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Jun Lv

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https://www.readbyqxmd.com/read/28445944/angiotensin-converting-enzyme-2-overexpression-protects-against-doxorubicin-induced-cardiomyopathy-by-multiple-mechanisms-in-rats
#1
Hui Ma, Jing Kong, Yu-Lin Wang, Jun-Long Li, Nai-Hao Hei, Xin-Ran Cao, Jing-Jing Yang, Wen-Jiang Yan, Wen-Jing Liang, Hong-Yan Dai, Bo Dong
Angiotensin-converting enzyme 2 (ACE2) is considered a potential therapeutic target of the renin-angiotensin system (RAS) for the treatment of cardiovascular diseases. We aimed to explore the effects of ACE2 overexpression on doxorubicin-induced cardiomyopathy in rats. Rats were randomly divided into treatment and control groups. The rats of treatment group were injected intraperitoneally with 6 doses of doxorubicin (2.5 mg/kg) within a period of two weeks. Two weeks after the initial injection of doxorubicin, these rats were randomly divided into Mock, Ad-EGFP, Ad-ACE2, and Cilazapril groups...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28440475/a-nine-mirna-signature-as-a-potential-diagnostic-marker-for-breast-carcinoma-an-integrated-study-of-1-110-cases
#2
Dan-Dan Xiong, Jun Lv, Kang-Lai Wei, Zhen-Bo Feng, Ji-Tian Chen, Ke-Cheng Liu, Gang Chen, Dian-Zhong Luo
Growing evidence indicates that microRNAs (miRNAs) play critical roles in the initiation and progression of breast carcinoma (BC) and are promising diagnostic biomarkers. In the present study, we aimed to identify a multi-marker miRNA pool with high diagnostic performance for BC. We collected miRNA expression profiles of BC samples and normal breast tissues from The Cancer Genome Atlas (TCGA) and screened differentially expressed miRNAs by conducting two‑sample t-tests and by calculating log2 fold-change (log2FC) ratios...
April 25, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440282/understanding-the-rising-phase-of-the-pm2-5-concentration-evolution-in-large-china-cities
#3
Baolei Lv, Jun Cai, Bing Xu, Yuqi Bai
Long-term air quality observations are seldom analyzed from a dynamic view. This study analyzed fine particulate matter (PM2.5) pollution processes using long-term PM2.5 observations in three Chinese cities. Pollution processes were defined as linearly growing PM2.5 concentrations following the criteria of coefficient of determination R(2) > 0.8 and duration time T ≥ 18 hrs. The linear slopes quantitatively measured pollution levels by PM2.5 concentrations rising rates (PMRR, μg/(m(3)·hr))...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28436740/major-immunodominant-region-of-hepatitis-b-virus-core-antigen-as-a-delivery-vector-to-improve-the-immunogenicity-of-the-fusion-antigen-rop2-sag1-multiepitope-from-toxoplasma-gondii-in-mice
#4
Wenhuan Wang, Fangfang Feng, Jinhui Lv, Zixin Xie, Jun Chen, Lifang Zhang, Wenshu Li
To prepare the dominant multiepitope fusion antigen ROP2-SAG1 (RSmultiepitope) from Toxoplasma gondii in a prokaryotic system, the major immunodominant region (MIR) of the human hepatitis B virus core antigen (HBcAg(MIR)) was used as a delivery vector. The gene encoding the RSmultiepitope was inserted into HBcAg(MIR), and rHBcAg(MIR)-RSmultiepitope was prepared, purified, and administered to BALB/c mice through intradermal injection. An indirect enzyme-linked immunosorbent assay analysis based on a multiepitope peptide facilitated the specific differentiation of sera obtained from mice immunized with the rHBcAg(MIR)-RSmultiepitope protein, and high titers (greater than 1:6,400) of specific anti-RSmultiepitope antibodies were obtained...
April 24, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28435975/-effect-of-bilateral-injection-of-calcitonin-gene-related-peptide-into-amygdala-on-learning-and-memory-of-mice
#5
Xin Wu, Wan-Jun Zheng, Ming-Hui Lv, Jian-Feng Gao
The aim of the present study was to explore the effects of different doses of calcitonin gene-related peptide (CGRP) injected into the central nucleus of amygdala on cognitive function, learning and memory of mice. C57BL/6J mice (30 days old) were randomly divided into control, sham, and three CGRP groups (10 mice for each group). Three doses of CGRP (200, 400 and 800 ng) were bilaterally administered into the central nucleus of the amygdala. Open field test was used to assess cognitive function. Novel object recognition and Morris water maze test were used to evaluate learning and memory of the mice...
April 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28432271/knockdown-of-prdx2-sensitizes-colon-cancer-cells-to-5-fu-by-suppressing-the-pi3k-akt-signaling-pathway
#6
Jun Xu, Shouru Zhang, Rong Wang, Xingye Wu, Li Zeng, Zhongxue Fu
Although, 5-Fluorouracil (5-FU) remains widely used in adjuvant therapy in patients with colon cancer, resistance to 5-FU-based chemotherapy is an important reason for treatment failure. Recent studies have reported that an enhanced reactive oxygen species (ROS) scavenging system shows drug resistance to 5-FU. Peroxiredoxin-2 (PRDX2), is an important member of the ROS scavenging system, and may be a potential target that promotes chemosensitivity to 5-FU in colon cancer. Here, we depleted PRDX2 by PRDX2-shRNA-LV transduction in two colon cancer cell lines and found that in vitro PRDX2 knockdown facilitates cell death and apoptosis in 5-FU-treated colon cancer cells...
April 21, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28429913/effect-of-glucomannan-on-functional-constipation-in-children-a-systematic-review-and-meta-analysis-of-randomised-controlled-trials
#7
Yong Han, Lei Zhang, Xiang-Qun Liu, Zhi-Jun Zhao, Lu-Xian Lv
BACKGROUND AND OBJECTIVES: Constipation, a common complaint in children, considerably affects the quality of life. This systematic review assessed the treatment effects of glucomannan on children with constipation by summarising evidence from previous randomised controlled trials (RCTs). METHODS AND STUDY DESIGN: A comprehensive electronic literature search was conducted for identifying eligible RCTs that evaluated the effectiveness of glucomannan. The results were reported as mean differences (MDs), standardised mean differences (SMDs), and risk ratios (RRs) with 95% confidence intervals (CIs)...
May 2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28428538/hyperuricemia-is-associated-with-cardiovascular-diseases-clustering-among-very-elderly-women-a-community-based-study-in-chengdu-china
#8
Gang Huang, Jun-Bo Xu, Ting-Jie Zhang, Xiao-Li Nie, Qiu Li, Ya Liu, Yan Lv, Rui-Lian Wen, Lei Yang, Bao-Yu Zhao
Cardiovascular epidemiological features among very elderly Chinese are still uncertain. This study aimed to describe the distribution of cardiovascular diseases and sex difference, and investigate potential risk factors for diseases clustering among very elderly Chinese. From May 2013 to May 2015, a total of 1056 very elderly were sampled in this cross-sectional study. Demographic characteristics collection, physical examination and biochemical analysis were performed. Totally, 1038 participants (men: 49.8%) with a median age of 83...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421724/a-national-study-of-survival-trends-and-conditional-survival-in-nasopharyngeal-carcinoma-analysis-of-the-national-population-based-surveillance-epidemiology-and-end-results-registry
#9
Jia-Wei Lv, Xiao-Dan Huang, Yu-Pei Chen, Guan-Qun Zhou, Ling-Long Tang, Yan-Ping Mao, Wen-Fei Li, Ai-Hua Lin, Jun Ma, Ying Sun
Purpose: Conditional survival (CS) provides important information on survival for a period of time after diagnosis. Currently, information on CS patterns of patients with nasopharyngeal carcinoma (NPC) is lacking. We aimed to analyze survival rate over time and estimate CS for NPC patients using a national population-based registry. Materials and Methods: Patients diagnosed with NPC between 1973-2007 with at least 5-years follow-up were identified from the Surveillance Epidemiology End...
April 19, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28421537/satb2-ablation-impairs-hippocampus-based-long-term-spatial-memory-and-short-term-working-memory-and-immediate-early-genes-iegs-mediated-hippocampal-synaptic-plasticity
#10
Ying Li, Qiang-Long You, Sheng-Rong Zhang, Wei-Yuan Huang, Wen-Jun Zou, Wei Jie, Shu-Ji Li, Ji-Hong Liu, Chuang-Ye Lv, Jin Cong, Yu-Ying Hu, Tian-Ming Gao, Jian-Ming Li
Special AT-rich sequence-binding protein 2 (Satb2) is a protein binding to the matrix attachment regions of DNA and important for gene regulation. Patients with SATB2 mutation usually suffer moderate to severe mental retardation. However, the mechanisms for the defects of intellectual activities in patients with SATB2 mutation are largely unclear. Here we established the heterozygous Satb2 mutant mice and Satb2 conditional knockout mice to mimic the patients with SATB2 mutation and figured out the role of Satb2 in mental activities...
April 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28419984/topical-histamine-stimulates-repigmentation-of-nonsegmental-vitiligo-by-a-receptor-dependent-mechanism
#11
Jun Liu, Yan Xu, Tzu-Kai Lin, Chengzhi Lv, Peter M Elias, Mao-Qiang Man
BACKGROUND: Though vitiligo is a common depigmentary disorder, it still represents a substantial therapeutic challenge. Therapeutic options are limited in part due to its uncertain etiology. OBJECTIVE: Because recent studies suggest that histamine stimulates melanogenesis in vitro, we determined here whether topical histamine stimulates repigmentation in patients with stable, nonsegmental vitiligo. METHODS: A total of 23 otherwise normal volunteers with vitiligo, including 14 males and 9 females aged 6-59 years (mean age 29...
April 19, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28415612/ptip-promotes-recurrence-and-metastasis-of-hepatocellular-carcinoma-by-regulating-epithelial-mesenchymal-transition
#12
Shusheng Leng, Mingyang Yang, Yanhua Zhao, Jingfeng Zhao, Zhijun Zeng, Yunpeng Yang, Jiatian Yuan, Bo Lv, Fan Jun, Bing Wang
Hepatocellular carcinoma (HCC) is one of the most lethal tumors worldwide, which is mainly due to the high recurrence and metastasis rate after hepatectomy. In this study, we found that PTIP expression was dramatically upregulated in human HCC tissues and cell lines. High expression of PTIP was shown to be associated with aggressive clinicopathological features, including liver cirrhosis, vascular invasion and advanced stage. In addition, PTIP overexpression was independently associated with shorter survival and increased HCC recurrence in patients...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414964/insights-into-the-short-term-effects-of-ceo2-nanoparticles-on-sludge-dewatering-and-related-mechanism
#13
Guoxiang You, Peifang Wang, Jun Hou, Chao Wang, Yi Xu, Lingzhan Miao, Bowen Lv, Yangyang Yang, Zhilin Liu, Fei Zhang
As CeO2 nanoparticles (NPs) are used in many applications, the released particles eventually enter wastewater treatment plants, influencing sludge dewatering and increasing the disposal costs. We conducted tests to gain insight into the sludge dewatering performance and the potential mechanism related to the distribution and production of extracellular polymeric substances (EPS). In addition, we conducted single-factor tests with six concentrations of CeO2 NPs in sequencing batch reactors containing matured activated sludge...
April 8, 2017: Water Research
https://www.readbyqxmd.com/read/28414748/dividing-ckd-stage-3-into-g3a-and-g3b-could-better-predict-the-prognosis-of-iga-nephropathy
#14
Jun-Jun Zhang, Gui-Zhen Yu, Zhao-Hui Zheng, Ya-Fei Liu, Yang-Yang Du, Song-Xia Quan, Yu-Jie Liu, Ji-Cheng Lv, Hong Zhang
Chronic kidney disease (CKD) stage 3 was divided into stage G3a and stage G3b in the 2013 Kidney Disease Improving Global Outcomes guidelines. Whether it is appropriate to regard 45 mL/min/per 1.73 m2 as the threshold value of G3a/G3b staging and whether dividing CKD stage 3 into G3a/G3b plays a useful role in assessing the prognosis of patients with IgA nephropathy (IgAN) remain unknown. Three hundred and ninety patients from the First Affiliated Hospital of Zhengzhou University and Peking University First Hospital diagnosed with IgAN in CKD stage 3 were enrolled and successfully followed up...
2017: PloS One
https://www.readbyqxmd.com/read/28409547/long-non-coding-rna-xist-promotes-osteosarcoma-progression-by-targeting-ras-related-protein-rap2b-via-mir-320b
#15
Gong-Yi Lv, Jun Miao, Xiao-Lin Zhang
Abnormal expression of long non-coding RNA (lncRNAs) often contributes to unrestricted growth and invasion of cancer cells. LncRNA X-inactive specific transcript (XIST) expression is up-regulated in several cancers, however, its underlying mechanism in osteosarcoma (OS) has not been elucidated. In the present study, we found that XIST expression was significantly increased in osteosarcoma tissues and cell lines by LncRNA Profiler and qRT-PCR. The effects of XIST and miR-320b on osteosarcoma cell proliferation and invasion were studied by MTT assay and Transwell invasion assay...
April 12, 2017: Oncology Research
https://www.readbyqxmd.com/read/28408903/anti-bacterial-and-anti-biofilm-evaluation-of-thiazolopyrimidinone-derivatives-targeting-the-histidine-kinase-yycg-protein-of-staphylococcus-epidermidis
#16
Zhihui Lv, Dan Zhao, Jun Chang, Huayong Liu, Xiaofei Wang, Jinxin Zheng, Renzheng Huang, Zhiwei Lin, Yongpeng Shang, Lina Ye, Yang Wu, Shiqing Han, Di Qu
Staphylococcus epidermidis is one of the most important opportunistic pathogens in nosocomial infections. The main pathogenicity associated with S. epidermidis involves the formation of biofilms on implanted medical devices, biofilms dramatically decrease the efficacy of conventional antibiotics and the host immune system. This emphasizes the urgent need for designing novel anti-staphylococcal biofilm agents. Based on the findings that compound 5, targeting the histidine kinase domain of S. epidermidis YycG, possessed bactericidal activity against staphylococci, 39 derivatives of compound 5 with intact thiazolopyrimidinone core structures were newly designed, 7 derivatives were further screened to explore their anti-bacterial and anti-biofilm activities...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28407628/super-selective-artery-embolization-before-laparoscopic-partial-nephrectomy-in-treating-renal-angiomyolipoma
#17
Chao Qin, YiChun Wang, Pengchao Li, Pu Li, Jun Tao, Pengfei Shao, Qiang Lv
INTRODUCTION: To investigate the feasibility and efficiency of super-selective artery embolization (SAE) before laparoscopic partial nephrectomy (LPN) in treating renal angiomyolipoma (RAML). MATERIALS AND METHODS: A retrospective analysis was conducted on 36 consecutive patients who underwent SAE before LPN (group A, n = 16) or LPN directly (group B, n = 20) from June 2010 to March 2016. Intraoperative blood loss, blood transfusion, operation time, warm ischemia time (WIT), and prognosis were compared between groups...
April 14, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28406985/metformin-inhibited-esophageal-squamous-cell-carcinoma-proliferation-in-vitro-and-in-vivo-and-enhanced-the-anti-cancer-effect-of-cisplatin
#18
Feng Wang, Xianfei Ding, Tao Wang, Zhengzheng Shan, Jun Wang, Shaoxuan Wu, Yanyan Chi, Yana Zhang, Zhuan Lv, Liuxing Wang, Qingxia Fan
Esophageal squamous cell carcinoma (ESCC) is an aggressive malignancy with poor prognosis in China. Chemotherapy now is one of the most frequently used treatments for patients with ESCC in middle or late stage, however the effects were often limited by increased chemoresistance or treatment toxicity. So it is urgent to find new drugs to treat ESCC patients. Metformin with low cost and toxicity has proved to have anti-cancer effects in a numerous cancers, while its role and mechanism in ESCC has seldom been studied...
2017: PloS One
https://www.readbyqxmd.com/read/28405144/miniature-magnetically-anchored-and-controlled-camera-system-for-trocar-less-laparoscopy
#19
Ding-Hui Dong, Hao-Yang Zhu, Yu Luo, Hong-Ke Zhang, Jun-Xi Xiang, Fei Xue, Rong-Qian Wu, Yi Lv
AIM: To design a miniature magnetically anchored and controlled camera system to reduce the number of trocars which are required for laparoscopy. METHODS: The system consists of a miniature magnetically anchored camera with a 30° downward angle, an external magnetically anchored unit, and a vision output device. The camera weighs 12 g, measures Φ10.5 mm × 55 mm and has two magnets, a vision model, a light source, and a metal hexagonal nut. To test the prototype, the camera was inserted through a 12-mm conventional trocar in an ex vivo real liver laparoscopic training system...
March 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28401370/the-research-on-the-relationship-of-rage-lrp-1-and-a%C3%AE-accumulation-in-the-hippocampus-prefrontal-lobe-and-amygdala-of-stz-induced-diabetic-rats
#20
Lou-Yan Ma, Yu-Lang Fei, Xiao-Ye Wang, Song-Di Wu, Jun-Hui Du, Mei Zhu, Long Jin, Ming Li, Hai-Long Li, Jia-Jia Zhai, Lu-Peng Ji, Ran-Ran Ma, Song-Fang Liu, Mo Li, Li Ma, Xiao-Rui Ma, Qiu-Min Qu, Ya-Li Lv
Diabetes mellitus (DM) has been regarded as an important risk factor for Alzheimer's disease (AD), and diabetic patients and animals have shown cognitive dysfunction. More research has shown that the amyloid-β (Aβ), which is a hallmark of AD, was found deposited in the hippocampus of diabetic rats. This Aβ accumulation is regulated by the receptor for advanced glycation end products (RAGE) and low-density lipoprotein receptor-related protein (LRP-1). However, the expression of RAGE and LRP-1 in diabetic rats is not very clear...
April 11, 2017: Journal of Molecular Neuroscience: MN
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