Kurko Et Al. Additional File 2. Genes Included in Nanostring Panel Accesion Number Gene ID XR 001323797.1 Adma XM 014175339.1 AD
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Correct Setup of the Substantia Nigra Requires Reelin-Mediated Fast, Laterally- Directed Migration of Dopaminergic Neurons
RESEARCH ARTICLE Correct setup of the substantia nigra requires Reelin-mediated fast, laterally- directed migration of dopaminergic neurons Ankita Ravi Vaswani1, Beatrice Weykopf2†, Cathleen Hagemann1, Hans-Ulrich Fried3, Oliver Bru¨ stle2, Sandra Blaess1* 1Neurodevelopmental Genetics, Institute of Reconstructive Neurobiology, University of Bonn School of Medicine & University Hospital Bonn, Bonn, Germany; 2Institute of Reconstructive Neurobiology, University of Bonn School of Medicine & University Hospital Bonn, Bonn, Germany; 3Light Microscope Facility, German Center for Neurodegenerative Diseases, Bonn, Germany Abstract Midbrain dopaminergic (mDA) neurons migrate to form the laterally-located substantia nigra pars compacta (SN) and medially-located ventral tegmental area (VTA), but little is known about the underlying cellular and molecular processes. Here we visualize the dynamic cell morphologies of tangentially migrating SN-mDA neurons in 3D and identify two distinct migration modes. Slow migration is the default mode in SN-mDA neurons, while fast, laterally-directed *For correspondence: migration occurs infrequently and is strongly associated with bipolar cell morphology. Tangential [email protected] migration of SN-mDA neurons is altered in absence of Reelin signaling, but it is unclear whether Reelin acts directly on migrating SN-mDA neurons and how it affects their cell morphology and † Present address: Precision migratory behavior. By specifically inactivating Reelin signaling in mDA neurons we demonstrate its Neurology Program & Advanced direct role in SN-mDA tangential migration. Reelin promotes laterally-biased movements in mDA Center for Parkinson’s Disease neurons during their slow migration mode, stabilizes leading process morphology and increases the Research, Harvard Medical School and Brigham & Women’s probability of fast, laterally-directed migration. -
Systematic Comparison of Sea Urchin and Sea Star Developmental Gene Regulatory Networks Explains How Novelty Is Incorporated in Early Development
ARTICLE https://doi.org/10.1038/s41467-020-20023-4 OPEN Systematic comparison of sea urchin and sea star developmental gene regulatory networks explains how novelty is incorporated in early development Gregory A. Cary 1,3,5, Brenna S. McCauley1,4,5, Olga Zueva1, Joseph Pattinato1, William Longabaugh2 & ✉ Veronica F. Hinman 1 1234567890():,; The extensive array of morphological diversity among animal taxa represents the product of millions of years of evolution. Morphology is the output of development, therefore phenotypic evolution arises from changes to the topology of the gene regulatory networks (GRNs) that control the highly coordinated process of embryogenesis. A particular challenge in under- standing the origins of animal diversity lies in determining how GRNs incorporate novelty while preserving the overall stability of the network, and hence, embryonic viability. Here we assemble a comprehensive GRN for endomesoderm specification in the sea star from zygote through gastrulation that corresponds to the GRN for sea urchin development of equivalent territories and stages. Comparison of the GRNs identifies how novelty is incorporated in early development. We show how the GRN is resilient to the introduction of a transcription factor, pmar1, the inclusion of which leads to a switch between two stable modes of Delta-Notch signaling. Signaling pathways can function in multiple modes and we propose that GRN changes that lead to switches between modes may be a common evolutionary mechanism for changes in embryogenesis. Our data additionally proposes a model in which evolutionarily conserved network motifs, or kernels, may function throughout development to stabilize these signaling transitions. 1 Department of Biological Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA. -
Watsonjn2018.Pdf (1.780Mb)
UNIVERSITY OF CENTRAL OKLAHOMA Edmond, Oklahoma Department of Biology Investigating Differential Gene Expression in vivo of Cardiac Birth Defects in an Avian Model of Maternal Phenylketonuria A THESIS SUBMITTED TO THE GRADUATE FACULTY In partial fulfillment of the requirements For the degree of MASTER OF SCIENCE IN BIOLOGY By Jamie N. Watson Edmond, OK June 5, 2018 J. Watson/Dr. Nikki Seagraves ii J. Watson/Dr. Nikki Seagraves Acknowledgements It is difficult to articulate the amount of gratitude I have for the support and encouragement I have received throughout my master’s thesis. Many people have added value and support to my life during this time. I am thankful for the education, experience, and friendships I have gained at the University of Central Oklahoma. First, I would like to thank Dr. Nikki Seagraves for her mentorship and friendship. I lucked out when I met her. I have enjoyed working on this project and I am very thankful for her support. I would like thank Thomas Crane for his support and patience throughout my master’s degree. I would like to thank Dr. Shannon Conley for her continued mentorship and support. I would like to thank Liz Bullen and Dr. Eric Howard for their training and help on this project. I would like to thank Kristy Meyer for her friendship and help throughout graduate school. I would like to thank my committee members Dr. Robert Brennan and Dr. Lilian Chooback for their advisement on this project. Also, I would like to thank the biology faculty and staff. I would like to thank the Seagraves lab members: Jailene Canales, Kayley Pate, Mckayla Muse, Grace Thetford, Kody Harvey, Jordan Guffey, and Kayle Patatanian for their hard work and support. -
Transcription Profiles of Age-At-Maturity-Associated Genes Suggest Cell Fate Commitment Regulation As a Key Factor in the Atlant
INVESTIGATION Transcription Profiles of Age-at-Maturity- Associated Genes Suggest Cell Fate Commitment Regulation as a Key Factor in the Atlantic Salmon Maturation Process Johanna Kurko,*,† Paul V. Debes,*,† Andrew H. House,*,† Tutku Aykanat,*,† Jaakko Erkinaro,‡ and Craig R. Primmer*,†,1 *Organismal and Evolutionary Biology Research Programme, University of Helsinki, Helsinki, Finland, 00014, †Institute of Biotechnology, University of Helsinki, Helsinki, Finland, 00014, and ‡Natural Resources Institute Finland (Luke), Oulu, Finland, 90014 ORCID IDs: 0000-0002-4598-116X (J.K.); 0000-0003-4491-9564 (P.V.D.); 0000-0001-8705-0358 (A.H.H.); 0000-0002-4825-0231 (T.A.); 0000-0002-7843-0364 (J.E.); 0000-0002-3687-8435 (C.R.P.) ABSTRACT Despite recent taxonomic diversification in studies linking genotype with phenotype, KEYWORDS follow-up studies aimed at understanding the molecular processes of such genotype-phenotype Atlantic salmon associations remain rare. The age at which an individual reaches sexual maturity is an important fitness maturation trait in many wild species. However, the molecular mechanisms regulating maturation timing process processes remain obscure. A recent genome-wide association study in Atlantic salmon (Salmo salar) vgll3 identified large-effect age-at-maturity-associated chromosomal regions including genes vgll3, akap11 mRNA and six6, which have roles in adipogenesis, spermatogenesis and the hypothalamic-pituitary-gonadal expression (HPG) axis, respectively. Here, we determine expression patterns of these genes during salmon de- cell fate velopment and their potential molecular partners and pathways. Using Nanostring transcription pro- regulation filing technology, we show development- and tissue-specific mRNA expression patterns for vgll3, akap11 and six6. Correlated expression levels of vgll3 and akap11, which have adjacent chromosomal location, suggests they may have shared regulation. -
SUPPLEMENTARY MATERIAL Bone Morphogenetic Protein 4 Promotes
www.intjdevbiol.com doi: 10.1387/ijdb.160040mk SUPPLEMENTARY MATERIAL corresponding to: Bone morphogenetic protein 4 promotes craniofacial neural crest induction from human pluripotent stem cells SUMIYO MIMURA, MIKA SUGA, KAORI OKADA, MASAKI KINEHARA, HIROKI NIKAWA and MIHO K. FURUE* *Address correspondence to: Miho Kusuda Furue. Laboratory of Stem Cell Cultures, National Institutes of Biomedical Innovation, Health and Nutrition, 7-6-8, Saito-Asagi, Ibaraki, Osaka 567-0085, Japan. Tel: 81-72-641-9819. Fax: 81-72-641-9812. E-mail: [email protected] Full text for this paper is available at: http://dx.doi.org/10.1387/ijdb.160040mk TABLE S1 PRIMER LIST FOR QRT-PCR Gene forward reverse AP2α AATTTCTCAACCGACAACATT ATCTGTTTTGTAGCCAGGAGC CDX2 CTGGAGCTGGAGAAGGAGTTTC ATTTTAACCTGCCTCTCAGAGAGC DLX1 AGTTTGCAGTTGCAGGCTTT CCCTGCTTCATCAGCTTCTT FOXD3 CAGCGGTTCGGCGGGAGG TGAGTGAGAGGTTGTGGCGGATG GAPDH CAAAGTTGTCATGGATGACC CCATGGAGAAGGCTGGGG MSX1 GGATCAGACTTCGGAGAGTGAACT GCCTTCCCTTTAACCCTCACA NANOG TGAACCTCAGCTACAAACAG TGGTGGTAGGAAGAGTAAAG OCT4 GACAGGGGGAGGGGAGGAGCTAGG CTTCCCTCCAACCAGTTGCCCCAAA PAX3 TTGCAATGGCCTCTCAC AGGGGAGAGCGCGTAATC PAX6 GTCCATCTTTGCTTGGGAAA TAGCCAGGTTGCGAAGAACT p75 TCATCCCTGTCTATTGCTCCA TGTTCTGCTTGCAGCTGTTC SOX9 AATGGAGCAGCGAAATCAAC CAGAGAGATTTAGCACACTGATC SOX10 GACCAGTACCCGCACCTG CGCTTGTCACTTTCGTTCAG Suppl. Fig. S1. Comparison of the gene expression profiles of the ES cells and the cells induced by NC and NC-B condition. Scatter plots compares the normalized expression of every gene on the array (refer to Table S3). The central line -
Supplemental Figure 1. Recombination Pattern of Six3-Cre in the Adult Retina and Brain
Supplemental Figure 1. Recombination pattern of Six3-cre in the adult retina and brain. The conditional reporter line, R26R, commences expression of β-galactosidase upon Cre-mediated recombination. The recombination pattern of the Six3-cre transgene in the retina on P21 reveals widespread recombination in all layers (A-C). At the retinal margin, areas devoid of recombination are apparent, as depicted by gaps in the X-gal staining pattern in this region (C, arrowheads). Co- immunolabeling using anti-Isl1 and anti-β-galactosidase reveals that most Isll+ cells in the INL co-localize with Six3-cre's lineage (D-F), although several Isl1+ cells are devoid of detectable reporter expression (D-F, arrowheads). At the retinal margin, many more Isl1+ cells devoid of detectable reporter expression are encountered (G-I, arrowheads). The recombination pattern of Six3-cre in the brain of P21 animals reveals widespread recombination in the hypothalamus, septum and striatum (J). Scale bar equals 50 µm in B (applies to B-C), in F (applies to D-F), in I (applies to G-I), and 1mm in J. Supplemental Figure 2. Additional cell marker expression in the Isl1-null retina. Isl1-null retinas display a 71% reduction in the expression of the RGC marker Pou4f1 (B) compared to control (A; average number of Pou4f1+ cells ± standard deviation: controls: 35 ± 7, n=3; Isl1-nulls: 10 ± 2, n=3, p<0.01, Student's t test). A slight 17% increase in the numbers of the horizontal cell marker, Calbindin-28K, in Isl1-null retinas is observed, although this change is not significant (compare C to D; average number of Calbindin-28K+ cells ± standard deviation: controls: 10 ± 2, n=4; Isl1-nulls: 12 ± 1, n=4, p=0.05, Student's t test). -
Brain Region-Dependent Gene Networks Associated with Selective Breeding for Increased Voluntary Wheel-Running Behavior
UC Riverside UC Riverside Previously Published Works Title Brain region-dependent gene networks associated with selective breeding for increased voluntary wheel-running behavior. Permalink https://escholarship.org/uc/item/8c49g8fd Journal PloS one, 13(8) ISSN 1932-6203 Authors Zhang, Pan Rhodes, Justin S Garland, Theodore et al. Publication Date 2018 DOI 10.1371/journal.pone.0201773 Peer reviewed eScholarship.org Powered by the California Digital Library University of California RESEARCH ARTICLE Brain region-dependent gene networks associated with selective breeding for increased voluntary wheel-running behavior Pan Zhang1,2, Justin S. Rhodes3,4, Theodore Garland, Jr.5, Sam D. Perez3, Bruce R. Southey2, Sandra L. Rodriguez-Zas2,6,7* 1 Illinois Informatics Institute, University of Illinois at Urbana-Champaign, Urbana, IL, United States of America, 2 Department of Animal Sciences, University of Illinois at Urbana-Champaign, Urbana, IL, United a1111111111 States of America, 3 Beckman Institute for Advanced Science and Technology, Urbana, IL, United States of a1111111111 America, 4 Center for Nutrition, Learning and Memory, University of Illinois at Urbana-Champaign, Urbana, a1111111111 IL, United States of America, 5 Department of Evolution, Ecology, and Organismal Biology, University of a1111111111 California, Riverside, CA, United States of America, 6 Department of Statistics, University of Illinois at Urbana-Champaign, Urbana, IL, United States of America, 7 Carle Woese Institute for Genomic Biology, a1111111111 University of Illinois at Urbana-Champaign, Urbana, IL, United States of America * [email protected] OPEN ACCESS Abstract Citation: Zhang P, Rhodes JS, Garland T, Jr., Perez SD, Southey BR, Rodriguez-Zas SL (2018) Brain Mouse lines selectively bred for high voluntary wheel-running behavior are helpful models region-dependent gene networks associated with for uncovering gene networks associated with increased motivation for physical activity and selective breeding for increased voluntary wheel- other reward-dependent behaviors. -
Bone Morphogenetic Protein-4 Affects Both Trophoblast and Non-Trophoblast Lineage-Associated Gene Expression in Human Embryonic Stem Cells
Vol.2, No.4, 163-175 (2012) Stem Cell Discovery http://dx.doi.org/10.4236/scd.2012.24021 Bone morphogenetic protein-4 affects both trophoblast and non-trophoblast lineage-associated gene expression in human embryonic stem cells Margaret L. Shirley1,2*, Alison Venable1*, Raj R. Rao3, Nolan L. Boyd4, Steven L. Stice1,5,6, David Puett1#, Prema Narayan7# 1Department of Biochemistry and Molecular Biology, University of Georgia, Athens, USA; #Corresponding Author: [email protected] 2Department of Psychiatry, University of California, San Francisco, USA 3Department of Chemical and Life Science Engineering, School of Engineering, Virginia Commonwealth University, Richmond, USA 4Cardiovascular Innovation Institute, University of Louisville, Louisville, USA 5Regenerative Bioscience Center, University of Georgia, Athens, USA 6Department of Animal and Dairy Sciences, University of Georgia, Athens, USA 7Department of Physiology, Southern Illinois University School of Medicine, Carbondale, USA; #Corresponding Author: [email protected] Received 5 May 2012; revised 4 June 2012; accepted 1 July 2012 ABSTRACT cells were obtained. Gene expression by EB was characterized by an up-regulation of a num- Human embryonic stem cells (hESC) can be in- ber of genes associated with trophoblast, ecto- duced to differentiate to trophoblast by bone derm, endoderm, and mesoderm, and the pro- morphogenetic proteins (BMPs) and by aggre- duction of hCG and progesterone confirmed that gation to form embryoid bodies (EB), but there trophoblast-like cells were formed. These re- are many differences and controversies regard- sults suggest that, in the presence of FGF-2, ing the nature of the differentiated cells. Our BG02 cells respond to BMP4 to yield tropho- goals herein were to determine if BG02 cells form trophoblast-like cells (a) in the presence of blast-like cells, which are also obtained upon EB BMP4-plus-basic fibroblast growth factor (FGF-2) formation. -
Transcriptional and Post-Transcriptional Regulation of ATP-Binding Cassette Transporter Expression
Transcriptional and Post-transcriptional Regulation of ATP-binding Cassette Transporter Expression by Aparna Chhibber DISSERTATION Submitted in partial satisfaction of the requirements for the degree of DOCTOR OF PHILOSOPHY in Pharmaceutical Sciences and Pbarmacogenomies in the Copyright 2014 by Aparna Chhibber ii Acknowledgements First and foremost, I would like to thank my advisor, Dr. Deanna Kroetz. More than just a research advisor, Deanna has clearly made it a priority to guide her students to become better scientists, and I am grateful for the countless hours she has spent editing papers, developing presentations, discussing research, and so much more. I would not have made it this far without her support and guidance. My thesis committee has provided valuable advice through the years. Dr. Nadav Ahituv in particular has been a source of support from my first year in the graduate program as my academic advisor, qualifying exam committee chair, and finally thesis committee member. Dr. Kathy Giacomini graciously stepped in as a member of my thesis committee in my 3rd year, and Dr. Steven Brenner provided valuable input as thesis committee member in my 2nd year. My labmates over the past five years have been incredible colleagues and friends. Dr. Svetlana Markova first welcomed me into the lab and taught me numerous laboratory techniques, and has always been willing to act as a sounding board. Michael Martin has been my partner-in-crime in the lab from the beginning, and has made my days in lab fly by. Dr. Yingmei Lui has made the lab run smoothly, and has always been willing to jump in to help me at a moment’s notice. -
Six3 Repression of Wnt Signaling in the Anterior Neuroectoderm Is Essential for Vertebrate Forebrain Development
Downloaded from genesdev.cshlp.org on September 24, 2021 - Published by Cold Spring Harbor Laboratory Press Six3 repression of Wnt signaling in the anterior neuroectoderm is essential for vertebrate forebrain development Oleg V. Lagutin,1 Changqi C. Zhu,1 Daisuke Kobayashi,2 Jacek Topczewski,3 Kenji Shimamura,2 Luis Puelles,4 Helen R.C. Russell,1 Peter J. McKinnon,1 Lilianna Solnica-Krezel,3 and Guillermo Oliver1,5 1Department of Genetics, St. Jude Children’s Research Hospital, Memphis, Tennessee 38105-2794, USA; 2Department of Neurobiology, Graduate School of Medicine, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan; 3 Department of Biological Sciences, Vanderbilt University, Nashville, Tennessee 37232, USA; 4Department of Morphological Sciences, Faculty of Medicine, University of Murcia, E-30100 Murcia, Spain In vertebrate embryos, formation of anterior neural structures requires suppression of Wnt signals emanating from the paraxial mesoderm and midbrain territory. In Six3−/− mice, the prosencephalon was severely truncated, and the expression of Wnt1 was rostrally expanded, a finding that indicates that the mutant head was posteriorized. Ectopic expression of Six3 in chick and fish embryos, together with the use of in vivo and in vitro DNA-binding assays, allowed us to determine that Six3 is a direct negative regulator of Wnt1 expression. These results, together with those of phenotypic rescue of headless/tcf3 zebrafish mutants by mouse Six3, demonstrate that regionalization of the vertebrate forebrain involves repression of Wnt1 expression by Six3 within the anterior neuroectoderm. Furthermore, these results support the hypothesis that a Wnt signal gradient specifies posterior fates in the anterior neural plate. [Keywords: Six3; forebrain; mouse; homeobox; Wnt; zebrafish] Received November 15, 2002; revised version accepted December 9, 2002. -
Lhx1 Maintains Synchrony Among Circadian Oscillator Neurons
RESEARCH ARTICLE elifesciences.org Lhx1 maintains synchrony among circadian oscillator neurons of the SCN Megumi Hatori1*†‡, Shubhroz Gill1†, Ludovic S Mure1, Martyn Goulding2, Dennis D M O'Leary2, Satchidananda Panda1* 1Regulatory Biology Laboratory, Salk Institute for Biological Studies, La Jolla, United States; 2Molecular Neurobiology Laboratory, Salk Institute for Biological Studies, La Jolla, United States Abstract The robustness and limited plasticity of the master circadian clock in the suprachiasmatic nucleus (SCN) is attributed to strong intercellular communication among its constituent neurons. However, factors that specify this characteristic feature of the SCN are unknown. Here, we identified Lhx1 as a regulator of SCN coupling. A phase-shifting light pulse causes acute reduction in Lhx1 expression and of its target genes that participate in SCN coupling. Mice lacking Lhx1 in the SCN have intact circadian oscillators, but reduced levels of coupling factors. Consequently, the mice rapidly phase shift under a jet lag paradigm and their behavior rhythms gradually deteriorate under constant condition. Ex vivo recordings of the SCN from these mice showed rapid desynchronization of unit oscillators. Therefore, by regulating expression of genes mediating intercellular communication, Lhx1 imparts synchrony among SCN neurons and ensures consolidated rhythms of activity and rest that is resistant to photic noise. *For correspondence: mhatori@ DOI: 10.7554/eLife.03357.001 a6.keio.jp (MH); [email protected] (SP) †These authors contributed equally to this work Introduction Present address: ‡School of Circadian clocks generate ∼24 hr rhythms in behavior and physiology which allow an organism to Medicine, Keio University, Tokyo, anticipate and adjust to environmental changes accompanying the earth's day/night cycle. -
An OTX2-PAX3 Signaling Axis Regulates Group 3 Medulloblastoma Cell Fate
ARTICLE https://doi.org/10.1038/s41467-020-17357-4 OPEN An OTX2-PAX3 signaling axis regulates Group 3 medulloblastoma cell fate Jamie Zagozewski1, Ghazaleh M. Shahriary 1, Ludivine Coudière Morrison1, Olivier Saulnier 2,3, Margaret Stromecki1, Agnes Fresnoza4, Gareth Palidwor5, Christopher J. Porter 5, Antoine Forget6,7, Olivier Ayrault 6,7, Cynthia Hawkins2,8,9, Jennifer A. Chan10, Maria C. Vladoiu2,3,9, Lakshmikirupa Sundaresan2,3, Janilyn Arsenio11,12, Michael D. Taylor 2,3,9,13, Vijay Ramaswamy 2,3,14,15 & ✉ Tamra E. Werbowetski-Ogilvie 1 1234567890():,; OTX2 is a potent oncogene that promotes tumor growth in Group 3 medulloblastoma. However, the mechanisms by which OTX2 represses neural differentiation are not well characterized. Here, we perform extensive multiomic analyses to identify an OTX2 regulatory network that controls Group 3 medulloblastoma cell fate. OTX2 silencing modulates the repressive chromatin landscape, decreases levels of PRC2 complex genes and increases the expression of neurodevelopmental transcription factors including PAX3 and PAX6. Expression of PAX3 and PAX6 is significantly lower in Group 3 medulloblastoma patients and is cor- related with reduced survival, yet only PAX3 inhibits self-renewal in vitro and increases survival in vivo. Single cell RNA sequencing of Group 3 medulloblastoma tumorspheres demonstrates expression of an undifferentiated progenitor program observed in primary tumors and characterized by translation/elongation factor genes. Identification of mTORC1 signaling as a downstream effector of OTX2-PAX3 reveals roles for protein synthesis pathways in regulating Group 3 medulloblastoma pathogenesis. 1 Regenerative Medicine Program, Department of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, MB, Canada. 2 The Arthur and Sonia Labatt Brain Tumour Research Center, The Hospital for Sick Children, Toronto, ON, Canada.