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fibroblast growth factor

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https://www.readbyqxmd.com/read/28734240/decreased-levels-of-serum-fibroblast-growth-factor-2-in-children-with-autism-spectrum-disorder
#1
Erman Esnafoglu, Sema Nur Ayyıldız
The neurodevelopment and functioning of the central nervous system, and especially the cerebral cortex, have basic importance to understand neuropsychiatric disorders like autism. Fibroblast growth factor-2 (FGF-2) plays a very important role in the development and functioning of the cortex. FGF-2 is related to developmental processes in the central nervous system such as neurogenesis, migration, differentiation and survival. This study researched the serum FGF-2 levels in children with autism spectrum disorder (ASD)...
July 14, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28732140/fibroblast-growth-factor-2-fgf2-is-present-in-human-spermatozoa-and-is-related-with-sperm-motility-the-use-of-recombinant-fgf2-to-improve-motile-sperm-recovery
#2
D J Garbarino Azúa, L Saucedo, S Giordana, M L Magri, M G Buffone, F Neuspiller, M H Vazquez-Levin, C I Marín-Briggiler
Fibroblast growth factors (FGFs) and their receptors (FGFRs) regulate several functions of somatic cells. In a previous work, we reported FGFR expression in human spermatozoa and their involvement in motility. This study aimed to evaluate the presence and localization of fibroblast growth factor 2 (FGF2) in human spermatozoa, to determine the relationship of FGF2 levels with conventional semen parameters and to assess the effect of recombinant FGF2 (rFGF2) on sperm recovery in a selection procedure. Western immunoblotting analysis using an antibody against FGF2 revealed an 18-kDa band in sperm protein extracts...
July 21, 2017: Andrology
https://www.readbyqxmd.com/read/28731126/mir%C3%A2-132-in-atrial-fibrillation-directly-targets-connective-tissue-growth-factor
#3
Gang Qiao, Dongsheng Xia, Zhaoyun Cheng, Guobao Zhang
Atrial fibrillation (AF) is the most frequently occurring, persistent cardiac arrhythmia, and the hallmark of AF‑dependent structural remodeling is atrial fibrosis. Connective tissue growth factor (CTGF) is important in the process of fibrosis. The association between miRNA and CTGF in AF‑dependent fibrosis remains to be elucidated. The present study aimed to determine if microRNA (miR)‑132 was able to regulate CTGF with an anti‑fibrotic effect in AF. A total of ten dogs or patients were assigned to control (n=4) and AF groups (n=6)...
July 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28730625/fgf9-mutation-causes-craniosynostosis-along-with-multiple-synostoses
#4
Maria Rodriguez-Zabala, Miriam Aza-Carmona, Carlos I Rivera-Pedroza, Alberta Belinchón, Isabel Guerrero-Zapata, Jimena Barraza-García, Elena Vallespin, Min Lu, Angela Del Pozo, Marc J Glucksman, Fernando Santos-Simarro, Karen E Heath
Craniosynostosis is commonly caused by mutations in fibroblast growth factor receptors, highlighting the essential role of FGF-mediated signalling in skeletal development. We set out to identify the molecular defect in a family referred for craniosynostosis and in whom no mutation was previously detected. Using Next-generation sequencing, we identified a novel missense mutation in FGF9. Modelling based upon the crystal structure and functional studies confirmed its pathogenicity showing that it impaired homodimerization and FGFR3 binding...
July 21, 2017: Human Mutation
https://www.readbyqxmd.com/read/28730510/antiinflammation-and-antioxidant-effects-of-thalidomide-on-pulmonary-fibrosis-in-mice-and-human-lung-fibroblasts
#5
Xiaoying Dong, Xin Li, Minghui Li, Ming Chen, Qian Fan, Wei Wei
In this study, the potential effects of thalidomide (Thal) on bleomycin (BLM)-induced pulmonary fibrosis were investigated. BALB/C mice model of pulmonary fibrosis induced by an intratracheal instillation of BLM was adopted, and then was intraperitoneally injected with Thal (10, 20, 50 mg/kg) daily for 8 days, while the control and BLM-treated mouse groups were injected with a saline solution. The effects of Thal on pulmonary injury were evaluated by the lung wet/dry weight ratios and histopathological examination...
July 20, 2017: Inflammation
https://www.readbyqxmd.com/read/28730103/expressions-of-tgf-%C3%AE-2-bfgf-and-icam-1-in-lens-epithelial-cells-of-complicated-cataract-with-silicone-oil-tamponade
#6
Bei Liu, Jing Gao, Bo-Chang Lyu, Shan-Shuang Du, Cheng Pei, Zhong-Qiao Zhu, Bo Ma
AIM: To investigate the expression differences of transforming growth factor-β2 (TGF-β2), basic fibroblast growth factor (bFGF) and intercellular cell-adhesion molecule-1 (ICAM-1) in lens epithelial cells (LECs) of complicated cataract with silicone oil tamponade and age-related cataract. METHODS: Totally 150 eyes of 150 patients (aged 35 to 77y) were investigated, including 75 patients with complicated cataract after silicone oil tamponade and 75 patients with age-related cataract...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28729691/lowered-fasting-chenodeoxycholic-acid-correlated-with-the-decrease-of-fibroblast-growth-factor-19-in-chinese-subjects-with-impaired-fasting-glucose
#7
Jing Zhang, Huating Li, Hu Zhou, Li Fang, Jingjing Xu, Han Yan, Shuqin Chen, Qianqian Song, Yinan Zhang, Aimin Xu, Qichen Fang, Yang Ye, Weiping Jia
The gut-derived hormone Fibroblast growth factor 19 (FGF19) could regulate glucose metabolism and is induced by bile acids (BAs) through activating Farnesoid X Receptor (FXR). FGF19 was found to decrease in subjects with isolated-impaired fasting glucose (I-IFG) and type 2 diabetes mellitus (T2DM). However, the reason for the change of FGF19 in subjects with different glucometabolic status remained unclear. Here we measured six BAs including chenodeoxycholic acid (CDCA), cholic acid, deoxycholic acid, their glycine conjugates and FGF19 levels during oral glucose tolerance test (OGTT) in normal glucose tolerance (NGT), isolated-impaired glucose tolerance, I-IFG, combined glucose intolerance (CGI) and T2DM subjects...
July 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28729482/brca1-and-brca2-tumor-suppressors-protect-against-endogenous-acetaldehyde-toxicity
#8
Eliana Mc Tacconi, Xianning Lai, Cecilia Folio, Manuela Porru, Gijs Zonderland, Sophie Badie, Johanna Michl, Irene Sechi, Mélanie Rogier, Verónica Matía García, Ankita Sati Batra, Oscar M Rueda, Peter Bouwman, Jos Jonkers, Anderson Ryan, Bernardo Reina-San-Martin, Joannie Hui, Nelson Tang, Alejandra Bruna, Annamaria Biroccio, Madalena Tarsounas
Maintenance of genome integrity requires the functional interplay between Fanconi anemia (FA) and homologous recombination (HR) repair pathways. Endogenous acetaldehyde, a product of cellular metabolism, is a potent source of DNA damage, particularly toxic to cells and mice lacking the FA protein FANCD2. Here, we investigate whether HR-compromised cells are sensitive to acetaldehyde, similarly to FANCD2-deficient cells. We demonstrate that inactivation of HR factors BRCA1, BRCA2, or RAD51 hypersensitizes cells to acetaldehyde treatment, in spite of the FA pathway being functional...
July 20, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28729349/fgf9-prevents-pleural-fibrosis-induced-by-intra-pleural-adenovirus-injection-in-mice
#9
Aurélien Justet, Audrey Joannes, Valérie Besnard, Joëlle Marchal-Sommé, Madeleine Jaillet, Phillippe Bonniaud, Jean-Michel Sallenave, Brigitte Solhonne, Yves Castier, Pierre Mordant, Hervé Mal, Aurélie Cazes, Raphael Borie, Arnaud A Mailleux, Bruno Crestani
Fibroblast Growth Factor 9 (FGF9) is necessary for fetal lung development and is expressed by epithelium and mesothelium. We evaluated the role of FGF9 overexpression on adenoviral-induced pleural injury in vivo and determined the biological effects of FGF9 on mesothelial cells in vitro. We assessed the expression of FGF9 and FGF receptors by mesothelial cells in both Human and mouse lungs. Intrapleural injection of an adenovirus expressing human FGF9 (AdFGF9) or a control adenovirus (Adcont) was performed...
July 20, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28729346/distinct-pka-regulatory-subunits-mediate-pge2-inhibition-of-tgf%C3%AE-1-stimulated-collagen-i-translation-and-myofibroblast-differentiation
#10
Scott H Wettlaufer, L Raghu Penke, Katsuhide Okunishi, Marc Peters-Golden
Prostaglandin E2 (PGE2), via cAMP signaling, inhibits a variety of fibroblast functions relevant to fibrogenesis. Among these are their translation of collagen I protein and their differentiation to myofibroblasts. PKA is central to these actions, with cAMP binding to regulatory (R) subunits leading to the release of catalytic subunits. Here we examined the role of specific PKAR subunit isoforms in these inhibitory actions in transforming growth factorβ-1 (TGFβ-1)-stimulated human lung fibroblasts (HLFs)...
July 20, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28729000/airway-microbiota-signals-anabolic-and-catabolic-remodeling-in-the-transplanted-lung
#11
Stéphane Mouraux, Eric Bernasconi, Céline Pattaroni, Angela Koutsokera, John-David Aubert, Johanna Claustre, Christophe Pison, Pierre-Joseph Royer, Antoine Magnan, Romain Kessler, Christian Benden, Paola M Soccal, Benjamin J Marsland, Laurent P Nicod
BACKGROUND: Homeostatic turnover of the extracellular matrix conditions the structure and function of the healthy lung. In lung transplantation, long-term management remains limited by Chronic Lung Allograft Dysfunction (CLAD), an umbrella term used for a heterogeneous entity ultimately associated with pathological airway and/or parenchyma remodeling. OBJECTIVE: To assess whether the local cross-talk between the pulmonary microbiota and host cells is a key determinant in the control of lower airway remodeling post-transplantation...
July 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28728941/comparison-of-calcimimetic-r568-and-calcitriol-in-mineral-homeostasis-in-the-hyp-mouse-a-murine-homolog-of-x-linked-hypophosphatemia
#12
Maren Leifheit-Nestler, Julia Kucka, Emi Yoshizawa, Geert Behets, Patrick D'Haese, Christian Bergen, Martin Meier, Dagmar-Christiane Fischer, Dieter Haffner
X-linked hypophosphatemia (XLH) caused by mutations in the Phex gene is the most common human inherited phosphate wasting disorder characterized by enhanced synthesis of fibroblast growth factor 23 (FGF23) in bone, renal phosphate wasting, 1,25(OH)2D3 (1,25D) deficiency, rickets and osteomalacia. Here we studied the effects of calcimimetic R568 and calcitriol treatment in the Hyp mouse, a murine homolog of XLH. We hypothesized that mineral homeostasis is differentially affected by R568 and 1,25D with respect to the PTH-vitamin D-FGF23-Klotho axis and bone health...
July 17, 2017: Bone
https://www.readbyqxmd.com/read/28728751/a-phase-ii-evaluation-of-brivanib-in-the-treatment-of-persistent-or-recurrent-carcinoma-of-the-cervix-an-nrg-oncology-gynecologic-oncology-group-study
#13
John K Chan, Wei Deng, Robert V Higgins, Krishnansu S Tewari, Albert J Bonebrake, Michael Hicks, Stephanie Gaillard, Pedro T Ramirez, Weldon Chafe, Bradley J Monk, Carol Aghajanian
BACKGROUND: Brivanib is an oral, tyrosine kinase inhibitor against vascular endothelial growth factor (VEGF) and fibroblast growth factor receptor (FGFR). We studied its efficacy and tolerability in persistent or recurrent cervical cancer patients. METHODS: Eligible patients had at least one prior cytotoxic regimen for recurrence and with measurable disease. Brivanib 800mg was administered orally every day (1cycle=28days) until disease progression or prohibitive toxicity...
July 17, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28727496/modulation-of-vegf-induced-migration-and-network-formation-by-lymphatic-endothelial-cells-roles-of-platelets-and-podoplanin
#14
Stacey A Langan, Leyre Navarro-Núñez, Steve P Watson, Gerard B Nash
Lymphatic endothelial cells (LEC) express the transmembrane receptor podoplanin whose only known endogenous ligand CLEC-2 is found on platelets. Both podoplanin and CLEC-2 are required for normal lymphangiogenesis as mice lacking either protein develop a blood-lymphatic mixing phenotype. We investigated the roles of podoplanin and its interaction with platelets in migration and tube formation by LEC. Addition of platelets or antibody-mediated crosslinking of podoplanin inhibited LEC migration induced by vascular endothelial growth factors (VEGF-A or VEGF-C), but did not modify basal migration or the response to basic fibroblast growth factor or epidermal growth factor...
July 20, 2017: Platelets
https://www.readbyqxmd.com/read/28727005/rapid-communication-generation-of-fgf5-knockout-sheep-via-the-crispr-cas9-system
#15
R Hu, Z Y Fan, B Y Wang, S L Deng, X S Zhang, J L Zhang, H B Han, Z X Lian
Sheep are an important source of fiber production. Fibroblast growth factor 5 (FGF5) is a dominant inhibitor of length of the anagen phase of the hair cycle. Knockout or silencing of the gene results in a wooly coat in mice, donkeys, dogs, and rabbits. In sheep breeding, wool length is one of the most important wool quality traits. However, traditional breeding cannot accurately and efficiently mediate an advanced genotype into the sheep genome. In this study, we generated 3 knockout sheep via the 1-step clustered regularly interspaced short palindromic repeat (CRISPR)/Cas9 system...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28726976/absence-of-transforming-growth-factor-beta-1-in-murine-platelets-reduces-neointima-formation-without-affecting-arterial-thrombosis
#16
Katrin Schaefer, Eva Schütz, Magdalena L Bochenek, Dennis R Riehl, Markus Bosmann, Thomas Münzel, Stavros Konstantinides, Katrin Schäfer
Platelet degranulation at the site of vascular injury prevents bleeding and may affect the chronic vascular wound healing response. Transforming Growth Factor (TGF)-β1 is a major component of platelet α-granules known to accumulating in thrombi. It was our aim to determine the role of TGFβ1 released from activated platelets for neointima formation following arterial injury and thrombosis. Mice with platelet-specific deletion of TGFβ1 (Plt.TGFβ-KO) underwent carotid artery injury. Immunoassays confirmed the absence of active TGFβ1 in platelet releasates and plasma of Plt...
July 20, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28726779/maml1-acts-cooperatively-with-gli-proteins-to-regulate-sonic-hedgehog-signaling-pathway
#17
Roberta Quaranta, Maria Pelullo, Sabrina Zema, Francesca Nardozza, Saula Checquolo, Dieter Matthias Lauer, Francesca Bufalieri, Rocco Palermo, Maria Pia Felli, Alessandra Vacca, Claudio Talora, Lucia Di Marcotullio, Isabella Screpanti, Diana Bellavia
Sonic hedgehog (Shh) signaling is essential for proliferation of cerebellar granule cell progenitors (GCPs) and its misregulation is linked to various disorders, including cerebellar cancer medulloblastoma. The effects of Shh pathway are mediated by the Gli family of transcription factors, which controls the expression of a number of target genes, including Gli1. Here, we identify Mastermind-like 1 (Maml1) as a novel regulator of the Shh signaling since it interacts with Gli proteins, working as a potent transcriptional coactivator...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28724653/haplodeficiency-of-ataxia-telangiectasia-mutated-accelerates-heart-failure-after-myocardial-infarction
#18
Lixin Jia, Wenmei Zhang, Youcai Ma, Boya Chen, Yan Liu, Chunmei Piao, Yuan Wang, Min Yang, Tingting Liu, Junmeng Zhang, Taotao Li, Shaoping Nie, Jie Du
BACKGROUND: Cell senescence is involved in the process of organ damage and repair; however, the underlying molecular mechanism needs to be further explored. METHODS AND RESULTS: Senescence-related genes (ie, p21, p53, and ataxia telangiectasia mutated [ATM]) were shown to be elevated after myocardial infarction (MI) in both mouse and human hearts. Ten- to 12-week-old male wild-type littermates (ATM(+/+)) and ATM heterozygous mice (ATM(+/-)) were subjected to MI...
July 19, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28724055/bone-turnover-after-bariatric-surgery
#19
Thalita Lima Melo, Leila Froeder, Leandro da Cunha Baia, Ita Pfeferman Heilberg
Objective: The aim of the present study was to evaluate parameters of bone and mineral metabolism after bariatric surgery. Subjects and methods: This sectional study included data from medical records from 61 bariatric surgery (BS) patients (minimum period of 6 months after the procedure) and from 30 class II and III obese patients as a control group (Cont), consisting of daily dietary intake of macronutrients, calcium and sodium, serum 25(OH)D and parathyroid hormone (PTH) and other biochemical serum and urinary parameters...
July 13, 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28722655/key-steps-in-unconventional-secretion-of-fibroblast-growth-factor-2-reconstituted-with-purified-components
#20
Julia P Steringer, Sascha Lange, Sabína Čujová, Radek Šachl, Chetan Poojari, Fabio Lolicato, Oliver Beutel, Hans-Michael Müller, Sebastian Unger, Ünal Coskun, Alf Honigmann, Ilpo Vattulainen, Martin Hof, Christian Freund, Walter Nickel
FGF2 is secreted from cells by an unconventional secretory pathway. This process is mediated by direct translocation across the plasma membrane. Here, we define the minimal molecular machinery required for FGF2 membrane translocation in a fully reconstituted inside-out vesicle system. FGF2 membrane translocation is thermodynamically driven by PI(4,5)P2-induced membrane insertion of FGF2 oligomers. The latter serve as dynamic translocation intermediates of FGF2 with a subunit number in the range of 8-12 FGF2 molecules...
July 19, 2017: ELife
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