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Zhong G, Wang X, Li J, Xie Z, Wu Q, Chen J, Wang Y, Chen Z, Cao X, Li T, Liu J, Wang Q. Insights Into the Role of Copper in Neurodegenerative Diseases and the Therapeutic Potential of Natural Compounds. Curr Neuropharmacol 2024; 22:1650-1671. [PMID: 38037913 DOI: 10.2174/1570159x22666231103085859] [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: 02/07/2023] [Revised: 05/23/2023] [Accepted: 06/05/2023] [Indexed: 12/02/2023] Open
Abstract
Neurodegenerative diseases encompass a collection of neurological disorders originating from the progressive degeneration of neurons, resulting in the dysfunction of neurons. Unfortunately, effective therapeutic interventions for these diseases are presently lacking. Copper (Cu), a crucial trace element within the human body, assumes a pivotal role in various biological metabolic processes, including energy metabolism, antioxidant defense, and neurotransmission. These processes are vital for the sustenance, growth, and development of organisms. Mounting evidence suggests that disrupted copper homeostasis contributes to numerous age-related neurodegenerative diseases, such as Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), amyotrophic lateral sclerosis (ALS), Wilson's disease (WD), Menkes disease (MD), prion diseases, and multiple sclerosis (MS). This comprehensive review investigates the connection between the imbalance of copper homeostasis and neurodegenerative diseases, summarizing pertinent drugs and therapies that ameliorate neuropathological changes, motor deficits, and cognitive impairments in these conditions through the modulation of copper metabolism. These interventions include Metal-Protein Attenuating Compounds (MPACs), copper chelators, copper supplements, and zinc salts. Moreover, this review highlights the potential of active compounds derived from natural plant medicines to enhance neurodegenerative disease outcomes by regulating copper homeostasis. Among these compounds, polyphenols are particularly abundant. Consequently, this review holds significant implications for the future development of innovative drugs targeting the treatment of neurodegenerative diseases.
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Affiliation(s)
- Guangcheng Zhong
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xinyue Wang
- The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Jiaqi Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhouyuan Xie
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qiqing Wu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jiaxin Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yiyun Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Ziying Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xinyue Cao
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tianyao Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jinman Liu
- Affiliated Jiangmen TCM Hospital of Ji'nan University, Jiangmen, China
| | - Qi Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China
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2
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Bahrami A, Jafari-Nozad AM, Karbasi S, Ayadilord M, Ferns GA. Efficacy of Curcumin on Cognitive Function Scores in Women with Premenstrual Syndrome and Dysmenorrhea: A Triple-Blind, Placebo-Controlled Clinical Trial. Chin J Integr Med 2023; 29:387-393. [PMID: 37119345 DOI: 10.1007/s11655-023-3732-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2021] [Indexed: 05/01/2023]
Abstract
OBJECTIVE To assess the efficacy of a curcumin supplementation on cognitive abilities in women suffering from premenstrual syndrome (PMS) and dysmenorrhea. METHODS A randomized, triple-blind, placebo-controlled trial was conducted from December 2019 to March 2020. A total of 124 women who had both PMS and dysmenorrhea were enrolled, and were equally and randomly assigned to the curcumin group or placebo group, 62 cases in each. Each subject received either a capsule containing 500 mg of curcuminoid, or a placebo daily, for 10 days (7 days before and until 3 days after the onset of menstrual bleeding) over 3 menstrual cycles. The cognitive abilities questionnaire was used to measures cognitive functions in 7 specific areas. Adverse reactions were monitored during and after the trial in both groups. RESULTS Administration of curcumin was associated with a significant increase in memory score (P=0.002), inhibitory control and selective attention (P=0.020), and total cognitive ability task (P=0.024). In addition, significant increments were found in scores of memory (3.5±3.1 vs. 0.4±3.8 in the curcumin and placebo groups, respectively; P=0.035), inhibitory control and selective attention (3.0±3.7 vs. 0.4±3.7; P=0.027) and total cognitive abilities (8.3±12.3 vs. 2.2±12.4; P=0.025) in the curcumin group versus placebo groups. Curcumin was safe and well-tolerable in current clinical trial. CONCLUSION Curcumin has a beneficial efficacy on cognitive function scores in women with PMS and dysmenorrhea, with improvements in memory, inhibitory control and selective attention. (Registration No. IRCT20191112045424N1, available at: https://www.irct.ir ).
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Affiliation(s)
- Afsane Bahrami
- Clinical Research Development Unit of Akbar Hospital, Mashhad University of Medical Sciences, Mashhad, Iran.
| | | | - Samira Karbasi
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Malaksima Ayadilord
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Gordon A Ferns
- Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex, BN1 9PH, UK
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3
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Maghool F, Emami MH, Alipour R, Mohammadzadeh S, Sereshki N, Dehkordi SAE, Fahim A, Tayarani-Najaran Z, Sheikh A, Kesharwani P, Sahebkar A. Rescue effect of curcumin against copper toxicity. J Trace Elem Med Biol 2023; 78:127153. [PMID: 36989586 DOI: 10.1016/j.jtemb.2023.127153] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 02/15/2023] [Accepted: 03/12/2023] [Indexed: 03/16/2023]
Abstract
Turmeric has long been used not only as an indispensable part of Asian cuisine but as a medicinal herb for dressing wounds, bites, burns, treating eye infections and acne. Curcuminoids are the active substances and their synthetic derivatives (i.e. diacetylcurcumin (DAC) and metal-curcumin complexes) possess an incredibly wide range of medicinal properties that encompass chelation capacity for multiple heavy metals, antioxidant activity, anti-inflammatory properties, cytotoxicity against cancerous cells, antiviral and antibacterial effects, antihypertensive and insulin sensitizing role, and regulatory role on apoptosis. The aforementioned properties have put curcumin on spotlight as a potential treatment for ailments such as, hepatic diseases, neurodegenerative diseases, metabolic syndrome, dyslipidemia, cardiovascular disease, auto-immune diseases, malignancies and conditions associated with metal overload. Copper is essential for major biological functions, however, an excess causes chronic ailments including neurodegenerative disorders. The fascinating approach of curcumin could alleviate such effect by forming a complex. Thus, this review aims to present available data on the effect of copper-curcumin interaction in various in vitro, ex-vivo in vivo, and clinical studies.
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Affiliation(s)
- Fatemeh Maghool
- Poursina Hakim Digestive Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Hassan Emami
- Poursina Hakim Digestive Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Razieh Alipour
- Immunology Department, Medical School, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Samane Mohammadzadeh
- Poursina Hakim Digestive Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nasrin Sereshki
- Poursina Hakim Digestive Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Alireza Fahim
- Poursina Hakim Digestive Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zahra Tayarani-Najaran
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Afsana Sheikh
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Prashant Kesharwani
- Department of Pharmaceutics, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India; Center for Transdisciplinary Research, Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Science, Chennai 602105, India; University Institute of Pharma Sciences, Chandigarh University, Mohali, Punjab, India.
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; School of Medicine, The University of Western Australia, Perth, Australia; Department of Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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4
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Han J, Wang J, Shi H, Li Q, Zhang S, Wu H, Li W, Gan L, Brown-Borg HM, Feng W, Chen Y, Zhao RC. Ultra-small polydopamine nanomedicine-enabled antioxidation against senescence. Mater Today Bio 2023; 19:100544. [PMID: 36747580 PMCID: PMC9898451 DOI: 10.1016/j.mtbio.2023.100544] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/31/2022] [Accepted: 01/05/2023] [Indexed: 01/22/2023] Open
Abstract
Senescence is a cellular response characterized by cells irreversibly stopping dividing and entering a state of permanent growth arrest. One of the underlying pathophysiological causes of senescence is the oxidative stress-induced damage, indicating that eliminating the reactive oxygen and nitrogen species (RONS) may be beneficial to prevent and/or alleviate senescence. Herein, we developed ultra-small polydopamine nanoparticles (UPDA NPs) with superoxide dismutase (SOD)/catalase (CAT) enzyme-mimic activities, featuring broad-spectrum RONS-scavenging capability for inducing cytoprotective effects against RONS-mediated damage. The engineered UPDA NPs can restore senescence-related renal function, tissue homeostasis, fur density, and motor ability in mice, potentially associated with the regulation of multiple genes involved in lipid metabolism, mitochondrial function, energy homeostasis, telomerase activity, neuroprotection, and inflammatory responses. Importantly, the dietary UPDA NPs can enhance the antioxidant capacity, improve the climbing ability, and prolong the lifespan of Drosophila. Notably, UPDA NPs possess excellent biocompatibility stemming from the ultra-small size, ensuring quick clearance out of the body. These findings reveal that UPDA NPs can delay aging through reducing oxidative stress and provide a paradigm and practical strategy for treating senescence and senescence-related diseases.
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Affiliation(s)
- Jiamei Han
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Jiao Wang
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Hongwei Shi
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Qian Li
- Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Center of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), Beijing, China,Cell Energy Life Sciences Group Co. LTD, Qingdao, Shandong, China
| | - Shibo Zhang
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Hao Wu
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Wenjun Li
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Linhua Gan
- Department of Neurology and National Research Center for Aging and Medicine & National Center for Neurological Disorders, State Key Laboratory of Medical Neurobiology, Huashan Hospital, Fudan University, Shanghai, China
| | - Holly M. Brown-Borg
- Department of Biomedical Sciences, School of Medicine & Health Sciences, University of North Dakota, Grand Forks, ND, USA,Corresponding author.
| | - Wei Feng
- School of Life Sciences, Shanghai University, Shanghai, China,Corresponding authors.
| | - Yu Chen
- School of Life Sciences, Shanghai University, Shanghai, China,Corresponding author.
| | - Robert Chunhua Zhao
- School of Life Sciences, Shanghai University, Shanghai, China,Institute of Basic Medical Sciences Chinese Academy of Medical Sciences, School of Basic Medicine Peking Union Medical College, Center of Excellence in Tissue Engineering, Chinese Academy of Medical Sciences, Beijing Key Laboratory of New Drug Development and Clinical Trial of Stem Cell Therapy (BZ0381), Beijing, China,Corresponding authors. School of Life Sciences, Shanghai University, Shanghai, China.
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5
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Alinaghipour A, Salami M, Nabavizadeh F. Nanocurcumin substantially alleviates noise stress-induced anxiety-like behavior: the roles of tight junctions and NMDA receptors in the hippocampus. Behav Brain Res 2022; 432:113975. [PMID: 35750244 DOI: 10.1016/j.bbr.2022.113975] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 05/30/2022] [Accepted: 06/18/2022] [Indexed: 12/01/2022]
Abstract
Environmental noise stress affects non-auditory brain regions such as the hippocampus; an area of the brain implicated in cognition and emotion. Recent experimental data indicate that dysfunction of the blood-brain barrier (BBB) and overexpression of NMDA receptors may cause anxiety. In this experiment, we evaluated the effect of nanocurcumin on anxiety-like behavior and the expression of tight junctions and NMDA receptor subunits in the hippocampus of rats exposed to traffic noise. Forty rats were assigned to control (CON), stress (ST), nanocurcumin (NC), and nanocurcumin+stress (NC+ST) groups. Anxiety-like behavior was evaluated through an elevated zero maze apparatus. The gene expression of tight junctions and NMDA receptor subunits was examined by real-time PCR in the hippocampus. Statistical analysis showed that noise exposure developed anxiety-like behavior and elevated the corticosterone level in the ST group compared to the CON group. The nanocurcumin administration decreased the stress and anxiety in the NC+ST group compared to the ST animals. While the noise stress reduced the gene expression of tight junctions occludin, claudin-5, and ZO-1, the nanocurcumin administration increased them in the NC+ST animals. Furthermore, the noise stress elevated the gene expression of the NMDA receptor subunits GRIN1 and GRIN2B. The NC+ST animals showed a modification of these subunits compared to the ST animals. Our findings showed that noise exposure promotes stress and anxiety and impairs the NMDA receptor structure and BBB integrity. The nanocurcumin treatment displayed partly restored the destructive effects of noise exposure.
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Affiliation(s)
- Azam Alinaghipour
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, I. R. Iran; Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, I. R. Iran
| | - Mahmoud Salami
- Physiology Research Center, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, I. R. Iran
| | - Fatemeh Nabavizadeh
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, I. R. Iran; Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, I. R. Iran.
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6
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Ye S, Li S, Ma Y, Hu D, Xiao F. Curcumin hinders PBDE-47-induced neutrophil extracellular traps release via Nrf2-associated ROS inhibition. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 225:112779. [PMID: 34530259 DOI: 10.1016/j.ecoenv.2021.112779] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/24/2021] [Accepted: 09/11/2021] [Indexed: 06/13/2023]
Abstract
Polybrominated diphenyl ethers (PBDE-47), a kind of lipophilic persistent organic pollutants (POPs) brominated flame retardant, has been widely used in various consumer products. However, the toxicity of PBDE-47 on human immune system has not been well elucidated. Neutrophil extracellular traps (NETs) contribute to the innate immune responses, and the release of NETs is recognized as the most important part of the extracellular killing mechanism. The aim of this study was to investigate the effect of PBDE-47 on NETs and its possible molecular mechanism, as well as the intervention effect of curcumin (Cur). In this study, the formation of PBDE-47-induced NETs was observed by fluorescence microscopy and scanning electron microscopy, and was also quantitatively detected by DNA dye SYTOX green. In addition, we used Cur and Nrf2 inhibitor ML385 to explore the role of reactive oxygen species (ROS), extracellular signal regulated kinase (ERK) and p38 signaling pathway in PBDE-47-induced reticular formation. We demonstrated that PBDE-47 could significantly induce the formation of NETs, and its molecular mechanism might be related to ROS burst. Cur reduced ROS and inhibited PBDE-47-induced NETs formation by interfering with Nrf2. In conclusion, this study revealed that Cur hindered PBDE-47-induced NETs via Nrf2-associated ROS inhibition, which enriched the cytotoxicity mechanism of PBDE-47, and provided a new clue for the development of Cur as an antagonist of PBDE-47-related immune injury.
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Affiliation(s)
- Shuzi Ye
- Xiangya School of Public Health, Central South University, Changsha 410078, PR China.
| | - Siwen Li
- Xiangya School of Public Health, Central South University, Changsha 410078, PR China.
| | - Yu Ma
- Xiangya School of Public Health, Central South University, Changsha 410078, PR China.
| | - Die Hu
- Xiangya School of Public Health, Central South University, Changsha 410078, PR China
| | - Fang Xiao
- Xiangya School of Public Health, Central South University, Changsha 410078, PR China.
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7
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Rutz J, Janicova A, Woidacki K, Chun FKH, Blaheta RA, Relja B. Curcumin-A Viable Agent for Better Bladder Cancer Treatment. Int J Mol Sci 2020; 21:ijms21113761. [PMID: 32466578 PMCID: PMC7312715 DOI: 10.3390/ijms21113761] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/12/2020] [Accepted: 05/22/2020] [Indexed: 02/07/2023] Open
Abstract
Although the therapeutic armamentarium for bladder cancer has considerably widened in the last few years, severe side effects and the development of resistance hamper long-term treatment success. Thus, patients turn to natural plant products as alternative or complementary therapeutic options. One of these is curcumin, the principal component of Curcuma longa that has shown chemopreventive effects in experimental cancer models. Clinical and preclinical studies point to its role as a chemosensitizer, and it has been shown to protect organs from toxicity induced by chemotherapy. These properties indicate that curcumin could hold promise as a candidate for additive cancer treatment. This review evaluates the relevance of curcumin as an integral part of therapy for bladder cancer.
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Affiliation(s)
- Jochen Rutz
- Department of Urology, Goethe-University, 60438 Frankfurt am Main, Germany; (J.R.); (F.K.-H.C.)
| | - Andrea Janicova
- Department of Radiology and Nuclear Medicine, Experimental Radiology, Otto-von-Guericke University, 39106 Magdeburg, Germany; (A.J.); (K.W.); (B.R.)
| | - Katja Woidacki
- Department of Radiology and Nuclear Medicine, Experimental Radiology, Otto-von-Guericke University, 39106 Magdeburg, Germany; (A.J.); (K.W.); (B.R.)
| | - Felix K.-H. Chun
- Department of Urology, Goethe-University, 60438 Frankfurt am Main, Germany; (J.R.); (F.K.-H.C.)
| | - Roman A. Blaheta
- Department of Urology, Goethe-University, 60438 Frankfurt am Main, Germany; (J.R.); (F.K.-H.C.)
- Correspondence:
| | - Borna Relja
- Department of Radiology and Nuclear Medicine, Experimental Radiology, Otto-von-Guericke University, 39106 Magdeburg, Germany; (A.J.); (K.W.); (B.R.)
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8
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Concetta Scuto M, Mancuso C, Tomasello B, Laura Ontario M, Cavallaro A, Frasca F, Maiolino L, Trovato Salinaro A, Calabrese EJ, Calabrese V. Curcumin, Hormesis and the Nervous System. Nutrients 2019; 11:E2417. [PMID: 31658697 PMCID: PMC6835324 DOI: 10.3390/nu11102417] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/01/2019] [Accepted: 10/01/2019] [Indexed: 12/31/2022] Open
Abstract
Curcumin is a polyphenol compound extracted from the rhizome of Curcuma longa Linn (family Zingiberaceae) commonly used as a spice to color and flavor food. Several preclinical studies have suggested beneficial roles for curcumin as an adjuvant therapy in free radical-based diseases, mainly neurodegenerative disorders. Indeed, curcumin belongs to the family of hormetins and the enhancement of the cell stress response, mainly the heme oxygenase-1 system, is actually considered the common denominator for this dual response. However, evidence-based medicine has clearly demonstrated the lack of any therapeutic effect of curcumin to contrast the onset or progression of neurodegeneration and related diseases. Finally, the curcumin safety profile imposes a careful analysis of the risk/benefit balance prior to proposing chronic supplementation with curcumin.
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Affiliation(s)
- Maria Concetta Scuto
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy.
| | - Cesare Mancuso
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy.
- Institute of Pharmacology, Catholic University of Sacred Heart, 00168 Roma, Italy.
| | - Barbara Tomasello
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy.
| | - Maria Laura Ontario
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy.
| | - Andrea Cavallaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy.
| | - Francesco Frasca
- Department of Clinical and experimental Medicine, Division of Endocrinology, University of Catania, 95125 Catania, Italy.
| | - Luigi Maiolino
- Department of Medical and Surgery Sciences, University of Catania, 95125 Catania, Italy.
| | - Angela Trovato Salinaro
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy.
| | - Edward J Calabrese
- Department of Environmental Health Sciences, School of Public Health and Health Science, University of Massachusetts, Amherst, MA 01003, USA.
| | - Vittorio Calabrese
- Department of Biomedical and Biotechnological Sciences, University of Catania, Torre Biologica, Via Santa Sofia, 97-95125 Catania, Italy.
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Luo T, Bu L, Peng S, Zhang Y, Zhou Z, Li G, Huang J. One-step microwave-assisted preparation of oxygen-rich multifunctional carbon quantum dots and their application for Cu 2+-curcumin detection. Talanta 2019; 205:120117. [PMID: 31450427 DOI: 10.1016/j.talanta.2019.120117] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 06/28/2019] [Accepted: 07/03/2019] [Indexed: 12/27/2022]
Abstract
Carbon quantum dots (CQDs), owing to its unique optical properties, have achieved tremendous progress for the detection of different metal ions, organic small molecules, macromolecules, etc. Here we synthesized fluorescent CQDs by a simple one-step microwave-assisted method using 3,4-Dihydroxy-l-phenylalanine (levodopa) as the carbon resource. The CQDs proved to be a multifunctional probe which can be used for detection of various species including copper ion, biothiols and curcumin, via different mechanisms. The selective detection of copper ion was obtained by fluorescence quenching and the mechanism was proved to be static quenching by electrostatic interaction. The fluorescence of levoCQDs-Cu2+ system can be recovered by biothiols (GSH, Cys and Hcy), implying levoCQDs-Cu2+ system can also be applied for biothiols detection. The excitation spectrum of levoCQDs had a good overlap with the absorption peak of curcumin, making it as a suitable curcumin probe by fluorescence quenching via inner filter effect (IFE). Furthermore, the levoCQDs can also track the formation of Cu2+-Curcumin complexes by restoring the fluorescence of the CQDs in levoCQDs and Cu2+-Curcumin system, and this feature may be exploited in the mechanism study of Cu2+-Curcumin in the treatment of Alzheimer's disease. The fluorescent levoCQDs were finally used for Cu2+ and curcumin detection in some real samples including different types of environmental water samples and human serum samples, providing a convenient strategy to monitor Cu2+and curcumin in environmental and biological samples.
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Affiliation(s)
- Tao Luo
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, PR China
| | - Lingli Bu
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, PR China
| | - Siyu Peng
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, PR China
| | - Yaya Zhang
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, PR China
| | - Zhi Zhou
- Hunan Optical Agriculture Engineering Technology Research Center, Hunan Agricultural University, Changsha, Hunan Province 410128, PR China
| | - Guorui Li
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, PR China.
| | - Jing Huang
- Institute of Chemical Biology and Nanomedicine (ICBN), State Key Laboratory for Chemo/Bio-Sensing and Chemometrics, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, College of Biology, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, PR China.
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10
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Calabrese EJ, Dhawan G, Kapoor R, Mattson MP, Rattan SIS. Curcumin and hormesis with particular emphasis on neural cells. Food Chem Toxicol 2019; 129:399-404. [DOI: 10.1016/j.fct.2019.04.053] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/26/2019] [Accepted: 04/27/2019] [Indexed: 12/19/2022]
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11
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Mirhafez SR, Farimani AR, Gholami A, Hooshmand E, Tavallaie S, Nobakht M Gh BF. The effect of curcumin with piperine supplementation on pro-oxidant and antioxidant balance in patients with non-alcoholic fatty liver disease: a randomized, double-blind, placebo-controlled trial. Drug Metab Pers Ther 2019; 34:/j/dmdi.ahead-of-print/dmpt-2018-0040/dmpt-2018-0040.xml. [PMID: 31145689 DOI: 10.1515/dmpt-2018-0040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Accepted: 02/28/2019] [Indexed: 11/15/2022]
Abstract
Background The main causes of the progression of non-alcoholic fatty liver disease (NAFLD) are enhanced levels of reactive oxygen species and lipid peroxidation products. Therefore, the usage of antioxidant agents for the prevention and remedy of this disorder was recommended. Curcumin is proposed to treat NAFLD due to its high antioxidative activity. The aim of this study was to examine the effect of curcumin with piperine supplementation on oxidative stress in subjects with NAFLD. Methods In this double-blind, placebo-controlled trial, 55 subjects were randomly divided into two groups (curcumin with piperine and placebo). The participants received administrations of curcumin (500 mg) in combination with piperine (5 mg) and placebo daily for 8 weeks. Oxidative stress was assessed by measuring serum pro-oxidant and antioxidant balance (PAB) assay before and after the intervention. Results The serum PAB values did not significantly change between the treatment group vs. age and gender-matched placebo group after 8 weeks of supplementation. Also, curcumin in combination with piperine did not show a significant decrease (p = 0.06) in PAB levels compared to baseline. Conclusions The present study demonstrated that a dose of curcumin, co-supplied with piperine might be less than a dose in which curcumin can significantly decrease PAB values in these patients.
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Affiliation(s)
- Seyed Reza Mirhafez
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.,Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Azam Rezaei Farimani
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.,Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Ali Gholami
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.,Department of Epidemiology and Biostatistics, School of Public Health, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Elham Hooshmand
- Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Shima Tavallaie
- Department of Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - B Fatemeh Nobakht M Gh
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.,Department of Basic Medical Sciences, Neyshabur University of Medical Sciences, Neyshabur, Iran
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12
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Abrahams S, Haylett WL, Johnson G, Carr JA, Bardien S. Antioxidant effects of curcumin in models of neurodegeneration, aging, oxidative and nitrosative stress: A review. Neuroscience 2019; 406:1-21. [DOI: 10.1016/j.neuroscience.2019.02.020] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 02/12/2019] [Accepted: 02/13/2019] [Indexed: 12/12/2022]
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13
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Ilkar Erdagi S, Uyanik C. Biological evaluation of bioavailable amphiphilic polymeric conjugate based-on natural products: diosgenin and curcumin. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2018.1539989] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
| | - Cavit Uyanik
- Department of Chemistry, Kocaeli University, Kocaeli, Turkey
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14
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Tumor microenvironment-manipulated radiocatalytic sensitizer based on bismuth heteropolytungstate for radiotherapy enhancement. Biomaterials 2019; 189:11-22. [DOI: 10.1016/j.biomaterials.2018.10.016] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 10/11/2018] [Accepted: 10/14/2018] [Indexed: 02/07/2023]
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15
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Saleh HA, S. Abd El-Aziz G, N. Mustafa H, El-Fark M, Mansour Tashkandi J, Hassan Alzahrani A, Mal A, AboRass M, Halim Deifalla A. Beneficial Effects of Curcumin in Maternal and Fetal Oxidative Stress and Brain Damage Induced by Gestational Lead Administration. ACTA ACUST UNITED AC 2018. [DOI: 10.13005/bpj/1444] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This study was planned to explore the protective role of curcumin (Cur) against maternal and fetal oxidative stress and cerebral damage induced by lead (Pb) during pregnancy. Positively pregnant female rats were divided into seven groups: control group, Cur group (300 mg/kg of Cur/b.wt.), DMSO group (50% DMSO), two Pb-treated groups (exposed to 160 and 320 mg/kg b.wt./day of Pb acetate, respectively), and two groups treated with both Pb and Cur (exposed to Pb as previous groups together with 300 mg/kg b.wt./day of Cur). Treatments through oral gavage once a day started from gestation day 1 (GD1) till day 20 (GD20), where the mother rats of different experimental groups were sacrificed to obtain the fetuses. Different chemical parameters were assessed. Brain specimens of mother and fetal groups were processed with examination. The results displayed that Pb administration to pregnant rats resulted in a dose-dependent toxicity for both mothers and fetuses. Also, there was a significant rise in lipid peroxidation and decreased antioxidant enzyme activities in the brains of the different Pb-treated groups. The histological examination of the brain of treated dams and fetuses showed marked alterations. Co-treatment of Cur along with Pb caused a significant decrease in Pb levels as compared with those treated with Pb alone, improving the oxidative condition with amelioration of the brain’s histopathological changes. Co-administration of Cur could have ameliorative effect against Pb-induced neurotoxicity through the reduction of oxidative stress and reversal of histopathological changes.
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Affiliation(s)
- Hamid A. Saleh
- Department of Anatomy, Faculty of Medicine, King Abdulaziz University, Jeddah, KSA
| | - Gamal S. Abd El-Aziz
- Department of Anatomy, Faculty of Medicine, King Abdulaziz University, Jeddah, KSA
| | - Hehsam N. Mustafa
- Department of Anatomy, Faculty of Medicine, King Abdulaziz University, Jeddah, KSA
| | - Magdy El-Fark
- Department of Anatomy, Faculty of Medicine, King Abdulaziz University, Jeddah, KSA
| | | | | | - Ahmed Mal
- Department of Marine Biology, Faculty of Marine Sciences, King Abdulaziz University, Jeddah, KSA
| | - Magda AboRass
- Department of Biological Sciences, Faculty of Sciences, King Abdulaziz University, Jeddah, KSA
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16
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Tang M, Taghibiglou C. The Mechanisms of Action of Curcumin in Alzheimer's Disease. J Alzheimers Dis 2018; 58:1003-1016. [PMID: 28527218 DOI: 10.3233/jad-170188] [Citation(s) in RCA: 164] [Impact Index Per Article: 27.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder of the elderly. As the prevalence of AD rises in the 21st century, there is an urgent need for the development of effective pharmacotherapies. Currently, drug treatments target the symptoms of the disease and do not modify or halt the disease progress. Thus, natural compounds have been investigated for their ability to treat AD. This review examines the efficacy of curcumin, a polyphenol derived from turmeric herb, to treat AD. We summarize the in vivo and in vitro research describing the mechanisms of action in which curcumin modifies AD pathology: curcumin inhibits the formation and promotes the disaggregation of amyloid-β plaques, attenuates the hyperphosphorylation of tau and enhances its clearance, binds copper, lowers cholesterol, modifies microglial activity, inhibits acetylcholinesterase, mediates the insulin signaling pathway, and is an antioxidant. In conclusion, curcumin has the potential to be more efficacious than current treatments. However, its usefulness as a therapeutic agent may be hindered by its low bioavailability. If the challenge of low bioavailability is overcome, curcumin-based medications for AD may be in the horizon.
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Affiliation(s)
- Mengxi Tang
- Department of Pharmacology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
| | - Changiz Taghibiglou
- Department of Pharmacology, College of Medicine, University of Saskatchewan, Saskatoon, SK, Canada
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17
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Berzina A, Martinsone I, Svirskis S, Murovska M, Kalis M. Curcumin Effect on Copper Transport in HepG2 Cells. MEDICINA (KAUNAS, LITHUANIA) 2018; 54:E14. [PMID: 30344245 PMCID: PMC6037243 DOI: 10.3390/medicina54020014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 04/10/2018] [Accepted: 04/10/2018] [Indexed: 12/12/2022]
Abstract
Background and Objective: In Wilson's disease, copper metabolism is impaired due to defective copper transporting protein ATP7B, resulting in copper accumulation in liver and brain and causing damage to liver and brain tissues. Published data suggest that one of the possible treatments for Wilson's disease is curcumin-a compound found in the root of Curcuma longa. In this study, we tested whether curcumin affects copper transport and excretion in HepG2 hepatocytes carrying wildtype ATP7B. Materials and Methods: We examined the impact of 5 µM and 25 µM curcumin on the transport of copper in HepG2 cells incubated with 20 µM and 100 µM CuCl₂, as well as copper excretion from cells. First, immunofluorescent staining and co-localization analysis were carried out in HepG2 cells using confocal laser scanning microscope and Nikon NIS Elements software. Second, a concentration of copper extracted into cell culture medium was determined using atomic absorption spectrometry. Results: The analysis of the co-localization between Golgi complex and ATP7B revealed that both 5 µM and 25 µM doses of curcumin improve the ability of liver cells to transport copper to plasma membrane at 20 µM CuCl₂, but not at 100 µM CuCl₂ concentration. However, atomic absorption spectrometry showed that curcumin rather promotes copper absorption into liver cell line HepG2 than excretion of it. Conclusions: Curcumin accelerates the transport of copper within liver cells, but does not promote copper excretion from HepG2 cells.
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Affiliation(s)
- Anita Berzina
- August Kirchenstein Institute of Microbiology and Virology, Riga Stradins University, Dzirciema 16, Riga LV-1007, Latvia.
| | - Inese Martinsone
- Institute of Occupational Safety and Environmental Health, Riga Stradins University, Dzirciema 16, Riga LV-1007, Latvia.
| | - Simons Svirskis
- August Kirchenstein Institute of Microbiology and Virology, Riga Stradins University, Dzirciema 16, Riga LV-1007, Latvia.
| | - Modra Murovska
- August Kirchenstein Institute of Microbiology and Virology, Riga Stradins University, Dzirciema 16, Riga LV-1007, Latvia.
| | - Martins Kalis
- August Kirchenstein Institute of Microbiology and Virology, Riga Stradins University, Dzirciema 16, Riga LV-1007, Latvia.
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18
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Dong W, Liu Z, Qiu L, Wang W, Song X, Wang X, Li Y, Xin L, Wang L, Song L. The modulation role of serotonin in Pacific oyster Crassostrea gigas in response to air exposure. FISH & SHELLFISH IMMUNOLOGY 2017; 62:341-348. [PMID: 28159695 DOI: 10.1016/j.fsi.2017.01.043] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 01/24/2017] [Accepted: 01/27/2017] [Indexed: 06/06/2023]
Abstract
Serotonin, also known as 5-hydroxytryptamine (5-HT), is a critical neurotransmitter in the neuroendocrine-immune regulatory network and involved in regulation of the stress response in vertebrates and invertebrates. In the present study, serotonin was found to be widely distributed in the tissues of Pacific oyster Crassostrea gigas, including haemolymph, gonad, visceral ganglion, mantle, gill, labial palps and hepatopancreas, and its concentration increased significantly in haemolymph and mantle after the oysters were exposed to air for 1 d. The apoptosis rate of haemocytes was significantly declined after the oysters received an injection of extra serotonin, while the activity of superoxide dismutase (SOD) in haemolymph increased significantly. After the stimulation of serotonin during air exposure, the apoptosis rate of oyster haemocytes and the concentration of H2O2 in haemolymph were significantly decreased, while the SOD activity was significantly elevated. Furthermore, the survival rate of oysters from 4th to 6th d after injection of serotonin was higher than that of FSSW group and air exposure group. The results clearly indicated that serotonin could modulate apoptotic effect and redox during air exposure to protect oysters from stress.
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Affiliation(s)
- Wenjing Dong
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhaoqun Liu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Limei Qiu
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Weilin Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xiaorui Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian 116023, China
| | - Xiudan Wang
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yiqun Li
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lusheng Xin
- Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian 116023, China.
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian 116023, China
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19
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Huang HC, Zheng BW, Guo Y, Zhao J, Zhao JY, Ma XW, Jiang ZF. Antioxidative and Neuroprotective Effects of Curcumin in an Alzheimer’s Disease Rat Model Co-Treated with Intracerebroventricular Streptozotocin and Subcutaneous D-Galactose. J Alzheimers Dis 2016; 52:899-911. [DOI: 10.3233/jad-150872] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Han-Chang Huang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
- College of Arts and Science, Beijing Union University, Beijing, China
| | - Bo-Wen Zheng
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
| | - Yu Guo
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
- College of Arts and Science, Beijing Union University, Beijing, China
| | - Jian Zhao
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
- College of Arts and Science, Beijing Union University, Beijing, China
| | - Jiang-Yan Zhao
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
- College of Arts and Science, Beijing Union University, Beijing, China
| | - Xiao-Wei Ma
- College of Arts and Science, Beijing Union University, Beijing, China
| | - Zhao-Feng Jiang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University, Beijing, China
- College of Arts and Science, Beijing Union University, Beijing, China
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20
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Neuroprotective Effects of Curcumin Against Transient Global Ischemia are Dose and Area Dependent. ARCHIVES OF NEUROSCIENCE 2016. [DOI: 10.5812/archneurosci.32600] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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21
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Current Neurogenic and Neuroprotective Strategies to Prevent and Treat Neurodegenerative and Neuropsychiatric Disorders. Neuromolecular Med 2015; 17:404-22. [PMID: 26374113 DOI: 10.1007/s12017-015-8369-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 08/22/2015] [Indexed: 12/31/2022]
Abstract
The adult central nervous system is commonly known to have a very limited regenerative capacity. The presence of functional stem cells in the brain can therefore be seen as a paradox, since in other organs these are known to counterbalance cell loss derived from pathological conditions. This fact has therefore raised the possibility to stimulate neural stem cell differentiation and proliferation or survival by either stem cell replacement therapy or direct administration of neurotrophic factors or other proneurogenic molecules, which in turn has also originated regenerative medicine for the treatment of otherwise incurable neurodegenerative and neuropsychiatric disorders that take a huge toll on society. This may be facilitated by the fact that many of these disorders converge on similar pathophysiological pathways: excitotoxicity, oxidative stress, neuroinflammation, mitochondrial failure, excessive intracellular calcium and apoptosis. This review will therefore focus on the most promising achievements in promoting neuroprotection and neuroregeneration reported to date.
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22
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Zhao LN, Zheng J, Chew LY, Mu Y. An Investigation on the Fundamental Interaction between Abeta Peptides and the AT-Rich DNA. J Phys Chem B 2015; 119:8247-59. [PMID: 26086541 DOI: 10.1021/acs.jpcb.5b00957] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
DNA damage is ubiquitous in all mammalian cells with the occurrence of more than 60,000 times per day per cell. In particular, DNA damage in neurons is found to accumulate with age and has been suggested to interfere with the synthesis of functional proteins. Moreover, recent studies have found through transgenic mice that human amyloid precursor protein causes an increase in DNA double-strand breaks (DSBs) with the effect of a prolongation in DNA repair. It is surmised that amyloid β (Aβ) exacerbates the DNA DSBs in neurons, possibly engendering neuronal dysfunction as a result. However, a good understanding on the holistic interaction mechanisms and the manner in which Aβ intertwines with DNA damage is still in its infancy. In our study, we found that DNA with an AT-rich sequence has a very low binding affinity toward Aβ by means of molecular dynamics simulation. While we have pursued a particular sequence of DNA in this study, other DNA sequences are expected to affect the interaction and binding affinity between DNA and Aβ, and will be pursued in our further research. Nonetheless, we have uncovered favorable interaction between the positively charged side chain of Aβ and the two ends of DNA. The latest experiment reveals that many of the double-stranded breaks in neurons can be fixed via DNA repair mechanisms but not in the case that Aβs are present. It is found that the increased numbers of DSBs prevail in active neurons. Here, on the basis of the favorable interaction between Aβ and the two ends of DNA, we propose the possibility that Aβ prevents DNA repair via binding directly to the break ends of the DNA, which further exacerbates DNA damage. Moreover, we have found that the base pair oxygen of the DNA has a greater preference to form hydrogen bonds than the backbone oxygen with Aβ at the two ends. Thus, we postulate that Aβ could serve to prevent the repair of AT-rich DNA, and it is unlikely to cause its breakage or affect its binding toward histone. Another important observation from our study is that AT-rich DNA has very little or no influence on Aβ oligomerization. Finally, even though we do not observe any dramatic DNA conformational change in the presence of Aβ, we do observe an increase in diversity of the DNA structural parameters such as groove width, local base step, and torsional angles in lieu of Aβ interactions.
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Affiliation(s)
- Li Na Zhao
- †School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore.,‡School of Computer Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore.,§Bioinformatics Institute, 30 Biopolis Street, Singapore 138671
| | - Jie Zheng
- ‡School of Computer Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore.,∥Genome Institute of Singapore, A* STAR, 60 Biopolis Street, Singapore 138672
| | - Lock Yue Chew
- †School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore.,⊥Complexity Institute, Nanyang Technological University, 18 Nanyang Drive, Singapore
| | - Yuguang Mu
- #School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore
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23
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Mechanism of Dose-Dependent Regulation of UBE1L by Polyphenols in Human Bronchial Epithelial Cells. J Cell Biochem 2015; 116:1553-62. [DOI: 10.1002/jcb.25109] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Accepted: 01/23/2015] [Indexed: 11/07/2022]
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Lee J, Jo DG, Park D, Chung HY, Mattson MP. Adaptive cellular stress pathways as therapeutic targets of dietary phytochemicals: focus on the nervous system. Pharmacol Rev 2015; 66:815-68. [PMID: 24958636 DOI: 10.1124/pr.113.007757] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
During the past 5 decades, it has been widely promulgated that the chemicals in plants that are good for health act as direct scavengers of free radicals. Here we review evidence that favors a different hypothesis for the health benefits of plant consumption, namely, that some phytochemicals exert disease-preventive and therapeutic actions by engaging one or more adaptive cellular response pathways in cells. The evolutionary basis for the latter mechanism is grounded in the fact that plants produce natural antifeedant/noxious chemicals that discourage insects and other organisms from eating them. However, in the amounts typically consumed by humans, the phytochemicals activate one or more conserved adaptive cellular stress response pathways and thereby enhance the ability of cells to resist injury and disease. Examplesof such pathways include those involving the transcription factors nuclear factor erythroid 2-related factor 2, nuclear factor-κB, hypoxia-inducible factor 1α, peroxisome proliferator-activated receptor γ, and forkhead box subgroup O, as well as the production and action of trophic factors and hormones. Translational research to develop interventions that target these pathways may lead to new classes of therapeutic agents that act by stimulating adaptive stress response pathways to bolster endogenous defenses against tissue injury and disease. Because neurons are particularly sensitive to potentially noxious phytochemicals, we focus on the nervous system but also include findings from other cell types in which actions of phytochemicals on specific signal transduction pathways have been more thoroughly studied.
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Affiliation(s)
- Jaewon Lee
- Department of Pharmacy, College of Pharmacy, and Molecular Inflammation Research Center for Aging Intervention, Pusan National University, Geumjeong-gu, Busan, Republic of Korea (J.L., D.P., H.Y.C.); School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea (D.-G.J.); Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, Baltimore, Maryland (M.P.M.); and Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland (M.P.M.)
| | - Dong-Gyu Jo
- Department of Pharmacy, College of Pharmacy, and Molecular Inflammation Research Center for Aging Intervention, Pusan National University, Geumjeong-gu, Busan, Republic of Korea (J.L., D.P., H.Y.C.); School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea (D.-G.J.); Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, Baltimore, Maryland (M.P.M.); and Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland (M.P.M.)
| | - Daeui Park
- Department of Pharmacy, College of Pharmacy, and Molecular Inflammation Research Center for Aging Intervention, Pusan National University, Geumjeong-gu, Busan, Republic of Korea (J.L., D.P., H.Y.C.); School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea (D.-G.J.); Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, Baltimore, Maryland (M.P.M.); and Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland (M.P.M.)
| | - Hae Young Chung
- Department of Pharmacy, College of Pharmacy, and Molecular Inflammation Research Center for Aging Intervention, Pusan National University, Geumjeong-gu, Busan, Republic of Korea (J.L., D.P., H.Y.C.); School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea (D.-G.J.); Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, Baltimore, Maryland (M.P.M.); and Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland (M.P.M.)
| | - Mark P Mattson
- Department of Pharmacy, College of Pharmacy, and Molecular Inflammation Research Center for Aging Intervention, Pusan National University, Geumjeong-gu, Busan, Republic of Korea (J.L., D.P., H.Y.C.); School of Pharmacy, Sungkyunkwan University, Suwon, Republic of Korea (D.-G.J.); Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, Baltimore, Maryland (M.P.M.); and Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, Maryland (M.P.M.)
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25
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Srivastava P, Yadav RS, Chandravanshi LP, Shukla RK, Dhuriya YK, Chauhan LKS, Dwivedi HN, Pant AB, Khanna VK. Unraveling the mechanism of neuroprotection of curcumin in arsenic induced cholinergic dysfunctions in rats. Toxicol Appl Pharmacol 2014; 279:428-440. [PMID: 24952339 DOI: 10.1016/j.taap.2014.06.006] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 06/06/2014] [Accepted: 06/07/2014] [Indexed: 12/20/2022]
Abstract
Earlier, we found that arsenic induced cholinergic deficits in rat brain could be protected by curcumin. In continuation to this, the present study is focused to unravel the molecular mechanisms associated with the protective efficacy of curcumin in arsenic induced cholinergic deficits. Exposure to arsenic (20mg/kg body weight, p.o) for 28 days in rats resulted to decrease the expression of CHRM2 receptor gene associated with mitochondrial dysfunctions as evident by decrease in the mitochondrial membrane potential, activity of mitochondrial complexes and enhanced apoptosis both in the frontal cortex and hippocampus in comparison to controls. The ultrastructural images of arsenic exposed rats, assessed by transmission electron microscope, exhibited loss of myelin sheath and distorted cristae in the mitochondria both in the frontal cortex and hippocampus as compared to controls. Simultaneous treatment with arsenic (20mg/kg body weight, p.o) and curcumin (100mg/kg body weight, p.o) for 28 days in rats was found to protect arsenic induced changes in the mitochondrial membrane potential and activity of mitochondrial complexes both in frontal cortex and hippocampus. Alterations in the expression of pro- and anti-apoptotic proteins and ultrastructural damage in the frontal cortex and hippocampus following arsenic exposure were also protected in rats simultaneously treated with arsenic and curcumin. The data of the present study reveal that curcumin could protect arsenic induced cholinergic deficits by modulating the expression of pro- and anti-apoptotic proteins in the brain. More interestingly, arsenic induced functional and ultrastructural changes in the brain mitochondria were also protected by curcumin.
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Affiliation(s)
- Pranay Srivastava
- CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow 226 001, India
| | - Rajesh S Yadav
- CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow 226 001, India; Department of Crimnology and Forensic Science, Harisingh Gour University, Sagar 470 003, India
| | - Lalit P Chandravanshi
- CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow 226 001, India
| | - Rajendra K Shukla
- CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow 226 001, India
| | - Yogesh K Dhuriya
- CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow 226 001, India
| | - Lalit K S Chauhan
- CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow 226 001, India
| | - Hari N Dwivedi
- Babu Banarasi Das University, BBD City, Faizabad Road, Lucknow 227 015, India
| | - Aditiya B Pant
- CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow 226 001, India
| | - Vinay K Khanna
- CSIR-Indian Institute of Toxicology Research, Post Box 80, MG Marg, Lucknow 226 001, India.
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Schmitz AE, de Oliveira PA, de Souza LF, da Silva DGH, Danielski S, Santos DB, de Almeida EA, Prediger RD, Fisher A, Farina M, Dafre AL. Interaction of curcumin with manganese may compromise metal and neurotransmitter homeostasis in the hippocampus of young mice. Biol Trace Elem Res 2014; 158:399-409. [PMID: 24723215 DOI: 10.1007/s12011-014-9951-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Accepted: 03/17/2014] [Indexed: 11/26/2022]
Abstract
Manganese (Mn) exposure is related to industrial activities, where absorption by inhalation has high relevance. Manganism, a syndrome caused as a result of excessive accumulation of Mn in the central nervous system, has numerous symptoms similar to those seen in idiopathic Parkinson disease (IPD). Some of these symptoms, such as learning, memory, sensorial, and neurochemical changes, appear before the onset of motor deficits in both manganism and IPD. The aim of this study was to evaluate the possible neuroprotective effects of curcumin against behavioral deficits induced by Mn toxicity in young (2 months old) Swiss mice. We evaluated the effect of chronic inhalation of a Mn mixture [Mn(OAc)3 and MnCl2 (20:40 mM)], 1 h/session, three times a week, over a 14-week period on behavioral and neurochemical parameters. Curcumin was supplemented in the diet (500 or 1,500 ppm in food pellets). The Mn disrupted the motor performance evaluated in the single-pellet reach task, as well as the short- and long-term spatial memory evaluated in the step-down inhibitory avoidance task. Surprisingly, curcumin also produced similar deleterious effects in such behavioral tests. Moreover, the association of Mn plus curcumin significantly increased the levels of Mn and iron, and decreased the levels of dopamine and serotonin in the hippocampus. These alterations were not observed in the striatum. In conclusion, the current Mn treatment protocol resulted in mild deficits in motor and memory functions, resembling the early phases of IPD. Additionally, curcumin showed no beneficial effects against Mn-induced disruption of hippocampal metal and neurotransmitter homeostasis.
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Affiliation(s)
- Ariana Ern Schmitz
- Department of Biochemistry, Federal University of Santa Catarina, Biological Sciences Centre, 88040-900, Florianópolis, SC, Brazil
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27
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Structure-Function Elucidation of Antioxidative and Prooxidative Activities of the Polyphenolic Compound Curcumin. ACTA ACUST UNITED AC 2014. [DOI: 10.1155/2014/396708] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Phenolic compounds have been very well known for their antioxidant properties, owing to their unique ability to act as free radical scavengers which, in turn, is an outstanding attribute of their unique biochemical structure. Recent accumulating lines of evidence inculcate sustainable interest and curiosity towards the chemoprotective nature of the natural polyphenolic compound curcumin (diferuloylmethane) against oxidative stress-mediated disorders. Curcumin is naturally found as a constituent of dietary spices called turmeric, extracted from the plant Curcuma longa. However, like every phenolic antioxidant, curcumin possesses a concentration and medium dependent anti- and pro-oxidant behaviour. A detailed study of the structure-function analysis and the understanding of the mode of action of curcumin as well as its chemical analogues is thus essential to understand the selective biochemical consequences of curcumin. Moreover, the presence of transition metal ions, route of administration, and localized tissue are also the vital decisive factors to determine curcumin behaviour. With this viewpoint, this paper sheds lights on the medium dependent prooxidative and antioxidative attributes of curcumin. Further, with respect to emergence of nanocarriers, a brief discussion focusing on the biochemical effect exertion of curcumin chiefly due to targeted and slow release has also been added towards the end.
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Nazari QA, Takada-Takatori Y, Hashimoto T, Imaizumi A, Izumi Y, Akaike A, Kume T. Potential protective effect of highly bioavailable curcumin on an oxidative stress model induced by microinjection of sodium nitroprusside in mice brain. Food Funct 2014; 5:984-9. [DOI: 10.1039/c4fo00009a] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The protective effects of conventional curcumin or highly bioavailable curcumin, Theracurmin®, against oxidative stress is investigated using our in vivo oxidative stress model.
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Affiliation(s)
- Qand Agha Nazari
- Department of Pharmacology
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Sakyo-Ku, Japan
| | - Yuki Takada-Takatori
- Department of Pharmacology
- Faculty of Pharmaceutical Sciences
- Doshisha Women's College
- , Japan
| | | | | | - Yasuhiko Izumi
- Department of Pharmacology
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Sakyo-Ku, Japan
| | - Akinori Akaike
- Department of Pharmacology
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Sakyo-Ku, Japan
- Graduate School of Pharmaceutical Sciences
| | - Toshiaki Kume
- Department of Pharmacology
- Graduate School of Pharmaceutical Sciences
- Kyoto University
- Sakyo-Ku, Japan
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30
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Ostrowski W, Dzikowska A, Frański R. Formation of curcumin molecular ion under electrospray ionisation conditions in the presence of metal cations. EUROPEAN JOURNAL OF MASS SPECTROMETRY (CHICHESTER, ENGLAND) 2014; 20:163-168. [PMID: 24895776 DOI: 10.1255/ejms.1251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Electrospray ionisation (ESI) mass spectra obtained for solutions containing curcumin, copper cation and other metal cations, namely Co2+, Ni2+, Mn2+ and Zn2+, have shown an abundant curcumin molecular ion at m/z 368. This ion was not formed for solutions containing curcumin and copper cations or for those containing curcumin and other metal cations. To the best of our knowledge, it is the first example of a system in which copper cations and other metal cations promote formation of organic radical cation under ESI conditions.
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31
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Goo S, Choi YJ, Lee Y, Lee S, Chung HW. Selective Effects of Curcumin on CdSe/ZnS Quantum-dot-induced Phototoxicity Using UVA Irradiation in Normal Human Lymphocytes and Leukemia Cells. Toxicol Res 2013; 29:35-42. [PMID: 24278627 PMCID: PMC3834438 DOI: 10.5487/tr.2013.29.1.035] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Revised: 03/18/2013] [Accepted: 03/18/2013] [Indexed: 11/20/2022] Open
Abstract
Quantum dots (QDs) have received considerable attention due to their potential role in photosensitization during photodynamic therapy. Although QDS are attractive nanomaterials due to their novel and unique physicochemical properties, concerns about their toxicity remain. We suggest a combination strategy, CdSe/ZnS QDs together with curcumin, a natural yellow pigment from turmeric, to reduce QD-induced cytotoxicity. The aim of this study was to explore a potentially effective cancer treatment: co-exposure of HL-60 cells and human normal lymphocytes to CdSe/ZnS QDs and curcumin. Cell viability, apoptosis, reactive oxygen species (ROS) generation, and DNA damage induced by QDs and/or curcumin with or without ultraviolet A (UVA) irradiation were evaluated in both HL-60 cells and normal lymphocytes. In HL-60 cells, cell death, apoptosis, ROS generation, and single/double DNA strand breaks induced by QDs were enhanced by treatment with curcumin and UVA irradiation. The protective effects of curcumin on cell viability, apoptosis, and ROS generation were observed in normal lymphocytes, but not leukemia cells. These results demonstrated that treatment with QD combined with curcumin increased cell death in HL-60 cells, which was mediated by ROS generation. However, curcumin acted as an antioxidant in cultured human normal lymphocytes.
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Affiliation(s)
- Soomin Goo
- School of Public Health and Institute of Health and Environment, Seoul National University, Seoul, Korea
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Hegge AB, Mysterud I, Karlsen J, Skulberg OM, Laane CMM, Schumacher T, Tønnesen HH. Impaired secondary oxidant deactivation capacity and enhanced oxidative stress in serum from alveld affected lambs. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2013; 126:126-134. [PMID: 23954345 DOI: 10.1016/j.jphotobiol.2013.07.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Revised: 06/12/2013] [Accepted: 07/02/2013] [Indexed: 06/02/2023]
Abstract
Alveld is a hepatogenous photosensitivity disorder in lambs. The aim of the study was to investigate if alveld affected lambs had a reduced capacity to handle oxidative stress induced from either endogenous and/or exogenous photosensitizers. Serum samples from alveld lambs (n=33) were compared to serum samples from control lambs (n=31) and exposed to a controlled amount of singlet oxygen ((1)O2). The sera from alveld lambs were found to have an impaired ability to deactivate reactive oxygen species (ROS) compared to control sera. A higher degree of initial hemolysis and a higher concentration of the exogenous photosensitizer phytoporphyrin (PP) were detected in alveld sera compared to the controls. The action spectrum for the formation of (1)O2 indicated that PP as well as the endogenous compound protoporphyrin IX (PP IX) may act as in vivo photosensitizers. A relatively high level of iron was detected in pooled serum from alveld lambs that showed a high degree of hemolysis. It was concluded that alveld photosensitivity is likely to be initiated by a photodynamic reaction involving PP and possibly also PP IX followed by a light-independent reaction involving hemoglobin-related products and catalysis by the Fenton reaction.
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Affiliation(s)
- Anne Bee Hegge
- School of Pharmacy, University of Oslo, P.O. Box 1068 Blindern, 0316 Oslo, Norway
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33
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Lee WH, Loo CY, Bebawy M, Luk F, Mason RS, Rohanizadeh R. Curcumin and its derivatives: their application in neuropharmacology and neuroscience in the 21st century. Curr Neuropharmacol 2013; 11:338-78. [PMID: 24381528 PMCID: PMC3744901 DOI: 10.2174/1570159x11311040002] [Citation(s) in RCA: 296] [Impact Index Per Article: 26.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 03/17/2013] [Accepted: 03/19/2013] [Indexed: 12/15/2022] Open
Abstract
Curcumin (diferuloylmethane), a polyphenol extracted from the plant Curcuma longa, is widely used in Southeast Asia, China and India in food preparation and for medicinal purposes. Since the second half of the last century, this traditional medicine has attracted the attention of scientists from multiple disciplines to elucidate its pharmacological properties. Of significant interest is curcumin's role to treat neurodegenerative diseases including Alzheimer's disease (AD), and Parkinson's disease (PD) and malignancy. These diseases all share an inflammatory basis, involving increased cellular reactive oxygen species (ROS) accumulation and oxidative damage to lipids, nucleic acids and proteins. The therapeutic benefits of curcumin for these neurodegenerative diseases appear multifactorial via regulation of transcription factors, cytokines and enzymes associated with (Nuclear factor kappa beta) NFκB activity. This review describes the historical use of curcumin in medicine, its chemistry, stability and biological activities, including curcumin's anti-cancer, anti-microbial, anti-oxidant, and anti-inflammatory properties. The review further discusses the pharmacology of curcumin and provides new perspectives on its therapeutic potential and limitations. Especially, the review focuses in detail on the effectiveness of curcumin and its mechanism of actions in treating neurodegenerative diseases such as Alzheimer's and Parkinson's diseases and brain malignancies.
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Affiliation(s)
- Wing-Hin Lee
- Advanced Drug Delivery Group, Faculty of Pharmacy, University of Sydney, NSW 2006, Australia
| | - Ching-Yee Loo
- Advanced Drug Delivery Group, Faculty of Pharmacy, University of Sydney, NSW 2006, Australia
| | - Mary Bebawy
- School of Pharmacy, Graduate School of Health, University of Technology Sydney PO Box 123 Broadway, NSW 2007, Australia
| | - Frederick Luk
- School of Pharmacy, Graduate School of Health, University of Technology Sydney PO Box 123 Broadway, NSW 2007, Australia
| | - Rebecca S Mason
- Physiology and Bosch Institute, University of Sydney, NSW 2006, Australia
| | - Ramin Rohanizadeh
- Advanced Drug Delivery Group, Faculty of Pharmacy, University of Sydney, NSW 2006, Australia
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San Miguel SM, Opperman LA, Allen EP, Zielinski JE, Svoboda KK. Antioxidant combinations protect oral fibroblasts against metal-induced toxicity. Arch Oral Biol 2013; 58:299-310. [DOI: 10.1016/j.archoralbio.2012.05.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2012] [Revised: 05/18/2012] [Accepted: 05/29/2012] [Indexed: 10/28/2022]
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35
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Ferrari E, Asti M, Benassi R, Pignedoli F, Saladini M. Metal binding ability of curcumin derivatives: a theoretical vs. experimental approach. Dalton Trans 2013; 42:5304-13. [PMID: 23403470 DOI: 10.1039/c3dt33072a] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Theoretical calculations employing DFT at the B3LYP/6-311G++** level are used to investigate the tautomeric equilibrium in curcumin derivatives. The solvent effect is evaluated using the CPCM continuum solvation method. The results are compared with experimental data obtained from the X-ray crystal structure of K2A23 and UV-vis data. The KE tautomer is more stable in a vacuum and in the solid state, while in water the DK tautomer reaches a population of 90%. In agreement with spectroscopic data, theoretical calculations predict a slight prevalence of the DK form in non-aqueous solvent systems. The ability to chelate metal ions [Fe(3+), Ga(3+) and Cu(2+)] is then explored by means of (1)H, (13)C NMR and UV-Vis spectroscopy. From the calculation of the overall stability constants of metal complexes and (1)H NMR titrations with Ga(3+), it is clear that the more stable species has a 1 : 2 M/L molar ratio. The curcuminoid coordinates the metal ion through the keto-enol function in the dissociated form; in addition 2D (1)H (13)C NMR experiments suggest the involvement of carboxylic oxygen in metal coordination it was found in the solid state for the complex [Ga(K2A33)2]PF6. The rate of the complexation reaction is strongly influenced by the type of substituent on the aromatic ring of the curcuminoid (K2A33 ≈ K2A23 ≫ K2A21). In addition DPPH assay evidences how antioxidant ability of curcumin derivatives is mainly due to the presence of a phenolic group and metal coordination by a keto-enolic moiety does not affect it, especially for K2A21.
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Affiliation(s)
- Erika Ferrari
- Department of Chemical and Geological Sciences, via Campi, 183, 41125 Modena, Italy.
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36
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Villaflores OB, Chen YJ, Chen CP, Yeh JM, Wu TY. Curcuminoids and resveratrol as anti-Alzheimer agents. Taiwan J Obstet Gynecol 2012; 51:515-25. [DOI: 10.1016/j.tjog.2012.09.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2012] [Indexed: 12/24/2022] Open
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37
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Mendonça LM, da Silva Machado C, Teixeira CCC, de Freitas LAP, Bianchi MDLP, Antunes LMG. Curcumin reduces cisplatin-induced neurotoxicity in NGF-differentiated PC12 cells. Neurotoxicology 2012; 34:205-11. [PMID: 23036615 DOI: 10.1016/j.neuro.2012.09.011] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2012] [Revised: 09/18/2012] [Accepted: 09/25/2012] [Indexed: 10/27/2022]
Abstract
The potential neuroprotective benefits of curcumin against cisplatin neurotoxicity were investigated. Curcumin is a polyphenol derived from the rhizome of Curcuma longa whose pharmacological effects include antioxidant, anti-inflammatory and anti-cancer properties. Cisplatin is a potent chemotherapeutic drug with activity against a wide variety of tumors, although it has notorious side effects. Cisplatin neurotoxicity is clinically evident in patients that have undergone a full course of chemotherapy and develop a peripheral neuropathy that may affect the treatment regimen and the patient's qualify of life. In this study, we examined whether curcumin can protect against cisplatin neurite outgrowth inhibition in PC12 cells, which is an indicator of the protective potential against neuropathy. We also investigated whether curcumin affects cisplatin effectiveness by analyzing the modulation of p53 gene expression and its effect on cisplatin cytotoxicity in HepG2 tumor cells. Non-cytotoxic concentrations of curcumin reduced in vitro neurotoxicity of cisplatin in PC12 cells. The treatment of PC12 cells with cisplatin (10μg/mL) significantly reduced neurite outgrowth. The tested concentration of curcumin (1.0 and 10μg/mL) did not result in neurite toxicity but nevertheless diminished cisplatin-induced inhibition of neurite outgrowth by up to 50% (p<0.05). Our results indicate that curcumin does not compromise cisplatin's anticancer activity. Curcumin neither suppressed p53 mRNA transcription nor protected tumor cells against cisplatin cytotoxicity. These results indicate that curcumin may reduce cisplatin-induced neurotoxicity, and clinical studies should potentially be considered.
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Affiliation(s)
- Leonardo Meneghin Mendonça
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, SP, Brazil.
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Rodríguez-Rodríguez C, Telpoukhovskaia M, Orvig C. The art of building multifunctional metal-binding agents from basic molecular scaffolds for the potential application in neurodegenerative diseases. Coord Chem Rev 2012. [DOI: 10.1016/j.ccr.2012.03.008] [Citation(s) in RCA: 126] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Zhao LN, Chiu SW, Benoit J, Chew LY, Mu Y. The Effect of Curcumin on the Stability of Aβ Dimers. J Phys Chem B 2012; 116:7428-35. [DOI: 10.1021/jp3034209] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Li Na Zhao
- School of Physical and Mathematical
Sciences, Nanyang Technological University
| | - See-Wing Chiu
- Beckman Institute, University of Illinois, Urbana, Illinois
| | - Jérôme Benoit
- School of Physical and Mathematical
Sciences, Nanyang Technological University
| | - Lock Yue Chew
- School of Physical and Mathematical
Sciences, Nanyang Technological University
| | - Yuguang Mu
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive,
Singapore
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40
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Zhao LN, Long H, Mu Y, Chew LY. The toxicity of amyloid β oligomers. Int J Mol Sci 2012; 13:7303-7327. [PMID: 22837695 PMCID: PMC3397527 DOI: 10.3390/ijms13067303] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 06/01/2012] [Accepted: 06/08/2012] [Indexed: 12/13/2022] Open
Abstract
In this review, we elucidate the mechanisms of Aβ oligomer toxicity which may contribute to Alzheimer's disease (AD). In particular, we discuss on the interaction of Aβ oligomers with the membrane through the process of adsorption and insertion. Such interaction gives rises to phase transitions in the sub-structures of the Aβ peptide from α-helical to β-sheet structure. By means of a coarse-grained model, we exhibit the tendency of β-sheet structures to aggregate, thus providing further insights to the process of membrane induced aggregation. We show that the aggregated oligomer causes membrane invagination, which is a precursor to the formation of pore structures and ion channels. Other pathological progressions to AD due to Aβ oligomers are also covered, such as their interaction with the membrane receptors, and their direct versus indirect effects on oxidative stress and intraneuronal accumulation. We further illustrate that the molecule curcumin is a potential Aβ toxicity inhibitor as a β-sheet breaker by having a high propensity to interact with certain Aβ residues without binding to them. The comprehensive understanding gained from these current researches on the various toxicity mechanisms show promises in the provision of better therapeutics and treatment strategies in the near future.
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Affiliation(s)
- Li Na Zhao
- School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637731, Singapore; E-Mails: (L.N.Z.); (H.W.L.)
| | - HonWai Long
- School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637731, Singapore; E-Mails: (L.N.Z.); (H.W.L.)
- High Performance Computing Centre, Nanyang Technological University, 50 Nanyang Avenue, 639798, Singapore
| | - Yuguang Mu
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, 637551, Singapore
| | - Lock Yue Chew
- School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637731, Singapore; E-Mails: (L.N.Z.); (H.W.L.)
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41
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Protective effects of curcumin on amyloid-β-induced neuronal oxidative damage. Neurochem Res 2012; 37:1584-97. [PMID: 22476982 DOI: 10.1007/s11064-012-0754-9] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Revised: 02/09/2012] [Accepted: 03/08/2012] [Indexed: 12/21/2022]
Abstract
To investigate the protective effects of curcumin against amyloid-β (Aβ)-induced neuronal damage. Primary rat cortical neurons were cultured with different treatments of Aβ and curcumin. Neuronal morphologies, viability and damage were assessed. Neuronal oxidative stress was assessed, including extracellular hydrogen peroxide and intracellular reactive oxygen species. The abilities of curcumin to scavenge free radicals and to inhibit Aβ aggregation and β-sheeted formation are further assessed and discussed. Curcumin preserves cell viability, which is decreased by Aβ. The results of changed morphology, released Lactate dehydrogenases and cell viability assays indicate that curcumin protects Aβ-induced neuronal damage. Curcumin depresses Aβ-induced up-regulation of neuronal oxidative stress. The treatment sequence impacts the protective effect of curcumin on Aβ-induced neuronal damage. Curcumin shows a more protective effect on neuronal oxidative damage when curcumin was added into cultured neurons not later than Aβ, especially prior to Aβ. The abilities of curcumin to scavenge free radicals and to inhibit the formation of β-sheeted aggregation are both beneficial to depress Aβ-induced oxidative damage. Curcumin prevents neurons from Aβ-induced oxidative damage, implying the therapeutic usage for the treatment of Alzheimer's disease patients.
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