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https://www.readbyqxmd.com/read/28326089/dynamic-regulation-of-auxin-response-during-rice-development-revealed-by-newly-established-hormone-biosensor-markers
#1
Jing Yang, Zheng Yuan, Qingcai Meng, Guoqiang Huang, Christophe Périn, Charlotte Bureau, Anne-Cécile Meunier, Mathieu Ingouff, Malcolm J Bennett, Wanqi Liang, Dabing Zhang
The hormone auxin is critical for many plant developmental processes. Unlike the model eudicot plant Arabidopsis (Arabidopsis thaliana), auxin distribution and signaling in rice tissues has not been systematically investigated due to the absence of suitable auxin response reporters. In this study we observed the conservation of auxin signaling components between Arabidopsis and model monocot crop rice (Oryza sativa), and generated complementary types of auxin biosensor constructs, one derived from the Aux/IAA-based biosensor DII-VENUS but constitutively driven by maize ubiquitin-1 promoter, and the other termed DR5-VENUS in which a synthetic auxin-responsive promoter (DR5rev ) was used to drive expression of the yellow fluorescent protein (YFP)...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28318139/chronic-total-occlusion-is-associated-with-a-higher-incidence-of-malapposition-and-uncovered-stent-struts-oct-findings-at-6-months-following-des-implantation
#2
Haibo Jia, Sining Hu, Huimin Liu, Yinchun Zhu, Chun-Yang Zhe, Lulu Li, Irina Mustafina, Jingbo Hou, Shaosong Zhang, Bo Yu
OBJECTIVES: To compare stent coverage and malapposition in patients with chronic total occlusion (CTO) lesions and non-CTO lesions (including lipid-rich plaque [LRP] and non-lipid-rich plaque [non-LRP]) after drug-eluting stent (DES) implantation by optical coherence tomography (OCT). BACKGROUND: Different initial lesion characteristics may be related to heterogeneous vessel responses after DES implantation. However, the vessel response in patients with CTO and non-CTO lesions after stenting is unclear...
March 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28303501/isoflurane-postconditioning-inhibits-tpa-induced-matrix-metalloproteinases-activation-after-hypoxic-injury-via-low-density-lipoprotein-receptor-related-protein-and-extracellular-signal-regulated-kinase-pathway
#3
So Yeon Kim, So Yeong Cheon, Eun Jung Kim, Jae Hoon Lee, Eun Hee Kam, Jeong Min Kim, Miran Park, Bon-Nyeo Koo
Tissue plasminogen activator (tPA) is the only recommended pharmacological treatment for acute ischemic stroke. However, tPA can induce intracerebral hemorrhage by blood-brain barrier breakdown through an increase in matrix metalloproteinases (MMPs). Previously, we showed that isoflurane postconditioning reduced intracranial hemorrhage following tPA treatment after cerebral ischemia. Here, we investigated the mechanism by which isoflurane postconditioning reduces tPA-induced MMP-2 and MMP-9 activation following hypoxia/reoxygenation (H/R) in brain endothelial cells...
March 16, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28303113/neurophysiological-correlates-of-visual-dominance-a-lateralized-readiness-potential-investigation
#4
You Li, Mingxin Liu, Wei Zhang, Sai Huang, Bao Zhang, Xingzhou Liu, Qi Chen
When multisensory information concurrently arrives at our receptors, visual information often receives preferential processing and eventually dominates awareness and behavior. Previous research suggested that the visual dominance effect implicated the prioritizing of visual information into the motor system. In order to further reveal the underpinning neurophysiological mechanism of how visual information is prioritized into the motor system when vision dominates audition, the present study examined the time course of a particular motor activation ERP component, the lateralized readiness potential (LRP), during multisensory competition...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28298885/functional-roles-of-the-interaction-of-app-and-lipoprotein-receptors
#5
REVIEW
Theresa Pohlkamp, Catherine R Wasser, Joachim Herz
The biological fates of the key initiator of Alzheimer's disease (AD), the amyloid precursor protein (APP), and a family of lipoprotein receptors, the low-density lipoprotein (LDL) receptor-related proteins (LRPs) and their molecular roles in the neurodegenerative disease process are inseparably interwoven. Not only does APP bind tightly to the extracellular domains (ECDs) of several members of the LRP group, their intracellular portions are also connected through scaffolds like the one established by FE65 proteins and through interactions with adaptor proteins such as X11/Mint and Dab1...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28276244/recent-developments-in-the-synthesis-of-biomacromolecules-and-their-conjugates-by-set-lrp
#6
Gerard Lligadas, Silvia Grama, Virgil Percec
Single Electron Transfer-Living Radical Polymerization (SET-LRP) represents a robust and versatile tool for the synthesis of vinyl polymers with well-defined topology and chain end functionality. The crucial step in SET-LRP is the disproportionation of the Cu(I)X generated by activation with Cu(0) wire, powder, or nascent Cu(0) generated in situ into nascent, extremely reactive Cu(0) atoms and nanoparticles, and Cu(II)X2. Nascent Cu(0) activates the initiator and dormant chains via a homogeneous or heterogeneous outer-sphere single-electron transfer (SET-LRP) mechanism...
March 9, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28274609/tongxinluo-improves-the-cognition-by-reducing-%C3%AE-amyloid-accumulation-in-spontaneous-hypertensive-rats
#7
Yu-Lang Fei, Hong-Jun Lv, Yan-Bo Li, Jie Liu, Yi-Hua Qian, Wei-Na Yang, Kai-Ge Ma, Hong-Bao Li, Qiu-Min Qu
β-amyloid (Aβ) accumulation in the brain is the major pathophysiology of Alzheimer disease (AD). Hypertension is a risk factor for AD by promoting Aβ deposition. Traditional Chinese medicinal compound tongxinluo (TXL) can improve blood circulation and endothelium-dependent vasodilation. This study investigates the effects of TXL on cognition and Aβ accumulation using spontaneously hypertensive rats (SHRs). TXL was intragastrically administered to SHRs at low-dose, mid-dose and high-dose for 15, 30 or 60 days...
March 5, 2017: Brain Research
https://www.readbyqxmd.com/read/28261170/the-global-regulators-lrp-leuo-and-hexa-control-secondary-metabolism-in-entomopathogenic-bacteria
#8
Yvonne Engel, Carina Windhorst, Xiaojun Lu, Heidi Goodrich-Blair, Helge B Bode
Photorhabdus luminescens TTO1 and Xenorhabdus nematophila HGB081 are insect pathogenic bacteria and producers of various structurally diverse bioactive natural products. In these entomopathogenic bacteria we investigated the role of the global regulators Lrp, LeuO, and HexA in the production of natural products. Lrp is a general activator of natural product biosynthesis in X. nematophila and for most compounds in TTO1. Microarray analysis confirmed these results in X. nematophila and enabled the identification of additional biosynthesis gene clusters (BGC) regulated by Lrp...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28256585/lrp1-influences-trafficking-of-n-type-calcium-channels-via-interaction-with-the-auxiliary-%C3%AE-2%C3%AE-1-subunit
#9
Ivan Kadurin, Simon W Rothwell, Beatrice Lana, Manuela Nieto-Rostro, Annette C Dolphin
Voltage-gated Ca(2+) (CaV) channels consist of a pore-forming α1 subunit, which determines the main functional and pharmacological attributes of the channel. The CaV1 and CaV2 channels are associated with auxiliary β- and α2δ-subunits. The molecular mechanisms involved in α2δ subunit trafficking, and the effect of α2δ subunits on trafficking calcium channel complexes remain poorly understood. Here we show that α2δ-1 is a ligand for the Low Density Lipoprotein (LDL) Receptor-related Protein-1 (LRP1), a multifunctional receptor which mediates trafficking of cargoes...
March 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28228445/-osteotropic-wnt-lrp-signals-high-wire-artists-in-a-balancing-act-regulating-aortic-structure-and-function
#10
EDITORIAL
Dwight A Towler
No abstract text is available yet for this article.
March 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28216277/comparison-of-oncologic-outcomes-and-complications-according-to-surgical-approach-to-radical-prostatectomy-special-focus-on-the-perineal-approach
#11
Wan Song, Joon Hyung Park, Hwang Gyun Jeon, Byong Chang Jeong, Seong Il Seo, Seong Soo Jeon, Hyun Moo Lee, Han Yong Choi
INTRODUCTION: The objective of the study was to compare oncologic outcomes and complications in patients with prostate cancer who underwent radical perineal prostatectomy (RPP), radical retropubic prostatectomy (RRP), laparoscopic radical prostatectomy (LRP), or robotic-assisted radical prostatectomy (RARP). MATERIALS AND METHODS: We retrospectively reviewed 2617 patients who underwent RPP (n = 673), RRP (n = 396), LRP (n = 223), or RARP (n = 1325) between 1995 and 2013...
February 1, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28193424/a-hyperbranched-%C3%AE-d-glucan-with-compact-coil-conformation-from-lignosus-rhinocerotis-sclerotia
#12
Ting Hu, Qilin Huang, Kahing Wong, Hong Yang, Jingsi Gan, Yanru Li
An alkali-soluble polysaccharide was extracted from Lignosus rhinocerotis sclerotia (LRP). Its structural characteristics were determined by GC-MS, FT-IR, GC, 1D and 2D NMR combined with Smith degradation and methylation analysis. The LRP had a (1→3)-β-d-Glcp backbone with every three residues bearing a (1→6)-linked and hyperbranched side chain that contained three (1→6)-β-d-Glcp residues as secondary main chain and two terminal β-d-Glcp residues linked at O3. The degree of branching was 0.76 from GC-MS analysis, implying a highly branched structure for LRP...
June 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28174250/direct-conversion-of-root-primordium-into-shoot-meristem-relies-on-timing-of-stem-cell-niche-development
#13
Olga Rosspopoff, Liudmila Chelysheva, Julie Saffar, Lena Lecorgne, Delphine Gey, Erwann Caillieux, Vincent Colot, François Roudier, Pierre Hilson, Richard Berthomé, Marco Da Costa, Philippe Rech
To understand how the identity of an organ can be switched, we studied the transformation of lateral root primordia (LRP) into shoot meristems in Arabidopsis root segments. In this system, the cytokinin-induced conversion does not involve the formation of callus-like structures. Detailed analysis showed that the conversion sequence starts with a mitotic pause and is concomitant with the differential expression of regulators of root and shoot development. The conversion requires the presence of apical stem cells and only LRP at stages VI or VII can be switched...
February 7, 2017: Development
https://www.readbyqxmd.com/read/28169123/-robot-assisted-radical-prostatectomy-what-are-the-evidences-at-the-time-of-a-specific-funding
#14
J-A Long, G Poinas, G Fiard, M Leprêtre, C Delaitre-Bonnin, X Rébillard, J-L Descotes
INTRODUCTION: Despite a decreasing number of radical prostatectomies in France, the number of robot-assisted surgeries increases. The objective of this work is to assess the interest of robotic prostatectomy before asking a specific funding from health authorities. MATERIAL AND METHODS: A systematic review of the literature on PubMed was performed. Prospective studies and meta-analyses comparing robot-assisted radical prostatectomy (RARP), laparoscopic (LRP) and open surgery (OP) were selected...
February 3, 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28151034/sfrp3-and-dkk1-regulate-fibroblast-like-synoviocytes-markers-and-wnt-elements-expression-depending-on-cellular-context
#15
Dorra Elhaj Mahmoud, Nadia Sassi, Ghassen Drissi, Maher Barsaoui, Khaled Zitouna, Hela Sahli, Maryam Kallel-Sellami, Lassad Kanoun, Elhem Cheour, Lilia Laadhar
CONTEXT: Fibroblast-like synoviocytes (FLS) from rheumatoid arthritis (RA) display pathogenic behavior. Various members of the Wnt pathway, especially the canonical Wnt/β-catenin cascade, may contribute to autonomous RA FLS activation. It has been shown that the two Wnt inhibitors: sFRP3 and DKK1 contribute to several critical aspects of joint biology. However, their effects on RA FLS are poorly characterized. The aim of our study was to investigate the effects of sFRP3 and DKK1 on FLS markers, Wnt components, and target oncogenes expression by RA FLS and compare the findings to osteoarthritic (OA) FLS...
February 2, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28138262/clinical-efficacy-of-emollients-in-atopic-dermatitis-patients-relationship-with-the-skin-microbiota-modification
#16
Sophie Seité, Hana Zelenkova, Richard Martin
BACKGROUND: We speculated that an emollient supplemented with a biomass of nonpathogenic bacteria such as Vitreoscilla filiformis (Vf), grown in a medium containing thermal spring water (LRP-TSW); (LRP-Vitreoscilla filiformis biomass [LRP-VFB]), could have a beneficial effect for patients with atopic dermatitis (AD). PATIENTS AND METHODS: This double-blind, randomized, comparative study was conducted with 60 patients with moderate AD. Before starting the study, participants were pretreated for 15 days with drug therapy to improve their SCORing Atopic Dermatitis (SCORAD) by at least 25%...
2017: Clinical, Cosmetic and Investigational Dermatology
https://www.readbyqxmd.com/read/28130703/health-related-quality-of-life-after-robot-assisted-radical-prostatectomy-compared-with-laparoscopic-radical-prostatectomy
#17
Hiroyuki Koike, Yasuo Kohjimoto, Akinori Iba, Kazuro Kikkawa, Shimpei Yamashita, Takashi Iguchi, Nagahide Matsumura, Isao Hara
The objective of this study is to compare the quality of life (QOL) outcomes between laparoscopic radical prostatectomy (LRP) and robot-assisted radical prostatectomy (RARP). Between July 2007 and July 2013, 229 patients with localized prostate cancer underwent LRP while 105 patients with localized prostate cancer underwent RARP between December 2012 and August 2014. We evaluated their QOL using the 8-item Short-Form Health Survey (SF-8) and Expanded Prostate Cancer Index of Prostate (EPIC) questionnaires at preoperative and at postoperative 3, 6 and 12 months...
January 27, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28118986/igg1-is18-impedes-the-adhesive-and-invasive-potential-of-early-and-late-stage-malignant-melanoma-cells
#18
Carmelle Munien, Thalia M Rebelo, Eloise Ferreira, Stefan F T Weiss
The 37kDa/67kDa laminin receptor (LRP/LR) is a non-integrin laminin receptor which is overexpressed in tumorigenic cells and supports progression of cancer via promoting metastasis, angiogenesis and telomerase activity and impediment of apoptosis. The present study investigates the role of LRP/LR on the metastatic potential of early (A375) and late (A375SM) stage malignant melanoma cells. Flow cytometry revealed that both early and late stage malignant melanoma cells display high levels of LRP/LR on their cell surface...
February 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28117215/learning-curve-of-minimally-invasive-radical-prostatectomy-comprehensive-evaluation-and-cumulative-summation-analysis-of-oncological-outcomes
#19
Arjun Sivaraman, Rafael Sanchez-Salas, Dominique Prapotnich, Kaixin Yu, Fabien Olivier, Fernando P Secin, Eric Barret, Marc Galiano, François Rozet, Xavier Cathelineau
BACKGROUND AND OBJECTIVE: The primary objective was to evaluate the learning curve of minimally invasive radical prostatectomy (MIRP) in our institution and analyze the salient learning curve transition points regarding oncological outcomes. METHODS: Clinical, pathologic, and oncological outcome data were collected from our prospectively collected MIRP database to estimate positive surgical margin (PSM) and biochemical recurrence (BCR) trends during a 15-year period from 1998 to 2013...
January 20, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28109090/-three-dimensional-versus-two-dimensional-imaging-systems-in-laparoscopic-radical-prostatectomy-for-prostate-cancer-a-retrospective-cohort-study
#20
Kai-Qiang Tang, Shi-Yu Pang, Ji-Ming Bao, Cheng-Yong Lei, Wan-Long Tan
OBJECTIVE: To compare the perioperative, functional and oncologic outcomes of patients with prostate cancer receiving laparoscopic radical prostatectomy (LRP) using three-dimensional (3D) versus two-dimensional (2D) imaging systems. METHODS: From February, 2014 to January 2016, 72 consecutive patients with clinically localized prostate cancer underwent LRP with 2D or 3D imaging systems performed by a single experienced surgeon. The baseline characteristics, perioperative data, and functional and oncologic outcomes of the patients were collected and analyzed...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
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