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https://www.readbyqxmd.com/read/29779236/arabidopsis-inositol-phosphate-kinases-ipk1-and-itpk1-constitute-a-metabolic-pathway-in-maintaining-phosphate-homeostasis
#1
Hui-Fen Kuo, Yu-Ying Hsu, Wei-Chi Lin, Kai-Yu Chen, Teun Munnik, Charles A Brearley, Tzyy-Jen Chiou
Emerging studies have implicated a close link between inositol phosphate (InsP) metabolism and cellular phosphate (Pi ) homeostasis in eukaryotes; however, whether a common InsP species is deployed as an evolutionarily conserved metabolic messenger to mediate Pi signaling remains unknown. Here, using genetics and InsP profiling combined with Pi starvation response (PSR) analysis in Arabidopsis thaliana, we showed that the kinase activity of inositol pentakisphosphate 2-kinase (IPK1), an enzyme required for phytate (inositol hexakisphosphates; InsP6 ) synthesis, is indispensable for maintaining Pi homeostasis under Pi -replete conditions, and inositol 1,3,4-trisphosphate 5/6-kinase 1 (ITPK1) plays an equivalent role...
May 19, 2018: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/29779184/limbic-system-structure-volumes-and-associated-neurocognitive-functioning-in-former-nfl-players
#2
Christian Lepage, Marc Muehlmann, Yorghos Tripodis, Jakob Hufschmidt, Julie Stamm, Katie Green, Pawel Wrobel, Vivian Schultz, Isabelle Weir, Michael L Alosco, Christine M Baugh, Nathan G Fritts, Brett M Martin, Christine Chaisson, Michael J Coleman, Alexander P Lin, Ofer Pasternak, Nikos Makris, Robert A Stern, Martha E Shenton, Inga K Koerte
Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease associated with exposure to repetitive head impacts. CTE has been linked to disruptions in cognition, mood, and behavior. Unfortunately, the diagnosis of CTE can only be made post-mortem. Neuropathological evidence suggests limbic structures may provide an opportunity to characterize CTE in the living. Using 3 T magnetic resonance imaging, we compared select limbic brain regional volumes - the amygdala, hippocampus, and cingulate gyrus - between symptomatic former National Football League (NFL) players (n = 86) and controls (n = 22)...
May 19, 2018: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/29779060/three-way-dna-junction-based-platform-for-ultra-sensitive-fluorometric-detection-of-multiple-metal-ions-as-exemplified-for-cu-ii-mg-ii-and-pb-ii
#3
Wen Yun, Xiaoqing Du, Junsheng Liao, Ge Sang, Lin Chen, Ning Li, Lizhu Yang
A DNA-based fluorometric method is described for simultaneous determination of multiple metal ions. It is based on recycling cleavage of hairpins by using a three-way DNA junction structure. Three DNA sequences containing a binding region and an enzyme-strand (E-DNA) region are hybridized to form a three-way DNA junction. The enzyme strand regions at the end of the DNA sequence binds to the substrate sequence (S-DNA) at the loop of the hairpin to form typical DNAzyme structures. In the presence of analyte metal ions, the DNAzyme structure thus formed cleaves the loop of hairpins...
May 20, 2018: Mikrochimica Acta
https://www.readbyqxmd.com/read/29779035/combined-coronary-artery-bypass-graft-cabg-surgery-and-lung-resection-for-lung-cancer-in-patients-more-than-50-years-of-age
#4
Ban Liu, Chao Chen, Chang Gu, Qianfan Li, Jingjing Liu, Yiwei Pu, Yu Lin, Zilun Wei, Zhi Li, Yangyang Zhang
BACKGROUND The co-existence of coronary heart disease (CHD) and lung cancer is increasing in an increasingly aging population. The aim of this study was to evaluate patient outcome from combined off-pump coronary artery bypass graft (CABG) surgery and lung resection in patients more than 50 years-of-age. MATERIAL AND METHODS A retrospective clinical study of 23 patients with a mean age of 70.2±8.4 years (range, 51-86 years) included 18 men and five women with CHD and lung cancer who underwent a single operation with combined off-pump CABG surgery and lung resection, for non-small cell lung cancer (NSCLC) (n=22) and small cell lung cancer (n=1)...
May 20, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29778986/breaking-through-the-dilemma-of-whether-to-continue-nursing-newly-graduated-nurses-experiences-of-work-challenges
#5
Hwey-Fang Liang, Chun-Chih Lin, Kuang-Ming Wu
BACKGROUND: Newly graduated nurses (NGNs) often encounter unique work challenges. PURPOSE: To discover Taiwanese NGNs' experiences of work challenges. METHOD: An interpretive qualitative design was chosen. In-depth interviews were completed with 25 NGNs working in clinical settings in Taiwan. Data were analyzed using content analysis. RESULTS: The essential structure of NGNs' experiences of work challenges was described as struggling and breaking through the dilemma of deciding whether to continue nursing or quit...
May 4, 2018: Nurse Education Today
https://www.readbyqxmd.com/read/29778815/photodegradation-of-atrazine-in-the-presence-of-indole-3-acetic-acid-and-natural-montmorillonite-clay-minerals
#6
Lin Zhang, Haoting Tian, Ran Hong, Chao Wang, Yi Wang, Anping Peng, Cheng Gu
Atrazine (2-chloro-4-ethylamino-6-isopropylamino-s-triazine) is a commonly used agricultural herbicide that, as a result, is frequently detected in surface and ground water. In this study, we provide evidence of the photo-oxidation of atrazine under environmentally relevant conditions, specifically, in the presence of natural montmorillonite clay and the ubiquitous phytohormone indole-3-acetic acid (IAA). The reaction is initiated by the generation of hydrated electrons from the photo-ionization of IAA. These electrons react with protons and dissolved oxygen to form hydroxyl radicals, which promote the further degradation of atrazine...
May 17, 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29778748/protein-kinases-are-involved-in-the-cardioprotective-effects-activated-by-platelet-glycoprotein-iib-iiia-inhibitor-tirofiban-at-reperfusion-in-rats-in-vivo
#7
Shih-Tai Chang, Ya-Ting Yang, Chi-Ming Chu, Kuo-Li Pan, Jen-Te Hsu, Ju-Feng Hsiao, Yu-Sheng Lin, Chang-Min Chung
The thrombolytic effect of platelet glycoprotein IIb/IIIa inhibitors (GP IIb/IIIa inhibitors) in myocardial infarction has been well established. Nevertheless, data on the mechanism of the cardioprotective effect of GP IIb/IIIa inhibitors in ischemic-reperfusion injury (IR) are lacking. Sprague-Dawley rats received 120min of coronary ischemia and 180min of reperfusion. A GP IIb/IIIa inhibitor was given via continuous intravenous infusion at a rate of 2 ug/kg/min 30min prior to reperfusion with/without inhibitors of PKCε (chelerythrine), PI3 kinase and Akt (wortmannin), p38 MAPK (SB203582), p42/44 MAPK (PD98059) and ERK1/2 (u0126) 15min prior to the GP IIb/IIIa inhibitor...
May 17, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29778573/metabolites-from-the-endophytic-fungus-cylindrocarpon-sp-isolated-from-tropical-plant-sapium-ellipticum
#8
Ramsay S T Kamdem, Wafo Pascal, Nidja Rehberg, Lasse van Geelen, Simon-Patrick Höfert, Tim-Oliver Knedel, Christoph Janiak, Parichat Sureechatchaiyan, Matthias U Kassack, Wenhan Lin, Rainer Kalscheuer, Zhen Liu, Peter Proksch
Three new polyketides, cylindrocarpones A-C (1-3), two new pyridone alkaloids, cylindrocarpyridones A-B (5-6), a new pyrone cylindropyrone (7), together with seven know compounds were isolated from the endophytic fungus, Cylindrocarpon sp., obtained from the tropical plant Sapium ellipticum. The structures of the new compounds were elucidated by extensive analysis of their spectroscopic data (1D and 2D NMR, HRESIMS). The absolute configuration of 19-O-methyl-pyrrocidine B (13) was confirmed by X-ray analysis...
May 17, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29778550/the-factors-associated-with-negative-colonoscopy-in-screening-subjects-with-positive-immunochemical-stool-occult-blood-test-outcomes
#9
Po-Hsiang Ting, Xi-Hsuan Lin, Jeng-Kai Jiang, Jiing-Chyuan Luo, Ping-Hsien Chen, Yen-Po Wang, I-Fang Hsin, Chin Lin Perng, Ming-Chih Hou, Fa-Yauh Lee
BACKGROUND: The immunochemical fecal occult blood test (iFOBT) is an alternative method to colonoscopy that can be used for colorectal cancer (CRC) screening. If the iFOBT result is positive, a colonoscopy is recommended. In this retrospective study, we identify factors associated with negative colonoscopy and positive iFOBT results obtained during CRC screening. METHODS: We collected data for subjects who received a colonoscopy at Taipei Veterans General Hospital after receiving a positive iFOBT result during CRC screening from January 2015 to December 2015...
May 16, 2018: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29778319/anti-infective-biomaterials-with-surface-decorated-tachyplesin-i
#10
Qiong Xue, Xiao-Bin Liu, Yeh-Hsing Lao, Lin-Ping Wu, Dong Wang, Zhen-Qiang Zuo, Jun-Yu Chen, Jing Hou, Yuan-Yuan Bei, Xue-Fei Wu, Kam W Leong, Hua Xiang, Jing Han
Implants decorated with antimicrobial peptides (AMPs) can prevent infection and reduce the risk of creating antibiotic resistance. Yet the restricted mobility of surficial AMP often compromises its activity. Here, we report a simple but effective strategy to allow a more flexible display of AMP on the biomaterial surface and demonstrate its efficacy for wound healing. The AMP, tachyplesin I (Tac), is tagged with the polyhydroxyalkanoate-granule-associated protein (PhaP) and immobilized on haloarchaea-produced poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBHV) via hydrophobic interaction...
May 9, 2018: Biomaterials
https://www.readbyqxmd.com/read/29778240/the-autonomic-neural-mechanism-of-right-ventricular-outflow-tract-tachycardia
#11
Hung-Yu Chang, Li-Wei Lo, Yu-Ruey Chen, Yu-Hui Chou, Wei-Lun Lin, Yenn-Jiang Lin, Wei-Hsian Yin, An-Ning Feng, Shih-Ann Chen
BACKGROUND: Ventricular tachycardia (VT) and ventricular premature complexes (VPCs) originating from the right ventricular outflow tract (RVOT) are generally considered as benign arrhythmias, with ECG morphology showing LBBB pattern and inferior axis. Pathogenic mechanisms in the genesis of RVOT VT/VPC remain largely unknown. We aimed to investigate the neural mechanism in RVOT ventricular arrhythmias in canine model. METHODS: Twelve mongrel dogs (13.7 ± 1...
July 2018: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29778223/circadian-and-irradiance-effects-on-expression-of-antenna-protein-genes-and-pigment-contents-in-dinoflagellate-prorocentrum-donghaiense-dinophycae
#12
Xinguo Shi, Ling Li, Senjie Lin
PCP and acpPC are the two major antennae proteins that bind pigments in peridinin-containing dinoflagellates. The relationship between antennae proteins and cellular pigments at molecular level is still poorly understood. Here we identified and characterized the two antennae protein genes in dinoflagellate Prorocentrum donghaiense under different light conditions. The mature PCP protein was 32 kDa, while acpPC was a polyprotein each of 19 kDa. Both genes showed higher expression under low light than under high light, suggesting their possible role in a low light adaptation mechanism...
May 2018: Harmful Algae
https://www.readbyqxmd.com/read/29778144/effects-of-tourmaline-on-nitrogen-removal-performance-and-biofilm-structures-in-the-sequencing-batch-biofilm-reactor
#13
Chong Tan, Haoran Xu, Di Cui, Jinlong Zuo, Junsheng Li, Yubin Ji, Shan Qiu, Lin Yao, Ying Chen, Yingjie Liu
The effects of tourmaline on nitrogen removal performance and biofilm structures were comparatively investigated in two identical laboratory-scale sequencing batch biofilm reactors (SBBRs) (denoted SBBR1 and SBBR2) at different nitrogen loading rates (NLRs) varying from (0.24±0.01) to (1.26±0.02) g N/(L·day). SBBR1 was operated in parallel with SBBR2, but SBBR1 was filled with polyurethane foam loaded tourmaline (TPU) carriers and another (SBBR2) filled with polyurethane foam (PU) carriers. Results obtained from this study showed that the excellent and stable performance of SBBR1 was obtained...
May 2018: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/29777907/novel-snps-of-wnk1-and-akr1c3-are-associated-with-preeclampsia
#14
Cheng-Juan Sun, Lin Li, Xueyan Li, Wei-Yuan Zhang, Xiao-Wei Liu
Preeclampsia is a hypertensive disorder of pregnancy and is one of the most common causes of poor perinatal outcomes. Preeclampsia increases the risk of hypertension in the future. Variants of WNK1 (lysine deficient protein kinase 1), ADRB2 (β2 adrenergic receptor), NEDD4L (ubiquitin-protein ligase NEDD4-like), KLK1 (kallikrein 1) contribute to hypertension, and AKR1C3 (aldo-keto reductase family1 member C3), is associated with preeclampsia. The association of single nucleotide polymorphisms (SNPs) in these five candidate preeclampsia susceptibility genes and the related traits in Chinese individuals were investigated...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777830/occurrence-spatial-distribution-and-seasonal-variation-of-emerging-trace-organic-pollutants-in-source-water-for-shanghai-china
#15
Sainan Sun, Yanan Chen, Yujin Lin, Dong An
The long-term low concentrations of trace "contaminants of emerging concern" (CECs) can have potential toxic effects on human health and serious risks to the ecological environment. This study investigated the occurrence, spatial distributions, and seasonal variations of 65 target CECs, including 35 pesticides, 17 antibiotics, 7 microcystins, 5 estrogens, and 1 plasticizers in Shanghai's source water. The detected pesticides and antibiotics of sulfonamides and macrolides were relatively ubiquitous in source water of Shanghai, with levels decreasing in the following order: pesticides (average (avg...
May 16, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29777796/identification-of-a-sodium-pump-na-k-atpase-%C3%AE-1-targeted-peptide-for-pet-imaging-of-breast-cancer
#16
Qian Wang, Shi-Bing Li, Yi-Ying Zhao, Da-Nian Dai, Hui Du, Yan-Zhu Lin, Jia-Cong Ye, Jing Zhao, Wei Xiao, Yan Mei, Yi-Tai Xiao, Shi-Chu Liu, Yan Li, Yun-Fei Xia, Er-Wei Song, Gang-Hua Tang, Wei-Guang Zhang, Zhi-Jiang Li, Xiao-Bin Zheng, De-Hai Cao, Man-Zhi Li, Qian Zhong, Zhong-Ping Chen, Chao-Nan Qian, Wei Fan, Guo-Kai Feng, Mu-Sheng Zeng
The sodium pump Na+ /K+ ATPase a1 subunit(NKA a1), an attractive cancer-related biomarker and therapeutic target, is closely related to the development and progression of several cancers including breast cancer. Currently, a NKA a1 inhibitor, UNBS1450, has already evidenced its great therapeutic potential in personalized cancer treatment. The ability of non-invasive imaging of NKA a1 expression would be useful for selecting cancer patients who may benefit from this drug. Here, we identified an S3 peptide that is specifically homed to breast cancer by phage display...
May 16, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29777793/homocysteine-induces-vascular-inflammatory-response-via-smad7-hypermethylation-in-human-umbilical-vein-smooth-muscle-cells
#17
Li-Hua Wei, Nai-Xia Chao, Si Gao, Ya-Ting Yu, Lin Shi, Xin-Bo Ma, Na Liao, Ke Lan, Yu Luo, Zheng-Yi Xie, Yuan-Yuan Li
Homocysteine (Hcy) can induce atherosclerosis through the inflammatory response and DNA methylation disorder. Our recent study has reported a novel epigenetic modified gene related to atherosclerosis -SMAD7. To further understand the pathogenesis of atherosclerosis, the current study was designed to investigate an inflammatory role of Hcy in human umbilical vein smooth muscle cells (HUVSMCs) through interfering with SMAD7 methylation. Using MALDI-TOF MS, we found that Hcy increased DNA methylation levels of SMAD7 promoter in a dose and time-dependent manner in HUVSMCs...
May 16, 2018: Microvascular Research
https://www.readbyqxmd.com/read/29777616/regenerative-endodontics-a-review
#18
REVIEW
S G Kim, M Malek, A Sigurdsson, L M Lin, B Kahler
The European Society of Endodontology and the American Association for Endodontists have released position statements and clinical considerations for regenerative endodontics. There is increasing literature on this field since the initial reports of Iwaya et al. (2001) and Banchs & Trope (2004). Endogenous stem cells from an induced periapical bleeding and scaffolds using blood clot, platelet rich plasma or platelet rich fibrin have been utilized in regenerative endodontics. This approach has been described as a 'paradigm shift" and considered the first treatment option for immature teeth with pulp necrosis...
May 19, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29777576/glioblastoma-recurrence-correlates-with-nlgn3-levels
#19
Rui Liu, Xing-Ping Qin, Yang Zhuang, Ya Zhang, Hua-Bao Liao, Jun-Chun Tang, Meng-Xian Pan, Fei-Fei Zeng, Yang Lei, Rui-Xue Lei, Shu Wang, An-Chun Liu, Juan Chen, Zhi-Feng Zhang, Dan Zhao, Song-Lin Wu, Ren-Zhong Liu, Ze-Fen Wang, Qi Wan
Glioblastoma (GBM) is the most aggressive glioma in the brain. Recurrence of GBM is almost inevitable within a short term after tumor resection. In a retrospective study of 386 cases of GBM collected between 2013 and 2016, we found that recurrence of GBM mainly occurs in the deep brain regions, including the basal ganglia, thalamus, and corpus callosum. But the mechanism underlying this phenomenon is not clear. Previous studies suggest that neuroligin-3 (NLGN3) is necessary for GBM growth. Our results show that the levels of NLGN3 in the cortex are higher than those in the deep regions in a normal human brain, and similar patterns are also found in a normal mouse brain...
May 18, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29777536/periodontitis-and-dental-scaling-associated-with-pyogenic-liver-abscess-a-population-based-case-control-study
#20
Y-T Yeh, B-Y Wang, C-W Lin, S-F Yang, S-W Ho, H-W Yeh, J-Y Huang, Y-C Chang, C-B Yeh
BACKGROUND AND OBJECTIVES: The purpose of this study was to investigate the relationship between periodontitis, dental scaling (DS) and pyogenic liver abscesses (PLAs). MATERIAL AND METHODS: A nationwide population-based case-control study was applied using data from the National Health Insurance Research Database in Taiwan. We identified and enrolled 691 PLA patients, who were individually matched by age and sex to 2764 controls. RESULTS: Conditional logistic regression was applied to estimate adjusted odds ratios (aORs) in patients with exposure to periodontitis and DS before PLA...
May 18, 2018: Journal of Periodontal Research
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