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Sun C, Mei J, Yi H, Song M, Ma Y, Huang Y. The Effect of the cAMP Signaling Pathway on HTR8/SV-Neo Cell Line Proliferation, Invasion, and Migration After Treatment with Forskolin. Reprod Sci 2024; 31:1268-1277. [PMID: 38110819 DOI: 10.1007/s43032-023-01396-5] [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: 08/12/2023] [Accepted: 10/25/2023] [Indexed: 12/20/2023]
Abstract
Pre-eclampsia (PE) is thought to be related to placental dysfunction, particularly poor extravillous trophoblast (EVT) invasion and migration abilities. However, the pathogenic mechanism is not fully understood. This article describes the impact of the cyclic adenosine monophosphate(cAMP) signaling pathway on EVT behavior, focusing on EVT proliferation, invasion, and migration. Here, we used the HTR8/SV-neo cell line to study human EVT function in vitro. HTR8/SV-neo cells were treated with different concentrations of forskolin (cAMP pathway-specific agonist) to alter intracellular cAMP levels, and dimethyl sulfoxide (DMSO) was used as the control. First, a cAMP assay was performed to measure the cAMP concentration in HTR8/SV-neo cells treated with different forskolin concentrations, and cell proliferation was assessed by constructing cell growth curves and assessing colony formation. Cell invasion and migration were observed by Transwell experiments, and intracellular epithelial-mesenchymal transition (EMT) marker expression was evaluated by quantitative real-time polymerase chain reaction (qPCR) and Western blotting (WB). According to our research, the intracellular cAMP levels in HTR8/SV-neo cells were increased in a dose-dependent manner, and HTR8/SV-neo cell proliferation, invasion and migration were significantly enhanced. The expression of EMT and angiogenesis markers was upregulated. Additionally, with the increase in intracellular cAMP levels, the phosphorylation of intracellular mitogen-activated protein kinase (MAPK) signaling pathway components was significantly increased. These results suggested that the cAMP signaling pathway promoted the phosphorylation of MAPK signaling components, thus enhancing EVT functions, including proliferation, invasion, and migration, and to a certain extent, providing a novel direction for the treatment of PE patients.
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Affiliation(s)
- Chao Sun
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, 3 Longhua Road, Haikou, Hainan, 570102, China
- Department of Reproductive Medicine, Hainan Provincial Clinical Research Center for Thalassemia, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- National Center for International Research "China-Myanmar Joint Research Center for Prevention and Treatment of Regional Major Disease" by the Ministry of Science and Technology of China, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- Haikou Key Laboratory for Preservation of Human Genetic Resource, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
| | - Jiaoqi Mei
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, 3 Longhua Road, Haikou, Hainan, 570102, China
- Department of Reproductive Medicine, Hainan Provincial Clinical Research Center for Thalassemia, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- National Center for International Research "China-Myanmar Joint Research Center for Prevention and Treatment of Regional Major Disease" by the Ministry of Science and Technology of China, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- Haikou Key Laboratory for Preservation of Human Genetic Resource, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
| | - Hongyan Yi
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, 3 Longhua Road, Haikou, Hainan, 570102, China
- Department of Reproductive Medicine, Hainan Provincial Clinical Research Center for Thalassemia, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- National Center for International Research "China-Myanmar Joint Research Center for Prevention and Treatment of Regional Major Disease" by the Ministry of Science and Technology of China, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
- Haikou Key Laboratory for Preservation of Human Genetic Resource, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China
| | - Mengyi Song
- Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Yanlin Ma
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, 3 Longhua Road, Haikou, Hainan, 570102, China.
- Department of Reproductive Medicine, Hainan Provincial Clinical Research Center for Thalassemia, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China.
- National Center for International Research "China-Myanmar Joint Research Center for Prevention and Treatment of Regional Major Disease" by the Ministry of Science and Technology of China, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China.
- Haikou Key Laboratory for Preservation of Human Genetic Resource, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China.
| | - Yuanhua Huang
- Hainan Provincial Key Laboratory for Human Reproductive Medicine and Genetic Research, Key Laboratory of Reproductive Health Diseases Research and Translation (Hainan Medical University), Ministry of Education, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, 3 Longhua Road, Haikou, Hainan, 570102, China.
- Department of Reproductive Medicine, Hainan Provincial Clinical Research Center for Thalassemia, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China.
- National Center for International Research "China-Myanmar Joint Research Center for Prevention and Treatment of Regional Major Disease" by the Ministry of Science and Technology of China, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China.
- Haikou Key Laboratory for Preservation of Human Genetic Resource, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou, Hainan, China.
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Jachak GR, Kashinath K, Vasudevan N, Athawale PR, Choudhury R, Dange SS, Agarwal H, Barthwal MK, Reddy DS. Comprehensive Study on Solomonamides: Total Synthesis, Stereochemical Revision, and SAR Studies toward Identification of Simplified Lead. J Org Chem 2023; 88:17088-17133. [PMID: 38051995 DOI: 10.1021/acs.joc.3c01987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Solomonamides, a pair of macrocyclic peptide natural products originating from marine sources, have garnered significant attention within the synthetic community owing to their marked anti-inflammatory efficacy and intricate molecular architectures. In this paper, we present a very detailed investigation into solomonamides, including the challenges associated with the total synthesis, the evolution of our synthetic strategies, structural reassignment, synthesis of all possible stereoisomeric macrocycles, biological assessment, structure-activity relationship (SAR) studies, etc. Within the ambit of this total synthesis, diverse strategies for macrocyclization were rigorously explored, encompassing the Friedel-Crafts acylation, cyclization involving the aniline NH2 moiety, macrolactamization utilizing Gly-NH2, and Heck macrocyclization methodologies. In addition, an array of intriguing chemical transformations were devised, including but not limited to photo-Fries rearrangement, Wacker oxidation, ligand-free Heck macrocyclization, oxidative cleavage of indole, synthesis of contiguous stereocenters via substrate/reagent-controlled protocols, and simultaneous making and breaking of olefinic moieties. The findings of this investigation revealed a structurally simplified lead compound. Remarkably, the lead compound, while possessing structural simplification in comparison to the intricate solomonamide counterparts, demonstrates equipotent in vivo anti-inflammatory efficacy.
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Affiliation(s)
- Gorakhnath R Jachak
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - K Kashinath
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - N Vasudevan
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Paresh R Athawale
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Rahul Choudhury
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Santoshkumar S Dange
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
| | - Heena Agarwal
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Pharmacology Division, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow 226031, India
| | - Manoj Kumar Barthwal
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Pharmacology Division, CSIR-Central Drug Research Institute (CSIR-CDRI), Lucknow 226031, India
| | - D Srinivasa Reddy
- Division of Organic Chemistry, CSIR-National Chemical Laboratory (CSIR-NCL), Dr. Homi Bhabha Road, Pune 411008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India
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Jin J, Mazzacuva F, Crocetti L, Giovannoni MP, Cilibrizzi A. PDE4 Inhibitors: Profiling Hits through the Multitude of Structural Classes. Int J Mol Sci 2023; 24:11518. [PMID: 37511275 PMCID: PMC10380597 DOI: 10.3390/ijms241411518] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023] Open
Abstract
Cyclic nucleotide phosphodiesterases 4 (PDE4) are a family of enzymes which specifically promote the hydrolysis and degradation of cAMP. The inhibition of PDE4 enzymes has been widely investigated as a possible alternative strategy for the treatment of a variety of respiratory diseases, including chronic obstructive pulmonary disease and asthma, as well as psoriasis and other autoimmune disorders. In this context, the identification of new molecules as PDE4 inhibitors continues to be an active field of investigation within drug discovery. This review summarizes the medicinal chemistry journey in the design and development of effective PDE4 inhibitors, analyzed through chemical classes and taking into consideration structural aspects and binding properties, as well as inhibitory efficacy, PDE4 selectivity and the potential as therapeutic agents.
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Affiliation(s)
- Jian Jin
- Institute of Pharmaceutical Science, King's College London, Stamford Street, London SE1 9NH, UK
| | - Francesca Mazzacuva
- School of Health, Sport and Bioscience, University of East London, London E15 4LZ, UK
| | - Letizia Crocetti
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, Via Ugo Schiff 6, Sesto Fiorentino, University of Florence, 50019 Florence, Italy
| | - Maria Paola Giovannoni
- Neurofarba Department, Pharmaceutical and Nutraceutical Section, Via Ugo Schiff 6, Sesto Fiorentino, University of Florence, 50019 Florence, Italy
| | - Agostino Cilibrizzi
- Institute of Pharmaceutical Science, King's College London, Stamford Street, London SE1 9NH, UK
- Centre for Therapeutic Innovation, University of Bath, Bath BA2 7AY, UK
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Lapinskaite R, Atalay HN, Malatinec Š, Donmez S, Cinar ZO, Schwarz PF, Perhal AF, Císařová I, Labanauskas L, Karpiński TM, Dirsch VM, Tumer TB, Rycek L. Synthesis of Selagibenzophenone A and Its Derivatives for Evaluation of Their Antiproliferative, RORγ Inverse Agonistic, and Antimicrobial Effect**. ChemistrySelect 2023. [DOI: 10.1002/slct.202204816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Affiliation(s)
- Ringaile Lapinskaite
- Department of Organic Chemistry Faculty of Science Charles University Hlavova 8 128 00 Praha 2 Czech Republic
- Department of Organic Chemistry Center for Physical Sciences and Technology Akademijos g. 7 Vilnius 08412 Lithuania
| | - Hazal Nazlıcan Atalay
- Graduate Program of Molecular Biology and Genetics School of Graduate Studies Canakkale Onsekiz Mart University Canakkale 17020 Turkey
| | - Štefan Malatinec
- Department of Organic Chemistry Faculty of Science Charles University Hlavova 8 128 00 Praha 2 Czech Republic
| | - Serhat Donmez
- Graduate Program of Molecular Biology and Genetics School of Graduate Studies Canakkale Onsekiz Mart University Canakkale 17020 Turkey
| | - Zeynep Ozlem Cinar
- Graduate Program of Molecular Biology and Genetics School of Graduate Studies Canakkale Onsekiz Mart University Canakkale 17020 Turkey
| | - Patrik F. Schwarz
- Department of Pharmaceutical Sciences University of Vienna Josef-Holaubek-Platz 2 1090 Vienna Austria
| | - Alexander F. Perhal
- Department of Pharmaceutical Sciences University of Vienna Josef-Holaubek-Platz 2 1090 Vienna Austria
| | - Ivana Císařová
- Department of Inorganic Chemistry Faculty of Science Charles University Hlavova 8 128 00 Praha 2 Czech Republic
| | - Linas Labanauskas
- Department of Organic Chemistry Center for Physical Sciences and Technology Akademijos g. 7 Vilnius 08412 Lithuania
| | - Tomasz M. Karpiński
- Chair and Department of Medical Microbiology Poznań University of Medical Sciences Wieniawskiego 3 61-712 Poznań Poland
| | - Verena M. Dirsch
- Department of Pharmaceutical Sciences University of Vienna Josef-Holaubek-Platz 2 1090 Vienna Austria
| | - Tugba Boyunegmez Tumer
- Department of Molecular Biology and Genetics Faculty of Arts and Science Canakkale Onsekiz Mart University Canakkale 17020 Turkey
| | - Lukas Rycek
- Department of Organic Chemistry Faculty of Science Charles University Hlavova 8 128 00 Praha 2 Czech Republic
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Synthesis of 3-Hydroxy-9H-fluorene-2-carboxylates via Michael Reaction, Robinson Annulation, and Aromatization. ORGANICS 2022. [DOI: 10.3390/org3040031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
A series of 3-hydroxy-fluorene-2-carboxylate compounds were prepared from Michael addition of acetoacetate to 2-benzylideneindan-l-one followed by Robinson annulation and aromatization. In this reaction, we were able to isolate two Robinson annulation products and characterize them. This sequential reaction could proceed without the isolation of intermediates to give the desired products directly in reasonable yields.
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Review Marine Pharmacology in 2018: Marine Compounds with Antibacterial, Antidiabetic, Antifungal, Anti-Inflammatory, Antiprotozoal, Antituberculosis and Antiviral Activities; Affecting the Immune and Nervous Systems, and other Miscellaneous Mechanisms of Action. Pharmacol Res 2022; 183:106391. [DOI: 10.1016/j.phrs.2022.106391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 11/18/2022]
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Kunák D, Mateus M, Rycek L. Synthesis and Structure Confirmation of Selagibenzophenone C. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Dominik Kunák
- Charles University Faculty of Science: Univerzita Karlova Prirodovedecka fakulta Department of Organic Chemistry CZECH REPUBLIC
| | - Miguel Mateus
- Charles University Faculty of Science: Univerzita Karlova Prirodovedecka fakulta Department of Organic Chemistry CZECH REPUBLIC
| | - Lukas Rycek
- Charles University Faculty of Science: Univerzita Karlova Prirodovedecka fakulta Departmet of Organic Chemistry Hlavova 8 128 40 Prague CZECH REPUBLIC
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Liu Z, Liu M, Cao Z, Qiu P, Song G. Phosphodiesterase‑4 inhibitors: a review of current developments (2013-2021). Expert Opin Ther Pat 2022; 32:261-278. [PMID: 34986723 DOI: 10.1080/13543776.2022.2026328] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Cyclic nucleotide phosphodiesterase 4 (PDE4) is responsible for the hydrolysis of cAMP, which has become an attractive therapeutic target for lung, skin, and severe neurological diseases. Here, we review the current status of development of PDE4 inhibitors since 2013 and discuss the applicability of novel medicinal-chemistry strategies for identifying more efficient and safer inhibitors. AREAS COVERED This review summarizes the clinical development of PDE4 inhibitors from 2013 to 2021, focused on their pharmacophores, the strategies to reduce the side effects of PDE4 inhibitors and the development of subfamily selective PDE4 inhibitors. EXPERT OPINION To date, great efforts have been made in the development of PDE4 inhibitors, and researchers have established a comprehensive preclinical database and collected some promising data from clinical trials. Although four small-molecule PDE4 inhibitors have been approved by FDA for the treatment of human diseases up to now, further development of other reported PDE4 inhibitors with strong potency has been hampered due to the occurrence of severe side effects. There are currently three main strategies for overcoming the dose limitation and systemic side effects, which provide new opportunities for the clinical development of new PDE4 inhibitors.
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Affiliation(s)
- Zhihao Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Mingjian Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Zhenqing Cao
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Pengsen Qiu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
| | - Gaopeng Song
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, China
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Identification of phosphodiesterase-4 as the therapeutic target of arctigenin in alleviating psoriatic skin inflammation. J Adv Res 2021; 33:241-251. [PMID: 34603793 PMCID: PMC8463927 DOI: 10.1016/j.jare.2021.02.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 11/04/2020] [Accepted: 02/18/2021] [Indexed: 01/02/2023] Open
Abstract
Introduction Arctigenin, derived from Arctium lappa L., has multiple pharmacological activities, including immunoregulatory, anti-diabetic, anti-tumor, and neuroprotective effects. Nevertheless, the potential therapeutic target of arctigenin in modulating inflammation remains undefined. Objectives In the present study, we identified that arctigenin was a phosphodiesterase-4 (PDE4) selective inhibitor for the first time. Further investigations were performed to fully uncover the effects and mechanism of arctigenin on experimental murine psoriasis model. Methods Crystal structure determination, PDEs enzyme assay, and isothermal titration calorimetry were included to illustrate the binding specialty, inhibitory effects, and selectivity of arctigenin on PDE4D. The anti-inflammatory effects were conducted in LPS-activated human peripheral blood mononuclear cells (PBMCs) and RAW264.7 cells. Imiquimod-induced murine psoriasis was performed to uncover the therapeutic effects and mechanism of arctigenin in vivo. Results Arctigenin could bind to the catalytic domain of PDE4D via formation of hydrogen bonds as well as π-π stacking interactions between the dibenzyl butyrolactone of arctigenin and several residues of PDE4D. Accordingly, arctigenin showed prominent anti-inflammation in human PBMCs and murine RAW264.7 cells. PDE4 inhibition by arctigenin resulted in elevation of intracellular cyclic adenosine monophosphate (cAMP) and phosphorylation of cAMP-response element binding protein (CREB), which were largely blocked through intervention of protein kinase A (PKA) activity by H89 treatment or reduction of protein expression by siRNA transfection. Moreover, we first identified that a topical application of arctigenin ameliorated experimental psoriatic manifestations in imiquimod-induced murine psoriasis model by decreasing adhesion and chemotaxis of several inflammatory cells. Further proteomics analysis revealed that arctigenin could rectify the immune dysfunction and hyperactivation of keratinocytes in the inflamed skin microenvironments, which might be largely related to the expression of Keratins. Conclusion The research provided credible clew that inhibition of PDE4 by arctigenin might function as the potential therapeutic approach for the treatment of psoriasis.
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Fakhri S, Iranpanah A, Gravandi MM, Moradi SZ, Ranjbari M, Majnooni MB, Echeverría J, Qi Y, Wang M, Liao P, Farzaei MH, Xiao J. Natural products attenuate PI3K/Akt/mTOR signaling pathway: A promising strategy in regulating neurodegeneration. PHYTOMEDICINE 2021; 91:153664. [PMID: 34391082 DOI: 10.1016/j.phymed.2021.153664] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Revised: 07/04/2021] [Accepted: 07/12/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND As common, progressive, and chronic causes of disability and death, neurodegenerative diseases (NDDs) significantly threaten human health, while no effective treatment is available. Given the engagement of multiple dysregulated pathways in neurodegeneration, there is an imperative need to target the axis and provide effective/multi-target agents to tackle neurodegeneration. Recent studies have revealed the role of phosphoinositide 3-kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) in some diseases and natural products with therapeutic potentials. PURPOSE This is the first systematic and comprehensive review on the role of plant-derived secondary metabolites in managing and/or treating various neuronal disorders via the PI3K/Akt/mTOR signaling pathway. STUDY DESIGN AND METHODS A systematic and comprehensive review was done based on the PubMed, Scopus, Web of Science, and Cochrane electronic databases. Two independent investigators followed the PRISMA guidelines and included papers on PI3K/Akt/mTOR and interconnected pathways/mediators targeted by phytochemicals in NDDs. RESULTS Natural products are multi-target agents with diverse pharmacological and biological activities and rich sources for discovering and developing novel therapeutic agents. Accordingly, recent studies have shown increasing phytochemicals in combating Alzheimer's disease, aging, Parkinson's disease, brain/spinal cord damages, depression, and other neuronal-associated dysfunctions. Amongst the emerging targets in neurodegeneration, PI3K/Akt/mTOR is of great importance. Therefore, attenuation of these mediators would be a great step towards neuroprotection in such NDDs. CONCLUSION The application of plant-derived secondary metabolites in managing and/or treating various neuronal disorders through the PI3K/Akt/mTOR signaling pathway is a promising strategy towards neuroprotection.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran.
| | - Amin Iranpanah
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | | | - Seyed Zachariah Moradi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran; Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran.
| | - Mohammad Ranjbari
- Student Research Committee, Kermanshah University of Medical Sciences, Kermanshah, Iran.
| | | | - Javier Echeverría
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile.
| | - Yaping Qi
- Purdue Quantum Science and Engineering Institute, Purdue University, West Lafayette, IN 47907, USA.
| | - Mingfu Wang
- School of Biological Sciences, The University of Hong Kong, Hong Kong, PR China.
| | - Pan Liao
- Department of Biochemistry, Purdue University, West Lafayette, IN 47907, USA.
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran.
| | - Jianbo Xiao
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, China; Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, E-32004 Ourense, Spain.
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Cross-Coupling as a Key Step in the Synthesis and Structure Revision of the Natural Products Selagibenzophenones A and B. Catalysts 2021. [DOI: 10.3390/catal11060708] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Selagibenzophenone A (1) and its isomer selagibenzophenone B (2) were recently described as natural products from Selaginella genus plants with PDE4 inhibitory activity. Herein, we report the first total syntheses of both compounds. By comparing spectroscopic data of the synthetic compounds with reported data for the isolated material, we demonstrate that the structure of one of the two natural products was incorrectly assigned, and that in fact isolated selagibenzophenone A and selagibenzophenone B are identical compounds. The synthetic strategy for both 1 and 2 is based on a cross-coupling reaction and on the addition of organometallic species to assemble the framework of the molecules. Identifying a suitable starting material with the correct substitution pattern is crucial because its pattern is reflected in that of the targeted compounds. These syntheses are finalized via global deprotection. Protecting the phenols as methoxy groups provides the possibility for partial control over the selectivity in the demethylation thanks to differences in the reactivity of the various methoxy groups. Our findings may help in future syntheses of derivatives of the biologically active natural product and in understanding the structure–activity relationship.
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Morarescu O, Traistari M, Barba A, Duca G, Ungur N, Kulcițki V. One-step Selective Synthesis of 13-epi-manoyl Oxide. CHEMISTRY JOURNAL OF MOLDOVA 2021. [DOI: 10.19261/cjm.2021.820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
The selective one-step synthesis of 13-epi-manoyl oxide is reported based on a low-temperature superacidic cyclization of sclareol. The reaction conditions have been finely tuned in order to achieve a 9:1 ratio between epimeric oxides in favor of the desired 13-epi-oxide.
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Song Z, Yao C, Wang S, Yan B, Wu Y, Song S, Liu X, Wu L, Gong X, He L, He Z, Ruan L, Miao J. Aromatin D-J: Seven previously undescribed labdane diterpenoids isolated from Blumea aromatica. PHYTOCHEMISTRY 2021; 184:112659. [PMID: 33461045 DOI: 10.1016/j.phytochem.2021.112659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 06/12/2023]
Abstract
Blumea aromatica is a traditional Chinese medicine used for treating various diseases such as rheumatoid arthritis, eczema, and pruritus. Previous studies on B. aromatica used a mass defect-filtering strategy via the ultra-high-performance liquid chromatography-quadrupole time-of-flight mass spectrometry and reported the presence of several labdane diterpenoids (LADs). To determine the actual structures of these LADs and investigate their biological activities, seven previously undescribed LADs (aromatin D-J) were isolated from the whole B. aromatica herb. The structures of these isolated compounds were characterized using high-resolution mass spectrometry and extensive 1D and 2D NMR analyses. In addition, the absolute configurations of these compounds were determined by comparing the experimental and calculated electronic circular dichroism (ECD) spectra as well as using X-ray crystallographic analysis. All isolated compounds were evaluated for their ability to activate adenylate cyclase by measuring the levels of cyclic adenosine 3',5'-monophosphate (cAMP) in rat ventricular tissue. Aromatin E, F, and J showed moderate activities with an increase in cAMP levels by 67%, 69%, and 64%, respectively, compared with the control group.
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Affiliation(s)
- Zhijun Song
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Caiyun Yao
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Shuo Wang
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Bingxiong Yan
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Yunqiu Wu
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Shanshan Song
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China; State Key Laboratory of Quality Research in Chinese Medicine, Faculty of Chinese Medicine, Macau University of Science and Technology, China
| | - Xihui Liu
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Lingling Wu
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Xiaomei Gong
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Lili He
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
| | - Zhizhou He
- School of Chemistry and Chemical Engineering, Guangzhou University, 230# Wai Huan Xi Road, Guangzhou Higher Education Mega Center, Guangzhou, 510006, China
| | - Lijun Ruan
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China.
| | - Jianhua Miao
- Guangxi Botanical Garden of Medicinal Plants, Chang Gang Road 189, Nanning, 530023, Guangxi Province, China
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Chen CZ, Xu M, Pradhan M, Gorshkov K, Petersen JD, Straus MR, Zhu W, Shinn P, Guo H, Shen M, Klumpp-Thomas C, Michael SG, Zimmerberg J, Zheng W, Whittaker GR. Identifying SARS-CoV-2 Entry Inhibitors through Drug Repurposing Screens of SARS-S and MERS-S Pseudotyped Particles. ACS Pharmacol Transl Sci 2020; 3:1165-1175. [PMID: 33330839 PMCID: PMC7586456 DOI: 10.1021/acsptsci.0c00112] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Indexed: 12/12/2022]
Abstract
While vaccine development will hopefully quell the global pandemic of COVID-19 caused by SARS-CoV-2, small molecule drugs that can effectively control SARS-CoV-2 infection are urgently needed. Here, inhibitors of spike (S) mediated cell entry were identified in a high throughput screen of an approved drugs library with SARS-S and MERS-S pseudotyped particle entry assays. We discovered six compounds (cepharanthine, abemaciclib, osimertinib, trimipramine, colforsin, and ingenol) to be broad spectrum inhibitors for spike-mediated entry. This work could contribute to the development of effective treatments against the initial stage of viral infection and provide mechanistic information that might aid the design of new drug combinations for clinical trials for COVID-19 patients.
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Affiliation(s)
- Catherine Z. Chen
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Miao Xu
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Manisha Pradhan
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Kirill Gorshkov
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Jennifer D. Petersen
- Section
on Integrative Biophysics, Division of Basic and Translational Biophysics, Eunice Kennedy Shriver National Institute of Child
Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Marco R. Straus
- Department
of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, United States
| | - Wei Zhu
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Paul Shinn
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Hui Guo
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Min Shen
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Carleen Klumpp-Thomas
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Samuel G. Michael
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Joshua Zimmerberg
- Section
on Integrative Biophysics, Division of Basic and Translational Biophysics, Eunice Kennedy Shriver National Institute of Child
Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Wei Zheng
- National
Center for Advancing Translational Sciences, National Institutes of Health, Rockville, Maryland 20850, United States
| | - Gary R. Whittaker
- Department
of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, United States
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15
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Abdjan MI, Aminah NS, Siswanto I, Thant TM, Kristanti AN, Takaya Y. In silico approach: biological prediction of nordentatin derivatives as anticancer agent inhibitors in the cAMP pathway. RSC Adv 2020; 10:42733-42743. [PMID: 35514899 PMCID: PMC9058016 DOI: 10.1039/d0ra07838g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 11/06/2020] [Indexed: 11/23/2022] Open
Abstract
A combination of computational techniques has been carried out to predict the binding of nordentatin derivatives based on pyranocoumarin semi-synthesis with the target protein from the expression of the PDE4B gene. The inhibition of the cAMP pathway is the main target of anti-cancer drugs, which is responsible for uncontrolled cell division in cancer. Modeling was done using a combination of semi-empirical methods and the density functional theory (PM3-DFT/6-31G*/B3LYP) to obtain the optimal structure of a small ligand that could be modeled. Studies on the interaction of the ligands and amino acid residues on protein targets were carried out using a combination of molecular docking and molecular dynamic simulation. Molecular docking based on functional grid scores showed a very good native ligand pose with an RMSD of 0.93 Å in determining the initial coordinates of the ligand-receptor interactions. Furthermore, the amino acid residues responsible for interaction through H-bonds were Tyr103, His104, His177, Met217, and Gln313. The binding free energy (kcal mol-1) results of the candidates were PS-1 (-36.84 ± 0.31), PS-2 (-35.34 ± 0.28), PS-3 (-26.65 ± 0.30), PS-5 (-42.66 ± 0.26), PS-7 (-35.33 ± 0.23), and PS-9 (-32.57 ± 0.20), which are smaller than that of the native ligand Z72 (-24.20 ± 0.19), and thus these have good potential as drugs that can inhibit the cAMP pathway. These results provide theoretical information for the efficient inhibition of the cAMP pathway in the future.
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Affiliation(s)
- Muhammad Ikhlas Abdjan
- Departement of Chemistry, Faculty of Science and Technology, Universitas Airlangga Surabaya 60115 Indonesia
| | - Nanik Siti Aminah
- Departement of Chemistry, Faculty of Science and Technology, Universitas Airlangga Surabaya 60115 Indonesia
- Biotechnology of Tropical Medicinal Plants Research Group, Universitas Airlangga Indonesia
| | - Imam Siswanto
- Departement of Chemistry, Faculty of Science and Technology, Universitas Airlangga Surabaya 60115 Indonesia
| | - Tin Myo Thant
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C Jl. Mulyorejo Surabaya Indonesia 60115
- Department of Chemistry, Mandalar Degree College Mandalay Myanmar
| | - Alfinda Novi Kristanti
- Departement of Chemistry, Faculty of Science and Technology, Universitas Airlangga Surabaya 60115 Indonesia
- Biotechnology of Tropical Medicinal Plants Research Group, Universitas Airlangga Indonesia
| | - Yoshiaki Takaya
- Faculty of Pharmacy, Meijo University 150 Yagotoyama, Tempaku Nagoya 468-8503 Japan
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16
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Chen CZ, Xu M, Pradhan M, Gorshkov K, Petersen J, Straus MR, Zhu W, Shinn P, Guo H, Shen M, Klumpp-Thomas C, Michael SG, Zimmerberg J, Zheng W, Whittaker GR. Identifying SARS-CoV-2 entry inhibitors through drug repurposing screens of SARS-S and MERS-S pseudotyped particles. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2020. [PMID: 32839777 DOI: 10.1101/2020.07.10.197988] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
While vaccine development will hopefully quell the global pandemic of COVID-19 caused by SARS-CoV-2, small molecule drugs that can effectively control SARS-CoV-2 infection are urgently needed. Here, inhibitors of spike (S) mediated cell entry were identified in a high throughput screen of an approved drugs library with SARS-S and MERS-S pseudotyped particle entry assays. We discovered six compounds (cepharanthine, abemaciclib, osimertinib, trimipramine, colforsin, and ingenol) to be broad spectrum inhibitors for spike-mediated entry. This work should contribute to the development of effective treatments against the initial stage of viral infection, thus reducing viral burden in COVID-19 patients. Abstract Figure
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17
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Peng T, Qi B, He J, Ke H, Shi J. Advances in the Development of Phosphodiesterase-4 Inhibitors. J Med Chem 2020; 63:10594-10617. [PMID: 32255344 DOI: 10.1021/acs.jmedchem.9b02170] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Cyclic nucleotide phosphodiesterase 4 (PDE4) specifically hydrolyzes cyclic adenosine monophosphate (cAMP) and plays vital roles in biological processes such as cancer development. To date, PDE4 inhibitors have been widely studied as therapeutics for the treatment of various diseases such as chronic obstructive pulmonary disease, and many of them have progressed to clinical trials or have been approved as drugs. Herein, we review the advances in the development of PDE4 inhibitors in the past decade and will focus on their pharmacophores, PDE4 subfamily selectivity, and therapeutic potential. Hopefully, this analysis will lead to a strategy for development of novel therapeutics targeting PDE4.
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Affiliation(s)
- Ting Peng
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine of University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Baowen Qi
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Jun He
- Cancer Center, Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Sichuan 610041, China
| | - Hengming Ke
- Department of Biochemistry and Biophysics, and Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, North Carolina 27599, United States
| | - Jianyou Shi
- Personalized Drug Therapy Key Laboratory of Sichuan Province, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine of University of Electronic Science and Technology of China, Chengdu 610072, China
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18
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Bizzarri M, Giuliani A, Cucina A, Minini M. Redifferentiation therapeutic strategies in cancer. Drug Discov Today 2020; 25:731-738. [PMID: 32027971 DOI: 10.1016/j.drudis.2020.01.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 01/10/2020] [Accepted: 01/28/2020] [Indexed: 12/21/2022]
Abstract
The widely recognized problems of pharmacological strategies based on killing cancer cells demand a rethink of therapeutic approaches. Tumor reversion strategies that aim to shift cancer cells to a healthy differentiated state are a promising alternative. Although many studies have firmly demonstrated the possibility of reverting cancer to a normal differentiated state, we are still unable (with the exception of retinoic acid in a form of leukemia) to revert cancer cells to a stable differentiated healthy state. Here, we review the main biological bases of redifferentiation strategies and provide a description of the most promising research avenues.
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Affiliation(s)
- Mariano Bizzarri
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; Systems Biology Group Lab, Sapienza University, Rome, Italy.
| | | | - Alessandra Cucina
- Department of Surgery 'Pietro Valdoni', Sapienza University of Rome, 00161 Rome, Italy; Azienda Policlinico Umberto I, 00161 Rome, Italy
| | - Mirko Minini
- Department of Experimental Medicine, Sapienza University of Rome, 00161 Rome, Italy; Department of Surgery 'Pietro Valdoni', Sapienza University of Rome, 00161 Rome, Italy
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19
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Luo M, Yang ZQ, Huang JC, Wang YS, Guo B, Yue ZP. Genistein protects ovarian granulosa cells from oxidative stress via cAMP-PKA signaling. Cell Biol Int 2019; 44:433-445. [PMID: 31579960 DOI: 10.1002/cbin.11244] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 09/22/2019] [Indexed: 01/09/2023]
Abstract
Genistein is an isoflavone that has estrogen (E2 )-like activity and is beneficial for follicular development, but little is known regarding its function in oxidative stress (OS)-mediated granulosa cell (GC) injury. Here, we found that after exposure to H2 O2 , Genistein weakened the elevated levels of intracellular reactive oxygen species (ROS) and malondialdehyde (MDA), which were regarded as the biomarkers for OS, and rescued glutathione (GSH) content and GSH/GSSG ratio accompanying with a simultaneous increase in cyclic adenosine monophosphate (cAMP) level, whereas addition of protein kinase A (PKA) inhibitor H89 impeded the effects of Genistein on the levels of ROS and MDA. Further analysis evidenced that Genistein enhanced the activities of antioxidant enzymes superoxide dismutase (SOD), GSH-peroxidase (GSH-Px), and catalase (CAT) in H2 O2 -treated GCs, but this enhancement was attenuated by H89. Under OS, Genistein improved cell viability and lessened the apoptotic rate of GCs along with a reduction in the activity of Casp3 and levels of Bax and Bad messenger RNA (mRNA), while H89 reversed the above effects. Moreover, Genistein treatment caused an obvious elevation in mitochondrial membrane potential (MMP) followed by a decline in the levels of intracellular mitochondrial superoxide, but H89 inhibited the regulation of Genistein on MMP and mitochondrial superoxide. Supplementation of Genistein promoted the secretion of E2 and increased the expression of Star and Cyp19a1 mRNA, whereas suppressed the level of progesterone (P4 ) accompanied with a decline in the level of Hsd3b1 mRNA expression. H89 blocked the regulation of Genistein on the secretion of E2 and P4 , and alleviated the ascending of Star and Cyp19a1 elicited by Genistein. Collectively, Genistein protects GCs from OS via cAMP-PKA signaling.
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Affiliation(s)
- Man Luo
- College of Veterinary Medicine, Jilin University, Changchun, 130062, Jilin, China
| | - Zhan-Qing Yang
- College of Veterinary Medicine, Jilin University, Changchun, 130062, Jilin, China
| | - Ji-Cheng Huang
- College of Veterinary Medicine, Jilin University, Changchun, 130062, Jilin, China
| | - Yu-Si Wang
- College of Veterinary Medicine, Jilin University, Changchun, 130062, Jilin, China
| | - Bin Guo
- College of Veterinary Medicine, Jilin University, Changchun, 130062, Jilin, China
| | - Zhan-Peng Yue
- College of Veterinary Medicine, Jilin University, Changchun, 130062, Jilin, China
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20
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Bawari S, Tewari D, Argüelles S, Sah AN, Nabavi SF, Xu S, Vacca RA, Nabavi SM, Shirooie S. Targeting BDNF signaling by natural products: Novel synaptic repair therapeutics for neurodegeneration and behavior disorders. Pharmacol Res 2019; 148:104458. [DOI: 10.1016/j.phrs.2019.104458] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/13/2019] [Accepted: 09/15/2019] [Indexed: 12/12/2022]
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21
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Yaragorla S, Rajesh P. An efficient Benzannulation protocol for the synthesis of 9,9-Diphenyl-9H
-fluorenols using Intramolecular Allene Friedel-Crafts Annulation. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900895] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Srinivasarao Yaragorla
- School of Chemistry; Gurbaksh Building, W-16, 17; University of Hyderabad; P.O. Central University, Gachibowli 5000046 Hyderabad Telangana State India
| | - P. Rajesh
- School of Chemistry; Gurbaksh Building, W-16, 17; University of Hyderabad; P.O. Central University, Gachibowli 5000046 Hyderabad Telangana State India
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