Gravette, Arkansas. Gravette is a city in Benton County, Arkansas, United States. The population was 2,325 at the 2010 census. It is part of the FayettevilleâSpringdaleâRogers, AR-MO Metropolitan Statistical Area.
congenital nephrotic syndrome. At least 170 mutations in the NPHS2 gene have been found to cause congenital nephrotic syndrome. This condition is a kidney disorder that begins in infancy and typically leads to irreversible kidney failure (end-stage renal disease) by early childhood.
1 Barth Syndrome: A rare genetic disorder where the body's cells are unable to make sufficient energy resulting in an accumulation in the body of 3-methylglutaconic acid.2  Type 2 is characterized by its affects on the heart.esearch the causes of these diseases that are similar to, or related to, Barth Syndrome: 1  3-methylglutaconic aciduria type II. 2  Genetic disorder. 3  Growth delay. 4  Muscle weakness. 5  Exercise intolerance.