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Proxy-Reported Symptoms and Quality of Life Survey in Zellweger Spectrum Disorders

2018-02-26 20:24:12 | BioPortfolio

Published on BioPortfolio: 2018-02-26T20:24:12-0500

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Scimitar-like ossification of patellae led to diagnosis of Zellweger syndrome in newborn: a case report.

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Living-donor liver transplantation for mild Zellweger spectrum disorder: Up to 17 years follow-up.

Mild Zellweger spectrum disorder, also described as Infantile Refsum disease, is attributable to mutations in PEX genes. Its clinical course is characterized by progressive hearing and vision loss, an...

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Medical and Biotech [MESH] Definitions

An autosomal recessive disorder due to defects in PEROXISOME biogenesis which involves more than 13 genes encoding peroxin proteins of the peroxisomal membrane and matrix. Zellweger syndrome is typically seen in the neonatal period with features such as dysmorphic skull; MUSCLE HYPOTONIA; SENSORINEURAL HEARING LOSS; visual compromise; SEIZURES; progressive degeneration of the KIDNEYS and the LIVER. Zellweger-like syndrome refers to phenotypes resembling the neonatal Zellweger syndrome but seen in children or adults with apparently intact peroxisome biogenesis.

A broad-spectrum spectrum antineoplastic antibiotic isolated from Streptomyces refuineus var. thermotolerans. It has low toxicity, some activity against Trichomonas and Endamoeba, and inhibits RNA and DNA synthesis. It binds irreversibly to DNA.

A technique used to measure the rate of physiological activity plotted against wavelength of light. An action spectrum depicts the most effective wavelength of light (also known as spectral sensitivity) that is required for each specific process.

A type of defective gonadal development in patients with a wide spectrum of chromosomal mosaic variants. Their karyotypes are of partial sex chromosome monosomy resulting from an absence or an abnormal second sex chromosome (X or Y). Karyotypes include 45,X/46,XX; 45,X/46,XX/47,XXX; 46,XXp-; 45,X/46,XY; 45,X/47,XYY; 46,XYpi; etc. The spectrum of phenotypes may range from phenotypic female through pseudohermaphrodite to phenotypic male, depending on the ratio in each gonad of 45,X primordial germ cells to those with normal 46,XX or 46,XY constitution.

A heterogeneous group of inherited metabolic disorders marked by absent or dysfunctional PEROXISOMES. Peroxisomal enzymatic abnormalities may be single or multiple. Biosynthetic peroxisomal pathways are compromised, including the ability to synthesize ether lipids and to oxidize long-chain fatty acid precursors. Diseases in this category include ZELLWEGER SYNDROME; INFANTILE REFSUM DISEASE; rhizomelic chondrodysplasia (CHONDRODYSPLASIA PUNCTATA, RHIZOMELIC); hyperpipecolic acidemia; neonatal adrenoleukodystrophy; and ADRENOLEUKODYSTROPHY (X-linked). Neurologic dysfunction is a prominent feature of most peroxisomal disorders.

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