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FGF Receptor

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https://www.readbyqxmd.com/read/29212832/adenosine-a-2a-receptor-agonist-2-p-2-carboxyethyl-phenethylamino-5-n-ethylcarboxamidoadenosine-hydrochloride-hydrate-cgs21680-inhibits-inflammation-and-increases-fibroblast-growth-factor-2-fgf-2-tissue-expression-in-carrageenan-induced-rat-paw-edema
#1
Armando Ialenti, Elisabetta Caiazzo, Silvana Morello, Rosa Carnuccio, Carla Cicala
Adenosine is the final product of ATP metabolism, mainly derived from the action of 5'-nucleotidase cleavage of AMP. Cellular production of adenosine is greatly enhanced in inflamed tissues, ischemic tissues and under hypoxia, where ATP is released from damaged cells. Much evidence has been accumulated on adenosine antinflammatory effects mediated through A 2A receptor activation; A2A adenosine receptor has also been shown to play a role in matrix deposition and wound healing in a damaged tissue, contributing to dermal tissue protection and repair...
December 6, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29211968/men-and-women-differ-in-the-biochemical-composition-of-platelet-rich-plasma
#2
Grace Xiong, Nithya Lingampalli, Jayme C B Koltsov, Lawrence L Leung, Nidhi Bhutani, William H Robinson, Constance R Chu
BACKGROUND: Autologous platelet-rich plasma (PRP) is widely used for a variety of clinical applications. However, clinical outcome studies have not consistently shown positive effects. The composition of PRP differs based on many factors. An improved understanding of factors influencing the composition of PRP is important for the optimization of PRP use. HYPOTHESIS: Age and sex influence the PRP composition in healthy patients. STUDY DESIGN: Controlled laboratory study...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29206199/a-novel-receptor-tyrosine-kinase-switch-promotes-gastrointestinal-stromal-tumor-drug-resistance
#3
Sergei Boichuk, Aigul Galembikova, Pavel Dunaev, Elena Valeeva, Elena Shagimardanova, Oleg Gusev, Svetlana Khaiboullina
The fact that most gastrointestinal stromal tumors (GISTs) acquire resistance to imatinib (IM)-based targeted therapy remains the main driving force to identify novel molecular targets that are capable to increase GISTs sensitivity to the current therapeutic regimens. Secondary resistance to IM in GISTs typically occurs due to several mechanisms that include hemi- or homo-zygous deletion of the wild-type KIT allele, overexpression of focal adhesion kinase (FAK) and insulin-like growth factor receptor I (IGF-1R) amplification, BRAF mutation, a RTK switch (loss of c-KIT and gain of c-MET/AXL), etc...
December 5, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29199951/dephosphorylation-of-the-npr2-guanylyl-cyclase-contributes-to-inhibition-of-bone-growth-by-fibroblast-growth-factor
#4
Leia C Shuhaibar, Jerid W Robinson, Giulia Vigone, Ninna P Shuhaibar, Jeremy R Egbert, Valentina Baena, Tracy F Uliasz, Deborah Kaback, Siu-Pok Yee, Robert Feil, Melanie C Fisher, Caroline N Dealy, Lincoln R Potter, Laurinda A Jaffe
Activating mutations in fibroblast growth factor (FGF) receptor 3 and inactivating mutations in the NPR2 guanylyl cyclase both cause severe short stature, but how these two signaling systems interact to regulate bone growth is poorly understood. Here, we show that bone elongation is increased when NPR2 cannot be dephosphorylated and thus produces more cyclic GMP. By developing an in vivo imaging system to measure cyclic GMP production in intact tibia, we show that FGF-induced dephosphorylation of NPR2 decreases its guanylyl cyclase activity in growth plate chondrocytes in living bone...
December 4, 2017: ELife
https://www.readbyqxmd.com/read/29191392/cold-atmospheric-plasma-cap-activates-angiogenesis-related-molecules-in-skin-keratinocytes-fibroblasts-and-endothelial-cells-and-improves-wound-angiogenesis-in-an-autocrine-and-paracrine-mode
#5
Stephanie Arndt, Petra Unger, Mark Berneburg, Anja-Katrin Bosserhoff, Sigrid Karrer
BACKGROUND: Cold atmospheric plasma (CAP) emerged as a novel therapeutic field with applications developed for bacterial sterilization, wound healing and cancer treatment. For clinical implementation it is important to know how CAP works and which molecular changes occur after the CAP treatment. Vascularization is an important step during wound healing, however, the effects of CAP on wound angiogenesis are not well examined so far. Furthermore, it has not been investigated, whether CAP primarily affects endothelial cells directly or via paracrine mechanisms to modulate the vasculature...
November 26, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29179169/-bone-remodeling-through-a-phosphate-metabolism
#6
Takeshi Miyamoto
Phosphorus is the second abundant mineral stored in bones, and disturbance of phosphate metabolisms results in various disease developments such as hypophosphatemic rickets. Blood phosphorus levels are regulated by dietary intake or its absorption from intestine, proximal tubular reabsorption, and number of factors plays roles for maintaining phosphate homeostasis. Vitamin D stimulates intestinal phosphorus absorption, and phosphorus promotes FGF23 secretion from osteocytes. FGF23 inhibits Cyp27b1, an enzyme to produce an active vitamin D3, 1,25(OH)2D3, through FGF receptor/Klotho complex...
2017: Clinical Calcium
https://www.readbyqxmd.com/read/29159825/modulation-of-the-intestinal-bile-acid-fxr-fgf15-axis-improves-alcoholic-liver-disease-in-mice
#7
Phillipp Hartmann, Katrin Hochrath, Angela Horvath, Peng Chen, Caroline T Seebauer, Cristina Llorente, Lirui Wang, Yazen Alnouti, Derrick E Fouts, Peter Stärkel, Rohit Loomba, Sally Coulter, Christopher Liddle, Ruth T Yu, Lei Ling, Stephen J Rossi, Alex M DePaoli, Michael Downes, Ronald M Evans, David A Brenner, Bernd Schnabl
Alcoholic liver disease is associated with changes in the intestinal microbiota. Functional consequences of alcohol-associated dysbiosis are largely unknown. The aim of this study was to identify a mechanism of how changes in the intestinal microbiota contribute to alcoholic liver disease. Metagenomic sequencing of intestinal contents demonstrated that chronic ethanol feeding in mice is associated with an overrepresentation of bacterial genomic DNA encoding choloylglycine hydrolase, which deconjugates bile acids in the intestine...
November 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29158443/fox-and-ets-family-transcription-factors-regulate-the-pigment-cell-lineage-in-planarians
#8
Xinwen He, Nicole Lindsay-Mosher, Yan Li, Alyssa M Molinaro, Jason Pellettieri, Bret J Pearson
Many pigment cells acquire unique structural properties and gene expression profiles during animal development. The underlying differentiation pathways have been well characterized in cells formed during embryogenesis, such as the neural crest-derived melanocyte. However, much less is known about the developmental origins of pigment cells produced in adult organisms during tissue homeostasis and repair. Here we report a lineage analysis of ommochrome- and porphyrin-producing cells in the brown, freshwater planarian Schmidtea mediterranea Using an RNA-sequencing approach, we identified two classes of markers expressed in sequential fashion when new pigment cells are generated during regeneration or in response to pigment cell ablation...
November 20, 2017: Development
https://www.readbyqxmd.com/read/29158353/blood-pressure-control-by-a-secreted-fgfbp1-fibroblast-growth-factor-binding-protein
#9
Elena Tassi, En Yin Lai, Lingli Li, Glenn Solis, Yifan Chen, William E Kietzman, Patricio E Ray, Anna T Riegel, William J Welch, Christopher S Wilcox, Anton Wellstein
Fibroblast growth factors (FGFs) participate in organ development and tissue maintenance, as well as the control of vascular function. The paracrine-acting FGFs are stored in the extracellular matrix, and their release is controlled by a secreted FGF-binding protein (FGF-BP, FGFBP1, and BP1) that modulates FGF receptor signaling. A genetic polymorphism in the human FGFBP1 gene was associated with higher gene expression and an increased risk of familial hypertension. Here, we report on the effects of inducible BP1 expression in a transgenic mouse model...
November 20, 2017: Hypertension
https://www.readbyqxmd.com/read/29155277/neurotrophin-and-fgf-signaling-adapter-proteins-frs2-and-frs3-regulate-dentate-granule-cell-maturation-and-excitatory-synaptogenesis
#10
Sayan Nandi, Karina Alviña, Pablo J Lituma, Pablo E Castillo, Jean M Hébert
Dentate granule cells (DGCs) play important roles in cognitive processes. Knowledge about how growth factors such as FGFs and neurotrophins contribute to the maturation and synaptogenesis of DGCs is limited. Here, using brain-specific and germline mouse mutants we show that a module of neurotrophin and FGF signaling, the FGF Receptor Substrate (FRS) family of intracellular adapters, FRS2 and FRS3, are together required for postnatal brain development. In the hippocampus, FRS promotes dentate gyrus morphogenesis and DGC maturation during developmental neurogenesis, similar to previously published functions for both neurotrophins and FGFs...
November 16, 2017: Neuroscience
https://www.readbyqxmd.com/read/29147074/increased-levels-of-srage-in-diabetic-ckd-g5d-patients-a-potential-protective-mechanism-against-age-related-upregulation-of-fibroblast-growth-factor-23-and-inflammation
#11
Elena Dozio, Valentina Corradi, Elena Vianello, Elisa Scalzotto, Massimo de Cal, Massimiliano Marco Corsi Romanelli, Claudio Ronco
Advanced glycation end products (AGEs) may induce cardiac remodeling in kidney disease by promoting fibroblast growth factor 23 (FGF-23) expression. Since AGEs are increased in diabetes mellitus (DM), our first aim was to evaluate the existence of any potential association between AGEs, FGF-23, inflammation, and increased cardiovascular risk in DM patients on dialysis (CKD-G5D). Secondarily, we explored the potential role of the soluble receptor for AGEs (sRAGE) as a marker of heart failure. Levels of glycated albumin (GA), sRAGE, c-terminal FGF-23 (cFGF-23), brain natriuretic peptide (BNP), and inflammatory mediators were compared between DM and non-DM CKD-G5D patients...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29137286/fibroblast-growth-factor-modulates-mast-cell-recruitment-in-a-murine-model-of-prostate-cancer
#12
Roberto Ronca, Roberto Tamma, Daniela Coltrini, Simona Ruggieri, Marco Presta, Domenico Ribatti
Mast cells are important modifiers of prostate tumor microenvironment. The fibroblast growth factor/fibroblast growth factor receptor (FGF/FGFR) system plays a non-redundant autocrine/paracrine role in the growth, vascularization and progression of prostate tumors. Accordingly, the FGF antagonist long pentraxin-3 (PTX3) and the PTX3-derived small molecule FGF-trap NSC12 have been shown to inhibit the growth and vascularization of different FGF-dependent tumor types, including prostate cancer. In this study, we show that recombinant FGF2 is able to cause mast cell recruitment in vivo in the Matrigel plug assay...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29132503/gyrification-of-the-cerebral-cortex-requires-fgf-signaling-in-the-mammalian-brain
#13
Naoyuki Matsumoto, Yohei Shinmyo, Yoshie Ichikawa, Hiroshi Kawasaki
Although it has been believed that the evolution of cortical folds was a milestone, allowing for an increase in the number of neurons in the cerebral cortex, the mechanisms underlying the formation of cortical folds are largely unknown. Here we show regional differences in the expression of fibroblast growth factor receptors (FGFRs) in the developing cerebral cortex of ferrets even before cortical folds are formed. By taking the advantage of our in utero electroporation technique for ferrets, we found that cortical folding was impaired in the ferret cerebral cortex when FGF signaling was inhibited...
November 14, 2017: ELife
https://www.readbyqxmd.com/read/29122839/fgf-receptors-control-alveolar-elastogenesis
#14
Rongbo Li, John C Herriges, Lin Chen, Robert P Mecham, Xin Sun
Alveologenesis is the final step of lung development characterized by the formation of millions of alveolar septa which constitute the vast gas-exchange surface area. The genetic network driving alveologenesis is poorly understood compared to those in earlier steps of lung development. Fibroblast Growth Factor (FGF) signaling through the FGF receptors, Fgfr3 and Fgfr4 (hereafter Fgfr3;4), is critical for alveologenesis. However, the mechanisms through which they mediate this process remain unclear. Here we show that in Fgfr3;4 global mutant mice, alveolar simplification is first observed at the onset of alveologenesis at postnatal day (P) 3...
November 9, 2017: Development
https://www.readbyqxmd.com/read/29119105/a-rare-variant-in-pgap2-causes-autosomal-recessive-hyperphosphatasia-with-mental-retardation-syndrome-with-a-mild-phenotype-in-heterozygous-carriers
#15
Yonatan Perez, Ohad Wormser, Yair Sadaka, Ruth Birk, Ginat Narkis, Ohad S Birk
Mutations in genes involved in the biosynthesis of the glycosylphosphatidylinositol (GPI) anchor cause autosomal recessive glycosylation defects, with a wide phenotypic spectrum of intellectual disability, seizures, minor facial dysmorphism, hypotonia, and elevated serum alkaline phosphatase. We now describe consanguineous Bedouin kindred presenting with an autosomal recessive syndrome of intellectual disability and elevated serum alkaline phosphatase. Genome-wide linkage analysis identified 6 possible disease-associated loci...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29106496/transplantation-of-brown-adipose-tissue-inhibits-atherosclerosis-in-apoe-mice-contribution-of-the-activated-fgf-21-adiponectin-axis
#16
Masakazu Kikai, Hiroyuki Yamada, Noriyuki Wakana, Kensuke Terada, Keita Yamamoto, Naotoshi Wada, Shinichiro Motoyama, Makoto Saburi, Takeshi Sugimoto, Daisuke Irie, Taku Kato, Hiroyuki Kawahito, Takehiro Ogata, Satoaki Matoba
Aims: Brown adipose tissue (BAT) has been identified as an endocrine organ that maintains metabolic homeostasis; however, the effects on atherosclerosis remain undefined. Here, we investigated the effect of experimental BAT transplantation on atherosclerosis. Methods and Results: Interscapular BAT was dissected from 12-week-old wild-type mice and transplanted into the visceral cavity of 12-week-old apoE-/- mice. Oil-red O staining of whole aortas after 3 months of a high-cholesterol diet showed a significant decrease in atherosclerotic lesion area in BAT-transplanted mice by 20% compared with the sham control mice...
November 2, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29102744/modulating-bile-acid-pathways-and-tgr5-receptors-for-treating-liver-and-gi-diseases
#17
REVIEW
Harmeet Malhi, Michael Camilleri
Bile acids are central signals in enterohepatic communication and also integrate microbiota-derived signals into this signaling axis. Discovery of the tissue distribution and signaling pathways activated by the natural receptors for bile acids, farnesoid X receptor and G protein-coupled bile acid receptor 1 (GPBAR1) also known as TGR5, and bile acid transporters has led to the development of therapeutic agents that target these molecules. Obeticholic acid, a selective FXR agonist, and NGM282, a non-mitogenic FGF-19 analog, are two of the agents in this pipeline...
November 2, 2017: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29097598/fgf-fgfr-mediates-the-activity-dependent-dendritogenesis-of-layer-iv-neurons-during-barrel-formation
#18
Jui-Yen Huang, Marisha Lynn Miskus, Hui-Chen Lu
Fibroblast growth factors (FGFs) and FGF receptors (FGFRs) are known for their potent effects on cell proliferation/differentiation and cortical patterning in the developing brain. However, little is known regarding FGFs/FGFRs' roles in cortical circuit formation. Here we show that Fgfr1/2/3 and Fgf7/9/10/22 mRNAs are expressed in the developing primary somatosensory (S1) barrel cortex. Barrel cortex layer IV spiny stellate cells (bSCs) are the primary recipients of ascending sensory information via thalamocortical axons (TCAs)...
November 2, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29096595/pleiotropic-actions-of-fgf23
#19
Reinhold G Erben
Fibroblast growth factor-23 (FGF23) is a bone-derived hormone, mainly produced by osteoblasts and osteocytes in response to increased extracellular phosphate and circulating vitamin D hormone. Endocrine FGF23 signaling requires co-expression of the ubiquitously expressed FGF receptor 1 (FGFR1) and the co-receptor α-Klotho (Klotho). In proximal renal tubules, FGF23 suppresses the membrane expression of the sodium-phosphate cotransporters Npt2a and Npt2c which mediate urinary reabsorption of filtered phosphate...
October 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/29094504/a-link-between-the-fibroblast-growth-factor-axis-and-the-mir-16-family-reveals-potential-new-treatment-combinations-in-mesothelioma
#20
Karin Schelch, Michaela B Kirschner, Marissa Williams, Yuen Yee Cheng, Nico van Zandwijk, Michael Grusch, Glen Reid
Malignant pleural mesothelioma (MPM) is an aggressive malignancy with very limited therapeutic options. Fibroblast growth factor (FGF) signals play important roles in mesothelioma cell growth. Several FGFs and FGF receptors (FGFRs) are predicted targets of the miR-15/16 family, which is downregulated in MPM. The aim of this study was to explore the link between the miR-15/16 family and the FGF-axis in MPM. Expression analyses via RT-qPCR showed downregulation of the FGF-axis after transfection with miR-15/16 mimics...
November 1, 2017: Molecular Oncology
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