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Breast feeding improves the health of children. The greatest significance is to host defense, prevention of autoimmunity, and development of the digestive system; however, the underlying mechanisms for these effects are not well understood. Based on recent evidence that cytokines might be important in these processes, we have used ELISA to quantitate the(More)
Records of 55 percutaneous renal biopsies performed in 53 children aged 5 days to two years were reviewed. Radiographic or ultrasound imaging techniques were not utilized during the biopsy procedure. Forty-nine of 55 biopsy attempts yielded sufficient tissue for histologic evaluation (89.1%). Transient gross hematuria not requiring intervention was the sole(More)
We studied 124 children, 62 patient-subjects who had end-stage renal disease (ESRD) and 62 sibling-controls who closely matched the patient-subjects in terms of their ethnicity and their socioeconomic status, to discern whether children with ESRD would perform less well than their siblings on standardized achievement and intelligence quotient (IQ) tests,(More)
Seven children with asymptomatic gross hematuria are described. Six had recurrent hematuria; one had a single episode. Occasional global glomerulosclerosis and/or mesangial electron dense deposits were present in the three patients in whom renal biopsy was performed; the changes were felt to be insufficient to account for the hematuria. None of the patients(More)
A circulating causative factor has been postulated in focal segmental glomerulosclerosis (FSGS). It has been shown that serum or plasma from some FSGS increases glomerular albumin permeability (Palb) in vitro. Palb greater than 0.5 (i.e., FS activity) is associated with recurrence after transplantation. Specimens from 15 FSGS patients were studied to(More)
Urinary prostaglandins were measured by radioimmunoassay in neonates (31-35 weeks gestational age), children (4-15 years) and adults (24-36 years). Neonates showed significantly lower levels of both iPGE and iPGA compared to children (p less than 0.01) and adults (p less than 0.01). Children also had significantly lower levels than adults (p less than(More)
Marijuana, a widely abused drug in the US, and its derivatives (cannabinoids) have been used in AIDS and cancer patients for treatment of intractable nausea and cachexia. Yet, objective investigations of the effect of cannabinoids on the human immune system are few. We investigated the effect of delta9 tetrahydrocannabinol (THC) and cannabidiol (CBD) on(More)
Severe systemic hypertension may complicate the postoperative course of patients undergoing surgical repair for coarctation of the aorta. The sympathetic and the renin-angiotensin systems have been demonstrated as underlying mechanisms for this paradoxical phenomenon (Farrell et al., 1979; Rocchini et al., 1979). We recently utilized captopril, a(More)