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https://www.readbyqxmd.com/read/28615674/meta-analysis-of-genome-wide-snp-and-pathway-based-associations-for-facets-of-neuroticism
#1
Song E Kim, Han-Na Kim, Yeo-Jun Yun, Seong Gu Heo, Juhee Cho, Min-Jung Kwon, Yoosoo Chang, Seungho Ryu, Hocheol Shin, Chol Shin, Nam H Cho, Yeon Ah Sung, Hyung-Lae Kim
Neuroticism is a heritable personality trait that is comprised of distinct sub-factors, or facets. Sub-factors of neuroticism are linked to different emotional states or psychiatric symptoms and studying the genetic variants associated with these facets may help reveal the biological mechanisms underlying psychiatric disorders. In the present study, a meta-analysis of genome-wide association studies for six facets of neuroticism was performed in 5584 participants from three cohorts. Additionally, a Gene Set Enrichment Analysis was conducted to find biological pathways associated with each facet...
June 15, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28511845/mir-205-is-a-critical-regulator-of-lacrimal-gland-development
#2
D'Juan T Farmer, Jennifer K Finley, Feeling Y Chen, Estefania Tarifeño-Saldivia, Nancy A McNamara, Sarah M Knox, Michael T McManus
The tear film protects the terrestrial animal's ocular surface and the lacrimal gland provides important aqueous secretions necessary for its maintenance. Despite the importance of the lacrimal gland in ocular health, molecular aspects of its development remain poorly understood. We have identified a noncoding RNA (miR-205) as an important gene for lacrimal gland development. Mice lacking miR-205 fail to properly develop lacrimal glands, establishing this noncoding RNA as a key regulator of lacrimal gland development...
May 13, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28506998/fgf10-and-sox9-are-essential-for-the-establishment-of-distal-progenitor-cells-during-mouse-salivary-gland-development
#3
Lemonia Chatzeli, Marcia Gaete, Abigail S Tucker
Salivary glands are formed by branching morphogenesis with epithelial progenitors forming a network of ducts and acini (secretory cells). During this process, epithelial progenitors specialise into distal (tips of the gland) and proximal (the stalk region) identities that produce the acini and higher order ducts, respectively. Little is known about the factors that regulate progenitor expansion and specialisation in the different parts of the gland. Here, we show that Sox9 is involved in establishing the identity of the distal compartment before the initiation of branching morphogenesis...
June 15, 2017: Development
https://www.readbyqxmd.com/read/28506989/fgf-signaling-refines-wnt-gradients-to-regulate-the-patterning-of-taste-papillae
#4
Michaela Prochazkova, Teemu J Häkkinen, Jan Prochazka, Frantisek Spoutil, Andrew H Jheon, Youngwook Ahn, Robb Krumlauf, Jukka Jernvall, Ophir D Klein
The patterning of repeated structures is a major theme in developmental biology, and the inter-relationship between spacing and size of such structures is an unresolved issue. Fungiform papillae are repeated epithelial structures that house taste buds on the anterior tongue. Here, we report that FGF signaling is a crucial regulator of fungiform papillae development. We found that mesenchymal FGF10 controls the size of the papillary area, while overall patterning remains unchanged. Our results show that FGF signaling negatively affects the extent of canonical Wnt signaling, which is the main activation pathway during fungiform papillae development; however, this effect does not occur at the level of gene transcription...
June 15, 2017: Development
https://www.readbyqxmd.com/read/28453662/mglur5-tunes-ngf-trka-signaling-to-orient-spiny-stellate-neuron-dendrites-toward-thalamocortical-axons-during-whisker-barrel-map-formation
#5
Jui-Yen Huang, Hui-Chen Lu
Neurons receive and integrate synaptic inputs at their dendrites, thus dendritic patterning shapes neural connectivity and behavior. Aberrant dendritogenesis is present in neurodevelopmental disorders such as Down's syndrome and autism. Abnormal glutamatergic signaling has been observed in these diseases, as has dysfunction of the metabotropic glutamate receptor 5 (mGluR5). Deleting mGluR5 in cortical glutamatergic neurons disrupted their coordinated dendritic outgrowth toward thalamocortical axons and perturbed somatosensory circuits...
April 27, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28449458/lower-expression-of-platelet-derived-growth-factor-is-associated-with-better-overall-survival-rate-of-patients-with-idiopathic-nonspecific-interstitial-pneumonia
#6
Xuyou Zhu, Xia Fang, Wei Chen, Fei Han, Ziling Huang, Benfang Luo, Pan Gu, Long Zhang, Weizhe Qiu, Yu Zeng, Weiwei Rui, Xianghua Yi
BACKGROUND: Idiopathic nonspecific interstitial pneumonia (INSIP) presents with varying degrees of interstitial inflammation and fibrosis exhibiting a uniform appearance. Lack of knowledge on the underlying mechanisms of INSIP has contributed to few effective treatment strategies. Our study is designed to explore aberrantly expressed cytokines involvement in INSIP development. METHODS: Oligo GEArray was employed to detect the expression of cytokines in INSIP patients, and idiopathic pulmonary fibrosis (IPF) was setup as isotype control...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28400699/ladd-syndrome-with-glaucoma-is-caused-by-a-novel-gene
#7
Allie Simpson, Armin Avdic, Ben R Roos, Adam DeLuca, Kathy Miller, Michael J Schnieders, Todd E Scheetz, Wallace L M Alward, John H Fingert
PURPOSE: Lacrimo-auriculo-dento-digital (LADD) syndrome is an autosomal dominant disorder displaying variable expression of multiple congenital anomalies including hypoplasia or aplasia of the lacrimal and salivary systems causing abnormal tearing and dry mouth. Mutations in the FGF10, FGFR2, and FGFR3 genes were found to cause some cases of LADD syndrome in prior genetic studies. The goal of this study is to identify the genetic basis of a case of LADD syndrome with glaucoma and thin central corneal thickness (CCT)...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28387977/ex-vivo-analysis-of-the-contribution-of-fgf10-cells-to-airway-smooth-muscle-cell-formation-during-early-lung-development
#8
Elie El Agha, Vahid Kheirollahi, Alena Moiseenko, Werner Seeger, Saverio Bellusci
BACKGROUND: Airway smooth muscle cells (ASMCs) have been widely studied during embryonic lung development. These cells have been shown to control epithelial bifurcation during branching morphogenesis. Fibroblast growth factor 10-positive (FGF10(+) ) cells, originally residing in the submesothelial mesenchyme, contribute to ASMC formation in the distal lung. The reported work aims at monitoring the response of FGF10(+) progenitors and differentiated ASMCs to growth factor treatment in real time using lineage tracing in the background of an air-liquid interface (ALI) culture system...
April 7, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28370670/origin-and-characterization-of-alpha-smooth-muscle-actin-positive-cells-during-murine-lung-development
#9
Alena Moiseenko, Vahid Kheirollahi, Cho-Ming Chao, Negah Ahmadvand, Jennifer Quantius, Jochen Wilhelm, Susanne Herold, Katrin Ahlbrecht, Rory E Morty, Albert A Rizvanov, Parviz Minoo, Elie El Agha, Saverio Bellusci
ACTA2 expression identifies pulmonary airway and vascular smooth muscle cells (SMCs) as well as alveolar myofibroblasts (MYF). Mesenchymal progenitors expressing fibroblast growth factor 10 (Fgf10), Wilms tumor 1 (Wt1), or glioma-associated oncogene 1 (Gli1) contribute to SMC formation from early stages of lung development. However, their respective contribution and specificity to the SMC and/or alveolar MYF lineages remain controversial. In addition, the contribution of mesenchymal cells undergoing active WNT signaling remains unknown...
April 3, 2017: Stem Cells
https://www.readbyqxmd.com/read/28364893/genetic-polymorphisms-underlying-the-skeletal-class-iii-phenotype
#10
Christiane Vasconcellos Cruz, Claudia Trindade Mattos, José Calasans Maia, José Mauro Granjeiro, Maria Fernanda Reis, José Nelson Mucha, Beatriz Vilella, Antonio Carlos Ruellas, Ronir Raggio Luiz, Marcelo Castro Costa, Alexandre Rezende Vieira
INTRODUCTION: Our goal was to verify the association between candidate polymorphisms and skeletal Class III malocclusion in a well-characterized homogeneous sample set. METHODS: Thirty-five single-nucleotide polymorphisms were studied from 10 candidate loci in 54 Class III subjects and 120 controls. Skeletal Class III characteristics included ANB angle less than 0°, SNB angle greater than 83° (mandibular prognathism), SNA angle less than 79° (maxillary deficiency), Class III molar relationship, and negative overjet...
April 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28362406/efficient-differentiation-of-pluripotent-stem-cells-to-nkx6-1-pancreatic-progenitors
#11
Emily C McGaugh, M Cristina Nostro
Pluripotent stem cells have the ability to self renew and differentiate to multiple lineages, making them an attractive source for the generation of pancreatic progenitor cells that can be used for the study of and future treatment of diabetes. This article outlines a four-stage differentiation protocol designed to generate pancreatic progenitor cells from human embryonic stem cells (hESCs). This protocol can be applied to a number of human pluripotent stem cell (hPSC) lines. The approach taken to generate pancreatic progenitor cells is to differentiate hESCs to accurately model key stages of pancreatic development...
March 7, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28348107/mcsf-orchestrates-branching-morphogenesis-in-developing-submandibular-gland-tissue
#12
Gulsan Ara Sathi, Mahmoud Farahat, Emilio Satoshi Hara, Hiroaki Taketa, Hitoshi Nagatsuka, Takuo Kuboki, Takuya Matsumoto
The importance of macrophages in tissue development and regeneration have been strongly emphasized. However, the specific roles of macrophage colony-stimulating factor (MCSF), the key regulator of macrophage differentiation, in glandular tissue development have been unexplored. Here, we disclose new macrophage-independent roles of MCSF in tissue development. We initially found that MCSF is markedly upregulated at embryonic day E13.5, at a stage preceding the colonization of macrophages (at E15.5) in mouse submandibular gland (SMG) tissue...
March 27, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28220305/homeobox-wnt-and-fibroblast-growth-factor-signaling-is-augmented-during-alveogenesis-in-mice-lacking-superoxide-dismutase-3-extracellular
#13
Tania A Thimraj, Rahel L Birru, Ankita Mitra, Holger Schulz, George D Leikauf, Koustav Ganguly
Superoxide dismutase 3, extracellular (SOD3) polymorphisms have been implicated in reduced pulmonary function development and altered risk for chronic obstructive pulmonary disease. We previously reported that gene-targeted Sod3-/- mice have impaired lung function and human SOD3 variants are associated with reduced pulmonary function in children. Reduced lung SOD3 levels were reported in mice with lower lung function with the greatest difference occurring during alveogenesis phase [postnatal (P) days 14-28]...
February 20, 2017: Lung
https://www.readbyqxmd.com/read/28194153/nasal-polyp-derived-mesenchymal-stromal-cells-exhibit-lack-of-immune-associated-molecules-and-high-levels-of-stem-progenitor-cells-markers
#14
Pedro Wey Barbosa de Oliveira, Rogério Pezato, Juan Sebastian Henao Agudelo, Claudina Angela Perez-Novo, Wim Vanden Berghe, Niels Olsen Câmara, Danilo Candido de Almeida, Luís Carlos Gregorio
Mesenchymal stromal cells (MSCs) are considered adult progenitor stem cells and have been studied in a multitude of tissues. In this context, the microenvironment of nasal polyp tissue has several inflammatory cells, but their stroma compartment remains little elucidated. Hence, we isolated MSCs from nasal polyps Polyp-MSCs (PO-MSCs) and compared their molecular features and gene expression pattern with bone marrow-derived MSCs (BM-MSCs). Initially, both PO-MSCs and BM-MSCs were isolated, cultivated, and submitted to morphologic, differentiation, phenotypic, immunosuppressive, and gene expression assays...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28162885/genetic-and-familial-predisposition-to-rotator-cuff-disease-a-systematic-review
#15
REVIEW
Dominique I Dabija, Chan Gao, Todd L Edwards, John E Kuhn, Nitin B Jain
BACKGROUND: Rotator cuff disease is a common disorder leading to shoulder pain and loss of function. Its etiology in atraumatic cases is uncertain and is likely to extend beyond repetitive microtrauma or overuse. Our objective was to determine whether there is a genetic or familial predisposition to rotator cuff disease. METHODS: A literature search of PubMed and Embase databases identified 251 citations. After review of the titles, abstracts, and full articles, 7 met our inclusion and exclusion criteria...
June 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28069589/analysis-of-the-fgfr2-c342y-mouse-model-shows-condensation-defects-due-to-misregulation-of-sox9-expression-in-prechondrocytic-mesenchyme
#16
Emma Peskett, Samin Kumar, William Baird, Janhvi Jaiswal, Ming Li, Priyanca Patel, Jonathan A Britto, Erwin Pauws
Syndromic craniosynostosis caused by mutations in FGFR2 is characterised by developmental pathology in both endochondral and membranous skeletogenesis. Detailed phenotypic characterisation of features in the membranous calvarium, the endochondral cranial base and other structures in the axial and appendicular skeleton has not been performed at embryonic stages. We investigated bone development in the Crouzon mouse model (Fgfr2(C342Y)) at pre- and post-ossification stages to improve understanding of the underlying pathogenesis...
February 15, 2017: Biology Open
https://www.readbyqxmd.com/read/28029662/guidance-to-rational-use-of-pharmaceuticals-in-gallbladder-sarcomatoid-carcinoma-using-patient-derived-cancer-cells-and-whole-exome-sequencing
#17
Feiling Feng, Qingbao Cheng, Liang Yang, Dadong Zhang, Shunlong Ji, Qiangzu Zhang, Yihui Lin, Fugen Li, Lei Xiong, Chen Liu, Xiaoqing Jiang
PURPOSE: Gallbladder sarcomatoid carcinoma is a rare cancer with no clinical standard treatment. With the rapid development of next generation sequencing, it has been able to provide reasonable treatment options for patients based on genetic variations. However, most cancer drugs are not approval for gallbladder sarcomatoid carcinoma indications. The correlation between drug response and a genetic variation needs to be further elucidated. EXPERIMENTAL DESIGN: Three patient-derived cells-JXQ-3D-001, JXQ-3D-002, and JXQ-3D-003, were derived from biopsy samples of one gallbladder sarcomatoid carcinoma patient with progression and have been characterized...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28000057/bovine-in-vitro-embryo-production-the-effects-of-fibroblast-growth-factor-10-fgf10
#18
Mateus Nunes Diógenes, Ana Luiza Silva Guimarães, Ligiane Oliveira Leme, Margot Alves Nunes Dode
PURPOSE: In an attempt to improve in vitro embryo production, we investigated the effect of fibroblast growth factor 10 (FGF10) during in vitro maturation on the developmental capacity of bovine oocytes. MATERIAL AND METHODS: Cumulus-oocyte complexes (COCs) were aspirated from follicles of 3-8 mm diameter. After selection, the COCs were matured in medium with or without 0.5 ng/mL of FGF10. The effect of FGF10 during in vitro maturation (IVM) on nuclear maturation kinetics and expansion of the cumulus cells was investigated...
March 2017: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/27965056/porcupine-dependent-wnt-signaling-controls-stromal-proliferation-and-endometrial-gland-maintenance-through-the-action-of-distinct-wnts
#19
Omar Farah, Steffen Biechele, Janet Rossant, Daniel Dufort
Wnt signaling has been shown to be important in orchestrating proper development of the female reproductive tract. In the uterus, six members of the Wnt family are expressed in the neonatal endometrium and deletion of individual Wnt genes often leads to similar phenotypes, suggesting an interaction of these genes in uterine development and function. Furthermore, Wnts may have complementary functions, which could mask the identification of their individual functional role in single gene deletions. To circumvent this issue, we have generated a deletion of the Porcupine homolog within the female reproductive tract using progesterone receptor-Cre mice (Pgr(Cre/+)); preventing Wnt secretion from the producing cells...
February 1, 2017: Developmental Biology
https://www.readbyqxmd.com/read/27884045/retinoic-acid-signaling-regulates-krt5-and-krt14-independently-of-stem-cell-markers-in-submandibular-salivary-gland-epithelium
#20
Timur M Abashev, Melissa A Metzler, Diana M Wright, Lisa L Sandell
BACKGROUND: Retinoic acid (RA), the active metabolite of vitamin A, has been demonstrated to be important for growth and branching morphogenesis of mammalian embryonic salivary gland epithelium. However, it is not known whether RA functions directly within epithelial cells or in associated tissues that influence morphogenesis of salivary epithelium. Moreover, downstream targets of RA regulation have not been identified. RESULTS: Here, we show that canonical RA signaling occurs in multiple tissues of embryonic mouse salivary glands, including epithelium, associated parasympathetic ganglion neurons, and nonneuronal mesenchyme...
February 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
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