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https://www.readbyqxmd.com/read/28335590/roles-of-budding-yeast-hrr25-in-recombination-and-sporulation
#1
Min-Su Lee, Jeong Hwan Joo, Keunpil Kim
Hrr25, a casein kinase 1 δ/ε homolog in budding yeast, is essential to set up mono-orientation of sister kinetochores during meiosis. Hrr25 kinase activity coordinates sister chromatid cohesion via cohesin phosphorylation. Here, we investigated the prophase roles of Hrr25 using the auxin-inducible degron system and by ectopic expression of Hrr25 during yeast meiosis. Hrr25 mediates nuclear division in meiosis I but does not affect DNA replication. We also found that initiation of meiotic double-strand breaks as well as joint molecule formation were normal in HRR25-deficient cells...
March 24, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28335587/neuronatin-is-associated-with-anti-inflammatory-role-in-the-white-adipose-tissue
#2
Hye In Ka, Sora Han, Ae Lee Jeong, Sunyi Lee, Hyo Jeong Yong, Ariundavaa Boldbaatar, Hyun Jeong Joo, Su Jung Soh, Ji Young Park, Jong-Seok Lim, Myung Sok Lee, Young Yang
Neuronatin (NNAT) is known to regulate ion channels during brain development and plays a role in maintaining the structure of the nervous system. A previous in silico analysis showed that Nnat was overexpressed in the adipose tissue of an obese rodent model relative to the wild-type. Therefore, the aim of the present study was to investigate the function of Nnat in the adipose tissue. Because obesity is known to systemically induce low-grade inflammation, the Nnat expression level was examined in the adipose tissue obtained from C57BL/6 mice administered lipopolysaccharide (LPS)...
March 24, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28335480/weighted-kernel-entropy-component-analysis-for-fault-diagnosis-of-rolling-bearings
#3
Hongdi Zhou, Tielin Shi, Guanglan Liao, Jianping Xuan, Jie Duan, Lei Su, Zhenzhi He, Wuxing Lai
This paper presents a supervised feature extraction method called weighted kernel entropy component analysis (WKECA) for fault diagnosis of rolling bearings. The method is developed based on kernel entropy component analysis (KECA) which attempts to preserve the Renyi entropy of the data set after dimension reduction. It makes full use of the labeled information and introduces a weight strategy in the feature extraction. The class-related weights are introduced to denote differences among the samples from different patterns, and genetic algorithm (GA) is implemented to seek out appropriate weights for optimizing the classification results...
March 18, 2017: Sensors
https://www.readbyqxmd.com/read/28335351/modified-nanoemulsions-with-iron-oxide-for-magnetic-resonance-imaging
#4
Yongyi Fan, Rui Guo, Xiangyang Shi, Steven Allen, Zhengyi Cao, James R Baker, Su He Wang
A nanoemulsion (NE) is a surfactant-based, oil-in-water, nanoscale, high-energy emulsion with a mean droplet diameter of 400-600 nm. When mixed with antigen and applied nasally, a NE acts as a mucosal adjuvant and induces mucosal immune responses. One possible mechanism for the adjuvant effect of this material is that it augments antigen uptake and distribution to lymphoid tissues, where the immune response is generated. Biocompatible iron oxide nanoparticles have been used as a unique imaging approach to study the dynamics of cells or molecular migration...
November 25, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335286/enhanced-end-contacts-by-helium-ion-bombardment-to-improve-graphene-metal-contacts
#5
Kunpeng Jia, Yajuan Su, Jun Zhan, Kashif Shahzad, Huilong Zhu, Chao Zhao, Jun Luo
Low contact resistance between graphene and metals is of paramount importance to fabricate high performance graphene-based devices. In this paper, the impact of both defects induced by helium ion (He⁺) bombardment and annealing on the contact resistance between graphene and various metals (Ag, Pd, and Pt) were systematically explored. It is found that the contact resistances between all metals and graphene are remarkably reduced after annealing, indicating that not only chemically adsorbed metal (Pd) but also physically adsorbed metals (Ag and Pt) readily form end-contacts at intrinsic defect locations in graphene...
August 26, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335225/enhancing-the-photocurrent-of-top-cell-by-ellipsoidal-silver-nanoparticles-towards-current-matched-gainp-gainas-ge-triple-junction-solar-cells
#6
Yiming Bai, Lingling Yan, Jun Wang, Lin Su, Zhigang Yin, Nuofu Chen, Yuanyuan Liu
A way to increase the photocurrent of top-cell is crucial for current-matched and highly-efficient GaInP/GaInAs/Ge triple-junction solar cells. Herein, we demonstrate that ellipsoidal silver nanoparticles (Ag NPs) with better extinction performance and lower fabrication temperature can enhance the light harvest of GaInP/GaInAs/Ge solar cells compared with that of spherical Ag NPs. In this method, appropriate thermal treatment parameters for Ag NPs without inducing the dopant diffusion of the tunnel-junction plays a decisive role...
May 25, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335204/multifunctional-inorganic-nanoparticles-recent-progress-in-thermal-therapy-and-imaging
#7
REVIEW
Kondareddy Cherukula, Kamali Manickavasagam Lekshmi, Saji Uthaman, Kihyun Cho, Chong-Su Cho, In-Kyu Park
Nanotechnology has enabled the development of many alternative anti-cancer approaches, such as thermal therapies, which cause minimal damage to healthy cells. Current challenges in cancer treatment are the identification of the diseased area and its efficient treatment without generating many side effects. Image-guided therapies can be a useful tool to diagnose and treat the diseased tissue and they offer therapy and imaging using a single nanostructure. The present review mainly focuses on recent advances in the field of thermal therapy and imaging integrated with multifunctional inorganic nanoparticles...
April 18, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335185/nanomaterials-for-biosensing-applications
#8
EDITORIAL
Sichao Hou, Aiying Zhang, Ming Su
Nanomaterials have shown tremendous potentials to impact the broad field of biological sensing. Nanomaterials, with extremely small sizes and appropriate surface modifications, allow intimate interaction with target biomolecules. [...].
March 30, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335099/endoscopic-treatment-of-diverse-complications-caused-by-laparoscopic-adjustable-gastric-banding-a-study-in-eastern-asia
#9
Su Young Kim, Kyong Yong Oh, Jun-Won Chung, Yoon Jae Kim, Kyoung Oh Kim, Kwang An Kwon, Dong Kyun Park, Kyoung Kon Kim, Seong Min Kim
Background/Aims: The use of laparoscopic adjustable gastric banding (LAGB) is increasing proportionally with the obesity epidemic. However, some postoperative complications have been highlighted as major problems associated with LAGB. There is no consensus concerning the endoscopic management of these adverse events. The aim of this study was to retrospectively review the feasibility and effectiveness of endoscopic treatment for LAGB complications. Methods: We retrospectively evaluated 352 patients who underwent LAGB between 2011 and 2015...
March 24, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28334955/the-schizosaccharomyces-pombe-ppr-protein-ppr10-associates-with-a-novel-protein-mpa1-and-acts-as-a-mitochondrial-translational-activator
#10
Yirong Wang, Jianhua Yan, Qingzhen Zhang, Xuting Ma, Juan Zhang, Minghui Su, Xiaojun Wang, Ying Huang
The pentatricopeptide repeat (PPR) proteins characterized by tandem repeats of a degenerate 35-amino-acid motif function in all aspects of organellar RNA metabolism, many of which are essential for organellar gene expression. In this study, we report the characterization of a fission yeast Schizosaccharomyces pombe PPR protein, Ppr10 and a novel Ppr10-associated protein, designated Mpa1. The ppr10 deletion mutant exhibits growth defects in respiratory media, and is dramatically impaired for viability during the late-stationary phase...
February 22, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334912/ccnet-database-of-co-expression-networks-with-functional-modules-for-diploid-and-polyploid-gossypium
#11
Qi You, Wenying Xu, Kang Zhang, Liwei Zhang, Xin Yi, Dongxia Yao, Chunchao Wang, Xueyan Zhang, Xinhua Zhao, Nicholas J Provart, Fuguang Li, Zhen Su
No abstract text is available yet for this article.
December 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334891/rad51-interconnects-between-dna-replication-dna-repair-and-immunity
#12
Souparno Bhattacharya, Kalayarasan Srinivasan, Salim Abdisalaam, Fengtao Su, Prithvi Raj, Igor Dozmorov, Ritu Mishra, Edward K Wakeland, Subroto Ghose, Shibani Mukherjee, Aroumougame Asaithamby
RAD51, a multifunctional protein, plays a central role in DNA replication and homologous recombination repair, and is known to be involved in cancer development. We identified a novel role for RAD51 in innate immune response signaling. Defects in RAD51 lead to the accumulation of self-DNA in the cytoplasm, triggering a STING-mediated innate immune response after replication stress and DNA damage. In the absence of RAD51, the unprotected newly replicated genome is degraded by the exonuclease activity of MRE11, and the fragmented nascent DNA accumulates in the cytosol, initiating an innate immune response...
February 21, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28334252/individualized-prediction-of-reading-comprehension-ability-using-gray-matter-volume
#13
Zaixu Cui, Mengmeng Su, Liangjie Li, Hua Shu, Gaolang Gong
Reading comprehension is a crucial reading skill for learning and putatively contains 2 key components: reading decoding and linguistic comprehension. Current understanding of the neural mechanism underlying these reading comprehension components is lacking, and whether and how neuroanatomical features can be used to predict these 2 skills remain largely unexplored. In the present study, we analyzed a large sample from the Human Connectome Project (HCP) dataset and successfully built multivariate predictive models for these 2 skills using whole-brain gray matter volume features...
March 10, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28334169/characterization-of-saccharomyces-uvarum-beijerinck-1898-and-related-hybrids-assessment-of-molecular-markers-that-predict-the-parent-and-hybrid-genomes-and-a-proposal-to-name-yeast-hybrids
#14
Huu-Vang Nguyen, Teun Boekhout
The use of the nuclear-DNA re-association technique has led taxonomists to consider Saccharomyces uvarum a synonym of S. bayanus. The latter, however, is not a species but a hybrid harbouring S. eubayanus (Seu) and S. uvarum (Su) sub-genomes with a minor DNA contribution from S. cerevisiae (Sc). To recognize genetically pure lines of S. uvarum and putative interspecies hybrids among so-called S. bayanus strains present in public culture collections, we propose the use of four markers that were defined from the S...
March 3, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28334112/human-mitochondrial-pyrroline-5-carboxylate-reductase-1-promotes-invasiveness-and-impacts-survival-in-breast-cancers
#15
Jiefeng Ding, Mei-Ling Kuo, Leila Su, Lijun Xue, Frank Luh, Hang Zhang, Jianghai Wang, Tiffany G Lin, Keqiang Zhang, Peiguo Chu, Shu Zheng, Xiyong Liu, Yun Yen
Human mitochondrial pyrroline-5-carboxylate reductase (PYCR) is a house keeping enzyme that catalyzes the reduction of ?1-pyrroline-5-carboxylate (P5C) to proline. This enzymatic cycle plays pivotal roles in amino acid metabolism, intracellular redox potential, and mitochondrial integrity. Here, we hypothesize that PYCR1 might be a novel prognostic biomarker and therapeutic target for breast cancer. In this study, breast cancer tissue samples were obtained from Zhejiang University (ZJU set). Immunohistochemistry analysis was performed to detect the protein level of PYCR1, and Kaplan-Meier and Cox proportional analyses were employed in this outcome study...
February 24, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28334068/the-dyslexia-susceptibility-protein-kiaa0319-inhibits-axon-growth-through-smad2-signaling
#16
Filipa Franquinho, Joana Nogueira-Rodrigues, Joana M Duarte, Sofia S Esteves, Christin Carter-Su, Anthony P Monaco, Zoltán Molnár, Antonio Velayos-Baeza, Pedro Brites, Mónica M Sousa
KIAA0319 is a transmembrane protein associated with dyslexia with a presumed role in neuronal migration. Here we show that KIAA0319 expression is not restricted to the brain but also occurs in sensory and spinal cord neurons, increasing from early postnatal stages to adulthood and being downregulated by injury. This suggested that KIAA0319 participates in functions unrelated to neuronal migration. Supporting this hypothesis, overexpression of KIAA0319 repressed axon growth in hippocampal and dorsal root ganglia neurons; the intracellular domain of KIAA0319 was sufficient to elicit this effect...
February 17, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28334067/response-of-the-formosan-subterranean-termite-to-neighboring-con-specific-populations-after-baiting-with-noviflumuron
#17
Sarah Bernard, Weste Osbrink, Nan-Yao Su
Coptotermes formosanus Shiraki are economically important subterranean termites, particularly in the Southeastern United States where they are considered invasive. Where two C. formosanus populations met, aggressive encounters resulted in blockages in tunnels, but reinvading termites unblocked obstructions or constructed new tunnels. Experiments in planar arenas in which one population of C. formosanus was baited resulted in elimination of baited termites and subsequent reinvasion of territory by neighboring termites...
February 28, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28334037/ang1-treatment-reduces-muscle-pathology-and-prevents-a-decline-in-perfusion-in-dmd-mice
#18
Kelly M Gutpell, Nikola Tasevski, Boaz Wong, William Thomas Hrinivich, Feng Su, Jennifer Hadway, Lise Desjardins, Ting-Yim Lee, Lisa Marie Hoffman
Vascular endothelial growth factor (VEGF) and other pro-angiogenic growth factors have been investigated to enhance muscle tissue perfusion and repair in Duchenne muscular dystrophy (DMD). Current understanding is limited by a lack of functional data following in vivo delivery of these growth factors. We previously used dynamic contrast-enhanced computed tomography to monitor disease progression in murine models of DMD, but no study to date has utilized this imaging technique to assess vascular therapy in a preclinical model of DMD...
2017: PloS One
https://www.readbyqxmd.com/read/28333991/prognostic-impact-of-diabetes-mellitus-on-hepatocellular-carcinoma-special-emphasis-from-the-bclc-perspective
#19
Yu-Wen Su, Po-Hong Liu, Chia-Yang Hsu, Yun-Hsuan Lee, Cheng-Yuan Hsia, Shu-Yein Ho, Ming-Chih Hou, Harn-Shen Chen, Teh-Ia Huo
BACKGROUND: Diabetes mellitus (DM) is associated with higher incidence and poorer prognosis of hepatocellular carcinoma (HCC). The influence of DM on patient survival in different HCC stages is not known. METHODS: A prospective dataset of 3,182 HCC patients was collected between 2002 and 2014. Patients were divided into three groups according to BCLC stages (BCLC stage 0 and stage A, BCLC stage B, BCLC stage C and stage D). We compared the cumulative survival rate of diabetic and non-diabetic patients in different BCLC groups...
2017: PloS One
https://www.readbyqxmd.com/read/28333979/the-interaction-between-fluid-status-and-angiopoietin-2-in-adverse-renal-outcomes-of-chronic-kidney-disease
#20
Yi-Chun Tsai, Yi-Wen Chiu, Hung-Tien Kuo, Jia-Jung Lee, Su-Chu Lee, Tzu-Hui Chen, Ming-Yen Lin, Shang-Jyh Hwang, Mei-Chuan Kuo, Ya-Ling Hsu, Hung-Chun Chen
BACKGROUND: Fluid overload is not only the characteristic but also an important complication in chronic kidney disease (CKD) patients. Angiopoietin-2 (Angpt2) disturbs endothelium and vessel permeability, which may induce fluid overload. The aim of this study is to examine the interaction between fluid status and Angpt2 in adverse renal outcomes of CKD. METHODS: This cohort study enrolled 290 patients with CKD stages 3-5 from January 2011 to December 2011 and followed up until December 2015...
2017: PloS One
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