[Anhidrotic ectodermal dysplasia. Disorder of the differentiation of hair follicles and sweat glands leads to abnormal keratinization]. 1994

U Blume-Peytavi, and H M Gollnick, and J Föhles, and G Kremer, and M S Pineda, and K H Phan, and C E Orfanos
Universitäts-Hautklinik und Poliklinik, Klinikum Steglitz, Freien Universität Berlin.

We report on an 11-year-old female patient with anhidrotic ectodermal dysplasia (AED) showing the following characteristics: (1) reduced number of hair follicles and incomplete formation of sweat glands; (2) disturbed hair growth with shortening of anagen and anhidrosis; (3) disturbed cytokeratin expression pattern of CK 13, 14, 19 (follicular epithelium) and of CK 18 (eccrine sweat glands); (4) reduction of cystine and increase in sulphonic cysteine acid. Thus, we demonstrated pathological differentiation on the immunomorphological and on the biochemical level, leading to disturbed keratinization that could be visualized by transmission and scanning electron microscopical studies of the hair shafts. According to these findings AED is a developmental defect that involves not only incomplete formation of hair follicles and sweat glands but also a disordered differentiation and follicular keratinization with disturbed cytokeratin pattern and pathological amino acid composition of the terminal hairs produced.

UI MeSH Term Description Entries
D007124 Immunoenzyme Techniques Immunologic techniques based on the use of: (1) enzyme-antibody conjugates; (2) enzyme-antigen conjugates; (3) antienzyme antibody followed by its homologous enzyme; or (4) enzyme-antienzyme complexes. These are used histologically for visualizing or labeling tissue specimens. Antibody Enzyme Technique, Unlabeled,Enzyme Immunoassay,Enzyme-Labeled Antibody Technique,Immunoassay, Enzyme,Immunoperoxidase Techniques,Peroxidase-Antiperoxidase Complex Technique,Peroxidase-Labeled Antibody Technique,Antibody Enzyme Technic, Unlabeled,Enzyme-Labeled Antibody Technic,Immunoenzyme Technics,Immunoperoxidase Technics,Peroxidase-Antiperoxidase Complex Technic,Peroxidase-Labeled Antibody Technic,Antibody Technic, Enzyme-Labeled,Antibody Technic, Peroxidase-Labeled,Antibody Technics, Enzyme-Labeled,Antibody Technics, Peroxidase-Labeled,Antibody Technique, Enzyme-Labeled,Antibody Technique, Peroxidase-Labeled,Antibody Techniques, Enzyme-Labeled,Antibody Techniques, Peroxidase-Labeled,Enzyme Immunoassays,Enzyme Labeled Antibody Technic,Enzyme Labeled Antibody Technique,Enzyme-Labeled Antibody Technics,Enzyme-Labeled Antibody Techniques,Immunoassays, Enzyme,Immunoenzyme Technic,Immunoenzyme Technique,Immunoperoxidase Technic,Immunoperoxidase Technique,Peroxidase Antiperoxidase Complex Technic,Peroxidase Antiperoxidase Complex Technique,Peroxidase Labeled Antibody Technic,Peroxidase Labeled Antibody Technique,Peroxidase-Antiperoxidase Complex Technics,Peroxidase-Antiperoxidase Complex Techniques,Peroxidase-Labeled Antibody Technics,Peroxidase-Labeled Antibody Techniques,Technic, Enzyme-Labeled Antibody,Technic, Immunoenzyme,Technic, Immunoperoxidase,Technic, Peroxidase-Antiperoxidase Complex,Technic, Peroxidase-Labeled Antibody,Technics, Enzyme-Labeled Antibody,Technics, Immunoenzyme,Technics, Immunoperoxidase,Technics, Peroxidase-Antiperoxidase Complex,Technics, Peroxidase-Labeled Antibody,Technique, Enzyme-Labeled Antibody,Technique, Immunoenzyme,Technique, Immunoperoxidase,Technique, Peroxidase-Antiperoxidase Complex,Technique, Peroxidase-Labeled Antibody,Techniques, Enzyme-Labeled Antibody,Techniques, Immunoenzyme,Techniques, Immunoperoxidase,Techniques, Peroxidase-Antiperoxidase Complex,Techniques, Peroxidase-Labeled Antibody
D007633 Keratins A class of fibrous proteins or scleroproteins that represents the principal constituent of EPIDERMIS; HAIR; NAILS; horny tissues, and the organic matrix of tooth ENAMEL. Two major conformational groups have been characterized, alpha-keratin, whose peptide backbone forms a coiled-coil alpha helical structure consisting of TYPE I KERATIN and a TYPE II KERATIN, and beta-keratin, whose backbone forms a zigzag or pleated sheet structure. alpha-Keratins have been classified into at least 20 subtypes. In addition multiple isoforms of subtypes have been found which may be due to GENE DUPLICATION. Cytokeratin,Keratin Associated Protein,Keratin,Keratin-Associated Proteins,alpha-Keratin,Associated Protein, Keratin,Keratin Associated Proteins,Protein, Keratin Associated,alpha Keratin
D008855 Microscopy, Electron, Scanning Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY. Scanning Electron Microscopy,Electron Scanning Microscopy,Electron Microscopies, Scanning,Electron Microscopy, Scanning,Electron Scanning Microscopies,Microscopies, Electron Scanning,Microscopies, Scanning Electron,Microscopy, Electron Scanning,Microscopy, Scanning Electron,Scanning Electron Microscopies,Scanning Microscopies, Electron,Scanning Microscopy, Electron
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004476 Ectodermal Dysplasia A group of hereditary disorders involving tissues and structures derived from the embryonic ectoderm. They are characterized by the presence of abnormalities at birth and involvement of both the epidermis and skin appendages. They are generally nonprogressive and diffuse. Various forms exist, including anhidrotic and hidrotic dysplasias, FOCAL DERMAL HYPOPLASIA, and aplasia cutis congenita. Anhidrotic Ectodermal Dysplasia,Aplasia Cutis Congenita,Clouston's Syndrome,Ectodermal Defect, Congenital,Hidrotic Ectodermal Dysplasia,Anhydrotic Ectodermal Dysplasia,Aplasia Cutis Congenita, Nonsyndromic,Autosomal Dominant Hidrotic Ectodermal Dysplasia,Clouston Hidrotic Ectodermal Dysplasia,Clouston Syndrome,Clouston's Hidrotic Ectodermal Dysplasia,Congenital Ectodermal Defect,Defect, Congenital Ectodermal,Ectodermal Dysplasia 2, Hidrotic,Ectodermal Dysplasia Anhidrotic,Ectodermal Dysplasia, Anhydrotic,Ectodermal Dysplasia, Hidrotic,Ectodermal Dysplasia, Hidrotic, Autosomal Dominant,Hidrotic Ectodermal Dysplasia, Autosomal Dominant,Hydrotic Ectodermal Dysplasia,Anhidrotic Ectodermal Dysplasias,Anhidrotic, Ectodermal Dysplasia,Anhidrotics, Ectodermal Dysplasia,Anhydrotic Ectodermal Dysplasias,Cloustons Syndrome,Congenital Ectodermal Defects,Defects, Congenital Ectodermal,Dysplasia Anhidrotic, Ectodermal,Dysplasia Anhidrotics, Ectodermal,Dysplasia, Anhidrotic Ectodermal,Dysplasia, Anhydrotic Ectodermal,Dysplasia, Ectodermal,Dysplasia, Hidrotic Ectodermal,Dysplasia, Hydrotic Ectodermal,Dysplasias, Anhidrotic Ectodermal,Dysplasias, Anhydrotic Ectodermal,Dysplasias, Ectodermal,Dysplasias, Hidrotic Ectodermal,Dysplasias, Hydrotic Ectodermal,Ectodermal Defects, Congenital,Ectodermal Dysplasia, Anhidrotic,Ectodermal Dysplasia, Hydrotic,Ectodermal Dysplasias,Ectodermal Dysplasias, Anhidrotic,Ectodermal Dysplasias, Anhydrotic,Ectodermal Dysplasias, Hydrotic,Hidrotic Ectodermal Dysplasias,Hydrotic Ectodermal Dysplasias,Syndrome, Clouston,Syndrome, Clouston's
D005260 Female Females
D006197 Hair A filament-like structure consisting of a shaft which projects to the surface of the SKIN from a root which is softer than the shaft and lodges in the cavity of a HAIR FOLLICLE. It is found on most surfaces of the body. Fetal Hair,Hair, Fetal,Lanugo,Fetal Hairs,Hairs,Hairs, Fetal
D006201 Hair Diseases Diseases affecting the orderly growth and persistence of hair. Hair Disease
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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