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Anggraeni IG, Ei ZZ, Hotta D, Yokoya M, Chanvorachote P. Renieramycin T Derivative DH_22 Induces p53-dependent Apoptosis in Lung Cancer Cells. In Vivo 2023; 37:1960-1966. [PMID: 37652479 PMCID: PMC10500526 DOI: 10.21873/invivo.13292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/16/2023] [Accepted: 06/19/2023] [Indexed: 09/02/2023]
Abstract
BACKGROUND/AIM Targeting apoptotic pathways has been identified as a promising strategy for the treatment of lung cancer. We synthesized a new derivative of renieramycin T (RT), named DH_22, and examined its anticancer activities in human lung cancer cells. MATERIALS AND METHODS The RT derivative DH_22 was chemically modified from RT. The apoptosis-inducing effect was evaluated in A549 cells by annexin V-FITC/PI staining and nuclear staining assay (Hoechst/PI). In addition, the molecular pathway was analyzed by western blot analysis. RESULTS In the cell viability and nuclear staining tests, DH_22 was discovered to be cytotoxic with an IC50 of 13.27 μM; it induced apoptosis of lung cancer cells. Regarding the mechanism, DH_22 contributed to the activation of p53-dependent apoptosis and decreased the cellular level of c-Myc. The p53-dependent mechanism was indicated by an increase in p53, an induction of the pro-apoptotic Bax protein, and a decrease in the anti-apoptotic B-cell lymphoma 2 (Bcl-2) protein. CONCLUSION DH_22 has great potential for further development as a new anticancer drug.
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Affiliation(s)
- Indiana Gita Anggraeni
- Center of Excellence in Cancer Cell and Molecular Biology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
- Graduate Program of Pharmaceutical Sciences and Technology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Zin Zin Ei
- Center of Excellence in Cancer Cell and Molecular Biology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Daiki Hotta
- Graduate Program of Pharmaceutical Sciences, Meiji Pharmaceutical University, Tokyo, Japan
| | - Masashi Yokoya
- Graduate Program of Pharmaceutical Sciences, Meiji Pharmaceutical University, Tokyo, Japan
| | - Pithi Chanvorachote
- Center of Excellence in Cancer Cell and Molecular Biology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand;
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
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2
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Jithavech P, Suwattananuruk P, Hasriadi, Muangnoi C, Thitikornpong W, Towiwat P, Vajragupta O, Rojsitthisak P. Physicochemical investigation of a novel curcumin diethyl γ-aminobutyrate, a carbamate ester prodrug of curcumin with enhanced anti-neuroinflammatory activity. PLoS One 2022; 17:e0265689. [PMID: 35303012 PMCID: PMC9048745 DOI: 10.1371/journal.pone.0265689] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 03/05/2022] [Indexed: 12/28/2022] Open
Abstract
Curcumin is a polyphenol compound that alleviates several neuroinflammation-related diseases including Alzheimer's disease, Parkinson's disease, multiple sclerosis, epilepsy and cerebral injury. However, the therapeutic efficacy of curcumin is limited by its poor physicochemical properties. The present study aimed to develop a new carrier-linked curcumin prodrug, curcumin diethyl γ-aminobutyrate (CUR-2GE), with improved physicochemical and anti-neuroinflammatory properties. CUR-2GE was designed and synthesized by conjugating curcumin with gamma-aminobutyric acid ethyl ester (GE) via a carbamate linkage. The carbamate linkage was selected to increase stability at acidic pH while GE served as a promoiety for lipophilic enhancement. The synthesized CUR-2GE was investigated for solubility, partition coefficient, stability, and bioconversion. The solubility of CUR-2GE was less than 0.05 μg/mL similar to that of curcumin, while the lipophilicity with log P of 3.57 was significantly increased. CUR-2GE was resistant to chemical hydrolysis at acidic pH (pH 1.2 and 4.5) as anticipated but rapidly hydrolyzed at pH 6.8 and 7.4. The incomplete hydrolysis of CUR-2GE was observed in simulated gastrointestinal fluids which liberated the intermediate curcumin monoethyl γ-aminobutyric acid (CUR-1GE) and the parent curcumin. In plasma, CUR-2GE was sequentially converted to CUR-1GE and curcumin within 1 h. In lipopolysaccharide (LPS)-stimulated BV-2 microglial cells, CUR-2GE effectively attenuated the pro-inflammatory mediators by decreasing the secretion of nitric oxide and cytokines (TNF-α and IL-6) to a greater extent than curcumin due to an increase in cellular uptake. Altogether, the newly developed acid-stable CUR-2GE prodrug is a potential pre-clinical and clinical candidate for further evaluation on neuroprotective and anti-neuroinflammatory effects.
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Affiliation(s)
- Ponsiree Jithavech
- Center of Excellence in Natural Products for Ageing and Chronic Diseases,
Chulalongkorn University, Bangkok, Thailand
- Department of Food and Pharmaceutical Chemistry, Faculty of
Pharmaceutical Sciences, Chulalongkorn University, Bangkok,
Thailand
| | - Piyapan Suwattananuruk
- Center of Excellence in Natural Products for Ageing and Chronic Diseases,
Chulalongkorn University, Bangkok, Thailand
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical
Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Hasriadi
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical
Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Chawanphat Muangnoi
- Cell and Animal Model Unit, Institute of Nutrition, Mahidol University,
Nakhon Pathom, Thailand
| | - Worathat Thitikornpong
- Center of Excellence in Natural Products for Ageing and Chronic Diseases,
Chulalongkorn University, Bangkok, Thailand
- Department of Food and Pharmaceutical Chemistry, Faculty of
Pharmaceutical Sciences, Chulalongkorn University, Bangkok,
Thailand
| | - Pasarapa Towiwat
- Center of Excellence in Natural Products for Ageing and Chronic Diseases,
Chulalongkorn University, Bangkok, Thailand
- Department of Pharmacology and Physiology, Faculty of Pharmaceutical
Sciences, Chulalongkorn University, Bangkok, Thailand
| | - Opa Vajragupta
- Center of Excellence in Natural Products for Ageing and Chronic Diseases,
Chulalongkorn University, Bangkok, Thailand
- Research Affairs, Faculty of Pharmaceutical Sciences, Chulalongkorn
University, Bangkok, Thailand
| | - Pornchai Rojsitthisak
- Center of Excellence in Natural Products for Ageing and Chronic Diseases,
Chulalongkorn University, Bangkok, Thailand
- Department of Food and Pharmaceutical Chemistry, Faculty of
Pharmaceutical Sciences, Chulalongkorn University, Bangkok,
Thailand
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3
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Peng Y, Ao M, Dong B, Jiang Y, Yu L, Chen Z, Hu C, Xu R. Anti-Inflammatory Effects of Curcumin in the Inflammatory Diseases: Status, Limitations and Countermeasures. DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:4503-4525. [PMID: 34754179 PMCID: PMC8572027 DOI: 10.2147/dddt.s327378] [Citation(s) in RCA: 173] [Impact Index Per Article: 57.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 08/30/2021] [Indexed: 01/08/2023]
Abstract
Curcumin is a natural compound with great potential for disease treatment. A large number of studies have proved that curcumin has a variety of biological activities, among which anti-inflammatory effect is a significant feature of it. Inflammation is a complex and pervasive physiological and pathological process. The physiological and pathological mechanisms of inflammatory bowel disease, psoriasis, atherosclerosis, COVID-19 and other research focus diseases are not clear yet, and they are considered to be related to inflammation. The anti-inflammatory effect of curcumin can effectively improve the symptoms of these diseases and is expected to be a candidate drug for the treatment of related diseases. This paper mainly reviews the anti-inflammatory effect of curcumin, the inflammatory pathological mechanism of related diseases, the regulatory effect of curcumin on these, and the latest research results on the improvement of curcumin pharmacokinetics. It is beneficial to the further study of curcumin and provides new ideas and insights for the development of curcumin anti-inflammatory preparations.
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Affiliation(s)
- Ying Peng
- State Key Laboratory of Southwestern Chinese Medicine Resources; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China
| | - Mingyue Ao
- State Key Laboratory of Southwestern Chinese Medicine Resources; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China
| | - Baohua Dong
- State Key Laboratory of Southwestern Chinese Medicine Resources; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China
| | - Yunxiu Jiang
- State Key Laboratory of Southwestern Chinese Medicine Resources; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China
| | - Lingying Yu
- State Key Laboratory of Southwestern Chinese Medicine Resources; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China
| | - Zhimin Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China
| | - Changjiang Hu
- State Key Laboratory of Southwestern Chinese Medicine Resources; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China.,Neo-Green Pharmaceutical Co., Ltd., Chengdu, People's Republic of China
| | - Runchun Xu
- State Key Laboratory of Southwestern Chinese Medicine Resources; Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, People's Republic of China
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4
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Morshedi K, Borran S, Ebrahimi MS, Masoud Khooy MJ, Seyedi ZS, Amiri A, Abbasi-Kolli M, Fallah M, Khan H, Sahebkar A, Mirzaei H. Therapeutic effect of curcumin in gastrointestinal cancers: A comprehensive review. Phytother Res 2021; 35:4834-4897. [PMID: 34173992 DOI: 10.1002/ptr.7119] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 02/18/2021] [Accepted: 03/26/2021] [Indexed: 12/11/2022]
Abstract
Gastrointestinal (GI) cancers with a high global prevalence are a leading cause of morbidity and mortality. Accordingly, there is a great need to develop efficient therapeutic approaches. Curcumin, a naturally occurring agent, is a promising compound with documented safety and anticancer activities. Recent studies have demonstrated the activity of curcumin in the prevention and treatment of different cancers. According to systematic studies on curcumin use in various diseases, it can be particularly effective in GI cancers because of its high bioavailability in the gastrointestinal tract. Nevertheless, the clinical applications of curcumin are largely limited because of its low solubility and low chemical stability in water. These limitations may be addressed by the use of relevant analogues or novel delivery systems. Herein, we summarize the pharmacological effects of curcumin against GI cancers. Moreover, we highlight the application of curcumin's analogues and novel delivery systems in the treatment of GI cancers.
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Affiliation(s)
- Korosh Morshedi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Sarina Borran
- School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | | | - Zeynab Sadat Seyedi
- Department of Cell and Molecular Biology, Faculty of Chemistry, University of Kashan, Kashan, Iran
| | - Atefeh Amiri
- Department of Medical Biotechnology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Abbasi-Kolli
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Maryam Fallah
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University, Mardan, Pakistan
| | - Amirhossein Sahebkar
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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Protective Effects of a Lutein Ester Prodrug, Lutein Diglutaric Acid, against H 2O 2-Induced Oxidative Stress in Human Retinal Pigment Epithelial Cells. Int J Mol Sci 2021; 22:ijms22094722. [PMID: 33946898 PMCID: PMC8125252 DOI: 10.3390/ijms22094722] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/26/2021] [Accepted: 04/26/2021] [Indexed: 12/21/2022] Open
Abstract
Oxidative stress-induced cell damage and death of the retinal pigmented epithelium (RPE), a polarized monolayer that maintains retinal health and homeostasis, lead to the development of age-related macular degeneration (AMD). Several studies show that the naturally occurring antioxidant Lutein (Lut) can protect RPE cells from oxidative stress. However, the poor solubility and low oral bioavailability limit the potential of Lut as a therapeutic agent. In this study, lutein diglutaric acid (Lut-DG), a prodrug of Lut, was synthesized and its ability to protect human ARPE-19 cells from oxidative stress was tested compared to Lut. Both Lut and Lut-DG significantly decreased H2O2-induced reactive oxygen species (ROS) production and protected RPE cells from oxidative stress-induced death. Moreover, the immunoblotting analysis indicated that both drugs exerted their protective effects by modulating phosphorylated MAPKs (p38, ERK1/2 and SAPK/JNK) and downstream molecules Bax, Bcl-2 and Cytochrome c. In addition, the enzymatic antioxidants glutathione peroxidase (GPx) and catalase (CAT) and non-enzymatic antioxidant glutathione (GSH) were enhanced in cells treated with Lut and Lut-DG. In all cases, Lut-DG was more effective than its parent drug against oxidative stress-induced damage to RPE cells. These findings highlight Lut-DG as a more potent compound than Lut with the protective effects against oxidative stress in RPE cells through the modulation of key MAPKs, apoptotic and antioxidant molecular pathways.
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Limcharoen T, Muangnoi C, Dasuni Wasana PW, Hasriadi, Vajragupta O, Rojsitthisak P, Towiwat P. Improved antiallodynic, antihyperalgesic and anti-inflammatory response achieved through potential prodrug of curcumin, curcumin diethyl diglutarate in a mouse model of neuropathic pain. Eur J Pharmacol 2021; 899:174008. [PMID: 33705800 DOI: 10.1016/j.ejphar.2021.174008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 02/20/2021] [Accepted: 02/28/2021] [Indexed: 12/17/2022]
Abstract
Neuropathic pain is a debilitating chronic pain condition, and its treatment remains a clinical challenge. Curcumin, a naturally occurring phenolic compound, possesses diverse biological and pharmacological effects but has not yet been approved as a drug due to its low bioavailability. In order to overcome this limitation, we synthesized a potential ester prodrug of curcumin, curcumin diethyl diglutarate (CurDDG). In this study, we evaluated the pharmacological advantages of CurDDG over curcumin in a mouse model of chronic constriction injury (CCI), and the anti-inflammatory effect of CurDDG in LPS-induced RAW 264.7 macrophage cells was accessed to clarify the underline mechanism. Mice were treated with various oral doses of curcumin (25, 50, 100 and 200 mg/kg/day, daily for 14 days) or equimolar doses of CurDDG. CurDDG at all doses tested significantly attenuated CCI-induced thermal hyperalgesia and mechanical allodynia compared with the CCI-control group. CurDDG at 25, 50 and 100 mg/kg demonstrated significantly greater efficacy on both mechanical and thermal hypersensitivities compared to that of curcumin. The effect of CurDDG correlated well with the inhibition of TNF-α and IL-6 levels in both the sciatic nerve and the spinal cord, as compared to its respective control groups. Similarly, in the in vitro study, CurDDG significantly reduced the LPS-induced expression of TNF-α and IL-6. Moreover, CurDDG significantly decreased COX-2 and iNOS levels and attenuated p38, JNK, and ERK1/2 phosphorylation as compared to the curcumin-treated cells. Altogether, this study demonstrated the improved pharmacological effects of curcumin by its diglutarate conjugate, CurDDG.
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Affiliation(s)
- Thanchanok Limcharoen
- Inter-Department Program of Pharmacology, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Chawanphat Muangnoi
- Institute of Nutrition, Mahidol University, Salaya, Nakhon Pathom, 73170, Thailand
| | - Peththa Wadu Dasuni Wasana
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Hasriadi
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Opa Vajragupta
- Research Affairs, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pornchai Rojsitthisak
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand; Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pasarapa Towiwat
- Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, 10330, Thailand; Department of Pharmacology and Physiology, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand.
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7
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Sorasitthiyanukarn FN, Muangnoi C, Rojsitthisak P, Rojsitthisak P. Chitosan-alginate nanoparticles as effective oral carriers to improve the stability, bioavailability, and cytotoxicity of curcumin diethyl disuccinate. Carbohydr Polym 2020; 256:117426. [PMID: 33483016 DOI: 10.1016/j.carbpol.2020.117426] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 10/08/2020] [Accepted: 11/17/2020] [Indexed: 02/08/2023]
Abstract
Curcumin diethyl disuccinate (CDD) is an ester prodrug of curcumin that has better chemical stability in phosphate buffer (pH 7.4) and anticancer activities against MDA-MB-231 human breast cancer cells and Caco-2 cells than curcumin. However, a major drawback of CDD is its poor water solubility and low bioavailability in the gastrointestinal tract. To overcome these problems, a nanoformulation was developed using chitosan/alginate nanoparticles (CANPs) under the optimal condition as previously derived by statistical optimization. The CDD-loaded CANPs (CDD-CANPs) were found to exhibit good stability after exposure to simulated digestive fluids and ultraviolet light, and a sustained-release profile of CDD in the simulated digestive and body fluids. The in vitro release pattern fitted well to the Peppas-Sahlin model, indicating that the release of CDD was mainly governed by diffusion. Compared to free CDD, the CDD-CANPs showed better stability, bioaccessibility, bioavailability, cellular uptake, and cytotoxicity against HepG2 cells.
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Affiliation(s)
- Feuangthit Niyamissara Sorasitthiyanukarn
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok 10330, Thailand; Natural Products for Ageing and Chronic Diseases Research Unit, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Chawanphat Muangnoi
- Natural Products for Ageing and Chronic Diseases Research Unit, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; Institute of Nutrition, Mahidol University, Nakhon Pathom 73170, Thailand.
| | - Pornchai Rojsitthisak
- Natural Products for Ageing and Chronic Diseases Research Unit, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
| | - Pranee Rojsitthisak
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Bangkok 10330, Thailand; Natural Products for Ageing and Chronic Diseases Research Unit, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
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8
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Jithavech P, Ratnatilaka Na Bhuket P, Supasena W, Qiu G, Ye S, Wu J, Wong TW, Rojsitthisak P. In Vitro Hepatic Metabolism of Curcumin Diethyl Disuccinate by Liver S9 from Different Animal Species. Front Pharmacol 2020; 11:577998. [PMID: 33312126 PMCID: PMC7703437 DOI: 10.3389/fphar.2020.577998] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 09/21/2020] [Indexed: 12/22/2022] Open
Abstract
Liver S9 (LS9) is a nearly complete collection of all hepatic drug-metabolizing enzymes. It is a low-cost model for predicting drug metabolic activity. This study aimed to identify the suitability of using LS9 of different animal sources in drug metabolism profiling with respect to the possible translation of the in vitro outcomes to clinical studies. The in vitro hepatic metabolism of curcumin diethyl disuccinate (CDD) in LS9 of rats, dogs, monkeys, and humans was evaluated. The identity of CDD metabolites and the metabolism kinetic parameters, including degradation rate constant, in vitro/in vivo intrinsic clearance, and half-life, were determined. CDD was rapidly metabolized into monoethylsuccinyl curcumin and curcumin in LS9 of all tested species mainly by carboxylesterases (CESs), including CES1 and CES2, and butyrylcholinesterase. The in vitro intrinsic clearance of CDD was in the order of human > dog > monkey > rat, whereas that of monoethylsuccinyl curcumin in the order of dog > monkey > human > rat; this parameter was not correlated with their respective in vivo clearance, which followed the order of dog > monkey > rat > human. Therefore, in vitro drug metabolism data inferred from LS9 of nonhuman origin, especially from monkeys and dogs, cannot be used as preclinical data for human trials, as humans have a smaller liver-to-body weight ratio than monkeys, dogs, and rats. The in vivo drug metabolism is dictated by the anatomical factors of the test subject.
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Affiliation(s)
- Ponsiree Jithavech
- Pharmaceutical Chemistry and Natural Products Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
- Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, Thailand
| | | | - Wiwat Supasena
- Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, Thailand
| | - Guanyinsheng Qiu
- College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing, China
| | - Shengqing Ye
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University, Taizhou, China
| | - Jie Wu
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University, Taizhou, China
| | - Tin Wui Wong
- Non-Destructive Biomedical and Pharmaceutical Research Centre, iPROMISE, Universiti Teknologi MARA, Puncak Alam, Malaysia
| | - Pornchai Rojsitthisak
- Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, Thailand
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, Thailand
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9
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Co-administration of Pregabalin and Curcumin Synergistically Decreases Pain-Like Behaviors in Acute Nociceptive Pain Murine Models. Molecules 2020; 25:molecules25184172. [PMID: 32933086 PMCID: PMC7570647 DOI: 10.3390/molecules25184172] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/04/2020] [Accepted: 09/08/2020] [Indexed: 01/17/2023] Open
Abstract
Analgesic drugs in a combination-form can achieve greater efficacy with lesser side effects compared to either drug alone. The combination of drugs acting at different targets or mechanisms of action has been recognized as an alternative approach for achieving optimal analgesia. In this study, the analgesic effects of pregabalin (30, 60, 100, 200 mg/kg), curcumin (15, 30, 60, 100, 120 mg/kg), and 1:1 fixed-dose ratio of the pregabalin-curcumin combination were assessed using two acute nociceptive pain models, the acetic acid-induced writhing and tail-flick tests in mice. The pregabalin-curcumin combination produced a dose-dependent decrease in mean of writhes and an increase in the percentage of antinociception by the acetic acid-induced writhing test. In the tail-flick test, the combination also showed an improvement in antinociception indicated by the tail-flick latency, % antinociception, and area under the curve (AUC). Isobolographic analysis of interactions demonstrated a significant synergistic interaction effect between pregabalin and curcumin in both acute nociceptive pain models with the experimental ED50 below the predicted additive line and the combination index < 1. These findings demonstrate that the combination of pregabalin and curcumin exhibits a synergistic interaction in mouse models of acute nociceptive pain.
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10
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Ratnatilaka Na Bhuket P, Wichitnithad W, Sudtanon O, Rojsitthisak P. A stability-indicating UPLC method for the determination of curcumin diethyl disuccinate, an ester prodrug of curcumin, in raw materials. Heliyon 2020; 6:e04561. [PMID: 32904269 PMCID: PMC7452553 DOI: 10.1016/j.heliyon.2020.e04561] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/05/2020] [Accepted: 07/22/2020] [Indexed: 12/12/2022] Open
Abstract
A stability-indicating reversed-phase ultra-performance liquid chromatographic (UPLC) method for quantitative analysis of curcumin diethyl disuccinate (CDD) in raw materials was developed for applications in product development and quality control. Chromatographic separation was performed using the Waters ACQUITY UPLC® H-Class system consisting of an ACQUITY UPLC® BEH C18 (1.7 μm, 2.1 × 50 mm) column and a photodiode array detector set at a wavelength of 400 nm. The mobile phase consisting of 2%v/v acetic acid in water and acetonitrile was delivered at a flow rate of 0.3 mL/min under gradient elution program. The method was validated according to the ICH Q2(R1) guideline for the validation of analytical procedures. The method was found to be linear over the concentration range of 8-12 μg/mL with the coefficient of determination >0.995. The accuracy of the method established as %recovery ranged from 98.3 - 100.8%. The precision of the method expressed as %CV was found to be <1%. The coelution of degradation products from six stress test conditions was not observed. The method was robust under the variation of chromatographic parameters. The method was successfully applied in the determination of CDD content in raw materials.
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Affiliation(s)
| | - Wisut Wichitnithad
- Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Analytical Development, Pharma Nueva Co., Ltd., Bangkok, 10900, Thailand
| | - Orawan Sudtanon
- Department of Analytical Development, Pharma Nueva Co., Ltd., Bangkok, 10900, Thailand
| | - Pornchai Rojsitthisak
- Natural Products for Ageing and Chronic Diseases Research Unit, Chulalongkorn University, Bangkok, 10330, Thailand
- Department of Food and Pharmaceutical Chemistry, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
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