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Biharee A, Singh Y, Kulkarni S, Jangid K, Kumar V, Jain AK, Thareja S. An amalgamated molecular dynamic and Gaussian based 3D-QSAR study for the design of 2,4-thiazolidinediones as potential PTP1B inhibitors. J Mol Graph Model 2024; 127:108695. [PMID: 38118354 DOI: 10.1016/j.jmgm.2023.108695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 12/10/2023] [Accepted: 12/11/2023] [Indexed: 12/22/2023]
Abstract
Overexpression of protein tyrosine phosphatase 1B (PTP1B) is the major cause of various diseases such as diabetes, obesity, and cancer. PTP1B has been identified as a negative regulator of the insulin signaling cascade, thereby causing diabetes. Numerous anti-diabetic medications based on thiazolidinedione have been successfully developed; however, 2,4-thiazolidinedione (2,4-TZD) scaffolds have been reported as potential PTP1B inhibitors for the manifestation of type 2 diabetes mellitus involving insulin resistance. In the present study, we have employed amalgamated approach involving MD-simulation studies (100 ns) as well as Gaussian field-based 3D-QSAR to develop a pharmacophoric model of 2,4-TZD as potent PTP1B inhibitors. MD simulation studies of the most potent compound in the PTP1B (PDB Id: 2QBS) binding pocket revealed that compound 43 was stable in the binding pocket and demonstrated excellent binding efficacy within the active site pocket. MM/GBSA results revealed that compound 43, bearing C-5 arylidine substitution, strongly bound to the target as compared to rosiglitazone with ΔGMM/GBSA difference of -11.13 kcal/mol. PCA, Rg, RMSF, RMSD, and SASA were analyzed from the complex's trajectories to anticipate the simulation outcome. We have suggested a series of 2,4-TZD as possible PTP1B inhibitors based on the results of MD simulation and 3D-QSAR studies.
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Affiliation(s)
- Avadh Biharee
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda, Punjab, 151401, India
| | - Yogesh Singh
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda, Punjab, 151401, India
| | - Swanand Kulkarni
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda, Punjab, 151401, India
| | - Kailash Jangid
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda, Punjab, 151401, India
| | - Vinod Kumar
- Laboratory of Organic and Medicinal Chemistry, Department of Chemistry, Central University of Punjab, Bathinda, Punjab, 151401, India
| | - Akhlesh Kumar Jain
- School of Pharmaceutical Sciences, Guru Ghasidas Central University, Bilaspur, C.G., 495 009, India.
| | - Suresh Thareja
- Department of Pharmaceutical Sciences and Natural Products, Central University of Punjab, Ghudda, Bathinda, Punjab, 151401, India.
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Derki NEH, Kerassa A, Belaidi S, Derki M, Yamari I, Samadi A, Chtita S. Computer-Aided Strategy on 5-(Substituted benzylidene) Thiazolidine-2,4-Diones to Develop New and Potent PTP1B Inhibitors: QSAR Modeling, Molecular Docking, Molecular Dynamics, PASS Predictions, and DFT Investigations. Molecules 2024; 29:822. [PMID: 38398573 PMCID: PMC10892620 DOI: 10.3390/molecules29040822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 01/26/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
A set of 5-(substituted benzylidene) thiazolidine-2,4-dione derivatives was explored to study the main structural requirement for the design of protein tyrosine phosphatase 1B (PTP1B) inhibitors. Utilizing multiple linear regression (MLR) analysis, we constructed a robust quantitative structure-activity relationship (QSAR) model to predict inhibitory activity, resulting in a noteworthy correlation coefficient (R2) of 0.942. Rigorous cross-validation using the leave-one-out (LOO) technique and statistical parameter calculations affirmed the model's reliability, with the QSAR analysis revealing 10 distinct structural patterns influencing PTP1B inhibitory activity. Compound 7e(ref) emerged as the optimal scaffold for drug design. Seven new PTP1B inhibitors were designed based on the QSAR model, followed by molecular docking studies to predict interactions and identify structural features. Pharmacokinetics properties were assessed through drug-likeness and ADMET studies. After that density functional theory (DFT) was conducted to assess the stability and reactivity of potential diabetes mellitus drug candidates. The subsequent dynamic simulation phase provided additional insights into stability and interactions dynamics of the top-ranked compound 11c. This comprehensive approach enhances our understanding of potential drug candidates for treating diabetes mellitus.
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Affiliation(s)
- Nour-El Houda Derki
- VTRS Laboratory, Faculty of Sciences, University of El Oued, P.O. Box 789, El Oued 39000, Algeria (A.K.)
| | - Aicha Kerassa
- VTRS Laboratory, Faculty of Sciences, University of El Oued, P.O. Box 789, El Oued 39000, Algeria (A.K.)
- Group of Computational and Medicinal Chemistry, Laboratory of Molecular Chemistry and Environment, University of Biskra, P.O. Box 145, Biskra 07000, Algeria;
| | - Salah Belaidi
- Group of Computational and Medicinal Chemistry, Laboratory of Molecular Chemistry and Environment, University of Biskra, P.O. Box 145, Biskra 07000, Algeria;
| | - Maroua Derki
- VTRS Laboratory, Faculty of Sciences, University of El Oued, P.O. Box 789, El Oued 39000, Algeria (A.K.)
| | - Imane Yamari
- Laboratory of Analytical and Molecular Chemistry, Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco
| | - Abdelouahid Samadi
- Department of Chemistry, College of Science, UAEU, Al Ain P.O. Box 15551, United Arab Emirates
| | - Samir Chtita
- Laboratory of Analytical and Molecular Chemistry, Faculty of Sciences Ben M’Sik, Hassan II University of Casablanca, Sidi Othman, Casablanca P.O. Box 7955, Morocco
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Zhao TT, Hu HJ, Gao LX, Zhou YB, Zhu YL, Zhang C, Li J, Wang WL. Exploring the mechanism of the PTP1B inhibitors by molecular dynamics and experimental study. J Mol Graph Model 2023; 125:108585. [PMID: 37544021 DOI: 10.1016/j.jmgm.2023.108585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/27/2023] [Accepted: 07/31/2023] [Indexed: 08/08/2023]
Abstract
Protein tyrosine phosphatase 1B (PTP1B) has proven to be an attractive target for the treatment of cancer, diabetes and other diseases. Although many PTP1B inhibitors with various scaffolds have been developed, there is still a lack of PTP1B inhibitor with high specificity and acceptable pharmacological properties. Therefore, it is urgent to develop more methods to explore complex action mode of PTP1B and ligands for designing ideal PTP1B modulators. In this work, we developed a potential molecular dynamics (MD) analytic mode to analyze the mechanism of active compounds 6a and 6e against PTP1B from different perspectives, including the stable ability, interactions and binding site of ligand and protein, the binding energy, relative movement between residues and changes in protein internal interactions. The simulated results demonstrated that compound 6a bound more stably to the active pocket of PTP1B than 6e due to its smaller molecular volume (326 Å3), matched electronegativity, and enhanced the positive correlation motion of residues, especially for WPD loop and P loop. Lastly, compound 6a as a competitive inhibitor for PTP1B was verified by enzyme kinetic assay. This work successfully studied the mechanism of compound 6a against PTP1B from various aspects, enriched the analysis of interaction mode between PTP1B and inhibitors. In summary, we hope that this work could provide more theoretical information for designing and developing more novel and ideal PTP1B inhibitors in the future.
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Affiliation(s)
- Tian-Tian Zhao
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China
| | - Hao-Jie Hu
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China
| | - Li-Xin Gao
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China; State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yu-Bo Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yun-Long Zhu
- Wuxi Maternal and Child Health Hospital, Wuxi School of Medicine, Jiangnan University, Jiangsu, 214002, China.
| | - Chun Zhang
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China.
| | - Jia Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
| | - Wen-Long Wang
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China.
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Li N, Li X, Deng M, Zhu F, Wang Z, Sheng R, Wu W, Guo R. Isosteviol derivatives as protein tyrosine Phosphatase-1B inhibitors: Synthesis, biological evaluation and molecular docking. Bioorg Med Chem 2023; 83:117240. [PMID: 36963270 DOI: 10.1016/j.bmc.2023.117240] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/02/2023] [Accepted: 03/10/2023] [Indexed: 03/19/2023]
Abstract
Protein tyrosine phosphatase (PTP1B) antagonizes insulin signaling and acts as a potential therapeutic target for insulin resistance associated with obesity and type II diabetes. In this work, a series of isosteviol derivatives 1-28 was synthesized and the inhibitory activity on PTP1B was evaluated by double antibody sandwich ELISA (DAS-ELISA) in vitro. Most isosteviol derivatives showed moderate PTP1B inhibitory activities. Among them, derivatives 10, 13, 24, 27 showed remarkable bioactivities with IC50 values ranging from 0.24 to 0.40 µM. Particularly, derivative 24 exhibited the best inhibitory activity against PTP1B (IC50 = 0.24 µM) in vitro; moreover, it showed 7-fold selectivity to PTP1B over T-cell protein tyrosine phosphatase (TCPTP) and 14-fold selectivity to PTP1B over cell division cycle 25 homolog B (CDC25B). Molecular docking studies demonstrated the hydrogen bond interaction between 24 and LYS-116 residue in PTP1B might be essential for the inhibitory activity. The results suggested that derivative 24 has great potential to be employed as drug candidate for the treatment of obesity and type II diabetes.
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Affiliation(s)
- Na Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Xinyu Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Meidi Deng
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Feifei Zhu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Zian Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Ruilong Sheng
- CQM-Centro de Química da Madeira, Campus da Penteada, Universidade da Madeira, 9000-390 Funchal, Portugal
| | - Wenhui Wu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Ruihua Guo
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China; Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China.
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Devi B, Vasishta SS, Das B, Baidya ATK, Rampa RS, Mahapatra MK, Kumar R. Integrated use of ligand and structure-based virtual screening, molecular dynamics, free energy calculation and ADME prediction for the identification of potential PTP1B inhibitors. Mol Divers 2023:10.1007/s11030-023-10608-8. [PMID: 36745307 DOI: 10.1007/s11030-023-10608-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 01/20/2023] [Indexed: 02/07/2023]
Abstract
Protein tyrosine phosphatases (PTPs) are the group of enzymes that control both cellular activity and the dephosphorylation of tyrosine (Tyr)-phosphorylated proteins. Dysregulation of PTP1B has contributed to numerous diseases including Diabetes Mellitus, Alzheimer's disease, and obesity rendering PTP1B as a legitimate target for therapeutic applications. It is highly challenging to target this enzyme because of its highly conserved and positively charged active-site pocket motivating researchers to find novel lead compounds against it. The present work makes use of an integrated approach combining ligand-based and structure-based virtual screening to find hit compounds targeting PTP1B. Initially, pharmacophore modeling was performed to find common features like two hydrogen bond acceptors, an aromatic ring and one hydrogen bond donor from the potent PTP1B inhibitors. The dataset of compounds matching with the common pharmacophoric features was filtered to remove Pan-Assay Interference substructure and to match the Lipinski criteria. Then, compounds were further prioritized using molecular docking and top fifty compounds with good binding affinity were selected for absorption, distribution, metabolism, and excretion (ADME) predictions. The top five compounds with high solubility, absorption and permeability holding score of - 10 to - 9.3 kcal/mol along with Ertiprotafib were submitted to all-atom molecular dynamic (MD) studies. The MD studies and binding free energy calculations showed that compound M4, M5 and M8 were having better binding affinity for PTP1B enzyme with ∆Gtotal score of - 24.25, - 31.47 and - 33.81 kcal/mol respectively than other compounds indicating that compound M8 could be a suitable lead compound as PTP1B inhibitor.
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Affiliation(s)
- Bharti Devi
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (B.H.U.), Varanasi, UP, 221005, India
| | - Sumukh Satyanarayana Vasishta
- Department of Chemical Engineering & Technology, Indian Institute of Technology (B.H.U.), Varanasi, UP, 221005, India
| | - Bhanuranjan Das
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (B.H.U.), Varanasi, UP, 221005, India
| | - Anurag T K Baidya
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (B.H.U.), Varanasi, UP, 221005, India
| | - Rahul Salmon Rampa
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (B.H.U.), Varanasi, UP, 221005, India
| | | | - Rajnish Kumar
- Department of Pharmaceutical Engineering & Technology, Indian Institute of Technology (B.H.U.), Varanasi, UP, 221005, India.
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Deshmukh SK, Agrawal S, K Gupta M. Fungal metabolites: A potential source of antidiabetic agents with particular reference to PTP1B inhibitors51. Curr Pharm Biotechnol 2022; 24:927-945. [PMID: 35524660 DOI: 10.2174/1389201023666220506104219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/14/2022] [Accepted: 03/16/2022] [Indexed: 11/22/2022]
Abstract
Diabetes is a growing health concern worldwide because it affects people of all age groups and increases the risk of other diseases such as renal impairment and neural and cardiovascular disorders. Oral hypoglycemic drugs mainly control diabetes; however, their associated side effects limit their use in patients with other complications. PTP1B is a viable drug target to explore new antidiabetic drugs. PTP1B acts as a negative regulator of the insulin-signaling pathway, and therefore, PTP1B inhibitors display antihyperglycemic activity. Several classes of compounds from natural and synthetic sources act as PTP1B inhibitors. Fungi are comprehensive in their diversity and recognized as a valuable source for therapeutically active molecules. In recent years, researchers have reported diverse classes of fungal secondary metabolites as potent PTP1B inhibitors. Some metabolites such as 6-O-methylalaternin, fumosorinone A, nordivaricatic acid, and the divarinyl divarate showed good activity and can be taken forward as a lead to develop novel PTP1B inhibitors and antidiabetic drugs. Therefore, the present review focuses on the fungal metabolites identified in the last five years possessing PTP1B inhibitory activity. A total of 128 metabolites are reviewed. Their fungal species and source, chemical structure, and activity in terms of IC50 are highlighted.
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Affiliation(s)
- Sunil Kumar Deshmukh
- TERI-Deakin Nano Biotechnology Centre, The Energy and Resources Institute (TERI), Darbari Seth Block, IHC Complex, Lodhi Road, New Delhi 110003, India
| | - Shivankar Agrawal
- National Institute of Traditional Medicine, Indian Council of Medical Research (ICMR), Department of Health Research (Government of India), Nehru Nagar, Belagavi 590010, Karnataka, India
| | - Manish K Gupta
- SGT College of Pharmacy, SGT University, Gurugram-122505 (HR), India
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Yang XT, Li TZ, Geng CA, Liu P, Chen JJ. Synthesis and biological evaluation of (20 S,24 R)-epoxy-dammarane-3β,12β,25-triol derivatives as α-glucosidase and PTP1B inhibitors. Med Chem Res 2022; 31:350-367. [PMID: 35035203 PMCID: PMC8749348 DOI: 10.1007/s00044-021-02836-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 12/07/2021] [Indexed: 11/27/2022]
Abstract
The dammarane triterpenoid (20S,24R)-epoxy-dammarane-3β,12β,25-triol obtained from Cyclocarya paliurus in our previous study showed inhibitory activity on α-glucosidase in vitro with an inhibitory ratio of 32.2% at the concentration of 200 μM. In order to reveal the structure-activity relationships (SARs) and get more active compounds, 42 derivatives of (20S,24R)-epoxy-dammarane-3β,12β,25-triol were synthesized by chemical modification on the hydroxyls (C-3 and C-12), rings A and E, and assayed for their α-glucosidase and PTP1B inhibitory activities. Two compounds (8, 26) increased activity against α-glucosidase, and four compounds (8, 15, 26, 42) significantly inhibited PTP1B. It was noted that compounds 8 and 26 could inhibit both α-glucosidase and PTP1B as dual-target inhibitors with IC50 values of 489.8, 467.7 μM (α-glucosidase) and 319.7, 269.1 μM (PTP1B). Compound 26 was revealed to be a mix-type inhibitor on α-glucosidase and a noncompetitive-type inhibitor on PTP1B based on enzyme kinetic study. Furthermore, compound 42 could selectively inhibited PTP1B as a mix-type inhibitor with IC50 value of 134.9 μM, which was 2.5-fold higher than the positive control, suramin sodium (IC50 339.0 μM), but not inhibit α-glucosidase. ![]()
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Affiliation(s)
- Xiao-Tong Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences; Yunnan Key Laboratory of Natural Medicinal Chemistry, 650201 Kunming, People's Republic of China
| | - Tian-Ze Li
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences; Yunnan Key Laboratory of Natural Medicinal Chemistry, 650201 Kunming, People's Republic of China
| | - Chang-An Geng
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences; Yunnan Key Laboratory of Natural Medicinal Chemistry, 650201 Kunming, People's Republic of China
| | - Pei Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences; Yunnan Key Laboratory of Natural Medicinal Chemistry, 650201 Kunming, People's Republic of China
| | - Ji-Jun Chen
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences; Yunnan Key Laboratory of Natural Medicinal Chemistry, 650201 Kunming, People's Republic of China.,University of Chinese Academy of Sciences, 100049 Beijing, People's Republic of China
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Nandi S, Saxena M. Potential Inhibitors of Protein Tyrosine Phosphatase (PTP1B) Enzyme: Promising Target for Type-II Diabetes Mellitus. Curr Top Med Chem 2021; 20:2692-2707. [PMID: 32888269 DOI: 10.2174/1568026620999200904121432] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 06/19/2020] [Accepted: 07/20/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND There has been growing interest in the development of highly potent and selective protein tyrosine phosphatase (PTP1B) inhibitors for the past 2-3 decades. Though most PTPs share a common active site motif, the interest in selective inhibitors, particularly against PTP1B is increasing to discover new chemical entities as antidiabetic agents. In the current paradigm to find potent and selective PTP1B inhibitors, which is currently considered as one of the best validated biological targets for non-insulin-dependent diabetic and obese individuals, resistance to insulin due to decreased sensitivity of the insulin receptor is a pathological factor and is also genetically linked, causing type II diabetes. OBJECTIVE Insulin receptor sensitization is performed by a signal transduction mechanism via a selective protein tyrosine phosphatase (PTP1B). After the interaction of insulin with its receptor, autophosphorylation of the intracellular part of the receptor takes place, turning it into an active kinase (sensitization). PTP1B is involved in the desensitization of the receptor by dephosphorylation. PTP1b inhibitors delay the receptor desensitization, prolonging insulin effect and making PTP1B as a drug target for the treatment of diabetes II. Therefore, it has become a major target for the discovery of potent drugs for the treatment of type II diabetes and obesity. An attempt has been made in the present study to discuss the latest design and discovery of protein tyrosine phosphatase (PTP1B) inhibitors. METHODS Many PTP1B inhibitors such as diaminopyrroloquinazoline, triazines, pyrimido triazine derivatives, 2-(benzylamino)-1-phenylethanol, urea, acetamides and piperazinylpropanols, phenylsulphonamides and phenylcarboxamide, benzamido, arylcarboxylic acid derivatives, arylsupfonyl derivatives, thiazoles, isothiozolidiones and thiazolodinones have been discussed, citing the disease mechanisms. RESULTS The reader will gain an overview of the structure and biological activity of recently developed PTPs inhibitors. CONCLUSION The co-crystallized ligands and the screened inhibitors could be used as a template for the further design of potent congeners.
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Affiliation(s)
- Sisir Nandi
- Department of Pharmaceutical Chemistry, Global Institute of Pharmaceutical Education and Research, Affiliated to Uttarakhand Technical University, Kashipur-244713, India
| | - Mridula Saxena
- Department of Chemistry, Amity University, Lucknow Campus, Lucknow, UP 226010, India
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Menezes JCJMDS, Diederich MF. Bioactivity of natural biflavonoids in metabolism-related disease and cancer therapies. Pharmacol Res 2021; 167:105525. [PMID: 33667686 DOI: 10.1016/j.phrs.2021.105525] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/06/2021] [Accepted: 02/27/2021] [Indexed: 12/17/2022]
Abstract
Natural biflavonoids, such as amentoflavone, bilobetin, ginkgetin, isoginkgetin, taiwaniaflavone, morelloflavone, delicaflavone, hinokiflavone, and other derivatives (~ 40 biflavonoids), are isolated from Selaginella sp., Ginkgo biloba, Garcinia sp., and several other species of plants. They are able to exert therapeutic benefits by regulating several proteins/enzymes (PPAR-γ, CCAAT/enhancer-binding protein α [C/EBPα], STAT5, pancreatic lipase, PTP1B, fatty acid synthase, α-glucosidase [AG]) and insulin signaling pathways (via PI3K-AKT), which are linked to metabolism, cell growth, and cell survival mechanisms. Deregulated insulin signaling can cause complications of obesity and diabetes, which can lead to cognitive disorders such as Alzheimer's, Parkinson's, and dementia; therefore, the therapeutic benefits of these biflavones in these areas are highlighted. Since biflavonoids have shown potential to regulate metabolism, growth- and survival-related protein/enzymes, their relation to tumor growth and metastasis of cancer associated with angiogenesis are highlighted. The translational role of biflavones in cancer with respect to the inhibition of metabolism-related processes/pathways, enzymes, or proteins, such as STAT3/SHP-1/PTEN, kinesins, tissue kallikreins, aromatase, estrogen, protein modifiers, antioxidant, autophagy, and apoptosis induction mechanisms, are discussed. Finally, considering their observed bioactivity potential, oral bioavailability studies of biflavones and related clinical trials are outlined.
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Affiliation(s)
- José C J M D S Menezes
- Faculty of Pharmaceutical Sciences, Nagasaki International University, 2825-7 Huis Ten Bosch, Sasebo, Nagasaki 859-3298, Japan
| | - Marc F Diederich
- Department of Pharmacy, College of Pharmacy, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, South Korea.
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Lei S, Zhang D, Qi Y, Chowdhury SR, Sun R, Wang J, Du Y, Fu L, Jiang F. Synthesis and biological evaluation of geniposide derivatives as potent and selective PTPlB inhibitors. Eur J Med Chem 2020; 205:112508. [PMID: 32738350 DOI: 10.1016/j.ejmech.2020.112508] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/20/2020] [Accepted: 05/23/2020] [Indexed: 02/08/2023]
Abstract
Herein a series of Geniposide derivatives were designed, synthesized and evaluated as protein tyrosine phosphatase 1B (PTPlB) inhibitors. Most of these compounds exhibited potent in vitro PTP1B inhibitory activities, the representative 7a and 17f were found to be the most potent inhibitors against the enzyme with IC50 values of 0.35 and 0.41 μM, respectively. More importantly, they showcased 4 to10-fold selectivity over SHP2 and 3-fold over TCPTP. Further biological activity studies revealed that compounds 7a, 17b and 17f could effectively enhance insulin-stimulated glucose uptake with no significant cytotoxicity. Subsequent molecular docking and structural activity relationship analyses demonstrated that the glucose scaffold, benzylated glycosyl groups, and arylethenesulfonic acid ester significantly impact on the activity and selectivity.
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Affiliation(s)
- Shuwen Lei
- School of Pharmacy, Shanghai Jiao Tong University, No. 800 Dongchuan Rd. Minhang District, Shanghai, 200240, PR China
| | - Dongdong Zhang
- School of Pharmacy, Shanghai Jiao Tong University, No. 800 Dongchuan Rd. Minhang District, Shanghai, 200240, PR China
| | - Yunyue Qi
- School of Pharmacy, Shanghai Jiao Tong University, No. 800 Dongchuan Rd. Minhang District, Shanghai, 200240, PR China
| | - Sharmin Reza Chowdhury
- School of Pharmacy, Shanghai Jiao Tong University, No. 800 Dongchuan Rd. Minhang District, Shanghai, 200240, PR China
| | - Ran Sun
- School of Pharmacy, Shanghai Jiao Tong University, No. 800 Dongchuan Rd. Minhang District, Shanghai, 200240, PR China
| | - Juntao Wang
- School of Pharmacy, Shanghai Jiao Tong University, No. 800 Dongchuan Rd. Minhang District, Shanghai, 200240, PR China
| | - Yi Du
- Xinhua Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, No. 1665 Kongjiang Rd., Yangpu District, Shanghai, 200092, PR China
| | - Lei Fu
- School of Pharmacy, Shanghai Jiao Tong University, No. 800 Dongchuan Rd. Minhang District, Shanghai, 200240, PR China.
| | - Faqin Jiang
- School of Pharmacy, Shanghai Jiao Tong University, No. 800 Dongchuan Rd. Minhang District, Shanghai, 200240, PR China.
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Yang Y, Tian JY, Ye F, Xiao Z. Identification of natural products as selective PTP1B inhibitors via virtual screening. Bioorg Chem 2020; 98:103706. [PMID: 32199302 DOI: 10.1016/j.bioorg.2020.103706] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 02/11/2020] [Accepted: 02/26/2020] [Indexed: 12/22/2022]
Abstract
Protein tyrosine phosphatase 1B (PTP1B) is emerging as a promising yet challenging target for drug discovery. To identify natural products as new prototypes for PTP1B inhibitors, we employed a hierarchical protocol combining ligand-based and structure-based approaches for virtual screening against natural product libraries. Twenty-six compounds were prioritized for enzymatic evaluation against PTP1B, and ten of them were recognized as potent PTP1B inhibitors with IC50 values at the micromolar level. Notably, nine compounds demonstrated evident selectivity to PTP1B over four other PTPs, including the most homologous T-cell protein tyrosine phosphatase (TCPTP). The results implicated that the structural uniqueness of the natural products might be a potential solution to the selectivity issue associated with the target PTP1B.
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Affiliation(s)
- Ying Yang
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jin-Ying Tian
- Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Fei Ye
- Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Zhiyan Xiao
- Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
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12
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Li L, Tavallaie MS, Xie F, Xia Y, Liang Y, Jiang F, Fu L. Identification of lipid-like salicylic acid-based derivatives as potent and membrane-permeable PTP1B inhibitors. Bioorg Chem 2019; 93:103296. [PMID: 31585268 DOI: 10.1016/j.bioorg.2019.103296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 09/11/2019] [Accepted: 09/16/2019] [Indexed: 12/29/2022]
Abstract
Developing protein tyrosine phosphatase-1B (PTP1B) inhibitors is an important strategy to treat type 2 diabetes mellitus (T2DM). Most existing ionic PTP1B inhibitors aren't of clinical useful due to their low cell-permeability, however. Herein, we introduced a series of lipid-like acid-based (salicylic acid) modules to prepare PTP1B inhibitors, and demonstrated a marked improvement of cell-permeability while maintaining excellent PTP1B inhibitory activity (e.g. compound B12D, IC50 = 0.37 μM against PTP1B and Papp = 1.5 × 10-6 cm/s). We believe that this strategy can be widely utilized to modify potent lead compounds with low cell-permeability.
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Affiliation(s)
- Liang Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University (SJTU), 800 Dongchuan Road, Shanghai 200240, China
| | - Mojdeh S Tavallaie
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University (SJTU), 800 Dongchuan Road, Shanghai 200240, China
| | - Fangzhou Xie
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University (SJTU), 800 Dongchuan Road, Shanghai 200240, China
| | - Yu Xia
- Viva Biotech (Shanghai) Limited, Shanghai 201203, China
| | - Yaoyao Liang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University (SJTU), 800 Dongchuan Road, Shanghai 200240, China
| | - Faqin Jiang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University (SJTU), 800 Dongchuan Road, Shanghai 200240, China
| | - Lei Fu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University (SJTU), 800 Dongchuan Road, Shanghai 200240, China.
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Maheshwari N, Karthikeyan C, Trivedi P, Moorthy NSHN. Recent Advances in Protein Tyrosine Phosphatase 1B Targeted Drug Discovery for Type II Diabetes and Obesity. Curr Drug Targets 2019; 19:551-575. [PMID: 28228082 DOI: 10.2174/1389450118666170222143739] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 02/14/2017] [Accepted: 02/18/2017] [Indexed: 11/22/2022]
Abstract
BACKGROUND Protein tyrosine phosphatase 1B (PTP1B) is an important therapeutic target for type II diabetes and obesity because of its pivotal role as a negative modulator in both insulin and leptin signalling pathways. OBJECTIVE The discovery of PTP1B inhibitors has been the focus of researchers in both academia and pharmaceutical industry over the last two decades. RESULTS AND CONCLUSION Though, intense pharmaceutical research in this area has resulted in many potent PTP1B inhibitors, a vast majority of them possessed pTyr mimetic group such as phosphonates, carboxylic acids and sulphamic acids, which led to poor PTP1B selectivity and insufficient in vivo efficacy due to low cell permeability and bioavailability. The availability of X-ray crystallographic structures of PTP1B together with the application of molecular modelling and other innovative strategies led to the development of many potent and selective PTP1B inhibitors with desirable physicochemical properties. This review traces the development of PTP1B inhibitors over the last decade and also records novel PTP1B inhibitors developed recently with greater emphasis on their selectivity and cell permeability.
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Affiliation(s)
- Neelesh Maheshwari
- School of Pharmaceutical Sciences, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Airport Bypass Road, Gandhi Nagar, Bhopal (MP)-462036, India
| | - Chandrabose Karthikeyan
- School of Pharmaceutical Sciences, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Airport Bypass Road, Gandhi Nagar, Bhopal (MP)-462036, India
| | - Piyush Trivedi
- School of Pharmaceutical Sciences, Rajiv Gandhi Proudyogiki Vishwavidyalaya, Airport Bypass Road, Gandhi Nagar, Bhopal (MP)-462036, India
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14
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Zhang Y, Du Y. The development of protein tyrosine phosphatase1B inhibitors defined by binding sites in crystalline complexes. Future Med Chem 2018; 10:2345-67. [PMID: 30273014 DOI: 10.4155/fmc-2018-0089] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Protein tyrosine phosphatase1B (PTP1B), a significant negative regulator in insulin and leptin signaling pathways, has emerged as a promising drug target for Type II diabetes mellitus and obesity. Numerous potent PTP1B inhibitors have been discovered within both academia and pharmaceutical industry. However, nearly all medicinal chemistry efforts have been severely hindered because a vast majority of them demonstrate poor membrane permeability and low-selectivity, especially over T-cell protein tyrosine phosphatase (TCPTP). To search the rules about the selectivity over TCPTP and membrane permeability of PTP1B inhibitors, based on the PTP1B/inhibitor crystal complexes, the development PTP1B inhibitors defined as AB, AC, ABC and ADC types have been concluded in the review.
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Ferhati X, Matassini C, Fabbrini MG, Goti A, Morrone A, Cardona F, Moreno-Vargas AJ, Paoli P. Dual targeting of PTP1B and glucosidases with new bifunctional iminosugar inhibitors to address type 2 diabetes. Bioorg Chem 2019; 87:534-549. [PMID: 30928876 DOI: 10.1016/j.bioorg.2019.03.053] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/04/2019] [Accepted: 03/18/2019] [Indexed: 10/27/2022]
Abstract
The diffusion of type 2 diabetes (T2D) throughout the world represents one of the most important health problems of this century. Patients suffering from this disease can currently be treated with numerous oral anti-hyperglycaemic drugs, but none is capable of reproducing the physiological action of insulin and, in several cases, they induce severe side effects. Developing new anti-diabetic drugs remains one of the most urgent challenges of the pharmaceutical industry. Multi-target drugs could offer new therapeutic opportunities for the treatment of T2D, and the reported data on type 2 diabetic mice models indicate that these drugs could be more effective and have fewer side effects than mono-target drugs. α-Glucosidases and Protein Tyrosine Phosphatase 1B (PTP1B) are considered important targets for the treatment of T2D: the first digest oligo- and disaccharides in the gut, while the latter regulates the insulin-signaling pathway. With the aim of generating new drugs able to target both enzymes, we synthesized a series of bifunctional compounds bearing both a nitro aromatic group and an iminosugar moiety. The results of tests carried out both in vitro and in a cell-based model, show that these bifunctional compounds maintain activity on both target enzymes and, more importantly, show a good insulin-mimetic activity, increasing phosphorylation levels of Akt in the absence of insulin stimulation. These compounds could be used to develop a new generation of anti-hyperglycemic drugs useful for the treatment of patients affected by T2D.
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Affiliation(s)
- Xhenti Ferhati
- Department of Chemistry 'Ugo Schiff', University of Firenze, via della Lastruccia 3-13, Sesto Fiorentino, (FI), Italy
| | - Camilla Matassini
- Department of Chemistry 'Ugo Schiff', University of Firenze, via della Lastruccia 3-13, Sesto Fiorentino, (FI), Italy
| | - Maria Giulia Fabbrini
- Department of Chemistry 'Ugo Schiff', University of Firenze, via della Lastruccia 3-13, Sesto Fiorentino, (FI), Italy
| | - Andrea Goti
- Department of Chemistry 'Ugo Schiff', University of Firenze, via della Lastruccia 3-13, Sesto Fiorentino, (FI), Italy; Associated with Consorzio Interuniversitario Nazionale di ricerca in Metodologie e Processi Innovativi di Sintesi (CINMPIS), Italy
| | - Amelia Morrone
- Paediatric Neurology Unit and Laboratories, Neuroscience Department, Meyer Children's Hospital, and Department of Neurosciences, Pharmacology and Child Health. University of Florence, Viale Pieraccini n. 24, 50139 Firenze, Italy
| | - Francesca Cardona
- Department of Chemistry 'Ugo Schiff', University of Firenze, via della Lastruccia 3-13, Sesto Fiorentino, (FI), Italy; Associated with Consorzio Interuniversitario Nazionale di ricerca in Metodologie e Processi Innovativi di Sintesi (CINMPIS), Italy.
| | - Antonio J Moreno-Vargas
- Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, n/Prof. García González 1, E-41012 Sevilla, Spain
| | - Paolo Paoli
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, Viale Morgagni 50, 50134 Florence, Italy.
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Xue W, Tian J, Wang XS, Xia J, Wu S. Discovery of potent PTP1B inhibitors via structure-based drug design, synthesis and in vitro bioassay of Norathyriol derivatives. Bioorg Chem 2019; 86:224-234. [PMID: 30716620 DOI: 10.1016/j.bioorg.2019.01.059] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 01/11/2019] [Accepted: 01/27/2019] [Indexed: 12/11/2022]
Abstract
Protein tyrosine phosphatase 1B (PTP1B) has recently been identified as a potential target of Norathyriol. Unfortunately, Norathyriol is not a potent PTP1B inhibitor, which somewhat hinders its further application. Based on the fact that no study on the relationship of chemical structure and PTP1B inhibitory activity of Norathyriol has been reported so far, we attempted to perform structural optimization so as to improve the potency for PTP1B. Via structure-based drug design (SBDD), a rational strategy based on the binding mode of Norathyriol to PTP1B, we designed 26 derivatives with substitutions at the four phenolic hydroxyl groups of Norathyriol. By chemical synthesis and in vitro bioassay, we identified seven PTP1B inhibitors that were more potent than Norathyriol, of which XWJ24 showed the highest potency (IC50: 0.6 μM). We also found out that XWJ24 was a competitive inhibitor and showed the 4.5-fold selectivity over its close homolog, TC-PTP. Through molecular docking of XWJ24 against PTP1B, we highlighted the essential role of its hydrogen bond with Asp181 for PTP1B inhibition and identified a potential halogen bond with Asp48 that was not observed for Norathyriol. The current data indicate that our SBDD strategy is effective to discover potent PTP1B-targeted Norathyriol derivatives, and XWJ24 is a promising lead compound for further development.
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Affiliation(s)
- Wenjie Xue
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Department of New Drug Research and Development, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jinlong Tian
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Department of New Drug Research and Development, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xiang Simon Wang
- Department of Pharmaceutical Sciences, College of Pharmacy, Howard University, Washington DC 20059, USA
| | - Jie Xia
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Department of New Drug Research and Development, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
| | - Song Wu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Department of New Drug Research and Development, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
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17
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Lu X, Wu L, Liu X, Wang S, Zhang C. BH3 mimetics derived from Bim-BH3 domain core region show PTP1B inhibitory activity. Bioorg Med Chem Lett 2018; 29:244-247. [PMID: 30501963 DOI: 10.1016/j.bmcl.2018.11.047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 11/20/2018] [Accepted: 11/22/2018] [Indexed: 01/04/2023]
Abstract
A series of our previously described BH3 peptide mimetics derived from Bim-BH3 domain core region were found to exhibit weak to potent PTP1B binding affinity and inhibitory activities via target-based drug screening. Among these compounds, a 12-aa Bim-BH3 core sequence peptide conjugated to palmitic acid (SM-6) displayed good PTP1B binding affinity (KD = 8.38 nmol/L), inhibitory activity (IC50 = 1.20 μmol/L) and selectivity against other PTPs (TCPTP, LAR, SHP-1 and SHP-2). Furthermore, SM-6 promoted HepG2 cell glucose uptake and inhibited the expression of PTP1B, indicating that SM-6 could improve the insulin resistance effect in the insulin-resistant HepG2 cell model. These results may indicate a new direction for the application of BH3 peptide mimetics and promising PTP1B peptide inhibitors could be designed and developed based on SM-6.
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Affiliation(s)
- Xiao Lu
- School of Medicine and Pharmacy, Key Laboratory of Marine Drugs, Ministry of Education, Ocean University of China, Qingdao 266003, China
| | - Lijuan Wu
- School of Medicine and Pharmacy, Key Laboratory of Marine Drugs, Ministry of Education, Ocean University of China, Qingdao 266003, China; Marine Biomedical Research Institute, Qingdao 266071, China
| | - Xiaochun Liu
- Marine Biomedical Research Institute, Qingdao 266071, China
| | - Shulin Wang
- School of Medicine and Pharmacy, Key Laboratory of Marine Drugs, Ministry of Education, Ocean University of China, Qingdao 266003, China; Marine Biomedical Research Institute, Qingdao 266071, China.
| | - Chuanliang Zhang
- School of Medicine and Pharmacy, Key Laboratory of Marine Drugs, Ministry of Education, Ocean University of China, Qingdao 266003, China; Marine Biomedical Research Institute, Qingdao 266071, China.
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18
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Tang Y, Zhang X, Chen Z, Yin W, Nan G, Tian J, Ye F, Xiao Z. Novel benzamido derivatives as PTP1B inhibitors with anti-hyperglycemic and lipid-lowering efficacy. Acta Pharm Sin B 2018; 8:919-932. [PMID: 30505661 PMCID: PMC6251817 DOI: 10.1016/j.apsb.2018.05.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 04/10/2018] [Accepted: 04/17/2018] [Indexed: 11/16/2022] Open
Abstract
Based on a non-competitive and selective PTP1B inhibitor reported by us previously, thirty-nine benzamido derivatives were designed and synthesized as novel PTP1B inhibitors. Among them, twelve compounds exhibited IC50 values at micromolar level against human recombinant PTP1B, and most of them exhibited significant selectivity to PTP1B over TC-PTP and CD45. Further evaluation of the most potent compound 27 on high-fat diet (HFD)-induced insulin-resistant (IR) obese mice indicated that 27 could modulate glucose metabolism and ameliorate dyslipidemia simultaneously.
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Sangeetha KN, Sujatha S, Muthusamy VS, Anand S, Shilpa K, Kumari PJ, Sarathkumar B, Thiyagarajan G, Lakshmi BS. Current trends in small molecule discovery targeting key cellular signaling events towards the combined management of diabetes and obesity. Bioinformation 2017; 13:394-399. [PMID: 29379255 PMCID: PMC5767913 DOI: 10.6026/97320630013394] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Revised: 12/19/2017] [Accepted: 12/19/2017] [Indexed: 12/19/2022] Open
Abstract
Non-insulin dependent diabetes mellitus, also known as Type 2 diabetes is a polygenic disorder leading to abnormalities in the carbohydrate and lipid metabolism. The major contributors in the pathophysiology of type 2 diabetes (T2D) include resistance to insulin action, β cell dysfunction, an abnormality in glucose metabolism and storage, visceral obesity and to some extent inflammation and oxidative stress. Insulin resistance, along with a defect in insulin secretion by the pancreatic β cells is instrumental towards progression to hyperglycemia. Increased incidence of obesity is also a major contributing factor in the escalating rates of type 2 diabetes. Drug discovery efforts are therefore crucially dependent on identifying individual molecular targets and validating their relevance to human disease. The current review discusses bioactive compounds from medicinal plants offering enhanced therapeutic potential for the combined patho-physiology of diabetes and obesity. We have demonstrated that 3β-taraxerol a pentacyclic triterpenoid (14-taraxeren-3-ol) isolated from the ethyl acetate extract of Mangifera indica, chlorogenic acid isolated from the methanol extract of Cichorium intybus, methyl tetracosanoate from the methanol extract of Costus pictus and vitalboside A derived from methanolic extract of Syzygium cumini exhibited significant effects on insulin stimulated glucose uptake causing insulin sensitizing effects on 3T3L1 adipocytes (an in vitro model mimicking adipocytes). Whereas, (3β)-stigmast-5-en-3-ol isolated from Adathoda vasica and Aloe emodin isolated from Cassia fistula showed significant insulin mimetic effects favoring glucose uptake in L6 myotubes (an in vitro model mimicking skeletal muscle cells). These extracts and molecules showed glucose uptake through activation of PI3K, an important insulin signaling intermediate. Interestingly, cinnamic acid isolated from the hydro-alcohol extract of Cinnamomum cassia was found to activate glucose transport in L6 myotubes through the involvement of GLUT4 via the PI3K-independent pathway. However, the activation of glucose storage was effective in the presence of 3β-taraxerol and aloe emodin though inhibition of GSK3β activity. Therefore, the mechanism of improvement of glucose and lipid metabolism exhibited by the small molecules isolated from our lab is discussed. However, Obesity is a major risk factor for type-2 diabetes leading to destruction of insulin receptors causing insulin resistance. Identification of compounds with dual activity (anti-diabetic and antiadipogenic activity) is of current interest. The protein tyrosine phosphatase 1B (PTP1B) is an important negative regulator of the insulin and leptin-signaling pathway is of significance in target definition and discovery.
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Affiliation(s)
| | - Sundaresan Sujatha
- Department of Biotechnology, Anna University, Chennai Tamilnadu, India - 600 025
| | | | - Singaravel Anand
- Department of Biotechnology, Anna University, Chennai Tamilnadu, India - 600 025
| | - Kusampudi Shilpa
- Department of Biotechnology, Anna University, Chennai Tamilnadu, India - 600 025
| | - Posa Jyothi Kumari
- Department of Biotechnology, Anna University, Chennai Tamilnadu, India - 600 025
| | - Baskaran Sarathkumar
- Department of Biotechnology, Anna University, Chennai Tamilnadu, India - 600 025
| | - Gopal Thiyagarajan
- Department of Biotechnology, Anna University, Chennai Tamilnadu, India - 600 025
| | - Baddireddi Subhadra Lakshmi
- Department of Biotechnology, Anna University, Chennai Tamilnadu, India - 600 025.,Centre for Food Technology, Department of Biotechnology, Anna University, Chennai Tamilnadu, India - 600 025
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Zhao BT, Nguyen DH, Le DD, Choi JS, Min BS, Woo MH. Protein tyrosine phosphatase 1B inhibitors from natural sources. Arch Pharm Res 2018; 41:130-61. [PMID: 29214599 DOI: 10.1007/s12272-017-0997-8] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2017] [Accepted: 11/26/2017] [Indexed: 01/25/2023]
Abstract
Since PTP1B enzyme was discovered in 1988, it has captured the research community's attention. This landmark discovery has stimulated numerous research studies on a variety of human diseases, including cancer, inflammation, and diabetes. Tremendous progress has been made in finding PTP1B inhibitors and exploring PTP1B regulatory mechanisms. This review investigates for the natural PTP1B inhibitors, and focuses on the common characteristics of the discovered structures and structure-activity relationships. To facilitate understanding, all the natural compounds are here divided into five different classes (fatty acids, phenolics, terpenoids, steroids, and alkaloids), according to their skeletons. These PTP1B inhibitors of scaffold structures could serve as a theoretical basis for new concept drug discovery and design.
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Jeong SY, Nguyen PH, Zhao BT, Ali MY, Choi JS, Min BS, Woo MH. Chemical Constituents of Euonymus alatus (Thunb.) Sieb. and Their PTP1B and α-Glucosidase Inhibitory Activities. Phytother Res 2015; 29:1540-8. [PMID: 26172104 DOI: 10.1002/ptr.5411] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Accepted: 06/13/2015] [Indexed: 11/10/2022]
Abstract
Phytochemical study on the corks of Euonymus alatus resulted in the isolation of a novel 3-hydroxycoumarinflavanol (23), along with ten triterpenoids (1-10), ten phenolic derivatives (11-20), and two flavonoid glycosides (21 and 22). Their structures were determined by extensive 1D and 2D-nuclear magnetic resonance spectroscopic and mass spectrometry data analysis. Furthermore, their inhibitory effects against the protein tyrosine phosphatases 1B (PTP1B) and α-glucosidase enzyme activity were evaluated. Compounds 6, 7, 9, 15, 19, and 23 were non-competitive inhibitors, exhibiting most potency with IC50 values ranging from 5.6 ± 0.9 to 18.4 ± 0.3 µm, against PTP1B. Compound 3 (competitive), compounds 5 and 15 (mixed-competitive) displayed potent inhibition with IC50 values of 15.1 ± 0.7, 23.6 ± 0.6 and 14.8 ± 0.9 µm, respectively. Moreover, compounds 15, 20, and 23 exhibited potent inhibition on α-glucosidase with IC50 values of 10.5 ± 0.8, 9.5 ± 0.6, and 9.1 ± 0.5 µm, respectively. Thus, these active ingredients may have value as new lead compounds for the development of new antidiabetic agents.
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Affiliation(s)
- Su-Yang Jeong
- College of Pharmacy, Catholic University of Daegu, Gyeongsan, 712-702, Korea
| | - Phi-Hung Nguyen
- College of Pharmacy, Catholic University of Daegu, Gyeongsan, 712-702, Korea
| | - Bing-Tian Zhao
- College of Pharmacy, Catholic University of Daegu, Gyeongsan, 712-702, Korea
| | - Md Yousof Ali
- Department of Food Science & Nutrition, Pukyong National University, Busan, 608-737, Korea
| | - Jae-Sue Choi
- Department of Food Science & Nutrition, Pukyong National University, Busan, 608-737, Korea
| | - Byung-Sun Min
- College of Pharmacy, Catholic University of Daegu, Gyeongsan, 712-702, Korea
| | - Mi-Hee Woo
- College of Pharmacy, Catholic University of Daegu, Gyeongsan, 712-702, Korea
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Na B, Nguyen PH, Zhao BT, Vo QH, Min BS, Woo MH. Protein tyrosine phosphatase 1B (PTP1B) inhibitory activity and glucosidase inhibitory activity of compounds isolated from Agrimonia pilosa. Pharm Biol 2015; 54:474-480. [PMID: 26084800 DOI: 10.3109/13880209.2015.1048372] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
CONTEXT Despite phytochemical studies of Agrimonia pilosa Ledeb. (Rosaceae), the antidiabetic effects of this plant are unknown. OBJECTIVE This study characterizes the isolated compounds from the aerial parts of A. pilosa and evaluates their PTP1B and α-glucosidase inhibitory properties. MATERIALS AND METHODS Ethanol extract of A. pilosa was found to inhibit 64% PTP1B activity at 30 μg/mL. The ethanol extract was partitioned with methylene chloride, ethyl acetate, n-butanol, and water fractions. Among these, the ethyl acetate fraction displayed the most potent PTP1B activity. The ethyl acetate extract was separated by chromatographic methods to obtain flavonoids and triterpenoids (1-11); which were evaluated for their inhibitory effects on PTP1B activity with p-nitrophenyl phosphate (p-NPP) as a substrate, and also α-glucosidase enzyme. RESULTS Compounds 1-11 were identified as apigenin-7-O-β-d-glucuronide-6″-methyl ester, triliroside, quercetin-7-O-β-d-glycoside, quercetin-3-O-β-d-glycoside, kaempferol, kaempferol-3-O-α-l-rhamnoside, β-sitosterol, ursolic acid, tormentic acid, methyl 2-hydroxyl tricosanoate, and palmitic acid. Compounds 8, 9, and 11 displayed inhibitory effects on PTP1B activity with IC50 values of 3.47 ± 0.02, 0.50 ± 0.06, and 0.10 ± 0.03 μM, respectively. Compounds 3, 4, 6, and 9 exhibited inhibition of the α-glucosidase activity with IC50 values of 11.2 ± 0.2, 29.6 ± 0.9, 28.5 ± 0.1, and 23.8 ± 0.4 μM, respectively. DISCUSSION AND CONCLUSION As major ingredients of A. pilosa, compounds 1, 6, 8, and 9 showed the greatest inhibitory potency on PTP1B activity. Compounds 3, 6, 8, and 9 also showed potent inhibitory effects on α-glucosidase enzyme. This result suggested the potential of these compounds for developing antidiabetic agents.
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Affiliation(s)
- Braham Na
- a College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu , Gyeongsan , Republic of Korea
| | - Phi-Hung Nguyen
- a College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu , Gyeongsan , Republic of Korea
| | - Bing-Tian Zhao
- a College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu , Gyeongsan , Republic of Korea
| | - Quoc-Hung Vo
- a College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu , Gyeongsan , Republic of Korea
| | - Byung Sun Min
- a College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu , Gyeongsan , Republic of Korea
| | - Mi Hee Woo
- a College of Pharmacy, Drug Research and Development Center, Catholic University of Daegu , Gyeongsan , Republic of Korea
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