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Xiaoju Dou, Xiang Li, Haiyan Yu, Bo Dong
Chondromodulin-1 (ChM-1) is an extracellular matrix protein that plays crucial roles in tumor cell growth and angiogenesis in vertebrates and humans. ChM-1 is highly expressed in the invertebrate Ciona savignyi , a marine ascidian chosen as a model. The effect of the recombinant Ciona mature ChM-1 peptide (Cs-mChM-1) on cell proliferation, migration and angiogenesis was evaluated on cultured cells. The results revealed that low concentrations of Cs-mChM-1 (12.5 nM) promoted osteoblastic cell (MC3T3-E1) growth and protected cells from H₂O₂-induced damage...
February 11, 2018: Marine Drugs
Xiangbo Lin, Lijun Wang, Faming Wang
Osteosarcoma is the most common type of bone cancer, and accounts for ~3% of cancers that occurring in children. Chondromodulin‑I (ChM-I) is a 25 kDa glycoprotein that is expressed mainly in cartilage. ChM-I demonstrates anti‑angiogenic activity and has been suggested to inhibit endothelial cells from invading cartilage, and then has been shown to be an inhibitor of tumorigenesis. However, it remains unclear if ChM‑I has any direct anti‑tumorigenesis role on osteosarcoma. Therefore, the present study aimed to identify whether ChM‑I has any direct inhibit effect on human osteosarcoma cells...
December 2017: Molecular Medicine Reports
Uwe Thiel, Sebastian J Schober, Ingo Einspieler, Andreas Kirschner, Melanie Thiede, David Schirmer, Katja Gall, Franziska Blaeschke, Oxana Schmidt, Susanne Jabar, Andreas Ranft, Rebeca Alba Rubío, Uta Dirksen, Thomas G P Grunewald, Poul H Sorensen, Günther H S Richter, Irene Teichert von Lüttichau, Dirk H Busch, Stefan E G Burdach
Background : Chondromodulin-I (CHM1) sustains malignancy in Ewing sarcoma (ES). Refractory ES carries a dismal prognosis and patients with bone marrow (BM) metastases do not survive irrespective of therapy. We assessed HLA-A*02:01/CHM1-specific allorestricted T cell receptor (TCR) wild-type and transgenic cytotoxic (CD8+ ) T cells against ES. Patients and Methods : Three refractory HLA-A2+ ES patients were treated with HLA-A*02:01/peptide-specific allorepertoire-derived (i.e., allorestricted) CD8+ T cells. Patient #1 received up to 4...
2017: Oncoimmunology
Bing Deng, Cheng Chen, Xiaoyuan Gong, Lin Guo, Hao Chen, Li Yin, Liu Yang, Fuyou Wang
The present study aimed to evaluate the expression and localization of chondromodulin‑I (ChM‑I) in human osteoarthritic cartilage and its correlation with vascular invasion during osteoarthritis (OA) progression. Osteochondral specimens were collected from patients with OA, as well as from young and aged donors without joint diseases. The grade and the number of vascular channels terminating in non‑calcified cartilage of these collected specimens were assessed by Safranin‑O/Fast green staining. ChM‑I expression in articular cartilage was examined by immunohistochemistry, western blotting and reverse transcription‑quantitative polymerase chain reaction analyses...
August 2017: Molecular Medicine Reports
Yadan Zhang, Ben J Morgan, Rachel Smith, Christopher R Fellows, Catherine Thornton, Martyn Snow, Lewis W Francis, Ilyas M Khan
Platelet-rich plasma (PRP) is used to stimulate the repair of acute and chronic cartilage damage even though there is no definitive evidence of how this is achieved. Chondrocytes in injured and diseased situations frequently re-express phenotypic biomarkers of immature cartilage so tissue maturation is a potential pathway for restoration of normal structure and function. We used an in vitro model of growth factor-induced maturation to perform a comparative study in order to determine whether PRP can also induce this specific form of remodeling that is characterised by increased cellular proliferation and tissue stiffness...
June 16, 2017: Scientific Reports
Chisa Shukunami, Yuki Yoshimoto, Aki Takimoto, Hiroshi Yamashita, Yuji Hiraki
Tendons and ligaments are dense fibrous bands of connective tissue that integrate musculoskeletal components in vertebrates. Tendons connect skeletal muscles to the bone and function as mechanical force transmitters, whereas ligaments bind adjacent bones together to stabilize joints and restrict unwanted joint movement. Fibroblasts residing in tendons and ligaments are called tenocytes and ligamentocytes, respectively. Tenomodulin (Tnmd) is a type II transmembrane glycoprotein that is expressed at high levels in tenocytes and ligamentocytes, and is also present in periodontal ligament cells and tendon stem/progenitor cells...
November 2016: Japanese Dental Science Review
Kristina von Heyking, Julia Calzada-Wack, Stefanie Göllner, Frauke Neff, Oxana Schmidt, Tim Hensel, David Schirmer, Annette Fasan, Irene Esposito, Carsten Müller-Tidow, Poul H Sorensen, Stefan Burdach, Günther H S Richter
Ewing sarcomas (ES) are highly malignant, osteolytic bone or soft tissue tumors, which are characterized by EWS-ETS translocations and early metastasis to lung and bone. In this study, we investigated the role of the BRICHOS chaperone domain-containing endochondral bone protein chondromodulin I (CHM1) in ES pathogenesis. CHM1 is significantly overexpressed in ES, and chromosome immunoprecipitation (ChIP) data demonstrate CHM1 to be directly bound by an EWS-ETS translocation, EWS-FLI1. Using RNA interference, we observed that CHM1 promoted chondrogenic differentiation capacity of ES cells but decreased the expression of osteolytic genes such as HIF1A, IL6, JAG1, and VEGF...
September 2017: Molecular Oncology
Shuang-Chun Xing, Lian-Xin Du, Wei Zhou, Yu-Qiang Hu, Ya Feng, Hong-Feng Liang, Lin Sang, Min Qi, Li-Jie Zhai, Zhi-Qiang Wang
To identify novel proteins that might help clarify the molecular mechanisms underlying chondromodulin-I (ChM-I) induction of mesenchymal stem cells (MSCs) differentiate into chondrocytes. MSCs are triggered to differentiate into chondrocytes, which are recognized as important factors in cartilage tissue engineering. ChM-I is a glycoprotein that stimulates the growth of chondrocytes and inhibits angiogenesis in vitro. In this study, the proteomic approach was used to evaluate protein changes between undifferentiated MSCs and ChM-I-transfected MSCs...
April 21, 2017: Journal of Proteomics
Matthew C Sapp, Varun K Krishnamurthy, Daniel S Puperi, Saheba Bhatnagar, Gabrielle Fatora, Neelesh Mutyala, K Jane Grande-Allen
Tissue oxygenation often plays a significant role in disease and is an essential design consideration for tissue engineering. Here, oxygen diffusion profiles of porcine aortic and mitral valve leaflets were determined using an oxygen diffusion chamber in conjunction with computational models. Results from these studies revealed the differences between aortic and mitral valve leaflet diffusion profiles and suggested that diffusion alone was insufficient for normal oxygen delivery in mitral valves. During fibrotic valve disease, leaflet thickening due to abnormal extracellular matrix is likely to reduce regional oxygen availability...
December 2016: Journal of the Royal Society, Interface
Carlos A Díaz-Balzac, Maisha Rahman, María I Lázaro-Peña, Lourdes A Martin Hernandez, Yehuda Salzberg, Cristina Aguirre-Chen, Zaven Kaprielian, Hannes E Bülow
Sensory dendrite arbors are patterned through cell-autonomously and non-cell-autonomously functioning factors [1-3]. Yet, only a few non-cell-autonomously acting proteins have been identified, including semaphorins [4, 5], brain-derived neurotrophic factors (BDNFs) [6], UNC-6/Netrin [7], and the conserved MNR-1/Menorin-SAX-7/L1CAM cell adhesion complex [8, 9]. This complex acts from the skin to pattern the stereotypic dendritic arbors of PVD and FLP somatosensory neurons in Caenorhabditis elegans through the leucine-rich transmembrane receptor DMA-1/LRR-TM expressed on PVD neurons [8, 9]...
September 12, 2016: Current Biology: CB
Andreas Kirschner, Melanie Thiede, Franziska Blaeschke, Günther H S Richter, Julia S Gerke, Michaela C Baldauf, Thomas G P Grünewald, Dirk H Busch, Stefan Burdach, Uwe Thiel
AIM: Autologous as well as allogeneic CD8+ T cells transduced with tumor antigen specific T cell receptors (TCR) may cause significant tumor lysis upon adoptive transfer. Besides unpredictable life-threatening off-target effects, these TCRs may unexpectedly commit fratricide. We hypothesized lysosome-associated membrane glycoprotein 1 (LAMP1, CD107a) to be a marker for fratricide in TCR transgenic CD8+ T cells. METHODS: We identified HLA-A*02:01/peptide-restricted T cells directed against ADRB3295...
August 30, 2016: Oncotarget
X Zhang, I Prasadam, W Fang, R Crawford, Y Xiao
OBJECTIVES: Hypoxia is known to stabilize hypoxia-inducible factor (HIF) and initiate angiogenic signaling cascade. However, cartilage living in hypoxia environment can maintain avascularity. It is well known that abrogation of avascularity is related to cartilage degradation in osteoarthritis (OA). The aims of present study were to investigate the role of chondromodulin-1 (ChM-1), an endogenously anti-angiogenic protein in cartilage, during chondrocyte maturation and OA progression, as well as to explore the molecular mechanisms underlying the function of ChM-1 with a focus on HIF-2α pathway...
November 2016: Osteoarthritis and Cartilage
Franziska Blaeschke, Uwe Thiel, Andreas Kirschner, Melanie Thiede, Rebeca Alba Rubio, David Schirmer, Thomas Kirchner, Günther H S Richter, Sabine Mall, Richard Klar, Stanley Riddell, Dirk H Busch, Angela Krackhardt, Thomas G P Grunewald, Stefan Burdach
The endochondral bone protein Chondromodulin-I (CHM1) provides oncogene addiction in Ewing sarcoma (ES). We pre-clinically tested the targetability of CHM1 by TCR transgenic, allo-restricted, peptide specific T cells to treat ES. We previously generated allo-restricted wildtype CD8+ T cells directed against the ES specific antigen CHM1319 causing specific responses against ES. However, utilization of these cells in current therapy protocols is hampered due to high complexity in production, relatively low cell numbers, and rapid T cell exhaustion...
July 12, 2016: Oncotarget
Zhuoyue Chen, Jing Wei, Jun Zhu, Wei Liu, Jihong Cui, Hongmin Li, Fulin Chen
BACKGROUND: Marrow mesenchymal stem cells (MSCs) can differentiate into specific phenotypes, including chondrocytes, and have been widely used for cartilage tissue engineering. However, cartilage grafts from MSCs exhibit phenotypic alternations after implantation, including matrix calcification and vascular ingrowth. METHODS: We compared chondromodulin-1 (Chm-1) expression between chondrocytes and MSCs. We found that chondrocytes expressed a high level of Chm-1...
May 5, 2016: Stem Cell Research & Therapy
Jie Shao, Linghong Gan, Jie Wang
Breast cancer affects one in every eight women, and has been associated with higher rates of female mortality than any other cancer type, with the exception of lung cancer. It has been reported that chondromodulin I (ChM-I) was able to suppress tumor angiogenesis and growth in vivo. In order to investigate the antitumor action of ChM‑I on human breast cancer cells, a plasmid expressing ChM‑I was constructed and transfected into human breast cancer cells using an adenoviral vector. Reverse transcription‑polymerase chain reaction detected ChM‑I expression in human breast cancer cell lines, whereas no expression was detected in the control groups...
May 2016: Molecular Medicine Reports
Jie Xu, Hengxing Cai, Qinggong Meng, Yingjie Li, Guoxin Chen, Wei Fang, Xing Long
BACKGROUND: A high density of blood vessels is observed in the perforated disks of temporomandibular joint (TMJ), but the underlying mechanism is unknown. This study aimed to explore the regulation of disk angiogenesis in the perforated disks. METHODS: Expressions of vascular endothelial growth factor (VEGF), angiogenin-1 (Ang-1), chondromodulin-1 (ChM-1), and thrombospondins-1 (TSP-1) were compared between healthy and perforated TMJ disk cells with or without interleukin-1β (IL-1β) incubation...
September 2016: Journal of Oral Pathology & Medicine
Pengfei Zhang, Ying Wang, Po Xu, Shiyuan Song, Xiaojuan Zhu, Zhenguo Shi, Shegan Gao, Xiaoshan Feng
Chondromodulin-1 (ChM1) is a cartilage-specific glycoprotein that stimulates the growth of chondrocytes and inhibits the tube formation of endothelial cells. Endogenously, ChM1 is expressed in the cartilage and is an anti-angiogenic factor. ChM1 has been reported to suppress the proliferation of multiple human tumor cells in an anchorage-independent manner. However, the role of ChM1 in carcinogenesis of gastric cancer remains unknown. By quantitative RT-PCR and western blotting we examined the expression of ChM1 in gastric cancer tissue and normal gastric tissue...
September 2015: International Journal of Oncology
Hidetaka Murata, Msataka Sunohara, Iwao Sato
Dentin matrix protein 1 (DMP-1) is an important factor in the mineralization of hard tissues. However, it has many other functions in addition to the regulation of mineralized tissues. We analyzed the expression and localization of DMP-1 by immunohistochemical staining and in situ hybridization in the developing mouse tongue during embryonic days 12.5 (E12.5), E14.5, E17.5, and E18.5. We also detected the mRNA abundance of tongue morphogenesis markers such as FGF6, TGF-β1, Collagen I, osteocalcin, chondromodulin 1, tenomodulin, Vascular endothelial growth factor (VEGF), caspase-3, and Aifm from embryonic stages by real-time RT-PCR...
July 2015: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
Kayle Shapero, Jill Wylie-Sears, Robert A Levine, John E Mayer, Joyce Bischoff
Thickening of mitral leaflets, endothelial-to-mesenchymal transition (EndMT), and activated myofibroblast-like interstitial cells have been observed in ischemic mitral valve regurgitation. We set out to determine if interactions between mitral valve endothelial cells (VECs) and interstitial cells (VICs) might affect these alterations. We used in vitro co-culture in Transwell™ inserts to test the hypothesis that VICs secrete factors that inhibit EndMT and conversely, that VECs secrete factors that mitigate the activation of VICs to a myofibroblast-like, activated phenotype...
March 2015: Journal of Molecular and Cellular Cardiology
Shuang-Chun Xing, Yang Liu, Y Feng, Chen Jiang, Yu-Qiang Hu, Wei Sun, Xin-Hui Wang, Zhi-Yong Wei, Min Qi, Jing Liu, Li-Jie Zhai, Zhi-Qiang Wang
We have explored the role of Chondromodulin-I (ChM-I) in chondrogenesis of bone marrow-derived mesenchymal stem cells (BMSCs) in 3-dimensional (3D) scaffold for cartilage tissue engineering. BMSCs of Sprague Dawley (SD) rats were cultured on poly-(L-lactic acid) [PLLA] scaffolds with different pore sizes (80-200 μm, 200-450 μm) with or without surface modification by chitosan. Cell viability, proliferation, and morphology were measured using confocal microscope and the CCK-8 method. Untransfected BMSCs, BMSCs expressing pcDNA3...
March 2015: Cell Biology International
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