Biomaterial Database

Determination of the urinary D/L trans-3-hydroxyproline ratio: a noninvasive screening test for Alport syndrome. 1993

B Lubec, and K Arbeiter

Department of Pediatrics, University of Vienna, Austria.

Because disturbed conformation of connective tissue proteins can be accompanied by increased racemization (i.e., an increased ratio of dextrorotatory (D) to levorotatory (L) amino acid molecules), we studied by high-performance liquid chromatography the renal excretion of the D-form of the basement membrane-specific trans-3-hydroxyproline in patients with Alport syndrome. The D/L ratio was significantly higher in patients with Alport syndrome than in patients with other renal diseases or in healthy control subjects. We therefore suggest that this factor may be a simple noninvasive (screening) test for Alport syndrome.

UI	MeSH Term	Description	Entries
D007223	Infant	A child between 1 and 23 months of age.	Infants
D007231	Infant, Newborn	An infant during the first 28 days after birth.	Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007536	Isomerism	The phenomenon whereby certain chemical compounds have structures that are different although the compounds possess the same elemental composition. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed)	Isomerisms
D008875	Middle Aged	An adult aged 45 - 64 years.	Middle Age
D009394	Nephritis, Hereditary	A group of inherited conditions characterized initially by HEMATURIA and slowly progressing to RENAL INSUFFICIENCY. The most common form is the Alport syndrome (hereditary nephritis with HEARING LOSS) which is caused by mutations in genes for TYPE IV COLLAGEN and defective GLOMERULAR BASEMENT MEMBRANE.	Alport's Syndrome,Nephritis, Familial,Alport Syndrome,Alport Syndrome, Autosomal Dominant,Alport Syndrome, Autosomal Recessive,Alport Syndrome, X-Linked,Congenital Hereditary Hematuria,Hematuria-Nephropathy-Deafness Syndrome,Hematuric Hereditary Nephritis,Hemorrhagic Familial Nephritis,Hemorrhagic Hereditary Nephritis,Hereditary Familial Congenital Hemorrhagic Nephritis,Hereditary Hematuria Syndrome,Hereditary Interstitial Pyelonephritis,Hereditary Nephritis,Alport Syndrome, X Linked,Familial Nephritis,Hematuria Nephropathy Deafness Syndrome,Hematuria, Congenital Hereditary,Nephritis, Hematuric Hereditary,Nephritis, Hemorrhagic Familial,Nephritis, Hemorrhagic Hereditary,Pyelonephritis, Hereditary Interstitial,Syndrome, Alport,Syndrome, Hematuria-Nephropathy-Deafness,X-Linked Alport Syndrome
D002648	Child	A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL.	Children
D002675	Child, Preschool	A child between the ages of 2 and 5.	Children, Preschool,Preschool Child,Preschool Children
D002851	Chromatography, High Pressure Liquid	Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.	Chromatography, High Performance Liquid,Chromatography, High Speed Liquid,Chromatography, Liquid, High Pressure,HPLC,High Performance Liquid Chromatography,High-Performance Liquid Chromatography,UPLC,Ultra Performance Liquid Chromatography,Chromatography, High-Performance Liquid,High-Performance Liquid Chromatographies,Liquid Chromatography, High-Performance
D005260	Female		Females
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man