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The Rise and Fall of the Bovine Corpus Luteum
University of Nebraska Medical Center DigitalCommons@UNMC Theses & Dissertations Graduate Studies Spring 5-6-2017 The Rise and Fall of the Bovine Corpus Luteum Heather Talbott University of Nebraska Medical Center Follow this and additional works at: https://digitalcommons.unmc.edu/etd Part of the Biochemistry Commons, Molecular Biology Commons, and the Obstetrics and Gynecology Commons Recommended Citation Talbott, Heather, "The Rise and Fall of the Bovine Corpus Luteum" (2017). Theses & Dissertations. 207. https://digitalcommons.unmc.edu/etd/207 This Dissertation is brought to you for free and open access by the Graduate Studies at DigitalCommons@UNMC. It has been accepted for inclusion in Theses & Dissertations by an authorized administrator of DigitalCommons@UNMC. For more information, please contact [email protected]. THE RISE AND FALL OF THE BOVINE CORPUS LUTEUM by Heather Talbott A DISSERTATION Presented to the Faculty of the University of Nebraska Graduate College in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy Biochemistry and Molecular Biology Graduate Program Under the Supervision of Professor John S. Davis University of Nebraska Medical Center Omaha, Nebraska May, 2017 Supervisory Committee: Carol A. Casey, Ph.D. Andrea S. Cupp, Ph.D. Parmender P. Mehta, Ph.D. Justin L. Mott, Ph.D. i ACKNOWLEDGEMENTS This dissertation was supported by the Agriculture and Food Research Initiative from the USDA National Institute of Food and Agriculture (NIFA) Pre-doctoral award; University of Nebraska Medical Center Graduate Student Assistantship; University of Nebraska Medical Center Exceptional Incoming Graduate Student Award; the VA Nebraska-Western Iowa Health Care System Department of Veterans Affairs; and The Olson Center for Women’s Health, Department of Obstetrics and Gynecology, Nebraska Medical Center. -
What Are Their Roles in Mitochondrial Protein Synthesis?
Characterisation of human mtRF1 and C12orf65: What are their roles in mitochondrial protein synthesis? Aleksandra Pajak M.Res Thesis submitted to Newcastle University in candidature for the degree of Doctor of Philosophy Newcastle University Faculty of Medical Sciences Institute for Ageing and Health Mitochondrial Research Group January 2013 Abstract Mitochondria have their own protein synthesis machinery that synthesises the oxidative phosphorylation components encoded by their mtDNA. This translation process consists of four main phases: initiation, elongation, termination and ribosome recycling. Termination and its control have been the least investigated. Recently, however, the termination factor, mtRF1a, has been characterised as sufficient to release all the nascent proteins from the mitoribosome. Furthermore, bioinformatics has identified three additional members of this mitochondrial release factor family namely, mtRF1, C12orf65 and ICT1. The latter is now known to be incorporated into the mitoribosome but its exact function remains unclear. My project has therefore focussed on characterising the remaining two factors; mtRF1 and C12orf65, and investigating their possible involvement in mitochondrial protein synthesis. It has been demonstrated that protein synthesis is not perfect and bacterial ribosomes not infrequently stall during translation. This can result from limiting amounts of charged tRNAs, stable secondary structures, or truncated/degraded transcripts. Ribosome stalling has been shown to cause growth arrest. In order to prevent that and maintain high efficiency of mitochondrial protein synthesis such stalled complexes need to be rapidly recycled. Bacteria have developed at least three distinct mechanisms by which ribosomes can be rescued. Contrastingly, despite the presence of truncated mRNAs in mitochondria, no such quality control mechanisms have been identified in these organelles. -
Repercussions of Inborn Errors of Immunity on Growth☆ Jornal De Pediatria, Vol
Jornal de Pediatria ISSN: 0021-7557 ISSN: 1678-4782 Sociedade Brasileira de Pediatria Goudouris, Ekaterini Simões; Segundo, Gesmar Rodrigues Silva; Poli, Cecilia Repercussions of inborn errors of immunity on growth☆ Jornal de Pediatria, vol. 95, no. 1, Suppl., 2019, pp. S49-S58 Sociedade Brasileira de Pediatria DOI: https://doi.org/10.1016/j.jped.2018.11.006 Available in: https://www.redalyc.org/articulo.oa?id=399759353007 How to cite Complete issue Scientific Information System Redalyc More information about this article Network of Scientific Journals from Latin America and the Caribbean, Spain and Journal's webpage in redalyc.org Portugal Project academic non-profit, developed under the open access initiative J Pediatr (Rio J). 2019;95(S1):S49---S58 www.jped.com.br REVIEW ARTICLE ଝ Repercussions of inborn errors of immunity on growth a,b,∗ c,d e Ekaterini Simões Goudouris , Gesmar Rodrigues Silva Segundo , Cecilia Poli a Universidade Federal do Rio de Janeiro (UFRJ), Faculdade de Medicina, Departamento de Pediatria, Rio de Janeiro, RJ, Brazil b Universidade Federal do Rio de Janeiro (UFRJ), Instituto de Puericultura e Pediatria Martagão Gesteira (IPPMG), Curso de Especializac¸ão em Alergia e Imunologia Clínica, Rio de Janeiro, RJ, Brazil c Universidade Federal de Uberlândia (UFU), Faculdade de Medicina, Departamento de Pediatria, Uberlândia, MG, Brazil d Universidade Federal de Uberlândia (UFU), Hospital das Clínicas, Programa de Residência Médica em Alergia e Imunologia Pediátrica, Uberlândia, MG, Brazil e Universidad del Desarrollo, -
Evaluation of Cancer-Derived Myocardial Impairments Using a Mouse Model
www.oncotarget.com Oncotarget, 2020, Vol. 11, (No. 41), pp: 3712-3722 Research Paper Evaluation of cancer-derived myocardial impairments using a mouse model Yoshihiro Miyagawa1, Shota Nukaga1,2, Takuya Mori1, Rina Fujiwara-Tani1, Kiyomu Fujii1, Shiori Mori1, Kei Goto1,3, Shingo Kishi1, Takamitsu Sasaki1, Chie Nakashima1, Hitoshi Ohmori1, Isao Kawahara1,2, Yi Luo4 and Hiroki Kuniyasu1 1Department of Molecular Pathology, Nara Medical University, Kashihara, Nara 634-8521, Japan 2Division of Rehabilitation, Hanna Central Hospital, Ikoma, Nara 630-0243, Japan 3Division of Rehabilitation, Hoshida Minami Hospital, Katano, Osaka 576-0022, Japan 4Key Laboratory of Neuroregeneration of Jiangsu and Ministry of Education, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu Province 226001, China Correspondence to: Yi Luo, email: [email protected] Hiroki Kuniyasu, email: [email protected] Keywords: cachexia; myocardium; atrophy; mitochondria; oxidative stress Received: June 26, 2020 Accepted: September 10, 2020 Published: October 13, 2020 Copyright: © 2020 Miyagawa et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. ABSTRACT Myocardial damage in cancer patients is emphasized as a cause of death; however, there are not many murine cachexia models to evaluate cancer-derived heart disorder. Using the mouse cachexia model that we established previously, we investigated myocardial damage in tumor-bearing mice. In cachexic mice, decreased heart weight and myocardial volume, and dilated left ventricular lumen, and atrophied cardiomyocytes were noted. The cardiomyocytes also showed accumulated 8-hydroxydeoxyguanosine, decreased leucine zipper and EF-hand- containing transmembrane protein-1, and increased microtubule-associated protein light chain3-II. -
Prevalence and Incidence of Rare Diseases: Bibliographic Data
Number 1 | January 2019 Prevalence and incidence of rare diseases: Bibliographic data Prevalence, incidence or number of published cases listed by diseases (in alphabetical order) www.orpha.net www.orphadata.org If a range of national data is available, the average is Methodology calculated to estimate the worldwide or European prevalence or incidence. When a range of data sources is available, the most Orphanet carries out a systematic survey of literature in recent data source that meets a certain number of quality order to estimate the prevalence and incidence of rare criteria is favoured (registries, meta-analyses, diseases. This study aims to collect new data regarding population-based studies, large cohorts studies). point prevalence, birth prevalence and incidence, and to update already published data according to new For congenital diseases, the prevalence is estimated, so scientific studies or other available data. that: Prevalence = birth prevalence x (patient life This data is presented in the following reports published expectancy/general population life expectancy). biannually: When only incidence data is documented, the prevalence is estimated when possible, so that : • Prevalence, incidence or number of published cases listed by diseases (in alphabetical order); Prevalence = incidence x disease mean duration. • Diseases listed by decreasing prevalence, incidence When neither prevalence nor incidence data is available, or number of published cases; which is the case for very rare diseases, the number of cases or families documented in the medical literature is Data collection provided. A number of different sources are used : Limitations of the study • Registries (RARECARE, EUROCAT, etc) ; The prevalence and incidence data presented in this report are only estimations and cannot be considered to • National/international health institutes and agencies be absolutely correct. -
MECHANISMS in ENDOCRINOLOGY: Novel Genetic Causes of Short Stature
J M Wit and others Genetics of short stature 174:4 R145–R173 Review MECHANISMS IN ENDOCRINOLOGY Novel genetic causes of short stature 1 1 2 2 Jan M Wit , Wilma Oostdijk , Monique Losekoot , Hermine A van Duyvenvoorde , Correspondence Claudia A L Ruivenkamp2 and Sarina G Kant2 should be addressed to J M Wit Departments of 1Paediatrics and 2Clinical Genetics, Leiden University Medical Center, PO Box 9600, 2300 RC Leiden, Email The Netherlands [email protected] Abstract The fast technological development, particularly single nucleotide polymorphism array, array-comparative genomic hybridization, and whole exome sequencing, has led to the discovery of many novel genetic causes of growth failure. In this review we discuss a selection of these, according to a diagnostic classification centred on the epiphyseal growth plate. We successively discuss disorders in hormone signalling, paracrine factors, matrix molecules, intracellular pathways, and fundamental cellular processes, followed by chromosomal aberrations including copy number variants (CNVs) and imprinting disorders associated with short stature. Many novel causes of GH deficiency (GHD) as part of combined pituitary hormone deficiency have been uncovered. The most frequent genetic causes of isolated GHD are GH1 and GHRHR defects, but several novel causes have recently been found, such as GHSR, RNPC3, and IFT172 mutations. Besides well-defined causes of GH insensitivity (GHR, STAT5B, IGFALS, IGF1 defects), disorders of NFkB signalling, STAT3 and IGF2 have recently been discovered. Heterozygous IGF1R defects are a relatively frequent cause of prenatal and postnatal growth retardation. TRHA mutations cause a syndromic form of short stature with elevated T3/T4 ratio. Disorders of signalling of various paracrine factors (FGFs, BMPs, WNTs, PTHrP/IHH, and CNP/NPR2) or genetic defects affecting cartilage extracellular matrix usually cause disproportionate short stature. -
LETM1 Gene Leucine Zipper and EF-Hand Containing Transmembrane Protein 1
LETM1 gene leucine zipper and EF-hand containing transmembrane protein 1 Normal Function The LETM1 gene provides instructions for making a protein whose function is not well understood. This protein is active in mitochondria, which are structures within cells that convert the energy from food into a form that cells can use. The LETM1 protein may be involved in the transport of charged calcium atoms (calcium ions) across membranes within mitochondria. Researchers suspect that the protein also plays a role in determining the shape and volume of mitochondria. Health Conditions Related to Genetic Changes Wolf-Hirschhorn syndrome The LETM1 gene is located in a region of chromosome 4 that is deleted in people with the typical features of Wolf-Hirschhorn syndrome. As a result of this deletion, affected individuals are missing one copy of the LETM1 gene in each cell. Studies suggest that a loss of this gene alters the structure of mitochondria; however, it is unclear how this abnormality is related to the signs and symptoms of Wolf-Hirschhorn syndrome. Specifically, a loss of the LETM1 gene has been associated with seizures or other abnormal electrical activity in the brain. Other Names for This Gene • LETM1_HUMAN • leucine zipper-EF-hand containing transmembrane protein 1 Additional Information & Resources Tests Listed in the Genetic Testing Registry • Tests of LETM1 (https://www.ncbi.nlm.nih.gov/gtr/all/tests/?term=3954[geneid]) Scientific Articles on PubMed Reprinted from MedlinePlus Genetics (https://medlineplus.gov/genetics/) 1 • PubMed (https://pubmed.ncbi.nlm.nih.gov/?term=%28%28LETM1%5BTIAB%5D%2 -
Update on New GH-IGF Axis Genetic Defects
review Update on new GH-IGF axis genetic defects Gabriela A. Vasques1,2 1 Unidade de Endocrinologia https://orcid.org/0000-0002-6455-8682 Genética, Laboratório de Endocrinologia Celular e Nathalia L. M. Andrade1,2 https://orcid.org/0000-0002-1628-7881 Molecular (LIM25), Hospital das Clínicas, Faculdade de Fernanda A. Correa2 Medicina, Universidade de São https://orcid.org/0000-0003-2107-9494 Paulo, São Paulo, SP, Brasil 2 Alexander A. L. Jorge1,2 Unidade de Endocrinologia do https://orcid.org/0000-0003-2567-7360 Desenvolvimento, Laboratório de Hormônios e Genética Molecular (LIM42), Hospital das Clínicas, Faculdade de ABSTRACT Medicina, Universidade de São The somatotropic axis is the main hormonal regulator of growth. Growth hormone (GH), also known Paulo, São Paulo, SP, Brasil as somatotropin, and insulin-like growth factor 1 (IGF-1) are the key components of the somatotropic axis. This axis has been studied for a long time and the knowledge of how some molecules could Correspondence to: promote or impair hormones production and action has been growing over the last decade. The Alexander A. L. Jorge Laboratório de Endocrinologia enhancement of large-scale sequencing techniques has expanded the spectrum of known genes and Celular e Molecular (LIM25), several other candidate genes that could affect the GH-IGF1-bone pathway. To date, defects in more Faculdade de Medicina, than forty genes were associated with an impairment of the somatotropic axis. These defects can Universidade de São Paulo Av. Dr. Arnaldo, 455, affect from the secretion of GH to the bioavailability and action of IGF-1. Affected patients present a 5º andar, sala 5.340 large heterogeneous group of conditions associated with growth retardation. -
Genetic Disorder
Genetic disorder Single gene disorder Prevalence of some single gene disorders[citation needed] A single gene disorder is the result of a single mutated gene. Disorder Prevalence (approximate) There are estimated to be over 4000 human diseases caused Autosomal dominant by single gene defects. Single gene disorders can be passed Familial hypercholesterolemia 1 in 500 on to subsequent generations in several ways. Genomic Polycystic kidney disease 1 in 1250 imprinting and uniparental disomy, however, may affect Hereditary spherocytosis 1 in 5,000 inheritance patterns. The divisions between recessive [2] Marfan syndrome 1 in 4,000 and dominant types are not "hard and fast" although the [3] Huntington disease 1 in 15,000 divisions between autosomal and X-linked types are (since Autosomal recessive the latter types are distinguished purely based on 1 in 625 the chromosomal location of Sickle cell anemia the gene). For example, (African Americans) achondroplasia is typically 1 in 2,000 considered a dominant Cystic fibrosis disorder, but children with two (Caucasians) genes for achondroplasia have a severe skeletal disorder that 1 in 3,000 Tay-Sachs disease achondroplasics could be (American Jews) viewed as carriers of. Sickle- cell anemia is also considered a Phenylketonuria 1 in 12,000 recessive condition, but heterozygous carriers have Mucopolysaccharidoses 1 in 25,000 increased immunity to malaria in early childhood, which could Glycogen storage diseases 1 in 50,000 be described as a related [citation needed] dominant condition. Galactosemia -
Laron Syndrome
Laron syndrome Description Laron syndrome is a rare form of short stature that results from the body's inability to use growth hormone, a substance produced by the brain's pituitary gland that helps promote growth. Affected individuals are close to normal size at birth, but they experience slow growth from early childhood that results in very short stature. If the condition is not treated, adult males typically reach a maximum height of about 4.5 feet; adult females may be just over 4 feet tall. Other features of untreated Laron syndrome include reduced muscle strength and endurance, low blood sugar levels (hypoglycemia) in infancy, small genitals and delayed puberty, hair that is thin and fragile, and dental abnormalities. Many affected individuals have a distinctive facial appearance, including a protruding forehead, a sunken bridge of the nose (saddle nose), and a blue tint to the whites of the eyes (blue sclerae). Affected individuals have short limbs compared to the size of their torso, as well as small hands and feet. Adults with this condition tend to develop obesity. However, the signs and symptoms of Laron syndrome vary, even among affected members of the same family. Studies suggest that people with Laron syndrome have a significantly reduced risk of cancer and type 2 diabetes. Affected individuals appear to develop these common diseases much less frequently than their unaffected relatives, despite having obesity (a risk factor for both cancer and type 2 diabetes). However, people with Laron syndrome do not seem to have an increased lifespan compared with their unaffected relatives. Frequency Laron syndrome is a rare disorder. -
Blueprint Genetics Comprehensive Growth Disorders / Skeletal
Comprehensive Growth Disorders / Skeletal Dysplasias and Disorders Panel Test code: MA4301 Is a 374 gene panel that includes assessment of non-coding variants. This panel covers the majority of the genes listed in the Nosology 2015 (PMID: 26394607) and all genes in our Malformation category that cause growth retardation, short stature or skeletal dysplasia and is therefore a powerful diagnostic tool. It is ideal for patients suspected to have a syndromic or an isolated growth disorder or a skeletal dysplasia. About Comprehensive Growth Disorders / Skeletal Dysplasias and Disorders This panel covers a broad spectrum of diseases associated with growth retardation, short stature or skeletal dysplasia. Many of these conditions have overlapping features which can make clinical diagnosis a challenge. Genetic diagnostics is therefore the most efficient way to subtype the diseases and enable individualized treatment and management decisions. Moreover, detection of causative mutations establishes the mode of inheritance in the family which is essential for informed genetic counseling. For additional information regarding the conditions tested on this panel, please refer to the National Organization for Rare Disorders and / or GeneReviews. Availability 4 weeks Gene Set Description Genes in the Comprehensive Growth Disorders / Skeletal Dysplasias and Disorders Panel and their clinical significance Gene Associated phenotypes Inheritance ClinVar HGMD ACAN# Spondyloepimetaphyseal dysplasia, aggrecan type, AD/AR 20 56 Spondyloepiphyseal dysplasia, Kimberley -
Blueprint Genetics Comprehensive Skeletal Dysplasias and Disorders
Comprehensive Skeletal Dysplasias and Disorders Panel Test code: MA3301 Is a 251 gene panel that includes assessment of non-coding variants. Is ideal for patients with a clinical suspicion of disorders involving the skeletal system. About Comprehensive Skeletal Dysplasias and Disorders This panel covers a broad spectrum of skeletal disorders including common and rare skeletal dysplasias (eg. achondroplasia, COL2A1 related dysplasias, diastrophic dysplasia, various types of spondylo-metaphyseal dysplasias), various ciliopathies with skeletal involvement (eg. short rib-polydactylies, asphyxiating thoracic dysplasia dysplasias and Ellis-van Creveld syndrome), various subtypes of osteogenesis imperfecta, campomelic dysplasia, slender bone dysplasias, dysplasias with multiple joint dislocations, chondrodysplasia punctata group of disorders, neonatal osteosclerotic dysplasias, osteopetrosis and related disorders, abnormal mineralization group of disorders (eg hypopohosphatasia), osteolysis group of disorders, disorders with disorganized development of skeletal components, overgrowth syndromes with skeletal involvement, craniosynostosis syndromes, dysostoses with predominant craniofacial involvement, dysostoses with predominant vertebral involvement, patellar dysostoses, brachydactylies, some disorders with limb hypoplasia-reduction defects, ectrodactyly with and without other manifestations, polydactyly-syndactyly-triphalangism group of disorders, and disorders with defects in joint formation and synostoses. Availability 4 weeks Gene Set Description