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Quílez C, Bebiano LB, Jones E, Maver U, Meesters L, Parzymies P, Petiot E, Rikken G, Risueño I, Zaidi H, Zidarič T, Bekeschus S, H van den Bogaard E, Caley M, Colley H, López NG, Letsiou S, Marquette C, Maver T, Pereira RF, Tobin DJ, Velasco D. Targeting the Complexity of In Vitro Skin Models: A Review of Cutting-Edge Developments. J Invest Dermatol 2024:S0022-202X(24)01499-4. [PMID: 39127929 DOI: 10.1016/j.jid.2024.04.032] [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: 11/20/2023] [Revised: 02/29/2024] [Accepted: 04/10/2024] [Indexed: 08/12/2024]
Abstract
Skin in vitro models offer much promise for research, testing drugs, cosmetics, and medical devices, reducing animal testing and extensive clinical trials. There are several in vitro approaches to mimicking human skin behavior, ranging from simple cell monolayer to complex organotypic and bioengineered 3-dimensional models. Some have been approved for preclinical studies in cosmetics, pharmaceuticals, and chemicals. However, development of physiologically reliable in vitro human skin models remains in its infancy. This review reports on advances in in vitro complex skin models to study skin homeostasis, aging, and skin disease.
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Affiliation(s)
- Cristina Quílez
- Bioengineering Department, Universidad Carlos III de Madrid, Leganés, Spain; Fundación Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Madrid, Spain
| | - Luís B Bebiano
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal
| | - Eleri Jones
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Uroš Maver
- Institute of Biomedical Sciences, Faculty of Medicine, University of Maribor, Maribor, Slovenia; Department of Pharmacology, Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - Luca Meesters
- Department of Dermatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Piotr Parzymies
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Emma Petiot
- 3d.FAB, CNRS, INSA, Univ Lyon, CPE-Lyon, UMR5246, ICBMS, Université Lyon 1, Villeurbanne Cedex, France
| | - Gijs Rikken
- Department of Dermatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Ignacio Risueño
- Bioengineering Department, Universidad Carlos III de Madrid, Leganés, Spain; Fundación Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Madrid, Spain
| | - Hamza Zaidi
- 3d.FAB, CNRS, INSA, Univ Lyon, CPE-Lyon, UMR5246, ICBMS, Université Lyon 1, Villeurbanne Cedex, France
| | - Tanja Zidarič
- Institute of Biomedical Sciences, Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - Sander Bekeschus
- Clinic and Policlinic for Dermatology and Venerology, Rostock University Medical Center, Rostock, Germany; ZIK plasmatis, Leibniz Institute for Plasma Science and Technology (INP Greifswald), Greifswald, Germany
| | | | - Matthew Caley
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Faculty of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Helen Colley
- School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
| | - Nuria Gago López
- Melanoma group, Molecular Oncology Programme, Spanish National Cancer Research Center (CNIO), Madrid, Spain
| | - Sophia Letsiou
- Department of Biomedical Sciences, University of West Attica, Athens, Greece; Department of Food Science and Technology, University of West Attica, Athens, Greece
| | - Christophe Marquette
- 3d.FAB, CNRS, INSA, Univ Lyon, CPE-Lyon, UMR5246, ICBMS, Université Lyon 1, Villeurbanne Cedex, France
| | - Tina Maver
- Institute of Biomedical Sciences, Faculty of Medicine, University of Maribor, Maribor, Slovenia; Department of Pharmacology, Faculty of Medicine, University of Maribor, Maribor, Slovenia
| | - Rúben F Pereira
- i3S - Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal; Instituto de Engenharia Biomédica (INEB), Universidade do Porto, Porto, Portugal; ICBAS - Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Desmond J Tobin
- Charles Institute of Dermatology, University College Dublin, Dublin, Ireland; Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Diego Velasco
- Bioengineering Department, Universidad Carlos III de Madrid, Leganés, Spain; Fundación Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Madrid, Spain.
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Kim SH, Kim JH, Choi YM, Seo SM, Jang EY, Lee SJ, Zhang H, Roh Y, Jung YW, Park CO, Jeong DH, Lee KH. Development of a biomarker-based platform for comprehensive skin characterization using minimally invasive skin sampling and quantitative real-time PCR. Skin Res Technol 2024; 30:e13908. [PMID: 39141418 PMCID: PMC11323771 DOI: 10.1111/srt.13908] [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: 07/15/2024] [Accepted: 07/24/2024] [Indexed: 08/15/2024]
Abstract
BACKGROUND Classifying diverse skin types is crucial for promoting skin health. However, efficiently identifying and analyzing relevant biomarkers from a vast array of available genetic data is challenging. Therefore, this study aimed to develop a precise and efficient platform for analyzing specific skin biomarkers using quantitative real-time PCR (qRT-PCR) with the minimal invasive skin sampling method (MISSM). MATERIALS AND METHODS MISSM was used for RNA extraction from skin samples, followed by qRT-PCR analysis to quantify the expression of 20 biomarkers associated with skin characteristics (four biomarkers each for five skin characteristics). Noninvasive measurements from 299 Korean participants were utilized to correlate biomarker expression with skin parameters. Statistical analyses were conducted between biomarker expression levels and noninvasive skin measurements to select the relatively best-performing biomarker for each skin characteristic. RESULTS Collagen type 1 alpha 1 (COL1A1) and moesin (MSN) were identified as skin aging biomarkers. Krüppel-like factor 4 (KLF4) and serine peptidase inhibitor Kazal type 5 (SPINK5) were identified as skin dryness biomarkers, whereas melan-A (MLANA) was selected as a biomarker for understanding pigmentation dynamics. Myelin protein zero like 3 (MPZL3) and high mobility group box 2 (HMGB2) were identified as markers of oily skin and skin sensitivity, respectively. Statistically significant correlations were found between the biomarker expression levels and noninvasive skin characteristic measurements. CONCLUSION This study successfully developed a platform for the precise evaluation of individual skin characteristics using MISSM and qRT-PCR biomarker analysis. By selecting biomarkers that correlate with noninvasive measurements of skin characteristics, we demonstrated the platform's efficacy in assessing diverse skin conditions.
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Affiliation(s)
- Seo Hyeong Kim
- Cutis Biomedical Research Center Co. Ltd.SeoulRepublic of Korea
| | - Ji Hye Kim
- Cutis Biomedical Research Center Co. Ltd.SeoulRepublic of Korea
| | - Yoon Mi Choi
- Cutis Biomedical Research Center Co. Ltd.SeoulRepublic of Korea
| | - Su Min Seo
- Cutis Biomedical Research Center Co. Ltd.SeoulRepublic of Korea
| | - Eun Young Jang
- Cutis Biomedical Research Center Co. Ltd.SeoulRepublic of Korea
| | - Sung Jae Lee
- Cutis Biomedical Research Center Co. Ltd.SeoulRepublic of Korea
| | - Hyun‐Soo Zhang
- Biostatistics Collaboration UnitDepartment of Biomedical Systems InformaticsYonsei University College of MedicineSeoulRepublic of Korea
| | - Yunho Roh
- Biostatistics Collaboration UnitDepartment of Biomedical Systems InformaticsYonsei University College of MedicineSeoulRepublic of Korea
| | - Yeon Woo Jung
- Department of Dermatology & Cutaneous Biology Research InstituteYonsei University College of MedicineSeoulRepublic of Korea
| | - Chang Ook Park
- Department of Dermatology & Cutaneous Biology Research InstituteYonsei University College of MedicineSeoulRepublic of Korea
| | | | - Kwang Hoon Lee
- Cutis Biomedical Research Center Co. Ltd.SeoulRepublic of Korea
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Feng X, Shang J, Gu Z, Luo X, Chen Y, Liu Y. Lactic Acid Chemical Peeling in Skin Disorders. Clin Cosmet Investig Dermatol 2024; 17:901-909. [PMID: 38682041 PMCID: PMC11055559 DOI: 10.2147/ccid.s455700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 04/13/2024] [Indexed: 05/01/2024]
Abstract
Lactic acid is the most widely occurring natural organic acid in nature. It not only exhibits mild and safe properties but also possesses multiple physiological activities, such as antibacterial effects, immune regulation, and promotion of wound healing, making it one of the most popular chemical peeling agents. Chemical peels are commonly used in the field of aesthetic dermatology as a non-invasive therapeutic approach. This research aims to provide valuable references for clinical dermatologists by summarizing the characteristics of lactic acid, elucidating its mechanism of action in peeling, and investigating the clinical applications of this compound. Furthermore, it anticipates the potential for lactic acid to be the most suitable chemical peeling agent for Chinese skin.
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Affiliation(s)
- Xiaoyue Feng
- Product Research & Development Center, Beijing Underproved Medical Technology Co., LTD, Beijing, People’s Republic of China
| | - Jianli Shang
- Product Research & Development Center, Beijing Underproved Medical Technology Co., LTD, Beijing, People’s Republic of China
| | - Zhengping Gu
- Product Research & Development Center, Beijing Underproved Medical Technology Co., LTD, Beijing, People’s Republic of China
| | - Xingyi Luo
- Product Research & Development Center, Beijing Underproved Medical Technology Co., LTD, Beijing, People’s Republic of China
| | - Yong Chen
- Product Research & Development Center, Beijing Underproved Medical Technology Co., LTD, Beijing, People’s Republic of China
| | - Youting Liu
- Product Research & Development Center, Beijing Underproved Medical Technology Co., LTD, Beijing, People’s Republic of China
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Harding AL, Colley HE, Vazquez IB, Danby S, Hasan MZ, Nakanishi H, Furuno T, Murdoch C. c-Src activation as a potential marker of chemical-induced skin irritation using tissue-engineered skin equivalents. Exp Dermatol 2023; 32:220-225. [PMID: 36457227 PMCID: PMC10946902 DOI: 10.1111/exd.14719] [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: 07/29/2022] [Revised: 11/16/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022]
Abstract
Skin irritancy to topically applied chemicals is a significant problem that affects millions of people worldwide. New or modified chemical entities must be tested for potential skin irritancy by industry as part of the safety and toxicity profiling process. Many of these tests have now moved to a non-animal-based format to reduce experiments on animals. However, these tests for irritancy potential often rely on monolayer cultures of keratinocytes that are not representative of the skin architecture or tissue-engineered human skin equivalents (HSE) using complex multi-gene expression panels that are often cumbersome and not amenable for high throughput. Here, we show that human skin equivalents increase abundance of several phosphorylated kinases (c-Src, c-Jun, p53, GSK3α/β) in response to irritant chemical stimulation by phosphokinase array analysis. Specific phosphorylation of c-SrcY419 was confirmed by immunoblotting and was plasma membrane-associated in basal/spinous cells by phospho-specific immunohistochemistry. Moreover, c-SrcY419 phosphorylation in response to the irritants lactic acid and capsaicin was inhibited by the c-Src inhibitors KB-SRC and betaine trimethylglycine. These data provide the first evidence for c-Src specific activation in response to chemical irritants and point to the development of new modes of rapid testing by immunodetection for first-pass screening of potential irritants.
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Affiliation(s)
- Amy L. Harding
- School of Clinical DentistryUniversity of SheffieldSheffieldUK
| | - Helen E. Colley
- School of Clinical DentistryUniversity of SheffieldSheffieldUK
| | | | - Simon Danby
- Sheffield Dermatology Research, Department of Infection, Immunity & Cardiovascular Disease, Medical SchoolUniversity of SheffieldSheffieldUK
| | - Md Zobaer Hasan
- Rohto Pharmaceutical Co., Ltd., Safety Design CentreKyotoJapan
| | | | - Tetsuo Furuno
- Rohto Pharmaceutical Co., Ltd., Safety Design CentreKyotoJapan
| | - Craig Murdoch
- School of Clinical DentistryUniversity of SheffieldSheffieldUK
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Mießner H, Seidel J, Smith ESJ. In vitro models for investigating itch. Front Mol Neurosci 2022; 15:984126. [PMID: 36385768 PMCID: PMC9644192 DOI: 10.3389/fnmol.2022.984126] [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: 07/01/2022] [Accepted: 10/10/2022] [Indexed: 12/04/2022] Open
Abstract
Itch (pruritus) is a sensation that drives a desire to scratch, a behavior observed in many animals. Although generally short-lasting and not causing harm, there are several pathological conditions where chronic itch is a hallmark symptom and in which prolonged scratching can induce damage. Finding medications to counteract the sensation of chronic itch has proven difficult due to the molecular complexity that involves a multitude of triggers, receptors and signaling pathways between skin, immune and nerve cells. While much has been learned about pruritus from in vivo animal models, they have limitations that corroborate the necessity for a transition to more human disease-like models. Also, reducing animal use should be encouraged in research. However, conducting human in vivo experiments can also be ethically challenging. Thus, there is a clear need for surrogate models to be used in pre-clinical investigation of the mechanisms of itch. Most in vitro models used for itch research focus on the use of known pruritogens. For this, sensory neurons and different types of skin and/or immune cells are stimulated in 2D or 3D co-culture, and factors such as neurotransmitter or cytokine release can be measured. There are however limitations of such simplistic in vitro models. For example, not all naturally occurring cell types are present and there is also no connection to the itch-sensing organ, the central nervous system (CNS). Nevertheless, in vitro models offer a chance to investigate otherwise inaccessible specific cell–cell interactions and molecular pathways. In recent years, stem cell-based approaches and human primary cells have emerged as viable alternatives to standard cell lines or animal tissue. As in vitro models have increased in their complexity, further opportunities for more elaborated means of investigating itch have been developed. In this review, we introduce the latest concepts of itch and discuss the advantages and limitations of current in vitro models, which provide valuable contributions to pruritus research and might help to meet the unmet clinical need for more refined anti-pruritic substances.
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Affiliation(s)
- Hendrik Mießner
- Department of Pharmacology, University of Cambridge, Cambridge, United Kingdom
- Dermatological Skin Care, Beiersdorf AG, Hamburg, Germany
| | - Judith Seidel
- Dermatological Skin Care, Beiersdorf AG, Hamburg, Germany
| | - Ewan St. John Smith
- Department of Pharmacology, University of Cambridge, Cambridge, United Kingdom
- *Correspondence: Ewan St. John Smith,
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Kim SH, Kim JH, Lee SJ, Jung MS, Jeong DH, Lee KH. Minimally invasive skin sampling and transcriptome analysis using microneedles for skin type biomarker research. Skin Res Technol 2022; 28:322-335. [PMID: 35007372 PMCID: PMC9907599 DOI: 10.1111/srt.13135] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 12/18/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Minimally invasive skin sampling is used in various fields. In this study, we examined whether it was possible to obtain skin specimens using biocompatible microneedles composed of sodium hyaluronate and performed transcriptome analysis. MATERIALS AND METHODS Thirty-three subjects with different skin conditions, such as skin aging, skin hydration, skin pigmentation, oily skin and sensitive skin, were recruited. Skin types were evaluated based on age, non-invasive measurement devices, 10% lactic acid stinging test and visual assessment; the skin specimens were sampled from the face using microneedles. Total RNA was extracted, and microarray was performed. Correlations between various biomarkers and skin condition parameters were analysed. RESULTS Several skin-type biomarkers are correlated with age, non-invasive device measurements, LAST score and visual assessment of acne lesions. Representatively, COL1A1 (Collagen type 1 alpha 1 chain), FN1 (Fibronectin 1) and PINK1 (PTEN-induced putative kinase protein 1) for skin aging, FLG (Filaggrin), KLF4 (Kruppel-like factor 4) and LOR (Loricrin) for skin hydration, GPNMB (Glycoprotein non-metastatic melanoma protein B), MLANA (Melan-A) and TYR (Tyrosinase) for skin pigmentation, IGF1 (insulin-like growth factor-1), MPZL3 (Myelin protein zero like 3) and AQP3 (Aquaporin 3) for oily skin and PGF (placental growth factor), CYR61 (cysteine-rich angiogenic inducer 61), RBP4 (retinol-binding protein 4), TAC1 (Tachykinin precursor 1), CAMP (Cathelicidin antimicrobial peptide), MMP9 (Matrix metallopeptidase 9), MMP3, MMP12 and CCR1 (C-C motif chemokine receptor 1) for sensitive skin. CONCLUSION Microneedle skin sampling is a new and minimally invasive option for transcriptome analysis of human skin and can be applied for diagnosis and treatment efficacy evaluation, as well as skin type classification.
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Affiliation(s)
- Seo Hyeong Kim
- Cutis Biomedical Research Center Co. Ltd., Seoul, Republic of Korea
| | - Ji Hye Kim
- Cutis Biomedical Research Center Co. Ltd., Seoul, Republic of Korea
| | - Sung Jae Lee
- Cutis Biomedical Research Center Co. Ltd., Seoul, Republic of Korea
| | - Min Sook Jung
- Cutis Biomedical Research Center Co. Ltd., Seoul, Republic of Korea
| | | | - Kwang Hoon Lee
- Cutis Biomedical Research Center Co. Ltd., Seoul, Republic of Korea.,Department of Dermatology and Cutaneous Biology Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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Harding AL, Murdoch C, Danby S, Hasan MZ, Nakanishi H, Furuno T, Hadad S, Turner R, Colley HE. Determination of Chemical Irritation Potential Using a Defined Gene Signature Set on Tissue-Engineered Human Skin Equivalents. JID INNOVATIONS 2021; 1:100011. [PMID: 34909715 PMCID: PMC8659397 DOI: 10.1016/j.xjidi.2021.100011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 02/24/2021] [Accepted: 02/25/2021] [Indexed: 12/03/2022] Open
Abstract
There are no physical or visual manifestations that define skin sensitivity or irritation; a subjective diagnosis is made on the basis of the evaluation of clinical presentations, including burning, prickling, erythema, and itching. Adverse skin reaction in response to topically applied products is common and can limit the use of dermatological or cosmetic products. The purpose of this study was to evaluate the use of human skin equivalents based on immortalized skin keratinocytes and evaluate the potential of a 22-gene panel in combination with multivariate analysis to discriminate between chemicals known to act as irritants and those that do not. Test compounds were applied topically to full-thickness human skin equivalent or human ex vivo skin and gene signatures determined for known irritants and nonirritants. Principle component analysis showed the discriminatory potential of the 22-gene panel. Linear discrimination analysis, performed to further refine the gene set for a more high-throughput analysis, identified a putative seven-gene panel (IL-6, PTGS2, ATF3, TRPV3, MAP3K8, HMGB2, and matrix metalloproteinase gene MMP-3) that could distinguish potential irritants from nonirritants. These data offer promise as an in vitro prediction tool, although analysis of a large chemical test set is required to further evaluate the system.
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Key Words
- CA, cinnamaldehyde
- CAP, capsaicin
- CON, control
- Co-DEA, cocamide diethanolamine
- Co-MEA, cocamide monoethanolamine
- H2O, water
- HDF, human dermal fibroblast
- HSE, human skin equivalent
- KC, keratinocyte
- LA, lactic acid
- LDA, linear discrimination analysis
- LDH, lactate dehydrogenase
- MMP, matrix metalloproteinase
- MP, methylparaben
- N-LA, neutralized lactic acid
- PCA, principal component analysis
- TEER, transepithelial electrical resistance
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Affiliation(s)
- Amy L. Harding
- The School of Clinical Dentistry, The University of Sheffield, Sheffield, United Kingdom
| | - Craig Murdoch
- The School of Clinical Dentistry, The University of Sheffield, Sheffield, United Kingdom
- Correspondence: Craig Murdoch, The School of Clinical Dentistry, The University of Sheffield, 19 Claremont Crescent, Sheffield, S10 2TA, United Kingdom.
| | - Simon Danby
- Sheffield Dermatology Research, Department of Infection, Immunity and Cardiovascular Disease, The Medical School, The University of Sheffield, Sheffield, United Kingdom
| | - Md Zobaer Hasan
- Safety Design Centre, Rohto Pharmaceutical Co, Ltd, Kyoto, Japan
| | | | - Tetsuo Furuno
- Safety Design Centre, Rohto Pharmaceutical Co, Ltd, Kyoto, Japan
| | - Sirwan Hadad
- Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield, United Kingdom
| | - Robert Turner
- Research Software Engineering Sheffield, The University of Sheffield, Sheffield, United Kingdom
| | - Helen E. Colley
- The School of Clinical Dentistry, The University of Sheffield, Sheffield, United Kingdom
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Frankova J, Juranova J, Biedermann D, Ulrichova J. Influence of silymarin components on keratinocytes and 3D reconstructed epidermis. Toxicol In Vitro 2021; 74:105162. [PMID: 33839235 DOI: 10.1016/j.tiv.2021.105162] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/29/2021] [Accepted: 04/06/2021] [Indexed: 10/21/2022]
Abstract
Silymarin is a flavonoid complex isolated from the plant Silybum marianum which is well known for its antioxidant, hepatoprotective and immunomodulatory effects. Since little is known about its anti-inflammatory properties and healing effects, our study focused on whether or not silymarin components reduce inflammation and support epidermis regeneration. Lipopolysaccharides (LPS) and sodium dodecyl sulfate (SDS) were used to induce inflammation in normal human epidermal keratinocytes (NHEKs) and reconstructed epidermis (RHE), respectively. The expression of pro-inflammatory cytokines (IL-1, IL-6 and IL-8) in NHEKs and RHE was measured by enzyme - linked immunosorbent assay (ELISA). The expression of cytokeratin 14 and loricrin in RHE was detected by immunofluorescent analysis. Hematoxylin and eosin staining was used for the morphological evaluation of RHE. It was determined that 2, 3 - dehydrosilybin (DHSB) downregulated the production of selected pro-inflammatory cytokines produced by NHEKs. Although all layers of RHE displayed full thickness, when SDS was applied, cell detachment was seen in the stratum corneum and loricrin expression was diminished.
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Affiliation(s)
- J Frankova
- Palacky University Olomouc, Faculty of Medicine and Dentistry, Department of Medical Chemistry and Biochemistry, Hněvotínská 3, 775 15 Olomouc, Czech Republic..
| | - J Juranova
- Palacky University Olomouc, Faculty of Medicine and Dentistry, Department of Medical Chemistry and Biochemistry, Hněvotínská 3, 775 15 Olomouc, Czech Republic
| | - D Biedermann
- Institute of Microbiology of the Czech Academy of Sciences, Laboratory of Biotransformation, Vídeňská 1083, 14220 Praha 4, Czech Republic
| | - J Ulrichova
- Palacky University Olomouc, Faculty of Medicine and Dentistry, Department of Medical Chemistry and Biochemistry, Hněvotínská 3, 775 15 Olomouc, Czech Republic
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Sjöbom U, Christenson K, Hellström A, Nilsson AK. Inflammatory Markers in Suction Blister Fluid: A Comparative Study Between Interstitial Fluid and Plasma. Front Immunol 2020; 11:597632. [PMID: 33224151 PMCID: PMC7670055 DOI: 10.3389/fimmu.2020.597632] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 10/12/2020] [Indexed: 12/12/2022] Open
Abstract
Background Biomarker analysis allows for the detection and prediction of disease as well as health monitoring. The use of interstitial fluid (ISF) as a matrix for biomarkers has recently gained interest. This study aimed to compare levels of inflammatory markers in ISF from suction blister fluid (SBF) and plasma. Methods Plasma and SBF were collected from 18 healthy individuals. Samples were analyzed for 92 inflammation-related protein biomarkers by Proximity Extension Assay (PEA). Protein profiles in the two matrices were compared using traditional and multivariate statistics. Results Out of 92 targeted proteins, 70 were successfully quantified in both plasma and SBF. Overall, plasma and SBF displayed distinct protein profiles with up to 40-fold difference in abundance of specific proteins. The levels of 25 proteins were significantly correlated between plasma and SBF and several of these were recognized as potential markers to monitor health using ISF. Conclusions Skin ISF and plasma have unique protein profiles but many inflammatory markers are proportionally related between the matrices at the individual level. ISF is a promising biofluid for the monitoring of biomarkers in clinical studies and routine analyses.
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Affiliation(s)
- Ulrika Sjöbom
- Institute of Health and Care Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.,Section for Ophthalmology, Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Karin Christenson
- Department of Oral Microbiology and Immunology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Ann Hellström
- Section for Ophthalmology, Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anders K Nilsson
- Section for Ophthalmology, Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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Furue M. Regulation of Filaggrin, Loricrin, and Involucrin by IL-4, IL-13, IL-17A, IL-22, AHR, and NRF2: Pathogenic Implications in Atopic Dermatitis. Int J Mol Sci 2020; 21:E5382. [PMID: 32751111 PMCID: PMC7432778 DOI: 10.3390/ijms21155382] [Citation(s) in RCA: 180] [Impact Index Per Article: 45.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 07/28/2020] [Accepted: 07/28/2020] [Indexed: 12/16/2022] Open
Abstract
Atopic dermatitis (AD) is an eczematous, pruritic skin disorder with extensive barrier dysfunction and elevated interleukin (IL)-4 and IL-13 signatures. The barrier dysfunction correlates with the downregulation of barrier-related molecules such as filaggrin (FLG), loricrin (LOR), and involucrin (IVL). IL-4 and IL-13 potently inhibit the expression of these molecules by activating signal transducer and activator of transcription (STAT)6 and STAT3. In addition to IL-4 and IL-13, IL-22 and IL-17A are probably involved in the barrier dysfunction by inhibiting the expression of these barrier-related molecules. In contrast, natural or medicinal ligands for aryl hydrocarbon receptor (AHR) are potent upregulators of FLG, LOR, and IVL expression. As IL-4, IL-13, IL-22, and IL-17A are all capable of inducing oxidative stress, antioxidative AHR agonists such as coal tar, glyteer, and tapinarof exert particular therapeutic efficacy for AD. These antioxidative AHR ligands are known to activate an antioxidative transcription factor, nuclear factor E2-related factor 2 (NRF2). This article focuses on the mechanisms by which FLG, LOR, and IVL expression is regulated by IL-4, IL-13, IL-22, and IL-17A. The author also summarizes how AHR and NRF2 dual activators exert their beneficial effects in the treatment of AD.
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Affiliation(s)
- Masutaka Furue
- Department of Dermatology, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashiku, Fukuoka 812-8582, Japan; ; Tel.: +81-92-642-5581; Fax: +81-92-642-5600
- Research and Clinical Center for Yusho and Dioxin, Kyushu University, Maidashi 3-1-1, Higashiku, Fukuoka 812-8582, Japan
- Division of Skin Surface Sensing, Graduate School of Medical Sciences, Kyushu University, Maidashi 3-1-1, Higashiku, Fukuoka 812-8582, Japan
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Huang HC, Lee IJ, Huang C, Chang TM. Lactic Acid Bacteria and Lactic Acid for Skin Health and Melanogenesis Inhibition. Curr Pharm Biotechnol 2020; 21:566-577. [DOI: 10.2174/1389201021666200109104701] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 07/26/2019] [Accepted: 12/11/2019] [Indexed: 12/21/2022]
Abstract
Lactic acid bacteria are beneficial to human health. Lactic acid bacteria have wide applications
in food, cosmetic and medicine industries due to being Generally Recognized As Safe (GRAS)
and a multitude of therapeutic and functional properties. Previous studies have reported the beneficial
effects of lactic acid bacteria, their extracts or ferments on skin health, including improvements in skin
conditions and the prevention of skin diseases. Lipoteichoic acid isolated from Lactobacillus plantarum
was reported to inhibit melanogenesis in B16F10 melanoma cells. In particular, lipoteichoic acid
also exerted anti-photoaging effects on human skin cells by regulating the expression of matrix metalloproteinase-
1. The oral administration of Lactobacillus delbrueckii and other lactic acid bacteria has
been reported to inhibit the development of atopic diseases. Additionally, the clinical and histologic
evidence indicates that the topical application of lactic acid is effective for depigmentation and improving
the surface roughness and mild wrinkling of the skin caused by environmental photo-damage. This
review discusses recent findings on the effects of lactic acid bacteria on skin health and their specific
applications in skin-whitening cosmetics.
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Affiliation(s)
- Huey-Chun Huang
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung, Taiwan
| | - I. Jung Lee
- Department of Kampo Medicine, Yokohama University of Pharmacy, Yokohama, Japan
| | - Chen Huang
- Office of Paradigm Industrial- Academic R & D Headquarter, Hungkuang University, Taichung, Taiwan
| | - Tsong-Min Chang
- Department of Applied Cosmetology, Hungkuang University, Taichung City, Taiwan
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Vinken M, Suter-Dick L, Kandárová H. ESTIV2018: 20th anniversary of the International Congress on In Vitro Toxicology. Toxicol In Vitro 2019; 60:293-295. [PMID: 31220529 DOI: 10.1016/j.tiv.2019.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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