Boomerang dysplasia is a recently delineated form of neonatally lethal dwarfism. A fourth case has been investigated and an increased range of phenotypic manifestations is documented in this article. So far all affected infants have been males and X-linked recessive inheritance is possible. Diagnostic criteria for Boomerang dysplasia are outlined.
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http://dx.doi.org/10.1002/ajmg.1320360413 | DOI Listing |
Oxid Med Cell Longev
July 2022
Department of Endocrinology and Metabolism, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250021 Shandong, China.
Mutations of filamin B () gene can lead to a spectrum of autosomal skeletal malformations including spondylocarpotarsal syndrome (SCT), Larsen syndrome (LRS), type I atelosteogenesis (AO1), type III atelosteogenesis (AO3), and boomerang dysplasia (BD). Among them, LRS is milder while BD causes a more severe phenotype. However, the molecular mechanism underlying the differences in clinical phenotypes of different variants has not been fully determined.
View Article and Find Full Text PDFMolecules
November 2020
Department of Biomedical Sciences, College of Health and Sciences, Qatar University, QU Health, Doha 2713, Qatar.
Filamins (FLN) are a family of actin-binding proteins involved in regulating the cytoskeleton and signaling phenomenon by developing a network with F-actin and FLN-binding partners. The FLN family comprises three conserved isoforms in mammals: FLNA, FLNB, and FLNC. FLNB is a multidomain monomer protein with domains containing an actin-binding N-terminal domain (ABD 1-242), encompassing two calponin-homology domains (assigned CH1 and CH2).
View Article and Find Full Text PDFPediatr Radiol
February 2020
Department of Radiology, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave., MLC 5031, Cincinnati, OH, 45229, USA.
Background: Fetal magnetic resonance imaging (MRI) is obtained for prenatal diagnosis and prognostication of skeletal dysplasias; however, related literature is limited.
Objective: The purpose of this study was to define the utility of fetal MRI for skeletal dysplasias and to report MRI findings associated with specific diagnoses.
Materials And Methods: This retrospective study was approved by the institutional review board; informed consent was waived.
Am J Transl Res
May 2018
Department of Orthopedic Surgery, Peking Union Medical College Hospital, Peking Union Medical College and Chinese Academy of Medical Sciences Beijing, China.
Non-randomly distributed missense mutations of () can lead to a spectrum of autosomal dominant-inherited skeletal malformations caused by bone hypoplasia, including Larsen syndrome (LS), atelosteogenesi-I (AO-I), atelosteogenesi-I (AO-III) and boomerang dysplasia (BD). Among this spectrum of diseases, LS causes a milder hypoplasia of the skeletal system, compared to BD's much more severe symptoms. Previous studies revealed limited molecular mechanisms of related diseases but most of them were carried out with HEK293 cells from the kidney which could not reproduce s specificity to skeletal tissues.
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