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Kidney microrna

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https://www.readbyqxmd.com/read/29679711/establishment-of-a-drug-induced-rhabdomyolysis-mouse-model-by-co-administration-of-ciprofloxacin-and-atorvastatin
#1
Akiko Matsubara, Shingo Oda, Sho Akai, Koichi Tsuneyama, Tsuyoshi Yokoi
Rhabdomyolysis is one of the serious side effects of ciprofloxacin (CPFX), a widely used antibacterial drug; and occasionally, acute kidney injury (AKI) occurs. Often, rhabdomyolysis has occurred in patients taking CPFX co-administered with statins. The purpose of this study is to establish a mouse model of drug-induced rhabdomyolysis by co-administration of CPFX and atorvastatin (ATV) and to clarify the mechanisms of its pathogenesis. C57BL/6J mice treated with L-buthionine-(S,R)-sulfoximine (BSO), a glutathione synthesis inhibitor, were orally administered with CPFX and ATV for 4 days...
April 18, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29663998/-microrna-34a-participates-in-lipopolysaccharide-mediated-sepsis-related-renal-function-impairment-via-kruppel-like-factor-4
#2
Qidong Jiang, Changxue Wu, Qiong Zhang
OBJECTIVE: To investigate whether microRNA-34a (miR-34a) participates in lipopolysaccharide (LPS) mediated sepsis related renal function impairment via Kruppel-like factor 4 (KLF4). METHODS: Thirty healthy male Sprague-Dawley (SD) rats, weighing 180-200 g, were randomly divided into two groups: control group and model group, with 15 rats in each group. The SD rats from model group were injected with LPS 7.5 mg/kg to induce sepsis related renal function impairment model, the SD rats from control group were injected with normal saline...
April 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29651410/analysis-of-micrornas-expression-profiles-in-madin-darby-bovine-kidney-cells-infected-with-caprine-parainfluenza-virus-type-3
#3
Jizong Li, Li Mao, Wenliang Li, Fei Hao, Chunyan Zhong, Xing Zhu, Xinqin Ji, Leilei Yang, Wenwen Zhang, Maojun Liu, Jieyuan Jiang
Caprine parainfluenza virus type 3 (CPIV3) is a newly emerging pathogenic respiratory agent infecting both young and adult goats, and it was identified in eastern China in 2013. Cellular microRNAs (miRNAs) have been reported to be important modulators of the intricate virus-host interactions. In order to elucidate the role of miRNAs in madin-darby bovine kidney (MDBK) cells during CPIV3 infection. In this study, we performed high-throughput sequencing technology to analyze small RNA libraries in CPIV3-infected and mock-infected MDBK cells...
2018: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29630130/inhibitive-effects-of-microrna-34a-on-protecting-against-ischemia-reperfusion-injury-of-vital-organs-in-hemorrhagic-shock-pregnant-mice
#4
L-B Qin, Z-Y Li, H Li, X-Q Fan, H-G Liu, X-M Dong, W-Y Jia
OBJECTIVE: Hemorrhagic shock is a common vital condition in obstetrics, and major treatment consists of bleeding control and liquid resuscitation. MicroRNA (miR) has been found to regulate multiple diseases. However, its expression profile in hemorrhagic shock or effects on the ischemia-reperfusion injury in pregnant mice has not been reported yet. PATIENTS AND METHODS: This study generated rat hemorrhagic shock pregnant model, on which real-time quantitative PCR was used to measure miR-34a expressions...
March 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29623292/mirna-extraction-from-cell-free-biofluid-using-protein-corona-formed-around-carboxyl-magnetic-nanoparticles
#5
Shengqiang Xu, Seyedmehdi Hossaini Nasr, Daoyang Chen, Xiaoxian Zhang, Liangliang Sun, Xuefei Huang, Chunqi Qian
MicroRNA (miRNA) in urine has been considered as a potential biomarker for early-stage diagnosis of multiple diseases like urinary system cancer, kidney injury and diabetes, owing to their many demonstrated advantages including long-term stability and noninvasiveness. However, the traditional enrichment and extraction processes of miRNAs from urine are cumbersome and tedious due to the low concentration and multiple carriers of miRNAs. Herein, we present a novel method to collect low concentrations of miRNAs from dilute solutions such as urine and cell culture medium...
February 12, 2018: ACS Biomaterials Science & Engineering
https://www.readbyqxmd.com/read/29620271/mir%C3%A2-152-regulates-tgf%C3%A2-%C3%AE-1%C3%A2-induced-epithelial%C3%A2-mesenchymal-transition-by-targeting-hpip-in-tubular-epithelial-cells
#6
Ya-Xian Ning, Xiao-Yuan Wang, Jian-Qin Wang, Rong Zeng, Gou-Qin Wang
Renal fibrosis is a common pathological feature of chronic kidney diseases, and their development and progression are influenced by epigenetic modifications including aberrant microRNA (miRNA or miR) expression. miRNAs have been demonstrated to modulate the aggressiveness of various cancers and have emerged as possible therapeutic agents for the management of renal fibrosis. Transforming growth factor β1 (TGF‑β1)‑induced epithelial‑mesenchymal transition (EMT) of tubular epithelial cells serves a role in the initiation and progression of renal fibrosis...
April 3, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29604203/the-mirna-kallikrein-interaction-a-mosaic-of-epigenetic-regulation-in-cancer
#7
Ashley Di Meo, Cong Wang, Yufeng Cheng, Eleftherios P Diamandis, George M Yousef
The kallikrein-related peptidases (KLKs) constitute a family of 15 highly conserved serine proteases with trypsin- and chymotrypsin-like activities. Dysregulated expression and/or aberrant activation of KLKs have been linked to various pathophysiological processes, including cancer. Many KLKs have been identified as potential cancer biomarkers. microRNAs (miRNAs) are a class of small non-coding RNAs that regulate gene expression by pairing to the 3' untranslated region (UTR) of complimentary mRNA targets. miRNAs are dysregulated in many cancers, including prostate, kidney, and ovarian cancers...
March 1, 2018: Biological Chemistry
https://www.readbyqxmd.com/read/29599302/molecular-sequence-of-events-and-signaling-pathways-in-cerebral-metastases
#8
REVIEW
Jared B Cooper, Jennifer S Ronecker, Michael E Tobias, Avinash L Mohan, Virany Hillard, Raj Murali, Chirag D Gandhi, Meic H Schmidt, Meena Jhanwar-Uniyal
Brain metastases are the leading cause of morbidity and mortality among cancer patients, and are reported to occur in about 40% of cancer patients with metastatic disease in the United States of America. Primary tumor cells appear to detach from the parent tumor site, migrate, survive and pass through the blood brain barrier in order to establish cerebral metastases. This complex process involves distinct molecular and genetic mechanisms that mediate metastasis from these primary organs to the brain. Furthermore, an interaction between the invading cells and cerebral milieu is shown to promote this process as well...
April 2018: Anticancer Research
https://www.readbyqxmd.com/read/29599080/exosomes-from-endothelial-progenitor-cells-improve-the-outcome-of-a-murine-model-of-sepsis
#9
Yue Zhou, Pengfei Li, Andrew J Goodwin, James A Cook, Perry V Halushka, Eugene Chang, Hongkuan Fan
Microvascular dysfunction leads to multi-organ failure and mortality in sepsis. Our previous studies demonstrated that administration of exogenous endothelial progenitor cells (EPCs) confers protection in sepsis as evidenced by reduced vascular leakage, improved organ function, and increased survival. We hypothesize that EPCs protect the microvasculature through the exosomes-mediated transfer of microRNAs (miRNAs). Mice were rendered septic by cecal ligation and puncture (CLP), and EPC exosomes were administered intravenously at 4 hr after CLP...
February 27, 2018: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29582582/mirna-23a-27a-attenuates-muscle-atrophy-and-renal-fibrosis-through-muscle-kidney-crosstalk
#10
Aiqing Zhang, Min Li, Bin Wang, Janet D Klein, S Russ Price, Xiaonan H Wang
BACKGROUND: The treatment of muscle wasting is accompanied by benefits in other organs, possibly resulting from muscle-organ crosstalk. However, how the muscle communicates with these organs is less understood. Two microRNAs (miRs), miR-23a and miR-27a, are located together in a gene cluster and regulate proteins that are involved in the atrophy process. MiR-23a/27a has been shown to reduce muscle wasting and act as an anti-fibrotic agent. We hypothesized that intramuscular injection of miR-23a/27a would counteract both muscle wasting and renal fibrosis lesions in a streptozotocin-induced diabetic model...
March 26, 2018: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/29580583/role-of-kidney-biopsies-for-biomarker-discovery-in-diabetic-kidney-disease
#11
REVIEW
Helen C Looker, Michael Mauer, Robert G Nelson
Although estimated glomerular filtration rate and albuminuria are well-established biomarkers of diabetic kidney disease (DKD), additional biomarkers are needed, especially for the early stages of the disease when both albuminuria and estimated glomerular filtration rate may still be in the normal range and are less helpful for identifying those at risk of progression. Traditional biomarker studies for early DKD are challenging because of a lack of good early clinical end points, and most rely on changes in existing imprecise biomarkers to assess the value of new biomarkers...
March 2018: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/29568906/mir-124-mcp-1-signaling-pathway-modulates-the-protective-effect-of-itraconazole-on-acute-kidney-injury-in-a-mouse-model-of-disseminated-candidiasis
#12
Xiao-Yue Li, Yu-Qi Zhang, Gang Xu, Shao-Hong Li, Heng Li
Previous studies have indicated that monocyte chemoattractant protein-1 (MCP‑1), also referred to as C‑C motif chemokine ligand 2, has a significant role in the pathogenesis of sepsis, however, how microRNAs (miRs) contribute to this process remains to be fully elucidated. In the present study, using a mouse model of disseminated candidiasis, the renoprotective effect of itraconazole (ITR) and adenovirus‑delivered miR‑124 was investigated. The mice were treated with ITR (50 mg/kg) or transfected with miR‑124 mimics via tail‑vein injection 7 days prior to Candida albicans infection...
March 13, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29568897/mir-29b-regulates-ang-ii-induced-emt-of-rat-renal-tubular-epithelial-cells-via-targeting-pi3k-akt-signaling-pathway
#13
Hongtao Hu, Shuang Hu, Shen Xu, Yue Gao, Fang Zeng, Hua Shui
Renal interstitial fibrosis is a necessary step in the progression of chronic kidney to end stage renal disease. MicroRNA-29 (miR-29) has been shown to play essential roles in epithelial-mesenchymal transition (EMT), and thus may contribute to the regulation of renal interstitial fibrosis. However, the role of miR-29 in the regulation of EMT during chronic kidney disease and renal transplantation has been a source of intense debate, and the mechanisms underlying this process are incompletely understood. In this study, we investigated the function of miR-29b in the regulation of EMT and to gain a better understanding of the mechanism by which miR-29b modulates EMT by targeting the phosphatidylinositol 3-kinase/protein kinase B (PI3K/AKT) signaling pathway during the process of renal interstitial fibrosis...
March 22, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29549624/microrna-15a-expression-measured-in-urine-samples-as-a-potential-biomarker-of-renal-cell-carcinoma
#14
Yulian Mytsyk, Victor Dosenko, Yuriy Borys, Askold Kucher, Katarina Gazdikova, Dietrich Busselberg, Martin Caprnda, Peter Kruzliak, Ammad Ahmad Farooqi, Manyuk Lubov
INTRODUCTION: Currently, there is no accurate diagnostic molecular biomarker for renal cell carcinoma (RCC). The aim of this study was to assess the expression of microRNA-15a (miR-15a) in urine of patients with RCC and to evaluate its potential as a diagnostic molecular biomarker. MATERIALS AND METHODS: In total, 67 patients with solid renal tumors were enrolled: clear-cell RCC (ccRCC, n = 22), papillary RCC (pRCC, n = 16), chromophobe RCC (chRCC, n = 14), oncocytoma (n = 8), papillary adenoma (n = 2) and angiomyolipoma (n = 5)...
March 16, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29543730/cadmium-nephrotoxicity-is-associated-with-altered-microrna-expression-in-the-rat-renal-cortex
#15
Michael J Fay, Lauren A C Alt, Dominika Ryba, Ribhi Salamah, Ryan Peach, Alexander Papaeliou, Sabina Zawadzka, Andrew Weiss, Nil Patel, Asad Rahman, Zyaria Stubbs-Russell, Peter C Lamar, Joshua R Edwards, Walter C Prozialeck
Cadmium (Cd) is a nephrotoxic environmental pollutant that causes a generalized dysfunction of the proximal tubule characterized by polyuria and proteinuria. Even though the effects of Cd on the kidney have been well-characterized, the molecular mechanisms underlying these effects have not been fully elucidated. MicroRNAs (miRNAs) are small non-coding RNAs that regulate cellular and physiologic function by modulating gene expression at the post-transcriptional level. The goal of the present study was to determine if Cd affects renal cortex miRNA expression in a well-established animal model of Cd-induced kidney injury...
March 15, 2018: Toxics
https://www.readbyqxmd.com/read/29540511/transmission-of-microrna-antimirs-to-mouse-offspring-via-the-maternal-placental-fetal-unit
#16
Jonas Hönig, Ivana Mižíková, Claudio Nardiello, David Emanuel Surate Solaligue, Maximilian J Daume, István Vadász, Konstantin Mayer, Susanne Herold, Stefan Günther, Werner Seeger, Rory Edward Morty
The emergence of microRNA as regulators of organogenesis and tissue differentiation has stimulated interest in the ablation of microRNA expression and function during discrete periods of development. To this end, inducible, conditional modulation of microRNA expression with doxycycline-based tetracycline-controlled transactivator and tamoxifen-based estrogen receptor systems has found widespread use. However, the induction agents and components of genome recombination systems negatively impact pregnancy, parturition, and post natal development; thereby limiting the use of these technologies between late gestation and the early post-natal period...
March 14, 2018: RNA
https://www.readbyqxmd.com/read/29539618/non-proximal-renal-tubule-derived-urinary-exosomal-mir-200b-as-a-biomarker-of-renal-fibrosis
#17
Yanting Yu, Feng Bai, Nan Qin, Wenjin Liu, Qi Sun, Yang Zhou, Junwei Yang
BACKGROUND: Renal fibrosis is a common outcome of nearly all kinds of chronic kidney disease (CKD) and eventually progresses to end-stage renal disease. The identification of an optimal biomarker of renal fibrosis to replace the invasive renal biopsy will have important clinical implications. METHODS: We isolated urinary exosomes from 50 participants and examined the exosomal protein content and particle number in 38 CKD patients with different degrees of renal fibrosis and in 12 normal individuals...
March 14, 2018: Nephron
https://www.readbyqxmd.com/read/29518695/bk-polyomavirus-microrna-expression-and-sequence-variation-in-polyomavirus-associated-nephropathy
#18
Elina Virtanen, Hanna Seppälä, Ilkka Helanterä, Pia Laine, Irmeli Lautenschlager, Lars Paulin, Laura Mannonen, Petri Auvinen, Eeva Auvinen
BACKGROUND: BK polyomavirus (BKPyV) infection is a common asymptomatic viral infection in the general population. Severe complications are seen in immunocompromised individuals, such as polyomavirus-associated nephropathy (PyVAN) in renal transplant recipients. Information on BKPyV microRNA expressions is scarce, although polyomavirus-encoded microRNAs have been shown to control viral replication and assist in immune evasion. Whereas the pathogenic role of rearrangements in JC polyomavirus has been well established, little is known about BKPyV rearrangements in PyVAN...
February 12, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29518614/central-role-of-dysregulation-of-tgf-%C3%AE-smad-in-ckd-progression-and-potential-targets-of-its-treatment
#19
REVIEW
Lin Chen, Tian Yang, De-Wen Lu, Hui Zhao, Ya-Long Feng, Hua Chen, Dan-Qian Chen, Nosratola D Vaziri, Ying-Yong Zhao
Chronic kidney disease (CKD) has emerged as a major cause of morbidity and mortality worldwide. Interstitial fibrosis, glomerulosclerosis and inflammation play the central role in the pathogenesis and progression of CKD to end stage renal disease (ESRD). Transforming growth factor-β1 (TGF-β1) is the central mediator of renal fibrosis and numerous studies have focused on inhibition of TGF-β1 and its downstream targets for treatment of kidney disease. However, blockade of TGF-β1 has not been effective in the treatment of CKD patients...
March 5, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29511046/microrna-duplication-accelerates-the-recruitment-of-new-targets-during-vertebrate-evolution
#20
Junjie Luo, Yirong Wang, Jian Yuan, Zhilei Zhao, Jian Lu
The repertoire of miRNAs has considerably expanded during metazoan evolution, and duplication is an important mechanism for generating new functional miRNAs. However, relatively little is known about the functional divergence between paralogous miRNAs and the possible co-evolution between duplicated miRNAs and the genomic contexts. By systematically examining small RNA expression profiles across various human tissues and interrogating the publicly available miRNA:mRNA pairing chimeras, we found that changes in expression patterns and targeting preferences are widespread for duplicated miRNAs in vertebrates...
March 6, 2018: RNA
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