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Hamblet C, Björhall K, Busch S, Gehrmann U, Öberg L, Kubisch-Dohmen R, Haas S, Aneja MK, Geiger J, Rudolph C, Hornberg E. Transcriptional Dynamics of NRF2 Overexpression and KEAP1-NRF2 Inhibitors in Human Cell Line and Primary Lung Cells. Antioxidants (Basel) 2024; 13:924. [PMID: 39199170 PMCID: PMC11351141 DOI: 10.3390/antiox13080924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 09/01/2024] Open
Abstract
Oxidative stress in the human lung is caused by both internal (e.g., inflammation) and external stressors (smoking, pollution, and infection) to drive pathology in a number of lung diseases. Cellular damage caused by oxidative damage is reversed by several pathways, one of which is the antioxidant response. This response is regulated by the transcriptional factor NRF2, which has the ability to regulate the transcription of more than 250 genes. In disease, this balance is overwhelmed, and the cells are unable to return to homeostasis. Several pharmacological approaches aim to improve the antioxidant capacity by inhibiting the interaction of NRF2 with its key cytosolic inhibitor, KEAP1. Here, we evaluate an alternative approach by overexpressing NRF2 from chemically modified RNAs (cmRNAs). Our results demonstrate successful expression of functional NRF2 protein in human cell lines and primary cells. We establish a kinetic transcriptomic profile to compare antioxidant response gene expression after treatment of primary human bronchial epithelial cells with either KEAP1 inhibitors or cmRNAs. The key gene signature is then applied to primary human lung fibroblasts and alveolar macrophages to uncover transcriptional preferences in each cell system. This study provides a foundation for the understanding of NRF2 dynamics in the human lung and provides initial evidence of alternative ways for pharmacological interference.
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Affiliation(s)
- Corinne Hamblet
- Bioscience Chronic Obstructive Pulmonary Disease & Idiopathic Pulmonary Fibrosis, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, 431 83 Mölndal, Sweden
| | - Karin Björhall
- Bioscience Chronic Obstructive Pulmonary Disease & Idiopathic Pulmonary Fibrosis, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, 431 83 Mölndal, Sweden
| | - Susann Busch
- Respiratory & Immunology, Neuroscience, Vaccines and Immune Therapies Safety, Clinical Pharmacology & Safety Sciences, R&D, AstraZeneca, 431 83 Mölndal, Sweden
| | - Ulf Gehrmann
- Translational Science and Experimental Medicine Research, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, 431 83 Mölndal, Sweden
| | - Lisa Öberg
- Translational Science and Experimental Medicine Research, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, 431 83 Mölndal, Sweden
| | | | | | | | | | | | - Ellinor Hornberg
- Projects and Early Development, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, 431 83 Mölndal, Sweden
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2
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Ma C, Li H, Lu S, Li X. Thyroid-associated ophthalmopathy: the role of oxidative stress. Front Endocrinol (Lausanne) 2024; 15:1400869. [PMID: 39055057 PMCID: PMC11269105 DOI: 10.3389/fendo.2024.1400869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 06/28/2024] [Indexed: 07/27/2024] Open
Abstract
Thyroid-associated ophthalmopathy (TAO) is an autoimmune condition affecting the eyes, characterized by proptosis, extraocular muscle involvement, and in severe cases, vision impairment including diplopia, optic neuropathy, and potential blindness. The exact etiology of TAO remains elusive; however, increased oxidative stress and decreased antioxidant capacity are pivotal in its pathogenesis. Elevated oxidative stress not only directly damages orbital tissues but also influences thyroid function and autoimmune responses, exacerbating tissue destruction. This review explores the role of oxidative stress in TAO, elucidates its mechanisms, and evaluates the efficacy and limitations of antioxidant therapies in managing TAO. The findings aim to enhance understanding of oxidative stress mechanisms in TAO and propose potential antioxidant strategies for future therapeutic development.
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Affiliation(s)
- Chao Ma
- Department of Ophthalmology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Haoyu Li
- Department of Ophthalmology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Hunan Clinical Research Centre of Ophthalmic Disease, Changsha, Hunan, China
| | - Shuwen Lu
- Department of Ophthalmology, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | - Xian Li
- Manchester Royal Eye Hospital, Manchester University NHS Foundation Trust, Manchester, United Kingdom
- Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, United Kingdom
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3
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Liu W, Liu R, Qin Q, Wang H, Zhang X, Meng G. Molecular docking and molecular dynamics simulation of wheat gluten-derived antioxidant peptides acting through the Keap1-Nrf2 pathway. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 38837798 DOI: 10.1002/jsfa.13647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 05/03/2024] [Accepted: 05/16/2024] [Indexed: 06/07/2024]
Abstract
BACKGROUND In our previous study, we successfully identified five peptides from wheat gluten: Ala-Pro-Ser-Tyr (APSY), Leu-Tyr (LY), Pro-Tyr (PY), Arg-Gly-Gly-Tyr (RGGY) and Tyr-Gln (YQ). Molecular docking and molecular dynamics simulation methods were employed to investigate the interaction between these antioxidant peptides and the Kelch-like ECH-associated protein 1 (Keap1 protein), revealing the molecular mechanism of their non-competitive binding. In addition, the total antioxidant capacity of the five peptides was determined using the 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS) method. RESULTS The affinities of APSY, LY, PY, RGGY and YQ were -8.9, -8.3, -8.5, -9.1 and - 7.9 kcal mol-1, respectively. The five peptides effectively bound to Keap1 protein through hydrogen, π-σ, π-alkyl and alkyl interactions. Significant roles were observed for the P1 pocket residue ARG-415 and the P3 pocket residue ALA-556 in the interactions of the Keap1-peptide complexes. Molecular dynamics simulations further elucidated the dynamic process of peptide binding to the Keap1 protein. All five peptides formed stable complexes with Keap1 protein, with van der Waals forces playing crucial roles in these complex systems, indicative of the peptides' strong binding ability to Keap1 protein. The van der Waals forces were -178.74, -123.11, -134.36, -132.59, and -121.44 kJ mol-1 for the Keap1-APSY, Keap1-LY, Keap1-PY, Keap1-RGGY and Keap1-YQ complexes, respectively. These peptides exhibited excellent antioxidant effects. Among them, the YQ peptide exhibited the highest total antioxidant capacity, with an activity value of 1.18 ± 0.06 mmol Trolox equivalent (TE) L-1 at a concentration of 0.10 mg mL-1. The RGGY, PY, LY and APSY peptides followed in descending order, with activity values of 0.91 ± 0.05, 0.72 ± 0.06, 0.62 ± 0.04 and 0.60 ± 0.05 mmol TE L-1, respectively. CONCLUSION These results unveiled the molecular mechanism by which the five antioxidant peptides act on active pockets through the Keap1-Nrf2 signaling pathway, providing a theoretical basis for the development of antioxidants. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Wenying Liu
- Engineering Laboratory for Agro Biomass Recycling and Valorizing, College of Engineering, China Agricultural University, Beijing, People's Republic of China
| | - Rui Liu
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co., Ltd, Beijing, People's Republic of China
| | - Qingyu Qin
- Engineering Laboratory for Agro Biomass Recycling and Valorizing, College of Engineering, China Agricultural University, Beijing, People's Republic of China
| | - Hualei Wang
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co., Ltd, Beijing, People's Republic of China
| | - Xinxue Zhang
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co., Ltd, Beijing, People's Republic of China
| | - Ganlu Meng
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries Co., Ltd, Beijing, People's Republic of China
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Shang NY, Huang LJ, Lan JQ, Kang YY, Tang JS, Wang HY, Li XN, Sun Z, Chen QY, Liu MY, Wen ZP, Feng XH, Wu L, Peng Y. PHPB ameliorates memory deficits and reduces oxidative injury in Alzheimer's disease mouse model by activating Nrf2 signaling pathway. Acta Pharmacol Sin 2024; 45:1142-1159. [PMID: 38409216 PMCID: PMC11130211 DOI: 10.1038/s41401-024-01240-9] [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: 10/13/2023] [Accepted: 02/06/2024] [Indexed: 02/28/2024] Open
Abstract
Alzheimer's disease (AD), a progressive neurodegenerative disorder, is the most common cause of dementia in elderly people and substantially affects patient quality of life. Oxidative stress is considered a key factor in the development of AD. Nrf2 plays a vital role in maintaining redox homeostasis and regulating neuroinflammatory responses in AD. Previous studies show that potassium 2-(1-hydroxypentyl)-benzoate (PHPB) exerts neuroprotective effects against cognitive impairment in a variety of dementia animal models such as APP/PS1 transgenic mice. In this study we investigated whether PHPB ameriorated the progression of AD by reducing oxidative stress (OS) damage. Both 5- and 13-month-old APP/PS1 mice were administered PHPB (100 mg·kg-1·d-1, i.g.) for 10 weeks. After the cognition assessment, the mice were euthanized, and the left hemisphere of the brain was harvested for analyses. We showed that 5-month-old APP/PS1 mice already exhibited impaired performance in the step-down test, and knockdown of Nrf2 gene only slightly increased the impairment, while knockdown of Nrf2 gene in 13-month-old APP/PS1 mice resulted in greatly worse performance. PHPB administration significantly ameliorated the cognition impairments and enhanced antioxidative capacity in APP/PS1 mice. In addition, PHPB administration significantly increased the p-AKT/AKT and p-GSK3β/GSK3β ratios and the expression levels of Nrf2, HO-1 and NQO-1 in APP/PS1 mice, but these changes were abolished by knockdown of Nrf2 gene. In SK-N-SH APPwt cells and primary mouse neurons, PHPB (10 μM) significantly increased the p-AKT/AKT and p-GSK3β/GSK3β ratios and the level of Nrf2, which were blocked by knockdown of Nrf2 gene. In summary, this study demonstrates that PHPB exerts a protective effect via the Akt/GSK3β/Nrf2 pathway and it might be a promising neuroprotective agent for the treatment of AD.
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Affiliation(s)
- Nian-Ying Shang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Long-Jian Huang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Jia-Qi Lan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Yu-Ying Kang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Jing-Shu Tang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Hong-Yue Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Xin-Nan Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Zhuo Sun
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Qiu-Yu Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Meng-Yao Liu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Zi-Peng Wen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Xin-Hong Feng
- Department of Neurology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, 102218, China
| | - Lei Wu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Ying Peng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China.
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5
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Wang T, Hu L, Li R, Ren H, Li S, Sun Q, Ding X, Li Y, Wang C, Li L. Hyperoside inhibits EHV-8 infection via alleviating oxidative stress and IFN production through activating JNK/Keap1/Nrf2/HO-1 signaling pathways. J Virol 2024; 98:e0015924. [PMID: 38499512 PMCID: PMC11019850 DOI: 10.1128/jvi.00159-24] [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: 01/26/2024] [Accepted: 02/29/2024] [Indexed: 03/20/2024] Open
Abstract
Equine herpesvirus type 8 (EHV-8) causes abortion and respiratory disease in horses and donkeys, leading to serious economic losses in the global equine industry. Currently, there is no effective vaccine or drug against EHV-8 infection, underscoring the need for a novel antiviral drug to prevent EHV-8-induced latent infection and decrease the pathogenicity of this virus. The present study demonstrated that hyperoside can exert antiviral effects against EHV-8 infection in RK-13 (rabbit kidney cells), MDBK (Madin-Darby bovine kidney), and NBL-6 cells (E. Derm cells). Mechanistic investigations revealed that hyperoside induces heme oxygenase-1 expression by activating the c-Jun N-terminal kinase/nuclear factor erythroid-2-related factor 2/Kelch-like ECH-associated protein 1 axis, alleviating oxidative stress and triggering a downstream antiviral interferon response. Accordingly, hyperoside inhibits EHV-8 infection. Meanwhile, hyperoside can also mitigate EHV-8-induced injury in the lungs of infected mice. These results indicate that hyperoside may serve as a novel antiviral agent against EHV-8 infection.IMPORTANCEHyperoside has been reported to suppress viral infections, including herpesvirus, hepatitis B virus, infectious bronchitis virus, and severe acute respiratory syndrome coronavirus 2 infection. However, its mechanism of action against equine herpesvirus type 8 (EHV-8) is currently unknown. Here, we demonstrated that hyperoside significantly inhibits EHV-8 adsorption and internalization in susceptible cells. This process induces HO-1 expression via c-Jun N-terminal kinase/nuclear factor erythroid-2-related factor 2/Kelch-like ECH-associated protein 1 axis activation, alleviating oxidative stress and triggering an antiviral interferon response. These findings indicate that hyperoside could be very effective as a drug against EHV-8.
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Affiliation(s)
- Tongtong Wang
- College of Agronomy, Liaocheng University, Liaocheng, China
| | - Leyu Hu
- College of Agronomy, Liaocheng University, Liaocheng, China
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Ruibo Li
- College of Agronomy, Liaocheng University, Liaocheng, China
| | - Huiying Ren
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao, China
| | - Shuwen Li
- College of Agronomy, Liaocheng University, Liaocheng, China
| | - Qi Sun
- College of Agronomy, Liaocheng University, Liaocheng, China
| | - Xiangdan Ding
- College of Agronomy, Liaocheng University, Liaocheng, China
| | - Yubao Li
- College of Agronomy, Liaocheng University, Liaocheng, China
| | - Changfa Wang
- College of Agronomy, Liaocheng University, Liaocheng, China
| | - Liangliang Li
- College of Agronomy, Liaocheng University, Liaocheng, China
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6
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Mao H, Feng Y, Feng J, Yusufu Y, Sun M, Yang L, Jiang Q. Quercetin-3-O-β-D-glucuronide attenuates osteoarthritis by inhibiting cartilage extracellular matrix degradation and inflammation. J Orthop Translat 2024; 45:236-246. [PMID: 38601200 PMCID: PMC11004501 DOI: 10.1016/j.jot.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 01/21/2024] [Accepted: 01/31/2024] [Indexed: 04/12/2024] Open
Abstract
Objective Osteoarthritis (OA) is a chronic degenerative joint disease characterized by cartilage damage. In order to find a safer and more effective drug to treat OA, we investigated the role of quercetin-3-O-β-D-glucuronide (Q3GA) in OA. Methods We used qRT-PCR and western blots to detect the effects of Q3GA on extracellular matrix (ECM) and inflammation related genes and proteins in interleukin-1β (IL-1β) induced chondrocytes. We determined the effect of Q3GA on the NF-κB pathway using western blots and immunofluorescence. Moreover, the effect of Q3GA on the Nrf2 pathway was evaluated through molecular docking, western blots, and immunofluorescence experiments and further validated by transfection with Nrf2 siRNA. Subsequently, we established a rat model of OA and injected Q3GA into the joint cavity for treatment. After 5 weeks of Q3GA administration, samples were obtained for micro-computed tomography scanning and histopathological staining to determine the effects of Q3GA on OA rats. Results We found that Q3GA reduced the degradation of ECM and the expression of inflammatory related proteins and genes in primary chondrocytes of rats induced by IL-1β, as well as the expression of nitric oxide (NO) and reactive oxygen species (ROS). It inhibited the activation of the NF-κB pathway by increasing the expression of Nrf2 in the nucleus. In addition, Q3GA inhibited cartilage degradation in OA rats and promoted cartilage repair. Conclusion Q3GA attenuates OA by inhibiting ECM degradation and inflammation via the Nrf2/NF-κB axis. The translational potential of this article The results of our study demonstrate the promising potential of Q3GA as a candidate drug for the treatment of OA and reveal its key mechanisms.
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Affiliation(s)
- Haijun Mao
- Department of Orthopedic Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008, China
| | - Yanwei Feng
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Juan Feng
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Yalikun Yusufu
- Department of Orthopedic Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008, China
- Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210008, China
- Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, China
| | - Minghui Sun
- Department of Orthopedic Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008, China
- Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210008, China
- Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, China
| | - Lei Yang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Qing Jiang
- Department of Orthopedic Surgery, Nanjing Drum Tower Hospital Clinical College of Nanjing Medical University, Nanjing, 210008, China
- Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Medical School, Nanjing University, Nanjing, 210008, China
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210008, China
- Branch of National Clinical Research Center for Orthopedics, Sports Medicine and Rehabilitation, China
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7
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Fan C, Zhang Z, Lai Z, Yang Y, Li J, Liu L, Chen S, Hu X, Zhao H, Cui S. Chemical Evolution and Biological Evaluation of Natural Products for Efficient Therapy of Acute Lung Injury. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2305432. [PMID: 38126681 PMCID: PMC10870070 DOI: 10.1002/advs.202305432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/01/2023] [Indexed: 12/23/2023]
Abstract
Acute lung injury (ALI) is one of the most common complications in COVID-19 and also a syndrome of acute respiratory failure with high mortality rates, but lacks effective therapeutic drugs. Natural products provide inspiration and have proven to be the most valuable source for bioactive molecule discovery. In this study, the chemical evolution of the natural product Tanshinone IIA (Tan-IIA) to achieve a piperidine-fused scaffold through a synthetic route of pre-activation, multi-component reaction, and post-modification is presented. Through biological evaluation, it is pinpointed that compound 8b is a standout candidate with remarkable anti-inflammation and anti-oxidative stress properties, coupled with low toxicity. The mechanistic study unveils a multifaceted biological profile of 8b and shows that 8b is highly efficient in vivo for the treatment of ALI. Therefore, this work not only provides an effective strategy for the treatment of ALI, but also offers a distinctive natural product-inspired drug discovery.
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Affiliation(s)
- Chengcheng Fan
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Zeyi Zhang
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Zhencheng Lai
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Yanzi Yang
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Jiaming Li
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Lei Liu
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Siyu Chen
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
| | - Xueping Hu
- Institute of Molecular Sciences and EngineeringInstitute of Frontier and Interdisciplinary ScienceShandong UniversityQingdao266237China
| | - Huajun Zhao
- College of Pharmaceutical SciencesZhejiang Chinese Medical UniversityHangzhou311402China
| | - Sunliang Cui
- Institute of Drug Discovery and DesignCollege of Pharmaceutical SciencesNational Key Laboratory of Advanced Drug Delivery and Release SystemsZhejiang University866 Yuhangtang RoadHangzhou310058China
- Jinhua Institute of Zhejiang UniversityJinhuaZhejiang321299China
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8
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Wang J, Cao Y, Lu Y, Zhu H, Zhang J, Che J, Zhuang R, Shao J. Recent progress and applications of small molecule inhibitors of Keap1-Nrf2 axis for neurodegenerative diseases. Eur J Med Chem 2024; 264:115998. [PMID: 38043492 DOI: 10.1016/j.ejmech.2023.115998] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/18/2023] [Accepted: 11/23/2023] [Indexed: 12/05/2023]
Abstract
The Kelch-like ECH-associated protein 1 (Keap1)-nuclear factor erythroid 2-related factor 2 (Nrf2) pathway serves as a crucial regulator against oxidative stress (OS) damage in various cells and organs. It has garnered significant attention as a potential therapeutic target for neurodegenerative diseases (NDD). Although progress has been achieved in strategies to regulate the Keap1-Nrf2 pathway, the availability of Nrf2 activators applicable to NDD is currently limited. Currently, the FDA has approved the Nrf2 activators dimethyl fumarate (DMF) and Omaveloxolone (Omav) as novel first-line oral drugs for the treatment of patients with relapsing forms of multiple sclerosis and Friedreich's ataxia. A promising alternative approach involves the direct inhibition of Keap1-Nrf2 protein-protein interactions (PPI), which offers numerous advantages over the use of electrophilic Nrf2 activators, primarily in avoiding off-target effects. This review examines the compelling evidence supporting the beneficial role of Nrf2 in NDD and explores the potential of Keap1 inhibitors and Keap1-Nrf2 PPI inhibitors as therapeutic agents, with the aim to provide further insights into the development of inhibitors targeting this pathway for the treatment of NDD.
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Affiliation(s)
- Jing Wang
- School of Medicine, Hangzhou City University, Hangzhou, 310015, Zhejiang Province, China; Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, China; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang Province, China
| | - Yu Cao
- Department of Pharmaceutical Preparation, Hangzhou Xixi Hospital, Hangzhou, 310023, China
| | - Yang Lu
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang Province, China
| | - Huajian Zhu
- School of Medicine, Hangzhou City University, Hangzhou, 310015, Zhejiang Province, China; Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, China; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang Province, China
| | - Jiankang Zhang
- School of Medicine, Hangzhou City University, Hangzhou, 310015, Zhejiang Province, China; Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, China; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang Province, China
| | - Jinxin Che
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang Province, China.
| | - Rangxiao Zhuang
- Department of Pharmaceutical Preparation, Hangzhou Xixi Hospital, Hangzhou, 310023, China.
| | - Jiaan Shao
- School of Medicine, Hangzhou City University, Hangzhou, 310015, Zhejiang Province, China; Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, School of Medicine, Hangzhou City University, China; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang Province, China.
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Al-Kuraishy HM, Al-Gareeb AI, Eldahshan OA, Abdelkhalek YM, El Dahshan M, Ahmed EA, Sabatier JM, Batiha GES. The possible role of nuclear factor erythroid-2-related factor 2 activators in the management of Covid-19. J Biochem Mol Toxicol 2024; 38:e23605. [PMID: 38069809 DOI: 10.1002/jbt.23605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 07/06/2023] [Accepted: 11/21/2023] [Indexed: 01/18/2024]
Abstract
COVID-19 is caused by a novel SARS-CoV-2 leading to pulmonary and extra-pulmonary manifestations due to oxidative stress (OS) development and hyperinflammation. COVID-19 is primarily asymptomatic though it may cause acute lung injury (ALI), acute respiratory distress syndrome (ARDS), systemic inflammation, and thrombotic events in severe cases. SARS-CoV-2-induced OS triggers the activation of different signaling pathways, which counterbalances this complication. One of these pathways is nuclear factor erythroid 2-related factor 2 (Nrf2), which induces a series of cellular interactions to mitigate SARS-CoV-2-mediated viral toxicity and OS-induced cellular injury. Nrf2 pathway inhibits the expression of pro-inflammatory cytokines and the development of cytokine storm in COVID-19. Therefore, Nrf2 activators may play an essential role in reducing SARS-CoV-2 infection-induced inflammation by suppressing NLRP3 inflammasome in COVID-19. Furthermore, Nrf2 activators can attenuate endothelial dysfunction (ED), renin-angiotensin system (RAS) dysregulation, immune thrombosis, and coagulopathy. Thus this mini-review tries to clarify the possible role of the Nrf2 activators in the management of COVID-19. Nrf2 activators could be an effective therapeutic strategy in the management of Covid-19. Preclinical and clinical studies are recommended in this regard.
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Affiliation(s)
- Hayder M Al-Kuraishy
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, Iraq
| | - Ali I Al-Gareeb
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, Iraq
| | - Omayma A Eldahshan
- Department of Pharmacognosy, Faculty of Pharmacy, Ain Shams University, Abbassia, Cairo, Egypt
| | | | - Magdy El Dahshan
- Department of Internal Medicine, Faculty of Medicine, Al Azhar University, Cairo, Egypt
| | - Eman A Ahmed
- Department of Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Jean-Marc Sabatier
- Institut de Neurophysiopathologie (INP), CNRS UMR 7051, Faculté des Sciences Médicales et Paramédicales, Aix-Marseille Université, Marseille, France
| | - Gaber E-S Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, AlBeheira, Egypt
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10
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Barreca M, Qin Y, Cadot MEH, Barraja P, Bach A. Advances in developing noncovalent small molecules targeting Keap1. Drug Discov Today 2023; 28:103800. [PMID: 37852355 DOI: 10.1016/j.drudis.2023.103800] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 09/28/2023] [Accepted: 10/11/2023] [Indexed: 10/20/2023]
Abstract
Kelch-like ECH-associated protein 1 (Keap1) is a drug target for diseases involving oxidative stress and inflammation. There are three covalent Keap1-binding drugs on the market, but noncovalent compounds that inhibit the interaction between Keap1 and nuclear factor erythroid 2-related factor 2 (Nrf2) represent an attractive alternative. Both compound types prevent degradation of Nrf2, leading to the expression of antioxidant and antiinflammatory proteins. However, their off-target profiles differ as do their exact pharmacodynamic effects. Here, we discuss the opportunities and challenges of targeting Keap1 with covalent versus noncovalent inhibitors. We then provide a comprehensive overview of current noncovalent Keap1-Nrf2 inhibitors, with a focus on their pharmacological effects, to examine the therapeutic potential for this compound class.
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Affiliation(s)
- Marilia Barreca
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark; Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Yuting Qin
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Marie Elodie Hélène Cadot
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Paola Barraja
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Via Archirafi 32, 90123 Palermo, Italy
| | - Anders Bach
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark.
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11
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Adamson RJ, Payne NC, Bartual SG, Mazitschek R, Bullock AN. Structural and biochemical characterization establishes a detailed understanding of KEAP1-CUL3 complex assembly. Free Radic Biol Med 2023; 204:215-225. [PMID: 37156295 PMCID: PMC10564622 DOI: 10.1016/j.freeradbiomed.2023.04.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/22/2023] [Accepted: 04/28/2023] [Indexed: 05/10/2023]
Abstract
KEAP1 promotes the ubiquitin-dependent degradation of NRF2 by assembling into a CUL3-dependent ubiquitin ligase complex. Oxidative and electrophilic stress inhibit KEAP1 allowing NRF2 to accumulate for the transactivation of stress response genes. To date there are no structures of the KEAP1-CUL3 interaction nor binding data to show the contributions of different domains to their binding affinity. We determined a crystal structure of the BTB and 3-box domains of human KEAP1 in complex with the CUL3 N-terminal domain that showed a heterotetrameric assembly with 2:2 stoichiometry. To support the structural data, we developed a versatile TR-FRET-based assay system to profile the binding of BTB-domain-containing proteins to CUL3 and determine the contribution of distinct protein features, revealing the importance of the CUL3 N-terminal extension for high affinity binding. We further provide direct evidence that the investigational drug CDDO does not disrupt the KEAP1-CUL3 interaction, even at high concentrations, but reduces the affinity of KEAP1-CUL3 binding. The TR-FRET-based assay system offers a generalizable platform for profiling this protein class and may form a suitable screening platform for ligands that disrupt these interactions by targeting the BTB or 3-box domains to block E3 ligase function.
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Affiliation(s)
- Roslin J Adamson
- Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK
| | - N Connor Payne
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA; Department of Chemistry & Chemical Biology, Harvard University, Cambridge, MA, 02138, USA
| | - Sergio G Bartual
- Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK
| | - Ralph Mazitschek
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA, 02114, USA; Harvard T.H. Chan School of Public Health, Boston, MA, 02115, USA; Broad Institute of MIT and Harvard, Cambridge, MA, 02142, USA.
| | - Alex N Bullock
- Centre for Medicines Discovery, Nuffield Department of Medicine, University of Oxford, Oxford, OX3 7FZ, UK.
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12
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Rivera Rodríguez R, Johnson JJ. Terpenes: Modulating anti-inflammatory signaling in inflammatory bowel disease. Pharmacol Ther 2023; 248:108456. [PMID: 37247693 PMCID: PMC10527092 DOI: 10.1016/j.pharmthera.2023.108456] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/15/2023] [Accepted: 05/22/2023] [Indexed: 05/31/2023]
Abstract
Inflammatory Bowel Disease (IBD) are autoimmune diseases characterized by chronic intestinal inflammation. Considered a western disease, IBD incidence in newly developed countries is skyrocketing. Accordingly, global prevalence is steadily increasing. There are two major IBD phenotypes, ulcerative colitis (UC) and Crohn's disease (CD). UC manifests as uninterrupted inflammation localized in the colon and rectum. Meanwhile, CD presents as interrupted inflammation that can occur throughout the digestive tract. As a result, therapeutics have focused on anti-inflammatory approaches for its treatment. Unfortunately, only 50% of patients benefit from current Food and Drug Administration approved treatments, and all are associated with serious adverse effects. Thus, there is a need for safer and novel therapeutics to increase the efficacy in this population. One aspect that is critical in understanding IBD is how food and phytochemicals therein may be associated with modifying the pathogenesis of IBD. A variety of retrospective and prospective studies, and clinical trials have shown benefits of plant-rich diets on the prevention and symptomatic improvement of IBD. The Mediterranean diet is rich in vegetables, fruits, legumes, and herbs; and characterized by the abundance of anti-inflammatory phytochemicals. An understudied phytochemical class enriched in this diet is terpenes; isoprene-based molecules are widely available in Mediterranean herbs and citrus fruits. Various terpenes have been evaluated in different IBD models. However, some present contradictory or inconclusive results. Therefore, in this review we evaluated preclinical studies of terpenes modulating basic inflammatory signaling related to IBD.
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Affiliation(s)
- Rocío Rivera Rodríguez
- University of Illinois Chicago, College of Pharmacy, Department of Pharmaceutical Sciences, United States of America
| | - Jeremy James Johnson
- University of Illinois Chicago, College of Pharmacy, Department of Pharmacy Practice, United States of America.
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13
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Zhao Z, Dong R, You Q, Jiang Z. Medicinal Chemistry Insights into the Development of Small-Molecule Kelch-Like ECH-Associated Protein 1-Nuclear Factor Erythroid 2-Related Factor 2 (Keap1-Nrf2) Protein-Protein Interaction Inhibitors. J Med Chem 2023. [PMID: 37441735 DOI: 10.1021/acs.jmedchem.3c00712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
Oxidative stress has been implicated in a wide range of pathological conditions. The transcription factor nuclear factor erythroid 2-related factor 2 (Nrf2) exerts a central role in regulating the cellular defense system against oxidative and electrophilic insults. Nonelectrophilic inhibition of the protein-protein interaction (PPI) between Kelch-like ECH-associated protein 1 (Keap1) and Nrf2 has become a promising approach to activate Nrf2. Recently, multiple drug discovery strategies have facilitated the development of small-molecule Keap1-Nrf2 PPI inhibitors with potent activity and favorable drug-like properties. In this Perspective, we summarize the latest progress of small-molecule Keap1-Nrf2 PPI inhibitors from medicinal chemistry insights and discuss future prospects and challenges in this field.
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Affiliation(s)
- Ziquan Zhao
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Ruitian Dong
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Qidong You
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Zhengyu Jiang
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing 210009, China
- Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
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14
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DeBlasi JM, Falzone A, Caldwell S, Prieto-Farigua N, Prigge JR, Schmidt EE, Chio IIC, Karreth FA, DeNicola GM. Distinct Nrf2 Signaling Thresholds Mediate Lung Tumor Initiation and Progression. Cancer Res 2023; 83:1953-1967. [PMID: 37062029 PMCID: PMC10267679 DOI: 10.1158/0008-5472.can-22-3848] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/03/2023] [Accepted: 04/12/2023] [Indexed: 04/17/2023]
Abstract
Mutations in the KEAP1-NRF2 (Kelch-like ECH-associated protein 1-nuclear factor-erythroid 2 p45-related factor 2) pathway occur in up to a third of non-small cell lung cancer (NSCLC) cases and often confer resistance to therapy and poor outcomes. Here, we developed murine alleles of the KEAP1 and NRF2 mutations found in human NSCLC and comprehensively interrogated their impact on tumor initiation and progression. Chronic NRF2 stabilization by Keap1 or Nrf2 mutation was not sufficient to induce tumorigenesis, even in the absence of tumor suppressors, p53 or LKB1. When combined with KrasG12D/+, constitutive NRF2 activation promoted lung tumor initiation and early progression of hyperplasia to low-grade tumors but impaired their progression to advanced-grade tumors, which was reversed by NRF2 deletion. Finally, NRF2 overexpression in KEAP1 mutant human NSCLC cell lines was detrimental to cell proliferation, viability, and anchorage-independent colony formation. Collectively, these results establish the context-dependence and activity threshold for NRF2 during the lung tumorigenic process. SIGNIFICANCE Stabilization of the transcription factor NRF2 promotes oncogene-driven tumor initiation but blocks tumor progression, indicating distinct, threshold-dependent effects of the KEAP1/NRF2 pathway in different stages of lung tumorigenesis.
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Affiliation(s)
- Janine M. DeBlasi
- Department of Metabolism & Physiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
- Cancer Biology PhD Program, University of South Florida, Tampa, Florida
| | - Aimee Falzone
- Department of Metabolism & Physiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Samantha Caldwell
- Department of Metabolism & Physiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Nicolas Prieto-Farigua
- Department of Metabolism & Physiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Justin R. Prigge
- Microbiology & Cell Biology Department, Montana State University, Bozeman, Montana
| | - Edward E. Schmidt
- Microbiology & Cell Biology Department, Montana State University, Bozeman, Montana
| | - Iok In Christine Chio
- Department of Genetics and Development, Institute for Cancer Genetics, Columbia University Irving Medical Center, New York, New York
- Herbert Irving Comprehensive Cancer Center, Columbia University Irving Medical Center, New York, New York
| | - Florian A. Karreth
- Department of Molecular Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
| | - Gina M. DeNicola
- Department of Metabolism & Physiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, Florida
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15
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Yan J, Li Y, Ding L, Hou R, Xing C, Jiang C, Miao Z, Zhuang C. Fragment-Based Discovery of Azocyclic Alkyl Naphthalenesulfonamides as Keap1-Nrf2 Inhibitors for Acute Lung Injury Treatment. J Med Chem 2023. [PMID: 37257073 DOI: 10.1021/acs.jmedchem.3c00686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Blocking the Kelch-like epichlorohydrin-related protein 1 (Keap1)-nuclear factor-erythroid 2 related factor 2 (Nrf2) pathway is a promising strategy to alleviate acute lung injury (ALI). A naphthalensulfonamide NXPZ-2, targeting Keap1-Nrf2 interaction to release Nrf2, was confirmed to exhibit significant anti-inflammatory activities, however, accompanying nonideal solubility and PK profiles. To further improve the properties, twenty-nine novel naphthalenesulfonamide derivatives were designed by a fragment-based strategy. Among them, compound 10u with a (R)-azetidine group displayed the highest PPI inhibitory activity (KD2 = 0.22 μM). The hydrochloric acid form of 10u exhibited a 9-fold improvement on water solubility (S = 484 μg/mL, pH = 7.0) compared to NXPZ-2 (S = 55 μg/mL, pH = 7.0). It could significantly reduce LPS-induced lung oxidative damages and inflammations in vitro and in vivo. Furthermore, a satisfactory pharmacokinetic property was revealed. In conclusion, the novel azetidine-containing naphthalenesulfonamide represents a promising drug candidate for Keap1-targeting ALI treatment.
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Affiliation(s)
- Jianyu Yan
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Yue Li
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China
| | - Li Ding
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Ruilin Hou
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Chengguo Xing
- Department of Medicinal Chemistry, College of Pharmacy, University of Florida, Gainesville, Florida 32610, United States
| | - Chengshi Jiang
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China
| | - Zhenyuan Miao
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Chunlin Zhuang
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
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16
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Chen H, Liu Y, Feng J, Wang H, Yang Y, Ai Q, Zhang Z, Chu S, Chen N. CZK, a novel alkaloid derivative from Clausena lansium, alleviates ischemic stroke injury through Nrf2-mediated antioxidant effects. Sci Rep 2023; 13:6053. [PMID: 37055457 PMCID: PMC10101984 DOI: 10.1038/s41598-023-32999-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 04/05/2023] [Indexed: 04/15/2023] Open
Abstract
Anti-oxidant stress is a potential strategy for the treatment of ischemic stroke. Here, we found a novel free radical scavenger termed as CZK, which is derived from alkaloids contained in Clausena lansium. In this study, we first compared cytotoxicity and biological activity between CZK and its parent's compound Claulansine F. It was found that CZK had lower cytotoxicity and improved anti-oxygen-glucose deprivation/reoxygenation (OGD/R) injury than its parent's compound. Free radical scavenging test showed that CZK had a strong inhibitory effect on hydroxyl free radicals with the IC50 of 77.08 nM. Intravenous injection of CZK (50 mg/kg) significantly alleviated ischemia-reperfusion injury, manifested by reduced neuronal damage and decreased oxidative stress. Consistent with the findings, the activities of superoxide dismutase (SOD) and reduced glutathione (GSH) were increased. Molecular docking predicted that CZK might be combined with nuclear factor erythroid 2-related factor 2 (Nrf2) complex. Our results also confirmed that CZK upregulated the contents of Nrf2 and its target gene products Heme Oxygenase-1 (HO-1), and NAD(P)H: Quinone Oxidoreductase 1 (NQO1). In conclusion, CZK had a potential therapeutic effect for ischemic stroke by activating Nrf2-mediated antioxidant system.
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Affiliation(s)
- Haodong Chen
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces & College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Yangbo Liu
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces & College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Juling Feng
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces & College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Hongyun Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Xian Nong Tan Street, Beijing, 100050, China
| | - Yantao Yang
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces & College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Qidi Ai
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces & College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China
| | - Zhao Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Xian Nong Tan Street, Beijing, 100050, China
| | - Shifeng Chu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Xian Nong Tan Street, Beijing, 100050, China.
| | - Naihong Chen
- Hunan Engineering Technology Center of Standardization and Function of Chinese Herbal Decoction Pieces & College of Pharmacy, Hunan University of Chinese Medicine, Changsha, 410208, China.
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica & Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Xian Nong Tan Street, Beijing, 100050, China.
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17
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Qi Z, Tong Y, Luo H, Chen M, Zhou N, Chen L. Neuroprotective effect of a Keap1-Nrf2 Protein-Protein Inter-action inhibitor on cerebral Ischemia/Reperfusion injury. Bioorg Chem 2023; 132:106350. [PMID: 36681044 DOI: 10.1016/j.bioorg.2023.106350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/05/2023] [Accepted: 01/08/2023] [Indexed: 01/13/2023]
Abstract
Oxidative stress has been confirmed to be closely related to the occurrence and development of cerebral ischemic/reperfusion (I/R). The Keap1-Nrf2 pathway is widely recognized as a defensive system to maintain cellular redox homeostasis. Targeting Keap1-Nrf2 interaction by small molecules to release Nrf2 should be a promising strategy to treat cerebral I/R injury. The piperazinyl-naphthalenesulfonamide 6 K was reported to be a Keap1-Nrf2 protein-protein interaction inhibitor, showing promising antioxidative effect. Herein, this study is to investigate whether 6 K could prevent brain from I/R injury. The related mechanism of oxidative stress was also elucidated using in vivo mice middle cerebral artery occlusion (MCAO) model and in vitro SH-SY5Y oxygen-glucose deprivation/reperfusion (OGD/R) model. The results indicated that treatment of 6 K markedly decreased infarct volume, apoptotic neurons and oxidative damage and promoted neurologic recovery in vivo. The cell model revealed that the reactive oxygen species (ROS) was decreased, and cell viability was increased. Western blots and immunofluorescence staining demonstrated that compound treatment promoted Nrf2 release and nuclear translocation. The downstream protective enzymes were significantly enhanced at both in vivo and in vitro levels. Collectively, 6 K is a promising protective agent against cerebral I/R injury through activation of Nrf2 to suppress oxidative stress.
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Affiliation(s)
- Zengxin Qi
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China; National Center for Neurological Disorders, China; Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, China; Neurosurgical Institute of Fudan University, China; Shanghai Clinical Medical Center of Neurosurgery, China; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, School of Basic Medical Sciences and Institutes of Brain Science, Fudan University, China
| | - Yusheng Tong
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China; National Center for Neurological Disorders, China; Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, China; Neurosurgical Institute of Fudan University, China; Shanghai Clinical Medical Center of Neurosurgery, China; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, School of Basic Medical Sciences and Institutes of Brain Science, Fudan University, China
| | - Hao Luo
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China; National Center for Neurological Disorders, China; Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, China; Neurosurgical Institute of Fudan University, China; Shanghai Clinical Medical Center of Neurosurgery, China; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, School of Basic Medical Sciences and Institutes of Brain Science, Fudan University, China
| | - Ming Chen
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China; National Center for Neurological Disorders, China; Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, China; Neurosurgical Institute of Fudan University, China; Shanghai Clinical Medical Center of Neurosurgery, China; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, School of Basic Medical Sciences and Institutes of Brain Science, Fudan University, China
| | - Nan Zhou
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China; National Center for Neurological Disorders, China; Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, China; Neurosurgical Institute of Fudan University, China; Shanghai Clinical Medical Center of Neurosurgery, China; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, School of Basic Medical Sciences and Institutes of Brain Science, Fudan University, China.
| | - Liang Chen
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, China; National Center for Neurological Disorders, China; Shanghai Key Laboratory of Brain Function and Restoration and Neural Regeneration, China; Neurosurgical Institute of Fudan University, China; Shanghai Clinical Medical Center of Neurosurgery, China; State Key Laboratory of Medical Neurobiology and MOE Frontiers Center for Brain Science, School of Basic Medical Sciences and Institutes of Brain Science, Fudan University, China.
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18
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Zhou Y, Tang J, Lan J, Zhang Y, Wang H, Chen Q, Kang Y, Sun Y, Feng X, Wu L, Jin H, Chen S, Peng Y. Honokiol alleviated neurodegeneration by reducing oxidative stress and improving mitochondrial function in mutant SOD1 cellular and mouse models of amyotrophic lateral sclerosis. Acta Pharm Sin B 2023; 13:577-597. [PMID: 36873166 PMCID: PMC9979194 DOI: 10.1016/j.apsb.2022.07.019] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 06/12/2022] [Accepted: 06/16/2022] [Indexed: 11/25/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease affecting both upper and lower motor neurons (MNs) with large unmet medical needs. Multiple pathological mechanisms are considered to contribute to the progression of ALS, including neuronal oxidative stress and mitochondrial dysfunction. Honokiol (HNK) has been reported to exert therapeutic effects in several neurologic disease models including ischemia stroke, Alzheimer's disease and Parkinson's disease. Here we found that honokiol also exhibited protective effects in ALS disease models both in vitro and in vivo. Honokiol improved the viability of NSC-34 motor neuron-like cells that expressed the mutant G93A SOD1 proteins (SOD1-G93A cells for short). Mechanistical studies revealed that honokiol alleviated cellular oxidative stress by enhancing glutathione (GSH) synthesis and activating the nuclear factor erythroid 2-related factor 2 (NRF2)-antioxidant response element (ARE) pathway. Also, honokiol improved both mitochondrial function and morphology via fine-tuning mitochondrial dynamics in SOD1-G93A cells. Importantly, honokiol extended the lifespan of the SOD1-G93A transgenic mice and improved the motor function. The improvement of antioxidant capacity and mitochondrial function was further confirmed in the spinal cord and gastrocnemius muscle in mice. Overall, honokiol showed promising preclinical potential as a multiple target drug for ALS treatment.
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Affiliation(s)
- Yujun Zhou
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jingshu Tang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jiaqi Lan
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yong Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Hongyue Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Qiuyu Chen
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yuying Kang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yang Sun
- Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Xinhong Feng
- Department of Neurology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Lei Wu
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Hongtao Jin
- New Drug Safety Evaluation Center, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.,NMPA Key Laboratory for Safety Research and Evaluation of Innovative Drug, Beijing 100050, China
| | - Shizhong Chen
- Department of Natural Medicines, School of Pharmaceutical Sciences, Peking University, Beijing 100191, China
| | - Ying Peng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
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19
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Zhao Z, Dong R, Cui K, You Q, Jiang Z. An updated patent review of Nrf2 activators (2020-present). Expert Opin Ther Pat 2023; 33:29-49. [PMID: 36800917 DOI: 10.1080/13543776.2023.2178299] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
INTRODUCTION The nuclear factor erythroid 2-related factor 2 (Nrf2) is a pivotal transcription factor that controls the expression of numerous cytoprotective genes and regulates cellular defense system against oxidative insults. Thus, activating the Nrf2 pathway is a promising strategy for the treatment of various chronic diseases characterized by oxidative stress. AREAS COVERED This review first discusses the biological effects of Nrf2 and the regulatory mechanism of Kelch-like ECH-associated protein 1-Nrf2-antioxidant response element (Keap1-Nrf2-ARE) pathway. Then, Nrf2 activators (2020-present) are summarized based on the mechanism of action. The case studies consist of chemical structures, biological activities, structural optimization, and clinical development. EXPERT OPINION Extensive efforts have been devoted to developing novel Nrf2 activators with improved potency and drug-like properties. These Nrf2 activators have exhibited beneficial effects in in vitro and in vivo models of oxidative stress-related chronic diseases. However, some specific problems, such as target selectivity and brain blood barrier (BBB) permeability, still need to be addressed in the future.
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Affiliation(s)
- Ziquan Zhao
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Ruitian Dong
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Keni Cui
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Qidong You
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zhengyu Jiang
- State Key Laboratory of Natural Medicines, and Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, China.,Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, China
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20
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Frantz MC, Rozot R, Marrot L. NRF2 in dermo-cosmetic: From scientific knowledge to skin care products. Biofactors 2023; 49:32-61. [PMID: 36258295 DOI: 10.1002/biof.1907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 09/26/2022] [Indexed: 12/24/2022]
Abstract
The skin is the organ that is most susceptible to the impact of the exposome. Located at the interface with the external environment, it protects internal organs through the barrier function of the epidermis. It must adapt to the consequences of the harmful effects of solar radiation, the various chemical constituents of atmospheric pollution, and wounds associated with mechanical damage: oxidation, cytotoxicity, inflammation, and so forth. In this biological context, a capacity to adapt to the various stresses caused by the exposome is essential; otherwise, more or less serious conditions may develop accelerated aging, pigmentation disorders, atopy, psoriasis, and skin cancers. Nrf2-controlled pathways play a key role at this level. Nrf2 is a transcription factor that controls genes involved in oxidative stress protection and detoxification of chemicals. Its involvement in UV protection, reduction of inflammation in processes associated with healing, epidermal differentiation for barrier function, and hair regrowth, has been demonstrated. The modulation of Nrf2 in the skin may therefore constitute a skin protection or care strategy for certain dermatological stresses and disorders initiated or aggravated by the exposome. Nrf2 inducers can act through different modes of action. Keap1-dependent mechanisms include modification of the cysteine residues of Keap1 by (pro)electrophiles or prooxidants, and disruption of the Keap1-Nrf2 complex. Indirect mechanisms are suggested for numerous phytochemicals, acting on upstream pathways, or via hormesis. While developing novel and safe Nrf2 modulators for skin care may be challenging, new avenues can arise from natural compounds-based molecular modeling and emerging concepts such as epigenetic regulation.
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Affiliation(s)
| | - Roger Rozot
- Advanced Research, L'OREAL Research & Innovation, Aulnay-sous-Bois, France
| | - Laurent Marrot
- Advanced Research, L'OREAL Research & Innovation, Aulnay-sous-Bois, France
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21
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Crisman E, Duarte P, Dauden E, Cuadrado A, Rodríguez-Franco MI, López MG, León R. KEAP1-NRF2 protein-protein interaction inhibitors: Design, pharmacological properties and therapeutic potential. Med Res Rev 2023; 43:237-287. [PMID: 36086898 PMCID: PMC10087726 DOI: 10.1002/med.21925] [Citation(s) in RCA: 47] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 06/27/2022] [Accepted: 08/18/2022] [Indexed: 02/04/2023]
Abstract
The transcription factor nuclear factor erythroid 2-related factor 2 (NRF2) is considered the master regulator of the phase II antioxidant response. It controls a plethora of cytoprotective genes related to oxidative stress, inflammation, and protein homeostasis, among other processes. Activation of these pathways has been described in numerous pathologies including cancer, cardiovascular, respiratory, renal, digestive, metabolic, autoimmune, and neurodegenerative diseases. Considering the increasing interest of discovering novel NRF2 activators due to its clinical application, initial efforts were devoted to the development of electrophilic drugs able to induce NRF2 nuclear accumulation by targeting its natural repressor protein Kelch-like ECH-associated protein 1 (KEAP1) through covalent modifications on cysteine residues. However, off-target effects of these drugs prompted the development of an innovative strategy, the search of KEAP1-NRF2 protein-protein interaction (PPI) inhibitors. These innovative activators are proposed to target NRF2 in a more selective way, leading to potentially improved drugs with the application for a variety of diseases that are currently under investigation. In this review, we summarize known KEAP1-NRF2 PPI inhibitors to date and the bases of their design highlighting the most important features of their respective interactions. We also discuss the preclinical pharmacological properties described for the most promising compounds.
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Affiliation(s)
- Enrique Crisman
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain.,Instituto de Investigación Sanitaria La Princesa, Hospital Universitario de la Princesa, Madrid, Spain.,Instituto Teófilo Hernando y Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Pablo Duarte
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain.,Instituto Teófilo Hernando y Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Esteban Dauden
- Instituto Teófilo Hernando y Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Antonio Cuadrado
- Departmento de Bioquímica, Centro de Investigación Biomédica en Red Sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria La Paz (IdiPaz), Instituto de Investigaciones Biomédicas 'Alberto Sols' UAM-CSIC, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | | | - Manuela G López
- Instituto de Investigación Sanitaria La Princesa, Hospital Universitario de la Princesa, Madrid, Spain.,Instituto Teófilo Hernando y Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, Madrid, Spain
| | - Rafael León
- Instituto de Química Médica, Consejo Superior de Investigaciones Científicas (IQM-CSIC), Madrid, Spain
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22
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Lou J, Lu Y, Cheng J, Zhou F, Yan Z, Zhang D, Meng X, Zhao Y. A chemical perspective on the modulation of TEAD transcriptional activities: Recent progress, challenges, and opportunities. Eur J Med Chem 2022; 243:114684. [DOI: 10.1016/j.ejmech.2022.114684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/02/2022] [Accepted: 08/11/2022] [Indexed: 11/30/2022]
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23
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Liu Y, Li X, Sui S, Tang J, Chen D, Kang Y, Xie K, Liu J, Lan J, Wu L, Chen R, Peng Y, Dai J. Structural diversification of bioactive bibenzyls through modular co-culture leading to the discovery of a novel neuroprotective agent. Acta Pharm Sin B 2022; 13:1771-1785. [PMID: 37139416 PMCID: PMC10149896 DOI: 10.1016/j.apsb.2022.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 09/25/2022] [Accepted: 10/04/2022] [Indexed: 11/27/2022] Open
Abstract
Bibenzyls, a kind of important plant polyphenols, have attracted growing attention for their broad and remarkable pharmacological activities. However, due to the low abundance in nature, uncontrollable and environmentally unfriendly chemical synthesis processes, these compounds are not readily accessible. Herein, one high-yield bibenzyl backbone-producing Escherichia coli strain was constructed by using a highly active and substrate-promiscuous bibenzyl synthase identified from Dendrobium officinale in combination with starter and extender biosynthetic enzymes. Three types of efficiently post-modifying modular strains were engineered by employing methyltransferases, prenyltransferase, and glycosyltransferase with high activity and substrate tolerance together with their corresponding donor biosynthetic modules. Structurally different bibenzyl derivatives were tandemly and/or divergently synthesized by co-culture engineering in various combination modes. Especially, a prenylated bibenzyl derivative (12) was found to be an antioxidant that exhibited potent neuroprotective activity in the cellular and rat models of ischemia stroke. RNA-seq, quantitative RT-PCR, and Western-blot analysis demonstrated that 12 could up-regulate the expression level of an apoptosis-inducing factor, mitochondria associated 3 (Aifm3), suggesting that Aifm3 might be a new target in ischemic stroke therapy. This study provides a flexible plug-and-play strategy for the easy-to-implement synthesis of structurally diverse bibenzyls through a modular co-culture engineering pipeline for drug discovery.
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24
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Lao Y, Huang P, Chen J, Wang Y, Su R, Shao W, Hu W, Zhang J. Discovery of 1,2,4-triazole derivatives as novel neuroprotectants against cerebral ischemic injury by activating antioxidant response element. Bioorg Chem 2022; 128:106096. [PMID: 35985158 DOI: 10.1016/j.bioorg.2022.106096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 08/06/2022] [Accepted: 08/09/2022] [Indexed: 11/02/2022]
Abstract
Acute ischemic stroke is an important cause of death and long-term disability worldwide. In this work, we have synthesized a series of derivatives with 3,5‑diaryl substituent triazole scaffolds. The derivatives showed favorable protective effective in SNP-induced oxidative stress model, of which compound 5 was the most active. In vivo experiments showed that compound 5 could ameliorate neurological deficits, attenuate infarction sizes, reduce malonaldehyde (MDA) level and increase superoxide dismutase (SOD) level in middle cerebral artery occlusion (MCAO) rats. Preliminary safety evaluation showed that compound 5 exhibited low acute toxicity in BALB/c mice (LD50 greater than 1000 mg/kg). Further investigation indicated that compound 5 was able to scavenge ROS, restore mitochondrial membrane potential and protect PC12 cells from SNP-induced apoptosis. Moreover, compound 5 could initiate transcription of antioxidant response element (ARE) and induced expressions of antioxidative enzymes. Collectively, compound 5 might have the potency of treating acute ischemic stroke.
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Affiliation(s)
- Yaoqiang Lao
- Department of Medicinal Chemistry, School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou, 510006, PR China
| | - Ping Huang
- Department of Medicinal Chemistry, School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou, 510006, PR China
| | - Jianwen Chen
- Department of Medicinal Chemistry, School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou, 510006, PR China
| | - Yang Wang
- Department of Medicinal Chemistry, School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou, 510006, PR China
| | - Ruiqi Su
- Department of Medicinal Chemistry, School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou, 510006, PR China
| | - Weiyan Shao
- Department of Medicinal Chemistry, School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou, 510006, PR China
| | - Wenhao Hu
- Department of Medicinal Chemistry, School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou, 510006, PR China
| | - Jingxia Zhang
- Department of Medicinal Chemistry, School of Pharmaceutical Science, Sun Yat-sen University, Guangzhou, 510006, PR China.
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25
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Liu G, Hou R, Xu L, Zhang X, Yan J, Xing C, Xu K, Zhuang C. Crystallography-Guided Optimizations of the Keap1-Nrf2 Inhibitors on the Solvent Exposed Region: From Symmetric to Asymmetric Naphthalenesulfonamides. J Med Chem 2022; 65:8289-8302. [PMID: 35687391 DOI: 10.1021/acs.jmedchem.2c00170] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Directly inhibiting the Keap1-Nrf2 protein-protein interaction has been investigated as a promising strategy to activate Nrf2 for anti-inflammation. We previously reported a naphthalensulfonamide Keap1-Nrf2 inhibitor NXPZ-2, but have not determined the exact binding mode with Keap1. This symmetric naphthalenesulfonamide compound has relatively low solubility. Herein, we first determined a crystal complex (resolution: 2.3 Å) of human Keap1 Kelch domain with NXPZ-2. Further optimizations on the solvent exposed region obtained asymmetric naphthalenesulfonamides and three crystal structures of Keap1 in complex with designed compounds. Among them, the asymmetric piperazinyl-naphthalenesulfonamide 6k with better aqueous solubility showed the best KD2 value of 0.21 μM to block the interaction. The productions of ROS and NO and the expression of TNF-α were inhibited by 6k in the in vitro model. This compound could relieve inflammations by significantly increasing the Nrf2 nuclear translocation in the LPS-induced ALI model with promising pharmacokinetic properties.
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Affiliation(s)
- Guodong Liu
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Ruilin Hou
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Lijuan Xu
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Xinqi Zhang
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Jianyu Yan
- School of Pharmacy, Second Military Medical University, Shanghai 200433, China
| | - Chengguo Xing
- Department of Medicinal Chemistry, University of Florida, 1345 Center Drive, Gainesville, Florida 32610, United States
| | - Ke Xu
- Translational Research Institute of Brain and Brain-Like Intelligence, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai 200434, China.,Shanghai Key Laboratory of Anesthesiology and Brain Functional Modulation, Shanghai 200434, China
| | - Chunlin Zhuang
- School of Pharmacy, Ningxia Medical University, Yinchuan 750004, China.,School of Pharmacy, Second Military Medical University, Shanghai 200433, China
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26
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Modulating the Antioxidant Response for Better Oxidative Stress-Inducing Therapies: How to Take Advantage of Two Sides of the Same Medal? Biomedicines 2022; 10:biomedicines10040823. [PMID: 35453573 PMCID: PMC9029215 DOI: 10.3390/biomedicines10040823] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/25/2022] [Accepted: 03/28/2022] [Indexed: 01/17/2023] Open
Abstract
Oxidative stress-inducing therapies are characterized as a specific treatment that involves the production of reactive oxygen and nitrogen species (RONS) by external or internal sources. To protect cells against oxidative stress, cells have evolved a strong antioxidant defense system to either prevent RONS formation or scavenge them. The maintenance of the redox balance ensures signal transduction, development, cell proliferation, regulation of the mechanisms of cell death, among others. Oxidative stress can beneficially be used to treat several diseases such as neurodegenerative disorders, heart disease, cancer, and other diseases by regulating the antioxidant system. Understanding the mechanisms of various endogenous antioxidant systems can increase the therapeutic efficacy of oxidative stress-based therapies, leading to clinical success in medical treatment. This review deals with the recent novel findings of various cellular endogenous antioxidant responses behind oxidative stress, highlighting their implication in various human diseases, such as ulcers, skin pathologies, oncology, and viral infections such as SARS-CoV-2.
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27
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Diet and exercise in lifestyle medicine: the hormetic effects of bioactive compounds on human health. CURRENT OPINION IN TOXICOLOGY 2022. [DOI: 10.1016/j.cotox.2022.03.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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28
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Yao H, Zhang W, Yang F, Ai F, Du D, Li Y. Discovery of caffeoylisocitric acid as a Keap1-dependent Nrf2 activator and its effects in mesangial cells under high glucose. J Enzyme Inhib Med Chem 2021; 37:178-188. [PMID: 34894983 PMCID: PMC8667952 DOI: 10.1080/14756366.2021.1998025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Diabetic nephropathy (DN) is one of the severe microvascular complications of diabetes mellitus. Oxidative stress resulting from aberrant metabolism of glucose mediates renal inflammation and fibrosis in the progression of DN. Nuclear factor erythroid 2-related factor 2 (Nrf2) is a transcription factor regulating the expression of antioxidant enzymes. Activating Nrf2 will give a promising therapy for DN. To discover novel Nrf2 activators, we have investigated caffeoylisocitric acid using mesangial cells under high glucose. The results showed at 10 μM, caffeoylisocitric acid significantly inhibited the self-limited proliferation of mesangial cells induced by high glucose. Further assessments have disclosed caffeoylisocitric acid mitigated oxidative stress, inflammation and accumulation of extracellular matrix resulting from high glucose via inactivating MAPK signalling. Meanwhile activation of Nrf2 was observed and involved in these effects through the interaction between Keap1 and caffeoylisocitric acid to disrupt Keap1-Nrf2 complex. Therefore, caffeoylisocitric acid is a promising Nrf2 activator targeting DN.
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Affiliation(s)
- Huankai Yao
- Department of Microbial and Biochemical Pharmacy, School of Pharmacy & Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Wenting Zhang
- Department of Laboratory Medicine, Xuzhou Center for Disease Control and Prevention, Xuzhou, China
| | - Feng Yang
- School of Stomatology, Xuzhou Medical University, Xuzhou, China
| | - Fengwei Ai
- Department of Microbial and Biochemical Pharmacy, School of Pharmacy & Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Dan Du
- Department of Microbial and Biochemical Pharmacy, School of Pharmacy & Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
| | - Yan Li
- Department of Microbial and Biochemical Pharmacy, School of Pharmacy & Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, Xuzhou Medical University, Xuzhou, China
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29
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Norton D, Bonnette WG, Callahan JF, Carr MG, Griffiths-Jones CM, Heightman TD, Kerns JK, Nie H, Rich SJ, Richardson C, Rumsey W, Sanchez Y, Verdonk ML, Willems HMG, Wixted WE, Wolfe L, Woolford AJA, Wu Z, Davies TG. Fragment-Guided Discovery of Pyrazole Carboxylic Acid Inhibitors of the Kelch-like ECH-Associated Protein 1: Nuclear Factor Erythroid 2 Related Factor 2 (KEAP1:NRF2) Protein-Protein Interaction. J Med Chem 2021; 64:15949-15972. [PMID: 34705450 DOI: 10.1021/acs.jmedchem.1c01351] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The NRF2-mediated cytoprotective response is central to cellular homoeostasis, and there is increasing interest in developing small-molecule activators of this pathway as therapeutics for diseases involving chronic oxidative stress. The protein KEAP1, which regulates NRF2, is a key point for pharmacological intervention, and we recently described the use of fragment-based drug discovery to develop a tool compound that directly disrupts the protein-protein interaction between NRF2 and KEAP1. We now present the identification of a second, chemically distinct series of KEAP1 inhibitors, which provided an alternative chemotype for lead optimization. Pharmacophoric information from our original fragment screen was used to identify new hit matter through database searching and to evolve this into a new lead with high target affinity and cell-based activity. We highlight how knowledge obtained from fragment-based approaches can be used to focus additional screening campaigns in order to de-risk projects through the rapid identification of novel chemical series.
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Affiliation(s)
- David Norton
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - William G Bonnette
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | - James F Callahan
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | - Maria G Carr
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | | | - Tom D Heightman
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | - Jeffrey K Kerns
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | - Hong Nie
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | - Sharna J Rich
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | | | - William Rumsey
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | - Yolanda Sanchez
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | - Marcel L Verdonk
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
| | | | - William E Wixted
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | - Lawrence Wolfe
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | | | - Zining Wu
- GlaxoSmithKline, 1250 South Collegeville Road, Collegeville, Pennsylvania 19426-0989, United States
| | - Thomas G Davies
- Astex Pharmaceuticals, 436 Cambridge Science Park, Cambridge CB4 0QA, U.K
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30
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Yin H, Huang YH, Best SA, Sutherland KD, Craik DJ, Wang CK. An Integrated Molecular Grafting Approach for the Design of Keap1-Targeted Peptide Inhibitors. ACS Chem Biol 2021; 16:1276-1287. [PMID: 34152716 DOI: 10.1021/acschembio.1c00388] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Inhibiting the Nrf2:Keap1 interaction to trigger cytoprotective gene expression is a promising treatment strategy for oxidative stress-related diseases. A short linear motif from Nrf2 has the potential to directly inhibit this protein-protein interaction, but poor stability and limited cellular uptake impede its therapeutic development. To address these limitations, we utilized an integrated molecular grafting strategy to re-engineer the Nrf2 motif. We combined the motif with an engineered non-native disulfide bond and a cell-penetrating peptide onto a single multifunctionalizable and ultrastable molecular scaffold, namely, the cyclotide MCoTI-II, resulting in the grafted peptide MCNr-2c. The engineered disulfide bond enhanced the conformational rigidity of the motif, resulting in a nanomolar affinity of MCNr-2c for Keap1. The cell-penetrating peptide led to an improved cellular uptake and increased ability to enhance the intracellular expression of two well-described Nrf2-target genes NQO1 and TALDO1. Furthermore, the stability of the scaffold was inherited by the grafted peptide, which became resistant to proteolysis in serum. Overall, we have provided proof-of-concept for a strategy that enables the encapsulation of multiple desired and complementary activities into a single molecular entity to design a Keap1-targeted inhibitor. We propose that this integrated approach could have broad utility for the design of peptide drug leads that require multiple functions and/or biopharmaceutical properties to elicit a therapeutic activity.
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Affiliation(s)
- Huawu Yin
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Yen-Hua Huang
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Sarah A. Best
- ACRF Cancer Biology and Stem Cells Division, Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, Victoria 3052, Australia
| | - Kate D. Sutherland
- ACRF Cancer Biology and Stem Cells Division, Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia
- Department of Medical Biology, The University of Melbourne, Parkville, Victoria 3052, Australia
| | - David J. Craik
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
| | - Conan K. Wang
- Institute for Molecular Bioscience, Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Queensland, Brisbane, Queensland 4072, Australia
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31
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Zhang L, Xu L, Chen H, Zhang W, Xing C, Qu Z, Yu J, Zhuang C. Structure-based molecular hybridization design of Keap1-Nrf2 inhibitors as novel protective agents of acute lung injury. Eur J Med Chem 2021; 222:113599. [PMID: 34119834 DOI: 10.1016/j.ejmech.2021.113599] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/28/2021] [Accepted: 05/30/2021] [Indexed: 12/12/2022]
Abstract
Blocking the Kelch-like epichlorohydrin-related protein 1 (Keap1)-nuclear factor-erythroid 2 related factor 2 (Nrf2) pathway represents as a promising strategy to reduce oxidative stress and related-inflammation, including acute lung injury (ALI). NXPZ-2, a naphthalensulfonamide derivative, was previously reported to effectively inhibit the Keap1-Nrf2 protein-protein interaction (PPI) by our group. In the present work, a series of novel isothiocyanate-containing naphthalensulfonamides with the thioether, sulfoxide and sulfone moieties were designed by a structure-based molecular hybridization strategy using NXPZ-2 and the Nrf2 activator sulforaphane. They possessed good Keap1-Nrf2 PPI inhibitory activity and low cytotoxicity. The molecular docking study was performed to further explain the different activity of the thioether-, sulfoxide- and sulfone-containing naphthalensulfonamides. Among these new derivatives, 2-((N-(4-((N-(2-amino-2-oxoethyl)-4-((3-isothiocyanatopropyl)sulfinyl)phenyl)sulfonamido) naphthalen-1-yl)-4-methoxyphenyl)sulfonamido)acetamide (SCN-16) showed a good KD2 value of 0.455 μM to disrupt the PPI. In an LPS-induced peritoneal macrophage cell model, this compound could cause a significant increase in the nuclear Nrf2 protein, decrease in the cytosolic Nrf2 protein, and further elevate the downstream protective enzymes HO-1 and NQO-1, which were better than the lead compound NXPZ-2 and sulforaphane. What's more, the production of ROS and NO and the expression of pro-inflammatory cytokine TNF-α were also suppressed. In the LPS-induced ALI model, SCN-16 could significantly reduce LPS-induced inflammations and alleviate lung injuries by triggering Nrf2 nuclear translocation. Collectively, our results suggested that SCN-16 could be a novel lead compound targeting Keap1-Nrf2 protective pathway for clinical treatment of ALI.
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Affiliation(s)
- Le Zhang
- School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan, 750004, China; School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai, 200433, China
| | - Lijuan Xu
- School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan, 750004, China; School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai, 200433, China
| | - Haihu Chen
- Department of Intervention, Changhai Hospital, Second Military Medical University, Shanghai, 200433, China
| | - Wannian Zhang
- School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan, 750004, China; School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai, 200433, China
| | - Chengguo Xing
- Department of Medicinal Chemistry, University of Florida, 1345 Center Drive, Gainesville, FL, 32610, USA
| | - Zhuo Qu
- School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai, 200433, China.
| | - Jianqiang Yu
- School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan, 750004, China.
| | - Chunlin Zhuang
- School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan, 750004, China; School of Pharmacy, Second Military Medical University, 325 Guohe Road, Shanghai, 200433, China.
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Hushpulian DM, Ammal Kaidery N, Ahuja M, Poloznikov AA, Sharma SM, Gazaryan IG, Thomas B. Challenges and Limitations of Targeting the Keap1-Nrf2 Pathway for Neurotherapeutics: Bach1 De-Repression to the Rescue. Front Aging Neurosci 2021; 13:673205. [PMID: 33897412 PMCID: PMC8060438 DOI: 10.3389/fnagi.2021.673205] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 03/15/2021] [Indexed: 12/30/2022] Open
Abstract
The Keap1-Nrf2 signaling axis is a validated and promising target for cellular defense and survival pathways. This minireview discusses the potential off-target effects and their impact on future drug development originating from Keap1-targeting small molecules that function as displacement activators of the redox-sensitive transcription factor Nrf2. We argue that small-molecule displacement activators, similarly to electrophiles, will release both Nrf2 and other Keap1 client proteins from the ubiquitin ligase complex. This non-specificity is likely unavoidable and may result in off-target effects during Nrf2 activation by targeting Keap1. The small molecule displacement activators may also target Kelch domains in proteins other than Keap1, causing additional off-target effects unless designed to ensure specificity for the Kelch domain only in Keap1. A potentially promising and alternative therapeutic approach to overcome this non-specificity emerging from targeting Keap1 is to inhibit the Nrf2 repressor Bach1 for constitutive activation of the Nrf2 pathway and bypass the Keap1-Nrf2 complex.
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Affiliation(s)
- Dmitry M. Hushpulian
- P. A. Hertsen Moscow Oncology Research Center, Branch of the National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
- Faculty of Biology and Biotechnologies, Higher School of Economics, Moscow, Russia
| | - Navneet Ammal Kaidery
- Darby Children’s Research Institute, Medical University of South Carolina, Charleston, SC, United States
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, United States
| | - Manuj Ahuja
- Darby Children’s Research Institute, Medical University of South Carolina, Charleston, SC, United States
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, United States
- Department of Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, United States
| | - Andrey A. Poloznikov
- Faculty of Biology and Biotechnologies, Higher School of Economics, Moscow, Russia
| | - Sudarshana M. Sharma
- Hollings Cancer Center, Department of Biochemistry and Molecular Biology, Medical University of South Carolina, Charleston, SC, United States
| | - Irina G. Gazaryan
- P. A. Hertsen Moscow Oncology Research Center, Branch of the National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
- Faculty of Biology and Biotechnologies, Higher School of Economics, Moscow, Russia
- Department of Chemical Enzymology, M.V. Lomonosov Moscow State University, Moscow, Russia
- Department of Chemistry and Physical Sciences, Dyson College of Arts and Sciences, Pace University, Pleasantville, NY, United States
| | - Bobby Thomas
- Darby Children’s Research Institute, Medical University of South Carolina, Charleston, SC, United States
- Department of Pediatrics, Medical University of South Carolina, Charleston, SC, United States
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States
- Department of Drug Discovery, Medical University of South Carolina, Charleston, SC, United States
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Taguchi K, Yamamoto M. The KEAP1-NRF2 System as a Molecular Target of Cancer Treatment. Cancers (Basel) 2020; 13:cancers13010046. [PMID: 33375248 PMCID: PMC7795874 DOI: 10.3390/cancers13010046] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Nuclear factor erythroid-derived 2-like 2 (encoded by the Nfe2l2 gene; NRF2) is a transcription factor that regulates a variety of cytoprotective genes, including antioxidant enzymes, detoxification enzymes, inflammation-related proteins, drug transporters and metabolic enzymes. NRF2 is regulated by unique molecular mechanisms that stem from Kelch-like ECH-associated protein 1 (KEAP1) in response to oxidative and electrophilic stresses. It has been shown that disturbance or perturbation of the NRF2 activation causes and/or exacerbates many kinds of diseases. On the contrary, aberrant activations of NRF2 also provoke intriguing pathologic features, especially in cancers. Cancer cells with high NRF2 activity have been referred to as NRF2-addicted cancers, which are frequently found in lung cancers. In this review, we summarize the current accomplishments of the KEAP1–NRF2 pathway analyses in special reference to the therapeutic target of cancer therapy. The concept of synthetic lethality provides a new therapeutic approach for NRF2-addicted cancers. Abstract The Kelch-like ECH-associated protein 1 (KEAP1)—Nuclear factor erythroid-derived 2-like 2 (encoded by the Nfe2l2 gene; NRF2) system attracts extensive interest from scientists in basic and clinical cancer research fields, as NRF2 exhibits activity as both an oncogene and tumor suppressor, depending on the context. Especially unique and malignant, NRF2-addicted cancers exhibit high levels of NRF2 expression. Somatic mutations identified in the NRF2 or KEAP1 genes of NRF2-addicted cancers cause the stabilization and accumulation of NRF2. NRF2-addicted cancers hijack the intrinsic roles that NRF2 plays in cytoprotection, including antioxidative and anti-electrophilic responses, as well as metabolic reprogramming, and acquire a marked advantage to survive under severe and limited microenvironments. Therefore, NRF2 inhibitors are expected to have therapeutic effects in patients with NRF2-addicted cancers. In contrast, NRF2 activation in host immune cells exerts significant suppression of cancer cell growth, indicating that NRF2 inducers also have the potential to be therapeutics for cancers. Thus, the KEAP1–NRF2 system makes a broad range of contributions to both cancer development and suppression. These observations thus demonstrate that both NRF2 inhibitors and inducers are useful for the treatment of cancers with high NRF2 activity.
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Affiliation(s)
- Keiko Taguchi
- Department of Medical Biochemistry, Graduate School of Medicine, Tohoku University, Sendai 980-8575, Japan;
- Department of Medical Biochemistry, Tohoku Medical Megabank Organization, Tohoku University, Sendai 980-8573, Japan
- Advanced Research Center for Innovations in Next-Generation Medicine (INGEM), Tohoku University, Sendai 980-8573, Japan
| | - Masayuki Yamamoto
- Department of Medical Biochemistry, Graduate School of Medicine, Tohoku University, Sendai 980-8575, Japan;
- Department of Medical Biochemistry, Tohoku Medical Megabank Organization, Tohoku University, Sendai 980-8573, Japan
- Advanced Research Center for Innovations in Next-Generation Medicine (INGEM), Tohoku University, Sendai 980-8573, Japan
- Correspondence: ; Tel.: +81-22-728-3039
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Discovery of 2-oxy-2-phenylacetic acid substituted naphthalene sulfonamide derivatives as potent KEAP1-NRF2 protein-protein interaction inhibitors for inflammatory conditions. Eur J Med Chem 2020; 207:112734. [PMID: 32866756 DOI: 10.1016/j.ejmech.2020.112734] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/26/2020] [Accepted: 08/04/2020] [Indexed: 12/17/2022]
Abstract
Nuclear factor erythroid 2-related factor 2 (NRF2) is a pleiotropic transcription factor which regulates the constitutive and inducible transcription of a wide array of genes and confers protection against a variety of pathologies. Directly disrupting Kelch-like ECH-associated protein 1 (KEAP1)-NRF2 protein-protein interaction (PPI) has been explored as a promising strategy to activate NRF2. We reported here the first identification of a series of 2-oxy-2-phenylacetic acid substituted naphthalene sulfonamide derivatives as potent KEAP1-NRF2 inhibitors. Our efforts led to the potent small molecule KEAP1-NRF2 inhibitor, 20c, which exhibited a Kd of 24 nM to KEAP1 and an IC50 of 75 nM in disrupting KEAP1-NRF2 interaction. Subsequent biological studies provided consistent evidence across mouse macrophage cell-based and in vivo models that 20c induced NRF2 target gene expression and enhanced downstream antioxidant and anti-inflammatory activities. Our study not only demonstrated that small molecule KEAP1-NRF2 PPI inhibitors can be potential preventive and therapeutic agents for diseases and conditions involving oxidative stress and inflammation but also enriched the chemical diversity of the KEAP1-NRF2 inhibitors.
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Mou Y, Wen S, Li YX, Gao XX, Zhang X, Jiang ZY. Recent progress in Keap1-Nrf2 protein-protein interaction inhibitors. Eur J Med Chem 2020; 202:112532. [PMID: 32668381 DOI: 10.1016/j.ejmech.2020.112532] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 05/28/2020] [Accepted: 05/31/2020] [Indexed: 12/16/2022]
Abstract
Therapeutic targeting the protein-protein interaction (PPI) of Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) and its main regulator, Kelch-like ECH-Associating protein 1 (Keap1) has been emerged as a feasible way to combat oxidative stress related diseases, due to the key role of Nrf2 in oxidative stress regulation. In recent years, many efforts have been made to develop potent Keap1-Nrf2 inhibitors with new chemical structures. Various molecules with diverse chemical structures have been reported and some compounds exhibit high potency. This review summarizes peptide and small molecule Keap1-Nrf2 inhibitors reported recently. We also highlight the pharmacological effects and discuss the possible therapeutic application of Keap1-Nrf2 inhibitors.
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Affiliation(s)
- Yi Mou
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou, 225300, China
| | - Shuai Wen
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou, 225300, China
| | - Yu-Xiu Li
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou, 225300, China
| | - Xin-Xing Gao
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou, 225300, China
| | - Xin Zhang
- College of Pharmacy and Chemistry & Chemical Engineering, Taizhou University, Taizhou, 225300, China
| | - Zheng-Yu Jiang
- Jiangsu Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China.
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Cores Á, Piquero M, Villacampa M, León R, Menéndez JC. NRF2 Regulation Processes as a Source of Potential Drug Targets against Neurodegenerative Diseases. Biomolecules 2020; 10:E904. [PMID: 32545924 PMCID: PMC7356958 DOI: 10.3390/biom10060904] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 06/03/2020] [Accepted: 06/09/2020] [Indexed: 12/12/2022] Open
Abstract
NRF2 acts by controlling gene expression, being the master regulator of the Phase II antioxidant response, and also being key to the control of neuroinflammation. NRF2 activity is regulated at several levels, including protein degradation by the proteasome, transcription, and post-transcription. The purpose of this review is to offer a concise and critical overview of the main mechanisms of NRF2 regulation and their actual or potential use as targets for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Ángel Cores
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain; (Á.C.); (M.P.); (M.V.)
| | - Marta Piquero
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain; (Á.C.); (M.P.); (M.V.)
| | - Mercedes Villacampa
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain; (Á.C.); (M.P.); (M.V.)
| | - Rafael León
- Instituto Teófilo Hernando y Departamento de Farmacología y Terapéutica, Facultad de Medicina, Universidad Autónoma de Madrid, 28029 Madrid, Spain;
- Instituto de Investigación Sanitaria, Servicio de Farmacología Clínica, Hospital Universitario de la Princesa, 28006 Madrid, Spain
| | - J. Carlos Menéndez
- Unidad de Química Orgánica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense, 28040 Madrid, Spain; (Á.C.); (M.P.); (M.V.)
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Lu M, Zhang X, Zhao J, You Q, Jiang Z. A hydrogen peroxide responsive prodrug of Keap1-Nrf2 inhibitor for improving oral absorption and selective activation in inflammatory conditions. Redox Biol 2020; 34:101565. [PMID: 32422540 PMCID: PMC7231841 DOI: 10.1016/j.redox.2020.101565] [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: 03/26/2020] [Revised: 04/22/2020] [Accepted: 04/29/2020] [Indexed: 12/12/2022] Open
Abstract
Transcription factor Nuclear factor erythroid 2-related factor 2 (Nrf2) and its negative regulator, the E3 ligase adaptor Kelch-like ECH-associated protein 1 (Keap1), control the redox and metabolic homeostasis and oxidative stress. Inhibitors of Keap1-Nrf2 interaction are promising in oxidative stress related inflammatory diseases but now hit hurdles. By utilizing thiazolidinone moiety to shield the key carboxyl pharmacophore in Keap1-Nrf2 inhibitor, a hydrogen peroxide (H2O2)-responsive prodrug pro2 was developed. The prodrug modification improved the physicochemical properties and cell membrane permeability of the parent drug. Pro2 was stable and stayed inactive under various physiological conditions, while became active by stimulation of H2O2 or inflammation derived reactive oxygen species. Moreover, pro2 exhibited proper pharmacokinetic profile suitable for oral administration and enhanced anti-inflammatory efficiency in vivo. Thus, this novel prodrug approach may not only provide an important advance in the therapy of chronic inflammatory diseases with high level of H2O2, but also offer a fresh solution to improve the drug-like and selectivity issues of Keap1-Nrf2 inhibitors. Pro2 was developed by utilizing H2O2-responsive thiazolidinone moiety to shield carboxyl group in Keap1-Nrf2 inhibitor. Pro2 was stable and inactive under various physiological conditions, while became active under inflammatory conditions. Pro2 exhibited proper pharmacokinetic profile for oral administration and enhanced anti-inflammatory efficiency in vivo.
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Affiliation(s)
- Mengchen Lu
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Xian Zhang
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China
| | - Jing Zhao
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China
| | - Qidong You
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
| | - Zhengyu Jiang
- State Key Laboratory of Natural Medicines and Jiang Su Key Laboratory of Drug Design and Optimization, China Pharmaceutical University, Nanjing, 210009, China; Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
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