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Chen CJ, Yin JF, Zhao JW, Zhao X, Zhang HX, Chen M, Peng DY. Inflammatory Myofibroblastic Tumor of the Sciatic Nerve Mimicking Lumbar Disc Herniation: A Diagnostic Challenge. World J Oncol 2024; 15:521-525. [PMID: 38751705 PMCID: PMC11092406 DOI: 10.14740/wjon1777] [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: 11/28/2023] [Accepted: 03/16/2024] [Indexed: 05/18/2024] Open
Abstract
Inflammatory myofibroblastic tumors (IMTs), which involve the proliferation of fibroblastic-myofibroblastic cells mixed with inflammatory infiltrates, are exceedingly rare in the extremities. There are no reported IMTs involving the sciatic nerve. This type of involvement may cause entrapment of the sciatic nerve, whose symptoms may mimic lumbar disc herniation (LDH), especially when it occurs in patients with lumbar degenerative disc disease. We describe the case of a 40-year-old male with lumbar degenerative disc disease accompanied by IMT involving the sciatic nerve whose symptoms mimicked LDH and posed a diagnostic challenge. We showed the course of the disease as well as the systematic imaging manifestations of IMTs involving the sciatic nerve and discussed their therapeutic management.
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Affiliation(s)
- Chang Jun Chen
- Department of Orthopedic Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, China
- Chang Jun Chen and Jun Feng Yin contributed equally to this work
| | - Jun Feng Yin
- Department of Orthopedic Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, China
- Chang Jun Chen and Jun Feng Yin contributed equally to this work
| | - Jing Wen Zhao
- International Medical Center, Affiliated Hospital of Qingdao University Medical College, Qingdao, China
| | - Xin Zhao
- Department of Orthopedic Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Hao Xuan Zhang
- Department of Orthopedic Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, China
| | - Meng Chen
- Department of Orthopedic Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, China
| | - Da Yong Peng
- Department of Orthopedic Surgery, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Key Laboratory of Rheumatic Disease and Translational Medicine, Jinan, China
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Li ZC, An F. ERBB2-PTGS2 axis promotes intervertebral disc degeneration by regulating senescence of nucleus pulposus cells. BMC Musculoskelet Disord 2023; 24:504. [PMID: 37340393 DOI: 10.1186/s12891-023-06625-1] [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: 02/14/2023] [Accepted: 06/10/2023] [Indexed: 06/22/2023] Open
Abstract
Intervertebral disc degeneration (IDD) is considered one of the main causes of low back pain and lumbar disc herniation. Various studies have shown that disc cell senescence plays a critical role in this process. however, its role in IDD is yet unclear. In this study, we explored the role of senescence-related genes (SR-DEGs) and its underlying mechanism in IDD. A total of 1325 differentially expressed genes (DEGs) were identified using Gene Expression Omnibus (GEO) database GSE41883. 30 SR-DEGs were identified for further functional enrichment and pathway analysis, and two hub SR-DEGs (ERBB2 and PTGS2) were selected to construct transcription factor (TF)-gene interaction and TF-miRNA coregulatory networks, and 10 candidate drugs were screened for the treatment of IDD. Last but not least, in vitro experiments show that ERBB2 expression decreased and PTGS2 expression increased in human nucleus pulposus (NP) cell senescence model treated with TNF-α. After lentivirus-mediated overexpression of ERBB2, the expression of PTGS2 decreased and the senescence level of NP cells decreased. Overexpression of PTGS2 reversed the anti-senescence effects of ERBB2. The findings in this study suggested that ERBB2 overexpression further reduced NP cell senescence by inhibiting PTGS2 levels, which ultimately alleviated IDD. Taken together, our findings provide new insights into the roles of senescence-related genes in IDD and highlight a novel target of ERBB2-PTGS2 axis for therapeutic strategies.
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Affiliation(s)
- Zhao-Cheng Li
- Department of Spine Surgery, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, 730000, Gansu, PR China
| | - Fu An
- Department of Spine Surgery, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, 730000, Gansu, PR China.
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Derivation and comprehensive analysis of ageing-related genes in intervertebral disc degeneration for prediction and immunology. Mech Ageing Dev 2023; 211:111794. [PMID: 36841375 DOI: 10.1016/j.mad.2023.111794] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/12/2022] [Accepted: 02/20/2023] [Indexed: 02/27/2023]
Abstract
Intervertebral disc degeneration (IDD) is triggered primarily by ageing, a process characterized by intrinsic, multifaceted and progressive characteristics. Regarding the crucial senescence genes and underlying regulatory mechanisms leading to the etiology of IDD, there is still some uncertainty. In this study, we used gene expression patterns from the GEO database to create a diagnostic model of IDD using differential ageing-related genes (DARG). We examine the relative dynamics of immune cells by single-sample gene set. On the basis of transcription factor (TF) miRNA and miRNA-mRNA pairs, the regulatory network for transcription and post-transcriptional processes was built. The active therapeutic components and Chinese herbal remedies of the main ageing genes were investigated using a network pharmacology approach. 20 DARGs were combined to create a diagnostic model, and both the training and validation sets had an area under the ROC curve of 1. We found alterations in many cell types in IDD tissue, but mainly in activated dendritic cells, type 17 T helper cells, and mast cells. We identified a regulatory axis for STAT1/miR-4306/PPARA based on the correlations between gene expression and targeting. Active substances (Naringenin and Quercetin) and herbs (Aurantii fructus and Eucommiae cortex) targeting PPARA for the treatment of IDD were discovered through network pharmacology. These results provide a theoretical framework for identifying and treating IDD. For the first time, we were able to diagnose IDD patients using 20 ageing-related indicators. At the same time, TF-miRNA-mRNA in conjunction with network pharmacology enabled the identification of prospective therapeutic targets and pharmacological processes.
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Goode AP, Hu D, George SZ, Schwartz TA, Kraus VB, Huebner JL, Cleveland RJ, Taylor KA, Jordan JM, Golightly YM. Biomarker clusters differentiate phenotypes of lumbar spine degeneration and low back pain: The Johnston County Osteoarthritis Project. OSTEOARTHRITIS AND CARTILAGE OPEN 2022; 4. [PMID: 35991624 PMCID: PMC9387345 DOI: 10.1016/j.ocarto.2022.100270] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Objective: Describe the association between biomarkers and lumbar spine degeneration (vertebral osteophytes [OST], facet joint osteoarthritis [FOA], and disc space narrowing [DSN]), for persons with and without low back pain (LBP) and determine whether clusters based on biomarkers differentiate lumbar spine structure with and without LBP. Methods: Using data from the Johnston County Osteoarthritis Project (2006–2010), we measured serum N-cadherin, Keratin-19, Lumican, CXCL6, RANTES, HA, IL-6, BDNF, OPG, and NPY, and urinary CTX-II. Biomarkers were used to group participants using k-means cluster analysis. Logistic regression models were used to compare biomarker clusters. Results: The sample consisted of 731 participants with biospecimens and lumbar spine radiographic data. Three biomarker subgroups were identified: one characterized by structural degenerative changes; another characterized by structural degenerative changes and inflammation, with pain; and a referent cluster with lower levels of biomarkers, pain, and structural degenerative changes. Compared to the referent subgroup, the structural change subgroup was associated with DSN (OR = 1.94, 95% CI 1.30–2.90) and FOA (OR = 1.72, 95% CI 1.12–2.62), and the subgroup with structural degenerative change, inflammation, and pain was associated with OST with LBP (OR = 1.60, 95% CI 1.04–2.46), FOA with LBP (OR = 1.59, 95% CI 1.04–2.45), and LBP (OR = 1.63, 95% CI 1.11–2.41). The subgroup with structural degenerative changes was more likely to have OST (OR = 1.82, 95% CI 1.06–3.13) and less likely to have FOA with LBP (OR = 0.62, 95% CI 0.40–0.96) compared to the group with inflammation and pain. Conclusion: Clustering by biomarkers may assist in differentiating patients for specific clinical interventions aimed at decreasing LBP.
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Suyama K, Sakai D, Watanabe M. The Role of IL-17-Mediated Inflammatory Processes in the Pathogenesis of Intervertebral Disc Degeneration and Herniation: A Comprehensive Review. Front Cell Dev Biol 2022; 10:857164. [PMID: 35309927 PMCID: PMC8927779 DOI: 10.3389/fcell.2022.857164] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 02/17/2022] [Indexed: 12/12/2022] Open
Abstract
It has been reported that degenerated and herniated lumbar intervertebral discs show high expression of IL-17, suggesting that local immune reactions occur in patients with low back pain. While clinical sample analyses from different laboratories confirm this, it is not deeply not known on how IL-17 is induced in the pathology and their interactions with other inflammatory responses. This conscience review organizes current laboratory findings on this topic and present trajectory for full understanding on the role of IL-17 in pathology of intervertebral disc disease.
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Affiliation(s)
- Kaori Suyama
- Department of Anatomy and Cellular Biology, Basic Medical Science, Tokai University School of Medicine, Isehara, Japan
| | - Daisuke Sakai
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
- *Correspondence: Daisuke Sakai,
| | - Masahiko Watanabe
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Japan
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Wang Z, Wu H, Chen Y, Chen H, Wang X, Yuan W. Lactobacillus paracasei S16 Alleviates Lumbar Disc Herniation by Modulating Inflammation Response and Gut Microbiota. Front Nutr 2021; 8:701644. [PMID: 34447774 PMCID: PMC8382687 DOI: 10.3389/fnut.2021.701644] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/02/2021] [Indexed: 12/12/2022] Open
Abstract
Lumbar disc herniation (LDH) is a common cause for low back pain. In this study, we aimed to explore the effects of a specific Lactobacillus paracasei (L. paracasei), L. paracasei S16, on the symptoms of LDH using a mouse model of LDH. The results showed that L. paracasei S16 treatment improved the behavior, increased the cell proliferation, and decreased the apoptosis in LDH mice. Moreover, L. paracasei S16 treatment alleviated the aberrant inflammation response in the LDH mice, which is characterized by the decreased anti-inflammatory cytokines, increased pro-inflammatory cytokines, and decreased percentage of Th1 and Th2 cells and Th17/Treg ratio. 16S rRNA sequencing results showed that the LDH mice treated with L. paracasei S16 have higher relative abundance of Lachnospiraceae and Ruminococcaceae and lower abundance of Lactobacillaceae than mice in the LDH group. Additionally, the serum metabolites involved in the linoleic acid metabolism, alanine. aspartate, and glutamate, glycerophospholipid, and TCA cycle were significantly decreased and the metabolite involved in purine metabolism was significantly increased after the L. paracasei S16 treatment in the LDH mice. These results showed that administration of L. paracasei S16 can improve inflammation response, alter gut microbiota, and modulate serum metabolomics in a mouse model of LDH.
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Affiliation(s)
- Zhanchao Wang
- Department of Orthopaedics, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Huiqiao Wu
- Department of Orthopaedics, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Yu Chen
- Department of Orthopaedics, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Huajiang Chen
- Department of Orthopaedics, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Xinwei Wang
- Department of Orthopaedics, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Wen Yuan
- Department of Orthopaedics, Changzheng Hospital, Naval Medical University, Shanghai, China
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An Investigation of the Molecular Mechanisms Underlying the Analgesic Effect of Jakyak-Gamcho Decoction: A Network Pharmacology Study. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:6628641. [PMID: 33343676 PMCID: PMC7732394 DOI: 10.1155/2020/6628641] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 11/05/2020] [Accepted: 11/24/2020] [Indexed: 12/20/2022]
Abstract
Herbal drugs have drawn substantial interest as effective analgesic agents; however, their therapeutic mechanisms remain to be fully understood. To address this question, we performed a network pharmacology study to explore the system-level mechanisms that underlie the analgesic activity of Jakyak-Gamcho decoction (JGd; Shaoyao-Gancao-Tang in Chinese and Shakuyaku-Kanzo-To in Japanese), an herbal prescription consisting of Paeonia lactiflora Pallas and Glycyrrhiza uralensis Fischer. Based on comprehensive information regarding the pharmacological and chemical properties of the herbal constituents of JGd, we identified 57 active chemical compounds and their 70 pain-associated targets. The JGd targets were determined to be involved in the regulation of diverse biological activities as follows: calcium- and cytokine-mediated signalings, calcium ion concentration and homeostasis, cellular behaviors of muscle and neuronal cells, inflammatory response, and response to chemical, cytokine, drug, and oxidative stress. The targets were further enriched in various pain-associated signalings, including the PI3K-Akt, estrogen, ErbB, neurotrophin, neuroactive ligand-receptor interaction, HIF-1, serotonergic synapse, JAK-STAT, and cAMP pathways. Thus, these data provide a systematic basis to understand the molecular mechanisms underlying the analgesic activity of herbal drugs.
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Ding F, Li X. Apigenin Mitigates Intervertebral Disc Degeneration through the Amelioration of Tumor Necrosis Factor α (TNF-α) Signaling Pathway. Med Sci Monit 2020; 26:e924587. [PMID: 32949455 PMCID: PMC7523418 DOI: 10.12659/msm.924587] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Background Intervertebral disc degeneration (IDD) is a common spinal disease affected by environmental and lifestyle factors that has a significant pathological cascade toward inflammation and partial disability. There is currently no therapy that can completely restore the cellular derangement in IDD. Hence, in this study, the therapeutic effects of apigenin on IDD were evaluated using a rat model. Material/Methods Animals were separated into 4 groups: Grp 1, sham-operated control; Grp 2, IDD-induced; Grp 3, IDD-induced+apigenin treatment; Grp 4, apigenin control. The animals were assessed for inflammatory cytokines, chemokines, and prostaglandin signaling. Results There were significant increases in the inflammatory cytokines IL-1β, IL-2, IL-6, IL-8 and IL-17 in the IDD-induced group compared to that of control. Moreover, with increased levels of MMP-3, MMP-9, ADAMTS-4, and syndecan-4, the levels of TNF-α, IFN-γ, prostaglandin E2, and cyclooxygenase 2 were directly increased in the IDD-induced group. In contrast, apigenin protectively restored levels of prostaglandin signaling and reduced cytokine levels. In addition, nucleus pulposus cells cultured separately with either TNF-α inhibitor or apigenin significantly attenuated the levels of extracellular matrix proteins. Conclusions The reduction of cytokine levels under apigenin treatment suggests it may be a promising target drug therapy for the treatment of deleterious IDD conditions.
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Affiliation(s)
- Fan Ding
- Department of Orthopaedic Surgery, The First People's Hospital of Jingmen, Jingmen, Hubei, China (mainland)
| | - Xia Li
- Department of Ophthalmology, The First People's Hospital of Jingmen, Jingmen, Hubei, China (mainland)
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Goode AP, Schwartz TA, Kraus VB, Huebner JL, George SZ, Cleveland RJ, Gracely R, Jimenez M, DeFrate LE, Chen J, Golightly YM, Jordan JM. Inflammatory, Structural, and Pain Biochemical Biomarkers May Reflect Radiographic Disc Space Narrowing: The Johnston County Osteoarthritis Project. J Orthop Res 2020; 38:1027-1037. [PMID: 31750565 PMCID: PMC7162706 DOI: 10.1002/jor.24534] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 11/10/2019] [Indexed: 02/04/2023]
Abstract
The purpose of this work is to determine the relationship between biomarkers of inflammation, structure, and pain with radiographic disc space narrowing (DSN) in community-based participants. A total of 74 participants (37 cases and 37 controls) enrolled in the Johnston County Osteoarthritis Project during 2006-2010 were selected. The cases had at least mild radiographic DSN and low back pain (LBP). The controls had neither radiographic evidence of DSN nor LBP. The measured analytes from human serum included N-cadherin, Keratin-19, Lumican, CXCL6, RANTES, IL-17, IL-6, BDNF, OPG, and NPY. A standard dolorimeter measured pressure-pain threshold. The coefficients of variation were used to evaluate inter- and intra-assay reliability. Participants with similar biomarker profiles were grouped together using cluster analysis. The binomial regression models were used to estimate risk ratios (RR) and 95% confidence intervals (CI) in propensity score-matched models. Significant associations were found between radiographic DSN and OPG (RR = 3.90; 95% CI: 1.83, 8.31), IL-6 (RR = 2.54; 95% CI: 1.92, 3.36), and NPY (RR = 2.06 95% CI: 1.62, 2.63). Relative to a cluster with low levels of biomarkers, a cluster representing elevated levels of OPG, RANTES, Lumican, Keratin-19, and NPY (RR = 3.04; 95% CI: 1.22, 7.54) and a cluster representing elevated levels of NPY (RR = 2.91; 95% CI: 1.15, 7.39) were significantly associated with radiographic DSN. Clinical Significance: These findings suggest that individual and combinations of biochemical biomarkers may reflect radiographic DSN. This is just one step toward understanding the relationships between biochemical biomarkers and DSN that may lead to improved intervention delivery. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:1027-1037, 2020.
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Affiliation(s)
- Adam P. Goode
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA,Duke Clinical Research Institute, Duke University, Durham, NC, USA,Department of Population Health Science, Duke University School of Medicine, Durham, NC
| | - Todd A. Schwartz
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA,Department of Biostatistics, University of North Carolina, Chapel Hill, NC, USA
| | - Virginia B. Kraus
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Durham, NC, USA
| | - Janet L. Huebner
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Durham, NC, USA
| | - Steven Z. George
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA,Duke Clinical Research Institute, Duke University, Durham, NC, USA
| | - Rebecca J. Cleveland
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA,Department of Medicine, University of North Carolina, Chapel Hill, NC, USA
| | - Rick Gracely
- Department of Endodontics, University of North Carolina, Chapel Hill, NC, USA
| | - Maria Jimenez
- Duke Clinical Research Institute, Duke University, Durham, NC, USA
| | - Louis E. DeFrate
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA,Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, USA,Department of Biomedical Engineering, Duke University, Durham, NC, USA
| | - Jun Chen
- Department of Orthopedic Surgery, Duke University School of Medicine, Durham, NC, USA
| | - Yvonne M. Golightly
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA,Injury Prevention Research Center, University of North Carolina, Chapel Hill, NC, USA,Department of Epidemiology, University of North Carolina, Chapel Hill, NC, USA,Division of Physical Therapy, University of North Carolina, Chapel Hill, NC, USA
| | - Joanne M. Jordan
- Thurston Arthritis Research Center, University of North Carolina, Chapel Hill, NC, USA,Department of Medicine, University of North Carolina, Chapel Hill, NC, USA,Department of Epidemiology, University of North Carolina, Chapel Hill, NC, USA,Department of Orthopedics, University of North Carolina, Chapel Hill, NC, USA
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Liu Y, Qu Y, Liu L, Zhao H, Ma H, Si M, Cheng L, Nie L. PPAR-γ agonist pioglitazone protects against IL-17 induced intervertebral disc inflammation and degeneration via suppression of NF-κB signaling pathway. Int Immunopharmacol 2019; 72:138-147. [DOI: 10.1016/j.intimp.2019.04.012] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 03/24/2019] [Accepted: 04/04/2019] [Indexed: 01/25/2023]
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Zhu Y, Jia H, Li J, Ren S, Huang Z, Li F, Xing W, Li S, Yang X. Associations between Variants in BDNF/BDNFOS Gene and Lumbar Disc Herniation Risk among Han Chinese People. Sci Rep 2018; 8:12782. [PMID: 30143695 PMCID: PMC6109184 DOI: 10.1038/s41598-018-31146-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Accepted: 08/07/2018] [Indexed: 12/02/2022] Open
Abstract
Lumbar disc herniation (LDH) is a low back pain disorder and associated with several single nucleotide polymorphisms (SNPs). However, the role of brain-derived neurotrophic factor (BDNF) and BDNFOS gene in LDH susceptibility remains unknown. To examine whether the variants contribute to LDH, 7 SNPs were genotyped in 380 patients and 692 healthy controls among Han Chinese population. Multiple genetic models, stratification by age/gender and haploview analysis was used by calculating odds ratio (OR) and 95% confidence intervals (CIs). Rs11030064 in BDNFOS gene was associated with modified susceptibility for LDH at age ≤50 years but three loci (rs6265, rs11030104 and rs10767664) of BDNF gene increased LDH risk at age >50 years. Further, rs11030096 polymorphism in BDNFOS gene was associated with LDH the increased susceptibility of LDH in females. Haplotype analysis shown that haplotype “GCC” in the block (rs988712, rs7481311, and rs11030064) increased LDH risk (OR = 1.49, 95% CI = 1.06–2.10, p = 0.022) at age ≤50 years. However, there was no significant association between BDNF/BDNFOS gene and LDH risk in the overall before stratified analysis. For the first time, our results provide evidence on polymorphism of BDNF / BDNFOS gene associated with LDH risk in Chinese Han population.
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Affiliation(s)
- Yong Zhu
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010030, China
| | - Haiyu Jia
- The Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010000, China
| | - Jiabin Li
- Inner Mongolia Medical University, Hohhot, 010050, China
| | - Shaodong Ren
- Inner Mongolia Medical University, Hohhot, 010050, China
| | - Zhi Huang
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010030, China
| | - Feng Li
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010030, China
| | - Wenhua Xing
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010030, China
| | - Shunan Li
- The Hohhot First Hospital, Hohhot, 010020, China.
| | - Xuejun Yang
- The Second Affiliated Hospital of Inner Mongolia Medical University, Hohhot, 010030, China.
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Shamji MF, Guha D, Paul D, Shcharinsky A. Systemic Inflammatory and Th17 Immune Activation among Patients Treated for Lumbar Radiculopathy Exceeds that of Patients Treated for Persistent Postoperative Neuropathic Pain. Neurosurgery 2018; 81:537-544. [PMID: 28591802 DOI: 10.1093/neuros/nyx052] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 05/23/2017] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The pathophysiology of lumbar radiculopathy includes both mechanical compression and biochemical irritation of apposed neural elements. Inflammatory and immune cytokines have been implicated, induced by systemic exposure of immune-privileged intervertebral disc tissue. Surgical intervention provides improved symptoms and quality of life, but persistent postoperative neuropathic pain (PPNP) afflicts a significant fraction of patients. OBJECTIVE To compare the inflammatory and immune phenotypes among patients undergoing structural surgery for lumbar radiculopathy and spinal cord stimulation for neuropathic pain. METHODS Consecutive patients undergoing surgical intervention for lumbar radiculopathy or neuropathic pain were studied. Demographic data included age, gender, and VAS and neuropathic pain scores. Serum was evaluated for cytokine levels (IL-6, Il-17, TNF-α) and cellular content [white blood cell (WBC)/differential, lymphocyte subtypes]. The primary analysis differentiated molecular and cellular profiles between radiculopathy and neuropathic pain patients. Subgroup analysis within the surgical radiculopathy population compared those patients achieving relief of symptoms and those with PPNP. RESULTS Heightened IL-6, Il-17, and TNF-α levels were observed for the lumbar radiculopathy group compared with the neuropathic pain group. This was complemented by higher WBC count and a greater fraction of Th17 lymphocytes among radiculopathy patients. In the lumbar discectomy subgroup, pain relief was seen among patients with preoperatively elevated IL-17 levels. Those patients with PPNP refractory to surgical discectomy exhibited normal cytokine levels. CONCLUSION Differences in Th17 immune activation are seen among radiculopathy and neuropathic pain patients. These cellular and molecular profiles may be translated into biomarkers to improve patient selection for structural spine surgery.
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Affiliation(s)
- Mohammed F Shamji
- Division of Neurosurgery, Toronto West-ern Hospital Toronto, Ontario, Canada.,Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Daipayan Guha
- Division of Neurosurgery, Toronto West-ern Hospital Toronto, Ontario, Canada
| | - Darcia Paul
- Division of Neurosurgery, Toronto West-ern Hospital Toronto, Ontario, Canada
| | - Alina Shcharinsky
- Division of Neurosurgery, Toronto West-ern Hospital Toronto, Ontario, Canada
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13
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Li JK, Nie L, Zhao YP, Zhang YQ, Wang X, Wang SS, Liu Y, Zhao H, Cheng L. IL-17 mediates inflammatory reactions via p38/c-Fos and JNK/c-Jun activation in an AP-1-dependent manner in human nucleus pulposus cells. J Transl Med 2016; 14:77. [PMID: 26988982 PMCID: PMC4794827 DOI: 10.1186/s12967-016-0833-9] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 03/07/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Low back pain and sciatica caused by intervertebral disc (IVD) disease are associated with inflammatory responses. The cytokine interleukin 17 (IL-17) is elevated in herniated and degenerated IVD tissues and acts as a regulator of disc inflammation. The objective of this study was to investigate the involvement of IL-17A in IVD inflammatory response and to explore the mechanisms underlying this response. METHODS Cells were isolated from nucleus pulposus (NP) tissues collected from patients undergoing surgeries for IVD degeneration. The concentrations of COX2 and PGE2, as well as of select proteins involved in the mitogen-activated protein kinase (MAPK)/activating protein-1 (AP-1) pathway, were quantified in NP cells after exposure to IL-17 with or without pretreatment with MAPK or AP-1 inhibitors. RESULTS Our results showed that IL-17A increased COX2 expression and PGE2 production via the activation of MAPKs, including p38 kinase and Jun N-terminal kinase (JNK). Moreover, IL-17A-induced COX2 and PGE2 production was shown to rely on p38/c-Fos and JNK/c-Jun activation in an AP-1-dependent manner. CONCLUSION In summary, our results indicate that IL-17A enhances COX2 expression and PGE2 production via the p38/c-Fos and JNK/c-Jun signalling pathways in NP cells to mediate IVD inflammation.
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Affiliation(s)
- Jing-kun Li
- />Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, 250012 Shandong People’s Republic of China
| | - Lin Nie
- />Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, 250012 Shandong People’s Republic of China
| | - Yun-peng Zhao
- />Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, 250012 Shandong People’s Republic of China
| | - Yuan-qiang Zhang
- />Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, 250012 Shandong People’s Republic of China
| | - Xiaoqing Wang
- />Department of Orthopaedic Surgery, Shanghai Ninth People’s Hospital, Shanghai, 200011 People’s Republic of China
| | - Shuai-shuai Wang
- />Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, 250012 Shandong People’s Republic of China
| | - Yi Liu
- />Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, 250012 Shandong People’s Republic of China
| | - Hua Zhao
- />Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, 250012 Shandong People’s Republic of China
| | - Lei Cheng
- />Department of Orthopaedic Surgery, Qilu Hospital, Shandong University, Jinan, 250012 Shandong People’s Republic of China
- />Qilu Hospital Shandong University, No.107, Wen Hua Xi Road, Jinan, 250012 Shandong People’s Republic of China
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Jiang H, Deng Y, Wang T, Ma J, Li P, Tian P, Han C, Ma X. Interleukin-23 may contribute to the pathogenesis of lumbar disc herniation through the IL-23/IL-17 pathway. J Orthop Surg Res 2016; 11:12. [PMID: 26774625 PMCID: PMC4715358 DOI: 10.1186/s13018-016-0343-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 01/07/2016] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Studies have indicated that interleukin 23 (IL-23) plays an important role in many inflammatory- and autoimmune-related diseases. However, there is little knowledge about IL-23 in lumbar disc herniation (LDH). Thus, in this study, we aimed to find out whether IL-23 is expressed in intervertebral discs (IVDs) and what roles it may play. METHODS Human IVD tissues were collected from 29 LDH patients and 8 vertebral fracture patients (normal control, NC group). According to the integrity of annulus fibrosus, LDH patients were divided into two groups: R group (ruptured group, n = 16) and NR group (non-ruptured group, n = 13). Morphological changes of IVDs were assessed by hematoxylin and eosin (HE staining), and expression of IL-23 in IVD tissues was detected by immunohistochemical staining. Besides gene expression of IL-23, IL-17, IL-6, IL-1β, and TNF-α was also evaluated by reverse transcription polymerase chain reaction (RT-PCR). RESULTS The results showed that the R group was more degenerated than the other two groups and NC group showed the least degenerated performance; stronger positive IL-23 expression was observed in herniated IVDs, especially in the R group. Meanwhile, higher gene expression of IL-23, IL-17, IL-6, IL-1β, and TNF-α was found in the tissues from LDH patients and a positive correlation between IL-17 and IL-23 gene expression was also observed. CONCLUSIONS Taken all above results together, it may be deduced that higher expression of IL-23 may contribute to the deterioration of IVDs through the IL-23/IL-17 pathway.
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Affiliation(s)
- Hongqiang Jiang
- Department of Orthopaedics, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China.
| | - Yao Deng
- Tianjin Orthopedics Institute, No.155, Munan Road,Heping District, Tianjin, 300050, China.
| | - Tao Wang
- Tianjin Orthopedics Institute, No.155, Munan Road,Heping District, Tianjin, 300050, China.
| | - Jianxiong Ma
- Tianjin Orthopedics Institute, No.155, Munan Road,Heping District, Tianjin, 300050, China.
| | - Pengfei Li
- Tianjin Orthopedics Institute, No.155, Munan Road,Heping District, Tianjin, 300050, China.
| | - Peng Tian
- Tianjin Orthopedics Institute, No.155, Munan Road,Heping District, Tianjin, 300050, China.
| | - Chao Han
- Tianjin Orthopedics Institute, No.155, Munan Road,Heping District, Tianjin, 300050, China.
| | - Xinlong Ma
- Department of Orthopaedics, Tianjin Medical University General Hospital, No. 154, Anshan Road, Heping District, Tianjin, 300052, China. .,Tianjin Orthopedics Institute, No.155, Munan Road,Heping District, Tianjin, 300050, China.
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15
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Zhang Y, Liu L, Wang S, Zhao Y, Liu Y, Li J, Nie L, Cheng L. Production of CCL20 on nucleus pulposus cells recruits IL-17-producing cells to degenerated IVD tissues in rat models. J Mol Histol 2015; 47:81-9. [DOI: 10.1007/s10735-015-9651-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2015] [Accepted: 12/20/2015] [Indexed: 12/27/2022]
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