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https://www.readbyqxmd.com/read/29329973/altered-gene-expression-in-tree-shrew-retina-and-retinal-pigment-epithelium-produced-by-short-periods-of-minus-lens-wear
#1
Li He, Michael R Frost, John T Siegwart, Thomas T Norton
Hyperopic refractive error is detected by retinal neurons, which generate GO signals through a direct emmetropization signaling cascade: retinal pigment epithelium (RPE) into choroid and then into sclera, thereby increasing axial elongation. To examine signaling early in this cascade, we measured gene expression in the retina and RPE after short exposure to hyperopia produced by minus-lens wear. Gene expression in each tissue was compared with gene expression in combined retina + RPE. Starting 24 days after normal eye opening, three groups of juvenile tree shrews (n = 7 each) wore a monocular -5 D lens...
January 9, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29233981/a-mir-327-fgf10-fgfr2-mediated-autocrine-signaling-mechanism-controls-white-fat-browning
#2
Carina Fischer, Takahiro Seki, Sharon Lim, Masaki Nakamura, Patrik Andersson, Yunlong Yang, Jennifer Honek, Yangang Wang, Yanyan Gao, Fang Chen, Nilesh J Samani, Jun Zhang, Masato Miyake, Seiichi Oyadomari, Akihiro Yasue, Xuri Li, Yun Zhang, Yizhi Liu, Yihai Cao
Understanding the molecular mechanisms regulating beige adipocyte formation may lead to the development of new therapies to combat obesity. Here, we report a miRNA-based autocrine regulatory pathway that controls differentiation of preadipocytes into beige adipocytes. We identify miR-327 as one of the most downregulated miRNAs targeting growth factors in the stromal-vascular fraction (SVF) under conditions that promote white adipose tissue (WAT) browning in mice. Gain- and loss-of-function experiments reveal that miR-327 targets FGF10 to prevent beige adipocyte differentiation...
December 12, 2017: Nature Communications
https://www.readbyqxmd.com/read/29215649/a-craniosynostosis-massively-parallel-sequencing-panel-study-in-309-australian-and-new-zealand-patients-findings-and-recommendations
#3
Eric Lee, Trang Le, Ying Zhu, George Elakis, Anne Turner, William Lo, Hanka Venselaar, Carol-Ann Verrenkamp, Nicole Snow, David Mowat, Edwin Philip Kirk, Rani Sachdev, Janine Smith, Natasha Jane Brown, Mathew Wallis, Chris Barnett, Fiona McKenzie, Mary-Louise Freckmann, Felicity Collins, Maya Chopra, Nerine Gregersen, Ian Hayes, Sulekha Rajagopalan, Tiong Yang Tan, Zornitza Stark, Ravi Savarirayan, Alison Yeung, Lesley Adès, Michael Gattas, Kate Gibson, Michael Gabbett, David John Amor, Wanda Lattanzi, Simeon Boyd, Eric Haan, Mark Gianoutsos, Timothy Chilton Cox, Michael Francis Buckley, Tony Roscioli
PurposeThe craniosynostoses are characterized by premature fusion of one or more cranial sutures. The relative contribution of previously reported genes to craniosynostosis in large cohorts is unclear. Here we report on the use of a massively parallel sequencing panel in individuals with craniosynostosis without a prior molecular diagnosis.MethodsA 20-gene panel was designed based on the genes' association with craniosynostosis, and clinically validated through retrospective testing of an Australian and New Zealand cohort of 233 individuals with craniosynostosis in whom previous testing had not identified a causative variant within FGFR1-3 hot-spot regions or the TWIST1 gene...
December 7, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29193903/genetic-susceptibility-to-thalidomide-embryopathy-in-humans-study-of-candidate-development-genes
#4
Julia do Amaral Gomes, Thayne Woycinck Kowalski, Lucas Rosa Fraga, Luciana Tovo-Rodrigues, Maria Teresa Vieira Sanseverino, Lavínia Schuler-Faccini, Fernanda Sales Luiz Vianna
Thalidomide is a drug used worldwide for several indications, but the molecular mechanisms of its teratogenic property are not fully understood. Studies in animal models suggest the oxidative stress, the inhibition of angiogenesis, and the binding to E3-ubiquitin ligase complex as mechanisms by which thalidomide can change the expression of genes important to embryonic development. In this study, seven polymorphisms in genes related to development (FGF8, FGF10, BMP4, SHH, TP53, TP63, and TP73) were analyzed in people with thalidomide embryopathy (TE) and compared to people without malformations...
November 28, 2017: Birth Defects Research
https://www.readbyqxmd.com/read/29167198/comparative-transcriptome-analysis-reveals-conserved-branching-morphogenesis-related-genes-involved-in-chamber-formation-of-catfish-swimbladder
#5
Yujia Yang, Qiang Fu, Yang Liu, Xiaozhu Wang, Rex Dunham, Shikai Liu, Lisui Bao, Qifan Zeng, Tao Zhou, Ning Li, Zhenkui Qin, Chen Jiang, Dongya Gao, Zhanjiang Liu
The swimbladder is an internal gas-filled organ in teleosts. Its major function is to regulate buoyancy. Swimbladder exhibits great variations in size, shape, number of compartments or chambers among teleosts. However, the genomic control of swimbladder variations is unknown. Channel catfish (Ictalurus punctatus), blue catfish (Ictalurus furcatus), and their F1 hybrids of female channel catfish x male blue catfish (C×B hybrid catfish) provide a good model to investigate the swimbladder morphology, because channel catfish possess a single-chambered swimbladder whereas blue catfish possess a bi-chambered swimbladder; and C×B hybrid catfish possess a bi-chambered swimbladder but with significantly reduced posterior chamber...
November 22, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/29135047/effects-of-voltage-strength-during-electroporation-on-the-development-and-quality-of-in-vitro-produced-porcine-embryos
#6
K Nishio, F Tanihara, T-V Nguyen, T Kunihara, M Nii, M Hirata, T Takemoto, T Otoi
This study was conducted to determine suitable conditions for an experimental method in which the CRISPR/Cas9 system is introduced into in vitro-produced porcine zygotes by electroporation. In the first experiment, when putative zygotes derived from in vitro fertilization (IVF) were electroporated by either unipolar or bipolar pulses, keeping the voltage, pulse duration and pulse number fixed at 30 V/mm, 1 msec and five repeats, respectively, the rate of blastocyst formation from zygotes electroporated by bipolar pulses decreased compared to zygotes electroporated by unipolar pulses...
November 14, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29128220/identification-of-potential-embryokines-in-the-bovine-reproductive-tract
#7
P Tríbulo, L G B Siqueira, L J Oliveira, T Scheffler, P J Hansen
Knowledge of the molecules used by the maternal reproductive tract to regulate development of the preimplantation embryo is largely incomplete. The goal of the present experiment was to identify candidates for this function. The approach was to assess expression patterns in the endometrium and oviduct of 93 genes encoding for hormones, growth factors, chemokines, cytokines, and WNT-related molecules. Results show that all of the genes were expressed in the reproductive tract. Expression in oviduct was affected by day of the estrous cycle for 21 genes with 11 genes having highest expression at estrus (CCL21, CTGF, CXCL10, CXCL16, DKK3, FGF10, IL18, IL33, IL34, PGF, and SFRP2), one gene at d 3 (WNT4), 8 at d 5 (BMP7, HGF, IL6, SFRP1, TGFB1, WIF1, WNT2, and WNT5A), and one at d 7 (IK)...
November 8, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29126155/isl1-mediates-mesenchymal-expansion-in-the-developing-external-genitalia-via-regulation-of-bmp4-fgf10-and-wnt5a
#8
Saunders T Ching, Carlos R Infante, Wen Du, Amnon Sharir, Sungdae Park, Douglas B Menke, Ophir D Klein
Genital malformations are among the most common human birth defects, and both genetic and environmental factors can contribute to these malformations. Development of the external genitalia in mammals relies on complex signaling networks, and disruption of these signaling pathways can lead to genital defects. Islet-1 (ISL1), a member of the LIM/Homeobox family of transcription factors, has been identified as a major susceptibility gene for classic bladder exstrophy in humans, a common form of the bladder exstrophy-epispadias complex (BEEC), and is implicated in a role in urinary tract development...
November 8, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/29097598/fgf-fgfr-mediates-the-activity-dependent-dendritogenesis-of-layer-iv-neurons-during-barrel-formation
#9
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/29053399/new-pathogenic-variant-in-the-fgf10-gene-in-the-agenesis-of-lacrimal-and-salivary-gland-syndrome-ophthalmological-and-genetic-study
#10
Maria Jesus Rodrigo, Miriam Idoipe, Silvia Izquierdo, Maria Satue, Antonio Mateo, Antonio Sanchez, Elena Garcia-Martin, Luis Pablo
Aplasia/agenesis of lacrimal and salivary glands is a rare congenital defect that has been associated with disturbances in fibroblast growth factor 10 (FGF10). It can present with symptoms of congenital lacrimal obstruction, dry eye, and dry mouth. We report the ophthalmological and genetic study of a 19-year-old woman and her relatives suffering from this syndrome. A new probably pathogenic variant is described in the FGF10 gene.
October 20, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29028795/alx4-relays-sequential-fgf-signaling-to-induce-lacrimal-gland-morphogenesis
#11
Ankur Garg, Mukesh Bansal, Noriko Gotoh, Gen-Sheng Feng, Jian Zhong, Fen Wang, Ariana Kariminejad, Steven Brooks, Xin Zhang
The sequential use of signaling pathways is essential for the guidance of pluripotent progenitors into diverse cell fates. Here, we show that Shp2 exclusively mediates FGF but not PDGF signaling in the neural crest to control lacrimal gland development. In addition to preventing p53-independent apoptosis and promoting the migration of Sox10-expressing neural crests, Shp2 is also required for expression of the homeodomain transcription factor Alx4, which directly controls Fgf10 expression in the periocular mesenchyme that is necessary for lacrimal gland induction...
October 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29017029/fgf10-hippo-epithelial-mesenchymal-crosstalk-maintains-and-recruits-lung-basal-stem-cells
#12
Thomas Volckaert, Tingting Yuan, Cho-Ming Chao, Harold Bell, Alina Sitaula, Luisa Szimmtenings, Elie El Agha, Diptiman Chanda, Susan Majka, Saverio Bellusci, Victor J Thannickal, Reinhard Fässler, Stijn P De Langhe
The lung harbors its basal stem/progenitor cells (BSCs) in the protected environment of the cartilaginous airways. After major lung injuries, BSCs are activated and recruited to sites of injury. Here, we show that during homeostasis, BSCs in cartilaginous airways maintain their stem cell state by downregulating the Hippo pathway (resulting in increased nuclear Yap), which generates a localized Fgf10-expressing stromal niche; in contrast, differentiated epithelial cells in non-cartilaginous airways maintain quiescence by activating the Hippo pathway and inhibiting Fgf10 expression in airway smooth muscle cells (ASMCs)...
October 9, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28982687/dlx5-fgf10-signaling-cascade-controls-cranial-neural-crest-and-myoblast-interaction-during-oropharyngeal-patterning-and-development
#13
Hideki Sugii, Alexandre Grimaldi, Jingyuan Li, Carolina Parada, Thach Vu-Ho, Jifan Feng, Junjun Jing, Yuan Yuan, Yuxing Guo, Hidefumi Maeda, Yang Chai
Craniofacial development depends on cell-cell interactions, coordinated cellular movement and differentiation under the control of regulatory gene networks, which include the distal-less (Dlx) gene family. However, the functional significance of Dlx5 in patterning the oropharyngeal region has remained unknown. Here we show that loss of Dlx5 leads to a shortened soft palate and an absence of the levator veli palatini, palatopharyngeus, and palatoglossus muscles that are derived from the 4(th) pharyngeal arch (PA), but the tensor veli palatini, derived from the 1(st) PA, is unaffected...
October 5, 2017: Development
https://www.readbyqxmd.com/read/28981091/neuron-and-microglia-macrophage-derived-fgf10-activate-neuronal-fgfr2-pi3k-akt-signaling-and-inhibit-microglia-macrophages-tlr4-nf-%C3%AE%C2%BAb-dependent-neuroinflammation-to-improve-functional-recovery-after-spinal-cord-injury
#14
Jian Chen, Zhouguang Wang, ZengMing Zheng, Yu Chen, Sinan Khor, KeSi Shi, ZiLi He, Qingqing Wang, Yingzheng Zhao, Hongyu Zhang, Xiaokun Li, Jiawei Li, Jiayu Yin, Xiangyang Wang, Jian Xiao
Therapeutics used to treat central nervous system (CNS) injury were designed to repair neurites and inhibit cell apoptosis. Previous studies have shown that neuron-derived FGF10 exerts potential neuroprotective effects after cerebral ischemia injury. However, little is known about the role of endogenous FGF10 in the recovery process after spinal cord injury (SCI). In this study, we found that FGF10 is mainly produced by neuron and microglia/macrophages, and its expression is increased after SCI. Exogenous treatment of FGF10 improved functional recovery after injury by reducing apoptosis, as well as repairing neurites via FGFR2/PI3K/Akt pathway...
October 5, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28939119/patched1-patterns-fibroblast-growth-factor-10-and-forkhead-box-f1-expression-during-pulmonary-branch-formation
#15
Uda Y Ho, Brandon J Wainwright
Hedgehog (Hh) signalling, Fibroblast growth factor 10 (Fgf10) and Forkhead box F1 (Foxf1) are each individually important for directing pulmonary branch formation but their interactions are not well understood. Here we demonstrate that Hh signalling is vital in regulating Foxf1 and Fgf10 expression during branching. The Hedgehog receptor Patched1 (Ptch1) was conditionally inactivated in the lung mesenchyme by Dermo1-Cre in vivo or using a recombinant Cre recombinase protein (HNCre) in lung cultures resulting in cell autonomous activation of Hh signalling...
October 2017: Mechanisms of Development
https://www.readbyqxmd.com/read/28938441/canonical-wnt-signaling-regulates-the-pituitary-organizer-and-pituitary-gland-formation
#16
Allison M Osmundsen, Jessica L Keisler, M Mark Taketo, Shannon W Davis
The pituitary organizer is a domain within the ventral diencephalon that expresses Bmp4, Fgf8, and Fgf10, which induce the formation of the pituitary precursor, Rathke's pouch, from the oral ectoderm. The WNT signaling pathway regulates this pituitary organizer such that loss of Wnt5a leads to an expansion of the pituitary organizer and an enlargement of Rathke's pouch. WNT signaling is classified into canonical signaling, which is mediated by β-CATENIN, and noncanonical signaling, which operates independently of β-CATENIN...
October 1, 2017: Endocrinology
https://www.readbyqxmd.com/read/28919491/potential-involvement-of-fgf10-fgfr2-and-androgen-receptor-ar-in-renal-fibrosis-in-adult-male-rat-offspring-subjected-to-prenatal-exposure-to-di-n-butyl-phthalate-dbp
#17
Wen-Lan Sun, Yi-Ping Zhu, Xiu-Shi Ni, Da-Dao Jing, Yu-Ting Yao, Wei Ding, Zhi-Hong Liu, Guo-Xian Ding, Jun-Tao Jiang
BACKGROUND: We previously demonstrated that maternal exposure to di-n-butyl phthalate (DBP) induces dysplasia of the kidney in newborn male offspring and renal fibrosis in adults. But the underlying mechanisms remain elusive. Fgf10/Fgfr2 and androgen receptor (AR) are known to be important for renal development. We therefore investigated whether these genes are involved in DBP-induced renal fibrosis. MATERIALS AND METHODS: Using Sprague-Dawley rats and rat renal proximal tubular cells (NRK52E), we determined the potential involvement of Fgf10, Fgfr2 and AR in DBP-induced renal fibrosis...
September 15, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28886383/anatomically-and-functionally-distinct-lung-mesenchymal-populations-marked-by-lgr5-and-lgr6
#18
Joo-Hyeon Lee, Tuomas Tammela, Matan Hofree, Jinwook Choi, Nemanja Despot Marjanovic, Seungmin Han, David Canner, Katherine Wu, Margherita Paschini, Dong Ha Bhang, Tyler Jacks, Aviv Regev, Carla F Kim
The diversity of mesenchymal cell types in the lung that influence epithelial homeostasis and regeneration is poorly defined. We used genetic lineage tracing, single-cell RNA sequencing, and organoid culture approaches to show that Lgr5 and Lgr6, well-known markers of stem cells in epithelial tissues, are markers of mesenchymal cells in the adult lung. Lgr6(+) cells comprise a subpopulation of smooth muscle cells surrounding airway epithelia and promote airway differentiation of epithelial progenitors via Wnt-Fgf10 cooperation...
September 7, 2017: Cell
https://www.readbyqxmd.com/read/28859094/epithelial-heparan-sulfate-regulates-sonic-hedgehog-signaling-in-lung-development
#19
Hua He, Meina Huang, Shenfei Sun, Yihui Wu, Xinhua Lin
The tree-like structure of the mammalian lung is generated from branching morphogenesis, a reiterative process that is precisely regulated by numerous factors. How the cell surface and extra cellular matrix (ECM) molecules regulate this process is still poorly understood. Herein, we show that epithelial deletion of Heparan Sulfate (HS) synthetase Ext1 resulted in expanded branching tips and reduced branching number, associated with several mesenchymal developmental defects. We further demonstrate an expanded Fgf10 expression and increased FGF signaling activity in Ext1 mutant lungs, suggesting a cell non-autonomous mechanism...
August 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28843519/microrna-profiles-of-fibroblasts-derived-from-in-vivo-fertilized-and-fat-1-transgenic-cattle
#20
Yang Lv, Yu Wang, Jiajia Sun, Chunling Gong, Yan Chen, Guanghua Su, Guangqi Gao, Chunling Bai, Zhuying Wei, Lisheng Zhang, Shorgan Bou, Guangpeng Li
Fat-1 transgenic cattle have high levels of ω-3 fatty acids, which regulate several genes in fatty acid metabolism. In the current study, fibroblasts derived from in vivo fertilized (Ferti) and fat-1 transgenic (TG) Luxi cattle (Bos taurus), a local breed in China, were cultured and their miRNA expression was characterized. Expression of 352 known miRNAs differed in cells from Ferti and TG cattle: 83 miRNAs were found to be specifically expressed in cells from Ferti cattle while 23 miRNAs were found to be specifically expressed in cells from TG cattle...
December 15, 2017: Gene
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