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Takarada JE, Cunha MR, Almeida VM, Vasconcelos SNS, Santiago AS, Godoi PH, Salmazo A, Ramos PZ, Fala AM, de Souza LR, Da Silva IEP, Bengtson MH, Massirer KB, Couñago RM. Discovery of pyrazolo[3,4-d]pyrimidines as novel mitogen-activated protein kinase kinase 3 (MKK3) inhibitors. Bioorg Med Chem 2024; 98:117561. [PMID: 38157838 DOI: 10.1016/j.bmc.2023.117561] [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: 10/14/2023] [Revised: 12/06/2023] [Accepted: 12/17/2023] [Indexed: 01/03/2024]
Abstract
The dual-specificity protein kinase MKK3 has been implicated in tumor cell proliferation and survival, yet its precise role in cancer remains inconclusive. A critical step in elucidating the kinase's involvement in disease biology is the identification of potent, cell-permeable kinase inhibitors. Presently, MKK3 lacks a dedicated tool compound for these purposes, along with validated methods for the facile screening, identification, and optimization of inhibitors. In this study, we have developed a TR-FRET-based enzymatic assay for the detection of MKK3 activity in vitro and a BRET-based assay to assess ligand binding to this enzyme within intact human cells. These assays were instrumental in identifying hit compounds against MKK3 that share a common chemical scaffold, sourced from a library of bioactive kinase inhibitors. Initial hits were subsequently expanded through the synthesis of novel analogs. The resulting structure-activity relationship (SAR) was rationalized using molecular dynamics simulations against a homology model of MKK3. We expect our findings to expedite the development of novel, potent, selective, and bioactive inhibitors, thus facilitating investigations into MKK3's role in various cancers.
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Affiliation(s)
- Jéssica E Takarada
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Micael R Cunha
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Vitor M Almeida
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Stanley N S Vasconcelos
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - André S Santiago
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Paulo H Godoi
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Anita Salmazo
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Priscila Z Ramos
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Angela M Fala
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Lucas R de Souza
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Italo E P Da Silva
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil; Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, SP 13083-862, Brazil
| | - Mario H Bengtson
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil; Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, SP 13083-862, Brazil
| | - Katlin B Massirer
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil
| | - Rafael M Couñago
- Center of Medicinal Chemistry (CQMED), Center for Molecular Biology and Genetic Engineering (CBMEG), University of Campinas, Av. Dr. André Tosello 550, 13083-886 Campinas, Brazil; Structural Genomics Consortium and Division of Chemical Biology and Medicinal Chemistry, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC 27599, United States.
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2
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Politanskaya L, Khasanov B, Potapov A. Synthetic approaches to fluorinated derivatives of 4-(vinylthio)pyridine. J Fluor Chem 2022. [DOI: 10.1016/j.jfluchem.2022.110063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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3
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Catarzi D, Varano F, Vigiani E, Lambertucci C, Spinaci A, Volpini R, Colotta V. Casein Kinase 1δ Inhibitors as Promising Therapeutic Agents for Neurodegenerative Disorders. Curr Med Chem 2022; 29:4698-4737. [PMID: 35232339 DOI: 10.2174/0929867329666220301115124] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 11/06/2021] [Accepted: 01/01/2022] [Indexed: 11/22/2022]
Abstract
Casein kinase 1 (CK1) belongs to the serine-threonine kinase family and is expressed in all eukaryotic organisms. At least six human isoforms of CK1 (termed α, γ1-3, δ and ε) have been cloned and characterized. CK1 isoform modulates several physiological processes, including DNA damage repair, circadian rhythm, cellular proliferation and apoptosis. Therefore, CK1 dysfunction may trigger diverse pathologies, such as cancer, inflammation and central nervous system disorders. Overexpression and aberrant activity of CK1 has been connected to hyperphosphorylation of key proteins implicated in the development of neurodegenerative disorders, such as Parkinson's and Alzheimer's diseases and Amyotrophic Lateral Sclerosis. Thus, CK1 inhibitors have attracted attention as potential drugs for these pathologies and several compounds have been synthesized or isolated from natural sources to be evaluated for their CK1 inhibitory activity. Here we report a comprehensive review on the development of CK1 inhibitors, with a particular emphasis on structure-activity relationships and computational studies which provide useful insight for the design of novel inhibitors.
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Affiliation(s)
- Daniela Catarzi
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff, 6, 50019 Sesto Fiorentino, Italy
| | - Flavia Varano
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff, 6, 50019 Sesto Fiorentino, Italy
| | - Erica Vigiani
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff, 6, 50019 Sesto Fiorentino, Italy
| | - Catia Lambertucci
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università degli Studi di Camerino, Via S. Agostino 1, 62032 Camerino (MC), Italy
| | - Andrea Spinaci
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università degli Studi di Camerino, Via S. Agostino 1, 62032 Camerino (MC), Italy
| | - Rosaria Volpini
- Scuola di Scienze del Farmaco e dei Prodotti della Salute, Università degli Studi di Camerino, Via S. Agostino 1, 62032 Camerino (MC), Italy
| | - Vittoria Colotta
- Dipartimento di Neuroscienze, Psicologia, Area del Farmaco e Salute del Bambino, Sezione di Farmaceutica e Nutraceutica, Università degli Studi di Firenze, Via Ugo Schiff, 6, 50019 Sesto Fiorentino, Italy
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Singh RK, Najmi AK. Novel Therapeutic Potential of Mitogen-Activated Protein Kinase Activated Protein Kinase 2 (MK2) in Chronic Airway Inflammatory Disorders. Curr Drug Targets 2020; 20:367-379. [PMID: 30112991 DOI: 10.2174/1389450119666180816121323] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 07/17/2018] [Accepted: 08/09/2018] [Indexed: 02/04/2023]
Abstract
OBJECTIVE The primary focus of this review is to highlight the current and emerging proinflammatory role of MK2 kinase signaling in p38MAPK pathway and to provide a detailed evaluation on the prospects of MK2 inhibition with special emphasis on the etiology of chronic inflammatory airway diseases, such as asthma, idiopathic pulmonary fibrosis, lung cancer, acute lung injury and acute respiratory distress syndrome. BACKGROUND MK2 belongs to serine-threonine kinase family and is activated directly by stress and inflammatory signal through p38MAPK phosphorylation in diverse inflammatory conditions through the Toll-like receptor signaling pathway. MK2 has been thought to be a critical factor involved in the regulation of synthesis and release of pro-inflammatory (TNF-α, IL-6 and IL-1β, etc.) proteins. Targeted inhibition of MK2 kinase has been shown to significantly reduce the production and release of these cytokine molecules. Therefore, MK2 has been identified as an effective strategy (alternative to p38MAPK) to block this pro-inflammatory signaling pathway. RESULTS The inhibition of MK2 may lead to similar or better efficacy as that of p38 inhibitors, and interestingly avoids the systemic toxicity shown by the p38 inhibitors. Thus, MK2 has been the focus of intense interdisciplinary research and its specific inhibition can be a novel and potential therapeutic strategy for the treatment of chronic airway inflammatory diseases. CONCLUSION Promising advancement in understanding and rigorous exploration of the role of MK2 kinase in inflammatory processes may contribute to the development of newer and safer therapy for the treatment of chronic airway inflammatory diseases in the future.
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Affiliation(s)
- Rakesh Kumar Singh
- School of Pharmaceutical Sciences, Apeejay Stya University, Sohna, Gurgaon-122013, India.,Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard, New Delhi-110062, India
| | - Abul Kalam Najmi
- Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard, New Delhi-110062, India
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You W, Tang Z, Chang CEA. Potential Mean Force from Umbrella Sampling Simulations: What Can We Learn and What Is Missed? J Chem Theory Comput 2019; 15:2433-2443. [PMID: 30811931 PMCID: PMC6456367 DOI: 10.1021/acs.jctc.8b01142] [Citation(s) in RCA: 68] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Changes in free energy provide valuable information for molecular recognition, including both ligand-receptor binding thermodynamics and kinetics. Umbrella sampling (US), a widely used free energy calculation method, has long been used to explore the dissociation process of ligand-receptor systems and compute binding free energy. In existing publications, the binding free energy computed from the potential of mean force (PMF) with US simulation mostly yielded "ball park" values with experimental data. However, the computed PMF values are highly influenced by factors such as initial conformations and/or trajectories provided, the reaction coordinate, and sampling of conformational space in each US window. These critical factors have rarely been carefully studied. Here we used US to study the guest aspirin and 1-butanol dissociation processes of β-cyclodextrin (β-CD) and an inhibitor SB2 dissociation from a p38α mitogen-activated protein kinase (MAPK) complex. For β-CD, we used three different β-CD conformations to generate the dissociation path with US windows. For p38α, we generated the dissociation pathway by using accelerated molecular dynamics followed by conformational relaxing with short conventional MD, steered MD, and manual pulling. We found that, even for small β-CD complexes, different β-CD conformations altered the height of the PMF, but the pattern of PMF was not affected if the MD sampling in each US window was well-converged. Because changing the macrocyclic ring conformation needs to rotate dihedral angles in the ring, a bound ligand largely restrains the motion of cyclodextrin. Therefore, once a guest is in the binding site, cyclodextrin cannot freely change its initial conformation, resulting in different absolute heights of the PMF, which cannot be overcome by running excessively long MD simulations for each US window. Moreover, if the US simulations were not converged, the important barrier and minimum were missed. For ligand-protein systems, our studies also suggest that the dissociation trajectories modeled by an enhanced sampling method must maintain a natural molecular movement to avoid biased PMF plots when using US simulations.
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Affiliation(s)
- Wanli You
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Zhiye Tang
- Department of Chemistry, University of California, Riverside, California 92521, United States
| | - Chia-en A. Chang
- Department of Chemistry, University of California, Riverside, California 92521, United States
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Al-Sadi R, Youssef M, Rawat M, Guo S, Dokladny K, Haque M, Watterson MD, Ma TY. MMP-9-induced increase in intestinal epithelial tight permeability is mediated by p38 kinase signaling pathway activation of MLCK gene. Am J Physiol Gastrointest Liver Physiol 2019; 316:G278-G290. [PMID: 30543452 PMCID: PMC6397336 DOI: 10.1152/ajpgi.00126.2018] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Matrix metalloproteinase-9 (MMP-9) has been implicated as being an important pathogenic factor in inflammatory bowel disease (IBD). MMP-9 is markedly elevated in intestinal tissue of patients with IBD, and IBD patients have a defective intestinal tight-junction (TJ) barrier manifested by an increase in intestinal permeability. The loss of intestinal epithelial barrier function is an important contributing factor in the development and prolongation of intestinal inflammation; however, the role of MMP-9 in intestinal barrier function remains unclear. The purpose of this study was to investigate the effect of MMP-9 on the intestinal epithelial TJ barrier and to delineate the intracellular mechanisms involved by using in vitro (filter-grown Caco-2 monolayers) and in vivo (mouse small intestine recycling perfusion) systems. MMP-9 caused a time- and dose-dependent increase in Caco-2 TJ permeability. MMP-9 also caused an increase in myosin light-chain kinase (MLCK) gene activity, protein expression, and enzymatic activity. The pharmacological MLCK inhibition and siRNA-induced knockdown of MLCK inhibited the MMP-9-induced increase in Caco-2 TJ permeability. MMP-9 caused a rapid activation of the p38 kinase signaling pathway and inhibition of p38 kinase activity prevented the MMP-9-induced increase in MLCK gene activity and the increase in Caco-2 TJ permeability. MMP-9 also caused an increase in mouse intestinal permeability in vivo, which was accompanied by an increase in MLCK expression. The MMP-9-induced increase in mouse intestinal permeability was inhibited in MLCK-deficient mice. These data show for the first time that the MMP-9-induced increase in intestinal TJ permeability in vitro and in vivo was mediated by the p38 kinase signal transduction pathway upregulation of MLCK gene activity and that therapeutic targeting of these pathways can prevent the MMP-9-induced increase in intestinal TJ permeability. NEW & NOTEWORTHY MMP-9 is highly elevated in patients with IBD. IBD patients have compromised intestinal TJ barrier function manifested by an increase in intestinal permeability and intestinal inflammation. This study shows that MMP-9, at clinically achievable concentrations, causes an increase in intestinal TJ permeability in vitro and in vivo. In addition, a MMP-9-induced increase in intestinal TJ permeability was mediated by an increase in MLCK gene and protein expression via the p38 kinase pathway.
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Affiliation(s)
- Rana Al-Sadi
- 1Penn State Milton S. Hershey Medical Center, College of Medicine, Hershey, Pennsylvania
| | - Moustafa Youssef
- 2Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico
| | - Manmeet Rawat
- 2Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico
| | - Shuhong Guo
- 2Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico
| | - Karol Dokladny
- 2Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico
| | - Mohammad Haque
- 1Penn State Milton S. Hershey Medical Center, College of Medicine, Hershey, Pennsylvania
| | | | - Thomas Y. Ma
- 1Penn State Milton S. Hershey Medical Center, College of Medicine, Hershey, Pennsylvania,2Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, New Mexico
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Guo L, Lv J, Huang YF, Hao DJ, Liu JJ. Bioinformatics analyses of differentially expressed genes associated with spinal cord injury: A microarray-based analysis in a mouse model. Neural Regen Res 2019; 14:1262-1270. [PMID: 30804258 DOI: 10.4103/1673-5374.251335] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Gene spectrum analysis has shown that gene expression and signaling pathways change dramatically after spinal cord injury, which may affect the microenvironment of the damaged site. Microarray analysis provides a new opportunity for investigating diagnosis, treatment, and prognosis of spinal cord injury. However, differentially expressed genes are not consistent among studies, and many key genes and signaling pathways have not yet been accurately studied. GSE5296 was retrieved from the Gene Expression Omnibus DataSet. Differentially expressed genes were obtained using R/Bioconductor software (expression changed at least two-fold; P < 0.05). Database for Annotation, Visualization and Integrated Discovery was used for functional annotation of differentially expressed genes and Animal Transcription Factor Database for predicting potential transcription factors. The resulting transcription regulatory protein interaction network was mapped to screen representative genes and investigate their diagnostic and therapeutic value for disease. In total, this study identified 109 genes that were upregulated and 30 that were downregulated at 0.5, 4, and 24 hours, and 3, 7, and 28 days after spinal cord injury. The number of downregulated genes was smaller than the number of upregulated genes at each time point. Database for Annotation, Visualization and Integrated Discovery analysis found that many inflammation-related pathways were upregulated in injured spinal cord. Additionally, expression levels of these inflammation-related genes were maintained for at least 28 days. Moreover, 399 regulation modes and 77 nodes were shown in the protein-protein interaction network of upregulated differentially expressed genes. Among the 10 upregulated differentially expressed genes with the highest degrees of distribution, six genes were transcription factors. Among these transcription factors, ATF3 showed the greatest change. ATF3 was upregulated within 30 minutes, and its expression levels remained high at 28 days after spinal cord injury. These key genes screened by bioinformatics tools can be used as biological markers to diagnose diseases and provide a reference for identifying therapeutic targets.
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Affiliation(s)
- Lei Guo
- Department of Spinal Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Jing Lv
- Department of Clinical Laboratory, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Yun-Fei Huang
- Department of Spinal Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Ding-Jun Hao
- Department of Spinal Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
| | - Ji-Jun Liu
- Department of Spinal Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
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Younossi ZM, Karrar A, Pierobon M, Birerdinc A, Stepanova M, Abdelatif D, Younoszai Z, Jeffers T, Felix S, Jeiran K, Hodge A, Zhou W, Monge F, Alaparthi L, Chandhoke V, Goodman ZD, Petricoin EF. An exploratory study examining how nano-liquid chromatography-mass spectrometry and phosphoproteomics can differentiate patients with advanced fibrosis and higher percentage collagen in non-alcoholic fatty liver disease. BMC Med 2018; 16:170. [PMID: 30205811 PMCID: PMC6134795 DOI: 10.1186/s12916-018-1136-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 07/23/2018] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Non-alcoholic steatohepatitis (NASH) is among the leading causes of liver disease worldwide. It is increasingly recognized that the phenotype of NASH may involve a number of different pathways, of which each could become important therapeutic targets. The aim of this study is to use high resolution mass spectrometry (MS) and phosphoproteomics techniques to assess the serum proteome and hepatic phosphoproteome in subjects with NASH-related fibrosis. METHODS Sixty-seven biopsy-proven NAFLD subjects with frozen sera and liver tissue were included. Reverse phase protein microarray was used to quantify the phosphorylation of key signaling proteins in liver and nano-liquid chromatography (LC)-MS was used to sequence target biomarkers in the serum. An image analysis algorithm was used to quantify the percentage of collagen (% collagen) using computer-assisted morphometry. Using multiple regression models, serum proteomes and phosphorylated hepatic proteins that were independently (p ≤ 0.05) associated with advanced fibrosis (stage ≥ 2) and higher % collagen were assessed. RESULTS Phosphorylated signaling pathways in the liver revealed that apoptosis signal-regulating kinase 1, mitogen-activated protein kinase (ASK1-MAPK pathway involving ASK1 S38 (p < 0.02) and p38 MAPK (p = 0.0002)) activated by the inflammatory cytokine interleukin (IL-10) (p < 0.001), were independently associated with higher % collagen. LC-MS data revealed that serum alpha-2 macroglobulin (α2M) (p = 0.0004) and coagulation factor V (p = 0.0127) were independently associated with higher % hepatic collagen. CONCLUSIONS Simultaneous profiling of serum proteome and hepatic phosphoproteome reveals that the activation of ASK1 S38, p38 MAPK in the liver, and serum α2M and coagulation factor V are independently associated with hepatic collagen deposition in patients with NASH. These data suggest the role of these pathways in the pathogenesis of NASH-related fibrosis as a potential therapeutic target.
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Affiliation(s)
- Zobair M Younossi
- Betty and Guy Beatty Center for Integrated Research, Inova Health System, 3300 Gallows Rd., Falls Church, VA, USA. .,Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA. .,Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, VA, USA.
| | - Azza Karrar
- Betty and Guy Beatty Center for Integrated Research, Inova Health System, 3300 Gallows Rd., Falls Church, VA, USA.,Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Mariaelena Pierobon
- Center for Applied Proteomics and Molecular Medicine, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Aybike Birerdinc
- Betty and Guy Beatty Center for Integrated Research, Inova Health System, 3300 Gallows Rd., Falls Church, VA, USA
| | - Maria Stepanova
- Betty and Guy Beatty Center for Integrated Research, Inova Health System, 3300 Gallows Rd., Falls Church, VA, USA.,Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Dinan Abdelatif
- Betty and Guy Beatty Center for Integrated Research, Inova Health System, 3300 Gallows Rd., Falls Church, VA, USA.,Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Zahra Younoszai
- Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Thomas Jeffers
- Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Sean Felix
- Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Kianoush Jeiran
- Center for Applied Proteomics and Molecular Medicine, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Alex Hodge
- Center for Applied Proteomics and Molecular Medicine, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Weidong Zhou
- Center for Applied Proteomics and Molecular Medicine, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Fanny Monge
- Betty and Guy Beatty Center for Integrated Research, Inova Health System, 3300 Gallows Rd., Falls Church, VA, USA.,Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Lakshmi Alaparthi
- Betty and Guy Beatty Center for Integrated Research, Inova Health System, 3300 Gallows Rd., Falls Church, VA, USA.,Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Vikas Chandhoke
- Department of Medicine, Inova Fairfax Hospital, Falls Church, VA, USA.,Center for Applied Proteomics and Molecular Medicine, School of Systems Biology, George Mason University, Manassas, VA, USA
| | - Zachary D Goodman
- Betty and Guy Beatty Center for Integrated Research, Inova Health System, 3300 Gallows Rd., Falls Church, VA, USA.,Center for Liver Diseases, Inova Fairfax Hospital, Falls Church, VA, USA
| | - Emanuel F Petricoin
- Center for Applied Proteomics and Molecular Medicine, School of Systems Biology, George Mason University, Manassas, VA, USA
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9
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Agrawal N, Mishra P. The synthetic and therapeutic expedition of isoxazole and its analogs. Med Chem Res 2018; 27:1309-1344. [PMID: 32214770 PMCID: PMC7079875 DOI: 10.1007/s00044-018-2152-6] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 02/01/2018] [Indexed: 11/28/2022]
Abstract
Isoxazole, constituting an important family of five-membered heterocycles with one oxygen atom and one nitrogen atom at adjacent positions is of immense importance because of its wide spectrum of biological activities and therapeutic potential. It is, therefore, of prime importance that the development of new synthetic strategies and designing of new isoxazole derivatives should be based on the most recent knowledge emerging from the latest research. This review is an endeavor to highlight the progress in the chemistry and biological activity of isoxazole derivatives which could provide a low-height flying bird's eye view of isoxazole derivatives to the medicinal chemists for the development of clinically viable drugs using this information.
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Affiliation(s)
- Neetu Agrawal
- Institute of Pharmaceutical Research, GLA University, Mathura, U.P. India
| | - Pradeep Mishra
- Institute of Pharmaceutical Research, GLA University, Mathura, U.P. India
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Singh RK, Diwan M, Dastidar SG, Najmi AK. Differential effect of p38 and MK2 kinase inhibitors on the inflammatory and toxicity biomarkers in vitro. Hum Exp Toxicol 2017. [PMID: 28629242 DOI: 10.1177/0960327117715901] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
BACKGROUND Many inflammatory responses including chemotaxis, production of nitric oxide, and modulation of pro-inflammatory cytokines in immunological cells are mediated by p38MAPK. Due to its pivotal role, p38MAPK has been extensively explored as a molecular target for inhibition of chronic inflammation; however, it has not been successful so far due to serious toxicity issues. Among several downstream substrates of p38, mitogen-activated protein kinase-activated protein kinase 2 (MK2) has been reported to be a direct and essential downstream component in regulation of innate immune and inflammatory responses. Thus, in this study, we aimed to understand relative molecular differences between p38 and MK2 kinase inhibition in terms of a comparative anti-inflammatory potential along with molecular regulation of toxicity biomarkers such as Phospho c-Jun N-Terminal Kinase (pJNK), caspase-3, and hepatic enzyme levels in relevant human cells in vitro. RESULTS Both p38 and MK2 inhibitors attenuated lipopolysaccharide-induced pro-inflammatory biomarkers expression. In addition, both these kinase inhibitors inhibited release of Th1 and Th17 cytokines in phytohemagglutinin-induced cells with MK2 inhibitor showing a better potency for inhibition of Th1 cytokine release, interferon-γ. In the mechanistic differentiation studies, p38 inhibitors displayed an increase in pJNK and caspase-3 activity in U937 cells and elevation in aspartate transaminase enzyme in HepG2 cells, whereas MK2 inhibitor did not show such adverse toxic effects. CONCLUSION Taken together, inhibition of MK2 kinase can be a relatively preferred strategy as an anti-inflammatory therapy over direct inhibition of p38 kinase in p38MAPK pathway.
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Affiliation(s)
- R K Singh
- 1 Department of Pharmacology, Daiichi Sankyo India Pharma Private Limited, Gurgaon, India.,2 Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
| | - M Diwan
- 1 Department of Pharmacology, Daiichi Sankyo India Pharma Private Limited, Gurgaon, India
| | - S G Dastidar
- 1 Department of Pharmacology, Daiichi Sankyo India Pharma Private Limited, Gurgaon, India
| | - A K Najmi
- 2 Department of Pharmacology, Faculty of Pharmacy, Jamia Hamdard, New Delhi, India
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Lee CY, Shin S, Lee J, Seo HH, Lim KH, Kim H, Choi JW, Kim SW, Lee S, Lim S, Hwang KC. MicroRNA-Mediated Down-Regulation of Apoptosis Signal-Regulating Kinase 1 (ASK1) Attenuates the Apoptosis of Human Mesenchymal Stem Cells (MSCs) Transplanted into Infarcted Heart. Int J Mol Sci 2016; 17:E1752. [PMID: 27775615 PMCID: PMC5085777 DOI: 10.3390/ijms17101752] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2016] [Revised: 09/19/2016] [Accepted: 10/14/2016] [Indexed: 11/17/2022] Open
Abstract
Stem cell therapy using adult stem cells, such as mesenchymal stem cells (MSCs) has produced some promising results in treating the damaged heart. However, the low survival rate of MSCs after transplantation is still one of the crucial factors that limit the therapeutic effect of stem cells. In the damaged heart, oxidative stress due to reactive oxygen species (ROS) production can cause the death of transplanted MSCs. Apoptosis signal-regulating kinase 1 (ASK1) has been implicated in the development of oxidative stress-related pathologic conditions. Thus, we hypothesized that down-regulation of ASK1 in human MSCs (hMSCs) might attenuate the post-transplantation death of MSCs. To test this hypothesis, we screened microRNAs (miRNAs) based on a miRNA-target prediction database and empirical data and investigated the anti-apoptotic effect of selected miRNAs on human adipose-derived stem cells (hASCs) and on rat myocardial infarction (MI) models. Our data indicated that miRNA-301a most significantly suppressed ASK1 expression in hASCs. Apoptosis-related genes were significantly down-regulated in miRNA-301a-enriched hASCs exposed to hypoxic conditions. Taken together, these data show that miRNA-mediated down-regulation of ASK1 protects MSCs during post-transplantation, leading to an increase in the efficacy of MSC-based cell therapy.
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Affiliation(s)
- Chang Youn Lee
- Department of Integrated Omics for Biomedical Sciences, Yonsei University, 03722 Seoul, Korea.
| | - Sunhye Shin
- Department of Integrated Omics for Biomedical Sciences, Yonsei University, 03722 Seoul, Korea.
| | - Jiyun Lee
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University, 03722 Seoul, Korea.
| | - Hyang-Hee Seo
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University, 03722 Seoul, Korea.
| | - Kyu Hee Lim
- Department of Veterinary Medicine, Chonbuk National University, 54896 Jeonju, Korea.
| | - Hyemin Kim
- Department of Integrated Omics for Biomedical Sciences, Yonsei University, 03722 Seoul, Korea.
| | - Jung-Won Choi
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung, 25601 Gangwon-do, Korea.
| | - Sang Woo Kim
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung, 25601 Gangwon-do, Korea.
| | - Seahyung Lee
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung, 25601 Gangwon-do, Korea.
- Catholic Kwandong University, International St. Mary's Hospital, 22711 Incheon, Korea.
| | - Soyeon Lim
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung, 25601 Gangwon-do, Korea.
- Catholic Kwandong University, International St. Mary's Hospital, 22711 Incheon, Korea.
| | - Ki-Chul Hwang
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung, 25601 Gangwon-do, Korea.
- Catholic Kwandong University, International St. Mary's Hospital, 22711 Incheon, Korea.
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12
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Poojan S, Kumar S, Verma V, Dhasmana A, Lohani M, Verma MK. Disruption of Skin Stem Cell Homeostasis following Transplacental Arsenicosis; Alleviation by Combined Intake of Selenium and Curcumin. PLoS One 2015; 10:e0142818. [PMID: 26624291 PMCID: PMC4666640 DOI: 10.1371/journal.pone.0142818] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 10/27/2015] [Indexed: 01/29/2023] Open
Abstract
Of late, a consirable interest has grown in literature on early development of arsenicosis and untimely death in humans after exposure to iAs in drinking water in utero or during the childhood. The mechanism of this kind of intrauterine arsenic poisoning is not known; however it is often suggested to involve stem cells. We looked into this possibility by investigating in mice the influence of chronic in utero exposure to arsenical drinking water preliminarily on multipotent adult stem cell and progenitor cell counts at the beginning of neonatal age. We found that repeated intake of 42.5 or 85 ppm iAs in drinking water by pregnant BALB/c mice substantially changed the counts of EpASCs, the progenitor cells, and the differentiated cells in epidermis of their zero day old neonates. EpASCs counts decreased considerably and the differentiated/apoptosed cell counts increased extensively whereas the counts of progenitor cell displayed a biphasic effect. The observed trend of response was dose-dependent and statistically significant. These observations signified a disruption in stem cell homeostasis. The disorder was in parallel with changes in expression of biomarkers of stem cell and progenitor (TA) cell besides changes in expression of pro-inflammatory and antioxidant molecules namely Nrf2, NFkB, TNF-α, and GSH. The biological monitoring of exposure to iAs and the ensuing transplacental toxicity was verifiable correspondingly by the increase in iAs burden in hair, kidney, skin, liver of nulliparous female mice and the onset of chromosomal aberrations in neonate bone marrow cells. The combined intake of selenite and curcumin in utero was found to prevent the disruption of homeostasis and associated biochemical changes to a great extent. The mechanism of prevention seemed possibly to involve (a) curcumin and Keap-1 interaction, (b) consequent escalated de novo GSH biosynthesis, and (c) the resultant toxicant disposition. These observations are important with respect to the development of vulnerability to arsenicosis and other morbidities later in life after repeated in utero or postnatal exposure to iAs in drinking water that may occur speculatively through impairment of adult stem cell dependent innate tissue repair mechanism.
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Affiliation(s)
- Shiv Poojan
- Environmental Carcinogenesis Division, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, P Box 80, Lucknow-226001, India
| | - Sushil Kumar
- Environmental Carcinogenesis Division, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, P Box 80, Lucknow-226001, India
| | - Vikas Verma
- Environmental Carcinogenesis Division, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, P Box 80, Lucknow-226001, India
| | - Anupam Dhasmana
- Environmental Carcinogenesis & Toxicoinformatics Laboratory, Department of Bioengineering, Integral University, Lucknow-226026, India
| | - Mohtashim Lohani
- Environmental Carcinogenesis & Toxicoinformatics Laboratory, Department of Biosciences, Integral University, Lucknow-226026, India
| | - Mukesh K. Verma
- Environmental Carcinogenesis Division, CSIR-Indian Institute of Toxicology Research, Mahatma Gandhi Marg, P Box 80, Lucknow-226001, India
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13
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Liu C, Lin J, Hynes J, Wu H, Wrobleski ST, Lin S, Dhar TGM, Vrudhula VM, Sun JH, Chao S, Zhao R, Wang B, Chen BC, Everlof G, Gesenberg C, Zhang H, Marathe PH, McIntyre KW, Taylor TL, Gillooly K, Shuster DJ, McKinnon M, Dodd JH, Barrish JC, Schieven GL, Leftheris K. Discovery of ((4-(5-(Cyclopropylcarbamoyl)-2-methylphenylamino)-5-methylpyrrolo[1,2-f][1,2,4]triazine-6-carbonyl)(propyl)carbamoyloxy)methyl-2-(4-(phosphonooxy)phenyl)acetate (BMS-751324), a Clinical Prodrug of p38α MAP Kinase Inhibitor. J Med Chem 2015; 58:7775-84. [PMID: 26359680 DOI: 10.1021/acs.jmedchem.5b00839] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In search for prodrugs to address the issue of pH-dependent solubility and exposure associated with 1 (BMS-582949), a previously disclosed phase II clinical p38α MAP kinase inhibitor, a structurally novel clinical prodrug, 2 (BMS-751324), featuring a carbamoylmethylene linked promoiety containing hydroxyphenyl acetic acid (HPA) derived ester and phosphate functionalities, was identified. Prodrug 2 was not only stable but also water-soluble under both acidic and neutral conditions. It was effectively bioconverted into parent drug 1 in vivo by alkaline phosphatase and esterase in a stepwise manner, providing higher exposure of 1 compared to its direct administration, especially within higher dose ranges. In a rat LPS-induced TNFα pharmacodynamic model and a rat adjuvant arthritis model, 2 demonstrated similar efficacy to 1. Most importantly, it was shown in clinical studies that prodrug 2 was indeed effective in addressing the pH-dependent absorption issue associated with 1.
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Affiliation(s)
- Chunjian Liu
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - James Lin
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - John Hynes
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Hong Wu
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Stephen T Wrobleski
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Shuqun Lin
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - T G Murali Dhar
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Vivekananda M Vrudhula
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Jung-Hui Sun
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Sam Chao
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Rulin Zhao
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Bei Wang
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Bang-Chi Chen
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Gerry Everlof
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Christoph Gesenberg
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Hongjian Zhang
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Punit H Marathe
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Kim W McIntyre
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Tracy L Taylor
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Kathleen Gillooly
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - David J Shuster
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Murray McKinnon
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - John H Dodd
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Joel C Barrish
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Gary L Schieven
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
| | - Katerina Leftheris
- Research and Development, Bristol-Myers Squibb , Princeton, New Jersey 08543, United States
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14
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Design, Synthesis and Biological Evaluation of Novel Substituted N,N'-Diaryl ureas as Potent p38 Inhibitors. Molecules 2015; 20:16604-19. [PMID: 26378516 PMCID: PMC6332430 DOI: 10.3390/molecules200916604] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 09/07/2015] [Accepted: 09/09/2015] [Indexed: 11/16/2022] Open
Abstract
A novel series of substituted N,N'-diaryl ureas that act as p38α inhibitors have been designed and synthesized based on two key residues (Gly110 and Thr106) that are different in p38α MAPK than in other kinases. Preliminary biological evaluation indicated that most compounds possessed good p38α inhibitory potencies. Among these compounds, 9g appeared to be the most powerful and is the main compound that we will study in the future.
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15
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Su N, Zhang C, Zhang Y, Wang Z, Fan F, Zhao M, Wu F, Gao Y, Li Y, Chen L, Tian M, Zhang T, Wen B, Sensang N, Xiong Z, Wu S, Liu S, Yang P, Zhen B, Zhu Y, He F, Xu P. Special Enrichment Strategies Greatly Increase the Efficiency of Missing Proteins Identification from Regular Proteome Samples. J Proteome Res 2015; 14:3680-92. [DOI: 10.1021/acs.jproteome.5b00481] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Na Su
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Chengpu Zhang
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Yao Zhang
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
- Institute
of Microbiology, Chinese Academy of Science, Beijing 100101, China
| | - Zhiqiang Wang
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
- Key
Laboratory of Combinatorial Biosynthesis and Drug Discovery (Wuhan
University), Ministry of Education , and Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
| | - Fengxu Fan
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
- Anhui Medical University, Hefei 230032, Anhui China
| | - Mingzhi Zhao
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Feilin Wu
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
- Life
Science College, Southwest Forestry University, Kunming 650224, China
| | - Yuan Gao
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Yanchang Li
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Lingsheng Chen
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
- State Key
Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangxi University, Nanning 530005, China
| | - Miaomiao Tian
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Tao Zhang
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Bo Wen
- BGI-Shenzhen, Shenzhen 518083, China
| | - Na Sensang
- Inner Mongolia Medical University, Hohhot 010110, Inner Mongolia China
| | - Zhi Xiong
- Life
Science College, Southwest Forestry University, Kunming 650224, China
| | - Songfeng Wu
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Siqi Liu
- BGI-Shenzhen, Shenzhen 518083, China
| | - Pengyuan Yang
- Institute
of Biomedical Sciences, Department of Chemistry, and Zhongshan Hospital, Fudan University, 130 DongAn Road, Shanghai 200032, China
| | - Bei Zhen
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Yunping Zhu
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Fuchu He
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
| | - Ping Xu
- State
Key Laboratory of Proteomics, Beijing Proteome Research Center, National
Engineering Research Center for Protein Drugs, National Center for
Protein Sciences, Beijing Institute of Radiation Medicine, Beijing 102206, China
- Key
Laboratory of Combinatorial Biosynthesis and Drug Discovery (Wuhan
University), Ministry of Education , and Wuhan University School of Pharmaceutical Sciences, Wuhan 430071, China
- Anhui Medical University, Hefei 230032, Anhui China
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16
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Heo J, Shin H, Lee J, Kim T, Inn KS, Kim NJ. Synthesis and biological evaluation of N-cyclopropylbenzamide-benzophenone hybrids as novel and selective p38 mitogen activated protein kinase (MAPK) inhibitors. Bioorg Med Chem Lett 2015; 25:3694-8. [PMID: 26115577 DOI: 10.1016/j.bmcl.2015.06.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 05/19/2015] [Accepted: 06/10/2015] [Indexed: 11/25/2022]
Abstract
A series of hybrid molecules consisting of benzophenones and N-cyclopropyl-3-methylbenzamides were synthesized and biologically evaluated as novel p38 mitogen activated protein kinase (MAPK) inhibitors. In particular, we found that compound 10g displayed potent p38α MAPK inhibitory activity (IC50=0.027 μM), high kinase selectivity, and significant anti-inflammatory activity in THP-1 monocyte cells.
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Affiliation(s)
- Jinyuk Heo
- Department of Pharmacy, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea
| | - Hanbo Shin
- Department of Pharmaceutical Science, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea
| | - Jun Lee
- Department of Pharmacy, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea
| | - Taelim Kim
- Department of Pharmacy, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea
| | - Kyung-Soo Inn
- Department of Pharmaceutical Science, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea.
| | - Nam-Jung Kim
- Department of Pharmacy, College of Pharmacy, Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul 130-701, Republic of Korea.
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17
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Astolfi A, Iraci N, Manfroni G, Barreca ML, Cecchetti V. A Comprehensive Structural Overview of p38α MAPK in Complex with Type I Inhibitors. ChemMedChem 2015; 10:957-69. [PMID: 26012502 DOI: 10.1002/cmdc.201500030] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Revised: 03/05/2015] [Indexed: 12/12/2022]
Abstract
p38α mitogen-activated protein kinase (MAPK) is a well-recognized therapeutic target for the treatment of autoimmune and inflammatory diseases. Over the past two decades, tremendous efforts have been focused on the discovery and development of small-molecule p38α MAPK inhibitors, although currently no drugs targeting this protein are clinically available. Therefore, the identification of novel chemotypes that are able to inhibit p38α MAPK function is still of great therapeutic significance. With the objective to support drug discovery programs aimed at identifying new immunomodulators acting on p38α MAPK, herein we present a complete overview of the available crystal structures of this protein in complex with ATP-site type I inhibitors. The 85 available complexes are classified by chemotype and experimental binding mode, and the ligand-protein interactions are discussed using the most representative inhibitors. The type and frequency of key inhibitor features are analyzed to give a final summary of the chemical requirements of promising p38α MAPK inhibitors. The proposed pharmacophore can be exploited to enhance the opportunities to identify novel type I inhibitors of p38α MAPK.
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Affiliation(s)
- Andrea Astolfi
- Department of Pharmaceutical Sciences, University of Perugia, Via A. Fabretti 48, 06123 Perugia (Italy)
| | - Nunzio Iraci
- Department of Pharmaceutical Sciences, University of Perugia, Via A. Fabretti 48, 06123 Perugia (Italy)
| | - Giuseppe Manfroni
- Department of Pharmaceutical Sciences, University of Perugia, Via A. Fabretti 48, 06123 Perugia (Italy)
| | - Maria Letizia Barreca
- Department of Pharmaceutical Sciences, University of Perugia, Via A. Fabretti 48, 06123 Perugia (Italy).
| | - Violetta Cecchetti
- Department of Pharmaceutical Sciences, University of Perugia, Via A. Fabretti 48, 06123 Perugia (Italy)
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18
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Impeding the interaction between Nur77 and p38 reduces LPS-induced inflammation. Nat Chem Biol 2015; 11:339-46. [PMID: 25822914 DOI: 10.1038/nchembio.1788] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 03/02/2015] [Indexed: 01/10/2023]
Abstract
Sepsis, a hyperinflammatory response that can result in multiple organ dysfunctions, is a leading cause of mortality from infection. Here, we show that orphan nuclear receptor Nur77 (also known as TR3) can enhance resistance to lipopolysaccharide (LPS)-induced sepsis in mice by inhibiting NF-κB activity and suppressing aberrant cytokine production. Nur77 directly associates with p65 to block its binding to the κB element. However, this function of Nur77 is countered by the LPS-activated p38α phosphorylation of Nur77. Dampening the interaction between Nur77 and p38α would favor Nur77 suppression of the hyperinflammatory response. A compound, n-pentyl 2-[3,5-dihydroxy-2-(1-nonanoyl) phenyl]acetate, screened from a Nur77-biased library, blocked the Nur77-p38α interaction by targeting the ligand-binding domain of Nur77 and restored the suppression of the hyperinflammatory response through Nur77 inhibition of NF-κB. This study associates the nuclear receptor with immune homeostasis and implicates a new therapeutic strategy to treat hyperinflammatory responses by targeting a p38α substrate to modulate p38α-regulated functions.
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19
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Abstract
Osteolytic bone destruction is a hallmark of bone-metastatic cancers. Current therapy is unable to completely cure or prevent this disease in patients. The p38 mitogen-activated protein kinase (MAPK) affects a diverse range of intracellular responses with well-known roles in development, cell-cycle and differentiation, inflammation, apoptosis, senescence, and tumorigenesis. This article is an overview of the contribution of tumor cell-expressed p38 MAPK to the regulation of osteoclastogenesis, osteoblastogenesis, and osteolyticbone lesions.
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Affiliation(s)
- Huan Liu
- Department of Lymphoma and Myeloma, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Jin He
- Department of Lymphoma and Myeloma, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA
| | - Jing Yang
- Department of Lymphoma and Myeloma, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA ; Cancer Research Institution, Guangzhou Medical University, Guangzhou, China
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20
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Kumar A, Baycin-Hizal D, Shiloach J, Bowen MA, Betenbaugh MJ. Coupling enrichment methods with proteomics for understanding and treating disease. Proteomics Clin Appl 2015; 9:33-47. [PMID: 25523641 DOI: 10.1002/prca.201400097] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 11/12/2014] [Accepted: 12/15/2014] [Indexed: 12/17/2022]
Abstract
Owing to recent advances in proteomics analytical methods and bioinformatics capabilities there is a growing trend toward using these capabilities for the development of drugs to treat human disease, including target and drug evaluation, understanding mechanisms of drug action, and biomarker discovery. Currently, the genetic sequences of many major organisms are available, which have helped greatly in characterizing proteomes in model animal systems and humans. Through proteomics, global profiles of different disease states can be characterized (e.g. changes in types and relative levels as well as changes in PTMs such as glycosylation or phosphorylation). Although intracellular proteomics can provide a broad overview of physiology of cells and tissues, it has been difficult to quantify the low abundance proteins which can be important for understanding the diseased states and treatment progression. For this reason, there is increasing interest in coupling comparative proteomics methods with subcellular fractionation and enrichment techniques for membranes, nucleus, phosphoproteome, glycoproteome as well as low abundance serum proteins. In this review, we will provide examples of where the utilization of different proteomics-coupled enrichment techniques has aided target and biomarker discovery, understanding the drug targeting mechanism, and mAb discovery. Taken together, these improvements will help to provide a better understanding of the pathophysiology of various diseases including cancer, autoimmunity, inflammation, cardiovascular disease, and neurological conditions, and in the design and development of better medicines for treating these afflictions.
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Affiliation(s)
- Amit Kumar
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA; Antibody Discovery and Protein Engineering, MedImmune LLC, One MedImmune Way, Gaithersburg, MD, USA; Biotechnology Core Laboratory, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
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21
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El-Gokha A, Laufer SA, Koch P. An optimized and versatile synthesis to pyridinylimidazole-type p38α mitogen activated protein kinase inhibitors. Org Biomol Chem 2015; 13:10699-704. [DOI: 10.1039/c5ob01505g] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An optimized and diverse synthetic approach for the preparation of potent pyridinylimidazole-based p38α MAP kinase inhibitors is reported.
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Affiliation(s)
- Ahmed El-Gokha
- Institute of Pharmaceutical Sciences
- Department of Medicinal and Pharmaceutical Chemistry
- Eberhard Karls Universität Tübingen
- 72076 Tübingen
- Germany
| | - Stefan A. Laufer
- Institute of Pharmaceutical Sciences
- Chair for Medicinal and Pharmaceutical Chemistry
- Eberhard Karls Universität Tübingen
- 72076 Tübingen
- Germany
| | - Pierre Koch
- Institute of Pharmaceutical Sciences
- Department of Medicinal and Pharmaceutical Chemistry
- Eberhard Karls Universität Tübingen
- 72076 Tübingen
- Germany
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22
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Abstract
The c-Jun N-terminal kinases (JNKs) are serine/threonine kinases implicated in the pathogenesis of various diseases. Recent advances in the development of novel inhibitors of JNKs will be reviewed. Significant progress in the design of JNK inhibitors displaying selectivity versus other kinases has been achieved within the past 4 years. However, the development of isoform selective JNK inhibitors is still an open task.
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Affiliation(s)
- Pierre Koch
- Department of Pharmaceutical and Medicinal Chemistry, Institute of Pharmaceutical Sciences, Eberhard Karls Universität Tübingen , Auf der Morgenstelle 8, 72076 Tübingen, Germany
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Gadhe CG, Balupuri A, Kothandan G, Cho SJ. Theoretical Characterization of Binding Mode of Organosilicon Inhibitor with p38: Docking, MD Simulation and MM/GBSA Free Energy Approach. B KOREAN CHEM SOC 2014. [DOI: 10.5012/bkcs.2014.35.8.2494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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24
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Rajashekhar G, Shivanna M, Kompella UB, Wang Y, Srinivas SP. Role of MMP-9 in the breakdown of barrier integrity of the corneal endothelium in response to TNF-α. Exp Eye Res 2014; 122:77-85. [DOI: 10.1016/j.exer.2014.03.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 03/12/2014] [Accepted: 03/14/2014] [Indexed: 01/11/2023]
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25
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Hilmy KMH, Soliman DH, Shahin EBA, El-Deeb HS, El-Kousy SM. Design, synthesis and evaluation of novel diaryl pyrrolopyrimidine and pyrrolothiazine derivatives as inhibitors of tumor necrosis factor stimulated gene-14 (TSG-14) production. Eur J Med Chem 2014; 78:419-24. [PMID: 24704614 DOI: 10.1016/j.ejmech.2014.03.068] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2013] [Revised: 03/05/2014] [Accepted: 03/23/2014] [Indexed: 10/25/2022]
Abstract
A novel series of pyrrolothiazines 2-4 and pyrrolopyrimidines 5-7 have been synthesized. The structures of these compounds were established by spectroscopic and element microanalytical data. The newly synthesized compounds were evaluated as inhibitors of TSG-14. The most effective results were obtained by the S-sec-butyl derivatives 6e (80%) and the N-ethyl derivatives 4e (70%).
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Affiliation(s)
- Khalid M H Hilmy
- Department of Chemistry, Faculty of Science, Monufyia University, Shebin El-Kom, Egypt.
| | - Dalia H Soliman
- Pharmaceutical Chemistry Department, Faculty of Pharmacy (Girls), Al-Azhar University, Cairo, Egypt
| | - Esmat B A Shahin
- Department of Biochemistry, Faculty of Medicine (Girls), Al-Azhar University, Cairo, Egypt
| | - Hala S El-Deeb
- Department of Chemistry, Faculty of Science, Monufyia University, Shebin El-Kom, Egypt
| | - Salah M El-Kousy
- Department of Chemistry, Faculty of Science, Monufyia University, Shebin El-Kom, Egypt
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Zhuanggu Jianxi Decoction () limits interleukin-1 β-induced degeneration chondrocytes via the caveolin-p38 MAPK signal pathway. Chin J Integr Med 2014; 20:353-9. [PMID: 24481743 DOI: 10.1007/s11655-014-1801-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2013] [Indexed: 10/25/2022]
Abstract
OBJECTIVE To evaluate the effect of Zhuanggu Jianxi Decoction (, ZGJXD) on interleukin-1 β (IL-1 β)-induced degeneration of chondrocytes (CDs) as well as the activation of caveolin-p38 mitogen-activated protein kinase (MAPK) signal pathway, investigating the possible molecular mechanism that ZGJXD treats osteoarthritis. METHODS Serum pharmacology was applied in the present study, where ZGJXD was orally administrated to New Zealand rabbits and then ZGJXD containing serum (ZGJXD-S) was collected for following in vitro experiments. CDs were isolated aseptically from New Zealand rabbits and then cultured in vitro. Upon IL-1 β stimulation, the degeneration of CDs was verified by inverted microscope, toluidine blue stain and type II collagen immunocytochemistry. After IL-1 β-stimulated CDs were intervened with blank control serum, ZGJXD-S, together with or without SB203580 (a specific inhibitor of p38 MAPK) for 48 h, caveolin-1 protein expression and the phosphorylation level of p38 were determined by Western blotting, and the mRNA expression of IL-1 β, tumor necrosis factor α (TNF-α), matrix metalloproteinase 3 (MMP-3) and MMP-13 were examined by real-time polymerase chain reaction. RESULTS IL-1 β stimulation induced degeneration of CDs, increased caveolin-1 expression and p38 phosphorylation, up-regulated the mRNA level of IL-1 β, TNF-α, MMP-3 and MMP-13. However, the IL-1 β-induced activation of caveolin-p38 signaling and alteration in the expression of p38 downstream target genes were suppressed by ZGJXD-S and/or SB203580 in CDs. CONCLUSION ZGJXD can prevent CDs degeneration via inhibition of caveolin-p38 MAPK signal pathway, which might be one of the mechanisms that ZGJXD treats osteoarthritis.
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Vandomme J, Touil Y, Ostyn P, Olejnik C, Flamenco P, El Machhour R, Segard P, Masselot B, Bailliez Y, Formstecher P, Polakowska R. Insulin-like growth factor 1 receptor and p38 mitogen-activated protein kinase signals inversely regulate signal transducer and activator of transcription 3 activity to control human dental pulp stem cell quiescence, propagation, and differentiation. Stem Cells Dev 2014; 23:839-51. [PMID: 24266654 DOI: 10.1089/scd.2013.0400] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Dental pulp stem cells (DPSCs) remain quiescent until activated in response to severe dental pulp damage. Once activated, they exit quiescence and enter regenerative odontogenesis, producing reparative dentin. The factors and signaling molecules that control the quiescence/activation and commitment to differentiation of human DPSCs are not known. In this study, we determined that the inhibition of insulin-like growth factor 1 receptor (IGF-1R) and p38 mitogen-activated protein kinase (p38 MAPK) signaling commonly activates DPSCs and promotes their exit from the G0 phase of the cell cycle as well as from the pyronin Y(low) stem cell compartment. The inhibition of these two pathways, however, inversely determines DPSC fate. In contrast to p38 MAPK inhibitors, IGF-1R inhibitors enhance dental pulp cell sphere-forming capacity and reduce the cells' colony-forming capacity without inducing cell death. The inverse cellular changes initiated by IGF-1R and p38 MAPK inhibitors were accompanied by inverse changes in the levels of active signal transducer and activator of transcription 3 (STAT3) factor, inactive glycogen synthase kinase 3, and matrix extracellular phosphoglycoprotein, a marker of early odontoblast differentiation. Our data suggest that there is cross talk between the IGF-1R and p38 MAPK signaling pathways in DPSCs and that the signals provided by these pathways converge at STAT3 and inversely regulate its activity to maintain quiescence or to promote self-renewal and differentiation of the cells. We propose a working model that explains the possible interactions between IGF-1R and p38 MAPK at the molecular level and describes the cellular consequences of these interactions. This model may inspire further fundamental study and stimulate research on the clinical applications of DPSC in cellular therapy and tissue regeneration.
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Affiliation(s)
- Jerome Vandomme
- 1 Inserm U837 Jean-Pierre Aubert Research Center, Institut pour la Recherche sur le Cancer de Lille (IRCL) , Lille, France
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Storch K, Gehringer M, Baur B, Laufer SA. Metabolism of a novel skepinone l-like p38 mitogen-activated protein kinase inhibitor. MEDCHEMCOMM 2014. [DOI: 10.1039/c4md00106k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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29
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Akama T, Dong C, Virtucio C, Freund YR, Chen D, Orr MD, Jacobs RT, Zhang YK, Hernandez V, Liu Y, Wu A, Bu W, Liu L, Jarnagin K, Plattner JJ. Discovery and structure–activity relationships of 6-(benzoylamino)benzoxaboroles as orally active anti-inflammatory agents. Bioorg Med Chem Lett 2013; 23:5870-3. [DOI: 10.1016/j.bmcl.2013.08.096] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 08/21/2013] [Accepted: 08/26/2013] [Indexed: 01/08/2023]
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30
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Dapper JD, Crish SD, Pang IH, Calkins DJ. Proximal inhibition of p38 MAPK stress signaling prevents distal axonopathy. Neurobiol Dis 2013; 59:26-37. [PMID: 23859799 DOI: 10.1016/j.nbd.2013.07.001] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2013] [Accepted: 07/04/2013] [Indexed: 12/21/2022] Open
Abstract
The p38 mitogen-activated protein kinase (MAPK) isoforms are phosphorylated by a variety of stress stimuli in neurodegenerative disease and act as upstream activators of myriad pathogenic processes. Thus, p38 MAPK inhibitors are of growing interest as possible therapeutic interventions. Axonal dysfunction is an early component of most neurodegenerative disorders, including the most prevalent optic neuropathy, glaucoma. Sensitivity to intraocular pressure at an early stage disrupts anterograde transport along retinal ganglion cell (RGC) axons to projection targets in the brain with subsequent degeneration of the axons themselves; RGC body loss is much later. Here we show that elevated ocular pressure in rats increases p38 MAPK activation in retina, especially in RGC bodies. Topical eye-drop application of a potent and selective inhibitor of the p38 MAPK catalytic domain (Ro3206145) prevented both the degradation of anterograde transport to the brain and degeneration of axons in the optic nerve. Ro3206145 reduced in the retina phosphorylation of tau and heat-shock protein 27, both down-stream targets of p38 MAPK activation implicated in glaucoma, as well as expression of two inflammatory responses. We also observed increased p38 MAPK activation in mouse models. Thus, inhibition of p38 MAPK signaling in the retina may represent a therapeutic target for preventing early pathogenesis in optic neuropathies.
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Affiliation(s)
- Jason D Dapper
- The Vanderbilt Eye Institute, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
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31
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Akama T, Virtucio C, Dong C, Kimura R, Zhang YK, Nieman JA, Sharma R, Lu X, Sales M, Singh R, Wu A, Fan XQ, Liu L, Plattner JJ, Jarnagin K, Freund YR. Structure–activity relationships of 6-(aminomethylphenoxy)-benzoxaborole derivatives as anti-inflammatory agent. Bioorg Med Chem Lett 2013; 23:1680-3. [DOI: 10.1016/j.bmcl.2013.01.072] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Revised: 01/12/2013] [Accepted: 01/16/2013] [Indexed: 10/27/2022]
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32
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Shiromizu T, Adachi J, Watanabe S, Murakami T, Kuga T, Muraoka S, Tomonaga T. Identification of missing proteins in the neXtProt database and unregistered phosphopeptides in the PhosphoSitePlus database as part of the Chromosome-centric Human Proteome Project. J Proteome Res 2013; 12:2414-21. [PMID: 23312004 DOI: 10.1021/pr300825v] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Chromosome-Centric Human Proteome Project (C-HPP) is an international effort for creating an annotated proteomic catalog for each chromosome. The first step of the C-HPP project is to find evidence of expression of all proteins encoded on each chromosome. C-HPP also prioritizes particular protein subsets, such as those with post-translational modifications (PTMs) and those found in low abundance. As participants in C-HPP, we integrated proteomic and phosphoproteomic analysis results from chromosome-independent biomarker discovery research to create a chromosome-based list of proteins and phosphorylation sites. Data were integrated from five independent colorectal cancer (CRC) samples (three types of clinical tissue and two types of cell lines) and lead to the identification of 11,278 proteins, including 8,305 phosphoproteins and 28,205 phosphorylation sites; all of these were categorized on a chromosome-by-chromosome basis. In total, 3,033 "missing proteins", i.e., proteins that currently lack evidence by mass spectrometry, in the neXtProt database and 12,852 unknown phosphorylation sites not registered in the PhosphoSitePlus database were identified. Our in-depth phosphoproteomic study represents a significant contribution to C-HPP. The mass spectrometry proteomics data have been deposited to the ProteomeXchange Consortium with the data set identifier PXD000089.
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Affiliation(s)
- Takashi Shiromizu
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Ibaraki, Osaka, Japan
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33
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Chen G, Liu Z, Zhang Y, Shan X, Jiang L, Zhao Y, He W, Feng Z, Yang S, Liang G. Synthesis and Anti-inflammatory Evaluation of Novel Benzimidazole and Imidazopyridine Derivatives. ACS Med Chem Lett 2013; 4:69-74. [PMID: 24900565 DOI: 10.1021/ml300282t] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2012] [Accepted: 11/21/2012] [Indexed: 01/17/2023] Open
Abstract
Sepsis, an acute inflammatory disease, remains the most common cause of death in intensive care units. A series of benzimidazole and imidazopyridine derivatives were synthesized and screened for anti-inflammatory activities, and the imidazopyridine series showed excellent inhibition of the expression of inflammatory cytokines in LPS-stimulated macrophages. Compounds X10, X12, X13, X14, and X15 inhibited TNF-α and IL-6 release in a dose-dependent manner, and X12 showed no cytotoxicity in hepatic cells. Furthermore, X12 exhibited a significant protection against LPS-induced septic death in mouse models. Together, these data present a series of new imidazopyridines with potential therapeutic effects in acute inflammatory diseases.
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Affiliation(s)
- Gaozhi Chen
- School of Pharmacy, Wenzhou Medical College, 1210 University Town, Wenzhou, Zhejiang 325035,
China
| | - Zhiguo Liu
- School of Pharmacy, Wenzhou Medical College, 1210 University Town, Wenzhou, Zhejiang 325035,
China
| | - Yali Zhang
- School of Environmental
and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei St., Nanjing, Jiangsu
210094, China
| | - Xiaoou Shan
- Department
of Pediatrics, The Second Affiliated Hospital, Wenzhou Medical College, Wenzhou, Zhejiang 325035, China
| | - Lili Jiang
- Department
of Pediatrics, The Second Affiliated Hospital, Wenzhou Medical College, Wenzhou, Zhejiang 325035, China
| | - Yunjie Zhao
- School of Pharmacy, Wenzhou Medical College, 1210 University Town, Wenzhou, Zhejiang 325035,
China
| | - Wenfei He
- School of Pharmacy, Wenzhou Medical College, 1210 University Town, Wenzhou, Zhejiang 325035,
China
| | - Zhiguo Feng
- School of Pharmacy, Wenzhou Medical College, 1210 University Town, Wenzhou, Zhejiang 325035,
China
| | - Shulin Yang
- School of Environmental
and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei St., Nanjing, Jiangsu
210094, China
| | - Guang Liang
- School of Pharmacy, Wenzhou Medical College, 1210 University Town, Wenzhou, Zhejiang 325035,
China
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Narumi R, Murakami T, Kuga T, Adachi J, Shiromizu T, Muraoka S, Kume H, Kodera Y, Matsumoto M, Nakayama K, Miyamoto Y, Ishitobi M, Inaji H, Kato K, Tomonaga T. A Strategy for Large-Scale Phosphoproteomics and SRM-Based Validation of Human Breast Cancer Tissue Samples. J Proteome Res 2012; 11:5311-22. [DOI: 10.1021/pr3005474] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ryohei Narumi
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Osaka,
Japan
| | - Tatsuo Murakami
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Osaka,
Japan
| | - Takahisa Kuga
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Osaka,
Japan
| | - Jun Adachi
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Osaka,
Japan
| | - Takashi Shiromizu
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Osaka,
Japan
| | - Satoshi Muraoka
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Osaka,
Japan
| | - Hideaki Kume
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Osaka,
Japan
| | - Yoshio Kodera
- Laboratory of Biomolecular Dynamics, Department of Physics, Kitasato University School of Science, Kanagawa, Japan
- Clinical Proteomics Research Center, Chiba University Hospital, Chiba, Japan
| | - Masaki Matsumoto
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University Fukuoka, Japan
| | - Keiichi Nakayama
- Department of Molecular and Cellular Biology, Medical Institute of Bioregulation, Kyushu University Fukuoka, Japan
| | - Yasuhide Miyamoto
- Department of Immunology, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - Makoto Ishitobi
- Department
of Breast and Endocrine Surgery, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - Hideo Inaji
- Department
of Breast and Endocrine Surgery, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - Kikuya Kato
- Research Institute, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan
| | - Takeshi Tomonaga
- Laboratory of Proteome Research, National Institute of Biomedical Innovation, Osaka,
Japan
- Clinical Proteomics Research Center, Chiba University Hospital, Chiba, Japan
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Brown DS, Cumming JG, Bethel P, Finlayson J, Gerhardt S, Nash I, Pauptit RA, Pike KG, Reid A, Snelson W, Swallow S, Thompson C. The discovery of N-cyclopropyl-4-methyl-3-[6-(4-methylpiperazin-1-yl)-4-oxoquinazolin-3(4H)-yl]benzamide (AZD6703), a clinical p38α MAP kinase inhibitor for the treatment of inflammatory diseases. Bioorg Med Chem Lett 2012; 22:3879-83. [DOI: 10.1016/j.bmcl.2012.04.116] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2012] [Revised: 04/25/2012] [Accepted: 04/27/2012] [Indexed: 11/27/2022]
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Vinh NB, Simpson JS, Scammells PJ, Chalmers DK. Virtual screening using a conformationally flexible target protein: models for ligand binding to p38α MAPK. J Comput Aided Mol Des 2012; 26:409-23. [PMID: 22527960 DOI: 10.1007/s10822-012-9569-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Accepted: 03/26/2012] [Indexed: 12/25/2022]
Abstract
We have used virtual screening to develop models for the binding of aryl substituted heterocycles to p38α MAPK. Virtual screening was conducted on a number of p38α MAPK crystal structures using a library of 46 known p38α MAPK inhibitors containing a heterocyclic core substituted by pyridine and fluorophenyl rings (structurally related to SB203580) and a set of decoy compounds. Multiple protonation states and tautomers of active and decoy compounds were considered. Each docking model was evaluated using receiver operating characteristic (ROC) curves and enrichment factors. The two best performing single crystal structures were found to be 1BL7 and 2EWA, with enrichment factors of 14.1 and 13.0 at 2% of the virtual screen respectively. Ensembles of up to four receptors of similar conformations were generated, generally giving good or very good performances with high ROC AUCs and good enrichment. The 1BL7-2EWA ensemble was able to outperform each of its constituent receptors and gave high enrichment factors of 17.3, 12.0, 8.0 at 2, 5 and 10% respectively, of the virtual screen. A ROC AUC of 0.94 was obtained for this ensemble. This method may be applied to other proteins where there are a large number of inhibitor classes with different binding site conformations.
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Affiliation(s)
- Natalie B Vinh
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University (Parkville Campus), 381 Royal Parade, Parkville, VIC, 3052, Australia
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Lv X, Tan J, Liu D, Wu P, Cui X. Intratracheal administration of p38α short-hairpin RNA plasmid ameliorates lung ischemia-reperfusion injury in rats. J Heart Lung Transplant 2012; 31:655-62. [PMID: 22503847 DOI: 10.1016/j.healun.2012.03.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2011] [Revised: 02/09/2012] [Accepted: 03/13/2012] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Lung ischemia-reperfusion injury (LIRI) remains a significant problem after lung transplantation. A crucial signaling enzyme involved in inflammation and apoptosis during LIRI is p38 mitogen-activated protein kinase (MAPK). Gene silencing of p38α by short hairpin RNA (shRNA) can downregulate p38α expression. The lungs have an extremely large surface area, which makes the absorption of shRNA highly effective. Therefore, we evaluated the therapeutic efficacy of p38α shRNA plasmids in a rat model of lung transplantation. METHODS The delivery of p38α shRNA plasmid was performed by intratracheal administration 48 hours before transplantation into donor rats. Control animals received scrambled shRNA plasmids. Reverse-transcription polymerase chain reaction and Western blots were used to assess gene silencing efficacy. The therapeutic effects of shRNA plasmids were evaluated by lung function tests. We determined the levels of inflammatory cytokines, the level of intercellular adhesion molecule 1 (ICAM-1), c-Myc mRNA expression, and ICAM-1 protein expression, and the presence of cell apoptosis. RESULTS Rats administered p38α shRNA plasmids showed a significant downregulation in lung expression of p38α transcripts and protein levels. Compared with the control group, the p38α shRNA group showed a higher pulmonary vein oxygen level, lower wet weight-to-dry weight ratio, lower lung injury score, and lower serum levels of tumor necrosis factor-α, interleukin-6, and interleukin-8. Messenger RNA levels of ICAM-1 and c-Myc in the p38α shRNA group were dramatically lower than in the control group. Levels of ICAM-1 protein expression exhibited a similar trend. Cell apoptosis decreased in the p38α shRNA group vs the control group. CONCLUSION Intratracheal administration of p38α shRNA plasmids provided therapeutic effects in a rat model of lung transplantation.
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Affiliation(s)
- Xiangqi Lv
- Department of Anesthesiology, Hei Long Jiang Province Key Lab of Research on Anesthesiology and Critical Care Medicine, and Second Affiliated Hospital, Harbin Medical University, Harbin, China
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Abu Thaher B, Koch P, Schollmeyer D, Laufer S. 4-[5-Amino-4-(4-fluoro-phen-yl)-3-(pyridin-4-yl)-1H-pyrazol-1-yl]benzo-nitrile. Acta Crystallogr Sect E Struct Rep Online 2012; 68:o935. [PMID: 22589998 PMCID: PMC3343917 DOI: 10.1107/s160053681200877x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2012] [Accepted: 02/27/2012] [Indexed: 11/21/2022]
Abstract
In the crystal structure of the title compound, C21H14FN5, the pyrazole ring forms dihedral angles of 38.0 (1), 40.0 (1) and 28.5 (1)° with the directly attached 4-fluorophenyl, pyridine and benzonitrile rings, respectively. The crystal packing is characterized by N—H⋯N hydrogen bonds, which result in a two-dimensional network parallel to the ac-plane.
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Abu Thaher B, Koch P, Schollmeyer D, Laufer S. 4-(4-Fluoro-phen-yl)-1-phenyl-3-(pyridin-4-yl)-1H-pyrazol-5-amine. Acta Crystallogr Sect E Struct Rep Online 2012; 68:o632. [PMID: 22412537 PMCID: PMC3295426 DOI: 10.1107/s1600536812004096] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 01/31/2012] [Indexed: 11/20/2022]
Abstract
In the title compound, C20H15FN4, the pyrazole ring forms dihedral angles of 43.51 (6), 39.95 (6) and 32.23 (6)° with the directly attached 4-fluorophenyl, pyridine and phenyl rings, respectively. The crystal packing is stabilized by intermolecular N—H⋯N and N—H⋯F hydrogen bonds.
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Abu Thaher B, Koch P, Schollmeyer D, Laufer S. 4-(4-Fluoro-phen-yl)-1-(4-nitro-phen-yl)-3-(pyridin-4-yl)-1H-pyrazol-5-amine. Acta Crystallogr Sect E Struct Rep Online 2012; 68:o633. [PMID: 22412538 PMCID: PMC3295427 DOI: 10.1107/s1600536812004102] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 01/31/2012] [Indexed: 11/24/2022]
Abstract
In the crystal structure of the title compound, C20H14FN5O2, the pyrazole ring forms dihedral angles of 59.3 (2), 25.6 (2) and 46.0 (2)° with the directly attached 4-fluorophenyl, pyridine and nitrophenyl rings, respectively. The crystal packing is characterized by intermolecular N—H⋯N and N—H⋯O hydrogen bonds.
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Abu Thaher B, Koch P, Schollmeyer D, Laufer S. Ethyl 5-amino-3-(pyridin-4-yl)-1-(2,4,6-tri-chloro-phen-yl)-1H-pyrazole-4-carb-oxyl-ate dimethyl sulfoxide hemisolvate. Acta Crystallogr Sect E Struct Rep Online 2012; 68:o917-8. [PMID: 22412761 PMCID: PMC3297958 DOI: 10.1107/s1600536812008264] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2012] [Accepted: 02/24/2012] [Indexed: 11/24/2022]
Abstract
The asymmetric unit of the title compound, C17H13Cl3N4O2·0.5C2H6OS, contains two almost identical molecules and one dimethyl sulfoxide (DMSO-d6) solvent molecule. The pyrazole ring forms dihedral angles of 54.6 (4) and 80.0 (4)° in one molecule, and dihedral angles of 54.2 (4) and 81.2 (4)° in the other molecule, with the directly attached pyridine and trichlorophenyl rings, respectively. The dihedral angles of the pyridine and trichlorophenyl rings are 51.2 (4) and 52.0 (4)°, respectively. The crystal packing is characterized by intra- and intermolecular hydrogen bonds. The crystal is a nonmerohedral twin with a contribution of 0.488 (1) for the minor twin component. The terminal ethyl group of one molecule and the S atom of DMSO are disordered over two sites.
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MAPK usage in periodontal disease progression. JOURNAL OF SIGNAL TRANSDUCTION 2012; 2012:308943. [PMID: 22315682 PMCID: PMC3270463 DOI: 10.1155/2012/308943] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2011] [Accepted: 10/05/2011] [Indexed: 12/12/2022]
Abstract
In periodontal disease, host recognition of bacterial constituents, including lipopolysaccharide (LPS), induces p38 MAPK activation and subsequent inflammatory cytokine expression, favoring osteoclastogenesis and increased net bone resorption in the local periodontal environment. In this paper, we discuss evidence that the p38/MAPK-activated protein kinase-2 (MK2) signaling axis is needed for periodontal disease progression: an orally administered p38α inhibitor reduced the progression of experimental periodontal bone loss by reducing inflammation and cytokine expression. Subsequently, the significance of p38 signaling was confirmed with RNA interference to attenuate MK2-reduced cytokine expression and LPS-induced alveolar bone loss. MAPK phosphatase-1 (MKP-1), a negative regulator of MAPK activation, was also critical for periodontal disease progression. In MPK-1-deficient mice, p38-sustained activation increased osteoclast formation and bone loss, whereas MKP-1 overexpression dampened p38 signaling and subsequent cytokine expression. Finally, overexpression of the p38/MK2 target RNA-binding tristetraprolin (TTP) decreased mRNA stability of key inflammatory cytokines at the posttranscriptional level, thereby protecting against periodontal inflammation. Collectively, these studies highlight the importance of p38 MAPK signaling in immune cytokine production and periodontal disease progression.
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HAYAKAWA R, HAYAKAWA T, TAKEDA K, ICHIJO H. Therapeutic targets in the ASK1-dependent stress signaling pathways. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2012; 88:434-53. [PMID: 23060232 PMCID: PMC3491083 DOI: 10.2183/pjab.88.434] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2012] [Accepted: 08/17/2012] [Indexed: 05/25/2023]
Abstract
Apoptosis signal-regulating kinase 1 (ASK1) is a member of the mitogen-activated protein kinase kinase kinase (MAP3K) family that activates downstream MAP kinases (MAPKs), c-Jun N-terminal kinases (JNKs) and p38 MAPKs, in response to various stresses, such as reactive oxygen species (ROS), endoplasmic reticulum (ER) stress, lipopolysaccharide, and calcium overload. Activation of the JNK and p38 pathways induces stress responses such as cell death, differentiation, and the production of inflammatory cytokines. A series of studies using ASK1-deficient mice have indicated that ASK1 plays important roles in many stress-related diseases, including cardiovascular and neurodegenerative diseases, suggesting that small compounds that inhibit ASK1 activity could possibly be used for the amelioration of the development and/or progression of these diseases. In this review, we provide an overview of the pathophysiological roles of ASK1-dependent signaling pathways and discuss the mechanistic basis for how these could serve as potential therapeutic targets.
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Affiliation(s)
- Ryoichi HAYAKAWA
- Laboratory of Cell Signaling, Graduate School of
Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Teruyuki HAYAKAWA
- Laboratory of Cell Signaling, Graduate School of
Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Kohsuke TAKEDA
- Laboratory of Cell Signaling, Graduate School of
Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
- Division of Cell Regulation, Graduate School of Biomedical
Sciences, Nagasaki University, Nagasaki, Japan
| | - Hidenori ICHIJO
- Laboratory of Cell Signaling, Graduate School of
Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
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Zhang YY, Wu JW, Wang ZX. A Distinct Interaction Mode Revealed by the Crystal Structure of the Kinase p38 with the MAPK Binding Domain of the Phosphatase MKP5. Sci Signal 2011; 4:ra88. [DOI: 10.1126/scisignal.2002241] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Yang Y, Shen Y, Liu H, Yao X. Molecular dynamics simulation and free energy calculation studies of the binding mechanism of allosteric inhibitors with p38α MAP kinase. J Chem Inf Model 2011; 51:3235-46. [PMID: 22097958 DOI: 10.1021/ci200159g] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
p38 MAP kinase is a promising target for anti-inflammatory treatment. The classical kinase inhibitors imatinib and sorafenib as well as BI-1 and BIRB-796 were reported to bind in the DFG-out form of human p38α, known as type II or allosteric kinase inhibitors. Although DFG-out conformation has attracted great interest in the design of type II kinase inhibitors, the structural requirements for binding and mechanism of stabilization of DFG-out conformation remain unclear. As allosteric inhibition is important to the selectivity of kinase inhibitor, herein the binding modes of imatinib, sorafenib, BI-1 and BIRB-796 to p38α were investigated by molecular dynamics simulation. Binding free energies were calculated by molecular mechanics/Poisson-Boltzmann surface area method. The predicted binding affinities can give a good explanation of the activity difference of the studied inhibitors. Furthermore, binding free energies decomposition analysis and further structural analysis indicate that the dominating effect of van der Waals interaction drives the binding process, and key residues, such as Lys53, Gly71, Leu75, Ile84, Thr106, Met109, Leu167, Asp168, and Phe169, play important roles by forming hydrogen bond, salt bridge, and hydrophobic interactions with the DFG-out conformation of p38α. Finally, we also conducted a detailed analysis of BI-1, imatinib, and sorafenib binding to p38α in comparison with BIRB-796 exploited for gaining potency as well as selectivity of p38 inhibitors. These results are expected to be useful for future rational design of novel type II p38 inhibitors.
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Affiliation(s)
- Ying Yang
- State Key Laboratory of Applied Organic Chemistry and Department of Chemistry, Lanzhou University, Lanzhou 730000, China
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Selig R, Schollmeyer D, Albrecht W, Laufer S. The application of Stille cross-coupling reactions with multiple nitrogen containing heterocycles. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.09.053] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Jiang JK, Shen M, Thomas CJ, Boxer MB. Chiral kinase inhibitors. Curr Top Med Chem 2011; 11:800-9. [PMID: 21291394 PMCID: PMC3220195 DOI: 10.2174/156802611795165052] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2010] [Accepted: 06/15/2010] [Indexed: 01/06/2023]
Abstract
Small molecule kinase inhibitors are important tools for studying cellular signaling pathways, phenotypes and are, occasionally, useful clinical agents. With stereochemistry pervasive throughout the molecules of life it is no surprise that a single stereocenter can bestow a ligand with distinct binding affinities to various protein targets. While the majority of small molecule kinase inhibitors reported to date are achiral, a number of asymmetric compounds show great utility as tools for probing kinase-associated biomolecular events as well as promising therapeutic leads. The mechanism by which chirality is introduced varies but includes screening of chiral libraries, incorporation of chiral centers during optimization efforts and the rational installation of a chiral moiety as guided by structural and modeling efforts. Here we discuss several advanced chiral small molecule kinase inhibitors where stereochemistry plays an important role in terms of potency and selectivity.
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Affiliation(s)
- Jian-kang Jiang
- NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, USA
| | - Min Shen
- NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, USA
| | - Craig J. Thomas
- NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, USA
| | - Mathew B. Boxer
- NIH Chemical Genomics Center, National Human Genome Research Institute, National Institutes of Health, 9800 Medical Center Drive, Rockville, Maryland 20850, USA
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Probst GD, Bowers S, Sealy JM, Truong AP, Hom RK, Galemmo RA, Konradi AW, Sham HL, Quincy DA, Pan H, Yao N, Lin M, Tóth G, Artis DR, Zmolek W, Wong K, Qin A, Lorentzen C, Nakamura DF, Quinn KP, Sauer JM, Powell K, Ruslim L, Wright S, Chereau D, Ren Z, Anderson JP, Bard F, Yednock TA, Griswold-Prenner I. Highly selective c-Jun N-terminal kinase (JNK) 2 and 3 inhibitors with in vitro CNS-like pharmacokinetic properties prevent neurodegeneration. Bioorg Med Chem Lett 2011; 21:315-9. [DOI: 10.1016/j.bmcl.2010.11.010] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2010] [Revised: 10/27/2010] [Accepted: 11/01/2010] [Indexed: 01/12/2023]
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The role of cytokines in Guillain-Barré syndrome. J Neurol 2010; 258:533-48. [PMID: 21104265 DOI: 10.1007/s00415-010-5836-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2010] [Revised: 10/13/2010] [Accepted: 11/09/2010] [Indexed: 12/17/2022]
Abstract
Cytokines play an important role in the pathogenesis of autoimmune diseases including Guillain-Barré syndrome (GBS) and its animal model experimental autoimmune neuritis (EAN). In this article, we reviewed the current knowledge of the role of cytokines such as TNF-α, IFN-γ, IL-1β, IL-6, IL-12, IL-18, IL-23, IL-17, IL-10, IL-4 and chemokines in GBS and EAN as unraveled by studies both in the clinic and the laboratory. However, these studies occasionally yield conflicting results, highlighting the complex role that cytokines play in the disease process. Efforts to modulate cytokine function in GBS and other autoimmune disease have shown efficiency indicating that cytokines are important therapeutic targets.
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