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https://www.readbyqxmd.com/read/28103129/the-role-of-urinary-kim-1-ngal-ca19-9-and-%C3%AE-2-microglobulin-in-the-assessment-of-ureteropelvic-junction-obstruction-in-adults
#1
Eduardo P Miranda, Ricardo Jordão Duarte, José de Bessa, Roberto Iglesias Lopes, Victor Srougi, Hiury Silva Andrade, Rodolfo Ast Bandeira, Marco Antônio Arap, Anuar Ibrahim Mitre, Nayara Izabel Viana, Sabrina Thalita Dos Reis, Kátia Ramos Moreira Leite, Miguel Srougi
PURPOSE: To evaluate the diagnostic properties of urinary biomarkers in adults with ureteropelvic junction obstruction: KIM-1, NGAL, CA19-9, and β2-microglobulin. We also assessed urinary biomarker concentrations following pyeloplasty. MATERIAL AND METHODS: We prospectively studied adults from December 2013 to February 2015. We included 47 patients with a mean age of 38.6 ± 12.7 years. Each patient provided four samples of voided urine for biomarker measurement, one at preoperative consultation and the others at 1, 3 and 6 months of postoperative follow-up...
January 19, 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/28101159/clinical-effects-of-furl-and-pcnl-with-holmium-laser-for-the-treatment-of-kidney-stones
#2
Zhi-Gang Li, Yan Zhao, Tao Fan, Lin Hao, Cong-Hui Han, Guang-Hui Zang
In the present study, the clinical effects of flexible ureteroscopy lithotripsy (FURL) and percutaneous nephrolithotomy (PCNL) for the treatment of kidney stones of ≤2 cm was studied. Seventy-two patients with kidney stones were randomly divided into the FURL group (n=39) under ureteroscope lithotripsy with holmium laser and PCNL group (n=33) under PCNL with holmium laser and compared their clinical effects. At 3 months after the operation, the stone removal rate of the FURL group was significantly higher than that of the PCNL group...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28097825/signalling-pathways-involved-in-hypoxia-induced-renal-fibrosis
#3
REVIEW
Minna Liu, Xiaoxuan Ning, Rong Li, Zhen Yang, Xiaoxia Yang, Shiren Sun, Qi Qian
Renal fibrosis is the common pathological hallmark of progressive chronic kidney disease (CKD) with diverse aetiologies. Recent researches have highlighted the critical role of hypoxia during the development of renal fibrosis as a final common pathway in end-stage kidney disease (ESKD), which joints the scientist's attention recently to exploit the molecular mechanism underlying hypoxia-induced renal fibrogenesis. The scaring formation is a multilayered cellular response and involves the regulation of multiple hypoxia-inducible signalling pathways and complex interactive networks...
January 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28089174/neonatal-acute-kidney-injury-severity-and-recovery-prediction-and-the-role-of-serum-and-urinary-biomarkers
#4
Deirdre U Sweetman
Neonatal acute kidney injury is common, in part due to incomplete renal maturation and also due to frequent exposure to risk factors for acute kidney injury such as perinatal asphyxia, extracorporeal-membrane-oxygenation, cardiac surgery, sepsis, prematurity and nephrotoxicity. However the current method by which acute kidney injury is diagnosed is sub-optimal and not universally accepted which impairs the accurate estimation of the true incidence of neonatal acute kidney injury. Serum Cystatin-C, urinary NGAL, KIM-1 and IL-18 are promising neonatal acute kidney injury biomarkers however the diagnosis of acute kidney injury remains serum creatinine/urine output-based in many studies...
January 11, 2017: Early Human Development
https://www.readbyqxmd.com/read/28076311/biomarkers-of-acute-kidney-injury-the-pathway-from-discovery-to-clinical-adoption
#5
Kianoush Kashani, Wisit Cheungpasitporn, Claudio Ronco
Acute kidney injury (AKI) is a common complication of critical illnesses and has a significant impact on outcomes, including mortality and morbidities. Unfortunately, apart from prophylactic measures, no effective treatment for this syndrome is known. Therefore, early recognition of AKI not only can provide better opportunities for preventive interventions, but also opens many gates for research and development of effective therapeutic options. Over the last few years, several new AKI biomarkers have been discovered and validated to improve early detection, differential diagnosis, and differentiation of patients into risk groups for progressive renal failure, need for renal replacement therapy (RRT), or death...
January 11, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28075469/urinary-kidney-injury-molecule%C3%A2-1-as-an-early-diagnostic-biomarker-of-obstructive-acute-kidney-injury-and-development-of-a-rapid-detection-method
#6
Yingli Jin, Xiaona Shao, Bo Sun, Chunsheng Miao, Zhengqiang Li, Yan Shi
The aim of the present study was to investigate whether urinary kidney injury molecule‑1 (KIM‑1) presents a suitable early diagnostic biomarker of obstructive nephropathy‑induced acute kidney injury (AKI), and to develop a rapid detection method for urinary KIM‑1. Obstructive AKI was induced in an experimental rat model by a unilateral ureteral obstruction (UUO) operation. Macro‑ and micromorphological kidney alterations were determined by visual observation and hematoxylin and eosin (HE) staining, respectively...
January 5, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28065798/monitoring-treatment-of-acute-kidney-injury-with-damage-biomarkers
#7
T J Pianta, L Succar, T Davidson, N A Buckley, Z H Endre
BACKGROUND: Damage biomarkers may identify mechanisms and sites of acute kidney injury (AKI). However, the utility of novel AKI biomarkers differs by context, and their utility for monitoring treatment of AKI is unknown. We hypothesized that selected AKI biomarkers would facilitate monitoring of mechanism-specific treatment. We examined this using a panel of biomarkers to monitor cisplatin-induced AKI treatment with alpha-lipoic acid (α-LA) that has previously been demonstrated to ameliorate cisplatin induced AKI...
January 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28063905/trichloroethylene-induced-formic-aciduria-in-the-male-c57-bl-6-mouse
#8
Edward A Lock, Paul Keane, Philip H Rowe, John R Foster, Daniel Antoine, Christopher M Morris
1, 1, 2-Trichloroethylene (TCE) is of environmental concern, due to evaporation while handling, chemical processing and leakage from chemical waste sites, leading to its contamination of ground water and air. For several decades there has been issues about possible long term health effects of TCE but recently the International Agency for Research on Cancer (IARC) and the US Environmental Protection Agency classified TCE as a human carcinogen. Links having been established between occupational exposures and kidney cancer and possible links to non-Hodgkin lymphoma and liver cancer, but there is more still more to learn...
January 4, 2017: Toxicology
https://www.readbyqxmd.com/read/28063188/utility-of-urinary-tubular-markers-for-monitoring-chronic-tubulointerstitial-injury-after-ischemia-reperfusion
#9
Daisuke Ichikawa, Atsuko Kamijo-Ikemori, Takeshi Sugaya, Keiichi Ohata, Mikako Hisamichi, Seiko Hoshino, Kenjiro Kimura, Yugo Shibagaki
BACKGROUND: The aim of this study was to elucidate whether urinary tubular markers during the chronic phase of acute kidney injury (AKI) are associated with chronic tubulointerstitial damage. METHODS: Male human L-type fatty acid binding protein (L-FABP) chromosomal transgenic (Tg) mice underwent ischemic reperfusion (I/R) injury via renal pedicle clamping for either 10 min or 20 min. Contralateral nephrectomy was performed at the time of tissue reperfusion...
January 7, 2017: Nephrology
https://www.readbyqxmd.com/read/28056546/urinary-microrna-30c-5p-and-microrna-192-5p-as-potential-biomarkers-of-ischemia-reperfusion-induced-kidney-injury
#10
Yan-Fang Zou, Dan Wen, Qian Zhao, Ping-Yan Shen, Hao Shi, Qiang Zhao, Yong-Xi Chen, Wen Zhang
Early detection of acute kidney injury is difficult due to lack of known biomarkers; previous studies have tried to identify new biomarkers for detecting acute kidney injury at an early stage. MicroRNA, a 21-23 nucleotide noncoding RNA molecule, has emerged as a desirable marker in the diagnosis and prognosis of various diseases. This study aims to identify the expression profile of microRNA in ischemia-reperfusion-induced kidney injury and determine the possibility of using the candidate microRNA as biomarker for the detection of I/R-induced kidney injury...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28054933/association-of-hiv-infection-with-biomarkers-of-kidney-injury-and-fibrosis-in-the-multicenter-aids-cohort-study
#11
Vasantha Jotwani, Rebecca Scherzer, Michelle M Estrella, Lisa P Jacobson, Mallory D Witt, Frank Palella, Ken Ho, Michael Bennett, Chirag R Parikh, Joachim H Ix, Michael Shlipak
BACKGROUND: Chronic kidney disease (CKD) is common among HIV-infected individuals, but serum creatinine is insensitive for detecting kidney damage at early stages. We hypothesized that HIV infection would be associated with elevations in subclinical markers of kidney injury and fibrosis in a contemporary cohort of men. METHODS: In this cross-sectional study, we measured urine levels of interleukin-18 (IL-18), kidney injury molecule-1 (KIM-1), pro-collagen type III N-terminal pro-peptide (PIIINP), and albumin-creatinine ratio (ACR) in 813 HIV-infected and 331 uninfected men enrolled in the Multicenter AIDS Cohort Study...
January 5, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28053613/diallyl-disulfide-attenuates-acetaminophen-induced-renal-injury-in-rats
#12
Jin-Young Shin, Ji-Hee Han, Je-Won Ko, Sung-Hyeuk Park, Na-Rae Shin, Tae-Yang Jung, Hyun-A Kim, Sung-Hwan Kim, In-Sik Shin, Jong-Choon Kim
This study investigated the protective effects of diallyl disulfide (DADS) against acetaminophen (AAP)-induced acute renal injury in male rats. We also investigated the effects of DADS on kidney injury molecule-1 (KIM-1) and neutrophil gelatinase-associated lipocalin (NGAL), which are novel biomarkers of nephrotoxicity in renal tissues, in response to AAP treatment. The following four experimental groups were evaluated: (1) vehicle control, (2) AAP (1,000 mg/kg), (3) AAP&DADS, and (4) DADS (50 mg/kg/day). AAP treatment caused acute kidney injury evidenced by increased serum blood urea nitrogen (BUN) levels and histopathological alterations...
December 2016: Laboratory Animal Research
https://www.readbyqxmd.com/read/28011057/the-ischemic-nephrotoxic-acute-kidney-injury-and-the-use-of-renal-biomarkers-in-clinical-practice
#13
REVIEW
Michele Andreucci, Teresa Faga, Antonio Pisani, Maria Perticone, Ashour Michael
The term Acute Renal Failure (ARF) has been replaced by the term Acute Kidney Injury (AKI). AKI indicates an abrupt (within 24-48h) decrease in Glomerular Filtraton Rate, due to renal damage, that causes fluid and metabolic waste retention and alteration of electrolyte and acid-base balance. The renal biomarkers of AKI are substances or processes that are indicators of normal or impaired function of the kidney. The most used renal biomarker is still serum creatinine that is inadequate for several reasons, one of which is its inability to differentiate between hemodynamic changes of renal function ("prerenal azotemia") from intrinsic renal failure or obstructive nephropathy...
December 21, 2016: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28005535/ectopic-adipose-tissue-storage-in-the-left-and-the-right-renal-sinus-is-asymmetric-and-associated-with-serum-kidney-injury-molecule-1-and-fibroblast-growth-factor-21-levels-increase
#14
Gita Krievina, Peteris Tretjakovs, Ilze Skuja, Vija Silina, Laura Keisa, Daiga Krievina, Guntis Bahs
OBJECTIVE: A potential mechanism by which obesity could promote hypertension and kidney diseases is through accumulation of adipose tissue in the renal sinus (RS). The aim of the study was to quantify RS and abdominal adipose tissue volumes and to evaluate serum kidney injury molecule (sKIM)-1 and fibroblast growth factor (FGF)-21 association with different adipose tissue compartments. METHODS: The cross-sectional study included 280 and follow-up study-40 asymptomatic participants; aged 38...
November 2016: EBioMedicine
https://www.readbyqxmd.com/read/28002630/profiling-of-kidney-injury-biomarkers-in-patients-receiving-cisplatin-time-dependent-changes-in-the-absence-of-clinical-nephrotoxicity
#15
Blessy George, Xia Wen, Nickie Mercke, Madeleine Gomez, Cindy O'Bryant, Daniel W Bowles, Yichun Hu, Susan L Hogan, Melanie S Joy, Lauren M Aleksunes
The success of cisplatin-containing regimens to treat solid tumors is limited, in part, by nephrotoxicity. In rodents, several urinary proteins have emerged as more sensitive indicators of cisplatin-induced kidney injury. We sought to characterize time-dependent changes in the urinary concentrations of 12 proteins including KIM-1, calbindin, β2M, and TFF3 after cisplatin therapy. Urine was collected at baseline, 3 (range: 2-5), and 10 (range: 9-11) days from 57 patients with solid tumors receiving outpatient cisplatin therapy (≥ 25 mg/m(2) )...
December 21, 2016: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27998383/efficacy-of-gold-nanoparticles-against-nephrotoxicity-induced-by-schistosoma-mansoni-infection-in-mice
#16
Mohamed A Dkhil, Mona F Khalil, Amira A Bauomy, Marwa Sm Diab, Saleh Al-Quraishy
OBJECTIVE: In this study, the ameliorative effects of gold nanoparticles (gold NP) on the renal tissue damage in Schistosoma mansoni (S. mansoni)-infected mice was investigated. METHODS: High-resolution transmission electron microscopy was used for the characterization of NP. The gold NP at concentrations of 250, 500, and 1000 μg/kg body weight were inoculated into S. mansoni-infected mice. RESULTS: The parasite caused alterations in the histological architecture...
2016: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/27983637/limited-link-between-oxidative-stress-and-ochratoxin-a-induced-renal-injury-in-an-acute-toxicity-rat-model
#17
Liye Zhu, Tao Yu, Xiaozhe Qi, Jing Gao, Kunlun Huang, Xiaoyun He, Haoshu Luo, Wentao Xu
Ochratoxin A (OTA) displays nephrotoxicity and hepatotoxicity. However, in the acute toxicity rat model, there is no evidence on the relationship between OTA and nephrotoxicity and hepatotoxicity. Based on this, the integrated analysis of physiological status, damage biomarkers, oxidative stress, and DNA damage were performed. After OTA treatment, the body weight decreased and AST, ALP, TP, and BUN levels in serum increased. Hydropic degeneration, swelling, vacuolization, and partial drop occurred in proximal tubule epithelial cells...
December 14, 2016: Toxins
https://www.readbyqxmd.com/read/27974318/a-perspective-on-chronic-kidney-disease-progression
#18
Jianyong Zhong, HaiChun Yang, Agnes B Fogo
Chronic kidney disease (CKD) will progress to end stage without treatment, but the decline of renal function may not be linear. Compared to GFR and proteinuria, new surrogate markers, such as KIM-1, NGAL, apoA-IV, and soluble urokinase receptor (suPAR), may allow potential intervention and treatment in the earlier stages of CKD, which could be useful for clinical trials. New omic-based technologies reveal potential new genomic and epigenomic mechanisms which appear different from those causing the initial disease...
December 14, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27966578/urinary-kim-1-a-novel-biomarker-for-evaluation-of-occupational-exposure-to-lead
#19
Rong Zhou, Yahong Xu, Jie Shen, Lin Han, Xi Chen, Xuefang Feng, Xingya Kuang
Chronic occult lead poisoning often develops ensuing occupational lead exposure. Early diagnosis of lead poisoning is critical for timely discontinuation of lead exposure and for prognosis. This study explored the value of urinary kidney injury molecule-1 (KIM-1) in diagnosing renal injury induced by lead at an early stage. We retrospectively analyzed 92 workers exposed to occupational lead and demonstrated a better correlation ship between blood lead levels and urine excretion of KIM-1 than other traditional renal injury biomarkers following creatinine adjustment...
December 14, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27912887/nephroprotective-effects-of-%C3%AE-bisabolol-against-ischemic-reperfusion-acute-kidney-injury
#20
Tiago Lima Sampaio, Ramon Róseo Paula Pessoa Bezerra de Menezes, Marcus Felipe Bezerra da Costa, Gdayllon Cavalcante Meneses, Mauren Cristina Villalta Arrieta, Adriano José Maia Chaves Filho, Glayciane Bezerra de Morais, Alexandre Braga Libório, Renata Sousa Alves, Janaína Serra Azul Monteiro Evangelista, Alice Maria Costa Martins
BACKGROUND: Ischemia/reperfusion (I/R) in kidney is commonly related to acute kidney injury (AKI), essentially through oxidative stress. (-)-α-Bisabolol is a sesquiterpene isolated from the essential oil of a variety of plants, including chamomile, which has important antioxidant activity. STUDY DESIGN: This study intends to evaluate the nephroprotective activity of (-)-α-bisabolol (Bis) in both in vivo and in vitro models of kidney I/R. METHODS: Male Wistar rats were submitted to right nephrectomy, followed by ischemia by clamping of the renal artery in the left kidney for 60min...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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