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https://www.readbyqxmd.com/read/29135047/effects-of-voltage-strength-during-electroporation-on-the-development-and-quality-of-in-vitro-produced-porcine-embryos
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
https://www.readbyqxmd.com/read/28828387/candidate-gene-identification-of-feed-efficiency-and-coat-color-traits-in-a-c57bl-6j-%C3%A3-kunming-f2-mice-population-using-genome-wide-association-study
#16
Yuanxin Miao, Fathia Soudy, Zhong Xu, Mingxing Liao, Shuhong Zhao, Xinyun Li
Feed efficiency (FE) is a very important trait in livestock industry. Identification of the candidate genes could be of benefit for the improvement of FE trait. Mouse is used as the model for many studies in mammals. In this study, the candidate genes related to FE and coat color were identified using C57BL/6J (C57) × Kunming (KM) F2 mouse population. GWAS results showed that 61 and 2 SNPs were genome-wise suggestive significantly associated with feed conversion ratio (FCR) and feed intake (FI) traits, respectively...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28807896/fgf10-progenitors-give-rise-to-the-chick-hypothalamus-by-rostral-and-caudal-growth-and-differentiation
#17
Travis Fu, Matthew Towers, Marysia A Placzek
Classical descriptions of the hypothalamus divide it into three rostro-caudal domains but little is known about their embryonic origins. To investigate this, we performed targeted fate-mapping, molecular characterisation and cell cycle analyses in the embryonic chick. Presumptive hypothalamic cells derive from the rostral diencephalic ventral midline, lie above the prechordal mesendoderm and express Fgf10Fgf10(+) progenitors undergo anisotropic growth: those displaced rostrally differentiate into anterior cells, then those displaced caudally differentiate into mammillary cells...
September 15, 2017: Development
https://www.readbyqxmd.com/read/28768143/intrauterine-exposure-to-17%C3%AE-oestradiol-e2-impairs-postnatal-development-in-both-female-and-male-prostate-in-gerbil
#18
Bruno D A Sanches, Juliana M Santos, Bruno C Zani, Manoel F Biancardi, Fernanda C A Santos, Rejane M Góes, Patricia S L Vilamaior, Sebastião R Taboga
We employed histological techniques to assess the effects of intrauterine exposure to different dosages of E2 on male and female Mongolian gerbils on the postnatal development of the prostate. E2 promotes alterations this gland branches in the female, but not in males, even at low dosage, at higher dosages, acini of altered aspect are verified in the male and female prostate, as well as a decrease in branching number, reduced cell proliferation and staining for FGF10, simultaneously to the increased labelling for TGFβ1, which may account for alterations on branching of the prostate...
July 30, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28735443/retinoic-acid-regulates-avian-lung-branching-through-a-molecular-network
#19
Hugo Fernandes-Silva, Patrícia Vaz-Cunha, Violina Baranauskaite Barbosa, Carla Silva-Gonçalves, Jorge Correia-Pinto, Rute Silva Moura
Retinoic acid (RA) is of major importance during vertebrate embryonic development and its levels need to be strictly regulated otherwise congenital malformations will develop. Through the action of specific nuclear receptors, named RAR/RXR, RA regulates the expression of genes that eventually influence proliferation and tissue patterning. RA has been described as crucial for different stages of mammalian lung morphogenesis, and as part of a complex molecular network that contributes to precise organogenesis; nonetheless, nothing is known about its role in avian lung development...
December 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28615674/meta-analysis-of-genome-wide-snp-and-pathway-based-associations-for-facets-of-neuroticism
#20
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...
October 2017: Journal of Human Genetics
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