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SHORT syndrome is a rare, multisystem disease characterized by short stature, anterior-chamber eye anomalies, characteristic facial features, lipodystrophy, hernias, hyperextensibility, and delayed dentition. As part of the FORGE (Finding of Rare Disease Genes) Canada Consortium, we studied individuals with clinical features of SHORT syndrome to identify(More)
BACKGROUND Dominant polycystic kidney disease is common and usually presents clinically in adulthood. Recessive polycystic kidney disease is much less common and frequently presents antenatally or in the neonatal period with severe renal involvement. These are usually thought of as clinically distinct entities but diagnostic confusion is not infrequent. (More)
BACKGROUND AND OBJECTIVES Up to 95% of children presenting with steroid-resistant nephrotic syndrome in early life will have a pathogenic single-gene mutation in 1 of 24 genes currently associated with this disease. Others may be affected by polymorphic variants. There is currently no accepted diagnostic algorithm for clinical genetic testing. The(More)
Biochemical analysis and whole-exome sequencing identified mutations in the Golgi-localized UDP-galactose transporter SLC35A2 that define an undiagnosed X-linked congenital disorder of glycosylation (CDG) in three unrelated families. Each mutation reduced UDP-galactose transport, leading to galactose-deficient glycoproteins. Two affected males were somatic(More)
Hepatitis B virus (HBV) infection is recognised as an important cause of nephrotic syndrome in endemic areas. This paper retrospectively examines the natural history and treatment of 70 patients with membranous glomerulonephritis and 1 with mesangiocapillary glomerulonephritis associated with HBV infection. Thirty-seven patients were in complete remission(More)
We present a patient with steroid-sensitive but high-dose steroid-dependent nephrotic syndrome who was treated with rituximab. For 9 months following therapy she had undetectable CD19 cells in the peripheral circulation. She remained in remission during this period even though therapy was reduced to low-dose, alternate day prednisolone only. After 9 months,(More)
Diffuse mesangial sclerosis occurs as an isolated abnormality or as a part of a syndrome. Recently, mutations in phospholipase C epsilon 1 (PLCE1) were found to cause a nonsyndromic, autosomal recessive form of this disease. Here we describe three children from one consanguineous kindred of Pakistani origin with diffuse mesangial sclerosis who presented(More)
BACKGROUND Atypical haemolytic uraemic syndrome (aHUS) is a rare disorder usually caused by dysregulation of the alternative complement pathway. Uncontrolled complement activation results in systemic complement-mediated thrombotic microangiopathy (TMA) and subsequent multi-organ damage. The two most common extrarenal complications comprise neurological and(More)