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Cystatin C

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https://www.readbyqxmd.com/read/28721139/vitamin-d-deficiency-and-non-lipid-biomarkers-of-cardiovascular-risk
#1
Kamil F Faridi, Joshua R Lupton, Seth S Martin, Maciej Banach, Renato Quispe, Krishnaji Kulkarni, Steven R Jones, Erin D Michos
INTRODUCTION: Deficient 25-hydroxyvitamin D (25(OH)D) levels have been associated with dyslipidemia and cardiovascular diseases, though the underlying mechanism of these associations is uncertain. We analyzed associations between vitamin D and other non-lipid biomarkers of cardiovascular risk to better elucidate possible relationships between deficient 25(OH)D and cardiovascular disease. MATERIAL AND METHODS: We performed a cross-sectional analysis of 4,591 adults included in a clinical laboratory database from 2009 to 2011 with available measurements for 25(OH)D and the following biomarkers: homocysteine (Hcy), high-sensitivity C-reactive protein (hs-CRP), cystatin-C, creatinine, γ-glutamyltransferase (GGT), uric acid, and hemoglobin A1c (HbA1c)...
June 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28713775/salivary-tick-cystatin-omc2-targets-lysosomal-cathepsins-s-and-c-in-human-dendritic-cells
#2
Tina Zavašnik-Bergant, Robert Vidmar, Andreja Sekirnik, Marko Fonović, Jiří Salát, Lenka Grunclová, Petr Kopáček, Boris Turk
To ensure successful feeding tick saliva contains a number of inhibitory proteins that interfere with the host immune response and help to create a permissive environment for pathogen transmission. Among the potential targets of the salivary cystatins are two host cysteine proteases, cathepsin S, which is essential for antigen- and invariant chain-processing, and cathepsin C (dipeptidyl peptidase 1, DPP1), which plays a critical role in processing and activation of the granule serine proteases. Here, the effect of salivary cystatin OmC2 from Ornithodoros moubata was studied using differentiated MUTZ-3 cells as a model of immature dendritic cells of the host skin...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28706154/predictive-value-of-post-procedural-early-within-24-h-increase-in-cystatin-c-for-contrast-induced-acute-kidney-injury-and-mortality-following-coronary-angiography-or-intervention
#3
Yong Liu, Kai-Hong Chen, Shi-Qun Chen, Li-Ling Chen, Chong-Yang Duan, Kun Wang, Xiao-Sheng Guo, Hua-Long Li, Wei-Jie Bei, Kai-Yan Lin, Ping-Yan Chen, Ying Xian, Ning Tan, Ying-Ling Zhou, Qing-Shan Geng, Ji-Yan Chen
OBJECTIVE: To investigate the predictive value of post-procedural early (within 24 h) increase in cystatin C for contrast-induced acute kidney injury (CI-AKI) and all-cause mortality following coronary angiography or intervention. METHODS: We prospectively investigated 1042 consecutive patients with both baseline and early post-procedural cystatin C measurement undergoing coronary angiography or intervention. CI-AKI was defined as an increase ≥0.3 mg/dL or >50% in serum creatinine from baseline within 48 h post-procedure...
July 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28701152/performance-of-urinary-neutrophil-gelatinase-associated-lipocalin-clusterin-and-cystatin-c-in-predicting-diabetic-kidney-disease-and-diabetic-microalbuminuria-a-consecutive-cohort-study
#4
Xian-Fei Zeng, Dong-Xue Lu, Jun-Min Li, Yun Tan, Zhuo Li, Lei Zhou, Zeng-Qian Xi, Shu-Miao Zhang, Wei Duan
BACKGROUND: Tubular biomarkers have been regarded as emerging and promising markers for early diagnosis of diabetic kidney disease (DKD). The study was to determine the diagnostic capabilities of tubular biomarkers (urinary neutrophil gelatinase-associated lipocalin [NGAL], clusterin, and cystatin C) for DKD and diabetic microalbuminuria, and whether or not the tubular biomarkers appear earlier than microalbuminuria. METHODS: In this consecutive cohort study, 146 type 2 diabetes mellitus (T2DM) patients with a disease duration of ≥6 years were enrolled...
July 12, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28697819/functional-characterization-of-single-domain-cystatin-like-cysteine-proteinase-inhibitors-expressed-by-the-trematode-fasciola-hepatica
#5
Martín Cancela, Ileana Corvo, Edileuza DA Silva, Aline Teichmann, Leda Roche, Alvaro Díaz, José Fransisco Tort, Henrique B Ferreira, Arnaldo Zaha
Cystatins are small, phylogenetically conserved proteins that are tight-binding inhibitors of cysteine proteinases. The liver fluke Fasciola hepatica uses a diverse set of cysteine proteinases of the papain superfamily for host invasion, immune evasion and nutrition, but little is known about the regulation of these enzymes. The aim of this work is to characterize the cystatin repertoire of F. hepatica. For this purpose, we first surveyed the available sequence databases, identifying three different F. hepatica single-domain cystatins...
July 12, 2017: Parasitology
https://www.readbyqxmd.com/read/28693441/ckd-epi-creatinine-cystatin-c-glomerular-filtration-rate-estimation-equation-seems-more-suitable-for-chinese-patients-with-chronic-kidney-disease-than-other-equations
#6
Xiao-Hua Chi, Gui-Ping Li, Quan-Shi Wang, Yong-Shuai Qi, Kai Huang, Qian Zhang, Yao-Ming Xue
BACKGROUND: The aim of this study was to identify the optimal equation that accurately estimates the glomerular filtration rate (GFR) and the chronic kidney disease (CKD) stage in the Chinese population. METHODS: A total of 1296 Chinese patients aged 18-65 years old were enrolled in this study. The estimated GFRs (eGFRs) calculated separately by three Diet in Renal Disease (MDRD) equations and three Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations were compared with the reference GFR (rGFR) measured by the (99)Tc(m)-DTPA renal dynamic imaging method...
July 10, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28691424/an-animal-model-of-the-procognitive-properties-of-cysteine-protease-inhibitor-and-immunomodulatory-peptides-based-on-colostrum
#7
Bartłomiej Stańczykiewicz, Marta Jakubik-Witkowska, Antoni Polanowski, Tadeusz Trziszka, Joanna Rymaszewska
BACKGROUND: The positive effect of human cystatin C on the development of Alzheimer's disease has been reported, as it inhibits the formation of β-amyloid oligomers and amyloidogenesis. Cystatin C has been found to have a neuroprotective effect through inhibiting cysteine proteases, inducing autophagy and neurogenesis. There is a growing interest in the procognitive properties of colostrum-based specimens, which could delay dementia and ameliorate memory deterioration. OBJECTIVES: The aim of the study was to evaluate the influence of Ovocystatin and a Coloco peptide complex on the cognitive functions in reference to Colostrinin, using a model of young and old rats...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28685957/the-characteristics-of-carotid-atherosclerosis-in-elderly-patients-with-type-2-diabetes-at-different-disease-course-and-the-intervention-by-statins-in-the-very-elderly-patients
#8
Wenjun Chen, Tao Tian, Shiming Wang, Yan Xue, Zongqin Sun, Shuli Wang
INTRODUCTION: Chronic complications of diabetes have become the leading cause of death in elderly patients with diabetes. Carotid atherosclerosis, one of the major complications was evaluated and the effect of atorvastatin on carotid atherosclerosis in very elderly patients with type 2 diabetes (T2D) were observed. MATERIAL AND METHODS: Patients were divided into 3 groups: 1) disease course < 5 years; 2) disease course = 5-10 years; 3) disease course > 10 years, and carotid atherosclerosis were evaluated...
July 7, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28685413/telluric-acid-ameliorates-endotoxemic-kidney-injury-in-mice-involvement-of-tlr4-nrf2-and-pi3k-akt-signaling-pathways
#9
Ahmed F Mohamed, Marwa M Safar, Hala F Zaki, Helmy M Sayed
Being one of the most abundant trace elements in the human body, the therapeutic potential of tellurium-based compounds has been a target of interest. Recent reports denoted their redox-modulating and anti-inflammatory activities in experimental endotoxemia. However, their potential nephroprotective effect against endotoxemic kidney injury is yet to be elucidated. This study investigated the possible renoprotective effect of telluric acid (TEL) against lipopolysaccharide (LPS)-induced acute kidney injury (AKI) in mice, targeting toll-like receptor 4 (TLR4), phosphoinositide 3-kinase (PI3K)/Akt, and nuclear factor-erythroid 2-related factor-2 (Nrf2) pathways as possible mechanistic contributors to TEL's effect...
July 6, 2017: Inflammation
https://www.readbyqxmd.com/read/28682890/efficacy-of-short-term-moderate-or-high-dose-rosuvastatin-in-preventing-contrast-induced-nephropathy-a-meta-analysis-of-15-randomized-controlled-trials
#10
REVIEW
Min Liang, Shicheng Yang, Naikuan Fu
BACKGROUND: The prophylactic efficacy of statin pretreatment for the prevention of contrast-induced nephropathy (CIN) in patients undergoing coronary angiography (CAG) or percutaneous coronary intervention (PCI) remains controversial. The aim of the study was to perform a meta-analysis of randomized controlled trials (RCTs) to assess the effectiveness of short-term moderate or high-dose rosuvastatin pretreatment in preventing CIN. METHODS: We included RCTs comparing short-term moderate or high-dose rosuvastatin treatment versus low-dose rosuvastatin treatment or placebo for preventing CIN...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28681080/association-between-cord-blood-cystatin-c-levels-and-early-mortality-of-neonates-with-congenital-abnormalities-of-the-kidney-and-urinary-tract-a-single-center-retrospective-cohort-study
#11
Seiichi Tomotaki, Katsuaki Toyoshima, Tomoyuki Shimokaze, Jun Shibasaki, Hiroyuki Nagafuchi
BACKGROUND: Some fetuses with congenital abnormalities of the kidney and urinary tract (CAKUT) have severe renal dysfunction during the prenatal period that can result in oligohydramnios, pulmonary hypoplasia, and death following birth. We hypothesized that cord blood cystatin C (CysC) levels are elevated in neonates who have life-threatening pulmonary hypoplasia and oligohydramnios due to severe renal dysfunction. In this study we compared cord blood CysC levels between a non-survivor group with CAKUT and a survivor group...
July 6, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28674715/urinary-neutrophil-gelatinase-associated-lipocalin-is-an-excellent-predictor-of-mortality-in-intensive-care-unit-patients
#12
Haifa M Algethamy, Fatma I Albeladi
OBJECTIVES: To assess urine neutrophil gelatinase-associated lipocalin (uNGAL) level as a potential predictor of acute kidney injury (AKI), and both intensive care unit (ICU) and in-hospital mortality. METHODS: Patients presenting to our ICU with a systolic blood pressure (SBP) less than 90 mmHg or mean arterial pressure (MAP) less than 65 mmHg, and no prior kidney disease were followed prospectively. Baseline data were collected on patient demographics, admission diagnosis, APACHE II and SOFA scores, SBP, MAP, serum creatinine and cystatin C, and uNGAL...
July 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28672949/long-term-adefovir-therapy-may-induce-fanconi-syndrome-a-report-of-four-cases
#13
Fan Pan, Yingchao Wang, Xin Zhang, Qingfeng Lin, Xiaolong Liu, Yi Jiang, Chen Pan
Fanconi syndrome is a rare disease characterized by dysfunction of the proximal renal tubules as a result of various pathogenic events. Drug-induced Fanconi syndrome may be neglected or misdiagnosed, which increases the level of suffering. The aim of the present study was to conduct an investigation into the effects of adefovir (ADV)-induced Fanconi syndrome. Four typical cases of Fanconi syndrome caused by long-term ADV therapy (2-9 years) were diagnosed at our hospital. A complete medical and therapy history was collected from all four patients prior to a physical examination...
July 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28671149/evaluation-of-neutrophil-gelatinase-associated-lipocalin-and-cystatin-c-as-early-markers-of-diabetic-nephropathy
#14
Zeba Siddiqi, Ritu Karoli, Anupama Kaul, Jalees Fatima, Shishir Varshney, Mohd Sameer Beg
INTRODUCTION: Diabetes mellitus (DM) is a major cause of concern because of its increasing prevalence rate and related microvascular as well as macrovascular complications, including kidney disease. Microalbuminuria has been accepted as the earliest marker for diabetic nephropathy; however, a large proportion of renal impairment occurs in nonalbuminuric state. We planned to investigate the serum and urinary levels of the tubular damage markers (neutrophil gelatinase-associated lipocalin [NGAL] and cystatin C [Cys C]) in patients of type 2 diabetes to detect early kidney injury...
July 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/28671096/the-reference-intervals-for-renal-function-indexes-in-chinese-pregnant-women
#15
Li Jia, Jiang Yongmei, Peng Leiwen, Yang Yi
The purpose of the present research was to establish reference intervals for renal function indexes (Cystatin C, Blood Urea Nitrogen Creatinine and Uric Acid) in pregnant women in China. Blood samples were collected from 203 healthy non-pregnant women and 623 healthy pregnant women in different trimesters. Samples from 23 healthy consecutive pregnant women were collected to validate. Serum Cystatin C was measured by latex particle enhanced immune turbidity assay (Dade Behring, Germany) using Centaur 2400 (Siemens, New York, USA)...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28669959/-correlation-of-blood-concentration-of-tacrolimus-with-serum-cystatin-c-in-renal-transplant-recipients-and-effect-of-tacrolimus-on-glucose-and-lipid-metabolism
#16
Zhen-Bang Zhong, Li-Qian Mo, Yan Chen, Ping Zheng, Xi-Xiao Yang
OBJECTIVE: To investigate the correlation between blood concentrations of tacrolimus (FK506) and cystatin C (Cys C) and the effect of FK506 on glycolipid metabolism in renal transplant recipients. METHODS: A total of 325 patients receiving renal transplantation between August, 2014 and September, 2015 in Nanfang Hospital were divided into 4 groups according to the postoperative time (1 month group, 1-3 months group, 4-6 months group, and 7-12 months group). FK506 blood trough concentration was measured at the time of postoperative follow-up, and creatinine (Scr) and Cys C levels were also detected...
June 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28669333/biomarkers-in-stable-coronary-artery-disease
#17
Jonas Rusnak, Christian Fastner, Michael Behnes, Kambis Mashayekhi, Martin Borggrefe, Ibrahim Akin
BACKGROUND: Coronary artery disease (CAD) is the most common reason for death in the western hemisphere. Therefore, a well-functioning risk-management has been established over the past decades with uprising interest in 'novel' biomarkers to predict adverse coronary events and detect patients with subclinical CAD. This review will focus on selected biomarkers belonging to the family of inflammatory markers (fibrinogen or hs-CRP) or to the family of lipid-associated markers (Lipoprotein associated PA2 or Lipoprotein a) and others are direct organ-specific biomarkers (hs-troponin, Cystatin C or NT-proBNP)...
June 30, 2017: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/28667728/glomerular-filtration-rate-estimation-by-serum-creatinine-or-serum-cystatin-c-in-preterm-31-weeks-neonates
#18
Parvesh Garg, Guillermo Hidalgo
Glomerular filtration rate (GFR) was estimated by serum creatinine (Schwartz's equation) and serum cystatin C (Filler's equation) in preterm neonates (24-31 weeks of gestation) in a prospective cohort study. Serum creatinine and cystatin C was obtained at birth and then every two weeks during the first month. We found a poor fit between two methods, and a steadier GFR assessment by cystatin C.
June 15, 2017: Indian Pediatrics
https://www.readbyqxmd.com/read/28666182/serum-cystatin-c-in-youth-with-diabetes-the-search-for-diabetes-in-youth-study
#19
Roopa Kanakatti Shankar, Lawrence M Dolan, Scott Isom, Sharon Saydah, David M Maahs, Dana Dabelea, Kristi Reynolds, Irl B Hirsch, Beatriz L Rodriguez, Elizabeth J Mayer-Davis, Santica Marcovina, Ralph D'Agostino, Michael Mauer, Amy K Mottl
AIMS: We compared cystatin C in youth with versus without diabetes and determined factors associated with cystatin C in youth with type 1 diabetes (T1D) and type 2 diabetes (T2D). METHODS: Youth (ages 12-19years) without diabetes (N=544) were ascertained from the NHANES Study 2000-2002 and those with T1D (N=977) and T2D (N=168) from the SEARCH for Diabetes in Youth Study. Adjusted means of cystatin C concentrations were compared amongst the 3 groups. Next, we performed multivariable analyses within the T1D and T2D SEARCH samples to determine the association between cystatin C and race, sex, age, diabetes duration, HbA1c, fasting glucose, and BMI...
June 12, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28655389/role-of-dry-lean-body-mass-for-estimation-of-glomerular-filtration-rate-in-kidney-transplant-recipients
#20
Špela Borštnar, Jelka Lindič, Andrej Škoberne, Luka Ležaič, Aljaž Sočan, Aljoša Kandus, Damjan Kovač
BACKGROUND: The use of equations that predict glomerular filtration rate (GFR) in patients with a kidney graft is still a matter of debate. The purpose of this study was to determine the level of accuracy of GFR equations and the relevance of dry lean body mass in the assessment of GFR. METHODS: In a prospective clinical study, 100 patients with a kidney graft were included. Estimated GFR with Modification of Diet in Renal Disease equation (MDRD), Chronic Kidney Disease Epidemiology Collaboration equation (CKD EPI) with serum creatinine concentration (CKD EPI Cr), serum cystatin C concentration (CKD EPI CysC) or both (CKD EPI Cr-CysC), and creatinine clearance calculated with Cockcroft-Gault equation (CG) was compared with GFR measured by 51Cr-EDTA clearance (mGFR 51Cr-EDTA)...
June 28, 2017: Clinical Nephrology
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