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Xu B, Xu Y, Kong J, Liu Y, Zhang L, Shen F, Wang J, Shen X, Chen H. Chrysin mitigated neuropathic pain and peripheral sensitization in knee osteoarthritis rats by repressing the RAGE/PI3K/AKT pathway regulated by HMGB1. Cytokine 2024; 180:156635. [PMID: 38749277 DOI: 10.1016/j.cyto.2024.156635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/22/2024] [Accepted: 05/02/2024] [Indexed: 06/21/2024]
Abstract
BACKGROUND Knee osteoarthritis (KOA) is a chronic progressive osteoarthropathy. Chrysin's anti-KOA action has been demonstrated, however more research is needed to understand how chrysin contributes to KOA. METHODS LPS/ATP-induced macrophages transfected with or without HMGB1 overexpression underwent 5 μg/mL chrysin. The cell viability and macrophage pyroptosis were examined by cell counting kit-8 and flow cytometer. In vivo experiments, rats were injected with 1 mg monosodium iodoacetate by the infrapatellar ligament of the bilateral knee joint to induce KOA. The histological damage was analyzed by Safranin O/Fast Green staining and hematoxylin and eosin staining. The PWT, PWL and inflammatory factors were analyzed via Von-Frey filaments, thermal radiometer and ELISA. Immunofluorescence assay examined the expressions of CGRP and iNOS. The levels of HMGB1/RAGE-, NLRP3-, PI3K/AKT- and neuronal ion channel-related markers were examined by qPCR and western blot. RESULTS Chrysin alleviated macrophage pyroptosis by inhibiting HMGB1 and the repression of chrysin on HMGB1/RAGE pathway and ion channel activation was reversed by overexpressed HMGB1. HMGB1 facilitated neuronal ion channel activation through the RAGE/PI3K/AKT pathway. Chrysin could improve the pathological injury of knee joints in KOA rats. Chrysin suppressed the HMGB1-regulated RAGE/PI3K/AKT pathway, hence reducing KOA damage and peripheral sensitization. CONCLUSION Chrysin mitigated neuropathic pain and peripheral sensitization in KOA rats by repressing the RAGE/PI3K/AKT pathway modulated by HMGB1.
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Affiliation(s)
- Bo Xu
- Department of Orthopedics and Traumatology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215000, Jiangsu Province, PR China
| | - Yue Xu
- Department of Orthopedics and Traumatology, Changshu Hospital Affiliated to Nanjing University of Chinese Medicine, Changshu 215500, Jiangsu Province, PR China
| | - Jian Kong
- Department of Orthopedics and Traumatology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215000, Jiangsu Province, PR China
| | - Yujiang Liu
- Department of Orthopedics and Traumatology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215000, Jiangsu Province, PR China
| | - Long Zhang
- Department of Orthopedics and Traumatology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215000, Jiangsu Province, PR China
| | - Fan Shen
- Department of Orthopedics and Traumatology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215000, Jiangsu Province, PR China
| | - Jiangping Wang
- Department of Orthopedics and Traumatology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215000, Jiangsu Province, PR China
| | - Xiaofeng Shen
- Department of Orthopedics and Traumatology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215000, Jiangsu Province, PR China.
| | - Hua Chen
- Department of Orthopedics and Traumatology, Suzhou TCM Hospital Affiliated to Nanjing University of Chinese Medicine, Suzhou 215000, Jiangsu Province, PR China.
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Wang Y, Cui L, Zhao H, He H, Chen L, Song X, Liu D, Qiu J, Sun Y. Exploring the Connectivity of Neurodegenerative Diseases: Microglia as the Center. J Inflamm Res 2023; 16:6107-6121. [PMID: 38107384 PMCID: PMC10725686 DOI: 10.2147/jir.s440377] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 12/05/2023] [Indexed: 12/19/2023] Open
Abstract
Degenerative diseases affect people's life and health and cause a severe social burden. Relevant mechanisms of microglia have been studied, aiming to control and reduce degenerative disease occurrence effectively. This review discussed the specific mechanisms underlying microglia in neurodegenerative diseases, age-related hearing loss, Alzheimer's disease, Parkinson's disease, and peripheral nervous system (PNS) degenerative diseases. It also reviewed the studies of microglia inhibitors (PLX3397/PLX5622) and activators (lipopolysaccharide), and suggested that reducing microglia can effectively curb the genesis and progression of degenerative diseases. Finally, microglial cells' anti-inflammatory and pro-inflammatory dual role was considered the critical communication point in central and peripheral degenerative diseases. Although it is difficult to describe the complex morphological structure of microglia in a unified manner, this does not prevent them from being a target for future treatment of neurodegenerative diseases.
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Affiliation(s)
- Yan Wang
- The Second Medical College, Binzhou Medical University, Yantai, Shandong, People’s Republic of China
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
| | - Limei Cui
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
| | - He Zhao
- The Second Medical College, Binzhou Medical University, Yantai, Shandong, People’s Republic of China
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
| | - Huhuifen He
- The Second Medical College, Binzhou Medical University, Yantai, Shandong, People’s Republic of China
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
| | - Liang Chen
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
| | - Xicheng Song
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
| | - Dawei Liu
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
| | - Jingjing Qiu
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
| | - Yan Sun
- Department of Otolaryngology and Head and Neck Surgery, Yantai Yuhuangding Hospital, Qingdao University, Yantai, Shandong, People’s Republic of China
- Shandong Provincial Clinical Research Center for Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
- Yantai Key Laboratory of Otorhinolaryngologic Diseases, Yantai, Shandong, People’s Republic of China
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Alkubaisi BO, Aljobowry R, Ali SM, Sultan S, Zaraei SO, Ravi A, Al-Tel TH, El-Gamal MI. The latest perspectives of small molecules FMS kinase inhibitors. Eur J Med Chem 2023; 261:115796. [PMID: 37708796 DOI: 10.1016/j.ejmech.2023.115796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 09/03/2023] [Accepted: 09/04/2023] [Indexed: 09/16/2023]
Abstract
FMS kinase is a type III tyrosine kinase receptor that plays a central role in the pathophysiology and management of several diseases, including a range of cancer types, inflammatory disorders, neurodegenerative disorders, and bone disorders among others. In this review, the pathophysiological pathways of FMS kinase in different diseases and the recent developments of its monoclonal antibodies and inhibitors during the last five years are discussed. The biological and biochemical features of these inhibitors, including binding interactions, structure-activity relationships (SAR), selectivity, and potencies are discussed. The focus of this article is on the compounds that are promising leads and undergoing advanced clinical investigations, as well as on those that received FDA approval. In this article, we attempt to classify the reviewed FMS inhibitors according to their core chemical structure including pyridine, pyrrolopyridine, pyrazolopyridine, quinoline, and pyrimidine derivatives.
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Affiliation(s)
- Bilal O Alkubaisi
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Raya Aljobowry
- College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Salma M Ali
- College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Sara Sultan
- College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Seyed-Omar Zaraei
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Anil Ravi
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Taleb H Al-Tel
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates.
| | - Mohammed I El-Gamal
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, 27272, United Arab Emirates; College of Pharmacy, University of Sharjah, Sharjah, 27272, United Arab Emirates; Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
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Chen O, Luo X, Ji RR. Macrophages and microglia in inflammation and neuroinflammation underlying different pain states. MEDICAL REVIEW (2021) 2023; 3:381-407. [PMID: 38283253 PMCID: PMC10811354 DOI: 10.1515/mr-2023-0034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 09/26/2023] [Indexed: 01/30/2024]
Abstract
Pain is a main symptom in inflammation, and inflammation induces pain via inflammatory mediators acting on nociceptive neurons. Macrophages and microglia are distinct cell types, representing immune cells and glial cells, respectively, but they share similar roles in pain regulation. Macrophages are key regulators of inflammation and pain. Macrophage polarization plays different roles in inducing and resolving pain. Notably, macrophage polarization and phagocytosis can be induced by specialized pro-resolution mediators (SPMs). SPMs also potently inhibit inflammatory and neuropathic pain via immunomodulation and neuromodulation. In this review, we discuss macrophage signaling involved in pain induction and resolution, as well as in maintaining physiological pain. Microglia are macrophage-like cells in the central nervous system (CNS) and drive neuroinflammation and pathological pain in various inflammatory and neurological disorders. Microglia-produced inflammatory cytokines can potently regulate excitatory and inhibitory synaptic transmission as neuromodulators. We also highlight sex differences in macrophage and microglial signaling in inflammatory and neuropathic pain. Thus, targeting macrophage and microglial signaling in distinct locations via pharmacological approaches, including immunotherapies, and non-pharmacological approaches will help to control chronic inflammation and chronic pain.
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Affiliation(s)
- Ouyang Chen
- Department of Anesthesiology, Center for Translational Pain Medicine, Duke University Medical Center, Durham, NC, USA
- Department of Cell Biology, Duke University Medical Center, Durham, NC, USA
| | - Xin Luo
- Department of Anesthesiology, Center for Translational Pain Medicine, Duke University Medical Center, Durham, NC, USA
- Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Southern Medical University, Guangzhou, Guangdong Province, China
| | - Ru-Rong Ji
- Department of Anesthesiology, Center for Translational Pain Medicine, Duke University Medical Center, Durham, NC, USA
- Department of Cell Biology, Duke University Medical Center, Durham, NC, USA
- Department of Neurobiology, Duke University Medical Center, Durham, NC, USA
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Liu R, Zhou Y, Chen H, Xu H, Zuo M, Chen B, Wang H. Membrane vesicles from Lactobacillus johnsonii delay osteoarthritis progression via modulating macrophage glutamine synthetase/mTORC1 axis. Biomed Pharmacother 2023; 165:115204. [PMID: 37499456 DOI: 10.1016/j.biopha.2023.115204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 07/29/2023] Open
Abstract
AIMS The manipulation of macrophage recruitment and their shift in the M1/M2 ratio is a promising approach to mitigate osteoarthritis (OA). Nevertheless, the current clinical medication available for OA is only palliative and may result in undesirable outcomes. Hence, it is urgent to explore alternative disease-modifying drug supplement that are both safer and more effective in OA treatment, like probiotic and probiotic-derived membrane vesicles. METHODS The synovial inflammation and cartilage damage in collagenase-induced OA (CIOA) mice were observed using haematoxylin and eosin, saffron O-solid green and immunohistochemical staining. Bipedal balance test and open field test were conducted to determine the effectiveness of L. johnsonii-derived membrane vesicles (LJ-MVs) in reducing joint pain of CIOA mice. Additionally, Transwell, western blot, and immunological testing were used to examine the effect of LJ-MVs on macrophage migration and reprogramming. Furthermore, a 4D label-free proteomic analysis of LJ-MVs and their parent bacterium was performed, and the glutamine synthetase (GS)/mTORC1 axis in macrophage was verified by western blot. RESULTS L. johnsonii and its membrane vesicles, LJ-MVs, exhibit a novel ability to mitigate inflammation, cartilage damage, and pain associated with OA. This is achieved by their ability to impede macrophage migration, M1-like polarization, and inflammatory mediators secretion, while simultaneously promoting the M2/M1 ratio in synovial macrophages. The mechanism underlying this effect involves the modulation of macrophage GS/mTORC1 pathway, at least partially. SIGNIFICANCE Owing to their probiotic derivation, LJ-MVs will be a more dependable and potent disease-modifying drugs for the prevention and therapy of OA in the long run.
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Affiliation(s)
- Rangru Liu
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, Department of Spine Surgery of The First Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China; Hainan Provincial Key Laboratory of R&D of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, Hainan, China
| | - Yue Zhou
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, Department of Spine Surgery of The First Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China
| | - Huanxiong Chen
- Department of Spine Surgery, Hainan Province Clinical Medical Center, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Haixia Xu
- Department of Spine Surgery, Hainan Province Clinical Medical Center, The First Affiliated Hospital of Hainan Medical University, Haikou, Hainan, China
| | - Min Zuo
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, Department of Spine Surgery of The First Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China
| | - Bo Chen
- Hainan Provincial Key Laboratory of R&D of Tropical Herbs, School of Pharmacy, Hainan Medical University, Haikou, Hainan, China
| | - Hua Wang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Tropical Medicine, Department of Spine Surgery of The First Affiliated Hospital, Hainan Medical University, Haikou, Hainan, China.
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Sakamoto J, Miyahara S, Motokawa S, Takahashi A, Sasaki R, Honda Y, Okita M. Regular walking exercise prior to knee osteoarthritis reduces joint pain in an animal model. PLoS One 2023; 18:e0289765. [PMID: 37561757 PMCID: PMC10414568 DOI: 10.1371/journal.pone.0289765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 07/25/2023] [Indexed: 08/12/2023] Open
Abstract
We investigated the effect of regular walking exercise prior to knee osteoarthritis (OA) on pain and synovitis in a rat monoiodoacetic acid (MIA)-induced knee OA model. Seventy-one male Wistar rats were divided into three groups: (i) Sedentary + OA, (ii) Exercise + OA, and (iii) Sedentary + Sham groups. The Exercise + OA group underwent a regular treadmill walking exercise at 10 m/min (60 min/day, 5 days/week) for 6 weeks, followed by a 2-mg MIA injection in the right knee. The right knee joint was removed from rats in this group at the end of the 6-week exercise period and at 1 and 6 weeks after the MIA injection. After the 6 weeks of treadmill exercise but before MIA injection, there were no significant differences among the three groups in the pressure pain threshold, whereas at 1 week post-injection, the Exercise + OA group's pressure pain threshold was significantly higher than that in the Sedentary + OA group, and this difference persisted until the end of the experimental period. The histological changes in articular cartilage and subchondral bone revealed by toluidine blue staining showed no difference between the Sedentary + OA and EX + OA groups. The expression levels of interleukin (IL)-4 and IL-10 mRNA in the infrapatellar fat pad and synovium were significantly increased by the treadmill exercise. Significant reductions in the number of CD68-, CD11c-positive cells and IL-1β mRNA expression and an increase in the number of CD206-positive cells were observed at 1 week after the MIA injection in the Exercise + OA group compared to the Sedentary + OA group. These results suggest that regular walking exercise prior to the development of OA could alleviate joint pain through increases in the expressions of anti-inflammatory cytokines in the rat infrapatellar fat pad and synovium.
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Affiliation(s)
- Junya Sakamoto
- Institute of Biomedical Sciences (Health Sciences), Nagasaki University, Nagasaki, Japan
- Department of Physical Therapy Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Syouta Miyahara
- Department of Rehabilitation Medicine, Japan Organization of Occupational Health and Safety, Spinal Injuries Center, Fukuoka, Japan
| | - Satoko Motokawa
- Department of Clinical Services, Nagasaki Rehabilitation Hospital, Nagasaki, Japan
| | - Ayumi Takahashi
- Institute of Biomedical Sciences (Health Sciences), Nagasaki University, Nagasaki, Japan
- Department of Physical Therapy Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Ryo Sasaki
- Department of Physical Therapy Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
- Department of Rehabilitation, Juzenkai Hospital, Nagasaki, Japan
| | - Yuichiro Honda
- Institute of Biomedical Sciences (Health Sciences), Nagasaki University, Nagasaki, Japan
- Department of Physical Therapy Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Minoru Okita
- Institute of Biomedical Sciences (Health Sciences), Nagasaki University, Nagasaki, Japan
- Department of Physical Therapy Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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Hu YD, Yue YF, Chen T, Wang ZD, Ding JQ, Xie M, Li D, Zhu HL, Cheng ML. Alleviating effect of lycorine on CFA‑induced arthritic pain via inhibition of spinal inflammation and oxidative stress. Exp Ther Med 2023; 25:241. [PMID: 37153898 PMCID: PMC10160920 DOI: 10.3892/etm.2023.11940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 03/16/2023] [Indexed: 05/10/2023] Open
Abstract
Chronic pain is the primary symptom of osteoarthritis affecting a patient's quality of life. Neuroinflammation and oxidative stress in the spinal cord contribute to arthritic pain and represent ideal targets for pain management. In the present study, a model of arthritis was established by intra-articular injection of complete Freund's adjuvant (CFA) into the left knee joint in mice. After CFA inducement, knee width and pain hypersensitivity in the mice were increased, motor disability was impaired, spinal inflammatory reaction was induced, spinal astrocytes were activated, antioxidant responses were decreased, and glycogen synthase kinase 3β (GSK-3β) activity was inhibited. To explore the potential therapeutic options for arthritic pain, lycorine was intraperitoneally injected for 3 days in the CFA mice. Lycorine treatment significantly reduced mechanical pain sensitivity, suppressed spontaneous pain, and recovered motor coordination in the CFA-induced mice. Additionally, in the spinal cord, lycorine treatment decreased the inflammatory score, reduced NOD-like receptor protein 3 inflammasome (NLRP3) activity and IL-1β expression, suppressed astrocytic activation, downregulated NF-κB levels, increased nuclear factor erythroid 2-related factor 2 expression and superoxide dismutase activity. Furthermore, lycorine was shown to bind to GSK-3β through three electrovalent bonds, to inhibit GSK-3β activity. In summary, lycorine treatment inhibited GSK-3β activity, suppressed NLRP3 inflammasome activation, increased the antioxidant response, reduced spinal inflammation, and relieved arthritic pain.
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Affiliation(s)
- Yin-Di Hu
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Yuan-Fen Yue
- Department of Pharmacy, Xianning Central Hospital, First Affiliated Hospital of Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Tao Chen
- Department of Pharmacy, Xianning Central Hospital, First Affiliated Hospital of Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Zhao-Di Wang
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Jie-Qing Ding
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Min Xie
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Dai Li
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
| | - Hai-Li Zhu
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
- Correspondence to: Dr Hai-Li Zhu or Dr Meng-Lin Cheng, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, 88 Xianning Avenue, Xianning, Hubei 437100, P.R. China
| | - Meng-Lin Cheng
- School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, Xianning, Hubei 437100, P.R. China
- Correspondence to: Dr Hai-Li Zhu or Dr Meng-Lin Cheng, School of Pharmacy, Xianning Medical College, Hubei University of Science and Technology, 88 Xianning Avenue, Xianning, Hubei 437100, P.R. China
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Long DD, Zhang YZ, Liu A, Shen L, Wei HR, Lou QQ, Hu SS, Chen DY, Chai XQ, Wang D. Microglia sustain anterior cingulate cortex neuronal hyperactivity in nicotine-induced pain. J Neuroinflammation 2023; 20:81. [PMID: 36944965 PMCID: PMC10031886 DOI: 10.1186/s12974-023-02767-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 03/17/2023] [Indexed: 03/23/2023] Open
Abstract
BACKGROUND Long-term smoking is a risk factor for chronic pain, and chronic nicotine exposure induces pain-like effects in rodents. The anterior cingulate cortex (ACC) has been demonstrated to be associated with pain and substance abuse. This study aims to investigate whether ACC microglia are altered in response to chronic nicotine exposure and their interaction with ACC neurons and subsequent nicotine-induced allodynia in mice. METHODS We utilized a mouse model that was fed nicotine water for 28 days. Brain slices of the ACC were collected for morphological analysis to evaluate the impacts of chronic nicotine on microglia. In vivo calcium imaging and whole-cell patch clamp were used to record the excitability of ACC glutamatergic neurons. RESULTS Compared to the vehicle control, the branch endpoints and the length of ACC microglial processes decreased in nicotine-treated mice, coinciding with the hyperactivity of glutamatergic neurons in the ACC. Inhibition of ACC glutamatergic neurons alleviated nicotine-induced allodynia and reduced microglial activation. On the other hand, reactive microglia sustain ACC neuronal excitability in response to chronic nicotine, and pharmacological inhibition of microglia by minocycline or liposome-clodronate reduces nicotine-induced allodynia. The neuron-microglia interaction in chronic nicotine-induced allodynia is mediated by increased expression of neuronal CX3CL1, which activates microglia by acting on CX3CR1 receptors on microglial cells. CONCLUSION Together, these findings underlie a critical role of ACC microglia in the maintenance of ACC neuronal hyperactivity and resulting nociceptive hypersensitivity in chronic nicotine-treated mice.
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Affiliation(s)
- Dan-Dan Long
- Pain Clinic, Department of Anesthesiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, 230001, China
| | - Yu-Zhuo Zhang
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei, 230032, China
| | - An Liu
- Department of Physiology, School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, China
| | - Liang Shen
- Pain Clinic, Department of Anesthesiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, 230001, China
| | - Hong-Rui Wei
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Qian-Qian Lou
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Shan-Shan Hu
- Department of Clinical Laboratory, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, 230001, China
| | - Dan-Yang Chen
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Xiao-Qing Chai
- Pain Clinic, Department of Anesthesiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, 230001, China
| | - Di Wang
- Pain Clinic, Department of Anesthesiology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, 230001, China.
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From Low-Grade Inflammation in Osteoarthritis to Neuropsychiatric Sequelae: A Narrative Review. Int J Mol Sci 2022; 23:ijms232416031. [PMID: 36555670 PMCID: PMC9784931 DOI: 10.3390/ijms232416031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/08/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022] Open
Abstract
Nowadays, osteoarthritis (OA), a common, multifactorial musculoskeletal disease, is considered to have a low-grade inflammatory pathogenetic component. Lately, neuropsychiatric sequelae of the disease have gained recognition. However, a link between the peripheral inflammatory process of OA and the development of neuropsychiatric pathology is not completely understood. In this review, we provide a narrative that explores the development of neuropsychiatric disease in the presence of chronic peripheral low-grade inflammation with a focus on its signaling to the brain. We describe the development of a pro-inflammatory environment in the OA-affected joint. We discuss inflammation-signaling pathways that link the affected joint to the central nervous system, mainly using primary sensory afferents and blood circulation via circumventricular organs and cerebral endothelium. The review describes molecular and cellular changes in the brain, recognized in the presence of chronic peripheral inflammation. In addition, changes in the volume of gray matter and alterations of connectivity important for the assessment of the efficacy of treatment in OA are discussed in the given review. Finally, the narrative considers the importance of the use of neuropsychiatric diagnostic tools for a disease with an inflammatory component in the clinical setting.
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Mima Z, Wang K, Liang M, Wang Y, Liu C, Wei X, Luo F, Nie P, Chen X, Xu Y, Ma Q. Blockade of JAK2 retards cartilage degeneration and IL-6-induced pain amplification in osteoarthritis. Int Immunopharmacol 2022; 113:109340. [DOI: 10.1016/j.intimp.2022.109340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 09/27/2022] [Accepted: 10/09/2022] [Indexed: 11/05/2022]
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Wang Y, Wang P, Liu C, Chen W, Wang P, Jiang L. Hydrogen-Rich Saline Attenuates Chronic Allodynia after Bone Fractures via Reducing Spinal CXCL1/CXCR2-Mediated Iron Accumulation in Mice. Brain Sci 2022; 12:brainsci12121610. [PMID: 36552070 PMCID: PMC9776060 DOI: 10.3390/brainsci12121610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/16/2022] [Accepted: 11/21/2022] [Indexed: 11/27/2022] Open
Abstract
PURPOSE Neuroinflammation often initiates iron overload in the pathogenesis of neurological disorders. Chemokine-driven neuroinflammation is required for central sensitization and chronic allodynia following fractures, but specific molecular modulations are elusive. This present study explored whether hydrogen-rich saline, as one potent anti-inflammatory pharmaceutical, could alleviate fracture-caused allodynia by suppressing chemokine CXCL1 expression and iron overload. METHODS A mouse model of tibial fracture with intramedullary pinning was employed for establishing chronic allodynia. Three applications of hydrogen-rich saline (1, 5 or 10 mL/kg) were administrated intraperitoneally on a daily basis from days 4 to 6 following fractures. Spinal CXCL1 and its receptor CXCR2 levels, transferrin receptor 1 (TfR1) expression and iron concentration were examined. Recombinant CXCL1, a selective CXCR2 antagonist and an iron chelator were used for verification of mechanisms. RESULTS Repetitive injections of hydrogen-rich saline (5 and 10 mL/kg but not 1 mL/kg) prevent fracture-caused mechanical allodynia and cold allodynia in a dose-dependent manner. Single exposure to hydrogen-rich saline (10 mL/kg) on day 14 after orthopedic surgeries controls the established persistent fracture allodynia. Furthermore, hydrogen-rich saline therapy reduces spinal CXCL1/CXCR2 over-expression and TfR1-mediated iron accumulation in fracture mice. Spinal CXCR2 antagonism impairs allodynia and iron overload following fracture surgery. Intrathecal delivery of recombinant CXCL1 induces acute allodynia and spinal iron overload, which is reversed by hydrogen-rich saline. Moreover, iron chelation alleviates exogenous CXCL1-induced acute pain behaviors. CONCLUSIONS These findings identify that hydrogen-rich saline confers protection against fracture-caused chronic allodynia via spinal down-modulation of CXCL1-dependent TfR1-mediated iron accumulation in mice.
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Affiliation(s)
- Yanting Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Pei Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Cuicui Liu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Wei Chen
- Encephalopathy Clinical Center, Department of Neurology, Qingdao TCM Hospital, Qingdao 266071, China
| | - Pingping Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
| | - Lili Jiang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao 266000, China
- Correspondence:
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Gao W, Shen L, Long DD, Pan TT, Wang D, Chai XQ, Hu SS. Angiotensin II type 2 receptor pharmacological agonist, C21, reduces the inflammation and pain hypersensitivity in mice with joint inflammatory pain. Int Immunopharmacol 2022; 110:108921. [PMID: 35724606 DOI: 10.1016/j.intimp.2022.108921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/19/2022] [Accepted: 06/01/2022] [Indexed: 11/15/2022]
Abstract
Primary and secondary hyperalgesia develop in response to chronic joint inflammation due to peripheral and central mechanisms. Synovial macrophage and spinal microglia are involved in pain sensitization in arthritis. The level of angiotensin II type 2 receptor (AT2R) is related to the severity of arthritis. This study aimed to determine the role of AT2R in primary and secondary hyperalgesia in joint inflammatory pain in mice. After intra-articular CFA injection, primary hyperalgesia in the ipsilateral knee joint was measured by pressure application meter and gait analysis, secondary hypersensitivity in ipsilateral hind-paw was measured by von-Frey and Hargreaves tests following a combination of global AT2R-deficient (Agtr2-/-) mice and AT2R pharmacological agonist C21. Synovial macrophage and spinal microglia were collected for flow cytometry. Morphological reconstruction of microglia was detected by immunostaining. AT2R expression was investigated by quantitative polymerase chain reaction and western blot. Neuronal hyperactivity was evaluated by c-Fos and CGRP immunostaining. We found that pain hypersensitivity and synovial inflammation in Agtr2-/- mice were significantly exacerbated compared with wild-type mice; conversely, systemically administrated C21 attenuated both of the symptoms. Additionally, spinal microglia were activated, and an abundant increase of spinal AT2R was expressed on activated microglia in response to peripheral joint inflammation. Intrathecally-administrated C21 reversed the secondary hypersensitivity, accompanied by alleviation of spinal microglial activation, spinal neuronal hyperactivity, and calcitonin gene-related peptide content. These findings revealed a beneficial role of AT2R activating stimulation against pain hypersensitivity in joint inflammatory pain via direct modulation of synovial macrophage and spinal microglial activity.
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Affiliation(s)
- Wei Gao
- Anhui Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Liang Shen
- Department of Anesthesiology, Anhui Provincial Hospital Affiliated to Medical University, Hefei 230036, China
| | - Dan-Dan Long
- Department of Anesthesiology, Anhui Provincial Hospital Affiliated to Medical University, Hefei 230036, China
| | - Ting-Ting Pan
- Department of Anesthesiology, Anhui Provincial Hospital Affiliated to Medical University, Hefei 230036, China
| | - Di Wang
- Department of Anesthesiology, Anhui Provincial Hospital Affiliated to Medical University, Hefei 230036, China
| | - Xiao-Qing Chai
- Anhui Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
| | - Shan-Shan Hu
- Department of Clinical Laboratory, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China.
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Yu L, Zhang X, Liu X, Li G, Chen M, Liu Z, Liu Q. CircTMOD3 promotes lipopolysaccharide-induced chondrocyte apoptosis in osteoarthritis by sponging miR-27a. J Bone Miner Metab 2022; 40:415-421. [PMID: 35103839 DOI: 10.1007/s00774-022-01310-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Accepted: 01/06/2022] [Indexed: 10/19/2022]
Abstract
INTRODUCTION The progression of osteoarthritis (OA) requires the involvement of lipopolysaccharide (LPS)-induced inflammation, in which circTMOD3 plays an important role. We predicted that circTMOD3 could interact with miR-27a to inhibit LPS-induced chondrocyte apoptosis and explored the interaction between circTMOD3 and miR-27a in OA. MATERIALS AND METHODS Total RNAs were isolated from cartilage tissue samples from both OA patients (n = 62) and controls (n = 62) and subjected to RT-qPCRs to determine circTMOD3 and miR-27a (mature and premature) expression. Subcellular location of circTMOD3 and its interaction with premature miR-27a were analyzed using subcellular fractionation assay and RNA-RNA pulldown assay, respectively. CircTMOD3 was overexpressed in chondrocytes to study its role in miR-27a maturation. The roles of circTMOD3 and miR-27a in LPS-induced chondrocyte apoptosis were analyzed using cell apoptosis assay. RESULTS CircTMOD3 and premature miR-27a levels were increased while mature miR-27a level was decreased in OA. CircTMOD3 was located in both nuclear and cytoplasm fractions of chondrocytes. CircTMOD3 directly interacted with premature miR-27a and promoted LPS-induced chondrocyte apoptosis, while miR-27a inhibited LPS-induced chondrocyte apoptosis. Moreover, circTMOD3 overexpression suppressed miR-27a maturation and reduced the inhibitory effects of miR-27a on LPS-induced chondrocyte apoptosis. CONCLUSION CircTMOD3 suppresses miR-27a maturation in OA to promote chondrocyte apoptosis induced by LPS.
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Affiliation(s)
- Lu Yu
- Department of Orthopedics, Hebei Yanda Hospital, Yanjiao Economic and Technological Development Zone, No. 6, Sipulan Road, Sanhe City, Hebei Province, 065201, People's Republic of China
| | - Xiaogang Zhang
- Department of Orthopedics, Hebei Yanda Hospital, Yanjiao Economic and Technological Development Zone, No. 6, Sipulan Road, Sanhe City, Hebei Province, 065201, People's Republic of China
| | - Xingchao Liu
- Department of Orthopedics, Hebei Yanda Hospital, Yanjiao Economic and Technological Development Zone, No. 6, Sipulan Road, Sanhe City, Hebei Province, 065201, People's Republic of China
| | - Gang Li
- Department of Orthopedics, Hebei Yanda Hospital, Yanjiao Economic and Technological Development Zone, No. 6, Sipulan Road, Sanhe City, Hebei Province, 065201, People's Republic of China
| | - Mingliang Chen
- Department of Orthopedics, Hebei Yanda Hospital, Yanjiao Economic and Technological Development Zone, No. 6, Sipulan Road, Sanhe City, Hebei Province, 065201, People's Republic of China
| | - Zexin Liu
- Department of Orthopedics, Hebei Yanda Hospital, Yanjiao Economic and Technological Development Zone, No. 6, Sipulan Road, Sanhe City, Hebei Province, 065201, People's Republic of China
| | - Qinghe Liu
- Department of Orthopedics, Beijing Chaoyang Hospital, Capital Medical University, No. 8, Gongti Nan Road, Beijing, 100020, People's Republic of China.
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Wei Z, Li F, Pi G. Association Between Gut Microbiota and Osteoarthritis: A Review of Evidence for Potential Mechanisms and Therapeutics. Front Cell Infect Microbiol 2022; 12:812596. [PMID: 35372125 PMCID: PMC8966131 DOI: 10.3389/fcimb.2022.812596] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 02/24/2022] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a multifactorial joint disease characterized by degeneration of articular cartilage, which leads to joints pain, disability and reduced quality of life in patients with OA. Interpreting the potential mechanisms underlying OA pathogenesis is crucial to the development of new disease modifying treatments. Although multiple factors contribute to the initiation and progression of OA, gut microbiota has gradually been regarded as an important pathogenic factor in the development of OA. Gut microbiota can be regarded as a multifunctional “organ”, closely related to a series of immune, metabolic and neurological functions. This review summarized research evidences supporting the correlation between gut microbiota and OA, and interpreted the potential mechanisms underlying the correlation from four aspects: immune system, metabolism, gut-brain axis and gut microbiota modulation. Future research should focus on whether there are specific gut microbiota composition or even specific pathogens and the corresponding signaling pathways that contribute to the initiation and progression of OA, and validate the potential of targeting gut microbiota for the treatment of patients with OA.
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Affiliation(s)
| | - Feng Li
- *Correspondence: Feng Li, ; Guofu Pi,
| | - Guofu Pi
- *Correspondence: Feng Li, ; Guofu Pi,
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Pan TT, Gao W, Song ZH, Long DD, Cao P, Hu R, Chen DY, Zhou WJ, Jin Y, Hu SS, Wei W, Chai XQ, Zhang Z, Wang D. Glutamatergic neurons and myeloid cells in the anterior cingulate cortex mediate secondary hyperalgesia in chronic joint inflammatory pain. Brain Behav Immun 2022; 101:62-77. [PMID: 34973395 DOI: 10.1016/j.bbi.2021.12.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 12/20/2021] [Accepted: 12/24/2021] [Indexed: 02/06/2023] Open
Affiliation(s)
- Ting-Ting Pan
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Wei Gao
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Zi-Hua Song
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, PR China; Innovation Laboratory of Terahertz Biophysics, National Innovation Institute of Defense Technology, Beijing 100071, China
| | - Dan-Dan Long
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Peng Cao
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, PR China
| | - Rui Hu
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, PR China
| | - Dan-Yang Chen
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, PR China
| | - Wen-Jie Zhou
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, PR China
| | - Yan Jin
- Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, PR China
| | - Shan-Shan Hu
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China
| | - Wei Wei
- Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China
| | - Xiao-Qing Chai
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China
| | - Zhi Zhang
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China; Department of Neurobiology, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, PR China
| | - Di Wang
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, China.
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Wang D, Chai XQ, Hu SS, Pan F. Joint synovial macrophages as a potential target for intra-articular treatment of osteoarthritis-related pain. Osteoarthritis Cartilage 2022; 30:406-415. [PMID: 34861384 DOI: 10.1016/j.joca.2021.11.014] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 10/19/2021] [Accepted: 11/22/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis is the most common form of joint disease and is one of the leading causes of chronic pain. Given the multi-factorial nature, numerous efforts have been made to clarify the multiple factors impacting the pain symptoms and joint pathology, including synovial macrophages in particular. Accumulating evidence from studies involving human participants and experimental animal models suggests that accumulating macrophages in synovial tissue are implicated in peripherally mediated pain sensitization of affected joints in osteoarthritis. Crosstalk between synovial macrophages and the innervating primary nociceptive neurons is thought to contribute to this facilitated pain processing by the peripheral nervous system. Due to high plasticity and complexity of synovial macrophages in the joint, safe therapies targeting single cells or molecules are currently lacking. Using advanced technologies (such as single-cell RNA sequencing and mass cytometry), studies have shown that diverse subpopulations of synovial macrophages exist in the distinct synovial microenvironments of specific osteoarthritis subtypes. Considerable progress has been made in delineating the molecular mechanisms of various subsets of synovial macrophages in the development of osteoarthritis. To develop a novel intra-articular treatment paradigm targeting synovial macrophages, we have summarized in this review the recent advances in identifying the functional consequences of synovial macrophage sub-populations and understanding of the molecular mechanisms driving macrophage-mediated remodeling.
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Affiliation(s)
- D Wang
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTC (Anhui Provincial Hospital), Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei 230001, China.
| | - X-Q Chai
- Pain Clinic, Department of Anesthesiology, First Affiliated Hospital of USTC (Anhui Provincial Hospital), Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei 230001, China.
| | - S-S Hu
- The Key Laboratory of Anti-inflammatory and Immune Medicine, Ministry of Education, PR China (Anhui Medical University), Institute of Clinical Pharmacology, Anhui Medical University, Hefei 230032, China.
| | - F Pan
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS 7000, Australia.
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Tian G, Liu C, Gong Q, Yu Z, Wang H, Zhang D, Cong H. Human Umbilical Cord Mesenchymal Stem Cells Improve the Necrosis and Osteocyte Apoptosis in Glucocorticoid-Induced Osteonecrosis of the Femoral Head Model through Reducing the Macrophage Polarization. Int J Stem Cells 2021; 15:195-202. [PMID: 34965999 PMCID: PMC9148830 DOI: 10.15283/ijsc21120] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 10/01/2021] [Accepted: 10/25/2021] [Indexed: 11/16/2022] Open
Abstract
Background and Objectives Apoptosis is an outstanding determinant of glucocorticoid (GC)-induced osteonecrosis of the femoral head (ONFH). Human umbilical cord mesenchymal stem cells (hUC-MSCs) have been demonstrated to be associated with apoptosis in diseases models. However, the role of hUC-MSCs in GC-induced ONFH via regulating apoptosis still needs further study. Methods and Results In the present study, a GC-induced ONFH model was built in vivo through a consecutive injection with lipopolysaccharide (LPS) and methylprednisolone. The necrosis and apoptosis of the femoral head was evaluated by histological and Terminal-deoxynucleoitidyl Transferase Mediated Nick End Labeling (TUNEL) assay. The level of collagen and TRAP positive cells were determined by Masson and TRAP staining, respectively. M1 macrophage polarization was assessed using immunofluorescence assay. The level of proinflammatory cytokines including tumor necrosis factor (TNF)‐α, Interleukin (IL)‐1β and IL-6 of femoral head was determined by enzyme-linked immunosorbent assay (ELISA) kits. The protein expression of AKT, mTOR, p-AKT and p-mTOR was detected using western blot assay. The results showed that hUC-MSCs treatment prominently promoted the GC-induced the decrease of the collagen level and the increase of TRAP positive cells. Besides, hUC-MSCs treatment decreased necrosis and apoptosis, macrophage polarization, the level of TNF‐α, IL‐1β and IL-6, the protein expression of p-AKT and p-mTOR, and the radio of p-AKT to AKT and p-mTOR to mTOR of femoral head in vivo. Conclusions Therefore, the present study revealed that hUC-MSCs improved the necrosis and osteocyte apoptosis in GC-induced ONFH model through reducing the macrophage polarization, which was associated with the inhibition of AKT/mTOR signaling pathway.
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Affiliation(s)
- Gang Tian
- Department of Orthopedics, Weihai Central Hospital Affiliated to Qingdao University & Qingdao University, Weihai, China
| | - Chuanjie Liu
- Xinxiang Medical University, Xinxiang, China.,Weihai Key Laboratory of Autoimmunity & Central Laboratory of Weihai Central Hospital, Weihai, China
| | - Qi Gong
- Weihai Key Laboratory of Autoimmunity & Central Laboratory of Weihai Central Hospital, Weihai, China
| | - Zhiping Yu
- Department of Sports Medicine, Weihai Central Hospital Affiliated to Qingdao University, Weihai, China
| | - Haitao Wang
- Department of Trauma Surgery, Weihai Central Hospital Affiliated to Qingdao University, Weihai, China
| | - Daoqiang Zhang
- Weihai Key Laboratory of Autoimmunity & Central Laboratory of Weihai Central Hospital, Weihai, China
| | - Haibo Cong
- Department of Orthopedics, Weihai Central Hospital Affiliated to Qingdao University & Weihai Key Laboratory of Autoimmunity, Weihai, China
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Jayakar S, Shim J, Jo S, Bean BP, Singeç I, Woolf CJ. Developing nociceptor-selective treatments for acute and chronic pain. Sci Transl Med 2021; 13:eabj9837. [PMID: 34757806 PMCID: PMC9964063 DOI: 10.1126/scitranslmed.abj9837] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Despite substantial efforts dedicated to the development of new, nonaddictive analgesics, success in treating pain has been limited. Clinically available analgesic agents generally lack efficacy and may have undesirable side effects. Traditional target-based drug discovery efforts that generate compounds with selectivity for single targets have a high rate of attrition because of their poor clinical efficacy. Here, we examine the challenges associated with the current analgesic drug discovery model and review evidence in favor of stem cell–derived neuronal-based screening approaches for the identification of analgesic targets and compounds for treating diverse forms of acute and chronic pain.
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Affiliation(s)
- Selwyn Jayakar
- F.M. Kirby Neurobiology, Boston Children's Hospital, and Department of Neurology, Harvard Medical School, Boston, MA 02115, USA
| | - Jaehoon Shim
- F.M. Kirby Neurobiology, Boston Children's Hospital, and Department of Neurology, Harvard Medical School, Boston, MA 02115, USA
| | - Sooyeon Jo
- Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Bruce P Bean
- Department of Neurobiology, Harvard Medical School, Boston, MA 02115, USA
| | - Ilyas Singeç
- National Center for Advancing Translational Sciences (NCATS), Stem Cell Translation Laboratory (SCTL), National Institutes of Health (NIH), Rockville, MD 20850, USA
| | - Clifford J Woolf
- F.M. Kirby Neurobiology, Boston Children's Hospital, and Department of Neurology, Harvard Medical School, Boston, MA 02115, USA
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Chen F, Gao W, Hu J, Yang X, Chai X, Wang D. Preoperative angiotensin II type 2 receptor is a predictor for developing chronic post-surgical pain after total knee arthroplasty surgery. Life Sci 2021; 278:119654. [PMID: 34043993 DOI: 10.1016/j.lfs.2021.119654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 05/07/2021] [Accepted: 05/19/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE This study aimed to explore whether preoperative angiotensin II type 2 receptor (AT2R) level in knee osteoarthritis (OA) patients was an independent risk factor for chronic post-surgical pain (CPSP) after total knee arthroplasty (TKA). METHODS A total of 220 patients who had undergone unilateral TKA were enrolled from October 2019 to January 2020. Quantitative sensory testing (QST), PainDETECT questionnaires (PD-Q), the Western Ontario McMaster Universities Osteoarthritis Index (WOMAC), the hospital anxiety and depression (HAD) and serum AT2R were collected preoperatively. The primary outcome was the incidence of CPSP, which was defined as the visual analogue scale (VAS) score ≥ 4 in the ipsilateral knee joint six months after operation. RESULTS The prevalence of CPSP was 13.6% (n = 30). Multiple logistic regression analysis showed that patients with higher AT2R level (OR: 1.007, 95% CI: 1.003-1.011) and PD-Q score (OR: 1.146, 95% CI: 1.008-1.298) before surgery had an increased risk of CPSP after surgery, and a combination of preoperative AT2R and PD-Q (Akaike information criterion: 147.2; area under receiver operating characteristic (ROC) curve: 0.890) was able to correctly classify 90.16% of patients into CPSP positive or negative groups. CONCLUSION Our findings suggest that patients with higher preoperative AT2R level are at increased risk of developing CPSP following TKA. AT2R may serve as a candidate predictor for phenotyping CPSP in OA patients.
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Affiliation(s)
- Fan Chen
- Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China; Department of Anesthesiology, Anhui Provincial Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, China
| | - Wei Gao
- Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China; Department of Anesthesiology, Anhui Provincial Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, China
| | - Jicheng Hu
- Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China; Department of Anesthesiology, Anhui Provincial Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, China
| | - Xinlu Yang
- Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China; Department of Anesthesiology, Anhui Provincial Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, China
| | - Xiaoqing Chai
- Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China; Department of Anesthesiology, Anhui Provincial Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, China.
| | - Di Wang
- Department of Anesthesiology, Anhui Provincial Hospital, Anhui Medical University, Hefei, China; Department of Anesthesiology, Anhui Provincial Hospital, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China (USTC), Hefei, China.
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