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Jianhong Qi, Famin Cao, Yunning Han, Di Xie, Hongqiang Song, Bin Chen, Lu Zhou
The purpose of this study is to evaluate the reliability of cartilage digestion and fluorescein diacetate-ethidium bromide (FDA-EB) fluorescence staining for the detection of chondrocyte viability in osteochondral grafts. Sixteen fresh osteochondral grafts were harvested from pig knee condyles, and the articular cartilage tissue was preserved. Each cartilage graft was cut into two 70-µm thick pieces and randomly allocated to Group A or Group B. The cell viability of Group A was detected using FDA-EB fluorescence staining of the digested cartilage, and the viability of Group B was detected with FDA-EB fluorescence staining of cartilage sections...
February 16, 2018: Cell and Tissue Banking
Ting Lü, Shuang Zhang, Dongming Qi, Dong Zhang, Hongting Zhao
A series of quaternized chitosan (QC)-grafted magnetic nanoparticles (MNPs) were successfully synthesized for demulsification from aqueous environments. Fe 3 O 4 MNPs were synthesized by using a coprecipitation method, followed by surface coating with silica and aminopropyl to form a surface for further grafting of QC molecular chains. The synthetic magnetic flocculants were characterized by various technologies and their demulsification performances were evaluated in detail as a function of dosage, QC grafting ratio (G q ), pH and magnetic field...
February 8, 2018: Journal of Colloid and Interface Science
Geng Zhou, Ming-Hua Li, Hai-Tao Lu, Jiang-Shan Deng, Yu-Wu Zhao, Yi Xiang J Wang, Yue-Qi Zhu
INTRODUCTION: Mechanical thrombectomy (MT) has been widely accepted as a safe and effective treatment for acute ischemic stroke (AIS). Development of stent retriever devices has been intensively developed over the past two decades. In this study, we compared the effectiveness and safety of a new thrombectomy device with Solitaire FR for the treatment of AIS models. METHODS: Mechanical performance of stent retrievers was tested in vitro. Thrombin-induced thrombus was pre-injected into the right distal external carotid-maxillary artery in 18 dogs to create an acute thrombus occlusion model, and these animals were divided into a Tonbridge group (n=9, with Tonbridge stent Tonbridge Medical Technology) and a Solitaire group as control (n=9, with Solitaire stent, ev3 Neurovascular)...
February 14, 2018: Journal of Neurointerventional Surgery
Jacquie Boyang Lu, Kristin J Danko, Michael D Elfassy, Vivian Welch, Jeremy M Grimshaw, Noah M Ivers
BACKGROUND: Socially disadvantaged populations carry a disproportionate burden of diabetes-related morbidity and mortality. There is an emerging interest in quality improvement (QI) strategies in the care of patients with diabetes, however, the effect of these interventions on disadvantaged groups remains unclear. OBJECTIVE: This is a secondary analysis of a systematic review that seeks to examine the extent of equity considerations in diabetes QI studies, specifically quantifying the proportion of studies that target interventions toward disadvantaged populations and conduct analyses on the impact of interventions on disadvantaged groups...
February 14, 2018: BMJ Open
Shubin Yu, Zhongyuan Wang, Zijie Su, Jiaxing Song, Liang Zhou, Qi Sun, Shanshan Liu, Shiyue Li, Ying Li, Meina Wang, Guo-Qiang Zhang, Xue Zhang, Zhong-Jian Liu, Desheng Lu
BACKGROUND: Gigantol is a bibenzyl compound derived from several medicinal orchids. This biologically active compound has been shown to have promising therapeutic potential against cancer cells, but its mechanism of action remains unclear. METHODS: The inhibitory effect of gigantol on Wnt/β-catenin signaling was evaluated with the SuperTOPFlash reporter system. The levels of phosphorylated low-density lipoprotein receptor related protein 6 (LRP6), total LRP6 and cytosolic β-catenin were determined by Western blot analysis...
February 14, 2018: BMC Complementary and Alternative Medicine
Min-Chao Liu, Bing Liu, Xiang-Yu Sun, Hui-Chao Lin, Jia-Zheng Lu, Shu-Fang Jin, Si-Qi Yan, Yan-Yu Li, Ping Zhao
The dose-dependent toxicity and low specificity against cancerous cells have restricted the clinical use of daunomycin (DNM). Titanium dioxide (TiO2) has been wildly used as an inorganic photodynamic therapy (PDT) agent and drug carrier. To facilitate the targeted drug delivery and combined therapy, in the present study, TiO2-coated Fe3O4 nanoparticles (Fe3O4@TiO2 NPs) were employed to load DNM and the drug-loaded Fe3O4@TiO2-DNM Nps exhibited smart pH-controlled releasing and satisfactory cytotoxicity as well as photocytotocity...
July 1, 2018: Journal of Nanoscience and Nanotechnology
Dong-Mei Wu, Shan Wang, Min Shen, Yong-Jian Wang, Bo Zhang, Zi-Qi Wu, Jun Lu, Yuan-Lin Zheng
The study aimed to investigate whether S100A9 gene silencing mediating the IL-17 pathway affected the release of pro-inflammatory cytokines in acute pancreatitis (AP). Kunming mice were assigned to the normal, AP, AP + negative control (NC), AP + shRNA, AP + IgG and AP + anti IL-17 groups. ELISA was applied to measure expressions of AMY, LDH, CRP, TNF-α, IL-6 and IL-8. The cells were distributed into the control, blank, NC, shRNA1 and shRNA2 groups. MTT assay, flow cytometry, RT-qPCR and Western blotting were used to evaluate cell proliferation, cell cycle and apoptosis, and expressions of S100A9, TLR4, RAGE, IL-17, HMGB1 and S100A12 in tissues and cells...
February 14, 2018: Journal of Cellular and Molecular Medicine
Yanyan Hu, Erpeng Qi, Fangyi Liu, Yuhan Lu, Shuilian Tan, Ya Sun, Zhiyu Han, Ping Liang, Xiaoling Yu
Objectives: To evaluate the effectiveness of iodine-125 ( 125 I) seed implantation for pancreatic cancer (PC), and preliminarily evaluate the clinical value of a self-developed three-dimensional (3D) visualized seed planning and navigation system in 125 I seed implantation for treatment of PC. Patients and methods: Our team retrospectively reviewed 25 PC patients who underwent 125 I seed implantation between December 2010 and November 2016. The patients were divided into two groups: 3D visualization preoperative planning group (12 patients, 13 lesions) and two-dimensional (2D) regular group (13 patients, 14 lesions)...
2018: OncoTargets and Therapy
Xi Lu, Tiago Duarte Santos Pereira, Hussein Alhazmi, Joanna Majtacz, Qi Zhou, Li Xie, Jacek Makinia
A mechanistic model was developed as an extension of the Activated Sludge Model No. 1 to describe three nitrous oxide (N2O) production pathways in a laboratory-scale anammox-enriched granular sequencing batch reactor. Heterotrophic denitrification and two processes mediated by ammonia oxidizing bacteria (AOB), i.e. ammonia (NH4+) oxidation via hydroxylamine (NH2OH) and autotrophic denitrification, were considered. A systematic model calibration and validation protocol was developed to obtain a unique set of kinetic parameters in the extended model...
February 13, 2018: Environmental Science & Technology
Zhe Lang, Dan Qi, Jianjiang Dong, Liwei Ren, Qifa Zhu, Weiwei Huang, Yongmin Liu, Diannan Lu
Quinclorac, a highly selective auxin herbicide, is widely used for controlling weeds in rice field. However, the residual quinclorac is toxic to many crops, vegetables, and aquatic animals, resulting in one of the major problems in crop rotation. Here, we investigated the degradation of quinclorac by strain AH-B, which was isolated from long-term quinclorac-contaminated soil using continuous circulating fluidized bed reactor and subjected to atmospheric and room temperature plasma mutation. Morphological examination, 16S rRNA gene sequencing, and phylogenetic analysis revealed that strain AH-B was Streptomyces sp...
February 3, 2018: Chemosphere
Gang Liu, Klodian Dhana, Jeremy D Furtado, Jennifer Rood, Geng Zong, Liming Liang, Lu Qi, George A Bray, Lilian DeJonge, Brent Coull, Philippe Grandjean, Qi Sun
BACKGROUND: The potential endocrine-disrupting effects of perfluoroalkyl substances (PFASs) have been demonstrated in animal studies, but whether PFASs may interfere with body weight regulation in humans is largely unknown. This study aimed to examine the associations of PFAS exposure with changes in body weight and resting metabolic rate (RMR) in a diet-induced weight-loss setting. METHODS AND FINDINGS: In the 2-year POUNDS Lost randomized clinical trial based in Boston, Massachusetts, and Baton Rouge, Louisiana, that examined the effects of energy-restricted diets on weight changes, baseline plasma concentrations of major PFASs were measured among 621 overweight and obese participants aged 30-70 years...
February 2018: PLoS Medicine
Zhoufei Mao, Liuhong Yang, Xiaosheng Lu, Anni Tan, Yuxia Wang, Fei Ding, Luanjuan Xiao, Xufeng Qi, Yanhong Yu
C1q/tumor necrosis factor-related protein 3 (C1QTNF3) is a novel adipokine with modulating effects on metabolism, inflammation, and the cardiovascular system. C1QTNF3 expression levels in the sera and omental adipose tissues of women with PCOS are low compared to control subjects. However, the expression and function of C1QTNF3 in the ovary has not previously been examined. Here, we assessed the expression patterns of C1qtnf3 in the ovary and explored its role in folliculogenesis. The C1qtnf3 transcript abundance was higher in large follicles than in small follicles and was under the influence of gonadotropin...
February 1, 2018: Reproduction: the Official Journal of the Society for the Study of Fertility
Yonghai Lu, Juanjuan Chen, Chong Huang, Ning Li, Li Zou, Sin Eng Chia, Shengsen Chen, Kangkang Yu, Qingxia Ling, Qi Cheng, Mengqi Zhu, Weidong Zhang, Mingquan Chen, Choon Nam Ong
We compared hepatic and serum lipid changes in hepatocellular carcinoma (HCC) patients to have a better understanding of the molecular pathogenesis of this disease and discovery novel lipid biomarkers. Hepatic and serum lipid profiling was conducted in paired liver and serum samples from 50 HCC patients and 24 healthy controls. A total of 20 hepatic and 40 serum lipid signatures were identified, yet there was hardly any significant correlation between them. The results indicated that triglycerides and phosphatidylcholines contributed significantly to altered hepatic lipids, whereas triglycerides and phosphatidylethanolamine-based plasmalogens (PEp) contributed most to altered serum lipids...
January 12, 2018: Oncotarget
Fangfang Lu, Hong Xu, Qi Wang, Meiyi Li, Jiahua Meng, Yan Kuang
Enhancer of zeste homolog 2 (EZH2) is a histone methyltransferase, which targets histone H3 lysine 27. Studies have reported that EZH2 is involved in the development of several types of tumor, including ovarian cancer. p16, a well-known cell cycle regulator, has been demonstrated to be a tumor suppressor gene in a variety of malignant cells. However, the regulatory association between EZH2 and p16 in ovarian cancer remains to be fully elucidated. The present study aimed to determine whether EZH2 is involved in the development of ovarian cancer by regulating the expression of p16...
March 2018: Oncology Letters
Ming-Yi Li, Jin-Quan Liu, Dong-Ping Chen, Zhou-Yu Li, Bin Qi, Wen-Jing Yin, Lu He
Overexpression of p68 has been reported in various types of cancer. However, little study has been conducted on the expression and role of p68 in cervical cancer. Therefore, the present study focuses on the role of p68 in cervical cancer cells, which may elucidate its potential mechanism of cervical cancer progression and shed light on the precision medical treatment of cervical cancer. Firstly, the expression of p68 was analyzed using reverse transcription-quantitative polymerase chain reaction and western blot analysis...
February 2018: Oncology Letters
Huihui Li, Daoyi Miao, Qi Zhu, Jianghua Huang, Guangxian Lu, Weiguo Xu
Autophagy has been reported to be widely involved in the pathogenesis of osteoarthritis (OA). Increasing evidence suggested the important role of microRNAs (miRs) in the progression of OA. However, the functional role of miR-17-5p in OA development has remained to be fully elucidated. First, a mouse model of OA was established and the relative level of miR-17-5p was determined using PCR. Safranin O-fast green staining was applied to determine cartilage degeneration. TargetScan software and a dual luciferase reporter assay were applied to determine potential target genes of miR-17-5P...
February 2018: Experimental and Therapeutic Medicine
Jing Zhou, Xiaonan Yang, Xiaolei Jin, Zhenhua Jia, Haibin Lu, Zuoliang Qi
Roberts syndrome (RBS; OMIM 268300) is a rare autosomal recessive disease characterized by retardation before and after birth, cranial and maxillofacial deformities, limb anomalies and intellectual disability. Mutations in the establishment of cohesion 1 homologue 2 (ESCO2) gene on chromosome 8p21.1 have been found to be causative for RBS. We describe two patients with RBS with physical deformities and ll. One is an 8-year-old Yemeni male, and the other is his 13-year-old sister. These patients were diagnosed with RBS and underwent surgeries during their first to third years of life...
February 2018: Experimental and Therapeutic Medicine
Jianping Jia, Cuibai Wei, Shuoqi Chen, Fangyu Li, Yi Tang, Wei Qin, Lina Zhao, Hongmei Jin, Hui Xu, Fen Wang, Aihong Zhou, Xiumei Zuo, Liyong Wu, Ying Han, Yue Han, Liyuan Huang, Qi Wang, Dan Li, Changbiao Chu, Lu Shi, Min Gong, Yifeng Du, Jiewen Zhang, Junjian Zhang, Chunkui Zhou, Jihui Lv, Yang Lv, Haiqun Xie, Yong Ji, Fang Li, Enyan Yu, Benyan Luo, Yanjiang Wang, Shanshan Yang, Qiumin Qu, Qihao Guo, Furu Liang, Jintao Zhang, Lan Tan, Lu Shen, Kunnan Zhang, Jinbiao Zhang, Dantao Peng, Muni Tang, Peiyuan Lv, Boyan Fang, Lan Chu, Longfei Jia, Serge Gauthier
INTRODUCTION: The socioeconomic costs of Alzheimer's disease (AD) in China and its impact on global economic burden remain uncertain. METHODS: We collected data from 3098 patients with AD in 81 representative centers across China and estimated AD costs for individual patient and total patients in China in 2015. Based on this data, we re-estimated the worldwide costs of AD. RESULTS: The annual socioeconomic cost per patient was US $19,144.36, and total costs were US $167...
January 11, 2018: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
Cai-Xia Zang, Xiu-Qi Bao, Lin Li, Han-Yu Yang, Lu Wang, Yang Yu, Xiao-Liang Wang, Xin-Sheng Yao, Dan Zhang
Alzheimer's disease (AD) is the most common neurodegenerative disease in the world. Although the exact causes of AD have not yet been fully elucidated, cholinergic dysfunction, mitochondrial damage, oxidative stress and neuroinflammation have been recognized as influential factors. Current drugs that are designed to address only a single target are unable to mitigate or prevent the progression of this complicated disease, so new disease-modifying drugs are urgently needed. Chinese herbs with thousand years of effective usage might be a good source for potential drugs...
February 12, 2018: American Journal of Chinese Medicine
Zhi-Liang Wang, Chuan-Bao Zhang, Zheng Wang, Xiang-Qi Meng, Xiao-Juan Liu, Bo Han, Chun-Bin Duan, Jin-Quan Cai, Zhong-Fei Hao, Ming-Hui Chen, Tao Jiang, Yong-Li Li, Chuan-Lu Jiang, Hong-Jun Wang
Gliomas are characterized by a malignant phenotype with proliferation, cell cycle arrest and invasion. To explore the biological consequences of epigenetically regulated miRNAs, we performed a microarray based screening (whose expression was affected by 5-AZA treatment) followed by bisulfite sequencing validation. We found that miR-134 as an epigenetically regulated suppressor gene with prognostic value in gliomas. MicroRNA-134 was downregulated in high grade gliomas, especially in GBM samples. Functional studies in vitro and in vivo in mouse models showed that overexpression of miR-134 was sufficient to reduce cell cycle arrest, cell proliferation and invasion...
February 8, 2018: Carcinogenesis
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