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Kelly B, Thamm D, Rosengren RJ. Utility of the second-generation curcumin analogue RL71 in canine histiocytic sarcoma. Vet Res Commun 2024; 48:563-568. [PMID: 37597087 PMCID: PMC10811103 DOI: 10.1007/s11259-023-10201-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 08/15/2023] [Indexed: 08/21/2023]
Abstract
Canine histiocytic sarcoma is an aggressive cancer, with a high rate of metastasis. Thus, novel therapeutic approaches are needed. Synthetic analogues of curcumin have elicited potent anti-cancer activity in multiple in vitro and in vivo models of human cancer. Furthermore, the compound 3,5-bis(3,4,5-trimethoxybenzylidene)-1-methylpiperidine-4-one (RL71) has recently exhibited potent cell cycle arrest and apoptotic induction in a canine osteosarcoma cell line. To determine its potency in canine histiocytic sarcoma cells, cell viability of DH82 and Nike cells was measured using the sulforhodamine B assay. Flow cytometry was then used to analyse both cell cycle distribution and apoptosis. Of the five curcumin analogues examined, RL71, had the highest potency with EC50 values of 0.66 ± 0.057 µM and 0.79 ± 0.13 µM in the DH82 and Nike cell lines, respectively. Furthermore, RL71 at the 1x EC50 concentration increased G2/M cell cycle arrest 2-fold, and at the 2x EC50 concentration increased the number of apoptotic cells 4-fold. These findings are consistent with previous work using RL71 in both canine and human cancer cell lines. Future research should be directed on time-dependent changes, and mechanistic investigation in greater detail to elucidate RL71 mechanisms of action.
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Affiliation(s)
- Barnaby Kelly
- Department of Pharmacology and Toxicology, Unversity of Otago, 18 Frederick Street, Dunedin, 9085, New Zealand
| | - Douglas Thamm
- Flint Animal Cancer Center, Colorado State University, Fort Collins, CO, USA
| | - Rhonda J Rosengren
- Department of Pharmacology and Toxicology, Unversity of Otago, 18 Frederick Street, Dunedin, 9085, New Zealand.
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2
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Kelly B, Thamm D, Rosengren RJ. The second-generation curcumin analogue RL71 elicits G2/M cell cycle arrest and apoptosis in canine osteosarcoma cells. Vet Comp Oncol 2023; 21:595-604. [PMID: 37435770 DOI: 10.1111/vco.12922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/08/2023] [Accepted: 06/09/2023] [Indexed: 07/13/2023]
Abstract
Canine osteosarcoma is an aggressive cancer, comprising 85% of canine bone neoplasms. Current treatment practices of surgery and chemotherapy increase 1-year survival by only 45%. The curcumin analogue RL71, has demonstrated potent in vitro and in vivo efficacy in several models of human breast cancer through increased apoptosis and cell cycle arrest. Thus, the present study aimed to investigate efficacy of curcumin analogues in two canine osteosarcoma cell lines. Osteosarcoma cell viability was assessed using the sulforhodamine B assay and mechanisms of action were determined by analysing the levels of cell cycle and apoptotic regulatory proteins via Western blotting. Further evidence was obtained using flow cytometry to detect cell cycle distribution and the number of apoptotic cells. RL71 was the most potent curcumin analogue with EC50 values of 0.64 ± 0.04 and 0.38 ± 0.009 μM (n = 3) in D-17 (commercial) and Gracie canine osteosarcoma cells, respectively. RL71 significantly increased the ratio of cleaved-caspase 3 to pro-caspase 3 and the level of apoptotic cells at the 2× and 5× EC50 concentration (p < 0.001, n = 3). Furthermore, at the same concentration, RL71 significantly increased the number of cells in the G2/M phase. In conclusion, RL71 has potent cytotoxic activity in canine osteosarcoma cells triggering G2/M arrest and apoptosis at concentrations achievable in vivo. Future research should further investigate molecular mechanisms for these changes in other canine osteosarcoma cell lines prior to in vivo investigation.
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Affiliation(s)
- Barnaby Kelly
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Douglas Thamm
- Flint Animal Cancer Center, Colorado State University, Ft. Collins, Colorado, USA
| | - Rhonda J Rosengren
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
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3
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Joshi P, Verma K, Kumar Semwal D, Dwivedi J, Sharma S. Mechanism insights of curcumin and its analogues in cancer: An update. Phytother Res 2023; 37:5435-5463. [PMID: 37649266 DOI: 10.1002/ptr.7983] [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: 02/14/2023] [Revised: 07/05/2023] [Accepted: 07/30/2023] [Indexed: 09/01/2023]
Abstract
Cancer is the world's second leading cause of mortality and one of the major public health problems. Cancer incidence and mortality rates remain high despite the great advancements in existing therapeutic, diagnostic, and preventive approaches. Therefore, a quest for less toxic and more efficient anti-cancer strategies is still at the forefront of the current research. Traditionally important, curcumin commonly known as a wonder molecule has received considerable attention as an anti-cancer, anti-inflammatory, and antioxidant candidate. However, limited water solubility and low bioavailability restrict its extensive utility in different pathological states. The investigators are making consistent efforts to develop newer strategies to overcome its limitations by designing different analogues with better pharmacokinetic and pharmacodynamic properties. The present review highlights the recent updates on curcumin and its analogues with special emphasis on various mechanistic pathways involved in anti-cancer activity. In addition, the structure-activity relationship of curcumin analogues has also been precisely discussed. This article will also provide key information for the design and development of newer curcumin analogues with desired pharmacokinetic and pharmacodynamic profiles and will provide in depth understanding of molecular pathways involved in the anti-cancer activities.
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Affiliation(s)
- Priyanka Joshi
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India
| | - Kanika Verma
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India
| | - Deepak Kumar Semwal
- Faculty of Biomedical Sciences, Uttarakhand Ayurved University, Dehradun, Uttarakhand, India
| | - Jaya Dwivedi
- Department of Chemistry, Banasthali Vidyapith, Banasthali, Rajasthan, India
| | - Swapnil Sharma
- Department of Pharmacy, Banasthali Vidyapith, Banasthali, Rajasthan, India
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4
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Modified Curcumins as Potential Drug Candidates for Breast Cancer: An Overview. Molecules 2022; 27:molecules27248891. [PMID: 36558022 PMCID: PMC9784715 DOI: 10.3390/molecules27248891] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/08/2022] [Accepted: 12/11/2022] [Indexed: 12/23/2022] Open
Abstract
Breast cancer (BC), the most common malignancy in women, results from significant alterations in genetic and epigenetic mechanisms that alter multiple signaling pathways in growth and malignant progression, leading to limited long-term survival. Current studies with numerous drug therapies have shown that BC is a complex disease with tumor heterogeneity, rapidity, and dynamics of the tumor microenvironment that result in resistance to existing therapy. Targeting a single cell-signaling pathway is unlikely to treat or prevent BC. Curcumin (a natural yellow pigment), the principal ingredient in the spice turmeric, is well-documented for its diverse pharmacological properties including anti-cancer activity. However, its clinical application has been limited because of its low solubility, stability, and bioavailability. To overcome the limitation of curcumin, several modified curcumin conjugates and curcumin mimics were developed and studied for their anti-cancer properties. In this review, we have focused on the application of curcumin mimics and their conjugates for breast cancer.
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Zabaleta ME, Forbes-Hernández TY, Simal-Gandara J, Quiles JL, Cianciosi D, Bullon B, Giampieri F, Battino M. Effect of polyphenols on HER2-positive breast cancer and related miRNAs: Epigenomic regulation. Food Res Int 2020; 137:109623. [DOI: 10.1016/j.foodres.2020.109623] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/25/2020] [Accepted: 08/11/2020] [Indexed: 12/19/2022]
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6
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Martey ONK, Greish K, Smith PF, Rosengren RJ. A multivariate statistical analysis of the effects of styrene maleic acid encapsulated RL71 in a xenograft model of triple negative breast cancer. J Biol Methods 2019; 6:e121. [PMID: 31976348 PMCID: PMC6974696 DOI: 10.14440/jbm.2019.306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 09/08/2016] [Accepted: 10/07/2019] [Indexed: 12/29/2022] Open
Abstract
We have previously shown that the curcumin derivative 3,5-bis(3,4,5-trimethoxybenzylidene)-1-methylpiperidine-4-one (RL71), when encapsulated in styrene maleic acid micelles (SMA-RL71), significantly suppressed the growth of MDA-MB-231 xenografts by 67%. Univariate statistical analysis showed that pEGFR/EGFR, pAkt/Akt, pmTOR/mTOR and p4EBP1/4EPBP1 were all significantly decreased in tumors from treated mice compared to SMA controls. In this study, multivariate statistical analyses (MVAs) were performed to identify the molecular networks that worked together to drive tumor suppression, with the aim to determine if this analysis could also be used to predict treatment outcome. Linear discriminant analysis correctly predicted, to 100% certainty, mice that received SMA-RL71 treatment. Additionally, results from multiple linear regression showed that the expression of Ki67, PKC-α, PP2AA-α, PP2AA-β and CaD1 networked together to drive tumor growth suppression. Overall, the MVAs provided evidence for a molecular network of signaling proteins that drives tumor suppression in response to SMA-RL71 treatment, which should be explored further in animal studies of cancer.
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Affiliation(s)
- Orleans N K Martey
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin 9045, New Zealand
| | - Khaled Greish
- Department of Molecular Medicine, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Kingdom of Bahrain
| | - Paul F Smith
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin 9045, New Zealand
| | - Rhonda J Rosengren
- Department of Pharmacology and Toxicology, School of Biomedical Sciences, University of Otago, Dunedin 9045, New Zealand
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7
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Bland AR, Bower RL, Nimick M, Hawkins BC, Rosengren RJ, Ashton JC. Cytotoxicity of curcumin derivatives in ALK positive non-small cell lung cancer. Eur J Pharmacol 2019; 865:172749. [DOI: 10.1016/j.ejphar.2019.172749] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 10/16/2019] [Accepted: 10/17/2019] [Indexed: 12/21/2022]
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8
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Biasutto L, Mattarei A, La Spina M, Azzolini M, Parrasia S, Szabò I, Zoratti M. Strategies to target bioactive molecules to subcellular compartments. Focus on natural compounds. Eur J Med Chem 2019; 181:111557. [PMID: 31374419 DOI: 10.1016/j.ejmech.2019.07.060] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/04/2019] [Accepted: 07/21/2019] [Indexed: 02/06/2023]
Abstract
Many potential pharmacological targets are present in multiple subcellular compartments and have different pathophysiological roles depending on location. In these cases, selective targeting of a drug to the relevant subcellular domain(s) may help to sharpen its impact by providing topological specificity, thus limiting side effects, and to concentrate the compound where needed, thus increasing its effectiveness. We review here the state of the art in precision subcellular delivery. The major approaches confer "homing" properties to the active principle via permanent or reversible (in pro-drug fashion) modifications, or through the use of special-design nanoparticles or liposomes to ferry a drug(s) cargo to its desired destination. An assortment of peptides, substituents with delocalized positive charges, custom-blended lipid mixtures, pH- or enzyme-sensitive groups provide the main tools of the trade. Mitochondria, lysosomes and the cell membrane may be mentioned as the fronts on which the most significant advances have been made. Most of the examples presented here have to do with targeting natural compounds - in particular polyphenols, known as pleiotropic agents - to one or the other subcellular compartment.
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Affiliation(s)
- Lucia Biasutto
- CNR Neuroscience Institute, Viale G. Colombo 3, 35121, Padova, Italy; Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy.
| | - Andrea Mattarei
- Dept. Pharmaceutical and Pharmacological Sciences, University of Padova, Via Marzolo 5, 35131, Padova, Italy
| | - Martina La Spina
- Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
| | - Michele Azzolini
- Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
| | - Sofia Parrasia
- Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
| | - Ildikò Szabò
- CNR Neuroscience Institute, Viale G. Colombo 3, 35121, Padova, Italy; Dept. Biology, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
| | - Mario Zoratti
- CNR Neuroscience Institute, Viale G. Colombo 3, 35121, Padova, Italy; Dept. Biomedical Sciences, University of Padova, Viale G. Colombo 3, 35121, Padova, Italy
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9
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Chen S, Nimick M, Cridge AG, Hawkins BC, Rosengren RJ. Anticancer potential of novel curcumin analogs towards castrate-resistant prostate cancer. Int J Oncol 2017; 52:579-588. [PMID: 29207190 DOI: 10.3892/ijo.2017.4207] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 11/14/2017] [Indexed: 11/05/2022] Open
Abstract
Prostate cancer is initially sensitive to hormone therapy; however, over time the majority of patients progress to a hormone-insensitive form classified as castration-resistant prostate cancer (CRPC). CRPC is highly metastatic and patients have a poor prognosis. Thus, new drugs for the treatment of this disease are required. In this study, we therefore examined the cytotoxic effects and anticancer mechanism(s) of action of second generation curcumin analogs towards CRPC cells. For this purpose, PC3 and DU145 cells were treated with a series of curcumin analogs at 0-10 µM for 72 h and cytotoxicity was determined by the sulforhodamine B (SRB) assay. Two compounds, 1-isopropyl-3,5-bis(pyridin-3-ylmethylene)-4-piperidone (RL118) and 1-methyl-3,5-[(6-methoxynaphthalen-2-yl)methylene]-4-piperidone (RL121), were found to have the most potent cytotoxic effect with EC50 values of 0.50 and 0.58 µM in the PC3 cells and EC50 values of 0.76 and 0.69 µM in the DU145 cells, respectively. Thus, further experiments were performed focusing on these two compounds. Flow cytometry was performed to determine their effects on the cell cycle and apoptosis. Both analogs increased the number of cells in the G2/M phase of the cell cycle and induced apoptosis. Specifically, in the PC3 cells, RL121 increased the number of cells in the G2/M phase by 86% compared to the control, while RL118 increased the number of cells in the G2/M phase by 42% compared to the control after 24 h. Moreover, both RL118 and RL121 induced the apoptosis of both cell lines. In the DU145 cells, a 38-fold increase in the number of apoptotic cells was elicited by RL118 and a 78-fold increase by RL121 compared to the control. Furthermore, the effects of both analogs on the expression of key proteins involved in cell proliferation were also determined by western blot analysis. The results revealed that both analogs inhibited the expression of nuclear factor (NF)-κB (p65/RelA), eukaryotic translation initiation factor 4E-binding protein 1 (4E-BP1), p-4E-BP1, mammalian target of rapamycin (mTOR), p-mTOR, AKT and p-AKT. Thus, the findings of this study provide evidence that RL118 and RL121 have potent anticancer activity against CPRC cells, and both analogs warrant further investigation in vivo.
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Affiliation(s)
- Shuli Chen
- Department of Pharmacology and Toxicology, University of Otago, Dunedin 9016, New Zealand
| | - Mhairi Nimick
- Department of Pharmacology and Toxicology, University of Otago, Dunedin 9016, New Zealand
| | - Andrew G Cridge
- Department of Biochemistry, University of Otago, Dunedin 9016, New Zealand
| | - Bill C Hawkins
- Department of Chemistry, University of Otago, Dunedin 9016, New Zealand
| | - Rhonda J Rosengren
- Department of Pharmacology and Toxicology, University of Otago, Dunedin 9016, New Zealand
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10
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Martey O, Nimick M, Taurin S, Sundararajan V, Greish K, Rosengren RJ. Styrene maleic acid-encapsulated RL71 micelles suppress tumor growth in a murine xenograft model of triple negative breast cancer. Int J Nanomedicine 2017; 12:7225-7237. [PMID: 29042771 PMCID: PMC5634372 DOI: 10.2147/ijn.s148908] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Patients with triple negative breast cancer have a poor prognosis due in part to the lack of targeted therapies. In the search for novel drugs, our laboratory has developed a second-generation curcumin derivative, 3,5-bis(3,4,5-trimethoxybenzylidene)-1-methylpiperidine-4-one (RL71), that exhibits potent in vitro cytotoxicity. To improve the clinical potential of this drug, we have encapsulated it in styrene maleic acid (SMA) micelles. SMA-RL71 showed improved biodistribution, and drug accumulation in the tumor increased 16-fold compared to control. SMA-RL71 (10 mg/kg, intravenously, two times a week for 2 weeks) also significantly suppressed tumor growth compared to control in a xenograft model of triple negative breast cancer. Free RL71 was unable to alter tumor growth. Tumors from SMA-RL71-treated mice showed a decrease in angiogenesis and an increase in apoptosis. The drug treatment also modulated various cell signaling proteins including the epidermal growth factor receptor, with the mechanisms for tumor suppression consistent with previous work with RL71 in vitro. The nanoformulation was also nontoxic as shown by normal levels of plasma markers for liver and kidney injury following weekly administration of SMA-RL71 (10 mg/kg) for 90 days. Thus, we report clinical potential following encapsulation of a novel curcumin derivative, RL71, in SMA micelles.
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Affiliation(s)
- Orleans Martey
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Mhairi Nimick
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Sebastien Taurin
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Vignesh Sundararajan
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
| | - Khaled Greish
- Department of Molecular Medicine, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Kingdom of Bahrain
| | - Rhonda J Rosengren
- Department of Pharmacology and Toxicology, University of Otago, Dunedin, New Zealand
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11
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Tajbakhsh A, Hasanzadeh M, Rezaee M, Khedri M, Khazaei M, ShahidSales S, Ferns GA, Hassanian SM, Avan A. Therapeutic potential of novel formulated forms of curcumin in the treatment of breast cancer by the targeting of cellular and physiological dysregulated pathways. J Cell Physiol 2017; 233:2183-2192. [PMID: 28419458 DOI: 10.1002/jcp.25961] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Revised: 04/13/2017] [Accepted: 04/14/2017] [Indexed: 12/11/2022]
Abstract
Breast cancer is among the most important causes of cancer related death in women. There is a need for novel agents for targeting key signaling pathways to either improve the efficacy of the current therapy, or reduce toxicity. There is some evidence that curcumin may have antitumor activity in breast cancer. Several clinical trials have investigated its activity in patients with breast cancer, including a recent trial in breast cancer patients receiving radiotherapy, in whom it was shown that curcumin reduced the severity of radiation dermatitis, although it is associated with low bioavailability. Several approaches have been developed to increase its absorption rate (e.g., nano crystals, liposomes, polymers, and micelles) and co-delivery of curcumin with adjuvants as well as different conjugation to enhance its bioavailability. In particular, micro-emulsions is an option for transdermal curcumin delivery, which has been reported to increase its absorption. Lipid-based nano-micelles is another approach to enhance curcumin absorption via gastrointestinal tract, while polymer-based nano-formulations (e.g., poly D, L-lactic-co-glycolic [PLGA]) allows the release of curcumin at a sustained level. This review summarizes the current data of the therapeutic potential of novel formulations of curcumin with particular emphasis on recent preclinical and clinical studies in the treatment of breast cancer.
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Affiliation(s)
- Amir Tajbakhsh
- Department of Modern Sciences and Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Malihe Hasanzadeh
- Department of Gynecology Oncology, Woman Health Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mehdi Rezaee
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mostafa Khedri
- Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Immunology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Khazaei
- Department of Medical Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Gordon A Ferns
- Brighton and Sussex Medical School, Division of Medical Education, Falmer, Brighton, UK
| | - Seyed Mahdi Hassanian
- Department of Medical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Metabolic syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir Avan
- Metabolic syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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12
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Anticancer Curcumin: Natural Analogues and Structure-Activity Relationship. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2017. [DOI: 10.1016/b978-0-444-63929-5.00010-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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13
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Taurin S, Nimick M, Larsen L, Rosengren RJ. A novel curcumin derivative increases the cytotoxicity of raloxifene in estrogen receptor-negative breast cancer cell lines. Int J Oncol 2015; 48:385-98. [PMID: 26648459 DOI: 10.3892/ijo.2015.3252] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2015] [Accepted: 10/09/2015] [Indexed: 11/05/2022] Open
Abstract
There is a need for new, safe and efficacious drug therapies for the treatment of estrogen receptor (ER)-negative breast cancers. Raloxifene and the 2nd generation curcumin derivative 2,6-bis(pyridin-4-ylmethylene)-cyclohexanone (RL91) have been shown to inhibit the growth of ER-negative breast cancer cells in vitro and in vivo. We investigated whether RL91 could enhance the growth-suppressive effects mediated by raloxifene in MDA-MB-231, MDA-MB-468, Hs578t and SkBr3 human breast cancer cell lines. The cytotoxicity was consistent across the cell lines but RL91 was more potent. EC50 values for RL91 were 1.2-2 µM while EC50 values for raloxifene were 9.6-11.2 µM. When the cells were treated with raloxifene (15 µM), RL91 (1 µM) or a combination of the two for 6-72 h, the combination treatment consistently elicited significantly greater cytotoxicity compared to all other treatments. In SkBr3 cells the combination treatment caused significantly more cells to undergo G1 arrest compared to raloxifene. In all cell lines apoptosis was synergistically induced by the combination treatment, as shown by both flow cytometery and cleaved caspase-3. Furthermore, the stress kinase p38 was increased and EFGR isoforms were decreased by both raloxifene and raloxifene + RL91. The anti-angiogenic anti-metastatic potential of raloxifene was not increased by RL91, as MDA-MB-231 cell migration and invasion as well as endothelial tube formation by HUVEC cells was not different between raloxifene (10 µM) and the combination of raloxifene + RL91. Thus, our findings provide evidence that RL91 increases the ability of raloxifene to suppress ER-negative cancer cell growth by increasing the number of apoptotic cells. The broad effect of this drug combination across a range of ER-negative breast cancer cell lines indicates that this drug combination should be explored further in order to find a safe and efficacious therapy for ER-negative breast cancer.
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Affiliation(s)
- Sebastien Taurin
- Department of Pharmacology and Toxicology, University of Otago, Dunedin 9054, New Zealand
| | - Mhairi Nimick
- Department of Pharmacology and Toxicology, University of Otago, Dunedin 9054, New Zealand
| | - Lesley Larsen
- Department of Chemistry, University of Otago, Dunedin 9054, New Zealand
| | - Rhonda J Rosengren
- Department of Pharmacology and Toxicology, University of Otago, Dunedin 9054, New Zealand
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14
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Mock CD, Jordan BC, Selvam C. Recent Advances of Curcumin and its Analogues in Breast Cancer Prevention and Treatment. RSC Adv 2015; 5:75575-75588. [PMID: 27103993 PMCID: PMC4836288 DOI: 10.1039/c5ra14925h] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
More than 230,000 diagnosed cases of invasive breast cancer in women was estimated in 2014 and an expected 40,000 deaths attributed to the aggressive carcinoma. An effective approach to diminish the morbidity and mortality of breast cancer is the development of chemopreventive and chemotherapeutic agents. Nutraceuticals have demonstrated their ability to proficiently halt carcinogenesis. The administration of natural compounds able to effectively serve as chemoprevention and chemotherapeutics without causing harm or adverse effects is imperative. Curcumin derived from the rhizome of Curcuma longa L., is a common spice of India, used for centuries because of its medicinal properties. The main component of curcumin possesses a wide range of biological activities; anti-proliferative, anti-inflammatory, and apoptotic characteristics modulated through the inactivation of pathways such as EGK and Akt/mTOR. In addition, curcumin alters the expression of cytokines, transcription factors, and enzymes involved in cell vitality. The in vivo application of curcumin in breast cancer is hindered by its limited bioavailabiity. The synthesis of curcumin analogues and delivery via nanoparticles has demonstrated enhanced bioavailability of curcumin in the malignancy. This review focuses on recent developments in the use of curcumin, curcumin analogues, and novel delivery systems as a preventive and therapeutic method for breast cancer.
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Affiliation(s)
- Charlotta D Mock
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX-77004, USA
| | - Brian C Jordan
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX-77004, USA
| | - Chelliah Selvam
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Texas Southern University, Houston, TX-77004, USA
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15
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Lien JC, Hung CM, Lin YJ, Lin HC, Ko TC, Tseng LC, Kuo SC, Ho CT, Lee JC, Way TD. Pculin02H, a curcumin derivative, inhibits proliferation and clinical drug resistance of HER2-overexpressing cancer cells. Chem Biol Interact 2015; 235:17-26. [DOI: 10.1016/j.cbi.2015.04.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 03/23/2015] [Accepted: 04/04/2015] [Indexed: 10/23/2022]
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Shetty D, Kim YJ, Shim H, Snyder JP. Eliminating the heart from the curcumin molecule: monocarbonyl curcumin mimics (MACs). Molecules 2014; 20:249-92. [PMID: 25547726 PMCID: PMC4312668 DOI: 10.3390/molecules20010249] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 12/10/2014] [Indexed: 12/17/2022] Open
Abstract
Curcumin is a natural product with several thousand years of heritage. Its traditional Asian application to human ailments has been subjected in recent decades to worldwide pharmacological, biochemical and clinical investigations. Curcumin’s Achilles heel lies in its poor aqueous solubility and rapid degradation at pH ~ 7.4. Researchers have sought to unlock curcumin’s assets by chemical manipulation. One class of molecules under scrutiny are the monocarbonyl analogs of curcumin (MACs). A thousand plus such agents have been created and tested primarily against cancer and inflammation. The outcome is clear. In vitro, MACs furnish a 10–20 fold potency gain vs. curcumin for numerous cancer cell lines and cellular proteins. Similarly, MACs have successfully demonstrated better pharmacokinetic (PK) profiles in mice and greater tumor regression in cancer xenografts in vivo than curcumin. The compounds reveal limited toxicity as measured by murine weight gain and histopathological assessment. To our knowledge, MAC members have not yet been monitored in larger animals or humans. However, Phase 1 clinical trials are certainly on the horizon. The present review focuses on the large and evolving body of work in cancer and inflammation, but also covers MAC structural diversity and early discovery for treatment of bacteria, tuberculosis, Alzheimer’s disease and malaria.
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Affiliation(s)
- Dinesh Shetty
- Center for Self-assembly and Complexity, Institute for Basic Science, Pohang 790-784, Korea.
| | - Yong Joon Kim
- Department of Chemistry, Emory University, Atlanta, GA 30322, USA.
| | - Hyunsuk Shim
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, GA 30322, USA.
| | - James P Snyder
- Department of Chemistry, Emory University, Atlanta, GA 30322, USA.
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Garg AD, Maes H, van Vliet AR, Agostinis P. Targeting the hallmarks of cancer with therapy-induced endoplasmic reticulum (ER) stress. Mol Cell Oncol 2014; 2:e975089. [PMID: 27308392 PMCID: PMC4905250 DOI: 10.4161/23723556.2014.975089] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 09/24/2014] [Accepted: 09/25/2014] [Indexed: 12/19/2022]
Abstract
The endoplasmic reticulum (ER) is at the center of a number of vital cellular processes such as cell growth, death, and differentiation, crosstalk with immune or stromal cells, and maintenance of proteostasis or homeostasis, and ER functions have implications for various pathologies including cancer. Recently, a number of major hallmarks of cancer have been delineated that are expected to facilitate the development of anticancer therapies. However, therapeutic induction of ER stress as a strategy to broadly target multiple hallmarks of cancer has been seldom discussed despite the fact that several primary or secondary ER stress-inducing therapies have been found to exhibit positive clinical activity in cancer patients. In the present review we provide a brief historical overview of the major discoveries and milestones in the field of ER stress biology with important implications for anticancer therapy. Furthermore, we comprehensively discuss possible strategies enabling the targeting of multiple hallmarks of cancer with therapy-induced ER stress.
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Affiliation(s)
- Abhishek D Garg
- Cell Death Research & Therapy (CDRT) Laboratory; Department for Cellular and Molecular Medicine; KU Leuven University of Leuven ; Leuven, Belgium
| | - Hannelore Maes
- Cell Death Research & Therapy (CDRT) Laboratory; Department for Cellular and Molecular Medicine; KU Leuven University of Leuven ; Leuven, Belgium
| | - Alexander R van Vliet
- Cell Death Research & Therapy (CDRT) Laboratory; Department for Cellular and Molecular Medicine; KU Leuven University of Leuven ; Leuven, Belgium
| | - Patrizia Agostinis
- Cell Death Research & Therapy (CDRT) Laboratory; Department for Cellular and Molecular Medicine; KU Leuven University of Leuven ; Leuven, Belgium
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18
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Curcumin: a potential candidate in prevention of cancer via modulation of molecular pathways. BIOMED RESEARCH INTERNATIONAL 2014; 2014:761608. [PMID: 25295272 PMCID: PMC4176907 DOI: 10.1155/2014/761608] [Citation(s) in RCA: 121] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Revised: 08/25/2014] [Accepted: 08/25/2014] [Indexed: 02/06/2023]
Abstract
Cancer is the most dreadful disease worldwide in terms of morbidity and mortality. The exact cause of cancer development and progression is not fully known. But it is thought that cancer occurs due to the structural and functional changes in the genes. The current approach to cancer treatment based on allopathic is expensive, exhibits side effects; and may also alter the normal functioning of genes. Thus, a safe and effective mode of treatment is needed to control the cancer development and progression. Some medicinal plants provide a safe, effective and affordable remedy to control the progression of malignant cells. The importance of medicinal plants and their constituents has been documented in Ayurveda, Unani medicine, and various religious books. Curcumin, a vital constituent of the spice turmeric, is an alternative approach in the prevention of cancer. Earlier studies have shown the effect of curcumin as an antioxidant, antibacterial, antitumor and it also has a noteworthy role in the control of different diseases. In this review, we summarize the understanding of chemopreventive effects of curcumin in the prevention of cancer via the regulation of various cell signaling and genetic pathways.
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Lee HE, Choi ES, Jung JY, You MJ, Kim LH, Cho SD. Inhibition of specificity protein 1 by dibenzylideneacetone, a curcumin analogue, induces apoptosis in mucoepidermoid carcinomas and tumor xenografts through Bim and truncated Bid. Oral Oncol 2013; 50:189-95. [PMID: 24309154 DOI: 10.1016/j.oraloncology.2013.11.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2013] [Revised: 11/13/2013] [Accepted: 11/14/2013] [Indexed: 01/15/2023]
Abstract
OBJECTIVES Dibenzylideneacetone (DBA), a curcumin analogue that has anti-cancer activity in a variety of tumor cells. In this study, we investigated the apoptotic effects of DBA and its molecular mechanism in human mucoepidermoid carcinoma (MEC) cell lines and tumor xenografts. MATERIAL AND METHODS The apoptotic effects and related molecular mechanisms of DBA on MEC cell lines were evaluated using cell viability assay, DAPI staining, Western blot analysis, reverse transcriptase-polymerase chain reaction (RT-PCR) and Dual-luciferase Reporter Assay. The anti-tumor activity using in vivo were determined by Nude mouse xenograft assay and histopathological examination. RESULTS DBA decreased cell viability and induced apoptosis in MEC cells. These events were accompanied by inhibition of specificity protein 1 (Sp1). DBA did not induce major changes in Sp1 mRNA and promoter activity. Furthermore, inhibition of protein synthesis by cycloheximide demonstrated that DBA decreased Sp1 protein stability, but DBA did not attenuate phosphorylation of eIF4E. DBA also increased Bim and truncated Bid (t-Bid) via Sp1. Finally, DBA exhibited significant anti-tumor activity in athymic nude mice xenografts bearing MC-3 cells by regulating Sp1, Bim and t-Bid without any systemic toxicity. CONCLUSION These results elucidate a crucial apoptotic mechanism of DBA and suggest that DBA may be a potent anticancer drug candidate for MEC.
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Affiliation(s)
- Heang-Eun Lee
- Department of Oral Pathology, School of Dentistry and Institute of Oral Bioscience, Brain Korea 21 Project, Chonbuk National University, JeonJu 561-756, Republic of Korea
| | - Eun-Sun Choi
- Department of Oral Pathology, School of Dentistry and Institute of Oral Bioscience, Brain Korea 21 Project, Chonbuk National University, JeonJu 561-756, Republic of Korea
| | - Ji-Youn Jung
- Department of Companion and Laboratory Animal Science, Kongju National University, Yesan 314-701, Republic of Korea
| | - Myung-Jo You
- Laboratory of Veterinary Parasitology, College of Veterinary Medicine and Bio-Safety Research Centre, Chonbuk National University, Jeonju 561-756, Republic of Korea
| | - Lee-Han Kim
- Division of Life Sciences, Wonkwang University, Iksan 570-749, Republic of Korea
| | - Sung-Dae Cho
- Department of Oral Pathology, School of Dentistry and Institute of Oral Bioscience, Brain Korea 21 Project, Chonbuk National University, JeonJu 561-756, Republic of Korea.
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Jackson SJT, Murphy LL, Venema RC, Singletary KW, Young AJ. Curcumin binds tubulin, induces mitotic catastrophe, and impedes normal endothelial cell proliferation. Food Chem Toxicol 2013; 60:431-8. [PMID: 23939039 DOI: 10.1016/j.fct.2013.08.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2013] [Revised: 08/01/2013] [Accepted: 08/04/2013] [Indexed: 12/18/2022]
Abstract
Curcumin, a component of turmeric spice that imparts flavor and color to curry, is thought to possess anti-inflammatory and antioxidant properties in biological tissues. However, while such efficacies have been described in the context of carcinogenesis, the impact of curcumin on normal cell cycle regulation is poorly understood. Here, we provide evidence of curcumin toxicity in proliferating bovine aortic endothelial cells, at concentrations relevant to the diet and below those previously reported in cancer models. Upon confirming curcumin's ability to upregulate hemeoxygenase-1 in a dose-dependent fashion, we found the minimally efficacious curcumin concentration to also inhibit endothelial cell DNA synthesis. Moreover, curcumin concentrations below the minimum 2 μM threshold required to induce hemeoxygenase-1 bound tubulin protein in vitro and triggered hallmark evidence of mitotic catastrophe in vivo. Concentrations as low as 0.1 μM curcumin led to disproportionate DNA segregation, karyorrhexis, and micronucleation in proliferating endothelial cells. While suggesting a mechanism by which physiological curcumin concentrations inhibit cell cycle progression, these findings describe heretofore unappreciated curcumin toxicity with potential implications for endothelial growth, development, and tissue healing.
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Affiliation(s)
- Steven J T Jackson
- U.S. Army Research Institute of Environmental Medicine, Military Nutrition Division, 15 Kansas Street, Natick, MA 01760, United States.
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Kewitz S, Volkmer I, Staege MS. Curcuma Contra Cancer? Curcumin and Hodgkin's Lymphoma. CANCER GROWTH AND METASTASIS 2013; 6:35-52. [PMID: 24665206 PMCID: PMC3941149 DOI: 10.4137/cgm.s11113] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Curcumin, a phytochemical isolated from curcuma plants which are used as coloring ingredient for the preparation of curry powder, has several activities which suggest that it might be an interesting drug for the treatment or prevention of cancer. Curcumin targets different pathways which are involved in the malignant phenotype of tumor cells, including the nuclear factor kappa B (NFKB) pathway. This pathway is deregulated in multiple tumor entities, including Hodgkin’s lymphoma (HL). Indeed, curcumin can inhibit growth of HL cell lines and increases the sensitivity of these cells for cisplatin. In this review we summarize curcumin activities with special focus on possible activities against HL cells.
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Affiliation(s)
- Stefanie Kewitz
- Martin-Luther-University Halle-Wittenberg, University Clinic and Polyclinic for Child and Adolescent Medicine, Halle, Germany
| | - Ines Volkmer
- Martin-Luther-University Halle-Wittenberg, University Clinic and Polyclinic for Child and Adolescent Medicine, Halle, Germany
| | - Martin S Staege
- Martin-Luther-University Halle-Wittenberg, University Clinic and Polyclinic for Child and Adolescent Medicine, Halle, Germany
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Cridge BJ, Larsen L, Rosengren RJ. Curcumin and its derivatives in breast cancer: Current developments and potential for the treatment of drug-resistant cancers. ACTA ACUST UNITED AC 2013. [DOI: 10.7243/2052-6199-1-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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