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Malhotra L, Kaur P, Ethayathulla AS. Flavonoids as potential reactivators of structural mutation p53Y220C by computational and cell-based studies. J Biomol Struct Dyn 2024; 42:9602-9613. [PMID: 37643005 DOI: 10.1080/07391102.2023.2252071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 08/21/2023] [Indexed: 08/31/2023]
Abstract
The p53 Y220C is one of the most frequently observed structural mutants in various human cancers. The substitution of residue Tyr to Cys makes the p53 DNA binding domain susceptible to solvent entry into the hydrophobic core of the domain thereby destabilizing p53, which results in loss of its tumor suppressor activity. The mutation creates a structural crevice at the region between S3/S4 and S7/S8 loops in the DNA binding domain which can be targeted by small molecules. Studies have shown that the synthetic and natural compounds could bind to this crevice and restore the structure and function of the mutant p53Y220C to the wild type. In our previous study, we have shown Curcumin could rescue the function of mutant p53Y220C in pancreatic cancer cell line BxPC-3 harboring genomic mutation. In this study, we explored six flavonoids structurally similar to Curcumin such as Apigenin, Isoliquiritigenin, Liquiritigenin, Luteolin, Methylophiopogonanone A (MPA), and Methylophiopogonanone B (MPB) to test their potency to restore p53Y220C by molecular docking, molecular dynamics simulations and cytotoxicity assay. The secondary structure analysis after the MD simulations suggested that these compounds could stabilize the mutant p53 DNA binding domain to the wild type. In the cell-based cytotoxicity studies using p53Y220C harbouring BxPC-3 cell lines, the compounds MPA and MPB showed 75% cell death at 100 µM concentration. We proposed that the flavonoids MPA and MPB have the therapeutic potential to restore p53Y220C and could be used as a combinatorial therapy to reduce the dosage burden.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Lakshay Malhotra
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, India
- Department of Biochemistry, Sri Venkateswara College, University of Delhi, New Delhi, India
| | - Punit Kaur
- Department of Biophysics, All India Institute of Medical Sciences, New Delhi, India
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Abutayeh RF, Altah M, Mehdawi A, Al-Ataby I, Ardakani A. Chemopreventive Agents from Nature: A Review of Apigenin, Rosmarinic Acid, and Thymoquinone. Curr Issues Mol Biol 2024; 46:6600-6619. [PMID: 39057035 PMCID: PMC11276303 DOI: 10.3390/cimb46070393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 06/15/2024] [Accepted: 06/19/2024] [Indexed: 07/28/2024] Open
Abstract
Cancer, a major challenge to global health and healthcare systems, requires the study of alternative and supportive treatments due to the limitations of conventional therapies. This review examines the chemopreventive potential of three natural compounds: rosmarinic acid, apigenin, and thymoquinone. Derived from various plants, these compounds have demonstrated promising chemopreventive properties in in vitro, in vivo, and in silico studies. Specifically, they have been shown to inhibit cancer cell growth, induce apoptosis, and modulate key signaling pathways involved in cancer progression. The aim of this review is to provide a comprehensive overview of the current research on these phytochemicals, elucidating their mechanisms of action, therapeutic efficacy, and potential as adjuncts to traditional cancer therapies. This information serves as a valuable resource for researchers and healthcare providers interested in expanding their knowledge within the field of alternative cancer therapies.
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Affiliation(s)
- Reem Fawaz Abutayeh
- Faculty of Pharmacy, Applied Science Private University, Amman 11937, Jordan;
| | - Maram Altah
- School of Pharmacy, Al-Qadisiyah College, Amman 11118, Jordan;
| | - Amani Mehdawi
- School of Pharmacy, Al-Qadisiyah College, Amman 11118, Jordan;
| | - Israa Al-Ataby
- Faculty of Pharmacy, Applied Science Private University, Amman 11937, Jordan;
| | - Adel Ardakani
- College of Pharmacy, Amman Arab University, Amman 11953, Jordan;
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Hasibuan PAZ, Keliat JM, Lubis MF, Nasution A. The ethyl acetate extract of Vernonia amygdalina leaf ameliorates gemcitabine effect against migration and invasion of PANC-1 cells via down-regulation the VEGF, COX 2, and RAS/MEK pathways. Saudi Pharm J 2024; 32:101872. [PMID: 38111670 PMCID: PMC10727942 DOI: 10.1016/j.jsps.2023.101872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 11/12/2023] [Indexed: 12/20/2023] Open
Abstract
Individuals diagnosed with cancer often turn to the use of herbal remedies with the intention of treating and ameliorating the condition, impeding the progression of metastasis, enhancing immune function, mitigating stress, and inducing relaxation. Recently, medicinal plants were combined with conventional chemotherapy to decrease the side effects and increase the effectiveness of chemotherapy. This study showed the effectiveness of gemcitabine (Gem) was significantly increased after being used together with ethyl acetate extract obtained from Vernonia amygdalina (Eav) leaves. The combination doses of Eav and Gem were determined based on cytotoxic activity using the MTT assay method. The anticancer effect of this combination was identified by several parameters including the apoptosis effect, anti-migration, and anti-invasion activities of PANC-1 cells. Furthermore, this effect was explained via protein expression evaluation using immunohistochemical and flow cytometry. The Eav has a better Inhibitory Concentration 50 (IC50) than Gem of 21.19 ± 0.64 µg/mL and 164.78 ± 1.40 µg/mL. The combination of Eav and Gem at IC50 (1:1) has the strongest activity than Eav and Gem alone at 500.00 µg/mL. The anti-cancer effect of this combination showed significantly increased levels of apoptosis, particularly in the early phase of 17.46 ± 0.35 % (p < 0.0001) than Eav and Gem alone of 7.76 ± 0.25 % and 7.06 ± 0.20 %. A similar impact was evaluated in the migration and invasion of PANC-1 cells after the combination treatment. The % relative migration and cell invasion were significantly decreased compared to the control group and Eav or Gem alone by 21.49 ± 0.96 % and 125.25 ± 5.25 cells, respectively (p < 0.0001). This study found that signature molecules of VEGF, COX2, RAS, and MEK were down-regulated after treatment. Our study suggested that the Eav ameliorates the Gem effect against PANC-1 cells through apoptosis, migration, and invasion influence via RAS/MEK pathways.
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Affiliation(s)
| | - Jane Melita Keliat
- Department of Pharmaceutical and Food Analysis, Faculty of Vocational, Universitas Sumatera Utara, Indonesia
| | - Muhammad Fauzan Lubis
- Department of Pharmaceutical Biology, Faculty of Pharmacy, Universitas Sumatera Utara, Indonesia
| | - Annisa Nasution
- Department of Pharmacology, Faculty of Pharmacy, Universitas Sumatera Utara, Indonesia
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Gupta M, Ahmad J, Ahamad J, Kundu S, Goel A, Mishra A. Flavonoids as promising anticancer therapeutics: Contemporary research, nanoantioxidant potential, and future scope. Phytother Res 2023; 37:5159-5192. [PMID: 37668281 DOI: 10.1002/ptr.7975] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 06/30/2023] [Accepted: 07/21/2023] [Indexed: 09/06/2023]
Abstract
Flavonoids are natural polyphenolic compounds considered safe, pleiotropic, and readily available molecules. It is widely distributed in various food products such as fruits and vegetables and beverages such as green tea, wine, and coca-based products. Many studies have reported the anticancer potential of flavonoids against different types of cancers, including solid tumors. The chemopreventive effect of flavonoids is attributed to various mechanisms, including modulation of autophagy, induction of cell cycle arrest, apoptosis, and antioxidant defense. Despite of significant anticancer activity of flavonoids, their clinical translation is limited due to their poor biopharmaceutical attributes (such as low aqueous solubility, limited permeability across the biological membranes (intestinal and blood-brain barrier), and stability issue in biological systems). A nanoparticulate system is an approach that is widely utilized to improve the biopharmaceutical performance and therapeutic efficacy of phytopharmaceuticals. The present review discusses the significant anticancer potential of promising flavonoids in different cancers and the utilization of nanoparticulate systems to improve their nanoantioxidant activity further to enhance the anticancer activity of loaded promising flavonoids. Although, various plant-derived secondary metabolites including flavonoids have been recommended for treating cancer, further vigilant research is warranted to prove their translational values.
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Affiliation(s)
- Mukta Gupta
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Javed Ahmad
- Department of Pharmaceutics, College of Pharmacy, Najran University, Najran, Saudi Arabia
| | - Javed Ahamad
- Department of Pharmacognosy, Faculty of Pharmacy, Tishk International University, Erbil, Iraq
| | - Snehashis Kundu
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Assam, India
| | - Archit Goel
- All India Institute of Medical Sciences (AIIMS), Bathinda, Punjab, India
| | - Awanish Mishra
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Assam, India
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Casarcia N, Rogers P, Guld E, Iyer S, Li Y, Burcher JT, DeLiberto LK, Banerjee S, Bishayee A. Phytochemicals for the prevention and treatment of pancreatic cancer: Current progress and future prospects. Br J Pharmacol 2023. [PMID: 37740585 DOI: 10.1111/bph.16249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/06/2023] [Accepted: 09/13/2023] [Indexed: 09/24/2023] Open
Abstract
Pancreatic cancer is the third leading cause of cancer-related deaths in the United States, owing to its aggressive nature and suboptimal treatment options, emphasizing the need for novel therapeutic approaches. Emerging studies have exhibited promising results regarding the therapeutic utility of plant-derived compounds (phytochemicals) in pancreatic cancer. The purpose of this review is to evaluate the potential of phytochemicals in the treatment and prevention of pancreatic cancer. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses was applied to collect articles for this review. Scholarly databases, including PubMed, Scopus and ScienceDirect, were queried for relevant studies using the following keywords: phytochemicals, phenolics, terpenoids, alkaloids, sulfur-containing compounds, in vitro, in vivo, clinical studies, pancreatic cancer, tumour, treatment and prevention. Aggregate results pooled from qualified studies indicate phytochemicals can inhibit pancreatic cancer cell growth or decrease tumour size and volume in animal models. These effects have been attributed to various mechanisms, such as increasing proapoptotic factors, decreasing antiapoptotic factors, or inducing cell death and cell cycle arrest. Notable signalling pathways modulated by phytochemicals include the rat sarcoma/mitogen activated protein kinase, wingless-related integration site/β-catenin and phosphoinositide 3-kinase/protein kinase B/mammalian target of rapamycin signal transduction pathways. Clinically, phytochemicals have been found to increase survival while being well-tolerated and safe, though research is scarce. While these promising results have produced great interest in this field, further in-depth studies are required to characterize the anticancer activities of phytochemicals before they can be utilized to prevent or treat pancreatic cancer in clinical practice.
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Affiliation(s)
- Nicolette Casarcia
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Patrick Rogers
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Emma Guld
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Samvit Iyer
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Yutong Li
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Jack T Burcher
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Lindsay K DeLiberto
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
| | - Sabyasachi Banerjee
- Department of Pharmaceutical Chemistry, Gupta College of Technological Sciences, Asansol, India
| | - Anupam Bishayee
- College of Osteopathic Medicine, Lake Erie College of Osteopathic Medicine, Bradenton, Florida, USA
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Moslehi M, Rezaei S, Talebzadeh P, Ansari MJ, Jawad MA, Jalil AT, Rastegar-Pouyani N, Jafarzadeh E, Taeb S, Najafi M. Apigenin in cancer therapy: Prevention of genomic instability and anticancer mechanisms. Clin Exp Pharmacol Physiol 2023; 50:3-18. [PMID: 36111951 DOI: 10.1111/1440-1681.13725] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 08/18/2022] [Accepted: 09/14/2022] [Indexed: 12/13/2022]
Abstract
The incidence of cancer has been growing worldwide. Better survival rates following the administration of novel drugs and new combination therapies may concomitantly cause concern regarding the long-term adverse effects of cancer therapy, for example, second primary malignancies. Moreover, overcoming tumour resistance to anticancer agents has been long considered as a critical challenge in cancer research. Some low toxic adjuvants such as herb-derived molecules may be of interest for chemoprevention and overcoming the resistance of malignancies to cancer therapy. Apigenin is a plant-derived molecule with attractive properties for chemoprevention, for instance, promising anti-tumour effects, which may make it a desirable adjuvant to reduce genomic instability and the risks of second malignancies among normal tissues. Moreover, it may improve the efficiency of anticancer modalities. This paper aims to review various effects of apigenin in both normal tissues and malignancies. In addition, we explain how apigenin may have the ability to protect usual cells against the genotoxic repercussions following radiotherapy and chemotherapy. Furthermore, the inhibitory effects of apigenin on tumours will be discussed.
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Affiliation(s)
- Masoud Moslehi
- Department of Medical Physics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Sepideh Rezaei
- Department of Chemistry, University of Houston, Houston, Texas, USA
| | - Pourya Talebzadeh
- Student Research Committee, Tehran Medical Faculty, Islamic Azad University, Tehran, Iran
| | - Mohammad Javed Ansari
- Department of Pharmaceutics, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-kharj, Saudi Arabia
| | | | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla, Iraq
| | - Nima Rastegar-Pouyani
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Emad Jafarzadeh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahram Taeb
- Department of Radiology, School of Paramedical Sciences, Guilan University of Medical Sciences, Rasht, Iran.,Medical Biotechnology Research Center, School of Paramedical Sciences, Guilan University of Medical Sciences, Rasht, Iran
| | - Masoud Najafi
- Medical Technology Research Center, Institute of Health Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Apigenin in cancer prevention and therapy: A systematic review and meta-analysis of animal models. Crit Rev Oncol Hematol 2022; 176:103751. [PMID: 35752426 DOI: 10.1016/j.critrevonc.2022.103751] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/15/2022] [Accepted: 06/20/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Apigenin is being increasingly recognized as a cancer chemopreventive agent. We aimed to investigate the anticancer effects of Apigenin in in-vivo studies to know its present research status and how close or how far it is from the clinics. METHODS Several electronic databases such as PubMed, Springer, Cochrane, and ctri.gov.in were searched to fetch the relevant articles. We focused only on published animal studies that reported the anticancer effects of Apigenin against various cancers. Two reviewers independently assessed the risk of bias for each analysis, and the conflicting views were resolved later by consensus. RESULTS A total of 25 studies focused on the anticancer effects of Apigenin on various cancer types, including liver, prostate, pancreatic, lung, nasopharyngeal, skin, colon, colorectal, colitis-associated carcinoma, head and neck squamous cell carcinoma, leukemia, renal cell carcinoma, Ehrlich ascites carcinoma, and breast cancer were included. Overall, Apigenin reduces tumor volume (SMD=-3.597, 95% CI: -4.502 to -2.691, p < 0.001), tumor-weight (SMD=-2.213, 95% CI: -2.897 to -1.529, p < 0.001), tumor number (SMD=-1.081, 95% CI: -1.599 to -0.563, p < 0.001) and tumor load (SMD=-1.556, 95% CI: -2.336 to -0.776, p < 0.001). Further, it has no significant effect on the animal's body-weight (SMD=-0.345, 95% CI: -0.832 to 0.143, p = 0.165). Apigenin exerts anti-tumor effects mainly by inducing apoptosis/cell-cycle arrest. CONCLUSIONS Our analysis suggests that Apigenin has potential anticancer effects against various cancers. However, the poor symmetry of the funnel plot suggested publication bias. Thus, it warrants further research to evaluate the potential of Apigenin alone or as an adjuvant for cancer treatment.
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Zheng B, Zheng Y, Zhang N, Zhang Y, Zheng B. Rhoifolin from Plumula Nelumbinis exhibits anti-cancer effects in pancreatic cancer via AKT/JNK signaling pathways. Sci Rep 2022; 12:5654. [PMID: 35383226 PMCID: PMC8983741 DOI: 10.1038/s41598-022-09581-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 03/25/2022] [Indexed: 02/07/2023] Open
Abstract
This study aimed to evaluate the anti-pancreatic cancer effects of flavonoids in Plumula Nelumbinis. High-performance liquid chromatography/quadrupole time-of-flight mass spectrometry showed that apiin, rhoifolin, and vitexin were three principal components in total flavonoids derived from Plumula Nelumbinis, with vitexin being the most abundant component. Cell viability assay revealed that apiin, rhoifolin, and vitexin could inhibit proliferation of PANC-1 and ASPC-1, with rhoifolin showing the maximum inhibitory effect. Rhoifolin inhibited cell proliferation and promoted apoptosis of pancreatic cancer cells, which was associated with up-regulated JNK and p-JNK as well as down-regulated p-AKT. Rhoifolin also inhibited cell migration and invasion, and increased the antioxidant capacity in PANC-1 and ASPC-1. Besides, AKT activator (SC79) or JNK inhibitor (SP600125) effectively reversed the anticancer effects of rhoifolin in pancreatic cancer. Quantitative proteomics analysis showed that rhoifolin altered proteomic profiles in pancreatic cancer cells. Western blot analysis showed that rhoifolin down-regulated transforming growth factor beta 2 (TGF-β2), the regulator of proteoglycan synthesis, with the concomitant down-regulation of phosphorylated SMAD family member 2 (SMAD2), the downstream effector of TGF-β2. In conclusion, rhoifolin regulates the AKT/JNK/caspase-3 and TGF-β2/SMAD2 signaling pathways, which may contribute to its anti-pancreatic cancer effects.
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Affiliation(s)
- Bingxin Zheng
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, People's Republic of China
| | - Yixin Zheng
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fuzhou, 350002, Fujian, People's Republic of China
| | - Ningning Zhang
- Fujian Provincial Key Laboratory of Quality Science and Processing Technology in Special Starch, Fuzhou, 350002, Fujian, People's Republic of China
| | - Yi Zhang
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, People's Republic of China.
| | - Baodong Zheng
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, People's Republic of China.
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Role of Induced Programmed Cell Death in the Chemopreventive Potential of Apigenin. Int J Mol Sci 2022; 23:ijms23073757. [PMID: 35409117 PMCID: PMC8999072 DOI: 10.3390/ijms23073757] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 02/01/2023] Open
Abstract
The flavonoid apigenin (4′,5,7-trihydroxyflavone), which is one of the most widely distributed phytochemicals in the plant kingdom, is one of the most thoroughly investigated phenolic components. Previous studies have attributed the physiological effects of apigenin to its anti-allergic, antibacterial, antidiabetic, anti-inflammatory, antioxidant, antiviral, and blood-pressure-lowering properties, and its documented anticancer properties have been attributed to the induction of apoptosis and autophagy, the inhibition of inflammation, angiogenesis, and cell proliferation, and the regulation of cellular responses to oxidative stress and DNA damage. The most well-known mechanism for the compound’s anticancer effects in human cancer cell lines is apoptosis, followed by autophagy, and studies have also reported that apigenin induces novel cell death mechanisms, such as necroptosis and ferroptosis. Therefore, the aim of this paper is to review the therapeutic potential of apigenin as a chemopreventive agent, as well as the roles of programmed cell death mechanisms in the compound’s chemopreventive properties.
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Ou A, Zhao X, Lu Z. The potential roles of p53 signaling reactivation in pancreatic cancer therapy. Biochim Biophys Acta Rev Cancer 2022; 1877:188662. [PMID: 34861354 DOI: 10.1016/j.bbcan.2021.188662] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/24/2021] [Accepted: 11/24/2021] [Indexed: 12/25/2022]
Abstract
Globally, pancreatic cancer (PC) is a common and highly malignant gastrointestinal tumor that is characterized by an insidious onset and ready metastasis and recurrence. Over recent decades, the incidence of PC has been increasing on an annual basis; however, the pathogenesis of this condition remains enigmatic. PC is not sensitive to radio- or chemotherapy, and except for early surgical resection, there is no curative treatment regime; consequently, the prognosis for patients with PC is extremely poor. Transcription factor p53 is known to play key roles in many important biological processes in vertebrates, including normal cell growth, differentiation, cell cycle progression, senescence, apoptosis, metabolism, and DNA damage repair. However, there is a significant paucity of basic and clinical studies to describe how p53 gene mutations or protein dysfunction facilitate the occurrence, progression, invasion, and resistance to therapy, of malignancies, including PC. Herein, we describe the involvement of p53 signaling reactivation in PC treatment as well as its underlying molecular mechanisms, thereby providing useful insights for targeting p53-related signal pathways in PC therapy.
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Affiliation(s)
- Aixin Ou
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110004, LN, China
| | - Xiangxuan Zhao
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110004, LN, China
| | - Zaiming Lu
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang 110004, LN, China.
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Ou A, Zhao X, Lu Z. The potential roles of p53 signaling reactivation in pancreatic cancer therapy. Biochim Biophys Acta Rev Cancer 2022; 1877:188662. [DOI: doi10.1016/j.bbcan.2021.188662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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12
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Kollareddy M, Martinez LA. Distinct Classes of Flavonoids and Epigallocatechin Gallate, Polyphenol Affects an Oncogenic Mutant p53 Protein, Cell Growth and Invasion in a TNBC Breast Cancer Cell Line. Cells 2021; 10:cells10040797. [PMID: 33918387 PMCID: PMC8067228 DOI: 10.3390/cells10040797] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/20/2021] [Accepted: 03/29/2021] [Indexed: 11/16/2022] Open
Abstract
Mutant p53(s) are widely considered as oncogenes and promote several gain-of-function oncogenic activities. p53 mutations correlate with higher rates of metastasis and poor survival; therefore, it is paramount to inhibit mutant p53 protein either directly or indirectly. Although some compounds have been developed, none of them have achieved a desirable level of specificity. Some of these compounds only targeted specific mutations. In search of less-toxic compounds, we tested plant-derived compounds on mutant p53 triple-negative breast cancer cell lines. Here, we show that the compounds tested reduced the protein levels of one of the more frequent oncogenic p53 mutants (R249S; hot spot mutation), and its important targets that promote invasion and metastasis, including GMPS and IMPDH1. All compounds tested perturbed the invasion potential of the breast cancer cell line. These compounds downregulated several nucleotide metabolism genes (NMGs) which are essential for cell cycle progression. We observed S-phase arrest correlating to reduced cell proliferation and increased replication stress. Moreover, we also show a reduction of key ETS transcription family members including ETS2, ETS1, ETV1, and ETV4, which are involved in invasion and metastasis. We propose that these compounds may inhibit invasion by interfering with multiple pathways. Our findings exemplify that these tested compounds could inhibit invasion and cell growth in TNBC in a nucleotide-dependent manner.
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Affiliation(s)
- Madhu Kollareddy
- Cancer Epigenetics Laboratory, School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK
- Correspondence: (M.K.); (L.A.M.)
| | - Luis A. Martinez
- Stony Brook Cancer Center, Department of Pathology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY 11790, USA
- Correspondence: (M.K.); (L.A.M.)
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13
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Autophagy: Mechanisms and Therapeutic Potential of Flavonoids in Cancer. Biomolecules 2021; 11:biom11020135. [PMID: 33494431 PMCID: PMC7911475 DOI: 10.3390/biom11020135] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/11/2021] [Accepted: 01/18/2021] [Indexed: 12/13/2022] Open
Abstract
Autophagy, which is a conserved biological process and essential mechanism in maintaining homeostasis and metabolic balance, enables cells to degrade cytoplasmic constituents through lysosomes, recycle nutrients, and survive during starvation. Autophagy exerts an anticarcinogenic role in normal cells and inhibits the malignant transformation of cells. On the other hand, aberrations in autophagy are involved in gene derangements, cell metabolism, the process of tumor immune surveillance, invasion and metastasis, and tumor drug-resistance. Therefore, autophagy-targeted drugs may function as anti-tumor agents. Accumulating evidence suggests that flavonoids have anticarcinogenic properties, including those relating to cellular proliferation inhibition, the induction of apoptosis, autophagy, necrosis, cell cycle arrest, senescence, the impairment of cell migration, invasion, tumor angiogenesis, and the reduction of multidrug resistance in tumor cells. Flavonoids, which are a group of natural polyphenolic compounds characterized by multiple targets that participate in multiple pathways, have been widely studied in different models for autophagy modulation. However, flavonoid-induced autophagy commonly interacts with other mechanisms, comprehensively influencing the anticancer effect. Accordingly, targeted autophagy may become the core mechanism of flavonoids in the treatment of tumors. This paper reviews the flavonoid-induced autophagy of tumor cells and their interaction with other mechanisms, so as to provide a comprehensive and in-depth account on how flavonoids exert tumor-suppressive effects through autophagy.
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Ahmed SA, Parama D, Daimari E, Girisa S, Banik K, Harsha C, Dutta U, Kunnumakkara AB. Rationalizing the therapeutic potential of apigenin against cancer. Life Sci 2020; 267:118814. [PMID: 33333052 DOI: 10.1016/j.lfs.2020.118814] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/14/2020] [Accepted: 11/20/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Despite the remarkable advances made in the diagnosis and treatment of cancer during the past couple of decades, it remains the second largest cause of mortality in the world, killing approximately 9.6 million people annually. The major challenges in the treatment of the advanced stage of this disease are the development of chemoresistance, severe adverse effects of the drugs, and high treatment cost. Therefore, the development of drugs that are safe, efficacious, and cost-effective remains a 'Holy Grail' in cancer research. However, the research over the past four decades shed light on the cancer-preventive and therapeutic potential of natural products and their underlying mechanism of action. Apigenin is one such compound, which is known to be safe and has significant potential in the prevention and therapy of this disease. AIM To assess the literature available on the potential of apigenin and its analogs in modulating the key molecular targets leading to the prevention and treatment of different types of cancer. METHOD A comprehensive literature search has been carried out on PubMed for obtaining information related to the sources and analogs, chemistry and biosynthesis, physicochemical properties, biological activities, bioavailability and toxicity of apigenin. KEY FINDINGS The literature search resulted in many in vitro, in vivo and a few cohort studies that evidenced the effectiveness of apigenin and its analogs in modulating important molecular targets and signaling pathways such as PI3K/AKT/mTOR, JAK/STAT, NF-κB, MAPK/ERK, Wnt/β-catenin, etc., which play a crucial role in the development and progression of cancer. In addition, apigenin was also shown to inhibit chemoresistance and radioresistance and make cancer cells sensitive to these agents. Reports have further revealed the safety of the compound and the adaptation of nanotechnological approaches for improving its bioavailability. SIGNIFICANCE Hence, the present review recapitulates the properties of apigenin and its pharmacological activities against different types of cancer, which warrant further investigation in clinical settings.
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Affiliation(s)
- Semim Akhtar Ahmed
- Cell and Molecular Biology Laboratory, Department of Zoology, Cotton University, Pan Bazar, Guwahati, Assam 781001, India
| | - Dey Parama
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Enush Daimari
- Cell and Molecular Biology Laboratory, Department of Zoology, Cotton University, Pan Bazar, Guwahati, Assam 781001, India
| | - Sosmitha Girisa
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Kishore Banik
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Choudhary Harsha
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India
| | - Uma Dutta
- Cell and Molecular Biology Laboratory, Department of Zoology, Cotton University, Pan Bazar, Guwahati, Assam 781001, India.
| | - Ajaikumar B Kunnumakkara
- Cancer Biology Laboratory and DBT-AIST International Center for Translational and Environmental Research (DAICENTER), Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Assam 781039, India.
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15
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Villalobos-Ayala K, Ortiz Rivera I, Alvarez C, Husain K, DeLoach D, Krystal G, Hibbs ML, Jiang K, Ghansah T. Apigenin Increases SHIP-1 Expression, Promotes Tumoricidal Macrophages and Anti-Tumor Immune Responses in Murine Pancreatic Cancer. Cancers (Basel) 2020; 12:cancers12123631. [PMID: 33291556 PMCID: PMC7761852 DOI: 10.3390/cancers12123631] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 12/02/2020] [Indexed: 02/06/2023] Open
Abstract
Pancreatic cancer (PC) has an extremely poor prognosis due to the expansion of immunosuppressive myeloid-derived suppressor cells (MDSC) and tumor-associated macrophages (TAM) in the inflammatory tumor microenvironment (TME), which halts the recruitment of effector immune cells and renders immunotherapy ineffective. Thus, the identification of new molecular targets that can modulate the immunosuppressive TME is warranted for PC intervention. Src Homology-2 (SH2) domain-containing Inositol 5'-Phosphatase-1 (SHIP-1) is a lipid signaling protein and a regulator of myeloid cell development and function. Herein, we used the bioflavonoid apigenin (API) to reduce inflammation in different PC models. Wild type mice harboring heterotopic or orthotopic PC were treated with API, which induced SHIP-1 expression, reduced inflammatory tumor-derived factors (TDF), increased the proportion of tumoricidal macrophages and enhanced anti-tumor immune responses, resulting in a reduction in tumor burden compared to vehicle-treated PC mice. In contrast, SHIP-1-deficient mice exhibited an increased tumor burden and displayed augmented proportions of pro-tumor macrophages. These results provide further support for the importance of SHIP-1 expression in promoting pro-tumor macrophage development in the pancreatic TME. Our findings suggest that agents augmenting SHIP-1 expression may provide novel therapeutic options for the treatment of PC.
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Affiliation(s)
- Krystal Villalobos-Ayala
- Department of Molecular Medicine, Morsani College of Medicine at the University of South Florida, Tampa, FL 33612, USA; (K.V.-A.); (I.O.R.); (C.A.); (K.H.)
| | - Ivannie Ortiz Rivera
- Department of Molecular Medicine, Morsani College of Medicine at the University of South Florida, Tampa, FL 33612, USA; (K.V.-A.); (I.O.R.); (C.A.); (K.H.)
| | - Ciara Alvarez
- Department of Molecular Medicine, Morsani College of Medicine at the University of South Florida, Tampa, FL 33612, USA; (K.V.-A.); (I.O.R.); (C.A.); (K.H.)
| | - Kazim Husain
- Department of Molecular Medicine, Morsani College of Medicine at the University of South Florida, Tampa, FL 33612, USA; (K.V.-A.); (I.O.R.); (C.A.); (K.H.)
| | - DeVon DeLoach
- Comparative Medicine at the University of South Florida, Tampa, FL 33612, USA;
| | - Gerald Krystal
- The Terry Fox Laboratory, BC Cancer, Vancouver, BC V5Z 1L3, Canada;
| | - Margaret L. Hibbs
- Department of Immunology and Pathology, Central Clinical School, Monash University, Melbourne 3004, Australia;
| | - Kun Jiang
- Anatomic Pathology Department, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA;
| | - Tomar Ghansah
- Department of Molecular Medicine, Morsani College of Medicine at the University of South Florida, Tampa, FL 33612, USA; (K.V.-A.); (I.O.R.); (C.A.); (K.H.)
- Department of Immunology, H. Lee Moffitt Cancer Center, Tampa, FL 33612, USA
- Correspondence: ; Tel.: +1-813-974-1825
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16
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Ashrafizadeh M, Bakhoda MR, Bahmanpour Z, Ilkhani K, Zarrabi A, Makvandi P, Khan H, Mazaheri S, Darvish M, Mirzaei H. Apigenin as Tumor Suppressor in Cancers: Biotherapeutic Activity, Nanodelivery, and Mechanisms With Emphasis on Pancreatic Cancer. Front Chem 2020; 8:829. [PMID: 33195038 PMCID: PMC7593821 DOI: 10.3389/fchem.2020.00829] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 08/05/2020] [Indexed: 12/13/2022] Open
Abstract
Pancreatic cancer is the most lethal malignancy of the gastrointestinal tract. Due to its propensity for early local and distant spread, affected patients possess extremely poor prognosis. Currently applied treatments are not effective enough to eradicate all cancer cells, and minimize their migration. Besides, these treatments are associated with adverse effects on normal cells and organs. These therapies are not able to increase the overall survival rate of patients; hence, finding novel adjuvants or alternatives is so essential. Up to now, medicinal herbs were utilized for therapeutic goals. Herbal-based medicine, as traditional biotherapeutics, were employed for cancer treatment. Of them, apigenin, as a bioactive flavonoid that possesses numerous biological properties (e.g., anti-inflammatory and anti-oxidant effects), has shown substantial anticancer activity. It seems that apigenin is capable of suppressing the proliferation of cancer cells via the induction of cell cycle arrest and apoptosis. Besides, apigenin inhibits metastasis via down-regulation of matrix metalloproteinases and the Akt signaling pathway. In pancreatic cancer cells, apigenin sensitizes cells in chemotherapy, and affects molecular pathways such as the hypoxia inducible factor (HIF), vascular endothelial growth factor (VEGF), and glucose transporter-1 (GLUT-1). Herein, the biotherapeutic activity of apigenin and its mechanisms toward cancer cells are presented in the current review to shed some light on anti-tumor activity of apigenin in different cancers, with an emphasis on pancreatic cancer.
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Affiliation(s)
- Milad Ashrafizadeh
- Department of Basic Science, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Mohammad Reza Bakhoda
- Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Zahra Bahmanpour
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Khandan Ilkhani
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ali Zarrabi
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Istanbul, Turkey
| | - Pooyan Makvandi
- Centre for Micro-BioRobotics, Istituto Italiano di Tecnologia, Pisa, Italy.,Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan, Pakistan
| | - Samaneh Mazaheri
- Department of Analytical Chemistry, Faculty of Chemistry, University of Kashan, Kashan, Iran
| | - Maryam Darvish
- Department of Medical Biotechnology, Faculty of Medicine, Arak University of Medical Science, Arak, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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17
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Hurtado M, Prokai L, Sankpal UT, Levesque B, Maram R, Chhabra J, Brown DT, Gurung RK, Holder AA, Vishwanatha JK, Basha R. Next generation sequencing and functional pathway analysis to understand the mechanism of action of copper-tolfenamic acid against pancreatic cancer cells. Process Biochem 2020; 89:155-164. [PMID: 32719579 PMCID: PMC7384693 DOI: 10.1016/j.procbio.2019.10.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Anti-cancer activity of tolfenamic acid (TA) in preclinical models for pancreatic cancer (PaCa) is well established. Since the dosage for anti-cancer actions of TA is rather high, we recently demonstrated that IC50 values of Copper-TA are 30-80% less than TA in 12 cancer cell lines. This study elucidates the underlying mechanisms of Copper-TA in PaCa cells. Control and Copper-TA (IC50) treated PaCa cells were processed by next-generation sequencing (NGS) to determine differentially expressed genes using HTG EdgeSeq Oncology Biomarker panel. Ingenuity Pathway Analysis (IPA®) was used to identify functional significance of altered genes. The conformational studies for assessing the expression of key regulators and genes were conducted by Western blot and qPCR. IPA® identified several networks, regulators, as well as molecular and cellular functions associated with cancer. The top 5 molecular and cellular functions affected by Cu-TA treatment were cell death and survival, cellular development, cell growth and proliferation, cell cycle and cellular movement. The expression of top upstream regulators was confirmed by Western blot analysis while qPCR results of selected genes demonstrated that Copper-TA is efficacious at lower doses than TA. Results suggest that Copper-TA alters genes/key regulators associated with cancer and potentially serve as an effective anti-cancer agent.
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Affiliation(s)
- Myrna Hurtado
- Biochemistry and Cancer Biology, Graduate School of Biomedical Sciences, University of North Texas Health Science Center, Fort Worth, TX, 76107, United States
| | - Laszlo Prokai
- Department of Pharmacology and Neuroscience, Institute for Healthy Aging, Graduate School of Biomedical Sciences, University of North Texas Health Science Center, Fort Worth, TX, 76107, United States
| | - Umesh T Sankpal
- Texas College of Osteopathic Medicine, University of North Texas Health Science Center, Fort Worth, TX, 76107, United States
| | - Blair Levesque
- Texas College of Osteopathic Medicine, University of North Texas Health Science Center, Fort Worth, TX, 76107, United States
| | - Rajasekhar Maram
- Texas College of Osteopathic Medicine, University of North Texas Health Science Center, Fort Worth, TX, 76107, United States
| | - Jaya Chhabra
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, 23529, United States
| | - Deondra T Brown
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, 23529, United States
| | - Raj K Gurung
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, 23529, United States
| | - Alvin A Holder
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, 23529, United States
| | - Jamboor K Vishwanatha
- Department of Microbiology, Immunology and Genetics, Graduate School of Biomedical Sciences University of North Texas Health Science Center, Fort Worth, TX, 76107, United States
| | - Riyaz Basha
- Texas College of Osteopathic Medicine, University of North Texas Health Science Center, Fort Worth, TX, 76107, United States
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18
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Thyagarajan A, Forino AS, Konger RL, Sahu RP. Dietary Polyphenols in Cancer Chemoprevention: Implications in Pancreatic Cancer. Antioxidants (Basel) 2020; 9:antiox9080651. [PMID: 32717779 PMCID: PMC7464582 DOI: 10.3390/antiox9080651] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/26/2020] [Accepted: 06/01/2020] [Indexed: 02/06/2023] Open
Abstract
Naturally occurring dietary agents present in a wide variety of plant products, are rich sources of phytochemicals possessing medicinal properties, and thus, have been used in folk medicine for ages to treat various ailments. The beneficial effects of such dietary components are frequently attributed to their anti-inflammatory and antioxidant properties, particularly in regards to their antineoplastic activities. As many tumor types exhibit greater oxidative stress levels that are implicated in favoring autonomous cell growth activation, most chemotherapeutic agents can also enhance tumoral oxidative stress levels in part via generating reactive oxygen species (ROS). While ROS-mediated imbalance of the cellular redox potential can provide novel drug targets, as a consequence, this ROS-mediated excessive damage to cellular functions, including oncogenic mutagenesis, has also been implicated in inducing chemoresistance. This remains one of the major challenges in the treatment and management of human malignancies. Antioxidant-enriched natural compounds offer one of the promising approaches in mitigating some of the underlying mechanisms involved in tumorigenesis and metastasis, and therefore, have been extensively explored in cancer chemoprevention. Among various groups of dietary phytochemicals, polyphenols have been extensively explored for their underlying chemopreventive mechanisms in other cancer models. Thus, the current review highlights the significance and mechanisms of some of the highly studied polyphenolic compounds, with greater emphasis on pancreatic cancer chemoprevention.
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Affiliation(s)
- Anita Thyagarajan
- Department of Pharmacology and Toxicology, Boonshoft School of medicine Wright State University, Dayton, OH 45435, USA
- Correspondence: (A.T.); (R.P.S.); Tel.: +1-937-775-4603 (R.P.S.)
| | - Andrew S. Forino
- Department of Anatomy and Physiology, Boonshoft School of medicine Wright State University, Dayton, OH 45435, USA;
| | - Raymond L. Konger
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA;
| | - Ravi P. Sahu
- Department of Pharmacology and Toxicology, Boonshoft School of medicine Wright State University, Dayton, OH 45435, USA
- Correspondence: (A.T.); (R.P.S.); Tel.: +1-937-775-4603 (R.P.S.)
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19
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Imran M, Aslam Gondal T, Atif M, Shahbaz M, Batool Qaisarani T, Hanif Mughal M, Salehi B, Martorell M, Sharifi-Rad J. Apigenin as an anticancer agent. Phytother Res 2020; 34:1812-1828. [PMID: 32059077 DOI: 10.1002/ptr.6647] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/03/2020] [Accepted: 01/31/2020] [Indexed: 12/26/2022]
Abstract
Apigenin is an edible plant-derived flavonoid that has been reported as an anticancer agent in several experimental and biological studies. It exhibits cell growth arrest and apoptosis in different types of tumors such as breast, lung, liver, skin, blood, colon, prostate, pancreatic, cervical, oral, and stomach, by modulating several signaling pathways. Apigenin induces apoptosis by the activation of extrinsic caspase-dependent pathway by upregulating the mRNA expressions of caspase-3, caspase-8, and TNF-α. It induces intrinsic apoptosis pathway as evidenced by the induction of cytochrome c, Bax, and caspase-3, while caspase-8, TNF-α, and B-cell lymphoma 2 levels remained unchanged in human prostate cancer PC-3 cells. Apigenin treatment leads to significant downregulation of matrix metallopeptidases-2, -9, Snail, and Slug, suppressing invasion. The expressions of NF-κB p105/p50, PI3K, Akt, and the phosphorylation of p-Akt decreases after treatment with apigenin. However, apigenin-mediated treatment significantly reduces pluripotency marker Oct3/4 protein expression which might be associated with the downregulation of PI3K/Akt/NF-κB signaling.
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Affiliation(s)
- Muhammad Imran
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore-Lahore, Lahore, Pakistan
| | - Tanweer Aslam Gondal
- School of Exercise and Nutrition, Deakin University, Melbourne, Victoria, Australia
| | - Muhammad Atif
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
| | - Muhammad Shahbaz
- Department of Food Science and Technology, MNS-University of Agriculture Multan, Multan, Pakistan
| | - Tahira Batool Qaisarani
- Department of Agricultural Engineering and Technology, Ghazi University, Dera Ghazi Khan, Pakistan
| | - Muhammad Hanif Mughal
- University Institute of Diet and Nutritional Sciences, Faculty of Allied Health Sciences, The University of Lahore-Lahore, Lahore, Pakistan
| | - Bahare Salehi
- Student Research Committee, School of Medicine, Bam University of Medical Sciences, Bam, Iran
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepción, Concepción, Chile.,Unidad de Desarrollo Tecnológico, UDT, Universidad de Concepción, Concepción, Chile
| | - Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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20
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Gilardini Montani MS, Cecere N, Granato M, Romeo MA, Falcinelli L, Ciciarelli U, D'Orazi G, Faggioni A, Cirone M. Mutant p53, Stabilized by Its Interplay with HSP90, Activates a Positive Feed-Back Loop Between NRF2 and p62 that Induces Chemo-Resistance to Apigenin in Pancreatic Cancer Cells. Cancers (Basel) 2019; 11:cancers11050703. [PMID: 31121848 PMCID: PMC6562395 DOI: 10.3390/cancers11050703] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 05/16/2019] [Accepted: 05/18/2019] [Indexed: 02/07/2023] Open
Abstract
Pancreatic cancer is one of the most aggressive cancers whose prognosis is worsened by the poor response to the current chemotherapies. In this study, we investigated the cytotoxic effect of Apigenin, against two pancreatic cell lines, namely Panc1 and PaCa44, harboring different p53 mutations. Apigenin is a flavonoid widely distributed in nature that displays anti-inflammatory and anticancer properties against a variety of cancers. Here we observed that Apigenin exerted a stronger cytotoxic effect against Panc1 cell line in comparison to PaCa44. Searching for mechanisms responsible for such different effect, we found that the higher cytotoxicity of Apigenin correlated with induction of higher level of intracellular ROS, reduction of mutant (mut) p53 and HSP90 expression and mTORC1 inhibition. Interestingly, we found that mutp53 was stabilized by its interplay with HSP90 and activates a positive feed-back loop between NRF2 and p62, up-regulating the antioxidant response and reducing the cytotoxicity of Apigenin. These results suggest that targeting the molecules involved in the mTOR-HSP90-mutp53-p62-NRF2-antioxidant response axis could help to overcome the chemo-resistance of pancreatic cancer to Apigenin.
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Affiliation(s)
- Maria Saveria Gilardini Montani
- Department of Experimental Medicine, Sapienza University of Rome, laboratory affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy.
| | - Nives Cecere
- Department of Experimental Medicine, Sapienza University of Rome, laboratory affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy.
| | - Marisa Granato
- Department of Experimental Medicine, Sapienza University of Rome, laboratory affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy.
| | - Maria Anele Romeo
- Department of Experimental Medicine, Sapienza University of Rome, laboratory affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy.
| | - Luca Falcinelli
- Department of Experimental Medicine, Sapienza University of Rome, laboratory affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy.
| | - Umberto Ciciarelli
- Department of Clinical Medicine, Public Health, Life and Environmental Sciences, University of L'Aquila, 67100 L'Aquila, Italy.
| | - Gabriella D'Orazi
- Department of Research, Advanced Diagnostics, and Technological Innovation, Regina Elena National Cancer Institute, 00144 Rome, Italy.
- Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio", 66100 Chieti, Italy.
| | - Alberto Faggioni
- Department of Experimental Medicine, Sapienza University of Rome, laboratory affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy.
| | - Mara Cirone
- Department of Experimental Medicine, Sapienza University of Rome, laboratory affiliated to Istituto Pasteur Italia-Fondazione Cenci Bolognetti, 00161 Rome, Italy.
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21
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Sharif T, Martell E, Dai C, Ghassemi-Rad MS, Kennedy BE, Lee PWK, Gujar S. Regulation of Cancer and Cancer-Related Genes via NAD . Antioxid Redox Signal 2019; 30:906-923. [PMID: 29334761 DOI: 10.1089/ars.2017.7478] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
SIGNIFICANCE NAD+ is an essential redox cofactor in cellular metabolism and has emerged as an important regulator of a wide spectrum of disease conditions, most notably, cancers. As such, various strategies targeting NAD+ synthesis in cancers are in clinical trials. Recent Advances: Being a substrate required for the activity of various enzyme families, especially sirtuins and poly(adenosine diphosphate [ADP]-ribose) polymerases, NAD+-mediated signaling plays an important role in gene expression, calcium release, cell cycle progression, DNA repair, and cell proliferation. Many strategies exploring the potential of interfering with NAD+ metabolism to sensitize cancer cells to achieve anticancer benefits are highly promising, and are being pursued. CRITICAL ISSUES With the multifaceted roles of NAD+ in cancer, it is important to understand how cellular processes are reliant on NAD+. This review summarizes how NAD+ metabolism regulates various pathophysiological processes in cancer, and how this knowledge can be exploited to devise effective anticancer therapies in clinical settings. FUTURE DIRECTIONS In line with the redundant pathways that facilitate NAD+ metabolism, further studies should comprehensively understand the roles of the various NAD+-synthesizing as well as NAD+-utilizing biomolecules to understand its true potential in cancer treatment.
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Affiliation(s)
- Tanveer Sharif
- 1 Department of Microbiology and Immunology, Dalhousie University, Halifax, Canada
| | - Emma Martell
- 2 Department of Pathology, Dalhousie University, Halifax, Canada
| | - Cathleen Dai
- 1 Department of Microbiology and Immunology, Dalhousie University, Halifax, Canada
| | | | - Barry E Kennedy
- 1 Department of Microbiology and Immunology, Dalhousie University, Halifax, Canada
| | - Patrick W K Lee
- 1 Department of Microbiology and Immunology, Dalhousie University, Halifax, Canada.,2 Department of Pathology, Dalhousie University, Halifax, Canada
| | - Shashi Gujar
- 1 Department of Microbiology and Immunology, Dalhousie University, Halifax, Canada.,2 Department of Pathology, Dalhousie University, Halifax, Canada.,3 Department of Biology, Dalhousie University, Halifax, Canada.,4 Centre for Innovative and Collaborative Health Systems Research, IWK Health Centre, Halifax, Canada
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22
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Sharanova NE, Vasil'ev AV. Postgenomic Properties of Natural Micronutrients. Bull Exp Biol Med 2018; 166:107-117. [PMID: 30450516 DOI: 10.1007/s10517-018-4298-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Indexed: 11/30/2022]
Abstract
Modern medical approaches to the therapy of various diseases, including cancer, are based on the use of toxic drugs. The unfavorable side effects of traditional medicine could be counterbalanced by addition of natural bioactive substances to conventional therapy due to their mild action on cells combined with the multitargeted effects. To elucidate the real mechanisms of their biological activity, versatile approaches including a number of "omics" such as genomics, transcriptomics, proteomics, and metabolomics are used. This review highlights inclusion of bioactive natural compounds into the therapy of chronic diseases from the viewpoint of modern omics-based nutritional biochemistry. The recently accumulated data argue for necessity to employ nutrigenetic and nutrimetabolomic analyses to prevent or diminish the risk of chronic diseases.
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Affiliation(s)
- N E Sharanova
- V. A. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.
| | - A V Vasil'ev
- Federal Research Center of Nutrition and Biotechnology, Moscow, Russia
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23
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Vrhovac Madunić I, Madunić J, Antunović M, Paradžik M, Garaj-Vrhovac V, Breljak D, Marijanović I, Gajski G. Apigenin, a dietary flavonoid, induces apoptosis, DNA damage, and oxidative stress in human breast cancer MCF-7 and MDA MB-231 cells. Naunyn Schmiedebergs Arch Pharmacol 2018. [PMID: 29541820 DOI: 10.1007/s00210-018-1486-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Apigenin is found in several dietary plant foods such as vegetables and fruits. To investigate potential anticancer properties of apigenin on human breast cancer, ER-positive MCF-7 and triple-negative MDA MB-231 cells were used. Moreover, toxicological safety of apigenin towards normal cells was evaluated in human lymphocytes. Cytotoxicity of apigenin towards cancer cells was evaluated by MTT assay whereas further genotoxic and oxidative stress parameters were measured by comet and lipid peroxidation assays, respectively. In order to examine the type of cell death induced by apigenin, several biomarkers were used. Toxicological safety towards normal cells was evaluated by cell viability and comet assays. After the treatment with apigenin, we observed changes in cell morphology in a dose- (10 to 100 μM) and time-dependent manner. Moreover, apigenin caused cell death in both cell lines leading to significant toxicity and dominantly to apoptosis. Furthermore, apigenin proved to be genotoxic towards the selected cancer cells with a potential to induce oxidative damage to lipids. Of great importance is that no significant cytogenotoxic effects were detected in normal cells. The observed cytogenotoxic and pro-cell death activities of apigenin coupled with its low toxicity towards normal cells indicate that this natural product could be used as a future anticancer modality. Therefore, further analysis to determine the exact mechanism of action and in vivo studies on animal models are warranted.
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Affiliation(s)
- Ivana Vrhovac Madunić
- Molecular Toxicology Unit, Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10000, Zagreb, Croatia
| | - Josip Madunić
- Department of Molecular Biology, Faculty of Science, University of Zagreb, Horvatovac 102a/2, 10000, Zagreb, Croatia
| | - Maja Antunović
- Department of Molecular Biology, Faculty of Science, University of Zagreb, Horvatovac 102a/2, 10000, Zagreb, Croatia
| | - Mladen Paradžik
- Laboratory for Cell Biology and Signalling, Division of Molecular Biology, Ruđer Bošković Institute, Bijenička cesta 54, 10000, Zagreb, Croatia
| | - Vera Garaj-Vrhovac
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10000, Zagreb, Croatia
| | - Davorka Breljak
- Molecular Toxicology Unit, Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10000, Zagreb, Croatia
| | - Inga Marijanović
- Department of Molecular Biology, Faculty of Science, University of Zagreb, Horvatovac 102a/2, 10000, Zagreb, Croatia
| | - Goran Gajski
- Mutagenesis Unit, Institute for Medical Research and Occupational Health, Ksaverska cesta 2, 10000, Zagreb, Croatia.
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Madunić J, Madunić IV, Gajski G, Popić J, Garaj-Vrhovac V. Apigenin: A dietary flavonoid with diverse anticancer properties. Cancer Lett 2018; 413:11-22. [DOI: 10.1016/j.canlet.2017.10.041] [Citation(s) in RCA: 194] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 10/25/2017] [Accepted: 10/26/2017] [Indexed: 02/06/2023]
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Shankar E, Goel A, Gupta K, Gupta S. Plant flavone apigenin: An emerging anticancer agent. CURRENT PHARMACOLOGY REPORTS 2017; 3:423-446. [PMID: 29399439 PMCID: PMC5791748 DOI: 10.1007/s40495-017-0113-2] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Research in cancer chemoprevention provides convincing evidence that increased intake of vegetables and fruits may reduce the risk of several human malignancies. Phytochemicals present therein provide beneficial anti-inflammatory and antioxidant properties that serve to improve the cellular microenvironment. Compounds known as flavonoids categorized anthocyanidins, flavonols, flavanones, flavonols, flavones, and isoflavones have shown considerable promise as chemopreventive agents. Apigenin (4', 5, 7-trihydroxyflavone), a major plant flavone, possessing antioxidant, anti-inflammatory, and anticancer properties affecting several molecular and cellular targets used to treat various human diseases. Epidemiologic and case-control studies have suggested apigenin reduces the risk of certain cancers. Studies demonstrate that apigenin retain potent therapeutic properties alone and/or increases the efficacy of several chemotherapeutic drugs in combination on a variety of human cancers. Apigenin's anticancer effects could also be due to its differential effects in causing minimal toxicity to normal cells with delayed plasma clearance and slow decomposition in liver increasing the systemic bioavailability in pharmacokinetic studies. Here we discuss the anticancer role of apigenin highlighting its potential activity as a chemopreventive and therapeutic agent. We also highlight the current caveats that preclude apigenin for its use in the human trials.
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Affiliation(s)
- Eswar Shankar
- Department of Urology, The James and Eilleen Dicke Laboratory, Case Western Reserve University, Cleveland, OH 44106, USA
- Department of Urology, The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA
| | - Aditi Goel
- Department of Biology, School of Undergraduate Studies, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Karishma Gupta
- Department of Urology, The James and Eilleen Dicke Laboratory, Case Western Reserve University, Cleveland, OH 44106, USA
- Department of Urology, The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA
| | - Sanjay Gupta
- Department of Urology, The James and Eilleen Dicke Laboratory, Case Western Reserve University, Cleveland, OH 44106, USA
- Department of Urology, The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH 44106, USA
- Department of Nutrition, Case Western Reserve University, Cleveland, OH 44106, USA
- Division of General Medical Sciences, Case Comprehensive Cancer Center, Cleveland, OH 44106, USA
- Department of Urology, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH 44106, USA
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Granato M, Gilardini Montani MS, Santarelli R, D'Orazi G, Faggioni A, Cirone M. Apigenin, by activating p53 and inhibiting STAT3, modulates the balance between pro-apoptotic and pro-survival pathways to induce PEL cell death. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2017; 36:167. [PMID: 29179721 PMCID: PMC5704516 DOI: 10.1186/s13046-017-0632-z] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 11/10/2017] [Indexed: 12/19/2022]
Abstract
Background Apigenin is a flavonoid widely distributed in plant kingdom that exerts cytotoxic effects against a variety of solid and haematological cancers. In this study, we investigated the effect of apigenin against primary effusion lymphoma (PEL), a KSHV-associated B cell lymphoma characterized by a very aggressive behavior, displaying constitutive activation of STAT3 as well as of other oncogenic pathways and harboring wtp53. Methods Cell death was assessed by trypan blue exclusion assay, FACS analysis as well as by biochemical studies. The latter were also utilized to detect the occurrence of autophagy and the molecular mechanisms leading to the activation of both processes by apigenin. FACS analysis was used to measure the intracellular ROS utilizing DCFDA. Results We show that apigenin induced PEL cell death and autophagy along with reduction of intracellular ROS. Mechanistically, apigenin activated p53 that induced catalase, a ROS scavenger enzyme, and inhibited STAT3, the most important pro-survival pathway in PEL, as assessed by p53 silencing. On the other hand, STAT3 inhibition by apigenin resulted in p53 activation, since STAT3 negatively influences p53 activity, highlighting a regulatory loop between these two pathways that modulates PEL cell death/survival. Conclusion The findings of this study demonstrate that apigenin may modulate pro-apoptotic and pro-survival pathways representing a valid therapeutic strategy against PEL.
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Affiliation(s)
- Marisa Granato
- Department of Experimental Medicine, "Sapienza" University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | | | - Roberta Santarelli
- Department of Experimental Medicine, "Sapienza" University of Rome, Viale Regina Elena 324, 00161, Rome, Italy
| | - Gabriella D'Orazi
- Department of Research, Advanced Diagnostics, and Technological Innovation, Regina Elena National Cancer Institute, 00144, Rome, Italy.,Department of Medical, Oral and Biotechnological Sciences, Tumor Biology Section, University 'G. d'Annunzio', Chieti, Italy
| | - Alberto Faggioni
- Department of Experimental Medicine, "Sapienza" University of Rome, Viale Regina Elena 324, 00161, Rome, Italy.
| | - Mara Cirone
- Department of Experimental Medicine, "Sapienza" University of Rome, Viale Regina Elena 324, 00161, Rome, Italy.
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Li MY, Hou XL, Wang F, Tan GF, Xu ZS, Xiong AS. Advances in the research of celery, an important Apiaceae vegetable crop. Crit Rev Biotechnol 2017; 38:172-183. [PMID: 28423952 DOI: 10.1080/07388551.2017.1312275] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Celery (Apium graveolens L.), one of the most important vegetables in Apiaceae family, is cultivated worldwide and utilized in food and cosmetic industries because it is an excellent source of vitamins, phenolic compounds, volatile oils and other nutrients. Celery extracts possess various medicinal properties, such as antibacterial, anti-inflammatory and lowering blood glucose and serum lipid levels. With the rapid advancements in molecular biology and sequencing technology, studies on celery have been performed. Numerous molecular markers and regulatory genes have been discovered and applied to improve celery. Research advances, including genetic breeding, genomics research, function genes and chemical composition, regarding celery are reviewed in this paper. Further exploration and application trends are briefly described. This review provides a reference for basic and applied research on celery, an important Apiaceae vegetable crop.
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Affiliation(s)
- Meng-Yao Li
- a State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture , Nanjing Agricultural University , Nanjing , China
| | - Xi-Lin Hou
- a State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture , Nanjing Agricultural University , Nanjing , China
| | - Feng Wang
- a State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture , Nanjing Agricultural University , Nanjing , China
| | - Guo-Fei Tan
- a State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture , Nanjing Agricultural University , Nanjing , China
| | - Zhi-Sheng Xu
- a State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture , Nanjing Agricultural University , Nanjing , China
| | - Ai-Sheng Xiong
- a State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture , Nanjing Agricultural University , Nanjing , China
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Abstract
Cancer remains one of the leading causes of death around the world. Initially it is recognized as a genetic disease, but now it is known to involve epigenetic abnormalities along with genetic alterations. Epigenetics refers to heritable changes that are not encoded in the DNA sequence itself, but play an important role in the control of gene expression. It includes changes in DNA methylation, histone modifications, and RNA interference. Although it is heritable, environmental factors such as diet could directly influence epigenetic mechanisms in humans. This article will focus on the role of dietary patterns and phytochemicals that have been demonstrated to influence the epigenome and more precisely histone and non-histone proteins modulation by acetylation that helps to induce apoptosis and phosphorylation inhibition, which counteracts with cells proliferation. Recent developments discussed here enhance our understanding of how dietary intervention could be beneficial in preventing or treating cancer and improving health outcomes.
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Affiliation(s)
- Wissam Zam
- a Department of Analytical and Food Chemistry , Faculty of Pharmacy, Al-Andalus University for Medical Sciences, Al-Quadmous , Tartous , Syrian Arab Republic
| | - Aziz Khadour
- b Department of Microbiology , Faculty of Pharmacy, Al-Andalus University for Medical Sciences, Al-Quadmous , Tartous , Syrian Arab Republic
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Plant-derived flavone Apigenin: The small-molecule with promising activity against therapeutically resistant prostate cancer. Biomed Pharmacother 2017; 85:47-56. [DOI: 10.1016/j.biopha.2016.11.130] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Revised: 11/26/2016] [Accepted: 11/27/2016] [Indexed: 02/08/2023] Open
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Sung B, Chung HY, Kim ND. Role of Apigenin in Cancer Prevention via the Induction of Apoptosis and Autophagy. J Cancer Prev 2016; 21:216-226. [PMID: 28053955 PMCID: PMC5207605 DOI: 10.15430/jcp.2016.21.4.216] [Citation(s) in RCA: 134] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 11/28/2016] [Accepted: 11/29/2016] [Indexed: 12/12/2022] Open
Abstract
Apigenin (4′,5,7-trihydroxyflavone) is a flavonoid commonly found in many fruits and vegetables such as parsley, chamomile, celery, and kumquats. In the last few decades, recognition of apigenin as a cancer chemopreventive agent has increased. Significant progress has been made in studying the chemopreventive aspects of apigenin both in vitro and in vivo. Several studies have demonstrated that the anticarcinogenic properties of apigenin occur through regulation of cellular response to oxidative stress and DNA damage, suppression of inflammation and angiogenesis, retardation of cell proliferation, and induction of autophagy and apoptosis. One of the most well-recognized mechanisms of apigenin is the capability to promote cell cycle arrest and induction of apoptosis through the p53-related pathway. A further role of apigenin in chemoprevention is the induction of autophagy in several human cancer cell lines. In this review, we discuss the details of apigenin, apoptosis, autophagy, and the role of apigenin in cancer chemoprevention via the induction of apoptosis and autophagy.
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Affiliation(s)
- Bokyung Sung
- Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention, Pusan National University, Busan, Korea
| | - Hae Young Chung
- Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention, Pusan National University, Busan, Korea
| | - Nam Deuk Kim
- Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention, Pusan National University, Busan, Korea
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Trichodermin induces c-Jun N-terminal kinase-dependent apoptosis caused by mitotic arrest and DNA damage in human p53-mutated pancreatic cancer cells and xenografts. Cancer Lett 2016; 388:249-261. [PMID: 27965041 DOI: 10.1016/j.canlet.2016.12.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 12/01/2016] [Accepted: 12/02/2016] [Indexed: 01/01/2023]
Abstract
Pancreatic cancer is an aggressive malignancy, which generally responds poorly to chemotherapy. In this study, trichodermin, an endophytic fungal metabolite from Nalanthamala psidii, was identified as a potent and selective antitumor agent in human pancreatic cancer. Trichodermin exhibited antiproliferative effects against pancreatic cancer cells, especially p53-mutated cells (MIA PaCa-2 and BxPC-3) rather than normal pancreatic epithelial cells. We found that trichodermin induced caspase-dependent and mitochondrial intrinsic apoptosis. Trichodermin also increased apoptosis through mitotic arrest by activating Cdc2/cyclin B1 complex activity. Moreover, trichodermin promoted the activation of c-Jun N-terminal kinase (JNK), and inhibition of JNK by its inhibitor, shRNA, or siRNA significantly reversed trichodermin-mediated caspase-dependent apoptosis. Trichodermin triggered DNA damage stress to activate p53 function for executing apoptosis in p53-mutated cells. Importantly, we demonstrated that trichodermin with efficacy similar to gemcitabine, profoundly suppressed tumor growth through inducing intratumoral DNA damage and JNK activation in orthotopic pancreatic cancer model. Based on these findings, trichodermin is a potential therapeutic agent worthy of further development into a clinical trial candidate for treating cancer, especially the mutant p53 pancreatic cancer.
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32
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Köken T, Koca B, Özkurt M, Erkasap N, Kuş G, Karalar M. Apium graveolensExtract Inhibits Cell Proliferation and Expression of Vascular Endothelial Growth Factor and Induces Apoptosis in the Human Prostatic Carcinoma Cell Line LNCaP. J Med Food 2016; 19:1166-1171. [DOI: 10.1089/jmf.2016.0061] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Tülay Köken
- Department of Clinical Biochemistry, School of Medicine, Afyon Kocatepe University, Afyon, Turkey
| | - Buğra Koca
- Department of Clinical Biochemistry, School of Medicine, Afyon Kocatepe University, Afyon, Turkey
| | - Mete Özkurt
- Department of Physiology, School of Medicine, Osmangazi University, Eskişehir, Turkey
| | - Nilüfer Erkasap
- Department of Physiology, School of Medicine, Osmangazi University, Eskişehir, Turkey
| | - Gökhan Kuş
- Department of Physiology, School of Medicine, Osmangazi University, Eskişehir, Turkey
| | - Mustafa Karalar
- Department of Urology, School of Medicine, Afyon Kocatepe University, Afyon, Turkey
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Cirmi S, Ferlazzo N, Lombardo GE, Maugeri A, Calapai G, Gangemi S, Navarra M. Chemopreventive Agents and Inhibitors of Cancer Hallmarks: May Citrus Offer New Perspectives? Nutrients 2016; 8:E698. [PMID: 27827912 PMCID: PMC5133085 DOI: 10.3390/nu8110698] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 10/11/2016] [Accepted: 10/13/2016] [Indexed: 12/12/2022] Open
Abstract
Fruits and vegetables have long been recognized as potentially important in the prevention of cancer risk. Thus, scientific interest in nutrition and cancer has grown over time, as shown by increasing number of experimental studies about the relationship between diet and cancer development. This review attempts to provide an insight into the anti-cancer effects of Citrus fruits, with a focus on their bioactive compounds, elucidating the main cellular and molecular mechanisms through which they may protect against cancer. Scientific literature was selected for this review with the aim of collecting the relevant experimental evidence for the anti-cancer effects of Citrus fruits and their flavonoids. The findings discussed in this review strongly support their potential as anti-cancer agents, and may represent a scientific basis to develop nutraceuticals, food supplements, or complementary and alternative drugs in a context of a multi-target pharmacological strategy in the oncology.
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Affiliation(s)
- Santa Cirmi
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy.
| | - Nadia Ferlazzo
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy.
| | - Giovanni E Lombardo
- Department of Health Sciences, University "Magna Graecia" of Catanzaro, Catanzaro I-88100, Italy.
| | - Alessandro Maugeri
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy.
| | - Gioacchino Calapai
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina I-98125, Italy.
| | - Sebastiano Gangemi
- Department of Clinical and Experimental Medicine, University of Messina, Messina I-98125, Italy.
- Institute of Applied Sciences and Intelligent Systems (ISASI), National Research Council (CNR), Pozzuoli I-80078, Italy.
| | - Michele Navarra
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy.
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He J, Ning C, Wang Y, Ma T, Huang H, Ge Y, Liu J, Jiang Y. Natural plant flavonoid apigenin directly disrupts Hsp90/Cdc37 complex and inhibits pancreatic cancer cell growth and migration. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.06.052] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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35
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SATO TETSUO, KITA KAZUKO, SATO CHIHOMI, KANEDA ATSUSHI. Hochu-ekki-to (Bu-zhong-yi-qi-tang), a herbal medicine, enhances cisplatin-induced apoptosis in HeLa cells. Mol Med Rep 2015; 12:6215-20. [DOI: 10.3892/mmr.2015.4137] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Accepted: 06/26/2015] [Indexed: 11/06/2022] Open
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Hastie E, Cataldi M, Steuerwald N, Grdzelishvili VZ. An unexpected inhibition of antiviral signaling by virus-encoded tumor suppressor p53 in pancreatic cancer cells. Virology 2015; 483:126-40. [PMID: 25965802 DOI: 10.1016/j.virol.2015.04.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2015] [Revised: 04/08/2015] [Accepted: 04/21/2015] [Indexed: 11/17/2022]
Abstract
Virus-encoded tumor suppressor p53 transgene expression has been successfully used in vesicular stomatitis virus (VSV) and other oncolytic viruses (OVs) to enhance their anticancer activities. However, p53 is also known to inhibit virus replication via enhanced type I interferon (IFN) antiviral responses. To examine whether p53 transgenes enhance antiviral signaling in human pancreatic ductal adenocarcinoma (PDAC) cells, we engineered novel VSV recombinants encoding human p53 or the previously described chimeric p53-CC, which contains the coiled-coil (CC) domain from breakpoint cluster region (BCR) protein and evades the dominant-negative activities of endogenously expressed mutant p53. Contrary to an expected enhancement of antiviral signaling by p53, our global analysis of gene expression in PDAC cells showed that both p53 and p53-CC dramatically inhibited type I IFN responses. Our data suggest that this occurs through p53-mediated inhibition of the NF-κB pathway. Importantly, VSV-encoded p53 or p53-CC did not inhibit antiviral signaling in non-malignant human pancreatic ductal cells, which retained their resistance to all tested VSV recombinants. To the best of our knowledge, this is the first report of p53-mediated inhibition of antiviral signaling, and it suggests that OV-encoded p53 can simultaneously produce anticancer activities while assisting, rather than inhibiting, virus replication in cancer cells.
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Affiliation(s)
- Eric Hastie
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Marcela Cataldi
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Nury Steuerwald
- Cannon Research Center, Carolinas Healthcare System, Charlotte, NC, USA
| | - Valery Z Grdzelishvili
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC, USA.
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Wang E, Chen F, Hu X, Yuan Y. Protective effects of apigenin against furan-induced toxicity in mice. Food Funct 2015; 5:1804-12. [PMID: 24914499 DOI: 10.1039/c4fo00038b] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Furan, a food contaminant formed by heating, is possibly carcinogenic to humans. In this study, we discussed the effect of administration of apigenin on furan-induced toxicity by determining the ROS content, oxidative damage, cytokine levels, DNA damage, and the liver and kidney damage in a mouse model. Our data showed that apigenin administered at 5, 10, and 20 mg kg(-1) bw per day could decrease the toxicity induced by furan to different extents. On one hand, apigenin has the ability to increase the oxidative damage indexes of glutathione (GSH) and glutathione-S-transferase (GST) as well as superoxide dismutase (SOD) activities but decrease myeloperoxidase (MPO) activities and maleic dialdehyde (MDA) content in the liver and kidney of mice treated with furan. On the other hand, it could decrease cytokine levels of tumor necrosis factor α (TNF-α), interleukin (IL)-1β, and interleukin (IL)-6 but increase interleukin (IL)-10 in the serum of furan-treated mice. At the same time, the three concentrations of apigenin elected in this paper all could decrease the ROS content, DNA damage index of 8-hydroxy-desoxyguanosine (8-OHdG), the liver and kidney damage indexes of aspartate aminotransferase (AST), alanine aminotransferase (ALT), and lactic dehydrogenase (LDH), and blood urea nitrogen (BUN) and creatinine content in furan-treated mice to different extents. The protective effects of apigenin against furan-induced toxicity damage were mainly due to its excellent ability to scavenge free radicals and inhibit lipid oxidation. This is important when considering the use of apigenin as a dietary supplement for beneficial chemoprevention of furan toxicity.
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Affiliation(s)
- Enting Wang
- College of Quartermaster Technology, Jilin University, Changchun, China130062.
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Feng WM, Guo HH, Xue T, Wang X, Tang CW, Ying B, Gong H, Cui G. Anti-inflammation and anti-fibrosis with PEGylated, apigenin loaded PLGA nanoparticles in chronic pancreatitis disease. RSC Adv 2015. [DOI: 10.1039/c5ra17686g] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
In this work, apigenin, a drug that can inhibit pancreatic stellate cell fibrosis, is loaded into PEGylated PLGA nanoparticles to treat the inflammation and fibrosis associated with chronic pancreatitis (CP).
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Affiliation(s)
- Wen-ming Feng
- Department of General Surgery
- The first affiliated hospital
- Huzhou University
- China
| | - Hui-hui Guo
- Research Center
- The first affiliated hospital
- Huzhou University
- China
| | - Tao Xue
- Research Center
- The first affiliated hospital
- Huzhou University
- China
| | - Xiang Wang
- Research Center
- The first affiliated hospital
- Huzhou University
- China
| | - Cheng-wu Tang
- Department of General Surgery
- The first affiliated hospital
- Huzhou University
- China
| | - Bao Ying
- Department of General Surgery
- The first affiliated hospital
- Huzhou University
- China
| | - Hui Gong
- Research Center
- The first affiliated hospital
- Huzhou University
- China
| | - Ge Cui
- Department of Pathology
- The first affiliated hospital
- Huzhou University
- Huzhou
- China
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Sak K. Cytotoxicity of dietary flavonoids on different human cancer types. Pharmacogn Rev 2014; 8:122-46. [PMID: 25125885 PMCID: PMC4127821 DOI: 10.4103/0973-7847.134247] [Citation(s) in RCA: 297] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2014] [Revised: 03/27/2014] [Accepted: 06/10/2014] [Indexed: 02/06/2023] Open
Abstract
Flavonoids are ubiquitous in nature. They are also in food, providing an essential link between diet and prevention of chronic diseases including cancer. Anticancer effects of these polyphenols depend on several factors: Their chemical structure and concentration, and also on the type of cancer. Malignant cells from different tissues reveal somewhat different sensitivity toward flavonoids and, therefore, the preferences of the most common dietary flavonoids to various human cancer types are analyzed in this review. While luteolin and kaempferol can be considered as promising candidate agents for treatment of gastric and ovarian cancers, respectively, apigenin, chrysin, and luteolin have good perspectives as potent antitumor agents for cervical cancer; cells from main sites of flavonoid metabolism (colon and liver) reveal rather large fluctuations in anticancer activity probably due to exposure to various metabolites with different activities. Anticancer effect of flavonoids toward blood cancer cells depend on their myeloid, lymphoid, or erythroid origin; cytotoxic effects of flavonoids on breast and prostate cancer cells are highly related to the expression of hormone receptors. Different flavonoids are often preferentially present in certain food items, and knowledge about the malignant tissue-specific anticancer effects of flavonoids could be purposely applied both in chemoprevention as well as in cancer treatment.
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Affiliation(s)
- Katrin Sak
- Non Government Organization Praeventio, Tartu, Estonia
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40
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Effects of chemopreventive natural products on non-homologous end-joining DNA double-strand break repair. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2014; 768:33-41. [DOI: 10.1016/j.mrgentox.2014.04.014] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 04/16/2014] [Accepted: 04/21/2014] [Indexed: 01/12/2023]
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Lee Y, Sung B, Kang YJ, Kim DH, Jang JY, Hwang SY, Kim M, Lim HS, Yoon JH, Chung HY, Kim ND. Apigenin-induced apoptosis is enhanced by inhibition of autophagy formation in HCT116 human colon cancer cells. Int J Oncol 2014; 44:1599-606. [PMID: 24626522 DOI: 10.3892/ijo.2014.2339] [Citation(s) in RCA: 95] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Accepted: 02/24/2014] [Indexed: 11/05/2022] Open
Abstract
Apigenin (4',5,7-trihydroxyflavone) is a natural flavonoid, shown to have chemopreventive and/or anticancer properties in a variety of human cancer cells. The involvement of autophagy in apigenin-induced apoptotic cell death of HCT116 human colon cancer cells was investigated. Apigenin induced suppression of cell growth in a concentration-dependent manner in HCT116 cells. Flow cytometric analyses indicated that apigenin resulted in G2/M phase arrest. This flavone also suppressed the expression of both cyclin B1 and its activating partners, Cdc2 and Cdc25c, whereas the expression of cell cycle inhibitors, such as p53 and p53-dependent p21(CIP1/WAF1), was increased after apigenin treatment. Apigenin induced poly (ADP-ribose) polymerase (PARP) cleavage and decreased the levels of procaspase-8, -9 and -3. In addition, the apigenin-treated cells exhibited autophagy, as characterized by the appearance of autophagosomes under fluorescence microscopy and the accumulation of acidic vesicular organelles by flow cytometry. Furthermore, the results of the western blot analysis revealed that the levels of LC3-II, the processed form of LC3-I, was increased by apigenin. Treatment with the autophagy inhibitor 3-methyladenine (3-MA) significantly enhanced the apoptosis induced by apigenin, which was accompanied by an increase in the levels of PARP cleavage. These results indicate that apigenin has apoptosis- and autophagy-inducing effects in HCT116 colon cancer cells. Autophagy plays a cytoprotective role in apigenin-induced apoptosis, and the combination of apigenin and an autophagy inhibitor may be a promising strategy for colon cancer control.
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Affiliation(s)
- Yujin Lee
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Bokyung Sung
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Yong Jung Kang
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Dong Hwan Kim
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Jung-Yoon Jang
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Seong Yeon Hwang
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Minjung Kim
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Hyun Sook Lim
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Jeong-Hyun Yoon
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Hae Young Chung
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
| | - Nam Deuk Kim
- Division of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention (MRCA), Pusan National University, Busan 609-735, Republic of Korea
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Bao YY, Zhou SH, Fan J, Wang QY. Anticancer mechanism of apigenin and the implications of GLUT-1 expression in head and neck cancers. Future Oncol 2014; 9:1353-64. [PMID: 23980682 DOI: 10.2217/fon.13.84] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Apigenin, a natural phytoestrogen flavonoid, has potential biological effects, including antioxidative, anti-inflammatory and anticancer activities. The mechanisms of anticancer activities of apigenin are unknown. Some studies have found that apigenin inhibits GLUT-1 mRNA and protein expression in cancer cells. Thus, we hypothesized that apigenin exerts similar effects on head and neck cancers through its inhibition of GLUT-1 expression. In this article, we review the anticancer mechanism of apigenin and the implications of GLUT-1 expression in head and neck cancers. In addition, we describe the current state of knowledge about the relationship between apigenin and GLUT-1 expression in head and neck cancers.
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Affiliation(s)
- Yang-Yang Bao
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, 79 Qingchun Road, Hangzhou City, Zhejiang Province, China
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Johnson JL, de Mejia EG. Flavonoid apigenin modified gene expression associated with inflammation and cancer and induced apoptosis in human pancreatic cancer cells through inhibition of GSK-3β/NF-κB signaling cascade. Mol Nutr Food Res 2013; 57:2112-27. [PMID: 23943362 DOI: 10.1002/mnfr.201300307] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2013] [Revised: 06/09/2013] [Accepted: 06/13/2013] [Indexed: 01/04/2023]
Abstract
SCOPE The objective was to examine the inhibitory effects of citrus fruit bioactive compounds on BxPC-3 and PANC-1 human pancreatic cancer cells, focusing on the antiproliferative mechanism of action of the flavonoid apigenin related to the glycogen synthase kinase-3β/nuclear factor kappa B signaling pathway. METHODS AND RESULTS Flavonoids, limonoids, phenolic acids, and ascorbic acid were tested for cytotoxic effects on BxPC-3 and PANC-1 cells; apigenin was the most potent (IC50 = 23 and 12 μM for 24 and 48 h for BxPC-3 and IC50 = 71 and 41 μM for 24 and 48 h for PANC-1). Apigenin induced pancreatic cell death through inhibition of the glycogen synthase kinase-3β/nuclear factor kappa B signaling pathway. Apigenin arrested cell cycle at G2 /M phase (36 and 32% at 50 μM for BxPC-3 and PANC-1, respectively) with concomitant decrease in the expression of cyclin B1. Apigenin activated the mitochondrial pathway of apoptosis (44 and 14% at 50 μM for BxPC-3 and PANC-1, respectively) and modified the expression of apoptotic proteins. Apigenin highly upregulated the expression of cytokine genes IL17F (114.2-fold), LTA (33.1-fold), IL17C (23.2-fold), IL17A (11.3-fold), and IFNB1 (8.9-fold) in BxPC-3 cells, which potentially contributed to the anticancer properties. CONCLUSION Flavonoids have a protective role in pancreatic cancer tumorigenesis.
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Affiliation(s)
- Jodee L Johnson
- Division of Nutritional Sciences, University of Illinois at Urbana-Champaign, IL, USA
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Lu QY, Zhang L, Lugea A, Moro A, Edderkaoui M, Eibl G, Pandol SJ, Go VLW. Determination of Rottlerin, a Natural Protein Kinases C Inhibitor, in Pancreatic Cancer Cells and Mouse Xenografts by RP-HPLC Method. JOURNAL OF CHROMATOGRAPHY & SEPARATION TECHNIQUES 2013; 4:100062. [PMID: 24482742 DOI: 10.4172/2157-7064.1000162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Rottlerin is a natural polyphenolic ketone isolated from the pericarps of Mallotus phillippinensis. In previous studies we showed that parenteral administration of rottlerin reduced tumor growth in murine xenograft models of pancreatic cancer. The aim of this study was to develop a simple and validated method for the quantitative determination of rottlerin in plasma and tumor tissues of mice fed a rottlerin diet. A xenograft model of pancreatic cancer was prepared by injection of 2×106 HPAF-II cells subcutaneously into nude mice. One week before tumor implantation, mice were randomly allocated to standard diet (AIN76A) and standard diet supplement with 0.012% rottlerin (n=6 per group). Mice were sacrificed after 6 weeks on diets. Rottlerin was extracted from the plasma and tissues using protein precipitation-extraction and analyzed by reverse-phase HPLC-DAD method. The same HPLC method was also applied to determine rottlerin levels in conditioned culture media and in cell lysates from HPAF-II cells exposed to 25 µM concentration of rottlerin. A substantial amount of rottlerin was detected in tumor (2.11 ± 0.25 nmol/g tissue) and plasma (2.88 ± 0.41 µM) in mice fed rottlerin diet. In addition, significant levels of rottlerin (57.4 ± 5.4 nmol/mg protein) were detected in cell lysates from rottlerin-treated HPAF-II cells. These data indicate that rottlerin is efficiently absorbed in cells and tissues both in vivo and in vitro and suggest a strong potential for rottlerin as a preventive or adjuvant supplement for pancreatic cancer.
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Affiliation(s)
- Qing-Yi Lu
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Lifeng Zhang
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Aurelia Lugea
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA ; Veterans Affairs Greater Los Angeles Healthcare System, University of California, Los Angeles, CA, USA
| | - Aune Moro
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Mouad Edderkaoui
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA ; Veterans Affairs Greater Los Angeles Healthcare System, University of California, Los Angeles, CA, USA
| | - Guido Eibl
- Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
| | - Stephen J Pandol
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA ; Veterans Affairs Greater Los Angeles Healthcare System, University of California, Los Angeles, CA, USA
| | - Vay-Liang W Go
- Department of Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
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Abstract
Apigenin (4',5,7-trihydroxyflavone, 5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one) is a flavonoid found in many fruits, vegetables, and herbs, the most abundant sources being the leafy herb parsley and dried flowers of chamomile. Present in dietary sources as a glycoside, it is cleaved in the gastrointestinal lumen to be absorbed and distributed as apigenin itself. For this reason, the epithelium of the gastrointestinal tract is exposed to higher concentrations of apigenin than tissues at other locations. This would also be true for epithelial cancers of the gastrointestinal tract. We consider the evidence for actions of apigenin that might hinder the ability of gastrointestinal cancers to progress and spread. Apigenin has been shown to inhibit cell growth, sensitize cancer cells to elimination by apoptosis, and hinder the development of blood vessels to serve the growing tumor. It also has actions that alter the relationship of the cancer cells with their microenvironment. Apigenin is able to reduce cancer cell glucose uptake, inhibit remodeling of the extracellular matrix, inhibit cell adhesion molecules that participate in cancer progression, and oppose chemokine signaling pathways that direct the course of metastasis into other locations. As such, apigenin may provide some additional benefit beyond existing drugs in slowing the emergence of metastatic disease.
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Affiliation(s)
- Émilie C Lefort
- Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
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Costa PM, Cardoso AL, Pereira de Almeida LF, Bruce JN, Canoll P, Pedroso de Lima MC. PDGF-B-mediated downregulation of miR-21: new insights into PDGF signaling in glioblastoma. Hum Mol Genet 2012; 21:5118-30. [PMID: 22922228 DOI: 10.1093/hmg/dds358] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma (GBM) is a highly heterogeneous type of tumor characterized by genomic and signaling abnormalities affecting pathways involved in control of cell fate, including tumor-suppressor- and growth factor-regulated pathways. An aberrant miRNA expression has been observed in GBM, being associated with impaired cellular functions resulting in malignant transformation, proliferation and invasion. Here, we demonstrate for the first time that platelet-derived growth factor-B (PDGF-B), a potent angiogenic growth factor involved in GBM development and progression, promotes downregulation of pro-oncogenic (miR-21) and anti-oncogenic (miR-128) miRNAs, as well as upregulation/downregulation of several miRNAs involved in GBM pathology. Retrovirally mediated overexpression of PDGF-B in U87 human GBM cells or their prolonged exposure, as well as that of F98 rat glioma cells to this ligand, resulted in decreased miR-21 and miR-128 levels, which was associated with increased cell proliferation. Furthermore, siRNA-mediated PDGF-B silencing led to increased levels of miR-21 and miR-128, while miRNA modulation through overexpression of miR-21 did not alter the levels of PDGF-B. Finally, we demonstrate that modulation of tumor suppressors PTEN and p53 in U87 cells does not affect the decrease in miR-21 levels associated with PDGF-B overexpression. Overall, our findings suggest that, besides its role in inducing GBM tumorigenesis, PDGF-B may enhance tumor proliferation by modulating the expression of oncomiRs and tumor suppressor miRNAs in U87 human GBM cells.
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Affiliation(s)
- Pedro M Costa
- CNC—Center for Neuroscience and Cell Biology, University of Coimbra, Coimbra 3004-517, Portugal
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