We describe the first Congolese case of Greenberg Skeletal Dysplasia. Were noted at birth a congenital hydrops, a chondrodystrophy, a severe hypoplastic face as well as an ulnar (postaxial) hexadactyly on all four limbs.
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http://dx.doi.org/10.11604/pamj.2013.14.55.2170 | DOI Listing |
Nat Rev Endocrinol
January 2025
Sunnaas Rehabilitation Hospital, Nesodden, Norway.
Achondroplasia is the most common genetic form of short-limbed skeletal dysplasia (dwarfism). Clinical manifestations and complications can affect individuals across the lifespan, including the need for adaptations for activities of daily living, which can affect quality of life. Current international guidelines focus on symptomatic management, with little discussion regarding potential medication, as therapeutic options were limited at the time of their publication.
View Article and Find Full Text PDFJ Bone Miner Res
December 2024
Department of Medicine, Oregon Health & Science University, Portland, OR, United States.
Osteogenesis imperfecta (OI) is a multisystem disorder most often caused by pathogenic variants in genes that encode type I collagen. Type I collagen is abundant not only in bone but also in multiple tissues including skin, tendons, cornea, blood vessels and heart. Thus, OI can be expected to affect cardiovascular system, and there are numerous reports of cardiovascular disease (CVD) in people with OI.
View Article and Find Full Text PDFN Engl J Med
November 2024
From the University of California, San Diego Medical Center, La Jolla (B.G., E.A.); University of Colorado Anschutz Medical Campus, Aurora (M.T.); Boston's Children's Hospital, Harvard Medical School, Boston (S.C.); Rocket Pharmaceuticals, Cranbury, NJ (D.R., P.Y., P.B., G.S., K.P., M.C., S.C.-K., J.D.S.); and Children's Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania (J.W.R.) - both in Philadelphia.
Background: Danon disease is a rare, X-linked, monogenic cardiomyopathy caused by mutations in the lysosomal-associated membrane 2 gene (), which encodes the LAMP2 protein. In male patients, the predominant phenotype is progressive cardiac hypertrophy, cardiac dysfunction, and early death. There are no directed therapies for the disease.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
November 2024
Department of Biochemistry and Molecular Biophysics, Washington University School of Medicine, St. Louis, MO 63110.
Skeletal muscle actin (ACTA1) mutations are a prevalent cause of skeletal myopathies consistent with ACTA1's high expression in skeletal muscle. Rare de novo mutations in ACTA1 associated with combined cardiac and skeletal myopathies have been reported, but ACTA1 represents only ~20% of the total actin pool in cardiomyocytes, making its role in cardiomyopathy controversial. Here we demonstrate how a mutation in an actin isoform expressed at low levels in cardiomyocytes can cause cardiomyopathy by focusing on a unique ACTA1 variant, R256H.
View Article and Find Full Text PDFAnn Rheum Dis
October 2024
Muscle Disease Section, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA
Objectives: Autoantibodies targeting intracellular proteins are common in various autoimmune diseases. In the context of myositis, the pathologic significance of these autoantibodies has been questioned due to the assumption that autoantibodies cannot enter living muscle cells. This study aims to investigate the validity of this assumption.
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