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Chen Y, Hu Y. Wnt Signaling Activation in Gingival Epithelial Cells and Macrophages of Experimental Periodontitis. Dent J (Basel) 2023; 11:129. [PMID: 37232780 PMCID: PMC10217294 DOI: 10.3390/dj11050129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 04/20/2023] [Accepted: 05/04/2023] [Indexed: 05/27/2023] Open
Abstract
Objective: Wingless/integrated (Wnt) signaling plays critical roles in maintaining environmental homeostasis and is also involved in the pathogenesis of inflammatory diseases. However, its role in macrophages during periodontitis is not well understood. The present study aims to investigate the interaction between Wnt signaling and macrophages in the context of periodontitis. Methods: Experimental periodontitis was induced in C57/BL6 mice using a Porphyromonas gingivalis (P.g)-associated ligature for 14 days. Immunohistochemistry was performed to study the expression of the pro-inflammatory cytokine tumor necrosis factor (TNF-α), the stabilization of β-catenin, and the macrophage marker F4/80 in the periodontal tissues. The effect of Wnt signaling on TNF-α was examined using Western blot analysis in Raw 264.7 murine macrophages stimulated by Wnt3a-conditioned medium, with or without Wnt3a antibody neutralization, and compared with primary cultured gingival epithelial cells (GECs). The effect of P.g lipopolysaccharide (LPS) on Wnt signaling was assessed by analyzing key components of the Wnt signaling pathway, including the activity of low-density lipoprotein receptor-related protein (LRP) 6 and nuclear accumulation of β-catenin in GEC and Raw 264.7 cells. Results: Over-expressions of TNF-α and activated β-catenin were presented in the macrophages in the gingiva from mice with P.g-associated ligature-induced periodontitis. The expression patterns of TNF-α and activated β-catenin were consistent with the expression of F4/80. In Raw 264.7 cells, activation of the Wnt signaling pathway led to an increase in TNF-α, but this effect was not observed in GEC. Additionally, treatment with LPS induced β-catenin accumulation and LRP6 activation in Raw 264.7 cells, which were blocked by the addition of Dickkopf-1(DKK1). Conclusions: Wnt signaling was aberrantly activated in the macrophages in experimental periodontitis. The activation of Wnt signaling in the macrophages may play a pro-inflammatory role in periodontitis. Targeting specific signaling pathways, such as the Wnt pathway, may hold promise for developing novel therapeutic interventions for periodontitis.
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Affiliation(s)
| | - Yang Hu
- Department of Immunology and Infectious Diseases, The Forsyth Institute, 245 First Street, Cambridge, MA 02142, USA
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2
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Hiyama A, Suyama K, Sakai D, Tanaka M, Watanabe M. Correlational analysis of chemokine and inflammatory cytokine expression in the intervertebral disc and blood in patients with lumbar disc disease. J Orthop Res 2022; 40:1213-1222. [PMID: 34191345 DOI: 10.1002/jor.25136] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 05/01/2021] [Accepted: 06/25/2021] [Indexed: 02/04/2023]
Abstract
The involvement of intervertebral disc (IVD) tissues, whole blood (WB) cytokines, and chemokines in pain in patients with lumbar degenerative disc disease (LDD) is unknown. We investigated the relationships between inflammatory cytokines and chemokines in human IVD tissues and WB samples and their association with pain. Expression levels of chemokines and cytokine gene expression were measured in samples from 20 patients with LDD and compared between IVD tissues and WB samples. The associations between WB chemokine and cytokine gene expression levels and pain intensity (numeric rating scale) were also analyzed. The mRNA of C-C chemokine ligand 20 (CCL20), C-C chemokine receptor 6 (CCR6), interleukin-6 (IL-6), IL-1β, IL-17, and tumor necrosis factor-α (TNF-α) was expressed in degenerated IVD tissues. Pearson's product-moment correlation analysis produced positive correlations between CCR6 and IL-6 expression levels in IVD tissues (r = 0.845, p < 0.001) and WB samples (r = 0.963, p < 0.001). WB IL-6 and CCR6 mRNA expression levels correlated significantly with present pain, maximum pain, and average pain. By contrast, low back pain (LBP) did not correlate with serum chemokine/cytokine expression. This is the first study to report correlations between chemokine and inflammatory cytokine gene expression levels in IVD tissues and WB samples in patients with LDD in relation to pain intensity. WB CCR6 and IL-6 gene expression levels correlated significantly with present pain, maximum pain, and average pain, but not with LBP. These data provide a new understanding of the role of chemokines and inflammatory cytokines in patients with LDD and may lead to new treatment strategies for pain.
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Affiliation(s)
- Akihiko Hiyama
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Kaori Suyama
- Department of Anatomy and Cellular Biology, Basic Medical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Daisuke Sakai
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Masahiro Tanaka
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Masahiko Watanabe
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
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3
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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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4
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Allert S, Schulz D, Kämmer P, Großmann P, Wolf T, Schäuble S, Panagiotou G, Brunke S, Hube B. From environmental adaptation to host survival: Attributes that mediate pathogenicity of Candida auris. Virulence 2022; 13:191-214. [PMID: 35142597 PMCID: PMC8837256 DOI: 10.1080/21505594.2022.2026037] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Candida species are a major cause of invasive fungal infections. While Candida albicans, C. glabrata, C. parapsilosis, and C. tropicalis are the most dominant species causing life-threatening candidiasis, C. auris recently emerged as a new species causing invasive infections with high rates of clinical treatment failures. To mimic initial phases of systemic Candida infections with dissemination via the bloodstream and to elucidate the pathogenic potential of C. auris, we used an ex vivo whole blood infection model. Similar to other clinically relevant Candida spp., C. auris is efficiently killed in human blood, but showed characteristic patterns of immune cell association, survival rates, and cytokine induction. Dual-species transcriptional profiling of C. auris-infected blood revealed a unique C. auris gene expression program during infection, while the host response proofed similar and conserved compared to other Candida species. C. auris-specific responses included adaptation and survival strategies, such as counteracting oxidative burst of immune cells, but also expression of potential virulence factors, (drug) transporters, and cell surface-associated genes. Despite comparable pathogenicity to other Candida species in our model, C. auris-specific transcriptional adaptations as well as its increased stress resistance and long-term environmental survival, likely contribute to the high risk of contamination and distribution in a nosocomial setting. Moreover, infections of neutrophils with pre-starved C. auris cells suggest that environmental preconditioning can have modulatory effects on the early host interaction. In summary, we present novel insights into C. auris pathogenicity, revealing adaptations to human blood and environmental niches distinctive from other Candida species.
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Affiliation(s)
- Stefanie Allert
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany
| | - Daniela Schulz
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany
| | - Philipp Kämmer
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany
| | - Peter Großmann
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany
| | - Thomas Wolf
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany
| | - Sascha Schäuble
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany
| | - Gianni Panagiotou
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany.,Department of Medicine and State Key Laboratory of Pharmaceutical Biotechnology, University of Hong Kong, Hong Kong, China
| | - Sascha Brunke
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany
| | - Bernhard Hube
- Department of Microbial Pathogenicity Mechanisms, Leibniz Institute for Natural Product Research and Infection Biology, Hans-Knoell-Institute, Jena, Germany.,Institute of Microbiology, Friedrich-Schiller-University, Jena, Germany
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5
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Wu ZL, Xie QQ, Liu TC, Yang X, Zhang GZ, Zhang HH. Role of the Wnt pathway in the formation, development, and degeneration of intervertebral discs. Pathol Res Pract 2021; 220:153366. [PMID: 33647863 DOI: 10.1016/j.prp.2021.153366] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 01/31/2021] [Accepted: 02/02/2021] [Indexed: 12/13/2022]
Abstract
Intervertebral disc degeneration (IVDD) is an age-related degenerative disease that is the main cause of low back pain. It seriously affects the quality of life of patients and places a heavy economic burden on families and society. The Wnt pathway plays an important role in the growth, development, and degeneration of intervertebral discs (IVDs). In the embryonic stage, the Wnt pathway participates in the growth and development of IVD by promoting the transformation of progenitor cells into notochord cells and the extension of the notochord. However, the activation of the Wnt pathway after birth promotes IVD cell senescence, apoptosis, and degradation of the extracellular matrix and induces the production of inflammatory factors, thereby accelerating the IVDD process. This article reviews the relationship between the Wnt pathway and IVD, emphasizing its influence on IVD growth, development, and degeneration. Targeting this pathway may become an effective strategy for the treatment of IVDD.
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Affiliation(s)
- Zuo-Long Wu
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu 730000, China; Department of Orthopaedics, Second Hospital of Lanzhou University, Lanzhou, Gansu 730000, China; Key Laboratory of Orthopaedics Disease of Gansu Province, Lanzhou, Gansu 730000, China
| | - Qi-Qi Xie
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu 730000, China; Department of Orthopaedics, Second Hospital of Lanzhou University, Lanzhou, Gansu 730000, China; Key Laboratory of Orthopaedics Disease of Gansu Province, Lanzhou, Gansu 730000, China
| | - Tai-Cong Liu
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu 730000, China; Department of Orthopaedics, Second Hospital of Lanzhou University, Lanzhou, Gansu 730000, China; Key Laboratory of Orthopaedics Disease of Gansu Province, Lanzhou, Gansu 730000, China
| | - Xing Yang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu 730000, China; Department of Orthopaedics, Second Hospital of Lanzhou University, Lanzhou, Gansu 730000, China; Key Laboratory of Orthopaedics Disease of Gansu Province, Lanzhou, Gansu 730000, China
| | - Guang-Zhi Zhang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu 730000, China; Department of Orthopaedics, Second Hospital of Lanzhou University, Lanzhou, Gansu 730000, China; Key Laboratory of Orthopaedics Disease of Gansu Province, Lanzhou, Gansu 730000, China
| | - Hai-Hong Zhang
- The Second Clinical Medical College, Lanzhou University, Lanzhou, Gansu 730000, China; Department of Orthopaedics, Second Hospital of Lanzhou University, Lanzhou, Gansu 730000, China; Key Laboratory of Orthopaedics Disease of Gansu Province, Lanzhou, Gansu 730000, China.
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6
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Identification and Characterization of Serum microRNAs as Biomarkers for Human Disc Degeneration: An RNA Sequencing Analysis. Diagnostics (Basel) 2020; 10:diagnostics10121063. [PMID: 33302347 PMCID: PMC7762572 DOI: 10.3390/diagnostics10121063] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/03/2022] Open
Abstract
Circulating microRNAs (miRNAs) have been associated with various degenerative diseases, including intervertebral disc (IVD) degeneration. Lumbar disc herniation (LDH) often occurs in young patients, although the underlying mechanisms are poorly understood. The aim of this work was to generate RNA deep sequencing data of peripheral blood samples from patients suffering from LDH, identify circulating miRNAs, and analyze them using bioinformatics applications. Serum was collected from 10 patients with LDH (Disc Degeneration Group); 10 patients without LDH served as the Control Group. RNA sequencing analysis identified 73 differential circulating miRNAs (p < 0.05) between the Disc Degeneration Group and Control Group. Gene ontology enrichment analysis (p < 0.05) showed that these differentially expressed miRNAs were associated with extracellular matrix, damage reactions, inflammatory reactions, and regulation of apoptosis. Kyoto Encyclopedia of Genes and Genomes analysis showed that the differentially expressed genes were involved in diverse signaling pathways. The profile of miR-766-3p, miR-6749-3p, and miR-4632-5p serum miRNAs was significantly enriched (p < 0.05) in multiple pathways associated with IVD degeneration. miR-766-3p, miR-6749-3p, and miR-4632-5p signature from serum may serve as a noninvasive diagnostic biomarker for LHD manifestation of IVD degeneration. Furthermore, several dysregulated miRNAs may be involved in the pathogenesis of IVD degeneration. Further study is needed to confirm the functional role of the identified miRNAs.
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7
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Guo HY, Guo MK, Wan ZY, Song F, Wang HQ. Emerging evidence on noncoding-RNA regulatory machinery in intervertebral disc degeneration: a narrative review. Arthritis Res Ther 2020; 22:270. [PMID: 33198793 PMCID: PMC7667735 DOI: 10.1186/s13075-020-02353-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Accepted: 10/12/2020] [Indexed: 12/12/2022] Open
Abstract
Intervertebral disc degeneration (IDD) is the most common cause of low-back pain. Accumulating evidence indicates that the expression profiling of noncoding RNAs (ncRNAs), including microRNAs (miRNAs), circular RNAs (circRNAs), and long noncoding RNAs (lncRNAs), are different between intervertebral disc tissues obtained from healthy individuals and patients with IDD. However, the roles of ncRNAs in IDD are still unclear until now. In this review, we summarize the studies concerning ncRNA interactions and regulatory functions in IDD. Apoptosis, aberrant proliferation, extracellular matrix degradation, and inflammatory abnormality are tetrad fundamental pathologic phenotypes in IDD. We demonstrated that ncRNAs are playing vital roles in apoptosis, proliferation, ECM degeneration, and inflammation process of IDD. The ncRNAs participate in underlying mechanisms of IDD in different ways. MiRNAs downregulate target genes’ expression by directly binding to the 3′-untranslated region of mRNAs. CircRNAs and lncRNAs act as sponges or competing endogenous RNAs by competitively binding to miRNAs and regulating the expression of mRNAs. The lncRNAs, circRNAs, miRNAs, and mRNAs widely crosstalk and form complex regulatory networks in the degenerative processes. The current review presents novel insights into the pathogenesis of IDD and potentially sheds light on the therapeutics in the future.
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Affiliation(s)
- Hao-Yu Guo
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, People's Republic of China
| | - Ming-Ke Guo
- Department of Orthopaedic Surgery, The Affiliated Hospital of PLA Army Medical University Warrant Officer School, Shijiazhuang, 050000, People's Republic of China
| | - Zhong-Yuan Wan
- Department of Orthopedics, The Seventh Medical Center of Chinese PLA General Hospital, Beijing, 100700, People's Republic of China
| | - Fang Song
- Department of Stomatology, PLA Rocket Force Characteristic Medical Center, Beijing, 100088, People's Republic of China
| | - Hai-Qiang Wang
- Institute of Integrative Medicine, Shaanxi University of Chinese Medicine, Xixian Avenue, Xixian District, Shaanxi Province, 712046, People's Republic of China.
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8
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Vo N, Couch B, Lee J, Sowa G, Kang J, Rebecca S. Actions of Prostaglandins on Human Nucleus Pulposus Metabolism Inferred by Cyclooxygenase 2 Inhibition of Cytokine Activated Cells. Neurospine 2020; 17:60-68. [PMID: 32252155 PMCID: PMC7136088 DOI: 10.14245/ns.2040050.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Accepted: 02/28/2020] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE Low back pain is frequently treated with nonsteroidal anti-inflammatory drugs (NSAIDs), but little is known about intervertebral disc metabolism of the prostaglandins that are diminished by these drugs. Hence, this study aimed at delineating prostaglandin actions in cytokine activated disc cells by comparing the response of nucleus pulposus (NP) cells to the pro-inflammatory cytokine interleukin (IL)-1β with and without cyclooxygenase 2 (COX-2) inhibition. METHODS NP cells cultured in alginate beads were activated with IL-1β ± the COX-2 inhibitor Sc-58125. Media harvested from cultured cells were analyzed for prostaglandin E2 (PGE2), prostaglandin F2 alpha (PGF2α), IL-6, and matrix metalloproteinase (MMP)-3 by enzymelinked immunosorbent assay and nitric oxide by Griess Reaction. Gene expression along with proteoglycan, collagen, and total protein synthesis were also measured. RESULTS IL-1β increased culture media PGE2 and PGF2α, but decreased proteoglycan and collagen syntheses as well as mRNA expression of the matrix genes aggrecan, versican, collagen I, and collagen II. COX-2 inhibition partially rescued proteoglycan and collagen syntheses and collagen I mRNA, but decreased collagen II mRNA IL-1β activated NP cells. COX-2 inhibition initially enhanced and subsequently reduced IL-1β induced inducible nitric oxide synthase, without altering medium nitrite. IL-1β induction of MMP-3 mRNA was increased by COX-2 inhibition at 24 and 48 hours. CONCLUSION COX-2 inhibition alters the response of NP cells to IL-1β, suggesting IL-1β action on disc cells is mediated at least in part through COX-2 and its prostaglandins. COX-2 inhibition produces minimal effects on several key catabolic mediators, with the exception of MMP-3. Blocking COX-2 might be beneficial for maintaining disc matrix since it provides an overall rescue of IL-1 induced loss of matrix protein synthesis.
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Affiliation(s)
- Nam Vo
- Ferguson Laboratory for Orthopedic and Spine Research, Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Brandon Couch
- Ferguson Laboratory for Orthopedic and Spine Research, Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Joon Lee
- Ferguson Laboratory for Orthopedic and Spine Research, Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Gwendolyn Sowa
- Ferguson Laboratory for Orthopedic and Spine Research, Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Physical Medicine and Rehabilitation, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - James Kang
- Ferguson Laboratory for Orthopedic and Spine Research, Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Orthopedics, Brigham and Women's Hospital, Harvard University School of Medicine, Boston, MA, USA
| | - Studer Rebecca
- Ferguson Laboratory for Orthopedic and Spine Research, Department of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, PA, USA.,VA Pittsburgh Healthcare System, Pittsburgh, PA, USA
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9
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Zhou X, Zhang F, Wang D, Wang J, Wang C, Xia K, Ying L, Huang X, Tao Y, Chen S, Xue D, Hua J, Liang C, Chen Q, Li F. Micro Fragmented Adipose Tissue Promotes the Matrix Synthesis Function of Nucleus Pulposus Cells and Regenerates Degenerated Intervertebral Disc in a Pig Model. Cell Transplant 2020; 29:963689720905798. [PMID: 32030997 PMCID: PMC7444234 DOI: 10.1177/0963689720905798] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Intervertebral disc (IVD) degeneration and consequent lower back pain is a common
disease. Micro fragmented adipose tissue (MFAT) is promising for a wide range of
applications in regenerative medicine. In this study, MFAT was isolated by a
nonenzymatic method and co-cultured with nucleus pulposus cells (NPCs) using an
indirect co-culture system in vitro. A pig disc degeneration
model was used to investigate the regenerative effect of MFAT on degenerated
IVDs in vivo. The mRNA expression of Sox9,
Acan, and Col2 in NPCs was significantly
increased, while no significant increase was observed in the mRNA expression of
proinflammatory cytokine genes after the NPCs were co-cultured with MFAT.
Nucleus pulposus (NP)-specific markers were increased in MFAT cells after
co-culture with NPCs. After injection of MFAT, the disc height, water content,
extracellular matrix, and structure of the degenerated NP were significantly
improved. MFAT promoted the matrix synthesis function of NPCs, and NPCs
stimulated the NP-like differentiation of MFAT cells. In addition, MFAT also
partly regenerated degenerated IVDs in the pig model.
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Affiliation(s)
- Xiaopeng Zhou
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,These authors contributed equally to this article
| | - Feng Zhang
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,These authors contributed equally to this article
| | - Dawei Wang
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,These authors contributed equally to this article
| | - Jingkai Wang
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.,These authors contributed equally to this article
| | - Chenggui Wang
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Kaishun Xia
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Liwei Ying
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Xianpeng Huang
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Yiqing Tao
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Shouyong Chen
- Department of Orthopedics Surgery, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, Zhejiang, People's Republic of China
| | - Deting Xue
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Jianming Hua
- Department of Radiology, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China
| | - Chengzhen Liang
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Qixin Chen
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Fangcai Li
- Department of Orthopedics Surgery, the Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, People's Republic of China.,Department of Orthopedics Research Institute of Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
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10
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Borem R, Madeline A, Bowman M, Gill S, Tokish J, Mercuri J. Differential Effector Response of Amnion- and Adipose-Derived Mesenchymal Stem Cells to Inflammation; Implications for Intradiscal Therapy. J Orthop Res 2019; 37:2445-2456. [PMID: 31287173 DOI: 10.1002/jor.24412] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 06/25/2019] [Indexed: 02/04/2023]
Abstract
Intervertebral disc degeneration (IVDD) is a progressive condition marked by tissue destruction and inflammation. The therapeutic effector functions of mesenchymal stem cells (MSCs) makes them an attractive therapy for patients with IVDD. While several sources of MSCs exist, the optimal choice for use in the inflamed IVD remains a significant question. Adipose (AD)- and amnion (AM)-derived MSCs have several advantages compared with other sources, however, no study has directly compared the impact of IVDD inflammation on their effector functions. Human MSCs were cultured in media with or without supplementation of interleukin-1β (IL-1β) and tumor necrosis factor-α at concentrations reportedly produced by IVDD cells. MSC proliferation and production of pro- and anti-inflammatory cytokines were quantified following 24 and 48 h of culture. Additionally, the osteogenic and chondrogenic potential of AD- and AM-MSCs was characterized via histology and biochemical analysis following 28 days of culture. In inflammatory culture, AM-MSCs produced significantly more anti-inflammatory IL-10 (14.47 ± 2.39 pg/ml; p = 0.004) and larger chondrogenic pellets (5.67 ± 0.26 mm2 ; p = 0.04) with greater percent area staining positively for glycosaminoglycan (82.03 ± 3.26%; p < 0.001) compared with AD-MSCs (0.00 ± 0.00 pg/ml; 2.76 ± 0.18 mm2 ; 34.75 ± 2.49%; respectively). Conversely, AD-MSCs proliferated more resulting in higher cell numbers (221,000 ± 8,021 cells; p = 0.048) and produced higher concentrations of pro-inflammatory cytokines prostaglandin E2 (1,118.30 ± 115.56 pg/ml; p = 0.030) and IL-1β (185.40 ± 7.63 pg/ml; p = 0.010) compared with AM-MSCs (109,667 ± 5,696 cells; 1,291.40 ± 78.47 pg/ml; 144.10 ± 4.57 pg/ml; respectively). AD-MSCs produced more mineralized extracellular matrix (3.34 ± 0.05 relative absorbance units [RAU]; p < 0.001) compared with AM-MSCs (1.08 ± 0.06 RAU). Under identical inflammatory conditions, a different effector response was observed with AM-MSCs producing more anti-inflammatories and demonstrating enhanced chondrogenesis compared with AD-MSCs, which produced more pro-inflammatory cytokines and demonstrated enhanced osteogenesis. These findings may begin to help inform researchers which MSC source may be optimal for IVD regeneration. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 37:2445-2456, 2019.
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Affiliation(s)
- Ryan Borem
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634
| | - Allison Madeline
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634
| | - Mackenzie Bowman
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634
| | - Sanjitpal Gill
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634.,Department of Orthopaedic Surgery, Medical Group of the Carolinas-Pelham, Spartanburg Regional Healthcare System, Greer, South Carolina, 29651
| | - John Tokish
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634.,Department of Orthopaedic Surgery, Mayo Clinic, Phoenix, Arizona, 85054
| | - Jeremy Mercuri
- Department of Bioengineering, Laboratory of Orthopaedic Tissue Regeneration & Orthobiologics, Clemson University, Clemson, South Carolina, 29634
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11
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Pizzute T, He F, Zhang XB, Pei M. Impact of Wnt signals on human intervertebral disc cell regeneration. J Orthop Res 2018; 36:3196-3207. [PMID: 30035326 PMCID: PMC7261601 DOI: 10.1002/jor.24115] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 07/16/2018] [Indexed: 02/04/2023]
Abstract
Although preconditioning strategies are growing areas of interest for therapies targeting intervertebral discs (IVDs), it is unknown whether the Wnt signals previously implicated in chondrogenesis, Wnt3A, Wnt5A, and Wnt11, play key roles in the promotion of human nucleus pulposus (NP) cell redifferentiation. In this study, NP cells isolated from herniated disc patients were transduced with lentiviral vectors to overexpress the WNT3A, WNT5A, or WNT11 genes, or CRISPR associated protein 9 (Cas9)/single-guide RNA (sgRNA) vectors to knock out these genes. Following expansion, transduced NP cells were induced for redifferentiation toward the NP phenotype. The overexpression of specific WNT factors led to increases in both glycosaminoglycan (GAG) deposition and expression of redifferentiation genes. These effects were attenuated by knockout of the same WNT genes. These results indicate that specific WNT signals can regulate the expression of redifferentiation genes, unequally impact GAG deposition, and contribute to the redifferentiation of human NP cells. © 2018 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:3196-3207, 2018.
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Affiliation(s)
- Tyler Pizzute
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA;,Exercise Physiology, West Virginia University, Morgantown, WV, USA
| | - Fan He
- Orthopaedic Institute, Medical College, Soochow University, Suzhou, China
| | - Xiao-Bing Zhang
- State Key Laboratory of Experimental Hematology, Tianjin, China;,Department of Medicine, Loma Linda University, Loma Linda, CA, USA;,Co-Corresponding Author: Xiao-Bing Zhang PhD, Division of Regenerative Medicine MC 1528B, Department of Medicine, Loma Linda University, 11234 Anderson Street, Loma Linda, CA 92350, USA,
| | - Ming Pei
- Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, Morgantown, WV, USA;,Exercise Physiology, West Virginia University, Morgantown, WV, USA;,WVU Cancer Institute, Robert C. Byrd Health Sciences Center, West Virginia University, Morgantown, WV, USA,Corresponding author: Ming Pei MD, PhD, Stem Cell and Tissue Engineering Laboratory, Department of Orthopaedics, West Virginia University, PO Box 9196, One Medical Center Drive, Morgantown, WV 26506-9196, USA, Telephone: 304-293-1072; Fax: 304-293-7070;
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12
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Maerz T, Newton M, Marek AA, Planalp M, Baker K. Dynamic adaptation of vertebral endplate and trabecular bone following annular injury in a rat model of degenerative disc disease. Spine J 2018; 18:2091-2101. [PMID: 29886163 DOI: 10.1016/j.spinee.2018.05.045] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 05/26/2018] [Accepted: 05/31/2018] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Degenerative disc disease (DDD) is associated with longitudinal remodeling of paravertebral tissues. Although chronic vertebral changes in advanced stages of DDD are well-studied, very little data exists on acute vertebral bone remodeling at the onset and progression of DDD. PURPOSE To longitudinally characterize bony remodeling in a rodent model of disc injury-induced DDD. STUDY DESIGN In vivo animal study involving a rat annulus fibrosus injury model of DDD. METHODS Eight female Lewis rats were assigned to intervertebral disc (IVD) injury (Puncture) or sham surgery (Sham). All rats underwent anterior, transperitoneal approach to the lumbar spine, and Puncture rats underwent annulus fibrosus injury at the L3-L4 and L5-L6 IVDs (n = 8 per group). Live micro computed tomography imaging (10-μm voxel size) was performed 1 week before surgery and postoperatively at 2-week intervals up to a 12-week endpoint. Bone morphology and densitometry of the cranial vertebral body and bony endplate were analyzed and reported with respect to the preoperative baseline scan. Sagittal Safranin-O/Fast-Green and Toluidine Blue histology evaluated using the Rutges IVD score and a custom vertebral endplate score. RESULTS Vertebral trabecular tissue mineral density (TMD), vertebral trabecular spacing, endplate TMD, and endplate apparent bone mineral density were all significantly greater in Puncture compared with Sham at 4 weeks and each subsequent timepoint. Puncture rats exhibited marginally lower endplate total volume. Anterior endplate osteophyte formation and central physeal ossification were observed in Puncture rats. Endpoint histological analysis demonstrated moderate evidence of IVD degeneration, indicating that vertebral bone adaptation occurs in the acute phases of DDD onset and progression. CONCLUSIONS Annulus injury-induced DDD leads to acute and progressive changes to the morphology and densitometry of bone in the adjacent vertebral bodies and endplates.
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Affiliation(s)
- Tristan Maerz
- Department of Orthopaedic Surgery & MedSport, University of Michigan, 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48106, USA; Department of Orthopaedic Surgery, William Beaumont Hospital, 3811 West 13 Mile Rd, Suite 404, Royal Oak, MI 48073, USA; Department of Orthopaedic Surgery, Oakland University - William Beaumont School of Medicine, 586 Pioneer Dr, Rochester, MI 48309, USA
| | - Michael Newton
- Department of Orthopaedic Surgery, William Beaumont Hospital, 3811 West 13 Mile Rd, Suite 404, Royal Oak, MI 48073, USA
| | - Abigail A Marek
- Department of Orthopaedic Surgery, William Beaumont Hospital, 3811 West 13 Mile Rd, Suite 404, Royal Oak, MI 48073, USA
| | - Michael Planalp
- Department of Orthopaedic Surgery, William Beaumont Hospital, 3811 West 13 Mile Rd, Suite 404, Royal Oak, MI 48073, USA; Department of Orthopaedic Surgery, Oakland University - William Beaumont School of Medicine, 586 Pioneer Dr, Rochester, MI 48309, USA
| | - Kevin Baker
- Department of Orthopaedic Surgery, William Beaumont Hospital, 3811 West 13 Mile Rd, Suite 404, Royal Oak, MI 48073, USA; Department of Orthopaedic Surgery, Oakland University - William Beaumont School of Medicine, 586 Pioneer Dr, Rochester, MI 48309, USA.
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13
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Suyama K, Sakai D, Hirayama N, Nakamura Y, Matsushita E, Terayama H, Qu N, Tanaka O, Sakabe K, Watanabe M. Effects of interleukin-17A in nucleus pulposus cells and its small-molecule inhibitors for intervertebral disc disease. J Cell Mol Med 2018; 22:5539-5551. [PMID: 30207057 PMCID: PMC6201370 DOI: 10.1111/jcmm.13828] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 07/07/2018] [Indexed: 01/05/2023] Open
Abstract
Intervertebral discs (IVD) degeneration, which is caused by ageing or mechanical stress, leads to IVD disease, including back pain and sciatica. The cytokine interleukin (IL)-17A is elevated in NP cells during IVD disease. Here we explored the pharmacotherapeutic potential of IL-17A for the treatment of IVD disease using small-molecule inhibitors that block binding of IL-17A to the IL-17A receptor (IL-17RA). Treatment of NP cells with IL-17A increased expression of cyclooxygenase-2 (COX-2), IL-6, matrix metalloproteinase (MMP)-3 and MMP-13. These increases were suppressed by an IL-17A-neutralizing antibody, and small molecules that were identified as inhibitors by binding to the IL-17A-binding region of IL-17RA. IL-17A signalling also altered sulphated glycosaminoglycan deposition and spheroid colony formation, while treatment with small-molecule inhibitors of IL-17A attenuated this response. Furthermore, mitogen-activated protein kinase pathways were activated by IL-17A stimulation and induced IL-6 and COX-2 expression, while small-molecule inhibitors of IL-17A suppressed their expression. Taken together, these results show that IL-17A is a valid target for IVD disease therapy and that small-molecule inhibitors that inhibit the IL-17A-IL-17RA interaction may be useful for pharmacotherapy of IVD disease.
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Affiliation(s)
- Kaori Suyama
- Department of Anatomy and Cellular biology, Basic Medical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Daisuke Sakai
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Noriaki Hirayama
- Institute of Advanced Biosciences, Tokai University, Kanagawa, Japan
| | - Yoshihiko Nakamura
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Erika Matsushita
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Hayato Terayama
- Department of Anatomy and Cellular biology, Basic Medical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Ning Qu
- Department of Anatomy and Cellular biology, Basic Medical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Osamu Tanaka
- Department of Anatomy and Cellular biology, Basic Medical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Kou Sakabe
- Department of Anatomy and Cellular biology, Basic Medical Science, Tokai University School of Medicine, Kanagawa, Japan
| | - Masahiko Watanabe
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, Kanagawa, Japan
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14
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Wang X, Wang B, Zou M, Li J, Lü G, Zhang Q, Liu F, Lu C. CircSEMA4B targets miR-431 modulating IL-1β-induced degradative changes in nucleus pulposus cells in intervertebral disc degeneration via Wnt pathway. Biochim Biophys Acta Mol Basis Dis 2018; 1864:3754-3768. [PMID: 30251693 DOI: 10.1016/j.bbadis.2018.08.033] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 08/09/2018] [Accepted: 08/27/2018] [Indexed: 12/11/2022]
Abstract
Intervertebral disc (IVD) degeneration (IDD), characterized by elevated levels of proinflammatory mediators, increased Aggrecan and collagen degradation, and increased degradation of extracellular matrix (ECM), has been widely regarded as a significant contributor to low back pain. Genetics are significant factors contribute to IDD. Based on previous data, circular RNA SEMA4B (circSEMA4B) is down-regulated in IDD specimens; herein, we demonstrated circSEMA4B overexpression could attenuate the effect of IL-1β on nucleus pulposus cell (NPC) proliferation, senescence, and ECM and Aggrecan degradation in IDD via Wnt signaling. Moreover, miR-431, a direct target of circSEMA4B, could bind to the 3'UTR of SFRP1 or GSK-3β, two inhibitory regulators of Wnt signaling, to inhibit their expression thus playing a role similar to the activator of Wnt signaling in NPCs. The effect of circSEMA4B knockdown on NPCs was partially reversed by miR-431 inhibition; circSEMA4B serves as a miR-431 sponge to compete with SFRP1 or GSK-3β for miR-431 binding, thus inhibiting IL-1β-induced degenerative process in NPCs through Wnt signaling. Rescuing circSEMA4B expression in NPCs in IDD might present a potential strategy for IDD improvement.
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Affiliation(s)
- Xiaobin Wang
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China
| | - Bing Wang
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China
| | - Mingxiang Zou
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China
| | - Jing Li
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China.
| | - Guohua Lü
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China.
| | - Qianshi Zhang
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China
| | - Fubin Liu
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China
| | - Chang Lu
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, PR China
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15
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Jiang Z, Zhao C, Gong X, Sun X, Li H, Zhao Y, Zhou X. Quantification and efficient discovery of quality control markers for Emilia prenanthoidea DC. by Fingerprint-Efficacy Relationship Modelling. J Pharm Biomed Anal 2018; 156:36-44. [DOI: 10.1016/j.jpba.2018.04.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 04/12/2018] [Accepted: 04/13/2018] [Indexed: 01/26/2023]
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16
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Rai-Bhogal R, Wong C, Kissoondoyal A, Davidson J, Li H, Crawford DA. Maternal exposure to prostaglandin E 2 modifies expression of Wnt genes in mouse brain - An autism connection. Biochem Biophys Rep 2018; 14:43-53. [PMID: 29872733 PMCID: PMC5986660 DOI: 10.1016/j.bbrep.2018.03.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 03/28/2018] [Accepted: 03/31/2018] [Indexed: 11/03/2022] Open
Abstract
Prostaglandin E2 (PGE2) is a lipid signaling molecule important for brain development and function. Various genetic and environmental factors can influence the level of PGE2 and increase the risk of developing Autism Spectrum Disorder (ASD). We have previously shown that in neuronal cell lines and mouse brain, PGE2 can interfere with the Wnt canonical pathway, which is essential during early brain development. Higher levels of PGE2 increased Wnt-dependent motility and proliferation of neuroectodermal stem cells, and modified the expression of Wnt genes previously linked to autism disorders. We also recently established a cross-talk between these two pathways in the prenatal mouse brain lacking PGE2 producing enzyme (COX-/-). The current study complements the published data and reveals that PGE2 signaling also converges with the Wnt canonical pathway in the developing mouse brain after maternal exposure to PGE2 at the onset of neurogenesis. We found significant changes in the expression level of Wnt-target genes, Mmp7, Wnt2, and Wnt3a, during prenatal and early postnatal stages. Interestingly, we observed variability in the expression level of these genes between genetically-identical pups within the same pregnancy. Furthermore, we found that all the affected genes have been previously associated with disorders of the central nervous system, including autism. We determined that prenatal exposure to PGE2 affects the Wnt pathway at the level of β-catenin, the major downstream regulator of Wnt-dependent gene transcription. We discuss how these results add new knowledge into the molecular mechanisms by which PGE2 may interfere with neuronal development during critical periods.
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Affiliation(s)
- Ravneet Rai-Bhogal
- Neuroscience Graduate Diploma Program, York University, Toronto, ON, Canada M3J 1P3.,Department of Biology, York University, Toronto, ON, Canada M3J 1P3
| | - Christine Wong
- Neuroscience Graduate Diploma Program, York University, Toronto, ON, Canada M3J 1P3.,School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, Canada M3J 1P3
| | - Ashby Kissoondoyal
- Neuroscience Graduate Diploma Program, York University, Toronto, ON, Canada M3J 1P3.,School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, Canada M3J 1P3
| | - Jennilee Davidson
- Neuroscience Graduate Diploma Program, York University, Toronto, ON, Canada M3J 1P3.,Department of Biology, York University, Toronto, ON, Canada M3J 1P3
| | - Hongyan Li
- School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, Canada M3J 1P3
| | - Dorota A Crawford
- Neuroscience Graduate Diploma Program, York University, Toronto, ON, Canada M3J 1P3.,Department of Biology, York University, Toronto, ON, Canada M3J 1P3.,School of Kinesiology and Health Science, York University, 4700 Keele Street, Toronto, ON, Canada M3J 1P3
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17
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Wang X, Zou M, Li J, Wang B, Zhang Q, Liu F, Lü G. LncRNA H19 targets miR-22 to modulate H 2 O 2 -induced deregulation in nucleus pulposus cell senescence, proliferation, and ECM synthesis through Wnt signaling. J Cell Biochem 2018. [PMID: 29520849 DOI: 10.1002/jcb.26738] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Intervertebral disc (IVD) degeneration (IDD) is a major contributor to low back pain. During IDD progression, ROS can be produced in the form of H2 O2 in nucleus pulposus cells (NPCs) in response to elevated cytokines, leading to subsequent alternations of cell fate and metabolic processes. Genetic factors are considered as main contributors to IDD pathopoiesis. Herein, we investigated the detailed function and mechanism of H19, one of the most up-regulated lncRNAs in IDD specimens, in H2 O2 -induced cell senescence model in NPCs. H19 could accelerate H2 O2 -induced degenerative changes by promoting cell senescence, increasing ADAMTS-5 and MMPs protein levels and Collagen I content, as well as suppressing NPC proliferation through activating Wnt/β-catenin signaling. Moreover, miR-22, a direct target of H19, could bind to the 3'UTR of LEF1 to inhibit its expression and reverse the effect of H19 on NPCs, thus inhibiting Wnt/β-catenin signaling. Taken together, H19 acts as a ceRNA to compete with LEF1 for miR-22, thus modulating downstream Wnt/β-catenin signaling in NPCs; H19/miR-22/LEF1 might be a novel target for improving H2 O2 -induced NPC senescence and treatment for IDD.
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Affiliation(s)
- Xiaobin Wang
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Mingxiang Zou
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jing Li
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Bing Wang
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qianshi Zhang
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Fubin Liu
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Guohua Lü
- Department of Spine Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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18
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Livshits G, Kalinkovich A. Hierarchical, imbalanced pro-inflammatory cytokine networks govern the pathogenesis of chronic arthropathies. Osteoarthritis Cartilage 2018; 26:7-17. [PMID: 29074297 DOI: 10.1016/j.joca.2017.10.013] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 09/15/2017] [Accepted: 10/10/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Chronic inflammatory arthropathies, such as rheumatoid arthritis (RA), spondyloarthritis, including psoriatic arthritis (PsA), ankylosing spondyloarthritis (AS), osteoarthritis (OA), and intervertebral disc degenerative disease (DDD) constitute major public health problems that are anticipated to grow significantly as the human population ages. However, many aspects concerning the molecular mechanisms underlying their onset and progression remain unclear. DESIGN This narrative review critically analyzes the molecular mechanisms underlying the inflammation-associated pathogenesis of the aforementioned joint diseases. This includes, in particular, the major role played by several key soluble factors (such as cytokines and the associated signaling pathways, designated as "fragile nodes") produced by local cells and recruited to the joints' immune cells, whose elimination by specific drugs has dramatically improved the diseases' symptomatology and outcome in human clinical trials or in rodent arthritis models. HYPOTHESIS AND THE AIM OF THIS REVIEW We hypothesize that the pathogenesis of chronic inflammatory arthropathies is governed by hierarchical, imbalanced pro-inflammatory cytokine networks (HIPICNs) (comprising a combination of fragile nodes) that are created during the development of both autoimmune (RA, PsA, and AS) and non-autoimmune (OA and DDD) disorders. The main aim of this review is to provide evidence that despite substantial pathobiological differences between these arthropathies, the HIPICNs created are quite common, thus justifying the merging of these disorders mechanistically and suggesting that these common mechanisms exist in the onset and progression of different joint diseases.
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Affiliation(s)
- G Livshits
- Human Population Biology Research Unit, Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Ramat Aviv, Tel Aviv 69978, Israel.
| | - A Kalinkovich
- Human Population Biology Research Unit, Department of Anatomy and Anthropology, Sackler Faculty of Medicine, Tel-Aviv University, Ramat Aviv, Tel Aviv 69978, Israel
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19
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Rai-Bhogal R, Ahmad E, Li H, Crawford DA. Microarray analysis of gene expression in the cyclooxygenase knockout mice - a connection to autism spectrum disorder. Eur J Neurosci 2017; 47:750-766. [PMID: 29161772 DOI: 10.1111/ejn.13781] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 11/11/2017] [Accepted: 11/14/2017] [Indexed: 02/07/2023]
Abstract
The cellular and molecular events that take place during brain development play an important role in governing function of the mature brain. Lipid-signalling molecules such as prostaglandin E2 (PGE2 ) play an important role in healthy brain development. Abnormalities along the COX-PGE2 signalling pathway due to genetic or environmental causes have been linked to autism spectrum disorder (ASD). This study aims to evaluate the effect of altered COX-PGE2 signalling on development and function of the prenatal brain using male mice lacking cyclooxygenase-1 and cyclooxygenase-2 (COX-1-/- and COX-2-/- ) as potential model systems of ASD. Microarray analysis was used to determine global changes in gene expression during embryonic days 16 (E16) and 19 (E19). Gene Ontology: Biological Process (GO:BP) and Kyoto Encyclopedia of Genes and Genomes (KEGG) were implemented to identify affected developmental genes and cellular processes. We found that in both knockouts the brain at E16 had nearly twice as many differentially expressed genes, and affected biological pathways containing various ASD-associated genes important in neuronal function. Interestingly, using GeneMANIA and Cytoscape we also show that the ASD-risk genes identified in both COX-1-/- and COX-2-/- models belong to protein-interaction networks important for brain development despite of different cellular localization of these enzymes. Lastly, we identified eight genes that belong to the Wnt signalling pathways exclusively in the COX-2-/- mice at E16. The level of PKA-phosphorylated β-catenin (S552), a major activator of the Wnt pathway, was increased in this model, suggesting crosstalk between the COX-2-PGE2 and Wnt pathways during early brain development. Overall, these results provide further molecular insight into the contribution of the COX-PGE2 pathways to ASD and demonstrate that COX-1-/- and COX-2-/- animals might be suitable new model systems for studying the disorders.
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Affiliation(s)
- Ravneet Rai-Bhogal
- Neuroscience Graduate Diploma Program, York University, Toronto, ON, M3J 1P3, Canada.,Department of Biology, York University, Toronto, ON, Canada
| | - Eizaaz Ahmad
- Neuroscience Graduate Diploma Program, York University, Toronto, ON, M3J 1P3, Canada.,Department of Biology, York University, Toronto, ON, Canada
| | - Hongyan Li
- School of Kinesiology and Health Science, York University, Toronto, ON, Canada
| | - Dorota A Crawford
- Neuroscience Graduate Diploma Program, York University, Toronto, ON, M3J 1P3, Canada.,Department of Biology, York University, Toronto, ON, Canada.,School of Kinesiology and Health Science, York University, Toronto, ON, Canada
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20
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Fang T, Hou J, He M, Wang L, Zheng M, Wang X, Xia J. Actinidia chinensis Planch root extract (acRoots) inhibits hepatocellular carcinoma progression by inhibiting EP3 expression. Cell Biol Toxicol 2016; 32:499-511. [DOI: 10.1007/s10565-016-9351-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 07/04/2016] [Indexed: 12/20/2022]
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21
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Hiyama A, Hiraishi S, Sakai D, Mochida J. CCAAT/enhancer binding protein β regulates the expression of tumor necrosis factor-α in the nucleus pulposus cells. J Orthop Res 2016; 34:865-75. [PMID: 26505752 DOI: 10.1002/jor.23085] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Accepted: 10/20/2015] [Indexed: 02/04/2023]
Abstract
Tumor necrosis factor alpha (TNF-α) is important in the process of intervertebral disc (IVD) degeneration because of its ability to regulate other inflammatory mediators in autocrine and paracrine fashions. The mechanism responsible for the cell type-specific regulation of TNF-α is not well known. CCAAT/enhancer binding protein β (C/EBP β) is one of the transcriptional factors that is implicated in TNF-α expression. However, it is not known whether cross talk occurs between C/EBP β and the TNF-α pathway in IVD cells. The expression and effect of the C/EBP β mRNA and protein in rat IVD cells was assessed using real-time reverse transcription polymerase chain reaction, immunohistochemical, and immunofluorescence analyses. We present data that show that the C/EBP β mRNA and protein were expressed in rat and human IVDs in vivo. We also found that the expression of TNF-α is regulated by the transcription factor C/EBP β in rat NP cells. The TNF-α promoter was suppressed completely in the presence of the ERK inhibitor PD98059 and the p38 mitogen-activated protein kinase (MAPK) inhibitor SB202190, but not in the presence of the JNK inhibitor SP600125. In addition, gain and loss of function analyses showed that the expression of TNF-α was regulated by C/EBP β through the MAPK pathways. These findings showed that C/EBP β acts as a potent pro-inflammatory mediator by inducing the TNF-α gene at the transcription and protein levels via the ERK1/2 and p38 pathways in rat NP cells. Our findings may open a new avenue toward the understanding of the cellular and molecular mechanisms of IVD cells. © 2015 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 34:865-875, 2016.
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Affiliation(s)
- Akihiko Hiyama
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan.,Research Center for Regenerative Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Shunsuke Hiraishi
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan.,Research Center for Regenerative Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Daisuke Sakai
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan.,Research Center for Regenerative Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
| | - Joji Mochida
- Department of Orthopaedic Surgery, Surgical Science, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan.,Research Center for Regenerative Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Kanagawa, Japan
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Wang C, Wang WJ, Yan YG, Xiang YX, Zhang J, Tang ZH, Jiang ZS. MicroRNAs: New players in intervertebral disc degeneration. Clin Chim Acta 2015; 450:333-41. [DOI: 10.1016/j.cca.2015.09.011] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 08/29/2015] [Accepted: 09/10/2015] [Indexed: 12/20/2022]
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