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Takase R, Ichinose T, Hashimoto S, Amano I, Ohsawa T, Koibuchi N, Chikuda H. Protective Effects of Extracorporeal Shockwave Therapy on the Degenerated Meniscus in a Rat Model. Am J Sports Med 2024; 52:374-382. [PMID: 38174366 DOI: 10.1177/03635465231214697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
BACKGROUND Loss of meniscal function in association with degenerative changes affects the development and progression of knee osteoarthritis, for which there is currently no effective treatment. Extracorporeal shockwave therapy (ESWT) is an established treatment for musculoskeletal disorders. However, the therapeutic effect of ESWT on meniscal degeneration remains unclear. PURPOSE To evaluate the therapeutic effect of ESWT on the degenerated meniscus in an anterior cruciate ligament transection (ACLT) model. STUDY DESIGN Controlled laboratory study. METHODS Twelve-week-old male Wistar rats were randomly assigned to 3 groups (normal, ESWT-, and ESWT+). Unilateral ACLT of the right knee was performed in the latter 2 groups. At 4 weeks after ACLT, the ESWT+ group received 800 shockwave impulses at an energy flux density of 0.22 mJ/mm2 in a single session. Histological changes were examined in the posterior portion of the medial meniscus after ESWT (n = 15 per group). Real-time polymerase chain reaction (PCR) was performed after ESWT (n = 5 per group) to analyze the expression of connective tissue growth factor/CCN family member 2 (CTGF/CCN2), sex determining region Y-box 9, vascular endothelial growth factor α, aggrecan, collagen type 1 alpha 2, and collagen type 2 alpha 1 (Col2α1). Immunohistochemistry was used to analyze the expression of CTGF/CCN2 and Ki-67 (n = 5 per group) after ESWT. RESULTS The meniscal histopathological score at 4 weeks after ACLT was significantly higher than that in the normal group, and the score in the ESWT+ group was significantly lower than that in the ESWT- group at 4 and 12 weeks after ESWT. Real-time PCR revealed that the mRNA expression of CTGF/CCN2 and Col2α1 decreased 4 weeks after ACLT. In the ESWT+ group, real-time PCR revealed that the mRNA expression of CTGF/CCN2 increased 24 hours after ESWT, and the expression of Col2α1 increased 4 weeks after ESWT (all significant data were P < .05). The ratio of CTGF/CCN2-positive cells and Ki67-positive cells was significantly higher in the ESWT+ group after ESWT. CONCLUSION The present study revealed that ESWT might suppress ACLT-induced meniscal degeneration by stimulating cartilage repair factors and inducing collagen type 2. CLINICAL RELEVANCE ESWT can be an effective treatment to protect the degenerated meniscus in a rat model of ACLT.
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Affiliation(s)
- Ryota Takase
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Tsuyoshi Ichinose
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Shogo Hashimoto
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Izuki Amano
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Takashi Ohsawa
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Noriyuki Koibuchi
- Department of Integrative Physiology, Gunma University Graduate School of Medicine, Maebashi, Japan
| | - Hirotaka Chikuda
- Department of Orthopaedic Surgery, Gunma University Graduate School of Medicine, Maebashi, Japan
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Zieba J, Nevarez L, Wachtell D, Martin JH, Kot A, Wong S, Cohn DH, Krakow D. Altered Sox9 and FGF signaling gene expression in Aga2 OI mice negatively affects linear growth. JCI Insight 2023; 8:e171984. [PMID: 37796615 PMCID: PMC10721276 DOI: 10.1172/jci.insight.171984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 09/13/2023] [Indexed: 10/07/2023] Open
Abstract
Osteogenesis imperfecta (OI), or brittle bone disease, is a disorder characterized by bone fragility and increased fracture incidence. All forms of OI also feature short stature, implying an effect on endochondral ossification. Using the Aga2+/- mouse, which has a mutation in type I collagen, we show an affected growth plate primarily due to a shortened proliferative zone. We used single-cell RNA-Seq analysis of tibial and femoral growth plate tissues to understand transcriptional consequences on growth plate cell types. We show that perichondrial cells, which express abundant type I procollagen, and growth plate chondrocytes, which were found to express low amounts of type I procollagen, had ER stress and dysregulation of the same unfolded protein response pathway as previously demonstrated in osteoblasts. Aga2+/- proliferating chondrocytes showed increased FGF and MAPK signaling, findings consistent with accelerated differentiation. There was also increased Sox9 expression throughout the growth plate, which is expected to accelerate early chondrocyte differentiation but reduce late hypertrophic differentiation. These data reveal that mutant type I collagen expression in OI has an impact on the cartilage growth plate. These effects on endochondral ossification indicate that OI is a biologically complex phenotype going beyond its known impacts on bone to negatively affect linear growth.
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Affiliation(s)
- Jennifer Zieba
- Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Lisette Nevarez
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, California, USA
| | - Davis Wachtell
- Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Jorge H. Martin
- Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Alexander Kot
- Department of Human Genetics, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
| | - Sereen Wong
- Department of Psychology, University of California, Los Angeles, Los Angeles, California, USA
| | - Daniel H. Cohn
- Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
- Department of Molecular Cell and Developmental Biology, University of California, Los Angeles, Los Angeles, California, USA
| | - Deborah Krakow
- Department of Orthopaedic Surgery, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
- Department of Human Genetics, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
- Department of Obstetrics and Gynecology and
- Department of Pediatrics, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, California, USA
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Yu X, Shi S, Cui Y, Shentu X, Sun Z. Clinical significance of CTGF and Cry61 protein in extraocular muscles of strabismic patients. Graefes Arch Clin Exp Ophthalmol 2023; 261:2845-2851. [PMID: 37162563 DOI: 10.1007/s00417-023-06096-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 04/22/2023] [Accepted: 04/26/2023] [Indexed: 05/11/2023] Open
Abstract
PURPOSE To investigate the relationship between clinical features and protein amounts of Cysteine-rich 61 (Cyr61/CCN1) and connective tissue growth factor (CTGF/CCN2), which are vital components and regulators of the extracellular matrix in resected muscles from strabismus surgery. METHODS Strabismus patients who were diagnosed with horizontal concomitant strabismus or inferior oblique overaction (IOOA) and required extraocular muscles (EOMs) resection to correct eye position were included in this study. The protein amounts were measured by enzyme-linked immunosorbent assay (ELISA) in resected EOMs. Multivariable linear regression was used to investigate the associations, adjusting for gender, age (continuous), amblyopia, and disease duration. RESULTS A total of 141 muscles (including 38 lateral, 81 medial rectus, and 22 inferior oblique muscles) from 128 patients were collected in this study. The amount of Cry61 and CTGF per millimeter was significantly negatively associated with deviation angle in intermittent exotropia patients (Cry61: β, - 1.44; 95%CI, - 2.79 to - 0.10, p = 0.035; CTGF: β, - 3.14; 95%CI, - 5.06 to - 1.22, p = 0.002). The same relationship was also detected in the partially accommodative and non-accommodative esotropia patients, although it was not statistically significant (Cry61: β, - 2.40; 95%CI, - 5.05 to 0.24; p = 0.073; CTGF: β, - 3.47; 95%CI, - 9.18 to 2.87; p = 0.269). The amount of Cry61 and CTGF per millimeter showed significant associations with the degree of IOOA (p < 0.05). CONCLUSIONS Taken together, our results demonstrated a significant relationship between deviation angle and protein amount of Cry61 and CTGF and implied that Cry61 and CTGF may play important roles in modulation of EOM contractility, which provide new insights into strabismus pathogenesis.
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Affiliation(s)
- Xiaoning Yu
- Eye Center of the Second Affiliated Hospital of Zhejiang University, School of Medicine, 1 West Lake Avenue, Hangzhou, 310009, Zhejiang Province, China
- Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Eye Diseases, Hangzhou, China
- Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, China
| | - Silu Shi
- Eye Center of the Second Affiliated Hospital of Zhejiang University, School of Medicine, 1 West Lake Avenue, Hangzhou, 310009, Zhejiang Province, China
- Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Eye Diseases, Hangzhou, China
- Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, China
| | - Yilei Cui
- Eye Center of the Second Affiliated Hospital of Zhejiang University, School of Medicine, 1 West Lake Avenue, Hangzhou, 310009, Zhejiang Province, China
- Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, China
- Zhejiang Provincial Clinical Research Center for Eye Diseases, Hangzhou, China
- Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, China
| | - Xingchao Shentu
- Eye Center of the Second Affiliated Hospital of Zhejiang University, School of Medicine, 1 West Lake Avenue, Hangzhou, 310009, Zhejiang Province, China.
- Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, China.
- Zhejiang Provincial Clinical Research Center for Eye Diseases, Hangzhou, China.
- Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, China.
| | - Zhaohui Sun
- Eye Center of the Second Affiliated Hospital of Zhejiang University, School of Medicine, 1 West Lake Avenue, Hangzhou, 310009, Zhejiang Province, China.
- Zhejiang Provincial Key Laboratory of Ophthalmology, Hangzhou, China.
- Zhejiang Provincial Clinical Research Center for Eye Diseases, Hangzhou, China.
- Zhejiang Provincial Engineering Institute on Eye Diseases, Hangzhou, China.
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Yeger H. CCN proteins: opportunities for clinical studies-a personal perspective. J Cell Commun Signal 2023:10.1007/s12079-023-00761-y. [PMID: 37195381 DOI: 10.1007/s12079-023-00761-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Accepted: 05/01/2023] [Indexed: 05/18/2023] Open
Abstract
The diverse members of the CCN family now designated as CCN1(CYR61), CCN2 (CTGF), CCN3(NOV), CCN4(WISP1), CCN5(WISP2), CCN6(WISP3) are a conserved matricellular family of proteins exhibiting a spectrum of functional properties throughout all organs in the body. Interaction with cell membrane receptors such as integrins trigger intracellular signaling pathways. Proteolytically cleaved fragments (constituting the active domains) can be transported to the nucleus and perform transcriptional relevant functional activities. Notably, as also found in other protein families some members act opposite to others creating a system of functionally relevant checks and balances. It has become apparent that these proteins are secreted into the circulation, are quantifiable, and can serve as disease biomarkers. How they might also serve as homeostatic regulators is just becoming appreciated. In this review I have attempted to highlight the most recent evidence under the subcategories of cancer and non-cancer relevant that could lead to potential therapeutic approaches or ideas that can be factored into clinical advances. I have added my own personal perspective on feasibility.
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Affiliation(s)
- Herman Yeger
- Developmental and Stem Cell Biology, Research Institute, SickKids, University of Toronto, Toronto, ON, Canada.
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Birkeness LB, Banerjee S, Quadir M, Banerjee SK. The role of CCNs in controlling cellular communication in the tumor microenvironment. J Cell Commun Signal 2023; 17:35-45. [PMID: 35674933 PMCID: PMC10030743 DOI: 10.1007/s12079-022-00682-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/10/2022] [Indexed: 12/12/2022] Open
Abstract
The Cellular communication network (CCN) family of growth regulatory factors comprises six secreted matricellular proteins that promote signal transduction through cell-cell or cell-matrix interaction. The diversity of functionality between each protein is specific to the many aspects of healthy and cancer biology. For example, CCN family proteins modulate cell adhesion, proliferation, migration, invasiveness, apoptosis, and survival. In addition, the expression of each protein regulates many biological and pathobiological processes within its microenvironment to regulate angiogenesis, inflammatory response, chondrogenesis, fibrosis, and mitochondrial integrity. The collective range of CCN operation remains fully comprehended; however, understanding each protein's microenvironment may draw more conclusions about the abundance of interactions and signaling cascades occurring within such issues. This review observes and distinguishes the various roles a CCN protein may execute within distinct tumor microenvironments and the biological associations among them. Finally. We also review how CCN-family proteins can be used in nano-based therapeutic implications.
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Affiliation(s)
- Lauren B Birkeness
- Cancer Research Unit, Research Division, VA Medical Center, 4801 Linwood Blvd, Kansas City, MO, 64128, USA
| | - Snigdha Banerjee
- Cancer Research Unit, Research Division, VA Medical Center, 4801 Linwood Blvd, Kansas City, MO, 64128, USA
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, 66106, USA
| | - Mohiuddin Quadir
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, ND, 58108, USA
| | - Sushanta K Banerjee
- Cancer Research Unit, Research Division, VA Medical Center, 4801 Linwood Blvd, Kansas City, MO, 64128, USA.
- Department of Pathology and Laboratory Medicine, University of Kansas Medical Center, Kansas City, KS, 66106, USA.
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Takigawa M. CCN Proteins (Cellular Communication Network Factors): Expanding Their Repertoire Toward a New Concept. Methods Mol Biol 2023; 2582:1-10. [PMID: 36370338 DOI: 10.1007/978-1-0716-2744-0_1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
I herein report the general structures and functions of CCN proteins and possible molecular mechanisms involved in the unique biological actions of this family of intercellular signaling regulators, which are considered matricellular proteins and were once referred to as "signal conductors" but have recently been renamed "Cellular Communication Network Factors." Their repertoire of functions beyond their role as matricellular proteins is also described to aid in future studies. Advanced research concerning their relevance to pathology is briefly introduced as well. The information provided in this chapter is expected to be useful for readers of subsequent chapters.
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Affiliation(s)
- Masaharu Takigawa
- Advanced Research Center for Oral and Craniofacial Sciences, Okayama University Dental School/Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan.
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Perbal B. Inception and establishment of the International CCN Society (ICCNS) and of the Journal of Cell Communication and Signaling (JCCS): A response to A. Leask's Editorial entitled "Modeling the microenvironment special issue". J Cell Commun Signal 2022; 16:627-629. [PMID: 36098895 PMCID: PMC9733759 DOI: 10.1007/s12079-022-00694-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
A little over a year ago, on January 25, 2021, the new Editor-in-Chief (EiC) of JCCS stated in his Editorial: "ICCNS and JCCS were the brainchildren of Bernard Perbal, and without his energy and drive, neither would exist, to the detriment of us who are driven to solve difficult problems in science, and not picking low-hanging fruit. All one has to do is examine all the editorials written in JCCS (and CCS!) to see evidence of this. It will be tough to fill those shoes."I disagree with the assertion in the Editorial published on March 29, 2022 that G. Martin contributed "to the initial growth of the International CCN Society, and, ultimately, to the establishment of this journal." My opinion is based on the evidence that the International CCN Society (ICCNS) and its official organ journal, the Journal of Cell Communication and Signaling (JCCS), were created by myself. Over a span of 21 years until the present, and in spite of his contribution to the early history of CTGF, we never heard from G. Martin being involved or interested in any aspect of the ICCNS and its biannual meetings, nor in any aspect in the growth of JCCS.In order to further clarify the confusion stemming from the Editorial in question and to give credit where it is due, I provide below detailed evidence that undoubtedly ascribes the true inception of both ICCNS and JCCS, and merit to the efforts of all those who trusted and supported us during the initial difficult creative moments.I am of the opinion that the Editorial, and the implications that it carries do not justice to the efforts of those who were really involved in the creation of both the ICCNS and JCCS.In the name of respectful scientific integrity, I will provide the evidence that correctly attributes the inception of ICCNS and JCCS.
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Yang Z, Li W, Song C, Leng H. CTGF as a multifunctional molecule for cartilage and a potential drug for osteoarthritis. Front Endocrinol (Lausanne) 2022; 13:1040526. [PMID: 36325449 PMCID: PMC9618584 DOI: 10.3389/fendo.2022.1040526] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 09/29/2022] [Indexed: 11/19/2022] Open
Abstract
CTGF is a multifunctional protein and plays different roles in different cells and under different conditions. Pamrevlumab, a monoclonal antibody against CTGF, is an FDA approved drug for idiopathic pulmonary fibrosis (IPF) and Duchenne muscular dystrophy (DMD). Recent studies have shown that CTGF antibodies may potentially serve as a new drug for osteoarthritis (OA). Expression of CTGF is significantly higher in OA joints than in healthy counterparts. Increasing attention has been attracted due to its interesting roles in joint homeostasis. Joint homeostasis relies on normal cellular functions and cell-cell interactions. CTGF is essential for physiological activities of chondrocytes. Abnormal CTGF expression may cause cartilage degeneration. In this review, the physiological functions of CTGF in chondrocytes and related mechanisms are summarized. Changes in the related signaling pathways due to abnormal CTGF are discussed, which are contributing factors to inflammation, cartilage degeneration and synovial fibrosis in OA. The possibility of CTGF as a potential therapeutic target for OA treatment are reviewed.
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Affiliation(s)
- Zihuan Yang
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
| | - Weishi Li
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Engineering Research Center of Bone and Joint Precision Medicine, Beijing, China
| | - Chunli Song
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- Beijing Key Laboratory of Spinal Disease Research, Beijing Municipal Science & Technology Commission, Beijing, China
| | - Huijie Leng
- Department of Orthopaedics, Peking University Third Hospital, Beijing, China
- *Correspondence: Huijie Leng,
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