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https://www.readbyqxmd.com/read/29334605/induction-chemotherapy-plus-concurrent-chemoradiotherapy-versus-concurrent-chemoradiotherapy-alone-in-locoregionally-advanced-nasopharyngeal-carcinoma-in-children-and-adolescents-a-matched-cohort-analysis
#1
Yang Li, Lin-Quan Tang, Li-Ting Liu, Shan-Shan Guo, Yu-Jing Liang, Xue-Song Sun, Qing-Nan Tang, Jin-Xin Bei, Jing Tan, Shuai Chen, Jun Ma, Chong Zhao, Qiu-Yan Chen, Hai-Qiang Mai
Purpose: The purpose of this study was to evaluate the long-term clinical outcome and toxicity of induction chemotherapy (IC) followed by concomitant chemoradiotherapy (CCRT) compared with CCRT alone for the treatment of children and adolescent locoregionally advanced nasopharyngeal carcinoma (LACANPC). Patients and Methods: A total of 194 locoregionally advanced NPC patients younger than 21 years who received CCRT with or without IC before were included in the study population...
January 8, 2018: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29334528/comparison-of-laparoscopic-and-open-pancreaticoduodenectomy-for-the-treatment-of-nonpancreatic-periampullary-adenocarcinomas
#2
Ling-Wei Meng, Yun-Qiang Cai, Yong-Bin Li, He Cai, Bing Peng
BACKGROUND: Laparoscopic pancreaticoduodenectomy (LPD), a surgical option for nonpancreatic periampullary adenocarcinoma (NPPA), is a complex procedure that has become increasing popular. However, there is no consensus as to whether this technique should be performed routinely. Our aim was to evaluate the outcomes of LPD compared with open pancreaticoduodenectomy (OPD). MATERIALS AND METHODS: From October 2010 to September 2015, 58 LPDs were performed to treat NPPA and were compared with 58 OPDs, which can theoretically be carried out by laparoscopic approach...
January 12, 2018: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/29332859/grading-fatty-liver-by-ultrasound-time-domain-radiofrequency-signal-analysis-an-in-vivo-study-of-rats
#3
Wenwu Ling, Jierong Quan, Jiangli Lin, Tingting Qiu, Jiawu Li, Qiang Lu, Changli Lu, Yan Luo
This study aimed to assess the severity of fatty liver (FL) by analyzing ultrasound radiofrequency (RF) signals in rats. One hundred and twenty rats (72 in the FL group and 48 in the control group) were used for this purpose. Histological results were the golden standard: 42 cases had normal livers (N), 30 cases had mild FL (L1), 25 cases had moderate FL (L2), 13 cases presented with severe FL (L3), and 10 cases were excluded from the study. Four RF parameters (Mean, Mean/SD ratio [MSR], skewness [SK], and kurtosis [KU] were extracted...
January 12, 2018: Experimental Animals
https://www.readbyqxmd.com/read/29332799/rapid-identification-of-regulated-organic-chemical-compounds-in-toys-using-ambient-ionization-and-a-miniature-mass-spectrometry-system
#4
Xiangyu Guo, Hua Bai, Yueguang Lv, Guangcheng Xi, Junfang Li, Xiaoxiao Ma, Yue Ren, Zheng Ouyang, Qiang Ma
Rapid, on-site analysis was achieved through significantly simplified operation procedures for a wide variety of toy samples (crayon, temporary tattoo sticker, finger paint, modeling clay, and bubble solution) using a miniature mass spectrometry system with ambient ionization capability. The labor-intensive analytical protocols involving sample workup and chemical separation, traditionally required for MS-based analysis, were replaced by direct sampling analysis using ambient ionization methods. A Mini β ion trap miniature mass spectrometer was coupled with versatile ambient ionization methods, e...
April 1, 2018: Talanta
https://www.readbyqxmd.com/read/29332156/enterocytozoon-bieneusi-genotypes-in-tibetan-sheep-and-yaks
#5
Qiang Zhang, Jinzhong Cai, Pei Li, Lin Wang, Yaqiong Guo, Chunhua Li, Mengtong Lei, Yaoyu Feng, Lihua Xiao
Few studies have been conducted on the distribution of Enterocytozoon bieneusi genotypes in Tibetan sheep and yaks, which live outdoors in extreme climate with high altitude. In this study, fecal specimens from 312 Tibetan sheep and 554 yaks in Qinghai, China, were collected and examined for E. bieneusi by PCR-sequence analysis of the ribosomal internal transcribed spacer. Among them, 73 (23.4%) specimens from Tibetan sheep and 40 (7.2%) from yaks were positive for E. bieneusi. There were eight E. bieneusi genotypes in Tibetan sheep, including three known ones (BEB6, COS-I, and NESH5) and five novel ones (named as CHS13-CHS17)...
January 14, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29332129/aspergillus-fumigatus-increased-par-2-expression-and-elevated-proinflammatory-cytokines-expression-through-the-pathway-of-par-2-erk1-2-in-cornea
#6
Yawen Niu, Guiqiu Zhao, Cui Li, Jing Lin, Nan Jiang, Chengye Che, Jie Zhang, Qiang Xu
Purpose: To determine the role of protease-activated receptor-2 (PAR-2) in cornea infected by Aspergillus fumigatus. Methods: PAR-2 was tested in normal and infected corneas of C57BL/6 mice. Mice corneas were infected with A. fumigatus with or without pretreatment of PAR-2 antagonist (FSLLRY-NH2). Polymorphonuclear neutrophilic leukocytes (PMNs) were stimulated with 75% ethanol-killed A. fumigatus with or without pretreatment of FSLLRY-NH2. Disease severity was documented by clinical score and photographs with a slit lamp...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29332032/value-of-conventional-mri-and-diffusion-tensor-imaging-parameters-in-predicting-surgical-outcome-in-patients-with-degenerative-cervical-myelopathy
#7
Canghai Shen, Haiwei Xu, Baoshan Xu, Xiaoguang Zhang, Xiaofeng Li, Qiang Yang, Xinlong Ma
BACKGROUND: In addition to conventional magnetic resonance imaging (cMRI), diffusion tensor imaging (DTI) has been investigated as a potential diagnostic and prognostic tool for patients with degenerative cervical myelopathy (DCM). OBJECTIVE: To assess the efficacy of cMRI and DTI parameters in prediction of surgical outcome in DCM patients. METHODS: One hundred and forty-two patients with DCM who underwent presurgical cMRI and DTI of the cervical spine were included...
December 29, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29331980/dmc1-mutation-that-causes-human-non-obstructive-azoospermia-and-premature-ovarian-insufficiency-identified-by-whole-exome-sequencing
#8
Wen-Bin He, Chao-Feng Tu, Qiang Liu, Lan-Lan Meng, Shi-Min Yuan, Ai-Xiang Luo, Fu-Sheng He, Juan Shen, Wen Li, Juan Du, Chang-Gao Zhong, Guang-Xiu Lu, Ge Lin, Li-Qing Fan, Yue-Qiu Tan
BACKGROUND: The genetic causes of the majority of male and female infertility caused by human non-obstructive azoospermia (NOA) and premature ovarian insufficiency (POI) with meiotic arrest are unknown. OBJECTIVE: To identify the genetic cause of NOA and POI in two affected members from a consanguineous Chinese family. METHODS: We performed whole-exome sequencing of DNA from both affected patients. The identified candidate causative gene was further verified by Sanger sequencing for pedigree analysis in this family...
January 13, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29331789/anticonvulsant-activities-of-%C3%AE-asaronol-e-3-hydroxyasarone-an-active-constituent-derived-from-%C3%AE-asarone
#9
Xirui He, Yajun Bai, Min Zeng, Zefeng Zhao, Qiang Zhang, Ning Xu, Fanggang Qin, Xiaoyang Wei, Meimei Zhao, Ni Wu, Zehua Li, Yajun Zhang, Tai-Ping Fan, Xiaohui Zheng
BACKGROUND: Epilepsy is one of chronic neurological disorders that affects 0.5-1.0% of the world's population during their lifetime. There is a still significant need to develop novel anticonvulsant drugs that possess superior efficacy, broad spectrum of activities and good safety profile. METHODS: α-Asaronol and two current antiseizure drugs (α-asarone and carbamazepine (CBZ)) were assessed by in vivo anticonvulsant screening with the three most employed standard animal seizure models, including maximal electroshock seizure (MES), subcutaneous injection-pentylenetetrazole (PTZ)-induced seizures and 3-mercaptopropionic acid (3-MP)-induced seizures in mice...
August 31, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29331495/role-of-bcl2l10-in-regulating-buffalo-bubalus-bubalis-oocyte-maturation
#10
Yu-Lin Huang, Huan-Jing Wang, Fu-Mei Chen, Xiu-Ling Zhao, Qiang Fu, Peng-Fei Zhang, Li-Ping Pu, Feng-Ling Huang, Yang-Qing Lu, Ming Zhang
It has been reported that BCL2L10 is abundantly and specifically expressed in adult human and mouse oocytes and played a very important role in oocytes maturation and early embryonic development. This study is to investigate the expression pattern of BCL2L10 in buffalo ovaries and its effect on the in vitro maturation of buffalo oocytes, so as to dissect mechanism of oocytes maturation and provide theoretical guidance for improvement of the in vitro maturation of buffalo oocytes. The results showed that BCL2L10 gene was enriched in ovary and the expression of BCL2L10 was oocyte specific and up-regulated during oocyte maturation...
December 30, 2017: Theriogenology
https://www.readbyqxmd.com/read/29331389/capn4-promotes-colorectal-cancer-cell-proliferation-by-increasing-mapk7-through-activation-of-the-wnt-%C3%AE-catenin-pathway
#11
Fei Cheng, Mohamed Mohanoud Mohanmed, Zhenjia Li, Liang Zhu, Qiansen Zhang, Qiang Huang, Wei Shen
Increasing evidence has suggested that Capn4 is upregulated and functions as a potential tumor promoter in several human cancer types. However, the potential biological roles and regulatory mechanisms of Capn4 in colorectal cancer (CRC) remains unclear. Here, we found that Capn4 expression was elevated in CRC tissues than adjacent noncancerous tissues. Additionally, we also found that overexpression of Capn4 is significantly correlated with tumor progression and poor survival in CRC patients. Furthermore, our experimental data revealed that increased expression of Capn4 was observed in CRC cell lines and ectopic expression of Capn4 significantly enhanced in vitro cell proliferation, whereas knockdown of Capn4 suppressed CRC cells growth in vitro and in vivo...
January 10, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29331358/assessing-risk-category-of-breast-cancer-by-ultrasound-imaging-characteristics
#12
Qiang Guo, Lei Zhang, Zhixin Di, Chunping Ning, Zhiwu Dong, Ziyao Li, Dongmo Wang, Chong Liu, Ming Zhao, Jiawei Tian
The purpose of our study was to assess the potential clinical value of ultrasound imaging in predicting risk category in patients with breast cancer. Three hundred thirty-six patients were enrolled and divided into a high-risk group (99, 29.5%) and mid- to low-risk group (237, 70.5%) according to the St. Gallen risk criteria. All data were retrospectively collected to analyze correlations between ultrasound features and risk category. The results revealed that the ultrasound features of irregular shape (p= 0...
January 10, 2018: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/29330963/metal-organic-framework-based-in-syringe-solid-phase-extraction-for-the-on-site-sampling-of-polycyclic-aromatic-hydrocarbons-from-environmental-water-samples
#13
Xiaoqiong Zhang, Peiyi Wang, Qiang Han, Hengzhen Li, Tong Wang, Mingyu Ding
In-syringe solid-phase extraction is a promising sample pretreatment method for the on-site sampling of water samples because of its outstanding advantages of portability, simple operation, short extraction time and low cost. In this work, a novel in-syringe solid-phase extraction device using metal-organic frameworks as the adsorbent was fabricated for the on-site sampling of polycyclic aromatic hydrocarbons from environmental waters. Trace polycyclic aromatic hydrocarbons were effectively extracted through the self-made device followed by gas chromatography with mass spectrometry analysis...
January 13, 2018: Journal of Separation Science
https://www.readbyqxmd.com/read/29330472/amyloid-deposition-in-a-mouse-model-humanized-at-the-transthyretin-and-retinol-binding-protein-4-loci
#14
Xiangshun Li, Yanyi Lyu, Jingling Shen, Yanshuang Mu, Lixia Qiang, Li Liu, Kimi Araki, Bruno P Imbimbo, Ken-Ichi Yamamura, Shoude Jin, Zhenghua Li
Familial amyloidotic polyneuropathy is an autosomal dominant disorder caused by a point mutation in the transthyretin (TTR) gene. The process of TTR amyloidogenesis begins with rate-limiting dissociation of the TTR tetramer. Thus, the TTR stabilizers, such as Tafamidis and Diflunisal, are now in clinical trials. Mouse models will be useful to testing the efficacy of these drugs. Although several mouse models have been generated, they all express mouse Rbp4. Thus, human TTR associates with mouse RBP4, resulting in different kinetic and thermodynamic stability profiles of TTR tetramers...
January 12, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29330026/sound-shock-response-in-larval-zebrafish-a-convenient-and-high-throughput-assessment-of-auditory-function
#15
Xiuyun Liu, Jia Lin, Yinglan Zhang, Ning Guo, Qiang Li
Given that hearing ability can be challenged in diverse ways, it is necessary to develop an easily conducted, high-throughput method for assessing potential auditory risks. Measuring the acoustic startle response (ASR) has become a critical behavioral method in hearing research using zebrafish (Danio rerio). In this study, changes in the activity of zebrafish larvae (10 days post fertilization (dpf)) due to exposure to a sudden easily-generated broad-band noise were automatically and objectively recorded and analyzed without building sophisticated equipments...
January 9, 2018: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/29329092/effect-of-aspirin-on-the-pharmacokinetics-and-absorption-of-panax-notoginseng-saponins
#16
Zhihao Tian, Huanhuan Pang, Qiang Zhang, Shouying Du, Yang Lu, Lin Zhang, Jie Bai, Pengyue Li, Danqi Li, Mengdi Zhao, Xiaonan Chen
BACKGROUND: Panax notoginseng saponins, a traditional Chinese medicine extraction, and aspirin are both widely used to treat cerebral infarction in China. Good results in clinical practice have been achieved, when Panax notoginseng saponins was taken together with aspirin. METHODS: To investigate the interaction of the two drugs in vivo, the concentration of notoginsenoside R1, ginsenoside Rg1, Rb1, Re and Rd. in blood were simultaneously measured by UPLC/MS/MS...
January 2, 2018: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29328665/coalescence-dynamics-of-mobile-and-immobile-fluid-interfaces
#17
Ivan U Vakarelski, Rogerio Manica, Er Qiang Li, Elka S Basheva, Derek Y C Chan, Sigurdur T Thoroddsen
Coalescence dynamics between deformable bubbles and droplets can be dramatically affected by the mobility of the interfaces with fully tangentially mobile bubble-liquid or droplet-liquid interfaces expected to accelerate the coalescence by orders of magnitudes. However, there is a lack of systematic experimental investigations that quantify this effect. By using high speed camera imaging we examine the free rise and coalescence of small air-bubbles (100 to 1300 μm in diameter) with a liquid interface. A perfluorocarbon liquid, PP11 is used as a model liquid to investigate coalescence dynamics between fully-mobile and immobile deformable interfaces...
January 12, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29328451/a-systematic-review-and-meta-analysis-of-bidirectional-effect-of-arsenic-on-erk-signaling-pathway
#18
Dongjie Li, Yutao Wei, Shangzhi Xu, Qiang Niu, Mei Zhang, Shugang Li, Mingxia Jing
Arsenic is a toxic metal, which ultimately leads to cell apoptosis. ERK is considered a key transcriptional regulator of arsenic‑induced apoptosis. Due to a few controversial issues about arsenic‑mediated extracellular signal‑regulated MAP kinases (ERK) signaling, a meta‑analysis was performed. Subgroup analyses demonstrated that high doses (≥2 µmol/l) of arsenic increased the expression of Ras, ERK, ERK1, ERK2, phosphorylated (p)‑ERK, p‑ERK1, and p‑ERK2, while low doses (<2 µmol/l) decreased the expression of Ras, ERK1, p‑ERK, and p‑ERK2 when compared to control groups...
January 5, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29328444/sp1-reduces-autophagic-flux-through-activating-p62-in-gastric-cancer-cells
#19
Xiao-Wu Xu, Chen-Wei Pan, Xiao-Min Yang, Lei Zhou, Zhi-Qiang Zheng, De-Chun Li
Gastric cancer is the most common type of gastrointestinal cancer, causing mortality worldwide. However, the underlying molecular mechanism in gastric cancer progression remains unclear. The autophagic flux was determined in gastric cancer cells overexpressing or inhibiting Sp1 transcription factor (SP1) using western blotting, reverse transcription‑polymerase chain reaction and immunofluorescence staining. Luciferase and ChIP assays were performed to detect the potential underlying mechanism of SP1 in gastric cancer cells...
January 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29328443/-retracted-effects-of-cyclin-e-gene-silencing-on-the-proliferation-of-esophageal-cancer-cell-lines-ec9706-eca109-and-kyse30
#20
Na Wang, Min Li, Wen-Qiao Zang, Yun-Yun Ma, Yuan-Yuan Wang, Guo-Qiang Zhao
Subsequently to the publication of this article, an interested reader drew to our attention the fact that the six panels shown in Fig. 6 shared several areas of identity among them. Following an internal investigation, a laboratory technician, who was responsible for editing the pictures, admitted that the data as presented in the figure had been manipulated after having mislaid some of the original data. The corresponding author of the article takes responsibility for this oversight, and therefore the paper is to be retracted from publication...
January 9, 2018: Molecular Medicine Reports
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