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cyclosporine fibroblast

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https://www.readbyqxmd.com/read/27857765/effect-of-cyclosporin-a-and-angiotensin-ii-on-cytosolic-calcium-levels-in-primary-human-gingival-fibroblasts
#1
Ajitkumar Supraja, Murugan Girija Dinesh, Subbarayan Rajasekaran, Thodur Madapusi Balaji, Suresh Ranga Rao
BACKGROUND: To evaluate the effect of Cyclosporin A (CsA) and angiotensin II (Ang II) on cytosolic calcium levels in cultured human gingival fibroblasts (HGFs). MATERIALS AND METHODS: Healthy gingival samples from six volunteers were obtained, and primary HGFs were cultured. Cell viability and proliferation assay were performed to identify the ideal concentrations of CsA and Ang II. Cytosolic calcium levels in cultured gingival fibroblasts treated with CsA and Ang II were studied using colorimetric assay, confocal and fluorescence imaging...
September 2016: Dental Research Journal
https://www.readbyqxmd.com/read/27742194/fibroblast-growth-factor-23-fueling-the-fire
#2
Mark Hanudel, Harald Jüppner, Isidro B Salusky
In chronic kidney disease, systemic inflammation is common and associated with mortality. The present study demonstrates that fibroblast growth factor 23 (FGF23) contributes to uremic inflammation by increasing hepatic expression and secretion of inflammatory cytokines. FGF23 binds to hepatic FGFR4, inducing calcineurin/nuclear factor of activated T-cell signaling, resulting in increased expression of interleukin 6 and C-reactive protein. The proinflammatory effects of FGF23 are inhibited by an isoform-specific FGFR4 blocking antibody and by cyclosporine, a calcineurin inhibitor...
November 2016: Kidney International
https://www.readbyqxmd.com/read/27732750/activin-inhibition-limits-early-innate-immune-response-in-rat-kidney-allografts-a-pilot-study
#3
Niina K Palin, Johanna Savikko, Arja Pasternack, Jukka M Rintala, Bhanu Kalra, Shivani Mistry, Ajay Kumar, Marie-Paule Roth, Heikki Helin, Olli Ritvos
BACKGROUND: Activins are members of the TGF-beta superfamily of cytokines. They play critical roles in the onset of acute and chronic inflammatory responses. The aim of this study was to investigate how activin inhibition affects acute kidney injury and inflammation after transplantation. METHODS: The study was done in kidney transplantation and renal ischemia-reperfusion models in the rat. Soluble activin type 2 receptor (sActRIIB-Fc) was used to inhibit activin signaling...
October 12, 2016: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/27569941/bone-disease-and-serum-fibroblast-growth-factor-23-levels-in-renal-transplant-recipients
#4
Y Coskun, S Paydas, M Balal, S Soyupak, E Kara
BACKGROUND: Posttransplantation bone disease develops commonly and results in important complications. In this study, we aimed to investigate the relationship between bone diseases and serum fibroblast growth factor-23 (FGF-23) in renal transplant recipients. METHODS: This study was conducted in 106 kidney transplant recipients (KTrs; group G1) and 30 patients with chronic kidney disease (group G2). Patients with fever, heart failure, angina pectoris, acute renal failure, malignant disease, or any gastrointestinal disease were excluded...
July 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27507048/quercetin-induced-ros-production-triggers-mitochondrial-cell-death-of-human-embryonic-stem-cells
#5
So-Yeon Kim, Ho-Chang Jeong, Soon-Ki Hong, Mi-Ok Lee, Seung-Ju Cho, Hyuk-Jin Cha
Small molecules to selectively induce cell death of undifferentiated human pluripotent stem cells (hPSCs) have been developed with the aim of lowering the risk of teratoma formation during hPSC-based cell therapy. In this context, we have reported that Quercetin (QC) induces cell death selectively in hESCs via p53 mitochondrial localization. However, the detailed molecular mechanism by which hESCs undergo selective cell death induced by QC remains unclear.Herein, we demonstrate that mitochondrial reactive oxygen species (ROS), strongly induced by QC in human embryonic stem cells (hESCs) but not in human dermal fibroblasts (hDFs), were responsible for QC-mediated hESC's cell death...
August 5, 2016: Oncotarget
https://www.readbyqxmd.com/read/27503462/prosurvival-factors-improve-functional-engraftment-of-myogenically-converted-dermal-cells-into-dystrophic-skeletal-muscle
#6
Lindsey A Muir, Charles E Murry, Jeffrey S Chamberlain
In Duchenne muscular dystrophy (DMD) and other muscle wasting disorders, cell therapies are a promising route for promoting muscle regeneration by supplying a functional copy of the missing dystrophin gene and contributing new muscle fibers. The clinical application of cell-based therapies is resource intensive, and it will therefore be necessary to address key limitations that reduce cell engraftment into muscle tissue. A pressing issue is poor donor cell survival following transplantation, which in preclinical studies limits the ability to effectively test the impact of cell-based therapy on whole muscle function...
September 7, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27294432/crosstalk-between-human-monocytic-u937-cells-and-gingival-fibroblasts-in-coculturally-enhanced-matrix-metalloproteinase-2-expression
#7
Po-Jan Kuo, Hsiao-Lun Lin, Chi-Yu Lin, Yu-Tang Chin, Hsiao-Pei Tu, Tat-Ming Lai, Hsien-Chung Chiu, Earl Fu
BACKGROUND: Matrix metalloproteinases (MMPs) play a key role in inflammatory periodontal disease. Synergistically enhanced MMP-2 expression in a coculture of human gingival fibroblasts (HGFs) and human monocytic U937 cells was observed. Crosstalk between these two cells via the extracellular matrix metalloproteinase inducer (EMMPRIN) was demonstrated. METHODS: Enzyme levels of MMP-2 in HGFs and direct coculture with U937 were examined by zymography. MMP-2 and EMMPRIN expressions of HGFs and U937 were determined in coculture and conditioned cultures (using supernatants from HGF- or U937-conditioned medium)...
October 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27277804/olfactory-ensheathing-cell-transplantation-after-a-complete-spinal-cord-transection-mediates-neuroprotective-and-immunomodulatory-mechanisms-to-facilitate-regeneration
#8
Rana R Khankan, Khris G Griffis, James R Haggerty-Skeans, Hui Zhong, Roland R Roy, V Reggie Edgerton, Patricia E Phelps
UNLABELLED: Multiple neural and peripheral cell types rapidly respond to tissue damage after spinal cord injury to form a structurally and chemically inhibitory scar that limits axon regeneration. Astrocytes form an astroglial scar and produce chondroitin sulfate proteoglycans (CSPGs), activate microglia, and recruit blood-derived immune cells to the lesion for debris removal. One beneficial therapy, olfactory ensheathing cell (OEC) transplantation, results in functional improvements and promotes axon regeneration after spinal cord injury...
June 8, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27207056/development-of-a-novel-csa-plga-drug-delivery-system-based-on-a-glaucoma-drainage-device-for-the-prevention-of-postoperative-fibrosis
#9
Zhaoxing Dai, Xiaobo Yu, Jiaxu Hong, Xi Liu, Jianguo Sun, Xinghuai Sun
The formation of a scar after glaucoma surgery often leads to unsuccessful control of intraocular pressure, and should be prevented by using a variety of methods. We designed and developed a novel drug delivery system (DDS) comprising cyclosporine A (CsA) and poly(lactic-co-glycolic acid) (PLGA) based on a glaucoma drainage device (GDD) that can continuously release CsA to prevent postoperative fibrosis following glaucoma surgery. The CsA@PLGA@GDD DDS was observed by field emission scanning electron microscopy and revealed an asymmetric pore structure...
September 1, 2016: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27206490/influence-of-mtor-inhibitors-and-mycophenolic-acid-on-human-cholangiocellular-carcinoma-and-cancer-associated-fibroblasts
#10
Nils Heits, Tillmann Heinze, Alexander Bernsmeier, Jannik Kerber, Charlotte Hauser, Thomas Becker, Holger Kalthoff, Jan-Hendrik Egberts, Felix Braun
BACKGROUND: The incidence of Cholangiocellular Carcinoma (CCA) is increasing in the western world. The tumour has a high proportion of desmoplastic stroma and is correlated with a worse prognosis when cancer associated myofibroblasts (CAFs) are present. Recent studies showed promising results after liver transplantation (LTx) in non-resectable early stage CCA. Mycophenolic acid (MPA) and the mTor inhibitor Everolimus are used to prevent organ rejection but recently were shown to exhibit an antiproliferative effect on CCA-cells...
2016: BMC Cancer
https://www.readbyqxmd.com/read/27008801/cyclosporin-a-affects-the-proliferation-process-in-normal-human-dermal-fibroblasts
#11
Grazyna Janikowska, Tomasz Janikowsk, Alina Pyka, Adam Wilczok, Urszula Mazurek
Cyclosporin A is an immunosuppressant drug that is used not only in solid transplant rejection, but also in moderate and severe forms of psoriasis, pyoderma, lupus or arthritis. Serious side effects of the drug such as skin cancer or gingival hyperplasia probably start with the latent proliferation process. Little is known about the influence of cyclosporin A on molecular signaling in epidermal tissue. Thus, the aim of this study was to estimate the influence of cyclosporin A on the process of proliferation in normal human dermal fibroblasts...
January 2016: Acta Poloniae Pharmaceutica
https://www.readbyqxmd.com/read/26709790/phenylephrine-promotes-cardiac-fibroblast-proliferation-through-calcineurin-nfat-pathway
#12
Jing Wang, Yibing Wang, Wei Zhang, Xi Zhao, Xiangfan Chen, Wenyan Xiao, Lingling Zhang, Yunxuan Chen, Weizhong Zhu
Ca(2+)/calmodulin-dependent calcineurin (CaN) plays an important role in various Ca(+2) signaling pathways, among which are those involved in cardiac diseases. It has also been shown that a heightened sympathetic tone accelerates the development of heart failure. The present study investigates whether the CaN-mediated nuclear factor of activated T-cells (NFAT) pathway is involved in cultured neonatal rat cardiac fibroblast proliferation induced by phenylephrine. CF proliferation was assessed by a cell survival assay and cell counts...
January 1, 2016: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/26691272/elevated-snail-expression-in-human-gingival-fibroblasts-by-cyclosporine-a-as-the-possible-pathogenesis-for-gingival-overgrowth
#13
Yi-Hung Lin, Cheng-Chia Yu, Shiuan-Shinn Lee, Yu-Chao Chang
BACKGROUND/PURPOSE: Cyclosporine A (CsA) is used as an immunosuppressive agent, and its prominent side effect is the induction of gingival overgrowth. Snail is a master regulator of epithelial-mesenchymal transition (EMT). EMT under pathological processes could lead to fibrotic changes. The purpose of this study was to investigate the role of Snail in the pathogenesis of CsA-induced gingival overgrowth. METHODS: The effect of CsA on normal human gingival fibroblasts (HGFs) was used to elucidate whether Snail expression could be induced by CsA by using quantitative real-time reverse transcription-polymerase chain reaction and western blot...
December 2015: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/26598188/-effect-of-cyclosporine-a-on-tgf-%C3%AE-smad3-signaling-in-rat-gingival-fibroblasts
#14
Jia-lu Chen, You-cheng Yu, Yi-ming Gong, Fei Yang
PURPOSE: The aim of the study was to investigate the effect of cyclosporine A (CsA) on TGF-β/Smad3 signaling in rat gingival fibroblasts and to explore the mechanism of CsA induced gingival overgrowth. METHODS: Healthy Sprague-Dawley rat gingival fibroblasts were cultured with different concentrations of CsA and the cell proliferations were assessed with CCK-8 assay. The mRNA levels of TGF-β1, Smad3 and collagen I were measured by real-time PCR. The protein level of TGF-β1, Smad3, p-Smad3 and collagen I were determined using western blot and immumofluorescence...
October 2015: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/26439431/treatment-of-dystrophic-epidermolysis-bullosa-with-bone-marrow-non-hematopoeitic-stem-cells-a-randomized-controlled-trial
#15
Mohammad El-Darouti, Marwa Fawzy, Iman Amin, Rania Abdel Hay, Rehab Hegazy, Hala Gabr, Zeinab El Maadawi
Patients with dystrophic epidermolysis bullosa (DEB) have mutations in type VII collagen gene. Type VII collagen is synthesized by keratinocytes and fibroblasts. Based on the ability of bone marrow non-hematopoeitic stem cells (NHBMSC) to develop into fibroblasts, we decided to investigate the use of NHBMSC in the treatment of recessive DEB (RDEB). This study included fourteen patients with RDEB; the first seven of them were given cyclosporine after the infusion of NHBMSC. As cyclosporine has been used for the treatment of RDEB we decided not to use cyclosporine for the second group of seven patients...
March 2016: Dermatologic Therapy
https://www.readbyqxmd.com/read/26260358/in-vitro-study-of-cyclosporine-a-0-05%C3%A2-on-primary-and-recurrent-pterygium-fibroblasts
#16
Magda Massae Hata Viveiros, Fabiano Yutaka Kakizaki, Laura Almeida Hércules, Carlos Roberto Padovani, João Manuel Grisi Candeias, Silvana Artioli Schellini
To compare the cyclosporine 0.05 % exposure effect on fibroblasts from primary and recurrent pterygium. Primary culture of fibroblasts from primary and recurrent pterygium was performed until the third passage, which was exposed to cyclosporine 0.05 % in a group and the other remaining unexposed (control group), in triplicates. After 3, 6, 12, and 17 days of exposure the viable cell counting was performed by hemocytometer. The results were statistically analyzed using the technique of analysis of non-parametric variance model for repeated measures with three factors...
April 2016: International Ophthalmology
https://www.readbyqxmd.com/read/26191219/ca2-calcineurin-signaling-is-involved-in-norepinephrine-induced-cardiac-fibroblasts-activation
#17
Chun-Jing Tian, Xiao Pang
Cardiac fibroblasts (CFs) activation plays a vital role in cardiac fibrosis. There are some studies demonstrate that norepinephrine (NE, an α1-adrenoceptor agonist) induced CFs proliferation. But whether Ca2+-calcineurin, a signaling concerned with growth and differentiation in various cell types, is participated in NE-induced CFs activation is unclear. In present study, we determined NE-induced CFs proliferation and differentiation, synthesis of collagen, and calcineurin (CaN) activity, and the effects of phentolamine (Phen, an α1-adrenoceptor antagonist), verapamil (Ver, a calcium channel blocker) and cyclosporine A (CsA, an inhibitor of CaN) on NE-induced CFs activation...
2015: International Journal of Clinical and Experimental Pathology
https://www.readbyqxmd.com/read/26057330/cyclosporine-a-downregulates-mmp-3-and-mmp-13-expression-in-cultured-pterygium-fibroblasts
#18
Yeoun-Hee Kim, Jae-Chang Jung, Soon-Young Jung, Yong Il Kim, Kyoo Won Lee, Young Jeung Park
PURPOSE: To investigate the regulation of matrix metalloproteinase (MMP)-3 and MMP-13 expression over time and in the presence of cyclosporine A (CsA) in primary cultured human pterygium fibroblasts. We also examined the effects of CsA on cultured human pterygium fibroblasts. METHODS: Primary cultured human pterygium fibroblasts subjected to scratch assays were exposed to 1 and 100 µg/mL of CsA for 3 or 10 minutes. Cells were washed with Dulbecco phosphate-buffered saline, and then incubated with serum-depleted Dulbecco modified Eagle medium/F-12 medium for 48 hours...
September 2015: Cornea
https://www.readbyqxmd.com/read/25857708/2-18-f-fluoroethylrhodamine-b-is-a-promising-radiotracer-to-measure-p-glycoprotein-function
#19
COMPARATIVE STUDY
György Trencsényi, István Kertész, Zoárd T Krasznai, Gábor Máté, Gábor Szalóki, P Szabó Judit, Levente Kárpáti, Zoltán Krasznai, Teréz Márián, Katalin Goda
In vivo detection of the emergence of P-glycoprotein (Pgp) mediated multidrug resistance in tumors could be beneficial for patients treated with anticancer drugs. PET technique in combination with appropriate radiotracers could be the most convenient method for detection of Pgp function. Rhodamine derivatives are validated fluorescent probes for measurement of mitochondrial membrane potential and also Pgp function. The aim of this study was to investigate whether 2'[(18)F]-fluoroethylrhodamine B ((18)FRB) a halogenated rhodamine derivative previously synthesized for PET assessment of myocardial perfusion preserved its Pgp substrate character...
July 10, 2015: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/25810601/recurrent-idiopathic-gingival-fibromatosis-with-generalized-aggressive-periodontitis-a-rare-case-report
#20
Ashwini Sudhakar Jadhav, Swati Pramodan Marathe
Gingival fibromatosis is an enlargement of the gingival tissue, which may be localized or generalized, characterized by hypertrophy and proliferation of the connective tissue, predominantly Type I collagen, with occasional presence of an increased number of cells, supposedly fibroblasts. Gingival fibromatosis occurs more commonly as a side- effect of systemic drugs, such as phenytoin, cyclosporine, nifedipine, or due to hereditary factors. However, in some cases, it is idiopathic. We report one such case in 30 -year- old - female who presented with a complaint of swelling of gums since 2 months...
January 2015: Journal of Indian Society of Periodontology
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