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https://www.readbyqxmd.com/read/28721084/urinary-timp2%C3%A2-igfbp7-for-the-prediction-of-platinum-induced-acute-renal-injury
#1
Moritz Schanz, Anette Hoferer, Jing Shi, Mark Dominik Alscher, Martin Kimmel
INTRODUCTION: Platinum-based chemotherapy (PBC) is a potent antineoplastic treatment, but cisplatin nephrotoxicity is often the limiting factor. Identifying the patients who are at risk for developing platinum-induced renal injury is an important issue. We tested urinary TIMP2·IGFBP7, a new US Food and Drug Administration (FDA)-cleared test to assess the risk of acute kidney injury (AKI), in a cohort of patients with malignant neoplastic disease receiving PBC. PATIENTS AND METHODS: A total of 58 patients with malignant neoplastic disease were enrolled in this study, of whom 32 patients had both urine samples and subsequent serum creatinine values available for detecting AKI within 72 hours...
2017: International Journal of Nephrology and Renovascular Disease
https://www.readbyqxmd.com/read/28684903/serum-levels-of-igfbp7-are-elevated-during-acute-exacerbation-in-copd-patients
#2
Wenjing Ruan, Minliang Wu, Liuhong Shi, Fengying Li, Liangliang Dong, Yuanhua Qiu, Xiaohong Wu, Kejing Ying
OBJECTIVE: The purpose of this study was to explore the insulin-like growth factor binding protein 7 (IGFBP7) level in the serum of chronic obstructive pulmonary disease (COPD) patients during acute exacerbation (AE). METHODS: The study population consisted of 47 AECOPD patients, including 25 patients enrolled between January 2011 and February 2011 (the first group) and 22 patients enrolled from December 2011 to August 2012 (the second group) and 29 healthy controls...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28682920/the-diagnostic-accuracy-of-urinary-timp-2-%C3%A2-igfbp7-for-acute-kidney-injury-in-adults-a-prisma-compliant-meta-analysis
#3
Chao Liu, Xiaochun Lu, Zhi Mao, Hongjun Kang, Hui Liu, Liang Pan, Jie Hu, Li Wang, Feihu Zhou
INTRODUCTION: Early diagnosis of acute kidney injury (AKI) remains a challenge. Recently, [TIMP-2]·[IGFBP7], which is a combination of urine tissue inhibitor of metalloproteinase 2 (TIMP-2) and insulin-like growth factor (IGF) binding protein 7 (IGFBP7), has been identified as a potential biomarker of AKI. We performed this meta-analysis to assess the diagnostic accuracy of urinary [TIMP-2]·[IGFBP7] for AKI in adult patients. METHODS: We searched the PubMed, Embase, and Cochrane Library databases from database inception to March 2017...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28679590/unique-sex-and-age-dependent-effects-in-protective-pathways-in-acute-kidney-injury
#4
Ravindra Boddu, Chunlan Fan, Sunil Rangarajan, Bhuvana Sunil, Subhashini Bolisetty, Lisa M Curtis
Sex and age influence susceptibility to acute kidney injury (AKI), with young females exhibiting lowest incidence. In these studies, we investigated mechanisms which may underlie the sex/age based dissimilarities. Cisplatin (Cp)-induced AKI resulted in morphological evidence of injury in all groups. A minimal rise in plasma creatinine (PCr) was seen in Young Females, while in Aged Females, PCr rose precipitously. Relative to Young Males, Aged Males showed significantly, but temporally, comparably elevated PCr...
July 5, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28674842/clinical-relevance-and-predictive-value-of-damage-biomarkers-of-drug-induced-kidney-injury
#5
Sandra L Kane-Gill, Pamela L Smithburger, Kianoush Kashani, John A Kellum, Erin Frazee
Nephrotoxin exposure accounts for up to one-fourth of acute kidney injury episodes in hospitalized patients, and the associated consequences are as severe as acute kidney injury due to other etiologies. As the use of nephrotoxic agents represents one of the few modifiable risk factors for acute kidney injury, clinicians must be able to identify patients at high risk for drug-induced kidney injury rapidly. Recently, significant advancements have been made in the field of biomarker utilization for the prediction and detection of acute kidney injury...
July 3, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28646585/prognostic-value-of-cell-cycle-arrest-biomarkers-in-patients-at-high-risk-for-acute-kidney-injury-a-systematic-review-and-meta-analysis
#6
REVIEW
Hui-Miao Jia, Li-Feng Huang, Yue Zheng, Wen-Xiong Li
AIM: Urinary tissue inhibitor of metalloproteinase-2 (TIMP-2) and insulin-like growth factor binding protein 7 (IGFBP7) are G1 cell cycle arrest biomarkers. This systematic review aimed to evaluate the prognostic value of urinary [TIMP-2]·[IGFBP7] in patients at high risk for AKI. METHODS: The MEDLINE (via PubMed), Ovid, EMBASE and Cochrane Library databases were systematically searched from inception to December 25, 2016. Original clinical studies which met the eligibility criteria were included in this study...
June 24, 2017: Nephrology
https://www.readbyqxmd.com/read/28641641/-expression-of-insulin-like-growth-factor-binding-protein-7-gene-in-multiple-myeloma-cell-line-and-methylation-regulation
#7
Wen-Hua Liu, Yan-Ping Ma
OBJECTIVE: To investigate the expression of insulin-like growth factor binding protein 7 (IGFBP7 ) gene in multiple myeloma cell line U266, and study the effect of 5-aza-2'-deoxycytidine (5-aza-dc) on proliferation of U266 cells. METHODS: multiple myeloma cell line U266 was cultured in vitro. The bone marrow mononuclear cells from healthy persons(N-BMMNC) were collected and used as normal controls. The IGFBP7 mRNA expression of U266 cells and N-BMMNC were detected by real-time fluorescence quantitative PCR, the DNA methylation status of the IGFBP7 CpG island was measured by using methylation-specific PCR(MSP)...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28619711/igfbp7-deletion-promotes-hepatocellular-carcinoma
#8
Maaged Akiel, Chunqing Guo, Xia Li, Devaraja Rajasekaran, Rachel G Mendoza, Chadia L Robertson, Nidhi Jariwala, Fang Yuan, Mark A Subler, Jolene Windle, Dawn K Garcia, Zhao Lai, Hung-I Harry Chen, Yidong Chen, Shah Giashuddin, Paul B Fisher, Xiang-Yang Wang, Devanand Sarkar
Activation of IGF signaling is a major oncogenic event in diverse cancers, including hepatocellular carcinoma (HCC). In this setting, the insulin-like growth factor binding protein IGFBP7 inhibits IGF signaling by binding the IGF-1 receptor (IGF-1R), functioning as a candidate tumor suppressor. IGFBP7 abrogates tumors by inhibiting angiogenesis and inducing cancer-specific senescence and apoptosis. Here we report that Igfbp7-deficient mice exhibit constitutively active IGF signaling, presenting with pro-inflammatory and immunosuppressive microenvironments and spontaneous liver and lung tumors occurring with increased incidence in carcinogen-treated subjects...
June 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28558754/urinary-timp-2-and-igfbp7-for-the-prediction-of-acute-kidney-injury-following-cardiac-surgery
#9
Yimei Wang, Zhouping Zou, Jifu Jin, Jie Teng, Jiarui Xu, Bo Shen, Wuhua Jiang, Yamin Zhuang, Lan Liu, Zhe Luo, Chunsheng Wang, Xiaoqiang Ding
BACKGROUND: Acute kidney injury (AKI) following cardiac surgery is common and associated with poor patient outcomes. Early risk assessment for development of AKI remains a challenge. The combination of urinary tissue inhibitor of metalloproteinase 2 (TIMP-2) and insulin-like growth factor binding protein 7 (IGFBP7) has been shown to be an excellent predictor of AKI following cardiac surgery, but reported studies are for predominately non-Asian populations. METHODS: Adult patients were prospectively enrolled at Zhongshan hospital in Shanghai, China...
May 30, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28533824/analysis-of-the-dna-methylation-level-of-cancer-related-genes-in-colorectal-cancer-and-the-surrounding-normal-mucosa
#10
Tamotsu Sugai, Masakazu Yoshida, Makoto Eizuka, Noriyuki Uesugii, Wataru Habano, Kouki Otsuka, Akira Sasaki, Eiichiro Yamamoto, Takayuki Matsumoto, Hiromu Suzuki
BACKGROUND: Two molecular pathways promote the development of colorectal cancer (CRC). One is termed "microsatellite stable" (MSS) whereas the other is characterized by "microsatellite instability" (MSI or MIN). In addition, the CpG island methylation phenotype is known to be an important alteration as a third molecular type. Thus, DNA methylation is thought to provide potential biomarkers for assessment of cancer risk in normal mucosa. In addition, it is also known that colonic location is an important parameter in the development of CRC...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/28487652/functional-gene-analysis-reveals-cell-cycle-changes-and-inflammation-in-endothelial-cells-irradiated-with-a-single-x-ray-dose
#11
Bjorn Baselet, Niels Belmans, Emma Coninx, Donna Lowe, Ann Janssen, Arlette Michaux, Kevin Tabury, Kenneth Raj, Roel Quintens, Mohammed A Benotmane, Sarah Baatout, Pierre Sonveaux, An Aerts
Background and Purpose: Epidemiological data suggests an excess risk of cardiovascular disease (CVD) at low doses (0.05 and 0.1 Gy) of ionizing radiation (IR). Furthermore, the underlying biological and molecular mechanisms of radiation-induced CVD are still unclear. Because damage to the endothelium could be critical in IR-related CVD, this study aimed to identify the effects of radiation on immortalized endothelial cells in the context of atherosclerosis. Material and Methods: Microarrays and RT-qPCR were used to compare the response of endothelial cells irradiated with a single X-ray dose (0...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28362428/%C3%AE-133p53-represses-p53-inducible-senescence-genes-and-enhances-the-generation-of-human-induced-pluripotent-stem-cells
#12
Izumi Horikawa, Kye-Yoon Park, Kazunobu Isogaya, Yukiharu Hiyoshi, Han Li, Katsuhiro Anami, Ana I Robles, Abdul M Mondal, Kaori Fujita, Manuel Serrano, Curtis C Harris
p53 functions to induce cellular senescence, which is incompatible with self-renewal of pluripotent stem cells such as induced pluripotent stem cells (iPSC) and embryonic stem cells (ESC). However, p53 also has essential roles in these cells through DNA damage repair for maintaining genomic integrity and high sensitivity to apoptosis for eliminating severely damaged cells. We hypothesized that Δ133p53, a physiological inhibitory p53 isoform, is involved in the balanced regulation of self-renewing capacity, DNA damage repair and apoptosis...
June 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28340605/diagnostic-value-of-urinary-tissue-inhibitor-of-metalloproteinase-2-and-insulin-like-growth-factor-binding-protein-7-for-acute-kidney-injury-a-meta-analysis
#13
Hui-Miao Jia, Li-Feng Huang, Yue Zheng, Wen-Xiong Li
BACKGROUND: Tissue inhibitor of metalloproteinase-2 (TIMP-2) and insulin-like growth factor binding protein 7 (IGFBP7), inducers of G1 cell cycle arrest, are two recently discovered good biomarkers for early diagnosis of acute kidney injury (AKI). To obtain a more robust performance measurement, the present meta-analysis was performed, pooling existing studies. METHODS: Literature in the MEDLINE (via PubMed), Ovid, Embase, and Cochrane Library databases was systematically searched from inception to 12 October 2016...
March 25, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28295429/urinary-timp-2-%C3%A2-%C3%A3-%C3%A2-igfbp7-for-risk-prediction-of-acute-kidney-injury-in-decompensated-heart-failure
#14
Moritz Schanz, Jing Shi, Christoph Wasser, Mark Dominik Alscher, Martin Kimmel
BACKGROUND: In acute decompensated heart failure (ADHF) the risk of acute kidney injury (AKI) is high. Early detection of patients at risk for AKI is important. We tested urinary [TIMP-2] × [IGFBP7], a new US Food and Drug Administration-cleared test to assess AKI risk, in a cohort of hospitalized ADHF patients. HYPOTHESIS: In patients with ADHF, urinary [TIMP-2] × [IGFBP7] is associated with moderate to severe AKI and related to increased mortality. METHODS: We enrolled 400 patients in the emergency department at Robert-Bosch Hospital, Stuttgart, Germany...
March 10, 2017: Clinical Cardiology
https://www.readbyqxmd.com/read/28255639/cisplatin-nephrotoxicity-is-not-detected-by-urinary-cell-cycle-arrest-biomarkers-in-lung-cancer-patients
#15
Zeki Toprak, Egemen Cebeci, Serife Aysen Helvaci, Ilkim Deniz Toprak, Yasin Kutlu, Abdullah Sakin, Tufan Tukek
PURPOSE: Cisplatin is a chemotherapeutic agent with potential nephrotoxicity. Delayed increase in serum creatinine after cisplatin administration shows that serum creatinine may not be a sufficient marker for early detection of nephrotoxicity. Urinary insulin-like growth factor binding protein-7 (IGFBP7) and tissue inhibitor of metalloproteinases-2 (TIMP-2) which are cell-cycle arrest biomarkers have been proposed recently for early detection of acute kidney injury (AKI). Herein, we evaluated urinary TIMP-2/IGFBP7 levels before and after cisplatin administration to patients with lung cancer and their role was examined in the early diagnosis of AKI...
March 2, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28174286/tumors-direct-vessels-to-feed-growth
#16
Leslie K Ferrarelli
Blood vessels go from blocking growth factor signaling with IGFBP7 to sending the growth factor IGF1 in response to tumor-released FGF4.
February 7, 2017: Science Signaling
https://www.readbyqxmd.com/read/28161934/identification-of-diverse-adenosine-to-inosine-rna-editing-subtypes-in-colorectal-cancer
#17
Si-Hyun Lee, Hwang-Phill Kim, Jun-Kyu Kang, Sang-Hyun Song, Sae-Won Han, Tae-You Kim
Purpose: RNA editing generates protein diversity by altering RNA sequences in coding regions without changing the overall DNA sequence. Adenosine-to-Inosine (A-to-I) RNA editing events have recently been reported in some types of cancer, but they are rare in human colorectal cancer. Therefore, this study was conducted to identify diverse RNA editing in colorectal cancer. Materials and Methods: We compared transcriptome data of 39 colorectal cancer (CRC) samples and paired adjacent tissues from The Cancer Genome Atlas database to identify RNA editing patterns in CRC, focusing on canonical A-to-I RNA edits in coding sequence regions...
January 25, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28110412/prevention-of-cardiac-surgery-associated-aki-by-implementing-the-kdigo-guidelines-in-high-risk-patients-identified-by-biomarkers-the-prevaki-randomized-controlled-trial
#18
Melanie Meersch, Christoph Schmidt, Andreas Hoffmeier, Hugo Van Aken, Carola Wempe, Joachim Gerss, Alexander Zarbock
PURPOSE: Care bundles are recommended in patients at high risk for acute kidney injury (AKI), although they have not been proven to improve outcomes. We sought to establish the efficacy of an implementation of the Kidney Disease Improving Global Outcomes (KDIGO) guidelines to prevent cardiac surgery-associated AKI in high risk patients defined by renal biomarkers. METHODS: In this single-center trial, we examined the effect of a "KDIGO bundle" consisting of optimization of volume status and hemodynamics, avoidance of nephrotoxic drugs, and preventing hyperglycemia in high risk patients defined as urinary [TIMP-2]·[IGFBP7] > 0...
January 21, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28107490/diagnostic-value-of-urine-tissue-inhibitor-of-metalloproteinase-2-and-insulin-like-growth-factor-binding-protein-7-for-acute-kidney-injury-a-meta-analysis
#19
Yuanyuan Su, Zhiyan Gong, Yan Wu, Yuan Tian, Xiaohui Liao
BACKGROUND: Tissue inhibitor of metalloproteinase-2 (TIMP-2) and insulin-like growth factor-binding protein-7 (IGFBP7) are both involved in renal tubular epithelial cell cycle arrest in acute kidney injury (AKI). Several recent studies showed that urine TIMP-2 times IGFBP7 ([TIMP-2]*[IGFBP7]) is a promising biomarker to predict AKI. METHODS: The aim of this meta-analysis was to assess the diagnostic value of urine [TIMP-2]*[IGFBP7] for early diagnosis of AKI. Relevant studies were retrieved from the PubMed, EMBASE, and Cochrane Library databases...
2017: PloS One
https://www.readbyqxmd.com/read/28035363/adar2-functions-as-a-tumor-suppressor-via-editing-igfbp7-in-esophageal-squamous-cell-carcinoma
#20
Yuan-Bin Chen, Xiao-Yu Liao, Jiang-Bo Zhang, Fang Wang, Hai-De Qin, Lanjun Zhang, Yin Yao Shugart, Yi-Xin Zeng, Wei-Hua Jia
Esophageal squamous cell carcinoma (ESCC), one of the most aggressive cancers, is characterized by heterogeneous genetic and epigenetic changes. Recently, A-to-I RNA editing, catalyzed by adenosine deaminases acting on RNA (ADARs), was found to be aberrantly regulated during tumorigenesis. We previously reported that ADAR2 was downregulated in ESCC but its role was unclear. Thus, we report here that overexpression of ADAR2 can induce apoptosis in ESCC cell lines and inhibit tumor growth in vitro and in vivo...
February 2017: International Journal of Oncology
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