نتایج جستجو برای: cystatin cسرم
تعداد نتایج: 4118 فیلتر نتایج به سال:
Cystatins are natural inhibitors of papain-like (family C1) and legumain-related (family C13) cysteine peptidases. Cystatin D is a type 2 cystatin, a secreted inhibitor found in human saliva and tear fluid. Compared with its homologues, cystatin D presents an unusual inhibition profile with a preferential inhibition cathepsin S > cathepsin H > cathepsin L and no inhibition of cathepsin B or pig...
INTRODUCTION Estimation of the glomerular filtration rate (GFR) is essential for the evaluation of patients with kidney disease, and for treating patients with drugs that are eliminated from the circulation by the kidneys. Cystatin C has been shown to be superior to creatinine for estimating GFR in several studies. However, studies showing that thyroid function has an impact on cystatin C have ...
BACKGROUND Cystatin C-based equations are used to estimate GFR. However, three cystatin C immunoassays are on the market. Difference in cystatin C assays could have strong consequences on the accuracy and precision of cystatin C-based equations. We have performed an analytical study of these three assays and studied potential differences between assays on the precision of cystatin C-based equat...
BACKGROUND Equations to estimate GFR have not been well validated in the elderly and may misclassify persons with chronic kidney disease (CKD). We measured GFR and compared the performance of the Modification of Diet in Renal Disease (MDRD), the Chronic Kidney Disease-Epidemiology Collaboration (CKD-Epi) and the Berlin Initiative Study (BIS) equations based on creatinine and/or cystatin C in oc...
There has been considerable recent interest in the potential use of serum cystatin C as a diagnostic tool. Here we examined the hypothesis that the cystatin C level in the pleural effusion can differ from the corresponding serum level. We evacuated pleural effusion fluids from 47 patients by thoracentesis. Cystatin C, beta(2)-microglobulin, inorganic phosphate, creatinine and total protein were...
BACKGROUND Cystatin C, a marker of kidney injury, is freely filtered in the glomeruli and reabsorbed by the proximal tubules. Megalin and cubilin are endocytic receptors essential for reabsorption of most filtered proteins. This study examines the role of these receptors for the uptake and excretion of cystatin C and explores the effect of renal ischemia/reperfusion injury on renal cystatin C u...
BACKGROUND/AIMS The relationship between carotid artery plaque burden, phenotype and serum cystatin C at normal and impaired renal function is still unclear. METHODS Demographic characteristics, carotid ultrasonography and other relevant information of 1,477 patients were collected. The association of carotid artery plaque burden, plaque phenotype with serum cystatin C was evaluated by strate...
INTRODUCTION Measurement of glomerular filtration rate (GFR) is critical for the diagnosis and stratification of chronic kidney disease (CKD). Recent studies have shown that cystatin C is superior to creatinine for the detection of impaired GFR, and several cystatin C-based equations for estimating GFR have been developed for this clinical application. We conducted the present study to assess t...
Cystatin A (acid cysteine proteinase inhibitor; ACPI) is a natural inhibitor of cysteine proteinases. It has been suggested that an inverse correlation exists between cystatin A and malignant progression. We wanted to assess the biological and clinical significance of cystatin A in infiltrative breast carcinoma by immunohistochemical staining. Formalin-fixed paraffin-embedded material from 440 ...
The goal of this study was to investigate Cystatin SN, a cysteine protease inhibitor, as a novel tumor marker for colorectal cancer (CRC). Gene expression profiles of mRNA from normal tissues and cancer cell lines were performed. Twenty-eight monoclonal antibodies for Cystatin SN were generated and serum Cystatin SN was quantified using ELISA in sera from 159 patients with CRC and 40 healthy co...
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