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https://www.readbyqxmd.com/read/28637346/an-ion-beam-induced-arabidopsis-mutant-with-marked-chromosomal-rearrangement
#1
Ayako N Sakamoto, Vo Thi Thuong Lan, Satoru Fujimoto, Sachihiro Matsunaga, Atsushi Tanaka
Ion beams have been used as an effective tool in mutation breeding for the creation of crops with novel characteristics. Recent analyses have revealed that ion beams induce large chromosomal alterations, in addition to small mutations comprising base changes or frameshifts. In an effort to understand the potential capability of ion beams, we analyzed an Arabidopsis mutant possessing an abnormal genetic trait. The Arabidopsis mutant uvh3-2 is hypersensitive to UVB radiation when photoreactivation is unavailable...
June 15, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28637025/runx3-regulates-hepatocellular-carcinoma-cell-metastasis-via-targeting-mir-186-e-cadherin-emt-pathway
#2
Yuli Gou, Fangbing Zhai, Liang Zhang, Lan Cui
Runt-related transcription factor 3 (RUNX3) has been reported as a tumor suppressor in some kinds of cancers. In the present study, hepatocellular carcinoma (HCC) microarray analysis showed that RUNX3 expression was significantly lower in HCC tissues compared with that in adjacent non-tumor tissues, and was negatively associated with metastasis and TNM stage. RUNX3 was an independently prognostic factor for 5-year overall and disease-free patient survival. Mechanically, RUNX3 repressed metastasis and invasion of HCC, and increased E-cadherin expression...
June 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636883/the-effects-of-monocular-training-on-binocular-functions-in-anisometropic-amblyopia
#3
Wuli Jia, Fangfang Lan, Zhao Xin, Zhong-Lin Lu, Chang-Bing Huang, Wuxiao Zhao, Min Li
PURPOSE: It's been shown that intensive monocular perceptual learning can improve visual acuity, contrast sensitivity, and vernier acuity in the amblyopic eye in adults with amblyopia. It is however not clear how much monocular training can enhance binocular visual functions. In the current study, we aimed to evaluate effects of monocular training on a variety of binocular functions. METHODS: Nineteen anisometropic amblyopes (18.5±1.26 yrs) were trained in a grating contrast detection task near each individual's cutoff spatial frequency for 6 to 10 days (630 trials/day)...
June 18, 2017: Vision Research
https://www.readbyqxmd.com/read/28636840/influence-of-sex-on-performance-fatigability-of-the-plantar-flexors-following-repeated-maximal-dynamic-shortening-contractions
#4
Amelia C Lanning, Geoffrey Alonzo Power, Anita D Christie, Brian H Dalton
The purpose was to determine sex-differences in fatigability during maximal, unconstrained velocity, shortening plantar flexions. The role of time-dependent measures (i.e., rate of torque development (RTD), rate of velocity development (RVD), rate of neuromuscular activation) in such sex-related differences was also examined. By task termination, females exhibited less reductions in power and similar changes in rate of neuromuscular activation than males, indicating females were less fatigable than males.
June 21, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28636556/long-non-coding-rna-ube2cp3-promotes-tumor-metastasis-by-inducing-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma
#5
Shun-Wang Cao, Jin-Lan Huang, Jing Chen, Yan-Wei Hu, Xiu-Mei Hu, Ting-Yu Ren, Shi-Hao Zheng, Jin-Duan Lin, Jing Tang, Lei Zheng, Qian Wang
Hepatocellular carcinoma (HCC) is a highly aggressive, solid malignancy that has a poor prognosis. Long non-coding RNAs (lncRNAs) have been found to be dysregulated in various cancers, including HCC. However, the molecular mechanism involving lncRNAs in HCC remains largely unknown. In this study, lncRNAs differentially expressed between HCC and corresponding non-cancerous tissue were identified by microarray analysis. A specific differentially expressed lncRNA UBE2CP3 (ubiquitin conjugating enzyme E2 C pseudogene 3) was identified...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635254/sudoku-like-lab-on-paper-cyto-device-with-dual-enhancement-of-electrochemiluminescence-intermediates-strategy
#6
Hongmei Yang, Yan Zhang, Li Li, Lina Zhang, Feifei Lan, Jinghua Yu
This paper describes the design and construction of sudoku-like lab-on-paper platform, in which dual enhancement of reaction intermediates strategy was incorporated for multiplexed competitive electrochemiluminescence (ECL) cyto-assay. Benefit from the sudoku-like structure, integrated multifunction were obtained on such elaborately devised platform, including specific reagents storage, multiple samples immobilization, residual automatic washing, and signal collection. By utilizing semicarbazide (SE) and silver nanoparticles (AgNPs) as dual enhancers, more ECL intermediates could be obtained in the graphene quantum dots (GQDs) and peroxydisulfate system, resulting in the production of more excited state GQDs to emit light...
June 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28635252/proton-fueled-reversible-dna-hybridization-chain-assembly-for-ph-sensing-and-imaging
#7
Lan Liu, Jin-Wen Liu, Zhi-Mei Huang, Han Wu, Na Li, Li-Juan Tang, Jian-Hui Jiang
Design of DNA self-assembly with reversible responsiveness to external stimuli is of great interest for diverse applications. We for the first time develop a pHresponsive, fully-reversible hybridization chain reaction (HCR) assembly that allows sensitive sensing and imaging of pH in living cells. Our design relies on the triplex forming sequences that form DNA triplex with toehold regions under acidic conditions and then induce a cascade of strand displacement and DNA assembly. The HCR assembly has shown dynamic responses in physiological pH ranges with excellent reversibility and demonstrated the potential for in vitro detection and live-cell imaging of pH...
June 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28633994/t-lymphocytes-infiltration-promotes-blood-brain-barrier-injury-after-experimental-intracerebral-hemorrhage
#8
Xuan Zhang, Wei Liu, Jichao Yuan, Haitao Zhu, Yang Yang, Zexian Wen, Yaxing Chen, Lan Li, Jiangkai Lin, Hua Feng
T lymphocytes migrate into the brain after intracerebral hemorrhage (ICH) and promote cerebral inflammation, thus exacerbating neuronal injury. However, the relationship between of T lymphocytes infiltration and blood-brain barrier (BBB) injury after ICH has not been clarified. In this study, we investigated the spatial-temporal distribution of infiltrating T lymphocytes after ICH in C57BL/6 mice by immunofluorescence and flow cytometry, and the accompanying change rules of BBB permeability were detected by Evans blue dye leakage and tight junction protein expression...
June 17, 2017: Brain Research
https://www.readbyqxmd.com/read/28633538/relationship-between-emergency-care-utilization-ambient-temperature-and-the-pollution-standard-index-in-taiwan
#9
Ching-Hui Tseng, Li-Chin Lu, Shao-Hwan Lan, Yen-Ping Hsieh, Shou-Jen Lan
This study applied a vector error correction model to investigate the effects of ambient temperature (AT) and air quality index values on emergency care utilization (ECU). The Pollution Standards Index (PSI) and total suspended particulates (TSP) were used for analysis. Data were obtained from the National Health Insurance Research Database of the Ministry of Transportation and Communications and Ministry Environmental of Protection Administration of Taiwan. Data from January of 1998 to December of 2012 (180 months) were analyzed...
June 21, 2017: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/28633499/lateralized-basal-ganglia-vulnerability-to-pesticide-exposure-in-asymptomatic-agricultural-workers
#10
Mechelle M Lewis, Nicholas W Sterling, Guangwei Du, Eun-Young Lee, Grace Shyu, Michael Goldenberg, Thomas Allen, Christy Stetter, Lan Kong, Shedra Amy Snipes, Byron C Jones, Honglei Chen, Richard B Mailman, Xuemei Huang
Background: Pesticide exposure is linked to Parkinson's disease (PD), a neurodegenerative disorder marked by dopamine cell loss in the substantia nigra of the basal ganglia (BG) that often presents asymmetrically. We previously reported that pesticide-exposed agricultural workers (AW) have nigral diffusion tensor (DTI) changes. The current study sought to confirm this finding, and explore its hemisphere and regional specificity within BG structures using an independent sample population...
June 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28633128/involvement-of-udp-glucuronosyltransferases-in-higenamine-glucuronidation-and-the-gender-and-species-differences-in-liver
#11
Zhi Liang, Chang Xu, Lingna Dong, Yile Fu, Qiong Wu, Jie Zhao, Ling Ye, Zheng Cai, Menghua Liu, Bijun Xia, Lan Tang, Zhongqiu Liu
OBJECTIVES: Higenamine (HG), an active ingredient of Aconite root in Chinese herbal medicine, is mainly metabolized by UDP-glucuronosyltransferases (UGT). However, the systematic glucuronidation of HG in humans remains unclear. The purpose of this study was to investigate the glucuronidation of HG. METHODS: 12 recombinant human UGT (rUGT) isozymes were used to characterize the HG glucuronidation. Liver microsomes from male and female mice, rats, guinea pigs, dogs, and humans were used to determine the species and gender differences using liquid chromatography-mass spectrometry...
June 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28633109/endothelial-nlrp3-inflammasome-activation-and-arterial-neointima-formation-associated-with-acid-sphingomyelinase-during-hypercholesterolemia
#12
Saisudha Koka, Min Xia, Yang Chen, Owais M Bhat, Xinxu Yuan, Krishna M Boini, Pin-Lan Li
The NLRP3 inflammasome has been reported to be activated by atherogenic factors, whereby endothelial injury and consequent atherosclerotic lesions are triggered in the arterial wall. However, the mechanisms activating and regulating NLRP3 inflammasomes remain poorly understood. The present study tested whether acid sphingomyelinase (ASM) and ceramide associated membrane raft (MR) signaling platforms contribute to the activation of NLRP3 inflammasomes and atherosclerotic lesions during hypercholesterolemia. We found that 7-ketocholesterol (7-Keto) or cholesterol crystal (ChC) markedly increased the formation and activation of NLRP3 inflammasomes in mouse carotid arterial endothelial cells (CAECs), as shown by increased colocalization of NLRP3 with ASC or caspase-1, enhanced caspase-1 activity and elevated IL-1β levels, which were markedly attenuated by mouse Asm siRNA, ASM inhibitor- amitriptyline, and deletion of mouse Asm gene...
June 15, 2017: Redox Biology
https://www.readbyqxmd.com/read/28632380/recent-progress-in-nanomaterial-based-optical-aptamer-assay-for-the-detection-of-food-chemical-contaminants
#13
Lingyi Lan, Yao Yao, Jianfeng Ping, Yibin Ying
Food chemical contaminant is a major factor to cause foodborne diseases and can do harm to human health. Hence, to develop robust, easy, and sensitive methods for rapid evaluation of food chemical contaminants is highly desirable. Nanomaterial-based optical aptasensors combined with the advantages of the high selectivity of optical detection techniques, excellent stability of aptamer, and the unique properties of nanomaterials have been recognized as useful tools for routine biosensing applications. The recent progress in nanomaterial-based optical aptamer assays to determine food chemical contaminants including heavy metals, toxins, pesticides, and antibiotics are presented in this paper...
June 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28631552/effect-of-2-3-4-4-5-pentachlorobiphenyl-exposure-on-endometrial-receptivity-and-the-methylation-of-hoxa10
#14
Xin-Lan Qu, Ming-Zhang, Yuan-Fang, Hui Wang, Yuan-Zhen Zhang
Polychlorinated biphenyls (PCBs) are one of the most common endocrine-disrupting chemicals and have obvious toxicity on human reproductive development. The aim of our study was to investigate the toxicity of chronic 2,3',4,4',5-pentachlorobiphenyl (PCB 118) exposure on embryo implantation and endometrial receptivity, with the possible mechanism of DNA methylation involved. Virgin CD-1 female mice (3 weeks old) were housed and orally treated with PCB 118 (0, 1, 10, 100 μg/kg) for a month. After mating with fertile males, the pregnant mice were killed on gestation day 4...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28630873/an-integrative-developmental-genomics-and-systems-biology-approach-to-identify-an-in-vivo-sox-trio-mediated-gene-regulatory-network-in-murine-embryos
#15
Wenqing Jean Lee, Sumantra Chatterjee, Sook Peng Yap, Siew Lan Lim, Xing Xing, Petra Kraus, Wenjie Sun, Xiaoming Hu, V Sivakamasundari, Hsiao Yun Chan, Prasanna R Kolatkar, Shyam Prabhakar, Thomas Lufkin
Embryogenesis is an intricate process involving multiple genes and pathways. Some of the key transcription factors controlling specific cell types are the Sox trio, namely, Sox5, Sox6, and Sox9, which play crucial roles in organogenesis working in a concerted manner. Much however still needs to be learned about their combinatorial roles during this process. A developmental genomics and systems biology approach offers to complement the reductionist methodology of current developmental biology and provide a more comprehensive and integrated view of the interrelationships of complex regulatory networks that occur during organogenesis...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28630343/correction-for-lan-et-al-long-read-sequencing-uncovers-the-adaptive-topography-of-a-carnivorous-plant-genome
#16
(no author information available yet)
No abstract text is available yet for this article.
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28630183/bioavailability-of-lumefantrine-is-significantly-enhanced-with-a-novel-formulation-approach-a-randomized-open-label-pharmacokinetic-study-in-healthy-volunteers
#17
Jay Prakash Jain, F Joel Leong, Lan Chen, Sampath Kalluri, Vishal Koradia, Daniel S Stein, Marie-Christine Wolf, Gangadhar Sunkara, Jagannath Kota
The artemether-lumefantrine combination requires food intake for optimal absorption of lumefantrine. In an attempt to enhance bioavailability of lumefantrine, new solid dispersion formulations (SDF) were developed, and the pharmacokinetics of two SDF variants were assessed in a randomized, open-label, sequential two-part study in healthy volunteers. In Part 1, relative bioavailability of the two SDF variants was compared with the conventional formulation after administration of a single dose of 480 mg under fasted conditions in three parallel cohorts...
June 19, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28630098/comparative-micrornaome-analysis-of-the-testis-and-ovary-of-the-chinese-giant-salamander
#18
Rui Chen, Jian Du, Lin Ma, Li-Qing Wang, Sheng-Song Xie, Chang-Ming Yang, Xian-Yong Lan, Chuan-Ying Pan, Wu-Zi Dong
MicroRNAs (miRNAs) are 18-24 nucleotides non-coding RNAs that regulate gene expression by post-transcriptional suppression of mRNA. The Chinese giant salamander (CGS, Andrias davidianus), which is an endangered species, has become one of important models of animal evolution; however, no miRNA studies on this species have been conducted. In this study, two small RNA libraries of CGS ovary and testis were constructed using deep sequencing technology. A bioinformatics pipeline was developed to distinguish miRNA sequences from other classes of small RNAs represented in the sequencing data...
June 19, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28629900/multiple-analyses-indicate-the-specific-association-of-nr1i3-c6-and-tnn-with-low-hip-bmd-risk
#19
Ying-Ying Han, Lan-Juan Zhao, Yong Lin, Hao He, Qing Tian, Wei Zhu, Hui Shen, Xiang-Ding Chen, Hong-Wen Deng
No abstract text is available yet for this article.
May 8, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28629560/ct-based-radiomics-signature-for-differentiating-borrmann-type-iv-gastric-cancer-from-primary-gastric-lymphoma
#20
Zelan Ma, Mengjie Fang, Yanqi Huang, Lan He, Xin Chen, Cuishan Liang, Xiaomei Huang, Zixuan Cheng, Di Dong, Changhong Liang, Jiajun Xie, Jie Tian, Zaiyi Liu
PURPOSE: To evaluate the value of CT-based radiomics signature for differentiating Borrmann type IV gastric cancer (GC) from primary gastric lymphoma (PGL). MATERIALS AND METHODS: 40 patients with Borrmann type IV GC and 30 patients with PGL were retrospectively recruited. 485 radiomics features were extracted and selected from the portal venous CT images to build a radiomics signature. Subjective CT findings, including gastric wall peristalsis, perigastric fat infiltration, lymphadenopathy below the renal hila and enhancement pattern, were assessed to construct a subjective findings model...
June 2017: European Journal of Radiology
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