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Pihl C, Bjerring P, Andersen F, Haedersdal M, Lerche CM. Oral intake of bucillamine, carvedilol, metformin, or phenformin does not protect against UVR-induced squamous cell carcinomas in hairless mice. Photochem Photobiol Sci 2024; 23:517-526. [PMID: 38337129 DOI: 10.1007/s43630-024-00535-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 01/04/2024] [Indexed: 02/12/2024]
Abstract
Squamous cell carcinoma represents the second most common type of keratinocyte carcinoma with ultraviolet radiation (UVR) making up the primary risk factor. Oral photoprotection aims to reduce incidence rates through oral intake of photoprotective compounds. Recently, drug repurposing has gained traction as an interesting source of chemoprevention. Because of their reported photoprotective properties, we investigated the potential of bucillamine, carvedilol, metformin, and phenformin as photoprotective compounds following oral intake in UVR-exposed hairless mice. Tumour development was observed in all groups in response to UVR, with only the positive control (Nicotinamide) demonstrating a reduction in tumour incidence (23.8%). No change in tumour development was observed in the four repurposed drug groups compared to the UV control group, whereas nicotinamide significantly reduced carcinogenesis (P = 0.00012). Metformin treatment significantly reduced UVR-induced erythema (P = 0.012), bucillamine and phenformin increased dorsal pigmentation (P = 0.0013, and P = 0.0005), but no other photoprotective effect was observed across the repurposed groups. This study demonstrates that oral supplementation with bucillamine, carvedilol, metformin, or phenformin does not affect UVR-induced carcinogenesis in hairless mice.
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Affiliation(s)
- Celina Pihl
- Department of Dermatology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, Denmark.
- Department of Pharmacy, University of Copenhagen, 2400, Copenhagen, Denmark.
| | - Peter Bjerring
- Department of Dermatology, Aalborg University Hospital, 9100, Aalborg, Denmark
| | - Flemming Andersen
- Department of Dermatology, Aalborg University Hospital, 9100, Aalborg, Denmark
- Department of Dermatology, Private Hospital Molholm, 7100, Vejle, Denmark
| | - Merete Haedersdal
- Department of Dermatology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, 2400, Copenhagen, Denmark
| | - Catharina M Lerche
- Department of Dermatology, Copenhagen University Hospital-Bispebjerg and Frederiksberg, Copenhagen, Denmark
- Department of Pharmacy, University of Copenhagen, 2400, Copenhagen, Denmark
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Li Y, Ma Y, Yao Y, Ru G, Lan C, Li L, Huang T. Protective effect of isoquercitrin on UVB-induced injury in HaCaT cells and mice skin through anti-inflammatory, antioxidant, and regulation of MAPK and JAK2-STAT3 pathways. Photochem Photobiol 2024. [PMID: 38337181 DOI: 10.1111/php.13919] [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: 11/15/2023] [Revised: 01/16/2024] [Accepted: 01/26/2024] [Indexed: 02/12/2024]
Abstract
Natural products are favored in the study of skin photodamage protection recently. Isoquercetin, namely 3-O-glucoside of quercetin, can be isolated from various plant species. In present research, the protective effect of isoquercitrin on UVB-induced injury in cells and mice skin were investigated. Our study reveals that 400 μM of isoquercitrin exhibits the best viability on UVB-irradiated HaCaT cells, and beneficial effects against oxidative stress UVB-induced in skin tissue by decreasing the levels of reactive oxygen species (ROS) and malondialdehyde (MDA), and simultaneously enhancing the activity of superoxide dismutase (SOD). Additionally, isoquercitrin was identified as an anti-inflammatory agent by reducing the level of COX-2 by Western blot analysis, and inflammatory cytokines such as IL-6, IL-1β, and TNF-α by ELISA, and UVB-induced epidermal thickening evidenced by H&E staining. It also effectively prevented UVB-induced collagen fibers from degradation identified by Masson staining. Isoquercitrin significantly inhibited MAPK pathway by downregulating the levels of AP-1, MMP-1, MMP-3, phospho-p38, phospho-JNK, phospho-ERK, cleaved caspase-9, cleaved caspase-3, and JAK2-STAT3 pathway by western blot analysis. In conclusion, isoquercitrin pretreatment protected mice skin from UVB irradiation-induced injury effectively, and the underlying mechanism may involve MAPK and JAK2-STAT3 signaling pathways.
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Affiliation(s)
- Yingyan Li
- School of Pharmacy, Henan University, Kaifeng, China
| | - Yunge Ma
- School of Pharmacy, Henan University, Kaifeng, China
| | - Yike Yao
- School of Pharmacy, Henan University, Kaifeng, China
| | - Guohua Ru
- School of Pharmacy, Henan University, Kaifeng, China
| | - Chong Lan
- Medical School, Huanghe Science & Technology University, Zhengzhou, China
| | - Liyan Li
- Medical School, Huanghe Science & Technology University, Zhengzhou, China
| | - Tao Huang
- Medical School, Huanghe Science & Technology University, Zhengzhou, China
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Lu W, Kong C, Cheng S, Xu X, Zhang J. Succinoglycan riclin relieves UVB-induced skin injury with anti-oxidant and anti-inflammatory properties. Int J Biol Macromol 2023; 235:123717. [PMID: 36806772 DOI: 10.1016/j.ijbiomac.2023.123717] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 01/19/2023] [Accepted: 02/12/2023] [Indexed: 02/19/2023]
Abstract
Excessive UVB exposure increases the production of reactive oxygen species (ROS), which causes oxidative damage and epidermal inflammation. Previous studies have identified that the succinoglycan riclin has potent anti-inflammatory properties. The current study aims to investigate whether riclin protects against UVB-induced photodamage. In vitro, riclin demonstrated excellent moisture-preserving properties, along with antioxidant potential by scavenging superoxide anions, hydroxyl and DPPH radicals. Riclin increased Col1α1 and Col3α1 expression in NIH3T3 cells, inhibited oxidation and melanin synthesis by B16F10 cells upon UVB irradiation. In vivo, topical application of riclin effectively attenuated UVB-induced skin damage in C57BL6 mice, which was characterized by erythema, epidermal hyperplasia, hydroxyproline loss and ROS production in skin tissue. Riclin suppressed skin inflammation by the elevation of TNF-α, IL-6, IL-β, and alleviated UVB-induced immune cell up-regulation. Moreover, treatment with a Dectin-1 inhibitor reversed the protective effect of riclin in THP-1 cells.
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Affiliation(s)
- Weiling Lu
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China
| | - Changchang Kong
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China
| | - Shijunyin Cheng
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China
| | - Xiaodong Xu
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China
| | - Jianfa Zhang
- Center for Molecular Metabolism, Nanjing University of Science & Technology, Nanjing 210094, China.
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Indirapriyadarshini R, Kanimozhi G, Natarajan D, Jeevakaruniyam SJ. Andrographolide protects acute ultraviolet-B radiation-induced photodamages in the mouse skin. Arch Dermatol Res 2022; 315:1197-1205. [DOI: 10.1007/s00403-022-02504-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 11/27/2022] [Accepted: 12/04/2022] [Indexed: 12/14/2022]
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Thakur MA, Khandelwal AR, Gu X, Rho O, Carbajal S, Kandula RA, DiGiovanni J, Nathan CAO. Inhibition of Fibroblast Growth Factor Receptor Attenuates Ultraviolet B-Induced Skin Carcinogenesis. J Invest Dermatol 2022; 142:2873-2884.e7. [PMID: 35551922 DOI: 10.1016/j.jid.2022.03.036] [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] [Received: 10/28/2021] [Revised: 03/01/2022] [Accepted: 03/14/2022] [Indexed: 12/20/2022]
Abstract
Altered FGFR signaling has been shown to play a role in a number of cancers. However, the role of FGFR signaling in the development and progression of ultraviolet B-induced (UVB) induced cutaneous squamous cell carcinoma (cSCC) remains unclear. In the current study, the effect of UVB radiation on FGFR activation and its downstream signaling in mouse skin epidermis was examined. In addition, the impact of FGFR inhibition on UVB-induced signaling and skin carcinogenesis was also investigated. Exposure of mouse dorsal skin to UVB significantly increased phosphorylation of FGFRs in the epidermis as well as activation of downstream signaling pathways, including AKT/mTOR, STATs and MAPK. Topical application of the pan-FGFR inhibitor AZD4547 to mouse skin prior to exposure to UVB significantly inhibited FGFR phosphorylation as well as mTORC1, STAT3 and MAPK activation (i.e., phosphorylation). Moreover, AZD4547 pretreatment significantly inhibited UVB-induced epidermal hyperplasia and hyperproliferation and reduced infiltration of mast cells and macrophages into the dermis. AZD4547 treatment also significantly inhibited mRNA expression of inflammatory genes in the epidermis. Finally, mice treated topically with AZD4547 prior to UVB exposure showed decreased cSCC incidence and increased survival rate. Collectively, the current data supports the hypothesis that inhibition of FGFR in epidermis may provide a new strategy to prevent and/or treat UVB-induced cSCC.
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Affiliation(s)
- Megha A Thakur
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX. USA
| | - Alok R Khandelwal
- Department of Otolaryngology, Head and Neck Surgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA; Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Xin Gu
- Department of Pathology, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - Okkyung Rho
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX. USA
| | - Steve Carbajal
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX. USA
| | - Rima A Kandula
- Department of Otolaryngology, Head and Neck Surgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA
| | - John DiGiovanni
- Division of Pharmacology and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX. USA; LiveStrong Cancer Institutes, Dell Medical School, The University of Texas at Austin, Austin, TX, USA; Center for Molecular Carcinogenesis and Toxicology, College of Pharmacy, The University of Texas at Austin, Austin, TX USA
| | - Cherie-Ann O Nathan
- Department of Otolaryngology, Head and Neck Surgery, Louisiana State University Health Sciences Center, Shreveport, LA, USA; Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center, Shreveport, LA, USA; Department of Surgery, Overton Brooks Veterans Affairs Hospital, Shreveport, LA, USA.
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Pihl C, Togsverd-Bo K, Andersen F, Haedersdal M, Bjerring P, Lerche CM. Keratinocyte Carcinoma and Photoprevention: The Protective Actions of Repurposed Pharmaceuticals, Phytochemicals and Vitamins. Cancers (Basel) 2021; 13:cancers13153684. [PMID: 34359586 PMCID: PMC8345172 DOI: 10.3390/cancers13153684] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/16/2021] [Accepted: 07/18/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Keratinocyte carcinoma is the most common type of cancer. Sun exposure and ultraviolet radiation are significant contributors to the development of carcinogenesis, mediated by DNA damage, increased oxidative stress, inflammation, immunosuppression and dysregulated signal transduction. Photoprevention involves using different compounds to delay or prevent ultraviolet radiation-induced skin cancer. In this review, we look at new avenues for systemic photoprevention that are based on pharmaceuticals, plant-derived phytochemicals and vitamins. We also investigate the mechanisms underlying these strategies for preventing the onset of carcinogenesis. Abstract Ultraviolet radiation (UVR) arising from sun exposure represents a major risk factor in the development of keratinocyte carcinomas (KCs). UVR exposure induces dysregulated signal transduction, oxidative stress, inflammation, immunosuppression and DNA damage, all of which promote the induction and development of photocarcinogenesis. Because the incidence of KCs is increasing, better prevention strategies are necessary. In the concept of photoprevention, protective compounds are administered either topically or systemically to prevent the effects of UVR and the development of skin cancer. In this review, we provide descriptions of the pathways underlying photocarcinogenesis and an overview of selected photoprotective compounds, such as repurposed pharmaceuticals, plant-derived phytochemicals and vitamins. We discuss the protective potential of these compounds and their effects in pre-clinical and human trials, summarising the mechanisms of action involved in preventing photocarcinogenesis.
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Affiliation(s)
- Celina Pihl
- Department of Dermatology, Copenhagen University Hospital—Bispebjerg and Frederiksberg, 2400 Copenhagen, Denmark; (K.T.-B.); (M.H.); (C.M.L.)
- Department of Pharmacy, University of Copenhagen, 2100 Copenhagen, Denmark
- Correspondence:
| | - Katrine Togsverd-Bo
- Department of Dermatology, Copenhagen University Hospital—Bispebjerg and Frederiksberg, 2400 Copenhagen, Denmark; (K.T.-B.); (M.H.); (C.M.L.)
- Department of Clinical Medicine, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Flemming Andersen
- Department of Dermatology, Aalborg University Hospital, 9100 Aalborg, Denmark; (F.A.); (P.B.)
- Private Hospital Molholm, 7100 Vejle, Denmark
| | - Merete Haedersdal
- Department of Dermatology, Copenhagen University Hospital—Bispebjerg and Frederiksberg, 2400 Copenhagen, Denmark; (K.T.-B.); (M.H.); (C.M.L.)
- Department of Clinical Medicine, University of Copenhagen, 2100 Copenhagen, Denmark
| | - Peter Bjerring
- Department of Dermatology, Aalborg University Hospital, 9100 Aalborg, Denmark; (F.A.); (P.B.)
| | - Catharina Margrethe Lerche
- Department of Dermatology, Copenhagen University Hospital—Bispebjerg and Frederiksberg, 2400 Copenhagen, Denmark; (K.T.-B.); (M.H.); (C.M.L.)
- Department of Pharmacy, University of Copenhagen, 2100 Copenhagen, Denmark
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Kunchana K, Jarisarapurin W, Chularojmontri L, Wattanapitayakul SK. Potential Use of Amla ( Phyllanthus emblica L.) Fruit Extract to Protect Skin Keratinocytes from Inflammation and Apoptosis after UVB Irradiation. Antioxidants (Basel) 2021; 10:antiox10050703. [PMID: 33946757 PMCID: PMC8146754 DOI: 10.3390/antiox10050703] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/24/2021] [Accepted: 04/27/2021] [Indexed: 12/29/2022] Open
Abstract
Ultraviolet B (UVB) exposure is the primary risk factor for the deadliest type of skin cancer—melanoma. Incorporating natural antioxidants in skin protection products is currently a favored research theme. For this study, we selected Phyllanthus emblica L. fruit extract (PE) to assess its potential use in dermal protection against UVB-induced keratinocyte inflammation and apoptosis. High-performance liquid chromatography (HPLC) was used to investigate PE’s phytochemical constituents (ascorbic acid, ellagic acid, gallic acid, chlorogenic acid, and quercetin), while ferric reducing antioxidant power (FRAP), oxygen radical absorbance capacity (ORAC), total ROS, OH•, O2•−, and H2O2-scavenging activities were used to determine the antioxidant properties. PE significantly increased the cell viability (MTT assay) and reduced apoptosis (Hoechst staining) in HaCaT cells exposed to UVB (40 mJ/cm2). PE abolished oxidative stress by reducing the production of intracellular ROS, O2•− and H2O2 production. Catalase activity (but not superoxide dismutase or glutathione peroxidase activity) was enhanced in keratinocytes incubated with PE prior to UVB exposure. Western blot analysis suggested that PE inhibited cytochrome c release and inhibited the dysregulation of PI3K/Akt without any impact on p38 activation. PE attenuated the inflammatory response to UVB irradiation by inhibiting AP-1, NF-κB, and the mediator PGE2. Thus, PE is a candidate with great potential for use as an active ingredient in skin care products.
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Affiliation(s)
- Khwandow Kunchana
- Department of Pharmacology, Faculty of Medicine, Srinakharinwirot University, Bangkok 10110, Thailand; (K.K.); (W.J.)
| | - Wattanased Jarisarapurin
- Department of Pharmacology, Faculty of Medicine, Srinakharinwirot University, Bangkok 10110, Thailand; (K.K.); (W.J.)
| | - Linda Chularojmontri
- Department of Preclinical Sciences, Faculty of Medicine, Thammasat University, Khlong Luang, Pathum Thani 12121, Thailand;
| | - Suvara K. Wattanapitayakul
- Department of Pharmacology, Faculty of Medicine, Srinakharinwirot University, Bangkok 10110, Thailand; (K.K.); (W.J.)
- Correspondence: ; Tel.: +66-2649-5385
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