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Imidazo[1,2-b]pyridazine as privileged scaffold in medicinal chemistry: An extensive review. Eur J Med Chem 2021; 226:113867. [PMID: 34607244 DOI: 10.1016/j.ejmech.2021.113867] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 09/09/2021] [Accepted: 09/20/2021] [Indexed: 01/03/2023]
Abstract
Imidazo[1,2-b]pyridazine scaffold represents an important class of heterocyclic nucleus which provides various bioactives molecules. Among them, the successful kinase inhibitor ponatinib led to a resurgence of interest in exploring new imidazo[1,2-b]pyridazine-containing derivatives for their putative therapeutic applications in medicine. This present review intends to provide a state-of-the-art of this framework in medicinal chemistry from 1966 to nowadays, unveiling different aspects of its structure-activity relationships (SAR). This extensive literature surveil may guide medicinal chemists for the quest of novel imidazo[1,2-b]pyridazine compounds with enhanced pharmacokinetics profile and efficiency.
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IRAK1-regulated IFN-γ signaling induces MDSC to facilitate immune evasion in FGFR1-driven hematological malignancies. Mol Cancer 2021; 20:165. [PMID: 34906138 PMCID: PMC8670266 DOI: 10.1186/s12943-021-01460-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 11/16/2021] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Stem Cell leukemia/lymphoma syndrome (SCLL) presents as a myeloproliferative disease which can progress to acute myeloid leukemia and is associated with the coincident development of B-cell and T-cell lymphomas. SCLL is driven by the constitutive activation of fibroblast growth factor receptor-1 (FGFR1) as a result of chromosome translocations with poor outcome. Mouse models have been developed which faithfully recapitulate the human disease and have been used to characterize the molecular genetic events that are associated with development and progression of the disease. METHODS CRISPR/Cas9 approaches were used to generate SCLL cells null for Interleukin receptor associated kinase 1 (IRAK1) and interferon gamma (IFNG) which were introduced into syngeneic hosts through tail vein injection. Development of the disease and changes in immune cell composition and activity were monitored using flow cytometry. Bead-based immunoassays were used to compare the cytokine and chemokine profiles of control and knock out (KO) cells. Antibody mediated, targeted depletion of T cell and MDSCs were performed to evaluate their role in antitumor immune responses. RESULTS In SCLL, FGFR1 activation silences miR-146b-5p through DNMT1-mediated promoter methylation, which derepresses the downstream target IRAK1. IRAK1 KO SCLL cells were xenografted into immunocompetent syngeneic mice where the typical rapid progression of disease was lost and the mice remained disease free. IRAK1 in this system has no effect on cell cycle progression or apoptosis and robust growth of the KO cells in immunodeficient mice suggested an effect on immune surveillance. Depletion of T-cells in immunocompetent mice restored leukemogenesis of the KO cells, and tumor killing assays confirmed the role of T cells in tumor clearance. Analysis of the immune cell profile in mice transplanted with the IRAK1 expressing mock control (MC) cells shows that there is an increase in levels of myeloid-derived suppressor cells (MDSCs) with a concomitant decrease in CD4+/CD8+ T-cell levels. MDSC suppression assays and depletion experiments showed that these MDSCs were responsible for suppression of the T cell mediated leukemia cell elimination. Immuno-profiling of a panel of secreted cytokines and chemokines showed that activation of IFN-γ is specifically impaired in the KO cells. In vitro and in vivo expression assays and engraftment with interferon gamma receptor-1 (IFNGR1) null mice and IFNG KO SCLL cells, showed the leukemia cells produced IFN-γ directly participating in the induction of MDSCs to establish immune evasion. Inhibition of IRAK1 using pacritinib suppresses leukemogenesis with impaired induction of MDSCs and attenuated suppression of CD4+/CD8+ T-cells. CONCLUSIONS IRAK1 orchestrates a previously unknown FGFR1-directed immune escape mechanism in SCLL, through induction of MDSCs via regulation of IFN-γ signaling from leukemia cells, and targeting IRAK1 may provide a means of suppressing tumor growth in this syndrome by restoring immune surveillance.
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Liu T, Wu DM, Zhang F, Zhang T, He M, Zhao YY, Li J, Li L, Xu Y. miR-142a-3p enhances FlaA N/C protection against radiation-mediated intestinal injury by modulating IRAK1/NF-κB signaling pathway. Int J Radiat Oncol Biol Phys 2021; 112:1256-1268. [PMID: 34906656 DOI: 10.1016/j.ijrobp.2021.12.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/25/2021] [Accepted: 12/02/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE To investigate the role of FlaA N/C protein-mediated pyroptosis inhibition and related miRNA in radiation protection. METHODS AND MATERIALS Mice received 10 Gy irradiation after FlaA N/C pretreatment, IRAK-1/4 Inhibitor I treatment, or PDTC treatment. Human intestinal epithelial cells (HIEC) cells received 10 Gy irradiation after FlaA N/C pretreatment, overexpressed miR-142a-3p with miR-142a-3p mimics, or inhibited miR-142a-3p with miR-142a-3p inhibitor. Mouse & Rat miRNA OneArray determined the change of relevant miRNA after FlaA N/C pretreatment, real-time PCR detected IRAK1 and miR-142a-3p expression, a CCK-8 assay evaluated cell viability, and LDH release analyzed cytotoxicity; caspase-1 activity assay, IL-1β level, and flow cytometry analyzed pyroptosis in cells; HE staining evaluated the damage of intestinal tissue; CO-IP detected the inflammation activation; immunohistochemistry, western blot analysis, and immunofluorescence analyzed activation of pyroptosis-related proteins and the activation of NF-kB signaling pathways, and Luciferase reporter assay and FISH detected the interaction between miR-142a-3p and IRAK1. RESULTS FlaA N/C reduced radiation-induced pyroptosis in vivo and in vitro, miR-142a-3p expression increased after FlaA N/C pretreatment. Up regulating the expression of miR-142a-3p inhibited radiation-induced pyroptosis in HIEC, and down regulating the expression of miR-142a-3p led to radiation-induced pyroptosis in HIEC after FlaA N/C pretreatment. IRAK1 was a direct target of miR-142a-3p and played an important role in radiation-induced pyroptosis in HIEC. Inhibiting IRAK1 reduced radiation-mediated pyroptosis in mice intestines. MiR-142a-3p down regulated IRAK1 and suppressed the NF-kB pathway. Inhibiting the NF-kB signaling pathway can reduce radiation-mediated pyroptosis in mice intestines. CONCLUSION Our findings indicated this new radioprotectant protein regulates miR-142a-3p, effectively inhibiting radiation-induced pyroptosis mediated by the IRAK1/NF-κB signaling pathway in intestinal cells.
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Affiliation(s)
- Teng Liu
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College
| | - Dong-Ming Wu
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College
| | - Feng Zhang
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College
| | - Ting Zhang
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College
| | - Miao He
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College
| | - Yang-Yang Zhao
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College
| | - Jin Li
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College
| | - Li Li
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College
| | - Ying Xu
- School of Clinical Medicine, Chengdu Medical College; The First Affiliated Hospital of Chengdu Medical College; School of Laboratory Medicine, Chengdu Medical College, Chengdu, Sichuan 610500, P.R. China.
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Tremblay D, Hoffman R. Emerging drugs for the treatment of myelofibrosis: phase II & III clinical trials. Expert Opin Emerg Drugs 2021; 26:351-362. [PMID: 34875179 DOI: 10.1080/14728214.2021.2015320] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
INTRODUCTION Myelofibrosis is a clonal hematologic malignancy with clinical manifestations that include cytopenias, debilitating constitutional symptoms, splenomegaly, bone marrow fibrosis and a propensity toward leukemic progression. While allogeneic hematopoietic stem cell transplantation can be curative, this therapy is not available for the majority of patients. Ruxolitinib and fedratinib are approved JAK2 inhibitors that have produced meaningful benefits in terms of spleen reduction and symptom improvement, but there remain several unmet needs. AREAS COVERED We discuss novel therapies based upon published data from phase II or III clinical trials. Specifically, we cover novel JAK inhibitors (momelotinib and pacritinib), and agents that target bromodomain and extra-terminal domain (pelabresib), the antiapoptotic proteins BCL-2/BCL-xL (navitoclax), MDM2 (navtemadlin), phosphatidylinositol 3-kinase (parsaclisib), or telomerase (imetelstat). EXPERT OPINION Patients with disease related cytopenias are ineligible for currently approved JAK2 inhibitors. However, momelotinib and pacritinib may be able to fill this void. Novel therapies are being evaluated in the upfront setting to improve the depth and duration of responses with ruxolitinib. Future evaluation of agents must be judged on their potential to modify disease progression, which current JAK2 inhibitors lack. Combination therapy, possibly with an immunotherapeutic agent might serve as key components of future myelofibrosis treatment options.
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Affiliation(s)
- Douglas Tremblay
- Division of Hematology and Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA10029
| | - Ronald Hoffman
- Division of Hematology and Medical Oncology, Tisch Cancer Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA10029
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Chang R, Zheng W, Luo Q, Liu G, Xu T, Sun Y. miR-148-1-5p modulates NF-κB signaling pathway by targeting IRAK1 in miiuy croaker (Miichthys miiuy). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2021; 125:104229. [PMID: 34389400 DOI: 10.1016/j.dci.2021.104229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/06/2021] [Accepted: 08/06/2021] [Indexed: 06/13/2023]
Abstract
microRNAs (miRNAs), a crucial class of small non-coding RNA species, have been extensively studied as key molecular in immune regulation in the past decades. Here, we discover a new miRNA miR-148-1-5p and we elaborate that miR-148-1-5p functions as a negative regulator to participate in innate immune responses. In this article, it has been researched that the regulation effect of miR-148-1-5p to the nuclear factor kappaB (NF-κB) signaling pathway by targeting IRAK1 in miiuy croaker. First, through bioinformatics software to predict the potential targets of miR-148-1-5p, we found that IRAK1 had a base complementary region with indicated miRNA. Next, the dual-luciferase assays revealed that overexpression of miR-148-1-5p mimics and pre-miR-148 plasmid could significantly inhibit the luciferase activity of wild-type IRAK1-3'UTR. However, miR-148-1-5p inhibitors attenuated the inhibition caused by miR-148-1-5p. In addition, we also confirmed that miR-148-1-5p could suppress the expression of IRAK1 at mRNA level. Collectively, the regulations of miR-148-1-5p to NF-κB signaling pathways via targeting the IRAK1 gene was studied in miiuy croaker, which provided new information to enrich the immune regulation network of miRNA in teleost fish.
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Affiliation(s)
- Renjie Chang
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Weiwei Zheng
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Qiang Luo
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Guiliang Liu
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China
| | - Tianjun Xu
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China; Laboratory of Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources (Shanghai Ocean University), Ministry of Education, China; National Pathogen Collection Center for Aquatic Animals, Shanghai Ocean University, China.
| | - Yuena Sun
- Laboratory of Fish Molecular Immunology, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai, China; Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources (Shanghai Ocean University), Ministry of Education, China; National Pathogen Collection Center for Aquatic Animals, Shanghai Ocean University, China.
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56
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Bose P, Mesa RA. Novel strategies for challenging scenarios encountered in managing myelofibrosis. Leuk Lymphoma 2021; 63:774-788. [PMID: 34775887 DOI: 10.1080/10428194.2021.1999443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Given its rarity, multi-faceted clinical presentation and the relative paucity of approved therapies, the management of myeloproliferative neoplasm (MPN)-associated myelofibrosis (MF) can be challenging. Janus kinase (JAK) inhibitors, the only approved agents at present, have brought many clinical benefits to patients, with prolongation of survival also demonstrated for ruxolitinib. However, these agents have clear limitations. Optimal management of anemia in MF remains a major unmet need. Neither ruxolitinib nor fedratinib is recommended for use in patients with severe thrombocytopenia, i.e. platelets <50 × 109/L, who have a particularly poor prognosis. The search for the optimal partner for JAK inhibitors to address some of the shortcomings of these agents (e.g. limited ability to improve bone marrow fibrosis, cytopenias and induce molecular responses) and achieve meaningful 'disease modification' continues. This has led to the development of a number of rational, preclinically synergistic combinations for use either upfront or in the setting of sub-optimal response to JAK inhibition. Finally, the outlook for patients whose disease progresses on JAK inhibitor therapy continues to be grim, and agents with alternative mechanisms of action may be needed in this setting. In this article, we use a case-based approach to illustrate challenges commonly encountered in clinical practice and our management of the same. Fortunately, there has been enormous growth in drug development efforts in the MF space in the last few years, some of which appear poised to bear fruit in the very near future.
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Affiliation(s)
- Prithviraj Bose
- Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ruben A Mesa
- Mays Cancer Center, UT Health San Antonio MD Anderson, San Antonio, TX, USA
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Peng W, Tang Q, Dai W, Chen T. Improving cancer driver gene identification using multi-task learning on graph convolutional network. Brief Bioinform 2021; 23:6394994. [PMID: 34643232 DOI: 10.1093/bib/bbab432] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/08/2021] [Accepted: 09/18/2021] [Indexed: 01/18/2023] Open
Abstract
Cancer is thought to be caused by the accumulation of driver genetic mutations. Therefore, identifying cancer driver genes plays a crucial role in understanding the molecular mechanism of cancer and developing precision therapies and biomarkers. In this work, we propose a Multi-Task learning method, called MTGCN, based on the Graph Convolutional Network to identify cancer driver genes. First, we augment gene features by introducing their features on the protein-protein interaction (PPI) network. After that, the multi-task learning framework propagates and aggregates nodes and graph features from input to next layer to learn node embedding features, simultaneously optimizing the node prediction task and the link prediction task. Finally, we use a Bayesian task weight learner to balance the two tasks automatically. The outputs of MTGCN assign each gene a probability of being a cancer driver gene. Our method and the other four existing methods are applied to predict cancer drivers for pan-cancer and some single cancer types. The experimental results show that our model shows outstanding performance compared with the state-of-the-art methods in terms of the area under the Receiver Operating Characteristic (ROC) curves and the area under the precision-recall curves. The MTGCN is freely available via https://github.com/weiba/MTGCN.
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Affiliation(s)
- Wei Peng
- Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, Yunnan 650500, P. R. China.,Technology Application Key Lab of Yunnan Province, Kunming University of Science and Technology, Kunming, Yunnan 650500, P. R. China
| | - Qi Tang
- Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, Yunnan 650500, P. R. China
| | - Wei Dai
- Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, Yunnan 650500, P. R. China.,Technology Application Key Lab of Yunnan Province, Kunming University of Science and Technology, Kunming, Yunnan 650500, P. R. China
| | - Tielin Chen
- Faculty of Information Engineering and Automation, Kunming University of Science and Technology, Kunming, Yunnan 650500, P. R. China
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Mahmoud IS, Hatmal MM, Abuarqoub D, Esawi E, Zalloum H, Wehaibi S, Nsairat H, Alshaer W. 1,4-Naphthoquinone Is a Potent Inhibitor of IRAK1 Kinases and the Production of Inflammatory Cytokines in THP-1 Differentiated Macrophages. ACS OMEGA 2021; 6:25299-25310. [PMID: 34632188 PMCID: PMC8495692 DOI: 10.1021/acsomega.1c03081] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 09/03/2021] [Indexed: 05/27/2023]
Abstract
Quinones are a class of cyclic organic compounds that are widely distributed in nature and have been shown to exhibit anti-inflammatory, antioxidant, and anticancerous activities. However, the molecular mechanisms/signaling by which these molecules exert their effect are still not fully understood. In this study, a group of quinone-derived compounds were examined for their potential inhibitory effect against human IRAK1 and IRAK4 kinases in vitro. We have identified five compounds: 1,4-naphthoquinone, emodin, shikonin, plumbagin, and menadione (vitamin K3) as active and selective inhibitors of human IRAK1 enzyme in vitro. The biochemical binding and molecular interactions between the active compounds and IRAK1's catalytic site were demonstrated in silico using structural-based docking and dynamic simulation analysis. Also, 1,4-naphthoquinone was found to effectively inhibit the growth of cancer cell lines overexpressing IRAK1. Furthermore, 1,4-naphthoquinone potently suppressed the production and secretion of key proinflammatory cytokine proteins IL-8, IL-1β, IL-10, TNF-α, and IL-6 in LPS-stimulated PMA-induced human THP-1 macrophages. In conclusion, 1,4-naphthoquinone is an effective inhibitor of IRAK1 kinases and their mediated inflammatory cytokines production in LPS-stimulated PMA-induced human THP-1 macrophages.
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Affiliation(s)
- Ismail Sami Mahmoud
- Department
of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, The Hashemite University, Zarqa 13133, Jordan
| | - Ma’mon M. Hatmal
- Department
of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, The Hashemite University, Zarqa 13133, Jordan
| | - Duaa Abuarqoub
- Cell
Therapy Centre, The University of Jordan, Amman 11942, Jordan
- Department
of Pharmacology and Biomedical Sciences, Faculty of Pharmacy and Medical
Sciences, University of Petra, Amman 11180, Jordan
| | - Ezaldeen Esawi
- Cell
Therapy Centre, The University of Jordan, Amman 11942, Jordan
- Department
of Pathology and Laboratory Medicine, King
Hussein Cancer Center, Amman 11941, Jordan
| | - Hiba Zalloum
- Hamdi
Mango Centre for Scientific Research, The
University of Jordan, Amman 11942, Jordan
| | - Suha Wehaibi
- Cell
Therapy Centre, The University of Jordan, Amman 11942, Jordan
| | - Hamdi Nsairat
- Pharmacological
and Diagnostic Research Centre, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman 19328, Jordan
| | - Walhan Alshaer
- Cell
Therapy Centre, The University of Jordan, Amman 11942, Jordan
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Key Factor Regulating Inflammatory Microenvironment, Metastasis, and Resistance in Breast Cancer: Interleukin-1 Signaling. Mediators Inflamm 2021; 2021:7785890. [PMID: 34602858 PMCID: PMC8486558 DOI: 10.1155/2021/7785890] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 08/20/2021] [Indexed: 02/06/2023] Open
Abstract
Breast cancer is one of the top-ranked cancers for incidence and mortality worldwide. The biggest challenges in breast cancer treatment are metastasis and drug resistance, for which work on molecular evaluation, mechanism studies, and screening of therapeutic targets is ongoing. Factors that lead to inflammatory infiltration and immune system suppression in the tumor microenvironment are potential therapeutic targets. Interleukin-1 is known as a proinflammatory and immunostimulatory cytokine, which plays important roles in inflammatory diseases. Recent studies have shown that interleukin-1 cytokines drive the formation and maintenance of an inflammatory/immunosuppressive microenvironment through complex intercellular signal crosstalk and tight intracellular signal transduction, which were found to be potentially involved in the mechanism of metastasis and drug resistance of breast cancer. Some preclinical and clinical treatments or interventions to block the interleukin-1/interleukin-1 receptor system and its up- and downstream signaling cascades have also been proven effective. This study provides an overview of IL-1-mediated signal communication in breast cancer and discusses the potential of IL-1 as a therapeutic target especially for metastatic breast cancer and combination therapy and current problems, aiming at enlightening new ideas in the study of inflammatory cytokines and immune networks in the tumor microenvironment.
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Bose P, Verstovsek S. SOHO State of the Art Updates and Next Questions: Identifying and Treating "Progression" in Myelofibrosis. CLINICAL LYMPHOMA, MYELOMA & LEUKEMIA 2021; 21:641-649. [PMID: 34272171 PMCID: PMC8565615 DOI: 10.1016/j.clml.2021.06.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 06/07/2021] [Accepted: 06/14/2021] [Indexed: 01/19/2023]
Abstract
Over the last decade, the Janus kinase (JAK) 1/2 inhibitor ruxolitinib has become widely established as the cornerstone of pharmacologic therapy for most patients with myelofibrosis (MF), providing dramatic and durable benefits in terms of splenomegaly and symptoms, and prolonging survival. Ruxolitinib does not address all aspects of the disease, however; notably cytopenias, and its ability to modify the underlying biology of the disease remains in question. Furthermore, patients eventually lose response to ruxolitinib. Multiple groups have reported the median overall survival of MF patients after ruxolitinib discontinuation to be 13 to 14 months. While consensus criteria only recognize splenic and blast progression as "progressive disease" in patients with MF, disease progression can occur in a variety of ways. Besides increasing splenomegaly and progression to accelerated phase/leukemic transformation, patients may develop worsening disease-related symptoms, cytopenias, progressive leukocytosis, extramedullary hematopoiesis, etc. As in the frontline setting, treatment needs to be tailored to the clinical needs of the patient. Current treatment options for patients with MF who fail ruxolitinib remain unsatisfactory, and this continues to represent an area of major unmet medical need. The regulatory approval of fedratinib has introduced an important option in the postruxolitinib setting. Fortunately, a plethora of novel agents, both new JAK inhibitors and drugs from other classes, eg, bromodomain and extraterminal (BET), murine double minute 2 (MDM2) and telomerase inhibitors, activin receptor ligand traps, BH3-mimetics and more, are poised to greatly expand the therapeutic armamentarium for patients with MF if successful in pivotal trials.
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Affiliation(s)
- Prithviraj Bose
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX.
| | - Srdan Verstovsek
- Department of Leukemia, University of Texas MD Anderson Cancer Center, Houston, TX
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Kim M, Hur S, Kim KH, Cho Y, Kim K, Kim HR, Nam KT, Lim KM. A New Murine Liver Fibrosis Model Induced by Polyhexamethylene Guanidine-Phosphate. Biomol Ther (Seoul) 2021; 30:126-136. [PMID: 34580237 PMCID: PMC8902451 DOI: 10.4062/biomolther.2021.120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 11/05/2022] Open
Abstract
Liver fibrosis is part of the wound healing process to help the liver recover from the injuries caused by various liver-damaging insults. However, liver fibrosis often progresses to life-threatening cirrhosis and hepatocellular carcinoma. To overcome the limitations of current in vivo liver fibrosis models for studying the pathophysiology of liver fibrosis and establishing effective treatment strategies, we developed a new mouse model of liver fibrosis using polyhexamethylene guanidine phosphate (PHMG-p), a humidifier sterilizer known to induce lung fibrosis in humans. Male C57/BL6 mice were intraperitoneally injected with PHMG-p (0.03% and 0.1%) twice a week for 5 weeks. Subsequently, liver tissues were examined histologically and RNA-sequencing was performed to evaluate the expression of key genes and pathways affected by PHMG-p. PHMG-p injection resulted in body weight loss of ~15% and worsening of physical condition. Necropsy revealed diffuse fibrotic lesions in the liver with no effect on the lungs. Histology, collagen staining, immunohistochemistry for smooth muscle actin and collagen, and polymerase chain reaction analysis of fibrotic genes revealed that PHMG-p induced liver fibrosis in the peri-central, peri-portal, and capsule regions. RNA-sequencing revealed that PHMG-p affected several pathways associated with human liver fibrosis, especially with upregulation of lumican and IRAK3, and downregulation of GSTp1 and GSTp2, which are closely involved in liver fibrosis pathogenesis. Collectively we demonstrated that the PHMG-p-induced liver fibrosis model can be employed to study human liver fibrosis.
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Affiliation(s)
- Minjeong Kim
- College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Sumin Hur
- Severance Biomedical Science Institute, Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul 03722, Republic of Korea
| | - Kwang H Kim
- Severance Biomedical Science Institute, Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul 03722, Republic of Korea
| | - Yejin Cho
- Severance Biomedical Science Institute, Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul 03722, Republic of Korea
| | - Keunyoung Kim
- College of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Ha Ryong Kim
- College of Pharmacy, Daegu Catholic University, Daegu 38430, Republic of Korea
| | - Ki Taek Nam
- Severance Biomedical Science Institute, Brain Korea 21 PLUS Project for Medical Science, College of Medicine, Yonsei University, Seoul 03722, Republic of Korea
| | - Kyung-Min Lim
- College of Pharmacy, Ewha Womans University, Seoul 03760, Republic of Korea
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Hozaka Y, Kita Y, Yasudome R, Tanaka T, Wada M, Idichi T, Tanabe K, Asai S, Moriya S, Toda H, Mori S, Kurahara H, Ohtsuka T, Seki N. RNA-Sequencing Based microRNA Expression Signature of Colorectal Cancer: The Impact of Oncogenic Targets Regulated by miR-490-3p. Int J Mol Sci 2021; 22:ijms22189876. [PMID: 34576039 PMCID: PMC8469425 DOI: 10.3390/ijms22189876] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/08/2021] [Accepted: 09/10/2021] [Indexed: 12/24/2022] Open
Abstract
To elucidate novel aspects of the molecular pathogenesis of colorectal cancer (CRC), we have created a new microRNA (miRNA) expression signature based on RNA-sequencing. Analysis of the signature showed that 84 miRNAs were upregulated, and 70 were downregulated in CRC tissues. Interestingly, our signature indicated that both guide and passenger strands of some miRNAs were significantly dysregulated in CRC tissues. These findings support our earlier data demonstrating the involvement of miRNA passenger strands in cancer pathogenesis. Our study focused on downregulated miR-490-3p and investigated its tumor-suppressive function in CRC cells. We successfully identified a total of 38 putative oncogenic targets regulated by miR-490-3p in CRC cells. Among these targets, the expression of three genes (IRAK1: p = 0.0427, FUT1: p = 0.0468, and GPRIN2: p = 0.0080) significantly predicted 5-year overall survival of CRC patients. Moreover, we analyzed the direct regulation of IRAK1 by miR-490-3p, and its resultant oncogenic function in CRC cells. Thus, we have clarified a part of the molecular pathway of CRC based on the action of tumor-suppressive miR-490-3p. This new miRNA expression signature of CRC will be a useful tool for elucidating new molecular pathogenesis in this disease.
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Affiliation(s)
- Yuto Hozaka
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Yoshiaki Kita
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Ryutaro Yasudome
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Takako Tanaka
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Masumi Wada
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Tetsuya Idichi
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Kan Tanabe
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Shunichi Asai
- Department of Functional Genomics, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan;
| | - Shogo Moriya
- Department of Biochemistry and Genetics, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan;
| | - Hiroko Toda
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Shinichiro Mori
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Hiroshi Kurahara
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Takao Ohtsuka
- Department of Digestive Surgery, Breast and Thyroid Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima 890-8520, Japan; (Y.H.); (Y.K.); (R.Y.); (T.T.); (M.W.); (T.I.); (K.T.); (H.T.); (S.M.); (H.K.); (T.O.)
| | - Naohiko Seki
- Department of Functional Genomics, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan;
- Correspondence: ; Tel.: +81-43-226-2971
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Unterman I, Bloch I, Cazacu S, Kazimirsky G, Ben-Zeev B, Berman BP, Brodie C, Tabach Y. Expanding the MECP2 network using comparative genomics reveals potential therapeutic targets for Rett syndrome. eLife 2021; 10:e67085. [PMID: 34355696 PMCID: PMC8346285 DOI: 10.7554/elife.67085] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 07/23/2021] [Indexed: 12/12/2022] Open
Abstract
Inactivating mutations in the Methyl-CpG Binding Protein 2 (MECP2) gene are the main cause of Rett syndrome (RTT). Despite extensive research into MECP2 function, no treatments for RTT are currently available. Here, we used an evolutionary genomics approach to construct an unbiased MECP2 gene network, using 1028 eukaryotic genomes to prioritize proteins with strong co-evolutionary signatures with MECP2. Focusing on proteins targeted by FDA-approved drugs led to three promising targets, two of which were previously linked to MECP2 function (IRAK, KEAP1) and one that was not (EPOR). The drugs targeting these three proteins (Pacritinib, DMF, and EPO) were able to rescue different phenotypes of MECP2 inactivation in cultured human neural cell types, and appeared to converge on Nuclear Factor Kappa B (NF-κB) signaling in inflammation. This study highlights the potential of comparative genomics to accelerate drug discovery, and yields potential new avenues for the treatment of RTT.
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Affiliation(s)
- Irene Unterman
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-CanadaJerusalemIsrael
| | - Idit Bloch
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-CanadaJerusalemIsrael
| | - Simona Cazacu
- Hermelin Brain Tumor Center, Henry Ford HospitalDetroitUnited States
| | - Gila Kazimirsky
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan UniversityRamat-GanIsrael
| | - Bruria Ben-Zeev
- Edmond and Lily Safra Children's Hospital, Chaim Sheba Medical CenterRamat GanIsrael
| | - Benjamin P Berman
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-CanadaJerusalemIsrael
| | - Chaya Brodie
- The Mina and Everard Goodman Faculty of Life Sciences, Bar-Ilan UniversityRamat-GanIsrael
| | - Yuval Tabach
- Department of Developmental Biology and Cancer Research, Institute for Medical Research Israel-CanadaJerusalemIsrael
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Dan VM, Raveendran RS, Baby S. Resistance to Intervention: Paclitaxel in Breast Cancer. Mini Rev Med Chem 2021; 21:1237-1268. [PMID: 33319669 DOI: 10.2174/1389557520999201214234421] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/22/2020] [Accepted: 11/02/2020] [Indexed: 12/22/2022]
Abstract
Breast cancer stands as the most prevalent cancer in women globally, and contributes to the highest percentage of mortality due to cancer-related deaths in women. Paclitaxel (PTX) is heavily relied on as a frontline chemotherapy drug in breast cancer treatment, especially in advanced metastatic cancer. Generation of resistance to PTX often derails clinical management and adversely affects patient outcomes. Understanding the molecular mechanism of PTX resistance is necessary to device methods to aid in overcoming the resistance. Recent studies exploring the mechanism of development of PTX resistance have led to unveiling of a range novel therapeutic targets. PTX resistance pathways that involve major regulatory proteins/RNAs like RNF8/Twist/ROR1, TLR, ErbB3/ErbB2, BRCA1- IRIS, MENA, LIN9, MiRNA, FoxM1 and IRAK1 have expanded the complexity of resistance mechanisms, and brought newer insights into the development of drug targets. These resistance-related targets can be dealt with synthetic/natural therapeutics in combination with PTX. The present review encompasses the recent understanding of PTX resistance mechanisms in breast cancer and possible therapeutic combinations to overcome resistance.
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Affiliation(s)
- Vipin Mohan Dan
- Microbiology Division, Jawaharlal Nehru Tropical Botanic Garden and Research Institute, Pacha-Palode 695562, Thiruvananthapuram, Kerala, India
| | - Reji Saradha Raveendran
- Microbiology Division, Jawaharlal Nehru Tropical Botanic Garden and Research Institute, Pacha-Palode 695562, Thiruvananthapuram, Kerala, India
| | - Sabulal Baby
- Phytochemistry and Phytopharmacology Division, Jawaharlal Nehru Tropical Botanic Garden and Research Institute, Pacha-Palode 695562, Thiruvananthapuram, Kerala, India
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Soyfer EM, Fleischman AG. Inflammation in Myeloid Malignancies: From Bench to Bedside. JOURNAL OF IMMUNOTHERAPY AND PRECISION ONCOLOGY 2021; 4:160-167. [PMID: 35663100 PMCID: PMC9138438 DOI: 10.36401/jipo-21-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 04/21/2021] [Accepted: 05/21/2021] [Indexed: 12/19/2022]
Abstract
Myeloid malignancies, stemming from a somatically mutated hematopoietic clone, can cause a wide variety of clinical consequences, including pancytopenia in myelodysplastic syndrome, overproduction of three myeloid lineages in myeloproliferative neoplasm, and the rapid growth of immature hematopoietic cells in acute myeloid leukemia (AML). It is becoming clear that inflammation is a hallmark feature of clonal myeloid conditions, ranging from clonal hematopoiesis of indeterminate potential to AML. Fundamental findings from laboratory research on inflammation in myeloid malignancies has potential implications for diagnosis, prognostication, and treatment in these diseases. In this review, we highlighted some pertinent basic science findings regarding the role of inflammation in myeloid malignancies and speculated how these findings could impact the clinical care of patients.
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Affiliation(s)
- Eli M Soyfer
- School of Medicine, University of California, Irvine, CA, USA
| | - Angela G Fleischman
- Division of Hematology/Oncology, UC Irvine Health, Irvine, CA, USA
- Chao Family Comprehensive Cancer Center, University of California, Irvine, USA
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66
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Kawamura Y, Saijo K, Imai H, Ishioka C. Inhibition of IRAK1/4 enhances the antitumor effect of lenvatinib in anaplastic thyroid cancer cells. Cancer Sci 2021; 112:4711-4721. [PMID: 34328666 PMCID: PMC8586669 DOI: 10.1111/cas.15095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 07/19/2021] [Accepted: 07/27/2021] [Indexed: 11/26/2022] Open
Abstract
Anaplastic thyroid cancer (ATC) is an extremely aggressive tumor associated with poor prognosis due to a lack of efficient therapies. In Japan, lenvatinib is the only drug approved for patients with ATC; however, its efficacy is limited. Therefore, novel therapeutic strategies are urgently required for patients with ATC. The present study aimed to identify compounds that enhance the antiproliferative effects of lenvatinib in ATC cells using a compound library. IRAK1/4 Inhibitor I was identified as a candidate compound. Combined treatment with lenvatinib and IRAK1/4 Inhibitor I showed synergistic antiproliferative effects via induction of cell cycle arrest at G2/M phase in the ATC cell lines 8305C, HTC/C3, ACT-1, and 8505C. Furthermore, IRAK1/4 Inhibitor I enhanced the inhibition of ERK phosphorylation by lenvatinib in 8305C, HTC/C3, and 8505C cells. In an HTC/C3 xenograft mouse model, tumor volume was lower in the combined IRAK1/4 Inhibitor I and lenvatinib group compared with that in the vehicle control, IRAK1/4 Inhibitor I, and lenvatinib groups. IRAK1/4 Inhibitor I was identified as a promising compound that enhances the antiproliferative and antitumor effects of lenvatinib in ATC.
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Affiliation(s)
- Yoshifumi Kawamura
- Department of Clinical Oncology, Institute for Development, Aging, and Cancer, Tohoku University, Sendai, Japan
| | - Ken Saijo
- Department of Clinical Oncology, Institute for Development, Aging, and Cancer, Tohoku University, Sendai, Japan
| | - Hiroo Imai
- Department of Clinical Oncology, Institute for Development, Aging, and Cancer, Tohoku University, Sendai, Japan
| | - Chikashi Ishioka
- Department of Clinical Oncology, Institute for Development, Aging, and Cancer, Tohoku University, Sendai, Japan.,Department of Clinical Oncology, Graduate School of Medicine, Tohoku University, Sendai, Japan
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67
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Feng Z, Duan Z, Shi G, Wang Q, Zhou J, Chen Y. Pharmacological inhibition of IRAK1 attenuates colitis-induced tumorigenesis in mice by inhibiting the inflammatory response and epithelial-mesenchymal transition. J Biochem Mol Toxicol 2021; 35:e22838. [PMID: 34273909 DOI: 10.1002/jbt.22838] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 05/03/2021] [Accepted: 06/25/2021] [Indexed: 12/28/2022]
Abstract
Colorectal cancer (CRC) is the third most common type of cancer. Here, we studied the inhibitory effect of IRAK1 and IRAK4 as a preventive strategy using a colitis-induced tumorigenesis mouse model. CRC clinical data were obtained from the Gene Expression Omnibus (GEO). An experimental inflammation-dependent CRC model was induced by treatment with azoxymethane (AOM) and then dextran sodium sulfate (DSS) in C57BL/6 mice. Mice were administered an IRAK1/4 inhibitor by intraperitoneal injection at 3 mg/kg twice each week for 9 weeks. The IRAK1/4 inhibitor attenuated histological changes and prevented tumor growth. Tumor-associated proteins, including p65 and Ki-67, were downregulated by the IRAK1/4 inhibitor in AOM/DSS-treated mice. Additionally, IRAK1/4 inhibitor administration effectively decreased the expression of inflammatory cytokines. Furthermore, we observed that IRAK1/4 inhibitor treatment attenuated colitis-induced tumorigenesis by inhibiting epithelial-mesenchymal transition. These observations indicate that inhibition of IRAK1 and IRAK4 may suppress experimental colitis-induced tumorigenesis by inhibiting inflammatory responses and epithelial-mesenchymal transition.
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Affiliation(s)
- Zeyu Feng
- Department of Colorectal Surgery, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China.,No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Zhenglan Duan
- Department of Colorectal Surgery, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China.,No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Guoping Shi
- No. 1 Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
| | - Qiong Wang
- Central Laboratory, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
| | - Jinyong Zhou
- Central Laboratory, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu, China
| | - Yugen Chen
- Department of Colorectal Surgery, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, Jiangsu, China
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Li W, Wang Y, Tang Y, Lu H, Qi Y, Li G, He H, Lu F, Yang Y, Sun H. Quercetin Alleviates Osteoarthritis Progression in Rats by Suppressing Inflammation and Apoptosis via Inhibition of IRAK1/NLRP3 Signaling. J Inflamm Res 2021; 14:3393-3403. [PMID: 34295174 PMCID: PMC8291879 DOI: 10.2147/jir.s311924] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 06/29/2021] [Indexed: 12/28/2022] Open
Abstract
Introduction Quercetin was recently reported to help protect against osteoarthritis (OA) progression, but the molecular mechanism for that protective affect remains unclear. Methods Here, OA model rats were intraperitoneally injected with quercetin, and the severity of cartilage damage in the rats was evaluated by H&E, Safranin O, and Toluidine blue, as well as by using the Osteoarthritis Research Society International (OARSI) Scoring System. Additionally, rat chondrocytes were treated with quercetin and then stimulated with IL-1β. The levels of pro-inflammatory cytokines (IL-1β, IL-18, and TNF-α) were detected by ELISA.Cell apoptosis was evaluated by flow cytometry and Hoechst staining. ROS levels were measured using a DCFH-DA probe. Protein expression was evaluated by Western blotting, immunohistochemical staining, and immunofluorescence. Results Our data showed that quercetin attenuated the degeneration and erosion of articular cartilage, suppressed inflammation and apoptosis, and downregulated the levels of IRAK1, NLRP3, and caspase-3 expression. In vitro data showed that overexpression of NLRP3 could reverse the suppressive effect of quercetin on IL-1β-induced rat chondrocyte injuries. Importantly, rescue experiments confirmed that quercetin inhibited IL-1β-induced rat chondrocyte injuries in vitro by suppressing the IRAK1/NLRP3 signaling pathway. Conclusion Our study indicated that quercetin inhibits IL-1β-induced inflammation and cartilage degradation by suppressing the IRAK1/NLRP3 signaling pathway.
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Affiliation(s)
- Wenjun Li
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
| | - Yeyang Wang
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
| | - Yaqin Tang
- Department of Internal Medicine, The First Affiliated Hospital of Guangzhou University of Traditional Chinese Medicine and Pharmacology, Guangzhou, Guangdong Province, 510405, People's Republic of China
| | - Hanyu Lu
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
| | - Yong Qi
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
| | - Guitao Li
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
| | - Hebei He
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
| | - Fanglian Lu
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
| | - Yixin Yang
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
| | - Hongtao Sun
- Department of Orthopedics, Guangdong Second Provincial General Hospital, Guangzhou, 510317, Guangdong Province, People's Republic of China
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Genetic factors affect the susceptibility to bacterial infections in diabetes. Sci Rep 2021; 11:9464. [PMID: 33947878 PMCID: PMC8096814 DOI: 10.1038/s41598-021-88273-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/23/2021] [Indexed: 11/17/2022] Open
Abstract
Diabetes increases the risk of bacterial infections. We investigated whether common genetic variants associate with infection susceptibility in Finnish diabetic individuals. We performed genome-wide association studies and pathway analysis for bacterial infection frequency in Finnish adult diabetic individuals (FinnDiane Study; N = 5092, Diabetes Registry Vaasa; N = 4247) using national register data on antibiotic prescription purchases. Replication analyses were performed in a Swedish diabetic population (ANDIS; N = 9602) and in a Finnish non-diabetic population (FinnGen; N = 159,166). Genome-wide data indicated moderate but significant narrow-sense heritability for infection susceptibility (h2 = 16%, P = 0.02). Variants on chromosome 2 were associated with reduced infection susceptibility (rs62192851, P = 2.23 × 10–7). Homozygotic carriers of the rs62192851 effect allele (N = 44) had a 37% lower median annual antibiotic purchase rate, compared to homozygotic carriers of the reference allele (N = 4231): 0.38 [IQR 0.22–0.90] and 0.60 [0.30–1.20] respectively, P = 0.01). Variants rs6727834 and rs10188087, in linkage disequilibrium with rs62192851, replicated in the FinnGen-cohort (P < 0.05), but no variants replicated in the ANDIS-cohort. Pathway analysis suggested the IRAK1 mediated NF-κB activation through IKK complex recruitment-pathway to be a mediator of the phenotype. Common genetic variants on chromosome 2 may associate with reduced risk of bacterial infections in Finnish individuals with diabetes.
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Shi S, Wan F, Zhou Z, Tao R, Lu Y, Zhou M, Liu F, Liu Y. Identification of key regulators responsible for dysregulated networks in osteoarthritis by large-scale expression analysis. J Orthop Surg Res 2021; 16:259. [PMID: 33853636 PMCID: PMC8045172 DOI: 10.1186/s13018-021-02402-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 04/06/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Osteoarthritis (OA) is a worldwide musculoskeletal disorder. However, disease-modifying therapies for OA are not available. Here, we aimed to characterize the molecular signatures of OA and to identify novel therapeutic targets and strategies to improve the treatment of OA. METHODS We collected genome-wide transcriptome data performed on 132 OA and 74 normal human cartilage or synovium tissues from 7 independent datasets. Differential gene expression analysis and functional enrichment were performed to identify genes and pathways that were dysregulated in OA. The computational drug repurposing method was used to uncover drugs that could be repurposed to treat OA. RESULTS We identified several pathways associated with the development of OA, such as extracellular matrix organization, inflammation, bone development, and ossification. By protein-protein interaction (PPI) network analysis, we prioritized several hub genes, such as JUN, CDKN1A, VEGFA, and FOXO3. Moreover, we repurposed several FDA-approved drugs, such as cardiac glycosides, that could be used in the treatment of OA. CONCLUSIONS We proposed that the hub genes we identified would play a role in cartilage homeostasis and could be important diagnostic and therapeutic targets. Drugs such as cardiac glycosides provided new possibilities for the treatment of OA.
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Affiliation(s)
- Song Shi
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Fuyin Wan
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Zhenyu Zhou
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Ran Tao
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Yue Lu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Ming Zhou
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Fan Liu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.
| | - Yake Liu
- Department of Orthopaedics, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.
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Liu L, Liu S, Deng P, Liang Y, Xiao R, Tang LQ, Chen J, Chen QY, Guan P, Yan SM, Huang X, Hong JH, Chen J, Sun Y, Teh BT, Yu Q, Mai HQ, Tan J. Targeting the IRAK1-S100A9 Axis Overcomes Resistance to Paclitaxel in Nasopharyngeal Carcinoma. Cancer Res 2021; 81:1413-1425. [PMID: 33402387 DOI: 10.1158/0008-5472.can-20-2125] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 10/19/2020] [Accepted: 12/31/2020] [Indexed: 11/16/2022]
Abstract
Novel strategies to treat late-stage nasopharyngeal carcinoma that often develop resistance to chemotherapy remains an unmet clinical demand. In this study, we identify the multi-kinase inhibitor pacritinib as capable of resensitizing the response to paclitaxel in an acquired resistance model. Transcriptome analysis of paclitaxel-sensitive and -resistant cell lines, as well as chemorefractory clinical samples, identified S100A9 as the top candidate gene suppressed by pacritinib and whose overexpression was significantly associated with paclitaxel resistance and poor clinical outcome. Moreover, both paclitaxel-resistant nasopharyngeal carcinoma cells and relapsed/metastatic clinical samples exhibited increased IRAK1 phosphorylation and demonstrated that pacritinib could abolish the IRAK1 phosphorylation to suppress S100A9 expression. Functional studies in both in vitro and in vivo models showed that genetic or pharmacologic blockade of IRAK1 overcame the resistance to paclitaxel, and combined treatment of pacritinib with paclitaxel exhibited superior antitumor effect. Together, these findings demonstrate an important role for the IRAK1-S100A9 axis in mediating resistance to paclitaxel. Furthermore, targeting of IRAK1 by pacritinib may provide a novel therapeutic strategy to overcome chemoresistance in nasopharyngeal carcinoma. SIGNIFICANCE: Deregulation of the IRAK1-S100A9 axis correlates with poor prognosis, contributes to chemoresistance in nasopharyngeal carcinoma, and can be targeted by pacritinib to overcome chemoresistance in nasopharyngeal carcinoma.
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Affiliation(s)
- Lizhen Liu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Sailan Liu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Peng Deng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yujing Liang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Rong Xiao
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Lin-Quan Tang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Jinghong Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Qiu-Yan Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Peiyong Guan
- Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore
| | - Shu-Mei Yan
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Xiangliang Huang
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Jing Han Hong
- Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore
| | - Jianfeng Chen
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Yichen Sun
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China
| | - Bin Tean Teh
- Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore
- SingleHealth/Duke-NUS Institute of Precision Medicine, National Heart Center Singapore, Singapore
- Laboratory of Cancer Epigenome, Division of Medical Sciences, National Cancer Centre Singapore, Singapore
- Institute of Molecular and Cell Biology, Singapore
| | - Qiang Yu
- Cancer and Stem Cell Biology, Duke-NUS Medical School, Singapore
- Genome Institute of Singapore, Agency for Science, Technology and Research (A*STAR), Biopolis, Singapore
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
| | - Hai-Qiang Mai
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China.
| | - Jing Tan
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine, Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy, Sun Yat-sen University Cancer Center, Guangzhou, China.
- Laboratory of Cancer Epigenome, Division of Medical Sciences, National Cancer Centre Singapore, Singapore
- Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, China
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Liu HC, Han DS, Hsu CC, Wang JS. Circulating MicroRNA-486 and MicroRNA-146a serve as potential biomarkers of sarcopenia in the older adults. BMC Geriatr 2021; 21:86. [PMID: 33516190 PMCID: PMC7847166 DOI: 10.1186/s12877-021-02040-0] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Accepted: 01/19/2021] [Indexed: 01/15/2023] Open
Abstract
Background Age-related sarcopenia meaningfully increases the risks of functional limitations and mortality in the older adults. Although circulating microRNAs (c-miRNAs) are associated with aging-related cellular senescence and inflammation, the relationships between c-miRNAs and sarcopenia in the older adults remain unclear. This study investigates whether circulating myo-miRNAs and inflammation-related miRNAs are associated with sarcopenia in the older adults. Methods This investigation recruited 77 eligible subjects (41 males and 36 females) from 597 community-dwelling older adults, and then divided them into normal (n = 24), dynapenic (loss of muscular function without mass, n = 35), and sarcopenic groups (loss of muscular function with mass, n = 18). Moreover, myo- (c-miRNA-133a and c-miRNA-486) and inflammation- (c-miRNA-21 and c-miRNA-146a) related miRNAs, as well as, inflammatory-related cytokine and peroxide levels in plasma were determined using quantitative polymerase chain reaction and ELISA, respectively. Results Sarcopenic group exhibited lesser skeletal muscle mass index (SMI), handgrip strength, and gait speed, as well as, lower c-miR-486 and c-miR-146a levels, compared to those of normal and dynapenic groups. Moreover, c-miR-486 level was positively related to SMI (r = 0.334, P = 0.003), whereas c-miR-146a level was positively associated with SMI (r = 0.240, P = 0.035) and handgrip strength (r = 0.253, P = 0.027). In the receiver operating characteristic analysis for predicting sarcopenia, the area under the curve in c-miR-486 was 0.708 (95% confidence interval: 0.561–0.855, P = 0.008) and c-miR-146a was 0.676 (95% CI: 0.551–0.801, P = 0.024). However, no significant relationships were observed between SMI/handgrip strength/gait speed and plasma myeloperoxidase/interleukin-1훽/interleukin-6 levels. Conclusions Myo-miRNA (c-miR-486) and inflammation-related miRNA (c-miR-146a) are superior to inflammatory peroxide/cytokines in plasma for serving as critical biomarkers of age-related sarcopenia.
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Affiliation(s)
- Huang-Chun Liu
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan.,Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan
| | - Der-Sheng Han
- Department of Physical Medicine and Rehabilitation, National Taiwan University Hospital, Bei-Hu Branch, Taipei, Taiwan
| | - Chih-Chin Hsu
- Department of Physical Medicine and Rehabilitation, Keelung Chang Gung Memorial Hospital, Keelung, Taiwan
| | - Jong-Shyan Wang
- Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Tao-Yuan, Taiwan. .,Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Tao-Yuan, Taiwan. .,Heart Failure Research Center, Keelung Chang Gung Memorial Hospital, Keelung, Taiwan.
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73
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Zhang Q, Wang SF. miR-330 alleviates dextran sodium sulfate-induced ulcerative colitis through targeting IRAK1 in rats. Kaohsiung J Med Sci 2021; 37:497-504. [PMID: 33508876 DOI: 10.1002/kjm2.12359] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 11/22/2020] [Accepted: 12/21/2020] [Indexed: 02/06/2023] Open
Abstract
Ulcerative colitis (UC) is a chronic multifactorial inflammatory bowel disease that severely impairs patients' life quality. microRNAs (miRNAs) have been reported to exhibit potential therapeutic effects in the management of UC. With the aim to investigate the regulatory effects of miR-330 on UC-related colon tissue damage and inflammation, a rat model of experimental colitis was established by oral administration of dextran sodium sulfate (DSS). DSS-treated rats showed mucosal damage, colonic inflammation, and elevated myeloperoxidase activity compared with the healthy controls. Dual-luciferase reporter assay confirmed the binding of interleukin-1 receptor-associated kinase 1 (IRAK1) and miR-330. Subsequently, rats were intracolonically injected with miR-330 argomir with/without administration of IRAK1 during DSS treatment. The miR-330 overexpression reduced DSS-induced colonic injury and the production of proinflammatory cytokines. The level of IRAK1 was negatively regulated by the expression of miR-330. IRAK1 overexpression abolished the protective effect of miR-330 on DSS-induced colonic inflammation and mucosal injury in rats. In conclusion, we clarify the role of miR-330 in pathogenesis of UC, suggesting miR-330 alleviated DSS-induced colitis by downregulating IRAK1, shedding lights on miR-330 as a therapeutic candidate for UC treatment.
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Affiliation(s)
- Qing Zhang
- Department of Spleen-stomach Hepatobiliary, Lianyungang Hospital of Traditional Chinese Medicine, Jiangsu Province, China
| | - Shu-Fang Wang
- Department of Digestive Internal Medicine, Lianyungang Second People's Hospital, Jiangsu Province, China
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74
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Genetics and Pathogenetic Role of Inflammasomes in Philadelphia Negative Chronic Myeloproliferative Neoplasms: A Narrative Review. Int J Mol Sci 2021; 22:ijms22020561. [PMID: 33429941 PMCID: PMC7827003 DOI: 10.3390/ijms22020561] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/01/2021] [Accepted: 01/06/2021] [Indexed: 12/12/2022] Open
Abstract
The last decade has been very important for the quantity of preclinical information obtained regarding chronic myeloproliferative neoplasms (MPNs) and the following will be dedicated to the translational implications of the new biological acquisitions. The overcoming of the mechanistic model of clonal evolution and the entry of chronic inflammation and dysimmunity into the new model are the elements on which to base a part of future therapeutic strategies. The innate immune system plays a major role in this context. Protagonists of the initiation and regulation of many pathological aspects, from cytokine storms to fibrosis, the NLRP3 and AIM2 inflammasomes guide and condition the natural history of the disease. For this reason, MPNs share many biological and clinical aspects with non-neoplastic diseases, such as autoimmune disorders. Finally, cardiovascular risk and disturbances in iron metabolism and myelopoiesis are also closely linked to the role of inflammasomes. Although targeted therapies are already being tested, an increase in knowledge on the subject is desirable and potentially translates into better care for patients with MPNs.
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75
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Singh AK, Haque M, O'Sullivan K, Chourasia M, Ouseph MM, Ahmed S. Suppression of monosodium urate crystal-induced inflammation by inhibiting TGF-β-activated kinase 1-dependent signaling: role of the ubiquitin proteasome system. Cell Mol Immunol 2021; 18:162-170. [PMID: 31511642 PMCID: PMC7853128 DOI: 10.1038/s41423-019-0284-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 08/19/2019] [Indexed: 12/22/2022] Open
Abstract
Monosodium urate (MSU) crystals activate inflammatory pathways that overlap with interleukin-1β (IL-1β) signaling. However, the post-translational mechanisms involved and the role of signaling proteins in this activation are unknown. In the present study, we investigated the intracellular signaling mechanisms involved in MSU-induced activation of THP-1 macrophages and human nondiseased synovial fibroblasts (NLSFs) and the in vivo efficacy of an inhibitor of tumor growth factor-β (TGF-β)-activated kinase 1 (TAK1), 5Z-7-oxozeaenol, in MSU-induced paw inflammation in C57BL/6 mice. THP-1 macrophage activation with MSU crystals (25-200 µg/ml) resulted in the rapid and sustained phosphorylation of interleukin-1 receptor-activated kinase 1 (IRAK1 Thr209) and TAK1 (Thr184/187) and their association with the E3 ubiquitin ligase TRAF6. At the cellular level, MSU inhibited the deubiquitinases A20 and UCHL2 and increased 20s proteasomal activity, leading to a global decrease in K63-linked ubiquitination and increase in K48-linked ubiquitination in THP-1 macrophages. While MSU did not stimulate cytokine production in NLSFs, it significantly amplified IL-1β-induced IL-6, IL-8, and ENA-78/CXCL5 production. Docking studies and MD simulations followed by TAK1 in vitro kinase assays revealed that uric acid molecules are capable of arresting TAK1 in an active-state conformation, resulting in sustained TAK1 kinase activation. Importantly, MSU-induced proinflammatory cytokine production was completely inhibited by 5Z-7-oxozeaenol but not IRAK1/4 or TRAF6 inhibitors. Administration of 5Z-7-oxozeaenol (5 or 15 mg/kg; orally) significantly inhibited MSU-induced paw inflammation in C57BL/6 mice. Our study identifies a novel post-translational mechanism of TAK1 activation by MSU and suggests the therapeutic potential of TAK1 in regulating MSU-induced inflammation.
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Affiliation(s)
- Anil K Singh
- Department of Pharmaceutical Sciences, Washington State University College of Pharmacy, Spokane, WA, USA
| | - Mahamudul Haque
- Department of Pharmaceutical Sciences, Washington State University College of Pharmacy, Spokane, WA, USA
| | - Kayla O'Sullivan
- Department of Pharmaceutical Sciences, Washington State University College of Pharmacy, Spokane, WA, USA
| | - Mukesh Chourasia
- Center for Computational Biology and Bioinformatics, Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India
| | - Madhu M Ouseph
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Salahuddin Ahmed
- Department of Pharmaceutical Sciences, Washington State University College of Pharmacy, Spokane, WA, USA.
- Division of Rheumatology, University of Washington School of Medicine, Seattle, WA, USA.
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76
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Truong R, Thankam FG, Agrawal DK. Immunological mechanisms underlying sterile inflammation in the pathogenesis of atherosclerosis: potential sites for intervention. Expert Rev Clin Immunol 2020; 17:37-50. [PMID: 33280442 DOI: 10.1080/1744666x.2020.1860757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Introduction: Innate and adaptive immunity play a critical role in the underlying pathological mechanisms of atherosclerosis and potential target sites of sterile inflammation open opportunities to develop novel therapeutics. In response to oxidized LDL in the intimal layer, T cell subsets are recruited and activated at the site of atheroma to upregulate pro-atherogenic cytokines which exacerbate plaque formation instability.Areas covered: A systematic search of PubMed and the Web of Science was performed between January 2001- September 2020 and relevant articles in sterile inflammation and atherosclerosis were critically reviewed. The original information was collected on the interconnection between danger associated molecular patterns (DAMPs) as the mediators of sterile inflammation and the receptor complex of CD36-TLR4-TLR6 that primes and activates inflammasomes in the pathophysiology of atherosclerosis. Mediators of sterile inflammation are identified to target therapeutic strategies in the management of atherosclerosis.Expert opinion: Sterile inflammation via NLRP3 inflammasome is perpetuated by the activation of IL-1β and IL-18 and induction of pyroptosis resulting in the release of additional inflammatory cytokines and DAMPs. Challenges with current inhibitors of the NLRP3 inflammasome lie in the specificity, stability, and efficacy in targeting the NLRP3 inflammasome constituents without ameliorating upstream or downstream responses necessary for survival.
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Affiliation(s)
- Roland Truong
- Department of Translational Research, Western University of Health Sciences, Pomona, CA, USA
| | - Finosh G Thankam
- Department of Translational Research, Western University of Health Sciences, Pomona, CA, USA
| | - Devendra K Agrawal
- Department of Translational Research, Western University of Health Sciences, Pomona, CA, USA
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Chen W, Wei T, Chen Y, Yang L, Wu X. Downregulation of IRAK1 Prevents the Malignant Behavior of Hepatocellular Carcinoma Cells by Blocking Activation of the MAPKs/NLRP3/IL-1β Pathway. Onco Targets Ther 2020; 13:12787-12796. [PMID: 33363384 PMCID: PMC7751837 DOI: 10.2147/ott.s260793] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Accepted: 08/25/2020] [Indexed: 12/29/2022] Open
Abstract
INTRODUCTION Interleukin-1 receptor-associated kinase 1 (IRAK1) was shown to contribute to a variety of cancer-related processes. However, the function of IRAK1 in hepatocellular carcinoma (HCC) pathogenesis has not been investigated in detail. METHODS IRAK1 expression in HCC was examined by immunohistochemistry, qRT-PCR, and Western blot assays. In addition, Huh7 and Hep3B cells were transfected with IRAK1 siRNAs and/or a NOD-like receptor family pyrindomain containing 3 (NLRP3) plasmid. Western blot, EdU staining, and Transwell assays were performed to determine changes of apoptosis, proliferation, migration, and invasion in HCC cells. Moreover, changes in the expression of proteins involved in the MAPKs/NLRP3/IL-1β pathway were confirmed by Western blotting. RESULTS IRAK1 was found to be highly upregulated in HCC tissues and cells. Knockdown of IRAK1 signaling prevented the proliferation, invasion, migration, epithelial-mesenchymal transition (EMT) of HCC cells. Mechanistically, we found that activation of the MAPKs/NLRP3/IL-1β pathway could be markedly suppressed by IRAK1 knockdown in HCC cells. Furthermore, our data showed that NLRP3 could partially reverse the reduced aggressive biological behaviors of HCC cells which were caused by RAK1 knockdown. CONCLUSION Knockdown of IRAK1 prevented HCC progression by inhibiting the ability of NLRP3 to block the MAPKs/IL-1β pathway, suggesting that approach as a strategy for treating HCC.
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Affiliation(s)
- Wei Chen
- Department of Oncology, People’s Hospital of Huadu District, Guangzhou510800, People’s Republic of China
| | - Tao Wei
- Department of Oncology, People’s Hospital of Huadu District, Guangzhou510800, People’s Republic of China
| | - Yinghua Chen
- Department of Histology and Embryology, School of Basic Medical Sciences, Southern Medical University, Guangzhou510515, People’s Republic of China
| | - Lan Yang
- Department of Laser Beauty, People’s Hospital of Huadu District, Guangzhou510800, People’s Republic of China
| | - Xiaomin Wu
- Department of Oncology, People’s Hospital of Huadu District, Guangzhou510800, People’s Republic of China
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78
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Aberrant Activity of Histone-Lysine N-Methyltransferase 2 (KMT2) Complexes in Oncogenesis. Int J Mol Sci 2020; 21:ijms21249340. [PMID: 33302406 PMCID: PMC7762615 DOI: 10.3390/ijms21249340] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/04/2020] [Accepted: 12/06/2020] [Indexed: 02/06/2023] Open
Abstract
KMT2 (histone-lysine N-methyltransferase subclass 2) complexes methylate lysine 4 on the histone H3 tail at gene promoters and gene enhancers and, thus, control the process of gene transcription. These complexes not only play an essential role in normal development but have also been described as involved in the aberrant growth of tissues. KMT2 mutations resulting from the rearrangements of the KMT2A (MLL1) gene at 11q23 are associated with pediatric mixed-lineage leukemias, and recent studies demonstrate that KMT2 genes are frequently mutated in many types of human cancers. Moreover, other components of the KMT2 complexes have been reported to contribute to oncogenesis. This review summarizes the recent advances in our knowledge of the role of KMT2 complexes in cell transformation. In addition, it discusses the therapeutic targeting of different components of the KMT2 complexes.
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79
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Estermann M, Huang YL, Septiadi D, Ritz D, Liang CY, Jacob F, Drasler B, Petri-Fink A, Heinzelmann-Schwarz V, Rothen-Rutishauser B. Patient-derived and artificial ascites have minor effects on MeT-5A mesothelial cells and do not facilitate ovarian cancer cell adhesion. PLoS One 2020; 15:e0241500. [PMID: 33270665 PMCID: PMC7714103 DOI: 10.1371/journal.pone.0241500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Accepted: 08/07/2020] [Indexed: 12/02/2022] Open
Abstract
The presence of ascites in the peritoneal cavity leads to morphological and functional changes of the peritoneal mesothelial cell layer. Cells loose cell-cell interactions, rearrange their cytoskeleton, activate the production of fibronectin, and change their cell surface morphology in a proinflammatory environment. Moreover, ovarian cancer cell adhesion has been shown to be facilitated by these changes due to increased integrin- and CD44-mediated binding sites. In this study, the biological responsiveness of the human pleural mesothelial cell line MeT-5A to patient-derived and artificial ascites was studied in vitro and adhesion of ovarian cancer cells, i.e. SKOV-3 cells, investigated. Changes were mainly observed in cells exposed to artificial ascites containing higher cytokine concentrations than patient-derived ascites. Interestingly, reduced cell-cell interactions were already observed in untreated MeT-5A cells and effects on tight junction protein expression and permeability upon exposure to ascites were minor. Ascites induced upregulation of CDC42 effector protein 2 expression, which affects stress fiber formation, however significant F-actin reorganization was not observed. Moreover, fibronectin production remained unchanged. Analysis of mesothelial cell surface characteristics showed upregulated expression of intercellular adhesion molecule 1, slightly increased hyaluronic acid secretion and decreased microvillus expression upon exposure to ascites. Nevertheless, the observed changes were not sufficient to facilitate adhesion of SKOV-3 cells on MeT-5A cell layer. This study revealed that MeT-5A cells show a reduced biological responsiveness to the presence of ascites, in contrast to published studies on primary human peritoneal mesothelial cells.
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Affiliation(s)
- Manuela Estermann
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | - Yen-Lin Huang
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Dedy Septiadi
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | - Danilo Ritz
- Proteomics Core Facility, Biozentrum, University of Basel, Basel, Switzerland
| | - Ching-Yeu Liang
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Francis Jacob
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Barbara Drasler
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
| | - Alke Petri-Fink
- Adolphe Merkle Institute, University of Fribourg, Fribourg, Switzerland
- Department of Chemistry, University of Fribourg, Fribourg, Switzerland
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80
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Metovic J, Vignale C, Annaratone L, Osella-Abate S, Maletta F, Rapa I, Cabutti F, Patriarca S, Gallo M, Nikiforov YE, Volante M, Papotti M. The Oncocytic Variant of Poorly Differentiated Thyroid Carcinoma Shows a Specific Immune-Related Gene Expression Profile. J Clin Endocrinol Metab 2020; 105:5906602. [PMID: 32936917 DOI: 10.1210/clinem/dgaa655] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 09/14/2020] [Indexed: 12/24/2022]
Abstract
BACKGROUND Poorly differentiated thyroid cancer (PDTC) is a rare, follicular cell-derived neoplasm with an unfavorable prognosis. The oncocytic variant of PDTC may be associated with even more adverse outcome than classical PDTC cases, but its specific molecular features are largely unknown. Our aim was to explore the immune-related gene expression profile of oncocytic and classical PDTC, in correlation with clinical and pathological characteristics (including programmed death ligand 1 [PD-L1] expression) and outcome, and in comparison with a control group of well-differentiated follicular carcinomas (WDFCs), including conventional follicular carcinomas (FTCs) and Hürthle cell carcinomas (HCCs). METHODS A retrospective series of 48 PDTCs and 24 WDFCs was analyzed by means of NanoString technology employing the nCounter PanCancer Immune Profiling panel. Gene expression data were validated using quantitative real-time polymerase chain reaction. RESULTS Oncocytic PDTCs showed a specific immune-related gene expression profile, with higher expression of LAIR2, CD274, DEFB1, IRAK1, CAMP, LCN2, LY96, and APOE, and lower expression of NOD1, as compared to conventional PDTCs. This molecular signature was associated with increased intratumoral lymphocytic infiltration, PD-L1 expression, and adverse outcome. Three of these genes, CD274, DEFB1, and IRAK1, as well as PD-L1 expression, were also the hallmarks of HCCs as compared to FTCs. By contrast, the panel of genes differentially regulated in PDTCs as compared to WDFCs was unrelated to the oncocytic phenotype. CONCLUSIONS Our results revealed a distinctive immune-related gene expression profile of oncocytic PDTC and confirmed a more aggressive outcome in this cancer subtype. These findings may provide guidance when exploring novel immunotherapeutic options for oncocytic PDTC patients.
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MESH Headings
- Adenocarcinoma, Follicular/genetics
- Adenocarcinoma, Follicular/immunology
- Adenocarcinoma, Follicular/mortality
- Adenocarcinoma, Follicular/pathology
- Adenoma, Oxyphilic/genetics
- Adenoma, Oxyphilic/immunology
- Adenoma, Oxyphilic/mortality
- Adenoma, Oxyphilic/pathology
- Adult
- Aged
- Aged, 80 and over
- Female
- Gene Expression Regulation, Neoplastic
- Humans
- Immunity/genetics
- Male
- Microarray Analysis
- Middle Aged
- Oxyphil Cells/metabolism
- Oxyphil Cells/pathology
- Retrospective Studies
- Thyroid Neoplasms/genetics
- Thyroid Neoplasms/immunology
- Thyroid Neoplasms/mortality
- Thyroid Neoplasms/pathology
- Transcriptome
- Tumor Escape/genetics
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Affiliation(s)
- Jasna Metovic
- Department of Oncology, Pathology Unit of Città della Salute e della Scienza, University of Turin, Turin, Italy
| | - Chiara Vignale
- Department of Oncology, Pathology Unit of Città della Salute e della Scienza, University of Turin, Turin, Italy
| | - Laura Annaratone
- Department of Medical Sciences, Pathology Unit, University of Turin, Turin, Italy
- Candiolo Cancer Institute, Pathology Division, FPO-IRCCS, Candiolo, Italy
| | - Simona Osella-Abate
- Department of Medical Sciences, Pathology Unit, University of Turin, Turin, Italy
| | - Francesca Maletta
- Department of Oncology, Pathology Unit of Città della Salute e della Scienza, University of Turin, Turin, Italy
| | - Ida Rapa
- Department of Oncology, Pathology Unit of San Luigi Hospital, University of Turin, Orbassano, Turin, Italy
| | - Francesco Cabutti
- Department of Oncology, Pathology Unit of Città della Salute e della Scienza, University of Turin, Turin, Italy
| | - Silvia Patriarca
- Piedmont Cancer Registry-CRPT, Città della Salute e della Scienza Hospital, Turin, Italy
| | - Marco Gallo
- Department of Medical Sciences, Oncological Endocrinology Unit, Città della Salute e della Scienza Hospital, University of Turin, Turin, Italy
| | - Yuri E Nikiforov
- Department of Pathology, Division of Molecular Genomic Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Marco Volante
- Department of Oncology, Pathology Unit of San Luigi Hospital, University of Turin, Orbassano, Turin, Italy
| | - Mauro Papotti
- Department of Oncology, Pathology Unit of Città della Salute e della Scienza, University of Turin, Turin, Italy
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81
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Wilcox RA. Janus Family kinase (JAK) inhibitors in HLH and severe COVID-19. Am J Hematol 2020; 95:1448-1451. [PMID: 32918336 DOI: 10.1002/ajh.25985] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 01/20/2023]
Affiliation(s)
- Ryan A. Wilcox
- Division of Hematology/Oncology University of Michigan Cancer Center Ann Arbor Michigan
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82
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Elkahloun AG, Saavedra JM. Candesartan could ameliorate the COVID-19 cytokine storm. Biomed Pharmacother 2020; 131:110653. [PMID: 32942152 PMCID: PMC7439834 DOI: 10.1016/j.biopha.2020.110653] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/07/2020] [Accepted: 08/17/2020] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Angiotensin receptor blockers (ARBs) reducing inflammation and protecting lung and brain function, could be of therapeutic efficacy in COVID-19 patients. METHODS Using GSEA, we compared our previous transcriptome analysis of neurons injured by glutamate and treated with the ARB Candesartan (GSE67036) with transcriptional signatures from SARS-CoV-2 infected primary human bronchial epithelial cells (NHBE) and lung postmortem (GSE147507), PBMC and BALF samples (CRA002390) from COVID-19 patients. RESULTS Hundreds of genes upregulated in SARS-CoV-2/COVID-19 transcriptomes were similarly upregulated by glutamate and normalized by Candesartan. Gene Ontology analysis revealed expression profiles with greatest significance and enrichment, including proinflammatory cytokine and chemokine activity, the NF-kappa B complex, alterations in innate and adaptive immunity, with many genes participating in the COVID-19 cytokine storm. CONCLUSIONS There are similar injury mechanisms in SARS-CoV-2 infection and neuronal injury, equally reduced by ARB treatment. This supports the hypothesis of a therapeutic role for ARBs, ameliorating the COVID-19 cytokine storm.
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Affiliation(s)
- Abdel G Elkahloun
- Comparative Genomics and Cancer Genetics Branch, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892, USA.
| | - Juan M Saavedra
- Department of Pharmacology and Physiology, Georgetown University Medical Center, SE402 Med/Dent, 3900 Reservoir Road, Washington, DC 20057, USA.
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Zhang Q, Sun J, Fu Y, He W, Li Y, Tan H, Xu H, Jiang X. Guttiferone K Exerts the Anti-inflammatory Effect on Mycobacterium Tuberculosis- (H37Ra-) Infected Macrophages by Targeting the TLR/IRAK-1 Mediated Akt and NF- κB Pathway. Mediators Inflamm 2020; 2020:8528901. [PMID: 33100904 PMCID: PMC7569438 DOI: 10.1155/2020/8528901] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/26/2020] [Accepted: 09/16/2020] [Indexed: 12/15/2022] Open
Abstract
Mycobacterium tuberculosis (Mtb) remains a great threat to global health, killing more people than any other single infectious agent and causing uncontrollable inflammation in the host. Poorly controlled inflammatory processes can be deleterious and result in immune exhaustion. The current tuberculosis (TB) control is facing the challenge of drugs deficiency, especially in the context of increasingly multidrug resistant (MDR) TB. Under this circumstance, alternative host-directed therapy (HDT) emerges timely which can be exploited to improve the efficacy of TB treatment and disease prognosis by targeting the host. Here, we established the in vitro infection model of Mtb macrophages with H37Ra strain to seek effective anti-TB active agent. The present study showed that Guttiferone K, isolated from Garcinia yunnanensis , could significantly inhibit Mtb-induced inflammation in RAW264.7 and primary peritoneal macrophages. It was evidenced by the decreased production of inflammatory mediators, including interleukin-1β (IL-1β ), tumor necrosis factor-α (TNF-α ), interleukin-6 (IL-6), inducible nitric oxide synthase (iNOS), and cyclooxygenase-2 (COX-2). Further studies with immunoblotting and immunofluorescence revealed that Guttiferone K obviously inhibits the nuclear factor-kappa B (NF-κ B) both in RAW264.7 and primary peritoneal macrophages relying on the TLR/IRAK-1 pathway. Guttiferone K could also suppress the NLRP3 inflammasome activity and induce autophagy by inhibiting the protein kinase B (p-Akt) and mammalian target of rapamycin (mTOR) phosphorylation at Ser473 and Ser2448 in both cell lines. Thus, Guttiferone K possesses significant anti-inflammatory effect, alleviating Mtb-induced inflammation with an underlying mechanism that targeting on the TLR/IRAK-1 pathway and inhibiting the downstream NF-κ B and Akt/mTOR signaling pathways. Together, Guttiferone K can be an anti-inflammatory agent candidate for the design of new adjunct HDT drugs fighting against tuberculosis.
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Affiliation(s)
- Qingwen Zhang
- Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
- Shanghai Key Laboratory of Molecular Imaging, Shanghai University of Medicine & Health Sciences, 201318 Shanghai, China
| | - Jinxia Sun
- Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
| | - Yan Fu
- Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
| | - Weigang He
- Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
| | - Yinhong Li
- Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
| | - Hongsheng Tan
- Clinical Research Center, Shanghai Jiao Tong University School of Medicine, 200240 Shanghai, China
| | - Hongxi Xu
- Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
| | - Xin Jiang
- Center for Traditional Chinese Medicine and Immunology Research, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, 201203 Shanghai, China
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84
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Melgar K, Walker MM, Jones LM, Bolanos LC, Hueneman K, Wunderlich M, Jiang JK, Wilson KM, Zhang X, Sutter P, Wang A, Xu X, Choi K, Tawa G, Lorimer D, Abendroth J, O'Brien E, Hoyt SB, Berman E, Famulare CA, Mulloy JC, Levine RL, Perentesis JP, Thomas CJ, Starczynowski DT. Overcoming adaptive therapy resistance in AML by targeting immune response pathways. Sci Transl Med 2020; 11:11/508/eaaw8828. [PMID: 31484791 DOI: 10.1126/scitranslmed.aaw8828] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 07/24/2019] [Indexed: 12/17/2022]
Abstract
Targeted inhibitors to oncogenic kinases demonstrate encouraging clinical responses early in the treatment course; however, most patients will relapse because of target-dependent mechanisms that mitigate enzyme-inhibitor binding or through target-independent mechanisms, such as alternate activation of survival and proliferation pathways, known as adaptive resistance. Here, we describe mechanisms of adaptive resistance in FMS-like receptor tyrosine kinase (FLT3)-mutant acute myeloid leukemia (AML) by examining integrative in-cell kinase and gene regulatory network responses after oncogenic signaling blockade by FLT3 inhibitors (FLT3i). We identified activation of innate immune stress response pathways after treatment of FLT3-mutant AML cells with FLT3i and showed that innate immune pathway activation via the interleukin-1 receptor-associated kinase 1 and 4 (IRAK1/4) complex contributes to adaptive resistance in FLT3-mutant AML cells. To overcome this adaptive resistance mechanism, we developed a small molecule that simultaneously inhibits FLT3 and IRAK1/4 kinases. The multikinase FLT3-IRAK1/4 inhibitor eliminated adaptively resistant FLT3-mutant AML cells in vitro and in vivo and displayed superior efficacy as compared to current targeted FLT3 therapies. These findings uncover a polypharmacologic strategy for overcoming adaptive resistance to therapy in AML by targeting immune stress response pathways.
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Affiliation(s)
- Katelyn Melgar
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.,Immunology Graduate Program, Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA
| | - Morgan M Walker
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | | | - Lyndsey C Bolanos
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Kathleen Hueneman
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Mark Wunderlich
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Jian-Kang Jiang
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Kelli M Wilson
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Xiaohu Zhang
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Patrick Sutter
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Amy Wang
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Xin Xu
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Kwangmin Choi
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Gregory Tawa
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | | | | | - Eric O'Brien
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Scott B Hoyt
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA
| | - Ellin Berman
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Christopher A Famulare
- Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - James C Mulloy
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Ross L Levine
- Leukemia Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.,Center for Hematologic Malignancies, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.,Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - John P Perentesis
- Division of Oncology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Craig J Thomas
- Division of Preclinical Innovation, National Center for Advancing Translational Sciences, National Institutes of Health, Bethesda, MD 20892, USA. .,Lymphoid Malignancies Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20829, USA
| | - Daniel T Starczynowski
- Division of Experimental Hematology and Cancer Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA. .,Department of Cancer Biology, University of Cincinnati College of Medicine, Cincinnati, OH 45267, USA
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85
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Wines-Samuelson M, Chowdhury S, Berk BC. Nck1 is a critical adaptor between proatherogenic blood flow, inflammation, and atherosclerosis. J Clin Invest 2020; 130:3968-3970. [PMID: 32657777 PMCID: PMC7410038 DOI: 10.1172/jci138536] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Atherosclerosis is an inflammatory condition of the arteries that has profound incidence and increasing prevalence. Although endothelial cells detect changes in blood flow, how endothelial activation contributes to atherogenic inflammation is not well understood. In this issue of the JCI, Alfaidi et al. used mouse models to explore flow-induced endothelial activation. The authors revealed a role for Nck1 and a specific activator of the innate immune response, the downstream interleukin receptor-associated kinase-1 (IRAK-1) in NF-κB-mediated inflammation and atherosclerosis susceptibility. These results link disturbed blood flow to NF-κB-mediated inflammation, which promotes atherosclerosis, and provide Nck1 as a potential target for the treatment of atherosclerosis.
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86
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Shin HR, Cho WK, Baek IC, Lee NY, Lee YJ, Kim SK, Ahn MB, Suh BK, Kim TG. Polymorphisms of IRAK1 Gene on X Chromosome Is Associated with Hashimoto Thyroiditis in Korean Children. Endocrinology 2020; 161:5851529. [PMID: 32498091 DOI: 10.1210/endocr/bqaa088] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 05/28/2020] [Indexed: 02/06/2023]
Abstract
Autoimmune thyroid disease (AITD) is predominant in females and has been focused on the sexual diploid in immune response. The IL-1 receptor-associated kinase 1 (IRAK1) gene on the X chromosome was recently suggested as strong autoimmune disease-susceptible loci, second to the major histocompatibility complex region. We investigated the frequency of IRAK1 single-nucleotide polymorphisms (SNPs) in children with AITD. In this study, we observed that SNPs of IRAK1 including rs3027898, rs1059703, and rs1059702 in 115 Korean AITD pediatric patients (Graves' disease = 74 [females = 52/males = 22]; Hashimoto disease [HD] = 41 [females = 38/males = 3]; thyroid-associated ophthalmopathy [TAO] = 40 (females = 27/males = 13); without TAO = 75 (females = 63/males = 12); total males = 25, total females = 90; mean age = 11.9 years) and 204 healthy Korean individuals (males = 104/females = 100). The data from cases and controls were analyzed from separate sex-stratified or all combined by χ 2 test for categorical variables and Student t test for numerical variables. Our study revealed that SNPs of IRAK1-associated HD and without TAO but Graves' disease and TAO were not found significant. When cases and controls were analyzed by separate sex, we found that rs3027898 AA, rs1059703 AA, and rs1059702 GG showed disease susceptibility in female AITD, HD, and without TAO. Also, all rs3027898, rs1059703, and rs1059702 were found to be in strong linkage disequilibrium (D' = 0.96-0.98, r2 = 0.83-0.97). The haplotype of 3 SNPs was higher in AITD than in controls (CGA, r2 = 5.42, P = 0.019). Our results suggest that IRAK1 polymorphisms may contribute to the pathogenesis of HD, AITD, and without thyroid-associated ophthalmopathy for females.
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Affiliation(s)
- Hye-Ri Shin
- Catholic Hematopoietic Stem Cell Bank, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Won Kyoung Cho
- Department of Pediatrics, College of Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - In-Cheol Baek
- Catholic Hematopoietic Stem Cell Bank, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Na Yeong Lee
- Department of Pediatrics, College of Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yoon Ji Lee
- Department of Pediatrics, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Seul Ki Kim
- Department of Pediatrics, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Moon Bae Ahn
- Department of Pediatrics, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Byung-Kyu Suh
- Department of Pediatrics, College of Medicine, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Republic of Korea
| | - Tai-Gyu Kim
- Catholic Hematopoietic Stem Cell Bank, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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87
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Long Noncoding RNAs Coregulated by Annexin A7 and JNK in Hepatocellular Carcinoma Cells Identified by Whole-Genome Expression Profiling. BIOMED RESEARCH INTERNATIONAL 2020; 2020:5747923. [PMID: 32775428 PMCID: PMC7399738 DOI: 10.1155/2020/5747923] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 06/19/2020] [Accepted: 07/08/2020] [Indexed: 12/31/2022]
Abstract
Knockdown of Annexin A7 (ANXA7) or C-Jun N-terminal kinase (JNK) inhibits the proliferation, migration, invasion, and lymphatic adhesion of hepatocellular carcinoma (HCC) cells, suggesting that ANXA7 and JNK signaling pathways contribute to HCC growth and lymph node metastasis (LNM). While the intervening molecular pathways are largely unknown, emerging evidence suggests that long noncoding RNAs (lncRNAs) participate in ANXA7 and JNK signaling. To identify potential therapeutic targets for HCC, we screened for lncRNAs differentially expressed among Hca-P cells stably expressing shRNA-ANXA7, shRNA-JNK, or control-shRNA. RNA sequencing identified 216 lncRNAs differentially expressed between shRNA-ANXA7 and control-shRNA cells, of which 101 were downregulated and 115 upregulated, as well as 436 lncRNAs differentially expressed between shRNA-JNK and control-shRNA cells, of which 236 were downregulated and 200 upregulated. Fifty-six lncRNAs were differentially expressed under both ANXA7 and JNK knockdown. We selected 4 of these for verification based on putative involvement in cancer regulation according to GO and KEEG analyses of target genes. Knockdown of ANXA7 or JNK suppressed expression of NONMMUT012084.2, NONMMUT024756.2, and ENSMUST00000130486, and enhanced expression of ENSMUST00000197932. These lncRNAs are intriguing candidate targets for mechanistic analysis of HCC progression and therapeutic intervention.
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88
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Ramadass V, Vaiyapuri T, Tergaonkar V. Small Molecule NF-κB Pathway Inhibitors in Clinic. Int J Mol Sci 2020; 21:E5164. [PMID: 32708302 PMCID: PMC7404026 DOI: 10.3390/ijms21145164] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/07/2020] [Accepted: 07/14/2020] [Indexed: 12/18/2022] Open
Abstract
Nuclear factor kappa B (NF-κB) signaling is implicated in all major human chronic diseases, with its role in transcription of hundreds of gene well established in the literature. This has propelled research into targeting the NF-κB pathways for modulating expression of those genes and the diseases mediated by them. In-spite of the critical, but often promiscuous role played by this pathway and the inhibition causing adverse drug reaction, currently many biologics, macromolecules, and small molecules that modulate this pathway are in the market or in clinical trials. Furthermore, many marketed drugs that were later found to also have NF-κB targeting activity were repurposed for new therapeutic interventions. Despite the rising importance of biologics in drug discovery, small molecules got around 76% of US-FDA (Food and Drug Administration-US) approval in the last decade. This encouraged us to review information regarding clinically relevant small molecule inhibitors of the NF-κB pathway from cell surface receptor stimulation to nuclear signaling. We have also highlighted the underexplored targets in this pathway that have potential to succeed in clinic.
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Affiliation(s)
| | | | - Vinay Tergaonkar
- Institute of Molecular and Cell Biology (IMCB), Singapore 138673, Singapore;
- Department of Pathology, NUS, Singapore 117597, Singapore
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89
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Tagawa T, Serquiña A, Kook I, Ziegelbauer J. Viral non-coding RNAs: Stealth strategies in the tug-of-war between humans and herpesviruses. Semin Cell Dev Biol 2020; 111:135-147. [PMID: 32631785 DOI: 10.1016/j.semcdb.2020.06.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 06/20/2020] [Accepted: 06/24/2020] [Indexed: 12/23/2022]
Abstract
Oncogenic DNA viruses establish lifelong infections in humans, and they cause cancers, often in immunocompromised patients, despite anti-viral immune surveillance targeted against viral antigens. High-throughput sequencing techniques allowed the field to identify novel viral non-coding RNAs (ncRNAs). ncRNAs are ideal factors for DNA viruses to exploit; they are non-immunogenic to T cells, thus viral ncRNAs can manipulate host cells without evoking adaptive immune responses. Viral ncRNAs may still trigger the host innate immune response, but many viruses encode decoys/inhibitors to counter-act and evade recognition. In addition, ncRNAs can be secreted to the extracellular space and influence adjacent cells to create a pro-viral microenvironment. In this review, we present recent progress in understanding interactions between oncoviruses and ncRNAs including small and long ncRNAs, microRNAs, and recently identified viral circular RNAs. In addition, potential clinical applications for ncRNA will be discussed. Extracellular ncRNAs are suggested to be diagnostic and prognostic biomarkers and, with the realization of the importance of viral ncRNAs in tumorigenesis, approaches to target critical viral ncRNAs are emerging. Further understanding of viral utilization of ncRNAs will advance anti-viral therapeutics beyond conventional medication and vaccination.
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Affiliation(s)
- Takanobu Tagawa
- HIV and AIDS Malignancy Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Anna Serquiña
- HIV and AIDS Malignancy Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Insun Kook
- HIV and AIDS Malignancy Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Joseph Ziegelbauer
- HIV and AIDS Malignancy Branch, National Cancer Institute, Bethesda, Maryland 20892, United States.
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90
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Wu X, Wang P, Zhang Y, Gao L, Zheng B, Xu Y, Mo J. Toll-Like Receptor Characterization Correlates with Asthma and Is Predictive of Diagnosis. DNA Cell Biol 2020; 39:1313-1321. [PMID: 32543891 DOI: 10.1089/dna.2020.5543] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Toll-like receptors (TLRs) play crucial roles in the recognition of invading pathogens and the immune system. However, the effect of TLRs in asthma is still not fully known. This study was performed to better understand the role of TLR signatures in asthma. Blood samples from case-control studies (study 1: 348 asthmas and 39 normal controls and validation study 2: 411 asthmas and 87 normal controls) were enrolled. The single-sample gene set enrichment analysis method was performed to quantify the abundance of 21 TLR signatures. Gene ontology analysis and pathway function analysis were conducted for functional analysis, and a protein-protein interaction network was constructed. The area under the curve (AUC) value was used to assess the diagnostic capacity. In this study, TLR2/TLR3/TLR4 pathway, MyD88-dependent/independent TLR pathway, positive regulation of TLR4 pathway, and TLR binding signatures were significantly higher in asthma. Functional analysis showed that biological processes and pathways were still involved in TLR cascades and TLR signaling pathway. Eleven hub TLR-related genes were identified, and further validation demonstrated that the combination of TLR-related genes was a good diagnostic biomarker for asthma (AUC = 0.8). Our study provided more insight into the underlying immune mechanism of how TLR signatures affected asthma. The use of the easy-to-apply TLR-related genes might represent a promising blood-based biomarker for early detection of asthma.
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Affiliation(s)
- Xiaoyu Wu
- Department of Clinical Laboratory, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Pan Wang
- Department of Clinical Laboratory, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Yaqiong Zhang
- Department of Clinical Laboratory, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Lin Gao
- Department of Clinical Laboratory, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Beijia Zheng
- Department of Clinical Laboratory, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Youwen Xu
- Department of Clinical Laboratory, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
| | - Jinggang Mo
- The First Clinical College of Wenzhou Medical University, Wenzhou, Zhejiang, China
- Department of Hepatobiliary Surgery, Taizhou Central Hospital (Taizhou University Hospital), Taizhou, Zhejiang, China
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91
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Jhamat N, Niazi A, Guo Y, Chanrot M, Ivanova E, Kelsey G, Bongcam-Rudloff E, Andersson G, Humblot P. LPS-treatment of bovine endometrial epithelial cells causes differential DNA methylation of genes associated with inflammation and endometrial function. BMC Genomics 2020; 21:385. [PMID: 32493210 PMCID: PMC7268755 DOI: 10.1186/s12864-020-06777-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 05/10/2020] [Indexed: 12/18/2022] Open
Abstract
Background Lipopolysaccharide (LPS) endotoxin stimulates pro-inflammatory pathways and is a key player in the pathological mechanisms involved in the development of endometritis. This study aimed to investigate LPS-induced DNA methylation changes in bovine endometrial epithelial cells (bEECs), which may affect endometrial function. Following in vitro culture, bEECs from three cows were either untreated (0) or exposed to 2 and 8 μg/mL LPS for 24 h. Results DNA samples extracted at 0 h and 24 h were sequenced using reduced representation bisulfite sequencing (RRBS). When comparing DNA methylation results at 24 h to time 0 h, a larger proportion of hypomethylated regions were identified in the LPS-treated groups, whereas the trend was opposite in controls. When comparing LPS groups to controls at 24 h, a total of 1291 differentially methylated regions (DMRs) were identified (55% hypomethylated and 45% hypermethylated). Integration of DNA methylation data obtained here with our previously published gene expression data obtained from the same samples showed a negative correlation (r = − 0.41 for gene promoter, r = − 0.22 for gene body regions, p < 0.05). Differential methylation analysis revealed that effects of LPS treatment were associated with methylation changes for genes involved in regulation of immune and inflammatory responses, cell adhesion, and external stimuli. Gene ontology and pathway analyses showed that most of the differentially methylated genes (DMGs) were associated with cell proliferation and apoptotic processes; and pathways such as calcium-, oxytocin- and MAPK-signaling pathways with recognized roles in innate immunity. Several DMGs were related to systemic inflammation and tissue re-modelling including HDAC4, IRAK1, AKT1, MAP3K6, Wnt7A and ADAMTS17. Conclusions The present results show that LPS altered the DNA methylation patterns of bovine endometrial epithelial cells. This information, combined with our previously reported changes in gene expression related to endometrial function, confirm that LPS activates pro-inflammatory mechanisms leading to perturbed immune balance and cell adhesion processes in the endometrium.
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Affiliation(s)
- Naveed Jhamat
- Department of Animal Breeding and Genetics, Section of Molecular Genetics, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden.,SLU-Global Bioinformatics Centre, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden.,Department of Information Technology, University of the Punjab, Gujranwala Campus, Gujranwala, Pakistan
| | - Adnan Niazi
- Department of Animal Breeding and Genetics, Section of Molecular Genetics, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden. .,SLU-Global Bioinformatics Centre, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden.
| | - Yongzhi Guo
- Department of Clinical Sciences, Division of Reproduction, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden
| | - Metasu Chanrot
- Department of Clinical Sciences, Division of Reproduction, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden.,Faculty of Veterinary Science, Rajamangala University of Technology Srivijaya, Nakhon Si Thammarat, 802 40, Thailand
| | - Elena Ivanova
- Epigenetics Programme, The Babraham Institute, Cambridge, UK
| | - Gavin Kelsey
- Epigenetics Programme, The Babraham Institute, Cambridge, UK.,Centre for Trophoblast Research, University of Cambridge, Cambridge, UK
| | - Erik Bongcam-Rudloff
- Department of Animal Breeding and Genetics, Section of Molecular Genetics, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden.,SLU-Global Bioinformatics Centre, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden
| | - Göran Andersson
- Department of Animal Breeding and Genetics, Section of Molecular Genetics, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden.,Centre for Reproductive Biology in Uppsala, CRU, P.O. Box 7054, 750 07, Uppsala, Sweden
| | - Patrice Humblot
- Department of Clinical Sciences, Division of Reproduction, Swedish University of Agricultural Sciences, Uppsala, 750 07, Sweden
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92
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Jain VG, Kong F, Kallapur SG, Presicce P, Senthamaraikannnan P, Cappelletti M, Chougnet CA, Bhattacharyya S, Pasare C, Muglia LJ. IRAK1 Is a Critical Mediator of Inflammation-Induced Preterm Birth. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2020; 204:2651-2660. [PMID: 32238461 PMCID: PMC7366796 DOI: 10.4049/jimmunol.1901368] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Accepted: 03/10/2020] [Indexed: 01/09/2023]
Abstract
Preterm birth (PTB) is a major cause of neonatal mortality and morbidity, often triggered by chorioamnionitis or intrauterine inflammation (IUI) with or without infection. Recently, there has been a strong association of IL-1 with PTB. We hypothesized that IL-1R-associated kinase 1 (IRAK1), a key signaling mediator in the TLR/IL-1 pathway, plays a critical role in PTB. In human fetal membranes (FM) collected immediately after birth from women delivering preterm, p-IRAK1 was significantly increased in all the layers of FM with chorioamnionitis, compared with no-chorioamnionitis subjects. In a preterm rhesus macaque model of IUI given intra-amniotic LPS, induction of p-IRAK1 and downstream proinflammatory signaling mediators were seen in the FM. In a C57BL/6J wild-type PTB mouse model of IUI given intrauterine LPS, an IRAK1 inhibitor significantly decreased PTB and increased live birth in a dose-dependent manner. Furthermore, IRAK1 knockout mice were protected from LPS-induced PTB, which was seen in wild-type controls. Activation of IRAK1 was maintained by K63-mediated ubiquitination in preterm FM of humans with chorioamnionitis and rhesus and mouse IUI models. Mechanistically, IRAK1 induced PTB in the mouse model of IUI by upregulating expression of COX-2. Thus, our data from human, rhesus, and mouse demonstrates a critical role IRAK1 in IUI and inflammation-associated PTB and suggest it as potential therapeutic target in IUI-induced PTB.
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Affiliation(s)
- Viral G Jain
- Division of Neonatology, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229
| | - Fansheng Kong
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229
| | - Suhas G Kallapur
- Division of Neonatology, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229
- Division of Neonatology, David Geffen School of Medicine at UCLA, University of California, Los Angeles, Los Angeles, CA 90095
| | - Pietro Presicce
- Division of Neonatology, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229
- Division of Neonatology, David Geffen School of Medicine at UCLA, University of California, Los Angeles, Los Angeles, CA 90095
| | | | - Monica Cappelletti
- Division of Neonatology, David Geffen School of Medicine at UCLA, University of California, Los Angeles, Los Angeles, CA 90095
| | - Claire A Chougnet
- Division of Immunobiology, Center for Inflammation and Tolerance, Cincinnati Children's Hospital, Cincinnati, OH 45229; and
| | - Sandip Bhattacharyya
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229
| | - Chandrashekhar Pasare
- Division of Immunobiology, Center for Inflammation and Tolerance, Cincinnati Children's Hospital, Cincinnati, OH 45229; and
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH 45229
| | - Louis J Muglia
- Division of Neonatology, Perinatal Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229;
- Division of Human Genetics, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229
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93
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Seltzer J, Moorad R, Schifano JM, Landis JT, Dittmer DP. Interleukin-1 Receptor-Associated Kinase (IRAK) Signaling in Kaposi Sarcoma-Associated Herpesvirus-Induced Primary Effusion Lymphoma. J Virol 2020; 94:e02123-19. [PMID: 32161170 PMCID: PMC7199399 DOI: 10.1128/jvi.02123-19] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/05/2020] [Indexed: 12/20/2022] Open
Abstract
Kaposi sarcoma-associated herpesvirus (KSHV) is necessary but not sufficient for primary effusion lymphoma (PEL) development. Alterations in cellular signaling pathways are also a characteristic of PEL. Other B cell lymphomas have acquired an oncogenic mutation in the myeloid differentiation primary response 88 (MYD88) gene. The MYD88 L265P mutant results in the activation of interleukin-1 receptor associated kinase (IRAK). To probe IRAK/MYD88 signaling in PEL, we employed CRISPR/Cas9 technology to generate stable deletion clones in BCBL-1Cas9 and BC-1Cas9 cells. To look for off-target effects, we determined the complete exome of the BCBL-1Cas9 and BC-1Cas9 cells. Deletion of either MYD88, IRAK4, or IRAK1 abolished interleukin-1 beta (IL-1β) signaling; however, we were able to grow stable subclones from each population. Transcriptome sequencing (RNA-seq) analysis of IRAK4 knockout cell lines (IRAK4 KOs) showed that the IRAK pathway induced cellular signals constitutively, independent of IL-1β stimulation, which was abrogated by deletion of IRAK4. Transient complementation with IRAK1 increased NF-κB activity in MYD88 KO, IRAK1 KO, and IRAK4 KO cells even in the absence of IL-1β. IL-10, a hallmark of PEL, was dependent on the IRAK pathway, as IRAK4 KOs showed reduced IL-10 levels. We surmise that, unlike B cell receptor (BCR) signaling, MYD88/IRAK signaling is constitutively active in PEL, but that under cell culture conditions, PEL rapidly became independent of this pathway.IMPORTANCE One hundred percent of primary effusion lymphoma (PEL) cases are associated with Kaposi sarcoma-associated herpesvirus (KSHV). PEL cell lines, such as BCBL-1, are the workhorse for understanding this human oncovirus and the host pathways that KSHV dysregulates. Understanding their function is important for developing new therapies as well as identifying high-risk patient groups. The myeloid differentiation primary response 88 (MYD88)/interleukin-1 receptor associated kinase (IRAK) pathway, which has progrowth functions in other B cell lymphomas, has not been fully explored in PEL. By performing CRISPR/Cas9 knockout (KO) studies targeting the IRAK pathway in PEL, we were able to determine that established PEL cell lines can circumvent the loss of IRAK1, IRAK4, and MYD88; however, the deletion clones are deficient in interleukin-10 (IL-10) production. Since IL-10 suppresses T cell function, this suggests that the IRAK pathway may serve a function in vivo and during early-stage development of PEL.
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Affiliation(s)
- Jedediah Seltzer
- Department of Microbiology and Immunology, Center for AIDS Research, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Razia Moorad
- Department of Microbiology and Immunology, Center for AIDS Research, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Jason M Schifano
- Department of Microbiology and Immunology, Center for AIDS Research, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Justin T Landis
- Department of Microbiology and Immunology, Center for AIDS Research, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
| | - Dirk P Dittmer
- Department of Microbiology and Immunology, Center for AIDS Research, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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Li W, Li L, Li W, Chopp M, Venkat P, Zacharek A, Chen Z, Landschoot-Ward J, Chen J. Spleen associated immune-response mediates brain-heart interaction after intracerebral hemorrhage. Exp Neurol 2020; 327:113209. [PMID: 31987832 DOI: 10.1016/j.expneurol.2020.113209] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 01/06/2020] [Accepted: 01/24/2020] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND PURPOSE Intracerebral hemorrhage (ICH) patients frequently encounter cardiovascular complications which may contribute to increased mortality and poor long term outcome. ICH induces systemic oxidative stress and activates peripheral immune responses which are involved in the pathological cascade leading to cardiac dysfunction and heart failure after ICH. We have previously reported that ICH induces progressive cardiac dysfunction in mice without primary cardiac diseases. In this study, we have investigated the role of immune response in mediating cardiac dysfunction post ICH in mice. METHODS Adult male C57BL/6 J mice were randomly assigned to the following groups (n = 8/group): 1) sham control; 2) ICH; 3) splenectomy with ICH (ICH + Spx); 4) splenectomy alone (Spx). Echocardiography was performed at 7 and 28 days after ICH. A battery of neurological and cognitive tests were performed. Flow cytometry, western blot and immunostaining were used to test mechanisms of ICH induced cardiac dysfunction. RESULTS Compared to sham control mice, Spx alone does not induce acute (7 day) or chronic (28 day) cardiac dysfunction. ICH induces significant neurological and cognitive deficits, as well as acute and chronic cardiac dysfunction compared to sham control mice. Mice subjected to ICH + Spx exhibit significantly improved neurological and cognitive function compared to ICH mice. Mice with ICH + Spx also exhibit significantly improved acute and chronic cardiac function compared to ICH mice indicated by increased left ventricular ejection fraction (LVEF) and left ventricular fractional shortening (LVFS), decreased cardiac fibrosis, decreased cardiomyocyte hypertrophy, decreased cardiac infiltration of immune cells and decreased expression of inflammatory factor and oxidative stress in the heart. CONCLUSIONS Our study demonstrates that splenectomy attenuates ICH-induced neurological and cognitive impairment as well as ICH-induced cardiac dysfunction in mice. Inflammatory cell infiltration into heart and immune responses mediated by the spleen may contribute to ICH-induce acute and chronic cardiac dysfunction and pathological cardiac remodeling.
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Affiliation(s)
- Wei Li
- Department of Neurology, Henry Ford Hospital, Detroit, MI 48202, USA.
| | - Linlin Li
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Wenkui Li
- Department of Neurology, Tianjin Neurological Institute, Tianjin Medical University General Hospital, Tianjin 300052, China
| | - Michael Chopp
- Department of Neurology, Henry Ford Hospital, Detroit, MI 48202, USA; Department of Physics, Oakland University, Rochester, MI 48309, USA
| | - Poornima Venkat
- Department of Neurology, Henry Ford Hospital, Detroit, MI 48202, USA
| | - Alex Zacharek
- Department of Neurology, Henry Ford Hospital, Detroit, MI 48202, USA
| | - Zhili Chen
- Department of Neurology, Henry Ford Hospital, Detroit, MI 48202, USA
| | | | - Jieli Chen
- Department of Neurology, Henry Ford Hospital, Detroit, MI 48202, USA.
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95
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RM, a novel resveratrol derivative, attenuates inflammatory responses induced by lipopolysaccharide via selectively increasing the Tollip protein in macrophages: A partial mechanism with therapeutic potential in an inflammatory setting. Int Immunopharmacol 2020; 78:106072. [DOI: 10.1016/j.intimp.2019.106072] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 11/07/2019] [Accepted: 11/21/2019] [Indexed: 02/08/2023]
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Sadangi S, Mohanty A, Paichha M, Gouda S, Saha A, Das S, Samanta M. Molecular characterization and expressional modulation of IRAK1 as downstream signaling adaptor molecule of TLR-signaling pathways in Labeo rohita following PAMPs stimulation and bacterial infections. FISH & SHELLFISH IMMUNOLOGY 2020; 96:161-176. [PMID: 31786344 DOI: 10.1016/j.fsi.2019.11.064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 11/23/2019] [Accepted: 11/27/2019] [Indexed: 06/10/2023]
Abstract
Interleukin-1 receptor associated kinase (IRAK1) is one of the crucial signal transduction mediators in TLR/IL-1R signaling pathways in host immune system. To investigate about it in rohu (Labeo rohita), one of the economically important freshwater fish species in the Indian subcontinent, we cloned, characterized and analyzed its expression following bacterial infection and pathogens associated molecular patterns (PAMPs) stimulation. The full-length cDNA of rohu IRAK1 (LrIRAK1) consisted of 2765 nucleotide (nt) having an ORF of 2115 nt encoding a polypeptide of 704 amino acids (aa) with a molecular mass of 70.4 kDa. Structurally, LrIRAK1 consisted of twenty-nine helix, twelve strands and forty one coils making one N-terminal death domain (19-94 aa) and a central serine threonine kinase catalytic domain (or kinase domain) (188-489aa). In addition to these two prominent domains, LrIRAK1 also contained highly conserved amino acids viz., lysine 215 and aspartic acid 314 and threonine 185, 361 which were reported to be important for kinase and phosphorylation activity respectively in other animals. Similar to higher vertebrates, LrIRAK1 also consisted of CDK1 (cyclin-dependent kinase1) at 338-352 aa; NEK2 (NIMA-related kinase 2) at 47-61 aa; NEK6 (NIMA-related kinase 6) at 581-595 aa and AMPK (AMP- activated protein kinase) motif at 518-538 aa. Phylogenetically, LrIRAK1 is closely related to cave fish, common carp exhibiting high similarity (~95%) and identity (~90%). In the uninfected fish, the LrIRAK1 expression was highest in liver (~11.5 fold) and lowest in blood. In response to Aeromonas hydrophila, Edwardsiella tarda and Bacillus subtilis infection and various TLR and NLR-ligands stimulation, the expression of LrIRAK1 was markedly enhanced at various time points in almost all the tested tissues. These results together suggest the key role of LrIRAK1 in pattern recognition receptors (PRRs)-mediated host defense against pathogenic insults.
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Affiliation(s)
- Sushmita Sadangi
- ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar, Odisha, 751002, India
| | - Arpita Mohanty
- ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar, Odisha, 751002, India
| | - Mahismita Paichha
- ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar, Odisha, 751002, India
| | - Suchismita Gouda
- ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar, Odisha, 751002, India
| | - Ashis Saha
- ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar, Odisha, 751002, India
| | - Surajit Das
- Laboratory of Environmental Microbiology and Ecology (LEnME), Department of Life Science, National Institute of Technology, Rourkela, Odisha, 769 008, India
| | - Mrinal Samanta
- ICAR-Central Institute of Freshwater Aquaculture, Kausalyaganga, Bhubaneswar, Odisha, 751002, India.
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Liu PH, Sidi S. Targeting the Innate Immune Kinase IRAK1 in Radioresistant Cancer: Double-Edged Sword or One-Two Punch? Front Oncol 2019; 9:1174. [PMID: 31799178 PMCID: PMC6866135 DOI: 10.3389/fonc.2019.01174] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 10/18/2019] [Indexed: 01/07/2023] Open
Abstract
Antitumor immunity has emerged as a favorable byproduct of radiation therapy (RT), whereby tumor-associated antigens released from irradiated cells unleash innate and adaptive attacks on tumors located both within and outside the radiation field. RT-induced immune responses further provide actionable targets for overcoming tumor resistance to RT (R-RT); immunotherapy (IT) with checkpoint inhibitors or Toll-like receptor (TLR) agonists can markedly improve, if not synergize with, RT in preclinical models, and several of these drugs are currently investigated as radiosensitizers in patients. In an unbiased chemical-genetic screen in a zebrafish model of tumor R-RT, we unexpectedly found that Interleukin 1 Receptor-Associated Kinase 1 (IRAK1), a core effector of TLR-mediated innate immunity, also functions in live fish and human cancer models to counter RT-induced cell death mediated by the PIDDosome complex (PIDD-RAIDD-caspase-2). IRAK1 acting both as a driver of intrinsic tumor R-RT and as an effector of RT-induced antitumor immunity would, at first glance, pose obvious therapeutic conundrums. IRAK1 inhibitors would be expected to sensitize the irradiated tumor to RT but simultaneously thwart RT-induced antitumor immunity as initiated by stromal dendritic cells. Conversely, TLR agonist-based immunotherapy would be expected to intensify RT-induced antitumor immunity but at the expense of fueling IRAK1-mediated cell survival in the irradiated tumor. We discuss how IRAK1's differential reliance on catalytic activity in the radiation vs. TLR responses might help overcome these hurdles, as well as the crucial importance of developing IRAK1 inhibitors that lack activity against IRAK4, the kinase activity of which is essential for IRAK1 activation in both pathways.
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Affiliation(s)
- Peter H Liu
- Division of Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, NY, United States.,Department of Cell, Developmental and Regenerative Biology, The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Samuel Sidi
- Division of Hematology and Medical Oncology, Icahn School of Medicine at Mount Sinai, Tisch Cancer Institute, New York, NY, United States.,Department of Cell, Developmental and Regenerative Biology, The Graduate School of Biomedical Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States.,Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
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98
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Olcum M, Tastan B, Kiser C, Genc S, Genc K. Microglial NLRP3 inflammasome activation in multiple sclerosis. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2019; 119:247-308. [PMID: 31997770 DOI: 10.1016/bs.apcsb.2019.08.007] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Multiple sclerosis (MS) is a chronic, autoimmune and neuroinflammatory disease of the central nervous system (CNS) mediated by autoreactive T cells directed against myelin antigens. Although the crucial role of adaptive immunity is well established in MS, the contribution of innate immunity has only recently been appreciated. Microglia are the main innate immune cells of the CNS. Similar to other myeloid cells, microglia recognize both exogenous and host-derived endogenous danger signals through pattern recognition receptors (PRRs) localized on their cell surface such as Toll Like receptor 4, or in the cytosol such as NLRP3. The second one is the sensor protein of the multi-molecular NLRP3 inflammasome complex in activated microglia that promotes the maturation and secretion of proinflammatory cytokines, interleukin-1β and interleukin-18. Overactivation of microglia and aberrant activation of the NLRP3 inflammasome have been implicated in the pathogenesis of MS. Indeed, experimental data, together with post-mortem and clinical studies have revealed an increased expression of NLRP3 inflammasome complex elements in microglia and other immune cells. In this review, we focus on microglial NLRP3 inflammasome activation in MS. First, we overview the basic knowledge about MS, microglia and the NLRP3 inflammasome. Then, we summarize studies about microglial NLRP3 inflammasome activation in MS and its animal models. We also highlight experimental therapeutic approaches that target different steps of NLRP inflammasome activation. Finally, we discuss future research avenues and new methods in this rapidly evolving area.
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Affiliation(s)
- Melis Olcum
- Izmir Biomedicine and Genome Center, Dokuz Eylul University Health Campus Balcova, Izmir, Turkey
| | - Bora Tastan
- Izmir Biomedicine and Genome Center, Dokuz Eylul University Health Campus Balcova, Izmir, Turkey; Izmir International Biomedicine and Genome Institute (iBG-Izmir), Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey
| | - Cagla Kiser
- Izmir Biomedicine and Genome Center, Dokuz Eylul University Health Campus Balcova, Izmir, Turkey; Izmir International Biomedicine and Genome Institute (iBG-Izmir), Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey
| | - Sermin Genc
- Izmir Biomedicine and Genome Center, Dokuz Eylul University Health Campus Balcova, Izmir, Turkey; Izmir International Biomedicine and Genome Institute (iBG-Izmir), Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey; Department of Neuroscience, Institute of Health and Science, Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey
| | - Kursad Genc
- Department of Neuroscience, Institute of Health and Science, Dokuz Eylul University Health Campus, Balcova, Izmir, Turkey
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Chatzikyriakidou A, Chorti A, Papavramidis T. Association of IRAK1 Gene Polymorphism rs3027898 With Papillary Cancer Restricted to the Thyroid Gland: A Pilot Study. In Vivo 2019; 33:2281-2285. [PMID: 31662568 DOI: 10.21873/invivo.11734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 07/20/2019] [Accepted: 07/24/2019] [Indexed: 12/29/2022]
Abstract
BACKGROUND/AIM The incidence of thyroid cancer has increased predominantly due to an increase in papillary thyroid cancer (PTC). Alteration of toll-like receptor function has been reported to play a crucial role in carcinogenesis. The aim of the present study was to investigate predisposition to PTC associated with genetic markers of toll-like receptor and interleukin-1 receptor pathways involving nuclear factor kappa-light-chain-enhancer of activated B-cells (NF-ĸB) stimulation. Specifically, the study focused on the following genes: interleukin-1 receptor-associated kinase 1 (IRAK1, rs3027898), NF-ĸB inhibitor alpha (NFKBIA, rs696), NF-ĸB subunit 1 (NFKB1, rs28362491), and microRNA-146a (miR-146a, rs2910164). PATIENTS AND METHODS Forty-eight unrelated patients with papillary cancer restricted to the thyroid gland and 93 healthy volunteers were enrolled in the study. RESULTS A strong statistically significant difference was observed between patients with PTC and controls for IRAK1 rs3027898 variant. When the statistical analysis was replicated taking into account patient's sex, the rs3027898 A allele was revealed to be the risky variant in males. CONCLUSION Additional studies in larger groups of patients of various origins are needed to validate these preliminary findings.
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Affiliation(s)
- Anthoula Chatzikyriakidou
- Laboratory of Medical Biology - Genetics, Faculty of Medicine, School of Health Sciences, Aristotle University, Thessaloniki, Greece
| | - Angeliki Chorti
- First Propedeutic Department of Surgery, AHEPA University Hospital, Faculty of Medicine, School of Health Sciences, Aristotle University, Thessaloniki, Greece
| | - Theodosios Papavramidis
- First Propedeutic Department of Surgery, AHEPA University Hospital, Faculty of Medicine, School of Health Sciences, Aristotle University, Thessaloniki, Greece
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Singer JW, Al-Fayoumi S, Taylor J, Velichko S, O'Mahony A. Comparative phenotypic profiling of the JAK2 inhibitors ruxolitinib, fedratinib, momelotinib, and pacritinib reveals distinct mechanistic signatures. PLoS One 2019; 14:e0222944. [PMID: 31560729 PMCID: PMC6764664 DOI: 10.1371/journal.pone.0222944] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 09/10/2019] [Indexed: 02/06/2023] Open
Abstract
Janus kinase-signal transducers and activators of transcription (JAK-STAT) signaling is critical to multiple cellular processes, including survival, differentiation, and proliferation. JAK-STAT signaling dysregulation has been noted in inflammatory disorders, and aberrant JAK2 pathway activation has been implicated in myelofibrosis and polycythemia vera. Moreover, 4 therapeutic JAK2 inhibitors (ruxolitinib, fedratinib, momelotinib, and pacritinib) have either been approved or are in advanced clinical development for myelofibrosis. Although all inhibit JAK2, reports indicate that they also inhibit other kinases. Profiling based solely on in vitro potencies is insufficient to predict the observed clinical effects. To provide further translational insights into clinical outcomes, we compared phenotypic biomarker profiles of ruxolitinib, fedratinib, momelotinib, and pacritinib in the BioMAP® Diversity PLUS panel of 12 human primary cell systems designed to recapitulate key aspects of tissue and disease states. Biomarker activity profiles that represent mechanistic signatures for each agent were compared with each other and a database of reference benchmark profiles. At clinically relevant concentrations, these agents had distinct biomarker impacts indicating diverse mechanistic signatures, suggesting divergent clinical effects for each agent. They disparately modulated inflammatory cytokine production and immune function. At clinically relevant concentrations, ruxolitinib had the broadest scope of activities across all 12 cellular systems, whereas pacritinib was more specific for the BT system (modelling T cell-dependent B cell activation) and exhibited the strongest inhibition of sIL-17A, sIL-2, and sIL-6. All 4 agents were antiproliferative to B cells, but ruxolitinib and momelotinib were also antiproliferative to T cells. These differential activities likely reflect distinct secondary pharmacology for these agents known primarily as JAK2 inhibitors. The phenotypic analysis reported herein represents key data on distinct modes-of-action that may provide insights on clinical outcomes reported for these agents. Such translational findings may also inform the development of next-generation molecules with improved efficacy and safety.
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Affiliation(s)
- Jack W Singer
- CTI BioPharma Corp., Seattle, Washington, United States of America.,Elson Floyd College of Medicine, Washington State University, Seattle, Washington, United States of America
| | | | - Jason Taylor
- CTI BioPharma Corp., Seattle, Washington, United States of America
| | - Sharlene Velichko
- Eurofins Discovery, Phenotypic Services, Burlingame, California, United States of America
| | - Alison O'Mahony
- Eurofins Discovery, Phenotypic Services, Burlingame, California, United States of America
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