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Urrutia-Ortega IM, Valencia I, Ispanixtlahuatl-Meraz O, Benítez-Flores JC, Espinosa-González AM, Estrella-Parra EA, Flores-Ortiz CM, Chirino YI, Avila-Acevedo JG. Full-spectrum cannabidiol reduces UVB damage through the inhibition of TGF-β1 and the NLRP3 inflammasome. Photochem Photobiol 2024. [PMID: 38958000 DOI: 10.1111/php.13993] [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: 04/30/2024] [Revised: 06/11/2024] [Accepted: 06/13/2024] [Indexed: 07/04/2024]
Abstract
The thermodynamic characteristics, antioxidant potential, and photoprotective benefits of full-spectrum cannabidiol (FS-CBD) against UVB-induced cellular death were examined in this study. In silico analysis of CBD showed antioxidant capacity via proton donation and UV absorption at 209.09, 254.73, and 276.95 nm, according to the HAT and SPLET methodologies. FS-CBD protected against UVB-induced bacterial death for 30 min. FS-CBD protected against UVB-induced cell death by 42% (1.5 μg/mL) and 35% (3.5 μg/mL) in an in vitro keratinocyte cell model. An in vivo acute irradiated CD-1et/et mouse model (UVB-irradiated for 5 min) presented very low photoprotection when FS-CBD was applied cutaneously, as determined by histological analyses. In vivo skin samples showed that FS-CBD regulated inflammatory responses by inhibiting the inflammatory markers TGF-β1 and NLRP3. The docking analysis showed that the CBD molecule had a high affinity for TGF-β1 and NLRP3, indicating that protection against inflammation might be mediated by blocking these proinflammatory molecules. This result was corroborated by the docking interactions between CBD and TGF-β1 and NLRP3, which resulted in a high affinity and inhibition of both proteins The present work suggested a FS-CBD moderate photoprotective agent against UVB light-induced skin damage and that this effect is partially mediated by its anti-inflammatory activity.
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Affiliation(s)
- I M Urrutia-Ortega
- Laboratorio de Carcinogénesis y Toxicología, Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
- Laboratorio de Fitoquímica, Unidad de Biotecnología y Prototipos, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
| | - I Valencia
- Laboratorio de Fitoquímica, Unidad de Biotecnología y Prototipos, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
| | - O Ispanixtlahuatl-Meraz
- Laboratorio de Carcinogénesis y Toxicología, Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
| | - J C Benítez-Flores
- Laboratorio de Histología, Unidad de Morfología y Función, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
| | - A M Espinosa-González
- Laboratorio de Fitoquímica, Unidad de Biotecnología y Prototipos, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
| | - E A Estrella-Parra
- Laboratorio de Fitoquímica, Unidad de Biotecnología y Prototipos, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
| | - C M Flores-Ortiz
- Laboratorio de Fisiología Vegetal, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
- Laboratorio Nacional en Salud, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
| | - Y I Chirino
- Laboratorio de Carcinogénesis y Toxicología, Unidad de Investigación en Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
| | - J G Avila-Acevedo
- Laboratorio de Fitoquímica, Unidad de Biotecnología y Prototipos, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla de Baz, Estado de México, Mexico
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Suzuki T, Komaki Y, Amano M, Ando S, Shobu K, Ibuki Y. Faulty Gap Filling in Nucleotide Excision Repair Leads to Double-Strand Break Formation in Senescent Cells. J Invest Dermatol 2024:S0022-202X(24)01729-9. [PMID: 38871024 DOI: 10.1016/j.jid.2024.04.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 04/19/2024] [Accepted: 04/25/2024] [Indexed: 06/15/2024]
Abstract
The change of repair efficiency of UV-induced pyrimidine dimers due to aging was examined in replicatively senesced fibroblasts. The fibroblasts with repeated passages showed the characteristics of cellular senescence, including irreversible cell cycle arrest, elevated β-galactosidase activity, and senescence-associated secretory phenotype. The incision efficiency of oligonucleotide containing UV lesions was similar regardless of cell doubling levels, but the gap filling process was impaired in replicatively senescent cells. The releases of xeroderma pigmentosum group G, proliferating cell nuclear antigen, and replication protein A from damaged sites were delayed, which might have disturbed the DNA polymerase progression. The persistent single-stranded DNA was likely converted to double-strand breaks, leading to ataxia telangiectasia-mutated phosphorylation and 53BP1 foci formation. Phosphorylated histone H2AX (γ-H2AX) induction mainly occurred in G1 phase in senescent cells, not in S phase such as in normal cells, indicating that replication stress-independent double-strand breaks might be formed. MRE11 having nuclease activity accumulated to damaged sites at early time point after UV irradiation but not released in senescent cells. The pharmacological studies using specific inhibitors for the nuclease activity suggested that MRE11 contributed to the enlargement of single-stranded DNA gap, facilitating the double-strand break formation.
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Affiliation(s)
- Takashi Suzuki
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan
| | - Yukako Komaki
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan
| | - Momoka Amano
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan
| | - Satoko Ando
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan
| | - Kosuke Shobu
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan
| | - Yuko Ibuki
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan.
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Jansen FM, den Broeder N, Lubeek SFK, Savelkoul EHJ, Marcus CM, Hoentjen F, van Dop WA. Cumulative thiopurine dosing and keratinocyte skin cancer in inflammatory bowel disease: a case-control study. Eur J Gastroenterol Hepatol 2023; 35:1123-1130. [PMID: 37665613 DOI: 10.1097/meg.0000000000002617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
BACKGROUND AND AIM Patients with inflammatory bowel disease (IBD) treated with thiopurines are at increased risk of keratinocyte skin cancer (KSC). Most international guidelines recommend yearly dermatological screening of thiopurine-treated patients. Whether the association between the development of KSC and the use of thiopurines is dose-dependent remains unclear. The aim of this study was to investigate the association between the cumulative thiopurine dose and KSC development in patients with IBD which can be helpful to assist in further skin cancer risk stratification and personalization of screening recommendations in patients with IBD. METHODS We performed a single-center case-control study, including patients with IBD with and without a history of KSC (cases and controls, respectively). The primary outcome was the association of cumulative azathioprine, mercaptopurine and thioguanine dose with KSC development. Univariable and multivariable logistic regression analyses were performed, the latter corrected for age and smoking, known risk factors of KSC. RESULTS We included 50 cases and 150 controls, predominantly white population. Age and current azathioprine use were univariably significantly associated with KSC development. In multivariable logistic regression analyses, age at inclusion remained significantly associated. Cumulative doses of thiopurines (separate or combined) or duration of thiopurine use did not impact KSC risk, also after correcting for age and smoking. CONCLUSION Cumulative thiopurine dose and duration did not show an association with KSC development. Future KSC risk stratification, based on all available KSC risk factors, may aid in selecting individuals who can benefit most from dermatologic screening programs.
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Affiliation(s)
- Fenna M Jansen
- Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences
| | - Nathan den Broeder
- Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences
| | - Satish F K Lubeek
- Department of Dermatology, Radboud University Medical Centre, Nijmegen, The Netherlands
| | - Edo H J Savelkoul
- Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences
| | - Carlijne M Marcus
- Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences
| | - Frank Hoentjen
- Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences
- Division of Gastroenterology, Department of Medicine, University of Alberta, Edmonton, Canada
| | - Willemijn A van Dop
- Department of Gastroenterology and Hepatology, Radboud University Medical Centre, Radboud Institute for Molecular Life Sciences
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Chu J, Xiang Y, Lin X, He M, Wang Y, Ma Q, Duan J, Sun S. Handelin protects human skin keratinocytes against ultraviolet B-induced photodamage via autophagy activation by regulating the AMPK-mTOR signaling pathway. Arch Biochem Biophys 2023; 743:109646. [PMID: 37225010 DOI: 10.1016/j.abb.2023.109646] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 05/11/2023] [Accepted: 05/22/2023] [Indexed: 05/26/2023]
Abstract
Handelin is a natural ingredient extracted from Chrysanthemum boreale flowers that has been shown to decrease stress-related cell death, prolong lifespan, and promote anti-photoaging. However, whether handelin inhibits ultraviolet (UV) B stress-induced photodamage remains unclear. In the present study, we investigate whether handelin has protective properties on skin keratinocytes under UVB irradiation. Human immortalized keratinocytes (HaCaT keratinocytes) were pretreated with handelin for 12 h before UVB irradiation. The results indicated that handelin protects keratinocytes against UVB-induced photodamage by activating autophagy. However, the photoprotective effect of handelin was suppressed by an autophagic inhibitor (wortmannin) or the transfection of keratinocytes with a small interfering RNA targeting ATG5. Notably, handelin reduced mammalian target of rapamycin (mTOR) activity in UVB-irradiated cells in a manner similar to that shown by the mTOR inhibitor rapamycin. Adenosine monophosphate-activated protein kinase (AMPK) activity was also induced by handelin in UVB-damaged keratinocytes. Finally, certain effects of handelin, including autophagy induction, mTOR activity inhibition, AMPK activation, and reduction of cytotoxicity, were suppressed by an AMPK inhibitor (compound C). Our data suggest that handelin effectively prevents photodamage by protecting skin keratinocytes against UVB-induced cytotoxicity via the regulation of AMPK/mTOR-mediated autophagy. These findings provide novel insights that can aid the development of therapeutic agents against UVB-induced keratinocyte photodamage.
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Affiliation(s)
- Jimin Chu
- School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Yang Xiang
- Metabolic Control and Aging, Human Aging Research Institute (HARI), Jiangxi Key Laboratory of Human Aging, School of Life Science, Nanchang University, Nanchang, 330031, Jiangxi, China
| | - Xianghong Lin
- School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Miao He
- School of Pharmacy, Dali University, Dali, 671013, Yunnan, China
| | - Yan Wang
- Medical Cosmetology Teaching and Research Section, School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Qiong Ma
- Medical Cosmetology Teaching and Research Section, School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Jingxian Duan
- Medical Cosmetology Teaching and Research Section, School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China
| | - Sunjiao Sun
- Medical Cosmetology Teaching and Research Section, School of Clinical Medicine, Dali University, Dali, 671013, Yunnan, China.
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Gag O, Dinu Ș, Manea H, Marcovici I, Pînzaru I, Popovici R, Crăiniceanu Z, Gyori Z, Iovănescu G, Chiriac S. UVA/UVB Irradiation Exerts a Distinct Phototoxic Effect on Human Keratinocytes Compared to Human Malignant Melanoma Cells. Life (Basel) 2023; 13:life13051144. [PMID: 37240789 DOI: 10.3390/life13051144] [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: 03/29/2023] [Revised: 04/27/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023] Open
Abstract
Solar ultraviolet radiation (UVR) is responsible for the development of many skin diseases, including malignant melanoma (MM). This study assessed the phototoxic effects of UVA, and UVB radiations on healthy and pathologic skin cells by evaluating the behavior of human keratinocytes (HaCaT) and MM cells (A375) at 24 h post-irradiation. The main results showed that UVA 10 J/cm2 exerted no cytotoxicity on HaCaT and A375 cells, while UVB 0.5 J/cm2 significantly reduced cell viability and confluence, induced cell shrinkage and rounding, generated nuclear and F-actin condensation, and induced apoptosis by modulating the expressions of Bax and Bcl-2. The association of UVA 10 J/cm2 with UVB 0.5 J/cm2 (UVA/UVB) induced the highest cytotoxicity in both cell lines (viability < 40%). However, the morphological changes were different-HaCaT cells showed signs of necrosis, while in A375 nuclear polarization and expulsion from the cells were observed, features that indicate enucleation. By unraveling the impact of different UVR treatments on the behavior of normal and cancer skin cells and describing enucleation as a novel process involved in the cytotoxicity of UVA/UVB irradiation, these findings bridge the gap between the current and the future status of research in the field.
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Affiliation(s)
- Otilia Gag
- Faculty of Dental Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Ștefania Dinu
- Faculty of Dental Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Horațiu Manea
- Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Iasmina Marcovici
- Faculty of Pharmacy, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
- Research Center for Pharmaco-Toxicological Evaluations, Faculty of Pharmacy, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Iulia Pînzaru
- Faculty of Pharmacy, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
- Research Center for Pharmaco-Toxicological Evaluations, Faculty of Pharmacy, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Ramona Popovici
- Faculty of Dental Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Zorin Crăiniceanu
- Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Zsolt Gyori
- Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Gheorghe Iovănescu
- Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
| | - Sorin Chiriac
- Faculty of Medicine, "Victor Babes" University of Medicine and Pharmacy Timisoara, Eftimie Murgu Square No.2, 300041 Timisoara, Romania
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Komaki Y, Ono S, Okuya T, Ibuki Y. Glucose starvation impairs NER and γ-H2AX after UVB irradiation. Toxicol In Vitro 2023; 86:105503. [DOI: 10.1016/j.tiv.2022.105503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 09/12/2022] [Accepted: 10/17/2022] [Indexed: 11/07/2022]
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Tanaka M, Komaki Y, Toyooka T, Ibuki Y. Butyrate Enhances γ-H2AX Induced by Benzo[ a]pyrene. Chem Res Toxicol 2022; 35:2241-2251. [PMID: 36399157 DOI: 10.1021/acs.chemrestox.2c00238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Benzo[a]pyrene (BaP) is known to form DNA adduct following metabolic activation, which causes phosphorylation of histone H2AX (γ-H2AX). Recent studies have shown that histone deacetylase (HDAC) inhibitors enhanced BaP-induced CYP1A1 gene expression. In this study, we examined the relationship between the HDAC inhibitor-augmented metabolic activation and BaP-induced γ-H2AX. Sodium butyrate (SB), a typical HDAC inhibitor, enhanced BaP-induced γ-H2AX. The enhanced DNA damage was further confirmed by biased sinusoidal field gel electrophoresis, which detects DNA double-strand breaks. SB remarkably augmented BaP-induced CYP1A1 gene expression, and CYP1A1-overexpressing cells showed elevated generation of γ-H2AX. Furthermore, SB enhanced intracellular oxidation after treatment with BaP. These results suggested that SB-induced CYP1A1 upregulation facilitated BaP metabolism, which might result in excess DNA adducts or oxidative DNA damages, leading to augmentation of γ-H2AX.
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Affiliation(s)
- Miki Tanaka
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Yada 52-1, Suruga-ku, Shizuoka 422-8526, Japan
| | - Yukako Komaki
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Yada 52-1, Suruga-ku, Shizuoka 422-8526, Japan
| | - Tatsushi Toyooka
- National Institute of Occupational Safety and Health, 6-21-1 Nagao, Tama-ku, Kawasaki 214-8585, Japan
| | - Yuko Ibuki
- Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Yada 52-1, Suruga-ku, Shizuoka 422-8526, Japan
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Douki T, Buhot A. Synergistic or Antagonist Effects of Different UV Ranges Analyzed by the Combination Index: Application to DNA Photoproducts †. Photochem Photobiol 2021; 98:649-661. [PMID: 34555202 DOI: 10.1111/php.13528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 09/21/2021] [Indexed: 11/30/2022]
Abstract
Photobiological effects are known to greatly depend on the wavelength of the incident photons that define the nature of the activated chromophores. A growing number of experimental data show that considering the effect of complex light sources as a sum of the effects of monochromatic exposures can be misleading. Indeed, the combined exposure to several wavelength ranges may modulate photobiological responses or even induce novel processes. These observations are similar to a well-known topic in chemical toxicology: the nonadditivity of effects in mixtures where either antagonism or synergy are often observed. In the present work, we investigated whether a data analysis tool first developed for studying nonadditivity in mixtures of drugs, the combination index, could be applied to photobiological processes. We chose to work on the formation of UV-induced DNA photoproducts where additive, antagonist, and synergistic effects take place simultaneously. In addition to this application, we worked on the mathematical bases of the concept in order to broaden its applicability to phenomena exhibiting various dose-response patterns. We also addressed the question of the evaluation of the error on the determination of the combination index.
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Affiliation(s)
- Thierry Douki
- Univ. of Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, Grenoble Cedex 9, France
| | - Arnaud Buhot
- Univ. of Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, Grenoble Cedex 9, France
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