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Previously, we have developed a unique in vitro LNCaP cell model, which includes androgen-dependent (LNCaP-C33), androgen-independent (LNCaP-C81) and an intermediate phenotype (LNCaP-C51) cell lines resembling the stages of prostate cancer progression to hormone independence. This model is advantageous in overcoming the heterogeneity associated with the(More)
The use of peritoneal dialysis (PD) has become wide spread since the introduction of continuous ambulatory PD more than 25 years ago. Over this time, many advances have been made and PD is an alternative to hemodialysis (HD), with excellent comparable survival, lower cost, and improved quality of life. The percentage of prevalent PD patients in the United(More)
Animal studies have indicated that nitric oxide is a key signalling molecule involved in the tonic restraint of central sympathetic outflow from the brainstem. Extension of these findings to humans has been difficult because systemic infusion of nitric oxide synthase (NOS) inhibitors increases blood pressure due to inhibition of endothelial NOS, resulting(More)
INTRODUCTION Over 8% of adults in the United States are estimated to have moderate (stages 3 and 4) chronic kidney disease (CKD), which is increasingly recognized as one of the independent predictors for cardiovascular (CV) disease and related mortality. Secondary hyperparathyroidism with elevated serum intact parathyroid hormone (iPTH) is associated with(More)
Clinical experience and literature evidence suggest that peritoneal dialysis (PD) is a safe and effective treatment in short term (3 to 5 years) for stage 5 chronic kidney disease patients. A major limitation to long-term PD has been peritoneal membrane structural and functional alterations over time, resulting in significant technique failure. Much(More)
Peritoneal dialysis (PD) as a renal replacement therapy (RRT) has become wide spread since its inception more than twenty-five years back. Since then, several advances have been made and PD has been accepted as an alternative therapy to hemodialysis (HD), with excellent survival, lower cost, and improved quality of life. In spite of comparable survival of(More)
Elevated serum uric acid levels are a frequent finding in persons with obesity, hypertension, cardiovascular and kidney disease as well as in those with the cardiorenal metabolic syndrome (CRS). The increased consumption of a fructose-rich Western diet has contributed to the increasing incidence of the CRS, obesity and diabetes especially in industrialized(More)
Anemia is a very common complication of chronic kidney disease (CKD). Anemia confers significant risk of cardiovascular disease and contributes to decreased quality of life. Anemia in CKD patients can be multi-factorial, including but not invariably due to the underlying renal insufficiency. Identifying the type of anemia is important in this group of(More)
Currently used measures to assess kidney function and injury are largely inadequate. Markers such as serum creatinine, formulas to estimate glomerular filtration rate, cystatin C, and proteinuria largely identify an underlying disease process that is well established. Thus, there has been a recent effort to identify new biomarkers that reflect kidney(More)
Recent animal studies indicate that insulin increases arterial baroreflex control of lumbar sympathetic nerve activity; however, the extent to which these findings can be extrapolated to humans is unknown. To begin to address this, muscle sympathetic nerve activity (MSNA) and arterial blood pressure were measured in 19 healthy subjects (27 ± 1 years)(More)