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Chen X, Chen J, Wang S, Yu S, Liu Z, Zeng X. Development of a Coumarin-derived Fluorescent Probe for Detection of HOCl and its Application in Cells and Zebrafish. J Fluoresc 2024:10.1007/s10895-024-03642-8. [PMID: 38647962 DOI: 10.1007/s10895-024-03642-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 02/26/2024] [Indexed: 04/25/2024]
Abstract
We have prepared a simple, universal and efficient coumarin-derived fluorescent probe (XDS1) to detecting HOCl. The experimental findings revealed that the introduction of HOCl produced an obvious quenching effect on the probe with high selectivity and sensitivity. The calculated limit of detection (LOD) was as low as 0.02 μM. Furthermore, an impressive response time of less than 10 s was observed when XDS1 detecting HOCl. Importantly, the probe XDS1 exhibited negligible cytotoxicity, thereby facilitating its application for imaging HOCl within biological environment. The probe XDS1 had been successfully used for specific detection in cells.
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Affiliation(s)
- Xin Chen
- School of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin, People's Republic of China
| | - Jie Chen
- Center of Characterization and Analysis, Jilin Institute of Chemical Technology, Jilin, People's Republic of China
| | - Shanshan Wang
- Center of Characterization and Analysis, Jilin Institute of Chemical Technology, Jilin, People's Republic of China
| | - Shihua Yu
- School of Chemical and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin, People's Republic of China
| | - Zhigang Liu
- Center of Characterization and Analysis, Jilin Institute of Chemical Technology, Jilin, People's Republic of China.
| | - Xiaodan Zeng
- Center of Characterization and Analysis, Jilin Institute of Chemical Technology, Jilin, People's Republic of China.
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2
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Jandova J, Schiro G, Duca FA, Laubitz D, Wondrak GT. Exposure to chlorinated drinking water alters the murine fecal microbiota. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 914:169933. [PMID: 38199366 PMCID: PMC10842530 DOI: 10.1016/j.scitotenv.2024.169933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/26/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
An abundant body of scientific studies and regulatory guidelines substantiates antimicrobial efficacy of freshwater chlorination ensuring drinking water safety in large populations worldwide. In contrast to the purposeful use of chlorination ensuring antimicrobial safety of drinking water, only a limited body of research has addressed the molecular impact of chlorinated drinking water exposure on the gut microbiota. Here, for the first time, we have examined the differential effects of drinking water regimens stratified by chlorination agent [inorganic (HOCl) versus chloramine (TCIC)] on the C57BL/6J murine fecal microbiota. To this end, we exposed C57BL/6J mice to chlorinated drinking water regimens followed by fecal bacterial microbiota analysis at the end of the three-week feeding period employing 16S rRNA sequencing. α-diversity was strongly reduced when comparing chlorinated versus control drinking water groups and community dissimilarities (β-diversity) were significant between groups even when comparing HOCl and TCIC. We detected significant differences in fecal bacterial composition as a function of drinking water chlorination observable at the phylum and genus levels. Differential abundance analysis of select amplicon sequence variants (ASVs) revealed changes as a function of chlorination exposure [up: Lactobacillus ASV1; Akkermansia muciniphila ASV7; Clostridium ss1 ASV10; down: Ileibacterium valens ASV5; Desulfovibrio ASV11; Lachnospiraceae UCG-006 ASV15]. Given the established complexity of murine and human gastrointestinal microbiota and their role in health and disease, the translational relevance of the chlorination-induced changes documented by us for the first time in the fecal murine microbiota remains to be explored.
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Affiliation(s)
- Jana Jandova
- Department of Pharmacology and Toxicology, R.K. Coit College of Pharmacy, University of Arizona, Tucson, USA; University of Arizona Cancer Center, University of Arizona, Tucson, USA
| | - Gabriele Schiro
- Department of Pediatrics, College of Medicine, University of Arizona, Tucson, USA
| | - Frank A Duca
- School of Animal and Comparative Biomedical Sciences, College of Agriculture and Life Sciences, University of Arizona, Tucson, USA
| | - Daniel Laubitz
- Department of Pediatrics, College of Medicine, University of Arizona, Tucson, USA
| | - Georg T Wondrak
- Department of Pharmacology and Toxicology, R.K. Coit College of Pharmacy, University of Arizona, Tucson, USA; University of Arizona Cancer Center, University of Arizona, Tucson, USA.
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3
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Dickinson SE, Vaishampayan P, Jandova J, Ai Y(E, Kirschnerova V, Zhang T, Calvert V, Petricoin E, Chow HHS, Hu C, Roe D, Bode A, Curiel-Lewandrowski C, Wondrak GT. Inhibition of UV-Induced Stress Signaling and Inflammatory Responses in SKH-1 Mouse Skin by Topical Small-Molecule PD-L1 Blockade. JID INNOVATIONS 2024; 4:100255. [PMID: 38328594 PMCID: PMC10847774 DOI: 10.1016/j.xjidi.2023.100255] [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: 08/25/2023] [Revised: 11/24/2023] [Accepted: 12/05/2023] [Indexed: 02/09/2024] Open
Abstract
The immune checkpoint ligand PD-L1 has emerged as a molecular target for skin cancer therapy and might also hold promise for preventive intervention targeting solar UV light-induced skin damage. In this study, we have explored the role of PD-L1 in acute keratinocytic photodamage testing the effects of small-molecule pharmacological inhibition. Epidermal PD-L1 upregulation in response to chronic photodamage was established using immunohistochemical and proteomic analyses of a human skin cohort, consistent with earlier observations that PD-L1 is upregulated in cutaneous squamous cell carcinoma. Topical application of the small-molecule PD-L1 inhibitor BMS-202 significantly attenuated UV-induced activator protein-1 transcriptional activity in SKH-1 bioluminescent reporter mouse skin, also confirmed in human HaCaT reporter keratinocytes. RT-qPCR analysis revealed that BMS-202 antagonized UV induction of inflammatory gene expression. Likewise, UV-induced cleavage of procaspase-3, a hallmark of acute skin photodamage, was attenuated by topical BMS-202. NanoString nCounter transcriptomic analysis confirmed downregulation of cutaneous innate immunity- and inflammation-related responses, together with upregulation of immune response pathway gene expression. Further mechanistic analysis confirmed that BMS-202 antagonizes UV-induced PD-L1 expression both at the mRNA and protein levels in SKH-1 epidermis. These data suggest that topical pharmacological PD-L1 antagonism using BMS-202 shows promise for skin protection against photodamage.
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Affiliation(s)
- Sally E. Dickinson
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
- Department of Pharmacology, College of Medicine Tucson, The University of Arizona, Tucson, Arizona, USA
- Skin Cancer Institute, University of Arizona, Tucson, Arizona, USA
| | - Prajakta Vaishampayan
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
| | - Jana Jandova
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
- Department of Pharmacology & Toxicology, R. Ken Coit College of Pharmacy, The University of Arizona, Tucson, Arizona, USA
| | - Yuchen (Ella) Ai
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
| | - Viktoria Kirschnerova
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
| | - Tianshun Zhang
- The Hormel Institute, University of Minnesota, Austin, Minnesota, USA
| | - Valerie Calvert
- Center for Applied Proteomics and Molecular Medicine, College of Medicine, George Mason University, Fairfax, Virginia, USA
| | - Emanuel Petricoin
- Center for Applied Proteomics and Molecular Medicine, College of Medicine, George Mason University, Fairfax, Virginia, USA
| | - H-H. Sherry Chow
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
- Department of Molecular & Cellular Biology, College of Medicine, The University of Arizona, Tucson, Arizona, USA
| | - Chengcheng Hu
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
- Department of Epidemiology and Biostatistics, Mel and Enid Zukerman College of Public Health, The University of Arizona, Tucson, Arizona, USA
| | - Denise Roe
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
- Department of Epidemiology and Biostatistics, Mel and Enid Zukerman College of Public Health, The University of Arizona, Tucson, Arizona, USA
| | - Ann Bode
- The Hormel Institute, University of Minnesota, Austin, Minnesota, USA
| | - Clara Curiel-Lewandrowski
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
- Skin Cancer Institute, University of Arizona, Tucson, Arizona, USA
- Division of Dermatology, Department of Medicine, College of Medicine Tucson, The University of Arizona, Tucson, Arizona, USA
| | - Georg T. Wondrak
- The University of Arizona Cancer Center, The University of Arizona, Tucson, Arizona, USA
- Skin Cancer Institute, University of Arizona, Tucson, Arizona, USA
- Department of Pharmacology & Toxicology, R. Ken Coit College of Pharmacy, The University of Arizona, Tucson, Arizona, USA
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Zhao K, Hu F, Zhang Z, Yin X, Wang H, Li M. 0.01% Hypochlorous Acid Treats Aspergillus fumigatus Keratitis in Rats by Reducing Fungal Load and Inhibiting the Inflammatory Response. Transl Vis Sci Technol 2023; 12:3. [PMID: 37531113 PMCID: PMC10405862 DOI: 10.1167/tvst.12.8.3] [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: 01/17/2023] [Accepted: 05/26/2023] [Indexed: 08/03/2023] Open
Abstract
Purpose To investigate the antifungal and anti-inflammatory effects of 0.01% hypochlorous acid (HCLO) on rats with Aspergillus fumigatus keratitis. Methods The time-kill assay and broth microdilution procedures were used in vitro to demonstrate that 0.01% HCLO was fungicidal and fungistatic. The severity of the disease was evaluated in vivo using a clinical score and slit-lamp photographs. Fungal load, polymorphonuclear neutrophil infiltration, and the production of related proteins were determined using colony plate counting, in vivo confocal microscopy, periodic acid-Schiff staining, fungal fluorescence staining, immunofluorescence staining, myeloperoxidase assay, and Western blotting. Result In vitro, 0.01% HCLO can destroy A. fumigatus spores in 1 minute. The optical density of the 0.01% HCLO group was significantly lower than that of the phosphate-buffered saline control group (P < 0.01), and no visible mycelium was observed using a fluorescence microscope. 0.01% HCLO reduced the severity of A. fumigatus keratitis in rats by decreasing the clinical score, fungal loading (periodic acid-Schiff, plate count, and fungal fluorescence staining), and inhibiting neutrophil infiltration and activity (immunofluorescence staining and myeloperoxidase). Furthermore, the Western blot analysis revealed that 0.01% HCO decreased protein expression levels of tumor necrosis factor-α and IL-1β. Conclusions According to our findings, 0.01% HCLO can kill A. fumigatus spores in vitro. It has antifungal and anti-inflammatory effects on A. fumigatus keratitis in rats. It also inhibited A. fumigatus growth; decreased neutrophil infiltration, tumor necrosis factor-α, and IL-1β expression; and provided a potential treatment for fungal keratitis. Translational Relevance This study provides a potential treatment for fungal keratitis in the clinic.
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Affiliation(s)
- Kai Zhao
- Department of Ophthalmology, Xuzhou Medical University, Xuzhou, China
| | - Fen Hu
- Department of Ophthalmology, Xuzhou Medical University, Xuzhou, China
| | - Zhaowei Zhang
- Department of Ophthalmology, Xuzhou Medical University, Xuzhou, China
| | - Xiaoyue Yin
- Department of Ophthalmology, Xuzhou Medical University, Xuzhou, China
| | - He Wang
- Department of Ophthalmology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
| | - Mingxin Li
- Department of Ophthalmology, The Affiliated Hospital of Xuzhou Medical University, Xuzhou, China
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Xu ZY, Meng L, Luo HQ, Xiao Q, Li NB. Screening of aggregation-induced emission and multi-response acrylonitrile-bridging fluorescent molecules tailored for rapid turn-on detection of HClO as well as ratiometric visualizing of extreme basicity. Anal Chim Acta 2023; 1254:341122. [PMID: 37005029 DOI: 10.1016/j.aca.2023.341122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2022] [Revised: 02/25/2023] [Accepted: 03/18/2023] [Indexed: 04/04/2023]
Abstract
Realizing the rapid and sensitive tracing of multiple analysis indicators using single molecular probe through structural designing is urgently desired for exploring novel multi-response chemosensors. Herein, a series of acrylonitrile-bridging organic small molecules have been rationally designed. Among these donor-π-acceptor (D-π-A) compounds with efficient aggregation-induced emission (AIE) characteristics, a unique derivative, 2-(1H-benzo[d]imidazole-2-yl)-3-(4-(methylthio)phenyl) acrylonitrile, named MZS, has been screened out for multifunctional utilizing. First, probe MZS can respond to hypochlorous acid (HClO) through specific oxidation reaction, showing a marked fluorescence turn-on signal (I495). This special sensing reaction is ultra-fast with a rather low detection limit (LOD = 13.6 nM). Next, versatile MZS is also sensitive to the extreme pH fluctuation, displaying an intriguing ratiometric signal variation (I540/I450), facilitating the real-time and naked-eye visualizing, which is even stable and reversible. Furthermore, probe MZS has been used for the monitoring of HClO in real water and commercially available disinfectant spray samples with satisfactory results. We envision that probe MZS would be a flexible and powerful tool for monitoring of environmental toxicity and industrial operations under realistic scenarios.
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Affiliation(s)
- Zi Yi Xu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Li Meng
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Hong Qun Luo
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Qi Xiao
- School of Chemistry and Materials, Nanning Normal University, Nanning, 530001, PR China.
| | - Nian Bing Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China.
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Snell JA, Vaishmapayan P, Dickinson SE, Jandova J, Wondrak GT. The Drinking Water and Swimming Pool Disinfectant Trichloroisocyanuric Acid Causes Chlorination Stress Enhancing Solar UV-Induced Inflammatory Gene Expression in AP-1 Transgenic SKH-1 Luciferase Reporter Mouse Skin. Photochem Photobiol 2023; 99:835-843. [PMID: 35841216 PMCID: PMC10321141 DOI: 10.1111/php.13675] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 07/12/2022] [Indexed: 11/28/2022]
Abstract
Freshwater sanitation and disinfection using a variety of chemical entities as chlorination agents is an essential public health intervention ensuring water safety for populations at a global scale. Recently, we have published our observation that the small molecule oxidant, innate immune factor and chlorination agent HOCl antagonize inflammation and photocarcinogenesis in murine skin exposed topically to environmentally relevant concentrations of HOCl. Chlorinated isocyanuric acid derivatives (including the chloramines trichloroisocyanuric acid [TCIC] and dichloroisocyanuric acid [DCIC]) are used worldwide as alternate chlorination agents serving as HOCl precursor and stabilizer compounds ensuring sustained release in aqueous environments including public water systems, recreational pools and residential hot tubs. Here, for the first time, we have examined the cutaneous TCIC-induced transcriptional stress response (in both an organotypic epidermal model and in AP-1 luciferase reporter SKH-1 mouse skin), also examining molecular consequences of subsequent treatment with solar ultraviolet (UV) radiation. Taken together, our findings indicate that cutaneous delivery of TCIC significantly enhances UV-induced inflammation (as profiled at the gene expression level), suggesting a heretofore unrecognized potential to exacerbate UV-induced functional and structural cutaneous changes. These observations deserve further molecular investigations in the context of TCIC-based freshwater disinfection with health implications for populations worldwide.
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Affiliation(s)
- Jeremy A. Snell
- Department of Pharmacology and Toxicology, R.K. Coit College of Pharmacy, University of Arizona, Tucson, Arizona, USA
- UA Cancer Center, University of Arizona, Tucson, Arizona, USA
| | - Praj Vaishmapayan
- UA Cancer Center, University of Arizona, Tucson, Arizona, USA
- Department of Medical Pharmacology, University of Arizona, Tucson, Arizona, USA
| | - Sally E. Dickinson
- UA Cancer Center, University of Arizona, Tucson, Arizona, USA
- Department of Medical Pharmacology, University of Arizona, Tucson, Arizona, USA
| | - Jana Jandova
- Department of Pharmacology and Toxicology, R.K. Coit College of Pharmacy, University of Arizona, Tucson, Arizona, USA
- UA Cancer Center, University of Arizona, Tucson, Arizona, USA
| | - Georg T. Wondrak
- Department of Pharmacology and Toxicology, R.K. Coit College of Pharmacy, University of Arizona, Tucson, Arizona, USA
- UA Cancer Center, University of Arizona, Tucson, Arizona, USA
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Geng R, Kang SG, Huang K, Tong T. α-Ionone protects against UVB-induced photoaging in epidermal keratinocytes. CHINESE HERBAL MEDICINES 2023; 15:132-138. [PMID: 36875429 PMCID: PMC9975636 DOI: 10.1016/j.chmed.2022.09.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/20/2022] [Accepted: 09/19/2022] [Indexed: 11/11/2022] Open
Abstract
Objective To evaluate whether α-ionone, an aromatic compound mainly found in raspberries, carrots, roasted almonds, fruits, and herbs, inhibits UVB-mediated photoaging and barrier dysfunction in a human epidermal keratinocyte cell line (HaCaT cells). Methods The anti-photoaging effect of α-ionone was evaluated by detecting the expression of barrier-related genes and matrix metalloproteinases (MMPs) in HaCaT cells. The levels of reactive oxygen species, oxidation product, antioxidant enzyme, and inflammatory factors were further analysed to underline the protective effect of α-ionone on epidermal photoaging. Results It was found that α-ionone attenuated UVB-induced barrier dysfunction by reversing keratin 1 and filaggrin in HaCaT cells. α-Ionone also reduced the protein amount of MMP-1 and mRNA expression of MMP-1 and MMP-3 in UVB-irradiated HaCaT cells, implying protective effects on extracellular matrix. Furthermore, HaCaT cells exposed to α-ionone showed significant decreases in interleukin (IL)-1β, IL-6, IL-8, and tumor necrosis factor-α as compared to UVB-irradiated HaCaT cells. α-Ionone treatment significantly inhibited the UVB-induced intracellular reactive oxygen species increase and malondialdehyde accumulation. Therefore, the beneficial effects of α-ionone on inhibiting MMPs secretion and barrier damage may be related to attenuated inflammation and oxidative stress. Conclusion Our results highlight the protective effects of α-ionone on epidermal photoaging and promote its clinic application as a potential natural anti-photodamage agent in future.
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Affiliation(s)
- Ruixuan Geng
- Key Laboratory of Precision Nutrition and Food Quality, Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Seong-Gook Kang
- Department of Food Engineering, Mokpo National University, 61 Dorimri, Chungkyemyon, Muangun, Jeonnam 534-729, Korea
| | - Kunlun Huang
- Key Laboratory of Precision Nutrition and Food Quality, Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.,Key Laboratory of Safety Assessment of Genetically Modified Organism (Food Safety), Ministry of Agriculture, Beijing 100083, China.,Beijing Laboratory for Food Quality and Safety, Beijing 100083, China
| | - Tao Tong
- Key Laboratory of Precision Nutrition and Food Quality, Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.,Key Laboratory of Safety Assessment of Genetically Modified Organism (Food Safety), Ministry of Agriculture, Beijing 100083, China.,Beijing Laboratory for Food Quality and Safety, Beijing 100083, China
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Boecker D, Zhang Z, Breves R, Herth F, Kramer A, Bulitta C. Antimicrobial efficacy, mode of action and in vivo use of hypochlorous acid (HOCl) for prevention or therapeutic support of infections. GMS HYGIENE AND INFECTION CONTROL 2023; 18:Doc07. [PMID: 37034111 PMCID: PMC10073986 DOI: 10.3205/dgkh000433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
Abstract
The objective is to provide a comprehensive overview of the rapidly developing field of the current state of research on in vivo use of hypochlorous acid (HOCl) to aid infection prevention and control, including naso-pharyngeal, alveolar, topical, and systemic HOCl applications. Also, examples are provided of dedicated applications in COVID-19. A brief background of HOCl's biological and chemical specifics and its physiological role in the innate immune system is provided to understand the effect of in vivo applications in the context of the body's own physiological defense mechanisms.
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Affiliation(s)
- Dirk Boecker
- TOTO Consulting LLC, San Jose CA, USA
- *To whom correspondence should be addressed: Dirk Boecker, TOTO Consulting LLC, San Jose CA, USA, E-mail:
| | - Zhentian Zhang
- Institute for Medical Statistics, University Medical Center Göttingen, Göttingen, Germany
| | | | - Felix Herth
- Thoraxklinik, University of Heidelberg, Heidelberg, Germany
| | - Axel Kramer
- Institut of Hygiene and Environmental Medicine, University Medicine Greifswald, Greifswald, Germany
| | - Clemens Bulitta
- Institut für Medizintechnik, Ostbayerische Technische Hochschule (OTH) Amberg-Weiden, Amberg-Weiden, Germany
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9
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Chhabra G, Ahmad N. Trichloroisocyanuric Acid (TCIC), A Swimming Pool Disinfectant: New Developments and Role in UV-Induced Skin Inflammation. Photochem Photobiol 2022; 99:869-871. [PMID: 36004539 DOI: 10.1111/php.13700] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2022] [Accepted: 08/19/2022] [Indexed: 11/30/2022]
Abstract
This article is a highlight of the paper by Snell et al. in the current issue of Photochemistry and Photobiology (Snell et al. Photochem. Photobiol. 2022). The authors utilized an organotypic human skin model as well as transgenic SKH-1 mice to determine the oxidative stress response induced by topical treatment of trichloroisocyanuric acid (TCIC), a common disinfectant used in swimming pool. Additionally, they determined molecular mechanisms associated with topical TCIC pre-treatment followed by ultraviolet (UV) radiation exposure. This work provides the first example that cutaneous delivery of TCIC significantly increases UV-induced skin inflammation, suggesting a previously unidentified potential of TCIC. If translatable to human skin, these findings could be important for human skin health implications.
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Affiliation(s)
- Gagan Chhabra
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, 53705, USA
| | - Nihal Ahmad
- Department of Dermatology, University of Wisconsin, Madison, Wisconsin, 53705, USA.,William S. Middleton VA Medical Center, Madison, Wisconsin, 53705, USA
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10
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Xiao J, Lu H, Ma T, Ni X, Chang T, Liu M, Li N, Lu P, Ke C, Tian Q, Zou L, Wang F, Wang W, Zhang L, Yuan P, Liu L, Zhang J, Shi F, Duan Q, Zhu F. Worenine Prevents Solar Ultraviolet–Induced Sunburn by Inhibiting JNK2. Front Pharmacol 2022; 13:881042. [PMID: 35979232 PMCID: PMC9377457 DOI: 10.3389/fphar.2022.881042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 05/23/2022] [Indexed: 11/13/2022] Open
Abstract
Excessive solar ultraviolet (SUV) radiation often causes dermatitis, photoaging, and even skin cancer. In the pathological processes of SUV-induced sunburn, JNK is activated by phosphorylation, and it in turn phosphorylates its downstream transcription factors, such as ATF2 and c-jun. The transcription factors further regulate the expression of pro-inflammatory genes, such as IL-6 and TNF-α, which ultimately leads to dermatitis. Therefore, inhibiting JNK may be a strategy to prevent dermatitis. In this study, we screened for worenine as a potential drug candidate for inhibiting sunburn. We determined that worenine inhibited the JNK-ATF2/c-jun signaling pathway and the secretion of IL-6 and TNF-α in cell culture and in vivo, confirming the role of worenine in inhibiting sunburn. Furthermore, we determined that worenine bound and inhibited JNK2 activity in vitro through the MST, kinase, and in vitro kinase assays. Therefore, worenine might be a promising drug candidate for the prevention and treatment of SUV-induced sunburn.
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Affiliation(s)
- Juanjuan Xiao
- Cancer Research Institute, The Affiliated Hospital of Guilin Medical University, Guilin, China
- Guangxi Health Commission Key Laboratory of Novel Onco-Kinases in Target Therapy, The Affiliated Hospital of Guilin Medical University, Guilin, China
- *Correspondence: Hui Lu, ; Juanjuan Xiao, ; Qiuhong Duan, ; Feng Zhu, , orcid.org/0000-0003-1172-0102
| | - Hui Lu
- Wuhan Children’s Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Hui Lu, ; Juanjuan Xiao, ; Qiuhong Duan, ; Feng Zhu, , orcid.org/0000-0003-1172-0102
| | - Tengfei Ma
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xiaofang Ni
- Wuhan Children’s Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Teding Chang
- Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Man Liu
- Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Nijie Li
- Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Peijiang Lu
- Second Clinical College, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Changshu Ke
- Department of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qin Tian
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ling Zou
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fei Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wei Wang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lu Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ping Yuan
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lin Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianmin Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fei Shi
- Department of Dermatology, The General Hospital of Air Force, Beijing, China
| | - Qiuhong Duan
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Hui Lu, ; Juanjuan Xiao, ; Qiuhong Duan, ; Feng Zhu, , orcid.org/0000-0003-1172-0102
| | - Feng Zhu
- Cancer Research Institute, The Affiliated Hospital of Guilin Medical University, Guilin, China
- Guangxi Health Commission Key Laboratory of Novel Onco-Kinases in Target Therapy, The Affiliated Hospital of Guilin Medical University, Guilin, China
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Guangxi Key Laboratory of Molecular Medicine in Liver Injury and Repair, The Affiliated Hospital of Guilin Medical University, Guilin, China
- *Correspondence: Hui Lu, ; Juanjuan Xiao, ; Qiuhong Duan, ; Feng Zhu, , orcid.org/0000-0003-1172-0102
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11
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Snell JA, Jandova J, Wondrak GT. Hypochlorous Acid: From Innate Immune Factor and Environmental Toxicant to Chemopreventive Agent Targeting Solar UV-Induced Skin Cancer. Front Oncol 2022; 12:887220. [PMID: 35574306 PMCID: PMC9106365 DOI: 10.3389/fonc.2022.887220] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 03/31/2022] [Indexed: 12/15/2022] Open
Abstract
A multitude of extrinsic environmental factors (referred to in their entirety as the 'skin exposome') impact structure and function of skin and its corresponding cellular components. The complex (i.e. additive, antagonistic, or synergistic) interactions between multiple extrinsic (exposome) and intrinsic (biological) factors are important determinants of skin health outcomes. Here, we review the role of hypochlorous acid (HOCl) as an emerging component of the skin exposome serving molecular functions as an innate immune factor, environmental toxicant, and topical chemopreventive agent targeting solar UV-induced skin cancer. HOCl [and its corresponding anion (OCl-; hypochlorite)], a weak halogen-based acid and powerful oxidant, serves two seemingly unrelated molecular roles: (i) as an innate immune factor [acting as a myeloperoxidase (MPO)-derived microbicidal factor] and (ii) as a chemical disinfectant used in freshwater processing on a global scale, both in the context of drinking water safety and recreational freshwater use. Physicochemical properties (including redox potential and photon absorptivity) determine chemical reactivity of HOCl towards select biochemical targets [i.e. proteins (e.g. IKK, GRP78, HSA, Keap1/NRF2), lipids, and nucleic acids], essential to its role in innate immunity, antimicrobial disinfection, and therapeutic anti-inflammatory use. Recent studies have explored the interaction between solar UV and HOCl-related environmental co-exposures identifying a heretofore unrecognized photo-chemopreventive activity of topical HOCl and chlorination stress that blocks tumorigenic inflammatory progression in UV-induced high-risk SKH-1 mouse skin, a finding with potential implications for the prevention of human nonmelanoma skin photocarcinogenesis.
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Affiliation(s)
| | | | - Georg T. Wondrak
- Department of Pharmacology and Toxicology, R.K. Coit College of Pharmacy & UA Cancer Center, University of Arizona, Tucson, AZ, United States
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12
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Robins LI, Clark A, Gafken PR, Alam S, Milici J, Hassan R, Wang C, Williams J, Meyers C. Hypochlorous Acid as a Disinfectant for High‐risk HPV: Insight into the mechanism of action. J Med Virol 2022; 94:3386-3393. [DOI: 10.1002/jmv.27716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/11/2022] [Accepted: 02/12/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Lori I. Robins
- Department of Physical Sciences, University of Washington Bothell, 18115 Campus Way NE BothellWA98011USA
| | - Andrew Clark
- Department of Physical Sciences, University of Washington Bothell, 18115 Campus Way NE BothellWA98011USA
| | - Philip R. Gafken
- Fred Hutchinson Cancer Research Center, 1100 Fairview Ave NSeattleWA98109USA
| | - Samina Alam
- Department of Microbiology and Immunology, Pennsylvania State College of MedicineHersheyPA17033USA
| | - Janice Milici
- Department of Microbiology and Immunology, Pennsylvania State College of MedicineHersheyPA17033USA
| | - Reem Hassan
- Department of Microbiology and Immunology, Pennsylvania State College of MedicineHersheyPA17033USA
| | - Che‐Yen Wang
- Department of Microbiology and Immunology, Pennsylvania State College of MedicineHersheyPA17033USA
| | - Jeff Williams
- Briotech Inc., 14120 NE 200th StWoodinvilleWA98072USA
| | - Craig Meyers
- Department of Microbiology and Immunology, Pennsylvania State College of MedicineHersheyPA17033USA
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13
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Ni Q, Zhang P, Li Q, Han Z. Oxidative Stress and Gut Microbiome in Inflammatory Skin Diseases. Front Cell Dev Biol 2022; 10:849985. [PMID: 35321240 PMCID: PMC8937033 DOI: 10.3389/fcell.2022.849985] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 02/18/2022] [Indexed: 12/12/2022] Open
Abstract
Oxidative stress plays a dominant role in inflammatory skin diseases. Emerging evidence has shown that the close interaction occurred between oxidative stress and the gut microbiome. Overall, in this review, we have summarized the impact of oxidative stress and gut microbiome during the progression and treatment for inflammatory skin diseases, the interactions between gut dysbiosis and redox imbalance, and discussed the potential possible role of oxidative stress in the gut-skin axis. In addition, we have also elucidated the promising gut microbiome/redox-targeted therapeutic strategies for inflammatory skin diseases.
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Affiliation(s)
- Qingrong Ni
- Department of Dermatology, Air Force Medical Center, Fourth Military Medical University, Beijing, China
| | - Ping Zhang
- Department of Dermatology, Air Force Medical Center, Fourth Military Medical University, Beijing, China
| | - Qiang Li
- Department of Dermatology, Air Force Medical Center, Fourth Military Medical University, Beijing, China
| | - Zheyi Han
- Department of Gastroenterology, Air Force Medical Center, Fourth Military Medical University, Beijing, China
- *Correspondence: Zheyi Han,
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14
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Jandova J, Wondrak GT. Vemurafenib Drives Epithelial-to-Mesenchymal Transition Gene Expression in BRAF Inhibitor‒Resistant BRAF V600E/NRAS Q61K Melanoma Enhancing Tumor Growth and Metastasis in a Bioluminescent Murine Model. J Invest Dermatol 2021; 142:1456-1465.e1. [PMID: 34687745 PMCID: PMC9021323 DOI: 10.1016/j.jid.2021.10.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/03/2021] [Accepted: 10/10/2021] [Indexed: 12/22/2022]
Abstract
BRAF inhibitor (BRAFi) resistance compromises long-term survivorship of patients with malignant melanoma, and mutant NRAS is a major mediator of BRAFi resistance. In this study, employing phenotypic and transcriptomic analysis of isogenic melanoma cells that differ only by NRAS mutational status (BRAFi-sensitive A375-BRAFV600E/NRASQ61 vs. BRAFi-resistant A375-BRAFV600E/NRASQ61K), we show that BRAFi (vemurafenib) treatment selectively targets BRAFV600E/NRASQ61K cells upregulating epithelial-to-mesenchymal transition (EMT) gene expression, paradoxically promoting invasiveness and metastasis in vitro and in vivo. First, NanoString nCounter transcriptomic analysis identified the upregulation of specific gene expression networks (EMT and EMT to metastasis) as a function of NRASQ61K status. Strikingly, BRAFi treatment further exacerbated the upregulation of genes promoting EMT in BRAFV600E/NRASQ61K cells (with opposing downregulation of EMT-driver genes in the BRAFV600E/NRASQ61 genotype) as detected by EMT-focused RT2 Profiler qPCR array analysis. In BRAFV600E/NRASQ61K cells, BRAFi treatment enhanced proliferation and invasiveness, together with activation of phosphorylated protein kinase B (Ser473), with opposing phenotypic effects observable in BRAFV600E/NRASQ61 cells displaying downregulation of phosphorylated protein kinase B and phosphorylated extracellular signal-regulated kinase 1/2. In a SCID mouse bioluminescent melanoma metastasis model, BRAFi treatment enhanced lung tumor burden imposed by BRAFV600E/NRASQ61K cells while blocking BRAFV600E/NRASQ61 metastasis. These preclinical data document the BRAFi-driven enhancement of tumorigenesis and metastasis in BRAFi-resistant human BRAFV600E/NRASQ61K melanoma, a finding with potential clinical implications for patients with NRAS-driven BRAFi-resistant tumors receiving BRAFi treatment.
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Affiliation(s)
- Jana Jandova
- Department of Pharmacology & Toxicology, College of Pharmacy, The University of Arizona, Tucson, Arizona, USA; UA Cancer Center, The University of Arizona, Tucson, Arizona, USA
| | - Georg T Wondrak
- Department of Pharmacology & Toxicology, College of Pharmacy, The University of Arizona, Tucson, Arizona, USA; UA Cancer Center, The University of Arizona, Tucson, Arizona, USA.
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