We present a female child with phenotypical and clinical features of the axial mesodermal dysplasia complex. Typical manifestations of both the Goldenhar syndrome and the caudal regression syndrome are present in this complex. Only a few reports have described patients with this pattern of malformations localized in both the cranial and caudal regions. Our case represents a mild form of the complex and may contribute to a better delineation of this condition.
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Dev Growth Differ
January 2025
Division of Anatomy and Developmental Biology, Department of Anatomy, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.
Sonic Hedgehog (Shh), encoding an extracellular signaling molecule, is vital for heart development. Shh null mutants show congenital heart disease due to left-right asymmetry defects stemming from functional anomaly in the midline structure in mice. Shh signaling is also known to affect cardiomyocyte differentiation, endocardium development, and heart morphogenesis, particularly in second heart field (SHF) cardiac progenitor cells that contribute to the right ventricle, outflow tract, and parts of the atrium.
View Article and Find Full Text PDFCommun Biol
December 2024
Department of Life Sciences and Institute of Genome Sciences, College of Life Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan (ROC).
During embryogenesis, vertebral axial patterning is intricately regulated by multiple signaling networks. This study elucidates the role of protogenin (Prtg), an immunoglobulin superfamily member, in vertebral patterning control. Prtg knockout (Prtg) mice manifest anterior homeotic transformations in their vertebral columns and significant alterations in homeobox (Hox) gene expression.
View Article and Find Full Text PDFJ Neurooncol
December 2024
Department of Neurosurgery, Maastricht University Medical Center, P. Debyelaan 25, 6202 AZ, Maastricht, The Netherlands.
Purpose: Chordomas are malignant tumors of the axial spine and skull base, and they are notorious for their poor treatment response. Differentiating these tumors from comparatively less malignant chondrosarcomas is crucial for treatment and prognostication. Both tumor types differ in their developmental origin.
View Article and Find Full Text PDFFront Cell Dev Biol
November 2024
Biological Research Centre, Institute of Genetics, Hungarian Research Network, Szeged, Hungary.
Early embryonic development is a complex process where undifferentiated cells lose their pluripotency and start to gastrulate. During gastrulation, three germ layers form, giving rise to different cell lineages and organs. This process is regulated by transcription factors and epigenetic regulators, including non-canonical polycomb repressive complex 1s (ncPRC1s).
View Article and Find Full Text PDFElife
December 2024
Developmental Biology & Cancer, UCL Great Ormond Street Institute of Child Health, London, United Kingdom.
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