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https://www.readbyqxmd.com/read/28639403/writing-with-fluid-structuring-hydrogels-with-micrometer-precision-by-afm-in-combination-with-nanofluidics
#1
Nicolas Helfricht, Andreas Mark, Marina Behr, Andreas Bernet, Hans-Werner Schmidt, Georg Papastavrou
Hydrogels have many applications in biomedical surface modification and tissue engineering. However, the structuring of hydrogels after their formation represents still a major challenge, in particular due to their softness. Here, a novel approach is presented that is based on the combination of atomic force microscopy (AFM) and nanofluidics, also referred to as FluidFM technology. Its applicability is demonstrated for supramolecular hydrogel films that are prepared from low-molecular weight hydrogelators, such as derivates of 1,3,5-benzene tricarboxamides (BTAs)...
June 22, 2017: Small
https://www.readbyqxmd.com/read/28639343/first-case-of-anaphylaxis-after-botulinum-toxin-type-a-injection
#2
I J Moon, S E Chang, S D Kim
Botulinum toxin type A (BTA) (also known as onabotulinum toxin A) injection is widely used in the field of cosmetic dermatology. Although a few adverse events related to intramuscular BTA injection have been reported, no life-threatening adverse reaction has been documented to date. We report a case of anaphylaxis induced by intramuscular BTA injection into the masseter muscles of a 35-year-old woman. She had previously received injections of the identical BTA product into the same muscles without incident...
June 21, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28637992/ten-year-clinical-observation-of-a-porcelain-laminate-veneer-seated-with-biological-tissue-adaptation-bta-technique
#3
Kenji Tsubota
This clinical report describes the use of biological tissue adaptation technique for placement of a porcelain laminate veneer in a 50-year-old woman. The author developed this prosthetic technique to facilitate alignment of gingival levels for esthetic purposes. The laminate veneer was seated on the maxillary central incisor with an adhesive system. Although the margin of the restoration overhangs, no gingival inflammation or recession has been observed during a follow-up period of 10 years and 9 months.
2017: Journal of Oral Science
https://www.readbyqxmd.com/read/28625838/comparison-of-time-to-detection-values-between-bact-alert-%C3%A2-virtuo%C3%A2-and-bact-alert-%C3%A2-3d-instruments-for-clinical-blood-cultures-samples
#4
Francesco Congestrì, Maria Federica Pedna, Michela Fantini, Michela Samuelli, Pasqua Schiavone, Arianna Torri, Stefania Bertini, Vittorio Sambri
OBJECTIVES: The early detection of bacteraemia and fungemia is of paramount importance to guide the antimicrobial therapy in septic patients. In this study the "time to detection" (TTD) values for the new blood culture system BacT/ALERT(®) VIRTUO™ (VIRTUO) was evaluated in 1462 positive clinical bottles and compared with the TTD identified for 1601 positive clinical bottles incubated in the BacT/ALERT(®) 3D (BTA 3D). METHODS: The most representative microorganisms isolated from bottles incubated in both blood culture systems were divided into 8 categories (in order of frequency): Coagulase-Negative-Staphylococci (CoNS), Escherichia coli, Enterobacteriaceae (other than E...
June 15, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28617821/supplementation-with-small-extracellular-vesicles-from-ovarian-follicular-fluid-during-in-vitro-production-modulates-bovine-embryo-development
#5
Juliano C da Silveira, Gabriella M Andrade, Maite Del Collado, Rafael V Sampaio, Juliano R Sangalli, Luciano A Silva, Fábio V L Pinaffi, Izabelle B Jardim, Marcelo C Cesar, Marcelo F G Nogueira, Aline S M Cesar, Luiz L Coutinho, Rinaldo W Pereira, Felipe Perecin, Flávio V Meirelles
Pregnancy success results from the interaction of multiple factors, among them are folliculogenesis and early embryonic development. Failure during these different processes can lead to difficulties in conception. Alternatives to overcome these problems are based on assisted reproductive techniques. Extracellular vesicles are cell-secreted vesicles present in different body fluids and contain bioactive materials, such as messenger RNA, microRNAs (miRNAs), and proteins. Thus, our hypothesis is that extracellular vesicles from follicular fluid from 3-6 mm ovarian follicles can modulate bovine embryo development in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28609200/significance-of-s100a8-s100a9-and-calprotectin-levels-in-bladder-cancer
#6
O Yasar, T Akcay, C Obek, F A Turegun
OBJECTIVES: Members of the S100 protein family, S100A8, S100A9 and their heterodimer complex known as calprotectin are thought to be involved not only in inflammatory pathways but also in tumorigenesis and cancer progression. Therefore, they have been widely studied in various types of cancer; however, there is limited knowledge about their role in bladder cancer. In this study, our aim was to determine the levels of S100A8 and S100A9 in the sera, and calprotectin levels in the sera and urines of bladder cancer patients and compare it to urinary BTA, a tumor marker that can be used in the diagnosis of bladder cancer...
June 13, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28551195/association-analysis-for-young-stock-survival-index-with-imputed-whole-genome-sequence-variants-in-nordic-holstein-cattle
#7
Xiaoping Wu, Bernt Guldbrandtsen, Ulrik Sander Nielsen, Mogens Sandø Lund, Goutam Sahana
Identification of the genetic variants associated with calf survival in dairy cattle will aid in the elimination of harmful mutations from the cattle population and the reduction of calf and young stock mortality rates. We used de-regressed estimated breeding values for the young stock survival (YSS) index as response variables in a genome-wide association study with imputed whole-genome sequence variants. A total of 4,610 bulls with estimated breeding values were genotyped with the Illumina BovineSNP50 (Illumina, San Diego, CA) single nucleotide polymorphism (SNP) genotyping array...
May 24, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28548557/further-examination-of-embedded-performance-validity-indicators-for-the-conners-continuous-performance-test-and-brief-test-of-attention-in-a-large-outpatient-clinical-sample
#8
Michael J Sharland, Stephen C Waring, Brian P Johnson, Allise M Taran, Travis A Rusin, Andrew M Pattock, Jeanette A Palcher
OBJECTIVE: Assessing test performance validity is a standard clinical practice and although studies have examined the utility of cognitive/memory measures, few have examined attention measures as indicators of performance validity beyond the Reliable Digit Span. The current study further investigates the classification probability of embedded Performance Validity Tests (PVTs) within the Brief Test of Attention (BTA) and the Conners' Continuous Performance Test (CPT-II), in a large clinical sample...
May 26, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28514309/a-randomized-controlled-trial-of-botulinum-toxin-a-for-treating-neuropathic-pain-in-patients-with-spinal-cord-injury
#9
RANDOMIZED CONTROLLED TRIAL
Gang Li, Chang-An Lv, Li Tian, Lian-Jin Jin, Ping Sun, Wei Zhao
BACKGROUND: To assess the effect of botulinum toxin A (BTA) for treating neuropathic pain in patients with spinal cord injury (SCI). METHODS: A total of 44 patients with SCI with neuropathic pain were randomly divided into the intervention group and the placebo group, each group 21 patients. The subjects in the intervention group received BTA (200 U subcutaneous injection, once daily) at the painful area, whereas those in the placebo group were administered a saline placebo...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28504253/dynamic-diversity-of-synthetic-supramolecular-polymers-in-water-as-revealed-by-hydrogen-deuterium-exchange
#10
Xianwen Lou, René P M Lafleur, Christianus M A Leenders, Sandra M C Schoenmakers, Nicholas M Matsumoto, Matthew B Baker, Joost L J van Dongen, Anja R A Palmans, E W Meijer
Numerous self-assembling molecules have been synthesized aiming at mimicking both the structural and dynamic properties found in living systems. Here we show the application of hydrogen/deuterium exchange (HDX) mass spectrometry (MS) to unravel the nanoscale organization and the structural dynamics of synthetic supramolecular polymers in water. We select benzene-1,3,5-tricarboxamide (BTA) derivatives that self-assemble in H2O to illustrate the strength of this technique for supramolecular polymers. The BTA structure has six exchangeable hydrogen atoms and we follow their exchange as a function of time after diluting the H2O solution with a 100-fold excess of D2O...
May 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28497442/-myths-and-evidence-on-the-use-of-botulinum-toxin-spasticity-in-adults-and-in-children-with-cerebral-palsy
#11
J C Martinez-Castrillo, J L Pena-Segura, P Sanz-Cartagena, X Alonso-Curco, J M Arbelo-Gonzalez, G Arriola-Pereda, M D Coll-Bosch, J A Conejero-Casares, A Garcia-Ribes, S Jauma-Classen, J Pagonabarraga, J Vidal-Valls, P J Garcia-Ruiz
INTRODUCTION: Spasticity is a medical problem with a high incidence that significantly impact on the quality of life of patients and their families. AIM: To analyze and to answer different questions about the use of botulinum toxin type A (BTA) in our clinical practice. DEVELOPMENT: A group of experts in neurology develop a list of topics related with the use of BTA. Two big groups were considered: spasticity in adults and in children with cerebral palsy...
May 16, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28494404/treatment-and-pattern-of-bone-metastases-in-1094-patients-with-advanced-breast-cancer-results-from-the-prospective-german-tumour-registry-breast-cancer-cohort-study
#12
Jan Schröder, Thomas Fietz, Andreas Köhler, Volker Petersen, Hans Tesch, Lisa Spring, Annette Fleitz, Martina Jänicke, Norbert Marschner
A high proportion of patients with breast cancer develop bone metastases, yet data on routine treatment with bone-targeted agents (BTA) are rare. We report real-life outcome data of patients with breast cancer metastasised to the bone treated by office-based oncologists in Germany. The ongoing, prospective, multicentre, population-based cohort study Tumour Registry Breast Cancer (TMK) was started in 2007 in 140 centres across Germany. This interim analysis of 1094 patients with bone metastases revealed differences among the tumour subtypes: at start of first-line therapy, 36% of the patients with hormone receptor (HR)-positive and only 20% of the patients with HR-negative tumours presented with bone-only metastasis...
May 8, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28485145/supramolecular-copolymers-structure-and-composition-revealed-by-theoretical-modeling
#13
Anindita Das, Ghislaine Vantomme, Albert J Markvoort, Huub M M Ten Eikelder, Miguel Garcia-Iglesias, Anja R A Palmans, E W Meijer
Supramolecular copolymers, non-covalent analogues of synthetic copolymers, constitute a new and promising class of polymers. In contrast to their covalent counterparts, the details of their mechanism of formation, as well as the factors determining their composition and length, are still poorly understood. Here, the supramolecular copolymerization between two slightly structurally different benzene-1,3,5-tricarboxamide (BTA) monomers functionalized with either oligodimethylsiloxane (oDMSi) or alkyl side chains is unraveled by combining experimental and theoretical approaches...
May 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28467969/analysis-of-bos-taurus-and-sus-scrofa-x-and-y-chromosome-transcriptome-highlights-reproductive-driver-genes
#14
Faheem Ahmed Khan, Hui Liu, Hao Zhou, Kai Wang, Muhammad Tahir Ul Qamar, Nuruliarizki Shinta Pandupuspitasari, Zhang Shujun
The biology of sperm, its capability of fertilizing an egg and its role in sex ratio are the major biological questions in reproductive biology. To answer these question we integrated X and Y chromosome transcriptome across different species: Bos taurus and Sus scrofa and identified reproductive driver genes based on Weighted Gene Co-Expression Network Analysis (WGCNA) algorithm. Our strategy resulted in 11007 and 10445 unique genes consisting of 9 and 11 reproductive modules in Bos taurus and Sus scrofa, respectively...
April 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28467708/novel-benzothiazole-derivatives-as-fluorescent-probes-for-detection-of-%C3%AE-amyloid-and-%C3%AE-synuclein-aggregates
#15
Hiroyuki Watanabe, Masahiro Ono, Taisuke Ariyoshi, Rikako Katayanagi, Hideo Saji
Deposits of β-amyloid (Aβ) and α-synuclein (α-syn) are the hallmark of Alzheimer's disease (AD) and Parkinson's disease (PD), respectively. The detection of these protein aggregates with fluorescent probes is particularly of interest for preclinical studies using fluorescence microscopy on human brain tissue. In this study, we newly designed and synthesized three push-pull benzothiazole (PP-BTA) derivatives as fluorescent probes for detection of Aβ and α-syn aggregates. Fluorescence intensity of all PP-BTA derivatives significantly increased upon binding to Aβ(1-42) and α-syn aggregates in solution...
May 3, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28464792/detection-and-comparison-of-micrornas-in-the-caprine-mammary-gland-tissues-of-colostrum-and-common-milk-stages
#16
Jinxing Hou, Xiaopeng An, Yuxuan Song, Binyun Cao, Heping Yang, Zhou Zhang, Wenzheng Shen, Yunpu Li
BACKGROUND: MicroRNAs (miRNAs) have a great influence on various physiological functions. A lot of high-throughput sequencing (HTS) research on miRNAs has been executed in the caprine mammary gland at different lactation periods (common milk lactation and dry period), but little is known about differentially expressed miRNAs in the caprine mammary gland of colostrum and peak lactation periods. RESULT: This study identified 131 differentially expressed miRNAs (P < 0...
May 2, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28464084/genomic-prediction-and-genome-wide-association-analysis-of-female-longevity-in-a-composite-beef-cattle-breed
#17
E Hamidi Hay, A Roberts
Longevity is a highly important trait to the efficiency of beef cattle production. The objective of this study was to evaluate the genomic prediction of longevity and identify genomic regions associated with this trait. The data used in this study consisted of 547 Composite Gene Combination cows (1/2 Red Angus, 1/4 Charolais, 1/4 Tarentaise) born from 2002 to 2011 genotyped with Illumina BovineSNP50 BeadChip. Three models were used to assess genomic prediction: Bayes A, Bayes B and GBLUP using a genomic relationship matrix...
April 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28460047/impact-of-the-ability-to-divide-attention-on-reading-performance-in-glaucoma
#18
Bonnielin K Swenor, Varshini Varadaraj, Paulomi Dave, Sheila K West, Gary S Rubin, Pradeep Y Ramulu
Purpose: To determine if the ability to divide attention affects the relationship between glaucoma-related vision loss and reading speed. Methods: Better eye mean deviation (MD), contrast sensitivity (CS), and better-eye distance visual acuity (VA) were measured in 28 participants with glaucoma and 21 controls. Reading speeds were assessed using MNRead, IRest, and sustained silent reading tests (words per minute, wpm). The ability to divide attention was measured using the Brief Test of Attention (BTA; scored 0-10)...
May 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28440381/lyotropic-meso-phase-behavior-of-supra-molecular-nanotubes-with-helical-charge-distribution
#19
Shenghui Wei, Weiheng Huang, Fengmei Su, Xiaoliang Tang, Ningdong Huang, Liangbin Li
We report diverse meso-phase arrangements of supra-molecular nanotubes assembled by ionic benzene-1,3,5-tricarboxamide (BTA) molecules in water; their transition pathway and equilibrium structure are controlled by the helical structure. Besides, the different sensitivity to the condition of initial solutions is revealed for the final rectangular phase and the intermediate phase.
April 25, 2017: Soft Matter
https://www.readbyqxmd.com/read/28434389/evaluation-of-the-protective-effect-of-botulinum-toxin-type-a-injection-on-otitis-media-with-effusion
#20
Ömer Faruk Çalım, Yavuz Selim Yıldırım, Remzi Doğan, Selhattin Tuğrul, Özge Gedik, Orhan Özturan
OBJECTIVE: This study makes an analysis of the effect of Botulinum toxin type A on otitis media with effusion in rats. METHOD: As part of the study, 24 male Wistar Albino rats were divided into three groups: Group 1: Botulinum toxin Type A and Histamıne (intratympanic 0.2 ml = 20 unit BTA); Group 2: Saline and Histamine (intratympanic 0.2 ml 0.9%); Group 3: Histamine (intratympanic 0.2 ml). Histamine (intratympanic 0.2 ml) was administered into the right ear for all groups...
April 22, 2017: Acta Oto-laryngologica
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