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https://www.readbyqxmd.com/read/28935039/tenascin-c-in-cardiac-hypertrophy-and%C3%A2-fibrosis-friend-or-foe
#1
EDITORIAL
Woo Jin Park, Dongtak Jeong, Jae Gyun Oh
No abstract text is available yet for this article.
September 26, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28935038/bone-marrow-derived-tenascin-c-attenuates-cardiac-hypertrophy-by-controlling-inflammation
#2
Lei Song, Lai Wang, Fuqiang Li, Ada Yukht, Minghui Qin, Haley Ruther, Mingjie Yang, Aurelio Chaux, Prediman K Shah, Behrooz G Sharifi
BACKGROUND: Tenascin-C (TNC) is a highly conserved matricellular protein with a distinct expression pattern during development and disease. Remodeling of the left ventricle (LV) in response to pressure overload leads to the re-expression of the fetal gene program. OBJECTIVES: The aim of this study was to investigate the function of TNC in cardiac hypertrophy in response to pressure overload. METHODS: Pressure overload was induced in TNC knockout and wild-type mice by constricting their abdominal aorta or by infusion of angiotensin II...
September 26, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28932029/validation-of-immunoexpression-of-tenascin-c-in-oral-precancerous-and-cancerous-tissues-using-imagej-analysis-with-novel-immunohistochemistry-profiler-plugin-an-immunohistochemical-quantitative-analysis
#3
Deepa Rajesh Mane, Alka D Kale, Chetan Belaldavar
BACKGROUND: Immunohistochemistry (IHC) is a molecular technique that has grown tremendously over the years. However, the assessment is only qualitative which is subjective and causes errors. Due to this limitation, several excellent markers have not gained importance and reached clinical trials. Hence, we aimed to quantify IHC by ImageJ analysis with a novel IHC profiler plugin. ImageJ has not been tried in oral precancerous tissues with minimal attempt for matrix markers. AIM: This study aimed to validate the quantification of immunoexpression of tenascin-C (TN-C) in oral precancerous tissues and oral squamous cell carcinoma (OSCC) using ImageJ software with IHC profiler plugin...
May 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28916657/tenascin-c-and-integrin-%C3%AE-9-mediate-interactions-of-prostate-cancer-with-the-bone-microenvironment
#4
Rebeca San Martin, Ravi Pathak, Antrix Jain, Sung Yun Jung, Susan G Hilsenbeck, Maria C Piňa-Barba, Andrew G Sikora, Kenneth J Pienta, David R Rowley
Deposition of the extracellular matrix protein tenascin-C is part of the reactive stroma response, which has a critical role in prostate cancer progression. Here we report that tenascin-C is expressed in the bone endosteum and involved associated with formation of prostate bone metastases. Metastatic cells cultured on osteo-mimetic surfaces coated with tenascin-C exhibited enhanced adhesion and colony formation as mediated by integrin α9β1. Additionally, metastatic cells preferentially migrated and colonized tenascin-C-coated trabecular bone xenografts in a novel system that employed chorioallantoic membranes of fertilized chicken eggs as host...
September 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28887577/periostin-and-its-interacting-proteins-in-the-construction-of-extracellular-architectures
#5
REVIEW
Isao Kii, Harumi Ito
Periostin is a matricellular protein that is composed of a multi-domain structure with an amino-terminal EMI domain, a tandem repeat of four FAS 1 domains, and a carboxyl-terminal domain. These distinct domains have been demonstrated to bind to many proteins including extracellular matrix proteins (Collagen type I and V, fibronectin, tenascin, and laminin), matricellular proteins (CCN3 and βig-h3), and enzymes that catalyze covalent crosslinking between extracellular matrix proteins (lysyl oxidase and BMP-1)...
September 8, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28886271/microrna-signature-in-the-chemoprevention-of-functionally-enriched-stem-and-progenitor-pools-fespp-by-active-hexose-correlated-compound-ahcc
#6
Émilie A Graham, Jean-François Mallet, Majed Jambi, Hiroshi Nishioka, Kohei Homma, Chantal Matar
PURPOSE: Many breast cancer patients use natural compounds in their battle against breast cancer. Active Hexose Correlated Compound (AHCC®) is a cultured mushroom mycelium extract shown to favorably modulate the immune system and alleviate cancer burden. Cancer Stem cells (CSCs) are a subset of highly tumorigenic cancer cells that are thought to be responsible for recurrence. CSCs can be epigenetically regulated by microRNAs (miRNAs). We hypothesized that AHCC may influence CSCs by modulating tumor-suppressor or oncogenic miRNAs...
September 8, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28879051/targeting-danger-molecules-in-tendinopathy-the-hmgb1-tlr4-axis
#7
Moeed Akbar, Derek S Gilchrist, Susan M Kitson, Briana Nelis, Lindsay A N Crowe, Emma Garcia-Melchor, James H Reilly, Shauna C Kerr, George A C Murrell, Iain B McInnes, Neal L Millar
OBJECTIVES: To seek evidence of the danger molecule, high-mobility group protein B1 (HMGB1) expression in human tendinopathy and thereafter, to explore mechanisms where HMGB1 may regulate inflammatory mediators and matrix regulation in human tendinopathy. METHODS: Torn supraspinatus tendon (established pathology) and matched intact subscapularis tendon (representing 'early pathology') biopsies were collected from patients undergoing arthroscopic shoulder surgery...
2017: RMD Open
https://www.readbyqxmd.com/read/28874184/multipotent-stromal-cells-mesenchymal-stem-cells-and-fibroblasts-combine-to-minimize-skin-hypertrophic-scarring
#8
Cecelia C Yates, Melanie Rodrigues, Austin Nuschke, Zariel I Johnson, Diana Whaley, Donna Stolz, Joseph Newsome, Alan Wells
BACKGROUND: Transplantation of mesenchymal stem cells (MSC) has been proposed to improve wound healing. However, as these cells only transiently survive in the implantation site, the mechanisms underlying this beneficial healing response are associated with restorative paracrine effects of MSC matricellular factors on resident stromal cells. However, this requires that the recipient has a robust reservoir of viable cells. Here, we examine the influence of MSCs on the behavior of cotransplanted fibroblasts, in a manner to provide augmented cellular reserve to debilitated individuals, specifically focusing on matrix remodeling following in-vivo wounding...
September 5, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28874093/comprehensive-dna-microarray-expression-profiles-of-tumors-in-tenascin-c-knockout-mice
#9
Kaori Matsumoto, Yuji Nakai, Masaru Hoshino, Koki Yamazaki, Yoshiaki Takioto, Satoru Takadera, Takayuki Nakagawa, Ryohei Nishimura, Moriaki Kusakabe
Tenascin-C (TNC), an extracellular matrix glycoprotein, plays a pivotal role in tumor growth. However, the mechanism whereby TNC affects tumor biology remains unclear. To investigate the exact role of TNC in primary tumor growth, a mouse mammary tumor cell line, GLMT1, was first developed. Subsequently, global gene expression in GLMT1-derived tumors was compared between wild-type (WT) and TNC-knockout (TNKO) mice. Tumors in WT mice were significantly larger than those in TNKO mice. DNA microarray analysis revealed 447 up and 667 downregulated in the tumors inoculated into TNKO mice as compared to tumors in WT mice...
October 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28867376/a-non-internalizing-antibody-drug-conjugate-based-on-an-anthracycline-payload-displays-potent-therapeutic-activity-in-vivo
#10
Alberto Dal Corso, Rémy Gébleux, Patrizia Murer, Alex Soltermann, Dario Neri
Antibody-drug conjugates are generally believed to crucially rely on internalization into cancer cells for therapeutic activity. Here, we show that a non-internalizing antibody-drug conjugate, based on the F16 antibody specific to the alternatively spliced A1 domain of tenascin-C, mediates a potent therapeutic activity when equipped with the anthracycline PNU159682. The peptide linker, connecting the F16 antibody in IgG format at a specific cysteine residue to the drug, was stable in serum but could be efficiently cleaved in the subendothelial extracellular matrix by proteases released by the dying tumor cells...
September 1, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28866708/quantitative-visualization-of-dynamic-tracer-transportation-in-the-extracellular-space-of-deep-brain-regions-using-tracer-based-magnetic-resonance-imaging
#11
Jin Hou, Wei Wang, Xianyue Quan, Wen Liang, Zhiming Li, Deji Chen, Hongbin Han
BACKGROUND This study assessed an innovative tracer-based magnetic resonance imaging (MRI) system to visualize the dynamic transportation of tracers in regions of deep brain extracellular space (ECS) and to measure transportation ability and ECS structure. MATERIAL AND METHODS Gadolinium-diethylene triamine pentaacetic acid (Gd-DTPA) was the chosen tracer and was injected into the caudate nucleus and thalamus. Real-time dynamic transportation of Gd-DTPA in ECS was observed and the results were verified by laser scanning confocal microscopy...
September 3, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28857429/tenascin-c-renders-a-proangiogenic-phenotype-in-macrophage-via-annexin-ii
#12
Zhiyang Wang, Qi Wei, Liang Han, Keqing Cao, Tianfeng Lan, Zhenjie Xu, Yingjuan Wang, Yuan Gao, Jing Xue, Fei Shan, Jun Feng, Xin Xie
Tenascin-c is an extracellular matrix glycoprotein, the expression of which relates to the progression of atherosclerosis, myocardial infarction and heart failure. Annexin II acts as a cell surface receptor of tenascin-c. This study aimed to delineate the role of tenascin-c and annexin II in macrophages presented in atherosclerotic plaque. Animal models with atherosclerotic lesions were established using ApoE-KO mice fed with high-cholesterol diet. The expression of tenascin-c and annexin II in atherosclerotic lesions was determined by qRT-PCR, Western blot and immunohistochemistry analysis...
August 30, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28856171/genetic-factors-in-tendon-injury-a-systematic-review-of-the-literature
#13
REVIEW
Natalie H Vaughn, Hayk Stepanyan, Robert A Gallo, Aman Dhawan
BACKGROUND: Tendon injury such as tendinopathy or rupture is common and has multiple etiologies, including both intrinsic and extrinsic factors. The genetic influence on susceptibility to tendon injury is not well understood. PURPOSE: To analyze the published literature regarding genetic factors associated with tendon injury. STUDY DESIGN: Systematic review; Level of evidence, 3. METHODS: A systematic review of published literature was performed in concordance with the Preferred Reporting Items of Systematic Reviews and Meta-analysis (PRISMA) guidelines to identify current evidence for genetic predisposition to tendon injury...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28819748/lipoxin-a4-attenuates-bronchopulmonary-dysplasia-via-upregulation-of-let-7c-and-downregulation-of-tgf-%C3%AE-1-signaling-pathway
#14
Xiao-Qing Chen, Sheng-Hua Wu, Yan-Yan Luo, Bing-Jie Li, Shu-Jun Li, Hong-Yan Lu, Rui Jin, Zhong-Yi Sun
Transforming growth factor-β (TGF-β) superfamily members are key regulators for lung development and progress of bronchopulmonary dysplasia (BPD). The mechanisms by which lipoxin A4 (LXA4) attenuates development of BPD have not been clarified. Neonatal murine BPD models were inducted by hyperoxia treatment. Neonatal mice were exposed to room air or 85% O2 hyperoxia with or without treatment with 5S,6R-methyl-LXA4 or anti-TGF-β antibodies. Mouse lung epithelial cells (MLE-12 cells) and mouse embryonic fibroblasts (NIH/3T3 cells) were cultured in room air or 85% O2 followed by treatment of LXA4, anti-TGF-β antibodies, and let-7c mimic/anti-microRNA transfections...
August 17, 2017: Inflammation
https://www.readbyqxmd.com/read/28800110/response-of-dermal-fibroblasts-to-biochemical-and-physical-cues-in-aligned-polycaprolactone-silk-fibroin-nanofiber-scaffolds-for-application-in-tendon-tissue-engineering
#15
Chih-Hao Chen, Shih-Hsien Chen, Chang-Yi Kuo, Meng-Lun Li, Jyh-Ping Chen
Silk fibroin (SF) and fiber alignment were introduced into polycaprolactone (PCL)-based electrospun nanofibers as chemical and physical cues for tendon tissue engineering applications. The physicochemical properties of random PCL (RP) nanofibers, random PCL/SF (RPSF) nanofibers and aligned PCL/SF (APSF) nanofibers were characterized for fiber orientation and SF blending effects. An in vitro cell culture with rabbit dermal fibroblasts (RDFBs) on nanofibers indicated that SF promotes cell proliferation to a higher extent than fiber alignment...
August 11, 2017: Nanomaterials
https://www.readbyqxmd.com/read/28766166/rhpdgf-bb-combined-with-adscs-in-the-treatment-of-achilles-tendinitis-via-mir-363-pi3%C3%A2-k-akt-pathway
#16
Qiao-Jie Chen, Liang Chen, Shao-Kun Wu, Yao-Jun Wu, Qing-Jiang Pang
To investigate the mechanism of recombinant human platelet-derived growth factor-BB (rhPDGF-BB) and human adipose-derived stem cells (hADSCs) in the treatment of Achilles tendinitis. Biomechanical indices of stiffness, stress, and maximum load-to-failure were detected by biomechanical test. mRNA and protein levels of miR-363, p-PI3K/AKT, tendon-related genes Collagen I, Scleraxis (Scx), and Tenascin C (TNC) were measured by qRT-PCR and western blot. The proliferation of hADSCs was accessed by MTT assay. Biomechanical indices of stiffness, stress, and maximum load-to-failure, and mRNA and protein levels of tendon-related genes could be improved by rhPDGF-BB or hADSCs alone, and could be further improved by rhPDGF-BB + hADSCs...
August 1, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28753740/photopolymerized-micropatterns-with-high-feature-frequencies-overcome-chemorepulsive-borders-to-direct-neurite-growth
#17
Bradley W Tuft, Linjing Xu, Braden Leigh, Daniel Lee, C Allan Guymon, Marlan R Hansen
Developing and regenerating neurites respond to a variety of biophysical and biochemical cues in their microenvironment to reach target cells and establish appropriate synapses. Defining the hierarchal relationship of both types of cues to direct neurite growth carries broad significance for neural development, regeneration, and, in particular, engineering of neural prostheses that improve tissue integration with native neural networks. In this work, chemorepulsive biochemical borders are established on substrates with a range of surface microfeatures to determine the potential of physical cues to overcome conflicting biochemical cues...
July 28, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28752190/postlactational-involution-biomarkers-plasminogen-and-phospho-stat3-are-linked-with-active-age-related-lobular-involution
#18
Melody L Stallings-Mann, Ethan P Heinzen, Robert A Vierkant, Stacey J Winham, Tanya L Hoskin, Lori A Denison, Aziza Nassar, Lynn C Hartmann, Daniel W Visscher, Marlene H Frost, Mark E Sherman, Amy C Degnim, Derek C Radisky
PURPOSE: Breast terminal duct lobular units undergo two distinctive physiological processes of involution: age-related lobular involution (LI), which is gradual and associated with decreased breast cancer risk, and postlactational involution, which is relatively precipitous, occurs with weaning, and has been associated with potentiation of tumor aggressiveness in animal models. Here we assessed whether markers of postlactational involution are associated with ongoing LI in a retrospective tissue cohort...
July 27, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28747552/tenascin-c-and-fibronectin-in-normal-esophageal-mucosa-barrett-s-esophagus-dysplasia-and-adenocarcinoma
#19
Joni Leppänen, Sara Bogdanoff, Petri P Lehenkari, Juha Saarnio, Joonas H Kauppila, Tuomo J Karttunen, Heikki Huhta, Olli Helminen
BACKGROUND: Tenascin-C and fibronectin are adhesive glycoproteins modulating the structure of the extracellular matrix and cellular functions. Their expression and function in esophageal adenocarcinoma is poorly known. The aim of this study was to evaluate the expression of tenascin-C and fibronectin in esophageal adenocarcinoma and its precursor stages. RESULTS: Stromal tenascin-C and fibronectin expression were found in all evaluated lesion types. Expression of both molecules increased from gastric metaplasia towards adenocarcinoma (p<0...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28747334/pedf-expression-affects-retinal-endothelial-cell-pro-angiogenic-properties-through-alterations-in-cell-adhesive-mechanisms
#20
Juliana Falero-Perez, SunYoung Park, Christine M Sorenson, Nader Sheibani
Pigment epithelium derived factor (PEDF) is an endogenous inhibitor of angiogenesis. Although various ocular cell types including retinal endothelial cells (EC) produce PEDF, we know very little about cell autonomous effects of PEDF in these cell types. Here we determined how PEDF expression affects retinal EC proangiogenic properties. Retinal EC were prepared from wild type (PEDF+/+) and PEDF-deficient (PEDF-/-) mice. The identity of EC was confirmed by staining for specific markers including VE-cadherin, CD31, and B4-lectin...
July 26, 2017: American Journal of Physiology. Cell Physiology
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