Differential regulation of bradykinin receptor density, intracellular Ca2+, and prostanoid release in skin and foreskin fibroblasts. Effects of cell density and interleukin-1alpha.

1. Bradykinin (BK) receptors, cytosolic Ca2+, and prostanoids were studied in human skin and foreskin fibroblasts. 2.

Familial hypercholesterolaemia with severe cardiac involvement in a boy: successful management and mid-term follow-up.

A 13-year-old boy with double heterozygosity for familial hypercholesterolaemia with a 90% left coronary artery main stem stenosis is reported. The patient's cholesterol levels were effectively controlled with weekly sessions of selective low-density lipoprotein cholesterol removal through immunoadsorption by use of an extracorporeal system. Left main coronary artery stenosis was successfully treated with percutaneous transluminal balloon dilation.

[Demonstration of mesangial IgA deposits in kidney biopsies of pediatric patients: comparison with the clinical picture].

Clinical and morphological findings were evaluated in 25 children with mesangial IgA deposits. 19 patients had recurrent macroscopic hematuria (n = 10), chronic proteinuria > 40 mg/(m2.h) (n = 5), recurrent hematuria with chronic proteinuria (n = 3), or chronic nephrotic syndrome (n = 1).

[Management of children and adolescents with kidney transplantation].

Successful renal transplantation is widely accepted as the treatment of choice for end-stage renal failure in infants, children and adolescents. The major issues currently requiring consideration when contemplating renal transplantation in the mentioned patients are: primary renal disease, psychosocial status, life-related versus cadaver donor allograft, optimal immunosuppressive regimen including cyclosporine, and maximization of growth and pubertal development. In transplanted adolescents, noncompliance is now a major problem, ranking only second to rejection as a cause of graft loss.

Normal prostaglandinuria E2 in Gitelman's syndrome, the hypocalciuric variant of Bartter's syndrome.

In familial Bartter's syndrome, hyperprostaglandinuria is considered a constant feature and prostanoid synthetase inhibition often positively influences the disease course. The urinary calcium excretion distinguishes two clinically and biochemically different variants, namely, classic Bartter's syndrome (normocalciuric or hypercalciuric variant; urinary calcium to creatinine > or = 35.3 mg/mg 10(-3)) and Gitelman's syndrome (hypocalciuric variant; urinary calcium to creatinine < 35.