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Ribeiro AB, de Melo MRS, de Melo Junqueira M, Rodrigues MGL, de Souza TO, Fernandes G, Santos MFC, Ambrósio SR, Bastos JK, Tavares DC. Efficacy and safety of guttiferone E in melanoma-bearing mice. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:5265-5274. [PMID: 38270618 DOI: 10.1007/s00210-024-02962-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/15/2024] [Indexed: 01/26/2024]
Abstract
Melanoma, an aggressive and potentially fatal skin cancer, is constrained by immunosuppression, resistance, and high toxicity in its treatment. Consequently, there is an urgent need for innovative antineoplastic agents. Therefore, this study investigated the antimelanoma potential of guttiferone E (GE). In an allogeneic murine B16 melanoma model, GE was administered subcutaneously and intraperitoneally. Antitumor evaluation included tumor volume/weight measurements and histopathological and immunohistochemical analysis. Furthermore, the toxicity of the treatments was evaluated through body/organ weights, biochemical parameters, and genotoxicity. Subcutaneous administration of 20 mg/kg of GE resulted in a significant reduction in both tumor volume and weight, effectively suppressing melanoma cell proliferation as evidenced by a decrease in mitotic figures. The tumor growth inhibition rate was equivalent to 54%. This treatment upregulated cleaved caspase-3, indicating apoptosis induction. On the other hand, intraperitoneal administration of GE showed no antimelanoma effect. Remarkably, GE treatments exhibited no toxicity, evidenced by non-significant differences in body weight gain, as well as organ weight, biochemical parameters of nephrotoxicity and hepatotoxicity, and genotoxic damage. This study revealed, for the first time, the efficacy of subcutaneous administration of GE in reducing melanoma, in the absence of toxicity. Furthermore, it was observed that the apoptotic signaling pathway is involved in the antimelanoma property of GE. These findings offer valuable insights for further exploring GE's therapeutic applications in melanoma treatment.
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Affiliation(s)
- Arthur Barcelos Ribeiro
- University of Franca, Avenida Dr. Armando Salles Oliveira, 201, Parque Universitário, Franca, São Paulo, 14404-600, Brazil.
| | - Matheus Reis Santos de Melo
- University of Franca, Avenida Dr. Armando Salles Oliveira, 201, Parque Universitário, Franca, São Paulo, 14404-600, Brazil
| | - Marcela de Melo Junqueira
- University of Franca, Avenida Dr. Armando Salles Oliveira, 201, Parque Universitário, Franca, São Paulo, 14404-600, Brazil
| | - Mônica Garcia Leal Rodrigues
- University of Franca, Avenida Dr. Armando Salles Oliveira, 201, Parque Universitário, Franca, São Paulo, 14404-600, Brazil
| | - Thiago Olimpio de Souza
- University of Franca, Avenida Dr. Armando Salles Oliveira, 201, Parque Universitário, Franca, São Paulo, 14404-600, Brazil
| | - Gabriela Fernandes
- University of Franca, Avenida Dr. Armando Salles Oliveira, 201, Parque Universitário, Franca, São Paulo, 14404-600, Brazil
| | | | - Sérgio Ricardo Ambrósio
- University of Franca, Avenida Dr. Armando Salles Oliveira, 201, Parque Universitário, Franca, São Paulo, 14404-600, Brazil
| | - Jairo Kenupp Bastos
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Av. do Café s/n, Ribeirão Preto, São Paulo, 14040-903, Brazil
| | - Denise Crispim Tavares
- University of Franca, Avenida Dr. Armando Salles Oliveira, 201, Parque Universitário, Franca, São Paulo, 14404-600, Brazil.
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Park SJ, Jang JW, Moon EY. Bisphenol A-induced autophagy ameliorates human B cell death through Nrf2-mediated regulation of Atg7 and Beclin1 expression by Syk activation. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 260:115061. [PMID: 37257343 DOI: 10.1016/j.ecoenv.2023.115061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/12/2023] [Accepted: 05/21/2023] [Indexed: 06/02/2023]
Abstract
The widely used plasticizer bisphenol A (BPA) is known as an endocrine-disrupting chemical (EDC). Many studies have shown that BPA contributes to diseases involving immune system alterations, but the underlying mechanisms have yet to be elucidated. We previously reported that BPA at concentration of 100 μM caused human B cell death in accordance with an increase in nuclear factor (erythroid-derived 2)-like 2(Nrf2) expression. Autophagy is a cellular process that degraded and recycles cytoplasmic constituents. Here, we investigated whether BPA induces autophagy through Nrf2, which is associated with regulation of B cell death using human WiL2-NS lymphoblast B cells. Then, cell viability was assessed by various assays using trypan blue, MTT or Celltiter glo luminescent substrate and DAPI. When WiL2-NS cells were treated with BPA, cell viability was decreased and LC3 autophagy cargo protein/puncta was increased. BPA-induced autophagy was confirmed by the modification of LC3 puncta formation or autophagy flux turnover with the treatment of hydroxychloroquine(HCQ), NH4Cl and PI3K inhibitors including 3-methyladenine(3-MA), LY294002 and wortmannin. BPA treatment increased the expression of autophagy-related gene(Atg)7 and Beclin1 as well as Nrf2 induced by the production of reactive oxygen species (ROS). The inhibition of autophagy with siAtg7 or siBeclin1 and Nrf2 depletion aggravated BPA-induced cell death. BPA enhanced the bound of Nrf2 to the specific region on Beclin1 and Atg7 promoter. Spleen tyrosine kinase(Syk) activity was enhanced in response to BPA treatment. Bay61-3606, Syk inhibitor, decreased LC3 and the expression of Atg7 and Beclin1, leading to the increase of BPA-induced B cell death. The results suggest that BPA-induced autophagy ameliorates human B cell death through Nrf2-mediated regulation of Atg7 and Beclin1 expression.
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Affiliation(s)
- So-Jeong Park
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul 05006, the Republic of Korea
| | - Ju-Won Jang
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul 05006, the Republic of Korea
| | - Eun-Yi Moon
- Department of Integrative Bioscience and Biotechnology, Sejong University, Seoul 05006, the Republic of Korea.
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Ali M, Wani SUD, Salahuddin M, S.N. M, K M, Dey T, Zargar MI, Singh J. Recent advance of herbal medicines in cancer- a molecular approach. Heliyon 2023; 9:e13684. [PMID: 36865478 PMCID: PMC9971193 DOI: 10.1016/j.heliyon.2023.e13684] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 02/01/2023] [Accepted: 02/07/2023] [Indexed: 02/16/2023] Open
Abstract
Bioactive compounds are crucial for an extensive range of therapeutic uses, and some exhibit anticancer activity. Scientists advocate that phytochemicals modulate autophagy and apoptosis, involved in the underlying pathobiology of cancer development and regulation. The pharmacological aiming of the autophagy-apoptosis signaling pathway using phytocompounds hence offers an auspicious method that is complementary to conventional cancer chemotherapy. The current review aims to explore the molecular level of the autophagic-apoptotic pathway to know its implication in the pathobiology of cancer and explore the essential cellular process as a druggable anticancer target and therapeutic emergence of naturally derived phytocompound-based anticancer agents. The data in the review were collected from scientific databases such as Google search, Web of Science, PubMed, Scopus, Medline, and Clinical Trials. With a broad outlook, we investigated their cutting-edge scientifically revealed and/or searched pharmacologic effects, a novel mechanism of action, and molecular signaling pathway of phytochemicals in cancer therapy. In this review, the evidence is focused on molecular pharmacology, specifically caspase, Nrf2, NF-kB, autophagic-apoptotic pathway, and several mechanisms to understand their role in cancer biology.
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Affiliation(s)
- Mohammad Ali
- Department of Pharmacy Practice, East Point College of Pharmacy, Bangalore, 560049, India
| | - Shahid Ud Din Wani
- Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar, 190006, India
| | - Md Salahuddin
- Department of Pharmaceutical Chemistry, Al-Ameen College of Pharmacy, Bangalore, 560027, India
| | - Manjula S.N.
- Department of Pharmacology, JSS College of Pharmacy Mysuru, JSS Academy of Higher Education and Research, Mysuru, 570004, India
| | - Mruthunjaya K
- Department of Pharmacognosy, JSS College of Pharmacy Mysuru, JSS Academy of Higher Education and Research, Mysuru, 570004, India
| | - Tathagata Dey
- Department of Pharmaceutical Chemistry, East Point College of Pharmacy, Bangalore, 560049, India
| | - Mohammed Iqbal Zargar
- Department of Pharmaceutical Sciences, School of Applied Sciences and Technology, University of Kashmir, Srinagar, 190006, India
| | - Jagadeesh Singh
- Department of Pharmacognosy, East Point College of Pharmacy, Bangalore, 560049, India
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Conceição M, Beserra FP, Aldana Mejia JA, Caldas GR, Tanimoto MH, Luzenti AM, Gaspari PDM, Evans ND, Bastos JK, Pellizzon CH. Guttiferones: An insight into occurrence, biosynthesis, and their broad spectrum of pharmacological activities. Chem Biol Interact 2023; 370:110313. [PMID: 36566914 DOI: 10.1016/j.cbi.2022.110313] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 12/10/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Guttiferones belong to the polyisoprenylated benzophenone, a class of compounds, a very restricted group of natural plant products, especially in the Clusiaceae family. They are commonly found in bark, stem, leaves, and fruits of plants of the genus Garcinia and Symphonia. Guttiferones have the following classifications according to their chemical structure: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, and T. All of them have received growing attention due to its multiple biological activities. This review provides a first comprehensive approach to plant sources, phytochemical profile, specific pharmacological effects, and mechanisms of guttiferones already described. Studies indicate a broad spectrum of pharmacological activities, such as: anti-inflammatory, immunomodulatory, antioxidant, antitumor, antiparasitic, antiviral, and antimicrobial. Despite the low toxicity of these compounds in healthy cells, there is a lack of studies in the literature related to toxicity in general. Given their beneficial effects, guttiferones are expected to be great potential drug candidates for treating cancer and infectious and transmissible diseases. However, further studies are needed to elucidate their toxicity, specific molecular mechanisms and targets, and to perform more in-depth pharmacokinetic studies. This review highlights chemical properties, biological characteristics, and mechanisms of action so far, offering a broad view of the subject and perspectives for the future of guttiferones in therapeutics.
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Affiliation(s)
- Mariana Conceição
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Fernando Pereira Beserra
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil; Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo (USP), Ribeirão Preto, SP, Brazil.
| | - Jennyfer Andrea Aldana Mejia
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Gabriel Rocha Caldas
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Matheus Hikaru Tanimoto
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Andréia Marincek Luzenti
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Priscyla Daniely Marcato Gaspari
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Nicholas David Evans
- Human Development and Health, University of Southampton Faculty of Medicine, Southampton General Hospital, Southampton, UK
| | - Jairo Kenupp Bastos
- Department of Pharmaceutical Sciences, School of Pharmaceutical Sciences, University of São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Cláudia Helena Pellizzon
- Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
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New Visions on Natural Products and Cancer Therapy: Autophagy and Related Regulatory Pathways. Cancers (Basel) 2022; 14:cancers14235839. [PMID: 36497321 PMCID: PMC9738256 DOI: 10.3390/cancers14235839] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/06/2022] [Accepted: 11/15/2022] [Indexed: 11/29/2022] Open
Abstract
Macroautophagy (autophagy) has been a highly conserved process throughout evolution and allows cells to degrade aggregated/misfolded proteins, dysfunctional or superfluous organelles and damaged macromolecules, in order to recycle them for biosynthetic and/or energetic purposes to preserve cellular homeostasis and health. Changes in autophagy are indeed correlated with several pathological disorders such as neurodegenerative and cardiovascular diseases, infections, cancer and inflammatory diseases. Conversely, autophagy controls both apoptosis and the unfolded protein response (UPR) in the cells. Therefore, any changes in the autophagy pathway will affect both the UPR and apoptosis. Recent evidence has shown that several natural products can modulate (induce or inhibit) the autophagy pathway. Natural products may target different regulatory components of the autophagy pathway, including specific kinases or phosphatases. In this review, we evaluated ~100 natural compounds and plant species and their impact on different types of cancers via the autophagy pathway. We also discuss the impact of these compounds on the UPR and apoptosis via the autophagy pathway. A multitude of preclinical findings have shown the function of botanicals in regulating cell autophagy and its potential impact on cancer therapy; however, the number of related clinical trials to date remains low. In this regard, further pre-clinical and clinical studies are warranted to better clarify the utility of natural compounds and their modulatory effects on autophagy, as fine-tuning of autophagy could be translated into therapeutic applications for several cancers.
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Perumalsamy H, Shanmugam R, Kim JR, Anandapadmanaban G, Huq MA, Dua K, Chellappan DK, Yoon TH, Balusamy SR. Nanoemulsion and Encapsulation Strategy of Hydrophobic Oregano Essential Oil Increased Human Prostate Cancer Cell Death via Apoptosis by Attenuating Lipid Metabolism. Bioinorg Chem Appl 2022; 2022:9569226. [PMID: 35662912 PMCID: PMC9162876 DOI: 10.1155/2022/9569226] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 03/11/2022] [Indexed: 11/18/2022] Open
Abstract
Origanum vulgare essential oil (EO) is traditionally well-known for its aromatic properties and biomedical applications, including anticancer. This was the first report where oregano essential oil-based nano emulsion (OENE) was synthesized for studying its effects on prostate cancer cell lines (PC3). At first, we have synthesized OENE and characterized using various spectroscopic analyses. The toxicity and inhibitory concentration (IC50) of OENE toward prostate cancer by MTT analysis were performed. The lipid biogenesis mediated, molecular target pathway analyses were performed using fluorescence cellular staining techniques, real-time RT-PCR, or western blotting analysis. OENE showed IC50 at 13.82 µg/mL and significantly induced distinct morphological changes, including cell shrinkage, cell density, and cell shape reduction. In addition, OENE could also significantly decreased lipid droplet accumulation which was confirmed by studying mRNA transcripts of 3-hydroxy-3-methylglutaryl-CoA reductase (HMGCR) (0.31-fold), fatty acid synthase (FASN) (0.18-fold), and sterol regulatory element-binding protein (SREPB1) (0.11-fold), respectively. Furthermore, there is a significant upregulation BAX (BCL2 associated X) and caspase 3 expressions. Nevertheless, OENE decreased the transcript level of BCL2 (B-cell lymphoma 2), thus resulting in apoptosis. Overall, our present work demonstrated that OENE could be a therapeutic target for the treatment of prostate cancer and warrants in vivo studies.
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Affiliation(s)
- Haribalan Perumalsamy
- Institute for Next Generation Material Design, Hanyang University, Seoul 04763, Republic of Korea
- Center for Creative Convergence Education, Hanyang University, Seoul 04763, Republic of Korea
- Research Institute for Convergence of Basic Science, Hanyang University, Seoul 04763, Republic of Korea
| | - Rajeshkumar Shanmugam
- Department of Pharmacology, Saveetha Dental College & Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Tamilnadu, India
| | - Jun-Ran Kim
- Experiment & Analysis Division, Animal and Plant Quarantine Agency, Honam Regional Office, Jeollabuk-Do 540-96, Republic of Korea
| | - Gokulanathan Anandapadmanaban
- Experiment & Analysis Division, Animal and Plant Quarantine Agency, Honam Regional Office, Jeollabuk-Do 540-96, Republic of Korea
| | - Md. Amdadul Huq
- Department of Food and Nutrition, Chung Ang University, Anseong-Si, Gyeonggi-Do 17546, Republic of Korea
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology, Sydney, Ultimo, NSW 2007, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun 248007, Uttarakhand, India
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Tae Hyun Yoon
- Institute for Next Generation Material Design, Hanyang University, Seoul 04763, Republic of Korea
- Research Institute for Convergence of Basic Science, Hanyang University, Seoul 04763, Republic of Korea
- Department of Chemistry, College of Natural Sciences, Hanyang University, Seoul 04763, Republic of Korea
- Department of Medical and Digital Engineering, College of Engineering, Hanyang University, Seoul, Republic of Korea
| | - Sri Renukadevi Balusamy
- Department of Food Science and Biotechnology, Sejong University, Gwangjin-Gu, Seoul 05006, Republic of Korea
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Bailly C, Vergoten G. Anticancer Properties and Mechanism of Action of Oblongifolin C, Guttiferone K and Related Polyprenylated Acylphloroglucinols. NATURAL PRODUCTS AND BIOPROSPECTING 2021; 11:629-641. [PMID: 34586597 PMCID: PMC8479269 DOI: 10.1007/s13659-021-00320-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 09/21/2021] [Indexed: 05/06/2023]
Abstract
Polyprenylated acylphloroglucinols represent an important class of natural products found in many plants. Among them, the two related products oblongifolin C (Ob-C) and guttiferone K (Gt-K) isolated from Garcinia species (notably from edible fruits), have attracted attention due to their marked anticancer properties. The two compounds only differ by the nature of the C-6 side chain, prenyl (Gt-K) or geranyl (Ob-C) on the phloroglucinol core. Their origin, method of extraction and biological properties are presented here, with a focus on the targets and pathways implicated in their anticancer activities. Both compounds markedly reduce cancer cell proliferation in vitro, as well as tumor growth and metastasis in vivo. They are both potent inducer of tumor cell apoptosis, and regulation of autophagy flux is a hallmark of their mode of action. The distinct mechanism leading to autophagosome accumulation in cells and the implicated molecular targets are discussed. The specific role of the chaperone protein HSPA8, known to interact with Ob-C, is addressed. Molecular models of Gt-K and Ob-C bound to HSPA8 provide a structural basis to their common HSPA8-binding recognition capacity. The review shed light on the mechanism of action of these compounds, to encourage their studies and potential development.
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Affiliation(s)
- Christian Bailly
- Scientific Consulting Office, OncoWitan, 59290, Lille, Wasquehal, France.
| | - Gérard Vergoten
- Inserm, INFINITE - U1286, Faculté de Pharmacie, University of Lille, Institut de Chimie Pharmaceutique Albert Lespagnol (ICPAL), 3 rue du Professeur Laguesse, BP-83, 59006, Lille, France
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Zeya B, Nafees S, Imtiyaz K, Uroog L, Fakhri KU, Rizvi MMA. Diosmin in combination with naringenin enhances apoptosis in colon cancer cells. Oncol Rep 2021; 47:4. [PMID: 34738632 DOI: 10.3892/or.2021.8215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 08/09/2021] [Indexed: 11/05/2022] Open
Abstract
Colon cancer is one of the most commonly diagnosed malignancies, which begins as a polyp and grows to become cancer. Diosmin (DS) and naringenin (NR) are naturally occurring flavonoids that exhibit various pharmacological activities. Although several studies have illustrated the effectiveness of these flavonoids as anti‑cancerous agents individually, the combinatorial impact of these compounds has not been explored. In the present study, the combined effect of DS and NR (DiNar) in colon cancer cell lines HCT116 and SW480 were assessed by targeting apoptosis and inflammatory pathways. The MTT assay was used to evaluate the effect of DiNar on cell proliferation, while Chou‑Talalay analysis was employed to determine the combination index of DS and NR. Moreover, flow cytometry was used to monitor cell cycle arrest and population study. The onset of apoptosis was assessed by DAPI staining, DNA fragmentation, and Annexin V‑fluorescein isothiocyanate/propidium iodide (Annexin V‑FITC/PI). The expression levels of apoptotic pathway markers, Bcl‑2, Bax, caspase3, caspase8, caspase9 and p53, and inflammatory markers, NF‑κβ, IKK‑α and IKK‑β, were assessed using western blotting and reverse transcription‑quantitative PCR. These results suggested that DiNar treatment acts synergistically and induces cytotoxicity with a concomitant increase in chromatin condensation, DNA fragmentation and cell cycle arrest in the G0/G1 phase. Annexin V‑FITC/PI apoptosis assay also showed increased number of cells undergoing apoptosis in the DiNar treatment group. Furthermore, the expression of apoptosis and inflammatory markers was also more effectively regulated under the DiNar treatment. Thereby, these findings demonstrated that DiNar treatment could be a potential novel chemotherapeutic alternative in colon cancer.
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Affiliation(s)
- Bushra Zeya
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - Sana Nafees
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - Khalid Imtiyaz
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - Laraib Uroog
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - Khalid Umar Fakhri
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
| | - M Moshahid A Rizvi
- The Genome Biology Laboratory, Department of Biosciences, Ramanujan Block, Jamia Millia Islamia, Jamia Nagar, New Delhi, Delhi 110025, India
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Wei J, Ding Y, Liu X, Liu Q, Lu Y, He S, Yuan B, Zhang J. Eupafolin induces apoptosis and autophagy of breast cancer cells through PI3K/AKT, MAPKs and NF-κB signaling pathways. Sci Rep 2021; 11:21478. [PMID: 34728712 PMCID: PMC8563970 DOI: 10.1038/s41598-021-00945-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 10/20/2021] [Indexed: 11/15/2022] Open
Abstract
Eupafolin is a flavonoid that can be extracted from common sage. Previous studies have reported that Eupafolin has antioxidant, anti-inflammatory and anti-tumor properties. However, no studies have investigated the role of Eupafolin in breast cancer. Herein, we investigated the effect of Eupafolin on two human breast cancer cell lines, as well as its potential mechanism of action. Next, the data showed that proliferation, migration and invasion ability of breast cancer cells that were treated with Eupafolin was significantly reduced, while the apoptosis rate was significantly increased. In addition, Eupafolin treatment caused breast cancer cell proliferation to be blocked in the S phase. Moreover, Eupafolin significantly induced autophagy in breast cancer cells, with an increase in the expression of LC3B-II. PI3K/AKT, MAPKs and NF-κB pathways were significantly inhibited by Eupafolin treatment. Additionally, 3-MA (a blocker of autophagosome formation) significantly reduced Eupafolin-induced activation of LC3B-II in breast cancer cells. Furthermore, Eupafolin displayed good in vitro anti-angiogenic activity. Additionally, anti-breast cancer activity of Eupafolin was found to be partially mediated by Cav-1. Moreover, Eupafolin treatment significantly weakened carcinogenesis of MCF-7 cells in nude mice. Therefore, this data provides novel directions on the use of Eupafolin for treatment of breast cancer.
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Affiliation(s)
- Jiahui Wei
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, 130062, Jilin, People's Republic of China
| | - Yu Ding
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, 130062, Jilin, People's Republic of China
| | - Xinmiao Liu
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, 130062, Jilin, People's Republic of China
| | - Qing Liu
- The Second Clinical School of Medicine, Guangdong Provincial Hospital of Chinese Medicine, Guangdong Provincial Hospital of Chinese Medicine-Zhuhai Hospital, Guangzhou University of Chinese Medicine, Guangzhou, 510120, Guangdong, China
| | - Yiran Lu
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, 130062, Jilin, People's Republic of China
| | - Song He
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, 130062, Jilin, People's Republic of China
| | - Bao Yuan
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, 130062, Jilin, People's Republic of China
| | - Jiabao Zhang
- Department of Laboratory Animals, College of Animal Sciences, Jilin University, Changchun, 130062, Jilin, People's Republic of China.
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Al-Bari MAA, Ito Y, Ahmed S, Radwan N, Ahmed HS, Eid N. Targeting Autophagy with Natural Products as a Potential Therapeutic Approach for Cancer. Int J Mol Sci 2021; 22:9807. [PMID: 34575981 PMCID: PMC8467030 DOI: 10.3390/ijms22189807] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/06/2021] [Accepted: 09/07/2021] [Indexed: 02/07/2023] Open
Abstract
Macro-autophagy (autophagy) is a highly conserved eukaryotic intracellular process of self-digestion caused by lysosomes on demand, which is upregulated as a survival strategy upon exposure to various stressors, such as metabolic insults, cytotoxic drugs, and alcohol abuse. Paradoxically, autophagy dysfunction also contributes to cancer and aging. It is well known that regulating autophagy by targeting specific regulatory molecules in its machinery can modulate multiple disease processes. Therefore, autophagy represents a significant pharmacological target for drug development and therapeutic interventions in various diseases, including cancers. According to the framework of autophagy, the suppression or induction of autophagy can exert therapeutic properties through the promotion of cell death or cell survival, which are the two main events targeted by cancer therapies. Remarkably, natural products have attracted attention in the anticancer drug discovery field, because they are biologically friendly and have potential therapeutic effects. In this review, we summarize the up-to-date knowledge regarding natural products that can modulate autophagy in various cancers. These findings will provide a new position to exploit more natural compounds as potential novel anticancer drugs and will lead to a better understanding of molecular pathways by targeting the various autophagy stages of upcoming cancer therapeutics.
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Affiliation(s)
| | - Yuko Ito
- Department of General and Gastroenterological Surgery, Osaka Medical and Pharmaceutical University, 2–7 Daigaku-machi, Takatsuki 569-8686, Osaka, Japan;
| | - Samrein Ahmed
- Department of Biosciences and Chemistry, College of Health and Wellbeing and Life Sciences, Sheffield Hallam University, City Campus, Howard Street, Sheffield S1 1WB, UK;
| | - Nada Radwan
- Department of Anatomy, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain 17666, United Arab Emirates;
| | - Hend S. Ahmed
- Department of Hematology and Blood Transfusion, Faculty of Medical Laboratory Science, Omdurman Ahlia University, Khartoum 786, Sudan;
| | - Nabil Eid
- Department of Anatomy, College of Medicine & Health Sciences, United Arab Emirates University, Al Ain 17666, United Arab Emirates;
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11
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Rahman MA, Hannan MA, Dash R, Rahman MDH, Islam R, Uddin MJ, Sohag AAM, Rahman MH, Rhim H. Phytochemicals as a Complement to Cancer Chemotherapy: Pharmacological Modulation of the Autophagy-Apoptosis Pathway. Front Pharmacol 2021; 12:639628. [PMID: 34025409 PMCID: PMC8138161 DOI: 10.3389/fphar.2021.639628] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/18/2021] [Indexed: 12/11/2022] Open
Abstract
Bioactive plant derived compounds are important for a wide range of therapeutic applications, and some display promising anticancer properties. Further evidence suggests that phytochemicals modulate autophagy and apoptosis, the two crucial cellular pathways involved in the underlying pathobiology of cancer development and regulation. Pharmacological targeting of autophagy and apoptosis signaling using phytochemicals therefore offers a promising strategy that is complementary to conventional cancer chemotherapy. In this review, we sought to highlight the molecular basis of the autophagic-apoptotic pathway to understand its implication in the pathobiology of cancer, and explore this fundamental cellular process as a druggable anticancer target. We also aimed to present recent advances and address the limitations faced in the therapeutic development of phytochemical-based anticancer drugs.
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Affiliation(s)
- Md. Ataur Rahman
- Center for Neuroscience, Korea Institute of Science and Technology (KIST), Seoul, South Korea
- Global Biotechnology & Biomedical Research Network (GBBRN), Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, Bangladesh
| | - Md. Abdul Hannan
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Raju Dash
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
| | - MD. Hasanur Rahman
- Department of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, Bangladesh
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul, South Korea
| | - Rokibul Islam
- Department of Biotechnology and Genetic Engineering, Faculty of Biological Sciences, Islamic University, Kushtia, Bangladesh
- Department of Biochemistry, College of Medicine, Hallym University, Chuncheon-si, South Korea
| | - Md Jamal Uddin
- ABEx Bio-Research Center, Dhaka, Bangladesh
- Graduate School of Pharmaceutical Sciences, College of Pharmacy, Ewha Womans University, Seoul, South Korea
| | - Abdullah Al Mamun Sohag
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Md. Habibur Rahman
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Seoul, South Korea
| | - Hyewhon Rhim
- Center for Neuroscience, Korea Institute of Science and Technology (KIST), Seoul, South Korea
- Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology (UST), Seoul, South Korea
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12
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Pal A, Verma P, Paul S, Majumder I, Kundu R. Two species of Ulva inhibits the progression of cervical cancer cells SiHa by means of autophagic cell death induction. 3 Biotech 2021; 11:52. [PMID: 33489671 PMCID: PMC7801572 DOI: 10.1007/s13205-020-02576-9] [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: 07/31/2020] [Accepted: 12/01/2020] [Indexed: 12/24/2022] Open
Abstract
Edible green algal seaweeds, namely Ulva intestinalis and Ulva lactuca constitute a significant repository of popular herbal medicines in the Traditional Chinese Medicinal system. The present study aimed to assess the anticancer potential of these algal members and its mode of action in cervical cancer cells SiHa. The algal samples primarily extracted in methanol was fractionated into hexane, chloroform, and aqueous algal fractions, which inhibited the proliferation of SiHa cells in a dose-dependent manner, with the algal chloroform fractions harbouring the lowest IC50 dose of 141.38 µg/ml in U. intestinalis and 445.278 µg/ml in U. lactuca. These algal chloroform fractions when studied for their in-depth mode of action, were found to damage and pulverise the nuclei, resulting in a concomitant increase in subG0-phase of SiHa cells, studied by flow cytometry. The algal treatment also caused an increase in the number of acidic vesicles and enhanced the expression of LC3BII, p62 and atg12 proteins, which together pointed out autophagy as the induced mode of cell death. Upregulated Bax and p53 expression along with decreased Bcl2 expression also correlated to autophagic cell death. Decreased expression of E6 viral oncogene was noted as a significant response to algal fractions. Lastly, these potent algal fractions when characterised pharmacologically through GC-MS analysis were found to be rich in unsaturated fatty acids, majorly palmitic acid. Hence, this study concludes that the two species of Ulva successfully decreased the proliferation of SiHa cervical cancer cells through autophagy, hinting at palmitic acid being the major responsible bioactive compound in both.
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Affiliation(s)
- Asmita Pal
- Department of Botany, Centre of Advanced Studies, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019 West Bengal India
| | - Preeti Verma
- Department of Botany, Centre of Advanced Studies, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019 West Bengal India
| | - Subhabrata Paul
- Department of Botany, Centre of Advanced Studies, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019 West Bengal India
- Present Address: Bioprospecting Laboratory, School of Biotechnology, Presidency University, Kolkata, West Bengal India
| | - Indira Majumder
- Department of Botany, Centre of Advanced Studies, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019 West Bengal India
| | - Rita Kundu
- Department of Botany, Centre of Advanced Studies, University of Calcutta, 35, Ballygunge Circular Road, Kolkata, 700019 West Bengal India
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13
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Guttiferone K Exerts the Anti-inflammatory Effect on Mycobacterium Tuberculosis- (H37Ra-) Infected Macrophages by Targeting the TLR/IRAK-1 Mediated Akt and NF- κB Pathway. Mediators Inflamm 2020; 2020:8528901. [PMID: 33100904 PMCID: PMC7569438 DOI: 10.1155/2020/8528901] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/26/2020] [Accepted: 09/16/2020] [Indexed: 12/15/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) remains a great threat to global health, killing more people than any other single infectious agent and causing uncontrollable inflammation in the host. Poorly controlled inflammatory processes can be deleterious and result in immune exhaustion. The current tuberculosis (TB) control is facing the challenge of drugs deficiency, especially in the context of increasingly multidrug resistant (MDR) TB. Under this circumstance, alternative host-directed therapy (HDT) emerges timely which can be exploited to improve the efficacy of TB treatment and disease prognosis by targeting the host. Here, we established the in vitro infection model of Mtb macrophages with H37Ra strain to seek effective anti-TB active agent. The present study showed that Guttiferone K, isolated from Garcinia yunnanensis, could significantly inhibit Mtb-induced inflammation in RAW264.7 and primary peritoneal macrophages. It was evidenced by the decreased production of inflammatory mediators, including interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), inducible nitric oxide synthase (iNOS), and cyclooxygenase-2 (COX-2). Further studies with immunoblotting and immunofluorescence revealed that Guttiferone K obviously inhibits the nuclear factor-kappa B (NF-κB) both in RAW264.7 and primary peritoneal macrophages relying on the TLR/IRAK-1 pathway. Guttiferone K could also suppress the NLRP3 inflammasome activity and induce autophagy by inhibiting the protein kinase B (p-Akt) and mammalian target of rapamycin (mTOR) phosphorylation at Ser473 and Ser2448 in both cell lines. Thus, Guttiferone K possesses significant anti-inflammatory effect, alleviating Mtb-induced inflammation with an underlying mechanism that targeting on the TLR/IRAK-1 pathway and inhibiting the downstream NF-κB and Akt/mTOR signaling pathways. Together, Guttiferone K can be an anti-inflammatory agent candidate for the design of new adjunct HDT drugs fighting against tuberculosis.
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Lee JE, Yoon SS, Lee JW, Moon EY. Curcumin-induced cell death depends on the level of autophagic flux in A172 and U87MG human glioblastoma cells. Chin J Nat Med 2020; 18:114-122. [PMID: 32172947 DOI: 10.1016/s1875-5364(20)30012-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Indexed: 12/14/2022]
Abstract
Glioblastoma is the deadliest neoplasm with the worst 5-year survival rate among all human cancers. Autophagy promotes autophagic cell death or blocks the induction of apoptosis in eukaryotic cells. Here, we investigated whether varying levels of autophagic flux in glioblastoma lead to different efficacies of curcumin treatment using U87MG and A172 human glioblastoma cells. The number of LC3 puncta, the number of cells with LC3 puncta and the level of LC3 II, Atg5 and Atg7 protein were higher in U87MG cells compared with A172 cells. When the cells were incubated with curcumin for 24 or 48 h, the percentage of cell death was higher in A172 cells compared with U87MG cells. Although the level of LC3 was lower, that of curcumin-induced LC3 was higher, in A172 cells than in U87MG cells. The relative increases in cell death and LC3-mediated autophagy were greater under serum starvation in A172 cells compared with U87MG cells. Curcumin-induced A172 cell death was reduced by serum starvation. When both types of cells were transfected with LC3-GFP, the percentage of cell death was higher in A172 cells than that in U87MG cells. Taken together, the data demonstrate that curcumin-mediated tumor cell death is regulated by the basal level of autophagic flux in different glioblastoma cells. This suggests that prior to the use of various curcumin therapeutics, the level of basal or induced autophagic flux should be carefully examined in tumor cells for the best efficacy.
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Affiliation(s)
- Jong-Eun Lee
- Department of Bioscience and Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Sung Sik Yoon
- Department of Bioscience and Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Jae-Wook Lee
- Department of Bioscience and Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Eun-Yi Moon
- Department of Bioscience and Biotechnology, Sejong University, Seoul 05006, Republic of Korea.
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15
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Bicyclic polyprenylated acylphloroglucinols and their derivatives: structural modification, structure-activity relationship, biological activity and mechanism of action. Eur J Med Chem 2020; 205:112646. [PMID: 32791400 DOI: 10.1016/j.ejmech.2020.112646] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/02/2020] [Accepted: 07/04/2020] [Indexed: 12/22/2022]
Abstract
Bicyclic polyprenylated acylphloroglucinols (BPAPs), the principal bioactive benzophenone products isolated from plants of genera Garcinia and Hypericum, have attracted noticeable attention from the synthetic and biological communities due to their fascinating chemical structures and promising biological activities. However, the potential drug interaction, undesired physiochemical properties and toxicity have limited their potential use and development. In the last decade, pharmaceutical research on the structural modifications, structure-activity relationships (SARs) and mechanisms of action of BPAPs has been greatly developed to overcome the challenges. A comprehensive review of these scientific literature is extremely needed to give an overview of the rapidly emerging area and facilitate research related to BPAPs. This review, containing over 226 references, covers the progress made in the chemical synthesis-based structure modifications, SARs and the mechanism of action of BPAPs in vivo and vitro. The most relevant articles will focus on the discovery of lead compounds via synthetic modifications and the important BPAPs for which the direct targets have been deciphered. From this review, several key points of the SARs and mode of actions of this novel class of compounds have been summarized. The perspective and future direction of the research on BPAPs are concluded. This review would be helpful to get a better grasp of medicinal research of BPAPs and become a compelling guide for chemists dedicated to the synthesis of these compounds.
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16
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Sui H, Tan H, Fu J, Song Q, Jia R, Han L, Lv Y, Zhang H, Zheng D, Dong L, Wang S, Li Q, Xu H. The active fraction of Garcinia yunnanensis suppresses the progression of colorectal carcinoma by interfering with tumorassociated macrophage-associated M2 macrophage polarization in vivo and in vitro. FASEB J 2020; 34:7387-7403. [PMID: 32283574 DOI: 10.1096/fj.201903011r] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 02/27/2020] [Accepted: 03/15/2020] [Indexed: 12/12/2022]
Abstract
Colorectal cancer (CRC) is the third most common solid tumor worldwide and has shown resistance to several immunotherapies, particularly immune checkpoint blockade therapy, which is effective in many other types of cancer. Our previous studies indicated that the active fraction of Garcinia yunnanensis (YTE-17), had potent anticancer activities by regulating multiple signaling pathways. However, knowledge regarding the mechanism and effect of YTE-17 in the prevention of CRC is limited. This study tested the effects of YTE-17 on colon cancer development in vivo by using two murine models: the carcigenic azoxymethane/dextran sulfate sodium (AOM/DSS)-induced CRC model and a genetically induced model using ApcMin/+ mice. Here, the tumor load, tumor number, histology, and even some oncogenes were used to evaluate the effect of YTE-17. The intragastric administration of YTE-17 for 12 weeks significantly decreased CRC incidence, tumor number and size, immunity, and some tumor-associated macrophage (TAM) markers, including CD206, Arg-1, IL-10, and TGF-β. Importantly, the macrophages depletion by clodronate (CEL) also played a role in reducing the tumor burden and inhibiting tumor development, which were not affected by YTE-17 in the ApcMin/+ mice. Moreover, the YTE-17 treatment attenuated CRC cell growth in a co-culture system in the presence of macrophages. Consistently, YTE-17 effectively reduced the tumor burden and macrophage infiltration and enhanced immunity in the AOM/DSS and ApcMin/+ colon tumor models. Altogether, we demonstrate that macrophages in the microenvironment may contribute to the development and progression of CRC cells and propose YTE-17 as a new potential drug option for the treatment of CRC.
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Affiliation(s)
- Hua Sui
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hongsheng Tan
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jie Fu
- Department of Traditional Chinese Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qing Song
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ru Jia
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Li Han
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yue Lv
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hong Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Dan Zheng
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Liping Dong
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Songpo Wang
- Department of Traditional Chinese Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qi Li
- Department of Medical Oncology, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.,Academy of Integrative Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hongxi Xu
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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17
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Lee JE, Yoon SS, Moon EY. Curcumin-Induced Autophagy Augments Its Antitumor Effect against A172 Human Glioblastoma Cells. Biomol Ther (Seoul) 2019; 27:484-491. [PMID: 31405268 PMCID: PMC6720530 DOI: 10.4062/biomolther.2019.107] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 07/10/2019] [Accepted: 07/19/2019] [Indexed: 12/11/2022] Open
Abstract
Glioblastoma is the most aggressive common brain tumor in adults. Curcumin, from Curcuma longa, is an effective antitumor agent. Although the same proteins control both autophagy and cell death, the molecular connections between them are complicated and autophagy may promote or inhibit cell death. We investigated whether curcumin affects autophagy, which regulates curcumin-mediated tumor cell death in A172 human glioblastoma cells. When A172 cells were incubated with 10 μM curcumin, autophagy increased in a time-dependent manner. Curcumin-induced cell death was reduced by co-incubation with the autophagy inhibitors 3-methyladenine (3-MA), hydroxychloroquine (HCQ), and LY294002. Curcumin-induced cell death was also inhibited by co-incubation with rapamycin, an autophagy inducer. When cells were incubated under serum-deprived medium, LC3-II amount was increased but the basal level of cell viability was reduced, leading to the inhibition of curcumin-induced cell death. Cell death was decreased by inhibiting curcumin-induced autophagy using small interference RNA (siRNA) of Atg5 or Beclin1. Therefore, curcumin-mediated tumor cell death is promoted by curcumin-induced autophagy, but not by an increase in the basal level of autophagy in rapamycin-treated or serum-deprived conditions. This suggests that the antitumor effects of curcumin are influenced differently by curcumin-induced autophagy and the prerequisite basal level of autophagy in cancer cells.
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Affiliation(s)
- Jong-Eun Lee
- Department of Bioscience and Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Sung Sik Yoon
- Department of Bioscience and Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Eun-Yi Moon
- Department of Bioscience and Biotechnology, Sejong University, Seoul 05006, Republic of Korea
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18
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Maniyar M, Chakraborty A, Kokare C. Formulation and evaluation of letrozole-loaded spray dried liposomes with PEs for topical application. J Liposome Res 2019; 30:274-284. [PMID: 31223043 DOI: 10.1080/08982104.2019.1634723] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Letrozole (LET), an aromatase inhibitor widely used as a first-line drug for the estrogen-dependent breast cancer treatment in postmenopausal women. In this study, an attempt has been made to develop LET topical drug delivery which would be a more efficient system to treat elevated blood levels of estrogen found in breast cancer patients. The technique involves, encapsulation of the LET in phospholipids using spray dryer. The LET spray-dried powder (LT-SDP) powder was tested by Fourier transform infrared, X-RD, and differential scanning calorimetry. These studies confirm the entrapment efficiency (EE) of the system. The LT-SDP in the form dispersion was further evaluated. The confocal laser scanning microscopy (CLSM) showed spherical vesicles, the particle size, polydispersity index, and the EE was found to be 284.0 nm, 0.247, and 59.08%, respectively. LT-SDP dispersion was added into a cream base with peppermint and olive oil as natural penetration enhancers. Optimized formulation showed superior skin targeting in in vitro and in vivo studies. Cell proliferation assay and flow cytometry was carried out using human cancer cell line of breast MDA-MB-231 which showed superior anti-proliferative action and enhanced apoptosis activity of LT-SDP cream (43.9%) in comparison. The CLSM micrograph, skin irritation, and histopathology studies showed the penetration ability and inertness of the LT-SDP cream, respectively. In vivo bioavailability studies showed an almost four-fold increase in the plasma concentration (11.3 versus 4.2) while the mean residence time (81.11 versus 64.42 h) and half-life (51.01 versus 39.36 h) were reasonably higher than plain LET cream.
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Affiliation(s)
- Mithun Maniyar
- STES's Smt Kashibai Navale College of Pharmacy, Kondhwa (Bk), (Affiliated to Savitribai Phule Pune University), Pune, India.,SVERI's College of Pharmacy, Pandharpur, India
| | - Avik Chakraborty
- Radiation Medicine Centre (RMC), Bhabha Atomic Research Centre (BARC), Mumbai, India
| | - Chandrakant Kokare
- STES's Smt Kashibai Navale College of Pharmacy, Kondhwa (Bk), (Affiliated to Savitribai Phule Pune University), Pune, India.,STES's Sinhgad Institute of Pharmacy, Narhe (Affiliated to Savitribai Phule Pune University), Pune, India
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19
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Novel dauricine derivatives suppress cancer via autophagy-dependent cell death. Bioorg Chem 2019; 83:450-460. [DOI: 10.1016/j.bioorg.2018.10.074] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 10/26/2018] [Accepted: 10/31/2018] [Indexed: 11/18/2022]
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20
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Ribeiro de Carvalho R, Chaves Silva N, Cusinato M, Tranches Dias K, dos Santos M, Viegas Junior C, Gonçalves Silva É, Tranches Dias A. Promising synergistic activity of fluconazole with bioactive Guttiferone-A and derivatives against non-albicans Candida species. J Mycol Med 2018; 28:645-650. [DOI: 10.1016/j.mycmed.2018.07.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 07/18/2018] [Accepted: 07/20/2018] [Indexed: 11/27/2022]
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21
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Autophagy and its potent modulators from phytochemicals in cancer treatment. Cancer Chemother Pharmacol 2018; 83:17-26. [PMID: 30353226 DOI: 10.1007/s00280-018-3707-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Accepted: 10/15/2018] [Indexed: 12/12/2022]
Abstract
Autophagy is a ubiquitous catabolic process by which damaged or harmful intracellular components are delivered to the lysosomes for self-digestion and recycling. It is critical in cancer treatment. Therapy-induced autophagy predominantly acts as a pro-survival mechanism, but progressive autophagy can lead to non-apoptotic cell death, also known as autophagic cell death. Plants or herbs contain various natural compounds that are widely used in the treatment of many types of malignancies. Emerging evidence indicates that phytochemicals targeting the autophagic pathway are promising agents for cancer treatment. However, these compounds play different roles in autophagy. In this review, we discussed the role of autophagy in cancer development and therapy, and focussed on elucidating the anti-cancer activities of autophagic modulators, especially phytochemicals. Notably, we described a novel premise that the dynamic role of phytochemicals should be evaluated in regulation of autophagy in cancer.
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22
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Perumalsamy H, Sankarapandian K, Veerappan K, Natarajan S, Kandaswamy N, Thangavelu L, Balusamy SR. In silico and in vitro analysis of coumarin derivative induced anticancer effects by undergoing intrinsic pathway mediated apoptosis in human stomach cancer. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 46:119-130. [PMID: 30097112 DOI: 10.1016/j.phymed.2018.04.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 02/21/2018] [Accepted: 04/08/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Coumarin plays a vital role in drug discovery process due to its diverse biologically active components. Recently, coumarin derivatives are paying attention to treat various diseases including cancer. The effect of coumarin derivatives on gastric cancer is not well established although gastric cancer being the fourth leading cancer. Therefore, we attempt to study the effect of styrene substituted biscoumarin (SSBC) to induce apoptosis and inhibit cancer proliferation using in silico and in vitro approaches. METHODS We performed 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay to identify the anti-proliferative activity of SSBC in stomach cancer cell lines (AGS) and toxicity of the compared was also assessed using lung normal cell lines (L-132 and MRC-5). A docking study was carried out between anti-apoptotic protein (BCL2) and SSBC compound. Furthermore, we analyzed the drug likeliness by screening pharmacological properties (ADME) and biological activity of SSBC by performing spectrum prediction analysis (PASS). The apoptotic effect of SSBC in AGS cell lines were detected using flow cytometry (FACS), Hoechst staining and DAPI/PI staining. Later, the regulation of apoptotic pathway by SSBC was also confirmed by qRT-PCR and western blotting analysis. RESULTS The inhibition concentration (IC50) of SSBC was assayed against AGS and lung normal cell lines (L-132 and MRC-5). The IC50 value of SSBC toward AGS, L-132 and MRC-5 was 4.56, 268 and 285 μg/ml, respectively. In silico analysis predicted SSBC could bind to the active site of BH3 domain of anti-apoptotic protein and thus resulted in apoptotic mediated cell death. ADME prediction of SSBC exhibit strong binding capacity of 99.08% and showed absorption rate about 95.57% in the intestine. In addition, biological activity of SSBC was also predicted using PASS program and we found SSBC exhibit high activity for various cancer related protein expression including apoptosis pathway proteins such as caspase 3 stimulant, apoptosis agonist. Furthermore, apoptosis of AGS was also assessed using Hoechst staining, DAPI/PI analysis, flow-cytometric analysis, qRT-PCR and western blot analysis. CONCLUSION Our study denotes that SSBC could be very effective against AGS by inducing apoptosis through intrinsic pathway and recommended for in vivo and human trials.
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Affiliation(s)
- Haribalan Perumalsamy
- Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Republic of Korea
| | - Karuppasamy Sankarapandian
- Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 151-921, Republic of Korea
| | - Karpagam Veerappan
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Sathishkumar Natarajan
- Department of Horticulture, Sunchon National University, Suncheon 57922, Republic of Korea
| | - Narendran Kandaswamy
- Department of Chemistry, Saveetha Engineering College, Thandalam, Chennai 602 105, India
| | - Lakshmi Thangavelu
- Department of Pharmacology, Saveetha Dental College and Hospitals, SIMATS, Saveetha University, India
| | - Sri Renukadevi Balusamy
- Department of Food Science and Biotechnology, Sejong University, Gwangjin-gu, Seoul 05006, Republic of Korea.
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23
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Elmansi A, El-Karef A, Shishtawy M, Eissa L. Hepatoprotective Effect of Curcumin on Hepatocellular Carcinoma Through Autophagic and Apoptic Pathways. Ann Hepatol 2018; 16:607-618. [PMID: 28611265 DOI: 10.5604/01.3001.0010.0307] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
BACKGROUND AND RATIONALE Microtubule-associated protein light chain 3-II (LC3-II), and Sequestosome-1 (SQSTM1) are proteins that can be used as markers for autophagic pathway. Bcl-2 protein is reported to be inversely correlated with apoptosis. We aimed to investigate the effects of curcumin on liver inflammation and fibrosis up to the first dysplastic stage of Hepatocellular carcinoma (HCC) induced by Thioacetamide (TAA) in rats and to clarify the effects of curcumin on LC3-II, SQSTM1, and Bcl-2. Male Sprague-Dawley rats were randomized into four groups: Control group, TAA group, Curcumin low-dose group, and Curcumin highdose group. The last three groups received TAA 200 mg/kg i.p. twice weekly for 18 weeks. Oxidative stress markers as hepatic malondialdehyde (MDA) concentration and superoxide dismutase (SOD) activity were measured by colorimetric methods. Hepatic SQSTM1 concentration was measured by ELISA, and gene expression levels of Bcl-2, and LC3-II were measured by RT-PCR.We also investigated the in vitro effect of curcumin on HepG2 cells viability through MTT assay, and the involvement of autophagy in this effect. RESULTS Curcumin increased the survival percent in rats, decreased -fetoprotein (AFP) concentration, and serum aspartate aminotransferase (AST) activity, and increased serum albumin concentration. Curcumin also significantly reduced oxidative stress in liver, inhibited apoptosis, and induced autophagy. In vitro, curcumin (50 µM) decreased HepG2 cells viabilityand the concentration of SQSTM1. CONCLUSIONS Curcumin leads to protection against TAA induced HCC up to the first dysplastic stage through activating autophagic pathway and inhibiting apoptosis. Also, the antioxidant activity of curcumin almost prevents liver fibrosis.
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Affiliation(s)
- Ahmed Elmansi
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Amro El-Karef
- Department of Pathology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Mamdouh Shishtawy
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Laila Eissa
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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24
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Wang P, Zhu L, Sun D, Gan F, Gao S, Yin Y, Chen L. Natural products as modulator of autophagy with potential clinical prospects. Apoptosis 2018; 22:325-356. [PMID: 27988811 DOI: 10.1007/s10495-016-1335-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Natural compounds derived from living organisms are well defined for their remarkable biological and pharmacological properties likely to be translated into clinical use. Therefore, delving into the mechanisms by which natural compounds protect against diverse diseases may be of great therapeutic benefits for medical practice. Autophagy, an intricate lysosome-dependent digestion process, with implications in a wide variety of pathophysiological settings, has attracted extensive attention over the past few decades. Hitherto, accumulating evidence has revealed that a large number of natural products are involved in autophagy modulation, either inducing or inhibiting autophagy, through multiple signaling pathways and transcriptional regulators. In this review, we summarize natural compounds regulating autophagy in multifarious diseases including cancer, neurodegenerative diseases, cardiovascular diseases, metabolic diseases, and immune diseases, hoping to inspire further investigation of the underlying mechanisms of natural compounds and to facilitate their clinical use for multiple human diseases.
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Affiliation(s)
- Peiqi Wang
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Lingjuan Zhu
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Dejuan Sun
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Feihong Gan
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Suyu Gao
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - Yuanyuan Yin
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Lixia Chen
- Key Laboratory of Structure-Based Drug Design and Discovery of Ministry of Education, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, China.
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25
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Yang XW, Grossman RB, Xu G. Research Progress of Polycyclic Polyprenylated Acylphloroglucinols. Chem Rev 2018; 118:3508-3558. [PMID: 29461053 DOI: 10.1021/acs.chemrev.7b00551] [Citation(s) in RCA: 230] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Polycyclic polyprenylated acylphloroglucinols (PPAPs) are a class of hybrid natural products sharing the mevalonate/methylerythritol phosphate and polyketide biosynthetic pathways and showing considerable structure and bioactivity diversity. This review discusses the progress of research into the chemistry and biological activity of 421 natural PPAPs in the past 11 years as well as in-depth studies of biological activities and total synthesis of some PPAPs isolated before 2006. We created an online database of all PPAPs known to date at http://www.chem.uky.edu/research/grossman/PPAPs . Two subclasses of biosynthetically related metabolites, spirocyclic PPAPs with octahydrospiro[cyclohexan-1,5'-indene]-2,4,6-trione core and complicated PPAPs produced by intramolecular [4 + 2] cycloadditions of MPAPs, are brought into the PPAP family. Some PPAPs' relative or absolute configurations are reassigned or critically discussed, and the confusing trivial names in PPAPs investigations are clarified. Pharmacologic studies have revealed a new molecular mechanism whereby hyperforin and its derivatives regulate neurotransmitter levels by activating TRPC6 as well as the antitumor mechanism of garcinol and its analogues. The antineoplastic potential of some type B PPAPs such as oblongifolin C and guttiferone K has increased significantly. As a result of the recent appearances of innovative synthetic methods and strategies, the total syntheses of 22 natural PPAPs including hyperforin, garcinol, and plukenetione A have been accomplished.
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Affiliation(s)
- Xing-Wei Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, Chinese Academy of Sciences, and Yunnan Key Laboratory of Natural Medicinal Chemistry , Kunming 650201 , People's Republic of China
| | - Robert B Grossman
- Department of Chemistry , University of Kentucky , Lexington , Kentucky 40506-0055 , United States
| | - Gang Xu
- State Key Laboratory of Phytochemistry and Plant Resources in West China , Kunming Institute of Botany, Chinese Academy of Sciences, and Yunnan Key Laboratory of Natural Medicinal Chemistry , Kunming 650201 , People's Republic of China
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26
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Ye H, Chai X, Wang X, Zheng Q, Zheng D, Wu F, Zheng C, Chen P. Autophagy flux inhibition augments gastric cancer resistance to the anti-human epidermal growth factor receptor 2 antibody trastuzumab. Oncol Lett 2018. [PMID: 29541179 PMCID: PMC5835962 DOI: 10.3892/ol.2018.7891] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
The autophagy involved in the occurrence, development and prognosis of human epidermal growth factor receptor 2 (HER2) gene-amplified cancer also controls the resistance of this type of cancer to the monoclonal antibody, trastuzumab (Tzb). In the present study, Tzb resistance was established in HER2-positive NCI-N87 cell lines (Tzb-refractory cells). The cell viability, clonogenic assay, ratios of light chain 3 II/I, sequestosome 1 expression, and the phosphorylation of protein kinase B (Akt) and mechanistic target of rapamycin (mTOR) were investigated in the parental and Tzb-refractory cells. The viability of parental NCI-N87 and Tzb-refractory cells with an autophagy inhibitor or inducer was also examined. The results of the present study indicated that autophagic flux may have an important function in the resistance of HER2-positive human gastric cancer NCI-N87 cells to Tzb. Tzb resistance in NCI-N87 cells prevents cell apoptosis via autophagic flux inhibition. Tzb may activate the Akt/mTOR pathway to inhibit autophagic flux in gastric cancer cell lines. Everolimus, an mTOR inhibitor, may inhibit cell viability, indicating that the mTOR pathway may serve a function in HER2-positive gastric cancer and that the resistance of HER2-positive gastric cancer to Tzb may, at least partially, be due to activation of the mTOR pathway.
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Affiliation(s)
- Hua Ye
- Department of Gastrointestinal and Hernia, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315010, P.R. China
| | - Xuyu Chai
- National Pharmaceutical Engineering Research Center, China State Institute of Pharmaceutical Industry, Shanghai 201203, P.R. China
| | - Xiaoyu Wang
- Laboratory of Immunology and Virology, Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P.R. China
| | - Qi Zheng
- Department of Gastrointestinal and Hernia, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315010, P.R. China
| | - Dingcheng Zheng
- Department of Gastrointestinal and Hernia, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315010, P.R. China
| | - Feng Wu
- Department of Gastrointestinal and Hernia, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315010, P.R. China
| | - Cheng Zheng
- Department of Gastrointestinal and Hernia, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315010, P.R. China
| | - Ping Chen
- Department of Gastrointestinal and Hernia, Ningbo No. 2 Hospital, Ningbo, Zhejiang 315010, P.R. China
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Zou N, Wei Y, Li F, Yang Y, Cheng X, Wang C. The inhibitory effects of compound Muniziqi granule against B16 cells and harmine induced autophagy and apoptosis by inhibiting Akt/mTOR pathway. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 17:517. [PMID: 29197358 PMCID: PMC5712103 DOI: 10.1186/s12906-017-2017-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Accepted: 11/19/2017] [Indexed: 12/27/2022]
Abstract
Background Compound Muniziqi granule (MNZQ) is a multi-component herbal preparation and a popular traditional Uighur medicine used in China for treating endocrine disorder-induced acne, chloasma, dysmenorrhea, menopausal syndrome, and melanoma. Harmine presented in MNZQ has been confirmed potential anticancer effect on the B16 cells among others. The purpose of this study is to explore the inhibitory effects of MNZQ against B16 cells and mechanism of autophagy and apoptosis induced by harmine in B16 cells. Methods The cell viability was calculated by CCK8 assay. The in vitro tyrosinase activity was determined by spectrophotometry. The harmine-induced autophagy was demonstrated by electron microscopy and MDC staining. Flow cytometry was used to measure cell death and cell cycle distribution. All proteins expression was assessed by western blot. Results MNZQ and some herb extracts contained in preparation displayed inhibitory effects on B16 cells but without inhibition on mushroom tyrosinase compared with kojic acid. The formation of autophagosome was markedly induced by harmine with the accretion of LC3-II and the degeneration of p62 in B16 cells, which indicated that harmine was an autophagy inducer. Cell death and sub-G2 population suggested that harmine could induce cell death. Particularly, 3-MA, an autophagy inhibitor, was discovered to prevent harmine-induced decrease of the cell viability and cell cycle arrest on G2 phase, indicating that autophagy was vital to the cell death. In addition, the results indicated that harmine could inhibit the phosphorylation of Akt and mTOR, which might mediate autophagy. Conclusion Harmine could induce autophagy and apoptosis by inhibiting Akt/mTOR pathway in B16 cells. Harmine might be a promising therapeutic agent for treatment of melanoma in MNZQ.
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Perumalsamy H, Sankarapandian K, Kandaswamy N, Balusamy SR, Periyathambi D, Raveendiran N. Cellular effect of styrene substituted biscoumarin caused cellular apoptosis and cell cycle arrest in human breast cancer cells. Int J Biochem Cell Biol 2017; 92:104-114. [PMID: 28958615 DOI: 10.1016/j.biocel.2017.09.019] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 09/14/2017] [Accepted: 09/24/2017] [Indexed: 01/30/2023]
Abstract
BACKGROUND Coumarins occurs naturally across plant kingdoms exhibits significant pharmacological properties and pharmacokinetic activity. The conventional, therapeutic agents are often associated with poor stability, absorption and increased side effects. Therefore, identification of a drug that has little or no-side effect on humans is consequential. Here, we investigated the antiproliferative activity of styrene substituted biscoumarin against various human breast cancer cell lines, such as MCF-7, (ER-) MDA-MB-231 and (AR+) MDA-MB-453. Styrene substituted biscoumarin induced cell death by apoptosis in MDA-MB-231 cell line was analyzed. METHODS Antiproliferative activity of Styrene substituted biscoumarin was performed by using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assay. Styrene substituted biscoumarin induced apoptosis was assessed by Hoechst staining, Annexin V-fluorescein isothiocyanate/propidium iodide (Annexin V-FITC/PI) staining and flow cytometric analysis. Migratory and proliferating characteristic of breast cancer cell line MDA-MB-231 was also analyzed by wound healing and colony formation assay. Furthermore, mRNA expression of BAX and BCL-2 were quantified using qRT-PCR and protein expression level analyzed by Western blot. RESULTS The inhibition concentration (IC50) of styrene substituted biscoumarin was assayed against three breast cancer cell lines. The inhibition concentration (IC50) value of styrene substituted biscoumarin toward MDA-MB-231, MDA-MB-453 and MCF-7 cell lines was 5.63, 7.30 and 10.84μg/ml respectively. Styrene substituted biscoumarin induced apoptosis was detected by Hoechst staining, DAPI/PI analysis and flow-cytometric analysis. The migration and proliferative efficiency of MDA-MB-231 cells were completely arrested upon styrene substituted biscoumarin treatment. Also, mRNA gene expression and protein expression of pro-apoptotic (BAX) and anti-apoptotic (BCL-2) genes were analyzed by qRT-PCR and western blot analysis upon styrene substituted biscoumarin treatment to MDA-MB-231 cells. Our results showed that styrene substituted biscoumarin downregulated BCL-2 gene expression and upregulated BAX gene expression to trigger apoptotic process. CONCLUSION Styrene substituted biscoumarin could induce apoptosis through intrinsic mitochondrial pathway in breast cancer cell lines, particularly in MDA-MB-231. Our data suggest that styrene substituted biscoumarin may act as a potential chemotherapeutic agent against breast cancer.
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Affiliation(s)
- Haribalan Perumalsamy
- Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea.
| | - Karuppasamy Sankarapandian
- Research Institute of Agriculture and Life Sciences, College of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Narendran Kandaswamy
- Department of Chemistry, Saveetha Engineering College, Thandalam, Chennai 602 105, India
| | - Sri Renukadevi Balusamy
- Department of Food Science and Biotechnology, Sejong University, Gwangjin-gu, Seoul 05006, Republic of Korea
| | - Dhaiveegan Periyathambi
- Department of Chemical Engineering, Department of Chemical Engineering, Tatung University, Taipei, 10451, Taiwan
| | - Nanthini Raveendiran
- Postgraduate and Research Department of Chemistry, Pachaiyappa's College, University of Madras, Chennai 600 030, India
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29
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Byun S, Lee E, Lee KW. Therapeutic Implications of Autophagy Inducers in Immunological Disorders, Infection, and Cancer. Int J Mol Sci 2017; 18:ijms18091959. [PMID: 28895911 PMCID: PMC5618608 DOI: 10.3390/ijms18091959] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 09/10/2017] [Accepted: 09/11/2017] [Indexed: 12/19/2022] Open
Abstract
Autophagy is an essential catabolic program that forms part of the stress response and enables cells to break down their own intracellular components within lysosomes for recycling. Accumulating evidence suggests that autophagy plays vital roles in determining pathological outcomes of immune responses and tumorigenesis. Autophagy regulates innate and adaptive immunity affecting the pathologies of infectious, inflammatory, and autoimmune diseases. In cancer, autophagy appears to play distinct roles depending on the context of the malignancy by either promoting or suppressing key determinants of cancer cell survival. This review covers recent developments in the understanding of autophagy and discusses potential therapeutic interventions that may alter the outcomes of certain diseases.
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Affiliation(s)
- Sanguine Byun
- Division of Bioengineering, Incheon National University, Incheon 22012, Korea.
| | - Eunjung Lee
- Traditional Alcoholic Beverage Research Team, Korea Food Research Institute, Seongnam 13539, Korea.
| | - Ki Won Lee
- Advanced Institutes of Convergence Technology, Seoul National University, Suwon 16495, Korea.
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea.
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30
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Law BYK, Qu YQ, Mok SWF, Liu H, Zeng W, Han Y, Gordillo-Martinez F, Chan WK, Wong KMC, Wong VKW. New perspectives of cobalt tris(bipyridine) system: anti-cancer effect and its collateral sensitivity towards multidrug-resistant (MDR) cancers. Oncotarget 2017; 8:55003-55021. [PMID: 28903398 PMCID: PMC5589637 DOI: 10.18632/oncotarget.18991] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Accepted: 06/16/2017] [Indexed: 01/08/2023] Open
Abstract
Platinating compounds including cisplatin, carboplatin, and oxaliplatin are common chemotherapeutic agents, however, patients developed resistance to these clinical agents after initial therapeutic treatments. Therefore, different approaches have been applied to identify novel therapeutic agents, molecular mechanisms, and targets for overcoming drug resistance. In this study, we have identified a panel of cobalt complexes that were able to specifically induce collateral sensitivity in taxol-resistant and p53-deficient cancer cells. Consistently, our reported anti-cancer functions of cobalt complexes 1-6 towards multidrug-resistant cancers have suggested the protective and non-toxic properties of cobalt metal-ions based compounds in anti-cancer therapies. As demonstrated in xenograft mouse model, our results also confirmed the identified cobalt complex 2 was able to suppress tumor growth in vivo. The anti-cancer effect of the cobalt complex 2 was further demonstrated to be exerted via the induction of autophagy, cell cycle arrest, and inhibition of cell invasion and P-glycoprotein (P-gp) activity. These data have provided alternative metal ion compounds for targeting drug resistance cancers in chemotherapies.
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Affiliation(s)
- Betty Yuen Kwan Law
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, P.R. China
| | - Yuan Qing Qu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, P.R. China
| | - Simon Wing Fai Mok
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, P.R. China
| | - Hauwei Liu
- Department of Chemistry, South University of Science and Technology of China, Tangchang Boulevard, Nanshan District, Shenzhen, P.R. China
| | - Wu Zeng
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, P.R. China
| | - Yu Han
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, P.R. China
| | - Flora Gordillo-Martinez
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, P.R. China
| | - Wai-Kit Chan
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, P.R. China
| | - Keith Man-Chung Wong
- Department of Chemistry, South University of Science and Technology of China, Tangchang Boulevard, Nanshan District, Shenzhen, P.R. China
| | - Vincent Kam Wai Wong
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, P.R. China
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31
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Bhardwaj M, Paul S, Jakhar R, Khan I, Kang JI, Kim HM, Yun JW, Lee SJ, Cho HJ, Lee HG, Kang SC. Vitexin confers HSF-1 mediated autophagic cell death by activating JNK and ApoL1 in colorectal carcinoma cells. Oncotarget 2017; 8:112426-112441. [PMID: 29348836 PMCID: PMC5762521 DOI: 10.18632/oncotarget.20113] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 07/25/2017] [Indexed: 11/25/2022] Open
Abstract
Heat shock transcription factor-1 (HSF-1) guards the cancerous cells proteome against the alterations in protein homeostasis generated by their hostile tumor microenvironment. Contrasting with the classical induction of heat shock proteins, the pro-oncogenic activities of HSF-1 remains to be explored. Therefore, cancer's fragile proteostatic pathway governed by HSF-1 could be a potential therapeutic target and novel biomarker by natural compounds. Vitexin, a natural flavonoid has been documented as a potent anti-tumor agent on various cell lines. However, in the present study, when human colorectal carcinoma HCT-116 cells were exposed to vitexin, the induction of HSF-1 downstream target proteins, such as heat shock proteins were suppressed. We identified HSF-1 as a potential molecular target of vitexin that interact with DNA-binding domain of HSF-1, which inhibited HSF-1 oligomerization and activation (in silico). Consequently, HSF-1 hyperphosphorylation mediated by JNK operation causes transcriptional inactivation of HSF-1, and supported ROS-mediated autophagy induction. Interestingly, in HSF-1 immunoprecipitated and silenced HCT-116 cells, co-expression of apolipoprotein 1 (ApoL1) and JNK was observed which promoted the caspase independent autophagic cell death accompanied by p62 downregulation and increased LC3-I to LC3-II conversion. Finally, in vivo findings confirmed that vitexin suppressed tumor growth through activation of autophagic cascade in HCT-116 xenograft model. Taken together, our study insights a probable novel association between HSF-1 and ApoL-1 was established in this study, which supports HSF-1 as a potential target of vitexin to improve treatment outcome in colorectal cancer.
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Affiliation(s)
- Monika Bhardwaj
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, Republic of Korea
| | - Souren Paul
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, Republic of Korea
| | - Rekha Jakhar
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, Republic of Korea
| | - Imran Khan
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, Republic of Korea
| | - Ji In Kang
- Disease Molecule Biochemistry Laboratory, Graduate School of Medical Science and Engineering (GSMSE), KAIST, Yuseong-gu, Daejeon, Republic of Korea
| | - Ho Min Kim
- Disease Molecule Biochemistry Laboratory, Graduate School of Medical Science and Engineering (GSMSE), KAIST, Yuseong-gu, Daejeon, Republic of Korea
| | - Jong Won Yun
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, Republic of Korea
| | - Seon-Jin Lee
- Immunotherapy Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea.,Department of Biomolecular Science, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Hee Jun Cho
- Immunotherapy Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea
| | - Hee Gu Lee
- Immunotherapy Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, Republic of Korea.,Department of Biomolecular Science, University of Science and Technology (UST), Daejeon, Republic of Korea
| | - Sun Chul Kang
- Department of Biotechnology, Daegu University, Kyoungsan, Kyoungbook, Republic of Korea
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32
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Lin SR, Fu YS, Tsai MJ, Cheng H, Weng CF. Natural Compounds from Herbs that can Potentially Execute as Autophagy Inducers for Cancer Therapy. Int J Mol Sci 2017; 18:ijms18071412. [PMID: 28671583 PMCID: PMC5535904 DOI: 10.3390/ijms18071412] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 06/19/2017] [Accepted: 06/27/2017] [Indexed: 01/07/2023] Open
Abstract
Accumulated evidence indicates that autophagy is a response of cancer cells to various anti-cancer therapies. Autophagy is designated as programmed cell death type II, and is characterized by the formation of autophagic vacuoles in the cytoplasm. Numerous herbs, including Chinese herbs, have been applied to cancer treatments as complementary and alternative medicines, supplements, or nutraceuticals to dampen the side or adverse effects of chemotherapy drugs. Moreover, the tumor suppressive actions of herbs and natural products induced autophagy that may lead to cell senescence, increase apoptosis-independent cell death or complement apoptotic processes. Hereby, the underlying mechanisms of natural autophagy inducers are cautiously reviewed in this article. Additionally, three natural compounds—curcumin, 16-hydroxycleroda-3,13-dien-15,16-olide, and prodigiosin—are presented as candidates for autophagy inducers that can trigger cell death in a supplement or alternative medicine for cancer therapy. Despite recent advancements in therapeutic drugs or agents of natural products in several cancers, it warrants further investigation in preclinical and clinical studies.
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Affiliation(s)
- Shian-Ren Lin
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, 97401 Hualien, Taiwan.
| | - Yaw-Syan Fu
- Department of Biomedical Science and Environmental Biology, Kaohsiung Medical University, 807 Kaohsiung city, Taiwan.
| | - May-Jywan Tsai
- Neural Regeneration Laboratory, Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, 11221 Taipei, Taiwan.
- Center for Neural Regeneration, Neurological Institute, Taipei Veterans General Hospital, 11221 Taipei, Taiwan.
| | - Henrich Cheng
- Neural Regeneration Laboratory, Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, 11221 Taipei, Taiwan.
- Center for Neural Regeneration, Neurological Institute, Taipei Veterans General Hospital, 11221 Taipei, Taiwan.
| | - Ching-Feng Weng
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, 97401 Hualien, Taiwan.
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33
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Law BYK, Mok SWF, Chen J, Michelangeli F, Jiang ZH, Han Y, Qu YQ, Qiu ACL, Xu SW, Xue WW, Yao XJ, Gao JY, Javed MUH, Coghi P, Liu L, Wong VKW. N-Desmethyldauricine Induces Autophagic Cell Death in Apoptosis-Defective Cells via Ca 2+ Mobilization. Front Pharmacol 2017; 8:388. [PMID: 28670281 PMCID: PMC5472688 DOI: 10.3389/fphar.2017.00388] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 06/02/2017] [Indexed: 12/19/2022] Open
Abstract
Resistance of cancer cells to chemotherapy remains a significant problem in oncology. Mechanisms regulating programmed cell death, including apoptosis, autophagy or necrosis, in the treatment of cancers have been extensively investigated over the last few decades. Autophagy is now emerging as an important pathway in regulating cell death or survival in cancer therapy. Recent studies demonstrated variety of natural small-molecules could induce autophagic cell death in apoptosis-resistant cancer cells, therefore, discovery of novel autophagic enhancers from natural products could be a promising strategy for treatment of chemotherapy-resistant cancer. By computational virtual docking analysis, biochemical assays, and advanced live-cell imaging techniques, we have identified N-desmethyldauricine (LP-4), isolated from rhizoma of Menispermum dauricum DC as a novel inducer of autophagy. LP-4 was shown to induce autophagy via the Ulk-1-PERK and Ca2+/Calmodulin-dependent protein kinase kinase β (CaMKKβ)-AMPK-mTOR signaling cascades, via mobilizing calcium release through inhibition of SERCA, and importantly, lead to autophagic cell death in a panel of cancer cells, apoptosis-defective and apoptosis-resistant cells. Taken together, this study provides detailed insights into the cytotoxic mechanism of a novel autophagic compound that targeting the apoptosis resistant cancer cells, and new implication on drug discovery from natural products for drug resistant cancer therapy.
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Affiliation(s)
- Betty Y K Law
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Simon W F Mok
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Juan Chen
- The Key Laboratory of Molecular Biology on Infectious Diseases, Ministry of Education, The Second Affiliated Hospital of Chongqing Medical University, Chongqing Medical UniversityChongqing, China
| | | | - Zhi-Hong Jiang
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Yu Han
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Yuan Q Qu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Alena C L Qiu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Su-Wei Xu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Wei-Wei Xue
- College of Chemistry and Chemical Engineering, Lanzhou UniversityLanzhou, China
| | - Xiao-Jun Yao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China.,College of Chemistry and Chemical Engineering, Lanzhou UniversityLanzhou, China
| | - Jia Y Gao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Masood-Ul-Hassan Javed
- College of Medicine, King Saud Bin Abdulaziz University for Health SciencesJeddah, Saudi Arabia
| | - Paolo Coghi
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Liang Liu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
| | - Vincent K W Wong
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and TechnologyMacau, China
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Yao CW, Kang KA, Piao MJ, Ryu YS, Fernando PMDJ, Oh MC, Park JE, Shilnikova K, Na SY, Jeong SU, Boo SJ, Hyun JW. Reduced Autophagy in 5-Fluorouracil Resistant Colon Cancer Cells. Biomol Ther (Seoul) 2017; 25:315-320. [PMID: 27737524 PMCID: PMC5424642 DOI: 10.4062/biomolther.2016.069] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 07/15/2016] [Accepted: 07/19/2016] [Indexed: 12/23/2022] Open
Abstract
We investigated the role of autophagy in SNUC5/5-FUR, 5-fluorouracil (5-FU) resistant SNUC5 colon cancer cells. SNUC5/5-FUR cells exhibited low level of autophagy, as determined by light microscopy, confocal microscopy, and flow cytometry following acridine orange staining, and the decreased level of GFP-LC3 puncta. In addition, expression of critical autophagic proteins such as Atg5, Beclin-1 and LC3-II and autophagic flux was diminished in SNUC5/5-FUR cells. Whereas production of reactive oxygen species (ROS) was significantly elevated in SNUC5/5-FUR cells, treatment with the ROS inhibitor N-acetyl cysteine further reduced the level of autophagy. Taken together, these results indicate that decreased autophagy is linked to 5-FU resistance in SNUC5 colon cancer cells.
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Affiliation(s)
- Cheng Wen Yao
- School of Medicine No.1 and Institute for Nuclear Science and Technology, Jeju National University, Jeju 63243, Republic of Korea
| | - Kyoung Ah Kang
- School of Medicine No.1 and Institute for Nuclear Science and Technology, Jeju National University, Jeju 63243, Republic of Korea
| | - Mei Jing Piao
- School of Medicine No.1 and Institute for Nuclear Science and Technology, Jeju National University, Jeju 63243, Republic of Korea
| | - Yea Seong Ryu
- School of Medicine No.1 and Institute for Nuclear Science and Technology, Jeju National University, Jeju 63243, Republic of Korea
| | | | - Min Chang Oh
- School of Medicine No.1 and Institute for Nuclear Science and Technology, Jeju National University, Jeju 63243, Republic of Korea
| | - Jeong Eon Park
- School of Medicine No.1 and Institute for Nuclear Science and Technology, Jeju National University, Jeju 63243, Republic of Korea
| | - Kristina Shilnikova
- School of Medicine No.1 and Institute for Nuclear Science and Technology, Jeju National University, Jeju 63243, Republic of Korea
| | - Soo-Young Na
- School of Medicine No.2, Jeju National University, Jeju 63241, Republic of Korea
| | - Seung Uk Jeong
- School of Medicine No.2, Jeju National University, Jeju 63241, Republic of Korea
| | - Sun-Jin Boo
- School of Medicine No.2, Jeju National University, Jeju 63241, Republic of Korea
| | - Jin Won Hyun
- School of Medicine No.1 and Institute for Nuclear Science and Technology, Jeju National University, Jeju 63243, Republic of Korea
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Boonyong C, Pattamadilok C, Suttisri R, Jianmongkol S. Benzophenones and xanthone derivatives from Garcinia schomburgkiana-induced P-glycoprotein overexpression in human colorectal Caco-2 cells via oxidative stress-mediated mechanisms. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2017; 27:8-14. [PMID: 28314481 DOI: 10.1016/j.phymed.2017.01.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 01/20/2017] [Accepted: 01/29/2017] [Indexed: 06/06/2023]
Abstract
BACKGROUND Up-regulation of P-gp is an adaptive survival mechanism of cancer cells from chemotherapy. Three new phytochemicals including two benzophenones, guttiferone K (GK) and oblongifolin C (OC), and a xanthone, isojacaruebin (ISO), are potential anti-cancer agents. However, the capability of these compounds to increase multidrug-resistance (MDR) through P-gp up-regulation in cancer cells has not been reported. PURPOSE This study was to investigate the effects of GK, OC and ISO on P-gp up-regulation in colorectal adenocarcinoma cells (Caco-2 cells). In addition, the mechanisms underlying their inductive effect were also determined. METHODS The inductive effect of GK, OC and ISO on P-gp expression at transcription level was measured by real-time reverse transcription polymerase chain reaction. The reactive oxygen species production was determined by 2', 7'-dichlorofluorescin diacetate assay. The protein content of P-gp and involvement of mitogen-activated protein kinases (MAPK) pathway was evaluated by western blot analysis. RESULTS GK, OC and ISO (50 µM, 24 h) were able to increase the amount of MDR1 mRNA and protein in Caco-2 cells. The presence of N-acetyl-l-cysteine significantly prevented the inductive effect of GK, OC and ISO on MDR1 mRNA level. Moreover, MAPK inhibitors including U0126 (an ERK1/2/MAPK inhibitor) and SB202190 (p38/MAPK inhibitor) suppressed an increase of MDR1 mRNA levels in the cells treated with benzophenones (GK, OC) and xanthone ISO, respectively. These findings were in agreement with the increase of phosphorylated form of either ERK1/2 (p-ERK1/2) or p38 (p-p38) upon treatment of the cells with these three compounds. In addition, OC and ISO, but not GK, increased mRNA of c-Jun level. CONCLUSION The benzophenones GK, OC and xanthone ISO are likely MDR inducers through up-regulation of P-gp expression at transcription level. Their molecular mechanisms involve oxidative stress-mediated activation of MAPK signaling pathway.
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Affiliation(s)
- Cherdsak Boonyong
- Inter-Department Program of Pharmacology, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand
| | - Chutichot Pattamadilok
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Rutt Suttisri
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand
| | - Suree Jianmongkol
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
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Sok SPM, Arshad NM, Azmi MN, Awang K, Ozpolat B, Hasima Nagoor N. The apoptotic effect of 1'S-1'-Acetoxychavicol Acetate (ACA) enhanced by inhibition of non-canonical autophagy in human non-small cell lung cancer cells. PLoS One 2017; 12:e0171329. [PMID: 28158287 PMCID: PMC5291426 DOI: 10.1371/journal.pone.0171329] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 01/18/2017] [Indexed: 12/22/2022] Open
Abstract
Autophagy plays a role in deciding the fate of cells by inducing either survival or death. 1’S-1-acetoxychavicol acetate (ACA) is a phenylpropanoid isolated from rhizomes of Alpinia conchigera and has been reported previously on its apoptotic effects on various cancers. However, the effect of ACA on autophagy remains ambiguous. The aims of this study were to investigate the autophagy-inducing ability of ACA in human non-small cell lung cancer (NSCLC), and to determine its role as pro-survival or pro-death mechanism. Cell viability assay was conducted using MTT. The effect of autophagy was assessed by acridine orange staining, GFP-LC3 punctate formation assay, and protein level were analysed using western blot. Annexin V-FITC/PI staining was performed to detect percentage of cells undergoing apoptosis by using flow cytometry. ACA inhibits the cell viability and induced formation of cytoplasmic vacuoles in NSCLC cells. Acidic vesicular organelles and GFP-LC3 punctate formation were increased in response to ACA exposure in A549 and SK-LU-1 cell lines; implying occurrence of autophagy. In western blot, accumulation of LC3-II accompanied by degradation of p62 was observed, which further confirmed the full flux of autophagy induction by ACA. The reduction of Beclin-1 upon ACA treatment indicated the Beclin-1-independent autophagy pathway. An early autophagy inhibitor, 3-methyaldenine (3-MA), failed to suppress the autophagy triggered by ACA; validating the existence of Beclin-1-independent autophagy. Silencing of LC3-II using short interfering RNA (siRNA) abolished the autophagy effects, enhancing the cytotoxicity of ACA through apoptosis. This proposed ACA triggered a pro-survival autophagy in NSCLC cells. Consistently, co-treatment with lysosomal inhibitor, chloroquine (CQ), exerted a synergistic effect resulting in apoptosis. Our findings suggested ACA induced pro-survival autophagy through Beclin-1-independent pathway in NSCLC. Hence, targeting autophagy pathway using autophagy inhibitor such as CQ represented a novel promising approach to potentiate the cytotoxicity of ACA through apoptosis in NSCLC.
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Affiliation(s)
- Sophia P. M. Sok
- Institute of Biological Sciences (Genetics and Molecular Biology), Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
| | - Norhafiza M. Arshad
- Institute of Biological Sciences (Genetics and Molecular Biology), Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
- Centre for Research in Biotechnology for Agriculture (CEBAR), University of Malaya, Kuala Lumpur, Malaysia
| | - Mohamad Nurul Azmi
- Centre of Natural Product Research and Drug Discovery (CENAR), Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
| | - Khalijah Awang
- Centre of Natural Product Research and Drug Discovery (CENAR), Department of Chemistry, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
| | - Bulent Ozpolat
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas, United States of America
| | - Noor Hasima Nagoor
- Institute of Biological Sciences (Genetics and Molecular Biology), Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
- Centre for Research in Biotechnology for Agriculture (CEBAR), University of Malaya, Kuala Lumpur, Malaysia
- * E-mail:
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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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Raddeanoside R13 inhibits breast cancer cell proliferation, invasion, and metastasis. Tumour Biol 2016; 37:9837-47. [DOI: 10.1007/s13277-015-4748-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 12/27/2015] [Indexed: 12/31/2022] Open
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