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Apert syndrome is a form of acrocephalosyndactyly, a congenital disorder characterized by malformations of the skull, face, hands and feet. It is classified as a branchial arch syndrome, affecting the first branchial (or pharyngeal) arch, the precursor of the maxilla and mandible. Disturbances in the development of the branchial arches in fetal ...
Pfeiffer syndrome is a rare genetic disorder, characterized by the premature fusion of certain bones of the skull ( craniosynostosis ), which affects the shape of the head and face. The syndrome includes abnormalities of the hands and feet, such as wide and deviated thumbs and big toes. Pfeiffer syndrome is caused by mutations in the fibroblast ...
Crouzon syndrome is an autosomal dominant genetic disorder known as a branchial arch syndrome. Specifically, this syndrome affects the first branchial (or pharyngeal) arch, which is the precursor of the maxilla and mandible. Because the branchial arches are important developmental features in a growing embryo, disturbances in their development ...
Carpenter syndrome has an autosomal recessive pattern of inheritance. Carpenter syndrome has been associated with mutations in the RAB23 gene, which is located on chromosome 6 in humans. Additionally, three key SNPs in the MEGF8 gene, located on chromosome 19 at 19q13.2, have been identified as primary causes of Carpenter syndrome. Diagnosis
Eugène Apert. Eugène Charles Apert (27 July 1868 – 2 February 1940) was a French pediatrician born in Paris . He received his doctorate in 1897 and afterwards was associated with the Hôtel-Dieu and Hôpital Saint-Louis. From 1919 until 1934, he worked at the Hôpital des Enfants-Malades in Paris. Pediatrician Jacques-Joseph Grancher (1843 ...
Acrocephalosyndactyly. Acrocephalosyndactyly is a group of congenital conditions characterized by irregular features of the face and skull ( craniosynostosis) and hands and feet ( syndactyly ). [1] Craniosynostosis occurs when the cranial sutures, the fibrous tissue connecting the skull bones, fuse the cranial bones early in development.
Patients with Crouzon syndrome sometimes exhibit malformations of the external ear and/or the middle ear, such as malalignment of the pinna (Peterson-Falzone et al., 2001). Literature has suggested that persons with Crouzon syndrome typically have conductive hearing loss caused by middle ear effusion (or fluid in the middle ear) and perforation ...
View/Edit Mouse. Fibroblast growth factor receptor 2 ( FGFR2) also known as CD332 ( cluster of differentiation 332) is a protein that in humans is encoded by the FGFR2 gene residing on chromosome 10. [5] [6] FGFR2 is a receptor for fibroblast growth factor . The protein encoded by this gene is a member of the fibroblast growth factor receptor ...