Search results for "Aicardi–Goutières syndrome"

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RNase H2 Loss in Murine Astrocytes Results in Cellular Defects Reminiscent of Nucleic Acid-Mediated Autoinflammation

2018

Aicardi-Goutières syndrome (AGS) is a rare early onset childhood encephalopathy caused by persistent neuroinflammation of autoimmune origin. AGS is a genetic disorder and >50% of affected individuals bear hypomorphic mutations in ribonuclease H2 (RNase H2). All available RNase H2 mouse models so far fail to mimic the prominent CNS involvement seen in AGS. To establish a mouse model recapitulating the human disease, we deleted RNase H2 specifically in the brain, the most severely affected organ in AGS. Although RNase H2δGFAPmice lacked the nuclease in astrocytes and a majority of neurons, no disease signs were apparent in these animals. We additionally confirmed these results…

0301 basic medicinelcsh:Immunologic diseases. AllergyMaleEncephalomyelitis Autoimmune ExperimentalAicardi–Goutières syndromeRNase PDNA damageImmunologyRibonuclease HFluorescent Antibody TechniqueAicardi-goutières Syndrome ; Cellular Senescence ; Dna Damage ; Interferon Signature ; Rnase H2BiologyNervous System MalformationsAutoimmune Diseases03 medical and health sciencesMiceAutoimmune Diseases of the Nervous SystemNucleic AcidsmedicineImmunology and Allergycellular senescenceAnimalsRibonucleaseNeuroinflammationCells CulturedOriginal ResearchInflammationMice KnockoutInnate immune systemBrainmedicine.diseaseMolecular biologyImmunohistochemistryDisease Models Animal030104 developmental biologymedicine.anatomical_structurePhenotypeinterferon signatureAstrocytesKnockout mousebiology.proteinAicardi–Goutières syndromeDNA damageFemalelcsh:RC581-607RNase H2BiomarkersAstrocyteFrontiers in Immunology
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Case Report: The JAK-Inhibitor Ruxolitinib Use in Aicardi-Goutieres Syndrome Due to ADAR1 Mutation

2021

Type I Interferonopathies comprise inherited inflammatory diseases associated with perturbation of the type I IFN response. Use of Janus kinase (JAK) inhibitors has been recently reported as possible tools for treating some of those rare diseases. We describe herein the clinical picture and treatment response to the JAK-inhibitor ruxolitinib in a 5-year-old girl affected by Aicardi-Goutières Syndrome type 6 (AGS6) due to ADAR1 mutation. The girl's interferon score (IS) was compared with that of her older brother, suffering from the same disorder, who was not treated. We observed a limited, but distinct neurological improvement (Gross Motor Function and Griffiths Mental Development Scales). …

Mental developmentRuxolitinibMutationTreatment responseAicardi-Goutières syndrome; JAK-inhibitor; interferonopathies; ruxolitinib; type I interferonbusiness.industryOlder brotherruxolitinibJAK-inhibitorCase ReportAicardi-Goutières syndromemedicine.diseasemedicine.disease_causePediatricsRJ1-570interferonopathiesInterferonImmunologyPediatrics Perinatology and Child HealthmedicineAicardi–Goutières syndrometype I interferonJanus kinasebusinessmedicine.drugFrontiers in Pediatrics
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