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Montano EN, Tapia A, Howell MD, Ostojić J. Comparison of Tape-Stripping Platforms as Noninvasive Solutions for Skin Biomarker Discovery. J Invest Dermatol 2024:S0022-202X(24)00356-7. [PMID: 38697278 DOI: 10.1016/j.jid.2024.04.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 05/04/2024]
Affiliation(s)
| | | | - Michael D Howell
- DermTech, San Diego, California, USA; Mountaineer Biosciences, San Diego, California, USA
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2
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Turnbull MJ, Grigsby I, Unertl K, Sokol K, Nordby T, Liu C, Bailey A, Spiewak B, Smith G, McNulty AK. Comparison of Medical Tape Performance Using Skin Response Quantitative Measurements on Healthy Volunteers. Cureus 2024; 16:e56548. [PMID: 38646282 PMCID: PMC11027027 DOI: 10.7759/cureus.56548] [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] [Accepted: 03/18/2024] [Indexed: 04/23/2024] Open
Abstract
BACKGROUND Medical tapes can lead to skin damage upon removal in susceptible patients with fragile skin and at higher risk of developing tissue injury. PURPOSE We compared the effect of medical tapes with silicone-based versus acrylate-based adhesives on the back or volar forearm stratum corneum using analytical techniques to assess skin condition and potential damage post product removal on 88 healthy volunteers. METHODS Two studies were conducted in separate facilities (Study 1: 3M In-house Clinical Facility, St. Paul, Minnesota; Study 2: DermiCo, LLC, Broomall, Pennsylvania). Four commercially available tapes were the same in both studies, two for each type of adhesive. We evaluated adhesion to the skin, total proteins and corneocytes removed by the tapes, changes in transepidermal water loss (TEWL), and induction of the inflammatory cytokine interleukin-1 alpha (IL-1a). RESULTS One of the silicone tapes displayed the strongest adhesion at 24 hours, and one of the acrylate tapes had the lowest adhesion, showing differences in performance within adhesive categories. The adhesion forces did not correlate with the amount of total protein or corneocytes removed. Silicone adhesives removed less total protein and corneocytes than acrylate adhesives. Silicone adhesives did not alter TEWL, whereas acrylate adhesives significantly raised TEWL. There were no differences in interleukin-1alpha induction. CONCLUSION The silicone adhesive tapes were less disruptive to the skin barrier than the acrylate adhesive tapes, even in healthy volunteers whose skin is not as fragile as what is observed in typical patients. This type of data could guide clinical product usage decisions.
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Affiliation(s)
| | - Iwen Grigsby
- Medical Solutions Division, 3M Health Care, St. Paul, USA
| | - Karl Unertl
- Medical Solutions Division, 3M Health Care, St. Paul, USA
| | - Kerry Sokol
- Medical Solutions Division, 3M Health Care, St. Paul, USA
| | - Tera Nordby
- Global Medical and Clinical Affairs, 3M Health Care, St. Paul, USA
| | - Cedric Liu
- Medical Solutions Division, 3M Health Care, St. Paul, USA
| | - Anna Bailey
- Medical Solutions Division, 3M Health Care, St. Paul, USA
| | - Brian Spiewak
- Medical Solutions Division, 3M Health Care, St. Paul, USA
| | - Graham Smith
- Global Medical and Clinical Affairs, 3M Health Care, St. Paul, USA
| | - Amy K McNulty
- Medical Solutions Division, 3M Health Care, St. Paul, USA
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3
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Antony A, Raju G, Job A, Joshi M, Shankarappa S. Penetration of topically applied polymeric nanoparticles across the epidermis of thick skin from rat. Biomed Phys Eng Express 2024; 10:025030. [PMID: 38316040 DOI: 10.1088/2057-1976/ad2632] [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: 10/19/2023] [Accepted: 02/05/2024] [Indexed: 02/07/2024]
Abstract
The barrier function of the epidermis poses a significant challenge to nanoparticle-mediated topical delivery. A key factor in this barrier function is the thickness of the stratum corneum (SC) layer within the epidermis, which varies across different anatomical sites. The epidermis from the palms and soles, for instance, have thicker SC compared to those from other areas. Previous studies have attempted to bypass the SC layer for nanoparticle penetration by using physical disruption; however, these studies have mostly focused on non-thick skin. In this study, we investigate the role of SC-disrupting mechano-physical strategies (tape-stripping and microneedle abrasion) on thick and thin skin, in allowing transdermal penetration of topically applied nanoparticles using an ex-vivo skin model from rat. Our findings show that tape-stripping reduced the overall thickness of SC in thick skin by 87%, from 67.4 ± 17.3μm to 8.2 ± 8.5μm, whereas it reduced thin skin SC by only 38%, from 9.9 ± 0.6μm to 6.2 ± 3.2μm. Compared to non-thick skin, SC disruption in thick skin resulted in higher nanoparticle diffusion. Tape-stripping effectively reduces SC thickness of thick skin and can be potentially utilized for enhanced penetration of topically applied nanoparticles in skin conditions that affect thick skin.
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Affiliation(s)
- Andrea Antony
- Amrita School of Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi - 682041, Kerala, India
| | - Gayathri Raju
- Amrita School of Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi - 682041, Kerala, India
| | - Ahina Job
- Amrita School of Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi - 682041, Kerala, India
- Faculty of Life and Allied Health Sciences, M S Ramaiah University of Applied Sciences, Bangalore, 560054, India
| | - Meet Joshi
- Amrita School of Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi - 682041, Kerala, India
| | - Sahadev Shankarappa
- Amrita School of Nanosciences and Molecular Medicine, Amrita Institute of Medical Sciences and Research Centre, Amrita Vishwa Vidyapeetham, Kochi - 682041, Kerala, India
- Faculty of Life and Allied Health Sciences, M S Ramaiah University of Applied Sciences, Bangalore, 560054, India
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4
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Visitsunthorn K, Atwal S, Lopez E, Ong PY. Solving the health disparity of eczema assessment: A role for skin tape soluble protein? THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. GLOBAL 2024; 3:100180. [PMID: 38026505 PMCID: PMC10652108 DOI: 10.1016/j.jacig.2023.100180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 12/01/2023]
Abstract
Background The assessment of erythema in patients with atopic dermatitis (AD) is based on clinical examination. The difficulty of perceiving erythema in Black patients with AD has led to underestimation of AD severity in these patients. Objective In this study, we analyzed the concentration of skin tape soluble protein of AD lesions against common AD clinical signs. Method A total of 50 children with AD were included. Skin tape total soluble protein was extracted from AD lesions and analyzed against validated AD clinical signs, including erythema, excoriation, edema, oozing, and lichenification. Results Concentration of skin tape soluble protein is positively correlated with acute signs of AD, especially erythema. Conclusion Determination of concentration of skin tape protein is a potential tool for grading erythema of AD lesions, and it may have an application in improving the health disparity of assessment of eczema severity in Black patients with AD.
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Affiliation(s)
| | - Sanmeet Atwal
- Keck School of Medicine, University of Southern California Los Angeles, Los Angeles, Calif
| | - Elvira Lopez
- Division of Clinical Immunology and Allergy, Children's Hospital Los Angeles, Los Angeles, Calif
| | - Peck Y. Ong
- Keck School of Medicine, University of Southern California Los Angeles, Los Angeles, Calif
- Division of Clinical Immunology and Allergy, Children's Hospital Los Angeles, Los Angeles, Calif
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5
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Dyson E, Sikkink S, Nocita D, Twigg P, Westgate G, Swift T. Evaluating the Irritant Factors of Silicone and Hydrocolloid Skin Contact Adhesives Using Trans-Epidermal Water Loss, Protein Stripping, Erythema, and Ease of Removal. ACS APPLIED BIO MATERIALS 2024; 7:284-296. [PMID: 38150300 PMCID: PMC10792606 DOI: 10.1021/acsabm.3c00874] [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: 09/27/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 12/28/2023]
Abstract
A composite silicone skin adhesive material was designed to improve its water vapor permeability to offer advantages to wearer comfort compared to existing skin adhesive dressings available (including perforated silicone and hydrocolloid products). The chemical and mechanical properties of this novel dressing were analyzed to show that it has a high creep compliance, offering anisotropic elasticity that is likely to place less stress on the skin. A participant study was carried out in which 31 participants wore a novel silicone skin adhesive (Sil2) and a hydrocolloid competitor and were monitored for physiological response to the dressings. Trans-epidermal water loss (TEWL) was measured pre- and postwear to determine impairment of skin barrier function. Sil2 exhibited a higher vapor permeability than the hydrocolloid dressings during wear. Peel strength measurements and dye counter staining of the removed dressings showed that the hydrocolloid had a higher adhesion to the participants' skin, resulting in a greater removal of proteins from the stratum corneum and a higher pain rating from participants on removal. Once the dressings were removed, TEWL of the participants skin beneath the Sil2 was close to normal in comparison to the hydrocolloid dressings that showed an increase in skin TEWL, indicating that the skin had been highly occluded. Analysis of the skin immediately after removal showed a higher incidence of erythema following application of hydrocolloid dressings (>60%) compared to Sil2, (<30%). In summary, this modified silicone formulation demonstrates superior skin protection properties compared to hydrocolloid dressings and is more suitable for use as a skin adhesive.
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Affiliation(s)
- Edward Dyson
- School
of Chemistry and Biosciences, University
of Bradford, Bradford BD7 1DP, U.K.
| | - Stephen Sikkink
- School
of Chemistry and Biosciences, University
of Bradford, Bradford BD7 1DP, U.K.
| | - Davide Nocita
- Faculty
of Engineering and Informatics, University
of Bradford, Bradford BD7 1DP, U.K.
| | - Peter Twigg
- Faculty
of Engineering and Informatics, University
of Bradford, Bradford BD7 1DP, U.K.
| | - Gill Westgate
- School
of Chemistry and Biosciences, University
of Bradford, Bradford BD7 1DP, U.K.
| | - Thomas Swift
- School
of Chemistry and Biosciences, University
of Bradford, Bradford BD7 1DP, U.K.
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Maiellaro M, Bottillo G, Cavallo A, Camera E. Comparison between ammonium formate and ammonium fluoride in the analysis of stratum corneum lipids by reversed phase chromatography coupled with high resolution mass spectrometry. Sci Rep 2024; 14:40. [PMID: 38167931 PMCID: PMC10762128 DOI: 10.1038/s41598-023-50051-1] [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: 07/17/2023] [Accepted: 12/14/2023] [Indexed: 01/05/2024] Open
Abstract
Lipids are key constituents of the barrier function in the human stratum corneum (SC), which is the outermost layer of the epidermis and amenable to non-invasive sampling by tape stripping. The three major lipid classes in the SC, i.e., ceramides, fatty acids, and cholesterol, present equimolar concentration. Liquid chromatography coupled with mass spectrometry (LCMS) is elective in profiling lipids in the SC in both positive and negative ion modes. Nevertheless, the latter one allows for the simultaneous detection of the three major epidermal components of the SC. Determination of ceramides in the SC poses analytical challenges due to their wide range of structures and concentrations especially in the case of limited sample amounts. Ammonium formate is a commonly used modifier added to the mobile phase to assist ionization. However, it introduces uncertainty in the identification of ceramides when operating in negative ion mode, even with high resolution MS. We tested the advantages of using fluoride in the lipid profiling of SC and unambiguous identification of ceramides subclasses. The use of fluoride enhanced the ionization of ceramides, regardless the specific substructure, solved misidentification issues, and was successfully applied to the simultaneous detection of all three lipid classes in the human SC.
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Affiliation(s)
- Miriam Maiellaro
- Laboratory of Cutaneous Physiopathology, San Gallicano Dermatological Institute - IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy
| | - Grazia Bottillo
- Laboratory of Cutaneous Physiopathology, San Gallicano Dermatological Institute - IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy
| | - Alessia Cavallo
- Laboratory of Cutaneous Physiopathology, San Gallicano Dermatological Institute - IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy
| | - Emanuela Camera
- Laboratory of Cutaneous Physiopathology, San Gallicano Dermatological Institute - IRCCS, Via Elio Chianesi 53, 00144, Rome, Italy.
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7
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Banila C, Green D, Katsanos D, Viana J, Osmaston A, Menendez Vazquez A, Lynch M, Kaveh S. A noninvasive method for whole-genome skin methylome profiling. Br J Dermatol 2023; 189:750-759. [PMID: 37658851 DOI: 10.1093/bjd/ljad316] [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: 04/27/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 09/05/2023]
Abstract
BACKGROUND Ageing, disease and malignant transformation of the skin are associated with changes in DNA methylation. So far, mostly invasive methodologies such as biopsies have been applied in collecting DNA methylation signatures. Tape stripping offers a noninvasive option for skin diagnostics. It enables the easy but robust capture of biologic material in large numbers of participants without the need for specialized medical personnel. OBJECTIVES To design and validate a methodology for noninvasive skin sample collection using tape stripping for subsequent DNA -methylation analysis. METHODS A total of 175 participants were recruited and provided tape-stripping samples from a sun-exposed area; 92 provided matched tape-stripping samples from a sun-protected area, and an additional 5 provided matched skin-shave biopsies from the same area. Using -enzymatic conversion and whole-genome Illumina sequencing, we generated genome-wide DNA methylation profiles that were used to evaluate the feasibility of noninvasive data acquisition, to compare with established sampling approaches and to investigate biomarker identification for age and ultraviolet (UV) exposure. RESULTS We found that tape-stripping samples showed strong concordance in their global DNA methylation landscapes to those of conventional invasive biopsies. Moreover, we showed sample reproducibility and consistent global methylation profiles in skin tape-stripping samples collected from different areas of the body. Using matched samples from sun-protected and sun-exposed areas of the body we were able to validate the capacity of our method to capture the effects of environmental changes and ageing in a cohort covering various ages, ethnicities and skin types. We found DNA methylation changes on the skin resulting from UV exposure and identified significant age-related hypermethylation of CpG islands, with a pronounced peak effect at 50-55 years of age, including methylation changes in well-described markers of ageing. CONCLUSIONS These data demonstrate the feasibility of using tape stripping combined with whole-genome sequencing as a noninvasive approach to measuring DNA methylation changes in the skin. In addition, they outline a viable experimental framework for the use of skin tape stripping, particularly when it is performed in large cohorts of patients to identify biomarkers of skin ageing, UV damage and, possibly, to track treatment response to therapeutic interventions.
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Affiliation(s)
| | - Daniel Green
- Mitra Bio, Translation and Innovation Hub, London, UK
| | | | - Joana Viana
- Mitra Bio, Translation and Innovation Hub, London, UK
| | - Alice Osmaston
- Centre for Infectious Disease Epidemiology, University College London, London, UK
| | | | - Magnus Lynch
- Centre for Gene Therapy and Regenerative Medicine, King's College London, London, UK
| | - Shakiba Kaveh
- Mitra Bio, Translation and Innovation Hub, London, UK
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8
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Bieber T. Disease modification in inflammatory skin disorders: opportunities and challenges. Nat Rev Drug Discov 2023; 22:662-680. [PMID: 37443275 DOI: 10.1038/s41573-023-00735-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2023] [Indexed: 07/15/2023]
Abstract
Progress in understanding of the mechanisms underlying chronic inflammatory skin disorders, such as atopic dermatitis and psoriasis vulgaris, has led to new treatment options with the primary goal of alleviating symptoms. In addition, this knowledge has the potential to inform on new strategies aimed at inducing deep and therapy-free remission, that is, disease modification, potentially impacting on associated comorbidities. However, to reach this goal, key areas require further exploration, including the definitions of disease modification and disease activity index, further understanding of disease mechanisms and systemic spillover effects, potential windows of opportunity, biomarkers for patient stratification and successful intervention, as well as appropriate study design. This Perspective article assesses the opportunities and challenges in the discovery and development of disease-modifying therapies for chronic inflammatory skin disorders.
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Affiliation(s)
- Thomas Bieber
- Department of Dermatology and Allergy, University Hospital, Bonn, Germany.
- Christine Kühne - Center for Allergy Research and Education, Davos, Switzerland.
- Davos Biosciences, Davos, Switzerland.
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9
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Yang M, Huan W, Zhang G, Li J, Xia F, Durrani R, Zhao W, Lu J, Peng X, Gao F. Identification of Protein Quality Markers in Toad Venom from Bufo gargarizans. Molecules 2023; 28:molecules28083628. [PMID: 37110862 PMCID: PMC10141085 DOI: 10.3390/molecules28083628] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 04/05/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Toad venom is a traditional Chinese medicine with high medicinal value. The existing quality evaluation standards of toad venom have obvious limitations because of the lack of research on proteins. Thus, it is necessary to screen suitable quality markers and establish appropriate quality evaluation methods for toad venom proteins to guarantee their safety and efficacy in clinical applications. SDS-PAGE, HPLC, and cytotoxicity assays were used to analyze differences in protein components of toad venom from different areas. Functional proteins were screened as potential quality markers by proteomic and bioinformatic analyses. The protein components and small molecular components of toad venom were not correlated in content. Additionally, the protein component had strong cytotoxicity. Proteomics analysis showed that 13 antimicrobial proteins, four anti-inflammatory and analgesic proteins, and 20 antitumor proteins were differentially expressed extracellular proteins. A candidate list of functional proteins was coded as potential quality markers. Moreover, Lysozyme C-1, which has antimicrobial activity, and Neuropeptide B (NPB), which has anti-inflammatory and analgesic activity, were identified as potential quality markers for toad venom proteins. Quality markers can be used as the basis of quality studies of toad venom proteins and help to construct and improve safe, scientific, and comprehensive quality evaluation methods.
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Affiliation(s)
- Meiyun Yang
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A&F University, Hangzhou 311300, China
| | - Weiwei Huan
- Zhejiang Provincial Key Laboratory of Chemical Utilization of Forestry Biomass, College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, China
| | - Guobing Zhang
- Department of Pharmacy, Zhejiang Province People's Hospital, Hangzhou 310014, China
| | - Jie Li
- Zhejiang Provincial Key Laboratory of Chemical Utilization of Forestry Biomass, College of Chemistry and Materials Engineering, Zhejiang A&F University, Hangzhou 311300, China
| | - Fengyan Xia
- The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 313000, China
| | - Rabia Durrani
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, China
| | - Wei Zhao
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A&F University, Hangzhou 311300, China
| | - Jidong Lu
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A&F University, Hangzhou 311300, China
| | - Xinmeng Peng
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A&F University, Hangzhou 311300, China
| | - Fei Gao
- Zhejiang Provincial Key Laboratory of Resources Protection and Innovation of Traditional Chinese Medicine, Zhejiang A&F University, Hangzhou 311300, China
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10
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Abstract
Significance: Healthy skin provides a barrier to contaminants. Breaches in skin integrity are often encountered in the patient health care journey, owing to intrinsic health issues or to various procedures and medical devices used. The time has come to move clinical practice beyond mere awareness of medical adhesive-related skin injury and toward improved care and outcomes. Recent Advances: Methods developed in research settings allow quantitative assessments of skin damage based on the measurement of baseline skin properties. These properties become altered by stress and over time. Assessment methods typically used by the cosmetic industry to compare product performance could offer new possibilities to improve clinical practice by providing better information on the status of patient skin. This review summarizes available skin assessment methods as well as specific patient risks for skin damage. Critical Issues: Patients in health care settings may be at risk for skin damage owing to predisposing medical conditions, health status, medications taken, and procedures or devices used in their treatment. Skin injuries come as an additional burden to these medical circumstances and could be prevented. Technology should be leveraged to improve care, help maintain patient skin health, and better characterize functional wound closure. Future Directions: Skin testing methods developed to evaluate cosmetic products or assess damage caused by occupational exposure can provide detailed, quantitative information on the integrity of skin. Such methods have the potential to guide prevention and treatment efforts to improve the care of patients suffering from skin integrity issues while in the health care system.
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Affiliation(s)
- Stéphanie F. Bernatchez
- 3M Health Care, St. Paul, Minnesota, USA.,Correspondence: 3M Health Care, St. Paul, MN 55144-1000, USA
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11
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Topical Delivery of Atraric Acid Derived from Stereocaulon japonicum with Enhanced Skin Permeation and Hair Regrowth Activity for Androgenic Alopecia. Pharmaceutics 2023; 15:pharmaceutics15020340. [PMID: 36839662 PMCID: PMC9960134 DOI: 10.3390/pharmaceutics15020340] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 01/13/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023] Open
Abstract
Atraric acid (AA) is a phenolic compound isolated from Stereocaulon japonicum that has demonstrated anti-androgen properties and was used to design an alternative formulation for the treatment of alopecia. This new topical formulation was designed using a solvent mixture system composed of ethanol as a volatile vehicle, oleic acid as a permeation enhancer, and water for skin hydration. The ideal topical AA formulation (AA-TF#15) exhibited an 8.77-fold higher human skin flux and a 570% increase in dermal drug deposition, compared to 1% (w/w) AA in ethanol. In addition, compared to other formulations, AA-TF#15 (1% [w/w] AA) activated keratinocytes and human dermal papilla cell proliferation at a concentration of 50 µM AA, which is equivalent to 50 µM minoxidil. Moreover, AA-TF#15 treatment produced a significant increase in hair regrowth by 58.0% and 41.9% compared to the 1% (w/w) minoxidil and oral finasteride (1 mg/kg)-treated mice. In addition, AA-TF#15 showed a higher expression level of aldehyde dehydrogenase 1, β-catenin, cyclin D1, and pyruvate kinase M2 proteins in the skin of AA-TF#15-treated mice compared to that of those treated with minoxidil and oral finasteride. These findings suggest AA-TF#15 is an effective formulation for the treatment of scalp androgenic alopecia.
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12
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Multari DH, Ravishankar P, Sullivan GJ, Power RK, Lord C, Fraser JA, Haynes PA. Proteomics dataset from 26th Dynasty Egyptian mummified remains sampled using minimally invasive skin sampling tape strips. Data Brief 2022; 45:108562. [PMID: 36118295 PMCID: PMC9478331 DOI: 10.1016/j.dib.2022.108562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/01/2022] [Accepted: 08/25/2022] [Indexed: 11/30/2022] Open
Abstract
Paleoproteomics typically involves the destructive sampling of precious bioarchaeological materials. This analysis aims to investigate the proteins identifiable via nanoLC-MS/MS from highly degraded 26th Dynasty Egyptian mummified human remains (NMR.29.1-8) after non-destructive sampling with commercially available dermatology-grade skin sampling tape strips. A collection of cranial and other bone fragments were sampled with the tape strips then subsequently analysed using a shotgun proteomics approach. The number of proteins identified using this method ranged from 18 to 437 at a peptide FDR of <1%. Deamidation ratios were assessed using an in-house R script, with asparagine deamidation averaging ∼20–30% and glutamine deamidation averaging ∼15–25%.
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Affiliation(s)
- Dylan H. Multari
- School of Natural Sciences, Macquarie University1, North Ryde, NSW 2109, Australia
| | - Prathiba Ravishankar
- School of Natural Sciences, Macquarie University1, North Ryde, NSW 2109, Australia
| | | | - Ronika K. Power
- Department of History and Archaeology, Macquarie University, North Ryde, NSW 2109, Australia
- Biomolecular Discovery Research Centre, Macquarie University, North Ryde, NSW 2109, Australia
- Centre for Ancient Cultural Heritage and Environment, Macquarie University, North Ryde, NSW 2109, Australia
| | - Constance Lord
- Chau Chak Wing Museum, University of Sydney, Camperdown, NSW 2006, Australia
| | | | - Paul A. Haynes
- School of Natural Sciences, Macquarie University1, North Ryde, NSW 2109, Australia
- Biomolecular Discovery Research Centre, Macquarie University, North Ryde, NSW 2109, Australia
- Centre for Ancient Cultural Heritage and Environment, Macquarie University, North Ryde, NSW 2109, Australia
- Corresponding author at: School of Natural Sciences, Macquarie University, North Ryde, NSW 2109, Australia. @HaynesLabMQ
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13
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Sadozai SK, Khan SA, Baseer A, Ullah R, Zeb A, Schneider M. In Vitro, Ex Vivo, and In Vivo Evaluation of Nanoparticle-Based Topical Formulation Against Candida albicans Infection. Front Pharmacol 2022; 13:909851. [PMID: 35873577 PMCID: PMC9304580 DOI: 10.3389/fphar.2022.909851] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 05/16/2022] [Indexed: 11/13/2022] Open
Abstract
Ketoconazole is commonly used in the treatment of topical fungal infections. The therapy requires frequent application for several weeks. Systemic side effects, allergic reactions, and prolonged treatment are often associated with non-compliance and therapy failure. Hence, we developed an optimized topical antifungal gel that can prolong the release of drug, reduce systemic absorption, enhance its therapeutic effect, and improve patient compliance. Ketoconazole-loaded PLGA nanoparticles were prepared by the emulsion/solvent evaporation method and were characterized with respect to colloidal properties, surface morphology, and drug entrapment efficiency. The optimized ketoconazole-loaded PLGA nanoparticles and commercially available silver nanoparticles were incorporated into a Carbopol 934P-NF gel base. This arrangement was characterized and compared with commercially available 2% ketoconazole cream to assess physical characteristics of the gel, in vitro drug release, ex vivo skin permeation and retention, and in vivo studies on Wister male albino rats. The results showed that polymeric PLGA nanoparticles were very effective in extending the release of ketoconazole in our optimized formulation. Nanoparticles were smooth, spherical in shape, and below 200 nm in size which is consistent with the data obtained from light scattering and SEM images. The ex vivo data showed that our gel formulation could strongly reduce drug permeation through the skin, and more than 60% of the drug was retained on the upper surface of the skin in contrast to 38.42% of the commercial cream. The in vivo studies showed that gel formulation could effectively treat the infection. This study demonstrates that our topical gel could be effective in sustaining the release of drug and suggests its potential use as a possible strategy to combat antifungal-resistant Candida albicans.
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Affiliation(s)
- Sajid Khan Sadozai
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, Pakistan
| | - Saeed Ahmad Khan
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, Pakistan
- *Correspondence: Saeed Ahmad Khan, ; Marc Schneider,
| | - Abdul Baseer
- Department of Pharmacy, Abasyn University, Peshawar, Pakistan
| | - Rooh Ullah
- Department of Pharmacy, Abasyn University, Peshawar, Pakistan
| | - Alam Zeb
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Islamabad, Pakistan
| | - Marc Schneider
- Department of Pharmacy, Biopharmaceutics and Pharmaceutical Technology, Saarland University, Saarbrücken, Germany
- *Correspondence: Saeed Ahmad Khan, ; Marc Schneider,
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14
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Argatov I, Engblom J, Kocherbitov V. Modeling of composite sorption isotherm for stratum corneum. BIOCHIMICA ET BIOPHYSICA ACTA. BIOMEMBRANES 2022; 1864:183910. [PMID: 35300950 DOI: 10.1016/j.bbamem.2022.183910] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/18/2022] [Accepted: 03/05/2022] [Indexed: 06/14/2023]
Abstract
Equilibrium water sorption in stratum corneum (SC) is considered by treating it as a biocomposite with two main phases, namely, corneocytes and lipids. To validate the rule of mixtures for the individual phase sorption isotherms, a new flexible fitting model is introduced by accounting for characteristic features observed in the variations of the thermodynamic correction factors corresponding to the individual sorption isotherms. The comparison of the model fitting performance with that of the five-parameter Park's model shows a remarkably good ability to fit experimental data for different types of sorption isotherms. The effect of the lipids content on the variance of the composite sorption isotherm of stratum corneum is highlighted. The sensitivity analysis reveals that for the typical water content 20-30 wt%, which corresponds to the SC in a stable condition, the sensitivity of the composite sorption isotherm to the variation of the lipids content on dry basis is predominantly positive and sufficiently small. The good agreement observed between the experimental sorption isotherm for SC and the composite isotherm, which is based on the rule of mixtures for the individual phase sorption isotherms, yields a plausible conclusion (hypothesis) that the corneocytes-lipids mechanical interaction during unconstrained swelling of the SC membrane in the in vitro laboratory experiment is negligible.
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Affiliation(s)
- Ivan Argatov
- Faculty of Health and Society, Malmö University, SE-205 06 Malmö, Sweden; Biofilms - Research Center for Biointerfaces, Malmö University, SE-205 06 Malmö, Sweden; Institut für Mechanik, Technische Universität Berlin, 10623 Berlin, Germany
| | - Johan Engblom
- Faculty of Health and Society, Malmö University, SE-205 06 Malmö, Sweden; Biofilms - Research Center for Biointerfaces, Malmö University, SE-205 06 Malmö, Sweden
| | - Vitaly Kocherbitov
- Faculty of Health and Society, Malmö University, SE-205 06 Malmö, Sweden; Biofilms - Research Center for Biointerfaces, Malmö University, SE-205 06 Malmö, Sweden.
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15
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Julander A, Rietz Liljedahl E, Korres de Paula H, Assarsson E, Engfeldt M, Littorin M, Shobana Anto C, Lidén C, Broberg K. Nickel penetration into stratum corneum in FLG null carriers - a human experimental study. Contact Dermatitis 2022; 87:154-161. [PMID: 35474514 PMCID: PMC9544599 DOI: 10.1111/cod.14137] [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: 12/15/2021] [Revised: 04/06/2022] [Accepted: 04/07/2022] [Indexed: 11/21/2022]
Abstract
Background The filaggrin gene (FLG) plays a role in skin diseases, with the skin barrier function being impaired in FLG null carriers. The role of FLG status in relation to nickel penetration into the skin remains unclear. Objectives To elucidate the association between FLG status and nickel penetration into stratum corneum (SC) in individuals without self‐reported history of nickel allergy. Methods Forty participants (23 FLG wt and 17 FLG null) were exposed to a nickel solution (80 μg/cm2) which was applied onto 2 × 2 cm on their left forearm. After 4 h, the area was tape‐stripped with 10 consecutive tapes. Nickel in each tape was quantified using inductively coupled plasma mass spectrometry. Results The average recovered nickel dose was 35%–48%. A tendency towards lower recovery was seen in FLG null carriers compared to FLG wt carriers, and lower recovery in those with history of skin and/or respiratory symptoms compared to those without such history. This was however not statistically significant. Conclusion FLG null carriers had less nickel recovered by tape strips compared with FLG wt carriers and, compared with individuals without a history of skin and/or respiratory symptoms, indicating higher nickel penetration into SC for FLG null carriers, but further studies are needed.
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Affiliation(s)
- Anneli Julander
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Emelie Rietz Liljedahl
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Helena Korres de Paula
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Eva Assarsson
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Malin Engfeldt
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Margareta Littorin
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden
| | - Christine Shobana Anto
- Unit of Metals and Health, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Carola Lidén
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Karin Broberg
- Division of Occupational and Environmental Medicine, Department of Laboratory Medicine, Lund University, Lund, Sweden.,Unit of Metals and Health, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
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16
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Abstract
Adhesive tape has been used in the scientific study of human skin for over 90 years. Using the tape stripping method in dermatology has aided in the research and diagnose of different skin diseases. Basic science, identification, and therapeutic interventions in skin diseases such as psoriasis, atopic dermatitis, non-melanoma skin cancer, and melanoma have been studied using this technique. Among many promising applications that will be discussed throughout this paper, the Pigmented Lesion Assay (PLA) will be discussed in depth in relation to melanoma. This product carries considerable and significant research towards early detection of melanoma. Tape stripping is unique and advantageous in its ability to provide a non-surgical approach to evaluating the human epidermis. The cellular and molecular components of the skin are used to diagnose different skin conditions without invasive skin biopsy.
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Affiliation(s)
- Cara Barber
- Department of Dermatology, Silver Falls Dermatology Good Samaritan Health, Salem, OR
| | - Susan Boiko
- Department of Dermatology, University of California San Diego, San Diego, CA; Pediatric and Adolescent Dermatology, University of California, San Diego, and Rady Children's Hospital, San Diego, CA.
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17
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Subedi L, Pandey P, Shim JH, Kim KT, Cho SS, Koo KT, Kim BJ, Park JW. Preparation of topical bimatoprost with enhanced skin infiltration and in vivo hair regrowth efficacy in androgenic alopecia. Drug Deliv 2022; 29:328-341. [PMID: 35040730 PMCID: PMC8774136 DOI: 10.1080/10717544.2022.2027046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
To prepare a topical formulation of bimatoprost (BIM) with high skin permeability, we designed a solvent mixture system composed of ethanol, diethylene glycol monoethyl ether, cyclomethicone, and butylated hydroxyanisole, serving as a volatile solvent, nonvolatile co-solvent, spreading agent, and antioxidant, respectively. The ideal topical BIM formulation (BIM–TF#5) exhibited 4.60-fold higher human skin flux and a 529% increase in dermal drug deposition compared to BIM in ethanol. In addition, compared to the other formulations, BIM–TF#5 maximally activated human dermal papilla cell proliferation at a concentration of 5 μM BIM, equivalent to 10 μM minoxidil. Moreover, BIM–TF#5 (0.3% [w/w] BIM) significantly promoted hair regrowth in the androgenic alopecia mouse model and increased the area covered by hair at 10 days by 585% compared to the vehicle-treated mice, indicating that entire telogen area transitioned into the anagen phase. Furthermore, at day 14, the hair weight of mice treated with BIM–TF#5 (5% [w/w] BIM) was 8.45- and 1.30-fold greater than in the 5% (w/w) BIM in ethanol and 5% (w/v) minoxidil treated groups, respectively. In the histological examination, the number and diameter of hair follicles in the deep subcutis were significantly increased in the BIM–TF#5 (0.3 or 5% [w/w] BIM)-treated mice compared to the mice treated with vehicle or 5% (w/w) BIM in ethanol. Thus, our findings suggest that BIM–TF#5 is an effective formulation to treat scalp alopecia, as part of a novel therapeutic approach involving direct prostamide F2α receptor-mediated stimulation of dermal papilla cells within hair follicles.
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Affiliation(s)
- Laxman Subedi
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Prashant Pandey
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Jung-Hyun Shim
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam, Republic of Korea.,College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Ki-Taek Kim
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam, Republic of Korea.,College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Seung-Sik Cho
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam, Republic of Korea.,College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
| | - Kyo-Tan Koo
- BioBelief Co., Ltd., Seoul, Republic of Korea
| | - Beum Joon Kim
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Jin Woo Park
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam, Republic of Korea.,College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam, Republic of Korea
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18
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Wu B, Li Y, Li YY, Shi ZH, Bian XH, Xia Q. Nanostructured-lipid carriers-Chitosan hydrogel beads carrier system for loading of resveratrol: A new method of topical application. J Biomater Appl 2022; 36:1444-1457. [PMID: 34995470 DOI: 10.1177/08853282211053923] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The aim of this study was to develop nanostructured-lipid carriers (NLC) encapsulated by Chitosan hydrogel beads for the efficient topical carrier. Dynamic light scattering (DLS), X-ray diffraction (XRD), Differential scanning calorimetry (DSC), and attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) were conducted to study the influence of the encapsulation on the characteristic of resveratrol-loaded NLC, and the results showed that there was no impact on resveratrol-loaded NLC. Chitosan hydrogel beads could significantly improve the physical stability of resveratrol-loaded NLC. In vitro release study revealed that resveratrol-loaded NLC-Chitosan hydrogel beads had a more significant sustained-release effect on resveratrol. In vitro transdermal studies suggested that the skin permeation of resveratrol was promoted by the effect of Chitosan hydrogel beads and increased resveratrol distribution in the skin. In vitro cytotoxicity showed that resveratrol-loaded NLC-Chitosan hydrogel beads did not exert a hazardous effect on L929 cells. Hence, NLC-Chitosan hydrogel beads might be a promising method for topical applications of resveratrol.
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Affiliation(s)
- Bi Wu
- 12579Southeast University, Nanjing, China
| | - Yang Li
- 47820Northeast Forestry University, Harbin, China
| | - Yuan Y Li
- 12579Southeast University, Nanjing, China.,164368Southeast University Chengxian College, Nanjing, China
| | - Zhi H Shi
- Nanjing Medlander Medical Technology Co., Ltd., Nanjing, China
| | - Xiao H Bian
- Nanjing Medlander Medical Technology Co., Ltd., Nanjing, China
| | - Qiang Xia
- 12579Southeast University, Nanjing, China.,Suzhou Key Laboratory of Biomedical Materials and Technology, Suzhou, China
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19
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Łuczaj W, Gęgotek A, Skrzydlewska E. Analytical approaches to assess metabolic changes in psoriasis. J Pharm Biomed Anal 2021; 205:114359. [PMID: 34509137 DOI: 10.1016/j.jpba.2021.114359] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/29/2021] [Accepted: 08/30/2021] [Indexed: 12/18/2022]
Abstract
Psoriasis is one of the most common human skin diseases, although its development is not limited to one tissue, but is associated with autoimmune reactions throughout the body. Overproduction of pro-inflammatory cytokines and growth factors systemically stimulates the proliferation of skin cells, which manifests as excessive exfoliation of the epidermis, and/or arthritis, as well as other comorbidities such as insulin resistance, metabolic syndrome, hypertension, and depression. Thus, there is a great need for a thorough analysis of the pathophysiology of psoriatic patients, including classical methods, such as spectrophotometry, chromatography, or Western blot, and also novel omics approaches such as lipidomics and proteomics. Moreover, the extensive pathophysiology forces increased research examining biological changes in both skin cells, and systemically. A wide range of techniques involved in lipidomic research based on a combination of mass spectrometry and different types of chromatography (RP-LC-QTOF-MS/MS, HILIC-QTOF-MS/MS or RP-LC-QTRAP-MS/MS), have allowed comprehensive assessment of lipid modification in psoriatic skin and provided new insight into the role of lipids and their mechanism of action in psoriasis. Moreover, proteomic analysis using gel-nanoLC-OrbiTrap-MS/MS, as well as MALDI-TOF/TOF techniques facilitates the description of panels of enzymes involved in lipidome modifications, and the response of the endocannabinoid system to metabolic changes. Psoriasis is known to alter the expression of proteins that are involved in the inflammatory and antioxidant response, as well as protein biosynthesis, degradation, as well as cell proliferation and apoptosis. Knowledge of changes in the lipidomic and proteomic profile will not only allow the understanding of psoriasis pathophysiology, but also facilitate proper and early diagnosis and effective pharmacotherapy.
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Affiliation(s)
- Wojciech Łuczaj
- Department of Analytical Chemistry, Medical University of Bialystok, Mickiewicza 2d, 15-222, Bialystok, Poland
| | - Agnieszka Gęgotek
- Department of Analytical Chemistry, Medical University of Bialystok, Mickiewicza 2d, 15-222, Bialystok, Poland
| | - Elżbieta Skrzydlewska
- Department of Analytical Chemistry, Medical University of Bialystok, Mickiewicza 2d, 15-222, Bialystok, Poland.
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20
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Rinaldi AO, Korsfeldt A, Ward S, Burla D, Dreher A, Gautschi M, Stolpe B, Tan G, Bersuch E, Melin D, Askary Lord N, Grant S, Svedenhag P, Tsekova K, Schmid‐Grendelmeier P, Möhrenschlager M, Renner ED, Akdis CA. Electrical impedance spectroscopy for the characterization of skin barrier in atopic dermatitis. Allergy 2021; 76:3066-3079. [PMID: 33830511 DOI: 10.1111/all.14842] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 03/05/2021] [Accepted: 03/23/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND Allergic disorders such as atopic dermatitis (AD) are strongly associated with an impairment of the epithelial barrier, in which tight junctions and/or filaggrin expression can be defective. Skin barrier assessment shows potential to be clinically useful for prediction of disease development, improved and earlier diagnosis, lesion follow-up, and therapy evaluation. This study aimed to establish a method to directly assess the in vivo status of epithelial barrier using electrical impedance spectroscopy (EIS). METHODS Thirty-six patients with AD were followed during their 3-week hospitalization and compared with 28 controls. EIS and transepidermal water loss (TEWL) were measured in lesional and non-lesional skin. Targeted proteomics by proximity extension assay in serum and whole-genome sequence were performed. RESULTS Electrical impedance spectroscopy was able to assess epithelial barrier integrity, differentiate between patients and controls without AD, and characterize lesional and non-lesional skin of patients. It showed a significant negative correlation with TEWL, but a higher sensitivity to discriminate non-lesional atopic skin from controls. During hospitalization, lesions reported a significant increase in EIS that correlated with healing, decreased SCORAD and itch scores. Additionally, EIS showed a significant inverse correlation with serum biomarkers associated with inflammatory pathways that may affect the epithelial barrier, particularly chemokines such as CCL13, CCL3, CCL7, and CXCL8 and other cytokines, such as IRAK1, IRAK4, and FG2, which were significantly high at admission. Furthermore, filaggrin copy numbers significantly correlated with EIS on non-lesional skin of patients. CONCLUSIONS Electrical impedance spectroscopy can be a useful tool to detect skin barrier dysfunction in vivo, valuable for the assessment of AD severity, progression, and therapy efficacy.
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Affiliation(s)
- Arturo O. Rinaldi
- Swiss Institute of Allergy and Asthma Research (SIAF Davos Switzerland
| | | | - Siobhan Ward
- Swiss Institute of Allergy and Asthma Research (SIAF Davos Switzerland
- Christine Kühne – Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
| | - Daniel Burla
- Swiss Institute of Allergy and Asthma Research (SIAF Davos Switzerland
| | - Anita Dreher
- Christine Kühne – Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
| | - Marja Gautschi
- Hochgebirgsklinik – High Altitude Clinic (HGK) Davos Switzerland
| | - Britta Stolpe
- Hochgebirgsklinik – High Altitude Clinic (HGK) Davos Switzerland
| | - Ge Tan
- Swiss Institute of Allergy and Asthma Research (SIAF Davos Switzerland
- Functional Genomics Center Zurich ETH Zurich/University of Zurich Zurich Switzerland
| | - Eugen Bersuch
- Christine Kühne – Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
| | | | | | | | | | - Kristina Tsekova
- Hochgebirgsklinik – High Altitude Clinic (HGK) Davos Switzerland
| | - Peter Schmid‐Grendelmeier
- Christine Kühne – Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
- Department of Dermatology University Hospital Zurich Switzerland
| | | | - Ellen D. Renner
- Hochgebirgsklinik – High Altitude Clinic (HGK) Davos Switzerland
- Translational Immunology in Environmental Medicine Technical University of Munich Munich Germany
| | - Cezmi A. Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF Davos Switzerland
- Christine Kühne – Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
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21
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Hou T, Tsang MS, Chu IM, Kan LL, Hon K, Leung T, Lam CW, Wong C. Skewed inflammation is associated with aberrant interleukin-37 signaling pathway in atopic dermatitis. Allergy 2021; 76:2102-2114. [PMID: 33569791 DOI: 10.1111/all.14769] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 01/04/2021] [Accepted: 01/08/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Atopic dermatitis (AD) is a severe global burden on physical, physiological, and mental health. The role of IL-37, a fundamental inhibitor of immunity, in AD was herein explored. METHOD Serum levels of IL-37 and T helper (Th) 2-related inflammatory mediators were quantified in subjects with or without AD. The expression of IL-37 receptors was determined by flow cytometry. Proteomics was employed to explore the serum protein profile and novel biomarkers. In vitro cell model, 3D-keratinocytes mimicking skin model, and the serum of subjects with or without AD were investigated to verify the proteomic results. RESULTS AD patients were found to present with higher levels of total and specific IgE as well as Th2 inflammatory mediators compared with healthy controls (HC). IL-37 level and its receptor IL18Rɑ expression in AD patients were significantly decreased, together with increased population of eosinophils, indicating that the signaling of IL37/IL18Rɑ was dampened. In addition, proteomic analysis revealed a significantly differential protein profile of AD patients compared with HC. IL-37 showed the strongest negative correlation with involucrin, a keratinizing epithelia protein. IL-37 was verified to suppress induced involucrin expression in in vitro skin cell models. AD patients show a significantly higher serum concentration of involucrin compared with HC. Together, our results demonstrated that IL-37 plays a regulatory role in AD. Its deficiency may lead to the aberrant involucrin expression in AD. CONCLUSIONS The dysregulation of serum protein and skin disruption in AD is related to the insufficiency of IL-37 and its attenuated anti-inflammatory signaling.
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Affiliation(s)
- Tianheng Hou
- Department of Chemical Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong Kong China
| | - Miranda Sin‐Man Tsang
- Department of Chemical Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong Kong China
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants The Chinese University of Hong Kong Hong Kong China
| | - Ida Miu‐Ting Chu
- Department of Chemical Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong Kong China
| | - Lea Ling‐Yu Kan
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants The Chinese University of Hong Kong Hong Kong China
| | - Kam‐Lun Hon
- Department of Paediatrics The Chinese University of Hong KongPrince of Wales Hospital Hong Kong China
| | - Ting‐Fan Leung
- Department of Paediatrics The Chinese University of Hong KongPrince of Wales Hospital Hong Kong China
| | - Christopher Wai‐Kei Lam
- Faculty of Medicine and State Key Laboratory of Quality Research in Chinese Medicines Macau University of Science and Technology Macau China
| | - Chun‐Kwok Wong
- Department of Chemical Pathology Prince of Wales HospitalThe Chinese University of Hong Kong Hong Kong China
- Institute of Chinese Medicine and State Key Laboratory of Research on Bioactivities and Clinical Applications of Medicinal Plants The Chinese University of Hong Kong Hong Kong China
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22
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Wireless, soft electronics for rapid, multisensor measurements of hydration levels in healthy and diseased skin. Proc Natl Acad Sci U S A 2021; 118:2020398118. [PMID: 33468630 PMCID: PMC7865173 DOI: 10.1073/pnas.2020398118] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Precise, quantitative measurements of the hydration status of skin can yield important insights into dermatological health and skin structure and function, with additional relevance to essential processes of thermoregulation and other features of basic physiology. Existing tools for determining skin water content exploit surrogate electrical assessments performed with bulky, rigid, and expensive instruments that are difficult to use in a repeatable manner. Recent alternatives exploit thermal measurements using soft wireless devices that adhere gently and noninvasively to the surface of the skin, but with limited operating range (∼1 cm) and high sensitivity to subtle environmental fluctuations. This paper introduces a set of ideas and technologies that overcome these drawbacks to enable high-speed, robust, long-range automated measurements of thermal transport properties via a miniaturized, multisensor module controlled by a long-range (∼10 m) Bluetooth Low Energy system on a chip, with a graphical user interface to standard smartphones. Soft contact to the surface of the skin, with almost zero user burden, yields recordings that can be quantitatively connected to hydration levels of both the epidermis and dermis, using computational modeling techniques, with high levels of repeatability and insensitivity to ambient fluctuations in temperature. Systematic studies of polymers in layered configurations similar to those of human skin, of porcine skin with known levels of hydration, and of human subjects with benchmarks against clinical devices validate the measurement approach and associated sensor hardware. The results support capabilities in characterizing skin barrier function, assessing severity of skin diseases, and evaluating cosmetic and medication efficacy, for use in the clinic or in the home.
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23
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Azimi A, Teh R, Fernandez-Penas P. Mass spectrometry-based proteomic analysis of the effect of storage temperature on non-invasively collected samples of human stratum corneum. Proteomics Clin Appl 2021; 15:e2100005. [PMID: 34009731 DOI: 10.1002/prca.202100005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 05/07/2021] [Accepted: 05/17/2021] [Indexed: 11/11/2022]
Abstract
PURPOSE The collection of human stratum corneum (SC) samples by tape-stripping promises to deliver a non-invasive method for biomarker analysis of skin diseases. The current study examines the effect of storage temperature and SC layer depth on the proteome profile of SC samples. EXPERIMENTAL DESIGN The samples were collected from healthy volunteers (n = 5) using 10 sequential adhesive discs. Discs were pooled by five (discs 1-5, 6-10) and stored at various temperatures for 10 days before their analysis by mass spectrometry. RESULTS No statistically significant difference was seen in the protein yield between discs 1-5 (14.8 mg) and 6-10 (14.4 mg), or between discs stored at -80°C (14.7 mg), -20°C (15.8 mg), 4°C (14.9 mg) or room temperature (13.2 mg). Mass spectrometry analysis revealed that the storage of SC samples at higher temperatures does not affect their proteome profile considerably (< 4.7% peptide precursor loss at lower temperatures vs. -80°C). On the other hand, while 95.3% of the identified peptide precursors were shared between discs 1-5 and 6-10, the level of 17 proteins was significantly changed between these conditions. CONCLUSIONS The findings of this study will likely have major implications on the conduct of proteomic studies involving SC sample collection, storage, and transportation.
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Affiliation(s)
- Ali Azimi
- Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, New South Wales, Australia.,Department of Dermatology, Westmead Hospital, Westmead, New South Wales, Australia.,Centre for Cancer Research, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
| | - Rachel Teh
- Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, New South Wales, Australia.,Department of Dermatology, Westmead Hospital, Westmead, New South Wales, Australia.,Centre for Cancer Research, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
| | - Pablo Fernandez-Penas
- Westmead Clinical School, Faculty of Medicine and Health, The University of Sydney, Westmead, New South Wales, Australia.,Department of Dermatology, Westmead Hospital, Westmead, New South Wales, Australia.,Centre for Cancer Research, Westmead Institute for Medical Research, The University of Sydney, Westmead, New South Wales, Australia
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24
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Guttman-Yassky E, Diaz A, Pavel AB, Fernandes M, Lefferdink R, Erickson T, Canter T, Rangel S, Peng X, Li R, Estrada Y, Xu H, Krueger JG, Paller AS. Use of Tape Strips to Detect Immune and Barrier Abnormalities in the Skin of Children With Early-Onset Atopic Dermatitis. JAMA Dermatol 2021; 155:1358-1370. [PMID: 31596431 DOI: 10.1001/jamadermatol.2019.2983] [Citation(s) in RCA: 113] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Importance Molecular profiling of skin biopsies is the criterion standard for evaluating the cutaneous atopic dermatitis (AD) phenotype. However, skin biopsies are not always feasible in children. A reproducible minimally invasive approach that can track cutaneous disease in pediatric longitudinal studies or clinical trials is lacking. Objective To assess a minimally invasive approach using tape strips to identify skin biomarkers that may serve as a surrogate to biomarkers identified using whole-tissue biopsies. Design, Setting, and Participants This cross-sectional study of 51 children younger than 5 years recruited children with moderate to severe AD and children without AD from the dermatology outpatient clinics at a children's hospital. Sixteen tape strips were serially collected from the nonlesional and lesional skin of 21 children who had AD and were less than 6 months from disease initiation and from the normal skin of 30 children who did not have AD between January 22, 2016, and April 20, 2018. Main Outcomes and Measures Gene and protein expression were evaluated using quantitative real-time polymerase chain reaction and immunohistochemistry. Results A total of 51 children younger than 5 years were included in the study; 21 children had moderate to severe AD with less than 6 months of disease duration, and 30 children did not have AD. Of the 21 children with AD, the mean (SD) age was 1.7 (1.7) years, and most were male (15 [71.4%] and white (15 [71.4%]). Of the 30 children without AD, the mean (SD) age was 1.8 (2.0) years, and most were female (20 [66.7%]) and white (22 [73.3%]). Seventy-seven of 79 evaluated immune and barrier gene products were detected (gene detection rate, 97%) in 70 of 71 tape strips (sample detection rate, 99%), with 53 of 79 markers differentiating between children with lesional and/or nonlesional AD from children without AD. Many cellular markers of T cells (CD3), AD-related dendritic cells (Fc ε RI and OX40 ligand receptors), and key inflammatory (matrix metallopeptidase 12), innate (interleukin 8 [IL-8] and IL-6), helper T cell 2 (TH2; IL-4, IL-13, and chemokines CCL17 and CCL26), and TH17/TH22 (IL-19, IL-36G, and S100A proteins) genes were significantly increased in lesional and nonlesional AD compared with tape strips from normal skin. For example, IL-4 mean (SE) for lesional was -15.2 (0.91) and normal was -19.5 (0.48); P < .001. Parallel decreases occurred in epidermal barrier gene products (FLG, CLDN23, and FA2H) and negative immune regulators (IL-34 and IL-37). For example, the decrease for FLG lesional was mean (SE) -2.9 (0.42) and for normal was 2.2 (0.45); P < .001. Associations were found between disease severity or transepidermal water loss and TH2 (IL-33 and IL-4R) and TH17/TH22 (IL-36G and S100As) products in lesional and nonlesional AD skin (evaluated using the SCORing Atopic Dermatitis, Eczema Area and Severity Index, and Pruritus Atopic Dermatitis Quickscore tools). Conclusions and Relevance In this study, tape strips provide a minimally invasive alternative for serially evaluating AD-associated cutaneous biomarkers and may prove useful for tracking pediatric AD therapeutic response and predicting future course and comorbidities.
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Affiliation(s)
- Emma Guttman-Yassky
- Department of Dermatology and Laboratory for Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai Medical Center, New York, New York
| | - Aisleen Diaz
- Department of Dermatology and Laboratory for Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai Medical Center, New York, New York.,School of Medicine, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Ana B Pavel
- Department of Dermatology and Laboratory for Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai Medical Center, New York, New York
| | - Marie Fernandes
- Department of Dermatology and Laboratory for Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai Medical Center, New York, New York
| | - Rachel Lefferdink
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Taylor Erickson
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Talia Canter
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Stephanie Rangel
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
| | - Xiangyu Peng
- Department of Dermatology and Laboratory for Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai Medical Center, New York, New York
| | - Randall Li
- Department of Dermatology and Laboratory for Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai Medical Center, New York, New York
| | - Yeriel Estrada
- Department of Dermatology and Laboratory for Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai Medical Center, New York, New York
| | - Hui Xu
- Department of Dermatology and Laboratory for Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai Medical Center, New York, New York
| | - James G Krueger
- Laboratory for Investigative Dermatology, The Rockefeller University, New York, New York
| | - Amy S Paller
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, Illinois
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25
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Keurentjes AJ, Jakasa I, Kezic S. Research Techniques Made Simple: Stratum Corneum Tape Stripping. J Invest Dermatol 2021; 141:1129-1133.e1. [PMID: 33888213 DOI: 10.1016/j.jid.2021.01.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 01/14/2021] [Accepted: 01/14/2021] [Indexed: 12/13/2022]
Abstract
Stratum corneum (SC)-derived biomarkers can provide relevant information on the skin's antimicrobial, physical, and immunological barriers. The SC is easily accessible, and collection by adhesive tapes (tape stripping [TS]) is robust and minimally invasive. Given its minimal invasiveness and simplicity, TS is particularly useful for studies in the pediatric population and when repetitive sampling over time is desirable, for example, in clinical trials. The palette of SC biomarkers is expanding in a wide variety of research areas, benefiting from advances in multiplex immunoassays and omics approaches, including proteomics, lipidomics, and transcriptomics. Although there is increasing interest in collecting SC samples, the lack of TS standardization hampers its broader implementation in research and clinical practice. In this article, we address the TS procedure as well as methodological challenges that should be considered in the development of an optimal sampling strategy.
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Affiliation(s)
- Anne J Keurentjes
- Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Ivone Jakasa
- Laboratory for Analytical Chemistry, Department of Chemistry and Biochemistry, Faculty of Food Technology and Biotechnology, University of Zagreb, Zagreb, Croatia
| | - Sanja Kezic
- Department of Public and Occupational Health, Amsterdam Public Health Research Institute, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands.
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26
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Subedi L, Song SY, Jha SK, Lee SH, Pangeni R, Koo KT, Kim BJ, Cho SS, Park JW. Preparation of Topical Itraconazole with Enhanced Skin/Nail Permeability and In Vivo Antifungal Efficacy against Superficial Mycosis. Pharmaceutics 2021; 13:pharmaceutics13050622. [PMID: 33925457 PMCID: PMC8145258 DOI: 10.3390/pharmaceutics13050622] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 04/23/2021] [Accepted: 04/26/2021] [Indexed: 11/16/2022] Open
Abstract
In this study, a stable and highly skin-permeable topical delivery system for itraconazole (ITZ) was designed to provide effective treatment against superficial mycosis. Herein, ITZ was incorporated into a solution composed of ethanol, benzyl alcohol, hydrochloric acid, Transcutol P, and cyclomethicone as a delivery vehicle, solubilizer, protonating agent, permeation enhancer, and spreading agent, respectively. At 72 h, the optimal topical ITZ formulation (ITZ–TF#11) exhibited 135% enhanced skin permeability, which led to increases in drug deposition in the stratum corneum, epidermis, and dermis of 479%, 739%, and 2024%, respectively, compared with the deposition of 1% ITZ in ethanol (control). Moreover, on day 7, ITZ–TF#11 demonstrated 2.09- and 2.30-fold enhanced nail flux and drug deposition, compared with the control. At a dose of 40 mg/kg/day, ITZ–TF#11 showed 323% greater lesion recovery, a 165% lower mean erythema severity score, and a 37% lower mean logarithm of viable fungal cells in skin in the treated area, compared with mice that received oral ITZ at the same dose. Overall, the findings imply that ITZ–TF#11 is a superior alternative to oral ITZ for treatment of superficial mycosis.
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Affiliation(s)
- Laxman Subedi
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam 58554, Korea; (L.S.); (S.-Y.S.); (S.K.J.); (S.-H.L.)
| | - Seung-Yub Song
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam 58554, Korea; (L.S.); (S.-Y.S.); (S.K.J.); (S.-H.L.)
| | - Saurav Kumar Jha
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam 58554, Korea; (L.S.); (S.-Y.S.); (S.K.J.); (S.-H.L.)
| | - Sung-Ho Lee
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam 58554, Korea; (L.S.); (S.-Y.S.); (S.K.J.); (S.-H.L.)
| | - Rudra Pangeni
- Department of Pharmacy, College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam 58554, Korea;
| | | | - Beum Joon Kim
- Department of Dermatology, Chung-Ang University College of Medicine, Seoul 06973, Korea;
| | - Seung-Sik Cho
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam 58554, Korea; (L.S.); (S.-Y.S.); (S.K.J.); (S.-H.L.)
- Department of Pharmacy, College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam 58554, Korea;
- Correspondence: (S.-S.C.); (J.W.P.); Tel.: +82-61-450-2687 (S.-S.C.); +82-61-450-2704 (J.W.P.)
| | - Jin Woo Park
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 Four, Biomedical and Healthcare Research Institute, Mokpo National University, Jeonnam 58554, Korea; (L.S.); (S.-Y.S.); (S.K.J.); (S.-H.L.)
- Department of Pharmacy, College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam 58554, Korea;
- Correspondence: (S.-S.C.); (J.W.P.); Tel.: +82-61-450-2687 (S.-S.C.); +82-61-450-2704 (J.W.P.)
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27
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Jenei A, Kalló G, Dajnoki Z, Gáspár K, Szegedi A, Kapitány A, Csősz É. Detection of Antimicrobial Peptides in Stratum Corneum by Mass Spectrometry. Int J Mol Sci 2021; 22:ijms22084233. [PMID: 33921817 PMCID: PMC8073585 DOI: 10.3390/ijms22084233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 04/13/2021] [Accepted: 04/15/2021] [Indexed: 12/02/2022] Open
Abstract
Antimicrobial and immunomodulatory peptides (AMPs) are considered as the key players in the maintenance of skin barrier functions. Here, we developed a novel approach for the examination of AMPs in the outermost layer of the epidermis, namely stratum corneum (SC). The SC sample collection by tape stripping was coupled with detection by highly specific and sensitive parallel reaction monitoring (PRM)-based mass spectrometry. We found that hexane-free processing of SC samples produced higher protein yield compared to hexane-based extraction. Of the 18 investigated peptides, 9 could be detected either in healthy or in inflamed skin specimens. Regarding the amount of S100A8, LCN2, LACRT and LYZ significant topographical differences were described among gland poor (GP), sebaceous gland rich (SGR) and apocrine gland rich (AGR) healthy skin regions. We applied a minimally invasive, reproducible approach for sampling, which can be assessed for research and diagnostic purposes and for monitoring the effectiveness of therapies in skin diseases.
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Affiliation(s)
- Adrienn Jenei
- Division of Dermatological Allergology, Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.J.); (Z.D.); (K.G.); (A.S.); (A.K.)
- Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
- Department of Neurosurgery, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
- Gyula Petrányi Doctoral School of Allergy and Clinical Immunology, University of Debrecen, H-4032 Debrecen, Hungary
| | - Gergő Kalló
- Proteomics Core Facility, Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary;
| | - Zsolt Dajnoki
- Division of Dermatological Allergology, Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.J.); (Z.D.); (K.G.); (A.S.); (A.K.)
- Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Krisztián Gáspár
- Division of Dermatological Allergology, Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.J.); (Z.D.); (K.G.); (A.S.); (A.K.)
- Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Andrea Szegedi
- Division of Dermatological Allergology, Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.J.); (Z.D.); (K.G.); (A.S.); (A.K.)
- Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Anikó Kapitány
- Division of Dermatological Allergology, Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.J.); (Z.D.); (K.G.); (A.S.); (A.K.)
- Department of Dermatology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Éva Csősz
- Proteomics Core Facility, Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary;
- Correspondence: ; Tel.: +36-52-411-717 (ext. 55734)
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28
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Chaturvedi S, Garg A. An insight of techniques for the assessment of permeation flux across the skin for optimization of topical and transdermal drug delivery systems. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2021.102355] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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29
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Kim J, Yeo H, Kim T, Jeong ET, Lim JM, Park SG. Relationship between lip skin biophysical and biochemical characteristics with corneocyte unevenness ratio as a new parameter to assess the severity of lip scaling. Int J Cosmet Sci 2021; 43:275-282. [PMID: 33544395 PMCID: PMC8251770 DOI: 10.1111/ics.12692] [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: 11/17/2020] [Revised: 01/11/2021] [Accepted: 01/19/2021] [Indexed: 11/27/2022]
Abstract
Objective Lip skin dryness and chapping are major concerns related to lip skin care in many populations. The distinctive features of lip skin, such as the low water‐holding capacity and weak skin barrier, are strongly associated with these problems; however, few studies have examined lip skin characteristics and the mechanisms underlying these issues. This study was conducted to identify the biophysical properties of dry lip skin and molecular targets affecting lip skin physiology. Methods Skin hydration, transepidermal water loss and lip skin scaling were evaluated in 40 female subjects. Skin scaling was assessed as a percentage area divided into five categories (G0, G1, G2, G3 and G4) according to the thickness level of tape‐stripped corneocytes. The activities and amounts of proteases, cathepsin D and bleomycin hydrolase were measured as markers for the desquamation process and skin hydration, respectively. Results Skin hydration showed a significantly positive correlation with the percentage area of evenly thin corneocytes (G0) and negative correlations with the percentage areas of slightly thick to severely thick corneocytes (G1‐G4). The corneocyte unevenness ratio (CUR) was calculated by dividing the sum of the G1, G2, G3 and G4 values with the G0 value. The CUR was significantly negatively correlated with skin hydration, suggesting that CUR is a new parameter representing the severity of lip scaling. Subjects with lower hydration and higher CUR had higher bleomycin hydrolase activity and lower cathepsin D activity, respectively, than subjects with higher hydration and lower CUR. Conclusion Our study revealed a correlation between lip skin hydration and severity of lip scaling and verified the association of protease activity with the hydration and chapping state of lip skin. These observations provide a basis for further studies of the persistent problem of lip skin dryness and chapping.
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Affiliation(s)
- Jongwook Kim
- LG Household & Health Care (LG H&H), Seoul, Korea
| | - Hyerin Yeo
- LG Household & Health Care (LG H&H), Seoul, Korea
| | - Taeyoon Kim
- LG Household & Health Care (LG H&H), Seoul, Korea
| | | | - Jun M Lim
- LG Household & Health Care (LG H&H), Seoul, Korea
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30
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Messner F, Etra JW, Shores JT, Thoburn CJ, Hackl H, Iglesias Lozano M, Fidder SAJ, Guo Y, Kambarashvili K, Alagol K, Kalsi R, Beck SE, Cooney C, Furtmüller GJ, Krapf J, Oh BC, Brandacher G. Noninvasive evaluation of intragraft immune responses in upper extremity transplantation. Transpl Int 2021; 34:894-905. [PMID: 33626223 DOI: 10.1111/tri.13854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/01/2021] [Accepted: 02/17/2021] [Indexed: 01/24/2023]
Abstract
In vascularized composite allotransplantation (VCA), invasive tissue biopsies remain the gold standard in diagnosing rejection carrying significant morbidity. We aimed to show feasibility of tape-stripping for noninvasive immune monitoring in VCA. Tape-stripping was performed on allografts and native skin of upper extremity transplant recipients. Healthy nontransplanted individuals served as controls. The technique was also used in swine on naïve skin in nontransplanted animals, native skin of treated, transplanted swine, nonrejecting VCAs, and rejecting VCAs. Extracted protein was analyzed for differences in cytokine expression using Luminex technology. Significantly decreased levels of INFγ and IL-1Ra were seen between human allograft samples and native skin. In swine, rejecting grafts had increased IL-1Ra compared to naïve and native skin, decreased levels of GM-CSF compared to native skin, and decreased IL-10 compared to nonrejecting grafts. Unsupervised hierarchical clustering revealed rejecting grafts separated from the nonrejecting (P = 0.021). Variable importance in projection scores identified GM-CSF, IL-1Ra, and IL-2 as the most important profiles for group discrimination. Differences in cytokine expression are detectable in human VCA patient native skin and VCA graft skin using a noninvasive tape-stripping method. Swine studies suggest that differences in cytokines between rejecting and nonrejecting grafts are discernable.
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Affiliation(s)
- Franka Messner
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Visceral, Transplant and Thoracic Surgery, Medical University Innsbruck, Innsbruck, Austria
| | - Joanna W Etra
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jaimie T Shores
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Christopher J Thoburn
- Department of Oncology, The Johns Hopkins Sidney Kimmel Comprehensive Cancer Center, Baltimore, MD, USA
| | - Hubert Hackl
- Institute of Bioinformatics, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Marcos Iglesias Lozano
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Samuel A J Fidder
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Yinan Guo
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Ketevan Kambarashvili
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Kemal Alagol
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Richa Kalsi
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sarah E Beck
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Carisa Cooney
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Georg J Furtmüller
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Johanna Krapf
- Department of Plastic and Reconstructive Surgery, Medical University Innsbruck, Innsbruck, Austria
| | - Byoung Chol Oh
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Gerald Brandacher
- Department of Plastic and Reconstructive Surgery, Vascularized Composite Allotransplantation (VCA) Laboratory, Johns Hopkins University School of Medicine, Baltimore, MD, USA
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31
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Hughes AJ, Tawfik SS, Baruah KP, O'Toole EA, O'Shaughnessy RFL. Tape strips in dermatology research. Br J Dermatol 2021; 185:26-35. [PMID: 33370449 DOI: 10.1111/bjd.19760] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/24/2020] [Indexed: 12/11/2022]
Abstract
Tape strips have been used widely in dermatology research as a minimally invasive method to sample the epidermis, avoiding the need for skin biopsies. Most research has focused on epidermal pathology, such as atopic eczema, but there is increasing research into the use of tape strips in other dermatoses, such as skin cancer, and the microbiome. This review summarizes the technique of tape stripping, and discusses which dermatoses have been studied by tape stripping and alternative minimally invasive sampling methods. We review the number of tape strips needed from each patient and the components of the epidermis that can be obtained by tape stripping. With a focus on protein and RNA extraction, we address the techniques used to process tape strips. There is no optimal protocol to extract protein, as this depends on the abundance of the protein studied, its level of expression in the epidermis and its solubility. Many variables can alter the amount of protein obtained from tape strips, which must be standardized to ensure consistency between samples. No study has compared different RNA extraction techniques, but our own experience is that RNA yield is optimized by using 20 tape strips and the use of a cell scraper.
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Affiliation(s)
- A J Hughes
- Centre for Cell Biology and Cutaneous Research, The Blizard Institute, Queen Mary University of London, London, UK
| | - S S Tawfik
- Centre for Cell Biology and Cutaneous Research, The Blizard Institute, Queen Mary University of London, London, UK.,Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - K P Baruah
- Centre for Cell Biology and Cutaneous Research, The Blizard Institute, Queen Mary University of London, London, UK
| | - E A O'Toole
- Centre for Cell Biology and Cutaneous Research, The Blizard Institute, Queen Mary University of London, London, UK
| | - R F L O'Shaughnessy
- Centre for Cell Biology and Cutaneous Research, The Blizard Institute, Queen Mary University of London, London, UK
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32
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Clausen ML, Kezic S, Olesen CM, Agner T. Cytokine concentration across the stratum corneum in atopic dermatitis and healthy controls. Sci Rep 2020; 10:21895. [PMID: 33318592 PMCID: PMC7736354 DOI: 10.1038/s41598-020-78943-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 11/24/2020] [Indexed: 12/20/2022] Open
Abstract
Tape stripping is a promising technique for assessment of epidermal biomarkers in inflammatory skin diseases. However, to facilitate its implementation in the clinical practice, a thorough validation regarding sampling strategy is needed. Knowledge of biomarkers variation in concentration across stratum corneum is scarce. Therefore, this study aimed to assess the variability of cytokines across stratum corneum using tape stripping technique by consecutive application of 21 adhesive tapes (D-squame) to lesional and non-lesional skin from 15 patients with atopic dermatitis (AD) and 16 healthy controls. Concentration of cytokines (IL-1α, IL-1b, IL-5, IL-18, IFN-γ, CCL17, CCL22, CCL27, CXCL8, CXCL10, TNF-α, TSLP, VEGFA) was determined in five different depths, using multiplex immunoassay. Comparing tape 4 with tape 21, no cytokine changed significantly in concentration in AD lesional skin. In AD non-lesional skin a small decrease was found for CCL17, CXCL8 and CXCL10. For healthy controls, a decrease was found for IL-1a, IL-1b, VEGFA and an increase for IL-18. Differences were found between AD skin and healthy control skin. Concentration of cytokines was stable across stratum corneum, indicating that sampling of only one tape from the stratum corneum is reliable in reflecting the overall cytokine milieu. Differences between AD and healthy skin confirm robustness of tape stripping for measuring cytokine levels.
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Affiliation(s)
- Maja-Lisa Clausen
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, 2400, Copenhagen, NV, Denmark. .,Department of Dermatology and Venerology, Bispebjerg Hospital, Copenhagen University, Nielsine Nielsens vej opgang 9, 2. sal, 2400, Copenhagen, Denmark.
| | - S Kezic
- Academic Medical Center, Amsterdam, The Netherlands
| | - C M Olesen
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, 2400, Copenhagen, NV, Denmark
| | - T Agner
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, 2400, Copenhagen, NV, Denmark
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33
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Sølberg J, Jacobsen SB, Andersen JD, Litman T, Ulrich NH, Ahlström MG, Kampmann ML, Morling N, Thyssen JP, Johansen JD. The stratum corneum transcriptome in atopic dermatitis can be assessed by tape stripping. J Dermatol Sci 2020; 101:14-21. [PMID: 33218696 DOI: 10.1016/j.jdermsci.2020.10.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/02/2020] [Accepted: 10/20/2020] [Indexed: 11/17/2022]
Abstract
BACKGROUND Skin biopsies represent a gold standard in skin immunology and pathology but can cause pain and induce scarring. Non-invasive techniques will facilitate study recruitment of e.g. patients with paediatric atopic dermatitis (AD), hand eczema or facial dermatitis. OBJECTIVE By RNA sequencing, we examined whether the stratum corneum transcriptome in AD skin can be assessed by tape stripping, as compared to the epidermal transcriptome of AD in skin biopsies. To make the procedure clinically relevant tape strips were stored and shipped at room temperature for up to 3 days. METHODS Nine adult Caucasian AD patients and three healthy volunteers were included. Tape samples were collected from non-lesional and lesional skin. Biopsies were collected from lesional skin and were split into epidermis and dermis. Total RNA was extracted, and shotgun sequencing was performed. RESULTS Shotgun sequencing could be performed on skin cells obtained from two consecutive tape strips which had been stored and shipped at room temperature for up to three days. The most prominent differences between the tape strip and biopsy derived transcriptome were due to structural genes, while established molecular markers of AD, including CCL17, CCL22, IL17A and S100A7-S100A9, were also identified in tape strip samples. Furthermore, the tape strip derived transcriptome showed promise in also analysing the skin microbiome. CONCLUSION Our study shows that the stratum corneum (SC) transcriptome of AD can be assessed by tape stripping the skin, supporting that this method may be central in future skin biomarker research. NCBI GEO data accession: GSE160501.
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Affiliation(s)
- Julie Sølberg
- Department of Dermatology and Allergy, The National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark.
| | - Stine B Jacobsen
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Jeppe D Andersen
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Thomas Litman
- Dept. of Immunology and Microbiology, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Nina H Ulrich
- Department of Dermatology and Allergy, The National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Malin G Ahlström
- Department of Dermatology and Allergy, The National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Marie-Louise Kampmann
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Niels Morling
- Section of Forensic Genetics, Department of Forensic Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Denmark
| | - Jacob P Thyssen
- Department of Dermatology and Allergy, The National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
| | - Jeanne D Johansen
- Department of Dermatology and Allergy, The National Allergy Research Centre, Copenhagen University Hospital Herlev-Gentofte, Hellerup, Denmark
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Del Río-Sancho S, Pan Delgado D, de la Fuente GF, García-Caballero T, Taboada-Suárez A, Csaba N, Bao-Varela C, José Alonso M. Laser-induced transient skin disruption to enhance cutaneous drug delivery. Eur J Pharm Biopharm 2020; 156:165-175. [PMID: 32891732 DOI: 10.1016/j.ejpb.2020.08.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 08/12/2020] [Accepted: 08/27/2020] [Indexed: 11/26/2022]
Abstract
The use of pressure waves (PW) to disrupt the stratum corneum (SC) temporarily is an effective strategy to increase the deposition of drug molecules into the skin. However, given the rather modest outcomes when compared with ablation-assisted drug delivery, its potential has been underestimated. Accordingly, the aim of this study was to examine the impact of Resonant Amplitude Waves (RAWs) on increasing cutaneous delivery. RAW phenomena are triggered by focusing a high-peak-power pulsed laser onto an appropriate transducer structure, under space- and time-controlled resolution. In order to determine the optimal conditions for the generation and use of RAWs, a screening of laser parameters setting and an analysis of different geometries of the impact pattern over diverse materials used as transducers was performed, analyzing the footprint of the RAW waves in an agarose gel. The results obtained were then checked and fine-tuned using human skin samples instead of agarose. Furthermore, ex vivo experiments were carried out to characterize the effect of the RAWs in the cutaneous delivery of diclofenac (DIC) and lidocaine (LID) administered in the form of gels. The application of RAWs resulted in an increased delivery of DIC and LID to the skin, whose intensity was dependent on the composition of the formulation. In fact, the maximum observed for DIC and LID in short-time experiments (39.1 ± 11.1 and 153 ± 16 µg/cm2, respectively) was comparable to those observed using ablation-assisted drug delivery under the same conditions. In conclusion, the combination of RAWs with specific formulation strategies is a feasible alternative for the cutaneous delivery of drug candidates when short onset of action is required.
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Affiliation(s)
- Sergio Del Río-Sancho
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Av. Barcelona s/n, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Diego Pan Delgado
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Av. Barcelona s/n, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Germán F de la Fuente
- Instituto de Nanociencia y Materiales de Aragón, CSIC - Universidad de Zaragoza, María de Luna 3, Zaragoza, Spain
| | - Tomás García-Caballero
- Department of Morphological Sciences, School of Medicine, University Clinical Hospital, IDIS, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Antonio Taboada-Suárez
- Department of Plastic Surgery, University Hospital Complex of Santiago de Compostela, A Coruña, Spain
| | - Noemi Csaba
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Av. Barcelona s/n, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Carmen Bao-Varela
- UA Microóptica & Óptica GRIN (USC-CSIC), Photonics4 life group, Facultade de Física e Facultade de Óptica e Optometría, Universidade Santiago Compostela, Santiago de Compostela, Spain
| | - María José Alonso
- Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Av. Barcelona s/n, Campus Vida, Universidade de Santiago de Compostela, Santiago de Compostela, Spain; Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy, Universidade de Santiago de Compostela, Santiago de Compostela, Spain; Health Research Institute of Santiago de Compostela (IDIS), Santiago de Compostela, Spain.
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Uchino T, Fujino H, Kamiya D, Suzuki T, Miyazaki Y, Asada K, Shirai T, Yagi H, Sano Y, Moriki M, Mizuno H, Todoroki K, Kimura M, Kagawa Y. Association of dry skin with intercellular lipid composition of stratum corneum after erlotinib administration. Cancer Chemother Pharmacol 2020; 86:233-243. [PMID: 32666159 DOI: 10.1007/s00280-020-04095-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 06/03/2020] [Indexed: 12/30/2022]
Abstract
PURPOSE Erlotinib, an inhibitor of the epidermal growth factor receptor tyrosine kinase, causes skin disorders such as dry skin, which impairs the skin barrier function. Stratum corneum (SC) lipids play an important role in skin barrier function; therefore, this study aimed to investigate the relationship between erlotinib-related dry skin and changes in the intercellular lipid composition and structure of the SC. METHODS Overall, 21 patients with non-small lung cancer were enrolled in this study. All patients received 150 mg/day erlotinib orally. A SC sample of each patient was collected from the inner forearm using the tape stripping method on days 0, 7, 14, 28, and 56 after erlotinib administration. The intercellular lipid components of ceramide (CER), free fatty acid (FFA), and cholesterol sulfate (CS) in samples extracted from the tape were analyzed using liquid chromatography/time-of-flight/mass spectrometry. SC samples from six healthy subjects were collected as controls on days 0, 28 and 56 and analyzed similarly. RESULTS Although total CER and FFA levels were not changed after erlotinib administration, the levels of CER subclasses [AP] and [AH] and hydroxy FFA, which are structural components of CER subclass [A], decreased. In contrast, the CS levels increased after erlotinib administration. Moreover, higher CS levels in the SC correlated with the clinical condition of dry skin. No changes were observed in the SC lipid composition in healthy subjects. CONCLUSION Erlotinib-related dry skin was associated with a higher CS level in the SC.
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Affiliation(s)
- Tomonobu Uchino
- Laboratory of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan.
- Laboratory of Clinical Pharmacokinetics, the Medical Frontier Center, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan.
| | - Hiyori Fujino
- Laboratory of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan
| | - Daichi Kamiya
- Laboratory of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan
| | - Tomonori Suzuki
- Laboratory of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan
| | - Yasunori Miyazaki
- Laboratory of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan
- Laboratory of Clinical Pharmacokinetics, the Medical Frontier Center, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan
| | - Kazuhiro Asada
- Department of Respiratory Medicine, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan
| | - Toshihiro Shirai
- Department of Respiratory Medicine, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan
| | - Hiroaki Yagi
- Department of Dermatology, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan
| | - Yuko Sano
- Department of Dermatology, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan
| | - Mutsumi Moriki
- Department of Dermatology, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan
| | - Hajime Mizuno
- Laboratory of Analytical and Bio-Analytical Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan
| | - Kenichiro Todoroki
- Laboratory of Analytical and Bio-Analytical Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan
| | - Midori Kimura
- Department of Pharmacy, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan
| | - Yoshiyuki Kagawa
- Laboratory of Clinical Pharmaceutics, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka, Japan
- Laboratory of Clinical Pharmacokinetics, the Medical Frontier Center, Shizuoka General Hospital, 4-27-1 Kita Ando Aoi-ku, Shizuoka, Japan
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Toncic RJ, Kezic S, Hadzavdic SL, Marinovic B, Jakasa I. Stratum Corneum Biomarkers in Atopic Dermatitis: Biological and Spatial Variability. ACTA ACUST UNITED AC 2020. [DOI: 10.2174/1875318302010010047] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Background:
Atopic dermatitis is a highly heterogeneous skin disease, mainly affecting children. Introduction of biological therapies has urged the development of biomarkers to facilitate personalized therapy. Stratum corneum biomarkers emerged as a promising non-invasive alternative to skin biopsy, yet validation of spatial and biological variability is essential for their application in clinical research.
Objective:
To assess spatial and biological variability of stratum corneum biomarkers for atopic dermatitis.
Methods:
Stratum corneum was collected from 17 atopic dermatitis patients by consecutive application of eight adhesive tapes to a lesional skin site and 2 cm and 4 cm from the lesion. Two non-lesional sites at a 2 cm distance from the same lesion were collected to determine biological variability. Filaggrin degradation products (NMF) were determined by liquid chromatography and thirteen cytokines (IL-4, IL-13, IL-18, IL-31, IL-33, CCL17, CCL22, CCL27, CXCL8, IL-1α, IL-RA, IL-18, IL-22) by multiplex immunoassay.
Results:
Biomarker levels showed gradual changes from lesional to non-lesional skin sites at 2 cm and 4 cm; magnitude and direction of change were biomarker-specific. Intra-subject variability ranged from 17.3% (NMF) to 85.1% (CXCL8). Biomarker levels from two stratum corneum depths were highly correlated; several biomarkers showed significant depth dependence.
Conclusion:
Stratum corneum enables non-invasive collection of relevant immune and epidermal biomarkers, but biomarker-specific spatial and biological variability emphasizes the importance of standardized procedures for stratum corneum collection.
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van Staden D, du Plessis J, Viljoen J. Development of a Self-Emulsifying Drug Delivery System for Optimized Topical Delivery of Clofazimine. Pharmaceutics 2020; 12:E523. [PMID: 32521671 PMCID: PMC7356627 DOI: 10.3390/pharmaceutics12060523] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/27/2020] [Accepted: 06/02/2020] [Indexed: 11/24/2022] Open
Abstract
A quality-by-design and characterization approach was followed to ensure development of self-emulsifying drug delivery systems (SEDDSs) destined for topical delivery of the highly lipophilic clofazimine. Solubility and water-titration experiments identified spontaneous emulsification capacity of different excipient combinations and clofazimine. After identifying self-emulsification regions, check-point formulations were selected within the self-emulsification region by considering characteristics required to achieve optimized topical drug delivery. Check-point formulations, able to withstand phase separation after 24 h at an ambient temperature, were subjected to characterization studies. Experiments involved droplet size evaluation; size distribution; zeta-potential; self-emulsification time and efficacy; viscosity and pH measurement; cloud point assessment; and thermodynamic stability studies. SEDDSs with favorable properties, i.e., topical drug delivery, were subjected to dermal diffusion studies. Successful in vitro topical clofazimine delivery was observed. Olive oil facilitated the highest topical delivery of clofazimine probably due to increased oleic acid levels that enhanced stratum corneum lipid disruption, followed by improved dermal clofazimine delivery. Finally, isothermal microcalometric experiments studied the compatibility of excipients. Potential interactions were depicted between argan oil and clofazimine as well as between Span®60 and argan-, macadamia- and olive oil, respectively. However, despite some mundane incompatibilities, successful development of topical SEDDSs achieved enhanced topical clofazimine delivery.
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Affiliation(s)
| | | | - Joe Viljoen
- Faculty of Health Sciences, Centre of Excellence for Pharmaceutical Sciences (PharmacenTM), Building G16, North-West University, 11 Hoffman Street, Potchefstroom, North-West Province 2520, South Africa; (D.v.S.); (J.d.P.)
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Simultaneous skin biome and keratinocyte genomic capture reveals microbiome differences by depth of sampling. J Allergy Clin Immunol 2020; 146:1442-1445. [PMID: 32320735 DOI: 10.1016/j.jaci.2020.04.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/20/2020] [Accepted: 04/06/2020] [Indexed: 12/29/2022]
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Events in Normal Skin Promote Early-Life Atopic Dermatitis-The MPAACH Cohort. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2020; 8:2285-2293.e6. [PMID: 32302785 DOI: 10.1016/j.jaip.2020.03.048] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 03/30/2020] [Accepted: 03/31/2020] [Indexed: 02/03/2023]
Abstract
BACKGROUND Nonlesional skin in atopic dermatitis (AD) is abnormal, but the pathobiology of lesional and nonlesional skin and the definition of endotypes are poorly understood. OBJECTIVE To define lesional and nonlesional endotypes of AD by building the first US-based early-life prospective cohort of children with AD, the Mechanisms of Progression from AD to Asthma in Children cohort. METHODS We assessed lesional and nonlesional skin transepidermal water loss, filaggrin (FLG) and alarmin (S100A8, S100A9) expression, staphylococcal colonization, and patterns of aeroallergen and food sensitization to define nonlesional and lesional phenotypes and endotypes. RESULTS Pathophysiologic changes were present in lesional and nonlesional skin and were associated with SCORing for Atopic Dermatitis. Nonlesional skin had features characteristic of diseased skin including low FLG and high alarmin expression, and increased colonization with Staphylococcus aureus. In a multivariate model, nonlesional, but not lesional, FLG expression was associated with the development of cosensitization and moderate to severe AD. Lesional skin was characterized by further deficits in FLG expression (P < .001), but alarmin expression was the same as observed in nonlesional skin. CONCLUSIONS This study reveals that events in the nonlesional, not the lesional, skin promote the subsequent development of AD severity and cosensitization, which is a key risk factor for allergic comorbidities. Collectively, these data suggest the presence of a subclinical eczema endotype that may predispose to the development of allergic disease in the absence of overt eczema. This may represent a new definition of the atopic march that starts with skin barrier dysfunction rather than eczema.
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Izquierdo MC, Lillo CR, Bucci P, Gómez GE, Martínez L, Alonso SDV, Calienni MN, Montanari J. Comparative skin penetration profiles of formulations including ultradeformable liposomes as potential nanocosmeceutical carriers. J Cosmet Dermatol 2020; 19:3127-3137. [PMID: 32281258 DOI: 10.1111/jocd.13410] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 03/13/2020] [Accepted: 03/17/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Ultradeformable liposomes are promising carriers for cosmeceutical actives as they can be loaded with molecules of different polarities, and they present unique penetration properties. AIMS While those features have already been tested, we wanted to know whether their special penetration properties could be maintained after incorporation in diverse cosmetic vehicles, including commercial products already in the market. METHODS Ultradeformable liposomes loaded with a lipophilic and a hydrophilic fluorescent probe were prepared by lipid film resuspension, followed by extrusion and incorporation to different vehicles and commercial products. Penetration was determined in human and pig skin by incubation, with the Saarbrücken penetration model, followed by the recovery of the probes or by fluorescence microscopy. RESULTS The incorporation of ultradeformable liposomes to cosmetic vehicles did not alter their penetration in most of the cases for human skin explants. Pig skin penetration presented significant differences compared with human explants. CONCLUSIONS Ultradeformable liposomes could be useful as versatile cosmeceutical carriers in final product formulations.
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Affiliation(s)
- María Cecilia Izquierdo
- Departamento de Ciencia y Tecnología, Laboratorio de Bio-Nanotecnologia, Universidad Nacional de Quilmes, Bernal, Argentina.,Grupo de Biología Estructural y Biotecnología (GBEyB), IMBICE (CONICET CCT-La Plata), Buenos Aires, Argentina
| | - Cristian R Lillo
- Instituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA), Facultad de Ciencias Exactas, UNLP-CONICET, La Plata, Argentina
| | - Paula Bucci
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA), CONICET-CCT La Plata, La Plata, Argentina
| | - Gisela Eliane Gómez
- Departamento de Ciencia y Tecnología, Laboratorio de Bio-Nanotecnologia, Universidad Nacional de Quilmes, Bernal, Argentina.,Grupo de Biología Estructural y Biotecnología (GBEyB), IMBICE (CONICET CCT-La Plata), Buenos Aires, Argentina
| | - Luis Martínez
- Departamento de Ciencia y Tecnología, Laboratorio de Bio-Nanotecnologia, Universidad Nacional de Quilmes, Bernal, Argentina
| | - Silvia Del Valle Alonso
- Departamento de Ciencia y Tecnología, Laboratorio de Bio-Nanotecnologia, Universidad Nacional de Quilmes, Bernal, Argentina.,Grupo de Biología Estructural y Biotecnología (GBEyB), IMBICE (CONICET CCT-La Plata), Buenos Aires, Argentina
| | - María Natalia Calienni
- Departamento de Ciencia y Tecnología, Laboratorio de Bio-Nanotecnologia, Universidad Nacional de Quilmes, Bernal, Argentina.,Grupo de Biología Estructural y Biotecnología (GBEyB), IMBICE (CONICET CCT-La Plata), Buenos Aires, Argentina
| | - Jorge Montanari
- Departamento de Ciencia y Tecnología, Laboratorio de Bio-Nanotecnologia, Universidad Nacional de Quilmes, Bernal, Argentina.,Grupo de Biología Estructural y Biotecnología (GBEyB), IMBICE (CONICET CCT-La Plata), Buenos Aires, Argentina
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Evaluation and improvement of protein extraction methods for analysis of skin proteome by noninvasive tape stripping. J Proteomics 2020; 217:103678. [DOI: 10.1016/j.jprot.2020.103678] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/10/2020] [Accepted: 02/02/2020] [Indexed: 12/27/2022]
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Analysis of chlorhexidine gluconate in skin using tape stripping and ultrahigh-performance liquid chromatography-tandem mass spectrometry. J Pharm Biomed Anal 2020; 183:113111. [PMID: 32062012 DOI: 10.1016/j.jpba.2020.113111] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 01/09/2020] [Accepted: 01/14/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Topical chlorhexidine gluconate (CHG) is used widely to reduce healthcare-associated infection. The optimal therapeutic dose for maximum efficacy and reduced toxicity is unclear, in part because of the lack of analytical methods to monitor CHG levels in skin. A novel method was developed to accurately measure CHG levels in skin after topical application with the goal of determining its pharmacokinetics in skin. METHODS Ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) was used to develop a validated assay for measuring CHG levels in skin cells collected by a non-invasive adhesive tape-stripping method. CHG levels in the skin stratum corneum of healthy adult volunteers were measured at 0.5, 4, 8, and 24 h after its application. RESULTS Conditions for extraction of CHG were optimized and the assay was linear in the range 0.1-50 μg/mL (corresponding to 0.2-100 μg chlorhexidine/tape), with an intra-assay precision of 1.74-10.50 % and a relative error of ≤10 %. The inter-assay accuracy was in the range of 5.86-10.96 % with a relative error <9 %. CHG was stable on tapes stored at 4 °C and ambient temperature for 14 and 3 days, respectively. The recovery of CHG from the tape was quantitative and the matrix effect was determined as 2.1-14.8 %. CHG levels in healthy adult volunteer skin following topical application decreased rapidly over a 24 h period. CONCLUSIONS A rapid, accurate and specific UHPLC-MS/MS method was developed for the measurement of CHG in the skin obtained by tape stripping that was linear over a large dynamic range. This assay afforded a simple and convenient non-invasive approach to monitor CHG levels in skin after topical application that can be applied to enable the optimal dose to prevent infection and minimize toxicity.
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Darvishi S, Pick H, Lin TE, Zhu Y, Li X, Ho PC, Girault HH, Lesch A. Tape-Stripping Electrochemical Detection of Melanoma. Anal Chem 2019; 91:12900-12908. [DOI: 10.1021/acs.analchem.9b02819] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Sorour Darvishi
- Laboratory of Physical and Analytical Electrochemistry, École Polytechnique Fédérale de Lausanne (EPFL), Valais Wallis, Rue de l’Industrie 17, CH-1950 Sion, Switzerland
| | - Horst Pick
- Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, EPFL, CH-1015 Lausanne, Switzerland
| | - Tzu-En Lin
- Institute of Biomedical Engineering, College of Electrical and Computer Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - Yingdi Zhu
- Laboratory of Physical and Analytical Electrochemistry, École Polytechnique Fédérale de Lausanne (EPFL), Valais Wallis, Rue de l’Industrie 17, CH-1950 Sion, Switzerland
| | - Xiaoyun Li
- Department of Oncology, University of Lausanne, Ch. des Boveresses 155, CH-1015 Epalinges, Switzerland
- Ludwig Institute for Cancer Research, University of Lausanne, Ch. des Boveresses 155, CH-1015 Epalinges, Switzerland
| | - Ping-Chih Ho
- Department of Oncology, University of Lausanne, Ch. des Boveresses 155, CH-1015 Epalinges, Switzerland
- Ludwig Institute for Cancer Research, University of Lausanne, Ch. des Boveresses 155, CH-1015 Epalinges, Switzerland
| | - Hubert H. Girault
- Laboratory of Physical and Analytical Electrochemistry, École Polytechnique Fédérale de Lausanne (EPFL), Valais Wallis, Rue de l’Industrie 17, CH-1950 Sion, Switzerland
| | - Andreas Lesch
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, Viale del Risorgimento 4, IT-40136 Bologna, Italy
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Olesen CM, Fuchs CSK, Philipsen PA, Hædersdal M, Agner T, Clausen ML. Advancement through epidermis using tape stripping technique and Reflectance Confocal Microscopy. Sci Rep 2019; 9:12217. [PMID: 31434955 PMCID: PMC6704162 DOI: 10.1038/s41598-019-48698-w] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2018] [Accepted: 07/12/2019] [Indexed: 01/15/2023] Open
Abstract
The tape stripping technique is increasingly used in research regarding skin barrier function. However, number of tape strips varies between studies, and literature considering advancement into stratum corneum/epidermis in relation to number of tape strips is scarce. The aim of this pilot study was to assess the advancement through epidermis using tape stripping technique in healthy volunteers. A total of ten healthy volunteers were included. From all volunteers 0, 5, 15 and 35 consecutive tape strips (D-squame) were taken from four adjacent skin areas on the middle volar forearm, followed by Reflectance Confocal Microscopy (RCM) of the four areas to assess epidermal thickness. Squame Scan was used to determine amount of protein removed. Stratum corneum was completely removed in all volunteers after 35 tape strips. Advancement into epidermis was predominantly achieved by the first 15 tape strips, removing 25% of the total epidermis, whereas 35 tape strips removed 33% of epidermis. Protein removal per tape decreased with increasing depth. Information on advancement into the epidermis according to number of tape strips taken, is a significant step forward. The possibility to obtain samples from different layers of epidermis may lead to an improved understanding of skin barrier properties.
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Affiliation(s)
- Caroline Meyer Olesen
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Bispebjerg Bakke 23, 2400, Copenhagen, NV, Denmark.
| | - Christine Sofie Krohn Fuchs
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Bispebjerg Bakke 23, 2400, Copenhagen, NV, Denmark
| | - Peter Alshede Philipsen
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Bispebjerg Bakke 23, 2400, Copenhagen, NV, Denmark
| | - Merete Hædersdal
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Bispebjerg Bakke 23, 2400, Copenhagen, NV, Denmark
| | - Tove Agner
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Bispebjerg Bakke 23, 2400, Copenhagen, NV, Denmark
| | - Maja-Lisa Clausen
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Bispebjerg Bakke 23, 2400, Copenhagen, NV, Denmark
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45
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Berekméri A, Tiganescu A, Alase AA, Vital E, Stacey M, Wittmann M. Non-invasive Approaches for the Diagnosis of Autoimmune/Autoinflammatory Skin Diseases-A Focus on Psoriasis and Lupus erythematosus. Front Immunol 2019; 10:1931. [PMID: 31497014 PMCID: PMC6712514 DOI: 10.3389/fimmu.2019.01931] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 07/30/2019] [Indexed: 12/27/2022] Open
Abstract
The traditional diagnostic gold standard for inflammatory skin lesions of unclear etiology is dermato-histopathology. As this approach requires an invasive skin biopsy, biopsy processing and analysis by specialized histologists, it is a resource intensive approach requiring trained healthcare professionals. In many health care settings access to this diagnostic approach can be difficult and outside emergency cases will usually take several weeks. This scenario leads to delayed or inappropriate treatment given to patients. With dramatically increased sensitivity of a range of analysis systems including mass spectrometry, high sensitivity, multiplex ELISA based systems and PCR approaches we are now able to "measure" samples with unprecedented sensitivity and accuracy. Other important developments include the long-term monitoring of parameters using microneedle approaches and the improvement in imaging systems such as optical coherence tomography. In this review we will focus on recent achievements regarding measurements from non-invasive sampling, in particular from plucked hair and skin tape-strips which seem well suited for the diagnosis of lupus erythematosus and psoriatic inflammation, respectively. While these approaches will not replace clinical observation-they can contribute to improved subgroup diagnosis, stratified therapeutic approaches and have great potential for providing molecular and mechanistic insight in to inflammatory skin diseases.
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Affiliation(s)
- Anna Berekméri
- Faculty of Medicine and Health, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom
- Leeds Biomedical Research Centre, National Institute for Health Research, Leeds Teaching Hospitals, Leeds, United Kingdom
| | - Ana Tiganescu
- Faculty of Medicine and Health, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, United Kingdom
| | - Adewonuola A. Alase
- Faculty of Medicine and Health, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom
| | - Edward Vital
- Faculty of Medicine and Health, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom
- Leeds Biomedical Research Centre, National Institute for Health Research, Leeds Teaching Hospitals, Leeds, United Kingdom
| | - Martin Stacey
- Faculty of Biological Sciences, School of Molecular and Cellular Biology, University of Leeds, Leeds, United Kingdom
| | - Miriam Wittmann
- Faculty of Medicine and Health, Leeds Institute of Rheumatic and Musculoskeletal Medicine, University of Leeds, Leeds, United Kingdom
- Leeds Biomedical Research Centre, National Institute for Health Research, Leeds Teaching Hospitals, Leeds, United Kingdom
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46
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Abstract
Conventional skin and blood sampling techniques for disease diagnosis, though effective, are often highly invasive and some even suffer from variations in analysis. With the improvements in molecular detection, the amount of starting sample quantity needed has significantly reduced in some diagnostic procedures, and this has led to an increased interest in microsampling techniques for disease biomarker detection. The miniaturization of sampling platforms driven by microsampling has the potential to shift disease diagnosis and monitoring closer to the point of care. The faster turnaround time for actionable results has improved patient care. The variations in sample quantification and analysis remain a challenge in the microsampling field. The future of microsampling looks promising. Emerging techniques are being clinically tested and monitored by regulatory bodies. This process is leading to safer and more reliable diagnostic platforms. This review discusses the advantages and disadvantages of current skin and blood microsampling techniques.
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Affiliation(s)
- Benson U W Lei
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Building MM - MM2-01F, GPO Box 2471, Mawson Lakes Blvd, Mawson Lakes, Adelaide, SA, 5095, Australia.,Dermatology Research Centre, Faculty of Medicine, The University of Queensland, St. Lucia, Australia
| | - Tarl W Prow
- Future Industries Institute, University of South Australia, Mawson Lakes Campus, Building MM - MM2-01F, GPO Box 2471, Mawson Lakes Blvd, Mawson Lakes, Adelaide, SA, 5095, Australia. .,Dermatology Research Centre, Faculty of Medicine, The University of Queensland, St. Lucia, Australia.
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47
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Méhul B, Ménigot C, Fogel P, Seraidaris A, Genette A, Pascual T, Duvic M, Voegel JJ. Proteomic analysis of stratum corneum
in Cutaneous T-Cell Lymphomas and psoriasis. Exp Dermatol 2019; 28:317-321. [DOI: 10.1111/exd.13880] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Accepted: 01/05/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Bruno Méhul
- Galderma R&D, Les Templiers; Sophia-Antipolis France
| | | | | | | | | | | | - Madeleine Duvic
- University of Texas MD Anderson Cancer Center; Houston Texas
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48
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Nørreslet LB, Serup J, Kezic S, Engebretsen KA, Thyssen JP, Agner T, Clausen M. Tattoos and skin barrier function: Measurements of
TEWL
, stratum corneum conductance and capacitance,
pH
, and filaggrin. Skin Res Technol 2019; 25:382-388. [DOI: 10.1111/srt.12664] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 12/08/2018] [Indexed: 11/29/2022]
Affiliation(s)
- Line Brok Nørreslet
- Department of DermatologyBispebjerg HospitalUniversity of Copenhagen Copenhagen Denmark
| | - Jørgen Serup
- Department of DermatologyBispebjerg HospitalUniversity of Copenhagen Copenhagen Denmark
| | - Sanja Kezic
- Coronel Institute of Occupational HealthAmsterdam Public Health Research InstituteAmsterdam UMCUniversity of Amsterdam Amsterdam The Netherlands
| | | | - Jacob P. Thyssen
- Department of Dermatology and AllergyHerlev and Gentofte HospitalUniversity of Copenhagen Hellerup Denmark
| | - Tove Agner
- Department of DermatologyBispebjerg HospitalUniversity of Copenhagen Copenhagen Denmark
| | - Maja‐Lisa Clausen
- Department of DermatologyBispebjerg HospitalUniversity of Copenhagen Copenhagen Denmark
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49
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Azimi A, Ali M, Kaufman KL, Mann GJ, Fernandez‐Penas P. Tape Stripped Stratum Corneum Samples Prove to be Suitable for Comprehensive Proteomic Investigation of Actinic Keratosis. Proteomics Clin Appl 2018; 13:e1800084. [DOI: 10.1002/prca.201800084] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 09/12/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Ali Azimi
- Centre for Translational Skin ResearchThe University of Sydney Westmead New South Wales 2145 Australia
- Department of DermatologyWestmead Hospital Westmead New South Wales 2145 Australia
| | - Marina Ali
- Centre for Translational Skin ResearchThe University of Sydney Westmead New South Wales 2145 Australia
- Department of DermatologyWestmead Hospital Westmead New South Wales 2145 Australia
| | - Kimberley L. Kaufman
- School of Life and Environmental ScienceFaculty of ScienceThe University of Sydney New South Wales 2006 Australia
- Brain and Mind CentreThe University of Sydney Camperdown New South Wales 2050 Australia
| | - Graham J. Mann
- Centre for Cancer ResearchWestmead Institute for Medical ResearchThe University of Sydney Westmead New South Wales 2145 Australia
- Melanoma Institute AustraliaThe University of Sydney Wollstonecraft New South Wales 2065 Australia
| | - Pablo Fernandez‐Penas
- Centre for Translational Skin ResearchThe University of Sydney Westmead New South Wales 2145 Australia
- Department of DermatologyWestmead Hospital Westmead New South Wales 2145 Australia
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50
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Kendall AC, Koszyczarek MM, Jones EA, Hart PJ, Towers M, Griffiths CEM, Morris M, Nicolaou A. Lipidomics for translational skin research: A primer for the uninitiated. Exp Dermatol 2018; 27:721-728. [DOI: 10.1111/exd.13558] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/04/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Alexandra C. Kendall
- Laboratory for Lipidomics and Lipid Biology; Division of Pharmacy and Optometry; School of Health Sciences; Faculty of Biology, Medicine and Health; University of Manchester; Manchester Academic Health Science Centre; Manchester UK
| | - Marta M. Koszyczarek
- Laboratory for Lipidomics and Lipid Biology; Division of Pharmacy and Optometry; School of Health Sciences; Faculty of Biology, Medicine and Health; University of Manchester; Manchester Academic Health Science Centre; Manchester UK
| | | | | | | | - Christopher E. M. Griffiths
- Dermatology Centre; Salford Royal Hospital; University of Manchester; Manchester Academic Health Science Centre; Manchester UK
| | | | - Anna Nicolaou
- Laboratory for Lipidomics and Lipid Biology; Division of Pharmacy and Optometry; School of Health Sciences; Faculty of Biology, Medicine and Health; University of Manchester; Manchester Academic Health Science Centre; Manchester UK
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