related genes (IL-31, TRPV3) were preferentially captured by tape-strips. Epidermal barrier abnormalities were detected in both techniques, with terminal differentiation defects (FLG2, PSORS1C2) better represented by tape-strips and epidermal hyperplasia changes (KRT16, MKI67) better detected by biopsies. CONCLUSIONS Tape-strips and biopsies capture overlapping but distinct features of the AD molecular signature, suggesting their respective utility for monitoring specific AD-related immune, itch, and barrier abnormalities in clinical trials and longitudinal studies.
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Affiliation(s)
- Ester Del Duca
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
- Department of Dermatology, University of Magna Graecia, Catanzaro, Italy
| | - Helen He
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Ying Liu
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Angel D Pagan
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Eden David
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Julia Cheng
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Britta Carroll
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Yael Renert-Yuval
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
- Laboratory for Investigative Dermatology, The Rockefeller University, New York City, New York, USA
| | - Jonathan Bar
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Yeriel D Estrada
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | | | | | - James G Krueger
- Laboratory for Investigative Dermatology, The Rockefeller University, New York City, New York, USA
| | | | - Emma Guttman-Yassky
- Department of Dermatology, and Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
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8
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Valente-Santos J, Vitorino R, Sousa-Mendes C, Oliveira P, Colaço B, Faustino-Rocha AI, Neuparth MJ, Leite-Moreira A, Duarte JA, Ferreira R, Amado F. Long-Term Exposure to Supraphysiological Levels of Testosterone Impacts Rat Submandibular Gland Proteome. Int J Mol Sci 2023; 25:550. [PMID: 38203721 PMCID: PMC10778877 DOI: 10.3390/ijms25010550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 12/24/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
The salivary glands play a central role in the secretion of saliva, whose composition and volume affect oral and overall health. A lesser-explored dimension encompasses the possible changes in salivary gland proteomes in response to fluctuations in sex hormone levels. This study aimed to examine the effects of chronic exposure to testosterone on salivary gland remodeling, particularly focusing on proteomic adaptations. Therefore, male Wistar rats were implanted with subcutaneous testosterone-releasing devices at 14 weeks of age. Their submandibular glands were histologically and molecularly analyzed 47 weeks later. The results underscored a significant increase in gland mass after testosterone exposure, further supported by histologic evidence of granular duct enlargement. Despite increased circulating sex hormones, there was no detectable shift in the tissue levels of estrogen alpha and androgen receptors. GeLC-MS/MS and subsequent bioinformatics identified 308 proteins in the submandibular glands, 12 of which were modulated by testosterone. Of note was the pronounced upregulation of Klk3 and the downregulation of Klk6 and Klk7 after testosterone exposure. Protein-protein interaction analysis with the androgen receptor suggests that Klk3 is a potential target of androgenic signaling, paralleling previous findings in the prostate. This exploratory analysis sheds light on the response of salivary glands to testosterone exposure, providing proteome-level insights into the associated weight and histological changes.
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Affiliation(s)
- João Valente-Santos
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (J.V.-S.); (R.F.)
| | - Rui Vitorino
- Department of Medical Sciences, Institute of Biomedicine-iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Cláudia Sousa-Mendes
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; (C.S.-M.); (A.L.-M.)
| | - Paula Oliveira
- Centre for Research and Technology of Agro Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal; (P.O.); (A.I.F.-R.)
| | - Bruno Colaço
- Veterinary and Animal Research Centre (CECAV), Associate Laboratory for Animal and Veterinary Sciences (AL4AnimalS), Department of Animal Science, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal;
| | - Ana I. Faustino-Rocha
- Centre for Research and Technology of Agro Environmental and Biological Sciences (CITAB), Inov4Agro, University of Trás-os-Montes and Alto Douro (UTAD), Quinta de Prados, 5000-801 Vila Real, Portugal; (P.O.); (A.I.F.-R.)
- Comprehensive Health Research Center, Department of Zootechnics, School of Sciences and Technology, University of Évora, 7006-554 Évora, Portugal
| | - Maria João Neuparth
- Laboratory for Integrative and Translational Research in Population Health (ITR), Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto, 4200-450 Porto, Portugal; (M.J.N.); (J.A.D.)
- TOXRUN—Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal
| | - Adelino Leite-Moreira
- UnIC@RISE, Department of Surgery and Physiology, Faculty of Medicine of the University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal; (C.S.-M.); (A.L.-M.)
| | - José Alberto Duarte
- Laboratory for Integrative and Translational Research in Population Health (ITR), Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto, 4200-450 Porto, Portugal; (M.J.N.); (J.A.D.)
- TOXRUN—Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal
| | - Rita Ferreira
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (J.V.-S.); (R.F.)
| | - Francisco Amado
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (J.V.-S.); (R.F.)
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9
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Peña-Corona SI, Gutiérrez-Ruiz SC, Echeverria MDLDC, Cortés H, González-Del Carmen M, Leyva-Gómez G. Advances in the treatment of autosomal recessive congenital ichthyosis, a look towards the repositioning of drugs. Front Pharmacol 2023; 14:1274248. [PMID: 38027029 PMCID: PMC10665491 DOI: 10.3389/fphar.2023.1274248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023] Open
Abstract
Autosomal recessive congenital ichthyoses (ARCI) are a skin pathology due to genetic causes characterized by a variable degree of desquamation, accompanied by erythema. The degree of symptoms is variable, different altered genes are involved, and the symptoms drastically affect patients' quality of life. Topical treatments are a first-choice strategy due to their ease of application and cost; however, enteral administration of retinoids offers greater efficacy, although with certain limitations. Despite the treatment alternatives, ARCI will persist throughout life, disabling people. Therefore, the search for new treatments always remains necessary. Especially repositioning drugs could be a short-term alternative to new affordable treatments for patients. Taking advantage of extensive knowledge of known drugs or biologics could ensure more accessible and possibly lower-cost treatments. This review briefly and concisely addresses possible repositioning strategies with drugs and biologics for ichthyosis.
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Affiliation(s)
- Sheila I. Peña-Corona
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
| | | | | | - Hernán Cortés
- Laboratorio de Medicina Genómica, Departamento de Genómica, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Ciudad de Mexico, Mexico
| | | | - Gerardo Leyva-Gómez
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
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10
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Dragan M, Chen Z, Li Y, Le J, Sun P, Haensel D, Sureshchandra S, Pham A, Lu E, Pham KT, Verlande A, Vu R, Gutierrez G, Li W, Jang C, Masri S, Dai X. Ovol1/2 loss-induced epidermal defects elicit skin immune activation and alter global metabolism. EMBO Rep 2023; 24:e56214. [PMID: 37249012 PMCID: PMC10328084 DOI: 10.15252/embr.202256214] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 04/29/2023] [Accepted: 05/10/2023] [Indexed: 05/31/2023] Open
Abstract
Skin epidermis constitutes the outer permeability barrier that protects the body from dehydration, heat loss, and myriad external assaults. Mechanisms that maintain barrier integrity in constantly challenged adult skin and how epidermal dysregulation shapes the local immune microenvironment and whole-body metabolism remain poorly understood. Here, we demonstrate that inducible and simultaneous ablation of transcription factor-encoding Ovol1 and Ovol2 in adult epidermis results in barrier dysregulation through impacting epithelial-mesenchymal plasticity and inflammatory gene expression. We find that aberrant skin immune activation then ensues, featuring Langerhans cell mobilization and T cell responses, and leading to elevated levels of secreted inflammatory factors in circulation. Finally, we identify failure to gain body weight and accumulate body fat as long-term consequences of epidermal-specific Ovol1/2 loss and show that these global metabolic changes along with the skin barrier/immune defects are partially rescued by immunosuppressant dexamethasone. Collectively, our study reveals key regulators of adult barrier maintenance and suggests a causal connection between epidermal dysregulation and whole-body metabolism that is in part mediated through aberrant immune activation.
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Affiliation(s)
- Morgan Dragan
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
- The NSF‐Simons Center for Multiscale Cell Fate ResearchUniversity of CaliforniaIrvineCAUSA
| | - Zeyu Chen
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
- Present address:
Department of Dermatology, Shanghai Tenth People's HospitalTongji University School of MedicineShanghaiChina
- Present address:
Institute of PsoriasisTongji University School of MedicineShanghaiChina
| | - Yumei Li
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Johnny Le
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Peng Sun
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Daniel Haensel
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
- Present address:
Program in Epithelial BiologyStanford University School of MedicineStanfordCAUSA
| | - Suhas Sureshchandra
- Department of Physiology and Biophysics, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Anh Pham
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Eddie Lu
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Katherine Thanh Pham
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Amandine Verlande
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Remy Vu
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
- The NSF‐Simons Center for Multiscale Cell Fate ResearchUniversity of CaliforniaIrvineCAUSA
| | - Guadalupe Gutierrez
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Wei Li
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Cholsoon Jang
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Selma Masri
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
| | - Xing Dai
- Department of Biological Chemistry, School of MedicineUniversity of CaliforniaIrvineCAUSA
- The NSF‐Simons Center for Multiscale Cell Fate ResearchUniversity of CaliforniaIrvineCAUSA
- Department of Dermatology, School of MedicineUniversity of CaliforniaIrvineCAUSA
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11
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Chiba Y, Yoshizaki K, Sato H, Ikeuchi T, Rhodes C, Chiba M, Saito K, Nakamura T, Iwamoto T, Yamada A, Yamada Y, Fukumoto S. Deficiency of G protein-coupled receptor Gpr111/Adgrf2 causes enamel hypomineralization in mice by alteration of the expression of kallikrein-related peptidase 4 (Klk4) during pH cycling process. FASEB J 2023; 37:e22861. [PMID: 36929047 DOI: 10.1096/fj.202202053r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 03/18/2023]
Abstract
Enamel is formed by the repetitive secretion of a tooth-specific extracellular matrix and its decomposition. Calcification of the enamel matrix via hydroxyapatite (HAP) maturation requires pH cycling to be tightly regulated through the neutralization of protons released during HAP synthesis. We found that Gpr115, which responds to changes in extracellular pH, plays an important role in enamel formation. Gpr115-deficient mice show partial enamel hypomineralization, suggesting that other pH-responsive molecules may be involved. In this study, we focused on the role of Gpr111/Adgrf2, a duplicate gene of Gpr115, in tooth development. Gpr111 was highly expressed in mature ameloblasts. Gpr111-KO mice showed enamel hypomineralization. Dysplasia of enamel rods and high carbon content seen in Gpr111-deficient mice suggested the presence of residual enamel matrices in enamel. Depletion of Gpr111 in dental epithelial cells induced the expression of ameloblast-specific protease, kallikrein-related peptidase 4 (Klk4), suggesting that Gpr111 may act as a suppressor of Klk4 expression. Moreover, reduction of extracellular pH to 6.8 suppressed the expression of Gpr111, while the converse increased Klk4 expression. Such induction of Klk4 was synergistically enhanced by Gpr111 knockdown, suggesting that proper enamel mineralization may be linked to the modulation of Klk4 expression by Gpr111. Furthermore, our in vitro suppression of Gpr111 and Gpr115 expression indicated that their suppressive effect on calcification was additive. These results suggest that both Gpr111 and Gpr115 respond to extracellular pH, contribute to the expression of proteolytic enzymes, and regulate the pH cycle, thereby playing important roles in enamel formation.
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Affiliation(s)
- Yuta Chiba
- Section of Pediatric Dentistry, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Keigo Yoshizaki
- Section of Orthodontics and Dentofacial Orthopedics, Division of Oral Health, Growth, and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan
| | - Hiroshi Sato
- Section of Pediatric Dentistry, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan
| | - Tomoko Ikeuchi
- Division of Pediatric Dentistry, Laboratory of Cell and Developmental Biology, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Craig Rhodes
- Division of Pediatric Dentistry, Laboratory of Cell and Developmental Biology, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, Maryland, USA
| | - Mitsuki Chiba
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Kan Saito
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Takashi Nakamura
- Division of Molecular Pharmacology and Cell Biophysics, Department of Disease Management Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Tsutomu Iwamoto
- Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Department of Pediatric Dentistry/Special Needs Dentistry, Tokyo Medical and Dental University, Tokyo, Japan
| | - Aya Yamada
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Yoshihiko Yamada
- Section of Orthodontics and Dentofacial Orthopedics, Division of Oral Health, Growth, and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan
| | - Satoshi Fukumoto
- Section of Pediatric Dentistry, Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
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12
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Canbay V, Auf dem Keller U. New links for meprin β within the protease web. FEBS J 2023; 290:76-79. [PMID: 36102354 PMCID: PMC10087362 DOI: 10.1111/febs.16621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 01/14/2023]
Abstract
Proteases are organised in interconnected networks, together forming the protease web whose disturbance can have detrimental consequences for tissue homeostasis and response to environmental insults. Membrane-anchored sheddases are proteases that themselves can be released into the pericellular space by ectodomain shedding. Werny et al. have uncovered unexpected promiscuity in ectodomain shedding of meprin β, a metalloprotease with critical functions in inflammation and fibrosis. These findings suggest new links within complex proteolytic networks like the epidermal protease network with potential implications for skin homeostasis, inflammation and response to injury. Comment on: https://doi.org/10.1111/febs.16586.
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Affiliation(s)
- Vahap Canbay
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Ulrich Auf dem Keller
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kongens Lyngby, Denmark
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13
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Chavarria-Smith J, Chiu CPC, Jackman JK, Yin J, Zhang J, Hackney JA, Lin WY, Tyagi T, Sun Y, Tao J, Dunlap D, Morton WD, Ghodge SV, Maun HR, Li H, Hernandez-Barry H, Loyet KM, Chen E, Liu J, Tam C, Yaspan BL, Cai H, Balazs M, Arron JR, Li J, Wittwer AJ, Pappu R, Austin CD, Lee WP, Lazarus RA, Sudhamsu J, Koerber JT, Yi T. Dual antibody inhibition of KLK5 and KLK7 for Netherton syndrome and atopic dermatitis. Sci Transl Med 2022; 14:eabp9159. [PMID: 36516271 DOI: 10.1126/scitranslmed.abp9159] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The epidermis is a barrier that prevents water loss while keeping harmful substances from penetrating the host. The impermeable cornified layer of the stratum corneum is maintained by balancing continuous turnover driven by epidermal basal cell proliferation, suprabasal cell differentiation, and corneal shedding. The epidermal desquamation process is tightly regulated by balance of the activities of serine proteases of the Kallikrein-related peptidases (KLK) family and their cognate inhibitor lymphoepithelial Kazal type-related inhibitor (LEKTI), which is encoded by the serine peptidase inhibitor Kazal type 5 gene. Imbalance of proteolytic activity caused by a deficiency of LEKTI leads to excessive desquamation due to increased activities of KLK5, KLK7, and KLK14 and results in Netherton syndrome (NS), a debilitating condition with an unmet clinical need. Increased activity of KLKs may also be pathological in other dermatoses such as atopic dermatitis (AD). Here, we describe the discovery of inhibitory antibodies against murine KLK5 and KLK7 that could compensate for the deficiency of LEKTI in NS. These antibodies are protective in mouse models of NS and AD and, when combined, promote improved skin barrier integrity and reduced inflammation. To translate these findings, we engineered a humanized bispecific antibody capable of potent inhibition of human KLK5 and KLK7. A crystal structure of KLK5 bound to the inhibitory Fab revealed that the antibody binds distal to its active site and uses a relatively unappreciated allosteric inhibition mechanism. Treatment with the bispecific anti-KLK5/7 antibody represents a promising therapy for clinical development in NS and other inflammatory dermatoses.
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Affiliation(s)
- Joseph Chavarria-Smith
- Department of Immunology Discovery, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Cecilia P C Chiu
- Department of Antibody Engineering, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Janet K Jackman
- Department of Immunology Discovery, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Jianping Yin
- Department of Structural Biology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Juan Zhang
- Department of Translational Immunology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Jason A Hackney
- Department of Bioinformatics, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Wei-Yu Lin
- Department of Antibody Engineering, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Tulika Tyagi
- Department of Antibody Engineering, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Yonglian Sun
- Department of Antibody Engineering, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Janet Tao
- Department of Pathology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Debra Dunlap
- Department of Pathology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - William D Morton
- Confluence Discovery Technologies Inc., 4320 Duncan Ave, Suite 400, St. Louis, MO 63108, USA
| | - Swapnil V Ghodge
- Departments of Biological Chemistry and Early Discovery Biochemistry, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Henry R Maun
- Departments of Biological Chemistry and Early Discovery Biochemistry, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Hong Li
- Department of Protein Chemistry, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Hilda Hernandez-Barry
- Department of Biochemical and Cellular Pharmacology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Kelly M Loyet
- Department of Biochemical and Cellular Pharmacology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Emily Chen
- Department of Translational Immunology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - John Liu
- Department of Translational Immunology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Christine Tam
- Department of Biomolecular Resources, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Brian L Yaspan
- Department of Human Genetics, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Hao Cai
- Department of Preclinical and Translational Pharmacokinetics, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Mercedesz Balazs
- Department of Biochemical and Cellular Pharmacology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Joseph R Arron
- Department of Immunology Discovery, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Jing Li
- Department of Biochemical and Cellular Pharmacology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Arthur J Wittwer
- Confluence Discovery Technologies Inc., 4320 Duncan Ave, Suite 400, St. Louis, MO 63108, USA
| | - Rajita Pappu
- Department of Immunology Discovery, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Cary D Austin
- Department of Pathology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Wyne P Lee
- Department of Translational Immunology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Robert A Lazarus
- Departments of Biological Chemistry and Early Discovery Biochemistry, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Jawahar Sudhamsu
- Department of Structural Biology, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - James T Koerber
- Department of Antibody Engineering, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - Tangsheng Yi
- Department of Immunology Discovery, Genentech Inc., 1 DNA Way, South San Francisco, CA 94080, USA
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14
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Ågren MS, Litman T, Eriksen JO, Schjerling P, Bzorek M, Gjerdrum LMR. Gene Expression Linked to Reepithelialization of Human Skin Wounds. Int J Mol Sci 2022; 23:ijms232415746. [PMID: 36555389 PMCID: PMC9779194 DOI: 10.3390/ijms232415746] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/09/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
Our understanding of the regulatory processes of reepithelialization during wound healing is incomplete. In an attempt to map the genes involved in epidermal regeneration and differentiation, we measured gene expression in formalin-fixed, paraffin-embedded standardized epidermal wounds induced by the suction-blister technique with associated nonwounded skin using NanoString technology. The transcripts of 139 selected genes involved in clotting, immune response to tissue injury, signaling pathways, cell adhesion and proliferation, extracellular matrix remodeling, zinc transport and keratinocyte differentiation were evaluated. We identified 22 upregulated differentially expressed genes (DEGs) in descending order of fold change (MMP1, MMP3, IL6, CXCL8, SERPINE1, IL1B, PTGS2, HBEGF, CXCL5, CXCL2, TIMP1, CYR61, CXCL1, MMP12, MMP9, HGF, CTGF, ITGB3, MT2A, FGF7, COL4A1 and PLAUR). The expression of the most upregulated gene, MMP1, correlated strongly with MMP3 followed by IL6 and IL1B. rhIL-1β, but not rhIL-6, exposure of cultured normal human epidermal keratinocytes and normal human dermal fibroblasts increased both MMP1 mRNA and MMP-1 protein levels, as well as TIMP1 mRNA levels. The increased TIMP1 in wounds was validated by immunohistochemistry. The six downregulated DEGs (COL7A1, MMP28, SLC39A2, FLG1, KRT10 and FLG2) were associated with epidermal maturation. KLK8 showed the strongest correlation with MKI67 mRNA levels and is a potential biomarker for keratinocyte proliferation. The observed gene expression changes correlate well with the current knowledge of physiological reepithelialization. Thus, the gene expression panel described in this paper could be used in patients with impaired healing to identify possible therapeutic targets.
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Affiliation(s)
- Magnus S. Ågren
- Department of Dermatology and Copenhagen Wound Healing Center, Bispebjerg Hospital, University of Copenhagen, 2400 Copenhagen, Denmark
- Digestive Disease Center, Bispebjerg Hospital, University of Copenhagen, 2400 Copenhagen, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
- Correspondence:
| | - Thomas Litman
- Department of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Jens Ole Eriksen
- Department of Pathology, Zealand University Hospital, 4000 Roskilde, Denmark
| | - Peter Schjerling
- Institute of Sports Medicine Copenhagen, Department of Orthopedic Surgery, Copenhagen University Hospital—Bispebjerg-Frederiksberg, 2400 Copenhagen, Denmark
- Center for Healthy Aging, Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
| | - Michael Bzorek
- Department of Pathology, Zealand University Hospital, 4000 Roskilde, Denmark
| | - Lise Mette Rahbek Gjerdrum
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
- Department of Pathology, Zealand University Hospital, 4000 Roskilde, Denmark
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15
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Matus CE, Ehrenfeld P, Figueroa CD. The family of kallikrein-related peptidases and kinin peptides as modulators of epidermal homeostasis. Am J Physiol Cell Physiol 2022; 323:C1070-C1087. [PMID: 35993513 DOI: 10.1152/ajpcell.00012.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The epidermis is the outermost skin layer and is part of one of the largest organs in the body; it is supported by the dermis, a network of fibrils, blood vessels, pilosebaceous units, sweat glands, nerves, and cells. The skin as a whole is a protective shield against numerous noxious agents, including microorganisms and chemical and physical factors. These functions rely on the activity of multiple growth factors, peptide hormones, proteases, and specific signaling pathways that are triggered by the activation of distinct types of receptors sited in the cell membranes of the various cell types present in the skin. The human kallikrein family comprises a large group of 15 serine proteases synthesized and secreted by different types of epithelial cells throughout the body, including the skin. At this site, they initiate a proteolytic cascade that generates the active forms of the proteases, some of which regulate skin desquamation, activation of cytokines, and antimicrobial peptides. Kinin peptides are formed by the action of plasma and tissue kallikreins on kininogens, two plasma proteins produced in the liver and other organs. Although kinins are well known for their proinflammatory abilities, in the skin they are also considered important modulators of keratinocyte differentiation. In this review, we summarize the contributions of the kallikreins and kallikrein-related peptidases family and those of kinins and their receptors in skin homeostasis, with special emphasis on their pathophysiological role.
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Affiliation(s)
- Carola E Matus
- Departament of Basic Sciences, Faculty of Medicine, Universidad de La Frontera, Temuco, Chile.,Center of Molecular Biology and Pharmacogenetics, Universidad de La Frontera, Temuco, Chile.,Center of Biomedical and Morphofunctional Sciences, Universidad de La Frontera, Temuco, Chile
| | - Pamela Ehrenfeld
- Laboratory of Cellular Pathology, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile.,Center for Interdisciplinary Studies on Nervous System (CISNe), Universidad Austral de Chile, Valdivia, Chile
| | - Carlos D Figueroa
- Laboratory of Cellular Pathology, Institute of Anatomy, Histology and Pathology, Faculty of Medicine, Universidad Austral de Chile, Valdivia, Chile.,Center for Interdisciplinary Studies on Nervous System (CISNe), Universidad Austral de Chile, Valdivia, Chile
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16
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Chikhaoui A, Jones M, Režen T, Ben Ahmed M, Naouali C, Komel R, Zghal M, Boubaker S, Abdelhak S, Yacoub-Youssef H. Inflammatory landscape in Xeroderma pigmentosum patients with cutaneous melanoma. Sci Rep 2022; 12:13854. [PMID: 35974070 PMCID: PMC9381529 DOI: 10.1038/s41598-022-17928-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 08/02/2022] [Indexed: 11/09/2022] Open
Abstract
Xeroderma pigmentosum (XP) is a DNA repair disease that predisposes to early skin cancers as cutaneous melanoma. Melanoma microenvironment contains inflammatory mediators, which would be interesting biomarkers for the prognosis or for the identification of novel therapeutic targets. We used a PCR array to evaluate the transcriptional pattern of 84 inflammatory genes in melanoma tumors obtained from XP patients (XP-Mel) and in sporadic melanoma (SP-Mel) compared to healthy skin. Commonly expressed inflammatory genes were further explored via GTEx and GEPIA databases. The differentially expressed inflammatory genes in XP were compared to their expression in skin exposed to UVs, and evaluated on the basis of the overall survival outcomes of patients with melanoma. Monocyte subsets of patients with SP-Mel, XP and healthy donors were also assessed. PCR array data revealed that 34 inflammatory genes were under-expressed in XP-Mel compared to SP-Mel. Differentially expressed genes that were common in XP-Mel and SP-Mel were correlated with the transcriptomic datasets from GEPIA and GTEx and highlighted the implication of KLK1 and IL8 in the tumorigenesis. We showed also that in XP-Mel tumors, there was an overexpression of KLK6 and KLK10 genes, which seems to be associated with a bad survival rate. As for the innate immunity, we observed a decrease of intermediate monocytes in patients with SP-Mel and in XP. We highlight an alteration in the immune response in XP patients. We identified candidate biomarkers involved in the tumorigenesis, and in the survival of patients with melanoma. Intermediate monocyte's in patients at risk could be a prognostic biomarker for melanoma outcome.
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Affiliation(s)
- Asma Chikhaoui
- Laboratoire de Génomique Biomédicale Et Oncogénétique (LR16IPT05), Institut Pasteur de Tunis, Tunis, Tunisia.,Université Tunis El Manar, Tunis, Tunisia
| | - Meriem Jones
- Département de Dermatologie, Hôpital Charles Nicolle de Tunis, Tunis, Tunisia
| | - Tadeja Režen
- Faculty of Medicine, Centre for Functional Genomics and Bio-Chips and Medical Centre for Molecular Biology, Institute of Biochemistry and Molecular Genetics, University of Ljubljana, Ljubljana, Slovenia
| | - Melika Ben Ahmed
- Laboratoire de Transmission, Contrôle Et Immunobiologie de L'infection, LR16IPT02, Institut Pasteur de Tunis Université de Tunis El Manar I, 2092, Tunis, Tunisia
| | - Chokri Naouali
- Laboratoire de Génomique Biomédicale Et Oncogénétique (LR16IPT05), Institut Pasteur de Tunis, Tunis, Tunisia.,Université Tunis El Manar, Tunis, Tunisia
| | - Radovan Komel
- Faculty of Medicine, Centre for Functional Genomics and Bio-Chips and Medical Centre for Molecular Biology, Institute of Biochemistry and Molecular Genetics, University of Ljubljana, Ljubljana, Slovenia
| | - Mohamed Zghal
- Département de Dermatologie, Hôpital Charles Nicolle de Tunis, Tunis, Tunisia
| | - Samir Boubaker
- Laboratoire de Génomique Biomédicale Et Oncogénétique (LR16IPT05), Institut Pasteur de Tunis, Tunis, Tunisia.,Université Tunis El Manar, Tunis, Tunisia
| | - Sonia Abdelhak
- Laboratoire de Génomique Biomédicale Et Oncogénétique (LR16IPT05), Institut Pasteur de Tunis, Tunis, Tunisia.,Université Tunis El Manar, Tunis, Tunisia
| | - Houda Yacoub-Youssef
- Laboratoire de Génomique Biomédicale Et Oncogénétique (LR16IPT05), Institut Pasteur de Tunis, Tunis, Tunisia. .,Université Tunis El Manar, Tunis, Tunisia.
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17
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Rabé M, Fonteneau L, Oliver L, Morales-Molina A, Jubelin C, Garcia-Castro J, Heymann D, Gratas C, Vallette FM. Cellular Heterogeneity and Cooperativity in Glioma Persister Cells Under Temozolomide Treatment. Front Cell Dev Biol 2022; 10:835273. [PMID: 35693929 PMCID: PMC9174429 DOI: 10.3389/fcell.2022.835273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 04/15/2022] [Indexed: 12/05/2022] Open
Abstract
We have observed a drug-tolerant/persister state in a human glioblastoma (GBM) cell line after exposure to temozolomide, the standard-of-care chemotherapeutic agent for GBM. We used a multicolor lentiviral genetic barcode labeling to follow cell population evolution during temozolomide treatment. We observed no change in the distribution of the different colored populations of cells in persister or resistant cells suggesting that pre-existing minor subpopulations, which would be expected to be restricted to a single color, were not amplified/selected during the response to the drug. We have previously identified four genes (CHI3L1, FAT2, KLK5, and HB-EGF) that were over-expressed during the persister stage. Single-cell analysis of these four genes indicated that they were expressed in different individual cells ruling out the existence of a single persister-specific clone but suggesting rather a global answer. Even so, the transitory silencing of CHI3L1, FAT2, or KLK5 influenced the expression of the other three genes and the survival of U251 cells in absence of temozolomide. Since proteins encoded by the four genes are all localized in the extracellular matrix or interact within the extracellular compartment, we propose that cellular interactions and communications are important during the persister stage before the acquisition of chemo-resistance. Thus, persisters might be a new therapeutically relevant target in GBM.
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Affiliation(s)
- Marion Rabé
- Université de Nantes, INSERM U1232, CRCINA, Nantes, France
| | | | - Lisa Oliver
- Université de Nantes, INSERM U1232, CRCINA, Nantes, France
- CHU Nantes, Nantes, France
| | | | - Camille Jubelin
- Université de Nantes, INSERM U1232, CRCINA, Nantes, France
- Institut de Cancérologie de l'Ouest-St Herblain, Saint-Herblain, France
| | | | - Dominique Heymann
- Université de Nantes, INSERM U1232, CRCINA, Nantes, France
- Institut de Cancérologie de l'Ouest-St Herblain, Saint-Herblain, France
| | - Catherine Gratas
- Université de Nantes, INSERM U1232, CRCINA, Nantes, France
- CHU Nantes, Nantes, France
| | - François M. Vallette
- Université de Nantes, INSERM U1232, CRCINA, Nantes, France
- Institut de Cancérologie de l'Ouest-St Herblain, Saint-Herblain, France
- *Correspondence: François M. Vallette,
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18
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Krueger A, Mohamed A, Kolka CM, Stoll T, Zaugg J, Linedale R, Morrison M, Soyer HP, Hugenholtz P, Frazer IH, Hill MM. Skin Cancer-Associated S. aureus Strains Can Induce DNA Damage in Human Keratinocytes by Downregulating DNA Repair and Promoting Oxidative Stress. Cancers (Basel) 2022; 14:2143. [PMID: 35565272 PMCID: PMC9106025 DOI: 10.3390/cancers14092143] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 04/14/2022] [Accepted: 04/18/2022] [Indexed: 12/19/2022] Open
Abstract
Actinic keratosis (AK) is a premalignant lesion, common on severely photodamaged skin, that can progress over time to cutaneous squamous cell carcinoma (SCC). A high bacterial load of Staphylococcus aureus is associated with AK and SCC, but it is unknown whether this has a direct impact on skin cancer development. To determine whether S. aureus can have cancer-promoting effects on skin cells, we performed RNA sequencing and shotgun proteomics on primary human keratinocytes after challenge with sterile culture supernatant ('secretome') from four S. aureus clinical strains isolated from AK and SCC. Secretomes of two of the S. aureus strains induced keratinocytes to overexpress biomarkers associated with skin carcinogenesis and upregulated the expression of enzymes linked to reduced skin barrier function. Further, these strains induced oxidative stress markers and all secretomes downregulated DNA repair mechanisms. Subsequent experiments on an expanded set of lesion-associated S. aureus strains confirmed that exposure to their secretomes led to increased oxidative stress and DNA damage in primary human keratinocytes. A significant correlation between the concentration of S. aureus phenol soluble modulin toxins in secretome and the secretome-induced level of oxidative stress and genotoxicity in keratinocytes was observed. Taken together, these data demonstrate that secreted compounds from lesion-associated clinical isolates of S. aureus can have cancer-promoting effects in keratinocytes that may be relevant to skin oncogenesis.
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Affiliation(s)
- Annika Krueger
- The University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Translational Research Institute, Woolloongabba, QLD 4102, Australia; (A.K.); (R.L.); (M.M.); (I.H.F.)
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; (A.M.); (C.M.K.); (T.S.)
| | - Ahmed Mohamed
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; (A.M.); (C.M.K.); (T.S.)
| | - Cathryn M. Kolka
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; (A.M.); (C.M.K.); (T.S.)
| | - Thomas Stoll
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; (A.M.); (C.M.K.); (T.S.)
| | - Julian Zaugg
- Australian Centre for Ecogenomics, School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, QLD 4072, Australia; (J.Z.); (P.H.)
| | - Richard Linedale
- The University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Translational Research Institute, Woolloongabba, QLD 4102, Australia; (A.K.); (R.L.); (M.M.); (I.H.F.)
| | - Mark Morrison
- The University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Translational Research Institute, Woolloongabba, QLD 4102, Australia; (A.K.); (R.L.); (M.M.); (I.H.F.)
| | - H. Peter Soyer
- Dermatology Research Centre, The University of Queensland Diamantina Institute, The University of Queensland, Brisbane, QLD 4102, Australia;
- Dermatology Department, Princess Alexandra Hospital, Brisbane, QLD 4102, Australia
| | - Philip Hugenholtz
- Australian Centre for Ecogenomics, School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, QLD 4072, Australia; (J.Z.); (P.H.)
| | - Ian H. Frazer
- The University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Translational Research Institute, Woolloongabba, QLD 4102, Australia; (A.K.); (R.L.); (M.M.); (I.H.F.)
| | - Michelle M. Hill
- The University of Queensland Diamantina Institute, Faculty of Medicine, The University of Queensland, Translational Research Institute, Woolloongabba, QLD 4102, Australia; (A.K.); (R.L.); (M.M.); (I.H.F.)
- QIMR Berghofer Medical Research Institute, Herston, Brisbane, QLD 4006, Australia; (A.M.); (C.M.K.); (T.S.)
- The University of Queensland Centre for Clinical Research, Faculty of Medicine, The University of Queensland, Herston, QLD 4006, Australia
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19
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Srinivasan S, Kryza T, Batra J, Clements J. Remodelling of the tumour microenvironment by the kallikrein-related peptidases. Nat Rev Cancer 2022; 22:223-238. [PMID: 35102281 DOI: 10.1038/s41568-021-00436-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 12/06/2021] [Indexed: 02/07/2023]
Abstract
Kallikrein-related peptidases (KLKs) are critical regulators of the tumour microenvironment. KLKs are proteolytic enzymes regulating multiple functions of bioactive molecules including hormones and growth factors, membrane receptors and the extracellular matrix architecture involved in cancer progression and metastasis. Perturbations of the proteolytic cascade generated by these peptidases, and their downstream signalling actions, underlie tumour emergence or blockade of tumour growth. Recent studies have also revealed their role in tumour immune suppression and resistance to cancer therapy. Here, we present an overview of the complex biology of the KLK family and its context-dependent nature in cancer, and discuss the different therapeutic strategies available to potentially target these proteases.
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Affiliation(s)
- Srilakshmi Srinivasan
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
- Australian Prostate Cancer Research Centre-Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Thomas Kryza
- Australian Prostate Cancer Research Centre-Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
- Mater Research Institute, The University of Queensland, Woolloongabba, Brisbane, Queensland, Australia
| | - Jyotsna Batra
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia
- Australian Prostate Cancer Research Centre-Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
- Centre for Genomics and Personalised Medicine, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Judith Clements
- School of Biomedical Sciences, Faculty of Health, Queensland University of Technology, Brisbane, Queensland, Australia.
- Australian Prostate Cancer Research Centre-Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia.
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20
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Stewart-McGuinness C, Platt CI, Ozols M, Goh B, Griffiths TW, Sherratt MJ. Defining the Protease and Protease Inhibitor (P/PI) Proteomes of Healthy and Diseased Human Skin by Modified Systematic Review. Biomolecules 2022; 12:475. [PMID: 35327667 PMCID: PMC8946613 DOI: 10.3390/biom12030475] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 03/09/2022] [Accepted: 03/18/2022] [Indexed: 12/26/2022] Open
Abstract
Proteases and protease inhibitors (P/PIs) are involved in many biological processes in human skin, yet often only specific families or related groups of P/PIs are investigated. Proteomics approaches, such as mass spectrometry, can define proteome signatures (including P/PIs) in tissues; however, they struggle to detect low-abundance proteins. To overcome these issues, we aimed to produce a comprehensive proteome of all P/PIs present in normal and diseased human skin, in vivo, by carrying out a modified systematic review using a list of P/PIs from MEROPS and combining this with key search terms in Web of Science. Resulting articles were manually reviewed against inclusion/exclusion criteria and a dataset constructed. This study identified 111 proteases and 77 protease inhibitors in human skin, comprising the serine, metallo-, cysteine and aspartic acid catalytic families of proteases. P/PIs showing no evidence of catalytic activity or protease inhibition, were designated non-peptidase homologs (NPH), and no reported protease inhibitory activity (NRPIA), respectively. MMP9 and TIMP1 were the most frequently published P/PIs and were reported in normal skin and most skin disease groups. Normal skin and diseased skin showed significant overlap with respect to P/PI profile; however, MMP23 was identified in several skin disease groups, but was absent in normal skin. The catalytic profile of P/PIs in wounds, scars and solar elastosis was distinct from normal skin, suggesting that a different group of P/PIs is responsible for disease progression. In conclusion, this study uses a novel approach to provide a comprehensive inventory of P/PIs in normal and diseased human skin reported in our database. The database may be used to determine either which P/PIs are present in specific diseases or which diseases individual P/PIs may influence.
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Affiliation(s)
- Callum Stewart-McGuinness
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, School of Biological Sciences, The University of Manchester, Manchester M13 9PT, UK; (C.S.-M.); (M.O.); (B.G.); (M.J.S.)
| | - Christopher I. Platt
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, School of Biological Sciences, The University of Manchester, Manchester M13 9PT, UK; (C.S.-M.); (M.O.); (B.G.); (M.J.S.)
| | - Matiss Ozols
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, School of Biological Sciences, The University of Manchester, Manchester M13 9PT, UK; (C.S.-M.); (M.O.); (B.G.); (M.J.S.)
- Department of Human Genetics, Wellcome Sanger Institute, Genome Campus, Hinxton CB10 1SA, UK
- British Heart Foundation Centre of Research Excellence, University of Cambridge, Cambridge CB2 0QQ, UK
| | - Brian Goh
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, School of Biological Sciences, The University of Manchester, Manchester M13 9PT, UK; (C.S.-M.); (M.O.); (B.G.); (M.J.S.)
| | - Tamara W. Griffiths
- Centre for Dermatology Research, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester M13 9PL, UK;
| | - Michael J. Sherratt
- Division of Cell Matrix Biology & Regenerative Medicine, Faculty of Biology, Medicine and Health, School of Biological Sciences, The University of Manchester, Manchester M13 9PT, UK; (C.S.-M.); (M.O.); (B.G.); (M.J.S.)
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21
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Starr I, Seiffert-Sinha K, Sinha AA, Gokcumen O. Evolutionary context of psoriatic immune skin response. Evol Med Public Health 2022; 9:474-486. [PMID: 35154781 PMCID: PMC8830311 DOI: 10.1093/emph/eoab042] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 11/22/2021] [Indexed: 12/18/2022] Open
Abstract
The skin is vital for protecting the body and perceiving external stimuli in the environment. Ability to adapt between environments is in part based on skin phenotypic plasticity, indicating evolved homeostasis between skin and environment. This homeostasis reflects the greater relationship between the body and the environment, and disruptions in this balance may lead to accumulation of susceptibility factors for autoimmune conditions like psoriasis. In this study, we examined the relationship between rapid, lineage-specific evolution of human skin and formation of psoriatic skin responses at the transcriptome level. We collected skin tissue biopsies from individuals with psoriasis and compared gene expression in psoriatic plaques to non-plaque psoriatic skin. We then compared these data with non-psoriatic skin transcriptome data from multiple primate species. We found 67 genes showing human-specific skin expression that are also differentially regulated in psoriatic skin; these genes are significantly enriched for skin barrier function, immunity and neuronal development. We identified six gene clusters with differential expression in the context of human evolution and psoriasis, suggesting underlying regulatory mechanisms in these loci. Human and psoriasis-specific enrichment of neuroimmune genes shows the importance of the ongoing evolved homeostatic relationship between skin and external environment. These results have implications for both evolutionary medicine and public health, using transcriptomic data to acknowledge the importance of an individual’s surroundings on their overall health. The skin is important for protecting the body from the environment and perceiving external stimuli, creating an evolved balance between skin and the environment. We compare skin gene expression in humans with psoriasis to humans and non-human primates without psoriasis to better understand human-specific evolutionary changes in the skin. Our results suggest important evolutionary links between skin perception, human-specific skin development and immune response.
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Affiliation(s)
- Izzy Starr
- Department of Biological Sciences, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Kristina Seiffert-Sinha
- Department of Dermatology, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Animesh A Sinha
- Department of Dermatology, University at Buffalo, The State University of New York, Buffalo, NY, USA
| | - Omer Gokcumen
- Department of Biological Sciences, University at Buffalo, The State University of New York, Buffalo, NY, USA
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22
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Label-Free Quantitative Proteomics to Explore the Action Mechanism of the Pharmaceutical-Grade Triticum vulgare Extract in Speeding Up Keratinocyte Healing. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27031108. [PMID: 35164377 PMCID: PMC8839156 DOI: 10.3390/molecules27031108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/21/2022] [Accepted: 02/01/2022] [Indexed: 02/07/2023]
Abstract
Plant extracts have shown beneficial properties in terms of skin repair, promoting wound healing through a plethora of mechanisms. In particular, the poly-/oligosaccharidic aqueous extract of Triticum vulgare (TVE), as well as TVE-based products, shows interesting biological assets, hastening wound repair. Indeed, TVE acts in the treatment of tissue regeneration mainly on decubitus and venous leg ulcers. Moreover, on scratched monolayers, TVE prompts HaCat cell migration, correctly modulating the expression of metalloproteases toward a physiological matrix remodeling. Here, using the same HaCat-based in vitro scratch model, the TVE effect has been investigated thanks to an LFQ proteomic analysis of HaCat secretomes and immunoblotting. Indeed, the unbiased TVE effect on secreted proteins has not yet been fully understood, and it could be helpful to obtain a comprehensive picture of its bio-pharmacological profile. It has emerged that TVE treatment induces significant up-regulation of several proteins in the secretome (153 to be exact) whereas only a few were down-regulated (72 to be exact). Interestingly, many of the up-regulated proteins are implicated in promoting wound-healing-related processes, such as modulating cell-cell interaction and communication, cell proliferation and differentiation, and prompting cell adhesion and migration.
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23
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Pereira G, Guo Y, Silva E, Bevilacqua C, Charpigny G, Lopes-da-Costa L, Humblot P. Progesterone differentially affects the transcriptomic profiles of cow endometrial cell types. BMC Genomics 2022; 23:82. [PMID: 35086476 PMCID: PMC8793221 DOI: 10.1186/s12864-022-08323-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 01/20/2022] [Indexed: 01/04/2023] Open
Abstract
Background The endometrium is a heterogeneous tissue composed of luminal epithelial (LE), glandular epithelial (GE), and stromal cells (ST), experiencing progesterone regulated dynamic changes during the estrous cycle. In the cow, this regulation at the transcriptomic level was only evaluated in the whole tissue. This study describes specific gene expression in the three types of cells isolated from endometrial biopsies following laser capture microdissection and the transcriptome changes induced by progesterone in GE and ST cells. Results Endometrial LE, GE, and ST cells show specific transcriptomic profiles. Most of the differentially expressed genes (DEGs) in response to progesterone are cell type-specific (96%). Genes involved in cell cycle and nuclear division are under-expressed in the presence of progesterone in GE, highlighting the anti-proliferative action of progesterone in epithelial cells. Elevated progesterone concentrations are also associated with the under-expression of estrogen receptor 1 (ESR1) in GE and oxytocin receptor (OXTR) in GE and ST cells. In ST cells, transcription factors such as SOX17 and FOXA2, known to regulate uterine epithelial-stromal cross-talk conveying to endometrial receptivity, are over-expressed under progesterone influence. Conclusions The results from this study show that progesterone regulates endometrial function in a cell type-specific way, which is independent of the expression of its main receptor PGR. These novel insights into uterine physiology present the cell compartment as the physiological unit rather than the whole tissue. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-022-08323-z.
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Affiliation(s)
- Gonçalo Pereira
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Yongzhi Guo
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, SLU, PO Box 7054, 750 07, Uppsala, Sweden
| | - Elisabete Silva
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal
| | - Claudia Bevilacqua
- Université Paris-Saclay, INRAE, AgroParisTech, GABI, 78350, Jouy-en-Josas, France
| | - Gilles Charpigny
- Université Paris-Saclay, INRAE, ENVA, BREED, 78350, Jouy-en-Josas, France
| | - Luís Lopes-da-Costa
- CIISA-Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477, Lisbon, Portugal.
| | - Patrice Humblot
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, SLU, PO Box 7054, 750 07, Uppsala, Sweden
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24
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Evrard C, Faway E, De Vuyst E, Svensek O, De Glas V, Bergerat D, Salmon M, De Backer O, Flamion B, Le-Buanec H, Lambert de Rouvroit C, Poumay Y. Deletion of TNFAIP6 Gene in Human Keratinocytes Demonstrates a Role for TSG-6 to Retain Hyaluronan Inside Epidermis. JID INNOVATIONS 2021; 1:100054. [PMID: 34909750 PMCID: PMC8659394 DOI: 10.1016/j.xjidi.2021.100054] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 07/03/2021] [Accepted: 07/12/2021] [Indexed: 11/19/2022] Open
Abstract
TSG-6 is a soluble protein secreted in the extracellular matrix by various cell types in response to inflammatory stimuli. TSG-6 interacts with extracellular matrix molecules, particularly hyaluronan (HA), and promotes cutaneous wound closure in mice. Between epidermal cells, the discrete extracellular matrix contains HA and a tiny amount of TSG-6. However, challenges imposed to keratinocytes in reconstructed human epidermis revealed strong induction of TSG-6 expression, after exposure to T helper type 2 cytokines to recapitulate the atopic dermatitis phenotype or after fungal infection that causes secretion of cytokines and antimicrobial peptides. After both types of challenge, enhanced release of TSG-6 happens simultaneously with increased HA production. TSG-6 deficiency in N/TERT keratinocytes was created by inactivating TNFAIP6 using CRISPR/Cas9. Some TSG-6 -/- keratinocytes analyzed through scratch assays tend to migrate more slowly but produce reconstructed human epidermis that exhibits normal morphology and differentiation. Few significant alterations were noticed by transcriptomic analysis. Nevertheless, reduced HA content in TSG-6 -/- reconstructed human epidermis was observed, along with enhanced HA release into the culture medium, and this phenotype was even more pronounced after the challenging conditions. Reintroduction of cells producing TSG-6 in reconstructed human epidermis reduced HA leakage. Our results show a role for TSG-6 in sequestering HA between epidermal cells in response to inflammation.
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Key Words
- AD, atopic dermatitis
- ECM, extracellular matrix
- GEO, Gene Expression Omnibus
- HA, hyaluronan
- HAS, hyaluronan synthase
- KC, keratinocyte
- KLK, kallikrein
- RHE, reconstructed human epidermis
- RNA-seq, RNA sequencing
- Th, T helper type
- crRNA, CRISPR RNA
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Affiliation(s)
- Céline Evrard
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
| | - Emilie Faway
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
| | - Evelyne De Vuyst
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
| | - Olivier Svensek
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
| | - Valérie De Glas
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
| | | | | | - Olivier De Backer
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
| | - Bruno Flamion
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
| | - Hélène Le-Buanec
- Laboratory of Oncodermatology, Immunology, and Cutaneous Stem Cells, National Institute of Health and Medical Research (INSERM) U976, Saint-Louis Hospital, Paris, France
| | - Catherine Lambert de Rouvroit
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
| | - Yves Poumay
- Research Unit of Molecular Physiology (URPhyM), NAmur Research Institute for LIfe Sciences (NARILIS), University of Namur, Namur, Belgium
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25
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Kruppa D, Peters F, Bornert O, Maler MD, Martin SF, Becker-Pauly C, Nyström A. Distinct contributions of meprins to skin regeneration after injury - Meprin α a physiological processer of pro-collagen VII. Matrix Biol Plus 2021; 11:100065. [PMID: 34435182 PMCID: PMC8377016 DOI: 10.1016/j.mbplus.2021.100065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 04/28/2021] [Accepted: 05/03/2021] [Indexed: 02/07/2023] Open
Abstract
Meprins subtly support epidermal and dermal skin wound healing. Loss of both meprins reduces re-epithelialization and wound macrophage abundance. Meprin α is a physiological maturing proteinase of collagen VII. Meprins are reduced in recessive dystrophic epidermolysis bullosa skin.
Astacin-like proteinases (ALPs) are regulators of tissue and extracellular matrix (ECM) homeostasis. They convey this property through their ability to convert ECM protein pro-forms to functional mature proteins and by regulating the bioavailability of growth factors that stimulate ECM synthesis. The most studied ALPs in this context are the BMP-1/tolloid-like proteinases. The other subclass of ALPs in vertebrates – the meprins, comprised of meprin α and meprin β – are emerging as regulators of tissue and ECM homeostasis but have so far been only limitedly investigated. Here, we functionally assessed the roles of meprins in skin wound healing using mice genetically deficient in one or both meprins. Meprin deficiency did not change the course of macroscopic wound closure. However, subtle but distinct contributions of meprins to the healing process and dermal homeostasis were observed. Loss of both meprins delayed re-epithelialization and reduced macrophage infiltration. Abnormal dermal healing and ECM regeneration was observed in meprin deficient wounds. Our analyses also revealed meprin α as one proteinase responsible for maturation of pro-collagen VII to anchoring fibril-forming-competent collagen VII in vivo. Collectively, our study identifies meprins as subtle players in skin wound healing.
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Key Words
- ALP, astacin-like proteinase
- BSA, bovine serum albumine
- BTP, BMP-1/tolloid-like proteinase
- DAPI, 4′-,6-diamidino-2-phenylindole
- DEJ, dermal epidermal junction
- DMEM, Dulbecco’s modified Eagle’s medium
- Dystrophic epidermolysis bullosa
- ECM, extracellular matrix
- Extracellular matrix
- FA, formic acid
- FBS, fetal bovine serum
- Fibrosis
- Inflammation
- NC, non-collagenous
- PBS, phosphate-buffered saline
- TBS, tris-buffered saline
- WT, wild type
- Wound healing
- qPCR, quantitative polymerase chain reaction
- αSMA, α-smooth muscle actin
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Affiliation(s)
- Daniel Kruppa
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Florian Peters
- Biochemical Institute, Christian-Albrechts-University Kiel, Germany.,Laboratory for Retinal Cell Biology, Department of Ophthalmology, University Hospital Zurich, University of Schlieren / Zurich, Schlieren, Zurich, Switzerland
| | - Olivier Bornert
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany
| | - Mareike D Maler
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany.,Faculty of Biology, University of Freiburg, Freiburg, Germany
| | - Stefan F Martin
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany
| | | | - Alexander Nyström
- Department of Dermatology, Faculty of Medicine and Medical Center - University of Freiburg, Germany
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26
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Chinnappan M, Harris-Tryon TA. Novel mechanisms of microbial crosstalk with skin innate immunity. Exp Dermatol 2021; 30:1484-1495. [PMID: 34252227 DOI: 10.1111/exd.14429] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/28/2021] [Accepted: 07/06/2021] [Indexed: 12/12/2022]
Abstract
Skin is an organ with a dynamic ecosystem that harbours pathogenic and commensal microbes, which constantly communicate amongst each other and with the host immune system. Evolutionarily, skin and its microbiota have evolved to remain in homeostasis. However, frequently this homeostatic relationship is disturbed by a variety of factors such as environmental stress, diet, genetic mutations, and the microbiome itself. Commensal microbes also play a major role in the maintenance of microbial homeostasis. In addition to their ability to limit pathogens, many skin commensals such as Staphylococcus epidermidis and Cutibacterium acnes have recently been implicated in disease pathogenesis either by directly modulating the host immune components or by supporting the expansion of other pathogenic microbes. Likewise, opportunistic skin pathogens such as Staphylococcus aureus and Staphylococcus lugdunensis are able to breach the skin and cause disease. Though much has been established about the microbiota's function in skin immunity, we are in a time where newer mechanistic insights rapidly redefine our understanding of the host/microbial interface in the skin. In this review, we provide a concise summary of recent advances in our understanding of the interplay between host defense strategies and the skin microbiota.
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Affiliation(s)
- Mahendran Chinnappan
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Tamia A Harris-Tryon
- Department of Dermatology, University of Texas Southwestern Medical Center, Dallas, TX, USA.,Department of Immunology, University of Texas Southwestern Medical Center, Dallas, TX, USA
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27
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Nauroy P, Zingkou E, Sotiropoulou G, Kiritsi D. Research in practice: Towards deciphering the role of epidermal proteases in recessive dystrophic epidermolysis bullosa progression. J Dtsch Dermatol Ges 2021; 19:828-832. [PMID: 33768660 DOI: 10.1111/ddg.14396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 12/08/2020] [Indexed: 11/27/2022]
Abstract
Recessive dystrophic epidermolysis bullosa (RDEB) is an incurable severe skin disease caused by loss of collagen VII, an extracellular protein that ensures skin cohesion. It manifests in skin blistering and unresolved cycles of wounding and healing that progressively lead to dermal stiffening and early development of aggressive cutaneous squamous cell carcinomas. Inflammation and subsequent tissue fibrosis highly contribute to RDEB pathogenicity and targeting them could provide new therapeutic options. Kallikreins (KLKs) are epidermal secreted proteases, which contribute to skin desquamation and inflammation. Kallikreins are involved in the pathogenesis of several inflammatory skin disorders, but interestingly also in the initiation and progression of different cancers. Our project aims at deciphering the role of KLKs in inflammation, fibrosis, and tumor development in RDEB.
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Affiliation(s)
- Pauline Nauroy
- Department of Dermatology, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany
| | - Eleni Zingkou
- Department of Dermatology, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany.,Department of Pharmacy, School of Health Sciences, University of Patras, Rion-Patras, Greece
| | - Georgia Sotiropoulou
- Department of Pharmacy, School of Health Sciences, University of Patras, Rion-Patras, Greece
| | - Dimitra Kiritsi
- Department of Dermatology, Medical Center-University of Freiburg, Faculty of Medicine, Freiburg, Germany
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Sotiropoulou G, Zingkou E, Pampalakis G. Redirecting drug repositioning to discover innovative cosmeceuticals. Exp Dermatol 2021; 30:628-644. [PMID: 33544970 DOI: 10.1111/exd.14299] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/23/2021] [Accepted: 02/01/2021] [Indexed: 12/18/2022]
Abstract
Skin appearance is essential for self-esteem and quality of life; consequently, skin care products represent a huge market. In particular, cosmeceuticals constitute a hybrid category of skin care formulations, at the interphase of cosmetics and pharmaceuticals, rationally designed to target (patho) physiological mechanisms aiming to enhance skin health and appearance. Cosmeceuticals are marketed as anti-ageing, anti-wrinkle, hair regrowth, skin whitening and wound healing agents with special emphasis on scar-free healing. An overview on recent cutting-edge advances concerning the discovery and development of enhanced performance cosmeceuticals by drug repositioning approaches is presented here. In this context, we propose "target repositioning," a new term, to highlight that druggable protein targets implicated in multiple diseases (hubs in the diseasome) can be exploited to accelerate the discovery of molecularly targeted cosmeceuticals that can promote skin health as an added benefit, which is a novel concept not described before. In this direction, emphasis is placed on the role of mouse models, for often untreatable skin diseases, as well as recent breakthroughs on monogenic rare skin syndromes, in promoting compound repositioning to innovative cosmeceuticals.
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Affiliation(s)
- Georgia Sotiropoulou
- Department of Pharmacy, School of Health Sciences, University of Patras, Rion-Patras, Greece
| | - Eleni Zingkou
- Department of Pharmacy, School of Health Sciences, University of Patras, Rion-Patras, Greece
| | - Georgios Pampalakis
- Department of Pharmacognosy-Pharmacology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Pierre O, Fouchard M, Buscaglia P, Le Goux N, Leschiera R, Mignen O, Fluhr JW, Misery L, Le Garrec R. Calcium Increase and Substance P Release Induced by the Neurotoxin Brevetoxin-1 in Sensory Neurons: Involvement of PAR2 Activation through Both Cathepsin S and Canonical Signaling. Cells 2020; 9:E2704. [PMID: 33348659 PMCID: PMC7767211 DOI: 10.3390/cells9122704] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 12/17/2022] Open
Abstract
Red tides involving Karenia brevis expose humans to brevetoxins (PbTxs). Oral exposition triggers neurotoxic shellfish poisoning, whereas inhalation induces a respiratory syndrome and sensory disturbances. No curative treatment is available and the pathophysiology is not fully elucidated. Protease-activated receptor 2 (PAR2), cathepsin S (Cat-S) and substance P (SP) release are crucial mediators of the sensory effects of ciguatoxins (CTXs) which are PbTx analogs. This work explored the role of PAR2 and Cat-S in PbTx-1-induced sensory effects and deciphered the signaling pathway involved. We performed calcium imaging, PAR2 immunolocalization and SP release experiments in monocultured sensory neurons or co-cultured with keratinocytes treated with PbTx-1 or P-CTX-2. We demonstrated that PbTx-1-induced calcium increase and SP release involved Cat-S, PAR2 and transient receptor potential vanilloid 4 (TRPV4). The PbTx-1-induced signaling pathway included protein kinase A (PKA) and TRPV4, which are compatible with the PAR2 biased signaling induced by Cat-S. Internalization of PAR2 and protein kinase C (PKC), inositol triphosphate receptor and TRPV4 activation evoked by PbTx-1 are compatible with the PAR2 canonical signaling. Our results suggest that PbTx-1-induced sensory disturbances involve the PAR2-TRPV4 pathway. We identified PAR2, Cat-S, PKA, and PKC that are involved in TRPV4 sensitization induced by PbTx-1 in sensory neurons.
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Affiliation(s)
- Ophélie Pierre
- EA4685 Laboratory of Interactions Neurons-Keratinocytes (LIEN), Faculty of Medicine and Health Sciences, University Brest, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
| | - Maxime Fouchard
- EA4685 Laboratory of Interactions Neurons-Keratinocytes (LIEN), Faculty of Medicine and Health Sciences, University Brest, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
- Department of Dermatology, University Hospital of Brest, F-29200 Brest, France
| | - Paul Buscaglia
- InsermUMR1227, Lymphocytes B et Autoimmunity, University Brest, F-29200 Brest, France; (P.B.); (N.L.G.); (O.M.)
| | - Nelig Le Goux
- InsermUMR1227, Lymphocytes B et Autoimmunity, University Brest, F-29200 Brest, France; (P.B.); (N.L.G.); (O.M.)
| | - Raphaël Leschiera
- EA4685 Laboratory of Interactions Neurons-Keratinocytes (LIEN), Faculty of Medicine and Health Sciences, University Brest, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
| | - Olivier Mignen
- InsermUMR1227, Lymphocytes B et Autoimmunity, University Brest, F-29200 Brest, France; (P.B.); (N.L.G.); (O.M.)
| | - Joachim W. Fluhr
- EA4685 Laboratory of Interactions Neurons-Keratinocytes (LIEN), Faculty of Medicine and Health Sciences, University Brest, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
- Department of Dermatology, University Hospital of Brest, F-29200 Brest, France
- Department of Dermatology and Allergology, Universitaetsmedizin Charit Berlin, D-10117 Berlin, Germany
| | - Laurent Misery
- EA4685 Laboratory of Interactions Neurons-Keratinocytes (LIEN), Faculty of Medicine and Health Sciences, University Brest, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
- Department of Dermatology, University Hospital of Brest, F-29200 Brest, France
| | - Raphaële Le Garrec
- EA4685 Laboratory of Interactions Neurons-Keratinocytes (LIEN), Faculty of Medicine and Health Sciences, University Brest, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
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Catanzaro E, Bishayee A, Fimognari C. On a Beam of Light: Photoprotective Activities of the Marine Carotenoids Astaxanthin and Fucoxanthin in Suppression of Inflammation and Cancer. Mar Drugs 2020; 18:E544. [PMID: 33143013 PMCID: PMC7692561 DOI: 10.3390/md18110544] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/25/2020] [Accepted: 10/29/2020] [Indexed: 12/14/2022] Open
Abstract
Every day, we come into contact with ultraviolet radiation (UVR). If under medical supervision, small amounts of UVR could be beneficial, the detrimental and hazardous effects of UVR exposure dictate an unbalance towards the risks on the risk-benefit ratio. Acute and chronic effects of ultraviolet-A and ultraviolet-B involve mainly the skin, the immune system, and the eyes. Photodamage is an umbrella term that includes general phototoxicity, photoaging, and cancer caused by UVR. All these phenomena are mediated by direct or indirect oxidative stress and inflammation and are strictly connected one to the other. Astaxanthin (ASX) and fucoxanthin (FX) are peculiar marine carotenoids characterized by outstanding antioxidant properties. In particular, ASX showed exceptional efficacy in counteracting all categories of photodamages, in vitro and in vivo, thanks to both antioxidant potential and activation of alternative pathways. Less evidence has been produced about FX, but it still represents an interesting promise to prevent the detrimental effect of UVR. Altogether, these results highlight the importance of digging into the marine ecosystem to look for new compounds that could be beneficial for human health and confirm that the marine environment is as much as full of active compounds as the terrestrial one, it just needs to be more explored.
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Affiliation(s)
- Elena Catanzaro
- Department for Life Quality Studies, Alma Mater Studiorum—Università di Bologna, corso d’Augusto 237, 47921 Rimini, Italy;
| | - Anupam Bishayee
- Lake Erie College of Osteopathic Medicine, Bradenton, FL 34211, USA
| | - Carmela Fimognari
- Department for Life Quality Studies, Alma Mater Studiorum—Università di Bologna, corso d’Augusto 237, 47921 Rimini, Italy;
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