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Esteban-Martos A, Brokate-Llanos AM, Real LM, Melgar-Locatelli S, de Rojas I, Castro-Zavala A, Bravo MJ, Mañas-Padilla MDC, García-González P, Ruiz-Galdon M, Pacheco-Sánchez B, Polvillo R, Rodriguez de Fonseca F, González I, Castilla-Ortega E, Muñoz MJ, Rivera P, Reyes-Engel A, Ruiz A, Royo JL. A Functional Pipeline of Genome-Wide Association Data Leads to Midostaurin as a Repurposed Drug for Alzheimer's Disease. Int J Mol Sci 2023; 24:12079. [PMID: 37569459 PMCID: PMC10418421 DOI: 10.3390/ijms241512079] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Genome-wide association studies (GWAS) constitute a powerful tool to identify the different biochemical pathways associated with disease. This knowledge can be used to prioritize drugs targeting these routes, paving the road to clinical application. Here, we describe DAGGER (Drug Repositioning by Analysis of GWAS and Gene Expression in R), a straightforward pipeline to find currently approved drugs with repurposing potential. As a proof of concept, we analyzed a meta-GWAS of 1.6 × 107 single-nucleotide polymorphisms performed on Alzheimer's disease (AD). Our pipeline uses the Genotype-Tissue Expression (GTEx) and Drug Gene Interaction (DGI) databases for a rational prioritization of 22 druggable targets. Next, we performed a two-stage in vivo functional assay. We used a C. elegans humanized model over-expressing the Aβ1-42 peptide. We assayed the five top-scoring candidate drugs, finding midostaurin, a multitarget protein kinase inhibitor, to be a protective drug. Next, 3xTg AD transgenic mice were used for a final evaluation of midostaurin's effect. Behavioral testing after three weeks of 20 mg/kg intraperitoneal treatment revealed a significant improvement in behavior, including locomotion, anxiety-like behavior, and new-place recognition. Altogether, we consider that our pipeline might be a useful tool for drug repurposing in complex diseases.
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Affiliation(s)
- Alvaro Esteban-Martos
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Boulevard Louis Pasteur s/n, 29071 Malaga, Spain; (A.E.-M.); (L.M.R.); (M.J.B.); (M.R.-G.); (I.G.); (A.R.-E.)
| | - Ana Maria Brokate-Llanos
- Departamento de Biología Molecular e Ingeniería Bioquímica, Centro Andaluz de Biología del Desarrollo (CABD), Universidad Pablo de Olavide (UPO), UPO/CSIC/JA, Ctra Utrera Km1, 41013 Sevilla, Spain; (A.M.B.-L.); (R.P.); (M.J.M.)
| | - Luis Miguel Real
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Boulevard Louis Pasteur s/n, 29071 Malaga, Spain; (A.E.-M.); (L.M.R.); (M.J.B.); (M.R.-G.); (I.G.); (A.R.-E.)
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), 28029 Madrid, Spain
| | - Sonia Melgar-Locatelli
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Malaga, Spain; (S.M.-L.); (A.C.-Z.); (M.d.C.M.-P.); (B.P.-S.); (F.R.d.F.); (E.C.-O.); (P.R.)
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Facultad de Psicología, Universidad de Málaga, 29071 Malaga, Spain
| | - Itziar de Rojas
- Research Center and Memory Clinic, Ace Alzheimer Center Barcelona—Universitat Internacional de Catalunya, 08017 Barcelona, Spain; (I.d.R.); (P.G.-G.); (A.R.)
- Network Center for Biomedical Research in Neurodegenerative Diseases (CIBERNED), National Institute of Health Carlos III, 28029 Madrid, Spain
| | - Adriana Castro-Zavala
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Malaga, Spain; (S.M.-L.); (A.C.-Z.); (M.d.C.M.-P.); (B.P.-S.); (F.R.d.F.); (E.C.-O.); (P.R.)
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Facultad de Psicología, Universidad de Málaga, 29071 Malaga, Spain
| | - Maria Jose Bravo
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Boulevard Louis Pasteur s/n, 29071 Malaga, Spain; (A.E.-M.); (L.M.R.); (M.J.B.); (M.R.-G.); (I.G.); (A.R.-E.)
| | - Maria del Carmen Mañas-Padilla
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Malaga, Spain; (S.M.-L.); (A.C.-Z.); (M.d.C.M.-P.); (B.P.-S.); (F.R.d.F.); (E.C.-O.); (P.R.)
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Facultad de Psicología, Universidad de Málaga, 29071 Malaga, Spain
| | - Pablo García-González
- Research Center and Memory Clinic, Ace Alzheimer Center Barcelona—Universitat Internacional de Catalunya, 08017 Barcelona, Spain; (I.d.R.); (P.G.-G.); (A.R.)
- Network Center for Biomedical Research in Neurodegenerative Diseases (CIBERNED), National Institute of Health Carlos III, 28029 Madrid, Spain
| | - Maximiliano Ruiz-Galdon
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Boulevard Louis Pasteur s/n, 29071 Malaga, Spain; (A.E.-M.); (L.M.R.); (M.J.B.); (M.R.-G.); (I.G.); (A.R.-E.)
| | - Beatriz Pacheco-Sánchez
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Malaga, Spain; (S.M.-L.); (A.C.-Z.); (M.d.C.M.-P.); (B.P.-S.); (F.R.d.F.); (E.C.-O.); (P.R.)
- Unidad de Gestion Clinica de Salud Mental, Hospital Universitario Regional de Malaga, 29010 Malaga, Spain
| | - Rocío Polvillo
- Departamento de Biología Molecular e Ingeniería Bioquímica, Centro Andaluz de Biología del Desarrollo (CABD), Universidad Pablo de Olavide (UPO), UPO/CSIC/JA, Ctra Utrera Km1, 41013 Sevilla, Spain; (A.M.B.-L.); (R.P.); (M.J.M.)
| | - Fernando Rodriguez de Fonseca
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Malaga, Spain; (S.M.-L.); (A.C.-Z.); (M.d.C.M.-P.); (B.P.-S.); (F.R.d.F.); (E.C.-O.); (P.R.)
- Unidad de Gestion Clinica de Salud Mental, Hospital Universitario Regional de Malaga, 29010 Malaga, Spain
| | - Irene González
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Boulevard Louis Pasteur s/n, 29071 Malaga, Spain; (A.E.-M.); (L.M.R.); (M.J.B.); (M.R.-G.); (I.G.); (A.R.-E.)
| | - Estela Castilla-Ortega
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Malaga, Spain; (S.M.-L.); (A.C.-Z.); (M.d.C.M.-P.); (B.P.-S.); (F.R.d.F.); (E.C.-O.); (P.R.)
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Facultad de Psicología, Universidad de Málaga, 29071 Malaga, Spain
| | - Manuel J. Muñoz
- Departamento de Biología Molecular e Ingeniería Bioquímica, Centro Andaluz de Biología del Desarrollo (CABD), Universidad Pablo de Olavide (UPO), UPO/CSIC/JA, Ctra Utrera Km1, 41013 Sevilla, Spain; (A.M.B.-L.); (R.P.); (M.J.M.)
| | - Patricia Rivera
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina-IBIMA Plataforma BIONAND, 29590 Malaga, Spain; (S.M.-L.); (A.C.-Z.); (M.d.C.M.-P.); (B.P.-S.); (F.R.d.F.); (E.C.-O.); (P.R.)
- Unidad de Gestion Clinica de Salud Mental, Hospital Universitario Regional de Malaga, 29010 Malaga, Spain
| | - Armando Reyes-Engel
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Boulevard Louis Pasteur s/n, 29071 Malaga, Spain; (A.E.-M.); (L.M.R.); (M.J.B.); (M.R.-G.); (I.G.); (A.R.-E.)
| | - Agustin Ruiz
- Research Center and Memory Clinic, Ace Alzheimer Center Barcelona—Universitat Internacional de Catalunya, 08017 Barcelona, Spain; (I.d.R.); (P.G.-G.); (A.R.)
- Network Center for Biomedical Research in Neurodegenerative Diseases (CIBERNED), National Institute of Health Carlos III, 28029 Madrid, Spain
| | - Jose Luis Royo
- Department of Surgery, Biochemistry and Immunology, School of Medicine, University of Malaga, Boulevard Louis Pasteur s/n, 29071 Malaga, Spain; (A.E.-M.); (L.M.R.); (M.J.B.); (M.R.-G.); (I.G.); (A.R.-E.)
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Liu YR, Wang JQ, Li XF, Chen H, Xia Q, Li J. Identification and preliminary validation of synovial tissue-specific genes and their-mediated biological mechanisms in rheumatoid arthritis. Int Immunopharmacol 2023; 117:109997. [PMID: 36940554 DOI: 10.1016/j.intimp.2023.109997] [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: 12/19/2022] [Revised: 02/15/2023] [Accepted: 03/06/2023] [Indexed: 03/23/2023]
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease. It is well known that the formation of positive feedback between synovial hyperplasia and inflammatory infiltration is intimately associated with the occurrence and development of RA. However, the exact mechanisms still remain unknown, making the early diagnosis and therapy of RA difficult. This study was designed to identify prospective diagnostic and therapeutic biomarkers, as well as their-mediated biological mechanisms in RA. METHODS Three microarray datasets (GSE36700, GSE77298 and GSE153015) and two RNA-sequencing datasets (GSE89408 and GSE112656) of synovial tissues, as well as three other microarray datasets (GSE101193, GSE134087 and GSE94519) of peripheral blood were downloaded for integrated analysis. The differently expressed genes (DEGs) were identified by "limma" package of R software. Then, weight gene co-expression analysis and gene set enrichment analysis were performed to investigate synovial tissue-specific genes and their-mediated biological mechanisms in RA. The expression of candidate genes and their diagnostic value for RA were verified by quantitative real-time PCR and receiver operating characteristic (ROC) curve, respectively. Relevant biological mechanisms were explored through cell proliferation and colony formation assay. The suggestive anti-RA compounds were discovered by CMap analysis. RESULTS We identified a total of 266 DEGs, which were mainly enriched in cellular proliferation and migration, infection and inflammatory immune signaling pathways. Bioinformatics analysis and molecular validation revealed 5 synovial tissue-specific genes, which exhibited excellent diagnostic value for RA. The infiltration level of immune cells in RA synovial tissue was significantly higher than that in control individuals. Moreover, preliminary molecular experiments suggested that these characteristic genes may be responsible for the high proliferation potential of RA fibroblast-like synoviocytes (FLSs). Finally, 8 small molecular compounds with anti-RA potential were obtained. CONCLUSIONS We have proposed 5 potential diagnostic and therapeutic biomarkers (CDK1, TTK, HMMR, DLGAP5, and SKA3) in synovial tissues that may contribute to the pathogenesis of RA. These findings may shed light on the early diagnosis and therapy of RA.
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Affiliation(s)
- Ya-Ru Liu
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China; The Grade 3 Pharmaceutical Chemistry Laboratory of State Administration of Traditional Chinese Medicine, Hefei 230022, China.
| | - Jie-Quan Wang
- Department of Pharmacy, Affiliated Psychological Hospital of Anhui Medical University, Hefei 230000, China; Psychopharmacology Research Laboratory, Anhui Mental Health Center, Hefei 230000, China; Department of Pharmacy, Hefei Fourth People's Hospital, Hefei 230000, China
| | - Xiao-Feng Li
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Hao Chen
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China; The Grade 3 Pharmaceutical Chemistry Laboratory of State Administration of Traditional Chinese Medicine, Hefei 230022, China
| | - Quan Xia
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China; The Grade 3 Pharmaceutical Chemistry Laboratory of State Administration of Traditional Chinese Medicine, Hefei 230022, China.
| | - Jun Li
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China.
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Quadri M, Marconi A, Sandhu SK, Kiss A, Efimova T, Palazzo E. Investigating Cutaneous Squamous Cell Carcinoma in vitro and in vivo: Novel 3D Tools and Animal Models. Front Med (Lausanne) 2022; 9:875517. [PMID: 35646967 PMCID: PMC9131878 DOI: 10.3389/fmed.2022.875517] [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: 02/14/2022] [Accepted: 04/19/2022] [Indexed: 12/07/2022] Open
Abstract
Cutaneous Squamous Cell Carcinoma (cSCC) represents the second most common type of skin cancer, which incidence is continuously increasing worldwide. Given its high frequency, cSCC represents a major public health problem. Therefore, to provide the best patients’ care, it is necessary having a detailed understanding of the molecular processes underlying cSCC development, progression, and invasion. Extensive efforts have been made in developing new models allowing to study the molecular pathogenesis of solid tumors, including cSCC tumors. Traditionally, in vitro studies were performed with cells grown in a two-dimensional context, which, however, does not represent the complexity of tumor in vivo. In the recent years, new in vitro models have been developed aiming to mimic the three-dimensionality (3D) of the tumor, allowing the evaluation of tumor cell-cell and tumor-microenvironment interaction in an in vivo-like setting. These models include spheroids, organotypic cultures, skin reconstructs and organoids. Although 3D models demonstrate high potential to enhance the overall knowledge in cancer research, they lack systemic components which may be solved only by using animal models. Zebrafish is emerging as an alternative xenotransplant model in cancer research, offering a high-throughput approach for drug screening and real-time in vivo imaging to study cell invasion. Moreover, several categories of mouse models were developed for pre-clinical purpose, including xeno- and syngeneic transplantation models, autochthonous models of chemically or UV-induced skin squamous carcinogenesis, and genetically engineered mouse models (GEMMs) of cSCC. These models have been instrumental in examining the molecular mechanisms of cSCC and drug response in an in vivo setting. The present review proposes an overview of in vitro, particularly 3D, and in vivo models and their application in cutaneous SCC research.
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Affiliation(s)
- Marika Quadri
- DermoLAB, Department of Surgical, Medical, Dental and Morphological Science, University of Modena and Reggio Emilia, Modena, Italy
| | - Alessandra Marconi
- DermoLAB, Department of Surgical, Medical, Dental and Morphological Science, University of Modena and Reggio Emilia, Modena, Italy
| | - Simran K Sandhu
- Department of Anatomy and Cell Biology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,The George Washington Cancer Center, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,Department of Dermatology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Alexi Kiss
- Department of Anatomy and Cell Biology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,The George Washington Cancer Center, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Tatiana Efimova
- Department of Anatomy and Cell Biology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,The George Washington Cancer Center, George Washington University School of Medicine and Health Sciences, Washington, DC, United States.,Department of Dermatology, George Washington University School of Medicine and Health Sciences, Washington, DC, United States
| | - Elisabetta Palazzo
- DermoLAB, Department of Surgical, Medical, Dental and Morphological Science, University of Modena and Reggio Emilia, Modena, Italy
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Peng SY, Tang JY, Li RN, Huang HW, Wu CY, Chiu CC, Chang FR, Zhang HW, Lee YJ, Sheu JH, Chang HW. Oxidative Stress-Dependent Synergistic Antiproliferation, Apoptosis, and DNA Damage of Ultraviolet-C and Coral-Derived Sinularin Combined Treatment for Oral Cancer Cells. Cancers (Basel) 2021; 13:cancers13102450. [PMID: 34070049 PMCID: PMC8158103 DOI: 10.3390/cancers13102450] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/06/2021] [Accepted: 05/14/2021] [Indexed: 12/19/2022] Open
Abstract
Combined treatment is increasingly used to improve cancer therapy. Non-ionizing radiation ultraviolet-C (UVC) and sinularin, a coral Sinularia flexibilis-derived cembranolide, were separately reported to provide an antiproliferation function to some kinds of cancer cells. However, an antiproliferation function using the combined treatment of UVC/sinularin has not been investigated as yet. This study aimed to examine the combined antiproliferation function and explore the combination of UVC/sinularin in oral cancer cells compared to normal oral cells. Regarding cell viability, UVC/sinularin displays the synergistic and selective killing of two oral cancer cell lines, but remains non-effective for normal oral cell lines compared to treatments in terms of MTS and ATP assays. In tests using the flow cytometry, luminescence, and Western blotting methods, UVC/sinularin-treated oral cancer cells exhibited higher reactive oxygen species production, mitochondrial superoxide generation, mitochondrial membrane potential destruction, annexin V, pan-caspase, caspase 3/7, and cleaved-poly (ADP-ribose) polymerase expressions than that in normal oral cells. Accordingly, oxidative stress and apoptosis are highly induced in a combined UVC/sinularin treatment. Moreover, UVC/sinularin treatment provides higher G2/M arrest and γH2AX/8-hydroxyl-2'deoxyguanosine-detected DNA damages in oral cancer cells than in the separate treatments. A pretreatment can revert all of these changes of UVC/sinularin treatment with the antioxidant N-acetylcysteine. Taken together, UVC/sinularin acting upon oral cancer cells exhibits a synergistic and selective antiproliferation ability involving oxidative stress-dependent apoptosis and cellular DNA damage with low toxic side effects on normal oral cells.
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Affiliation(s)
- Sheng-Yao Peng
- PhD Program in Life Science, Department of Biomedical Science and Environmental Biology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-Y.P.); (R.-N.L.)
| | - Jen-Yang Tang
- School of Post-Baccalaureate Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
| | - Ruei-Nian Li
- PhD Program in Life Science, Department of Biomedical Science and Environmental Biology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-Y.P.); (R.-N.L.)
| | - Hurng-Wern Huang
- Institute of Biomedical Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;
| | - Chang-Yi Wu
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (F.-R.C.); (Y.-J.L.)
| | - Hong-Wei Zhang
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;
| | - Yun-Jou Lee
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (F.-R.C.); (Y.-J.L.)
| | - Jyh-Horng Sheu
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan;
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan
- Frontier Center for Ocean Science and Technology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Correspondence: (J.-H.S.); (H.-W.C.); Tel.: +886-7-525-2000 (ext. 5030) (J.-H.S.); +886-7-312-1101 (ext. 2691) (H.-W.C.)
| | - Hsueh-Wei Chang
- PhD Program in Life Science, Department of Biomedical Science and Environmental Biology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-Y.P.); (R.-N.L.)
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Correspondence: (J.-H.S.); (H.-W.C.); Tel.: +886-7-525-2000 (ext. 5030) (J.-H.S.); +886-7-312-1101 (ext. 2691) (H.-W.C.)
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Peng SY, Wang YY, Lan TH, Lin LC, Yuan SSF, Tang JY, Chang HW. Low Dose Combined Treatment with Ultraviolet-C and Withaferin a Enhances Selective Killing of Oral Cancer Cells. Antioxidants (Basel) 2020; 9:antiox9111120. [PMID: 33202766 PMCID: PMC7697686 DOI: 10.3390/antiox9111120] [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: 10/15/2020] [Revised: 11/07/2020] [Accepted: 11/11/2020] [Indexed: 12/16/2022] Open
Abstract
Withaferin A (WFA), a Withania somnifera-derived triterpenoid, is an anticancer natural product. The anticancer effect of nonionizing radiation such as ultraviolet-C (UVC) as well as the combined treatment of UVC and WFA is rarely investigated. Low dose UVC and/or WFA treatments (12 J/m2 and/or 1 μM) were chosen to evaluate antioral cancer cell line effects by examining cytotoxicity, cell cycle disruption, apoptosis induction, and DNA damage. For two cancer cell lines (Ca9-22 and HSC-3), single treatment (UVC or WFA) showed about 80% viability, while a combined treatment of UVC/WFA showed about 40% viability. In contrast, there was noncytotoxicity to normal oral cell lines (HGF-1). Compared to single treatment and control, low dose UVC/WFA shows high inductions of apoptosis in terms of flow cytometric detections for subG1, annexin V, pancaspase changes as well as Western blotting for detecting cleaved poly (ADP-ribose) polymerase (c-PARP) and caspase 3 (c-Cas 3) and luciferase assay for detecting Cas 3/7 activity. Low dose UVC/WFA also showed high inductions of oxidative stress and DNA damage in terms of flow cytometric detections of reactive oxygen species (ROS), mitochondrial superoxide (MitoSOX) generation, and membrane potential (MitoMP) destruction, γH2AX and 8-oxo-2’deoxyguanosine (8-oxodG) types of DNA damages. For comparison, low dose UVC/WFA show rare inductions of annexin V, Cas 3/7 activity, ROS, MitoSOX, and MitoMP changes to normal oral HGF-1 cells. Therefore, low dose UVC/WFA provides a novel selectively killing mechanism to oral cancer cells, suggesting that WFA is a UVC sensitizer to inhibit the proliferation of oral cancer cells.
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Affiliation(s)
- Sheng-Yao Peng
- Department of Biomedical Science and Environmental Biology, PhD Program in Life Science, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Yen-Yun Wang
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (Y.-Y.W.); (T.-H.L.)
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
| | - Ting-Hsun Lan
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (Y.-Y.W.); (T.-H.L.)
- Division of Prosthodontics, Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Li-Ching Lin
- Department of Radiation Oncology, Chi-Mei Foundation Medical Center, Tainan 71004, Taiwan;
- School of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Chung Hwa University Medical Technology, Tainan 71703, Taiwan
| | - Shyng-Shiou F. Yuan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Translational Research Center, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
| | - Jen-Yang Tang
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Correspondence: (J.-Y.T.); (H.-W.C.); Tel.: +886-7-312-1101 (ext. 8105) (J.-Y.T.); +886-7-312-1101 (ext. 2691) (H.-W.C.)
| | - Hsueh-Wei Chang
- Department of Biomedical Science and Environmental Biology, PhD Program in Life Science, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Correspondence: (J.-Y.T.); (H.-W.C.); Tel.: +886-7-312-1101 (ext. 8105) (J.-Y.T.); +886-7-312-1101 (ext. 2691) (H.-W.C.)
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Peng SY, Lin LC, Yang ZW, Chang FR, Cheng YB, Tang JY, Chang HW. Combined Treatment with Low Cytotoxic Ethyl Acetate Nepenthes Extract and Ultraviolet-C Improves Antiproliferation to Oral Cancer Cells via Oxidative Stress. Antioxidants (Basel) 2020; 9:antiox9090876. [PMID: 32948007 PMCID: PMC7555961 DOI: 10.3390/antiox9090876] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 09/13/2020] [Accepted: 09/15/2020] [Indexed: 12/22/2022] Open
Abstract
Ultraviolet-C (UVC) irradiation provides an alternative radiotherapy to X-ray. UVC sensitizer from natural products may improve radiotherapy at low cytotoxic side effects. The aim of this study is to assess the regulation for oral cancer cell proliferation by a combined treatment of UVC and our previously reported anti-oral cancer natural product (ethyl acetate extract of Nepenthes adrianii × clipeata; EANA). The detailed possible UVC sensitizing mechanisms of EANA such as effects on cell proliferation, cell cycle, apoptosis, and DNA damage are investigated individually and in combination using 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTS) assay, flow cytometry, and western blotting at low dose conditions. In a 24 h MTS assay, the low dose EANA (5 μg/mL) and low dose UVC (12 J/m2) individually show 80% and combinedly 57% cell proliferation in oral cancer Ca9-22 cells; but no cytotoxicity to normal oral HGF-1 cells. Mechanistically, low dose EANA and low dose UVC individually induce apoptosis (subG1 accumulation, pancaspase activation, and caspases 3, 8, 9), oxidative stress (reactive oxygen species, mitochondrial superoxide, and mitochondrial membrane potential depletion), and DNA damage (γH2AX and 8-hydroxy-2′-deoxyguanosine). Moreover, the combined treatment (UVC/EANA) synergistically induces these changes. Combined low dose treatment-induced antiproliferation, apoptosis, oxidative stress, and DNA damage were suppressed by the ROS scavenger N-acetylcysteine. In conclusion, UVC/EANA shows synergistic antiproliferation, oxidative stress, apoptosis, and DNA damage to oral cancer cells in an oxidative stress-dependent manner. With the selective killing properties of low dose EANA and low dose UVC, EANA provides a novel UVC sensitizing agent to improve the anti-oral cancer therapy.
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Affiliation(s)
- Sheng-Yao Peng
- Department of Biomedical Science and Environmental Biology, PhD Program in Life Sciences, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-Y.P.); (Z.-W.Y.)
| | - Li-Ching Lin
- Department of Radiation Oncology, Chi-Mei Foundation Medical Center, Tainan 71004, Taiwan;
- School of Medicine, Taipei Medical University, Taipei 11031, Taiwan
- Chung Hwa University of Medical Technology, Tainan 71703, Taiwan
| | - Zhe-Wei Yang
- Department of Biomedical Science and Environmental Biology, PhD Program in Life Sciences, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-Y.P.); (Z.-W.Y.)
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (F.-R.C.); (Y.-B.C.)
| | - Yuan-Bin Cheng
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (F.-R.C.); (Y.-B.C.)
| | - Jen-Yang Tang
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Correspondence: (J.-Y.T.); (H.-W.C.); Tel.: +886-7-312-1101 (ext. 8105) (J.-Y.T.); +886-7-312-1101 (ext. 2691) (H.-W.C.)
| | - Hsueh-Wei Chang
- Department of Biomedical Science and Environmental Biology, PhD Program in Life Sciences, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (S.-Y.P.); (Z.-W.Y.)
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Correspondence: (J.-Y.T.); (H.-W.C.); Tel.: +886-7-312-1101 (ext. 8105) (J.-Y.T.); +886-7-312-1101 (ext. 2691) (H.-W.C.)
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