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https://www.readbyqxmd.com/read/29663998/-microrna-34a-participates-in-lipopolysaccharide-mediated-sepsis-related-renal-function-impairment-via-kruppel-like-factor-4
#1
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/29663730/mir-21-improves-invasion-and-migration-of-drug-resistant-lung-adenocarcinoma-cancer-cell-and-transformation-of-emt-through-targeting-hbp1
#2
Chongyu Su, Xu Cheng, Yunsong Li, Yi Han, Xiaoyun Song, Daping Yu, Xiaoqing Cao, Zhidong Liu
This study was aimed at the investigation of the effects of miR-21 on drug resistance, invasion, migration, and epithelial-mesenchymal transition (EMT) of lung adenocarcinoma cells and the related molecular mechanisms. Cell viability of A549 cell line was measured by MTT assay. Wound healing assay and transwell assay were, respectively, employed to examine cell migration and invasion abilities. The cells were transfected with miR-21 mimic or inhibitor using Lipofectamine 3000. The target relationship between miR-21 and HBP1 was confirmed by luciferase reporter gene assay...
April 16, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29663529/a-group-of-tissue-specific-micrornas-contribute-to-the-silencing-of-cux1-in-different-cell-lineages-during-development
#3
Hui Xu, Jie-Hua He, Shi-Jun Xu, Shu-Juan Xie, Li-Ming Ma, Yin Zhang, Hui Zhou, Liang-Hu Qu
Cut-like homeobox 1 (CUX1) is a highly conserved homeoprotein that functions as a transcriptional repressor of genes specifying terminal differentiation. We previously showed that liver-specific microRNA-122 (miR-122) regulates the timing of liver development by silencing CUX1 post-transcriptionally. Since the CUX1 protein is expressed in a subset of embryonic tissues, we hypothesized that it is regulated by specific microRNAs (miRNAs) in each cell type during development. Using a large-scale screening method, we identified ten tissue-specific miRNAs from different cell lineages that directly targeted CUX1...
April 16, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29662456/dynamic-regulation-of-circulating-micrornas-during-acute-exercise-and-long-term-exercise-training-in-basketball-athletes
#4
Yongqin Li, Mengchao Yao, Qiulian Zhou, Yan Cheng, Lin Che, Jiahong Xu, Junjie Xiao, Zhongming Shen, Yihua Bei
Emerging evidence indicates the beneficial effects of physical exercise on human health, which depends on the intensity, training time, exercise type, environmental factors, and the personal health status. Conventional biomarkers provide limited insight into the exercise-induced adaptive processes. Circulating microRNAs (miRNAs, miRs) are dynamically regulated in response to acute exhaustive exercise and sustained rowing, running and cycling exercises. However, circulating miRNAs in response to long-term basketball exercise remains unknown...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29661714/microrna-155-up-regulation-in-the-cns-is-strongly-correlated-to-down-s-syndrome-dementia
#5
Esmerina Tili, Louisa Mezache, Jean-Jacques Michaille, Vicky Amann, James Williams, Paige Vandiver, Maria Quinonez, Paolo Fadda, Adel Mikhail, Gerard Nuovo
This study examined the molecular correlates of Down's dementia. qRTPCR for chromosome 21 microRNAs was correlated with in situ hybridization, immunohistochemistry for microRNA targets, mRNAs located on chromosome 21, and neurofibrillary tangles in human and the Ts65 dn mouse Down's model. qRTPCR for the microRNAs on the triplicated chromosome showed miR-155 dominance in brain tissues (14.3 fold increase, human and 24.2 fold increase, mouse model) that co-expressed with hyperphosphorylated tau protein. miR-155 was not elevated in Alzheimer's disease or neonates with Downs' syndrome...
March 26, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29660467/investigation-of-constituents-from-cinnamomum-camphora-l-j-presl-and-evaluation-of-their-anti-inflammatory-properties-in-lipopolysaccharide-stimulated-raw-264-7-macrophages
#6
Yan-Ru Li, Chun-Sheng Fu, Wen-Jing Yang, Xiao-Ling Wang, Dan Feng, Xiao-Ning Wang, Dong-Mei Ren, Hong-Xiang Lou, Tao Shen
ETHNOPHARMACOLOGY RELEVANCE: Cinnamomum camphora (L.) J. Presl has been used for the traditional medicine as a therapeutic agent of inflammation-related diseases, including sprains, rheumatic arthritis, abdominal pain, cough and bronchitis, for a long history. The aim of the present study was to illustrate anti-inflammatory substances of C. camphora and their mechanism of action, and to establish the correlations between chemical constituents and traditional uses of this plant. MATERIALS AND METHODS: Chemical constituents were purified by chromatographic methods, and their structures were established based on spectroscopic analysis...
April 13, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29659130/microrna-21-drives-the-switch-to-a-synthetic-phenotype-in-human-saphenous-vein-smooth-muscle-cells
#7
Aliah R Alshanwani, Kirsten Riches-Suman, David J O'Regan, Ian C Wood, Neil A Turner, Karen E Porter
Cardiovascular disease is a leading cause of morbidity and mortality. Smooth muscle cells (SMC) comprising the vascular wall can switch phenotypes from contractile to synthetic, which can promote the development of aberrant remodelling and intimal hyperplasia (IH). MicroRNA-21 (miR-21) is a short, non-coding RNA that has been implicated in cardiovascular diseases including proliferative vascular disease and ischaemic heart disease. However, its involvement in the complex development of atherosclerosis has yet to be ascertained...
April 16, 2018: IUBMB Life
https://www.readbyqxmd.com/read/29658868/serum-levels-of-mir-155-mir-326-and-mir-133b-as-early-diagnostic-biomarkers-for-the-detection-of-human-acute-heart-allograft-rejection-in-comparison-with-serum-cardiac-troponin-t
#8
Aghil Esmaeili-Bandboni, Jamshid Bagheri, Ali Reza Bakhshandeh, Javad Mohammadnejad, Esmaeil Sadroddiny
BACKGROUND: Acute heart allograft rejection occurs as a result of antibody-mediated rejection that presents during the first month after transplantation. Finding a non-invasive biomarker is essential for diagnosis of heart allograft rejection. In this research, we intended to compare expression levels of several microRNAs across cardiac troponin T levels between rejected patients (who died before one month following transplantation), non-rejected patients (who survived for at least one month after transplantation), and non-transplanted patients (CABG surgery patients)...
March 12, 2018: Heart Surgery Forum
https://www.readbyqxmd.com/read/29658610/overexpression-of-il-9-induced-by-stat3-phosphorylation-is-mediated-by-mir-155-and-mir-21-in-chronic-lymphocytic-leukemia
#9
Na Chen, Lili Feng, Huiting Qu, Kang Lu, Peipei Li, Xiao Lv, Xin Wang
Interleukin‑9 (IL‑9) can function as both a positive and negative regulator of immune response, however the role of IL‑9 in tumor immunity is poorly understood. Chronic lymphocytic leukemia (CLL) is the most common chronic lympho‑proliferative disorder. Twenty CLL patients from 2010 to 2011 were recruited in the study. Expression and phosphorylation of transcription factor STAT3 and differential microRNAs (miRs) in peripheral blood mononuclear cells (PBMCs) from CLL patient samples were analyzed...
April 12, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29658404/inhibition-of-mir-21-5p-suppresses-high-glucose-induced-proliferation-and-angiogenesis-of-human-retinal-microvascular-endothelial-cells-by-the-regulation-of-akt-and-erk-pathways-via-maspin
#10
Feng Qiu, Huijuan Tong, Yawen Wang, Jun Tao, Hailin Wang, Lei Chen
The aim of the present study is to investigate the role of miR-21-5p in angiogenesis of human retinal microvascular endothelial cells (HRMECs). HRMECs were incubated with 5 mM glucose, 30 mM glucose or 30 mM mannitol for 24 h, 48 h or 72 h. Then, HRMECs exposed to 30 mM glucose were transfected with miR-21-5p inhibitor. We found that high glucose increased the expression of miR-21-5p, VEGF, VEGFR2 and cell proliferation activity. Inhibition of miR-21-5p reduced high glucose-induced proliferation, migration, tube formation of HRMECs, and reversed the decreased expression of maspin as well as the abnormal activation of PI3K/AKT and ERK pathways...
April 15, 2018: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29656516/mir-21-ameliorates-aged-associated-skin-wound-healing-defects-in-mice
#11
Shuang Long, Na Zhao, Lan Ge, Guojian Wang, Xinze Ran, Junping Wang, Yongping Su, Tao Wang
BACKGROUND: The cellular and molecular mechanisms for aged-associated delay of cutaneous wound healing are still not well understood. Our previous results show that miR-21 plays key roles during skin wound healing. We presumed that dysregulation of miR-21 may involve in aged-associated defects in wound healing and miR-21 may be one potential therapeutic target to ameliorate wound defects in elderly subjects. METHODS: Circular full thickness excisional wounds were made on the dorsal skin of young (2-month-old) and aged (12-month-old) female mice...
April 15, 2018: Journal of Gene Medicine
https://www.readbyqxmd.com/read/29644860/up-regulation-of-t-cell-activation-micrornas-in-drug-specific-cd4-t-cells-from-hypersensitive-patients
#12
Alejandra Monroy-Arreola, Noe Duran-Figueroa, Silvia Mendez-Flores, Judith Dominguez-Cherit, Joel Watkinson, Agustin Badillo-Corona, Paul Whitaker, Dean Naisbitt, Luis Castrejon Flores
Dysregulation in the expression of microRNAs (miRNAs), single stranded RNAs which regulate gene expression, has been associated with diseases such as Stevens-Johnson syndrome (SJS) / toxic epidermal necrolysis (TEN), although their cellular origin has not been explored. Thus, the focus of this work was to study expression patterns of reported miRNAs involved in T - cell activation following drug-specific stimulation in peripheral blood mononuclear cells (PBMCs) and drug specific CD4+ T-cell clones (TCC) from patients with different cutaneous manifestations of delayed-type drug hypersensitivity reactions...
April 12, 2018: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/29643128/effects-of-impella-on-coronary-perfusion-in-patients-with-critical-coronary-artery-stenosis
#13
Mohammad Alqarqaz, Mir Basir, Khaldoon Alaswad, William O'Neill
BACKGROUND: Mechanical circulatory support devices are used to maintain hemodynamic stability during high-risk percutaneous coronary interventions. Little is known on the effects of such devices on coronary hemodynamics in patients with significant coronary stenosis. We sought to investigate whether mechanical circulatory support in the form of Impella (Abiomed Inc, Danvers, MA) can improve coronary hemodynamics in the presence of a critical coronary stenosis. METHODS AND RESULTS: We examined coronary perfusion pressures and coronary pressure distal to a critical stenosis using a coronary pressure wire in 11 patients (12 coronary lesions) undergoing high-risk percutaneous coronary interventions with the use of mechanical circulatory support...
April 2018: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29642568/irradiation-induced-cardiac-connexin-43-and-mir-21-responses-are-hampered-by-treatment-with-atorvastatin-and-aspirin
#14
Csilla Viczenczova, Branislav Kura, Tamara Egan Benova, Chang Yin, Rakesh C Kukreja, Jan Slezak, Narcis Tribulova, Barbara Szeiffova Bacova
Radiation of the chest during cancer therapy is deleterious to the heart, mostly due to oxidative stress and inflammation related injury. A single sub-lethal dose of irradiation has been shown to result in compensatory up-regulation of the myocardial connexin-43 (Cx43), activation of the protein kinase C (PKC) signaling along with the decline of microRNA (miR)-1 and an increase of miR-21 levels in the left ventricle (LV). We investigated whether drugs with antioxidant, anti-inflammatory or vasodilating properties, such as aspirin, atorvastatin, and sildenafil, may affect myocardial response in the LV and right ventricle (RV) following chest irradiation...
April 10, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29642385/micrornas-as-potential-mediators-for-cigarette-smoking-induced-atherosclerosis
#15
Yuka Yokoyama, Nathan Mise, Yuka Suzuki, Saeko Tada-Oikawa, Kiyora Izuoka, Lingyi Zhang, Cai Zong, Akira Takai, Yoshiji Yamada, Sahoko Ichihara
Smoking increases the risk of atherosclerosis-related events, such as myocardial infarction and ischemic stroke. Recent studies have examined the expression levels of altered microRNAs (miRNAs) in various diseases. The profiles of tissue miRNAs can be potentially used in diagnosis or prognosis. However, there are limited studies on miRNAs following exposure to cigarette smoke (CS). The present study was designed to dissect the effects and cellular/molecular mechanisms of CS-induced atherosclerogenesis. Apolipoprotein E knockout (ApoE KO) mice were exposed to CS for five days a week for two months at low (two puffs/min for 40 min/day) or high dose (two puffs/min for 120 min/day)...
April 6, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29627835/diagnosis-of-hyperacute-and-acute-ischaemic-stroke-the-potential-utility-of-exosomal-microrna-21-5p-and-microrna-30a-5p
#16
Wei Wang, Dong-Bin Li, Ru-Ying Li, Xia Zhou, Dong-Ju Yu, Xiao-Yan Lan, Jin-Pin Li, Jing-Li Liu
BACKGROUND: Early and accurate diagnosis of ischaemic stroke (IS) requires the use of an optimized biomarker. Exosomal microRNAs have the potential to serve as biomarkers owing to their stability and specificity. We investigated the expression levels of plasma-derived exosomal microRNA-21-5p and microRNA-30a-5p in the different phases of IS. METHODS: One hundred forty-three patients with IS and 24 non-stroke controls were enrolled. The patients were divided into the following 5 groups: 1 group for the hyperacute phase IS (HIS, within 6 h); two for the acute phase IS (AIS, including days 1-3 and days 4-7); one for the subacute phase IS (SIS, days 8-14); and one for the recovery phase IS (RIS, days >14)...
April 6, 2018: Cerebrovascular Diseases
https://www.readbyqxmd.com/read/29627726/generation-of-wae001-a-15-a-human-embryonic-stem-cell-line-with-mir-122-doxycycline-inducible-expression
#17
Yanli Liu, Feima Wu, Dong Liu, Ruzhi Wei, Nasir Abbas, Jianhong Xia, Dongwei Li, Haiyun Wang, Yuanqi Zhuang, Dongsheng Guo, Yan Chen, Yuhang Wu, Xinrong Ke, Jiawang Tao, Fan Yang, Keyu Lai, Xiaodong Shu, Yin-Xiong Li
MiR-122 is the most abundant miRNA in the human liver accounting for 52% of the entire hepatic miRNome. Previous studies have demonstrated that miR-122 is a valuable therapeutic target for liver diseases, including viral hepatitis, fibrosis, steatosis, and hepatocarcinoma. Here, we constructed a miR-122 doxycycline-inducible expression human embryonic stem cell line WAe001-A-15 using the piggyBac transposon system. The cell line retained its pluripotency, in vitro differentiation potential, normal morphology, and karyotype...
March 23, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29627222/lower-expression-of-bone-marrow-mir-122-is-an-independent-risk-factor-for-overall-survival-in-cytogenetically-normal-acute-myeloid-leukemia
#18
Ting-Juan Zhang, Zhen Qian, Xiang-Mei Wen, Jing-Dong Zhou, Xi-Xi Li, Zi-Jun Xu, Ji-Chun Ma, Zhi-Hui Zhang, Jiang Lin, Jun Qian
BACKGROUND: The liver-enriched microRNA-122 (miR-122) plays a crucial role in pathogenesis of hepatocellular carcinoma (HCC) with prognostic value. Recently, miR-122 was also found to be related to many other cancers besides HCC. However, less study determined miR-122 expression and its clinical significance in acute myeloid leukemia (AML). METHODS: Real-time quantitative PCR was performed to detect the level of bone marrow (BM) miR-122 in de novo AML patients. The clinical significance of miR-122 expression in AML was further investigated...
April 3, 2018: Pathology, Research and Practice
https://www.readbyqxmd.com/read/29625869/the-effect-of-provision-of-information-on-serum-cortisol-in-patients-transferred-from-the-coronary-care-unit-to-the-general-ward-a-randomised-controlled-trial
#19
Maryam Jamsahar, Elham Navab, Mir Saeed Yekaninejad, Mojdeh Navidhamidi
BACKGROUND AND AIM: Patients' transfer from coronary care units to general wards is a main source of anxiety for patients. Transfer anxiety is due to either lack of patients' knowledge or inadequacy of transfer-related information to patients. This study aimed to evaluate the effect of provision of information on the serum cortisol level, as an indicator of anxiety, in patients transferred from the coronary care unit to the general ward. METHODS: This pretest-posttest randomised clinical trial was conducted on fifty patients transferred from coronary care units to general wards...
April 3, 2018: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
https://www.readbyqxmd.com/read/29625267/identification-of-small-molecule-ligands-that-bind-to-mir-21-as-potential-therapeutics-for-endometriosis-by-screening-zinc-database-and-in-vitro-assays
#20
Songping Liu, Yuxing Yang, Wei Li, Xin Tian, Hongyan Cui, Qiong Zhang
MicroRNA-21 (miR-21) is an important regulator of cell signaling pathways involved in the pathogenesis of endometriosis. Here, we attempted to discover new ligands of miR-21 pre-element by carrying out stepwise high-throughput virtual screening against a chemical library consisting of over 4 million lead-like compounds. In the procedure, a synthetic strategy that integrated empirical exclusion, molecular docking, druglikeness evaluation, consensus scoring and manual culling was employed to computationally identify seven promising hits from the large compound library, of which four were determined to have moderate or high affinity for miR-21 pre-element (KD range between 3...
April 3, 2018: Gene
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