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Luo M, Zhao F, Cheng H, Su M, Wang Y. Macrophage polarization: an important role in inflammatory diseases. Front Immunol 2024; 15:1352946. [PMID: 38660308 PMCID: PMC11039887 DOI: 10.3389/fimmu.2024.1352946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 03/26/2024] [Indexed: 04/26/2024] Open
Abstract
Macrophages are crucial cells in the human body's innate immunity and are engaged in a variety of non-inflammatory reactions. Macrophages can develop into two kinds when stimulated by distinct internal environments: pro-inflammatory M1-like macrophages and anti-inflammatory M2-type macrophages. During inflammation, the two kinds of macrophages are activated alternatively, and maintaining a reasonably steady ratio is critical for maintaining homeostasis in vivo. M1 macrophages can induce inflammation, but M2 macrophages suppress it. The imbalance between the two kinds of macrophages will have a significant impact on the illness process. As a result, there are an increasing number of research being conducted on relieving or curing illnesses by altering the amount of macrophages. This review summarizes the role of macrophage polarization in various inflammatory diseases, including autoimmune diseases (RA, EAE, MS, AIH, IBD, CD), allergic diseases (allergic rhinitis, allergic dermatitis, allergic asthma), atherosclerosis, obesity and type 2 diabetes, metabolic homeostasis, and the compounds or drugs that have been discovered or applied to the treatment of these diseases by targeting macrophage polarization.
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Affiliation(s)
| | | | | | | | - Yuanmin Wang
- The Third Affiliated Hospital of Zunyi Medical University, The First People’s Hospital of Zunyi, Zunyi, Guizhou, China
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Shi M, Guo K, Liu Y, Cao F, Fan T, Deng Z, Meng Y, Bu M, Ma Z. Role of macrophage polarization in periodontitis promoting atherosclerosis. Odontology 2024:10.1007/s10266-024-00935-z. [PMID: 38573421 DOI: 10.1007/s10266-024-00935-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
Periodontitis is a chronic inflammatory destructive disease occurring in periodontal supporting tissues. Atherosclerosis(AS) is one of the most common cardiovascular diseases. Periodontitis can promote the development and progression of AS. Macrophage polarization is closely related to the development and progression of the above two diseases, respectively. The purpose of this animal study was to evaluate the effect of periodontitis on aortic lesions in atherosclerotic mice and the role of macrophage polarization in this process. 45 ApoE-/-male mice were randomly divided into three groups: control (NC), atherosclerosis (AS), and atherosclerosis with periodontitis (AS + PD). Micro CT, serological testing and pathological testing(hematoxylin-eosin staining, oil red O staining and Masson staining) were used for Evaluate the modeling situation. Immunohistochemistry(IHC) and immunofluorescence(IF) were performed to evaluate macrophage content and macrophage polarization in plaques. Cytokines associated with macrophage polarization were analyzed using quantitative real-time polymerase chain reaction(qRT-PCR) and enzyme-linked immunosorbent assay(Elisa). The expression of macrophages in plaques was sequentially elevated in the NC, AS, and AS + PD groups(P < 0.001). The expression of M1 and M1-related cytokines showed the same trend(P < 0.05). The expression of M2 and M2-related cytokines showed the opposite trend(P < 0.05). The rate of M1/M2 showed that AS + PD > AS > NC. Our preliminary data support that experimental periodontitis can increase the content of macrophage in aortic plaques to exacerbate AS. Meanwhile, experimental periodontitis can increase M1 macrophages, and decrease M2 macrophages, increasing M1/M2 in the plaque.
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Affiliation(s)
- Mingyue Shi
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China
| | - Kaili Guo
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China
| | - Yue Liu
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China
| | - Fengdi Cao
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China
| | - Tiantian Fan
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China
| | - Zhuohang Deng
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China
| | - Yuhan Meng
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China
| | - Mingyang Bu
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China
| | - Zhe Ma
- Department of Preventive Dentistry, Hebei Key Laboratory of Stomatology, Hebei Clinical Research Center for Oral Diseases, School and Hospital of Stomatology, Hebei Medical University, No.383, Zhongshan East Road, Changan District, Shijiazhuang, Hebei, China.
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Wessel MJ, Draaisma LR, Durand-Ruel M, Maceira-Elvira P, Moyne M, Turlan JL, Mühl A, Chauvigné L, Koch PJ, Morishita T, Guggisberg AG, Hummel FC. Multi-focal Stimulation of the Cortico-cerebellar Loop During the Acquisition of a Novel Hand Motor Skill in Chronic Stroke Survivors. Cerebellum 2024; 23:341-354. [PMID: 36802021 PMCID: PMC10951005 DOI: 10.1007/s12311-023-01526-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/31/2023] [Indexed: 02/21/2023]
Abstract
Impairment of hand motor function is a frequent consequence after a stroke and strongly determines the ability to regain a self-determined life. An influential research strategy for improving motor deficits is the combined application of behavioral training and non-invasive brain stimulation of the motor cortex (M1). However, a convincing clinical translation of the present stimulation strategies has not been achieved yet. One alternative and innovative approach is to target the functionally relevant brain network-based architecture, e.g., the dynamic interactions within the cortico-cerebellar system during learning. Here, we tested a sequential multifocal stimulation strategy targeting the cortico-cerebellar loop. Anodal transcranial direct current stimulation (tDCS) was applied simultaneously to a hand-based motor training in N = 11 chronic stroke survivors during four training sessions on two consecutive days. The tested conditions were: sequential multifocal (M1-cerebellum (CB)-M1-CB) vs. monofocal control stimulation (M1-sham-M1-sham). Additionally, skill retention was assessed 1 and 10 days after the training phase. Paired-pulse transcranial magnetic stimulation data were recorded to characterize stimulation response determining features. The application of CB-tDCS boosted motor behavior in the early training phase in comparison to the control condition. No faciliatory effects on the late training phase or skill retention were detected. Stimulation response variability was related to the magnitude of baseline motor ability and short intracortical inhibition (SICI). The present findings suggest a learning phase-specific role of the cerebellar cortex during the acquisition of a motor skill in stroke and that personalized stimulation strategies encompassing several nodes of the underlying brain network should be considered.
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Affiliation(s)
- M J Wessel
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), École Polytechnique Fédérale de Lausanne (EPFL), 9 Chemin des Mines, 1202, Geneva, Switzerland
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), Clinique Romande de Réadaptation, École Polytechnique Fédérale de Lausanne (EPFL Valais), Av. Grand-Champsec 90, 1951, Sion, Switzerland
- University Hospital Würzburg (UKW), Department of Neurology, Josef-Schneider-Str. 11, 97080, Würzburg, Germany
| | - L R Draaisma
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), École Polytechnique Fédérale de Lausanne (EPFL), 9 Chemin des Mines, 1202, Geneva, Switzerland
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), Clinique Romande de Réadaptation, École Polytechnique Fédérale de Lausanne (EPFL Valais), Av. Grand-Champsec 90, 1951, Sion, Switzerland
| | - M Durand-Ruel
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), École Polytechnique Fédérale de Lausanne (EPFL), 9 Chemin des Mines, 1202, Geneva, Switzerland
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), Clinique Romande de Réadaptation, École Polytechnique Fédérale de Lausanne (EPFL Valais), Av. Grand-Champsec 90, 1951, Sion, Switzerland
| | - P Maceira-Elvira
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), École Polytechnique Fédérale de Lausanne (EPFL), 9 Chemin des Mines, 1202, Geneva, Switzerland
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), Clinique Romande de Réadaptation, École Polytechnique Fédérale de Lausanne (EPFL Valais), Av. Grand-Champsec 90, 1951, Sion, Switzerland
| | - M Moyne
- Department of Clinical Neurosciences, Geneva University Hospital (HUG), Geneva, Switzerland
| | - J-L Turlan
- Clinique Romande de Réadaptation (CRR Suva), Sion, Switzerland
| | - A Mühl
- Clinique Romande de Réadaptation (CRR Suva), Sion, Switzerland
| | - L Chauvigné
- Department of Clinical Neurosciences, Geneva University Hospital (HUG), Geneva, Switzerland
| | - P J Koch
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), École Polytechnique Fédérale de Lausanne (EPFL), 9 Chemin des Mines, 1202, Geneva, Switzerland
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), Clinique Romande de Réadaptation, École Polytechnique Fédérale de Lausanne (EPFL Valais), Av. Grand-Champsec 90, 1951, Sion, Switzerland
| | - T Morishita
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), École Polytechnique Fédérale de Lausanne (EPFL), 9 Chemin des Mines, 1202, Geneva, Switzerland
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), Clinique Romande de Réadaptation, École Polytechnique Fédérale de Lausanne (EPFL Valais), Av. Grand-Champsec 90, 1951, Sion, Switzerland
| | - A G Guggisberg
- Department of Clinical Neurosciences, Geneva University Hospital (HUG), Geneva, Switzerland
- Universitäre Neurorehabilitation, Universitätsklinik für Neurologie, Inselspital, University Hospital of Berne, Berne, Switzerland
| | - F C Hummel
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), École Polytechnique Fédérale de Lausanne (EPFL), 9 Chemin des Mines, 1202, Geneva, Switzerland.
- Defitech Chair of Clinical Neuroengineering, Neuro-X Institute (INX) and Brain Mind Institute (BMI), Clinique Romande de Réadaptation, École Polytechnique Fédérale de Lausanne (EPFL Valais), Av. Grand-Champsec 90, 1951, Sion, Switzerland.
- Department of Clinical Neurosciences, Geneva University Hospital (HUG), Geneva, Switzerland.
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Dirand Z, Maraux M, Tissot M, Chatelain B, Supp D, Viennet C, Perruche S, Rolin G. Macrophage phenotype is determinant for fibrosis development in keloid disease. Matrix Biol 2024; 128:79-92. [PMID: 38485100 DOI: 10.1016/j.matbio.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 02/28/2024] [Accepted: 03/06/2024] [Indexed: 04/02/2024]
Abstract
Keloid refers to a fibroproliferative disorder characterized by an accumulation of extracellular matrix (ECM) components at the dermis level, overgrowth beyond initial wound, and formation of tumor-like nodule areas. Treating keloid is still an unmet clinical need and the lack of an efficient therapy is clearly related to limited knowledge about keloid etiology, despite the growing interest of the scientific community in this pathology. In past decades, keloids were often studied in vitro through the sole prism of fibroblasts considered as the major effector of ECM deposition. Nevertheless, development of keloids results from cross-interactions of keloid fibroblasts (KFs) and their surrounding microenvironment, including immune cells such as macrophages. Our study aimed to evaluate the effect of M1 and M2 monocyte-derived macrophages on KFs in vitro. We focused on the effects of the macrophage secretome on fibrosis-related criteria in KFs, including proliferation, migration, differentiation, and ECM synthesis. First, we demonstrated that M2-like macrophages enhanced the fibrogenic profile of KFs in culture. Then, we surprisingly founded that M1-like macrophages can have an anti-fibrogenic effect on KFs, even in a pro-fibrotic environment. These results demonstrate, for the first time, that M1 and M2 macrophage subsets differentially impact the fibrotic fate of KFs in vitro, and suggest that restoring the M1/M2 balance to favor M1 in keloids could be an efficient therapeutic lever to prevent or treat keloid fibrosis.
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Affiliation(s)
- Zélie Dirand
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, 25000 Besançon, France
| | - Mélissa Maraux
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, 25000 Besançon, France
| | - Marion Tissot
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, 25000 Besançon, France; DImaCell Imaging Resource Center, 25000 Besançon, France
| | - Brice Chatelain
- Service de Chirurgie Maxillo-faciale, Stomatologie et Odontologie Hospitalière, CHU Besançon, 25000 Besançon, France
| | - Dorothy Supp
- Department of Surgery, University of Cincinnati College of Medicine, Cincinnati, OH, USA; Scientific Staff, Shriners Children's Ohio, Dayton, Ohio, USA
| | - Céline Viennet
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, 25000 Besançon, France; DImaCell Imaging Resource Center, 25000 Besançon, France
| | - Sylvain Perruche
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, 25000 Besançon, France; MED'INN'Pharma 25000 Besançon, France
| | - Gwenaël Rolin
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, 25000 Besançon, France; DImaCell Imaging Resource Center, 25000 Besançon, France; INSERM CIC-1431, CHU Besançon, 25000 Besançon, France.
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Mancuso M, Cruciani A, Sveva V, Casula E, Brown KE, Di Lazzaro V, Rothwell JC, Rocchi L. Changes in Cortical Activation by Transcranial Magnetic Stimulation Due to Coil Rotation Are Not Attributable to Cranial Muscle Activation. Brain Sci 2024; 14:332. [PMID: 38671984 DOI: 10.3390/brainsci14040332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Revised: 03/26/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
Transcranial magnetic stimulation coupled with electroencephalography (TMS-EEG) allows for the study of brain dynamics in health and disease. Cranial muscle activation can decrease the interpretability of TMS-EEG signals by masking genuine EEG responses and increasing the reliance on preprocessing methods but can be at least partly prevented by coil rotation coupled with the online monitoring of signals; however, the extent to which changing coil rotation may affect TMS-EEG signals is not fully understood. Our objective was to compare TMS-EEG data obtained with an optimal coil rotation to induce motor evoked potentials (M1standard) while rotating the coil to minimize cranial muscle activation (M1emg). TMS-evoked potentials (TEPs), TMS-related spectral perturbation (TRSP), and intertrial phase clustering (ITPC) were calculated in both conditions using two different preprocessing pipelines based on independent component analysis (ICA) or signal-space projection with source-informed reconstruction (SSP-SIR). Comparisons were performed with cluster-based correction. The concordance correlation coefficient was computed to measure the similarity between M1standard and M1emg TMS-EEG signals. TEPs, TRSP, and ITPC were significantly larger in M1standard than in M1emg conditions; a lower CCC than expected was also found. These results were similar across the preprocessing pipelines. While rotating the coil may be advantageous to reduce cranial muscle activation, it may result in changes in TMS-EEG signals; therefore, this solution should be tailored to the specific experimental context.
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Affiliation(s)
- Marco Mancuso
- Department of Human Neuroscience, University of Rome "Sapienza", Viale dell'Università 30, 00185 Rome, Italy
| | - Alessandro Cruciani
- Unit of Neurology, Neurophysiology, Neurobiology, and Psychiatry, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo 21, 00128 Rome, Italy
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo 200, 00128 Rome, Italy
| | - Valerio Sveva
- Department of Anatomical and Histological Sciences, Legal Medicine and Orthopedics, University of Rome "Sapienza", Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Elias Casula
- Department of System Medicine, "Tor Vergata" University of Rome, Via Montpellier 1, 00133 Rome, Italy
| | - Katlyn E Brown
- Department of Kinesiology, University of Waterloo, 200 University Ave W, Waterloo, ON N2L 3G5, Canada
| | - Vincenzo Di Lazzaro
- Unit of Neurology, Neurophysiology, Neurobiology, and Psychiatry, Department of Medicine and Surgery, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo 21, 00128 Rome, Italy
- Fondazione Policlinico Universitario Campus Bio-Medico, Via Alvaro del Portillo 200, 00128 Rome, Italy
| | - John C Rothwell
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK
| | - Lorenzo Rocchi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London WC1N 3BG, UK
- Department of Medical Sciences and Public Health, University of Cagliari, Cittadella Universitaria di Monserrato, Blocco I S.S. 554 bivio per Sestu, Monserrato, 09042 Cagliari, Italy
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Wang H, Wang X, Zhang X, Xu W. The promising role of tumor-associated macrophages in the treatment of cancer. Drug Resist Updat 2024; 73:101041. [PMID: 38198845 DOI: 10.1016/j.drup.2023.101041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 12/16/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024]
Abstract
Macrophages are important components of the immune system. Mature macrophages can be recruited to tumor microenvironment that affect tumor cell proliferation, invasion and metastasis, extracellular matrix remodeling, immune suppression, as well as chemotherapy resistance. Classically activated type I macrophages (M1) exhibited marked tumor killing and phagocytosis. Therefore, using macrophages for adoptive cell therapy has attracted attention and become one of the most effective strategies for cancer treatment. Through cytokines and/or chemokines, macrophage can inhibit myeloid cells recruitment, and activate anti-tumor and immune killing functions. Applying macrophages for anti-tumor delivery is one of the most promising approaches for cancer therapy. This review article introduces the role of macrophages in tumor development and drug resistance, and the possible clinical application of targeting macrophages for overcoming drug resistance and enhancing cancer therapeutics, as well as its challenges.
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Affiliation(s)
- Hongbin Wang
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, PR China; Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, PR China; Department of Surgical Oncology, Harbin Medical University Cancer Hospital, PR China.
| | - Xueying Wang
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, PR China; Otolaryngology Major Disease Research Key Laboratory of Hunan Province, PR China
| | - Xin Zhang
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, PR China; Otolaryngology Major Disease Research Key Laboratory of Hunan Province, PR China
| | - Wanhai Xu
- NHC and CAMS Key Laboratory of Molecular Probe and Targeted Theranostics, Harbin Medical University, PR China; Heilongjiang Key Laboratory of Scientific Research in Urology, Harbin Medical University, PR China; Department of Urology, Harbin Medical University Cancer Hospital, PR China.
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Zhang F, Han Y, Wang H, Li Y, Tang D. Effects of transcranial direct current stimulation on motor learning in healthy elderly individuals: a systematic review and meta-analysis. Somatosens Mot Res 2024:1-11. [PMID: 38319133 DOI: 10.1080/08990220.2024.2310851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 01/02/2024] [Indexed: 02/07/2024]
Abstract
BACKGROUND Transcranial direct current stimulation (tDCS) is widely used in motor recovery. Nevertheless, whether tDCS improves motor learning in healthy older adults is still controversial. This review aims to investigate the effectiveness of tDCS on motor learning in healthy elderly individuals. METHODS The PubMed, Cochrane Library, Web of Science and Embase databases were initially searched from inception to December 5, 2022. The standard mean difference (SMD) with the corresponding 95% confidence intervals (CIs) were analysed via random-effect models. RESULTS Compared with the sham group, no significant effects were found regarding improvement in motor learning based on the speed or accuracy of the task and reaction time for the tDCS intervention group. After subgroup analysis, a significant effect was found for improved motor learning based on reaction time in the primary motor cortex (M1)-cerebellar group. CONCLUSIONS This review revealed that tDCS had no significant effect on improving the speed or accuracy of motor learning in healthy elderly adults. However, it has a significant effect on improving the motor learning ability based on the reaction time of the task (mainly referring to the tDCS stimulation position of M1 and cerebellar), although the results have obvious heterogeneity and uncertainty.
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Affiliation(s)
- Fusheng Zhang
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
- School of Physical Education, Zhaotong University, Zhaotong, China
| | - Yanbai Han
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
| | - Hongli Wang
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
| | - Yong Li
- College of Physical Education and Health, Guangxi Normal University, Guilin, China
| | - Dingyu Tang
- School of Physical Education, Zhaotong University, Zhaotong, China
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Arnosa-Prieto Á, Diaz-Rodriguez P, González-Gómez MA, García-Acevedo P, de Castro-Alves L, Piñeiro Y, Rivas J. Magnetic-driven Interleukin-4 internalization promotes magnetic nanoparticle morphology and size-dependent macrophage polarization. J Colloid Interface Sci 2024; 655:286-295. [PMID: 37944376 DOI: 10.1016/j.jcis.2023.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 10/27/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023]
Abstract
Macrophages are known to depict two major phenotypes: classically activated macrophages (M1), associated with high production of pro-inflammatory cytokines, and alternatively activated macrophages (M2), which present an anti-inflammatory function. A precise control over M1-M2 polarization is a promising strategy in therapeutics to modulate both tissue regeneration and tumor progression processes. However, this is not a simple task as macrophages behave differently depending on the microenvironment. In agreement with this, non-consistent data have been reported regarding macrophages response to magnetic iron oxide nanoparticles (MNPs). To investigate the impact of both tissue microenvironment and MNPs properties on the obtained macrophage responses, single-core (SC) and multi-core (MC) citrate coated MNPs, are synthesized and, afterwards, loaded with a macrophage polarization trigger, IL-4. The developed MNPs are then tested in macrophages subjected to different stimuli. We demonstrate that macrophages treated with low concentrations of MNPs behave differently depending on the polarization stage independently of the concentration of iron. Moreover, we find out that MNPs size and morphology determines the effect of the IL-4 loaded MNPs on M1 macrophages, since IL-4 loaded SC MNPs favor the polarization of M1 macrophages towards M2 phenotype, while IL-4 loaded MC MNPs further stimulate the secretion of pro-inflammatory cytokines.
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Affiliation(s)
- Ángela Arnosa-Prieto
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain.
| | - Patricia Diaz-Rodriguez
- Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, Grupo I+D Farma (GI-1645), Instituto de Materiales (iMATUS), Instituto de Investigación Sanitaria de Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15782, Spain.
| | - Manuel A González-Gómez
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
| | - Pelayo García-Acevedo
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
| | - Lisandra de Castro-Alves
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
| | - Yolanda Piñeiro
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
| | - José Rivas
- NANOMAG Laboratory, Applied Physics Department, Materials Institute (iMATUS) and Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, Santiago de Compostela 15706, Spain
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Flores J, Tang J. Role of N-formyl peptide receptor 2 in germinal matrix hemorrhage: an intrinsic review of a hematoma resolving pathway. Neural Regen Res 2024; 19:350-354. [PMID: 37488889 PMCID: PMC10503603 DOI: 10.4103/1673-5374.379040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/28/2023] [Accepted: 05/04/2023] [Indexed: 07/26/2023] Open
Abstract
Germinal matrix hemorrhage is one of the leading causes of morbidity, mortality, and acquired infantile hydrocephalus in preterm infants in the United States, with little progress made in its clinical management. Blood clots have been shown to elicit secondary brain injury after germinal matrix hemorrhage, by disrupting normal cerebrospinal fluid circulation and absorption after germinal matrix hemorrhage causing post-hemorrhagic hydrocephalus development. Current evidence suggests that rapid hematoma resolution is necessary to improve neurological outcomes after hemorrhagic stroke. Various articles have demonstrated the beneficial effects of stimulating the polarization of microglia cells into the M2 phenotype, as it has been suggested that they play an essential role in the rapid phagocytosis of the blood clot after hemorrhagic models of stroke. N-formyl peptide receptor 2 (FPR2), a G-protein-coupled receptor, has been shown to be neuroprotective after stroke. FPR2 activation has been associated with the upregulation of phagocytic macrophage clearance, yet its mechanism has not been fully explored. Recent literature suggests that FPR2 may play a role in the stimulation of scavenger receptor CD36. Scavenger receptor CD36 plays a vital role in microglia phagocytic blood clot clearance after germinal matrix hemorrhage. FPR2 has been shown to phosphorylate extracellular-signal-regulated kinase 1/2 (ERK1/2), which then promotes the transcription of the dual-specificity protein phosphatase 1 (DUSP1) gene. In this review, we present an intrinsic outline of the main components involved in FPR2 stimulation and hematoma resolution after germinal matrix hemorrhage.
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Affiliation(s)
- Jerry Flores
- Department of Physiology & Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Jiping Tang
- Department of Physiology & Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
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10
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Chen L, Mei W, Song J, Chen K, Ni W, Wang L, Li Z, Ge X, Su L, Jiang C, Liu B, Dai C. CD163 protein inhibits lipopolysaccharide-induced macrophage transformation from M2 to M1 involved in disruption of the TWEAK-Fn14 interaction. Heliyon 2024; 10:e23223. [PMID: 38148798 PMCID: PMC10750081 DOI: 10.1016/j.heliyon.2023.e23223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 11/21/2023] [Accepted: 11/29/2023] [Indexed: 12/28/2023] Open
Abstract
Macrophages play a crucial role in regulating inflammation and innate immune responses, and their polarization into distinct phenotypes, such as M1 and M2, is involved in various diseases. However, the specific role of CD163, a scavenger receptor expressed by macrophages, in the transformation of M2 to M1 macrophages remains unclear. Here, dexamethasone-induced M2 macrophages were treated with lipopolysaccharide (LPS) to induce the transformation of M2 to M1 macrophages. We found that treatment with lipopolysaccharide (LPS) induced the transformation of M2-like macrophages to an M1-like phenotype, as evidenced by increased mRNA levels of Il1b and Tnf, decreased mRNA levels of Cd206 and Il10, and increased TNF-α secretion. Knockdown of CD163 enhanced the phenotypic features of M1 macrophages, while treatment with recombinant CD163 protein (rmCD163) inhibited the LPS-induced M2-to-M1 transformation. Furthermore, LPS stimulation resulted in the activation of P38, ERK, JNK, and NF-κB P65 signaling pathways, and this activation was increased after CD163 knockdown and suppressed after rmCD163 treatment during macrophage transformation. Additionally, we observed that LPS treatment reduced the expression of CD163 in dexamethasone-induced M2 macrophages, leading to a decrease in the CD163-TWEAK complex and an increase in the interaction between TWEAK and Fn14. Overall, our findings suggest that rmCD163 can inhibit the LPS-induced transformation of M2 macrophages to M1 by disrupting the TWEAK-Fn14 interaction and modulating the MAPK-NF-κB pathway.
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Affiliation(s)
- Linjian Chen
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Wanchun Mei
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Juan Song
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Kuncheng Chen
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Wei Ni
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Lin Wang
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Zhaokai Li
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Xiaofeng Ge
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Liuhang Su
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Chenlu Jiang
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Binbin Liu
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
| | - Cuilian Dai
- Xiamen Cardiovascular Hospital, School of Medicine, Xiamen University, Jinshan Road 2999, Xiamen, 361015, China
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11
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Peng Y, Qiao S, Wang H, Shekhar S, Wang S, Yang J, Fan Y, Yang X. Enhancement of Macrophage Immunity against Chlamydial Infection by Natural Killer T Cells. Cells 2024; 13:133. [PMID: 38247825 PMCID: PMC10813948 DOI: 10.3390/cells13020133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/13/2023] [Accepted: 01/08/2024] [Indexed: 01/23/2024] Open
Abstract
Lung macrophage (LM) is vital in host defence against bacterial infections. However, the influence of other innate immune cells on its function, including the polarisation of different subpopulations, remains poorly understood. This study examined the polarisation of LM subpopulations (monocytes/undifferentiated macrophages (Mo/Mφ), interstitial macrophages (IM), and alveolar macrophages (AM)). We further assessed the effect of invariant natural killer T cells (iNKT) on LM polarisation in a protective function against Chlamydia muridarum, an obligate intracellular bacterium, and respiratory tract infection. We found a preferentially increased local Mo/Mφ and IMs with a significant shift to a type-1 macrophage (M1) phenotype and higher expression of iNOS and TNF-α. Interestingly, during the same infection, the alteration of macrophage subpopulations and the shift towards M1 was much less in iNKT KO mice. More importantly, functional testing by adoptively transferring LMs isolated from iNKT KO mice (iNKT KO-Mφ) conferred less protection than those isolated from wild-type mice (WT-Mφ). Further analyses showed significantly reduced gene expression of the JAK/STAT signalling pathway molecules in iNKT KO-Mφ. The data show an important role of iNKT in promoting LM polarisation to the M1 direction, which is functionally relevant to host defence against a human intracellular bacterial infection. The alteration of JAK/STAT signalling molecule gene expression in iNKT KO-Mφ suggests the modulating effect of iNKT is likely through the JAK/STAT pathway.
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Affiliation(s)
- Ying Peng
- Department of Immunology, Rady Max College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
| | - Sai Qiao
- Department of Immunology, Rady Max College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
| | - Hong Wang
- Department of Immunology, Rady Max College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
- Department of Medical Microbiology, School of Medicine, Shandong University, Jinan 250100, China
| | - Sudhanshu Shekhar
- Department of Immunology, Rady Max College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
| | - Shuhe Wang
- Department of Immunology, Rady Max College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
| | - Jie Yang
- Department of Immunology, Rady Max College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
| | - Yijun Fan
- Department of Immunology, Rady Max College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
| | - Xi Yang
- Department of Immunology, Rady Max College of Medicine, University of Manitoba, Winnipeg, MB R3E 0T5, Canada
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12
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Huang J, Jiang Z, Wu M, Zhang J, Chen C. Gallic acid exerts protective effects in spinal cord injured rats through modulating microglial polarization. Physiol Behav 2024; 273:114405. [PMID: 37939829 DOI: 10.1016/j.physbeh.2023.114405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 10/30/2023] [Accepted: 11/04/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Spinal cord injury (SCI) is a highly traumatic injury that causes mechanical damage to the spinal cord. Our study aimed to investigate whether gallic acid has protective effects against SCI injury. METHODS Adult male rats were subjected to contusive spinal cord injuries. For behavioural evaluation, the rats were given gallic acid by i.p. injection at the doses of 10, 50 or 100 mg/kg immediately after SCI once daily for consecutive 28 days. Behavioral tests were used to evaluate locomotor functions, mechanical sensitivity and nerve conduction functions. For biochemical experiments, the rats were randomly divided into three groups: sham group, SCI group and SCI+gallic acid group. The rats in the SCI+gallic acid group were given gallic acid at the dose of 100 mg/kg immediately after SCI once daily for consecutive 14 days. The levels of inflammatory factors were evaluated. RESULTS Gallic acid treatment could improve locomotive and sensory function and reduce the functional impairments in SCI rats. The effects were more effective with increasing gallic acid dose. The levels of M1 markers (inducible nitric oxide synthase and cyclooxygenase-2) were decreased in gallic acid-treated SCI rats, whereas the levels of M2 markers (arginase 1 and cluster of differentiation 206) were increased in response to gallic acid administration. Gallic acid treatment resulted in a significant reduction in pro-inflammatory cytokines and an increase in anti-inflammatory cytokine levels. CONCLUSION Gallic acid enhances the recovery in SCI rats by regulating microglial polarization. The underlying mechanism may involve the promotion of M2 polarization and the suppression of M1 polarization in microglia.
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Affiliation(s)
- Jianxing Huang
- Fujian Medical University Union Hospital, No.29 Xinquan Road, Fuzhou, Fujian 350001, China; Quanzhou First Hospital Affiliated to Fujian Medical University, No. 248-252 Dong Road, Quanzhou, Fujian 362000, China.
| | - Zhixian Jiang
- Quanzhou First Hospital Affiliated to Fujian Medical University, No. 248-252 Dong Road, Quanzhou, Fujian 362000, China
| | - Manzhen Wu
- Quanzhou First Hospital Affiliated to Fujian Medical University, No. 248-252 Dong Road, Quanzhou, Fujian 362000, China
| | - Jinning Zhang
- Quanzhou First Hospital Affiliated to Fujian Medical University, No. 248-252 Dong Road, Quanzhou, Fujian 362000, China.
| | - Chunmei Chen
- Fujian Medical University Union Hospital, No.29 Xinquan Road, Fuzhou, Fujian 350001, China.
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13
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Wang Y, Tan B, Shi S, Ye Y, Che X. Dopamine D2 receptor antagonist modulates rTMS-induced pain experiences and corticospinal excitability dependent on stimulation targets. Int J Clin Health Psychol 2024; 24:100413. [PMID: 37954401 PMCID: PMC10632113 DOI: 10.1016/j.ijchp.2023.100413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/14/2023] [Indexed: 11/14/2023] Open
Abstract
Both the primary motor cortex (M1) and dorsolateral prefrontal cortex (DLPFC) rTMS have the potential to reduce certain chronic pain conditions. However, the analgesic mechanisms remain unclear, in which M1- and DLPFC-rTMS may have different impact on the release of dopamine receptor D2 neurotransmissions (DRD2). Using a double-blind, randomised, sham- and placebo-controlled design, this study investigated the influence of DRD2 antagonist on rTMS-induced analgesia and corticospinal excitability across the M1 and DLPFC. Healthy participants in each group (M1, DLPFC, or Sham) received an oral dose of chlorpromazine or placebo before the delivery of rTMS in two separate sessions. Heat pain and cortical excitability were assessed before drug administration and after rTMS intervention. DRD2 antagonist selectively abolished the increased heat pain threshold induced by DLPFC stimulation and increased pain unpleasantness. The absence of analgesic effects in DLPFC stimulation was not accompanied by plastic changes in the corticospinal pathway. In contrast, DRD2 antagonist increased corticospinal excitability and rebalanced excitation-inhibition relationship following motor cortex stimulation, although there were no clear changes in pain experiences. These novel findings together highlight the influence of dopaminergic neurotransmission on rTMS-induced analgesia and corticospinal excitability dependent on stimulation targets.
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Affiliation(s)
- Ying Wang
- Centre for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Bolin Tan
- Centre for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Shuyan Shi
- Centre for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Yang Ye
- Centre for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Xianwei Che
- Centre for Cognition and Brain Disorders, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
- TMS Centre, Deqing Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, China
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14
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Bresee CS, Cooke DF, Goldring AB, Baldwin MKL, Pineda CR, Krubitzer LA. Reversible deactivation of motor cortex reveals that areas in parietal cortex are differentially dependent on motor cortex for the generation of movement. J Neurophysiol 2024; 131:106-123. [PMID: 38092416 DOI: 10.1152/jn.00086.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 12/12/2023] [Accepted: 12/13/2023] [Indexed: 01/17/2024] Open
Abstract
Primates are characterized by specializations for manual manipulation, including expansion of posterior parietal cortex (PPC) and, in Catarrhines, evolution of a dexterous hand and opposable thumb. Previous studies examined functional interactions between motor cortex and PPC in New World monkeys and galagos, by inactivating M1 and evoking movements from PPC. These studies found that portions of PPC depend on M1 to generate movements. We now add a species that more closely resembles humans in hand morphology and PPC: macaques. Inactivating portions of M1 resulted in all evoked movements being reduced (28%) or completely abolished (72%) at the PPC sites tested (in areas 5L, PF, and PFG). Anterior parietal area 2 was similarly affected (26% reduced and 74% abolished) and area 1 was the least affected (12% no effect, 54% reduced, and 34% abolished). Unlike previous studies in New World monkeys and galagos, interactions between both nonanalogous (heterotopic) and analogous (homotopic) M1 and parietal movement domains were commonly found in most areas. These experiments demonstrate that there may be two parallel networks involved in motor control: a posterior parietal network dependent on M1 and a network that includes area 1 that is relatively independent of M1. Furthermore, it appears that the relative size and number of cortical fields in parietal cortex in different species correlates with homotopic and heterotopic effect prevalence. These functional differences in macaques could contribute to more numerous and varied muscle synergies across major muscle groups, supporting the expansion of the primate manual behavioral repertoire observed in Old World monkeys.NEW & NOTEWORTHY Motor cortex and anterior and posterior parietal cortex form a sensorimotor integration network. We tested the extent to which parietal areas could initiate movements independent of M1. Our findings support the contention that, although areas 2, 5L, PF, and PFG are highly dependent on M1 to produce movement, area 1 may constitute a parallel corticospinal pathway that can function somewhat independently of M1. A similar functional architecture may underlie dexterous tool use in humans.
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Affiliation(s)
- Chris S Bresee
- Center for Neuroscience, University of California, Davis, California, United States
| | - Dylan F Cooke
- Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada
- Institute for Neuroscience & Neurotechnology, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Adam B Goldring
- Center for Neuroscience, University of California, Davis, California, United States
- Department of Neurology, University of California Davis, California, United States
| | - Mary K L Baldwin
- Center for Neuroscience, University of California, Davis, California, United States
- Department of Neurology, University of California Davis, California, United States
| | - Carlos R Pineda
- Center for Neuroscience, University of California, Davis, California, United States
- Department of Neurology, University of California Davis, California, United States
| | - Leah A Krubitzer
- Center for Neuroscience, University of California, Davis, California, United States
- Department of Neurology, University of California Davis, California, United States
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15
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Desmond LW, Holbrook EM, Wright CTO, Zambrano CA, Stamper CE, Bohr AD, Frank MG, Podell BK, Moreno JA, MacDonald AS, Reber SO, Hernández-Pando R, Lowry CA. Effects of Mycobacterium vaccae NCTC 11659 and Lipopolysaccharide Challenge on Polarization of Murine BV-2 Microglial Cells. Int J Mol Sci 2023; 25:474. [PMID: 38203645 PMCID: PMC10779110 DOI: 10.3390/ijms25010474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/15/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Previous studies have shown that the in vivo administration of soil-derived bacteria with anti-inflammatory and immunoregulatory properties, such as Mycobacterium vaccae NCTC 11659, can prevent a stress-induced shift toward an inflammatory M1 microglial immunophenotype and microglial priming in the central nervous system (CNS). It remains unclear whether M. vaccae NCTC 11659 can act directly on microglia to mediate these effects. This study was designed to determine the effects of M. vaccae NCTC 11659 on the polarization of naïve BV-2 cells, a murine microglial cell line, and BV-2 cells subsequently challenged with lipopolysaccharide (LPS). Briefly, murine BV-2 cells were exposed to 100 µg/mL whole-cell, heat-killed M. vaccae NCTC 11659 or sterile borate-buffered saline (BBS) vehicle, followed, 24 h later, by exposure to 0.250 µg/mL LPS (Escherichia coli 0111: B4; n = 3) in cell culture media vehicle (CMV) or a CMV control condition. Twenty-four hours after the LPS or CMV challenge, cells were harvested to isolate total RNA. An analysis using the NanoString platform revealed that, by itself, M. vaccae NCTC 11659 had an "adjuvant-like" effect, while exposure to LPS increased the expression of mRNAs encoding proinflammatory cytokines, chemokine ligands, the C3 component of complement, and components of inflammasome signaling such as Nlrp3. Among LPS-challenged cells, M. vaccae NCTC 11659 had limited effects on differential gene expression using a threshold of 1.5-fold change. A subset of genes was assessed using real-time reverse transcription polymerase chain reaction (real-time RT-PCR), including Arg1, Ccl2, Il1b, Il6, Nlrp3, and Tnf. Based on the analysis using real-time RT-PCR, M. vaccae NCTC 11659 by itself again induced "adjuvant-like" effects, increasing the expression of Il1b, Il6, and Tnf while decreasing the expression of Arg1. LPS by itself increased the expression of Ccl2, Il1b, Il6, Nlrp3, and Tnf while decreasing the expression of Arg1. Among LPS-challenged cells, M. vaccae NCTC 11659 enhanced LPS-induced increases in the expression of Nlrp3 and Tnf, consistent with microglial priming. In contrast, among LPS-challenged cells, although M. vaccae NCTC 11659 did not fully prevent the effects of LPS relative to vehicle-treated control conditions, it increased Arg1 mRNA expression, suggesting that M. vaccae NCTC 11659 induces an atypical microglial phenotype. Thus, M. vaccae NCTC 11659 acutely (within 48 h) induced immune-activating and microglial-priming effects when applied directly to murine BV-2 microglial cells, in contrast to its long-term anti-inflammatory and immunoregulatory effects observed on the CNS when whole-cell, heat-killed preparations of M. vaccae NCTC 11659 were given peripherally in vivo.
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Affiliation(s)
- Luke W. Desmond
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA; (L.W.D.); (E.M.H.); (C.T.O.W.); (C.A.Z.); (C.E.S.); (A.D.B.); (M.G.F.)
| | - Evan M. Holbrook
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA; (L.W.D.); (E.M.H.); (C.T.O.W.); (C.A.Z.); (C.E.S.); (A.D.B.); (M.G.F.)
| | - Caelan T. O. Wright
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA; (L.W.D.); (E.M.H.); (C.T.O.W.); (C.A.Z.); (C.E.S.); (A.D.B.); (M.G.F.)
| | - Cristian A. Zambrano
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA; (L.W.D.); (E.M.H.); (C.T.O.W.); (C.A.Z.); (C.E.S.); (A.D.B.); (M.G.F.)
| | - Christopher E. Stamper
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA; (L.W.D.); (E.M.H.); (C.T.O.W.); (C.A.Z.); (C.E.S.); (A.D.B.); (M.G.F.)
| | - Adam D. Bohr
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA; (L.W.D.); (E.M.H.); (C.T.O.W.); (C.A.Z.); (C.E.S.); (A.D.B.); (M.G.F.)
| | - Matthew G. Frank
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA; (L.W.D.); (E.M.H.); (C.T.O.W.); (C.A.Z.); (C.E.S.); (A.D.B.); (M.G.F.)
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80309, USA
| | - Brendan K. Podell
- Department of Microbiology, Immunology, and Pathology, Colorado State University, Fort Collins, CO 80523, USA;
| | - Julie A. Moreno
- Prion Research Center, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA;
- Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO 80523, USA
- Center for Healthy Aging, Colorado State University, Fort Collins, CO 80523, USA
| | - Andrew S. MacDonald
- Lydia Becker Institute of Immunology and Inflammation, University of Manchester, Manchester M13 9NT, UK;
| | - Stefan O. Reber
- Laboratory for Molecular Psychosomatics, Department of Psychosomatic Medicine and Psychotherapy, Ulm University Medical Center, 89081 Ulm, Germany;
| | - Rogelio Hernández-Pando
- Sección de Patología Experimental, Departamento de Patología, Instituto Nacional De Ciencias Médicas Y Nutrición Salvador Zubirán, Ciudad de México 14080, Mexico;
| | - Christopher A. Lowry
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO 80309, USA; (L.W.D.); (E.M.H.); (C.T.O.W.); (C.A.Z.); (C.E.S.); (A.D.B.); (M.G.F.)
- Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80309, USA
- Department of Psychology and Neuroscience, University of Colorado Boulder, Boulder, CO 80309, USA
- Center for Microbial Exploration, University of Colorado Boulder, Boulder, CO 80309, USA
- Department of Physical Medicine and Rehabilitation and Center for Neuroscience, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
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张 嘉, 杨 灿, 张 淑, 曹 婷, 彭 瑞, 郭 蔚, 严 予, 谢 淑, 彭 晓, 吕 田, 黄 添. [Sulforaphane reverses Aβ fiber-mediated M1 type microglia polarization and neuroinflammation-mediated necroptosis of neural stem cells by downregulating the MAPK/NF-κB signaling pathways]. Nan Fang Yi Ke Da Xue Xue Bao 2023; 43:2132-2138. [PMID: 38189401 PMCID: PMC10774108 DOI: 10.12122/j.issn.1673-4254.2023.12.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Indexed: 01/09/2024]
Abstract
OBJECTIVE To explore the effects of sulforaphane (SFN) and Aβ25-35 fibers (fAβ25-35) on M1/M2 polarization of BV-2 cells and neuroinflammation-mediated programmed necrosis of neural stem cells. METHODS BV-2 cells treated with different concentrations of fAβ25-35 and SFN were examined for changes in cell viability using the CCK-8 kit. The effect of fAβ25-35 alone or in combination with SFN or SB203580 on expressions of IL-6 and TNF-α mRNA and proteins were assessed in BV-2 cells using RT-qPCR and ELISA. CD16/32 and CD206 in the treated cells were analyzed with flow cytometry, and the cellular expressions of p-p38 and p-p65 protein were detected with Western blotting. C17.2 cells co-cultured with BV-2 cells for 24 h were examined for p-mlkl protein expression using Western blotting. RESULTS fAβ25-35 at the concentration of 6.25 μmol/L significantly increased the viability of BV-2 cells (P < 0.01) whereas fAβ25-35 beyond 50 μmol/L decreased the cell viability (P < 0.0001). Treatment of BV-2 cells with SFN below 10 μmol/L for 24 h did not significant affect the cell viability (P > 0.05). BV-2 cells treated with fAβ25-35 alone, as compared with the cells in the other 3 groups, showed significantly increased IL-6 and TNF-α mRNA and protein expressions (P < 0.001), enhanced CD16/32 expression (P < 0.05), lowered CD206 expression (P < 0.01), and increased protein expressions of p-p38 and p- p65 (P < 0.01). C17.2 cells co-cultured with BV-2 cells treated with fAβ25-35, compared with the combined treatments, showed a significant reduction in the protein expression of p-mlkl (P < 0.05). CONCLUSION SFN reverses M1 type microglia polarization and neuroinflammation-mediated programmed necrosis of neural stem cells by downregulating the MAPK/NF-κB signaling pathway in Aβ25-35-activated BV-2 cells.
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Affiliation(s)
- 嘉发 张
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 灿洪 杨
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 淑芬 张
- 广州市南沙区第二人民医院,广东 广州 511455Department of Internal Medicine, Nansha District Second People's Hospital, Guangzhou 511455, China
| | - 婷婷 曹
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 瑞 彭
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 蔚泓 郭
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 予苹 严
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 淑婷 谢
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 晓佳 彭
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 田明 吕
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
| | - 添容 黄
- 南方医科大学第三附属医院神经内科,广东 广州 510630Department of Neurology, Third Affiliated Hospital of Southern Medical University, Guangzhou 510630, China
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17
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Rahman M, Sompa SI, Introna M, Upadhyay S, Ganguly K, Palmberg L. Lipid from electronic cigarette-aerosol both with and without nicotine induced pro-inflammatory macrophage polarization and disrupted phagocytosis. J Inflamm (Lond) 2023; 20:39. [PMID: 37978397 PMCID: PMC10655339 DOI: 10.1186/s12950-023-00367-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 11/07/2023] [Indexed: 11/19/2023] Open
Abstract
Clinical cases and experimental evidence revealed that electronic cigarettes (ECIG) induce serious adverse health effects, but underlying mechanisms remain to be fully uncovered. Based on recent exploratory evidence, investigating the effects of ECIG on macrophages can broadly define potential mechanisms by focusing on the effect of ECIG exposure with or without nicotine. Here we investigated the effect of ECIG-aerosol exposure on macrophages (MQ) phenotype, inflammatory response, and function of macrophages.MQ were cultured at air liquid interface and exposed to ECIG-aerosol. Oxidative stress was determined by reactive oxygen species (ROS), heat shock protein 60 (HSP60), glutathione peroxidase (GPx) and heme oxygenase1 (HMOX1). Lipid accumulation and lipid peroxidation were defined by lipid staining and level of malondialdehyde (MDA) respectively. MQ polarization was identified by surface expression markers CD86, CD11C and CD206 as well as pro-inflammatory and anti-inflammatory cytokines in gene and protein level. Phagocytosis of E. coli by MQ was investigated by fluorescence-based phagocytosis assay.ECIG-aerosol exposure in presence or absence of nicotine induced oxidative stress evidenced by ROS, HSP60, GPx, GPx4 and HMOX1 upregulation in MQ. ECIG-aerosol exposure induced accumulation of lipids and the lipid peroxidation product MDA in MQ. Pro-inflammatory MQ (M1) markers CD86 and CD11C but not anti-inflammatory MQ (M2) marker CD206 were upregulated in response to ECIG-aerosol exposure. In addition, ECIG induced pro-inflammatory cytokines IL-1beta and IL-8 in gene level and IL-6, IL-8, and IL-1beta in protein level whereas ECIG exposure downregulated anti-inflammatory cytokine IL-10 in protein level. Phagocytosis activity of MQ was downregulated by ECIG exposure. shRNA mediated lipid scavenger receptor 'CD36' silencing inhibited ECIG-aerosol-induced pro-inflammatory MQ polarization and recovered phagocytic activity of MQ.ECIG exposure alters lung lipid homeostasis and thus induced inflammation by inducing M1 type MQ and impair phagocytic function, which could be a potential cause of ECIG-induced lung inflammation in healthy and inflammatory exacerbation in disease condition.
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Affiliation(s)
- Mizanur Rahman
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden.
| | - Shanzina Iasmin Sompa
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Micol Introna
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Swapna Upadhyay
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Koustav Ganguly
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
| | - Lena Palmberg
- Unit of Integrative Toxicology, Institute of Environmental Medicine, Karolinska Institutet, 171 77, Stockholm, Sweden
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18
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Kwiecień I, Rutkowska E, Raniszewska A, Rzeszotarska A, Polubiec-Kownacka M, Domagała-Kulawik J, Korsak J, Rzepecki P. Flow Cytometric Analysis of Macrophages and Cytokines Profile in the Bronchoalveolar Lavage Fluid in Patients with Lung Cancer. Cancers (Basel) 2023; 15:5175. [PMID: 37958349 PMCID: PMC10650702 DOI: 10.3390/cancers15215175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/25/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023] Open
Abstract
Macrophages play an important role in the suppression and activation of immune anti-cancer response, but little is known about dominant macrophage phenotype in the lung cancer environment, evaluated by bronchoalveolar lavage fluid (BALF). The aim of this study was to characterize macrophages in BALF from a lung affected by cancer (cBALF) and a healthy lung (hBALF) of the same patient regarding their individual macrophage polarization and selected cytokines profile. A total of 36 patients with confirmed lung cancer were investigated. Macrophages markers: CD206 CD163 CD80 CD86 CD40 CD45, Arginase-1, and CD68 were evaluated by flow cytometry. Cytokines (IL-1 RA, IL-6, IL-10, TNF-α, IL-1β, IL-12, IL-23, and TGF-β) profile was analyzed. There was higher median proportion of macrophages in Cbalf than in Hbalf. The population of macrophages presented immunophenotype: Ccd68+bright CD206+bright CD163+bright CD80+ CD86+ CD40+bright CD45+ cArginase+. We observed some trends in the expression of the analyzed antigens in clBALF and hlBLAF. The highest concentrations of IL-1RA and IL-6 were in Cbalf and Hbalf supernatant. There were the correlations between pro- and anti-inflammatory cytokines. The findings showed that macrophages include a diverse and plastic group with the presence of different antigens and cytokines, and determining the target phenotype is a complex and variable process.
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Affiliation(s)
- Iwona Kwiecień
- Laboratory of Hematology and Flow Cytometry, Department of Internal Medicine and Hematology, Military Institute of Medicine-National Research Institute, Szaserów 128 Street, 04-141 Warsaw, Poland; (E.R.); (A.R.)
| | - Elżbieta Rutkowska
- Laboratory of Hematology and Flow Cytometry, Department of Internal Medicine and Hematology, Military Institute of Medicine-National Research Institute, Szaserów 128 Street, 04-141 Warsaw, Poland; (E.R.); (A.R.)
| | - Agata Raniszewska
- Laboratory of Hematology and Flow Cytometry, Department of Internal Medicine and Hematology, Military Institute of Medicine-National Research Institute, Szaserów 128 Street, 04-141 Warsaw, Poland; (E.R.); (A.R.)
| | - Agnieszka Rzeszotarska
- Department of Clinical Transfusion Medicine, Military Institute of Medicine-National Research Institute, Szaserów 128 Street, 04-141 Warsaw, Poland; (A.R.); (J.K.)
| | | | - Joanna Domagała-Kulawik
- Institute of Clinical Sciences, Maria Curie-Sklodowska Medical Academy, 03-411 Warsaw, Poland;
| | - Jolanta Korsak
- Department of Clinical Transfusion Medicine, Military Institute of Medicine-National Research Institute, Szaserów 128 Street, 04-141 Warsaw, Poland; (A.R.); (J.K.)
| | - Piotr Rzepecki
- Department of Internal Medicine and Hematology, Military Institute of Medicine-National Research Institute, Szaserów 128 Street, 04-141 Warsaw, Poland;
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Fernández-Regueras M, Carbonell C, Salete-Granado D, García JL, Gragera M, Pérez-Nieto MÁ, Morán-Plata FJ, Mayado A, Torres JL, Corchete LA, Usategui-Martín R, Bueno-Martínez E, Rojas-Pirela M, Sabio G, González-Sarmiento R, Orfao A, Laso FJ, Almeida J, Marcos M. Predominantly Pro-Inflammatory Phenotype with Mixed M1/M2 Polarization of Peripheral Blood Classical Monocytes and Monocyte-Derived Macrophages among Patients with Excessive Ethanol Intake. Antioxidants (Basel) 2023; 12:1708. [PMID: 37760011 PMCID: PMC10525853 DOI: 10.3390/antiox12091708] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Excessive alcohol consumption impairs the immune system, induces oxidative stress, and triggers the activation of peripheral blood (PB) monocytes, thereby contributing to alcoholic liver disease (ALD). We analyzed the M1/M2 phenotypes of circulating classical monocytes and macrophage-derived monocytes (MDMs) in excessive alcohol drinkers (EADs). PB samples from 20 EADs and 22 healthy controls were collected for isolation of CD14+ monocytes and short-term culture with LPS/IFNγ, IL4/IL13, or without stimulation. These conditions were also used to polarize MDMs into M1, M2, or M0 phenotypes. Cytokine production was assessed in the blood and culture supernatants. M1/M2-related markers were analyzed using mRNA expression and surface marker detection. Additionally, the miRNA profile of CD14+ monocytes was analyzed. PB samples from EADs exhibited increased levels of pro-inflammatory cytokines. Following short-term culture, unstimulated blood samples from EADs showed higher levels of soluble TNF-α and IL-8, whereas monocytes expressed increased levels of surface TNF-α and elevated mRNA expression of pro-inflammatory cytokines and inducible nitric oxide synthase. MDMs from EADs showed higher levels of TNF-α and CD206 surface markers and increased IL-10 production. LPS/IFNγ induced higher mRNA expression of Nrf2 only in the controls. miRNA analysis revealed a distinctive miRNA profile that is potentially associated with liver carcinogenesis and ALD through inflammation and oxidative stress. This study confirms the predominantly pro-inflammatory profile of PB monocytes among EADs and suggests immune exhaustion features in MDMs.
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Affiliation(s)
- María Fernández-Regueras
- Hospital Universitario de Burgos, 09006 Burgos, Spain
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
| | - Cristina Carbonell
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Daniel Salete-Granado
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Juan-Luis García
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
| | - Marcos Gragera
- Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049 Madrid, Spain
- Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain
| | - María-Ángeles Pérez-Nieto
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Fundación Instituto de Estudios de Ciencias de la Salud de Castilla y León, 42002 Soria, Spain
| | - Francisco-Javier Morán-Plata
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
| | - Andrea Mayado
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Jorge-Luis Torres
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
- Complejo Asistencial de Zamora, 49022 Zamora, Spain
| | - Luis-Antonio Corchete
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
| | - Ricardo Usategui-Martín
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Biología Celular, Facultad de Medicina, Universidad de Valladolid, 47005 Valladolid, Spain
| | - Elena Bueno-Martínez
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Maura Rojas-Pirela
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
| | - Guadalupe Sabio
- Centro Nacional de Investigaciones Cardiovasculares, 28029 Madrid, Spain
| | - Rogelio González-Sarmiento
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Alberto Orfao
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Francisco-Javier Laso
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
| | - Julia Almeida
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
- Translational and Clinical Research Program, Centro de Investigación del Cáncer e Instituto de Biología Molecular y Celular del Cáncer (IBMCC), 37007 Salamanca, Spain
- Biomedical Research Networking Centre Consortium of Oncology (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Miguel Marcos
- Hospital Universitario de Salamanca, 37007 Salamanca, Spain
- Instituto de Investigación Biomédica de Salamanca (IBSAL), 37007 Salamanca, Spain
- Departamento de Medicina, Universidad de Salamanca, 37007 Salamanca, Spain
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20
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Kuboyama T, Hotta K, Asanuma M, Ge YW, Toume K, Yamazaki T, Komatsu K. Quality assessment of Rheum species cultivated in Japan by focusing on M2 polarization of microglia. J Nat Med 2023; 77:699-711. [PMID: 37347410 DOI: 10.1007/s11418-023-01710-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 05/22/2023] [Indexed: 06/23/2023]
Abstract
In traditional Japanese medicine, Rhei Rhizoma is used as a purgative, blood stasis-resolving and antipsychotic drug. The latter two properties are possibly related to anti-inflammatory effects. Microglia regulate inflammation in the central nervous system. M1 microglia induce inflammation, while M2 microglia inhibit inflammation and show neurotrophic effects. This study investigated the effects from water extracts of roots of cultivated Rheum species in Nagano Prefecture, Japan (strain C, a related strain to a Japanese cultivar, 'Shinshu-Daio'; and strain 29, a Chinese strain) and 3 kinds of Rhei Rhizoma available in the Japanese market, and also examined their constituents on the polarization of cultured microglia. All extracts significantly decreased M1 microglia, and strains C and 29 significantly increased M2 microglia. Furthermore, the extracts of both strains significantly increased the M2/M1 ratio. Among the constituents of Rhei Rhizoma, ( +)-catechin (2), resveratrol 4'-O-β-D-(6″-O-galloyl) glucopyranoside (5), isolindleyin (8), and physcion (15) significantly increased the M2/M1 ratio. The contents of the constituents in water extract of each strain were quantified using HPLC. The extracts of strains C and 29 contained relatively large amounts of 2 and 5; and 2, 8, and 15, respectively. This study showed the water extracts of roots of cultivated Rheum strains in Japan had the effects of M2 polarization of microglia, suggesting that these strains become the candidate to develop anti-inflammatory Rhei Rhizoma. Moreover, the suitable chemical composition to possess anti-inflammatory activity in the brain was clarified for the future development of new type of Rhei Rhizoma.
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Affiliation(s)
- Tomoharu Kuboyama
- Laboratory of Pharmacognosy, Daiichi University of Pharmacy, 22-1 Tamagawa-Cho, Minami-Ku, Fukuoka, 815-8511, Japan.
| | - Kenichiro Hotta
- Section of Pharmacognosy, Division of Medicinal Resources, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Mai Asanuma
- Faculty of Pharmaceutical Sciences, Doshisha Women's College of Liberal Arts, Kodo, Kyotanabe, Kyoto, 610-0395, Japan
| | - Yue-Wei Ge
- School of Traditional Chinese Medicine, Guangzhou Higher Education Mega Center, Guangdong Pharmaceutical University, 280 Wai Huan Dong Road, Guangzhou, China
| | - Kazufumi Toume
- Section of Pharmacognosy, Division of Medicinal Resources, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Takuma Yamazaki
- Pharmaceutical Affairs Division, Health and Welfare, Department of Nagano Prefecture, 692-2 Habashita, Minami-Nagano, Nagano, 380-8570, Japan
| | - Katsuko Komatsu
- Section of Pharmacognosy, Division of Medicinal Resources, Institute of Natural Medicine, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan.
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21
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Abstract
During development of pancreatic cancer macrophage-mediated inflammatory processes and the formation of cancerous lesions are tightly connected. Based on insight from mouse models we provide an overview on the functions of classically-activated pro-inflammatory and alternatively-activated anti-inflammatory macrophages in the initiation and progression of pancreatic cancer. We highlight their roles in earliest events of tumor initiation such as acinar-to-ductal metaplasia (ADM), organization of the fibrotic lesion microenvironment, and growth of low-grade (LG) lesions. We then discuss their roles as tumor-associated macrophages (TAM) in progression to high-grade (HG) lesions with a cancerous invasive phenotype and an immunosuppressive microenvironment. Another focus is on how targeting these macrophage populations can affect immunosuppression, fibrosis and responses to chemotherapy, and eventually how this knowledge could be used for novel therapy approaches for patients with pancreatic ductal adenocarcinoma (PDA).
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Affiliation(s)
- Peter Storz
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, United States
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22
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Jiang S, Fu W, Wang S, Zhu G, Wang J, Ma Y. Bacterial Outer Membrane Vesicles Loaded with Perhexiline Suppress Tumor Development by Regulating Tumor-Associated Macrophages Repolarization in a Synergistic Way. Int J Mol Sci 2023; 24:11222. [PMID: 37446401 DOI: 10.3390/ijms241311222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/30/2023] [Accepted: 07/04/2023] [Indexed: 07/15/2023] Open
Abstract
Tumor-associated macrophages (TAMs) promote tumor development and metastasis and are categorized into M1-like macrophages, suppressing tumor cells, and M2-like macrophages. M2-like macrophages, occupying a major role in TAMs, can be repolarized into anti-tumoral phenotypes. In this study, outer membrane vesicles (OMVs) secreted by Escherichia coli Nissle 1917 carry perhexiline (OMV@Perhx) to explore the influence of OMVs and perhexiline on TAM repolarization. OMV@Perhx was internalized by macrophages and regulated the phenotype of TAMs from M2-like to M1-like efficiently to increase the level of tumor suppressor accordingly. Re-polarized macrophages promoted apoptosis and inhibited the mobility of tumor, cells including invasion and migration. The results indicate that OMVs improve the efficacy of perhexiline and also represent a promising natural immunomodulator. Combining OMVs with perhexiline treatments shows powerfully synergistic anti-tumor effects through co-culturing with re-polarized macrophages. This work is promising to exploit the extensive applications of OMVs and chemical drugs, therefore developing a meaningful drug carrier and immunomodulator as well as expanding the purposes of traditional chemical drugs.
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Affiliation(s)
- Shoujin Jiang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Wei Fu
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Sijia Wang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Guanshu Zhu
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Jufang Wang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
| | - Yi Ma
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China
- Guangdong Provincial Key Laboratory of Fermentation and Enzyme Engineering, South China University of Technology, Guangzhou 510006, China
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23
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Park S, Kim HK, Lee HJ, Choi M, Lee M, Jakovljevic M. Strategic management and organizational culture of medical device companies in relation to corporate performance. J Med Econ 2023:1-23. [PMID: 37300440 DOI: 10.1080/13696998.2023.2224168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/12/2023]
Abstract
AIMS Strategies focus on securing the competitiveness of medical device corporations by strengthening their organizational capabilities, which, in turn, ensure their continuous development. This study aims to investigate both management strategies and organizational culture, which may affect the performance of these companies, and analyzes the influence of education and training investment. MATERIALS AND METHODS We used data from the 3rd to 6th Human Capital Corporate Panel surveys by the Korea Research Institute for Vocational Education and Training as well as data from the Korea Information Service and 6,112 workers and 260 companies were analyzed. For the analysis, management strategy and organizational culture were set as independent variables, and corporation performance was set as the dependent variable. Additionally, investment in education and training was set as a control variable between the independent and dependent variables. Corporate performance was analyzed by dividing into organizational satisfaction and organizational commitment. RESULTS Differentiation strategy and innovative culture had a positive (+) effect on organizational satisfaction, while cost leadership strategy and hierarchical culture had a negative (-) effect. On the other hand, in the case of interaction with education and training investment, cost leadership strategy and hierarchical culture had a positive (+) effect, while differentiation strategy and innovation culture had a negative (-) effect. In organizational commitment, innovation culture had a positive (+) effect, and hierarchical culture had a negative (-) effect. In the case of interaction with investment in education and training, only the hierarchical culture had a positive (+) effect. CONCLUSIONS The innovation culture positively influenced the performance of medical device companies. Furthermore, cost leadership strategy, hierarchical culture, education and training investment improved the corporate performance of these companies. To enhance corporate performance, these companies should create an innovation culture and invest in education and training in accordance with the organizational culture.
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Affiliation(s)
- Sewon Park
- Department of Medical Science, Ajou University School of Medicine, Suwon, South Korea
| | - Han-Kyoul Kim
- Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul, South Korea
- National Traffic Injury Rehabilitation Research Institute, National Traffic Injury Rehabilitation Hospital, Yang-Pyeong, South Korea
| | - Haeng-Jun Lee
- Department of Medical Science, Ajou University School of Medicine, Suwon, South Korea
| | - Mankyu Choi
- Department of Health Policy & Management, College of Health Science, Korea University, Seoul, South Korea
- BK21 FOUR R&E Center for Learning Health Systems, Korea University, Seoul, South Korea
| | - Munjae Lee
- Department of Medical Science, Ajou University School of Medicine, Suwon, South Korea
| | - Mihajlo Jakovljevic
- Institute of Advanced Manufacturing Technologies, Peter the Great St. Petersburg Polytechnic University, 195251, St Petersburg, Russia
- Institute of Comparative Economic Studies, Hosei University, Tokyo 194-0298, Japan
- Department of Global Health Economics and Policy, University of Kragujevac, 34000 Kragujevac, Serbia
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24
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Dossou AS, Mantsch ME, Kapic A, Burnett WL, Sabnis N, Coffer JL, Berg RE, Fudala R, Lacko AG. Mannose-Coated Reconstituted Lipoprotein Nanoparticles for the Targeting of Tumor-Associated Macrophages: Optimization, Characterization, and In Vitro Evaluation of Effectiveness. Pharmaceutics 2023; 15:1685. [PMID: 37376134 DOI: 10.3390/pharmaceutics15061685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 05/29/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
Reconstituted high-density lipoprotein nanoparticles (rHDL NPs) have been utilized as delivery vehicles to a variety of targets, including cancer cells. However, the modification of rHDL NPs for the targeting of the pro-tumoral tumor-associated macrophages (TAMs) remains largely unexplored. The presence of mannose on nanoparticles can facilitate the targeting of TAMs which highly express the mannose receptor at their surface. Here, we optimized and characterized mannose-coated rHDL NPs loaded with 5,6-dimethylxanthenone-4-acetic acid (DMXAA), an immunomodulatory drug. Lipids, recombinant apolipoprotein A-I, DMXAA, and different amounts of DSPE-PEG-mannose (DPM) were combined to assemble rHDL-DPM-DMXAA NPs. The introduction of DPM in the nanoparticle assembly altered the particle size, zeta potential, elution pattern, and DMXAA entrapment efficiency of the rHDL NPs. Collectively, the changes in physicochemical characteristics of rHDL NPs upon the addition of the mannose moiety DPM indicated that the rHDL-DPM-DMXAA NPs were successfully assembled. The rHDL-DPM-DMXAA NPs induced an immunostimulatory phenotype in macrophages pre-exposed to cancer cell-conditioned media. Furthermore, rHDL-DPM NPs delivered their payload more readily to macrophages than cancer cells. Considering the effects of the rHDL-DPM-DMXAA NPs on macrophages, the rHDL-DPM NPs have the potential to serve as a drug delivery platform for the selective targeting of TAMs.
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Affiliation(s)
- Akpedje S Dossou
- Department of Microbiology, Immunology and Genetics, UNT Health Science Center (UNTHSC), Fort Worth, TX 76107, USA
| | - Morgan E Mantsch
- College of Natural Sciences, University of Texas at Austin, Austin, TX 78705, USA
| | - Ammar Kapic
- Department of Microbiology, Immunology and Genetics, UNT Health Science Center (UNTHSC), Fort Worth, TX 76107, USA
| | - William L Burnett
- College of Science and Engineering, Texas Christian University (TCU), Fort Worth, TX 76129, USA
| | - Nirupama Sabnis
- Department of Microbiology, Immunology and Genetics, UNT Health Science Center (UNTHSC), Fort Worth, TX 76107, USA
| | - Jeffery L Coffer
- College of Science and Engineering, Texas Christian University (TCU), Fort Worth, TX 76129, USA
| | - Rance E Berg
- Department of Microbiology, Immunology and Genetics, UNT Health Science Center (UNTHSC), Fort Worth, TX 76107, USA
| | - Rafal Fudala
- Department of Microbiology, Immunology and Genetics, UNT Health Science Center (UNTHSC), Fort Worth, TX 76107, USA
| | - Andras G Lacko
- Department of Microbiology, Immunology and Genetics, UNT Health Science Center (UNTHSC), Fort Worth, TX 76107, USA
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Johannesen TB, Munkstrup C, Edslev SM, Baig S, Nielsen S, Funk T, Kristensen DK, Jacobsen LH, Ravn SF, Bindslev N, Gubbels S, Voldstedlund M, Jokelainen P, Hallstrøm S, Rasmussen A, Kristinsson KG, Fuglsang-Damgaard D, Dessau RB, Olsén AB, Jensen CS, Skovby A, Ellermann-Eriksen S, Jensen TG, Dzajic E, Østergaard C, Lomborg Andersen S, Hoffmann S, Andersen PH, Stegger M. Increase in invasive group A streptococcal infections and emergence of novel, rapidly expanding sub-lineage of the virulent Streptococcus pyogenes M1 clone, Denmark, 2023. Euro Surveill 2023; 28:2300291. [PMID: 37382884 PMCID: PMC10311951 DOI: 10.2807/1560-7917.es.2023.28.26.2300291] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 06/29/2023] [Indexed: 06/30/2023] Open
Abstract
A highly virulent sub-lineage of the Streptococcus pyogenes M1 clone has been rapidly expanding throughout Denmark since late 2022 and now accounts for 30% of the new invasive group A streptococcal infections. We aimed to investigate whether a shift in variant composition can account for the high incidence rates observed over winter 2022/23, or if these are better explained by the impact of COVID-19-related restrictions on population immunity and carriage of group A Streptococcus.
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Affiliation(s)
| | - Charlotte Munkstrup
- Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark
| | - Sofie Marie Edslev
- Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Sharmin Baig
- Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Stine Nielsen
- Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark
| | - Tjede Funk
- Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark
| | | | | | - Signe Fischer Ravn
- Data Integration and Analysis, Statens Serum Institut, Copenhagen, Denmark
| | - Niels Bindslev
- Data Integration and Analysis, Statens Serum Institut, Copenhagen, Denmark
| | - Sophie Gubbels
- Data Integration and Analysis, Statens Serum Institut, Copenhagen, Denmark
| | | | - Pikka Jokelainen
- Infectious Disease Preparedness, Statens Serum Institut, Copenhagen, Denmark
| | - Søren Hallstrøm
- Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Astrid Rasmussen
- Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Karl Gústaf Kristinsson
- Faculty of Medicine, University of Iceland, Reykjavik, Iceland
- Department of Clinical Microbiology, Landspitali - the National University Hospital, Reykjavik, Iceland
| | | | - Ram B Dessau
- Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
- Department of Clinical Microbiology, Zealand University Hospital, Slagelse, Denmark
| | - Agnieszka Barbara Olsén
- Department of Clinical Microbiology, Herlev and Gentofte Hospital - University Hospital, Herlev, Denmark
| | | | - Annette Skovby
- Copenhagen University Hospital - Amager and Hvidovre, Hvidovre, Denmark
| | | | - Thøger Gorm Jensen
- Department of Clinical Microbiology, Odense University Hospital and Research Unit of Clinical Microbiology, Odense, Denmark
| | - Esad Dzajic
- Clinical Diagnostic Department, Clinical Microbiology, Hospital South West Jutland, University Hospital of Southern Denmark, Esbjerg, Denmark
| | - Claus Østergaard
- Department of Clinical Microbiology, Lillebælt Hospital, University Hospital of Southern Denmark, Vejle, Denmark
| | - Steen Lomborg Andersen
- Department of Clinical Microbiology, Sønderjylland Hospital, University Hospital of Southern Denmark, Aabenraa, Denmark
| | - Steen Hoffmann
- Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Peter Henrik Andersen
- Infectious Disease Epidemiology and Prevention, Statens Serum Institut, Copenhagen, Denmark
| | - Marc Stegger
- Antimicrobial Resistance and Infectious Diseases Laboratory, Harry Butler Institute, Murdoch University, Perth, Australia
- Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
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Li H, Wei J, Zhang Z, Li J, Ma Y, Zhang P, Lin J. Menstrual blood-derived endometrial stem cells alleviate neuroinflammation by modulating M1/M2 polarization in cell and rat Parkinson's disease models. Stem Cell Res Ther 2023; 14:85. [PMID: 37055866 PMCID: PMC10099022 DOI: 10.1186/s13287-023-03330-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 04/05/2023] [Indexed: 04/15/2023] Open
Abstract
BACKGROUND Neuroinflammation is closely related to the development of Parkinson's disease (PD). Because of the extensive sources, non-invasive and periodical collection method, human menstrual blood-derived endometrial stem cells (MenSCs) have been explored as a promising tool for treatment of PD. This study aimed to investigate if MenSCs could inhibit neuroinflammation in PD rats by regulating M1/M2 polarization and to excavate the underlying mechanisms. METHODS MenSCs were co-cultured with 6-OHDA-exposed microglia cell lines. Then the morphology of microglia cells and the level of inflammatory factors were assessed by immunofluorescence and qRT-PCR. After MenSCs were transplanted into the brain of PD rats, animal motor function, the expression of tyrosine hydroxylase, and the level of inflammatory factors in the cerebrospinal fluid (CSF) and serum were detected to evaluate the therapeutic potential of MenSCs. Meanwhile, the expression of M1/M2 phenotype related genes was detected by qRT-PCR. One protein array kit containing 1000 kinds of factors was used to detect the protein components in the conditioned medium of MenSCs. Finally, bioinformatic analysis was performed to analyze the function of factors secreted by MenSCs and the signal pathways involved in. RESULTS MenSCs could suppress 6-OHDA-induced microglia cell activation and significantly decrease inflammation in vitro. After transplantation into the brain of PD rats, MenSCs improved animal motor function, which was indicated by the increased movement distance, ambulatory episodes, exercise time on the rotarod, and less contralateral rotation. Additionally, MenSCs reduced the loss of dopaminergic neurons and down-regulated the level of pro-inflammatory factors in the CSF and serum. Moreover, q-PCR and WB results showed the transplantation of MenSCs significantly down-regulated the expression of M1 phenotype cell markers and meanwhile up-regulated the expression of M2 phenotype cell markers in the brain of PD rats. 176 biological processes including inflammatory response, negative regulation of apoptotic process, and microglial cell activation were enriched by GO-BP analysis. 58 signal pathways including PI3K/Akt and MAPK were enriched by KEGG analysis. CONCLUSIONS In conclusion, our results provide preliminary evidence for the anti-inflammation capacity of MenSCs by regulating M1/M2 polarization. We firstly demonstrated the biological process of factors secreted by MenSCs and the signal pathways involved in using protein array and bioinformatic analysis.
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Affiliation(s)
- Han Li
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China
| | - Jinghui Wei
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China
| | - Zhigang Zhang
- Department of Neurology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, 45003, China
| | - Junyao Li
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China
| | - Yaokai Ma
- Stem Cells and Biotherapy Engineering Research Center of Henan, National Joint Engineering Laboratory of Stem Cells and Biotherapy, School of Life Science and Technology, Xinxiang Medical University, Xinxiang, 453003, China
| | - Ping Zhang
- Department of Neurology, The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, 45003, China
| | - Juntang Lin
- Henan Joint International Research Laboratory of Stem Cell Medicine, School of Medical Engineering, Xinxiang Medical University, Xinxiang, 453003, China.
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Licá ICL, Frazão GCCG, Nogueira RA, Lira MGS, dos Santos VAF, Rodrigues JGM, Miranda GS, Carvalho RC, Silva LA, Guerra RNM, Nascimento FRF. Immunological mechanisms involved in macrophage activation and polarization in schistosomiasis. Parasitology 2023; 150:401-415. [PMID: 36601859 PMCID: PMC10089811 DOI: 10.1017/s0031182023000021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 12/21/2022] [Accepted: 12/24/2022] [Indexed: 01/06/2023]
Abstract
Human schistosomiasis is caused by helminths of the genus Schistosoma. Macrophages play a crucial role in the immune regulation of this disease. These cells acquire different phenotypes depending on the type of stimulus they receive. M1 macrophages can be ‘classically activated’ and can display a proinflammatory phenotype. M2 or ‘alternatively activated’ macrophages are considered anti-inflammatory cells. Despite the relevance of macrophages in controlling infections, the role of the functional types of these cells in schistosomiasis is unclear. This review highlights different molecules and/or macrophage activation and polarization pathways during Schistosoma mansoni and Schistosoma japonicum infection. This review is based on original and review articles obtained through searches in major databases, including Scopus, Google Scholar, ACS, PubMed, Wiley, Scielo, Web of Science, LILACS and ScienceDirect. Our findings emphasize the importance of S. mansoni and S. japonicum antigens in macrophage polarization, as they exert immunomodulatory effects in different stages of the disease and are therefore important as therapeutic targets for schistosomiasis and in vaccine development. A combination of different antigens can provide greater protection, as it possibly stimulates an adequate immune response for an M1 or M2 profile and leads to host resistance; however, this warrants in vitro and in vivo studies.
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Affiliation(s)
- Irlla Correia Lima Licá
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Laboratory of Immunophysiology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Gleycka Cristine Carvalho Gomes Frazão
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Laboratory of Immunophysiology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Ranielly Araujo Nogueira
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Laboratory of Immunophysiology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Maria Gabriela Sampaio Lira
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Laboratory of Immunophysiology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Vitor Augusto Ferreira dos Santos
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Laboratory of Immunophysiology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - João Gustavo Mendes Rodrigues
- Department of Parasitology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Guilherme Silva Miranda
- Department of Biology, Federal Institute of Education, Science and Technology of Maranhão, São Raimundo das Mangabeiras, Brazil
| | - Rafael Cardoso Carvalho
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Lucilene Amorim Silva
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Laboratory of Immunophysiology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Department of Pathology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Rosane Nassar Meireles Guerra
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Laboratory of Immunophysiology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Department of Pathology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
| | - Flávia Raquel Fernandes Nascimento
- Graduate Program in Health Sciences, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Laboratory of Immunophysiology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
- Department of Pathology, Center for Biological and Health Sciences, Federal University of Maranhão, São Luís, MA, Brazil
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Shen L, Huang Y, Liao Y, Yin X, Huang Y, Ou J, Ouyang H, Chen Z, Long J. Effect of high-frequency repetitive transcranial magnetic stimulation over M1 for consciousness recovery after traumatic brain injury. Brain Behav 2023; 13:e2971. [PMID: 36977194 PMCID: PMC10176007 DOI: 10.1002/brb3.2971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 02/26/2023] [Accepted: 03/03/2023] [Indexed: 03/30/2023] Open
Abstract
BACKGROUND The brain area stimulated during repetitive transcranial magnetic stimulation (rTMS) treatment is important in altered states of consciousness. However, the functional contribution of the M1 region during the treatment of high-frequency rTMS remains unclear. OBJECTIVE The aim of this study was to examine the clinical [the Glasgow coma scale (GCS) and the coma recovery scale-revised (CRS-R)] and neurophysiological (EEG reactivity and SSEP) responses in vegetative state (VS) patients following traumatic brain injury (TBI) before and after a protocol of high-frequency rTMS over the M1 region. METHODS Ninety-nine patients in a VS following TBI were recruited so that their clinical and neurophysiological responses could be evaluated in this study. These patients were randomly allocated into three experimental groups: rTMS over the M1 region (test group; n = 33), rTMS over the left dorsolateral prefrontal cortex (DLPFC) (control group; n = 33) and placebo rTMS over the M1 region (placebo group; n = 33). Each rTMS treatment lasted 20 min and was carried out once a day. The duration of this protocol was a month with 20 treatments (5 times per week) occurring with that time. RESULTS We found that the clinical and neurophysiological responses improved after treatment in the test, control, and placebo groups; the improvement was highest in the test group compared to that in the control and placebo groups. CONCLUSIONS Our results demonstrate an effective method of high-frequency rTMS over the M1 region for consciousness recovery after severe brain injury.
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Affiliation(s)
- Longbin Shen
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Yixuan Huang
- Graduate School, Gimcheon University, Gimcheon, South Korea
| | - Yujun Liao
- Department of Rehabilitation Medicine, The Fifth Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Xiaona Yin
- Department of Rehabilitation, Shenzhen Longhua Maternity & Child Healthcare Hospital, Shenzhen, Guangdong, China
| | - Yulin Huang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Jianlin Ou
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Hui Ouyang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Zhuoming Chen
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, China
| | - Jinyi Long
- College of Information Science and Technology, Jinan University, Guangzhou, Guangdong, China
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Suh J, Kim NK, Shim W, Lee SH, Kim HJ, Moon E, Sesaki H, Jang JH, Kim JE, Lee YS. Mitochondrial fragmentation and donut formation enhance mitochondrial secretion to promote osteogenesis. Cell Metab 2023; 35:345-360.e7. [PMID: 36754021 DOI: 10.1016/j.cmet.2023.01.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/07/2022] [Accepted: 01/11/2023] [Indexed: 02/10/2023]
Abstract
Mitochondrial components have been abundantly detected in bone matrix, implying that they are somehow transported extracellularly to regulate osteogenesis. Here, we demonstrate that mitochondria and mitochondrial-derived vesicles (MDVs) are secreted from mature osteoblasts to promote differentiation of osteoprogenitors. We show that osteogenic induction stimulates mitochondrial fragmentation, donut formation, and secretion of mitochondria through CD38/cADPR signaling. Enhancing mitochondrial fission and donut formation through Opa1 knockdown or Fis1 overexpression increases mitochondrial secretion and accelerates osteogenesis. We also show that mitochondrial fusion promoter M1, which induces Opa1 expression, impedes osteogenesis, whereas osteoblast-specific Opa1 deletion increases bone mass. We further demonstrate that secreted mitochondria and MDVs enhance bone regeneration in vivo. Our findings suggest that mitochondrial morphology in mature osteoblasts is adapted for extracellular secretion, and secreted mitochondria and MDVs are critical promoters of osteogenesis.
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Affiliation(s)
- Joonho Suh
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Na-Kyung Kim
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Wonn Shim
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Seung-Hoon Lee
- Department of Molecular Medicine, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Hyo-Jeong Kim
- Electron Microscopy Research Center, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea
| | - Eunyoung Moon
- Electron Microscopy and Spectroscopy Team, Korea Basic Science Institute, Ochang, Cheongju, Chungbuk, Republic of Korea
| | - Hiromi Sesaki
- Department of Cell Biology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Jae Hyuck Jang
- Electron Microscopy Research Center, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea; Electron Microscopy and Spectroscopy Team, Korea Basic Science Institute, Daejeon, Republic of Korea
| | - Jung-Eun Kim
- Department of Molecular Medicine, Cell and Matrix Research Institute, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Yun-Sil Lee
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Seoul, Republic of Korea.
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30
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Zhiqiang Z, Wei W, Yunqi T, Yu L. Effects of Bilateral Extracephalic Transcranial Direct Current Stimulation on Lower Limb Kinetics in Countermovement Jumps. Int J Environ Res Public Health 2023; 20:2241. [PMID: 36767607 PMCID: PMC9915197 DOI: 10.3390/ijerph20032241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 06/18/2023]
Abstract
OBJECTIVE Transcranial direct current stimulation (tDCS) is an effective method for improving sports/exercise performance in humans. However, studies examining the effects of tDCS on jumping performance have reported inconsistent findings, and there is a paucity of studies investigating the effects of tDCS on lower limb energy and kinetics in countermovement jumps (CMJs). Thus, we investigated the effects of tDCS on countermovement jump (CMJ) performance and analysed kinetic variations in the ankle, knee, and hip joints. METHODS In total, 15 healthy young participants randomly received anodal or sham bilateral stimulation of the primary motor cortex (M1). The bilateral tDCS (Bi-tDCS) montage used an intensity of 2 mA for a 20 min monophasic continuous current. Jump height, energy, and lower limb kinetic data in CMJs were collected at pre-stimulation (Pre), post-0 min (Post-0), and post-30 min (Post-30) using a motion capture system and two 3D force plates. Jump height, lower extremity energy, and kinetic variables in CMJs were analysed with two-way repeated-measures ANOVA. RESULTS (1) Compared to the baseline and sham conditions, the jump height increased except that at Post-30 relative to the sham condition, and the total net energy of lower limbs increased at Post-30 relative to the baseline. (2) Compared to the baseline, the ankle positive energy and net energy decreased in the sham condition; Compared to the baseline and values at Post-0, the maximum ankle torque at Post-30 decreased in both stimulation conditions. (3) The maximum knee power increased compared to the baseline and sham conditions. (4) Regardless of time points, the maximum hip torque in the tDCS condition was higher than it was in the sham condition. CONCLUSION Bi-tDCS is an effective method for improving jump height by modulating ankle and knee net energy. The net energy improvement of the lower extremities may be due to variation in the kinetic chain resulting from tDCS-enhanced knee exploration force and maximum hip strength in CMJs. The effects of Bi-tDCS gradually decrease.
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Affiliation(s)
- Zhu Zhiqiang
- School of Kinesiology, Shenzhen University, Shenzhen 518000, China
| | - Wang Wei
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
| | - Tang Yunqi
- College of Art & Design, Shanxi University of Science & Technology, Xi’an 710021, China
| | - Liu Yu
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China
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Zhang W, Guan N, Zhang X, Liu Y, Gao X, Wang L. Study on the imbalance of M1/M2 macrophage polarization in severe chronic periodontitis. Technol Health Care 2023; 31:117-124. [PMID: 35964216 DOI: 10.3233/thc-220092] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Macrophages commonly exist in two distinct subsets in different microenvironments: classically activated macrophages (M1) and alternatively activated macrophages (M2). The imbalance of M1-M2 macrophage polarization is often related to various diseases or inflammatory states. OBJECTIVE The purpose of this study was to determine whether there is an imbalance in the expression of M1 and M2 macrophage-related cytokines in severe chronic periodontitis. METHODS A total of 30 clinical specimens, including severe chronic periodontitis tissues (n= 15) and healthy control tissues (n= 15), were used in this study. Reverse transcription polymerase chain reaction (RT-PCR) and Western blot methods were used to detect the mRNA and protein expression levels of M1 macrophage-related cytokines (inducible nitric oxide synthase (iNOS) and signal transducer and activator of transcription 1 (STAT1)) and M2 macrophage-related cytokines (arginase-1 (Arg-1) and STAT6), respectively. RESULTS The mRNA and protein expression levels of M1 macrophage-related cytokines (iNOS and STAT1) and M2 macrophage-related cytokines (Arg-1 and STAT6) were significantly increased in severe chronic periodontitis patients. In addition, the ratios of iNOS/Arg-1 and STAT1/STAT6 in the severe chronic periodontitis group were also significantly increased (P< 0.01). CONCLUSION The imbalance of M1/M2 macrophages exists in the pathogenesis of severe chronic periodontitis, and has a tendency towards M1 polarization. Therefore, maintaining the immune balance of M1/M2 macrophages may be a novel therapeutic alternative for the management of severe chronic periodontitis.
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Affiliation(s)
- Wenjuan Zhang
- Department of Periodontics, School of Stomatology of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Ning Guan
- Key Laboratory of Brain and Spinal Cord Injury Research, First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Xiumei Zhang
- Department of Biochemistry and Molecular Biology, Jinzhou Medical University, Liaoning, China
| | - Yizhen Liu
- Department of Periodontics, School of Stomatology of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Xiuqiu Gao
- Department of Periodontics, School of Stomatology of Jinzhou Medical University, Jinzhou, Liaoning, China
| | - Linyuan Wang
- Department of Periodontics, School of Stomatology of Jinzhou Medical University, Jinzhou, Liaoning, China
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FUJIWARA SHINTARO, URATA KENTARO, OTO TATSUKI, HAYASHI YOSHINORI, HITOMI SUZURO, IWATA KOICHI, IINUMA TOSHIMITSU, SHINODA MASAMICHI. Age-related Changes in Trigeminal Ganglion Macrophages Enhance Orofacial Ectopic Pain After Inferior Alveolar Nerve Injury. In Vivo 2023; 37:132-142. [PMID: 36593019 PMCID: PMC9843755 DOI: 10.21873/invivo.13062] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 01/04/2023]
Abstract
BACKGROUND/AIM The ectopic pain associated with inferior alveolar nerve (IAN) injury has been reported to involve macrophage expression in the trigeminal ganglion (TG). However, the effect of age-related changes on this abnormal pain conditions are still unknown. This study sought to clarify the involvement of age-related changes in macrophage expression and phenotypic conversion in the TG and how these changes enhance ectopic mechanical allodynia after IAN transection (IANX). MATERIALS AND METHODS We used senescence-accelerated mouse (SAM)-prone 8 (SAMP8) and SAM-resistance 1 (SAMR1) mice, which are commonly used to study ageing-related changes. Mechanical stimulation was applied to the whisker pad skin under light anaesthesia; the mechanical head withdrawal threshold (MHWT) was measured for 21 d post-IANX. We subsequently counted the numbers of Iba1 (macrophage marker)-immunoreactive (IR) cells, Iba1/CD11c (M1-like inflammatory macrophage marker)-co-IR cells, and Iba1/CD206 (M2-like anti-inflammatory macrophage marker)-co-IR cells in the TG innervating the whisker pad skin. After continuous intra-TG administration of liposomal clodronate Clophosome®-A (LCCA) to IANX-treated SAMP8-mice, the MHWT values of the whisker pad skin were examined. RESULTS Five days post-IANX, the MHWT had significantly decreased in SAMP8 mice compared to SAMR1-mice. Iba1-IR and Iba1/CD11c-co-IR cell counts were significantly increased in SAMP8 mice compared to SAMR1 mice 5 d post-IANX. LCCA administration significantly restored MHWT compared to control-LCCA administration. CONCLUSION Ectopic mechanical allodynia of whisker pad skin after IANX is exacerbated by ageing, which involves increases in M1-like inflammatory macrophages in the TG.
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Affiliation(s)
- SHINTARO FUJIWARA
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - KENTARO URATA
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - TATSUKI OTO
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - YOSHINORI HAYASHI
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - SUZURO HITOMI
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - KOICHI IWATA
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
| | - TOSHIMITSU IINUMA
- Department of Complete Denture Prosthodontics, Nihon University School of Dentistry, Tokyo, Japan
| | - MASAMICHI SHINODA
- Department of Physiology, Nihon University School of Dentistry, Tokyo, Japan
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Zhang X, Bai W, Hu L, Ha H, Du Y, Xiong W, Wang H, Shang P. The pleiotropic mode and molecular mechanism of macrophages in promoting tumor progression and metastasis. Clin Transl Oncol 2023; 25:91-104. [PMID: 36071369 DOI: 10.1007/s12094-022-02932-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 08/22/2022] [Indexed: 01/07/2023]
Abstract
Macrophages are the most abundant immune cells in primary and metastatic tumor tissues. Studies have shown that macrophages mainly exhibit a tumor-promoting phenotype and play a key role in tumor progression and metastasis. Therefore, many macrophage-targeted drugs have entered clinical trials. However, compared to preclinical studies, some clinical trial results showed that macrophage-targeted therapy did not achieve the desired effect. This may be because most of what we know about macrophages comes from in vitro experiments and animal models, while macrophages in the more complex human microenvironment are still poorly understood. With the development of technologies such as single-cell RNA sequencing, we have gained a new understanding of the origin, classification and functional mechanism of tumor-associated macrophages. Therefore, this study reviewed the recent progress of macrophages in promoting tumor progression and metastasis, aiming to provide some help for the formulation of optimal strategies for macrophage-targeted therapy.
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Affiliation(s)
- Xingxing Zhang
- Department of Urology, Institute of Urology, Gansu Nephro-Urological Clinical Center, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China
| | - Wenxiu Bai
- Ultrasonic Special Examination Department, Tai An TSCM Hospital, Taian, 271000, Shandong, China
| | - Lisha Hu
- Ultrasonic Special Examination Department, Tai An TSCM Hospital, Taian, 271000, Shandong, China
| | - Hualan Ha
- Department of Urology, Institute of Urology, Gansu Nephro-Urological Clinical Center, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China
| | - Yuelin Du
- Department of Urology, Institute of Urology, Gansu Nephro-Urological Clinical Center, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China
| | - Wei Xiong
- Department of Urology, Institute of Urology, Gansu Nephro-Urological Clinical Center, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China
| | - Hongbo Wang
- Department of Urology, Institute of Urology, Gansu Nephro-Urological Clinical Center, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China
| | - Panfeng Shang
- Department of Urology, Institute of Urology, Gansu Nephro-Urological Clinical Center, Key Laboratory of Urological Diseases in Gansu Province, Lanzhou University Second Hospital, Lanzhou, 730030, Gansu, China.
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Flores JJ, Ding Y, Sherchan P, Zhang JH, Tang J. Annexin A1 upregulates hematoma resolution via the FPR2/p-ERK(1/2)/DUSP1/CD36 signaling pathway after germinal matrix hemorrhage. Exp Neurol 2023; 359:114257. [PMID: 36279933 PMCID: PMC10681750 DOI: 10.1016/j.expneurol.2022.114257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/29/2022] [Accepted: 10/17/2022] [Indexed: 11/05/2022]
Abstract
Germinal matrix hemorrhage (GMH) is one of the leading causes of morbidity and mortality in preterm infants in the United States, with little progress made in its clinical management. Blood clots disrupting normal cerebrospinal fluid circulation and absorption after germinal matrix hemorrhage are key contributors towards post-hemorrhagic hydrocephalus development. n-formyl peptide receptor 2 (FPR2), a G-protein-coupled receptor, has been associated with the activation of p-ERK1/2, which in turn promotes the transcription of the DUSP1 gene, which may play a role in CD36 signaling. CD36 scavenger, a transmembrane glycoprotein, plays an essential role in microglia phagocytic blood clot clearance after GMH. FPR2's role in blood clot clearance after hemorrhagic stroke is unknown. We hypothesize that FPR2 activation by FPR2 agonist Annexin A1 (AnxA1) will enhance hematoma resolution via the upregulation of the CD36 signaling pathway, thereby improving short- and long-term neurological outcomes. Bacterial collagenase (0.3 U) was infused intraparenchymally into the right hemispheric ganglionic eminence in P7 rat pups to induce GMH. AnxA1 and FPR2 Inhibitor (Boc2) were given at 1-h post-GMH via intranasal administration. FPR2 CRISPR was given 48-h prior to GMH induction. Short-term neurological deficits were assessed using negative geotaxis test. Hematoma volume was assessed using hemoglobin assay. Protein expression was assessed using western blots. Long-term neurocognitive deficits and motor coordination were assessed using Morris water maze, rotarod, and foot fault tests. We have demonstrated that AnxA1 treatment enhances hematoma resolution and improved short and long-term outcomes. Lastly, FPR2 agonist AnxA1 treatment resulted in the upregulation of the FPR2/p-ERK(1/2)/DUSP1/CD36 signaling pathway.
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Affiliation(s)
- Jerry J Flores
- Department of Physiology & Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Yan Ding
- Department of Physiology & Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Prativa Sherchan
- Department of Physiology & Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - John H Zhang
- Department of Physiology & Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA; Departments of Anesthesiology and Neurosurgery, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Jiping Tang
- Department of Physiology & Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA.
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Zhang S, Rautela J, Bediaga NG, Kolesnik TB, You Y, Nie J, Dagley LF, Bedo J, Wang H, Sun L, Sutherland R, Surgenor E, Iannarella N, Allan R, Souza-Fonseca-Guimaraes F, Xie Y, Wang Q, Zhang Y, Xu Y, Nutt SL, Lew AM, Huntington ND, Nicholson SE, Chopin M, Zhan Y. CIS controls the functional polarization of GM-CSF-derived macrophages. Cell Mol Immunol 2023; 20:65-79. [PMID: 36471114 PMCID: PMC9794780 DOI: 10.1038/s41423-022-00957-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 10/24/2022] [Accepted: 11/07/2022] [Indexed: 12/12/2022] Open
Abstract
The cytokine granulocyte-macrophage-colony stimulating factor (GM-CSF) possesses the capacity to differentiate monocytes into macrophages (MØs) with opposing functions, namely, proinflammatory M1-like MØs and immunosuppressive M2-like MØs. Despite the importance of these opposing biological outcomes, the intrinsic mechanism that regulates the functional polarization of MØs under GM-CSF signaling remains elusive. Here, we showed that GM-CSF-induced MØ polarization resulted in the expression of cytokine-inducible SH2-containing protein (CIS) and that CIS deficiency skewed the differentiation of monocytes toward immunosuppressive M2-like MØs. CIS deficiency resulted in hyperactivation of the JAK-STAT5 signaling pathway, consequently promoting downregulation of the transcription factor Interferon Regulatory Factor 8 (IRF8). Loss- and gain-of-function approaches highlighted IRF8 as a critical regulator of the M1-like polarization program. In vivo, CIS deficiency induced the differentiation of M2-like macrophages, which promoted strong Th2 immune responses characterized by the development of severe experimental asthma. Collectively, our results reveal a CIS-modulated mechanism that clarifies the opposing actions of GM-CSF in MØ differentiation and uncovers the role of GM-CSF in controlling allergic inflammation.
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Affiliation(s)
- Shengbo Zhang
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Jai Rautela
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
- oNKo-Innate Pty Ltd, Moonee Ponds, VIC, Australia
| | - Naiara G Bediaga
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Tatiana B Kolesnik
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
| | - Yue You
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Junli Nie
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Laura F Dagley
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Justin Bedo
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Computing and Information Systems, University of Melbourne, Parkville, VIC, Australia
| | - Hanqing Wang
- Department of Respiratory Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Centre, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Li Sun
- College of Biological Science, Anhui Normal University, Hefei, China
| | - Robyn Sutherland
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Elliot Surgenor
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
| | - Nadia Iannarella
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
| | - Rhys Allan
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Fernando Souza-Fonseca-Guimaraes
- University of Queensland Diamantina Institute, University of Queensland, Translational Research Institute, Brisbane, QLD, Australia
| | - Yi Xie
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Program in Cardiovascular and Metabolic Disorders, Duke-NUS Medical School, Duke, Singapore
| | - Qike Wang
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Yuxia Zhang
- Department of Respiratory Medicine, Guangzhou Institute of Pediatrics, Guangzhou Women and Children's Medical Centre, State Key Laboratory of Respiratory Diseases, Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Yuekang Xu
- College of Biological Science, Anhui Normal University, Hefei, China
| | - Stephen L Nutt
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Andrew M Lew
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Nicholas D Huntington
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia
- oNKo-Innate Pty Ltd, Moonee Ponds, VIC, Australia
| | - Sandra E Nicholson
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia
| | - Michaël Chopin
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia.
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia.
- Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Clayton, VIC, Australia.
| | - Yifan Zhan
- Walter and Eliza Hall Institute of Medical Research, Parkville, VIC, Australia.
- Department of Medical Biology, University of Melbourne, Parkville, VIC, Australia.
- Drug Discovery, Shanghai Huaota Biopharm, Shanghai, China.
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Djuric N, Lafeber G, Li W, van Duinen S, Vleggeert-Lankamp C. Exploring macrophage differentiation and its relation to Modic changes in human herniated disc tissue. Brain Spine 2022; 2:101698. [PMID: 36605391 PMCID: PMC9808448 DOI: 10.1016/j.bas.2022.101698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 10/09/2022] [Accepted: 11/23/2022] [Indexed: 11/27/2022]
Abstract
Introduction Cervical- and lumbosacral radiculopathy symptoms due to disc herniation are likely to be influenced by macrophage infiltration of the herniated disc. Vertebral endplate changes are hypothesized to, at least partially, correlate to the inflammatory condition of the disc and its environment. Research question The present study aims to evaluate several immunohistochemical M1-and M2-markers for their suitability to discern pro-inflammatory M1-and anti-inflammatory M2 macrophage differentiation patterns in herniated intervertebral disc tissue. In addition, their associations with Modic changes (MC) of the vertebral endplates will be evaluated. Materials and methods Herniated disc samples were collected from 45 patients undergoing surgery for cervical- or lumbosacral radiculopathy. Samples were processed for immunohistochemistry and stained for the presence of macrophages: CD68 (macrophage marker), CD40 (M1), iNOS (M1), CD192 (M1), CD163 (M2), Arg1 (M2) and CD209 (M2). T-cells (CD3) and neutrophil (CD15) expressions were studied additionally. Results CD68 positive cells were present with a median density of 50/cm2, M2 markers CD163 and CD209 were expressed most dominantly, followed by M1 marker CD192. Other M1/M2 markers, T-cell and neutrophil expression was limited. Lumbar samples showed higher expression of iNOS and Arg1 compared to cervical samples. Presence of Modic changes was associated with higher levels of CD68+ cells (p = 0.046), but no significant differences in M1/M2 markers were found. Discussion and conclusion For studying M1 macrophages, CD192 is the most suitable marker due to its high expression; whereas for M2 macrophages, this is CD163 due to its high expression and selectivity. Further, the relatively high expression of M2 markers indicates predominance of anti-inflammatory over pro-inflammatory macrophages in symptomatic lumbar and cervical disc herniations. No associations between M1/M2 markers and MC were seen in this limited number of samples. In order to further explore the role of macrophage differentiation and its relation with MC in radiculopathy, a large prospective trial with elaborate clinical follow-up is required.
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Affiliation(s)
- N. Djuric
- University Neurosurgical Center Holland, the Netherlands
- Department of Neurosurgery, Leiden University Medical Center, the Netherlands
- Corresponding author. Department of Neurosurgery of the LUMC, Albinusdreef 2, 2333ZA, Leiden, the Netherlands.
| | - G.C.M. Lafeber
- University Neurosurgical Center Holland, the Netherlands
- Department of Neurosurgery, Leiden University Medical Center, the Netherlands
| | - W. Li
- University Neurosurgical Center Holland, the Netherlands
- Department of Neurosurgery, Leiden University Medical Center, the Netherlands
| | - S.G. van Duinen
- Department of Pathology, Leiden University Medical Center, the Netherlands
| | - C.L.A. Vleggeert-Lankamp
- University Neurosurgical Center Holland, the Netherlands
- Department of Neurosurgery, Leiden University Medical Center, the Netherlands
- Department of Neurosurgery, The Hague Medical Center and HAGA Teaching Hospital, The Hague, the Netherlands
- Department of Neurosurgery, Spaarne Hospital Haarlem/Hoofddorp, the Netherlands
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Atri-Schuller A, Abushukair H, Cavalcante L, Hentzen S, Saeed A, Saeed A. Tumor Molecular and Microenvironment Characteristics in EBV-Associated Malignancies as Potential Therapeutic Targets: Focus on Gastric Cancer. Curr Issues Mol Biol 2022; 44:5756-5767. [PMID: 36421674 PMCID: PMC9689242 DOI: 10.3390/cimb44110390] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/07/2022] [Accepted: 11/07/2022] [Indexed: 09/30/2023] Open
Abstract
Although most people are infected with Epstein-Barr Virus (EBV) during their lifetime, only a minority of them develop an EBV-associated malignancy. EBV acts in both direct and indirect ways to transform infected cells into tumor cells. There are multiple ways in which the EBV, host, and tumor environment interact to promote malignant transformation. This paper focuses on some of the mechanisms that EBV uses to transform the tumor microenvironment (TME) of EBV-associated gastric cancer (EBVaGC) for its benefit, including overexpression of Indoleamine 2,3-Dioxygenase 1 (IDO1), synergism between H. pylori and EBV co-infection, and M1 to M2 switch. In this review, we expand on different modalities and combinatorial approaches to therapeutically target this mechanism.
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Affiliation(s)
- Aviva Atri-Schuller
- Department of Internal Medicine, University of Cincinnati, Cincinnati, OH 45219, USA
| | - Hassan Abushukair
- Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Ludimila Cavalcante
- Department of Hematology and Medical Oncology, Winship Cancer Institute of Emory University, Atlanta, GA 30322, USA
| | - Stijn Hentzen
- Department of Internal Medicine, Kansas University Medical Center, Kansas City, KS 66160, USA
| | - Azhar Saeed
- Department of Pathology, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT 84112, USA
| | - Anwaar Saeed
- Department of Medicine, Division of Medical Oncology, University of Kansas Cancer Center, 2330 Shawnee Mission Pkwy, Kansas City, KS 66205, USA
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Sharifiaghdam M, Shaabani E, Faridi-Majidi R, De Smedt SC, Braeckmans K, Fraire JC. Macrophages as a therapeutic target to promote diabetic wound healing. Mol Ther 2022; 30:2891-2908. [PMID: 35918892 PMCID: PMC9482022 DOI: 10.1016/j.ymthe.2022.07.016] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 07/06/2022] [Accepted: 07/21/2022] [Indexed: 11/21/2022] Open
Abstract
It is well established that macrophages are key regulators of wound healing, displaying impressive plasticity and an evolving phenotype, from an aggressive pro-inflammatory or "M1" phenotype to a pro-healing or "M2" phenotype, depending on the wound healing stage, to ensure proper healing. Because dysregulated macrophage responses have been linked to impaired healing of diabetic wounds, macrophages are being considered as a therapeutic target for improved wound healing. In this review, we first discuss the role of macrophages in a normal skin wound healing process and discuss the aberrations that occur in macrophages under diabetic conditions. Next we provide an overview of recent macrophage-based therapeutic approaches, including delivery of ex-vivo-activated macrophages and delivery of pharmacological strategies aimed at eliminating or re-educating local skin macrophages. In particular, we focus on strategies to silence key regulator genes to repolarize wound macrophages to the M2 phenotype, and we provide a discussion of their potential future clinical translation.
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Affiliation(s)
- Maryam Sharifiaghdam
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium; Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Elnaz Shaabani
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium; Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Faridi-Majidi
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Stefaan C De Smedt
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium
| | - Kevin Braeckmans
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium; Center for Advanced Light Microscopy, Ghent University, 9000 Ghent, Belgium.
| | - Juan C Fraire
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmacy, Ghent University, 9000 Ghent, Belgium.
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Jayasingam SD, Citartan M, Mat Zin AA, Rozhdestvensky TS, Tang TH, Ch'ng ES. An Eleven-microRNA Signature Related to Tumor-Associated Macrophages Predicts Prognosis of Breast Cancer. Int J Mol Sci 2022; 23. [PMID: 35805995 DOI: 10.3390/ijms23136994] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 11/16/2022] Open
Abstract
The dysregulation of microRNAs (miRNAs) has been known to play important roles in tumor development and progression. However, the understanding of the involvement of miRNAs in regulating tumor-associated macrophages (TAMs) and how these TAM-related miRNAs (TRMs) modulate cancer progression is still in its infancy. This study aims to explore the prognostic value of TRMs in breast cancer via the construction of a novel TRM signature. Potential TRMs were identified from the literature, and their prognostic value was evaluated using 1063 cases in The Cancer Genome Atlas Breast Cancer database. The TRM signature was further validated in the external Gene Expression Omnibus GSE22220 dataset. Gene sets enrichment analyses were performed to gain insight into the biological functions of this TRM signature. An eleven-TRM signature consisting of mir-21, mir-24-2, mir-125a, mir-221, mir-22, mir-501, mir-365b, mir-660, mir-146a, let-7b and mir-31 was constructed. This signature significantly differentiated the high-risk group from the low-risk in terms of overall survival (OS)/ distant-relapse free survival (DRFS) (p value < 0.001). The prognostic value of the signature was further enhanced by incorporating other independent prognostic factors in a nomogram-based prediction model, yielding the highest AUC of 0.79 (95% CI: 0.72−0.86) at 5-year OS. Enrichment analyses confirmed that the differentially expressed genes were mainly involved in immune-related pathways such as adaptive immune response, humoral immune response and Th1 and Th2 cell differentiation. This eleven-TRM signature has great potential as a prognostic factor for breast cancer patients besides unravelling the dysregulated immune pathways in high-risk breast cancer.
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Marcoccia D, Smeriglio A, Mantovani A, Trombetta D, Lorenzetti S. Intracellular distribution of vinclozolin and its metabolites differently affects 5α-dihydrotestosterone (DHT)-induced PSA secretion in LNCaP cells. Reprod Toxicol 2022; 111:83-91. [PMID: 35595151 DOI: 10.1016/j.reprotox.2022.05.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 10/18/2022]
Abstract
Endocrine disruption mechanisms in prostate are an overlooked issue. The anti-androgenic properties of the fungicide vinclozolin (VIN) and its active metabolites - 2-[[(3,5- dichlorophenyl)-carbamoyl]oxy]-2-methyl-3-butenoic acid (M1) and 3'5'-dichloro-2-hydroxy-2- methylbut-3-enanilide (M2) - were assessed on human prostate-derived cells (LNCaP); the effects were investigated also upon co-treatment with 5α-dihydrotestosterone (DHT), the physiological androgen receptor (AR)-agonist, and compared to the anti-androgenic drugs, 2-hydroxy-flutamide (2OH-FTA) and bicalutamide (BIC). Assessed endpoints were the cellular uptake and subcellular localization of VIN, M1 and M2, DHT-induced PSA gene expression and secretion. VIN, its metabolites, and the reference drugs, significantly reduced DHT-induced PSA secretion and gene expression, M2 showing the strongest downregulation. In absence of DHT, 2OH-FTA and BIC showed a very high (>98%) LNCaP uptake with a predominant intranuclear localization (BIC=80%, 2OH-FTA=70%). VIN cellular uptake was 42%: 24.7% made up by M2, mostly localized at nuclear level, differently from VIN and M1. Upon DHT co-treatment, VIN intracellular uptake increased by 28%, especially in the microsomal fraction (MF); M2 also increased mainly in MF but also, to a lower extent, in the intranuclear fraction. Finally, in a 72-hr time-course, the LNCaP uptake of VIN and its metabolites was much faster compared to purified M1 and M2. Overall, M2 resulted the leading compound for VIN endocrine-disrupting effects in LNCaP.
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Affiliation(s)
- Daniele Marcoccia
- Dpt. of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità - ISS, viale Regina Elena 299, 00161Rome, Italy.
| | - Antonella Smeriglio
- Dpt. of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy.
| | - Alberto Mantovani
- Dpt. of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità - ISS, viale Regina Elena 299, 00161Rome, Italy.
| | - Domenico Trombetta
- Dpt. of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166 Messina, Italy.
| | - Stefano Lorenzetti
- Dpt. of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità - ISS, viale Regina Elena 299, 00161Rome, Italy.
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Zhang X, Abel T, Su S, Herrmann A, Ludwig K, Veit M. Structural and functional analysis of the roles of influenza C virus membrane proteins in assembly and budding. J Biol Chem 2022; 298:101727. [PMID: 35157850 PMCID: PMC8914389 DOI: 10.1016/j.jbc.2022.101727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 11/24/2022] Open
Abstract
Assembly and budding of the influenza C virus is mediated by three membrane proteins: the hemagglutinin-esterase-fusion glycoprotein (HEF), the matrix protein (CM1), and the ion channel (CM2). Here we investigated whether the formation of the hexagonal HEF arrangement, a distinctive feature of influenza C virions is important for virus budding. We used super resolution microscopy and found 250-nm sized HEF clusters at the plasma membrane of transfected cells, which were insensitive to cholesterol extraction and cytochalasin treatment. Overexpression of either CM1, CM2, or HEF caused the release of membrane-enveloped particles. Cryo-electron microscopy of the latter revealed spherical vesicles exhibiting the hexagonal HEF clusters. We subsequently used reverse genetics to identify elements in HEF required for this clustering. We found that deletion of the short cytoplasmic tail of HEF reduced virus titer and hexagonal HEF arrays, suggesting that an interaction with CM1 stabilizes the HEF clusters. In addition, we substituted amino acids at the surface of the closed HEF conformation and identified specific mutations that prevented virus rescue, others reduced virus titers and the number of HEF clusters in virions. Finally, mutation of two regions that mediate contacts between trimers in the in-situ structure of HEF was shown to prevent rescue of infectious virus particles. Mutations at residues thought to mediate lateral interactions were revealed to promote intracellular trafficking defects. Taken together, we propose that lateral interactions between the ectodomains of HEF trimers are a driving force for virus budding, although CM2 and CM1 also play important roles in this process.
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Affiliation(s)
- Xu Zhang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China; Institut für Virologie, Freie Universität Berlin, Berlin, Germany
| | - Tim Abel
- Institut für Biologie/Molekulare Biophysik, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Shuo Su
- MOE Joint International Research Laboratory of Animal Health and Food Safety, Engineering Laboratory of Animal Immunity of Jiangsu Province, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, China.
| | - Andreas Herrmann
- Institut für Biologie/Molekulare Biophysik, Humboldt-Universität zu Berlin, Berlin, Germany; Biophysikalische Chemie, Institut für Chemie und Biochemie, Freie Universität Berlin, Berlin, Germany
| | - Kai Ludwig
- Department of Chemistry and Biochemistry and Core Facility BioSupraMol, Research Center of Electron Microscopy, Free University Berlin, Berlin, Germany
| | - Michael Veit
- Institut für Virologie, Freie Universität Berlin, Berlin, Germany.
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Exley MA, Garcia S, Zellander A, Zilberberg J, Andrews DW. Challenges and Opportunities for Immunotherapeutic Intervention against Myeloid Immunosuppression in Glioblastoma. J Clin Med 2022; 11:1069. [PMID: 35207340 DOI: 10.3390/jcm11041069] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 02/05/2022] [Accepted: 02/10/2022] [Indexed: 12/25/2022] Open
Abstract
Glioblastoma multiforme (GBM), the most common and deadly brain cancer, exemplifies the paradigm that cancers grow with help from an immunosuppressive tumor microenvironment (TME). In general, TME includes a large contribution from various myeloid lineage-derived cell types, including (in the brain) altered pathogenic microglia as well as monocyte-macrophages (Macs), myeloid-derived suppressor cells (MDSC) and dendritic cell (DC) populations. Each can have protective roles, but has, by definition, been coopted by the tumor in patients with progressive disease. However, evidence demonstrates that myeloid immunosuppressive activities can be reversed in different ways, leading to enthusiasm for this therapeutic approach, both alone and in combination with potentially synergistic immunotherapeutic and other strategies. Here, we review the current understanding of myeloid cell immunosuppression of anti-tumor responses as well as potential targets, challenges, and developing means to reverse immunosuppression with various therapeutics and their status. Targets include myeloid cell colony stimulating factors (CSFs), insulin-like growth factor 1 (IGF1), several cytokines and chemokines, as well as CD40 activation and COX2 inhibition. Approaches in clinical development include antibodies, antisense RNA-based drugs, cell-based combinations, polarizing cytokines, and utilizing Macs as a platform for Chimeric Antigen Receptors (CAR)-based tumor targeting, like with CAR-T cells. To date, promising clinical results have been reported with several of these approaches.
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Maneechote C, Palee S, Kerdphoo S, Jaiwongkam T, Chattipakorn SC, Chattipakorn N. Modulating mitochondrial dynamics attenuates cardiac ischemia-reperfusion injury in prediabetic rats. Acta Pharmacol Sin 2022; 43:26-38. [PMID: 33712720 PMCID: PMC8724282 DOI: 10.1038/s41401-021-00626-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 02/09/2021] [Indexed: 02/08/2023] Open
Abstract
Mitochondria are extraordinarily dynamic organelles that have a variety of morphologies, the status of which are controlled by the opposing processes of fission and fusion. Our recent study shows that inhibition of excessive mitochondrial fission by Drp1 inhibitor (Mdivi-1) leads to a reduction in infarct size and left ventricular (LV) dysfunction following cardiac ischemia-reperfusion (I/R) injury in high fat-fed induced pre-diabetic rats. In the present study, we investigated the cardioprotective effects of a mitochondrial fusion promoter (M1) and a combined treatment (M1 and Mdivi-1) in pre-diabetic rats. Wistar rats were given a high-fat diet for 12 weeks to induce prediabetes. The rats then subjected to 30 min-coronary occlusions followed by reperfusion for 120 min. These rats were intravenously administered M1 (2 mg/kg) or M1 (2 mg/kg) combined with Mdivi-1 (1.2 mg/kg) prior to ischemia, during ischemia or at the onset of reperfusion. We showed that administration of M1 alone or in combination with Mdivi-1 prior to ischemia, during ischemia or at the onset of reperfusion all significantly attenuated cardiac mitochondrial ROS production, membrane depolarization, swelling and dynamic imbalance, leading to reduced arrhythmias and infarct size, resulting in improved LV function in pre-diabetic rats. In conclusion, the promotion of mitochondrial fusion at any time-points during cardiac I/R injury attenuated cardiac mitochondrial dysfunction and dynamic imbalance, leading to decreased infarct size and improved LV function in pre-diabetic rats.
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Affiliation(s)
- Chayodom Maneechote
- grid.7132.70000 0000 9039 7662Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200 Thailand ,grid.7132.70000 0000 9039 7662Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200 Thailand ,grid.7132.70000 0000 9039 7662Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Siripong Palee
- grid.7132.70000 0000 9039 7662Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200 Thailand ,grid.7132.70000 0000 9039 7662Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Sasiwan Kerdphoo
- grid.7132.70000 0000 9039 7662Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200 Thailand ,grid.7132.70000 0000 9039 7662Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Thidarat Jaiwongkam
- grid.7132.70000 0000 9039 7662Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200 Thailand ,grid.7132.70000 0000 9039 7662Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Siriporn C. Chattipakorn
- grid.7132.70000 0000 9039 7662Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200 Thailand ,grid.7132.70000 0000 9039 7662Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200 Thailand
| | - Nipon Chattipakorn
- grid.7132.70000 0000 9039 7662Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200 Thailand ,grid.7132.70000 0000 9039 7662Cardiac Electrophysiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200 Thailand ,grid.7132.70000 0000 9039 7662Center of Excellence in Cardiac Electrophysiology Research, Chiang Mai University, Chiang Mai, 50200 Thailand
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Barseem NF, Khattab E, Dawood R, Mohamed S. GST T1, M1, and IRS-1 G972R Genetic Variants Association to Gestational Diabetes Mellitus (GDM) in Egyptian Women: Linkage to Maternal Hyperglycemia. Curr Diabetes Rev 2022; 18:e021921191604. [PMID: 33605864 DOI: 10.2174/1573399817666210219124628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/20/2020] [Accepted: 12/23/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Gestational Diabetes Mellitus (GDM) shares in part the pathogenic mechanisms of multiple genetic interactions. Some of the T2D susceptibility genes are encountered in association with GDM. OBJECTIVE We aimed to investigate GST T1, M1, and G972R IRS-I gene polymorphisms with the risk of developing GDM. METHODS In this randomized case-control study, pregnant women with GDM were genotyped by PCR analysis for glutathione s-transferase-T1, M1 variant polymorphisms. RFLP was done for the G972R IRS 1 gene. Their newborns were additionally assayed for the whole of the clinical, laboratory, and genetic aspects. RESULTS The T allele IRS-1rs1801278 TT genotype was more frequently detected in GDM mothers in comparison to healthy control ones [for TT homozygous variant; OR(CI 95%): 2.05(1.09-3.87, p: 0.025)]. Furthermore, GST T1 null was significantly presented in GDM mothers than those of control mothers [OR (CI95%: 0.29 (0.084-1.02), p:0.04]. Added to the significant correlation of glycemic indices to clinical parameters of infants born to GDM, the M1-null genotype of GST was significantly correlated (p<0.05) to abnormal values of respiratory rates and 1 minute-APGAR score noted for extra NICU care. CONCLUSION Our results suggested that GST T1null and IRS-1 TT genotypic variants were claimed for GDM development among Egyptian women with a possible impact on their newly born infants.
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Affiliation(s)
- Naglaa Fathy Barseem
- Pediatric Department, Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt
| | - Essam Khattab
- Department of Chemistry, Biochemistry Division, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Ragab Dawood
- Department of Obstetrics and Gynecology, Faculty of Medicine, Menoufia University, Shebin El-Kom, Egypt
| | - Sally Mohamed
- Department of Preventive Medicine, Epidemiology and Biostatistics, National Liver Institute, Menoufia University, Shebin El-Kom, Egypt
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45
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Ito KL, Kim B, Liu J, Soekadar SR, Winstein C, Yu C, Cramer SC, Schweighofer N, Liew SL. Corticospinal Tract Lesion Load Originating From Both Ventral Premotor and Primary Motor Cortices Are Associated With Post-stroke Motor Severity. Neurorehabil Neural Repair 2021; 36:179-182. [PMID: 34951947 DOI: 10.1177/15459683211068441] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Lesion load of the corticospinal tract (CST-LL), a measure of overlap between a stroke lesion and the CST, is one of the strongest predictors of motor outcomes following stroke. CST-LL is typically calculated by using a probabilistic map of the CST originating from the primary motor cortex (M1). However, higher order motor areas also have projections that contribute to the CST and motor control. In this retrospective study, we examined whether evaluating CST-LL from additional motor origins is more strongly associated with post-stroke motor severity than using CST-LL originating from M1 only. We found that lesion load to both the ventral premotor (PMv) cortex and M1 were more strongly related to stroke motor severity indexed by Fugl-Meyer Assessment cut-off scores than CST-LL of M1 alone, suggesting that higher order motor regions add clinical relevance to motor impairment.
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Affiliation(s)
- Kaori L Ito
- Division of Occupational Science and Occupational Therapy, Herman Ostrow School of Dentistry, 5116University of Southern California, Los Angeles, CA, USA
| | - Bokkyu Kim
- Department of Physical Therapy Education, College of Health Professions, 5116SUNY Upstate Medical University, Syracuse, NY, USA
| | - Jingchun Liu
- Department of Radiology and Tianjin Key Laboratory of Functional Imaging, Tianjin Medical University General Hospital, Tianjin, China
| | - Surjo R Soekadar
- Clinical Neurotechnology Laboratory, Dept. of Psychiatry and Neurosciences (CCM), Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Carolee Winstein
- Division of Biokinesiology and Physical Therapy, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA.,Department of Neurology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Chunshui Yu
- Department of Radiology and Tianjin Key Laboratory of Functional Imaging, Tianjin Medical University General Hospital, Tianjin, China.,CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China
| | - Steven C Cramer
- Department of Neurology, UCLA; California Rehabilitation Institute, Los Angeles, CA, USA
| | - Nicolas Schweighofer
- Division of Biokinesiology and Physical Therapy, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA
| | - Sook-Lei Liew
- Division of Occupational Science and Occupational Therapy, Herman Ostrow School of Dentistry, 5116University of Southern California, Los Angeles, CA, USA.,Division of Biokinesiology and Physical Therapy, Herman Ostrow School of Dentistry, University of Southern California, Los Angeles, CA, USA.,Department of Neurology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
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Abstract
Macrophages are present in most human tissues and have very diverse functions. Activated macrophages are usually divided into two phenotypes, M1 macrophages and M2 macrophages, which are altered by various factors such as microorganisms, tissue microenvironment, and cytokine signals. Macrophage polarity is very important for infections, inflammatory diseases, and malignancies; its management can be key in the prevention and treatment of diseases. In this review, we assess the current state of knowledge on macrophage polarity and report on its prospects as a therapeutic target.
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Affiliation(s)
| | - Kouji Izumi
- Correspondence: ; Tel.: +81-76-265-2393; Fax: +81-76-234-4263
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47
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Li Y, Li Z, Zhao Y, Chen X. Potentiation of Recombinant NP and M1-Induced Cellular Immune Responses and Protection by Physical Radiofrequency Adjuvant. Vaccines (Basel) 2021; 9:1382. [PMID: 34960128 PMCID: PMC8706500 DOI: 10.3390/vaccines9121382] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/18/2021] [Accepted: 11/19/2021] [Indexed: 11/25/2022] Open
Abstract
Nucleoprotein (NP) and matrix protein 1 (M1) are highly conserved among influenza A viruses and have been attractive targets to develop vaccines to elicit cross-reactive cytotoxic T lymphocytes (CTLs). Yet, external antigens are often presented on major histocompatibility complex class II molecules and elicit humoral immune responses. In this study, we present a physical radiofrequency adjuvant (RFA) to assist recombinant NP and M1 to elicit potent CTL responses. We found recombinant NP/M1 immunization in the presence of RFA could elicit potent anti-NP CTLs and confer significant protection against homologous viral challenges, while NP/M1 immunization alone failed to elicit significant CTL responses or confer significant protection. Interestingly, RFA failed to elicit potent anti-M1 CTL responses or anti-NP or anti-M1 antibody responses. Different from RFA, AddaVax adjuvant was found to significantly increase NP-specific antibody responses but not CTLs. NP/M1 immunization in the presence of RFA or AddaVax similarly reduced body weight loss, while only the former significantly increased the survival. We further found NP/M1 immunization in the presence of RFA did not significantly increase serum IL-6 release (a systemic inflammatory mediator) and rather reduced serum IL-6 release after boost immunization. NP/M1 immunization in the presence of RFA did not induce significant local reactions or increase body temperature of mice. The high potency and safety strongly support further development of RFA-based recombinant NP/M1 vaccine to elicit cross-protective immunity.
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Affiliation(s)
| | | | | | - Xinyuan Chen
- Biomedical and Pharmaceutical Sciences, College of Pharmacy, University of Rhode Island, Kingston, RI 02881, USA; (Y.L.); (Z.L.); (Y.Z.)
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Russo S, Kwiatkowski M, Govorukhina N, Bischoff R, Melgert BN. Meta-Inflammation and Metabolic Reprogramming of Macrophages in Diabetes and Obesity: The Importance of Metabolites. Front Immunol 2021; 12:746151. [PMID: 34804028 PMCID: PMC8602812 DOI: 10.3389/fimmu.2021.746151] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 10/19/2021] [Indexed: 12/13/2022] Open
Abstract
Diabetes mellitus type II and obesity are two important causes of death in modern society. They are characterized by low-grade chronic inflammation and metabolic dysfunction (meta-inflammation), which is observed in all tissues involved in energy homeostasis. A substantial body of evidence has established an important role for macrophages in these tissues during the development of diabetes mellitus type II and obesity. Macrophages can activate into specialized subsets by cues from their microenvironment to handle a variety of tasks. Many different subsets have been described and in diabetes/obesity literature two main classifications are widely used that are also defined by differential metabolic reprogramming taking place to fuel their main functions. Classically activated, pro-inflammatory macrophages (often referred to as M1) favor glycolysis, produce lactate instead of metabolizing pyruvate to acetyl-CoA, and have a tricarboxylic acid cycle that is interrupted at two points. Alternatively activated macrophages (often referred to as M2) mainly use beta-oxidation of fatty acids and oxidative phosphorylation to create energy-rich molecules such as ATP and are involved in tissue repair and downregulation of inflammation. Since diabetes type II and obesity are characterized by metabolic alterations at the organism level, these alterations may also induce changes in macrophage metabolism resulting in unique macrophage activation patterns in diabetes and obesity. This review describes the interactions between metabolic reprogramming of macrophages and conditions of metabolic dysfunction like diabetes and obesity. We also focus on different possibilities of measuring a range of metabolites intra-and extracellularly in a precise and comprehensive manner to better identify the subsets of polarized macrophages that are unique to diabetes and obesity. Advantages and disadvantages of the currently most widely used metabolite analysis approaches are highlighted. We further describe how their combined use may serve to provide a comprehensive overview of the metabolic changes that take place intracellularly during macrophage activation in conditions like diabetes and obesity.
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Affiliation(s)
- Sara Russo
- Department of Analytical Biochemistry, University of Groningen, Groningen, Netherlands
| | - Marcel Kwiatkowski
- Department of Biochemistry and Center for Molecular Biosciences Innsbruck, University of Innsbruck, Innsbruck, Austria
| | - Natalia Govorukhina
- Department of Analytical Biochemistry, University of Groningen, Groningen, Netherlands
| | - Rainer Bischoff
- Department of Analytical Biochemistry, University of Groningen, Groningen, Netherlands
| | - Barbro N Melgert
- Department of Molecular Pharmacology, University of Groningen, Groningen, Netherlands.,Groningen Research Institute for Asthma and COPD (GRIAC), University Medical Center Groningen, Groningen, Netherlands
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Xie L, Xu G, Xin L, Wang Z, Wu R, Wu M, Cheng Y, Wang H, Yan Y, Ma J, Sun J. Eurasian Avian-like M1 Plays More Important Role than M2 in Pathogenicity of 2009 Pandemic H1N1 Influenza Virus in Mice. Viruses 2021; 13:2335. [PMID: 34960604 DOI: 10.3390/v13122335] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/13/2021] [Accepted: 11/19/2021] [Indexed: 12/04/2022] Open
Abstract
Reassortant variant viruses generated between 2009 H1N1 pandemic influenza virus [A(H1N1)pdm09] and endemic swine influenza viruses posed a potential risk to humans. Surprisingly, genetic analysis showed that almost all of these variant viruses contained the M segment from A(H1N1)pdm09, which originated from Eurasian avian-like swine influenza viruses. Studies have shown that the A(H1N1)pdm09 M gene is critical for the transmissibility and pathogenicity of the variant viruses. However, the M gene encodes two proteins, M1 and M2, and which of those plays a more important role in virus pathogenicity remains unknown. In this study, the M1 and M2 genes of A(H1N1)pdm09 were replaced with those of endemic H3N2 swine influenza virus, respectively. The chimeric viruses were rescued and evaluated in vitro and in mice. Both M1 and M2 of H3N2 affected the virus replication in vitro. In mice, the introduction of H3N2 M1 attenuated the chimeric virus, where all the mice survived from the infection, compared with the wild type virus that caused 100 % mortality. However, the chimeric virus containing H3N2 M2 was still virulent to mice, and caused 16.6% mortality, as well as similar body weight loss to the wild type virus infected group. Compared with the wild type virus, the chimeric virus containing H3N2 M1 induced lower levels of inflammatory cytokines and higher levels of anti-inflammatory cytokines, whereas the chimeric virus containing H3N2 M2 induced substantial pro-inflammatory responses, but higher levels of anti-inflammatory cytokines. The study demonstrated that Eurasian avian-like M1 played a more important role than M2 in the pathogenicity of A(H1N1)pdm09 in mice.
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50
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Kashfi K, Kannikal J, Nath N. Macrophage Reprogramming and Cancer Therapeutics: Role of iNOS-Derived NO. Cells 2021; 10:3194. [PMID: 34831416 DOI: 10.3390/cells10113194] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/09/2021] [Accepted: 11/14/2021] [Indexed: 12/15/2022] Open
Abstract
Nitric oxide and its production by iNOS is an established mechanism critical to tumor promotion or suppression. Macrophages have important roles in immunity, development, and progression of cancer and have a controversial role in pro- and antitumoral effects. The tumor microenvironment consists of tumor-associated macrophages (TAM), among other cell types that influence the fate of the growing tumor. Depending on the microenvironment and various cues, macrophages polarize into a continuum represented by the M1-like pro-inflammatory phenotype or the anti-inflammatory M2-like phenotype; these two are predominant, while there are subsets and intermediates. Manipulating their plasticity through programming or reprogramming of M2-like to M1-like phenotypes presents the opportunity to maximize tumoricidal defenses. The dual role of iNOS-derived NO also influences TAM activity by repolarization to tumoricidal M1-type phenotype. Regulatory pathways and immunomodulation achieve this through miRNA that may inhibit the immunosuppressive tumor microenvironment. This review summarizes the classical physiology of macrophages and polarization, iNOS activities, and evidence towards TAM reprogramming with current information in glioblastoma and melanoma models, and the immunomodulatory and therapeutic options using iNOS or NO-dependent strategies.
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