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Benameur T, Frota Gaban SV, Giacomucci G, Filannino FM, Trotta T, Polito R, Messina G, Porro C, Panaro MA. The Effects of Curcumin on Inflammasome: Latest Update. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020742. [PMID: 36677800 PMCID: PMC9866118 DOI: 10.3390/molecules28020742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/03/2023] [Accepted: 01/09/2023] [Indexed: 01/15/2023]
Abstract
Curcumin, a traditional Chinese medicine extracted from natural plant rhizomes, has become a candidate drug for the treatment of different diseases due to its anti-inflammatory, anticancer, antioxidant, and antibacterial activities. Curcumin is generally beneficial to improve human health with anti-inflammatory and antioxidative properties as well as antitumor and immunoregulatory properties. Inflammasomes are NLR family, pyrin domain-containing 3 (NLRP3) proteins that are activated in response to a variety of stress signals and that promote the proteolytic conversion of pro-interleukin-1β and pro-interleukin-18 into active forms, which are central mediators of the inflammatory response; inflammasomes can also induce pyroptosis, a type of cell death. The NLRP3 protein is involved in a variety of inflammatory pathologies, including neurological and autoimmune disorders, lung diseases, atherosclerosis, myocardial infarction, and many others. Different functional foods may have preventive and therapeutic effects in a wide range of pathologies in which inflammasome proteins are activated. In this review, we have focused on curcumin and evidenced its therapeutic potential in inflammatory diseases such as neurodegenerative diseases, respiratory diseases, and arthritis by acting on the inflammasome.
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Affiliation(s)
- Tarek Benameur
- College of Medicine, Department of Biomedical Sciences, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Socorro Vanesca Frota Gaban
- Department of Food Engineering, Federal University of Ceara, Campus do Pici., Fortaleza CEP60356-000, Brazil
| | - Giulia Giacomucci
- Department of Neuroscience, Psychology, Drug Research and Child Health, University of Florence, 50134 Florence, Italy
| | | | - Teresa Trotta
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy
| | - Rita Polito
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy
| | - Giovanni Messina
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy
| | - Chiara Porro
- Department of Clinical and Experimental Medicine, University of Foggia, 71121 Foggia, Italy
- Correspondence:
| | - Maria Antonietta Panaro
- Department of Biosciences, Biotechnologies and Environment, University of Bari, 70125 Bari, Italy
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Deng T, Xu X, Fu J, Xu Y, Qu W, Pi J, Wang H. Application of ARE-reporter systems in drug discovery and safety assessment. Toxicol Appl Pharmacol 2022; 454:116243. [PMID: 36115658 DOI: 10.1016/j.taap.2022.116243] [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: 05/31/2022] [Revised: 08/16/2022] [Accepted: 09/09/2022] [Indexed: 11/28/2022]
Abstract
The human body is continuously exposed to xenobiotics and internal or external oxidants. The health risk assessment of exogenous chemicals remains a complex and challenging issue. Alternative toxicological test methods have become an essential strategy for health risk assessment. As a core regulator of constitutive and inducible expression of antioxidant response element (ARE)-dependent genes, nuclear factor erythroid 2-related factor 2 (Nrf2) plays a critical role in maintaining cellular redox homeostasis. Consistent with the properties of Nrf2-mediated antioxidant response, Nrf2-ARE activity is a direct indicator of oxidative stress and thus has been used to identify and characterize oxidative stressors and redox modulators. To screen and distinguish chemicals or environmental insults that affect the cellular antioxidant activity and/or induce oxidative stress, various in vitro cell models expressing distinct ARE reporters with high-throughput and high-content properties have been developed. These ARE-reporter systems are currently widely applied in drug discovery and safety assessment. In the present review, we provide an overview of the basic structures and applications of various ARE-reporter systems employed for discovering Nrf2-ARE modulators and characterizing oxidative stressors.
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Affiliation(s)
- Tianqi Deng
- Laboratory of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, Shenyang 110122, China
| | - Xiaoge Xu
- Laboratory of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, Shenyang 110122, China
| | - Jingqi Fu
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang 110122, China
| | - Yuanyuan Xu
- Laboratory of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, Shenyang 110122, China
| | - Weidong Qu
- Key Laboratory of Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health, Fudan University, Shanghai 200032, China
| | - Jingbo Pi
- Program of Environmental Toxicology, School of Public Health, China Medical University, Shenyang 110122, China.
| | - Huihui Wang
- Laboratory of Chronic Disease and Environmental Genomics, School of Public Health, China Medical University, Shenyang 110122, China.
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Quispe C, Herrera-Bravo J, Khan K, Javed Z, Semwal P, Painuli S, Kamiloglu S, Martorell M, Calina D, Sharifi-Rad J. Therapeutic applications of curcumin nanomedicine formulations in cystic fibrosis. Prog Biomater 2022; 11:321-329. [PMID: 35904711 DOI: 10.1007/s40204-022-00198-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 07/17/2022] [Indexed: 12/12/2022] Open
Abstract
Medicinal applications of turmeric-derived curcumin have been known to mankind for long ages. Its potential in managing "cystic fibrosis" has also been evaluated. This autosomal recessive genetic disease is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) which involves an impaired secretion of chloride ions and leads to hypersecretion of thick and sticky mucus and serious complications including airway obstruction, chronic lung infection, and inflammatory reactions. This narrative review aims to highlight the available evidence for the efficacy of curcumin nanoformulations in its potential treatment of cystic fibrosis. Recent research has shown that curcumin acts on the localized mutant CFTR ion channel at the plasma membrane. Preclinical studies have also shown that curcumin nanoformulations have promising effects in the treatment of cystic fibrosis. In this context, the purpose of this narrative review is to highlight the general bioactivity of curcumin, the types of formulations and related studies, thus opening new therapeutic perspectives for CF.
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Affiliation(s)
- Cristina Quispe
- Facultad de Ciencias de La Salud, Universidad Arturo Prat, Avda. Arturo Prat 2120, 1110939, Iquique, Chile
| | - Jesús Herrera-Bravo
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomas, Bogotá, Chile.,Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, 4811230, Temuco, Chile
| | - Khushbukhat Khan
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Sector H-12, Islamabad, 44000, Pakistan
| | - Zeeshan Javed
- Center for Applied Molecular Biology, University of the Punjab, Lahore, Pakistan
| | - Prabhakar Semwal
- Department of Biotechnology, Graphic Era University, Dehradun, India.,Uttarakhand State Council for Science and Technology, Dehradun, India
| | - Sakshi Painuli
- Department of Biotechnology, Graphic Era University, Dehradun, India
| | - Senem Kamiloglu
- Science and Technology Application and Research Center (BITUAM), Bursa Uludag University, 16059, Gorukle, Bursa, Turkey
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, and Centre for Healthy Living, University of Concepción, 4070386, Concepción, Chile.
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349, Craiova, Romania.
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Zhang J, Yan E, Zhang L, Wang T, Wang C. Curcumin reduces oxidative stress and fat deposition in longissimus dorsi muscle of intrauterine growth-retarded finishing pigs. Anim Sci J 2022; 93:e13741. [PMID: 35707899 DOI: 10.1111/asj.13741] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 03/14/2022] [Accepted: 05/02/2022] [Indexed: 11/28/2022]
Abstract
Dietary curcumin possessing multiple biological activities may be an effective way to alleviate oxidative damage and fat deposition in intrauterine growth retardation (IUGR) finishing pigs. Therefore, this study was conducted to evaluate effects of dietary curcumin on meat quality, antioxidant capacity, and fat deposition of longissimus dorsi muscle in IUGR finishing pigs. Twelve normal birth weight (NBW) and 24 IUGR female piglets at 26 days of age were divided into 3 dietary groups: NBW (basal diet), IUGR (basal diet), and IUGR + Cur (basal diet supplemented with 200 mg/kg curcumin). The trial lasted for 169 days. Results showed that IUGR increased concentrations of malondialdehyde (MDA) and protein carbonyls (PC) and fat deposition in longissimus dorsi muscle. However, curcumin decreased the intramuscular fat content and the levels of MDA and PC and improved meat quality in IUGR pigs. Furthermore, curcumin inhibited the decrease of nuclear factor erythroid 2-related factor 2 (Nrf2) protein expression and decreased peroxisome pro liferator-activated receptors γ (PPARγ) expression in IUGR pigs. These findings suggested that dietary addition of 200 mg/kg curcumin could improve meat quality, alleviate oxidative stress through activating Nrf2 signaling pathway, and reduce fat deposition via inhibiting PPARγ expression in longissimus dorsi muscle of IUGR finishing pigs.
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Affiliation(s)
- Jiaqi Zhang
- College of Animal Science and Technology, National Experimental Teaching Demonstration Center for Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Enfa Yan
- College of Animal Science and Technology, National Experimental Teaching Demonstration Center for Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Lili Zhang
- College of Animal Science and Technology, National Experimental Teaching Demonstration Center for Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Tian Wang
- College of Animal Science and Technology, National Experimental Teaching Demonstration Center for Animal Science, Nanjing Agricultural University, Nanjing, China
| | - Chao Wang
- College of Animal Science and Technology, National Experimental Teaching Demonstration Center for Animal Science, Nanjing Agricultural University, Nanjing, China
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Shahcheraghi SH, Salemi F, Peirovi N, Ayatollahi J, Alam W, Khan H, Saso L. Nrf2 Regulation by Curcumin: Molecular Aspects for Therapeutic Prospects. Molecules 2021; 27:167. [PMID: 35011412 PMCID: PMC8746993 DOI: 10.3390/molecules27010167] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/10/2021] [Accepted: 12/14/2021] [Indexed: 12/12/2022] Open
Abstract
Nuclear factor erythroid 2 p45-related factor (2Nrf2) is an essential leucine zipper protein (bZIP) that is primarily located in the cytoplasm under physiological conditions. Nrf2 principally modulates endogenous defense in response to oxidative stress in the brain.In this regard, Nrf2 translocates into the nucleus and heterodimerizes with the tiny Maf or Jun proteins. It then attaches to certain DNA locations in the nucleus, such as electrophile response elements (EpRE) or antioxidant response elements (ARE), to start the transcription of cytoprotective genes. Many neoplasms have been shown to have over activated Nrf2, strongly suggesting that it is responsible for tumors with a poor prognosis. Exactly like curcumin, Zinc-curcumin Zn (II)-curc compound has been shown to induce Nrf2 activation. In the cancer cell lines analyzed, Zinc-curcumin Zn (II)-curc compound can also display anticancer effects via diverse molecular mechanisms, including markedly increasing heme oxygenase-1 (HO-1) p62/SQSTM1 and the Nrf2 protein levels along with its targets. It also strikingly decreases the levels of Nrf2 inhibitor, Kelch-like ECH-associated protein 1 (Keap1) protein.As a result, the crosstalk between p62/SQSTM1 and Nrf2 could be used to improve cancer patient response to treatments. The interconnected anti-inflammatory and antioxidative properties of curcumin resulted from its modulatory effects on Nrf2 signaling pathway have been shown to improve insulin resistance. Curcumin exerts its anti-inflammatory impact through suppressing metabolic reactions and proteins such as Keap1 that provoke inflammation and oxidation. A rational amount of curcumin-activated antioxidant Nrf2 HO-1 and Nrf2-Keap1 pathways and upregulated the modifier subunit of glutamate-cysteine ligase involved in the production of the intracellular antioxidant glutathione. Enhanced expression of glutamate-cysteine ligase, a modifier subunit (GLCM), inhibited transcription of glutamate-cysteine ligase, a catalytic subunit (GCLC). A variety of in vivo, in vitro and clinical studies has been done so far to confirm the protective role of curcumin via Nrf2 regulation. This manuscript is designed to provide a comprehensive review on the molecular aspects of curcumin and its derivatives/analogs via regulation of Nrf2 regulation.
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Affiliation(s)
- Seyed Hossein Shahcheraghi
- Infectious Diseases Research Center, Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd 8916978477, Iran; (S.H.S.); (J.A.)
| | - Fateme Salemi
- School of Medicine, Islamic Azad University of Medical Sciences, Yazd 19395/1495, Iran;
| | - Niloufar Peirovi
- School of Medicine, Tehran University of Medical Sciences, Tehran 1417614411, Iran;
| | - Jamshid Ayatollahi
- Infectious Diseases Research Center, Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd 8916978477, Iran; (S.H.S.); (J.A.)
| | - Waqas Alam
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan;
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan;
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University, 00185 Rome, Italy;
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Amphipathic methoxypolyethylene glycol-curcumin conjugate as effective drug delivery system useful for colonic diseases. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04892-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Xiao S, Deng Y, Shen N, Sun Y, Tang H, Hu P, Ren H, Peng M. Curc-mPEG454, a PEGylated curcumin derivative, as a multi-target anti-fibrotic prodrug. Int Immunopharmacol 2021; 101:108166. [PMID: 34628270 DOI: 10.1016/j.intimp.2021.108166] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 09/06/2021] [Accepted: 09/14/2021] [Indexed: 10/20/2022]
Abstract
Our previous studies demonstrated that Curc-mPEG454, a curcumin derivative modified with short-chain polyethylene glycol (PEG), not only increased the blood concentration of curcumin, but also retained its anti-inflammatory activity. Here, we aimed to evaluate the anti-fibrotic effect of Curc-mPEG454 on a rat liver fibrosis model induced by carbon tetrachloride (CCl4), and to explore the underlying mechanisms by integrating our total liver RNA sequencing (RNA-seq) data with recent liver single-cell sequencing (scRNA-seq) studies. 50 mg/kg and 100 mg/kg Curc-mPEG454 treatment significantly reduced the elevation of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) induced by CCl4, and the incidence of liver cirrhosis decreased from 75% to 37% and 35%, respectively. RNA-seq analysis revealed that Curc-mPEG454 significantly upregulated aldehyde oxidase 1 (AOX1) while downregulated cytochrome p450 26A1 (CYP26A1) and cytochrome p450 26B1 (CYP26B1) resulting in restoring liver retinoic acid (RA) level, increased glutamate-cysteine ligase catalytic subunit (GCLC) and glutamate-cysteine ligase modifier subunit (GCLM) expression to synthesize hepatic glutathione (GSH), and inhibited liver inflammation via down-regulating the Prostaglandin E Synthase 2 (PTGES2)/prostacyclin E2 (PGE2) signaling. Integrating scRNA-seq data revealed that Curc-mPEG454 effectively inhibited the expansion of scar-associated macrophage subpopulation and scar-producing myofibroblasts in the damaged liver, and remodeled the fibrotic niche via regulation of ligand-receptor interactions including platelet-derived growth factor-B (PDGF-B)/platelet-derived growth factor receptor-α (PDGFR-α) signaling. As a multi-target prodrug, PEGylated curcumin deserves further attention and research.
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Affiliation(s)
- Shuang Xiao
- Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Yanhong Deng
- People's Hospital of Ningxia Hui Autonomous Region, Yinchuan 750004, China
| | - Neng Shen
- Chongqing University Cancer Hospital, Chongqing 400030, China
| | - Yong Sun
- Department of Endocrinology and Metabolism, Dazhou Central Hospital, Dazhou 635000, Sichuan, China
| | - Huadong Tang
- Zhejiang University of Technology, Hangzhou 310014, China
| | - Peng Hu
- Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Hong Ren
- Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Mingli Peng
- Key Laboratory of Molecular Biology for Infectious Diseases (Ministry of Education), Institute for Viral Hepatitis, Department of Infectious Diseases, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China.
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Thimmulappa RK, Mudnakudu-Nagaraju KK, Shivamallu C, Subramaniam K, Radhakrishnan A, Bhojraj S, Kuppusamy G. Antiviral and immunomodulatory activity of curcumin: A case for prophylactic therapy for COVID-19. Heliyon 2021; 7:e06350. [PMID: 33655086 PMCID: PMC7899028 DOI: 10.1016/j.heliyon.2021.e06350] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/02/2020] [Accepted: 02/19/2021] [Indexed: 12/15/2022] Open
Abstract
Coronavirus disease-19 (COVID-19), a devastating respiratory illness caused by SARS-associated coronavirus-2 (SARS-CoV-2), has already affected over 64 million people and caused 1.48 million deaths, just 12 months from the first diagnosis. COVID-19 patients develop serious complications, including severe pneumonia, acute respiratory distress syndrome (ARDS), and or multiorgan failure due to exaggerated host immune response following infection. Currently, drugs that were effective against SARS-CoV are being repurposed for SARS-CoV-2. During this public health emergency, food nutraceuticals could be promising prophylactic therapeutics for COVID-19. Curcumin, a bioactive compound in turmeric, exerts diverse pharmacological activities and is widely used in foods and traditional medicines. This review presents several lines of evidence, which suggest curcumin as a promising prophylactic, therapeutic candidate for COVID-19. First, curcumin exerts antiviral activity against many types of enveloped viruses, including SARS-CoV-2, by multiple mechanisms: direct interaction with viral membrane proteins; disruption of the viral envelope; inhibition of viral proteases; induce host antiviral responses. Second, curcumin protects from lethal pneumonia and ARDS via targeting NF-κB, inflammasome, IL-6 trans signal, and HMGB1 pathways. Third, curcumin is safe and well-tolerated in both healthy and diseased human subjects. In conclusion, accumulated evidence indicates that curcumin may be a potential prophylactic therapeutic for COVID-19 in the clinic and public health settings.
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Affiliation(s)
- Rajesh K. Thimmulappa
- Department of Biochemistry, JSS Medical College, JSS Academy of Higher Education & Research, Mysore, India
| | - Kiran Kumar Mudnakudu-Nagaraju
- Department of Biotechnology and Bioinformatics, Faculty of Life Sciences, JSS Academy of Higher Education & Research, Mysore, India
| | - Chandan Shivamallu
- Department of Biotechnology and Bioinformatics, Faculty of Life Sciences, JSS Academy of Higher Education & Research, Mysore, India
| | - K.J.Thirumalai Subramaniam
- Centre of Excellence in Nanoscience & Technology, Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
| | - Arun Radhakrishnan
- Centre of Excellence in Nanoscience & Technology, Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
| | | | - Gowthamarajan Kuppusamy
- Centre of Excellence in Nanoscience & Technology, Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
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Rahban M, Habibi-Rezaei M, Mazaheri M, Saso L, Moosavi-Movahedi AA. Anti-Viral Potential and Modulation of Nrf2 by Curcumin: Pharmacological Implications. Antioxidants (Basel) 2020; 9:E1228. [PMID: 33291560 PMCID: PMC7761780 DOI: 10.3390/antiox9121228] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 11/29/2020] [Accepted: 12/01/2020] [Indexed: 12/13/2022] Open
Abstract
Nuclear factor erythroid 2-related factor 2 (Nrf2) is an essential transcription factor that maintains the cell's redox balance state and reduces inflammation in different adverse stresses. Under the oxidative stress, Nrf2 is separated from Kelch-like ECH-associated protein 1 (Keap1), which is a key sensor of oxidative stress, translocated to the nucleus, interacts with the antioxidant response element (ARE) in the target gene, and then activates the transcriptional pathway to ameliorate the cellular redox condition. Curcumin is a yellow polyphenolic curcuminoid from Curcuma longa (turmeric) that has revealed a broad spectrum of bioactivities, including antioxidant, anti-inflammatory, anti-tumor, and anti-viral activities. Curcumin significantly increases the nuclear expression levels and promotes the biological effects of Nrf2 via the interaction with Cys151 in Keap1, which makes it a marvelous therapeutic candidate against a broad range of oxidative stress-related diseases, including type 2 diabetes (T2D), neurodegenerative diseases (NDs), cardiovascular diseases (CVDs), cancers, viral infections, and more recently SARS-CoV-2. Currently, the multifactorial property of the diseases and lack of adequate medical treatment, especially in viral diseases, result in developing new strategies to finding potential drugs. Curcumin potentially opens up new views as possible Nrf2 activator. However, its low bioavailability that is due to low solubility and low stability in the physiological conditions is a significant challenge in the field of its efficient and effective utilization in medicinal purposes. In this review, we summarized recent studies on the potential effect of curcumin to activate Nrf2 as the design of potential drugs for a viral infection like SARS-Cov2 and acute and chronic inflammation diseases in order to improve the cells' protection.
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Affiliation(s)
- Mahdie Rahban
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran;
| | - Mehran Habibi-Rezaei
- School of Biology, College of Science, University of Tehran, Tehran 1417614335, Iran
- Center of Excellence in NanoBiomedicine, University of Tehran, Tehran 1417614335, Iran
| | - Mansoureh Mazaheri
- Research Center of Food Technology and Agricultural Products, Department of Food Toxicology, Standard Research Institute, Karaj 3158777871, Iran;
| | - Luciano Saso
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, P. le Aldo Moro 5, 00185 Rome, Italy;
| | - Ali A. Moosavi-Movahedi
- Institute of Biochemistry and Biophysics, University of Tehran, Tehran 1417614335, Iran;
- UNESCO Chair on Interdisciplinary Research in Diabetes, University of Tehran, Tehran 1417614335, Iran
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Madhu P, Sivakumar P. Curcumin-based fluorescent chemosensor for selective and efficient detection of picric acid. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.02.112] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Curc-mPEG454, a PEGylated Curcumin Derivative, Improves Anti-inflammatory and Antioxidant Activities: a Comparative Study. Inflammation 2018; 41:579-594. [PMID: 29234949 DOI: 10.1007/s10753-017-0714-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We previously demonstrated that a PEGylated curcumin (Curc-mPEG454) significantly inhibited cyclooxygenase 2 (COX-2) expression and improved the progression of liver fibrosis. The current study systematically evaluates its anti-inflammatory and antioxidant activities in vitro in a comparative study with curcumin, aspirin, NS-398, and vitamin C. RAW264.7 murine macrophages were pretreated with Curc-mPEG454, curcumin, aspirin, NS-398, or vitamin C at the indicated concentration for 2 h; then, the cells were stimulated with 1 μg/mL lipopolysaccharide (LPS) for 24 h. The levels of pro-inflammatory cytokines and mediators, including IL-6, TNF-α, PGE2, NO, and GSH, and the activities of COX-2, SOD, and CAT, and the transcription factors involved in inflammation, such as NF-κB, c-Jun, and Nrf2, were measured. Curc-mPEG454 showed lower cytotoxicity (IC50 57.8 μM) when compared with that of curcumin (IC50 32.6 μM) and inhibited the release of the inflammatory cytokines IL-6, TNF-α, IL-1β, and MCP-1 in a concentration-dependent manner. At 16 μM, Curc-mPEG454 was most potent in the suppression of COX-2 expression at a transcriptional level rather than in the suppression of the catalytic activity of COX-2. Like curcumin, Curc-mPEG454 significantly reduced intracellular ROS production and enhanced the activities of SOD and CAT and the level of GSH to protect cells from LPS-induced oxidative injury. Further, its anti-inflammatory and antioxidation mechanisms are related to inhibition of NF-κB p65 nuclear translocation and c-Jun phosphorylation and to activation of Nrf2. Taken together, these findings indicate that PEGylation of curcumin not only improves its biological properties but also interferes with multiple targets involved in the inflammatory response. Curc-mPEG454 is a powerful and beneficial anti-inflammatory and antioxidant agent that merits further investigation. Graphical Abstract ᅟ.
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Vaidya FU, Sharma R, Shaikh S, Ray D, Aswal VK, Pathak C. Pluronic micelles encapsulated curcumin manifests apoptotic cell death and inhibits pro-inflammatory cytokines in human breast adenocarcinoma cells. Cancer Rep (Hoboken) 2018; 2:e1133. [PMID: 32721127 DOI: 10.1002/cnr2.1133] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 08/13/2018] [Accepted: 08/13/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Curcumin is a natural derivative, which exhibits broad spectrum biological activities including anti-oxidant, anti-inflammatory, and anti-cancer. Since ancient times, it has been used for the treatment of various diseases. Many reports highlighted its potential as a chemopreventive and chemotherapeutic agent. Despite its imperative properties, the pharmacological application had been limited due to low solubility in the aqueous medium, limited tissue absorption, and rapid degradation at physiological pH. AIMS Cytotoxicity of drugs and their undesirable side effects are major obstacles in the regimens of cancer therapy. Therefore, natural plant derivatives-based anti-cancer drug delivery systems are getting more attention as they are less toxic, safer, and effective. In the present study, Pluronic block copolymer encapsulated curcumin was developed as an improved curcumin delivery system with the aim to improve its efficacy and biological response against cancer cells. METHODS AND RESULTS Pluronic micelles encapsulated curcumin was synthesized, and its characterization was done by particle size analysis, Fourier transform infrared spectroscopy, small-angle neutron scattering analysis, PXRD, and differential scanning calorimetry. Further, its biological activities were corroborated in cancer cells. Results indicate that Pluronic micelles encapsulated curcumin exemplify solubility and stability of curcumin in the aqueous medium. Biophysical characterization indicated that Pluronic F127 forms nanoparticle, and its micellar core radius was increased after incorporation of curcumin. Furthermore, biological studies show that Pluronic micelles encapsulated curcumin inhibits cell proliferation, improves cellular uptake of curcumin, arrests the cell cycle in G0/G1 phase, and inhibits the activation of NF-kB and release of pro-inflammatory cytokines to manifest apoptotic cell death rather than necrotic. This formulation was non-toxic to normal cells. CONCLUSION This study suggests that Pluronic micelles encapsulated curcumin is stable that can effectively inhibit cell proliferation and release of pro-inflammatory cytokines in cancer cells as compared with the free curcumin. This approach could be applied to improve the therapeutic index of anti-cancer agents.
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Affiliation(s)
- Foram U Vaidya
- Department of Cell Biology, School of Biological Sciences and Biotechnology, Indian Institute of Advanced Research, Gandhinagar, Gujarat, India
| | - Rakesh Sharma
- Applied Chemistry Department, Faculty of Technology and Engineering, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat, India
| | - Sofiya Shaikh
- Applied Chemistry Department, Faculty of Technology and Engineering, The Maharaja Sayajirao University of Baroda, Vadodara, Gujarat, India
| | - Debes Ray
- Solid State Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, Maharastra, India
| | - Vinod K Aswal
- Solid State Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai, Maharastra, India
| | - Chandramani Pathak
- Department of Cell Biology, School of Biological Sciences and Biotechnology, Indian Institute of Advanced Research, Gandhinagar, Gujarat, India
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14
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Geng XT, Tang JJ, Cheng KP, Fu YT, Hu R, Lu JR. Synthesis and cytotoxicity evaluation of 3-amino-2-hydroxypropoxygenistein derivatives. Chin J Nat Med 2017; 15:871-880. [PMID: 29329615 DOI: 10.1016/s1875-5364(18)30022-0] [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: 11/27/2016] [Indexed: 10/18/2022]
Abstract
Soy isoflavones exhibit various biological activities, such as antioxidant, anti-tumor, anti-inflammatory, and cardiovascular protective effects. The present study was designed to investigate the effects of sixteen synthesized 3-amino-2-hydroxypropoxy genistein derivatives on cell proliferation and activation of Nrf2 (Nuclear factor erythroid 2-related factor 2)/ARE (antioxidant response elements) pathway in human cancer cell lines. Most of the tested compounds exerted greater cytotoxic activity than genistein, as measured by MTT assay. Moreover, compound 8c showed the highest ARE-luciferase reporter activity among the test compounds. It strongly promoted Nrf2 nuclear translocation and up-regulated the expression of total Nrf2 and downstream targets NQO-1 and HO-1 at protein level. The present study may provide a basis for the application of isoflavone derivatives as Nrf2/ARE pathway inducers for cancer therapy and cancer prevention.
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Affiliation(s)
- Xiao-Ting Geng
- Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Jing-Jing Tang
- State Key Laboratory of Natrual Medicines, Department of Physiology, China Pharmaceutical University, Nanjing 210009, China
| | - Kun-Peng Cheng
- Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Yuan-Tao Fu
- Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, China
| | - Rong Hu
- State Key Laboratory of Natrual Medicines, Department of Physiology, China Pharmaceutical University, Nanjing 210009, China.
| | - Jin-Rong Lu
- Department of Organic Chemistry, China Pharmaceutical University, Nanjing 210009, China.
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15
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Gonçalves C, Gomez JP, Même W, Rasolonjatovo B, Gosset D, Nedellec S, Hulin P, Huin C, Le Gall T, Montier T, Lehn P, Pichon C, Guégan P, Cheradame H, Midoux P. Curcumin/poly(2-methyl-2-oxazoline-b-tetrahydrofuran-b-2-methyl-2-oxazoline) formulation: An improved penetration and biological effect of curcumin in F508del-CFTR cell lines. Eur J Pharm Biopharm 2017; 117:168-181. [DOI: 10.1016/j.ejpb.2017.04.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 03/14/2017] [Accepted: 04/13/2017] [Indexed: 01/29/2023]
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16
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PEGylated Curcumin Derivative Attenuates Hepatic Steatosis via CREB/PPAR- γ/CD36 Pathway. BIOMED RESEARCH INTERNATIONAL 2017; 2017:8234507. [PMID: 28770225 PMCID: PMC5523402 DOI: 10.1155/2017/8234507] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 05/29/2017] [Accepted: 05/31/2017] [Indexed: 01/01/2023]
Abstract
Curcumin has the potential to cure dyslipidemia and nonalcoholic fatty liver disease (NAFLD). However, its therapeutic effects are curbed by poor bioavailability. Our previous work has shown that modification of curcumin with polyethylene glycol (PEG) improves blood concentration and tissue distribution. This study sought to investigate the role of a novel PEGylated curcumin derivative (Curc-mPEG454) in regulating hepatic lipid metabolism and to elucidate the underlying molecular mechanism in a high-fat-diet- (HFD-) fed C57BL/6J mouse model. Mice were fed either a control chow diet (D12450B), an HFD (D12492) as the NAFLD model, or an HFD with Curc-mPEG454 administered by intraperitoneal injection at 50 mg/kg or 100 mg/kg for 16 weeks. We found that Curc-mPEG454 significantly lowered the body weight and serum triglyceride (TG) levels and reduced liver lipid accumulation in HFD-induced NAFLD mice. It was also shown that Curc-mPEG454 suppressed the HFD-induced upregulated expression of CD36 and hepatic peroxisome proliferator activated receptor-γ (PPAR-γ), a positive regulator of CD36. Moreover, Curc-mPEG454 dramatically activated cAMP response element-binding (CREB) protein, which negatively controls hepatic PPAR-γ expression. These findings suggest that Curc-mPEG454 reverses HFD-induced hepatic steatosis via the activation of CREB inhibition of the hepatic PPAR-γ/CD36 pathway, which may be an effective therapeutic for high-fat-diet-induced NAFLD.
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17
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Alberti D, Protti N, Franck M, Stefania R, Bortolussi S, Altieri S, Deagostino A, Aime S, Geninatti Crich S. Theranostic Nanoparticles Loaded with Imaging Probes and Rubrocurcumin for Combined Cancer Therapy by Folate Receptor Targeting. ChemMedChem 2017; 12:502-509. [PMID: 28217982 DOI: 10.1002/cmdc.201700039] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 02/14/2017] [Indexed: 12/11/2022]
Abstract
The combination of different therapeutic modalities is a promising option to combat the recurrence of tumors. In this study, polylactic and polyglycolic acid nanoparticles were used for the simultaneous delivery of a boron-curcumin complex (RbCur) and an amphiphilic gadolinium complex into tumor cells with the aim of performing boron and gadolinium neutron capture therapy (NCT) in conjunction with the additional antiproliferative effects of curcumin. Furthermore, the use of Gd complexes allows magnetic resonance imaging (MRI) assessment of the amount of B and Gd internalized by tumor cells. Poly(lactic-co-glycolic acid) (PLGA) nanoparticles were targeted to ovarian cancer (IGROV-1) cells through folate receptors, by including in the formulation a PEGylated phospholipid functionalized with the folate moiety. NCT was performed on IGROV-1 cells internalizing 6.4 and 78.6 μg g-1 of 10 B and 157 Gd, respectively. The synergic action of neutron treatment and curcumin cytotoxicity was shown to result in a significant therapeutic improvement.
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Affiliation(s)
- Diego Alberti
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, 10126, Torino, Italy
| | - Nicoletta Protti
- Department of Physics, University of Pavia, via Bassi 6, 27100, Pavia, Italy.,Nuclear Physics National Institute (INFN), University of Pavia, via Bassi 6, 27100, Pavia, Italy
| | - Morgane Franck
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, 10126, Torino, Italy
| | - Rachele Stefania
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, 10126, Torino, Italy
| | - Silva Bortolussi
- Department of Physics, University of Pavia, via Bassi 6, 27100, Pavia, Italy.,Nuclear Physics National Institute (INFN), University of Pavia, via Bassi 6, 27100, Pavia, Italy
| | - Saverio Altieri
- Department of Physics, University of Pavia, via Bassi 6, 27100, Pavia, Italy.,Nuclear Physics National Institute (INFN), University of Pavia, via Bassi 6, 27100, Pavia, Italy
| | - Annamaria Deagostino
- Department of Chemistry, University of Torino, via P. Giuria 7, 10125, Torino, Italy
| | - Silvio Aime
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, 10126, Torino, Italy
| | - Simonetta Geninatti Crich
- Department of Molecular Biotechnology and Health Sciences, University of Torino, via Nizza 52, 10126, Torino, Italy
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18
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Tang JJ, Geng XT, Wang YJ, Zheng TY, Lu JR, Hu R. Synthesis and cytotoxicity evaluation of 3-amino-2-hydroxypropoxyisoflavone derivatives. Chin J Nat Med 2016; 14:462-72. [PMID: 27473965 DOI: 10.1016/s1875-5364(16)30044-9] [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: 06/12/2015] [Indexed: 12/01/2022]
Abstract
Soy isoflavones exert a wide variety of biological activities, such as antioxidant, anti-inflammatory and anti-cancer properties. Nuclear factor erythroid 2-related factor 2 (Nrf2), a bZip transcription factor, plays a key role in soy isoflavones induced protection against oxidative stress and cancer. To obtain more effective isofavones, a series of 7,4'-bis-(3-amino-2-hydroxypropoxy), 7 or 4'-(3-amino-2-hydroxypropoxy) isoflavone derivatives have been synthesized as potential antitumor agents and Nrf2/ARE (antioxidant response element) activators. The cytotoxicity of these compounds in human cancer cell lines MDA-MB-231, HT-29, HCT116, HepG2 and 7402 was tested by MTT assay. In this study, the cytotoxicity of compound 3b exhibited highest cytotoxic activity and at the safety dose range, it also strongly up-regulated antioxidant response element (ARE)-luciferase reporter activity. In addition, compound 3b induced Nrf2 nuclear translocation and upregulated its downstream target genes NQO-1 and HO-1 at protein level. Taken together, our results suggest that compound 3b could be a potential agent for cancer themotherapy or cancer chemoprevention.
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Affiliation(s)
- Jing-Jing Tang
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Jiangsu Nanjing, 210009, China
| | - Xiao-Ting Geng
- Department of Organic Chemistry, China Pharmaceutical University, Jiangsu Nanjing 210009, China
| | - Ya-Jing Wang
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Jiangsu Nanjing, 210009, China
| | - Tian-Yu Zheng
- Department of Organic Chemistry, China Pharmaceutical University, Jiangsu Nanjing 210009, China
| | - Jin-Rong Lu
- Department of Organic Chemistry, China Pharmaceutical University, Jiangsu Nanjing 210009, China.
| | - Rong Hu
- State Key Laboratory of Natural Medicines, Department of Physiology, China Pharmaceutical University, Jiangsu Nanjing, 210009, China.
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Zhu Y, Wang P, Zhao Y, Yang C, Clark A, Leung T, Chen X, Sang S. Synthesis, evaluation, and metabolism of novel [6]-shogaol derivatives as potent Nrf2 activators. Free Radic Biol Med 2016; 95:243-54. [PMID: 27021962 DOI: 10.1016/j.freeradbiomed.2016.03.026] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 03/04/2016] [Accepted: 03/24/2016] [Indexed: 10/22/2022]
Abstract
Oxidative stress is a central component of many chronic diseases. The Kelch-like ECH-associated protein 1 (Keap1)-nuclear factor erythroid 2 p45-related factor 2 (Nrf2) system is a major regulatory pathway of cytoprotective genes against oxidative and electrophilic stress. Activation of the Nrf2 pathway plays crucial roles in the chemopreventive effects of various inducers. In this study, we developed a novel class of potent Nrf2 activators derived from ginger compound, [6]-shogaol (6S), using the Tg[glutathione S-transferase pi 1 (gstp1):green fluorescent protein (GFP)] transgenic zebrafish model. Investigation of structure-activity relationships of 6S derivatives indicates that the combination of an α,β-unsaturated carbonyl entity and a catechol moiety in one compound enhances the Tg(gstp1:GFP) fluorescence signal in zebrafish embryos. Chemical reaction and in vivo metabolism studies of the four most potent 6S derivatives showed that both α,β-unsaturated carbonyl entity and catechol moiety act as major active groups for conjugation with the sulfhydryl groups of the cysteine residues. In addition, we further demonstrated that 6S derivatives increased the expression of Nrf2 downstream target, heme oxygenase-1, in both a dose- and time-dependent manner. These results suggest that α,β-unsaturated carbonyl entity and catechol moiety of 6S derivatives may react with the cysteine residues of Keap1, disrupting the Keap1-Nrf2 complex, thereby liberating and activating Nrf2. Our findings of natural product-derived Nrf2 activators lead to design options of potent Nrf2 activators for further optimization.
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Affiliation(s)
- Yingdong Zhu
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA
| | - Pei Wang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA
| | - Yantao Zhao
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA
| | - Chun Yang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA; Department of Colorectal Surgery, General Hospital of Ningxia Medical University, Yinchuan 750004, PR China
| | - Anderson Clark
- Nutrition Research Program, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA
| | - TinChung Leung
- Nutrition Research Program, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Central University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA
| | - Xiaoxin Chen
- Cancer Research Program, Julius L. Chambers Biomedical/Biotechnology Research Institute, North Carolina Center University, 700 George Street, Durham, NC 27707, USA
| | - Shengmin Sang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC 28081, USA.
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20
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Kumar G, Mittal S, Sak K, Tuli HS. Molecular mechanisms underlying chemopreventive potential of curcumin: Current challenges and future perspectives. Life Sci 2016; 148:313-28. [PMID: 26876915 DOI: 10.1016/j.lfs.2016.02.022] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 01/25/2016] [Accepted: 02/07/2016] [Indexed: 12/11/2022]
Abstract
In recent years, natural compounds have received considerable attention in preventing and curing most dreadful diseases including cancer. The reason behind the use of natural compounds in chemoprevention is associated with fewer numbers of side effects than conventional chemotherapeutics. Curcumin (diferuloylmethane, PubMed CID: 969516), a naturally occurring polyphenol, is derived from turmeric, which is used as a common Indian spice. It governs numerous intracellular targets, including proteins involved in antioxidant response, immune response, apoptosis, cell cycle regulation and tumor progression. A huge mass of available studies strongly supports the use of Curcumin as a chemopreventive drug. However, the main challenge encountered is the low bioavailability of Curcumin. This extensive review covers various therapeutic interactions of Curcumin with its recognized cellular targets involved in cancer treatment, strategies to overcome the bioavailability issue and adverse effects associated with Curcumin consumption.
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Affiliation(s)
- Gaurav Kumar
- Department of Biochemistry, Delhi University, South Campus, New Delhi, India
| | - Sonam Mittal
- School of Biotechnology, Jawaharlal Nehru University, New Delhi, India
| | - Katrin Sak
- Department of Hematology and Oncology, University of Tartu, Estonia
| | - Hardeep Singh Tuli
- Department of Biotechnology, Maharishi Markandeshwar University, Mulana-Ambala, India.
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21
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Kumar A, Khan A, Malhotra S, Mosurkal R, Dhawan A, Pandey MK, Singh BK, Kumar R, Prasad AK, Sharma SK, Samuelson LA, Cholli AL, Len C, Richards NGJ, Kumar J, Haag R, Watterson AC, Parmar VS. Synthesis of macromolecular systems via lipase catalyzed biocatalytic reactions: applications and future perspectives. Chem Soc Rev 2016; 45:6855-6887. [DOI: 10.1039/c6cs00147e] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
This review highlights the application of lipases in the synthesis of pharmaceutically important small molecules and polymers for diverse applications.
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22
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Kumar S, Kesharwani SS, Mathur H, Tyagi M, Bhat GJ, Tummala H. Molecular complexation of curcumin with pH sensitive cationic copolymer enhances the aqueous solubility, stability and bioavailability of curcumin. Eur J Pharm Sci 2015; 82:86-96. [PMID: 26588875 DOI: 10.1016/j.ejps.2015.11.010] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Revised: 11/10/2015] [Accepted: 11/11/2015] [Indexed: 11/25/2022]
Abstract
Curcumin is a natural dietary compound with demonstrated potential in preventing/treating several chronic diseases in animal models. However, this success is yet to be translated to humans mainly because of its poor oral bioavailability caused by extremely low water solubility. This manuscript demonstrates that water insoluble curcumin (~1μg/ml) forms highly aqueous soluble complexes (>2mg/ml) with a safe pH sensitive polymer, poly(butyl-methacrylate-co-(2-dimethylaminoethyl) methacrylate-co-methyl-methacrylate) when precipitated together in water. The complexation process was optimized to enhance curcumin loading by varying several formulation factors. Acetone as a solvent and polyvinyl alcohol as a stabilizer with 1:2 ratio of drug to polymer yielded complexes with relatively high loading (~280μg/ml) and enhanced solubility (>2mg/ml). The complexes were amorphous in solid and were soluble only in buffers with pHs less than 5.0. Hydrogen bond formation and hydrophobic interactions between curcumin and the polymer were recorded by infrared spectroscopy and nuclear magnetic resonance spectroscopy, respectively. Molecular complexes of curcumin were more stable at various pHs compared to unformulated curcumin. In mice, these complexes increased peak plasma concentration of curcumin by 6 times and oral bioavailability by ~20 times. This is a simple, economic and safer strategy of enhancing the oral bioavailability of curcumin.
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Affiliation(s)
- Sunny Kumar
- Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, SAV # 255, Box 2202C, Brookings, SD 57007, United States
| | - Siddharth S Kesharwani
- Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, SAV # 255, Box 2202C, Brookings, SD 57007, United States
| | - Himanshi Mathur
- Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, SAV # 255, Box 2202C, Brookings, SD 57007, United States
| | - Mohit Tyagi
- Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, SAV # 255, Box 2202C, Brookings, SD 57007, United States
| | - G Jayarama Bhat
- Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, SAV # 255, Box 2202C, Brookings, SD 57007, United States
| | - Hemachand Tummala
- Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, SAV # 255, Box 2202C, Brookings, SD 57007, United States.
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Bassanini I, Hult K, Riva S. Dicarboxylic esters: Useful tools for the biocatalyzed synthesis of hybrid compounds and polymers. Beilstein J Org Chem 2015; 11:1583-95. [PMID: 26664578 PMCID: PMC4660951 DOI: 10.3762/bjoc.11.174] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 08/21/2015] [Indexed: 12/23/2022] Open
Abstract
Dicarboxylic acids and their derivatives (esters and anhydrides) have been used as acylating agents in lipase-catalyzed reactions in organic solvents. The synthetic outcomes have been dimeric or hybrid derivatives of bioactive natural compounds as well as functionalized polyesters.
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Affiliation(s)
- Ivan Bassanini
- Istituto di Chimica del Riconoscimento Molecolare, CNR, via Mario Bianco 9, Milano, Italy
| | - Karl Hult
- Istituto di Chimica del Riconoscimento Molecolare, CNR, via Mario Bianco 9, Milano, Italy ; School of Biotechnology, Department of Industrial Biotechnology, Albanova KTH, Royal Institute of Technology, Stockholm, Sweden
| | - Sergio Riva
- Istituto di Chimica del Riconoscimento Molecolare, CNR, via Mario Bianco 9, Milano, Italy
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Bharitkar YP, Das M, Kumari N, Kumari MP, Hazra A, Bhayye SS, Natarajan R, Shah S, Chatterjee S, Mondal NB. Synthesis of Bis-pyrrolizidine-Fused Dispiro-oxindole Analogues of Curcumin via One-Pot Azomethine Ylide Cycloaddition: Experimental and Computational Approach toward Regio- and Diastereoselection. Org Lett 2015; 17:4440-3. [PMID: 26331906 DOI: 10.1021/acs.orglett.5b02085] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Curcumin has been transformed to racemic curcuminoids via an azomethine ylide cycloaddition reaction using isatin/acenaphthoquinone and proline as the reagents. The products were characterized by extensive 1D/2D NMR analysis and single-crystal X-ray crystallographic studies. The enantiomers of one racemic product were separated by HPLC on a Chiralcel OD-H column and were indeed confirmed by the CD spectra of the separated enantiomers.
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Affiliation(s)
- Yogesh P Bharitkar
- Department of Organic and Medicinal Chemistry, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
| | - Mohua Das
- National Institute of Pharmaceutical Education and Research, Indian Institute of Chemical Biology , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
| | - Neha Kumari
- National Institute of Pharmaceutical Education and Research, Indian Institute of Chemical Biology , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
| | - M Padma Kumari
- National Institute of Pharmaceutical Education and Research, Indian Institute of Chemical Biology , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
| | - Abhijit Hazra
- Department of Organic and Medicinal Chemistry, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
| | - Sagar S Bhayye
- Department of Chemical Technology, University of Calcutta , Kolkata, West Bengal 700 009, India
| | - Ramalingam Natarajan
- Department of Organic and Medicinal Chemistry, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
| | - Siddharth Shah
- National Institute of Pharmaceutical Education and Research, Indian Institute of Chemical Biology , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
| | - Sourav Chatterjee
- Department of Organic and Medicinal Chemistry, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
| | - Nirup B Mondal
- Department of Organic and Medicinal Chemistry, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research , 4, Raja S. C. Mullick Road, Jadavpur, Kolkata 700 032, India
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Ahmad MZ, Alkahtani SA, Akhter S, Ahmad FJ, Ahmad J, Akhtar MS, Mohsin N, Abdel-Wahab BA. Progress in nanotechnology-based drug carrier in designing of curcumin nanomedicines for cancer therapy: current state-of-the-art. J Drug Target 2015; 24:273-93. [DOI: 10.3109/1061186x.2015.1055570] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
| | - Saad Ahmed Alkahtani
- Department of Clinical Pharmacy, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia,
| | - Sohail Akhter
- Nanomedicine Research Lab, Faculty of Pharmacy, Jamia Hamdrad, New Delhi, India, and
| | - Farhan Jalees Ahmad
- Nanomedicine Research Lab, Faculty of Pharmacy, Jamia Hamdrad, New Delhi, India, and
| | - Javed Ahmad
- Nanomedicine Research Lab, Faculty of Pharmacy, Jamia Hamdrad, New Delhi, India, and
| | - Mohammad Shabib Akhtar
- Department of Clinical Pharmacy, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia,
| | - Nehal Mohsin
- Department of Clinical Pharmacy, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia,
| | - Basel A. Abdel-Wahab
- Deparment of Pharmacology, College of Pharmacy, Najran University, Najran, Kingdom of Saudi Arabia
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26
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Loftsson T. Excipient pharmacokinetics and profiling. Int J Pharm 2015; 480:48-54. [DOI: 10.1016/j.ijpharm.2015.01.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 01/12/2015] [Accepted: 01/13/2015] [Indexed: 01/01/2023]
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Pandey MK, Kumar A, Ravichandran S, Parmar VS, Watterson AC, Kumar J. Chemo-enzymatic Synthesis of Polydimethylsiloxane Curcumin Copolymer for Detection of Nitro-aromatics. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2014. [DOI: 10.1080/10601325.2014.893131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Khan A, Sharma SK, Kumar A, Watterson AC, Kumar J, Parmar VS. Novozym 435-catalyzed syntheses of polyesters and polyamides of medicinal and industrial relevance. CHEMSUSCHEM 2014; 7:379-390. [PMID: 24449474 DOI: 10.1002/cssc.201300343] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Indexed: 06/03/2023]
Abstract
The adverse impact of chemical and biochemical waste on the environment and human health poses a serious challenge in today's World. The best way to address these challenges is to reduce the waste by developing more efficient processes and technologies, based on the principles of "green chemistry". Some of these synthetic approaches involving the chemoenzymatic synthetic methodologies are discussed herein. These lead to the formation of unique nanomaterials with diverse applications, such as drugs/gene delivery systems, flame retardant materials, conducting polymers, controlled release systems, diagnostic agents, and polymeric electrolytes for nanocrystalline solar cells.
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Affiliation(s)
- Abdullah Khan
- Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi-110 007 (India)
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Prasad S, Tyagi AK, Aggarwal BB. Recent developments in delivery, bioavailability, absorption and metabolism of curcumin: the golden pigment from golden spice. Cancer Res Treat 2014; 46:2-18. [PMID: 24520218 PMCID: PMC3918523 DOI: 10.4143/crt.2014.46.1.2] [Citation(s) in RCA: 602] [Impact Index Per Article: 60.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2013] [Accepted: 12/31/2013] [Indexed: 12/12/2022] Open
Abstract
Curcumin (diferuloylmethane) is a yellow pigment present in the spice turmeric (Curcuma longa) that has been associated with antioxidant, anti-inflammatory, anticancer, antiviral, and antibacterial activities as indicated by over 6,000 citations. In addition, over one hundred clinical studies have been carried out with curcumin. One of the major problems with curcumin is perceived to be the bioavailability. How curcumin should be delivered in vivo, how bioavailable is it, how well curcumin is absorbed and how it is metabolized, is the focus of this review. Various formulations of curcumin that are currently available are also discussed.
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Affiliation(s)
- Sahdeo Prasad
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Amit K Tyagi
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Bharat B Aggarwal
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Chittigori J, Kumar A, Li L, Thota S, Kokil A, Samuelson LA, Sandman DJ, Kumar J. Synthesis of a self organizable curcumin derivative and investigation of its interaction with metals in 100% aqueous media. Tetrahedron 2014. [DOI: 10.1016/j.tet.2013.11.071] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Phytoagents for cancer management: regulation of nucleic acid oxidation, ROS, and related mechanisms. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2013; 2013:925804. [PMID: 24454991 PMCID: PMC3886269 DOI: 10.1155/2013/925804] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Revised: 09/27/2013] [Accepted: 10/05/2013] [Indexed: 12/28/2022]
Abstract
Accumulation of oxidized nucleic acids causes genomic instability leading to senescence, apoptosis, and tumorigenesis. Phytoagents are known to reduce the risk of cancer development; whether such effects are through regulating the extent of nucleic acid oxidation remains unclear. Here, we outlined the role of reactive oxygen species in nucleic acid oxidation as a driving force in cancer progression. The consequential relationship between genome instability and cancer progression highlights the importance of modulation of cellular redox level in cancer management. Current epidemiological and experimental evidence demonstrate the effects and modes of action of phytoagents in nucleic acid oxidation and provide rationales for the use of phytoagents as chemopreventive or therapeutic agents. Vitamins and various phytoagents antagonize carcinogen-triggered oxidative stress by scavenging free radicals and/or activating endogenous defence systems such as Nrf2-regulated antioxidant genes or pathways. Moreover, metal ion chelation by phytoagents helps to attenuate oxidative DNA damage caused by transition metal ions. Besides, the prooxidant effects of some phytoagents pose selective cytotoxicity on cancer cells and shed light on a new strategy of cancer therapy. The “double-edged sword” role of phytoagents as redox regulators in nucleic acid oxidation and their possible roles in cancer prevention or therapy are discussed in this review.
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Vyas A, Dandawate P, Padhye S, Ahmad A, Sarkar F. Perspectives on new synthetic curcumin analogs and their potential anticancer properties. Curr Pharm Des 2013. [PMID: 23116312 DOI: 10.2174/138161213805289309] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Curcumin is the active component of dried rhizome of Curcuma longa, a perennial herb belonging to ginger family, cultivated extensively in south and southeastern tropical Asia. It is widely consumed in the Indian subcontinent, south Asia and Japan in traditional food recipes. Extensive research over last few decades has shown that curcumin is a potent anti-inflammatory agent with powerful therapeutic potential against a variety of cancers. It suppresses proliferation and metastasis of human tumors through regulation of various transcription factors, growth factors, inflammatory cytokines, protein kinases and other enzymes. It induces apoptotic cell death and also inhibits proliferation of cancer cells by cell cycle arrest. Pharmacokinetic data has shown that curcumin undergoes rapid metabolism leading to glucuronidation and sulfation in the liver and excretion in the feces, which accounts for its poor systemic bioavailability. The compound has, therefore, been formulated and administered using different drug delivery systems such as liposomes, micelles, polysaccharides, phospholipid complexes and nanoparticles that can overcome the limitation of bioavailability to some extent. Attempts to avoid rapid metabolism of curcumin until now have been met with limited success. This has prompted researchers to look for new synthetic curcumin analogs in order to overcome the drawbacks of limited bioavailability and rapid metabolism, and gain efficacy with reduced toxicity. In this review we provide a summarized account of novel synthetic curcumin formulations and analogs, and the recent progress in the field of cancer prevention and treatment.
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Affiliation(s)
- Alok Vyas
- ISTRA, Department of Chemistry, Abeda Inamdar College, University of Pune, Pune 411001, India
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Vyas A, Dandawate P, Padhye S, Ahmad A, Sarkar F. Perspectives on new synthetic curcumin analogs and their potential anticancer properties. Curr Pharm Des 2013. [PMID: 23116312 DOI: 10.2174/1381612811319110007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Curcumin is the active component of dried rhizome of Curcuma longa, a perennial herb belonging to ginger family, cultivated extensively in south and southeastern tropical Asia. It is widely consumed in the Indian subcontinent, south Asia and Japan in traditional food recipes. Extensive research over last few decades has shown that curcumin is a potent anti-inflammatory agent with powerful therapeutic potential against a variety of cancers. It suppresses proliferation and metastasis of human tumors through regulation of various transcription factors, growth factors, inflammatory cytokines, protein kinases and other enzymes. It induces apoptotic cell death and also inhibits proliferation of cancer cells by cell cycle arrest. Pharmacokinetic data has shown that curcumin undergoes rapid metabolism leading to glucuronidation and sulfation in the liver and excretion in the feces, which accounts for its poor systemic bioavailability. The compound has, therefore, been formulated and administered using different drug delivery systems such as liposomes, micelles, polysaccharides, phospholipid complexes and nanoparticles that can overcome the limitation of bioavailability to some extent. Attempts to avoid rapid metabolism of curcumin until now have been met with limited success. This has prompted researchers to look for new synthetic curcumin analogs in order to overcome the drawbacks of limited bioavailability and rapid metabolism, and gain efficacy with reduced toxicity. In this review we provide a summarized account of novel synthetic curcumin formulations and analogs, and the recent progress in the field of cancer prevention and treatment.
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Affiliation(s)
- Alok Vyas
- ISTRA, Department of Chemistry, Abeda Inamdar College, University of Pune, Pune 411001, India
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Williamson TP, Amirahmadi S, Joshi G, Kaludov NK, Martinov MN, Johnson DA, Johnson JA. Discovery of potent, novel Nrf2 inducers via quantum modeling, virtual screening, and in vitro experimental validation. Chem Biol Drug Des 2012; 80:810-20. [PMID: 22925725 DOI: 10.1111/cbdd.12040] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Nuclear factor erythroid 2-related factor 2 (Nrf2) is the master transcription factor of the antioxidant response element pathway, coordinating the induction of detoxifying and antioxidant enzymes. Nrf2 is normally sequestered in the cytoplasm by Kelch-like ECH-associating protein 1 (Keap1). To identify novel small molecules that will disturb Nrf2-Keap1 binding and promote activation of the Nrf2- antioxidant response element pathway, we generated a quantum model based on the structures of known Nrf2- antioxidant response element activators. We used the quantum model to perform in silico screening on over 18 million commercially available chemicals to identify the structures predicted to activate the Nrf2- antioxidant response element pathway based on the quantum model. The top hits were tested in vitro, and half of the predicted hits activated the Nrf2-antioxidant response element pathway significantly in primary cell culture. In addition, we identified a new family of Nrf2-antioxidant response element-activating structures that all have comparable activity to tBHQ and protect against oxidative stress and dopaminergic toxins in vitro. The improved ability to identify potent activators of Nrf2 through the combination of in silico and in vitro screening described here improves the speed and cost associated with screening Nrf2-antioxidant response element -activating compounds for drug development.
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Affiliation(s)
- Tracy P Williamson
- Divison of Pharmaceutical Sciences, University of Wisconsin, Madison, WI, USA
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Mohanty C, Das M, Sahoo SK. Emerging role of nanocarriers to increase the solubility and bioavailability of curcumin. Expert Opin Drug Deliv 2012; 9:1347-64. [PMID: 22971222 DOI: 10.1517/17425247.2012.724676] [Citation(s) in RCA: 100] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Curcumin is a safe, affordable and natural bioactive molecule of turmeric (Curcuma longa). It has gained considerable attention in recent years for its multiple pharmacological activities. However, its optimum pharmaceutical potential has been limited by its lack of aqueous solubility and poor bioavailability. To mitigate the above limitations, recently various nanostructured water-soluble delivery systems were developed to increase the solubility and bioavailability of curcumin. AREAS COVERED Major reasons contributing to the low bioavailability of curcumin appear to be owing to its poor solubility, low absorption, rapid metabolism and rapid systemic elimination. The present review summarizes the strategies using curcumin in various nanocarrier delivery systems to overcome poor solubility and inconsistent bioavailability of curcumin and describes the current status and challenges for the future. EXPERT OPINION The development of various drug delivery systems to deliver curcumin will certainly provide a step up towards augmenting the therapeutic activity of curcumin thereby increasing the solubility and bioavailability of curcumin. However, the future of such delivery technology will be highly dependent on the development of safe, non-toxic and non-immunogenic nanocarriers.
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Affiliation(s)
- Chandana Mohanty
- Institute of Life Sciences, Laboratory for Nanomedicine, Nalco Square, Bhubaneswar, Orissa, 751023, India
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Experimental therapeutics of Nrf2 as a target for prevention of bacterial exacerbations in COPD. Ann Am Thorac Soc 2012; 9:47-51. [PMID: 22550241 DOI: 10.1513/pats.201201-009ms] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
A growing body of evidence indicates that oxidative stress plays a central role in the progression of chronic obstructive pulmonary disease (COPD). Chronic oxidative stress caused by cigarette smoke generates damage-associated molecular patterns (DAMPs), such as oxidatively or nitrosatively modified proteins and extracellular matrix fragments, which induce abnormal airway inflammation by activating innate and adaptive immune responses. Furthermore, oxidative stress-induced histone deacetylase 2 (HDAC2) inactivity is implicated in amplifying inflammatory responses and corticosteroid resistance in COPD. Oxidative stress also mediates disruption of innate immune defenses, which is associated with acute exacerbation of COPD. Host defense transcription factor Nuclear factor erythroid 2-related factor 2 (Nrf2) regulates a multifaceted cytoprotective response to counteract oxidative stress-induced pathological injuries. A decrease in Nrf2 signaling is associated with the progression of diseases. Recent evidence indicates that targeting Nrf2 can be a novel therapy to mitigate inflammation, improve innate antibacterial defenses, and restore corticosteroid responses in patients with COPD.
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Gupta S, Tyagi R, Parmar VS, Sharma SK, Haag R. Polyether based amphiphiles for delivery of active components. POLYMER 2012. [DOI: 10.1016/j.polymer.2012.04.047] [Citation(s) in RCA: 94] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Curcumin nanoformulations: a future nanomedicine for cancer. Drug Discov Today 2011; 17:71-80. [PMID: 21959306 DOI: 10.1016/j.drudis.2011.09.009] [Citation(s) in RCA: 454] [Impact Index Per Article: 34.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2011] [Revised: 08/02/2011] [Accepted: 09/13/2011] [Indexed: 12/31/2022]
Abstract
Curcumin, a natural diphenolic compound derived from turmeric Curcuma longa, has proven to be a modulator of intracellular signaling pathways that control cancer cell growth, inflammation, invasion and apoptosis, revealing its anticancer potential. In this review, we focus on the design and development of nanoparticles, self-assemblies, nanogels, liposomes and complex fabrication for sustained and efficient curcumin delivery. We also discuss the anticancer applications and clinical benefits of nanocurcumin formulations. Only a few novel multifunctional and composite nanosystem strategies offer simultaneous therapy as well as imaging characteristics. We also summarize the challenges to developing curcumin delivery platforms and up-to-date solutions for improving curcumin bioavailability and anticancer potential for therapy.
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Design and synthesis of perfluorinated amphiphilic copolymers: Smart nanomicelles for theranostic applications. POLYMER 2011. [DOI: 10.1016/j.polymer.2011.08.017] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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