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Shalaby M, Abdеlaziz RR, Ghoneim HA, Suddеk GM. Imatinib mitigates experimentally-induced ulcerative colitis: Possible contribution of NF-kB/JAK2/STAT3/COX2 signaling pathway. Life Sci 2023; 321:121596. [PMID: 36940909 DOI: 10.1016/j.lfs.2023.121596] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/06/2023] [Accepted: 03/15/2023] [Indexed: 03/22/2023]
Abstract
RATIONALE Ulcerative colitis (UC) is a chronic immune-mediated disease characterized by recurrent inflammation, damage, and alteration of the large intestine's mucosal and submucosal surfaces. The purpose of this research was to evaluate the impact of tyrosine kinase inhibitor (imatinib) on experimentally induced UC in rats via acetic acid (AA). METHODS Male rats were randomly assigned to four groups: control, AA, AA + imatinib (10 mg/kg), and AA + imatinib (20 mg/kg). Imatinib (10 and 20 mg/kg/day) was orally supplied by oral syringe for one week before induction of UC. On the eighth day, Rats received enemas containing a 4 % solution of acetic acid to induce colitis. One day after inducing colitis, rats were euthanized and their colons were subjected to morphological, biochemical, histological, and immunohistochemical analysis. RESULTS Imatinib pretreatment significantly decreased macroscopic and histological damage scores, decreased disease activity index as well as colon mass index. In addition, imatinib successfully lowered the levels of malondialdehyde (MDA) in colonic tissues and enhanced superoxide dismutase activity (SOD) and glutathione content (GSH). Imatinib also reduced colonic levels of inflammatory interleukins (IL-23, IL-17, IL-6), JAK2 and STAT3. Furthermore, imatinib suppressed nuclear transcription factor kappa B (NF-kB/p65) level, and COX2 expression in colonic tissues. SIGNIFICANCE Imatinib may be a viable therapy option for UC as it halts the interaction network of NF-kB/JAK2/STAT3/COX2 signaling pathway.
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Affiliation(s)
- Mohamed Shalaby
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, 35516 Mansoura, Egypt
| | - Rania R Abdеlaziz
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, 35516 Mansoura, Egypt.
| | - Hamdy A Ghoneim
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, 35516 Mansoura, Egypt
| | - Ghada M Suddеk
- Department of Pharmacology & Toxicology, Faculty of Pharmacy, Mansoura University, 35516 Mansoura, Egypt
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Dasatinib-Loaded Topical Nano-Emulgel for Rheumatoid Arthritis: Formulation Design and Optimization by QbD, In Vitro, Ex Vivo, and In Vivo Evaluation. Pharmaceutics 2023; 15:pharmaceutics15030736. [PMID: 36986597 PMCID: PMC10052882 DOI: 10.3390/pharmaceutics15030736] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 02/03/2023] [Accepted: 02/17/2023] [Indexed: 02/25/2023] Open
Abstract
The current study aimed to develop a topical emulgel of dasatinib (DTB) for rheumatoid arthritis (RA) treatment to reduce systemic side effects. The quality by design (QbD) approach was employed to optimize DTB-loaded nano-emulgel using a central composite design (CCD). Emulgel was prepared using the hot emulsification method, and then the particle size (PS) was reduced using the homogenization technique. The PS and % entrapment efficiency (% EE) were found to be 172.53 ± 3.33 nm (0.160 ± 0.014 PDI) and 95.11 ± 0.16%, respectively. The nano-emulsion (CF018 emulsion) in vitro drug release profile showed sustained release (SR) up to 24 h. MTT assay results from an in vitro cell line study revealed that formulation excipients had no effect, whereas emulgel showed a high degree of internalization. Furthermore, emulgel treatment significantly reduced LPS-induced TNF-α production in RAW 264.7 cells. The spherical shape was depicted in FESEM images of optimized nano-emulgel (CF018 emulgel) formulation. Ex vivo skin permeation was significantly increased when compared to the free drug-loaded gel (FDG). In vivo data revealed that the optimized CF018 emulgel is a non-irritant and is safe. In terms of paw swelling, the FCA-induced arthritis model demonstrated that the CF018 emulgel reduced paw swelling percentage compared to adjuvant-induced arthritis (AIA) control group. Following clinical testing in the near future, the designed preparation could be a viable alternative treatment for RA.
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Marín-Rubio JL, Peltier-Heap RE, Dueñas ME, Heunis T, Dannoura A, Inns J, Scott J, Simpson AJ, Blair HJ, Heidenreich O, Allan JM, Watt JE, Martin MP, Saxty B, Trost M. A Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Assay Identifies Nilotinib as an Inhibitor of Inflammation in Acute Myeloid Leukemia. J Med Chem 2022; 65:12014-12030. [PMID: 36094045 PMCID: PMC9511480 DOI: 10.1021/acs.jmedchem.2c00671] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
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Inflammatory responses are important in cancer, particularly
in the context of monocyte-rich aggressive myeloid neoplasm. We developed
a label-free cellular phenotypic drug discovery assay to identify
anti-inflammatory drugs in human monocytes derived from acute myeloid
leukemia (AML), by tracking several features ionizing from only 2500
cells using matrix-assisted laser desorption/ionization-time of flight
(MALDI-TOF) mass spectrometry. A proof-of-concept screen showed that
the BCR-ABL inhibitor nilotinib, but not the structurally similar
imatinib, blocks inflammatory responses. In order to identify the
cellular (off-)targets of nilotinib, we performed thermal proteome
profiling (TPP). Unlike imatinib, nilotinib and other later-generation
BCR-ABL inhibitors bind to p38α and inhibit the p38α-MK2/3
signaling axis, which suppressed pro-inflammatory cytokine expression,
cell adhesion, and innate immunity markers in activated monocytes
derived from AML. Thus, our study provides a tool for the discovery
of new anti-inflammatory drugs, which could contribute to the treatment
of inflammation in myeloid neoplasms and other diseases.
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Affiliation(s)
- José Luis Marín-Rubio
- Laboratory for Biological Mass Spectrometry, Biosciences Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK
| | - Rachel E Peltier-Heap
- Laboratory for Biological Mass Spectrometry, Biosciences Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK
| | - Maria Emilia Dueñas
- Laboratory for Biological Mass Spectrometry, Biosciences Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK
| | - Tiaan Heunis
- Laboratory for Biological Mass Spectrometry, Biosciences Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK.,Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK
| | - Abeer Dannoura
- Laboratory for Biological Mass Spectrometry, Biosciences Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK
| | - Joseph Inns
- Laboratory for Biological Mass Spectrometry, Biosciences Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK
| | - Jonathan Scott
- Translational and Clinical Research Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK
| | - A John Simpson
- Translational and Clinical Research Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK.,Respiratory Medicine Unit, Royal Victoria Infirmary, Newcastle upon Tyne Hospitals NHS Foundation Trust, Newcastle upon Tyne NE1 4LP, UK
| | - Helen J Blair
- Translational and Clinical Research Institute, Newcastle University, Herschel Building, Level 6, Brewery Lane, Newcastle upon Tyne NE1 7RU, UK
| | - Olaf Heidenreich
- Translational and Clinical Research Institute, Newcastle University, Herschel Building, Level 6, Brewery Lane, Newcastle upon Tyne NE1 7RU, UK
| | - James M Allan
- Translational and Clinical Research Institute, Newcastle University, Herschel Building, Level 6, Brewery Lane, Newcastle upon Tyne NE1 7RU, UK
| | - Jessica E Watt
- Newcastle Cancer Centre, Northern Institute for Cancer Research, Medical School, Newcastle University, Paul O'Gorman Building, Framlington Place, Newcastle upon Tyne NE2 4HH, UK
| | - Mathew P Martin
- Newcastle Cancer Centre, Northern Institute for Cancer Research, Medical School, Newcastle University, Paul O'Gorman Building, Framlington Place, Newcastle upon Tyne NE2 4HH, UK
| | - Barbara Saxty
- LifeArc, SBC Open Innovation Campus, Stevenage SG1 2FX, UK
| | - Matthias Trost
- Laboratory for Biological Mass Spectrometry, Biosciences Institute, Newcastle University, Newcastle-upon-Tyne NE2 4HH, UK
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Baek YY, Sung B, Choi JS, Go HK, Kim DH, Hyon JY, You JC. In Vivo Efficacy of Imatinib Mesylate, a Tyrosine Kinase Inhibitor, in the Treatment of Chemically Induced Dry Eye in Animal Models. Transl Vis Sci Technol 2021; 10:14. [PMID: 34520512 PMCID: PMC8444463 DOI: 10.1167/tvst.10.11.14] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Purpose Dry eye disease (DED) is a multifactorial disorder of the tears and ocular surface accompanied by ocular discomfort, visual disturbance, tear film instability, and ocular surface inflammation. In the present study, we evaluated the efficacy of the tyrosine kinase inhibitor imatinib mesylate for the treatment of DED. Methods Experimental models of DED were generated in Sprague Dawley rats using a combination of benzalkonium chloride (BAC) with atropine sulfate and in New Zealand White rabbits using BAC. The animals were treated twice daily with eye drops of vehicle, imatinib (0.01%-0.3%), or a positive control (Restasis). The improvement in DED due to imatinib was assessed by staining with fluorescein, lissamine green, impression cytology, and histological analysis. In addition, immunofluorescence staining was performed at the end of the study to evaluate the inflammatory response in the ocular surface. Results Topical application of imatinib significantly reduced ocular surface damage compared with vehicle-treated animals. Imatinib restored the morphology and structure of the conjunctival epithelium and reduced the recruitment of immune cells in the corneal epithelium. Furthermore, imatinib significantly reduced the impression cytology score, thus demonstrating that imatinib prevents the loss of goblet cells in DED animal models. The therapeutic efficacy of imatinib was similar to or better than that of cyclosporine treatment. Conclusions In this study, we provide an animal in vivo proof of concept of the therapeutic potential of imatinib for the treatment of DED. Translational Relevance With this study we show the possibility of developing imatinib as a new ophthalmic drop to treat DED.
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Affiliation(s)
| | | | | | | | | | - Joon Young Hyon
- Department of Ophthalmology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Ji Chang You
- Avixgen Inc., Seoul, Republic of Korea.,National Research Laboratory for Molecular Virology, Department of Pathology, School of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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Ntari L, Nikolaou C, Kranidioti K, Papadopoulou D, Christodoulou-Vafeiadou E, Chouvardas P, Meier F, Geka C, Denis MC, Karagianni N, Kollias G. Combination of subtherapeutic anti-TNF dose with dasatinib restores clinical and molecular arthritogenic profiles better than standard anti-TNF treatment. J Transl Med 2021; 19:165. [PMID: 33892739 PMCID: PMC8063445 DOI: 10.1186/s12967-021-02764-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/22/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND New medications for Rheumatoid Arthritis (RA) have emerged in the last decades, including Disease Modifying Antirheumatic Drugs (DMARDs) and biologics. However, there is no known cure, since a significant proportion of patients remain or become non-responders to current therapies. The development of new mode-of-action treatment schemes involving combination therapies could prove successful for the treatment of a greater number of RA patients. METHODS We investigated the effect of the Tyrosine Kinase inhibitors (TKIs) dasatinib and bosutinib, on the human TNF-dependent Tg197 arthritis mouse model. The inhibitors were administered either as a monotherapy or in combination with a subtherapeutic dose of anti-hTNF biologics and their therapeutic effect was assessed clinically, histopathologically as well as via gene expression analysis and was compared to that of an efficient TNF monotherapy. RESULTS Dasatinib and, to a lesser extent, bosutinib inhibited the production of TNF and proinflammatory chemokines from arthritogenic synovial fibroblasts. Dasatinib, but not bosutinib, also ameliorated significantly and in a dose-dependent manner both the clinical and histopathological signs of Tg197 arthritis. Combination of dasatinib with a subtherapeutic dose of anti-hTNF biologic agents, resulted in a synergistic inhibitory effect abolishing all arthritis symptoms. Gene expression analysis of whole joint tissue of Tg197 mice revealed that the combination of dasatinib with a low subtherapeutic dose of Infliximab most efficiently restores the pathogenic gene expression profile to that of the healthy state compared to either treatment administered as a monotherapy. CONCLUSION Our findings show that dasatinib exhibits a therapeutic effect in TNF-driven arthritis and can act in synergy with a subtherapeutic anti-hTNF dose to effectively treat the clinical and histopathological signs of the pathology. The combination of dasatinib and anti-hTNF exhibits a distinct mode of action in restoring the arthritogenic gene signature to that of a healthy profile. Potential clinical applications of combination therapies with kinase inhibitors and anti-TNF agents may provide an interesting alternative to high-dose anti-hTNF monotherapy and increase the number of patients responding to treatment.
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Affiliation(s)
| | - Christoforos Nikolaou
- Institute for Bioinnovation, Biomedical Sciences Research Center (BSRC), Alexander Fleming, 34 Alexander Fleming Street, 16672, Vari, Greece
| | | | - Dimitra Papadopoulou
- Institute for Bioinnovation, Biomedical Sciences Research Center (BSRC), Alexander Fleming, 34 Alexander Fleming Street, 16672, Vari, Greece
| | | | - Panagiotis Chouvardas
- Department of Medical Oncology, Inselspital, University Hospital and University of Bern, Bern, Switzerland
- Department for BioMedical Research (DBMR), University of Bern, Bern, Switzerland
| | - Florian Meier
- Division of Rheumatology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Project Group Translational Medicine and Pharmacology TMP, Frankfurt am Main, Germany
| | | | | | | | - George Kollias
- Institute for Bioinnovation, Biomedical Sciences Research Center (BSRC), Alexander Fleming, 34 Alexander Fleming Street, 16672, Vari, Greece.
- Department of Physiology and Joint Rheumatology Program, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
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Nejat R, Sadr AS. Are losartan and imatinib effective against SARS-CoV2 pathogenesis? A pathophysiologic-based in silico study. In Silico Pharmacol 2020; 9:1. [PMID: 33294307 PMCID: PMC7716628 DOI: 10.1007/s40203-020-00058-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 11/04/2020] [Indexed: 12/13/2022] Open
Abstract
Proposing a theory about the pathophysiology of cytokine storm in COVID19, we were to find the potential drugs to treat this disease and to find any effect of these drugs on the virus infectivity through an in silico study. COVID-19-induced ARDS is linked to a cytokine storm phenomenon not explainable solely by the virus infectivity. Knowing that ACE2, the hydrolyzing enzyme of AngII and SARS-CoV2 receptor, downregulates when the virus enters the host cells, we hypothesize that hyperacute AngII upregulation is the eliciting factor of this ARDS. We were to validate this theory through reviewing previous studies to figure out the role of overzealous activation of AT1R in ARDS. According to this theory losartan may attenuate ARDS in this disease. Imatinib, has previously been elucidated to be promising in modulating lung inflammatory reactions and virus infectivity in SARS and MERS. We did an in silico study to uncover any probable other unconsidered inhibitory effects of losartan and imatinib against SARS-CoV2 pathogenesis. Reviewing the literature, we could find that over-activation of AT1R could explain precisely the mechanism of cytokine storm in COVID19. Our in silico study revealed that losartan and imatinib could probably: (1) decline SARS-CoV2 affinity to ACE2. (2) inhibit the main protease and furin, (3) disturb papain-like protease and p38MAPK functions. Our reviewing on renin-angiotensin system showed that overzealous activation of AT1R by hyper-acute excess of AngII due to acute downregulation of ACE2 by SARS-CoV2 explains precisely the mechanism of cytokine storm in COVID-19. Besides, based on our in silico study we concluded that losartan and imatinib are promising in COVID19.
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Affiliation(s)
- Reza Nejat
- Department of Anesthesiology and Critical Care Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Ahmad Shahir Sadr
- Bioinformatics Research Center, Cheragh Medical Institute and Hospital, Kabul, Afghanistan
- Department of Computer Science, Faculty of Mathematical Sciences, Shahid Beheshti University, Tehran, Iran
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Tehran, Iran
- School of Biological Sciences, Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
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Başcı S, Ata N, Altuntaş F, Yiğenoğlu TN, Dal MS, Korkmaz S, Namdaroğlu S, Baştürk A, Hacıbekiroğlu T, Doğu MH, Berber İ, Dal K, Erkurt MA, Turgut B, Çağlayan M, Ayvalı MO, Çelik O, Ülgü MM, Birinci Ş. Outcome of COVID-19 in patients with chronic myeloid leukemia receiving tyrosine kinase inhibitors. J Oncol Pharm Pract 2020; 26:1676-1682. [PMID: 32854573 PMCID: PMC7506180 DOI: 10.1177/1078155220953198] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 07/31/2020] [Accepted: 08/03/2020] [Indexed: 12/22/2022]
Abstract
INTRODUCTION In this study, we aim to report the outcome of COVID-19 in chronic myeloid leukemia (CML) patients receiving tyrosine kinase inhibitor (TKI). METHOD The data of 16 laboratory-confirmed COVID-19 patients with CML receiving TKI and age, gender, and comorbid disease matched COVID-19 patients without cancer at a 3/1 ratio (n = 48), diagnosed between March 11, 2020 and May 22, 2020 and included in the Republic of Turkey, Ministry of Health database, were analyzed retrospectively. RESULTS The rates of intensive care unit (ICU) admission, and mechanical ventilation (MV) support were lower in CML patients compared to the control group, however, these differences did not achieve statistical significance (p = 0.1, and p = 0.2, respectively). The length of hospital stay was shorter in CML patients compared with the control group; however, it was not statistically significant (p = 0.8). The case fatality rate (CFR) in COVID-19 patients with CML was 6.3%, and it was 12.8% in the control group. Although the CFR in CML patients with COVID-19 was lower compared to the control group, this difference did not achieve statistical significance (p = 0.5). When CML patients were divided into 3 groups according to the TKI, no significant difference was observed regarding the rate of ICU admission, MV support, CFR, the length of stay in both hospital and ICU (all p > 0.05). CONCLUSION This study highlights that large scale prospective and randomized studies should be conducted in order to investigate the role of TKIs in the treatment of COVID-19.
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MESH Headings
- Antineoplastic Agents/administration & dosage
- Betacoronavirus/isolation & purification
- COVID-19
- Coronavirus Infections/drug therapy
- Coronavirus Infections/epidemiology
- Coronavirus Infections/physiopathology
- Coronavirus Infections/therapy
- Female
- Hospitalization/statistics & numerical data
- Humans
- Imatinib Mesylate/administration & dosage
- Length of Stay/statistics & numerical data
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/drug therapy
- Leukemia, Myelogenous, Chronic, BCR-ABL Positive/epidemiology
- Male
- Middle Aged
- Outcome and Process Assessment, Health Care
- Pandemics
- Pneumonia, Viral/epidemiology
- Pneumonia, Viral/physiopathology
- Pneumonia, Viral/therapy
- Protein Kinase Inhibitors/administration & dosage
- Respiration, Artificial/statistics & numerical data
- Retrospective Studies
- SARS-CoV-2
- Severity of Illness Index
- Turkey/epidemiology
- COVID-19 Drug Treatment
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Affiliation(s)
- Semih Başcı
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Naim Ata
- Department of Strategy Development, Ministry of Health, Republic of Turkey, Ankara, Turkey
| | - Fevzi Altuntaş
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Tuğçe Nur Yiğenoğlu
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Mehmet Sinan Dal
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
| | - Serdal Korkmaz
- Department of Hematology, Kayseri City Hospital, University of Health Sciences, Kayseri, Turkey
| | - Sinem Namdaroğlu
- Department of Hematology, Bozyaka Training and Research Hospital, University of Health Sciences, Izmir, Turkey
| | - Abdülkadir Baştürk
- Division of Hematology, Department of Internal Medicine, School of Medicine, Selçuk University, Konya, Turkey
| | - Tuba Hacıbekiroğlu
- Division of Hematology, Department of Internal Medicine, School of Medicine, Sakarya University, Sakarya, Turkey
| | - Mehmet Hilmi Doğu
- Department of Hematology, İstanbul Training and Research Hospital, İstanbul, Turkey
| | - İlhami Berber
- Division of Hematology, Department of Internal Medicine, School of Medicine, İnönü University, Malatya, Turkey
| | - Kürşat Dal
- Department of Internal Medicine, Keçiören Training and Research Hospital, Ankara, Turkey
| | - Mehmet Ali Erkurt
- Division of Hematology, Department of Internal Medicine, School of Medicine, İnönü University, Malatya, Turkey
| | - Burhan Turgut
- Division of Hematology, Department of Internal Medicine, School of Medicine, Namık Kemal University, Tekirdağ, Turkey
| | - Murat Çağlayan
- Ankara Provincial Health Directorate, Ministry of Health, Republic of Turkey, Ankara, Turkey
| | - Mustafa Okan Ayvalı
- General Directorate of Health Information Systems, Ministry of Health, Republic of Turkey, Ankara, Turkey
| | - Osman Çelik
- Public Hospitals General Directorate, Ministry of Health, Republic of Turkey, Ankara, Turkey
| | - Mustafa Mahir Ülgü
- General Directorate of Health Information Systems, Ministry of Health, Republic of Turkey, Ankara, Turkey
| | - Şuayip Birinci
- Deputy Minister of Health, Republic of Turkey, Ankara, Turkey
| | - on behalf of the Turkish Ministry of Health, Hematology Scientific Working Group
- Department of Hematology and Bone Marrow Transplantation Center, Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, Turkey
- Department of Strategy Development, Ministry of Health, Republic of Turkey, Ankara, Turkey
- Department of Hematology, Kayseri City Hospital, University of Health Sciences, Kayseri, Turkey
- Department of Hematology, Bozyaka Training and Research Hospital, University of Health Sciences, Izmir, Turkey
- Division of Hematology, Department of Internal Medicine, School of Medicine, Selçuk University, Konya, Turkey
- Division of Hematology, Department of Internal Medicine, School of Medicine, Sakarya University, Sakarya, Turkey
- Department of Hematology, İstanbul Training and Research Hospital, İstanbul, Turkey
- Division of Hematology, Department of Internal Medicine, School of Medicine, İnönü University, Malatya, Turkey
- Department of Internal Medicine, Keçiören Training and Research Hospital, Ankara, Turkey
- Division of Hematology, Department of Internal Medicine, School of Medicine, Namık Kemal University, Tekirdağ, Turkey
- Ankara Provincial Health Directorate, Ministry of Health, Republic of Turkey, Ankara, Turkey
- General Directorate of Health Information Systems, Ministry of Health, Republic of Turkey, Ankara, Turkey
- Public Hospitals General Directorate, Ministry of Health, Republic of Turkey, Ankara, Turkey
- Deputy Minister of Health, Republic of Turkey, Ankara, Turkey
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Song JH, Yu DH, Hwang TS, Seung BJ, Sur JH, Kim YJ, Jung DI. Expression of platelet-derived growth factor receptor-α/ß, vascular endothelial growth factor receptor-2, c-Abl, and c-Kit in canine granulomatous meningoencephalitis and necrotizing encephalitis. Vet Med Sci 2020; 6:965-974. [PMID: 32585777 PMCID: PMC7738704 DOI: 10.1002/vms3.314] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/11/2020] [Accepted: 05/27/2020] [Indexed: 01/21/2023] Open
Abstract
Background Given the active research on targeted therapy using tyrosine kinase (TK) inhibitors (TKIs) in the field of oncology, further studies have recently been conducted to evaluate their use in autoimmune disorders. Based on immunological investigations, previous studies have suggested that granulomatous meningoencephalomyelitis (GME) and necrotizing encephalomyelitis (NE) are similar to multiple sclerosis (MS), which is a human autoimmune demyelinating central nervous system disease. Objectives Considering this perspective, we hypothesized that canine GME and NE have significant expression of one or more TKs, which are associated with human MS pathogenesis. Methods To determine the possible use of conventional multi‐targeted TKIs as a treatment for canine GME and NE, we characterized the immunohistochemical expression of platelet‐derived growth factor receptor (PDGFR)‐α, PDGFR‐ß, vascular endothelial growth factor receptor (VEGFR)‐2, c‐Abl and c‐Kit in GME and NE samples. Results Histological samples from four dogs with GME and three with NE were retrieved. All samples stained positive for PDGFR‐ß (7/7 [100%]). PDGFR‐α and c‐Kit were expressed in 3/7 (42.8%) samples each. c‐Abl was identified in 2/7 (28.5%) samples; no sample showed VEGFR‐2 (0%) expression. Co‐expression of TKs was identified in 6/7 (85.7%) dogs. Conclusions All samples were positive for at least one or more of PDGFR‐α, PDGFR‐ß, c‐Kit and c‐Abl, which are known as the target TKs of conventional multi‐targeted TKIs. Their presence does suggest that these TKs may play a role in the pathogenesis of GME and NE. Therefore, multi‐targeted TKIs may provide benefits in the treatment of canine GME and NE by suppressing the activity of these TKs.
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Affiliation(s)
- Joong-Hyun Song
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Do-Hyeon Yu
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Tae-Sung Hwang
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Byung-Joon Seung
- Department of Pathobiology, Small Animal Tumor Diagnostic Center, College of Veterinary Medicine, Konkuk University, Seoul, 05029, Republic of Korea
| | - Jung-Hyang Sur
- Department of Pathobiology, Small Animal Tumor Diagnostic Center, College of Veterinary Medicine, Konkuk University, Seoul, 05029, Republic of Korea
| | - Young Joo Kim
- College of Veterinary Medicine, Western University of Health Sciences, Pomona, CA, 91766-1854, USA
| | - Dong-In Jung
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
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9
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Bernal-Bello D, Jaenes-Barrios B, Morales-Ortega A, Ruiz-Giardin JM, García-Bermúdez V, Frutos-Pérez B, Farfán-Sedano AI, de Ancos-Aracil C, Bermejo F, García-Gil M, Zapatero-Gaviria A, San Martín-López JV. Imatinib might constitute a treatment option for lung involvement in COVID-19. Autoimmun Rev 2020; 19:102565. [PMID: 32376403 PMCID: PMC7252139 DOI: 10.1016/j.autrev.2020.102565] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 04/14/2020] [Indexed: 12/26/2022]
Affiliation(s)
- David Bernal-Bello
- Department of Internal Medicine, Hospital Universitario de Fuenlabrada, Madrid, Spain..
| | | | | | | | | | - Begoña Frutos-Pérez
- Department of Internal Medicine, Hospital Universitario de Fuenlabrada, Madrid, Spain..
| | | | | | - Fernando Bermejo
- Department of Gastroenterology, Hospital Universitario de Fuenlabrada, Instituto de Investigación Sanitaria Hospital La Paz (IdiPaz), Madrid, Spain..
| | - Mario García-Gil
- Department of Hospital Pharmacy, Hospital Universitario de Fuenlabrada, Madrid, Spain..
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10
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Uesato N, Miyagawa N, Inagaki K, Kakefuda R, Kitagawa Y, Matsuo Y, Yamaguchi T, Hata T, Ikegashira K, Matsushita M. Pharmacological Properties of JTE-952, an Orally Available and Selective Colony Stimulating Factor 1 Receptor Kinase Inhibitor. Biol Pharm Bull 2020; 43:325-333. [DOI: 10.1248/bpb.b19-00694] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Naofumi Uesato
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
| | - Naoki Miyagawa
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
| | - Koji Inagaki
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
| | - Reina Kakefuda
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
| | | | - Yushi Matsuo
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
| | | | - Takahiro Hata
- Central Pharmaceutical Research Institute, Japan Tobacco Inc
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11
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Pirdadeh-Beiranvand M, Afkhami A, Madrakian T. Magnetic molecularly imprinted electrospun nanofibers for selective extraction of nilotinib from human serum. Anal Bioanal Chem 2020; 412:1629-1637. [DOI: 10.1007/s00216-020-02393-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 12/08/2019] [Accepted: 01/07/2020] [Indexed: 10/25/2022]
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12
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Matsumoto I, Kurata I, Ohyama A, Kawaguchi H, Ebe H, Osada A, Kondo Y, Tsuboi H, Sumida T. Revisit of autoimmunity to glucose-6-phosphate isomerase in experimental and rheumatoid arthritis. Mod Rheumatol 2019; 30:232-238. [PMID: 31441345 DOI: 10.1080/14397595.2019.1659539] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Rheumatoid arthritis (RA) is an inflammatory disorder characterized by synovial inflammation in multiple joints. Autoantibodies (Abs) are the hallmark of RA, and as disease-specific and diagnostic markers, rheumatoid factor and anti-citrullinated protein antibody (ACPA) are produced pre-clinically, but their pathogenic roles in RA remain elusive. In this review, we focus on one of the candidate autoantigens in RA; glucose-6-phosphate isomerase (GPI). The arthritogenic role of GPI has been confirmed in two different mouse models: the K/BxN- and GPI-induced arthritis models. Both anti-GPI Abs and citrullinated-GPI peptide Abs have been detected in human RA. Studies conducted in these rodent models have confirmed that the pathogenesis of arthritis involves the localization of autoantigens not only in the joints but also in the circulation. In this review, we revisit and summarize the arthritogenic relevance of GPI in animal RA models and in human RA, and extend the discussion to joint-specific inflammation.
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Affiliation(s)
- Isao Matsumoto
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Izumi Kurata
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Ayako Ohyama
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Hoshimi Kawaguchi
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Hiroshi Ebe
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Atsumu Osada
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Yuya Kondo
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Hiroto Tsuboi
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
| | - Takayuki Sumida
- Department of Internal Medicine, Division of Rheumatology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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13
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Guo K, Bu X, Yang C, Cao X, Bian H, Zhu Q, Zhu J, Zhang D. Treatment Effects of the Second-Generation Tyrosine Kinase Inhibitor Dasatinib on Autoimmune Arthritis. Front Immunol 2019; 9:3133. [PMID: 30687331 PMCID: PMC6335562 DOI: 10.3389/fimmu.2018.03133] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 12/18/2018] [Indexed: 01/06/2023] Open
Abstract
Rheumatoid arthritis (RA) is a multifactorial autoimmune disease that primarily manifests as persistent synovitis and progressive joint destruction. Imatinib exhibited a therapeutic effect in murine collagen-induced arthritis (CIA) via selective inhibition tyrosine kinases. The second-generation tyrosine kinase inhibitor dasatinib exhibits more durable hematological and cytogenetic effects and more potency compared to imatinib. However, the effect of dasatinib on CIA is poorly understood. The present study investigated the treatment effect of dasatinib on autoimmune arthritis. We demonstrated that dasatinib alleviated arthritis symptoms and histopathological destruction in CIA mice. Dasatinib treatment inhibited the production of proinflammatory cytokines including IL-1β, TNF-α, and IL-6, and promoted the production of the anti-inflammatory cytokine IL-10. Dasatinib treatment also suppressed the expression of anti-mouse CII antibodies including total IgG, IgG1, IgG2, and IgG2b, in CIA mice. We further demonstrated that dasatinib inhibited the migration and proliferation of fibroblast-like synoviocytes (FLS) from RA patients and promoted FLS apoptosis. The mRNA expression of MMP13, VEGF, FGF, and DKK1 was down-regulated in FLS treated with dasatinib. Our findings suggest that dasatinib exhibited treatment effects on CIA mice and that FLS are an important target cell of dasatinib treatment in autoimmune arthritis.
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Affiliation(s)
- Kai Guo
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China.,State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, China
| | - Xin Bu
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, China
| | - Chongfei Yang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xiaorui Cao
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Huan Bian
- State Key Laboratory of Cancer Biology, Department of Biochemistry and Molecular Biology, Fourth Military Medical University, Xi'an, China
| | - Qingsheng Zhu
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jinyu Zhu
- Department of Orthopaedics, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen, China
| | - Dawei Zhang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
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14
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Identification of fused pyrimidines as interleukin 17 secretion inhibitors. Eur J Med Chem 2018; 155:562-578. [DOI: 10.1016/j.ejmech.2018.06.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 06/04/2018] [Accepted: 06/06/2018] [Indexed: 02/06/2023]
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15
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Majkowska I, Shitomi Y, Ito N, Gray NS, Itoh Y. Discoidin domain receptor 2 mediates collagen-induced activation of membrane-type 1 matrix metalloproteinase in human fibroblasts. J Biol Chem 2017; 292:6633-6643. [PMID: 28270508 PMCID: PMC5399112 DOI: 10.1074/jbc.m116.770057] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 02/22/2017] [Indexed: 02/05/2023] Open
Abstract
Membrane-type 1 matrix metalloproteinase (MT1-MMP) is a membrane-bound MMP that is highly expressed in cells with invading capacity, including fibroblasts and invasive cancer cells. However, pathways of MT1-MMP up-regulation are not clearly understood. A potential physiological stimulus for MT1-MMP expression is fibrillar collagen, and it has been shown that it up-regulates both MT1-MMP gene and functions in various cell types. However, the mechanisms of collagen-mediated MT1-MMP activation and its physiological relevance are not known. In this study, we identified discoidin domain receptor 2 (DDR2) as a crucial receptor that mediates this process in human fibroblasts. Knocking down DDR2, but not the β1 integrin subunit, a common subunit for all collagen-binding integrins, inhibited the collagen-induced MT1-MMP-dependent activation of pro-MMP-2 and up-regulation of MT1-MMP at the gene and protein levels. Interestingly, DDR2 knockdown or pharmacological inhibition of DDR2 also inhibited the MT1-MMP-dependent cellular degradation of collagen film, suggesting that cell-surface collagen degradation by MT1-MMP involves DDR2-mediated collagen signaling. This DDR2-mediated mechanism is only present in non-transformed mesenchymal cells as collagen-induced MT1-MMP activation in HT1080 fibrosarcoma cells and MT1-MMP function in MDA-MB231 breast cancer cells were not affected by DDR kinase inhibition. DDR2 activation was found to be noticeably more effective when cells were stimulated by collagen without the non-helical telopeptide region compared with intact collagen fibrils. Furthermore, DDR2-dependent MT1-MMP activation by cartilage was found to be more efficient when the tissue was partially damaged. These data suggest that DDR2 is a microenvironment sensor that regulates fibroblast migration in a collagen-rich environment.
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Affiliation(s)
- Iwona Majkowska
- From the Kennedy Institute of Rheumatology, Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, United Kingdom and
| | - Yasuyuki Shitomi
- From the Kennedy Institute of Rheumatology, Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, United Kingdom and
| | - Noriko Ito
- From the Kennedy Institute of Rheumatology, Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, United Kingdom and
| | - Nathanael S Gray
- Dana-Farber Cancer Institute, Harvard Medical School, Boston, Massachusetts 02215
| | - Yoshifumi Itoh
- From the Kennedy Institute of Rheumatology, Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Oxford OX3 7FY, United Kingdom and
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16
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Stephens RS, Johnston L, Servinsky L, Kim BS, Damarla M. The tyrosine kinase inhibitor imatinib prevents lung injury and death after intravenous LPS in mice. Physiol Rep 2015; 3:3/11/e12589. [PMID: 26620257 PMCID: PMC4673626 DOI: 10.14814/phy2.12589] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Severe sepsis and septic shock are frequent causes of the acute respiratory distress syndrome, and important sources of human mortality. Lipopolysaccharide (LPS), a component of Gram-negative bacterial cell walls, plays a major role in the pathogenesis of severe sepsis and septic shock. LPS exposure induces the production of harmful reactive oxygen species, and the resultant oxidant injury has been implicated in the pathogenesis of both severe sepsis and ARDS. We previously showed that the tyrosine kinase inhibitor imatinib increases lung endothelial antioxidant enzymes and protects against pulmonary endothelial antioxidant injury. In the present study, we tested the hypothesis that imatinib would protect against lung injury and systemic inflammation caused by intravenous LPS in an intact mouse model of endotoxemia mimicking early sepsis. We found that intravenous LPS induced a significant increase in the activity of lung xanthine oxidoreductase (XOR), an enzyme which is a major source of reactive oxygen species and implicated in the pathogenesis of acute lung injury. Imatinib had no effect of LPS-induced XOR activity. However, pretreatment of mice with imatinib increased lung catalase activity and decreased intravenous LPS-induced lung oxidant injury as measured by γ-H2AX, a marker of oxidant-induced DNA damage, lung apoptosis, and pulmonary edema. Imatinib also attenuated systemic cytokine expression after intravenous LPS exposure. Finally, imatinib completely prevented mortality in an in vivo, intravenous LPS mouse model of endotoxemia and lung injury. These results support the testing of imatinib as a novel pharmacologic agent in the treatment of Gram-negative sepsis and sepsis-induced ARDS.
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Affiliation(s)
- R Scott Stephens
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Laura Johnston
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Laura Servinsky
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Bo S Kim
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Mahendra Damarla
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
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17
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Rizzo AN, Sammani S, Esquinca AE, Jacobson JR, Garcia JGN, Letsiou E, Dudek SM. Imatinib attenuates inflammation and vascular leak in a clinically relevant two-hit model of acute lung injury. Am J Physiol Lung Cell Mol Physiol 2015; 309:L1294-304. [PMID: 26432864 DOI: 10.1152/ajplung.00031.2015] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 09/27/2015] [Indexed: 12/29/2022] Open
Abstract
Acute lung injury/acute respiratory distress syndrome (ALI/ARDS), an illness characterized by life-threatening vascular leak, is a significant cause of morbidity and mortality in critically ill patients. Recent preclinical studies and clinical observations have suggested a potential role for the chemotherapeutic agent imatinib in restoring vascular integrity. Our prior work demonstrates differential effects of imatinib in mouse models of ALI, namely attenuation of LPS-induced lung injury but exacerbation of ventilator-induced lung injury (VILI). Because of the critical role of mechanical ventilation in the care of patients with ARDS, in the present study we pursued an assessment of the effectiveness of imatinib in a "two-hit" model of ALI caused by combined LPS and VILI. Imatinib significantly decreased bronchoalveolar lavage protein, total cells, neutrophils, and TNF-α levels in mice exposed to LPS plus VILI, indicating that it attenuates ALI in this clinically relevant model. In subsequent experiments focusing on its protective role in LPS-induced lung injury, imatinib attenuated ALI when given 4 h after LPS, suggesting potential therapeutic effectiveness when given after the onset of injury. Mechanistic studies in mouse lung tissue and human lung endothelial cells revealed that imatinib inhibits LPS-induced NF-κB expression and activation. Overall, these results further characterize the therapeutic potential of imatinib against inflammatory vascular leak.
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Affiliation(s)
- Alicia N Rizzo
- University of Illinois Hospital and Health Sciences System, Division of Pulmonary, Critical Care, Sleep and Allergy, Chicago, Illinois; University of Illinois at Chicago, Department of Pharmacology, Chicago, Illinois
| | - Saad Sammani
- University of Illinois Hospital and Health Sciences System, Division of Pulmonary, Critical Care, Sleep and Allergy, Chicago, Illinois
| | - Adilene E Esquinca
- University of Illinois Hospital and Health Sciences System, Division of Pulmonary, Critical Care, Sleep and Allergy, Chicago, Illinois
| | - Jeffrey R Jacobson
- University of Illinois Hospital and Health Sciences System, Division of Pulmonary, Critical Care, Sleep and Allergy, Chicago, Illinois
| | - Joe G N Garcia
- Arizona Health Sciences Center, University of Arizona, Tucson, Arizona
| | - Eleftheria Letsiou
- University of Illinois Hospital and Health Sciences System, Division of Pulmonary, Critical Care, Sleep and Allergy, Chicago, Illinois
| | - Steven M Dudek
- University of Illinois Hospital and Health Sciences System, Division of Pulmonary, Critical Care, Sleep and Allergy, Chicago, Illinois; University of Illinois at Chicago, Department of Pharmacology, Chicago, Illinois;
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18
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The tyrosine kinase inhibitor Dasatinib blocks in-vitro HIV-1 production by primary CD4+ T cells from HIV-1 infected patients. AIDS 2014; 28:278-81. [PMID: 24361684 DOI: 10.1097/qad.0000000000000073] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
HIV reservoirs persistence despite antiretroviral therapy (ART) might be related to persistent immune activation and residual HIV production, requiring further therapeutic strategies. We demonstrated that the tyrosine kinase inhibitor (TKI) Dasatinib, used for chronic myeloid leukaemia, significantly blocks in vitro HIV1 production by 3.4 logs in HIV1-infected primary CD4 T lymphocytes, by inhibiting cell activation and proliferation, without cell toxicity. This molecule deserves to be investigated further for HIV cure strategies to hinder persistent immune activation and residual viral production.
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19
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Stephens RS, Servinsky LE, Rentsendorj O, Kolb TM, Pfeifer A, Pearse DB. Protein kinase G increases antioxidant function in lung microvascular endothelial cells by inhibiting the c-Abl tyrosine kinase. Am J Physiol Cell Physiol 2014; 306:C559-69. [PMID: 24401847 DOI: 10.1152/ajpcell.00375.2012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Oxidant injury contributes to acute lung injury (ALI). We previously reported that activation of protein kinase GI (PKGI) posttranscriptionally increased the key antioxidant enzymes catalase and glutathione peroxidase 1 (Gpx-1) and attenuated oxidant-induced cytotoxicity in mouse lung microvascular endothelial cells (MLMVEC). The present studies tested the hypothesis that the antioxidant effect of PKGI is mediated via inhibition of the c-Abl tyrosine kinase. We found that activation of PKGI with the cGMP analog 8pCPT-cGMP inhibited c-Abl activity and decreased c-Abl expression in wild-type but not PKGI(-/-) MLMVEC. Treatment of wild-type MLMVEC with atrial natriuretic peptide also inhibited c-Abl activation. Moreover, treatment of MLMVEC with the c-Abl inhibitor imatinib increased catalase and GPx-1 protein in a posttranscriptional fashion. In imatinib-treated MLMVEC, there was no additional effect of 8pCPT-cGMP on catalase or GPx-1. The imatinib-induced increase in antioxidant proteins was associated with an increase in extracellular H2O2 scavenging by MLMVEC, attenuation of oxidant-induced endothelial barrier dysfunction, and prevention of oxidant-induced endothelial cell death. Finally, in the isolated perfused lung, imatinib prevented oxidant-induced endothelial toxicity. We conclude that cGMP, through activation of PKGI, inhibits c-Abl, leading to increased key antioxidant enzymes and resistance to lung endothelial oxidant injury. Inhibition of c-Abl by active PKGI may be the downstream mechanism underlying PKGI-mediated antioxidant signaling. Tyrosine kinase inhibitors may represent a novel therapeutic approach in oxidant-induced ALI.
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Affiliation(s)
- R Scott Stephens
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University, Baltimore, Maryland, and
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20
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Yan JW, Wang YJ, Peng WJ, Tao JH, Wan YN, Li BZ, Mei B, Chen B, Yao H, Yang GJ, Li XP, Ye DQ, Wang J. Therapeutic potential of interleukin-17 in inflammation and autoimmune diseases. Expert Opin Ther Targets 2013; 18:29-41. [PMID: 24147601 DOI: 10.1517/14728222.2013.843669] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Interleukin-17 (IL-17) is a proinflammatory cytokine that mainly produced by T helper 17 (Th17) cells. In this article, we discussed the role of IL-17 in inflammation and autoimmune diseases, and the therapeutic strategies targeting IL-17. AREAS COVERED In this article, we discussed the proinflammatory cytokine IL-17 and IL-17 receptors signals, and their regulation. IL-17 expression was abnormal in the bacterium, virus and fungus infection, and its higher level caused the tissue inflammation. IL-17 was involved in the pathological process of autoimmune diseases, such as systemic sclerosis, rheumatoid arthritis, ankylosing spondylitis and systemic lupus erythematosus, and IL-17 has been put as a therapeutic target in the clinic. EXPERT OPINION IL-17/IL-17R signals and their application in inflammation process still need to be explored. Therapeutic strategies targeting IL-17 in autoimmune diseases ameliorated the inadequate response to anti-TNF-α therapy.
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Affiliation(s)
- Jun-Wei Yan
- Anhui Medical University, School of Public Health, Department of Epidemiology and Biostatistics , NO.81, Meishan Road, Hefei, Anhui, 230032, PR , China +86 551 65161175 ; +86 551 65161126 ;
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21
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Rogers JL, Serafin DS, Timoshchenko RG, Tarrant TK. Cellular targeting in autoimmunity. Curr Allergy Asthma Rep 2013; 12:495-510. [PMID: 23054625 DOI: 10.1007/s11882-012-0307-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Many biologic agents that were first approved for the treatment of malignancies are now being actively investigated and used in a variety of autoimmune diseases such as rheumatoid arthritis (RA), antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis, systemic lupus erythematosus (SLE), and Sjogren's syndrome. The relatively recent advance of selective immune targeting has significantly changed the management of autoimmune disorders and in part can be attributed to the progress made in understanding effector cell function and their signaling pathways. In this review, we will discuss the recent FDA-approved biologic therapies that directly target immune cells as well as the most promising investigational drugs affecting immune cell function and signaling for the treatment of autoimmune disease.
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Affiliation(s)
- Jennifer L Rogers
- Division of Rheumatology, Allergy, and Immunology and the Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC 27517, USA
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22
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Schmidt-Lauber C, Harrach S, Pap T, Fischer M, Victor M, Heitzmann M, Hansen U, Fobker M, Brand SM, Sindic A, Pavenstädt H, Edemir B, Schlatter E, Bertrand J, Ciarimboli G. Transport mechanisms and their pathology-induced regulation govern tyrosine kinase inhibitor delivery in rheumatoid arthritis. PLoS One 2012; 7:e52247. [PMID: 23284953 PMCID: PMC3527388 DOI: 10.1371/journal.pone.0052247] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Accepted: 11/16/2012] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Tyrosine kinase inhibitors (TKIs) are effective in treating malignant disorders and were lately suggested to have an impact on non-malignant diseases. However, in some inflammatory conditions like rheumatoid arthritis (RA) the in vivo effect seemed to be moderate. As most TKIs are taken up actively into cells by cell membrane transporters, this study aimed to evaluate the role of such transporters for the accumulation of the TKI Imatinib mesylates in RA synovial fibroblasts as well as their regulation under inflammatory conditions. METHODOLOGY/PRINCIPAL FINDINGS The transport and accumulation of Imatinib was investigated in transporter-transfected HEK293 cells and human RA synovial fibroblasts (hRASF). Transporter expression was quantified by qRT-PCR. In transfection experiments, hMATE1 showed the highest apparent affinity for Imatinib among all known Imatinib transporters. Experiments quantifying the Imatinib uptake in the presence of specific transporter inhibitors and after siRNA knockdown of hMATE1 indeed identified hMATE1 to mediate Imatinib transport in hRASF. The anti-proliferative effect of Imatinib on PDGF stimulated hRASF was quantified by cell counting and directly correlated with the uptake activity of hMATE1. Expression of hMATE1 was investigated by Western blot and immuno-fluorescence. Imatinib transport under disease-relevant conditions, such as an altered pH and following stimulation with different cytokines, was also investigated by HPLC. The uptake was significantly reduced by an acidic extracellular pH as well as by the cytokines TNFα, IL-1β and IL-6, which all decreased the expression of hMATE1-mRNA and protein. CONCLUSION/SIGNIFICANCE The regulation of Imatinib uptake via hMATE1 in hRASF and resulting effects on their proliferation may explain moderate in vivo effects on RA. Moreover, our results suggest that investigating transporter mediated drug processing under normal and pathological conditions is important for developing intracellular acting drugs used in inflammatory diseases.
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Affiliation(s)
- Christian Schmidt-Lauber
- Experimental Nephrology, Department of Internal Medicine D, University Hospital Münster, Münster, Germany
- Institute of Experimental Musculoskeletal Medicine, University Hospital Münster, Münster, Germany
| | - Saliha Harrach
- Experimental Nephrology, Department of Internal Medicine D, University Hospital Münster, Münster, Germany
- Institute of Experimental Musculoskeletal Medicine, University Hospital Münster, Münster, Germany
| | - Thomas Pap
- Institute of Experimental Musculoskeletal Medicine, University Hospital Münster, Münster, Germany
| | - Meike Fischer
- Experimental Nephrology, Department of Internal Medicine D, University Hospital Münster, Münster, Germany
| | - Marion Victor
- Experimental Nephrology, Department of Internal Medicine D, University Hospital Münster, Münster, Germany
| | - Marianne Heitzmann
- Institute of Experimental Musculoskeletal Medicine, University Hospital Münster, Münster, Germany
| | - Uwe Hansen
- Institute for Physiological Chemistry and Pathobiochemistry, University Hospital Münster, Münster, Germany
| | - Manfred Fobker
- Center of Laboratory Medicine, University Hospital Münster, Münster, Germany
| | - Stefan-Martin Brand
- Leibniz-Institute for Arteriosclerosis Research, University Hospital Münster, Münster, Germany
- Molecular Genetics of Cardiovascular Disease, Institute of Sports Medicine, University Hospital Münster, Münster, Germany
| | - Aleksandra Sindic
- Department of Physiology, Croatian Institute for Brain Research, University of Zagreb, Zagreb, Croatia
| | - Hermann Pavenstädt
- Experimental Nephrology, Department of Internal Medicine D, University Hospital Münster, Münster, Germany
| | - Bayram Edemir
- Experimental Nephrology, Department of Internal Medicine D, University Hospital Münster, Münster, Germany
| | - Eberhard Schlatter
- Experimental Nephrology, Department of Internal Medicine D, University Hospital Münster, Münster, Germany
| | - Jessica Bertrand
- Institute of Experimental Musculoskeletal Medicine, University Hospital Münster, Münster, Germany
| | - Giuliano Ciarimboli
- Experimental Nephrology, Department of Internal Medicine D, University Hospital Münster, Münster, Germany
- * E-mail:
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23
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Nacer A, Movila A, Baer K, Mikolajczak SA, Kappe SHI, Frevert U. Neuroimmunological blood brain barrier opening in experimental cerebral malaria. PLoS Pathog 2012; 8:e1002982. [PMID: 23133375 PMCID: PMC3486917 DOI: 10.1371/journal.ppat.1002982] [Citation(s) in RCA: 113] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 09/07/2012] [Indexed: 12/31/2022] Open
Abstract
Plasmodium falciparum malaria is responsible for nearly one million annual deaths worldwide. Because of the difficulty in monitoring the pathogenesis of cerebral malaria in humans, we conducted a study in various mouse models to better understand disease progression in experimental cerebral malaria (ECM). We compared the effect on the integrity of the blood brain barrier (BBB) and the histopathology of the brain of P. berghei ANKA, a known ECM model, P. berghei NK65, generally thought not to induce ECM, P. yoelii 17XL, originally reported to induce human cerebral malaria-like histopathology, and P. yoelii YM. As expected, P. berghei ANKA infection caused neurological signs, cerebral hemorrhages, and BBB dysfunction in CBA/CaJ and Swiss Webster mice, while Balb/c and A/J mice were resistant. Surprisingly, PbNK induced ECM in CBA/CaJ mice, while all other mice were resistant. P. yoelii 17XL and P. yoelii YM caused lethal hyperparasitemia in all mouse strains; histopathological alterations, BBB dysfunction, or neurological signs were not observed. Intravital imaging revealed that infected erythrocytes containing mature parasites passed slowly through capillaries making intimate contact with the endothelium, but did not arrest. Except for relatively rare microhemorrhages, mice with ECM presented no obvious histopathological alterations that would explain the widespread disruption of the BBB. Intravital imaging did reveal, however, that postcapillary venules, but not capillaries or arterioles, from mice with ECM, but not hyperparasitemia, exhibit platelet marginalization, extravascular fibrin deposition, CD14 expression, and extensive vascular leakage. Blockage of LFA-1 mediated cellular interactions prevented leukocyte adhesion, vascular leakage, neurological signs, and death from ECM. The endothelial barrier-stabilizing mediators imatinib and FTY720 inhibited vascular leakage and neurological signs and prolonged survival to ECM. Thus, it appears that neurological signs and coma in ECM are due to regulated opening of paracellular-junctional and transcellular-vesicular fluid transport pathways at the neuroimmunological BBB. Plasmodium falciparum, the deadliest of all human malaria parasites, can cause cerebral malaria, a severe and frequently fatal complication of this devastating disease. Young children are predominantly at risk and may progress rapidly from the first signs of neurological involvement to coma and death. Here we used a murine model for high-resolution in vivo imaging to demonstrate that cerebral malaria, but not high parasitemia and severe anemia, is associated with extensive leakage of fluid from cerebral blood vessels into the brain tissue. This vascular leakage occurs downstream from the capillary bed, at the neuroimmunological blood brain barrier, a site recently recognized as the immune cell entry point into the brain during neuroinflammation. Vascular leakage is closely associated with the appearance of neurological signs suggesting that the ultimate cause of brain edema, coma and death in cerebral malaria is a widespread opening of the neuroimmunological blood brain barrier. Indeed, vascular leakage, neurological signs, and death from ECM can be prevented with endothelial barrier-stabilizing drugs. Based on the unique role of this anatomical feature in neuroinflammation, our findings are expected to have implications for other infectious diseases and autoimmune disorders of the central nervous system.
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Affiliation(s)
- Adela Nacer
- Division of Medical Parasitology, Department of Microbiology, New York University School of Medicine, New York, New York, United States of America
| | - Alexandru Movila
- Division of Medical Parasitology, Department of Microbiology, New York University School of Medicine, New York, New York, United States of America
| | - Kerstin Baer
- Division of Medical Parasitology, Department of Microbiology, New York University School of Medicine, New York, New York, United States of America
| | | | - Stefan H. I. Kappe
- Seattle Biomedical Research Institute, Seattle, Washington, United States of America
| | - Ute Frevert
- Division of Medical Parasitology, Department of Microbiology, New York University School of Medicine, New York, New York, United States of America
- * E-mail:
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Gu JJ, Lavau CP, Pugacheva E, Soderblom EJ, Moseley MA, Pendergast AM. Abl family kinases modulate T cell-mediated inflammation and chemokine-induced migration through the adaptor HEF1 and the GTPase Rap1. Sci Signal 2012; 5:ra51. [PMID: 22810897 DOI: 10.1126/scisignal.2002632] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Chemokine signaling is critical for T cell function during homeostasis and inflammation and directs T cell polarity and migration through the activation of specific intracellular pathways. Here, we uncovered a previously uncharacterized role for the Abl family tyrosine kinases Abl and Arg in the regulation of T cell-dependent inflammatory responses and showed that the Abl family kinases were required for chemokine-induced T cell polarization and migration. Our data demonstrated that Abl and Arg were activated downstream of chemokine receptors and mediated the chemokine-induced tyrosine phosphorylation of human enhancer of filamentation 1 (HEF1), an adaptor protein that is required for the activity of the guanosine triphosphatase Rap1, which mediates cell adhesion and migration. Phosphorylation of HEF1 by Abl family kinases and activation of Rap1 were required for chemokine-induced T cell migration. Mouse T cells that lacked Abl and Arg exhibited defective homing to lymph nodes and impaired migration to sites of inflammation. These findings suggest that Abl family kinases are potential therapeutic targets for the treatment of T cell-dependent immune disorders that are characterized by chemokine-mediated inflammation.
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Affiliation(s)
- Jing Jin Gu
- Department of Pharmacology and Cancer Biology, Duke University School of Medicine, Durham, NC 27710, USA
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El-Agamy DS. Anti-allergic effects of nilotinib on mast cell-mediated anaphylaxis like reactions. Eur J Pharmacol 2012; 680:115-21. [DOI: 10.1016/j.ejphar.2012.01.039] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2011] [Revised: 01/24/2012] [Accepted: 01/28/2012] [Indexed: 01/25/2023]
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