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The complement component C4 is encoded by two genes: C4A and C4B on human chromosome 6p in the major histocompatibility complex (MHC). Most studies have linked the deficiencies in C4 with systemic lupus erythematosus (SLE) in Angio-Irish, North American, Black American, Mexican American, Australian and Japanese populations. Null alleles at either locus(More)
Severe forms of hypertension are characterized by high blood pressure combined with end organ damage. Through the development and refinement of a transgenic rat model of malignant hypertension incorporating the mouse renin gene, we previously identified a quantitative trait locus on chromosome 10, which affects malignant hypertension severity and morbidity.(More)
BACKGROUND Coronary artery calcification (CAC) is prevalent among haemodialysis patients and predicts cardiovascular mortality. In addition to modifying traditional cardiovascular risk factors, therapy aimed at lowering serum phosphate and calcium-phosphate product has been advocated. Sodium thiosulfate, through its chelating property, removes calcium from(More)
Intracardiac renin is considered to be involved in the pathogenesis of cardiac hypertrophy, fibrosis, and myocardial infarction. Cardiac renin is predominantly derived from the circulation, because preprorenin is not expressed locally and uptake of renin has been demonstrated. One mechanism of internalization recently described involves the(More)
Previous studies have shown poor absorption of enteric-coated mycophenolate sodium (E-MPS) during the initial post-kidney transplantation (KT) period. The percentage of patients with adequate therapeutic exposure (target AUC 30-60 microg.h/mL) of mycophenolic acid is 55%, 86%, and 100% at days 14, 90, and 180 postgrafting. To assess the adequacy of(More)
BACKGROUND The traditional method for assessing HLA antibodies in recipient serum samples is the complement-dependent cytotoxicity testing (CDC). Recently, the highly sensitive microbead-based Luminex assay was introduced and can detect low levels of anti-HLA Abs. OBJECTIVE To determine the impact of pretransplant donor-specific HLA antibodies (DSA)(More)
BACKGROUND AND OBJECTIVES Renal phosphate wasting occurs early postkidney transplantation as a result of an accumulation of parathyroid hormone and fibroblast growth factor 23 from the CKD period. Serum phosphate, parathyroid hormone, and fibroblast growth factor 23 return to baseline 1 year postkidney transplantation. What happens beyond this period is(More)
Systemic lupus erythematosus (SLE) is a complex autoimmune disorder that affects various organs and systems. Increased apoptosis, together with defects in the uptake of apoptotic bodies, are thought to have a pathogenic role in SLE. By detection of chromatin condensation, 30% of apoptosis was detected in peripheral blood mononuclear cells (PBMC) from Thai(More)
BACKGROUND Bone loss is common among hemodialysis patients and contributes to mortality. The association between bone loss and vascular calcification may explain the increased mortality risk. Studies on the association between decreased bone mass and mortality in maintenance hemodialysis patients are limited. METHODS Eighty-three hemodialysis patients(More)
CONTEXT The deposition of extracellular matrix is a major pathogenic mechanism leading to fibrosis and progressive decline in renal function in patients with lupus nephritis (LN). Currently, available clinicopathologic features cannot predict renal outcome consistently. OBJECTIVE To test that the expression of renal fibrogenic genes correlates with renal(More)