1
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Parvaiz N, Abro A, Azam SS. Three-state dynamics of zinc(II) complexes yielding significant antidiabetic targets. J Mol Graph Model 2024; 127:108665. [PMID: 38029632 DOI: 10.1016/j.jmgm.2023.108665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/29/2023] [Accepted: 11/01/2023] [Indexed: 12/01/2023]
Abstract
Protein Tyrosine Phosphatase 1B (PTP1B), being negative regulator of insulin signaling pathways is considered as potential medicinal target. Selective and targeted inhibitors for PTP1B can impact the therapeutic options available to cure chronic illness such as diabetes. Significant research evidence including computational studies on the role of Zn2+ in binding and inhibiting the catalytic pocket have been reported along with experimental exploration of zinc(II) complexes as potent inhibitors of the enzyme. The current study has employed advanced computational methods to explore the binding and conformational orientation of zinc(II) complexes in the active site of apoenzyme, phosphoenzyme, and TSA 2 of PTP1B. Metal ion modeling was performed for zinc metal center (Zn-OOOO) utilizing a Python based Metal Center Parameter Builder (MCPB.py). The findings of the study suggest that zinc(II) complex binds to structurally and functionally important residues in open and closed conformation as well as in the phosphorylated state of the enzyme. It was observed that when the catalytic cysteine is phosphorylated in a closed conformation, the zinc(II) complex forms significant interactions with PHE182, VAL184, GLY183, and PRO180 while pushing away Q-loop GLN262 which is crucial for the hydrolysis of phosphoenzyme. Subsequently, the reported inhibitor has also demonstrated its potential to function as allosteric modulator of the enzyme occupying catalytic WPD loop residues. The study uncovers putative binding sites of zinc-containing drugs and gives insight into the size and design of such compounds which keeps them accessible and anchored in the vicinity of active site residues. Reported inhibitor offers enhanced selectivity and inhibition in all three states of the enzyme in contrast to zinc ions which can only impede enzyme in the phosphorylated state. In addition to this, investigation of ASP265→GLU265 mutation reveals the role of GLU265 in affecting the flexibility of WPD loop residues highlighting it as loss-of-function mutation. Our results hints towards a metallodrug approach that builds on the research evidence of inhibition effects of Zn2+ in the binding pocket of PTP1B. The findings presented are noteworthy, not just due to their significant relevance for clinical application, but also for the design and synthesis of novel zinc(II) complexes.
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Affiliation(s)
- Nousheen Parvaiz
- Computational Biology Lab, National Center for Bioinformatics, Quaid-i-Azam University, Islamabad, 45320, Islamabad, Pakistan
| | - Asma Abro
- Balochistan University of Information Technology Engineering and Management Sciences, Quetta, Pakistan.
| | - Syed Sikander Azam
- Computational Biology Lab, National Center for Bioinformatics, Quaid-i-Azam University, Islamabad, 45320, Islamabad, Pakistan.
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2
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Mehta NV, Abhyankar A, Degani MS. Elemental exchange: Bioisosteric replacement of phosphorus by boron in drug design. Eur J Med Chem 2023; 260:115761. [PMID: 37651875 DOI: 10.1016/j.ejmech.2023.115761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 07/12/2023] [Accepted: 08/23/2023] [Indexed: 09/02/2023]
Abstract
Continuous efforts are being directed toward the employment of boron in drug design due to its advantages and unique characteristics including a plethora of target engagement modes, lower metabolism, and synthetic accessibility, among others. Phosphates are components of multiple drug molecules as well as clinical candidates, since they play a vital role in various biochemical functions, being components of nucleotides, energy currency- ATP as well as several enzyme cofactors. This review discusses the unique chemistry of boron functionalities as phosphate bioisosteres - "the boron-phosphorus elemental exchange strategy" as well as the superiority of boron groups over other commonly employed phosphate bioisosteres. Boron phosphate-mimetics have been utilized for the development of enzyme inhibitors as well as novel borononucleotides. Both the boron functionalities described in this review-boronic acids and benzoxaboroles-contain a boron connected to two oxygens and one carbon atom. The boron atom of these functional groups coordinates with a water molecule in the enzyme site forming a tetrahedral molecule which mimics the phosphate structure. Although boron phosphate-mimetic molecules - FDA-approved Crisaborole and phase II/III clinical candidate Acoziborole are products of the boron-phosphorus bioisosteric elemental exchange strategy, this technique is still in its infancy. The review aims to promote the use of this strategy in future medicinal chemistry projects.
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Affiliation(s)
- Namrashee V Mehta
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, Maharashtra, India.
| | - Arundhati Abhyankar
- Shri Vile Parle Kelavani Mandal's Dr Bhanuben Nanavati College of Pharmacy, Gate No.1, Mithibai College Campus, Vile Parle West, Mumbai, 400056, Maharashtra, India.
| | - Mariam S Degani
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Nathalal Parekh Marg, Matunga, Mumbai, 400019, Maharashtra, India.
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3
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He Y, Nan D, Wang H. Role of Non-Receptor-Type Tyrosine Phosphatases in Brain-Related Diseases. Mol Neurobiol 2023; 60:6530-6541. [PMID: 37458988 DOI: 10.1007/s12035-023-03487-5] [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: 03/27/2023] [Accepted: 07/05/2023] [Indexed: 09/28/2023]
Abstract
The non-receptor protein tyrosine phosphatase is a class of enzymes that catalyze the dephosphorylation of phosphotyrosines in protein molecules. They are involved in cellular signaling by regulating the phosphorylation status of a variety of receptors and signaling molecules within the cell, thereby influencing cellular physiological and pathological processes. In this article, we detail multiple non-receptor tyrosine phosphatase and non-receptor tyrosine phosphatase genes involved in the pathological process of brain disease. These include PTPN6, PTPN11, and PTPN13, which are involved in glioma signaling; PTPN1, PTPN5, and PTPN13, which are involved in the pathogenesis of Alzheimer's disease Tau protein lesions, PTPN23, which may be involved in the pathogenesis of Epilepsy and PTPN1, which is involved in the pathogenesis of Parkinson's disease. The role of mitochondrial tyrosine phosphatase in brain diseases was also discussed. Non-receptor tyrosine phosphatases have great potential for targeted therapies in brain diseases and are highly promising research areas.
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Affiliation(s)
- Yatong He
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Ding Nan
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, China
| | - Hongmei Wang
- Department of Pharmacology, School of Medicine, Southeast University, Nanjing, Jiangsu, 210009, China.
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4
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Hakimi P, Tabatabaei F, Rahmani V, Zakariya NA, Moslehian MS, Bedate AM, Tamadon A, Rahbarghazi R, Mahdipour M. Dysregulated miRNAs in recurrent miscarriage: A systematic review. Gene 2023; 884:147689. [PMID: 37543220 DOI: 10.1016/j.gene.2023.147689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/12/2023] [Accepted: 08/02/2023] [Indexed: 08/07/2023]
Abstract
Recurrent miscarriage (RM) is a complex reproductive medicine disease that affects many families. The cause of RM is unclear at this time; however, lifestyle and genetic variables may influence the process. The slight alteration in miRNA expression has enormous consequences for a variety of difficulties, one of which may be RM. The target of this systematic study was to provide a framework of the dysregulated miRNAs in RM. The Prisma guidelines were applied to perform current systematic review pertaining to articles in the seven databases. Thirty-nine papers out of 245 received fulfilled all inclusion requirements. From all the mentioned miRNAs, 40 were up-regulated (65.57 %), whereas 21 were down-regulated (34.43 %). These dysregulated miRNAs contributed to the pathophysiology of RM by influencing key pathways and processes such as apoptosis, angiogenesis, epithelial-mesenchymal transition, and the immune system. Understanding the dysregulation of miRNAs, as well as the pathways and processes that engage these miRNAs and impact disease pathogenesis, may aid in clarifying the unknown underlying mechanisms of RM and the development of novel molecular therapeutic targets and medical domains.
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Affiliation(s)
- Parvin Hakimi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Fatemeh Tabatabaei
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Obstetrics and Gynecology, Division of Gynecologic Laparoscopic, Surgeries, Al-Zahra Hospital, Tabriz University of Medical Sciences, Tabriz, Iran; Iranian Society of Minimally Invasive Gynecology, Iran University of Medical, Sciences, Tehran, Iran
| | - Vahideh Rahmani
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nahideh Afshar Zakariya
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | | | - Amin Tamadon
- PerciaVista R&D Co, Shiraz, Iran; Department for Scientific Work, West Kazakhstan Marat Ospanov Medical University, Aktobe 030012, Kazakhstan
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahdi Mahdipour
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Reproductive Biology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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5
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Zhang ZH, Zhou XM, Zhang X. Role of Protein Tyrosine Phosphatase 1B Inhibitor in Early Brain Injury of Subarachnoid Hemorrhage in Mice. Brain Sci 2023; 13:brainsci13050816. [PMID: 37239288 DOI: 10.3390/brainsci13050816] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/12/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
Clinically, early brain injury (EBI), which refers to the acute injuries to the whole brain in the phase of the first 72 h following subarachnoid hemorrhage (SAH), is intensely investigated to improve neurological and psychological function. Additionally, it will be meaningful to explore new therapeutic approaches for EBI treatment to improve the prognosis of patients with SAH. To investigate the underlying neuroprotection mechanism in vitro, the Protein tyrosine phosphatase 1B inhibitor (PTP1B-IN-1) was put in primary neurons induced by OxyHb to observe neuroapoptosis, neuroinflammation, and ER stress. Then, one hundred forty male mice were subjected to Experiment two and Experiment three. The mice in the SAH24h + PTP1B-IN-1 group were given an intraperitoneal injection of 5 mg/kg PTP1B-IN-1 30 min before anesthesia. SAH grade, neurological score, brain water content, Western blot, PCR, and Transmission Electron Microscopy (TEM) were performed to observe the underlying neuroprotection mechanism in vivo. Overall, this study suggests that PTP1B-IN-1 could ameliorate neuroapoptosis, neuroinflammation, and ER stress in vitro and in vivo by regulating the IRS-2/AKT signaling pathway, suggesting that PTP1B-IN-1 may be a candidate drug for the treatment of early brain injury after SAH.
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Affiliation(s)
- Zhong-Hua Zhang
- Department of Neurosurgery, Jinling Hospital, Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
- Department of Anesthesiology, Jinling Hospital, Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
| | - Xiao-Ming Zhou
- Department of Neurosurgery, Jinling Hospital, Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
| | - Xin Zhang
- Department of Neurosurgery, Jinling Hospital, Jinling School of Clinical Medicine, Nanjing Medical University, Nanjing 210000, China
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6
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Tuohongerbieke A, Liu L, Li J, Xin X, Akber Aisa H. Root-Extracted lignanamides from Limonium gmelinii (Willd.) Kuntze with a potential PTP1B inhibitory activity by regulating PI3K/AKT signaling pathway. Bioorg Chem 2023; 132:106348. [PMID: 36657274 DOI: 10.1016/j.bioorg.2023.106348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/26/2022] [Accepted: 01/06/2023] [Indexed: 01/09/2023]
Abstract
The phytochemical study of Limonium gmelinii roots resulted in the isolation of five lignanamides (1-5). Among them, limoniumins J, K, and M (1, 2, and 4) are undescribed compounds, limoniumin L (3) is a new naturally occurring lignanamide, and limoniumin B (5) is a known compound which showed PTP1B inhibition activity with an IC50 value of 5.05 ± 2.44 μM in our previous work. Spectroscopic data analysis, including 1D and 2D NMR and HRESIMS experiments, established the chemical structures of limoniumins J - M (1-4). Compounds 1-4 showed PTP1B inhibition activity, among which compound 3 showed the most potent PTP1B inhibition with an IC50 value of 2.07 ± 0.05 μM. Compounds 3 and 5 could significantly increase cellular glucose consumption and glucose uptake in L6 muscle cells and could synergize with insulin to promote glucose consumption and glucose uptake in a concentration-dependent manner. The treatment of compound 3 also promoted glycogen synthesis in skeletal muscle cells. Western blot analysis demonstrated that the good hypoglycemic effect of compounds 3 and 5 was achieved by activating PI3K/AKT signaling pathway to promote glucose consumption, glucose uptake, and glycogen synthesis. Furthermore, studies on molecular docking revealed the potent interactions between these bioactive substances and the PTP1B protein.
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Affiliation(s)
- Amanguli Tuohongerbieke
- The Key Laboratory of Plant Resources and Chemistry of Arid Zone and State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Liu Liu
- The Key Laboratory of Plant Resources and Chemistry of Arid Zone and State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Jun Li
- The Key Laboratory of Plant Resources and Chemistry of Arid Zone and State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Xuelei Xin
- The Key Laboratory of Plant Resources and Chemistry of Arid Zone and State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Haji Akber Aisa
- The Key Laboratory of Plant Resources and Chemistry of Arid Zone and State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China; Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan, Guangdong 528400, China.
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7
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Naz R, Saeed A, Tirth V, Shukla NK, Mayet AM, Khan A, Vrinceanu N, Racheriu M, Amir T, Iqbal A. Structural and Functional Characterization of Novel Phosphotyrosine Phosphatase Protein from Drosophila melanogaster (Pupal Retina). ACS OMEGA 2023; 8:1937-1945. [PMID: 36687094 PMCID: PMC9850720 DOI: 10.1021/acsomega.2c04760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 11/03/2022] [Indexed: 06/17/2023]
Abstract
A novel pair of protein tyrosine phosphatases in Drosophila melanogaster (pupal retina) has been identified. Phosphotyrosyl protein phosphatases (PTPs) are structurally diverse enzymes increasingly recognized as having a fundamental role in cellular processes including effects on metabolism, cell proliferation, and differentiation. This study presents identification of novel sequences of PTPs and their comparative homology modeling from Drosophila melanogaster (Dr-PTPs) and complexation with the potent inhibitor HEPES. The 3D structure was predicted based on sequence homology with bovine heart low molecular weight PTPs (Bh-PTPs). The sequence homologies are approximately 50% identical to each other and to low molecular weight protein tyrosine phosphatases (PTPs) in other species. Comparison of the 3D structures of Bh-PTPs and Dr-PTPs (primo-2) reveals a remarkable similarity having a four stranded central parallel β sheet with flanking α helices on both sides, showing two right handed β-α-β motifs. The inhibitor shows similar binding features as seen in other PTPs. The study also highlights the key catalytic residues important for target recognition and PTPs' activation. The structure guided studies of both proteins clearly reveal a common mechanism of action and inhibitor binding at the active site and will be expected to contribute toward the basic understanding of functional association of this enzyme with other molecules.
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Affiliation(s)
- Rubina Naz
- Institute
of Chemical Sciences, Gomal University, Dera Ismail Khan 29050, Pakistan
| | - Asma Saeed
- Department
of Biological Sciences, Gomal University, Dera Ismail Khan 29050, Pakistan
| | - Vineet Tirth
- Mechanical
Engineering Department, College of Engineering, King Khalid University, Abha 61421, Kingdom of Saudi Arabia
- Research
Center for Advanced Materials Science (RCAMS), King Khalid University, Guraiger, P.O. Box No. 9004, Abha 61413, Asir, Kingdom
of Saudi Arabia
| | - Neeraj Kumar Shukla
- Mechanical
Engineering Department, College of Engineering, King Khalid University, Abha 61421, Kingdom of Saudi Arabia
| | - Abdulilah Mohammad Mayet
- Mechanical
Engineering Department, College of Engineering, King Khalid University, Abha 61421, Kingdom of Saudi Arabia
| | - Alamzeb Khan
- Department
of Pediatrics, Yale School of Medicine, Yale University, New Haven, Connecticut 06511, United States
| | - Narcisa Vrinceanu
- Faculty
of Engineering, Department of Industrial Machines and Equipment, “Lucian Blaga” University of Sibiu, 10 Victoriei Boulevard, Sibiu 550024, Romania
| | - Mihaela Racheriu
- Medicine
Faculty, “Lucian Blaga” University
of Sibiu, 2A Lucian Blaga
Str, Sibiu 550169, Romania Cty Clin Emergency Hosp, 2-4 Corneliu Coposu
Str, Sibiu 550245, Romania
| | - Tahira Amir
- Department
of Chemistry, University of Wah, Quaid Avenue, Wah 47040, Pakistan
| | - Anwar Iqbal
- Department
of Chemical Sciences, University of Lakki
Marwat, Lakki Marwat 28420, Pakistan
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8
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Comprehensive Bioinformatics Analysis Reveals PTPN1 (PTP1B) Is a Promising Immunotherapy Target Associated with T Cell Function for Liver Cancer. JOURNAL OF HEALTHCARE ENGINEERING 2023; 2023:1533794. [PMID: 36741874 PMCID: PMC9897930 DOI: 10.1155/2023/1533794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 11/13/2022] [Accepted: 01/05/2023] [Indexed: 01/28/2023]
Abstract
Recently, PTP1B was identified as a novel immune checkpoint whose removal can unleash T cell responses. However, research on the influence of PTP1B as an immune regulator on liver cancer is limited. This study aimed to investigate the immunological correlation and function of PTP1B in liver cancer. The expression profiles and corresponding clinical information of liver cancer patients were obtained from the TCGA and ICGC databases. GSE146115 and GSE98638 retrieved from the GEO database were used for the single-cell RNA-seq analysis. The mRNA expression of PTP1B (PTPN1) was increased in patients with most malignancies (all p < 0.05), including liver cancer (p < 0.001). Furthermore, up-regulated PTPN1 was connected to advanced tumor stage (p < 0.05) and worse prognosis (p < 0.01) in liver cancer. Through Cox regression analysis, PTPN1 was considered as an independent prognosis factor of overall survival (p < 0.05) and acted as a high-risk factor (hazard ratio > 1). Gene function and pathway analysis suggested PTPN1 was involved in T cell-related immune responses. Moreover, a close relationship was also found between PTPN1 expression and immune checkpoints as well as immune cells, especially with T cell-related checkpoints (all p < 0.001) and T cells (all p < 0.001). Single-cell RNA-seq analysis further illustrated that the enrichment of PTPN1 in the T cell population may be linked to its exhaustion in the liver cancer microenvironment. Overall, PTPN1 (PTP1B) closely related to T cell may function as an immunotherapy target for liver cancer.
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9
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Yarnall MT, Kim SH, Korntner S, Bishop AC. Destabilization of the SHP2 and SHP1 protein tyrosine phosphatase domains by a non-conserved "backdoor" cysteine. Biochem Biophys Rep 2022; 32:101370. [PMID: 36275931 PMCID: PMC9578986 DOI: 10.1016/j.bbrep.2022.101370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 10/11/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
Abstract
Protein tyrosine phosphatases (PTPs) are critical regulators of cellular signal transduction that catalyze the hydrolytic dephosphorylation of phosphotyrosine in substrate proteins. Among several conserved features in classical PTP domains are an active-site cysteine residue that is necessary for catalysis and a "backdoor" cysteine residue that can serve to protect the active-site cysteine from irreversible oxidation. Curiously, two biologically important phosphatases, Src homology domain-containing PTPs 2 and 1 (SHP2 and SHP1), each contain an additional backdoor cysteine residue at a position of the PTP domain that is occupied by proline in almost all other classical PTPs (position 333 in human SHP2 numbering). Here we show that the presence of cysteine 333 significantly destabilizes the fold of the PTP domains in the SHPs. We find that replacement of cysteine 333 with proline confers increased thermal stability on the SHP2 and SHP1 PTP domains, as measured by temperature-dependent activity assays and differential scanning fluorimetry. Conversely, we show that substantial destabilization of the PTP-domain fold is conferred by introduction of a non-natural cysteine residue in a non-SHP PTP that contains proline at the 333 position. It has previously been suggested that the extra backdoor cysteine of the SHP PTPs may work in tandem with the conserved backdoor cysteine to provide protection from irreversible oxidative enzyme inactivation. If so, our current results suggest that, during the course of mammalian evolution, the SHP proteins have developed extra protection from oxidation at the cost of the thermal instability that is conferred by the presence of their PTP domains' second backdoor cysteine.
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Affiliation(s)
| | - Sean H. Kim
- Amherst College, Department of Chemistry, Amherst, MA, 01002, USA
| | - Samuel Korntner
- Amherst College, Department of Chemistry, Amherst, MA, 01002, USA
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10
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Pérez-Vásquez A, Díaz-Rojas M, Castillejos-Ramírez EV, Pérez-Esquivel A, Montaño-Cruz Y, Rivero-Cruz I, Torres-Colín R, González-Andrade M, Rodríguez-Sotres R, Gutiérrez-González JA, Madariaga-Mazón A, Mata R. Protein tyrosine phosphatase 1B inhibitory activity of compounds from Justicia spicigera (Acanthaceae). PHYTOCHEMISTRY 2022; 203:113410. [PMID: 36030904 DOI: 10.1016/j.phytochem.2022.113410] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 06/15/2023]
Abstract
An infusion from the aerial parts of Justicia spicigera Schltdl., an herb commonly used to treat diabetes, inhibited the activity of protein tyrosine phosphatase 1B (PTP1B). Two undescribed compounds, 2-N-(p-coumaroyl)-3H-phenoxazin-3-one, and 3″-O-acetyl-kaempferitrin, along with kaempferitrin, kaempferol 7-O-α-L-rhamnopyranoside, perisbivalvine B and 2,5-dimethoxy-p-benzoquinone were isolated from the active extract. Their structures were elucidated by a combination of spectroscopic and spectrometric methods. The isolates were evaluated for their inhibitory activity against PTP1B; the most active compounds were 2-N-(p-coumaroyl)-3H-phenoxazin-3-one, and perisbivalvine B with IC50 values of 159.1 ± 0.02 μM and 106.6 ± 0.01 μM, respectively. However, perisbivalvine B was unstable. Kinetic analysis of 2-N-(p-coumaroyl)-3H-phenoxazin-3-one and 2,5-dimethoxy-p-benzoquinone (obtained in good amounts) indicated that both compounds behaved as parabolic competitive inhibitors and bind to the enzyme forming complexes with 1:1 and 1:2 stoichiometry. Docking of 2-N-(p-coumaroyl)-3H-phenoxazin-3-one and 2,5-dimethoxy-p-benzoquinone to PTP1B1-400 predicted a good affinity of these compounds for PTP1B catalytic site and demonstrated that the binding of a second ligand is sterically possible. The 1:2 complex was also supported by the second docking analysis, which predicted an important contribution of π-stacking interactions to the stability of these 1:2 complexes. Finally, an UHPLC-MS method was developed and validated to quantify the content of kaempferitrin in the infusion of the plant.
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Affiliation(s)
- Araceli Pérez-Vásquez
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico.
| | - Miriam Díaz-Rojas
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico
| | | | - Alejandra Pérez-Esquivel
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico
| | - Yullet Montaño-Cruz
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico
| | - Isabel Rivero-Cruz
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico
| | - Rafael Torres-Colín
- Instituto de Biología, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico
| | | | - Rogelio Rodríguez-Sotres
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico
| | | | - Abraham Madariaga-Mazón
- Instituto de Química, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico; Unidad Académica Del Instituto de Investigaciones en Matemáticas Aplicadas y en Sistemas, Universidad Nacional Autónoma de México, Merida, 97302, Mexico
| | - Rachel Mata
- Departamento de Farmacia, Facultad de Química, Universidad Nacional Autónoma de México, CDMX, 04510, Mexico.
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11
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Zhou J, Guo H, Zhang Y, Liu H, Dou Q. The role of PTP1B (PTPN1) in the prognosis of solid tumors: A meta-analysis. Medicine (Baltimore) 2022; 101:e30826. [PMID: 36221386 PMCID: PMC9543024 DOI: 10.1097/md.0000000000030826] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND Protein tyrosine phosphatase 1B (PTP1B) played different role in different solid tumors, and was associated with the prognosis of solid tumors. However, the roles existed controversy. This meta-analysis was performed to determine whether PTP1B was relevant to the prognosis of solid tumors. MATERIALS AND METHODS A literature search in Web of Science, Embase and PubMed databases were performed up to November 1, 2021. A meta-analysis dealed with PTP1B assessment in solid tumors, providing clinical stages and survival comparisons according to the PTP1B status. RESULTS High PTP1B expression was significantly associated with later clinical stage of solid tumors (Odds ratio [OR] 2.25, 95% confidence interval [CI]: 1.71-2.98, P < .001). For solid tumors, the hazard ratio (HR) for disease free survival (DFS) detrimental with high PTP1B expression compared with low PTP1B expression was 1.07 (95%CI: 0.67-1.73, P = .77) with the obvious heterogeneity (P = .03, I2 = 66%). The HR of overall survival (OS) for solid tumors with high PTP1B expression versus low PTP1B expression was 1.26 (95%CI: 1.03-1.55, P = .03) with significant publication bias (t = 3.28, P = .005). Subgroup analysis indicated that the high expression of PTP1B was remarkably correlated with poor OS in colorectal carcinoma, only (HR = 1.43; 95%CI: 1.18-1.74; P = .003). CONCLUSIONS High PTP1B expression is significantly associated with later clinical stage of solid tumors. The high expression of PTP1B is remarkably correlated with poor OS in colorectal carcinoma, only. There is no definite conclusion that PTP1B was, or not associated with DFS and OS of solid tumors because of heterogeneity and publication bias. Whether PTP1B can be used as a biomarker for predicting the prognosis of solid tumors needs further study.
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Affiliation(s)
- Jiupeng Zhou
- Xi’an Chest Hospital, Xi’an, Shaanxi Province, China
- *Correspondence: Jiupeng Zhou, Xian Chest Hospital, Xi’an 710000, Shaanxi Province, China (e-mail: )
| | - Hui Guo
- The First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi Province, China
| | | | - Heng Liu
- Xi’an Chest Hospital, Xi’an, Shaanxi Province, China
| | - Quanli Dou
- Xi’an Chest Hospital, Xi’an, Shaanxi Province, China
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12
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Behl T, Gupta A, Sehgal A, Albarrati A, Albratty M, Meraya AM, Najmi A, Bhatia S, Bungau S. Exploring protein tyrosine phosphatases (PTP) and PTP-1B inhibitors in management of diabetes mellitus. Biomed Pharmacother 2022; 153:113405. [DOI: 10.1016/j.biopha.2022.113405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 07/07/2022] [Accepted: 07/08/2022] [Indexed: 11/02/2022] Open
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13
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Lu Y, Zhang X, Li X, Deng L, Wei C, Yang D, Tan X, Pan W, Pang L. MiR-135a-5p suppresses trophoblast proliferative, migratory, invasive, and angiogenic activity in the context of unexplained spontaneous abortion. Reprod Biol Endocrinol 2022; 20:82. [PMID: 35610725 PMCID: PMC9128262 DOI: 10.1186/s12958-022-00952-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 05/05/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Spontaneous abortions (SA) is amongst the most common complications associated with pregnancy in humans, and the underlying causes cannot be identified in roughly half of SA cases. We found miR-135a-5p to be significantly upregulated in SA-associated villus tissues, yet the function it plays in this context has yet to be clarified. This study explored the function of miR-135a-5p and its potential as a biomarker for unexplained SA. METHOD RT-qPCR was employed for appraising miR-135a-5p expression within villus tissues with its clinical diagnostic values being assessed using ROC curves. The effects of miR-135a-5p in HTR-8/SVneo cells were analyzed via wound healing, Transwell, flow cytometry, EdU, CCK-8, and tube formation assays. Moreover, protein expression was examined via Western blotting, and interactions between miR-135a-5p and PTPN1 were explored through RIP-PCR, bioinformatics analyses and luciferase reporter assays. RESULTS Relative to normal pregnancy (NP), villus tissue samples from pregnancies that ended in unexplained sporadic miscarriage (USM) or unexplained recurrent SA (URSA) exhibited miR-135a-5p upregulation. When this miRNA was overexpressed in HTR-8/SVneo cells, their migration, proliferation, and cell cycle progression were suppressed, as were their tube forming and invasive activities. miR-135a-5p over-expression also downregulated the protein level of cyclins, PTPN1, MMP2 and MMP9. In RIP-PCR assays, the Ago2 protein exhibited significant miR-135a-5p and PTPN1 mRNA enrichment, and dual-luciferase reporter assays indicated PTPN1 to be a bona fide miR-135a-5p target gene within HTR-8/SVneo cells. CONCLUSION miR-135a-5p may suppress trophoblast migratory, invasive, proliferative, and angiogenic activity via targeting PTPN1, and it may thus offer value as a biomarker for unexplained SA.
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Affiliation(s)
- Yebin Lu
- Department of Prenatal Diagnosis and Genetic Diseases, First Affiliated Hospital of Guangxi Medical University, Guangxi, China
- Guangxi Medical University, Guangxi, China
| | - Xiaoli Zhang
- Guangxi Medical University, Guangxi, China
- Department of Obstetrics and Gynecology, Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, China
| | - Xueyu Li
- Guangxi Medical University, Guangxi, China
- Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, Guangxi, China
| | - Lingjie Deng
- Department of Prenatal Diagnosis and Genetic Diseases, First Affiliated Hospital of Guangxi Medical University, Guangxi, China
| | | | - Dongmei Yang
- Department of Prenatal Diagnosis and Genetic Diseases, First Affiliated Hospital of Guangxi Medical University, Guangxi, China
| | - Xuemei Tan
- Guangxi Medical University, Guangxi, China
| | | | - Lihong Pang
- Department of Prenatal Diagnosis and Genetic Diseases, First Affiliated Hospital of Guangxi Medical University, Guangxi, China.
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14
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Yuan F, Gao Q, Tang H, Shi J, Zhou Y. Ophiopogonin‑B targets PTP1B to inhibit the malignant progression of hepatocellular carcinoma by regulating the PI3K/AKT and AMPK signaling pathways. Mol Med Rep 2022; 25:122. [PMID: 35169857 PMCID: PMC8864608 DOI: 10.3892/mmr.2022.12638] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 12/23/2021] [Indexed: 11/06/2022] Open
Abstract
Ophiopogonin‑B (OP‑B) is a bioactive component from the root of Ophiopogon japonicus, which can exert anticancer effects on multiple malignant tumors. The present study aimed to uncover the effects of OP‑B on hepatocellular carcinoma (HCC) and the underlying mechanisms. An HCC‑xenografted mouse model was established and subsequently treated with OP‑B (15 and 75 mg/kg) to observe the effects of OP‑B on HCC progression and protein tyrosine phosphatase 1B (PTP1B) expression in vivo. The HCC cell line MHCC97‑H was transfected with either PTP1B overexpression (Ov)‑PTP1B or empty vector control, and then exposed to different concentrations of OP‑B. Subsequently, PTP1B expression, cell viability, proliferation, apoptosis, migration, invasion and angiogenesis were evaluated by western blotting, reverse transcription‑quantitative PCR, Cell Counting Kit‑8, colony formation, TUNEL staining, wound healing, Transwell and tube formation assays. The expression of phosphatidylinositol 3 kinase (PI3K)/AKT and adenosine 5'‑monophosphate‑activated protein kinase (AMPK) was also assessed by western blot assay. The results showed that OP‑B inhibited tumor growth and the expression of Ki67, CD31, VEGFA and PTP1B in HCC xenograft model. The expression of PTP1B in HCC cells was also inhibited by OP‑B in a concentration‑dependent manner. Results from the in vitro studies revealed that OP‑B suppressed cell proliferation, migration, invasion and angiogenesis, and promoted apoptosis of HCC cells. However, PTP1B overexpression reversed the effect of OP‑B on HCC cells. PI3K/AKT was inactivated and AMPK was activated by OP‑B exposure in HCC cells, and PTP1B overexpression blocked these effects. In conclusion, OP‑B effectively inhibited the progression of HCC both in vivo and in vitro. These effects may depend on downregulating PTP1B expression, thereby inactivating the PI3K/AKT pathway and activating the AMPK pathway.
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Affiliation(s)
- Fang Yuan
- Department of Liver Disease, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, Jiangsu 215101, P.R. China
| | - Qian Gao
- Department of Liver Disease, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, Jiangsu 215101, P.R. China
| | - Hailin Tang
- Department of Liver Disease, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, Jiangsu 215101, P.R. China
| | - Jun Shi
- Department of Liver Disease, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, Jiangsu 215101, P.R. China
| | - Yiqun Zhou
- Department of Liver Disease, Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, Jiangsu 215101, P.R. China
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15
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Recent Updates on Development of Protein-Tyrosine Phosphatase 1B Inhibitors for Treatment of Diabetes, Obesity and Related Disorders. Bioorg Chem 2022; 121:105626. [DOI: 10.1016/j.bioorg.2022.105626] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/19/2021] [Accepted: 01/13/2022] [Indexed: 01/30/2023]
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16
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Ali MY, Jannat S, Jung HA, Choi JS. Structural Bases for Hesperetin Derivatives: Inhibition of Protein Tyrosine Phosphatase 1B, Kinetics Mechanism and Molecular Docking Study. Molecules 2021; 26:molecules26247433. [PMID: 34946519 PMCID: PMC8705904 DOI: 10.3390/molecules26247433] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/03/2021] [Accepted: 12/06/2021] [Indexed: 11/26/2022] Open
Abstract
In the present study, we investigated the structure-activity relationship of naturally occurring hesperetin derivatives, as well as the effects of their glycosylation on the inhibition of diabetes-related enzyme systems, protein tyrosine phosphatase 1B (PTP1B) and α-glycosidase. Among the tested hesperetin derivatives, hesperetin 5-O-glucoside, a single-glucose-containing flavanone glycoside, significantly inhibited PTP1B with an IC50 value of 37.14 ± 0.07 µM. Hesperetin, which lacks a sugar molecule, was the weakest inhibitor compared to the reference compound, ursolic acid (IC50 = 9.65 ± 0.01 µM). The most active flavanone hesperetin 5-O-glucoside suggested that the position of a sugar moiety at the C-5-position influences the PTP1B inhibition. It was observed that the ability to inhibit PTP1B is dependent on the nature, position, and number of sugar moieties in the flavonoid structure, as well as conjugation. In the kinetic study of PTP1B enzyme inhibition, hesperetin 5-O-glucoside led to mixed-type inhibition. Molecular docking studies revealed that hesperetin 5-O-glucoside had a higher binding affinity with key amino residues, suggesting that this molecule best fits the PTP1B allosteric site cavity. The data reported here support hesperetin 5-O-glucoside as a hit for the design of more potent and selective inhibitors against PTP1B in the search for a new anti-diabetic treatment.
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Affiliation(s)
- Md Yousof Ali
- Department of Physiology and Pharmacology, Hotchkiss Brain Institute and Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB T2N 4N1, Canada;
| | - Susoma Jannat
- Department of Biochemistry and Molecular Biology, University of Calgary, AB T2N 1N4, Canada;
| | - Hyun-Ah Jung
- Department of Food Science and Human Nutrition, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (H.-A.J.); (J.-S.C.); Tel.: +82-51-629-7547 (J.-S.C.)
| | - Jae-Sue Choi
- Department of Food and Life Science, Pukyong National University, Busan 48513, Korea
- Correspondence: (H.-A.J.); (J.-S.C.); Tel.: +82-51-629-7547 (J.-S.C.)
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17
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Sharun K, Dhama K, Pawde AM, Gortázar C, Tiwari R, Bonilla-Aldana DK, Rodriguez-Morales AJ, de la Fuente J, Michalak I, Attia YA. SARS-CoV-2 in animals: potential for unknown reservoir hosts and public health implications. Vet Q 2021; 41:181-201. [PMID: 33892621 PMCID: PMC8128218 DOI: 10.1080/01652176.2021.1921311] [Citation(s) in RCA: 100] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/29/2021] [Accepted: 04/19/2021] [Indexed: 02/07/2023] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2, previously 2019-nCoV) is suspected of having originated in 2019 in China from a coronavirus infected bat of the genus Rhinolophus. Following the initial emergence, possibly facilitated by a mammalian bridge host, SARS-CoV-2 is currently transmitted across the globe via efficient human-to-human transmission. Results obtained from experimental studies indicate that animal species such as cats, ferrets, raccoon dogs, cynomolgus macaques, rhesus macaques, white-tailed deer, rabbits, Egyptian fruit bats, and Syrian hamsters are susceptible to SARS-CoV-2 infection, and that cat-to-cat and ferret-to-ferret transmission can take place via contact and air. However, natural infections of SARS-CoV-2 have been reported only in pet dogs and cats, tigers, lions, snow leopards, pumas, and gorillas at zoos, and farmed mink and ferrets. Even though human-to-animal spillover has been reported at several instances, SARS-CoV-2 transmission from animals-to-humans has only been reported from mink-to-humans in mink farms. Following the rapid transmission of SARS-CoV-2 within the mink population, a new mink-associated SARS-CoV-2 variant emerged that was identified in both humans and mink. The increasing reports of SARS-CoV-2 in carnivores indicate the higher susceptibility of animal species belonging to this order. The sporadic reports of SARS-CoV-2 infection in domestic and wild animal species require further investigation to determine if SARS-CoV-2 or related Betacoronaviruses can get established in kept, feral or wild animal populations, which may eventually act as viral reservoirs. This review analyzes the current evidence of SARS-CoV-2 natural infection in domestic and wild animal species and their possible implications on public health.
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Affiliation(s)
- Khan Sharun
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Abhijit M. Pawde
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Bareilly, India
| | - Christian Gortázar
- SaBio IREC Instituto de Investigación en Recursos Cinegéticos (CSIC-Universidad de Castilla-La Mancha), Ciudad Real, Spain
| | - Ruchi Tiwari
- Department of Veterinary Microbiology and Immunology, College of Veterinary Sciences, Uttar Pradesh Pandit Deen Dayal Upadhyaya Pashu Chikitsa Vigyan Vishwavidyalaya Evam Go Anusandhan Sansthan (DUVASU), Mathura, India
| | - D. Katterine Bonilla-Aldana
- Semillero de Investigación en Zoonosis (SIZOO), Grupo de Investigacion BIOECOS, Fundacion Universitaria Autonoma de las Americas, Pereira, Colombia
- Faculty of Health Sciences, Public Health and Infection Research Group, Universidad Tecnologica de Pereira, Pereira, Colombia
| | - Alfonso J. Rodriguez-Morales
- Faculty of Health Sciences, Public Health and Infection Research Group, Universidad Tecnologica de Pereira, Pereira, Colombia
- Faculty of Medicine, Grupo de Investigacion Biomedicina, Fundacion Universitaria Autonoma de las Americas, Pereira, Colombia
- Latin American Network of Coronavirus Disease 2019-COVID-19 Research (LANCOVID-19), Pereira, Colombia
- School of Medicine, Universidad Privada Franz Tamayo, (UNIFRANZ), Cochabamba, Bolivia
| | - José de la Fuente
- SaBio IREC Instituto de Investigación en Recursos Cinegéticos (CSIC-Universidad de Castilla-La Mancha), Ciudad Real, Spain
- Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, USA
| | - Izabela Michalak
- Faculty of Chemistry, Department of Advanced Material Technologies, Wroclaw University of Science and Technology, Wroclaw, Poland
| | - Youssef A. Attia
- Faculty of Environmental Sciences, Department of Agriculture, King Abdulaziz University, Jeddah, Saudi Arabia
- The Strategic Center to Kingdom Vision Realization, King Abdulaziz University, Jeddah, Saudi Arabia
- Faculty of Agriculture, Animal and Poultry Production Department, Damanhour University, Damanhour, Egypt
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18
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Li X, Niu M, Wang A, Lu L, Englert U, Feng S, Zhang L, Yuan C. Synthesis, structure and in vitro biological properties of a new copper(II) complex with 4-{[3-(pyridin-2-yl)-1H-pyrazol-1-yl]methyl}benzoic acid. ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY 2021; 77:641-648. [PMID: 34607987 DOI: 10.1107/s2053229621009748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 09/18/2021] [Indexed: 11/10/2022]
Abstract
The new copper(II) complex dichloridobis(4-{[3-(pyridin-2-yl-κN)-1H-pyrazol-1-yl-κN2]methyl}benzoic acid)copper(II) methanol sesquisolvate hemihydrate, [CuCl2L2]·1.5CH3OH·0.5H2O, (1), has been synthesized from CuCl2·2H2O and the ligand 4-{[3-(pyridin-2-yl)-1H-pyrazol-1-yl]methyl}benzoic acid (L, C15H11N3O2). The complex was characterized by elemental analysis, Fourier transform IR spectroscopy, electrospray ionization mass spectrometry and single-crystal X-ray diffraction. Two chloride ligands and two bidentate L ligands coordinate the CuII centre in 1 in a Jahn-Teller-distorted octahedral geometry of rather unusual configuration: a chloride substituent and a pyrazole N atom of an N,N'-chelating ligand occupy the more distant axial positions. Classical O-H...O hydrogen bonds and O-H...Cl interactions link neighbouring complex molecules and cocrystallized methanol molecules into chains that propagate parallel to the b direction. The title compound shows intriguing bioactivity: the effects of 1 on the enzymatic activity of protein tyrosine phosphatase 1B (PTP1B) and on the viability of human breast cancer cells of cell line MCF7 were evaluated. Complex 1, with an IC50 value of 0.51 µM, can efficiently inhibit PTP1B activity. An enzyme kinetic assay suggests that 1 inhibits PTP1B in a noncompetitive manner. A fluorescence titration assay indicates that 1 has a strong affinity for PTP1B, with a binding constant of 4.39 × 106 M-1. Complex 1 may also effectively decrease the viability of MCF7 cells in an extent comparable to that of cisplatin (IC50 = 6.3 µM). The new copper complex therefore represents a promising PTP1B inhibitor and an efficient antiproliferation reagent against MCF7 cells.
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Affiliation(s)
- Xinhua Li
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, Shanxi Province, People's Republic of China
| | - Mengyuan Niu
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, Shanxi Province, People's Republic of China
| | - Ai Wang
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, Shanxi Province, People's Republic of China
| | - Liping Lu
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, Shanxi Province, People's Republic of China
| | - Ulli Englert
- Institute of Inorganic Chemistry, RWTH Aachen University, Landoltweg. 1, Aachen 52074, Germany
| | - Sisi Feng
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, Shanxi Province, People's Republic of China
| | - Lizhen Zhang
- School of Life Science, Shanxi University, Taiyuan 030006, Shanxi Province, People's Republic of China
| | - Caixia Yuan
- The Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Institute of Molecular Science, Shanxi University, Taiyuan 030006, Shanxi Province, People's Republic of China
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Rocha S, Lucas M, Silva VLM, Gomes PMO, Silva AMS, Araújo AN, Aniceto N, Guedes RC, Corvo ML, Fernandes E, Freitas M. Pyrazoles as novel protein tyrosine phosphatase 1B (PTP1B) inhibitors: An in vitro and in silico study. Int J Biol Macromol 2021; 181:1171-1182. [PMID: 33857515 DOI: 10.1016/j.ijbiomac.2021.04.061] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 04/07/2021] [Accepted: 04/09/2021] [Indexed: 01/08/2023]
Abstract
Type 2 diabetes mellitus (DM) is a complex chronic disorder and a major global health problem. Insulin resistance is the primary detectable abnormality and the main characteristic feature in individuals with type 2 DM. Protein tyrosine phosphatase 1B (PTP1B) is a key negative regulator of the insulin signaling pathway, which dephosphorylates insulin receptor and insulin receptor substrates, suppressing the insulin signaling cascade. Therefore, the inhibition of PTP1B has become a potential strategy in the management of type 2 DM. In this study, a library of 22 pyrazoles was evaluated here for the first time against human PTP1B activity, using a microanalysis screening system. The results showed that 5-(2-hydroxyphenyl)-3-{2-[3-(4-nitrophenyl)-1,2,3,4-tetrahydronaphthyl]}-1-phenylpyrazole 20 and 3-(2-hydroxyphenyl)-5-{2-[3-(4-methoxyphenyl)]naphthyl}pyrazole 22 excelled as the most potent inhibitors of PTP1B, through noncompetitive inhibition mechanism. These findings suggest that the presence of additional benzene rings as functional groups in the pyrazole moiety increases the ability of pyrazoles to inhibit PTP1B. The most active compounds showed selectivity over the homologous T-cell protein tyrosine phosphatase (TCPTP). Molecular docking analyses were performed and revealed a particular contact signature involving residues like TYR46, ASP48, PHE182, TYR46, ALA217 and ILE219. This study represents a significant beginning for the design of novel PTP1B inhibitors.
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Affiliation(s)
- Sónia Rocha
- LAQV-REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Mariana Lucas
- LAQV-REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Vera L M Silva
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Pedro M O Gomes
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Artur M S Silva
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Alberto N Araújo
- LAQV-REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Natália Aniceto
- Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Rita C Guedes
- Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - M Luísa Corvo
- Research Institute for Medicines, Faculdade de Farmácia, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Eduarda Fernandes
- LAQV-REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
| | - Marisa Freitas
- LAQV-REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
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Díaz-Rojas M, Raja H, González-Andrade M, Rivera-Chávez J, Rangel-Grimaldo M, Rivero-Cruz I, Mata R. Protein tyrosine phosphatase 1B inhibitors from the fungus Malbranchea albolutea. PHYTOCHEMISTRY 2021; 184:112664. [PMID: 33524855 DOI: 10.1016/j.phytochem.2021.112664] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 06/12/2023]
Abstract
From solid rice-based cultures of Malbranchea albolutea, three undescribed ardeemins and sartoryglabrins analogs were discovered and named alboluteins A-C. 1H-Indole-3-carbaldehyde, and anthranilic acid were also isolated. 1D and 2D-NMR techniques, as well as DFT-calculated chemical shifts, allowed characterizing alboluteins A-C. Testing these compounds against PTP1B indicated their inhibitory activity with IC50's ranging from 19 to 129 μM (ursolic acid IC50 = 29.8 μM, positive control). Kinetic analysis revealed that albolutein C behaved as a non-competitive inhibitor. Docking studies of alboluteins A-C into the crystal structure of PTP1B (PDB ID: 1T49) predicted that all compounds prefer to bind at the allosteric site of the enzyme, with Ki values of 2.02 × 10-4, 1.31 × 10-4, and 2.67 × 10-4 mM, respectively. Molecular dynamic studies indicated that the active compounds remained tied to the enzyme with good binding energy.
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Affiliation(s)
- Miriam Díaz-Rojas
- Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Huzefa Raja
- Department of Chemistry and Biochemistry, University of North Carolina at Greensboro, Greensboro, 27412, NC, USA
| | | | - José Rivera-Chávez
- Instituto de Química, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Manuel Rangel-Grimaldo
- Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Isabel Rivero-Cruz
- Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
| | - Rachel Mata
- Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico.
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21
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Li Y, Lin L, Jin K, Gao L, Sheng L, Liu J, Li J. Synthesis and Protein Tyrosine Phosphatase 1B (PTP1B) Inhibitory Activity Evaluation of Novel Arylaminoacetylhydrazone Derivatives Containing Carbazole Moiety. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202102046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Kousaxidis A, Petrou A, Lavrentaki V, Fesatidou M, Nicolaou I, Geronikaki A. Aldose reductase and protein tyrosine phosphatase 1B inhibitors as a promising therapeutic approach for diabetes mellitus. Eur J Med Chem 2020; 207:112742. [PMID: 32871344 DOI: 10.1016/j.ejmech.2020.112742] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 08/06/2020] [Indexed: 02/07/2023]
Abstract
Diabetes mellitus is a metabolic disease characterized by high blood glucose levels and usually associated with several chronic pathologies. Aldose reductase and protein tyrosine phosphatase 1B enzymes have identified as two novel molecular targets associated with the onset and progression of type II diabetes and related comorbidities. Although many inhibitors against these enzymes have already found in the field of diabetic mellitus, the research for discovering more effective and selective agents with optimal pharmacokinetic properties continues. In addition, dual inhibition of these target proteins has proved as a promising therapeutic approach. A variety of diverse scaffolds are presented in this review for the future design of potent and selective inhibitors of aldose reductase and protein tyrosine phosphatase 1B based on the most important structural features of both enzymes. The discovery of novel dual aldose reductase and protein tyrosine phosphatase 1B inhibitors could be effective therapeutic molecules for the treatment of insulin-resistant type II diabetes mellitus. The methods used comprise a literature survey and X-ray crystal structures derived from Protein Databank (PDB). Despite the available therapeutic options for type II diabetes mellitus, the inhibitors of aldose reductase and protein tyrosine phosphatase 1B could be two promising approaches for the effective treatment of hyperglycemia and diabetes-associated pathologies. Due to the poor pharmacokinetic profile and low in vivo efficacy of existing inhibitors of both targets, the research turned to more selective and cell-permeable agents as well as multi-target molecules.
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Affiliation(s)
- Antonios Kousaxidis
- School of Health, Department of Pharmacy, Aristotle University of Thessaloniki, 54124, Greece
| | - Anthi Petrou
- School of Health, Department of Pharmacy, Aristotle University of Thessaloniki, 54124, Greece
| | - Vasiliki Lavrentaki
- School of Health, Department of Pharmacy, Aristotle University of Thessaloniki, 54124, Greece
| | - Maria Fesatidou
- School of Health, Department of Pharmacy, Aristotle University of Thessaloniki, 54124, Greece
| | - Ioannis Nicolaou
- School of Health, Department of Pharmacy, Aristotle University of Thessaloniki, 54124, Greece
| | - Athina Geronikaki
- School of Health, Department of Pharmacy, Aristotle University of Thessaloniki, 54124, Greece.
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Pan BQ, Xie ZH, Hao JJ, Zhang Y, Xu X, Cai Y, Wang MR. PTP1B up-regulates EGFR expression by dephosphorylating MYH9 at Y1408 to promote cell migration and invasion in esophageal squamous cell carcinoma. Biochem Biophys Res Commun 2019; 522:53-60. [PMID: 31735331 DOI: 10.1016/j.bbrc.2019.10.168] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 10/24/2019] [Indexed: 12/12/2022]
Abstract
Esophageal squamous cell carcinoma (ESCC) is one of the most common cancers worldwide. Protein tyrosine phosphatase 1B (PTP1B) is a member of protein tyrosine phosphatases (PTPs) family. In our previous work, PTP1B was found to be overexpressed in ESCC tissues and made contributions to the the cell migration and invasion as well as lung metastasis of ESCC. In this study, we explored the underlying molecular mechanisms. PTP1B enhanced cell migration and invasion by promoting epidermal growth factor receptor (EGFR) expression in ESCC, which was relied on phosphatase activity of PTP1B. Using GST-pulldown combined with LC/MS/MS, we found that nonmuscle myosin IIA (MYH9) was a novel substrate of PTP1B in ESCC cells. PTP1B dephosphorylated MYH9 at Y1408, by which PTP1B up-regulated EGFR expression and enhanced cell migration and invasion in ESCC. In conclusion, our study first reported that PTP1B was the positive regulator of EGFR by dephosphorylating MYH9 at Y1408 to promote cell migration and invasion, which revealed the regulatory mechanism of PTP1B-MYH9-EGFR axis in ESCC.
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Affiliation(s)
- Bei-Qing Pan
- State Key Laboratory of Molecular Oncology, Center for Cancer Precision Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100021, China
| | - Zhi-Hui Xie
- State Key Laboratory of Molecular Oncology, Center for Cancer Precision Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100021, China
| | - Jia-Jie Hao
- State Key Laboratory of Molecular Oncology, Center for Cancer Precision Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100021, China
| | - Yu Zhang
- State Key Laboratory of Molecular Oncology, Center for Cancer Precision Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100021, China
| | - Xin Xu
- State Key Laboratory of Molecular Oncology, Center for Cancer Precision Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100021, China
| | - Yan Cai
- State Key Laboratory of Molecular Oncology, Center for Cancer Precision Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100021, China
| | - Ming-Rong Wang
- State Key Laboratory of Molecular Oncology, Center for Cancer Precision Medicine, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100021, China.
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