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Chuang YT, Yen CY, Tang JY, Wu KC, Chang FR, Tsai YH, Chien TM, Chang HW. Marine anticancer drugs in modulating miRNAs and antioxidant signaling. Chem Biol Interact 2024; 399:111142. [PMID: 39019423 DOI: 10.1016/j.cbi.2024.111142] [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: 05/18/2024] [Revised: 07/02/2024] [Accepted: 07/10/2024] [Indexed: 07/19/2024]
Abstract
Several marine drugs exert anticancer effects by inducing oxidative stress, which becomes overloaded and kills cancer cells when redox homeostasis is imbalanced. The downregulation of antioxidant signaling induces oxidative stress, while its upregulation attenuates oxidative stress. Marine drugs have miRNA-modulating effects against cancer cells. However, the potential antioxidant targets of such drugs have been rarely explored. This review aims to categorize the marine-drug-modulated miRNAs that downregulate their antioxidant targets, causing oxidative stress in anticancer treatments. We also categorize the downregulation of oxidative-stress-inducing miRNAs in antioxidant protection among non-cancer cells. We summarize the putative antioxidant targets of miRNA-modulating marine drugs by introducing a bioinformatics tool (miRDB). Finally, the marine drugs affecting antioxidant targets are surveyed. In this way, the connections between marine drugs and their modulating miRNA and antioxidant targets are innovatively categorized to provide a precise network for exploring their potential anticancer functions and protective effects on non-cancer cells.
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Affiliation(s)
- Ya-Ting Chuang
- Department of Biomedical Science and Environmental Biology, PhD Program in Life Sciences, College of Life Science, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
| | - Ching-Yu Yen
- School of Dentistry, Taipei Medical University, Taipei, 11031, Taiwan; Department of Oral and Maxillofacial Surgery, Chi-Mei Medical Center, Tainan, 71004, Taiwan.
| | - Jen-Yang Tang
- School of Post-Baccalaureate Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan; Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
| | - Kuo-Chuan Wu
- Department of Computer Science and Information Engineering, National Pingtung University, Pingtung, 900392, Taiwan.
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
| | - Yi-Hong Tsai
- Department of Pharmacy and Master Program, College of Pharmacy and Health Care, Tajen University, Pingtung, 907101, Taiwan.
| | - Tsu-Ming Chien
- School of Post-Baccalaureate Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan; Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, 80708, Taiwan; Department of Urology, Kaohsiung Gangshan Hospital, Kaohsiung Medical University, Kaohsiung 820111, Taiwan.
| | - 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; Center for Cancer Research, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 80708, Taiwan.
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Chiu FC, Kuo HM, Yu CL, Selvam P, Su IL, Tseng CC, Yuan CH, Wen ZH. Marine-derived antimicrobial peptide piscidin-1 triggers extrinsic and intrinsic apoptosis in oral squamous cell carcinoma through reactive oxygen species production and inhibits angiogenesis. Free Radic Biol Med 2024; 220:28-42. [PMID: 38679300 DOI: 10.1016/j.freeradbiomed.2024.04.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/01/2024]
Abstract
Cancer of the head and neck encompasses a wide range of cancers, including oral and oropharyngeal cancers. Oral cancer is often diagnosed at advanced stages and has a dismal prognosis. Piscidin-1, a marine antimicrobial peptide (AMP) containing approximately 22 amino acids, also exhibits significant anticancer properties. We investigated the possible anti-oral cancer effects of piscidin-1 and clarified the mechanisms underlying these effects. We treated the oral squamous cell carcinoma cell lines OC2 and SCC4 with piscidin-1. Cell viability and the expression of different hallmark apoptotic molecules, including reactive oxygen species (ROS), were tested using the appropriate MTT assay, flow cytometry and western blotting assays, and human umbilical vein endothelial cell (HUVEC) wound healing, migration, and tube formation (angiogenesis) assays. Piscidin-1 increases cleaved caspase 3 levels to induce apoptosis. Piscidin-1 also increases ROS levels and intensifies oxidative stress in the endoplasmic reticulum and mitochondria, causing mitochondrial dysfunction. Additionally, it decreases the oxygen consumption rates and activity of mitochondrial complexes I-V. As expected, the antioxidants MitoTEMPOL and N-acetylcysteine reduce piscidin-1-induced ROS generation and intracellular calcium accumulation. Piscidin-1 also inhibits matrix metalloproteinase (MMP)-2/-9 expression in HUVECs, affecting migration and tube formation angiogenesis. We demonstrated that piscidin-1 can promote apoptosis via both intrinsic and extrinsic apoptotic pathways and findings indicate that piscidin-1 has anti-proliferative and anti-angiogenic properties in oral cancer treatment. Our study on piscidin-1 thus provides a basis for future translational anti-oral cancer drug research and a new theoretical approach for anti-oral cancer clinical research.
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Affiliation(s)
- Fu-Ching Chiu
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Hsiao-Mei Kuo
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan; Department of Neurosurgery, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung, 833301, Taiwan
| | - Chen-Ling Yu
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Padhmavathi Selvam
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - I-Li Su
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan; Division of Cardiovascular Surgery, Department of Surgery, Antai Medical Care Corporation, Antai Tian-Sheng Memorial Hospital, Pingtung, 92842, Taiwan
| | - Chung-Chih Tseng
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan; Zuoying Branch of Kaohsiung Armed Forces General Hospital, Kaohsiung, 80284, Taiwan
| | - Chien-Han Yuan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan; Department of Otolaryngology, Kaohsiung Armed Forces General Hospital, Kaohsiung, 80284, Taiwan; Department of Otolaryngology, National Defense Medical Center, Taipei 11490, Taiwan.
| | - Zhi-Hong Wen
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan.
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Yang KH, Yen CY, Wang SC, Chang FR, Chang MY, Chan CK, Jeng JH, Tang JY, Chang HW. 6- n-Butoxy-10-nitro-12,13-dioxa-11-azatricyclo[7.3.1.0 2,7]trideca-2,4,6,10-tetraene Improves the X-ray Sensitivity on Inhibiting Proliferation and Promoting Oxidative Stress and Apoptosis of Oral Cancer Cells. Biomedicines 2024; 12:458. [PMID: 38398060 PMCID: PMC10887088 DOI: 10.3390/biomedicines12020458] [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: 01/27/2024] [Revised: 02/09/2024] [Accepted: 02/16/2024] [Indexed: 02/25/2024] Open
Abstract
This in vitro study examines the anti-oral cancer effects and mechanisms of a combined X-ray/SK2 treatment, i.e., X-ray and 6-n-butoxy-10-nitro-12,13-dioxa-11-azatricyclo[7.3.1.02,7]trideca-2,4,6,10-tetraene (SK2). ATP cell viability and flow cytometry-based cell cycle, apoptosis, oxidative stress, and DNA damage assessments were conducted. The X-ray/SK2 treatment exhibited lower viability in oral cancer (Ca9-22 and CAL 27) cells than in normal (Smulow-Glickman, S-G) cells, i.e., 32.0%, 46.1% vs. 59.0%, which showed more antiproliferative changes than with X-ray or SK2 treatment. Oral cancer cells under X-ray/SK2 treatment showed slight subG1 and G2/M increments and induced high annexin V-monitored apoptosis compared to X-ray or SK2 treatment. The X-ray/SK2 treatment showed higher caspase 3 and 8 levels for oral cancer cells than other treatments. X-ray/SK2 showed a higher caspase 9 level in CAL 27 cells than other treatments, while Ca9-22 cells showed similar levels under X-ray and/or SK2. The X-ray/SK2 treatment showed higher reactive oxygen species (ROS) generation and mitochondrial membrane potential (MMP) depletion than other treatments. Meanwhile, the mitochondrial superoxide (MitoSOX) and glutathione levels in X-ray/SK2 treatment did not exhibit the highest rank compared to others. Moreover, oral cancer cells had higher γH2AX and/or 8-hydroxy-2-deoxyguanosine levels from X-ray/SK2 treatment than others. All these measurements for X-ray/SK2 in oral cancer cells were higher than in normal cells and attenuated by N-acetylcysteine. In conclusion, X-ray/SK2 treatment showed ROS-dependent enhanced antiproliferative, apoptotic, and DNA damage effects in oral cancer cells with a lower cytotoxic influence on normal cells.
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Affiliation(s)
- Kun-Han Yang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.-H.Y.); (F.-R.C.)
| | - Ching-Yu Yen
- School of Dentistry, Taipei Medical University, Taipei 11031, Taiwan;
- Department of Oral and Maxillofacial Surgery, Chi-Mei Medical Center, Tainan 71004, Taiwan
| | - Sheng-Chieh Wang
- Department of Biomedical Science and Environmental Biology, PhD Program in Life Sciences, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.-H.Y.); (F.-R.C.)
| | - Meng-Yang Chang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Chieh-Kai Chan
- Department of Chemistry, University of Illinois Urbana, Champaign, IL 61820, USA;
| | - Jiiang-Huei Jeng
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Department of Dentistry, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Department of Dentistry, National Taiwan University Hospital, Taipei 100225, Taiwan
| | - Jen-Yang Tang
- School of Post-Baccalaureate Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Hsueh-Wei Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (K.-H.Y.); (F.-R.C.)
- Department of Biomedical Science and Environmental Biology, PhD Program in Life Sciences, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
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Oxidative-Stress-Mediated ER Stress Is Involved in Regulating Manoalide-Induced Antiproliferation in Oral Cancer Cells. Int J Mol Sci 2023; 24:ijms24043987. [PMID: 36835397 PMCID: PMC9965613 DOI: 10.3390/ijms24043987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/06/2023] [Accepted: 02/15/2023] [Indexed: 02/18/2023] Open
Abstract
Manoalide provides preferential antiproliferation of oral cancer but is non-cytotoxic to normal cells by modulating reactive oxygen species (ROS) and apoptosis. Although ROS interplays with endoplasmic reticulum (ER) stress and apoptosis, the influence of ER stress on manoalide-triggered apoptosis has not been reported. The role of ER stress in manoalide-induced preferential antiproliferation and apoptosis was assessed in this study. Manoalide induces a higher ER expansion and aggresome accumulation of oral cancer than normal cells. Generally, manoalide differentially influences higher mRNA and protein expressions of ER-stress-associated genes (PERK, IRE1α, ATF6, and BIP) in oral cancer cells than in normal cells. Subsequently, the contribution of ER stress on manoalide-treated oral cancer cells was further examined. ER stress inducer, thapsigargin, enhances the manoalide-induced antiproliferation, caspase 3/7 activation, and autophagy of oral cancer cells rather than normal cells. Moreover, N-acetylcysteine, an ROS inhibitor, reverses the responses of ER stress, aggresome formation, and the antiproliferation of oral cancer cells. Consequently, the preferential ER stress of manoalide-treated oral cancer cells is crucial for its antiproliferative effect.
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Combined Treatment with Cryptocaryone and Ultraviolet C Promotes Antiproliferation and Apoptosis of Oral Cancer Cells. Int J Mol Sci 2022; 23:ijms23062981. [PMID: 35328402 PMCID: PMC8950770 DOI: 10.3390/ijms23062981] [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: 01/27/2022] [Revised: 03/04/2022] [Accepted: 03/09/2022] [Indexed: 12/10/2022] Open
Abstract
Cryptocaryone (CPC) was previously reported as preferential for killing natural products in oral cancer cells. However, its radiosensitizing potential combined with ultraviolet C (UVC) cell killing of oral cancer cells remains unclear. This study evaluates the combined anti-proliferation effect and clarifies the mechanism of combined UVC/CPC effects on oral cancer cells. UVC/CPC shows higher anti-proliferation than individual and control treatments in a low cytotoxic environment on normal oral cells. Mechanistically, combined UVC/CPC generates high levels of reactive oxygen species and induces mitochondrial dysfunction by generating mitochondrial superoxide, increasing mitochondrial mass and causing the potential destruction of the mitochondrial membrane compared to individual treatments. Moreover, combined UVC/CPC causes higher G2/M arrest and triggers apoptosis, with greater evidence of cell cycle disturbance, annexin V, pancaspase, caspases 3/7 expression or activity in oral cancer cells than individual treatments. Western blotting further indicates that UVC/CPC induces overexpression for cleaved types of poly (ADP-ribose) polymerase and caspase 3 more than individual treatments. Additionally, UVC/CPC highly induces γH2AX and 8-hydroxy-2'-deoxyguanosine adducts as DNA damage in oral cancer cells. Taken together, CPC shows a radiosensitizing anti-proliferation effect on UVC irradiated oral cancer cells with combined effects through oxidative stress, apoptosis and DNA damage.
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Manoalide Shows Mutual Interaction between Cellular and Mitochondrial Reactive Species with Apoptosis in Oral Cancer Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6667355. [PMID: 33747349 PMCID: PMC7943270 DOI: 10.1155/2021/6667355] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 02/09/2021] [Accepted: 02/11/2021] [Indexed: 01/04/2023]
Abstract
We previously found that marine sponge-derived manoalide induced antiproliferation and apoptosis of oral cancer cells as well as reactive species generations probed by dichloro-dihydrofluorescein diacetate (DCFH-DA) and MitoSOX Red. However, the sources of cellular and mitochondrial redox stresses and the mutual interacting effects between these redox stresses and apoptosis remain unclear. To address this issue, we examined a panel of reactive species and used the inhibitors of cellular reactive species (N-acetylcysteine (NAC)), mitochondrial reactive species (MitoTEMPO), and apoptosis (Z-VAD-FMK; ZVAD) to explore their interactions in manoalide-treated oral cancer Ca9-22 and CAL 27 cells. Hydroxyl (˙OH), nitrogen dioxide (NO2˙), nitric oxide (˙NO), carbonate radical-anion (CO3 ˙-), peroxynitrite (ONOO-), and superoxide (O2 ˙-) were increased in oral cancer cells following manoalide treatments in terms of fluorescence staining and flow cytometry. Cellular reactive species (˙OH, NO2 ·, ˙NO, CO3 ˙-, and ONOO-) as well as cellular and mitochondrial reactive species (O2 ˙-) were induced in oral cancer cells following manoalide treatment for 6 h. NAC, MitoTEMPO, and ZVAD inhibit manoalide-induced apoptosis in terms of annexin V and pancaspase activity assays. Moreover, NAC inhibits mitochondrial reactive species and MitoTEMPO inhibits cellular reactive species, suggesting that cellular and mitochondrial reactive species can crosstalk to regulate each other. ZVAD shows suppressing effects on the generation of both cellular and mitochondrial reactive species. In conclusion, manoalide induces reciprocally activation between cellular and mitochondrial reactive species and apoptosis in oral cancer cells.
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Venkatesan M, Arumugam V, Ayyasamy R, Murugesan S, Saravanan N, Sundaresan U, Ramachandran S, Manivasagam T, Thenmozhi AJ, Qoronfleh MW. Bioactive Metabolites from Marine Ascidians: Future Treatment for Autism Spectrum Disorder. ADVANCES IN NEUROBIOLOGY 2020; 24:661-678. [PMID: 32006379 DOI: 10.1007/978-3-030-30402-7_25] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Autism spectrum disorder (ASD) is a developmental disorder that influences communication and behavior. Numerous researches propose that genes can act together with manipulations from the environment to affect development in ways that lead to ASD. The broad range of issues facing people with ASD means that there is no single proper drug and treatment for ASD. Numerous shortcomings associated with the present conventional therapeutic strategies have forced researchers to venture into alternative natural sources for effective compounds. The marine environment has emerged as an alternate search environment due to its versatile conditions where organisms employ various biodefense mechanisms for their survival. Ascidians are an excellent source for unique bioactive compounds with nutritive and therapeutic content and it still holds credit for being an underused source from marine animals. Bioactive compounds isolated from ascidians have various commendable biomedical applications due to their unique chemical structures. The present chapter will focus on the potential of bioactive compounds derived from ascidians for the treatment of the neurologic disorder-ASD.
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Affiliation(s)
- Manigandan Venkatesan
- Department of Medical Biotechnology, Chettinad Academy of Research and Education, Chennai, Tamil Nadu, India
| | - Velusamy Arumugam
- Department of Environmental Biotechnology, School of Environmental Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India.
| | - Rathinam Ayyasamy
- Department of Animal Science, Centre for Pheromone Technology, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - Selvakumar Murugesan
- Department of Biotechnology, Anna University, Tiruchirappalli, Tamil Nadu, India
| | - Nishakavya Saravanan
- Department of Medical Biotechnology, Chettinad Academy of Research and Education, Chennai, Tamil Nadu, India
| | - Umamaheswari Sundaresan
- Department of Environmental Biotechnology, School of Environmental Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India
| | - Saravanan Ramachandran
- Department of Medical Biotechnology, Chettinad Academy of Research and Education, Chennai, Tamil Nadu, India
| | - Thamilarasan Manivasagam
- Department of Biochemistry and Biotechnology, Annamalai University, Chidambaram, Tamil Nadu, India
| | | | - M Walid Qoronfleh
- Research & Policy Department, World Innovation Summit for Health (WISH), Qatar Foundation, Doha, Qatar
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Wang HR, Tang JY, Wang YY, Farooqi AA, Yen CY, Yuan SSF, Huang HW, Chang HW. Manoalide Preferentially Provides Antiproliferation of Oral Cancer Cells by Oxidative Stress-Mediated Apoptosis and DNA Damage. Cancers (Basel) 2019; 11:cancers11091303. [PMID: 31487907 PMCID: PMC6770486 DOI: 10.3390/cancers11091303] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 08/31/2019] [Accepted: 09/02/2019] [Indexed: 12/12/2022] Open
Abstract
Marine sponge-derived manoalide has a potent anti-inflammatory effect, but its potential application as an anti-cancer drug has not yet been extensively investigated. The purpose of this study is to evaluate the antiproliferative effects of manoalide on oral cancer cells. MTS assay at 24 h showed that manoalide inhibited the proliferation of six types of oral cancer cell lines (SCC9, HSC3, OC2, OECM-1, Ca9-22, and CAL 27) but did not affect the proliferation of normal oral cell line (human gingival fibroblasts (HGF-1)). Manoalide also inhibits the ATP production from 3D sphere formation of Ca9-22 and CAL 27 cells. Mechanically, manoalide induces subG1 accumulation in oral cancer cells. Manoalide also induces more annexin V expression in oral cancer Ca9-22 and CAL 27 cells than that of HGF-1 cells. Manoalide induces activation of caspase 3 (Cas 3), which is a hallmark of apoptosis in oral cancer cells, Ca9-22 and CAL 27. Inhibitors of Cas 8 and Cas 9 suppress manoalide-induced Cas 3 activation. Manoalide induces higher reactive oxygen species (ROS) productions in Ca9-22 and CAL 27 cells than in HGF-1 cells. This oxidative stress induction by manoalide is further supported by mitochondrial superoxide (MitoSOX) production and mitochondrial membrane potential (MitoMP) destruction in oral cancer cells. Subsequently, manoalide-induced oxidative stress leads to DNA damages, such as γH2AX and 8-oxo-2’-deoxyguanosine (8-oxodG), in oral cancer cells. Effects, such as enhanced antiproliferation, apoptosis, oxidative stress, and DNA damage, in manoalide-treated oral cancer cells were suppressed by inhibitors of oxidative stress or apoptosis, or both, such as N-acetylcysteine (NAC) and Z-VAD-FMK (Z-VAD). Moreover, mitochondria-targeted superoxide inhibitor MitoTEMPO suppresses manoalide-induced MitoSOX generation and γH2AX/8-oxodG DNA damages. This study validates the preferential antiproliferation effect of manoalide and explores the oxidative stress-dependent mechanisms in anti-oral cancer treatment.
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Affiliation(s)
- Hui-Ru Wang
- Institute of Biomedical Science, National Sun Yat-sen University, Kaohsiung 80424, 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.
| | - Yen-Yun Wang
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
| | - Ammad Ahmad Farooqi
- Department of Molecular Oncology, Institute of Biomedical and Genetic Engineering (IBGE), Islamabad 54000, Pakistan.
| | - Ching-Yu Yen
- Department of Oral and Maxillofacial Surgery Chi-Mei Medical Center, Tainan 71004, Taiwan.
| | - Shyng-Shiou F Yuan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Translational Research Center, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan.
| | - Hurng-Wern Huang
- Institute of Biomedical Science, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.
| | - Hsueh-Wei Chang
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan.
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
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Tang JY, Peng SY, Cheng YB, Wang CL, Farooqi AA, Yu TJ, Hou MF, Wang SC, Yen CH, Chan LP, Ou-Yang F, Chang HW. Ethyl acetate extract of Nepenthes adrianii x clipeata induces antiproliferation, apoptosis, and DNA damage against oral cancer cells through oxidative stress. ENVIRONMENTAL TOXICOLOGY 2019; 34:891-901. [PMID: 31157515 DOI: 10.1002/tox.22748] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 03/10/2019] [Accepted: 03/14/2019] [Indexed: 05/27/2023]
Abstract
Nepenthes plants are regarded as a kind of Traditional Chinese Medicine for several diseases but its anticancer activity remain unclear. The subject of this study is to evaluate the antiproliferation effects on oral cancer cells by Nepenthes plants using ethyl acetate extract of Nepenthes adrianii x clipeata (EANA). Cell viability was detected using MTS assay. Its detailed mechanisms including cell cycle, apoptosis, oxidative stress, and DNA damage were explored by flow cytometry or western blotting. For 24 hours EANA treatment, five kinds of oral cancer cells (CAL 27, Ca9-22, OECM-1, HSC-3, and SCC9) show IC50 values of cell viability ranging from 8 to 17 μg/mL but the viability of normal oral cells (HGF-1) remains over 80%. Subsequently, CAL 27 and Ca9-22 cells with high sensitivity to EANA were chosen to investigate the detailed mechanism. EANA displays the time course and concentration effects for inducing apoptosis based on flow cytometry (subG1 and annexin V analyses) and western blotting [cleaved poly (ADP-ribose) polymerase (c-PARP)]. Oxidative stress and DNA damage were induced by EANA treatments in oral cancer cells through reactive oxygen species (ROS), mitochondrial membrane potential disruption, mitochondrial superoxide, and γH2AX. All these changes of EANA treatments in oral cancer cells were reverted by the ROS scavenger N-acetylcysteine pretreatment. Therefore, EANA induces preferential killing, apoptosis, and DNA damage against oral cancer cells through oxidative stress.
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Affiliation(s)
- Jen-Yang Tang
- Faculty of Medicine, Department of Radiation Oncology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Sheng-Yao Peng
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yuan-Bin Cheng
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung, Taiwan
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chun-Lin Wang
- Bioresource Collection and Research Center, Food Industry Research and Development Institute, Hsinchu, Taiwan
| | | | - Tzu-Jung Yu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Feng Hou
- Division of Breast Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Institute of Clinical Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Sheng-Chieh Wang
- College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chia-Hung Yen
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung, Taiwan
- Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Leong-Perng Chan
- Department of Otolaryngology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Otorhinolaryngology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Fu Ou-Yang
- Division of Breast Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Hsueh-Wei Chang
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, Taiwan
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10
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Tang JY, Shu CW, Wang CL, Wang SC, Chang MY, Lin LC, Chang HW. Sulfonyl chromen-4-ones (CHW09) shows an additive effect to inhibit cell growth of X-ray irradiated oral cancer cells, involving apoptosis and ROS generation. Int J Radiat Biol 2019; 95:1226-1235. [PMID: 31141432 DOI: 10.1080/09553002.2019.1625490] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Purpose: This study evaluates the growth inhibiting potential of our previously described sulfonyl chromen-4-ones (CHW09) compound in X-ray irradiated oral cancer cells. Materials and methods: The growth inhibiting effect and mechanism of combined CHW09/X-ray treatment was examined by analyzing cell viability, cell cycle, apoptosis, reactive oxygen species (ROS), and DNA damage. Results: Individual treatments of CHW09 (10 μg/mL) and X-ray irradiation (12 Gy) slightly decreased cell viability of oral cancer Ca9-22 (87.25% and 86.54%) and CAL 27 (80.00% and 74.01%) cells and normal oral HGF-1 cells (92.76% and 87.56%) at 24 h-MTS assay, respectively. In a combined treatment (CHW09/X-ray), the cell viability in Ca9-22 and CAL 27 cells was significantly decreased to 73.48% and 59.07%, whereas HGF-1 cells maintained 84.97% viability in 24 h-MTS assay. For CAL 27 cells, both 72 h-MTS assay and clonogenic assay showed that CHW09/X-ray resulted in more growth inhibition than other treatments. Intracellular ROS levels of CHW09/X-ray were higher than for CHW09, X-ray and control. CHW09/X-ray and X-ray alone had higher G2/M arrest than the control and CHW09 alone. Moreover, flow cytometry and western blotting showed that CHW09/X-ray treatment caused higher apoptosis levels. Levels of H2A histone family member X (γH2AX)-based DNA damage and 8-oxo-2'-deoxyguanosine (8-oxodG)-oxidative DNA damage of CHW09/X-ray were higher than for CHW09, X-ray and control. Conclusion: CHW09/X-ray treatment had additive growth inhibiting effects against X-ray irradiated oral cancer cells, partly attributing to apoptosis and ROS generation.
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Affiliation(s)
- Jen-Yang Tang
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University , Kaohsiung , Taiwan.,Department of Radiation Oncology, Kaohsiung Medical University Hospital , Kaohsiung , Taiwan
| | - Chih-Wen Shu
- School of Medicine for International Students, I-Shou University , Kaohsiung , Taiwan
| | - Chun-Lin Wang
- Food Industry Research and Development Institute, Bioresource Collection and Research Center , Hsinchu , Taiwan
| | - Sheng-Chieh Wang
- PhD Program in Life Sciences, College of Life Science, Kaohsiung Medical University , Kaohsiung , Taiwan
| | - Meng-Yang Chang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University , Kaohsiung , Taiwan
| | - Li-Ching Lin
- Department of Radiation Oncology, Chi-Mei Foundation Medical Center , Tainan , Taiwan.,School of Medicine, Taipei Medical University , Taipei , Taiwan.,Chung Hwa University of Medical Technology , Tainan , Taiwan
| | - Hsueh-Wei Chang
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University , Kaohsiung , Taiwan.,Institute of Medical Science and Technology, National Sun Yat-sen University , Kaohsiung , Taiwan.,Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University , Kaohsiung , Taiwan.,Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University , Kaohsiung , Taiwan
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11
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Zhang H, Huang L, Tao L, Zhang J, Wang F, Zhang X, Fu L. Secalonic acid D induces cell apoptosis in both sensitive and ABCG2-overexpressing multidrug resistant cancer cells through upregulating c-Jun expression. Acta Pharm Sin B 2019; 9:516-525. [PMID: 31193763 PMCID: PMC6543021 DOI: 10.1016/j.apsb.2018.12.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 11/04/2018] [Accepted: 11/28/2018] [Indexed: 12/14/2022] Open
Abstract
Secalonic acid D (SAD) could inhibit cell growth in not only sensitive cells but also multidrug resistant (MDR) cells. However, the molecular mechanisms need to be elucidated. Here, we identified that SAD possessed potent cytotoxicity in 3 pairs of MDR and their parental sensitive cells including S1-MI-80 and S1, H460/MX20 and H460, MCF-7/ADR and MCF-7 cells. Furthermore, SAD induced cell G2/M phase arrest via the downregulation of cyclin B1 and the increase of CDC2 phosphorylation. Importantly, JNK pathway upregulated the expression of c-Jun in protein level and increased c-Jun phosphorylation induced by SAD, which was linked to cell apoptosis via c-Jun/Src/STAT3 pathway. To investigate the mechanisms of upregulation of c-Jun protein by SAD, the mRNA expression level and degradation of c-Jun were examined. We found that SAD did not alter the mRNA level of c-Jun but inhibited its proteasome-dependent degradation. Taken together, these results implicate that SAD induces cancer cell death through c-Jun/Src/STAT3 signaling axis by inhibiting the proteasome-dependent degradation of c-Jun in both sensitive cells and ATP-binding cassette transporter sub-family G member 2 (ABCG2)-mediated MDR cells.
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Key Words
- ABCB1, ATP-binding cassette subfamily B member 1
- ABCG2
- ABCG2, ATP-binding cassette transporter sub-family G member 2
- AP-1, activating protein-1
- Apoptosis
- CHX, cycloheximide
- HUVEC, human umbilical vein endothelial cells
- JNKs, c-Jun N-terminal kinases
- MAPKs, mitogen-activated protein kinases
- MDR, multidrug resistance
- MTT, 3-(4,5-dimethylthiazol-yl)-2,5-diphenyltetrazolium bromide
- Multidrug resistance
- NCM460, human normal colon epithelial cells
- RT-PCR, Real-time polymerase chain reaction
- SAD, Secalonic acid D
- SDS-PAGE, sodium dodecyl sulfate-polyacrylamide gel electrophoresis
- SP, side population
- Secalonic acid D
- c-Jun
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Affiliation(s)
- Hong Zhang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute, Guangzhou 510060, China
| | - Liyan Huang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute, Guangzhou 510060, China
| | - Liyang Tao
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute, Guangzhou 510060, China
| | - Jianye Zhang
- School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou 511436, China
| | - Fang Wang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute, Guangzhou 510060, China
| | - Xu Zhang
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute, Guangzhou 510060, China
| | - Liwu Fu
- Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Guangdong Esophageal Cancer Institute, Guangzhou 510060, China
- Corresponding author. Tel.: +86 20 87343163; fax: +86 20 87343170.
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12
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PIG11 over-expression predicts good prognosis and induces HepG2 cell apoptosis via reactive oxygen species-dependent mitochondrial pathway. Biomed Pharmacother 2018; 108:435-442. [DOI: 10.1016/j.biopha.2018.09.062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 09/11/2018] [Accepted: 09/11/2018] [Indexed: 12/20/2022] Open
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13
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Ramos-Vega A, Rosales-Mendoza S, Bañuelos-Hernández B, Angulo C. Prospects on the Use of Schizochytrium sp. to Develop Oral Vaccines. Front Microbiol 2018; 9:2506. [PMID: 30410471 PMCID: PMC6209683 DOI: 10.3389/fmicb.2018.02506] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 10/02/2018] [Indexed: 12/12/2022] Open
Abstract
Although oral subunit vaccines are highly relevant in the fight against widespread diseases, their high cost, safety and proper immunogenicity are attributes that have yet to be addressed in many cases and thus these limitations should be considered in the development of new oral vaccines. Prominent examples of new platforms proposed to address these limitations are plant cells and microalgae. Schizochytrium sp. constitutes an attractive expression host for vaccine production because of its high biosynthetic capacity, fast growth in low cost culture media, and the availability of processes for industrial scale production. In addition, whole Schizochytrium sp. cells may serve as delivery vectors; especially for oral vaccines since Schizochytrium sp. is safe for oral consumption, produces immunomodulatory compounds, and may provide bioencapsulation to the antigen, thus increasing its bioavailability. Remarkably, Schizochytrium sp. was recently used for the production of a highly immunoprotective influenza vaccine. Moreover, an efficient method for transient expression of antigens based on viral vectors and Schizochytrium sp. as host has been recently developed. In this review, the potential of Schizochytrium sp. in vaccinology is placed in perspective, with emphasis on its use as an attractive oral vaccination vehicle.
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Affiliation(s)
- Abel Ramos-Vega
- Grupo de Inmunología and Vacunología, Centro de Investigaciones Biológicas del Noroeste, La Paz, Mexico
| | - Sergio Rosales-Mendoza
- Laboratorio de Biofarmacéuticos Recombinantes, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico.,Sección de Biotecnología, Centro de Investigación en Ciencias de la Salud y Biomedicina, Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
| | | | - Carlos Angulo
- Grupo de Inmunología and Vacunología, Centro de Investigaciones Biológicas del Noroeste, La Paz, Mexico
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14
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Sinularin Selectively Kills Breast Cancer Cells Showing G2/M Arrest, Apoptosis, and Oxidative DNA Damage. Molecules 2018; 23:molecules23040849. [PMID: 29642488 PMCID: PMC6017762 DOI: 10.3390/molecules23040849] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 04/05/2018] [Accepted: 04/06/2018] [Indexed: 01/31/2023] Open
Abstract
The natural compound sinularin, isolated from marine soft corals, is antiproliferative against several cancers, but its possible selective killing effect has rarely been investigated. This study investigates the selective killing potential and mechanisms of sinularin-treated breast cancer cells. In 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H- tetrazolium, inner salt (MTS) assay, sinularin dose-responsively decreased the cell viability of two breast cancer (SKBR3 and MDA-MB-231) cells, but showed less effect on breast normal (M10) cells after a 24 h treatment. According to 7-aminoactinomycin D (7AAD) flow cytometry, sinularin dose-responsively induced the G2/M cycle arrest of SKBR3 cells. Sinularin dose-responsively induced apoptosis on SKBR3 cells in terms of a flow cytometry-based annexin V/7AAD assay and pancaspase activity, as well as Western blotting for cleaved forms of poly(ADP-ribose) polymerase (PARP), caspases 3, 8, and 9. These caspases and PARP activations were suppressed by N-acetylcysteine (NAC) pretreatment. Moreover, sinularin dose-responsively induced oxidative stress and DNA damage according to flow cytometry analyses of reactive oxygen species (ROS), mitochondrial membrane potential (MitoMP), mitochondrial superoxide, and 8-oxo-2'-deoxyguanosine (8-oxodG)). In conclusion, sinularin induces selective killing, G2/M arrest, apoptosis, and oxidative DNA damage of breast cancer cells.
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15
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Tang JY, Huang HW, Wang HR, Chan YC, Haung JW, Shu CW, Wu YC, Chang HW. 4β-Hydroxywithanolide E selectively induces oxidative DNA damage for selective killing of oral cancer cells. ENVIRONMENTAL TOXICOLOGY 2018; 33:295-304. [PMID: 29165875 DOI: 10.1002/tox.22516] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2017] [Revised: 10/29/2017] [Accepted: 11/07/2017] [Indexed: 06/07/2023]
Abstract
Reactive oxygen species (ROS) induction had been previously reported in 4β-hydroxywithanolide (4βHWE)-induced selective killing of oral cancer cells, but the mechanism involving ROS and the DNA damage effect remain unclear. This study explores the role of ROS and oxidative DNA damage of 4βHWE in the selective killing of oral cancer cells. Changes in cell viability, morphology, ROS, DNA double strand break (DSB) signaling (γH2AX foci in immunofluorescence and DSB signaling in western blotting), and oxidative DNA damage (8-oxo-2'deoxyguanosine [8-oxodG]) were detected in 4βHWE-treated oral cancer (Ca9-22) and/or normal (HGF-1) cells. 4βHWE decreased cell viability, changed cell morphology and induced ROS generation in oral cancer cells rather than oral normal cells, which were recovered by a free radical scavenger N-acetylcysteine (NAC). For immunofluorescence, 4βHWE also accumulated more of the DSB marker, γH2AX foci, in oral cancer cells than in oral normal cells. For western blotting, DSB signaling proteins such as γH2AX and MRN complex (MRE11, RAD50, and NBS1) were overexpressed in 4βHWE-treated oral cancer cells in different concentrations and treatment time. In the formamidopyrimidine-DNA glycolyase (Fpg)-based comet assay and 8-oxodG-based flow cytometry, the 8-oxodG expressions were higher in 4βHWE-treated oral cancer cells than in oral normal cells. All the 4βHWE-induced DSB and oxidative DNA damage to oral cancer cells were recovered by NAC pretreatment. Taken together, the 4βHWE selectively induced DSB and oxidative DNA damage for the ROS-mediated selective killing of oral cancer cells.
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Affiliation(s)
- Jen-Yang Tang
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Radiation Oncology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan
| | - Hurng-Wern Huang
- Institute of Biomedical Science, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Hui-Ru Wang
- Institute of Biomedical Science, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Ya-Ching Chan
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jo-Wen Haung
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chih-Wen Shu
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Yang-Chang Wu
- Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Research Center for Natural Products & Drug Development, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hsueh-Wei Chang
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Research Center for Natural Products & Drug Development, Kaohsiung Medical University, Kaohsiung, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
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16
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Chang YT, Wu CY, Tang JY, Huang CY, Liaw CC, Wu SH, Sheu JH, Chang HW. Sinularin induces oxidative stress-mediated G2/M arrest and apoptosis in oral cancer cells. ENVIRONMENTAL TOXICOLOGY 2017; 32:2124-2132. [PMID: 28548367 DOI: 10.1002/tox.22425] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 03/21/2017] [Accepted: 03/25/2017] [Indexed: 06/07/2023]
Abstract
Soft corals-derived natural product, sinularin, was antiproliferative against some cancers but its effect and detailed mechanism on oral cancer cells remain unclear. The subject of this study is to examine the antioral cancer effects and underlying detailed mechanisms in terms of cell viability, oxidative stress, cell cycle analysis, and apoptosis analyses. In MTS assay, sinularin dose-responsively decreased cell viability of three oral cancer cells (Ca9-22, HSC-3, and CAL 27) but only little damage to oral normal cells (HGF-1). This cell killing effect was rescued by the antioxidant N-acetylcysteine (NAC) pretreatment. Abnormal cell morphology and induction of reactive oxygen species (ROS) were found in sinularin-treated oral cancer Ca9-22 cells, however, NAC pretreatment also recovered these changes. Sinularin arrested the Ca9-22 cells at G2/M phase and dysregulated the G2/M regulatory proteins such as cdc2 and cyclin B1. Sinularin dose-responsively induced apoptosis on Ca9-22 cells in terms of flow cytometry (annexin V and pancaspase analyses) and western blotting (caspases 3, 8, 9) and poly (ADP-ribose) polymerase (PARP). These apoptotic changes of sinularin-treated Ca9-22 cells were rescued by NAC pretreatment. Taken together, sinularin induces oxidative stress-mediated antiproliferation, G2/M arrest, and apoptosis against oral cancer cells and may be a potential marine drug for antioral cancer therapy.
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Affiliation(s)
- Yung-Ting Chang
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
- Doctoral Degree Program in Marine Biotechnology, Academia Sinica, Taipei, 11529, Taiwan
| | - Chang-Yi Wu
- Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, 80424, 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
- Department of Radiation Oncology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, 80145, Taiwan
| | - Chiung-Yao Huang
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Chih-Chuang Liaw
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Shih-Hsiung Wu
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
- Doctoral Degree Program in Marine Biotechnology, Academia Sinica, Taipei, 11529, Taiwan
- Institute of Biological Chemistry, Academia Sinica, Taipei, 11524, Taiwan
| | - Jyh-Horng Sheu
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
- Department of Marine Biotechnology and Resources, 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
| | - Hsueh-Wei Chang
- Cancer Center, Kaohsiung Medical University Hospital; Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Center for Research Resources and Development of Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
- Research Center for Natural Products and Drug Development, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan
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17
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Coral-Derived Natural Marine Compound GB9 Impairs Vascular Development in Zebrafish. Int J Mol Sci 2017; 18:ijms18081696. [PMID: 28771210 PMCID: PMC5578086 DOI: 10.3390/ijms18081696] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 07/17/2017] [Accepted: 08/01/2017] [Indexed: 12/19/2022] Open
Abstract
Blood vessels in vertebrates are established and genetically controlled in an evolutionarily-conserved manner during embryogenesis. Disruption of vascular growth by chemical compounds or environmental hormones may cause developmental defects. This study analyzed the vascular impacts of marine compound GB9 in zebrafish. GB9 was isolated from the marine soft coral Capnella imbricata and had shown anti-neuroinflammatory and anti-nociceptive activities. However, the role of GB9 on vascular development has not been reported. We first tested the survival rate of embryos under exogenous 5, 7.5, 10, and 15 μM GB9 added to the medium and determined a sub-lethal dosage of 10 μM GB9 for further assay. Using transgenic Tg(fli:eGFP) fish to examine vascular development, we found that GB9 treatment impaired intersegmental vessel (ISV) growth and caudal vein plexus (CVP) patterning at 25 hours post-fertilization (hpf) and 30 hpf. GB9 exposure caused pericardial edema and impaired circulation at 48–52 hpf, which are common secondary effects of vascular defects and suggest the effects of GB9 on vascular development. Apoptic cell death analysis showed that vascular defects were not caused by cell death, but were likely due to the inhibition of migration and/or proliferation by examining ISV cell numbers. To test the molecular mechanisms of vascular defects in GB9-treated embryos, we examined the expression of vascular markers and found the decreased expression of vascular specific markers ephrinb2, flk, mrc1, and stabilin. In addition, we examined whether GB9 treatment impairs vascular growth due to an imbalance of redox homeostasis. We found an enhanced effect of vascular defects during GB9 and H2O2 co-treatment. Moreover, exogenous N-acetyl-cysteine (NAC) treatment rescued the vascular defects in GB9 treated embryos. Our results showed that GB9 exposure causes vascular defects likely mediated by the imbalance of redox homeostasis.
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18
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Chang YT, Huang CY, Tang JY, Liaw CC, Li RN, Liu JR, Sheu JH, Chang HW. Reactive oxygen species mediate soft corals-derived sinuleptolide-induced antiproliferation and DNA damage in oral cancer cells. Onco Targets Ther 2017; 10:3289-3297. [PMID: 28740404 PMCID: PMC5505647 DOI: 10.2147/ott.s138123] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
We previously reported that the soft coral-derived bioactive substance, sinuleptolide, can inhibit the proliferation of oral cancer cells in association with oxidative stress. The functional role of oxidative stress in the cell-killing effect of sinuleptolide on oral cancer cells was not investigated as yet. To address this question, we introduced the reactive oxygen species (ROS) scavenger (N-acetylcysteine [NAC]) in a pretreatment to evaluate the sinuleptolide-induced changes to cell viability, morphology, intracellular ROS, mitochondrial superoxide, apoptosis, and DNA damage of oral cancer cells (Ca9-22). After sinuleptolide treatment, antiproliferation, apoptosis-like morphology, ROS/mitochondrial superoxide generation, annexin V-based apoptosis, and γH2AX-based DNA damage were induced. All these changes were blocked by NAC pretreatment at 4 mM for 1 h. This showed that the cell-killing mechanism of oral cancer cells of sinuleptolide is ROS dependent.
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Affiliation(s)
- Yung-Ting Chang
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, Taiwan.,Doctoral Degree Program in Marine Biotechnology, Academia Sinica, Taipei, Taiwan
| | - Chiung-Yao Huang
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Jen-Yang Tang
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Radiation Oncology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan
| | - Chih-Chuang Liaw
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, Taiwan.,Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Ruei-Nian Li
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jing-Ru Liu
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jyh-Horng Sheu
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung, Taiwan.,Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung, Taiwan.,Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan.,Frontier Center for Ocean Science and Technology, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Hsueh-Wei Chang
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan.,Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, Taiwan.,Cancer Center, Kaohsiung Medical University Hospital; Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.,Research Center for Natural Products and Drug Development, Kaohsiung Medical University, Kaohsiung, Taiwan
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19
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Li H, Meng XX, Zhang L, Zhang BJ, Liu XY, Fu WW, Tan HS, Lao YZ, Xu HX. Oblongifolin C and guttiferone K extracted from Garcinia yunnanensis fruit synergistically induce apoptosis in human colorectal cancer cells in vitro. Acta Pharmacol Sin 2017; 38:252-263. [PMID: 27840412 DOI: 10.1038/aps.2016.101] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Accepted: 08/23/2016] [Indexed: 12/19/2022] Open
Abstract
Oblongifolin C (OC) and guttiferone K (GUTK) are two anticancer compounds extracted from Garcinia yunnanensis Hu, but they act by different mechanisms. In this study we investigated whether a combination of OC and GUTK (1:1 molar ratio) could produce synergistic anticancer effects against human colorectal cancer cells in vitro. For comparison, we also examined the anticancer efficacy of ethanol extracts from G yunnanensis fruit, which contain OC and GUTK up to 5%. Compared to OC and GUTK alone, the combination of OC and GUTK as well as the ethanol extracts more potently inhibited the cancer cell growth with IC50 values of 3.4 μmol/L and 3.85 μg/mL, respectively. Furthermore, OC and GUTK displayed synergistic inhibition on HCT116 cells: co-treatment with OC and GUTK induced more prominent apoptosis than treatment with either drug alone. Moreover, the combination of OC and GUTK markedly increased cleavage of casapse-3 and PARP, and enhanced cellular ROS production and increased JNK protein phosphorylation. In addition, the combination of OC and GUTK exerted stronger effects under nutrient-deprived conditions than in complete medium, suggesting that autophagy played an essential role in regulating OC- and GUTK-mediated cell death. OC and GUTK are the main components that contribute to the anticancer activity of G yunnanensis and the compounds have apoptosis-inducing effects in HCT116 cells in vitro.
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20
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Zhao M, Zhu P, Fujino M, Zhuang J, Guo H, Sheikh I, Zhao L, Li XK. Oxidative Stress in Hypoxic-Ischemic Encephalopathy: Molecular Mechanisms and Therapeutic Strategies. Int J Mol Sci 2016; 17:ijms17122078. [PMID: 27973415 PMCID: PMC5187878 DOI: 10.3390/ijms17122078] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Revised: 12/02/2016] [Accepted: 12/06/2016] [Indexed: 12/14/2022] Open
Abstract
Hypoxic-ischemic encephalopathy (HIE) is one of the leading causes of morbidity and mortality in neonates. Because of high concentrations of sensitive immature cells, metal-catalyzed free radicals, non-saturated fatty acids, and low concentrations of antioxidant enzymes, the brain requires high levels of oxygen supply and is, thus, extremely sensitive to hypoxia. Strong evidence indicates that oxidative stress plays an important role in pathogenesis and progression. Following hypoxia and ischemia, reactive oxygen species (ROS) production rapidly increases and overwhelms antioxidant defenses. A large excess of ROS will directly modify or degenerate cellular macromolecules, such as membranes, proteins, lipids, and DNA, and lead to a cascading inflammatory response, and protease secretion. These derivatives are involved in a complex interplay of multiple pathways (e.g., inflammation, apoptosis, autophagy, and necrosis) which finally lead to brain injury. In this review, we highlight the molecular mechanism for oxidative stress in HIE, summarize current research on therapeutic strategies utilized in combating oxidative stress, and try to explore novel potential clinical approaches.
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Affiliation(s)
- Mingyi Zhao
- Department of Pediatrics, the Third Xiangya Hospital, Central South University, Changsha 410006, China.
| | - Ping Zhu
- Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China.
| | - Masayuki Fujino
- National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo 157-8535, Japan.
- National Institute of Infectious Diseases, 1-23-1 Toyama, Shinjuku-ku, Tokyo 162-8640, Japan.
| | - Jian Zhuang
- Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China.
| | - Huiming Guo
- Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510100, China.
| | - IdrisAhmed Sheikh
- Department of Pediatrics, the Third Xiangya Hospital, Central South University, Changsha 410006, China.
| | - Lingling Zhao
- Department of Pediatrics, the Third Xiangya Hospital, Central South University, Changsha 410006, China.
| | - Xiao-Kang Li
- Department of Pediatrics, the Third Xiangya Hospital, Central South University, Changsha 410006, China.
- National Research Institute for Child Health and Development, 2-10-1 Okura, Setagaya-ku, Tokyo 157-8535, Japan.
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Lee WC, Chiu CH, Chen JB, Chen CH, Chang HW. Mitochondrial Fission Increases Apoptosis and Decreases Autophagy in Renal Proximal Tubular Epithelial Cells Treated with High Glucose. DNA Cell Biol 2016; 35:657-665. [PMID: 27420408 DOI: 10.1089/dna.2016.3261] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
The aim of this study was to examine the effect of mitochondrial morphogenesis changes on apoptosis and autophagy of high-glucose-treated proximal tubular epithelial cells (HK2). Cell viability, apoptosis, and mitochondrial morphogenesis were examined using crystal violet, terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling (TUNEL), and mitotracker staining, respectively. High glucose inhibited cell viability and induced mitochondrial fission in HK2 cells. After depleting mitofusin 1 (MFN1), the MFN1(-) HK2 cells (fission type) became more susceptible to high-glucose-induced apoptosis and mitochondrial fragmentation observed by TUNEL and mitotracker assays. In siMFN2 HK2 cells (fission type), mitochondria were highly fragmented (>80% fission rate) with or without high-glucose treatment; however, siFIS1 (mitochondrial fission protein 1) HK2 cells (fusion type) exhibited little fragmentation (<13%). High-glucose treatment induced autophagy, characterized by the formation of autophagosome and microtubule-associated protein light chain 3 (LC3) B-II, as observed by transmission electron microscopy and western blotting, respectively. LC3B-II levels decreased in both MFN1(-) and siMFN2 HK2 cells, but increased in siFIS1 HK2 cells. Moreover, autophagy displays a protective role against high-glucose-induced cell death based on cotreatment with autophagy inhibitors (3-methyladenine and chloroquine). Mitochondrial fission may increase apoptosis and decrease autophagy of high-glucose-treated HK2 cells.
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Affiliation(s)
- Wen-Chin Lee
- 1 Mitochondrial Research Unit, Division of Nephrology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine , Kaohsiung, Taiwan
| | - Chien-Hua Chiu
- 1 Mitochondrial Research Unit, Division of Nephrology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine , Kaohsiung, Taiwan
| | - Jin-Bor Chen
- 1 Mitochondrial Research Unit, Division of Nephrology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine , Kaohsiung, Taiwan
| | - Chiu-Hua Chen
- 1 Mitochondrial Research Unit, Division of Nephrology, Department of Internal Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine , Kaohsiung, Taiwan .,2 Department of Biological Sciences, National Sun Yat-Sen University , Kaohsiung, Taiwan
| | - Hsueh-Wei Chang
- 3 Institute of Medical Science and Technology, National Sun Yat-Sen University , Kaohsiung, Taiwan .,4 Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University , Kaohsiung, Taiwan
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Yeh CC, Li KT, Tang JY, Wang HR, Liu JR, Huang HW, Chang FR, Tsai CE, Lo IW, Huang MY, Chang HW. Butanol-Partitioned Extraction from Aqueous Extract of Gracilaria tenuistipitata Inhibits Cell Proliferation of Oral Cancer Cells Involving Apoptosis and Oxidative Stress. DNA Cell Biol 2016; 35:210-6. [DOI: 10.1089/dna.2015.3044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Chi-Chen Yeh
- School of Pharmacy, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Kun-Tzu Li
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jen-Yang Tang
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
- Department of Radiation Oncology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan
| | - Hui-Ru Wang
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jing-Ru Liu
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hurng-Wern Huang
- Institute of Biomedical Science, National Sun Yat-Sen University, Kaohsiung, Taiwan
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Center for Infectious Disease and Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Cheng-En Tsai
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - I-Wen Lo
- Graduate Institute of Natural Products, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Center for Infectious Disease and Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Yii Huang
- Department of Radiation Oncology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Hsueh-Wei Chang
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung, Taiwan
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Yang JI, Tang JY, Liu YS, Wang HR, Lee SY, Yen CY, Chang HW. Roe Protein Hydrolysates of Giant Grouper (Epinephelus lanceolatus) Inhibit Cell Proliferation of Oral Cancer Cells Involving Apoptosis and Oxidative Stress. BIOMED RESEARCH INTERNATIONAL 2016; 2016:8305073. [PMID: 27195297 PMCID: PMC4852358 DOI: 10.1155/2016/8305073] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 03/01/2016] [Accepted: 03/21/2016] [Indexed: 12/14/2022]
Abstract
Roe protein hydrolysates were reported to have antioxidant property but the anticancer effects were less addressed, especially for oral cancer. In this study, we firstly used the ultrafiltrated roe hydrolysates (URH) derived from giant grouper (Epinephelus lanceolatus) to evaluate the impact of URH on proliferation against oral cancer cells. We found that URH dose-responsively reduced cell viability of two oral cancer cells (Ca9-22 and CAL 27) in terms of ATP assay. Using flow cytometry, URH-induced apoptosis of Ca9-22 cells was validated by morphological features of apoptosis, sub-G1 accumulation, and annexin V staining in dose-responsive manners. URH also induced oxidative stress in Ca9-22 cells in terms of reactive oxygen species (ROS)/superoxide generations and mitochondrial depolarization. Taken together, these data suggest that URH is a potential natural product for antioral cancer therapy.
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Affiliation(s)
- Jing-Iong Yang
- Department of Seafood Science, National Kaohsiung Marine University, Kaohsiung 81157, 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
- Department of Radiation Oncology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung 80708, Taiwan
| | - Ya-Sin Liu
- Department of Seafood Science, National Kaohsiung Marine University, Kaohsiung 81157, Taiwan
| | - Hui-Ru Wang
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Sheng-Yang Lee
- School of Dentistry, Taipei Medical University, Taipei 11031, Taiwan
- Division of Orthodontics, Wan-Fang Medical Center, Taipei Medical University, Taipei 11648, Taiwan
| | - Ching-Yu Yen
- School of Dentistry, Taipei Medical University, Taipei 11031, Taiwan
- Department of Oral and Maxillofacial Surgery, Chi-Mei Medical Center, Tainan 71004, Taiwan
| | - Hsueh-Wei Chang
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
- Center for Research Resources and Development of Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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24
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Yen CY, Huang HW, Shu CW, Hou MF, Yuan SSF, Wang HR, Chang YT, Farooqi AA, Tang JY, Chang HW. DNA methylation, histone acetylation and methylation of epigenetic modifications as a therapeutic approach for cancers. Cancer Lett 2016; 373:185-92. [DOI: 10.1016/j.canlet.2016.01.036] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 12/23/2015] [Accepted: 01/18/2016] [Indexed: 02/09/2023]
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25
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Taurine protects against As2O3-induced autophagy in pancreas of rat offsprings through Nrf2/Trx pathway. Biochimie 2016; 123:1-6. [DOI: 10.1016/j.biochi.2016.01.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2015] [Accepted: 01/11/2016] [Indexed: 01/06/2023]
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Zhang SJ, Yang W, Wang C, He WS, Deng HY, Yan YG, Zhang J, Xiang YX, Wang WJ. Autophagy: A double-edged sword in intervertebral disk degeneration. Clin Chim Acta 2016; 457:27-35. [PMID: 27018178 DOI: 10.1016/j.cca.2016.03.016] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2016] [Revised: 03/17/2016] [Accepted: 03/22/2016] [Indexed: 02/07/2023]
Abstract
Autophagy is a homeostatic mechanism through which intracellular damaged organelles and proteins are degraded and recycled in response to increased metabolic demands or stresses. Although primarily cytoprotective, dysfunction of autophagy is often associated with many degenerative diseases, including intervertebral disc (IVD) degeneration (IDD). As a main contributing factor to low back pain, IDD is the pathological basis for various debilitating spinal diseases. Either higher or lower levels of autophagy are observed in degenerative IVD cells. Despite the precise role of autophagy in disc degeneration that is still controversial, with difference from protection to aggravation, targeting autophagy has shown promise for mitigating disc degeneration. In the current review, we summarize the changes of autophagy in degenerative IVD cells and mainly discuss the relationship between autophagy and IDD. With continued efforts, modulation of the autophagic process could be a potential and attractive therapeutic strategy for degenerative disc disease.
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Affiliation(s)
- Shu-Jun Zhang
- Department of Spine Surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China
| | - Wei Yang
- Department of Spine Surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China
| | - Cheng Wang
- Department of Spine Surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China
| | - Wen-Si He
- Department of Spine Surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China
| | - Hai-Yang Deng
- Department of Spine Surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China
| | - Yi-Guo Yan
- Department of Spine Surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China
| | - Jian Zhang
- Department of Hand and Micro-surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China
| | - Yong-Xiao Xiang
- Department of Hand and Micro-surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China
| | - Wen-Jun Wang
- Department of Spine Surgery, the First Affiliated Hospital, University of South China, Hengyang, Hunan 421001, China.
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Chang HS, Tang JY, Yen CY, Huang HW, Wu CY, Chung YA, Wang HR, Chen IS, Huang MY, Chang HW. Antiproliferation of Cryptocarya concinna-derived cryptocaryone against oral cancer cells involving apoptosis, oxidative stress, and DNA damage. Altern Ther Health Med 2016; 16:94. [PMID: 26955958 PMCID: PMC4784356 DOI: 10.1186/s12906-016-1073-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Accepted: 03/02/2016] [Indexed: 12/20/2022]
Abstract
Background Cryptocarya-derived crude extracts and their compounds have been reported to have an antiproliferation effect on several types of cancers but their impact on oral cancer is less well understood. Methods We examined the cell proliferation effect and mechanism of C. concinna-derived cryptocaryone (CPC) on oral cancer cells in terms of cell viability, apoptosis, reactive oxygen species (ROS), mitochondrial depolarization, and DNA damage. Results We found that CPC dose-responsively reduced cell viability of two types of oral cancer cells (Ca9-22 and CAL 27) in MTS assay. The CPC-induced dose-responsive apoptosis effects on Ca9-22 cells were confirmed by flow cytometry-based sub-G1 accumulation, annexin V staining, and pancaspase analyses. For oral cancer Ca9-22 cells, CPC also induced oxidative stress responses in terms of ROS generation and mitochondrial depolarization. Moreover, γH2AX flow cytometry showed DNA damage in CPC-treated Ca9-22 cells. CPC-induced cell responses in terms of cell viability, apoptosis, oxidative stress, and DNA damage were rescued by N-acetylcysteine pretreatment, suggesting that oxidative stress plays an important role in CPC-induced death of oral cancer cells. Conclusions CPC is a potential ROS-mediated natural product for anti-oral cancer therapy. Electronic supplementary material The online version of this article (doi:10.1186/s12906-016-1073-5) contains supplementary material, which is available to authorized users.
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Chang YT, Huang CY, Li KT, Li RN, Liaw CC, Wu SH, Liu JR, Sheu JH, Chang HW. Sinuleptolide inhibits proliferation of oral cancer Ca9-22 cells involving apoptosis, oxidative stress, and DNA damage. Arch Oral Biol 2016; 66:147-54. [PMID: 26954095 DOI: 10.1016/j.archoralbio.2016.02.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Revised: 01/28/2016] [Accepted: 02/28/2016] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Sinuleptolide, a soft corals-derived bioactive norditerpenoid, is a marine natural product with a potent anti-inflammatory effect. We evaluate the potential anti-oral cancer effects of sinuleptolide and investigate the possible mechanisms involved. DESIGNS Cell viability, cell cycle, apoptosis, reactive oxygen species (ROS), mitochondrial membrane potential (MMP), and DNA damage analyses were performed. RESULTS In a cell viability assay, we found that sinuleptolide is dose-responsively antiproliferative against oral gingival cancer Ca9-22 cells but less harmful to normal human gingival fibroblast (HGF-1) cells (P<0.001). In cell cycle analysis, sinuleptolide induced subG1 accumulation at a higher dose and led to G2/M arrest of Ca9-22 cells (P<0.005). Apoptosis was significantly increased in sinuleptolide-treated Ca9-22 cells based on annexin V and poly(ADP-ribose) polymerase (PARP) expressions (P<0.05-0.0001). Based on flow cytometer analysis, sinuleptolide also induced the generation of ROS and decreased MMP in a dose-responsive manner (P<0.05-0.0001). DNA damage increased dose-responsively after sinuleptolide treatments (P < 0.001) based on comet and γH2AX assays. CONCLUSION Sinuleptolide can induce an antiproliferation of oral cancer Ca9-22 cells involving apoptosis, oxidative stress and DNA damage, suggesting that sinuleptolide represents a potential chemotherapeutic drug for oral cancer treatment.
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Affiliation(s)
- Yung-Ting Chang
- Doctor Degree Program in Marine Biotechnology, National Sun Yat-sen University/Academia Sinica, Kaohsiung 80424, Taiwan.
| | - Chiung-Yao Huang
- Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.
| | - Kun-Tzu Li
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
| | - Ruei-Nian Li
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
| | - Chih-Chuang Liaw
- Doctor Degree Program in Marine Biotechnology, National Sun Yat-sen University/Academia Sinica, Kaohsiung 80424, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.
| | - Shih-Hsiung Wu
- Doctor Degree Program in Marine Biotechnology, National Sun Yat-sen University/Academia Sinica, Kaohsiung 80424, Taiwan; Institute of Biological Chemistry, Academia Sinica, Taipei 11524, Taiwan.
| | - Jing-Ru Liu
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
| | - Jyh-Horng Sheu
- Doctor Degree Program in Marine Biotechnology, National Sun Yat-sen University/Academia Sinica, Kaohsiung 80424, Taiwan; Department of Marine Biotechnology and Resources, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan.
| | - Hsueh-Wei Chang
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 80424, Taiwan; Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Center for Research Resources and Development of Kaohsiung Medical University, Kaohsiung 80708, Taiwan.
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Marine Drugs Regulating Apoptosis Induced by Tumor Necrosis Factor-Related Apoptosis-Inducing Ligand (TRAIL). Mar Drugs 2015; 13:6884-909. [PMID: 26580630 PMCID: PMC4663558 DOI: 10.3390/md13116884] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 11/02/2015] [Accepted: 11/09/2015] [Indexed: 12/14/2022] Open
Abstract
Marine biomass diversity is a tremendous source of potential anticancer compounds. Several natural marine products have been described to restore tumor cell sensitivity to TNF-related apoptosis inducing ligand (TRAIL)-induced cell death. TRAIL is involved during tumor immune surveillance. Its selectivity for cancer cells has attracted much attention in oncology. This review aims at discussing the main mechanisms by which TRAIL signaling is regulated and presenting how marine bioactive compounds have been found, so far, to overcome TRAIL resistance in tumor cells.
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30
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Affiliation(s)
- Sergey A. Dyshlovoy
- Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, Hubertus Wald-Tumorzentrum, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; E-Mail:
- Laboratory of Marine Natural Products Chemistry, G.B. Elyakov Pacific Institute of Bioorganic Chemistry, Far-East Branch, Russian Academy of Sciences, 690022 Vladivostok, Russian Federation
- School of Natural Sciences, Far East Federal University, 690022 Vladivostok, Russian Federation
| | - Friedemann Honecker
- Department of Oncology, Hematology and Bone Marrow Transplantation with Section Pneumology, Hubertus Wald-Tumorzentrum, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; E-Mail:
- Tumor and Breast Center ZeTuP St. Gallen, 9006 St. Gallen, Switzerland
- Author to whom correspondence should be addressed; E-Mail:
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Farooqi AA, Li KT, Fayyaz S, Chang YT, Ismail M, Liaw CC, Yuan SSF, Tang JY, Chang HW. Anticancer drugs for the modulation of endoplasmic reticulum stress and oxidative stress. Tumour Biol 2015; 36:5743-52. [PMID: 26188905 PMCID: PMC4546701 DOI: 10.1007/s13277-015-3797-0] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Accepted: 07/10/2015] [Indexed: 12/20/2022] Open
Abstract
Prior research has demonstrated how the endoplasmic reticulum (ER) functions as a multifunctional organelle and as a well-orchestrated protein-folding unit. It consists of sensors which detect stress-induced unfolded/misfolded proteins and it is the place where protein folding is catalyzed with chaperones. During this folding process, an immaculate disulfide bond formation requires an oxidized environment provided by the ER. Protein folding and the generation of reactive oxygen species (ROS) as a protein oxidative byproduct in ER are crosslinked. An ER stress-induced response also mediates the expression of the apoptosis-associated gene C/EBP-homologous protein (CHOP) and death receptor 5 (DR5). ER stress induces the upregulation of tumor necrosis factor-related apoptosis inducing ligand (TRAIL) receptor and opening new horizons for therapeutic research. These findings can be used to maximize TRAIL-induced apoptosis in xenografted mice. This review summarizes the current understanding of the interplay between ER stress and ROS. We also discuss how damage-associated molecular patterns (DAMPs) function as modulators of immunogenic cell death and how natural products and drugs have shown potential in regulating ER stress and ROS in different cancer cell lines. Drugs as inducers and inhibitors of ROS modulation may respectively exert inducible and inhibitory effects on ER stress and unfolded protein response (UPR). Reconceptualization of the molecular crosstalk among ROS modulating effectors, ER stress, and DAMPs will lead to advances in anticancer therapy.
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Affiliation(s)
- Ammad Ahmad Farooqi
- Institute of Biomedical and Genetic Engineering (IBGE), KRL Hospital, Islamabad, Pakistan,
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