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IGFBP7

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https://www.readbyqxmd.com/read/29784791/steroid-signaling-mediates-nutritional-regulation-of-juvenile-body-growth-via-igf-binding-protein-in-drosophila
#1
Gang Jun Lee, Gangsik Han, Hyun Myoung Yun, Jin Ju Lim, Sujin Noh, Jaegeun Lee, Seogang Hyun
Nutritional condition during the juvenile growth period considerably affects final adult size. The insulin/insulin-like growth factor signaling (IIS)/target of rapamycin (TOR) nutrient-sensing pathway is known to regulate growth and metabolism in response to nutritional conditions. However, there is limited information on how endocrine pathways communicate nutritional information to different metabolic organs to regulate organismal growth. Here, we show that Imaginal morphogenesis protein-Late 2 (Imp-L2), a Drosophila homolog of insulin-like growth factor-binding protein 7 (IGFBP7), plays a key role in the nutritional control of organismal growth...
May 21, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29777769/a-combined-approach-for-the-early-recognition-of-acute-kidney-injury-after-adult-cardiac-surgery
#2
Cédrick Zaouter, Julien Potvin, Marie-Lise Bats, Marie-Christine Beauvieux, Alain Remy, Alexandre Ouattara
BACKGROUND: Cardiac surgery-associated acute kidney injury (CSA-AKI) is a frequent complication. The current criteria to detect CSA-AKI rise only when organic dysfunction has occurred. The Doppler Renal Resistive Index (RRI) and the urinary G1 cell cycle arrest proteins (TIMP-2 and IGFBP7) have been advocated to predict CSA-AKI at an early stage after cardiac surgery. The primary objective was to determine the predictive value of these new markers to detect CSA-AKI after elective heart surgery in patients at risk to develop AKI...
May 16, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29751827/timp-2-igfbp7-predicts-acute-kidney-injury-in-out-of-hospital-cardiac-arrest-survivors
#3
Christoph Adler, Tobias Heller, Felix Schregel, Henning Hagmann, Martin Hellmich, Joana Adler, Hannes Reuter
BACKGROUND: Acute kidney injury (AKI) is a common complication after cardiopulmonary resuscitation (CPR) and predicts in-hospital mortality. To which extent post-resuscitation disease or the initial event of cardiac arrest and the duration of insufficient cardiac output triggers AKI is challenging to discriminate. Knowledge on molecular mediators of AKI is scarce. Early identification of patients at high risk of AKI is hampered by the low sensitivity of the established tests in clinical routine practice...
May 12, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29592874/decreased-a-to-i-rna-editing-as-a-source-of-keratinocytes-dsrna-in-psoriasis
#4
Lea Shallev, Eli Kopel, Ariel Feiglin, Gil S Leichner, Dror Avni, Yehezkel Sidi, Eli Eisenberg, Aviv Barzilai, Erez Y Levanon, Shoshana Greenberger
Recognition of dsRNA molecules activates the MDA5-MAVS pathway, and plays a critical role in stimulating type-I interferon responses in psoriasis. However, the source of the dsRNA accumulation in psoriatic keratinocytes remains largely unknown. A-to-I RNA editing is a common co- or post-transcriptional modification that diversifies adenosine in dsRNA, and leads to unwinding of dsRNA structures. Thus, impaired RNA editing activity can result in an increased load of endogenous dsRNAs. Here we provide a transcriptome wide analysis of RNA editing across dozens of psoriasis patients, and demonstrate a global editing reduction in psoriatic lesions...
March 28, 2018: RNA
https://www.readbyqxmd.com/read/29580038/epigenetic-downregulation-and-growth-inhibition-of-igfbp7-in-gastric-cancer
#5
Jin Kim, Woo Ho Kim, Sun-Ju Byeon, Byung Lan Lee, Min A Kim
Background: Insulin-like growth factor-binding protein 7 (IGFBP7) has been found to be a tumor suppressor in several human cancers, but the role of IGFBP7 in gastric cancer has not yet been fully investigated. Herein, we examined the epigenetic downregulation of IGFBP7 expression in gastric cancer. Methods: Expression and methylation of IGFBP7 in gastric cancer cells and primary gastric cancer patients were determined using qRT-PCR, western blot, immunohistochemistry, and methylation specific-PCR, respectively...
March 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29574509/linkage-disequilibrium-and-functional-analysis-of-pre1-insertion-together-with-snps-in-the-promoter-region-of-igfbp7-gene-in-different-pig-breeds
#6
Qingyan Wu, Hao Yu, Wenzhen Wei, Yunyun Cheng, Shan Huang, Hongyu Shi, Songcai Liu, Jichao Xia, Hongyao Jia, Linlin Hao
Polymorphisms in regions upstream of transcription initiation site may modify the transcriptional activity of target genes by changing promoter activity. This study aims to determine whether or not polymorphisms at porcine IGFBP7 promoter region affect gene expression. In this study, eight SNPs and one PRE1 insertion in this region were first confirmed. The PRE1 insertion was widespread in 20 Chinese indigenous breeds, but was not observed in three commercial breeds. A perfect linkage disequilibrium, consisting of six of those SNPs and a PRE1, was observed with two haplotypes (h1 and h2) in five pig breeds...
March 25, 2018: Journal of Applied Genetics
https://www.readbyqxmd.com/read/29563502/placenta-and-appetite-genes-gdf15-and-igfbp7-are-associated-with-hyperemesis-gravidarum
#7
Marlena S Fejzo, Olga V Sazonova, J Fah Sathirapongsasuti, Ingileif B Hallgrímsdóttir, Vladimir Vacic, Kimber W MacGibbon, Frederic P Schoenberg, Nicholas Mancuso, Dennis J Slamon, Patrick M Mullin
Hyperemesis gravidarum (HG), severe nausea and vomiting of pregnancy, occurs in 0.3-2% of pregnancies and is associated with maternal and fetal morbidity. The cause of HG remains unknown, but familial aggregation and results of twin studies suggest that understanding the genetic contribution is essential for comprehending the disease etiology. Here, we conduct a genome-wide association study (GWAS) for binary (HG) and ordinal (severity of nausea and vomiting) phenotypes of pregnancy complications. Two loci, chr19p13...
March 21, 2018: Nature Communications
https://www.readbyqxmd.com/read/29545581/secretome-analysis-of-in-vitro-aged-human-mesenchymal-stem-cells-reveals-igfbp7-as-a-putative-factor-for-promoting-osteogenesis
#8
Arantza Infante, Clara I Rodríguez
Aging is a complex biological process, which involves multiple mechanisms with different levels of regulation. Senescent cells are known to secrete senescence-associated proteins, which exert negative influences on surrounding cells. Mesenchymal stem cells (MSCs), the common progenitors for bone, cartilage and adipose tissue (which are especially affected tissues in aging), are known to secrete a broad spectrum of biologically active proteins with both paracrine and autocrine functions in many biological processes...
March 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29538345/transcriptomic-profiles-of-brain-provide-insights-into-molecular-mechanism-of-feed-conversion-efficiency-in-crucian-carp-carassius-auratus
#9
Meixia Pang, Weiwei Luo, Beide Fu, Xiaomu Yu, Ying Zhou, Jingou Tong
Feed efficiency is an economically crucial trait for cultured animals, however, progress has been scarcely made in the genetic analyses of feed conversion efficiency (FCE) in fish because of the difficulties in measurement of trait phenotypes. In the present investigation, we present the first application of RNA sequencing (RNA-Seq) combined with differentially expressed genes (DEGs) analysis for identification of functional determinants related to FCE at the gene level in an aquaculture fish, crucian carp ( Carassius auratus )...
March 14, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29505681/cell-cycle-arrest-and-cell-death-correlate-with-the-extent-of-ischaemia-and-reperfusion-injury-in-patients-following-kidney-transplantation-results-of-an-observational-pilot-study
#10
Felix C F Schmitt, Eduardo Salgado, Janina Friebe, Thomas Schmoch, Florian Uhle, Thomas Fleming, Johanna Zemva, Lars Kihm, Christian Nusshag, Christian Morath, Martin Zeier, Thomas Bruckner, Arianeb Mehrabi, Peter P Nawroth, Markus A Weigand, Stefan Hofer, Thorsten Brenner
A prolonged cold ischaemia time (CIT) is suspected to be associated with an increased ischaemia and reperfusion injury (IRI) resulting in an increased damage to the graft. In total, 91 patients were evaluated for a delayed graft function within 7 days after kidney transplantation (48 deceased, 43 living donors). Blood and urine samples were collected before, immediately after the operation, and 1, 3, 5, 7 and 10 days later. Plasma and/or urine levels of total keratin 18 (total K18), caspase-cleaved keratin 18 (cc K18), the soluble receptor for advanced glycation end products (sRAGE), tissue inhibitor of metalloproteinase-2 (TIMP-2) and insulin-like growth factor-binding protein-7 (IGFBP7) were measured...
March 5, 2018: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/29484121/novel-mutational-landscapes-and-expression-signatures-of-lung-squamous-cell-carcinoma
#11
Donghai Xiong, Jing Pan, Yuxin Yin, Hui Jiang, Eva Szabo, Ronald A Lubet, Yian Wang, Ming You
Lung squamous cell carcinoma (LUSC) is a major subtype of Non-Small Cell Lung Cancer. To increase our understanding of the LUSC pathobiology, we performed exome sequencing and RNA-seq in 16 murine carcinogen-induced LUSC tumors and 8 normal murine lung tissue samples. Additionally, we conducted single-cell RNA-seq on two independent tumors from the same murine model. We identified a list of 59 cancer genes recurrently mutated in the mice LUSC tumors, 47 (80%) of which were also mutated in human LUSCs. At the single cell level, we detected unique clonal mutation patterns for each of the two LUSC tumors, being initiated from clones carrying the mutant Igfbp7 and Trp53 genes, respectively...
January 26, 2018: Oncotarget
https://www.readbyqxmd.com/read/29478052/predicting-acute-kidney-injury-in-intensive-care-unit-patients-the-role-of-tissue-inhibitor-of-metalloproteinases-2-and-insulin-like-growth-factor-binding-protein-7-biomarkers
#12
Laura Di Leo, Federico Nalesso, Francesco Garzotto, Yun Xie, Bo Yang, Grazia Maria Virzì, Alberto Passannante, Raffaele Bonato, Mariarosa Carta, Davide Giavarina, Dario Gregori, Alessandra Brendolan, Fiorenza Ferrari, Claudio Ronco
BACKGROUND: Acute kidney injury (AKI) diagnosis is based on a rise in serum creatinine and/or fall in urine output. It has been shown that there are patients that fulfill AKI definition but do not have AKI, and there are also patients with evidence of renal injury who do not meet any criteria for AKI. Recently the innovative and emerging proteomic technology has enabled the identification of novel biomarkers that allow improved risk stratification. METHODS: Tissue inhibitor of metalloproteinases-2 (TIMP-2), insulin-like growth factor-binding protein 7 (IGFBP7) were measured to a cohort of 719 consecutive patients admitted to Intensive Care Unit (ICU)...
2018: Blood Purification
https://www.readbyqxmd.com/read/29465762/antitumor-activity-of-pan-her-inhibitors-in-her2-positive-gastric-cancer
#13
Takahiro Yoshioka, Kazuhiko Shien, Kei Namba, Hidejiro Torigoe, Hiroki Sato, Shuta Tomida, Hiromasa Yamamoto, Hiroaki Asano, Junichi Soh, Kazunori Tsukuda, Takeshi Nagasaka, Toshiyoshi Fujiwara, Shinichi Toyooka
Molecularly targeted therapy has enabled outstanding advances in cancer treatment. Whereas various anti-human epidermal growth factor receptor 2 (HER2) drugs have been developed, trastuzumab is still the only anti-HER2 drug presently available for gastric cancer. In this study, we propose novel treatment options for patients with HER2-positive gastric cancer. First, we determined the molecular profiles of 12 gastric cancer cell lines, and examined the antitumor effect of the pan-HER inhibitors afatinib and neratinib in those cell lines...
April 2018: Cancer Science
https://www.readbyqxmd.com/read/29463155/circulating-cell-free-dna-of-methylated-insulin-like-growth-factor-binding-protein-7-predicts-a-poor-prognosis-in-hepatitis-b-virus-associated-hepatocellular-carcinoma-after-hepatectomy
#14
Feng Li, Chen-Yang Qiao, Shuai Gao, Yu-Chen Fan, Long-Yan Chen, Kai Wang
The initiation and progression of hepatocellular carcinoma (HCC) is a multistage process involving a variety of changes at the gene level. Methylation of insulin-like growth factor-binding protein 7 (IGFBP7) plays a crucial role in HCC development. The main purpose of this study was to investigate the relationship between oxidative stress, DNA methyltransferases (DNMTs) expression, and IGFBP7 methylation, and to evaluate the prognostic value of serum IGFBP7 methylation status in patients with HCC after hepatectomy...
March 15, 2018: Free Radical Research
https://www.readbyqxmd.com/read/29246007/diagnostic-prediction-of-urinary-timp-2-x-igfbp7-for-acute-kidney-injury-a-meta-analysis-exploring-detection-time-and-cutoff-levels
#15
Zhenzhu Song, Zhongchao Ma, Kai Qu, Sinan Liu, Wenquan Niu, Ting Lin
Acute kidney injury (AKI) most commonly occurs in critically ill and postoperative patients. Tissue inhibitor of metalloproteinases-2 (TIMP-2) and insulin-like growth factor-binding protein 7 (IGFBP7) are two newly-identified urinary biomarkers that can help to detect early AKI, yet their predictive accuracies range widely. Here, we conduct a systematic meta-analysis to evaluate the diagnostic values of [TIMP-2] x [IGFBP7] for AKI at different detection times and cutoff levels. Ten studies were meta-analyzed on 1606 patients...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29242275/igfbp7-regulates-the-osteogenic-differentiation-of-bone-marrow-derived-mesenchymal-stem-cells-via-wnt-%C3%AE-catenin-signaling-pathway
#16
Wei Zhang, Erman Chen, Mo Chen, Chenyi Ye, Yiying Qi, Qianhai Ding, Hang Li, Deting Xue, Xiang Gao, Zhijun Pan
Insulin-like growth factor-binding protein 7 (IGFBP7), a low-affinity IGF binder, may play an important role in bone metabolism. However, its function in osteogenic differentiation of human bone marrow-derived mesenchymal stem cells (BMSCs) remains unclear. Therefore, we investigated its effects on osteogenic differentiation. Overexpression of IGFBP7 enhanced the expression of osteo-specific genes and proteins, and IGFBP7 knockdown decreased osteogenesis-specific markers. More mineral deposits and higher alkaline phosphatase activity were observed after the up-regulation of IGFBP7...
January 5, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29149959/urinary-tissue-inhibitor-of-metalloproteinase-and-insulin-like-growth-factor-7-as-early-biomarkers-of-delayed-graft-function-after-kidney-transplantation
#17
J Yang, S Y Lim, M-G Kim, C-W Jung, W-Y Cho, S-K Jo
BACKGROUND: Recently, urinary tissue inhibitor of metalloproteinase-2 (TIMP-2) and insulin-like growth factor-7 (IGFBP-7), markers for G1 cell cycle arrest, have been identified and validated in predicting the development of acute kidney injury in critically ill patients. It is unknown, however, whether these two biomarkers could predict the development of delayed graft function (DGF) after kidney transplantation (KT). METHODS: This is a single-center, prospective, observational study...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29148021/routine-adoption-of-timp2-and-igfbp7-biomarkers-in-cardiac-surgery-for-early-identification-of-acute-kidney-injury
#18
Chiara Levante, Fiorenza Ferrari, Chiara Manenti, Faeq Husain-Syed, Marta Scarpa, Tommaso Hinna Danesi, Massimo De Cal, Valentina Corradi, Grazia M Virzì, Alessandra Brendolan, Federico Nalesso, Pércia Bezerra, Salvador Lopez-Giacoman, Sara Samoni, Mara Senzolo, Davide Giavarina, Loris Salvador, Raffaele Bonato, Silvia De Rosa, Enrico Rettore, Claudio Ronco
BACKGROUND AND PURPOSE: Acute Kidney Injury (AKI) is a severe complication affecting many hospitalized patients after cardiac surgery, with negative impacts on short- and long-term clinical outcomes and on healthcare costs. Recently, clinical interest has been aimed at defining and classifying AKI, identifying risk factors and developing diagnostic strategies to identify patients at risk early on. Achieving an early and accurate diagnosis of AKI is a crucial issue, because prevention and timely detection may help to prevent negative clinical outcomes and avoid AKI-associated costs...
November 24, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/29146295/new-markers-for-early-detection-of-acute-kidney-injury-after-transcatheter-aortic-valve-implantation
#19
Cédrick Zaouter, Frédérique Priem, Lionel Leroux, Guillaume Bonnet, Marie-Lise Bats, Marie-Christine Beauvieux, Alain Rémy, Alexandre Ouattara
BACKGROUND: Acute kidney injury (AKI) is a frequent complication after a transcatheter aortic valve implantation (TAVI). Biomarkers such as urinary G1 cell cycle arrest proteins (TIMP-2 and IGFBP7) and sonographic evaluation (Doppler Renal Resistive Index [RRI]) have been advocated to predict AKI at an early stage after a TAVI-procedure. The primary aim was to determine the predictive value of these markers to detect AKI after a TAVI-procedure at an early phase. PATIENTS AND METHODS: In a prospective observational study, 62 consecutive patients were scheduled for a TAVI...
November 13, 2017: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29145491/the-urine-biomarker-panel-igfbp7-x-timp-2-nephrocheck%C3%A2-parameter-does-not-correlate-with-igfbp7-and-timp-2-gene-expression-in-urinary-sediment
#20
Daniela Knafl, Markus Müller, Sahra Pajenda, Zeynep Genc, Manfred Hecking, Ludwig Wagner
BACKGROUND: Acute kidney injury (AKI) is frequently observed in serious infections, following nephrotoxic medication, surgery and trauma. Here we tested whether the detection of two recently identified biomarkers for AKI, Tissue Inhibitor of Metalloproteinase-2 (TIMP-2) and Insulin-Like Growth Factor Binding Protein 7 (IGFBP7), depends on the expression of these proteins in cells of the urinary sediment. METHOD: We collected urine samples of 33 kidney transplant recipients and 14 non-transplanted patients who all had AKI (stages 1-3 according to KDIGO), and measured [IGFBP7]x[TIMP-2] using the NephroCheck® Astute1 40 ™ meter...
2017: PloS One
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