EDA: Seems to be involved in epithelial-mesenchymal signaling during morphogenesis of ectodermal organs. Isoform 1 binds only to the receptor EDAR, while isoform 3 binds exclusively to the receptor XEDAR. Defects in EDA are the cause of ectodermal dysplasia type 1 (ED1); also known as Christ-Siemens-Touraine syndrome or X-linked hypohidrotic ectodermal dysplasia (XLHED). Ectodermal dysplasia defines a heterogeneous group of disorders due to abnormal development of two or more ectodermal structures. ED1 is a disease characterized by sparse hair (atrichosis or hypotrichosis), abnormal or missing teeth and the inability to sweat due to the absence of sweat glands. ED1 is the most common form of over 150 clinically distinct ectodermal dysplasias. Defects in EDA are the cause of tooth agenesis selective X-linked type 1 (STHAGX1). A form of selective tooth agenesis, a common anomaly characterized by the congenital absence of one or more teeth. Selective tooth agenesis without associated systemic disorders has sometimes been divided into 2 types: oligodontia, defined as agenesis of 6 or more permanent teeth, and hypodontia, defined as agenesis of less than 6 teeth. The number in both cases does not include absence of third molars (wisdom teeth). Belongs to the tumor necrosis factor family. 8 isoforms of the human protein are produced by alternative splicing.
Protein type: Membrane protein, integral; Motility/polarity/chemotaxis; Receptor, misc.
Cellular Component: endoplasmic reticulum membrane; collagen; membrane; integral to plasma membrane; apical part of cell; integral to membrane; plasma membrane; extracellular region
Molecular Function: tumor necrosis factor receptor binding
Biological Process: skin development; positive regulation of I-kappaB kinase/NF-kappaB cascade; pigmentation; hair follicle development; cell-matrix adhesion; multicellular organismal development; immune response; positive regulation of NF-kappaB import into nucleus; gene expression; cell differentiation; odontogenesis of dentine-containing teeth
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