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Genomic reanalysis of a pan-European rare-disease resource yields new diagnoses.
Nat Med
January 2025
Department of Human Genetics, Radboud University Medical Center, Nijmegen, the Netherlands.
Genetic diagnosis of rare diseases requires accurate identification and interpretation of genomic variants. Clinical and molecular scientists from 37 expert centers across Europe created the Solve-Rare Diseases Consortium (Solve-RD) resource, encompassing clinical, pedigree and genomic rare-disease data (94.5% exomes, 5.
View Article and Find Full Text PDFNovel c.221+1dup pathogenic variant in AGK gene linked to Sengers syndrome.
Neuromuscul Disord
December 2024
University of Florida College of Medicine - Jacksonville, Jacksonville, FL, USA.
Sengers Syndrome (SS) is a rare autosomal recessive mitochondrial disorder caused by mutations in the acylglycerol kinase (AGK) gene on chromosome 7, also known as cardiomyopathic mitochondrial DNA depletion syndrome (MTDPS10). This disorder disrupts mitochondrial DNA function and energy metabolism, presenting with symptoms such as congenital cataracts, hypertrophic cardiomyopathy, skeletal myopathy, exercise intolerance, and lactic acidosis. Previous research has shown SS affects oxidative phosphorylation and mitochondrial respiration, implicating the TIM22 complex and carrier import.
View Article and Find Full Text PDFUnraveling calcium dysregulation and autoimmunity in immune mediated rippling muscle disease.
Acta Neuropathol Commun
January 2025
Department of Neurology, Mayo Clinic, Rochester, MN, 55905, USA.
Rippling Muscle Disease (RMD) is a rare skeletal myopathy characterized by abnormal muscular excitability manifesting with wave-like muscle contractions and percussion-induced muscle mounding. Hereditary RMD is associated with caveolin-3 or cavin-1 mutations. Recently, we identified cavin 4 autoantibodies as a biomarker of immune-mediated RMD (iRMD), though the underlying disease-mechanisms remain poorly understood.
View Article and Find Full Text PDFTranscriptional Changes Associated with Amyoplasia.
Int J Mol Sci
December 2024
Petersburg Nuclear Physics Institute Named by B.P. Konstantinov of National Research Centre "Kurchatov Institute", Gatchina 188300, Russia.
Arthrogryposis, which represents a group of congenital disorders, includes various forms. One such form is amyoplasia, which most commonly presents in a sporadic form in addition to distal forms, among which hereditary cases may occur. This condition is characterized by limited joint mobility and muscle weakness, leading to limb deformities and various clinical manifestations.
View Article and Find Full Text PDFMulticentric Study on the Diagnostic of Neuromuscular Diseases in Children with High Creatinine Phosphokinase Levels.
Children (Basel)
November 2024
Department of Neuropediatrics, Centro Materno-Infantil do Norte, Centro Hospitalar Universitário de Santo António (CHUdSA), Largo da Maternidade de Júlio Dinis 45, 4050-651 Porto, Portugal.
Background: Neuromuscular diseases (NMDs) are rare, predominantly hereditary, with progressive course disorders. Furthermore, diagnosis can be delayed by years after symptoms emerge, resulting in missed opportunities for modifying disease progression, specific therapeutic approaches, and counseling. Some NMDs have high levels of creatine phosphokinase (CK).
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