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collagen induction therapy

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https://www.readbyqxmd.com/read/28811384/loss-of-spdef-and-gain-of-tgfbi-activity-after-androgen-deprivation-therapy-promote-emt-and-bone-metastasis-of-prostate-cancer
#1
Wei-Yu Chen, Yuan-Chin Tsai, Hsiu-Lien Yeh, Florent Suau, Kuo-Ching Jiang, Ai-Ning Shao, Jiaoti Huang, Yen-Nien Liu
Androgen deprivation therapy (ADT) targeting the androgen receptor (AR) is a standard therapeutic regimen for treating prostate cancer. However, most tumors progress to metastatic castration-resistant prostate cancer after ADT. We identified the type 1, 2, and 4 collagen-binding protein transforming growth factor-β (TGFβ)-induced protein (TGFBI) as an important factor in the epithelial-to-mesenchymal transition (EMT) and malignant progression of prostate cancer. In prostate cancer cell lines, AR signaling stimulated the activity of the transcription factor SPDEF, which repressed the expression of TGFBI ADT, AR antagonism, or overexpression of TGFBI inhibited the activity of SPDEF and enhanced the proliferation rates of prostate cancer cells...
August 15, 2017: Science Signaling
https://www.readbyqxmd.com/read/28781940/long-term-treatment-with-anti-platelet-agents-for-collagen-induced-arthritis-improves-radiological-findings
#2
Chan Kim, Toyou Kim, Jihyung Yoo, Dong-Hyuk Sheen, Sang Kwang Lee, Eun-Hye Choi, Tong Jin Chun, Seong-Wook Kang, Seung-Cheol Shim, Mi-Kyoung Lim
OBJECTIVES: The objectives of this study were to evaluate the long-term effect of anti-platelet treatment on the radiological progression of collagen-induced arthritis in rats. METHODS: Female Lewis rats with collagen-induced arthritis were divided into three experimental groups: saline, aspirin monotherapy (n = 12), and aspirin-clopidogrel dual therapy (n = 12). Drugs were administered daily and continued up to 70 days after the induction of arthritis. The clinical arthritis index (weight, morphology score, and paw thickness) and radiological scores were evaluated...
June 2017: Osong Public Health and Research Perspectives
https://www.readbyqxmd.com/read/28772031/local-microrna-133a-downregulation-is-associated-with-hypertrophy-in-the-dyssynchronous-heart
#3
Lars B van Middendorp, Marion Kuiper, Chantal Munts, Philippe Wouters, Jos G Maessen, Frans A van Nieuwenhoven, Frits W Prinzen
AIMS: Left bundle branch block (LBBB) creates considerable regional differences in mechanical load within the left ventricle (LV). We investigated expression of selected microRNAs (miRs) in relation to regional hypertrophy and fibrosis in LBBB hearts and their reversibility upon cardiac resynchronization therapy (CRT). METHODS AND RESULTS: Eighteen dogs were followed for 4 months after induction of LBBB, 10 of which received CRT after 2 months. Five additional dogs served as control...
August 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/28755493/osteoinductive-porous-biphasic-calcium-phosphate-ceramic-as-an-alternative-to-autogenous-bone-grafting-in-the-treatment-of-mandibular-bone-critical-size-defects
#4
Paula Sanches Santos, Tania Mary Cestari, Jéssica Botto Paulin, Renato Martins, Caroline Andrade Rocha, Ricardo Vinícius Nunes Arantes, Bruna Carolina Costa, Cássio Morilla Dos Santos, Gerson Francisco Assis, Rumio Taga
The bone-induction capacity of a porous biphasic calcium phosphate (pBCP) using heterotopic implantation in mouse (mHI-model) and its efficacy as substitute for autograft in mandibular critical-size defect in rabbit (rabMCSD-model) was investigated. In mHI-model, pBCP was implanted into the thigh muscles and bone formation was histomorphometrically and immunohistochemically evaluated. In rabMCSD-model, 13 mm bone defects were treated with pBCP or autograft and bone repair comparatively evaluated by radiographic and histomorphometric methods...
July 29, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28752097/efficacy-of-platelet-rich-plasma-in-retarding-intervertebral-disc-degeneration-a-meta-analysis-of-animal-studies
#5
Pei Li, Ruijie Zhang, Qiang Zhou
OBJECTIVES: Several animal studies have demonstrated the positive effects of platelet-rich plasma (PRP) on disc degeneration retardation. The present meta-analysis was to verify the efficacy of PRP in retarding disc degeneration in animal. METHODS: Relevant studies were identified and evaluated according to our inclusion and exclusion criteria. The standardized mean difference (SMD) and related 95% confidence interval (95% CI) were estimated to assess PRP efficiency...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28743831/effective-protection-against-acute-respiratory-distress-syndrome-sepsis-injury-by-combined-adipose-derived-mesenchymal-stem-cells-and-preactivated-disaggregated-platelets
#6
Chih-Hung Chen, Yung-Lung Chen, Pei-Hsun Sung, Cheuk-Kwan Sun, Kuan-Hung Chen, Yi-Ling Chen, Tien-Hung Huang, Hung-I Lu, Fan-Yen Lee, Jiunn-Jye Sheu, Sheng-Ying Chung, Mel S Lee, Hon-Kan Yip
This study assessed whether combining adipose-derived mesenchymal stem cells (ADMSC) with preactivated, disaggregated shape-changed platelets (PreD-SCP) was superior to either therapy alone for protecting rat lung from acute respiratory distress syndrome (ARDS) complicated by sepsis. ARDS and sepsis were induced through 100% oxygen inhalation and peritoneal administration of 1.5 mg/kg lipopolysaccharide (LPS), respectively. Adult-male Sprague-Dawley rats (n=40) were randomized into sham-control (SC), ARDS-LPS, ARDS-LPS-ADMSC (1...
July 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28712048/photobiomodulation-therapy-improves-both-inflammatory-and-fibrotic-parameters-in-experimental-model-of-lung-fibrosis-in-mice
#7
Robson Alexandre Brochetti, Mayara Peres Leal, Raíssa Rodrigues, Renata Kelly da Palma, Luis Vicente Franco de Oliveira, Anna Carolina Ratto Tempestini Horliana, Amílcar Sabino Damazo, Ana Paula Ligeiro de Oliveira, Rodolfo Paula Vieira, Adriana Lino-Dos-Santos-Franco
Lung fibrosis (LF) is a chronic and progressive lung disease characterized by pulmonary parenchyma progressive lesion, inflammatory infiltration, and interstitial fibrosis. It is developed by excessive collagen deposition and other cellular matrix components, resulting in severe changes in the alveolar architecture. Considering the absence of effective treatment, the aim of this study was to investigate the effect of photobiomodulation therapy (PBMT) on the development of PF. For this purpose, we used C57BL6 mice subjected to induction of LF by bleomycin administration (1...
July 16, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28702956/interventions-for-treating-lymphocytic-colitis
#8
REVIEW
Nilesh Chande, Noor Al Yatama, Tania Bhanji, Tran M Nguyen, John Wd McDonald, John K MacDonald
BACKGROUND: Lymphocytic colitis is a cause of chronic diarrhea. It is a subtype of microscopic colitis characterized by chronic, watery, non-bloody diarrhea and normal endoscopic and radiologic findings. The etiology of this disorder is unknown.Therapy is based mainly on case series and uncontrolled trials, or by extrapolation of data for treating collagenous colitis, a related disorder. This review is an update of a previously published Cochrane review. OBJECTIVES: To evaluate the efficacy and safety of treatments for clinically active lymphocytic colitis...
July 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28702462/adoptive-cell-therapy-of-induced-regulatory-t-cells-expanded-by-tolerogenic-dendritic-cells-on-murine-autoimmune-arthritis
#9
Jie Yang, Lidong Liu, Yiming Yang, Ning Kong, Xueyu Jiang, Juan Sun, Rufeng Xie
OBJECTIVE: Tolerogenic dendritic cells (tDCs) can expand TGF-β-induced regulatory T cells (iTregs); however, the therapeutic utility of these expanded iTregs in autoimmune diseases remains unknown. We sought to determine the properties of iTregs expanded by mature tolerogenic dendritic cells (iTregmtDC) in vitro and explore their potential to ameliorate collagen-induced arthritis (CIA) in a mouse model. METHODS: After induction by TGF-β and expansion by mature tDCs (mtDCs), the phenotype and proliferation of iTregmtDC were assessed by flow cytometry...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28691931/gentamicin-induces-functional-type-vii-collagen-in-recessive-dystrophic-epidermolysis-bullosa-patients
#10
David T Woodley, Jon Cogan, Yingping Hou, Chao Lyu, M Peter Marinkovich, Douglas Keene, Mei Chen
BACKGROUND: Recessive dystrophic epidermolysis bullosa (RDEB) is an incurable disease caused by mutations in the gene encoding type VII collagen, the major component of anchoring fibrils (AF). We previously demonstrated that gentamicin produced functional type VII collagen in RDEB cells harboring nonsense mutations. Herein, we determined whether topical or intradermal gentamicin administration induces type VII collagen and AFs in RDEB patients. METHODS: A double-blind, placebo-controlled pilot trial assessed safety and efficacy of topical and intradermal gentamicin in 5 RDEB patients with nonsense mutations...
August 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28678914/long-term-effects-of-human-amniotic-membrane-in-a-rat-model-of-biliary-fibrosis
#11
L B Sant'Anna, F S Brito, P R Barja, M C Nicodemo
Liver fibrosis is the most common outcome of chronic liver diseases, and its progression to cirrhosis can only be effectively treated with liver transplantation. The amniotic membrane (AM) has been studied as an alternative therapy for fibrosis diseases mainly for its favorable properties, including anti-inflammatory, anti-scaring and immunomodulatory properties. It was recently demonstrated that the AM reduces the progression of biliary fibrosis to its advanced stage, cirrhosis, when applied on the liver for 6 weeks after fibrosis induction...
July 3, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28662879/use-of-platelet-rich-plasma-in-endodontic-procedures-in-adults-regeneration-or-repair-a-report-of-3-cases-with-5%C3%A2-years-of-follow-up
#12
José Francisco Gaviño Orduña, Javier Caviedes-Bucheli, María C Manzanares Céspedes, Esther Berástegui Jimeno, Benjamín Martín Biedma, Juan José Segura-Egea, José López-López
INTRODUCTION: Regenerative endodontic procedures (REP) are a promising alternative for necrotic immature teeth in adolescents and children, but very little evidence is available on this alternative in long-lasting necrotic teeth with open apices in adults. REPs are designed to replace damaged structures of the pulp-dentin complex, but no regeneration has been obtained in any of the cases described in necrotic immature permanent teeth with apical periodontitis with histologic results. The results are limited to periapical tissue repair with increasing root length, thickening of the root walls, and apical closure in young patients...
August 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28611369/enhanced-chondrogenesis-of-bone-marrow-derived-stem-cells-by-using-a-combinatory-cell-therapy-strategy-with-bmp-2-tgf-%C3%AE-1-hypoxia-and-col1a1-htra1-sirnas
#13
Florence Legendre, David Ollitrault, Tangni Gomez-Leduc, Mouloud Bouyoucef, Magalie Hervieu, Nicolas Gruchy, Frédéric Mallein-Gerin, Sylvain Leclercq, Magali Demoor, Philippe Galéra
Mesenchymal stem cells (MSCs) hold promise for cartilage engineering. Here, we aimed to determine the best culture conditions to induce chondrogenesis of MSCs isolated from bone marrow (BM) of aged osteoarthritis (OA) patients. We showed that these BM-MSCs proliferate slowly, are not uniformly positive for stem cell markers, and maintain their multilineage potential throughout multiple passages. The chondrogenic lineage of BM-MSCs was induced in collagen scaffolds, under normoxia or hypoxia, by BMP-2 and/or TGF-β1...
June 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28606650/low-level-laser-therapy-accelerates-the-extracellular-matrix-reorganization-of-inflamed-tendon
#14
Flávia Da Ré Guerra, Cristiano Pedrozo Vieira, Petrus Pires Marques, Letícia Prado Oliveira, Edson Rosa Pimentel
In tendon lesions, inflammation indicates the beginning of tissue repair and influences cell proliferation and the remodeling of the extracellular matrix (ECM). Low level laser (LLL) therapy has been an important method to induce tissue repair, and several studies have sought to better understand the therapeutic possibilities of this modality. This study analyzed the effect of LLL on the ECM of rat tendons during the early phase of the inflammatory process. Wistar rats received an intratendinous application of carrageenan adjacent to the osteotendinous region in the right paw...
June 3, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28546006/atrial-myofibroblast-activation-and-connective-tissue-formation-in-a-porcine-model-of-atrial-fibrillation-and-reduced-left-ventricular-function
#15
Patrick Lugenbiel, Fabian Wenz, Katharina Govorov, Pascal Syren, Hugo A Katus, Dierk Thomas
AIMS: Atrial fibrillation (AF) is associated with fibrosis that slows electrical conduction and causes perpetuation of the arrhythmia. The molecular characterization of AF pathophysiology may provide novel therapeutic options. This study was designed to elucidate profibrotic signaling and myofibroblast activation in a porcine model of atrial tachypacing-induced AF and reduced left ventricular function. MATERIALS AND METHODS: Ten domestic pigs were randomized to sinus rhythm (SR) or AF groups...
July 15, 2017: Life Sciences
https://www.readbyqxmd.com/read/28538876/combination-therapy-with-butyrate-and-docosahexaenoic-acid-for-keloid-fibrogenesis-an-in-vitro-study
#16
Kazuhiro Torii, Noriaki Maeshige, Michiko Aoyama-Ishikawa, Makoto Miyoshi, Hiroto Terashi, Makoto Usami
Background: A single, effective therapeutic regimen for keloids has not been established yet, and the development of novel therapeutic approaches is expected. Butyrate, a short-chain fatty acid, and docosahexaenoic acid (DHA), a ω-3 polyunsaturated fatty acid, play multiple anti-inflammatory and anticancer roles via their respective mechanisms of action. Objective: In this study, we evaluated the antifibrogenic effects of their single and combined use on keloid fibroblasts...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28513058/pro-myogenic-and-low-oxygen-culture-increases-expression-of-contractile-smooth-muscle-markers-in-human-fibroblasts
#17
Matija Veber, David Dolivo, Marsha Rolle, Tanja Dominko
Smooth muscle cells are essential for tissue engineering strategies to fabricate organs such as blood vessels, esophagus, and bladder, and to create disease models of these systems. In order for such therapies and models to be feasible, smooth muscle cells must be sourced effectively to enable production of large numbers of functional cells. In vitro, smooth muscle cells divide slowly and demonstrate short proliferative lifespans compared to other types of cells including stem cells and fibroblasts, limiting the number of cells that can be derived from expansion in culture of a primary isolation...
May 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28487960/sulforaphane-prevents-bleomycin%C3%A2-induced-pulmonary-fibrosis-in-mice-by-inhibiting-oxidative-stress-via-nuclear-factor-erythroid-2%C3%A2-related-factor%C3%A2-2-activation
#18
Bingdi Yan, Zhongsen Ma, Shaomin Shi, Yuxin Hu, Tiangang Ma, Gao Rong, Junling Yang
Lung fibrosis is associated with inflammation, apoptosis and oxidative damage. The transcription factor nuclear factor erythroid 2‑related factor‑2 (Nrf2) prevents damage to cells from oxidative stress by regulating the expression of antioxidant proteins. Sulforaphane (SFN), an Nrf2 activator, additionally regulates excessive oxidative stress by promoting the expression of endogenous antioxidants. The present study investigated if SFN protects against lung injury induced by bleomycin (BLM). The secondary aim of the present study was to assess if this protection mechanism involves upregulation of Nrf2 and its downstream antioxidants...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28448588/allogeneic-pasc-transplantation-in-humanized-pigs-attenuates-cardiac-remodeling-post-myocardial-infarction
#19
Rafael Dariolli, Marcus V Naghetini, Euclydes F Marques, Celso K Takimura, Leonardo S Jensen, Bianca Kiers, Jeane M Tsutsui, Wilson Mathias, Pedro A Lemos Neto, Jose E Krieger
Cell therapy repair strategies using adult mesenchymal stromal cells have shown promising evidence to prevent cardiac deterioration in rodents even in the absence of robust differentiation of the cells into cardiomyocytes. We tested whether increasing doses of porcine adipose-tissue derived mesenchymal stem cells (pASCs) increase cardiac tissue perfusion in pigs post-myocardial infarction (MI) receiving angiotensin-converting-enzyme inhibitor (ACE inhibitors) and Beta-blockers similarly to patients. Female pigs were subjected to MI induction by sponge permanent occlusion of left circumflex coronary artery (LCx) generating approximately 10% of injured LV area with minimum hemodynamic impact...
2017: PloS One
https://www.readbyqxmd.com/read/28440556/direct-hemoperfusion-with-polymyxin-b-immobilized-fibre-treatment-for-acute-exacerbation-of-interstitial-pneumonia
#20
Haruhiko Furusawa, Makiko Sugiura, Chieko Mitaka, Naohiko Inase
BACKGROUND AND OBJECTIVE: Acute exacerbation of idiopathic pulmonary fibrosis (AE-IPF) is recognized as an important cause of mortality. AE has also been reported in patients with other interstitial lung diseases such as idiopathic non-specific interstitial pneumonia (NSIP) and interstitial pneumonia associated with collagen vascular disease (CVD). Current therapies such as high-dose corticosteroid with immunosuppressive agents have provided little benefit for AE. Direct hemoperfusion (DHP) with a polymyxin B-immobilized fibre column (PMX) was originally developed for the treatment of endotoxaemia...
April 25, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
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