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Kim IY, Park CS, Seo KJ, Lee JY, Yune TY. TRPM7 Mediates Neuropathic Pain by Activating mTOR Signaling in Astrocytes after Spinal Cord Injury in Rats. Mol Neurobiol 2024; 61:5265-5281. [PMID: 38180616 DOI: 10.1007/s12035-023-03888-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 12/14/2023] [Indexed: 01/06/2024]
Abstract
In this study, we investigated whether transient receptor melastatin 7 (TRPM7), known as a non-selective cation channel, inhibits neuropathic pain after spinal cord injury (SCI) and how TRPM7 regulates neuropathic pain. Neuropathic pain was developed 4 weeks after moderate contusive SCI and TRPM7 was markedly upregulated in astrocytes in the lamina I and II of L4-L5 dorsal horn. In addition, both mechanical allodynia and thermal hyperalgesia were significantly alleviated by a TRPM7 inhibitor, carvacrol. In particular, carvacrol treatment inhibited mechanistic target of rapamycin (mTOR) signaling, which was activated in astrocytes. When rats were treated with rapamycin, an inhibitor of mTOR signaling, neuropathic pain was significantly inhibited. Furthermore, blocking TRPM7 and mTOR signaling by carvacrol and rapamycin inhibited astrocyte activation in lamina I and II of dorsal spinal cord and reduced the level of p-JNK and p-c-Jun, which are known to be activated in astrocytes. Finally, inhibiting TRPM7/mTOR signaling also downregulated the production of pain-related factors such as tumor necrosis factor-α, interleukin-6, interleukin-1β, chemokine (C-C motif) ligand (CCL) 2, CCL-3, CCL-4, CCL-20, chemokine C-X-C motif ligand 1, and matrix metalloproteinase 9 which are known to be involved in the induction and/or maintenance of neuropathic pain after SCI. These results suggest an important role of TRPM7-mediated mTOR signaling in astrocyte activation and thereby induction and/or maintenance of neuropathic pain after SCI.
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Affiliation(s)
- In Yi Kim
- Age-Related and Brain Diseases Research Center, Kyung Hee University, Medical Building 10th Floor, Dongdaemun-Gu, Hoegi-Dong 1, Seoul, 02447, Republic of Korea
- Department of Biomedical Science, Kyung Hee University, Seoul, 02447, Republic of Korea
- Biomedical Science Institute, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Chan Sol Park
- Age-Related and Brain Diseases Research Center, Kyung Hee University, Medical Building 10th Floor, Dongdaemun-Gu, Hoegi-Dong 1, Seoul, 02447, Republic of Korea
- Department of Biomedical Science, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Kyung Jin Seo
- Age-Related and Brain Diseases Research Center, Kyung Hee University, Medical Building 10th Floor, Dongdaemun-Gu, Hoegi-Dong 1, Seoul, 02447, Republic of Korea
- Department of Biomedical Science, Kyung Hee University, Seoul, 02447, Republic of Korea
- Biomedical Science Institute, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jee Youn Lee
- Age-Related and Brain Diseases Research Center, Kyung Hee University, Medical Building 10th Floor, Dongdaemun-Gu, Hoegi-Dong 1, Seoul, 02447, Republic of Korea.
| | - Tae Young Yune
- Age-Related and Brain Diseases Research Center, Kyung Hee University, Medical Building 10th Floor, Dongdaemun-Gu, Hoegi-Dong 1, Seoul, 02447, Republic of Korea.
- Department of Biomedical Science, Kyung Hee University, Seoul, 02447, Republic of Korea.
- Biomedical Science Institute, Kyung Hee University, Seoul, 02447, Republic of Korea.
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul, 02447, Republic of Korea.
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Dong D, Yu X, Tao X, Wang Q, Zhao L. S1P/S1PR1 signaling is involved in the development of nociceptive pain. Front Pharmacol 2024; 15:1407347. [PMID: 39045057 PMCID: PMC11263082 DOI: 10.3389/fphar.2024.1407347] [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: 03/26/2024] [Accepted: 06/20/2024] [Indexed: 07/25/2024] Open
Abstract
Background Pain is a complex perception involving unpleasant somatosensory and emotional experiences. However, the underlying mechanisms that mediate its different components remain unclear. Sphingosine-1-phosphate (S1P), a metabolite of sphingomyelin and a potent lipid mediator, initiates signaling via G protein-coupled receptors (S1PRs) on cell surfaces. It serves as a second messenger in cellular processes such as proliferation and apoptosis. Nevertheless, the neuropharmacology of sphingolipid signaling in pain conditions within the central nervous system remains largely unexplored and controversial. Methods Chronic nociceptive pain models were induced in vivo by intraplantar injection of 20 μL complete Freund's adjuvant (CFA) into the left hind paws. We assessed S1P and S1PR1 expression in the spinal cords of CFA model mice. Functional antagonists of S1PR1 or S1PR1-specific siRNA were administered daily following CFA model establishment. Paw withdrawal response frequency (PWF) and paw withdrawal latency (PWL) were measured to evaluate mechanical allodynia and thermal hyperalgesia, respectively. RT-PCR assessed interleukin (IL)-1β, IL-6, and tumor necrosis factor (TNF)-α levels. Western blotting and immunofluorescence were used to analyze glial fibrillary acidic protein (GFAP), ionized calcium-binding adapter molecule (Iba1), STAT3, ERK, and p38 MAPK protein expression. Results In the chronic nociceptive pain model induced by CFA, S1P and S1PR1 expression levels were significantly elevated, leading to activation of spinal cord glial cells. S1PR1 activation also promoted MMP2-mediated cleavage of mature IL-1β. Additionally, S1PR1 activation upregulated phosphorylation of STAT3, ERK, and p38 MAPK in glial cells, profoundly impacting downstream signaling pathways and contributing to chronic nociceptive pain. Conclusion The S1P/S1PR1 axis plays a pivotal role in the cellular and molecular mechanisms underlying nociceptive pain. This signaling pathway modulates glial cell activation and the expression of pain-related genes (STAT3, ERK, p38 MAPK) and inflammatory factors in the spinal dorsal horn. These findings underscore the potential of targeting the S1P system for developing novel analgesic therapies.
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Affiliation(s)
- Daosong Dong
- Department of Pain, The First Hospital of China Medical University, Shenyang, China
| | - Xue Yu
- Key Laboratory of Precision Diagnosis and Treatment of Gastrointestinal Tumors (China Medical University), Department of Surgical Oncology and General Surgery, The First Hospital of China Medical University, Ministry of Education, Shenyang, China
| | - Xueshu Tao
- Department of Pain, The First Hospital of China Medical University, Shenyang, China
| | - Qian Wang
- Medical Oncology, Department of Gastrointestinal Cancer, Liaoning Cancer Hospital and Institute, Shenyang, China
| | - Lin Zhao
- Department of Pain, The First Hospital of China Medical University, Shenyang, China
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Knudsen L, Santoro L, Bruehl S, Harden N, Brunner F. Subtypes of complex regional pain syndrome-a systematic review of the literature. Pain Rep 2023; 8:e1111. [PMID: 38027463 PMCID: PMC10653603 DOI: 10.1097/pr9.0000000000001111] [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: 07/05/2023] [Revised: 08/22/2023] [Accepted: 08/29/2023] [Indexed: 12/01/2023] Open
Abstract
To systematically identify and summarize possible subtypes of complex regional pain syndrome (CRPS), we searched MEDLINE, Embase, Cochrane, Scopus, and Web of Science for original studies reporting or investigating at least one subtype within a group of patients with CRPS. The search retrieved 4239 potentially relevant references. Twenty-five studies met our inclusion criteria and were included in the analysis. Complex regional pain syndrome phenotypes were investigated based on the following variables: clinical presentation/sensory disturbances, dystonia, skin temperature, disease duration, onset type, CRPS outcome, and neuropsychological test performance. Support was found for the following CRPS subtypes: CRPS type I, CRPS type II, acute CRPS, chronic CRPS, centralized CRPS, cold CRPS, warm CRPS, inflammatory CRPS, dystonic CRPS, nondystonic CRPS, familial CRPS, and nonfamilial CRPS. It is unclear whether these are distinct or overlapping subtypes. The results of this comprehensive review can facilitate the formulation of well-defined CRPS subtypes based on presumed underlying mechanisms. Our findings provide a foundation for establishing and defining clinically meaningful CRPS subtypes, with the ultimate goal of developing targeted and enhanced treatments for CRPS.
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Affiliation(s)
- Lone Knudsen
- National Rehabilitation Center for Neuromuscular Diseases, Aarhus, Denmark
| | - Lana Santoro
- Wheelock College of Education and Human Development, Boston University, Boston, MA, USA
| | - Stephen Bruehl
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, USA
| | | | - Florian Brunner
- Department of Physical Medicine and Rheumatology, Balgrist University Hospital, Zurich, Switzerland
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Soussou S, Jablaoui A, Mariaule V, Kriaa A, Boudaya H, Wysocka M, Amouri A, Gargouri A, Lesner A, Maguin E, Rhimi M. Serine proteases and metalloproteases are highly increased in irritable bowel syndrome Tunisian patients. Sci Rep 2023; 13:17571. [PMID: 37845280 PMCID: PMC10579243 DOI: 10.1038/s41598-023-44454-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 10/09/2023] [Indexed: 10/18/2023] Open
Abstract
Serine proteases are involved in many biological processes and are associated with irritable bowel syndrome (IBS) pathology. An increase in serine protease activity has been widely reported in IBS patients. While most of the studies focused on host proteases, the contribution of microbial proteases are poorly studied. In the present study, we report the analysis of proteolytic activities in fecal samples from the first Tunisian cohort of IBS-M patients and healthy individuals. We demonstrated, for the first time, that metalloproteases activities were fourfold higher in fecal samples of IBS patients compared to controls. Of interest, the functional characterization of serine protease activities revealed a 50-fold increase in trypsin-like activities and a threefold in both elastase- and cathepsin G-like activities. Remarkably, we also showed a fourfold increase in proteinase 3-like activity in the case of IBS. This study also provides insight into the alteration of gut microbiota and its potential role in proteolytic modulation in IBS. Our results stressed the impact of the disequilibrium of serine proteases, metalloproteases and gut microbiota in IBS and the need of the further characterization of these targets to set out new therapeutic approaches.
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Affiliation(s)
- Souha Soussou
- Microbiota Interaction With Human and Animal Team (MIHA), Micalis Institute-UMR1319, AgroParisTech, Université Paris-Saclay, INRAE, 78350, Jouy-en-Josas, France
- Laboratory of Molecular Biology of Eukaryotes, Center of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia
| | - Amin Jablaoui
- Microbiota Interaction With Human and Animal Team (MIHA), Micalis Institute-UMR1319, AgroParisTech, Université Paris-Saclay, INRAE, 78350, Jouy-en-Josas, France
| | - Vincent Mariaule
- Microbiota Interaction With Human and Animal Team (MIHA), Micalis Institute-UMR1319, AgroParisTech, Université Paris-Saclay, INRAE, 78350, Jouy-en-Josas, France
| | - Aicha Kriaa
- Microbiota Interaction With Human and Animal Team (MIHA), Micalis Institute-UMR1319, AgroParisTech, Université Paris-Saclay, INRAE, 78350, Jouy-en-Josas, France
| | - Houda Boudaya
- Laboratory of Molecular Biology of Eukaryotes, Center of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia
| | | | - Ali Amouri
- Department of Gastroenterology, Hedi Chaker University Hospital, Sfax, Tunisia
| | - Ali Gargouri
- Laboratory of Molecular Biology of Eukaryotes, Center of Biotechnology of Sfax, University of Sfax, Sfax, Tunisia
| | - Adam Lesner
- Faculty of Chemistry, University of Gdansk, Gdańsk, Poland
| | - Emmanuelle Maguin
- Microbiota Interaction With Human and Animal Team (MIHA), Micalis Institute-UMR1319, AgroParisTech, Université Paris-Saclay, INRAE, 78350, Jouy-en-Josas, France
| | - Moez Rhimi
- Microbiota Interaction With Human and Animal Team (MIHA), Micalis Institute-UMR1319, AgroParisTech, Université Paris-Saclay, INRAE, 78350, Jouy-en-Josas, France.
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Cui X, Qin B, Xia C, Li H, Li Z, Li Z, Nasir A, Bai Q. Transcriptome-wide analysis of trigeminal ganglion and subnucleus caudalis in a mouse model of chronic constriction injury-induced trigeminal neuralgia. Front Pharmacol 2023; 14:1230633. [PMID: 37841912 PMCID: PMC10568182 DOI: 10.3389/fphar.2023.1230633] [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: 05/29/2023] [Accepted: 09/05/2023] [Indexed: 10/17/2023] Open
Abstract
Trigeminal neuropathic pain (TNP) induces mechanical allodynia and hyperalgesia, which are known to alter gene expression in injured dorsal root ganglia primary sensory neurons. Non-coding RNAs (ncRNAs) have been linked to TNP. However, the functional mechanism underlying TNP and the expression profile of ncRNAs in the trigeminal ganglion (TG) and trigeminal subnucleus caudalis (Sp5C) are still unknown. We used RNA sequencing and bioinformatics analysis to examine the TG and Sp5C transcriptomes after infraorbital nerve chronic constrictive injury (IoN-CCI). The robust changes in the gene expression of lncRNAs, circRNAs, and mRNAs were observed within the TG and Sp5C from mice that underwent IoN-CCI and the sham-operated mice (day 7). In total, 111,003 lncRNAs were found in TG and 107,157 in Sp5C; 369 lncRNAs were differentially expressed in TG, and 279 lncRNAs were differentially expressed in Sp5C. In addition, 13,216 circRNAs in TG and 21,658 circRNAs in Sp5C were identified, with 1,155 circRNAs and 2,097 circRNAs differentially expressed in TG and Sp5C, respectively. Furthermore, 5,205 DE mRNAs in TG and 3,934 DE mRNAs in Sp5C were differentially expressed between IoN-CCI and sham groups. The study revealed a high correlation of pain-related differentially expressed genes in the TG and Sp5C to anxiety, depression, inflammation, neuroinflammation, and apoptosis. Gene Ontology analysis revealed that binding-related molecular functions and membrane-related cell components were significantly enriched. Kyoto Encyclopedia of Genes and Genomes analysis shows the most significant enrichments in neurogenesis, nervous system development, neuron differentiation, adrenergic signaling, cAMP signaling, MAPK signaling, and PI3K-Akt signaling pathways. Furthermore, protein-protein interaction analysis showed that hub genes were implicated in neuropeptide signaling pathways. Functional analysis of DE ncRNA-targeting genes was mostly enriched with nociception-related signaling pathways underpinning TNP. Our findings suggest that ncRNAs are involved in TNP development and open new avenues for research and treatment.
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Affiliation(s)
- Xiaona Cui
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology, International Peace Maternity & Child Health Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Bo Qin
- Translational Medical Center, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Chaoyun Xia
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Hong Li
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhiye Li
- Department of Pharmacy, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Zhisong Li
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Abdul Nasir
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Qian Bai
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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6
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Zhu H, Wen B, Xu L, Huang Y. Identification of Potential Inflammation-Related Genes and Key Pathways Associated with Complex Regional Pain Syndrome. Biomolecules 2023; 13:biom13050772. [PMID: 37238642 DOI: 10.3390/biom13050772] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/18/2023] [Accepted: 04/27/2023] [Indexed: 05/28/2023] Open
Abstract
Complex regional pain syndrome (CRPS) is a chronic pain that affects the extremities after a trauma or nerve injury with no definite established treatment. The mechanisms mediating CRPS are not completely elucidated. Thus, we conducted a bioinformatics analysis to identify hub genes and key pathways to determine strategies for more effective treatments of CRPS. Finally, there is only one expression profile of GSE47063 in terms of homo sapiens-based CRPS from the Gene Expression Omnibus (GEO) database, which included four patients and five controls. We explored the differentially expressed genes (DEGs) in the dataset and conducted Gene Ontology (GO) functional and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis of the potential hub genes. A protein-protein interaction (PPI) network was also established; then, according to the score of each hub genes, we used R software to draw the nomogram model to predict the rate of CRPS. Furthermore, GSEA analysis was estimated and assessed by the normalized enrichment score (NES). From the GO and KEGG analysis, we identified the top five hub genes (MMP9, PTGS2, CXCL8, OSM, TLN1); all of the selected DEGs were mainly enriched in their inflammatory response. In addition, the GSEA analysis showed complement and coagulation cascades also play an important role in CRPS. This study, to our knowledge, is the first to conduct further PPI network and GSEA analyses. Thus, targeting excessive inflammation could offer new therapeutic methods for CRPS and related physical and psychiatric disorders.
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Affiliation(s)
- He Zhu
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Bei Wen
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Li Xu
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
| | - Yuguang Huang
- Department of Anesthesiology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, China
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7
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Li G, Ji F, Guo W, Wei B. Decreased serum MMP-9 levels in patients with nontraumatic osteonecrosis of the femoral head. BMC Musculoskelet Disord 2023; 24:240. [PMID: 36991363 PMCID: PMC10053116 DOI: 10.1186/s12891-023-06342-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 03/20/2023] [Indexed: 03/31/2023] Open
Abstract
BACKGROUND Matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of metalloproteinases-1 (TIMP-1) are involved in the pathological mechanism of osteonecrosis of the femoral head (ONFH). This study aimed to investigate the relationship of serum MMP-9, TIMP-1, and the MMP-9/TIMP-1 ratio with disease severity in patients with nontraumatic ONFH. METHODS Serum levels of MMP-9 and TIMP-1 among 102 nontraumatic ONFH patients and 96 healthy individuals were determined by enzyme-linked immunosorbent assay (ELISA). Imaging severity was determined using the FICAT classification system. The Harris hip score (HHS) and visual analogue scale (VAS) were used to evaluate clinical progress. The correlations of serum MMP-9 and TIMP-1 levels with imaging severity and clinical progress was evaluated statistically. The diagnostic value of MMP-9 for NONFH disease severity was evaluated by examining receiver operating characteristic (ROC) curves. RESULTS The serum MMP-9 levels and the MMP-9/TIMP-1 ratio were significantly increased in patients with ONFH compared to normal controls, and TIMP-1 levels did not differ between the two groups. Serum MMP-9 levels and the MMP-9/TIMP-1 ratio were positively correlated with FICAT stage and VAS and were negatively correlated with the HHS score. The ROC curve results indicated that MMP-9 could be used as a potential marker of nontraumatic ONFH imaging progression. CONCLUSIONS We hypothesize that increased MMP-9 expression and an imbalance in the MMP-9/TIMP-1 ratio play a role in the development of ONFH and are correlate with the severity of ONFH. The determination of MMP-9 can be a useful tool to assess the severity of the disease in patients with nontraumatic ONFH.
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Affiliation(s)
- Guopeng Li
- Weifang Medical University, Weifang, Shandong Province, China
- Department of Orthopedics, Linyi People's Hospital, Jie Fang Road East, No.27, Linyi, 276003, Shandong, China
| | - Fengxuan Ji
- Jinzhou Medical University, Jinzhou, Liaoning Province, China
| | - Wenchao Guo
- Weifang Medical University, Weifang, Shandong Province, China
| | - Biaofang Wei
- Department of Orthopedics, Linyi People's Hospital, Jie Fang Road East, No.27, Linyi, 276003, Shandong, China.
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Sanyal S, Amin SA, Banerjee P, Gayen S, Jha T. A review of MMP-2 structures and binding mode analysis of its inhibitors to strategize structure-based drug design. Bioorg Med Chem 2022; 74:117044. [DOI: 10.1016/j.bmc.2022.117044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 12/13/2022]
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9
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Fang ZH, Liao HL, Tang QF, Liu YJ, Zhang YY, Lin J, Yu HP, Zhou C, Li CJ, Liu F, Shen JF. Interactions Among Non-Coding RNAs and mRNAs in the Trigeminal Ganglion Associated with Neuropathic Pain. J Pain Res 2022; 15:2967-2988. [PMID: 36171980 PMCID: PMC9512292 DOI: 10.2147/jpr.s382692] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 09/13/2022] [Indexed: 11/23/2022] Open
Abstract
Background Recent studies have demonstrated the contribution of non-coding RNAs (ncRNAs) to neuropathic pain. However, the expression profile of ncRNAs in the trigeminal ganglion (TG) and their functional mechanism underlying trigeminal neuropathic pain are still unclear. Methods In the present study, the trigeminal neuropathic pain model induced by chronic constriction injury of the infraorbital nerve (CCI-ION) was used to study the expression profile and potential regulatory mechanism of miRNAs, lncRNAs, circRNAs, and mRNAs in the TG by RNA-sequencing (RNA-seq) and bioinformatics analysis. CCI-ION mice suffered from mechanical allodynia from 3 days to 28 days after surgery. Results The RNA-seq results discovered 67 miRNAs, 216 lncRNAs, 14 circRNAs, 595 mRNAs, and 421 genes were differentially expressed (DE) in the TG of CCI-ION mice 7 days after surgery. And 39 DEGs were known pain genes. Besides, 5 and 35 pain-related DE mRNAs could be targeted by 6 DE miRNAs and 107 DE lncRNAs, respectively. And 23 pain-related DEGs had protein–protein interactions (PPI) with each other. GO analysis indicated membrane-related cell components and binding-related molecular functions were significantly enriched. KEGG analysis showed that nociception-related signaling pathways were significantly enriched for DE ncRNAs and DEGs. Finally, the competing endogenous RNA (ceRNA) regulatory network of DE lncRNA/DE circRNA-DE miRNA-DE mRNA existed in the TG of mice with trigeminal neuropathic pain. Conclusion Our findings demonstrate ncRNAs are involved in the development of trigeminal neuropathic pain, possibly through the ceRNA mechanism, which brings a new bright into the study of trigeminal neuropathic pain and the development of novel treatments targeting ncRNAs.
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Affiliation(s)
- Zhong-Han Fang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Hong-Lin Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Qing-Feng Tang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Ya-Jing Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Yan-Yan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Jiu Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Hao-Peng Yu
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Cheng Zhou
- Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Chun-Jie Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Fei Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
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Jiang X, Zhou R, Zhang Y, Zhu T, Li Q, Zhang W. Interleukin-17 as a potential therapeutic target for chronic pain. Front Immunol 2022; 13:999407. [PMID: 36248896 PMCID: PMC9556763 DOI: 10.3389/fimmu.2022.999407] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/20/2022] [Indexed: 11/13/2022] Open
Abstract
Chronic pain remains to be a clinical challenge and is recognized as a major health problem with varying impacts on quality of life. Currently, the first-line therapy for chronic pain is opioids, which are often accompanied by unwanted psychoactive side effects. Thus, new and effective treatments for chronic pain are urgently needed and eagerly pursued. Inflammatory cytokines, especially interleukin-17 (IL-17), are reportedly potential therapeutic targets owing to their pivotal role in chronic pain from the neuroinflammation perspective. Recently, substantial evidence confirmed that IL-17 and IL-17 receptors (IL-17Rs) were increased in neuropathic, inflammatory, and cancer pain models. Notably, IL-17/IL-17R antibodies also reportedly relieve or cure inflammatory- and pain-related diseases. However, existing studies have reported controversial results regarding IL-17/IL-17Rs as potential therapeutic targets in diverse animal models of chronic pain. In this review, we present a summary of published studies and discuss the evidence, from basic to clinical to research, regarding the role and mechanism of action between IL-17 and diverse kinds of chronic pain in animal models and clinical patients. Furthermore, we evaluated IL-17-based therapy as a potential therapeutic strategy for inflammatory- and pain-related disease. Importantly, we also discussed clinical trials of IL-17/IL-17R targeting monoclonal antibodies. Overall, we found that IL-17 is a potential therapeutic target for chronic pain from the perspective of neuroinflammation.
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Affiliation(s)
- Xiaojuan Jiang
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Ruihao Zhou
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Yujun Zhang
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Tao Zhu
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Qian Li
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Qian Li, ; Weiyi Zhang,
| | - Weiyi Zhang
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China (2018RU012)-Chinese Academy of Medical Sciences, West China Hospital, Sichuan University, Chengdu, China
- *Correspondence: Qian Li, ; Weiyi Zhang,
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11
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Merritt CR, Cisneros IE, Covarrubias-Zambrano O, Stutz SJ, Motamedi M, Bossmann SH, Cunningham KA. Liquid Biopsy-Based Biomarkers of Inflammatory Nociception Identified in Male Rats. Front Pharmacol 2022; 13:893828. [PMID: 35833018 PMCID: PMC9271856 DOI: 10.3389/fphar.2022.893828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 05/18/2022] [Indexed: 11/13/2022] Open
Abstract
Physicians are challenged in treating pain patients due to the lack of quantifiable, objective methods of measuring pain in the clinic; pain sensation is multifaceted and subjective to each individual. There is a critical need for point-of-care quantification of accessible biomarkers to provide objective analyses beyond the subjective pain scales currently employed in clinical care settings. In the present study, we employed an animal model to test the hypothesis that circulating regulators of the inflammatory response directly associate with an objective behavioral response to inflammatory pain. Upon induction of localized paw inflammation, we measured the systemic protein expression of cytokines, and activity levels of matrix metalloproteinases (MMPs) that are known to participate in the inflammatory response at the site of injury and investigated their relationship to the behavioral response across a 24 h period. Intraplantar injection with 1% λ-carrageenan induced a significant increase in paw thickness across this timespan with maximal effects observed at the 8 h timepoint when locomotor activity was also impaired. Expression of the chemokines C-X-C motif chemokine ligand 1 (CXCL1) and C-C motif chemokine ligand 2 (CCL2) positively correlated with paw inflammation and negatively correlated with locomotor activity at 8 h. The ratio of MMP9 to MMP2 activity negatively correlated with paw inflammation at the 8 h timepoint. We postulate that the CXCL1 and CCL2 as well as the ratio of MMP9 to MMP2 activity may serve as predictive biomarkers for the timecourse of inflammation-associated locomotor impairment. These data define opportunities for the future development of a point-of-care device to objectively quantify biomarkers for inflammatory pain states.
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Affiliation(s)
- Christina R. Merritt
- Center for Addiction Research, University of Texas Medical Branch, Galveston, TX, United States
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, United States
| | - Irma E. Cisneros
- Center for Addiction Research, University of Texas Medical Branch, Galveston, TX, United States
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, United States
- Department of Pathology, University of Texas Medical Branch, Galveston, TX, United States
| | - Obdulia Covarrubias-Zambrano
- Department of Chemistry, Kansas State University, Manhattan, KS, United States
- Department of Cancer Biology, The University of Kansas Cancer Center, Kansas City, MO, United States
| | - Sonja J. Stutz
- Center for Addiction Research, University of Texas Medical Branch, Galveston, TX, United States
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, United States
| | - Massoud Motamedi
- Center for Addiction Research, University of Texas Medical Branch, Galveston, TX, United States
- Department of Ophthalmology and Visual Sciences, University of Texas Medical Branch, Galveston, TX, United States
| | - Stefan H. Bossmann
- Department of Chemistry, Kansas State University, Manhattan, KS, United States
- Department of Cancer Biology, The University of Kansas Cancer Center, Kansas City, MO, United States
| | - Kathryn A. Cunningham
- Center for Addiction Research, University of Texas Medical Branch, Galveston, TX, United States
- Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, United States
- *Correspondence: Kathryn A. Cunningham,
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12
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Reinhold AK, Krug SM, Salvador E, Sauer RS, Karl-Schöller F, Malcangio M, Sommer C, Rittner HL. MicroRNA-21-5p functions via RECK/MMP9 as a proalgesic regulator of the blood nerve barrier in nerve injury. Ann N Y Acad Sci 2022; 1515:184-195. [PMID: 35716075 DOI: 10.1111/nyas.14816] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Both nerve injury and complex regional pain syndrome (CRPS) can result in chronic pain. In traumatic neuropathy, the blood nerve barrier (BNB) shielding the nerve is impaired-partly due to dysregulated microRNAs (miRNAs). Upregulation of microRNA-21-5p (miR-21) has previously been documented in neuropathic pain, predominantly due to its proinflammatory features. However, little is known about other functions. Here, we characterized miR-21 in neuropathic pain and its impact on the BNB in a human-murine back translational approach. MiR-21 expression was elevated in plasma of patients with CRPS as well as in nerves of mice after transient and persistent nerve injury. Mice presented with BNB leakage, as well as loss of claudin-1 in both injured and spared nerves. Moreover, the putative miR-21 target RECK was decreased and downstream Mmp9 upregulated, as was Tgfb. In vitro experiments in human epithelial cells confirmed a downregulation of CLDN1 by miR-21 mimics via inhibition of the RECK/MMP9 pathway but not TGFB. Perineurial miR-21 mimic application in mice elicited mechanical hypersensitivity, while local inhibition of miR-21 after nerve injury reversed it. In summary, the data support a novel role for miR-21, independent of prior inflammation, in elicitation of pain and impairment of the BNB via RECK/MMP9.
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Affiliation(s)
- Ann Kristin Reinhold
- Department of Anesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Würzburg, Center for Interdisciplinary Pain Medicine, Würzburg, Germany
| | - Susanne M Krug
- Institute of Clinical Physiology/Nutritional Medicine, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Ellaine Salvador
- Department of Anesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Würzburg, Center for Interdisciplinary Pain Medicine, Würzburg, Germany.,Section Experimental Neurosurgery, Department of Neurosurgery, University Hospital Würzburg, Würzburg, Germany
| | - Reine S Sauer
- Department of Anesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Würzburg, Center for Interdisciplinary Pain Medicine, Würzburg, Germany
| | | | - Marzia Malcangio
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - Claudia Sommer
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
| | - Heike L Rittner
- Department of Anesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Würzburg, Center for Interdisciplinary Pain Medicine, Würzburg, Germany
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13
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Rebhorn C, Dimova V, Birklein F. [Complex regional pain syndrome-An update]. Schmerz 2022; 36:141-149. [PMID: 35316391 DOI: 10.1007/s00482-022-00641-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Complex regional pain syndrome (CRPS) is a pain disorder that develops in the hands or feet after injury. Currently, two types are differentiated, CRPS I without and CRPS II with nerve lesions as well as with either an initially warm or an initially cold subtype, depending on the clinical symptoms. After trauma a certain amount of inflammatory reaction is considered physiological. In acute CRPS this inflammation persists for months and is maintained by diverse inflammatory mediators in peripheral tissue and in blood. This persisting inflammation leads to a sensitization of the nociceptive system, causes somatic cells to proliferate and gives rise to a disrupted endothelial function. The treatment concept aims to antagonize the pathophysiologic components and includes anti-inflammatory and analgetic treatment, mobilization and restoration of the sensorimotor function of the affected limb.
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Affiliation(s)
- Cora Rebhorn
- Klinik und Poliklinik für Neurologie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Langenbeckstr. 1, 55131, Mainz, Deutschland.
| | - Violeta Dimova
- Klinik und Poliklinik für Neurologie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Langenbeckstr. 1, 55131, Mainz, Deutschland
| | - Frank Birklein
- Klinik und Poliklinik für Neurologie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Langenbeckstr. 1, 55131, Mainz, Deutschland
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14
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Rebhorn C, Dimova V, Birklein F. [Complex regional pain syndrome-An update]. DER NERVENARZT 2021; 92:1075-1083. [PMID: 34542658 DOI: 10.1007/s00115-021-01186-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/23/2021] [Indexed: 11/30/2022]
Abstract
Complex regional pain syndrome (CRPS) is a pain disorder that develops in the hands or feet after injury. Currently, two types are differentiated, CRPS I without and CRPS II with nerve lesions as well as with either an initially warm or an initially cold subtype, depending on the clinical symptoms. After trauma a certain amount of inflammatory reaction is considered physiological. In acute CRPS this inflammation persists for months and is maintained by diverse inflammatory mediators in peripheral tissue and in blood. This persisting inflammation leads to a sensitization of the nociceptive system, causes somatic cells to proliferate and gives rise to a disrupted endothelial function. The treatment concept aims to antagonize the pathophysiologic components and includes anti-inflammatory and analgetic treatment, mobilization and restoration of the sensorimotor function of the affected limb.
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Affiliation(s)
- Cora Rebhorn
- Klinik und Poliklinik für Neurologie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Langenbeckstr. 1, 55131, Mainz, Deutschland.
| | - Violeta Dimova
- Klinik und Poliklinik für Neurologie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Langenbeckstr. 1, 55131, Mainz, Deutschland
| | - Frank Birklein
- Klinik und Poliklinik für Neurologie, Universitätsmedizin der Johannes-Gutenberg-Universität Mainz, Langenbeckstr. 1, 55131, Mainz, Deutschland
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15
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König S, Steinebrey N, Herrnberger M, Escolano-Lozano F, Schlereth T, Rebhorn C, Birklein F. Reduced serum protease activity in Complex Regional Pain Syndrome: The impact of angiotensin-converting enzyme and carboxypeptidases. J Pharm Biomed Anal 2021; 205:114307. [PMID: 34392129 DOI: 10.1016/j.jpba.2021.114307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 08/02/2021] [Accepted: 08/02/2021] [Indexed: 12/01/2022]
Abstract
Complex Regional Pain Syndrome (CRPS) occurs in about 2% of patients after fracture of the limbs. In an earlier clinical study with 102 probands we have shown that the serum protease network in CRPS might be less effective. Based on these results we hypothesized that angiotensin-converting enzyme (ACE) and carboxypeptidase N (CPN) activity contribute to the differences of labeled bradykinin (DBK) degradation by patients' sera. Details of the enzymatic processes remained however unclear. The contributions of ACE and CPN in the serum degradation of DBK were studied using specific inhibitors. CPN1-ELISA was performed in serum. It was confirmed that the majority of DBK was degraded by ACE and CPN. The data delivered proof that the ACE serum activity was lowered in CRPS. High-resolution mass spectrometry was additionally used for protein expression analysis of sera of above study cohort (CRPS vs. healthy probands). According to principal component analysis of these data, significant differences between CRPS and control samples only occurred in sera of females younger than 46 years. In these CRPS patients, a number of defence / immunity-related proteins and members of the renin-angiotensin system (RAS) protein network were regulated. The impact of CPN in CRPS pathophysiology is subject to further investigation. The data support the hypothesis that both the RAS and the innate immune system might be affected in CRPS. A database of regulated serum proteins was established for future research.
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Affiliation(s)
- Simone König
- Core Unit Proteomics, Interdisciplinary Center for Clinical Research, Medical Faculty, University of Münster, Germany.
| | - Nico Steinebrey
- Core Unit Proteomics, Interdisciplinary Center for Clinical Research, Medical Faculty, University of Münster, Germany
| | - Myriam Herrnberger
- Department of Neurology, University Medical Centre of the Johannes Gutenberg University, Mainz, Germany
| | - Fabiola Escolano-Lozano
- Department of Neurology, University Medical Centre of the Johannes Gutenberg University, Mainz, Germany
| | - Tanja Schlereth
- Department of Neurology, University Medical Centre of the Johannes Gutenberg University, Mainz, Germany; Deutsche Klinik Für Diagnostik, DKD Helios Klinik Wiesbaden, Germany
| | - Cora Rebhorn
- Department of Neurology, University Medical Centre of the Johannes Gutenberg University, Mainz, Germany
| | - Frank Birklein
- Department of Neurology, University Medical Centre of the Johannes Gutenberg University, Mainz, Germany
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