National Center for Advancing Translational Sciences 2014 Report
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Exosome TDP-43 Profile in Canine Model of ALS: a Preliminary Study in Developing Surrogate Biomarker
bioRxiv preprint doi: https://doi.org/10.1101/2021.06.17.448876; this version posted June 18, 2021. The copyright holder for this preprint (which was not certified by peer review) is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under aCC-BY-NC-ND 4.0 International license. Exosome TDP-43 profile in canine model of ALS: A preliminary study in developing surrogate biomarker Penelope Pfeiffer 1, Joan R. Coates 2, Andrew Kennedy3, Kyleigh Getchell3, Edina Kosa3, Abdulbaki Agbas 3, 4* 1 Mount Sinai Hospital, Chicago IL; [email protected] 2 University of Missouri-Columbia, MO; [email protected] 3 Kansas City University, Kansas City MO; [email protected]; [email protected]; [email protected]; [email protected] 4 Heartland Center for Mitochondrial Medicine, Kansas City KS * Correspondence: [email protected]; Tel.: +1 816-654-7614 Abstract: Blood-based biomarkers are much-needed diagnostic and prognostic tools for ALS. Canine degenerative myelopathy (DM) is recognized animal disease model to study the biology of human ALS. Serum derived exosomes are potential carrier that transport intercellular hormone-like messengers, together with their stability as carrier of proteins and RNA, make them ideal as biomarkers for a variety of diseases and biological processes. We study exosomal TDP-43 pattern as a surrogate biomarker that reflects biochemical changes in central nervous system. We isolated exosomes from canine serum using commercial exosome isolation reagents. TDP-43 and SOD1 profile in spinal cord homogenate lysate and that of serum-derived exosomes were found elevated in dogs with DM. -
The Good and the Bad of CRISPR/Cas9 Genome Editing
Replicating human disease in rodents: the good and the bad of CRISPR/Cas9 genome editing Guillaume Pavlovic, PhD Head of Unit at PHENOMIN ‐ Institut Clinique de la Souris email: [email protected] CMC Strategy Forum Europe linkedIn: http://bit.ly/2VMLoJ9 Understanding Human disease with rodents: three challenges phenotypes of protein Some failure of mice and other coding genes in Mouse model organisms studies to be replicated or translated to humans Multiple phenotypes No known Knowledge Translation phenotype on disease from rodent One genes to Human phenotype Probability of success Reproducibility of preclinical studies https://www.mousephenotype.org/ 50% of preclinical data are irreproducible CRISPR/Cas9 genome editing in rodents THE GOOD What new possibilities does CRISPR open to better mimic human diseases ? – The genetic context (background) is not adapted – The designed mutation does not mimic the Human pathology With CRISPR/Cas9 new types of mutations can be easily engineered THE BAD There is more than off targets ! Understanding CRISPR/Cas9 genome editing to reduce lack of reproducibility – You are facing experimental variability, poor experimental design or bad reproducibility why do the results discovered using in vivo models sometimes fail to translate to human disease? Plenty of literature showing that the inbred genetic background has an effect on the phenotype Cerebellar phenotype of En1Hd/Hd mutants on 129/Sv and C57BL/6J backgrounds. deletion of the cerebellum 129/Sv—En1Hd/Hd C57BL/6J—En1Hd/Hd Bilovocky et al. J. Neurosci. 2003 why do the results discovered using in vivo models sometimes fail to translate to human disease? Plenty of literature showing that the inbred genetic background has an effect on the phenotype genetic background limits generalizability of genotype-phenotype relationships Sittig et al. -
Current and Emerging Treatment Options for Endometriosis
Expert Opinion on Pharmacotherapy ISSN: 1465-6566 (Print) 1744-7666 (Online) Journal homepage: http://www.tandfonline.com/loi/ieop20 Current and emerging treatment options for endometriosis Simone Ferrero, Giulio Evangelisti & Fabio Barra To cite this article: Simone Ferrero, Giulio Evangelisti & Fabio Barra (2018): Current and emerging treatment options for endometriosis, Expert Opinion on Pharmacotherapy, DOI: 10.1080/14656566.2018.1494154 To link to this article: https://doi.org/10.1080/14656566.2018.1494154 Published online: 05 Jul 2018. Submit your article to this journal View Crossmark data Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/action/journalInformation?journalCode=ieop20 EXPERT OPINION ON PHARMACOTHERAPY https://doi.org/10.1080/14656566.2018.1494154 REVIEW Current and emerging treatment options for endometriosis Simone Ferrero a,b, Giulio Evangelistia,b and Fabio Barra a,b aAcademic Unit of Obstetrics and Gynecology, Ospedale Policlinico San Martino, Genoa, Italy; bDepartment of Neurosciences, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DiNOGMI), University of Genoa, Genoa, Italy ABSTRACT ARTICLE HISTORY Introduction: Pharmacotherapy has a pivotal role in the management of endometriosis with long-term Received 8 June 2018 treatments balancing clinical efficacy (control of pain symptoms and prevention of recurrence of the Accepted 25 June 2018 disease after surgery) with an acceptable safety profile. Treatment choice is based on several factors KEYWORDS including age and patient preference, reproductive plans, intensity of pain, severity of disease and Endometriosis; combined incidence of adverse effects. oral contraceptives; Areas covered: The aim of this review is to provide the reader with a complete overview of drugs that progestins; gonadotropin- are currently available or are under investigation for the treatment of endometriosis highlighting on- releasing hormone agonist; going clinical trials. -
Lancl1 Promotes Motor Neuron Survival and Extends the Lifespan of Amyotrophic Lateral Sclerosis Mice
Cell Death & Differentiation (2020) 27:1369–1382 https://doi.org/10.1038/s41418-019-0422-6 ARTICLE LanCL1 promotes motor neuron survival and extends the lifespan of amyotrophic lateral sclerosis mice 1 1 1 1 1 1 1 Honglin Tan ● Mina Chen ● Dejiang Pang ● Xiaoqiang Xia ● Chongyangzi Du ● Wanchun Yang ● Yiyuan Cui ● 1,2 1 1,3 4 4 3 1,5 Chao Huang ● Wanxiang Jiang ● Dandan Bi ● Chunyu Li ● Huifang Shang ● Paul F. Worley ● Bo Xiao Received: 19 November 2018 / Revised: 3 September 2019 / Accepted: 6 September 2019 / Published online: 30 September 2019 © The Author(s) 2019. This article is published with open access Abstract Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterized by progressive loss of motor neurons. Improving neuronal survival in ALS remains a significant challenge. Previously, we identified Lanthionine synthetase C-like protein 1 (LanCL1) as a neuronal antioxidant defense gene, the genetic deletion of which causes apoptotic neurodegeneration in the brain. Here, we report in vivo data using the transgenic SOD1G93A mouse model of ALS indicating that CNS-specific expression of LanCL1 transgene extends lifespan, delays disease onset, decelerates symptomatic progression, and improves motor performance of SOD1G93A mice. Conversely, CNS-specific deletion of fl 1234567890();,: 1234567890();,: LanCL1 leads to neurodegenerative phenotypes, including motor neuron loss, neuroin ammation, and oxidative damage. Analysis reveals that LanCL1 is a positive regulator of AKT activity, and LanCL1 overexpression restores the impaired AKT activity in ALS model mice. These findings indicate that LanCL1 regulates neuronal survival through an alternative mechanism, and suggest a new therapeutic target in ALS. -
Preliminary Evidence for an Influence of Exposure to Polycyclic Aromatic
Zhang et al. BMC Pediatrics (2021) 21:86 https://doi.org/10.1186/s12887-021-02539-w RESEARCH ARTICLE Open Access Preliminary evidence for an influence of exposure to polycyclic aromatic hydrocarbons on the composition of the gut microbiota and neurodevelopment in three-year-old healthy children Wei Zhang1†, Zhongqing Sun2†,QianZhang3†,ZhitaoSun4,YaSu4,JiahuiSong1,BinglingWang4* and Ruqin Gao4* Abstract Background: During the second and third year after birth the gut microbiota (GM) is subjected to important development. The polycyclic aromatic hydrocarbon (PAH) exposure could influence the GM in animal and early postnatal exposure is associated with neurodevelopment disorder in children. This study was designed to explore the possible influence of the polycyclic aromatic hydrocarbons (PAHs) on the composition of the gut microbiota (GM) and neurodevelopment in a sample of 38 healthy children at the age of 3 years. Methods: A brief development (Gesell Development Inventory, GDI) and behavior test (Child Behavior Checklist, CBCL) were completed on 3-yr-olds and stool samples were collected for 16S rRNA V4-V5 sequencing. The PAH- DNA adduct in the umbilical cord blood and the urinary hydroxyl PAHs (OH-PAHs) at the age of 12 months were measured as pre- and postnatal PAH exposure, respectively. Results: The most abundant two phyla were Bacteroidetes (68.6%) and Firmicutes (24.2%). The phyla Firmicutes, Actinobacteria, Proteobacteria, Tenericutes, and Lentisphaerae were positively correlated with most domain behaviors of the GDI, whereas the Bacteroidetes, Cyanobacteria, and Fusobacteria were negatively correlated. Correspondingly, the phyla Bacteroidetes, Actinobacteria, and Fusobacteria showed positive correlations with most CBCL core and broadband syndromes, whereas the Firmicutes, Verrucomicrobia, Synergistetes, Proteobacteria and Tenericules were negatively correlated. -
SUPPLEMENTARY MATERIAL Effect of Next
SUPPLEMENTARY MATERIAL Effect of Next-Generation Exome Sequencing Depth for Discovery of Diagnostic Variants KKyung Kim1,2,3†, Moon-Woo Seong4†, Won-Hyong Chung3, Sung Sup Park4, Sangseob Leem1, Won Park5,6, Jihyun Kim1,2, KiYoung Lee1,2*‡, Rae Woong Park1,2* and Namshin Kim5,6** 1Department of Biomedical Informatics, Ajou University School of Medicine, Suwon 443-749, Korea 2Department of Biomedical Science, Graduate School, Ajou University, Suwon 443-749, Korea, 3Korean Bioinformation Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-806, Korea, 4Department of Laboratory Medicine, Seoul National University Hospital College of Medicine, Seoul 110-799, Korea, 5Department of Functional Genomics, Korea University of Science and Technology, Daejeon 305-806, Korea, 6Epigenomics Research Center, Genome Institute, Korea Research Institute of Bioscience and Biotechnology, Daejeon 305-806, Korea http//www. genominfo.org/src/sm/gni-13-31-s001.pdf Supplementary Table 1. List of diagnostic genes Gene Symbol Description Associated diseases ABCB11 ATP-binding cassette, sub-family B (MDR/TAP), member 11 Intrahepatic cholestasis ABCD1 ATP-binding cassette, sub-family D (ALD), member 1 Adrenoleukodystrophy ACVR1 Activin A receptor, type I Fibrodysplasia ossificans progressiva AGL Amylo-alpha-1, 6-glucosidase, 4-alpha-glucanotransferase Glycogen storage disease ALB Albumin Analbuminaemia APC Adenomatous polyposis coli Adenomatous polyposis coli APOE Apolipoprotein E Apolipoprotein E deficiency AR Androgen receptor Androgen insensitivity -
The Limb-Girdle Muscular Dystrophies and the Dystrophinopathies Review Article
Review Article 04/25/2018 on mAXWo3ZnzwrcFjDdvMDuzVysskaX4mZb8eYMgWVSPGPJOZ9l+mqFwgfuplwVY+jMyQlPQmIFeWtrhxj7jpeO+505hdQh14PDzV4LwkY42MCrzQCKIlw0d1O4YvrWMUvvHuYO4RRbviuuWR5DqyTbTk/icsrdbT0HfRYk7+ZAGvALtKGnuDXDohHaxFFu/7KNo26hIfzU/+BCy16w7w1bDw== by https://journals.lww.com/continuum from Downloaded Downloaded from Address correspondence to https://journals.lww.com/continuum Dr Stanley Jones P. Iyadurai, Ohio State University, Wexner The Limb-Girdle Medical Center, Department of Neurology, 395 W 12th Ave, Columbus, OH 43210, Muscular Dystrophies and [email protected]. Relationship Disclosure: by mAXWo3ZnzwrcFjDdvMDuzVysskaX4mZb8eYMgWVSPGPJOZ9l+mqFwgfuplwVY+jMyQlPQmIFeWtrhxj7jpeO+505hdQh14PDzV4LwkY42MCrzQCKIlw0d1O4YvrWMUvvHuYO4RRbviuuWR5DqyTbTk/icsrdbT0HfRYk7+ZAGvALtKGnuDXDohHaxFFu/7KNo26hIfzU/+BCy16w7w1bDw== Dr Iyadurai has received the Dystrophinopathies personal compensation for serving on the advisory boards of Allergan; Alnylam Stanley Jones P. Iyadurai, MSc, PhD, MD; John T. Kissel, MD, FAAN Pharmaceuticals, Inc; CSL Behring; and Pfizer, Inc. Dr Kissel has received personal ABSTRACT compensation for serving on a consulting board of AveXis, Purpose of Review: The classic approach to identifying and accurately diagnosing limb- Inc; as journal editor of Muscle girdle muscular dystrophies (LGMDs) relied heavily on phenotypic characterization and & Nerve; and as a consultant ancillary studies including muscle biopsy. Because of rapid advances in genetic sequencing for Novartis AG. Dr Kissel has received research/grant methodologies, -
Cardiomyopathy in a Male Patient with Neutropenia and Growth Delay
Folsi et al. Italian Journal of Pediatrics 2014, 40:45 http://www.ijponline.net/content/40/1/45 ITALIAN JOURNAL OF PEDIATRICS CASE REPORT Open Access Cardiomyopathy in a male patient with neutropenia and growth delay Veronica Folsi1, Nunzia Miglietti1, Annamaria Lombardi1, Sara Boccacci1, Tatiana Utyatnikova1, Chiara Donati1, Livia Squassabia1, Laura Gazzola1, Ilaria Bosio1, Adele Borghi2, Veronica Grassi3, Lucia D Notarangelo3 and Alessandro Plebani1,4* Abstract Neutropenia encompasses a family of neutropenic disorders, both permanent and intermittent, ranging from severe (<500 neutrophils/mm3) to mild (500–1500 neutrophils/mm3), which may also affect other organ systems such as the pancreas, central nervous system, heart, muscle and skin. Neutropenia can lead to life-threatening pyogenic infections whose severity is roughly inversely proportional to the circulating neutrophil counts. When neutropenia is detected, an attempt should be made to establish the etiology, and to distinguish acquired forms (the most frequent, including post viral neutropenia and autoimmune neutropenia) and congenital forms (rare disorders) that may be either isolated or part of a complex rare genetic disease. We report on a male patient initially diagnosed with isolated neutropenia who later turned out to be affected with Barth syndrome, a rare complex inherited disorder. Keywords: Barth syndrome, Neutropenia, Cardiomyopathy, Growth delay, Tafazzin gene Background that, when neutropenia is detected, patients should be Neutropenia is a laboratory finding associated with vari- carefully investigated for associated signs and symptoms able severity ranging from benign transient neutropenia, that may underlie a more complex and rare disorder. such as that due to mild viral infection, to congenital We report on a patient initially diagnosed with isolated neutropenia (CN). -
Barth Syndrome: a Life-Threatening Disorder Caused by Abnormal Cardiolipin Remodeling Vaishnavi Raja, Christian A
Raja V, Reynolds CA, Greenberg ML. J Rare Dis Res Treat. (2017) 2(2): 58-62 Journal of www.rarediseasesjournal.com Rare Diseases Research & Treatment Mini-review Open Access Barth syndrome: A life-threatening disorder caused by abnormal cardiolipin remodeling Vaishnavi Raja, Christian A. Reynolds, and Miriam L. Greenberg Department of Biological Sciences, Wayne State University, USA Article Info ABSTRACT Article Notes Barth syndrome (BTHS) is a rare X-linked genetic disorder characterized by Received: December 24, 2017 cardiomyopathy, skeletal myopathy, neutropenia, and organic aciduria. The Accepted: March 21, 2017 presence and severity of clinical manifestations are highly variable in BTHS, *Correspondence: even among patients with identical gene mutations. Currently, less than 200 Miriam L. Greenberg, Department of Biological Sciences, patients are diagnosed worldwide, but it is estimated that the disorder may Wayne State University, USA; be substantially under-diagnosed due to the variable spectrum of clinical E-mail: [email protected] manifestations. BTHS is caused by mutations in the gene tafazzin (TAZ), resulting in defective remodeling of cardiolipin (CL), the signature phospholipid © 2017 Miriam L. Greenberg. This article is distributed under of the mitochondrial membranes. Many of the clinical sequela associated with the terms of the Creative Commons Attribution 4.0 International License. BTHS can be directly attributed to mitochondria defects. In 2008, a definitive biochemical test was described based on detection of the abnormal CL profile characteristic of BTHS. This mini-review provides an overview of the etiology of BTHS, as well as a description of common clinical phenotypes associated with the disorder. Introduction Barth syndrome (BTHS) is a rare X-linked genetic disorder associated with a wide array of clinical manifestations, including cardiomyopathy, skeletal myopathy, neutropenia, 3-methylglutaconic aciduria, and hypercholesterolemia1-3. -
Pathophysiology and Treatment of Stroke: Present Status and Future Perspectives
International Journal of Molecular Sciences Review Pathophysiology and Treatment of Stroke: Present Status and Future Perspectives Diji Kuriakose and Zhicheng Xiao * Development and Stem Cells Program, Monash Biomedicine Discovery Institute and Department of Anatomy and Developmental Biology, Monash University, Melbourne, VIC 3800, Australia; [email protected] * Correspondence: [email protected] Received: 29 September 2020; Accepted: 13 October 2020; Published: 15 October 2020 Abstract: Stroke is the second leading cause of death and a major contributor to disability worldwide. The prevalence of stroke is highest in developing countries, with ischemic stroke being the most common type. Considerable progress has been made in our understanding of the pathophysiology of stroke and the underlying mechanisms leading to ischemic insult. Stroke therapy primarily focuses on restoring blood flow to the brain and treating stroke-induced neurological damage. Lack of success in recent clinical trials has led to significant refinement of animal models, focus-driven study design and use of new technologies in stroke research. Simultaneously, despite progress in stroke management, post-stroke care exerts a substantial impact on families, the healthcare system and the economy. Improvements in pre-clinical and clinical care are likely to underpin successful stroke treatment, recovery, rehabilitation and prevention. In this review, we focus on the pathophysiology of stroke, major advances in the identification of therapeutic targets and recent trends in stroke research. Keywords: stroke; pathophysiology; treatment; neurological deficit; recovery; rehabilitation 1. Introduction Stroke is a neurological disorder characterized by blockage of blood vessels. Clots form in the brain and interrupt blood flow, clogging arteries and causing blood vessels to break, leading to bleeding. -
Stem Cell Trials Using Companion Animal Disease Models
TRANSLATIONAL AND CLINICAL RESEARCH Concise Review: Stem Cell Trials Using Companion Animal Disease Models a b ANDREW M. HOFFMAN, STEVEN W. DOW Key Words. Companion animal disease models • Naturally occurring disease • Spontaneous disease models • Canine stem cells • Feline stem cells • Adipose tissue-derived mesen- chymal stem cells • Bone marrow mesenchymal stem cells • Olfactory ensheathing cells • Mesenchymal stem cell neural lineage • Osteoarthritis • Intervertebral disc degeneration • Spinal disc herniation • Spinal cord injury • Dilated cardiomyopathy • Atopic dermatitis • Inflammatory bowel disease • Lymphocytic-plasmocytic colitis • Keratoconjunctivitis sicca • Sjogren’s syndrome • Multiple sclerosis • Meningoencepha- litis of unknown origin • Granulomatous meningoencephalomyelitis • Canine furuncu- losis • Canine perianal fistulas • Crohn’s fistulitis • Rectocutaneous fistulas • End stage renal disease • Feline chronic kidney disease • One Health • Investigational new ani- mal drug aRegenerative Medicine ABSTRACT Laboratory, Department of Studies to evaluate the therapeutic potential of stem cells in humans would benefit from more Clinical Sciences, Cummings realistic animal models. In veterinary medicine, companion animals naturally develop many dis- School of Veterinary eases that resemble human conditions, therefore, representing a novel source of preclinical Medicine, Tufts University, models. To understand how companion animal disease models are being studied for this pur- Grafton, Massachusetts, USA; pose, we reviewed the literature -
Barth Syndrome Journal Volume 11, Issue 2 Winter 2011
Barth Syndrome Journal www.barthsyndrome.org Volume 11, Issue 2 Winter 2011 Saving lives through education, advances in treatment, and fi nding a cure for Barth syndrome. Great News about Barth Syndrome Individuals' Longevity By Kate McCurdy, Board Member, Barth Syndrome Foundation or several years, the Barth Syndrome Foundation (BSF) has made the claim that individuals with Barth syndrome (BTHS) are living far longer than ever before. Now we are delighted Fto have the data to prove it. All of our collective efforts ARE making a difference! Photo courtesy of Amanda Clark ~ 2010 BSF was incorporated back in 2000, and by the end of that year, we had 41 living boys in our group who had been diagnosed with BTHS (see Graph #1 on page 4). As the literature indicated Inside this Issue then, most BTHS individuals died very young, and, indeed, you can see that fewer than 10% BTHS Longevity 1 / 4 of those we knew living then were over 15 years old. That year, however, the oldest BTHS 2012 Conference 1 / 5 individual in the world of whom we were aware was in his forties, and that gave us great hope. Sci/Med Sessions Letter from the Chairman 2 Compare these fi gures to the similar ones today (see Graph #2 on page 4). Our organization Letter from the 3 has grown to include 148 individuals from around the world living with a genetically confi rmed Executive Director diagnosis of BTHS. Now, more than 35% are older than 15 years old. Furthermore, the oldest Family Sessions 6 man living with BTHS whom we know of now is in his sixties! (Cont’d on page 4) 2012 Conference 7 Agenda Science Corner 8 A Continuum of Collaboration Sensory-Based Issues 9 & Barth Syndrome Barth Syndrome 2012 Scientific and Medical Sessions BTHS Library 10 Research Initiatives 11-12 By Matthew J.