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Sulsenti R, Scialpi GB, Frossi B, Botti L, Ferri R, Tripodi I, Piva A, Sangaletti S, Pernici D, Cancila V, Romeo F, Chiodoni C, Lecis D, Bianchi F, Fischetti I, Enriquez C, Crivelli F, Bregni M, Renne G, Pece S, Tripodo C, Pucillo CE, Colombo MP, Jachetti E. Intracellular Osteopontin Promotes the Release of TNFα by Mast Cells to Restrain Neuroendocrine Prostate Cancer. Cancer Immunol Res 2024; 12:1147-1169. [PMID: 38869181 PMCID: PMC11369624 DOI: 10.1158/2326-6066.cir-23-0792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 03/28/2024] [Accepted: 06/11/2024] [Indexed: 06/14/2024]
Abstract
Neuroendocrine prostate cancer (NEPC) is an aggressive form of prostate cancer that emerges as tumors become resistant to hormone therapies or, rarely, arises de novo in treatment-naïve patients. The urgent need for effective therapies against NEPC is hampered by the limited knowledge of the biology governing this lethal disease. Based on our prior observations in the transgenic adenocarcinoma of the mouse prostate (TRAMP) spontaneous prostate cancer model, in which the genetic depletion of either mast cells (MC) or the matricellular protein osteopontin (OPN) increases NEPC frequency, we tested the hypothesis that MCs can restrain NEPC through OPN production, using in vitro co-cultures between murine or human tumor cell lines and MCs, and in vivo experiments. We unveiled a role for the intracellular isoform of OPN, so far neglected compared with the secreted isoform. Mechanistically, we unraveled that the intracellular isoform of OPN promotes TNFα production in MCs via the TLR2/TLR4-MyD88 axis, specifically triggered by the encounter with NEPC cells. We found that MC-derived TNFα, in turn, hampered the growth of NEPC. We then identified the protein syndecan-1 (SDC1) as the NEPC-specific TLR2/TLR4 ligand that triggered this pathway. Interrogating published single-cell RNA-sequencing data, we validated this mechanism in a different mouse model. Translational relevance of the results was provided by in silico analyses of available human NEPC datasets and by immunofluorescence on patient-derived adenocarcinoma and NEPC lesions. Overall, our results show that MCs actively inhibit NEPC, paving the way for innovative MC-based therapies for this fatal tumor. We also highlight SDC1 as a potential biomarker for incipient NEPC.
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Affiliation(s)
- Roberta Sulsenti
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Giuseppina B. Scialpi
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Barbara Frossi
- Immunology Section, Department of Medicine, University of Udine, Udine, Italy.
| | - Laura Botti
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Renata Ferri
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Irene Tripodi
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Annamaria Piva
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Sabina Sangaletti
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Davide Pernici
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Valeria Cancila
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy.
| | - Francesco Romeo
- Dipartimento di Onologia Sperimentale, European Institute of Oncology IRCCS, Milan, Italy.
| | - Claudia Chiodoni
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Daniele Lecis
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Francesca Bianchi
- Microenvironment and Biomarkers in Solid tumors Unit, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Irene Fischetti
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Claudia Enriquez
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Filippo Crivelli
- Oncology-Hematology Unit, ASST Valle Olona, Busto Arsizio, Italy.
| | - Marco Bregni
- Oncology-Hematology Unit, ASST Valle Olona, Busto Arsizio, Italy.
| | - Giuseppe Renne
- Uropathology and Intraoperative Diagnostic Division, European Institute of Oncology IRCCS, Milan, Italy.
| | - Salvatore Pece
- Dipartimento di Onologia Sperimentale, European Institute of Oncology IRCCS, Milan, Italy.
| | - Claudio Tripodo
- Tumor Immunology Unit, Department of Health Sciences, University of Palermo, Palermo, Italy.
| | - Carlo E. Pucillo
- Immunology Section, Department of Medicine, University of Udine, Udine, Italy.
| | - Mario P. Colombo
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
| | - Elena Jachetti
- Molecular Immunology Unit, Department of Experimental Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori di Milano, Milan, Italy.
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Sequeira RC, Godad A. Understanding Glycogen Synthase Kinase-3: A Novel Avenue for Alzheimer's Disease. Mol Neurobiol 2024; 61:4203-4221. [PMID: 38064104 DOI: 10.1007/s12035-023-03839-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 11/28/2023] [Indexed: 07/11/2024]
Abstract
Alzheimer's Disease (AD) is the most prevalent form of age-related dementia. Even though a century has passed since the discovery of AD, the exact cause of the disease still remains unknown. As a result, this poses a major hindrance in developing effective therapies for treating AD. Glycogen synthase kinase-3 (GSK-3) is one of the kinases that has been investigated recently as a potential therapeutic target for the treatment of AD. It is also known as human tau protein kinase and is a proline-directed serine-threonine kinase. Since dysregulation of this kinase affects all the major characteristic features of the disease, such as tau phosphorylation, amyloid formation, memory, and synaptic function, it is thought to be a major player in the pathogenesis of AD. In this review, we present the most recent information on the role of this kinase in the onset and progression of AD, as well as significant findings that identify GSK-3 as one of the most important targets for AD therapy. We further discuss the potential of treating AD by targeting GSK-3 and give an overview of the ongoing studies aimed at developing GSK-3 inhibitors in preclinical and clinical investigations.
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Affiliation(s)
- Ronnita C Sequeira
- SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Gate No.1, Mithibai College Campus, Vaikunthlal Mehta Rd, Vile Parle West, Mumbai, Maharashtra, 400056, India
| | - Angel Godad
- SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Gate No.1, Mithibai College Campus, Vaikunthlal Mehta Rd, Vile Parle West, Mumbai, Maharashtra, 400056, India.
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, India.
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3
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Liao Q, He Y, Wu C, Deng Z, Liu J. Hawthorn Fruit (Crataegus spp.) Polysaccharides Exhibit Immunomodulatory Activity on Macrophages via TLR4/NF-κB Signaling Activation. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2024; 79:367-373. [PMID: 38489084 DOI: 10.1007/s11130-024-01160-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/29/2024] [Indexed: 03/17/2024]
Abstract
The immunostimulatory effects and the involved molecular mechanisms of polysaccharides from hawthorn fruit (Crataegus spp.) have not been well understood. In this study, the chemical composition, monosaccharide composition, uronic acid content, and structural features of hawthorn fruit polysaccharides (HFP) and the two collected fractions were analyzed. Both AF1-2 and AF2 have pectic-like structural features rich in galacturonic acid. AF2 showed superior proinflammatory effects on macrophages which significantly increased the secretion of pro-inflammatory cytokines interleukin-1β, interleukin-6, and tumor necrosis factor-α, but not AF1-2. AF2 was found to activate the nuclear factor-κB signaling pathway with suppressed expression of IκBα but up-regulated expression of p-IκBα and nuclear factor-κB P65. The surface binding site of AF2 on macrophage cells was characterized and toll like receptor-4 was responsible for AF2 induced activation of down-stream nuclear factor-κB signaling pathways. AF2 from hawthorn fruit could be potentially used as a natural source of immunomodulator in functional foods.
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Affiliation(s)
- Qiang Liao
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Yanan He
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Chenxuan Wu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Zhiyang Deng
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Jun Liu
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China.
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De Muynck K, Heyerick L, De Ponti FF, Vanderborght B, Meese T, Van Campenhout S, Baudonck L, Gijbels E, Rodrigues PM, Banales JM, Vesterhuus M, Folseraas T, Scott CL, Vinken M, Van der Linden M, Hoorens A, Van Dorpe J, Lefere S, Geerts A, Van Nieuwerburgh F, Verhelst X, Van Vlierberghe H, Devisscher L. Osteopontin characterizes bile duct-associated macrophages and correlates with liver fibrosis severity in primary sclerosing cholangitis. Hepatology 2024; 79:269-288. [PMID: 37535809 PMCID: PMC10789378 DOI: 10.1097/hep.0000000000000557] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 06/29/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND AND AIMS Primary sclerosing cholangitis (PSC) is an immune-mediated cholestatic liver disease for which pharmacological treatment options are currently unavailable. PSC is strongly associated with colitis and a disruption of the gut-liver axis, and macrophages are involved in the pathogenesis of PSC. However, how gut-liver interactions and specific macrophage populations contribute to PSC is incompletely understood. APPROACH AND RESULTS We investigated the impact of cholestasis and colitis on the hepatic and colonic microenvironment, and performed an in-depth characterization of hepatic macrophage dynamics and function in models of concomitant cholangitis and colitis. Cholestasis-induced fibrosis was characterized by depletion of resident KCs, and enrichment of monocytes and monocyte-derived macrophages (MoMFs) in the liver. These MoMFs highly express triggering-receptor-expressed-on-myeloid-cells-2 ( Trem2 ) and osteopontin ( Spp1 ), markers assigned to hepatic bile duct-associated macrophages, and were enriched around the portal triad, which was confirmed in human PSC. Colitis induced monocyte/macrophage infiltration in the gut and liver, and enhanced cholestasis-induced MoMF- Trem2 and Spp1 upregulation, yet did not exacerbate liver fibrosis. Bone marrow chimeras showed that knockout of Spp1 in infiltrated MoMFs exacerbates inflammation in vivo and in vitro , while monoclonal antibody-mediated neutralization of SPP1 conferred protection in experimental PSC. In human PSC patients, serum osteopontin levels are elevated compared to control, and significantly increased in advanced stage PSC and might serve as a prognostic biomarker for liver transplant-free survival. CONCLUSIONS Our data shed light on gut-liver axis perturbations and macrophage dynamics and function in PSC and highlight SPP1/OPN as a prognostic marker and future therapeutic target in PSC.
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Affiliation(s)
- Kevin De Muynck
- Department of Basic & Applied Medical Sciences, Gut-Liver Immunopharmacology Unit, Ghent University, Ghent, Belgium
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
| | - Lander Heyerick
- Department of Basic & Applied Medical Sciences, Gut-Liver Immunopharmacology Unit, Ghent University, Ghent, Belgium
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
| | - Federico F. De Ponti
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
- Laboratory of Myeloid Cell Biology in Tissue Damage and Inflammation, VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Bart Vanderborght
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Hepatology Research Unit, Ghent University, Ghent, Belgium
| | - Tim Meese
- Department of Pharmaceutics, Laboratory of Pharmaceutical Biotechnology, Ghent University, Ghent, Belgium
- NXTGNT, Ghent University, Ghent, Belgium
| | - Sanne Van Campenhout
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Hepatology Research Unit, Ghent University, Ghent, Belgium
| | - Leen Baudonck
- Department of Basic & Applied Medical Sciences, Gut-Liver Immunopharmacology Unit, Ghent University, Ghent, Belgium
| | - Eva Gijbels
- Department of Basic & Applied Medical Sciences, Gut-Liver Immunopharmacology Unit, Ghent University, Ghent, Belgium
- Department of Pharmaceutical and Pharmacological Sciences, Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Pedro M. Rodrigues
- Department of Liver and Gastrointestinal Diseases, Biodonostia Research Institute, Donostia University Hospital, University of the Basque Country (UPV-EHU), Donostia-San Sebastian, Spain
- CIBERehd, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
| | - Jesus M. Banales
- Department of Liver and Gastrointestinal Diseases, Biodonostia Research Institute, Donostia University Hospital, University of the Basque Country (UPV-EHU), Donostia-San Sebastian, Spain
- CIBERehd, Instituto de Salud Carlos III (ISCIII), Madrid, Spain
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
- Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
| | - Mette Vesterhuus
- Department of Transplantation Medicine, Division of Surgery, Inflammatory Medicine and Transplantation, Oslo University Hospital Rikshospitalet, Norwegian PSC Research Center, Oslo, Norway
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Trine Folseraas
- Department of Transplantation Medicine, Division of Surgery, Inflammatory Medicine and Transplantation, Oslo University Hospital Rikshospitalet, Norwegian PSC Research Center, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Norway
- Research Institute of Internal Medicine, Division of Surgery, Inflammatory Medicine and Transplantation, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Charlotte L. Scott
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
- Laboratory of Myeloid Cell Biology in Tissue Damage and Inflammation, VIB-UGent Center for Inflammation Research, Ghent, Belgium
| | - Mathieu Vinken
- Department of Pharmaceutical and Pharmacological Sciences, Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | | | - Anne Hoorens
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Jo Van Dorpe
- Department of Pathology, Ghent University Hospital, Ghent, Belgium
| | - Sander Lefere
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Hepatology Research Unit, Ghent University, Ghent, Belgium
| | - Anja Geerts
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Hepatology Research Unit, Ghent University, Ghent, Belgium
- Department of Gastroenterology and Hepatology, Ghent University Hospital, Ghent, Belgium
| | - Filip Van Nieuwerburgh
- Department of Pharmaceutics, Laboratory of Pharmaceutical Biotechnology, Ghent University, Ghent, Belgium
- NXTGNT, Ghent University, Ghent, Belgium
| | - Xavier Verhelst
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Hepatology Research Unit, Ghent University, Ghent, Belgium
- Department of Gastroenterology and Hepatology, Ghent University Hospital, Ghent, Belgium
| | - Hans Van Vlierberghe
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
- Department of Internal Medicine and Paediatrics, Hepatology Research Unit, Ghent University, Ghent, Belgium
- Department of Gastroenterology and Hepatology, Ghent University Hospital, Ghent, Belgium
| | - Lindsey Devisscher
- Department of Basic & Applied Medical Sciences, Gut-Liver Immunopharmacology Unit, Ghent University, Ghent, Belgium
- Liver Research Center Ghent, Ghent University, Ghent University Hospital, Ghent, Belgium
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Raza SHA, Khan R, Pant SD, Shah MA, Quan G, Feng L, Cheng G, Gui LS, Zan L. Genetic variation in the OPN gene affects milk composition in Chinese Holstein cows. Anim Biotechnol 2023; 34:893-899. [PMID: 34779705 DOI: 10.1080/10495398.2021.2001343] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The aim of this study was to investigate the association between genotypes and haplotypes of OPN, and milk composition in dairy cows. A total of 317 Chinese Holstein cows were genotyped via DNA sequencing in this study. Three single nucleotide polymorphisms (SNPs), g.2916G > A, g.58675C > T and g.58899C > A, and eight haplotypes were identified. Of the eight possible haplotypes, four haplotypes i.e., Hap2 (ACC; 55.30%), Hap6 (GCC, 15.6%), Hap1 (ACA, 13.6%) and Hap4 (ATC, 5.70%), were considered to be major with a cumulative estimated frequency of >90%. Single markers (g.2916G > A and g.58899C > A) and Haplotype Hap6/4 were found to be associated with an increase in butter-fat percentage (p < 0.05). Taken together, our results provided evidence that polymorphisms in OPN are associated with milk composition, and could potentially be used for marker-assisted selection in Chinese Holstein cows.
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Affiliation(s)
| | - Rajwali Khan
- Department of Livestock Management, Breeding and Genetic, The University of Agriculture Peshawar, Pakistan
| | - Sameer D Pant
- Graham Centre for Agricultural Innovation, Charles Sturt University, Australia
| | - Mujahid Ali Shah
- Faculty of Fisheries and Protection of Water, University of South Bohemia in Ceske Budejovice, Czech Republic
| | - Guobo Quan
- Yunnan Animal Science and Veterinary Institute, Kunming, China
| | - Long Feng
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Gong Cheng
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Lin-Sheng Gui
- College of Agriculture and Animal Husbandry, Qinghai University, Xining, China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
- National Beef Cattle Improvement Center, Northwest A&F University, Yangling, China
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Nilsson G, Mottahedin A, Zelco A, Lauschke VM, Ek CJ, Song J, Ardalan M, Hua S, Zhang X, Mallard C, Hagberg H, Leavenworth JW, Wang X. Two different isoforms of osteopontin modulate myelination and axonal integrity. FASEB Bioadv 2023; 5:336-353. [PMID: 37554545 PMCID: PMC10405251 DOI: 10.1096/fba.2023-00030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2023] [Revised: 05/22/2023] [Accepted: 06/06/2023] [Indexed: 08/10/2023] Open
Abstract
Abnormal myelination underlies the pathology of white matter diseases such as preterm white matter injury and multiple sclerosis. Osteopontin (OPN) has been suggested to play a role in myelination. Murine OPN mRNA is translated into a secreted isoform (sOPN) or an intracellular isoform (iOPN). Whether there is an isoform-specific involvement of OPN in myelination is unknown. Here we generated mouse models that either lacked both OPN isoforms in all cells (OPN-KO) or lacked sOPN systemically but expressed iOPN specifically in oligodendrocytes (OLs-iOPN-KI). Transcriptome analysis of isolated oligodendrocytes from the neonatal brain showed that genes and pathways related to increase of myelination and altered cell cycle control were enriched in the absence of the two OPN isoforms in OPN-KO mice compared to control mice. Accordingly, adult OPN-KO mice showed an increased axonal myelination, as revealed by transmission electron microscopy imaging, and increased expression of myelin-related proteins. In contrast, neonatal oligodendrocytes from OLs-iOPN-KI mice compared to control mice showed differential regulation of genes and pathways related to the increase of cell adhesion, motility, and vasculature development, and the decrease of axonal/neuronal development. OLs-iOPN-KI mice showed abnormal myelin formation in the early phase of myelination in young mice and signs of axonal degeneration in adulthood. These results suggest an OPN isoform-specific involvement, and a possible interplay between the isoforms, in myelination, and axonal integrity. Thus, the two isoforms of OPN need to be separately considered in therapeutic strategies targeting OPN in white matter injury and diseases.
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Affiliation(s)
- Gisela Nilsson
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Amin Mottahedin
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Aura Zelco
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Volker M. Lauschke
- Department of Physiology and PharmacologyKarolinska InstituteStockholmSweden
- Dr Margarete Fischer‐Bosch Institute of Clinical PharmacologyStuttgartGermany
- University of TübingenTübingenGermany
| | - C. Joakim Ek
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Juan Song
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
- Henan Key Laboratory of Child Brain InjuryInstitute of Neuroscience and Third Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Maryam Ardalan
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Sha Hua
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
- Department of Cardiology, Ruijin Hospital/Luwan Branch, School of MedicineShanghai Jiao Tong UniversityShanghaiChina
| | - Xiaoli Zhang
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
- Henan Key Laboratory of Child Brain InjuryInstitute of Neuroscience and Third Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
| | - Carina Mallard
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Henrik Hagberg
- Centre of Perinatal Medicine & Health, Department of Obstetrics and Gynaecology, Institute of Clinical Sciences, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
| | - Jianmei W. Leavenworth
- Department of NeurosurgeryUniversity of Alabama at BirminghamBirminghamAlabamaUSA
- Department of MicrobiologyUniversity of Alabama at BirminghamBirminghamAlabamaUSA
| | - Xiaoyang Wang
- Centre of Perinatal Medicine & Health, Department of Physiology, Institute of Neuroscience and Physiology, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
- Henan Key Laboratory of Child Brain InjuryInstitute of Neuroscience and Third Affiliated Hospital of Zhengzhou UniversityZhengzhouChina
- Centre of Perinatal Medicine & Health, Department of Obstetrics and Gynaecology, Institute of Clinical Sciences, Sahlgrenska AcademyUniversity of GothenburgGothenburgSweden
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7
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Rizzello C, Cancila V, Sangaletti S, Botti L, Ratti C, Milani M, Dugo M, Bertoni F, Tripodo C, Chiodoni C, Colombo MP. Intracellular osteopontin protects from autoimmunity-driven lymphoma development inhibiting TLR9-MYD88-STAT3 signaling. Mol Cancer 2022; 21:215. [PMID: 36503430 PMCID: PMC9743519 DOI: 10.1186/s12943-022-01687-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Autoimmune disorders, including Systemic Lupus Erythematosus (SLE), are associated with increased incidence of hematological malignancies. The matricellular protein osteopontin (OPN) has been linked to SLE pathogenesis, as SLE patients show increased serum levels of OPN and often polymorphisms in its gene. Although widely studied for its pro-tumorigenic role in different solid tumours, the role of OPN in autoimmunity-driven lymphomagenesis has not been investigated yet. METHODS To test the role of OPN in the SLE-associated lymphomagenesis, the SLE-like prone Faslpr/lpr mutation was transferred onto an OPN-deficient background. Spleen from Faslpr/lpr and OPN-/-Faslpr/lpr mice, as well as purified B cells, were analysed by histopathology, flow cytometry, Western Blot, immunohistochemistry, immunofluorescence and gene expression profile to define lymphoma characteristics and investigate the molecular mechanisms behind the observed phenotype. OPN cellular localization in primary splenic B cells and mouse and human DLBCL cell lines was assessed by confocal microscopy. Finally, gain of function experiments, by stable over-expression of the secreted (sOPN) and intracellular OPN (iOPN) in OPN-/-Faslpr/lpr -derived DLBCL cell lines, were performed for further validation experiments. RESULTS Despite reduced autoimmunity signs, OPN-/-Faslpr/lpr mice developed splenic lymphomas with higher incidence than Faslpr/lpr counterparts. In situ and ex vivo analysis featured such tumours as activated type of diffuse large B cell lymphoma (ABC-DLBCL), expressing BCL2 and c-MYC, but not BCL6, with activated STAT3 signaling. OPN-/-Faslpr/lpr B lymphocytes showed an enhanced TLR9-MYD88 signaling pathway, either at baseline or after stimulation with CpG oligonucleotides, which mimic dsDNA circulating in autoimmune conditions. B cells from Faslpr/lpr mice were found to express the intracellular form of OPN. Accordingly, gene transfer-mediated re-expression of iOPN, but not of its secreted isoform, into ABC-DLBCL cell lines established from OPN-/-Faslpr/lpr mice, prevented CpG-mediated activation of STAT3, suggesting that the intracellular form of OPN may represent a brake to TLR9 signaling pathway activation. CONCLUSION These data indicate that, in the setting of SLE-like syndrome in which double strand-DNA chronically circulates and activates TLRs, B cell intracellular OPN exerts a protective role in autoimmunity-driven DLBCL development, mainly acting as a brake in the TLR9-MYD88-STAT3 signaling pathway.
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Affiliation(s)
- Celeste Rizzello
- grid.417893.00000 0001 0807 2568Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy
| | - Valeria Cancila
- grid.10776.370000 0004 1762 5517Tumor Immunology Unit, Department of Health Science, University of Palermo School of Medicine, Palermo, Italy
| | - Sabina Sangaletti
- grid.417893.00000 0001 0807 2568Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy
| | - Laura Botti
- grid.417893.00000 0001 0807 2568Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy
| | - Chiara Ratti
- grid.417893.00000 0001 0807 2568Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy
| | - Matteo Milani
- grid.417893.00000 0001 0807 2568Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy
| | - Matteo Dugo
- grid.417893.00000 0001 0807 2568Platform of Integrated Biology, Department of Applied Research and Technology Development, Fondazione IRCCS Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy ,grid.18887.3e0000000417581884Department of Medical Oncology, IRCCS Ospedale San Raffaele, Via Olgettina 60, 20132 Milan, Italy
| | - Francesco Bertoni
- grid.29078.340000 0001 2203 2861Institute of Oncology Research, Faculty of Biomedical Sciences, USI, Via F. Chiesa 5, 6500 Bellinzona, Switzerland ,grid.419922.5Oncology Institute of Southern Switzerland, Ente Ospedialiero Cantonale, Via A. Gallino 12, 6500 Bellinzona, Switzerland
| | - Claudio Tripodo
- grid.10776.370000 0004 1762 5517Tumor Immunology Unit, Department of Health Science, University of Palermo School of Medicine, Palermo, Italy ,grid.7678.e0000 0004 1757 7797FIRC Institute of Molecular Oncology (IFOM), Milan, Italy
| | - Claudia Chiodoni
- grid.417893.00000 0001 0807 2568Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy
| | - Mario P. Colombo
- grid.417893.00000 0001 0807 2568Molecular Immunology Unit, Department of Research, Fondazione IRCCS Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy
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8
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Wang KY, Wang KJ, Ma Q. The expression and significance of p4E-BP1/4E-BP1 in prostate cancer. J Clin Lab Anal 2022; 36:e24332. [PMID: 35257419 PMCID: PMC8993610 DOI: 10.1002/jcla.24332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/17/2022] [Accepted: 02/19/2022] [Indexed: 11/07/2022] Open
Abstract
BACKGROUND Although the phosphorylation of 4E-BP1 that has been detected in high-grade prostate cancer has been reported in previous studies, overexpression of p4E-BP1 and 4EBP1 and their clinical significance in prostate cancer still remain unknown. METHODS One hundred six samples of prostate tissues were collected and analyzed by immunohistochemistry with p4E-BP1 or 4E-BP1 specific antibodies. Everolimus was used to block the phosphorylation of p4E-BP1, and then flow cytometry, clone formation, transwell, and wound healing assays were performed to detect the survival and invasive ability of the prostate cancer cells. RESULTS We found that the expression of 4E-BP1 and p4E-BP1 was higher in prostate cancer tissues than in normal tissues. Interestingly, the expression of p4E-BP1 was significantly associated with Gleason score and lymph node metastasis, but had no obvious correlation with PSA and the presence of bone or visceral metastasis. However, no evident correlation was found between the positive expression of 4E-BP1 and these clinical characteristics. In in vitro experiments, we found similar results as the clinical presentation that 4E-BP1 and p4E-BP1 were low expressed in normal prostate epithelial cells, but in prostate cancer cells, as the malignancy increasing, 4E-BP1 and p4E-BP1 expression also gradually increased. Then, we used Everolimus to inhibit the phosphorylation of 4E-BP1 and found that Everolimus effectively reduced cloning formation, inhibited cell migration, and promoted apoptosis in a dose-dependent manner in PC3 cells. CONCLUSIONS These findings suggest that p4E-BP1 is a potential biomarker and therapy target for prostate cancer, and patients with high expressions of p4E-BP1 may benefit from Everolimus treatment.
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Affiliation(s)
- Kai-Yun Wang
- School of Medicine, Ningbo University, Ningbo, Zhejiang, China
| | - Ke-Jie Wang
- Translational Research Laboratory for Urology, the Key Laboratory of Ningbo City, Ningbo First Hospital, The Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, China.,Ningbo Clinical Research Center for Urological Disease, Ningbo, Zhejiang, China
| | - Qi Ma
- Translational Research Laboratory for Urology, the Key Laboratory of Ningbo City, Ningbo First Hospital, The Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, China.,Ningbo Clinical Research Center for Urological Disease, Ningbo, Zhejiang, China.,Comprehensive Urogenital Cancer Center, Ningbo First Hospital, The Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, China
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9
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Ma D, Qin X, Zhong ZA, Liao H, Chen P, Zhang B. Systematic analysis of myocardial immune progression in septic cardiomyopathy: Immune-related mechanisms in septic cardiomyopathy. Front Cardiovasc Med 2022; 9:1036928. [PMID: 36911241 PMCID: PMC10002421 DOI: 10.3389/fcvm.2022.1036928] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 11/29/2022] [Indexed: 02/26/2023] Open
Abstract
Background The immune infiltration and molecular mechanisms underlying septic cardiomyopathy (SC) have not been completely elucidated. This study aimed to identify key genes related to SC and elucidate the potential molecular mechanisms. Methods The weighted correlation network analysis (WGCNA), linear models for microarray analysis (LIMMA), protein-protein interaction (PPI) network, CIBERSORT, Kyoto Encyclopedia of Genes and Genomes pathway (KEGG), and gene set enrichment analysis (GSEA) were applied to assess the key pathway and hub genes involved in SC. Results We identified 10 hub genes, namely, LRG1, LCN2, PTX3, E LANE, TCN1, CLEC4D, FPR2, MCEMP1, CEACAM8, and CD177. Furthermore, we used GSEA for all genes and online tools to explore the function of the hub genes. Finally, we took the intersection between differential expression genes (DEGs) and hub genes to identify LCN2 and PTX3 as key genes. We found that immune-related pathways played vital roles in SC. LCN2 and PTX3 were key genes in SC progression, which mainly showed an anti-inflammatory effect. The significant immune cells in cardiomyocytes of SC were neutrophils and M2 macrophages. Conclusion These cells may have the potential to be prognostic and therapeutic targets in the clinical management of SC. Excessive anti-inflammatory function and neutrophil infiltration are probably the primary causes of SC.
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Affiliation(s)
- Dunliang Ma
- Guangdong Provincial People's Hospital's Nanhai Hospital, The Second People's Hospital of Nanhai District, Foshan, China
| | - Xianyu Qin
- Department of Thoracic Surgery, The Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhi-An Zhong
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong People's Hospital, Guangzhou, China
| | - Hongtao Liao
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong People's Hospital, Guangzhou, China
| | - Pengyuan Chen
- Guangdong Provincial People's Hospital's Nanhai Hospital, The Second People's Hospital of Nanhai District, Foshan, China
| | - Bin Zhang
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong People's Hospital, Guangzhou, China
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10
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Jiang X, Zhang F, Ji X, Dong F, Yu H, Xue M, Qiu Y, Yang F, Hu X, Bao Z. Lipid-injured hepatocytes release sOPN to improve macrophage migration via CD44 engagement and pFak-NFκB signaling. Cytokine 2021; 142:155474. [PMID: 33647584 DOI: 10.1016/j.cyto.2021.155474] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Revised: 01/29/2021] [Accepted: 02/10/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND The key characteristics in the pathogenesis of nonalcoholic steatohepatitis (NASH) are hepatic lipotoxicity, inflammatory cell infiltration (activated macrophages, in part), and varying degrees of fibrosis. The fatty acid palmitate (PA) can cause hepatocyte cellular dysfunction, but whether and how this process contributes to macrophage-associated inflammation is not well understood. This study aimed to explore whether lipid-injured hepatocytes result in the secretion of osteopontin (sOPN), and how sOPN induces macrophage migration to steatosis hepatocytes. METHODS Human hepatocellular carcinoma HepG2 cells were incubated with PA to establish the lipotoxicity in hepatocytes model in vitro. The released sOPN was isolated, characterized, and applied to macrophage-like cells differentiated from the human monocytic cell line THP-1 cells. C57BL/6 mice were fed either chow or a diet high in fructose-fat-glucose (FFG) to induce NASH in vivo. Some NASH model mice were also given siSPP1 for two weeks to inhibit the expression of OPN. Related tissues were collected and analyzed by histology, immunofluorescence, ELISA, qRT-PCR, and western blotting. RESULTS PA upregulated OPN expression and release in human hepatocytes, which drove the migration of macrophages. Incubation of HepG2 cells with palmitate increased mRNA expression and secretion of OPN in cell culture supernatants. Compared with the BSA and siSPP1 groups, treatment with the supernatant derived from PA-treated hepatocytes promoted macrophage migration and activation. The sOPN induction of macrophage migration occurred via CD44 engagement and activation of the pFak-NFκB signaling pathway. Likewise, administration of siSPP1 to NASH mice inhibited the expression and release of OPN, which was associated with decreased liver dysfunction, inflammatory cell infiltration, and even fibrosis. CONCLUSIONS sOPN, which is released from lipid-injured hepatocytes, emerges as a cytokine driving the migration of macrophages, contributing to an inflammatory response in NASH.
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Affiliation(s)
- Xin Jiang
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Fan Zhang
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Xueying Ji
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Fangyuan Dong
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Huiyuan Yu
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Mengjuan Xue
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Yixuan Qiu
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Fan Yang
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Xiaona Hu
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China.
| | - Zhijun Bao
- Department of Geriatric Medicine, Huadong Hospital, Shanghai Medical College, Fudan University, Shanghai 200040, PR China; Shanghai Key Laboratory of Clinical Geriatric Medicine, Shanghai 200040, PR China; National Clinical Research Center for Ageing and Medicine (Huashan), Shanghai 200040, PR China.
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11
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Cortés-Vieyra R, Silva-García O, Gómez-García A, Gutiérrez-Castellanos S, Álvarez-Aguilar C, Baizabal-Aguirre VM. Glycogen Synthase Kinase 3β Modulates the Inflammatory Response Activated by Bacteria, Viruses, and Parasites. Front Immunol 2021; 12:675751. [PMID: 34017345 PMCID: PMC8129516 DOI: 10.3389/fimmu.2021.675751] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 04/12/2021] [Indexed: 01/12/2023] Open
Abstract
Knowledge of glycogen synthase kinase 3β (GSK3β) activity and the molecules identified that regulate its function in infections caused by pathogenic microorganisms is crucial to understanding how the intensity of the inflammatory response can be controlled in the course of infections. In recent years many reports have described small molecular weight synthetic and natural compounds, proteins, and interference RNA with the potential to regulate the GSK3β activity and reduce the deleterious effects of the inflammatory response. Our goal in this review is to summarize the most recent advances on the role of GSK3β in the inflammatory response caused by bacteria, bacterial virulence factors (i.e. LPS and others), viruses, and parasites and how the regulation of its activity, mainly its inhibition by different type of molecules, modulates the inflammation.
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Affiliation(s)
- Ricarda Cortés-Vieyra
- División de Investigación Clínica, Centro de Investigación Biomédica de Michoacán, Instituto Mexicano del Seguro Social (IMSS), Morelia, Mexico
| | - Octavio Silva-García
- Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
| | - Anel Gómez-García
- División de Investigación Clínica, Centro de Investigación Biomédica de Michoacán, Instituto Mexicano del Seguro Social (IMSS), Morelia, Mexico
| | - Sergio Gutiérrez-Castellanos
- División de Investigación Clínica, Centro de Investigación Biomédica de Michoacán, Instituto Mexicano del Seguro Social (IMSS), Morelia, Mexico
| | - Cleto Álvarez-Aguilar
- Coordinación Auxiliar Médica de Investigación en Salud, IMSS Michoacán, Morelia, Mexico
| | - Víctor M Baizabal-Aguirre
- Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mexico
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12
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Patel S, Werstuck GH. Macrophage Function and the Role of GSK3. Int J Mol Sci 2021; 22:ijms22042206. [PMID: 33672232 PMCID: PMC7926541 DOI: 10.3390/ijms22042206] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 01/18/2023] Open
Abstract
Macrophages are present in nearly all vertebrate tissues, where they respond to a complex variety of regulatory signals to coordinate immune functions involved in tissue development, metabolism, homeostasis, and repair. Glycogen synthase kinase 3 (GSK3) is a ubiquitously expressed protein kinase that plays important roles in multiple pathways involved in cell metabolism. Dysregulation of GSK3 has been implicated in several prevalent metabolic disorders, and recent findings have highlighted the importance of GSK3 activity in the regulation of macrophages, especially with respect to the initiation of specific pathologies. This makes GSK3 a potential therapeutic target for the development of novel drugs to modulate immunometabolic responses. Here, we summarize recent findings that have contributed to our understanding of how GSK3 regulates macrophage function, and we discuss the role of GSK3 in the development of metabolic disorders and diseases.
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Affiliation(s)
- Sarvatit Patel
- Thrombosis and Atherosclerosis Research Institute, 237 Barton Street E, Hamilton, ON L9L 2X2, Canada;
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
| | - Geoff H. Werstuck
- Thrombosis and Atherosclerosis Research Institute, 237 Barton Street E, Hamilton, ON L9L 2X2, Canada;
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
- Department of Medicine, McMaster University, 1280 Main St W, Hamilton, ON L8S 4L8, Canada
- Correspondence: ; Tel.: +1-905-521-2100 (ext. 40747)
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