Correlative interconnections between plasminogen activator (PA) activity (fibrin plate method) and level of urokinase antigen (Ag UAP) and tissue PA antigen (Ag TAP) in urine and blood (ELISA) were studied in 60 patients with chronic glomerulonephritis (CGN) and 38 patients with amyloidosis. The high degree of positive correlation between blood and urine initial PA activity and Ag UAP content was found. This suggests the possible leading role of UAP in formation of the basal fluctuations of fibrinolytic activity in blood and urine. High degree of correlation--r = +0.84 and p < 0.001--was found between blood Ag UAP and urine Ag TAP in amyloidosis only. The functional protein loading probe revealed great importance of high urine and blood AP activity in realizing of ultrafiltration renal process--in CGN and amyloidosis.
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BMC Nephrol
January 2025
Department of Clinical Medicine, University of Bergen, Bergen, Norway.
Background: IgA nephropathy (IgAN) exhibits an unpredictable trajectory, creating difficulties in prognostication, monitoring, treatment, and research planning. This study provides a comprehensive depiction of the progression of kidney function throughout the disease course, from diagnosis to a span of 36 years post-diagnosis.
Methods: We utilized a cohort of 400 Norwegian IgAN patients, from diagnosis to the occurrence of death, initiation of kidney replacement therapy (KRT), or the latest follow-up.
Clin Exp Nephrol
January 2025
Department of Cardiovascular, Renal, and Metabolic Medicine, Sapporo Medical University School of Medicine, South-1, West-16, Chuo-Ku, Sapporo, 060-8556, Japan.
Background: Several clinical trials showed that sodium-glucose cotransporter 2 (SGLT2) inhibitors have protective effects against chronic kidney disease (CKD) in both patients with and those without type 2 diabetes mellitus. Since one of the renoprotective mechanisms of SGLT2 inhibitors is thought to be amelioration of glomerular hyperfiltration, we hypothesized that an enlarged glomerular diameter, which suggests increased single-nephron glomerular filtration rate, is associated with a reduction in urinary protein after treatment with an SGLT2 inhibitor.
Methods: This study was a retrospective multicentered study including 28 adult patients with CKD who underwent kidney biopsy and were then treated with dapagliflozin, an SGLT2 inhibitor.
BMJ Case Rep
January 2025
Department of Nephrology, Barts Health NHS Trust, London, UK.
Anti-neutrophil cytoplasmic antibody-associated vasculitides (AAV) represent a heterogeneous multisystem group of disorders typified by necrotising inflammation of smaller blood vessels, classically yielding a pauci-immune, crescentic glomerulonephritis. Without prompt treatment, there is a significant risk of irreversible damage and ensuing renal impairment.Diagnosis is often challenging, exacerbated by the disorder's often vague and insidious presentation.
View Article and Find Full Text PDFUrologia
January 2025
Department of Urology and Renal Transplantation, Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow, Lucknow, Uttar Pradesh, India.
Introduction: Pseudotumors are benign lesions which may mimic like a malignant tumor on conventional imaging. They are formed in kidneys which are scarred and deformed by chronic pyelonephritis, glomerulonephritis, trauma or infarction. There is a diagnostic dilemma in most of the cases as to differentiate RCC and pseudotumors.
View Article and Find Full Text PDFSyst Rev
January 2025
Centre for Public Health, Queen's University of Belfast, Belfast, BT12 6AB, Northern Ireland.
Background: IgA nephropathy (IgAN) is the most common primary glomerulonephritis in the world and is an important cause of chronic kidney disease (CKD) and kidney failure. Outcomes are heterogeneous, and accurate risk stratification is important to identify the highest risk individuals for treatment and to help prevent disease progression. The Oxford classification (OC) is an internationally adopted standard for renal biopsy reporting in IgAN, which measures the degree of histological abnormalities and predicts prognosis.
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