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https://www.readbyqxmd.com/read/29775997/improved-acmg-compliant-in-silico-prediction-of-pathogenicity-for-missense-substitutions-encoded-by-tp53-variants
#1
Cristina Fortuno, Paul A James, Erin L Young, Bing Feng, Magali Olivier, Tina Pesaran, Sean V Tavtigian, Amanda B Spurdle
Clinical interpretation of germline missense variants represents a major challenge, including those in the TP53 Li-Fraumeni syndrome gene. Bioinformatic prediction is a key part of variant classification strategies. We aimed to optimize the performance of the Align-GVGD tool used for p53 missense variant prediction, and compare its performance to other bioinformatic tools (SIFT, PolyPhen-2) and ensemble methods (REVEL, BayesDel). Reference sets of assumed pathogenic and assumed benign variants were defined using functional and/or clinical data...
May 18, 2018: Human Mutation
https://www.readbyqxmd.com/read/29775793/analysis-of-dna-methylation-at-specific-loci-in-stool-samples-detects-colorectal-cancer-and-high-grade-dysplasia-in-patients-with-inflammatory-bowel-disease
#2
John B Kisiel, Pasquale Klepp, Hatim T Allawi, William R Taylor, Maria Giakoumopoulos, Tamara Sander, Tracy C Yab, Bjorn A Moum, Graham P Lidgard, Stephan Brackmann, Douglas W Mahoney, Arne Roseth, David A Ahlquist
BACKGROUND & AIMS: Patients with inflammatory bowel diseases (IBD), including ulcerative colitis (UC) and Crohn's disease (CD), are at increased risk for colorectal cancer (CRC). Analyses of DNA methylation patterns in stool samples have been reported to detect CRC in patients with IBD. We sought to validate these findings in larger cohorts and assess the accuracy of analysis of DNA methylation patterns in stool for detection of CRC and high-grade dysplasia (HGD) normalized to methylation level at ZDHHC1...
May 15, 2018: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29775746/anthropometric-measurements-and-mortality-in-frail-older-adults
#3
Jonathan F Easton, Christopher R Stephens, Heriberto Román-Sicilia, Matteo Cesari, Mario Ulises Pérez-Zepeda
BACKGROUND: As the number of older adults increases, so does the number of frail older adults. Although anthropometry has been widely used as a way to stratify the overall mortality risk of a person, the significance of these measurements becomes blurred in the case of frail older adults who have changes in body composition. Therefore, the aim of this study is to determine the association of anthropometric measurements (body mass index, knee-adjusted height body mass index, waist-to-hip ratio and calf circumference) with mortality risk in a group of older Mexican adults...
May 15, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29775625/reduction-sensitive-polymeric-nanomedicines-an-emerging-multifunctional-platform-for-targeted-cancer-therapy
#4
Huanli Sun, Yifan Zhang, Zhiyuan Zhong
The development of smart delivery systems that are robust in circulation and quickly release drugs following selective internalization into target cancer cells is a key to precision cancer therapy. Interestingly, reduction-sensitive polymeric nanomedicines showing high plasma stability and triggered cytoplasmic drug release behavior have recently emerged as one of the most exciting platforms for targeted delivery of various anticancer drugs including small chemical drugs, proteins, and nucleic acids. In vivo studies in varying tumor models reveal that these reduction-sensitive multifunctional nanomedicines outperform the currently used clinical formulations and reduction-insensitive counterparts, bringing about not only significantly enhanced tumor selectivity, accumulation and inhibition efficacy but also markedly reduced systemic toxicity and improved therapeutic index...
May 15, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29775572/gene-therapy-with-antisense-oligonucleotides-silencing-c-myc-reduces-neointima-formation-and-vessel-wall-thickness-in-a-mouse-model-of-vein-graft-disease
#5
Christina Maria Steger, Nikolaos Bonaros, Ralf Joachim Rieker, Johannes Bonatti, Thomas Schachner
Gene therapy for avoiding intimal hyperplasia of vein grafts after coronary artery bypass grafting is still discussed controversially. A promising application of gene therapy in vein grafts is the use of antisense oligonucleotides to block the expression of genes encoding cell cycle regulatory proteins in vascular smooth muscle cells. C-myc, either directly or by regulating the expression of other proteins, controls cell proliferation, apoptosis and cell survival, tissue remodeling, angiogenesis, cell metabolism, production of inflammatory and anti-inflammatory cytokines, and also participates in cell transformation...
May 15, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29775561/isolation-and-characterization-of-a-novel-anti-salbutamol-chicken-scfv-for-human-doping-urinalysis
#6
Warren Lee, Syed A Ali, Leow Chiuan Yee, Tan Soo Choon, Leow Chiuan Herng
Anti-salbutamol antibodies remain as important tools for the detection of salbutamol abuse in athletic doping. This study evaluated the feasibility and efficiency of the chicken (Gallus gallus domesticus) as an immunization host to generate anti-salbutamol scFv antibodies by phage display. A phage display antibody library was constructed from a single chicken immunized against salbutamol-KLH conjugate. After a stringent biopanning strategy, a novel scFv clone which was inhibited by free salbutamol recorded the highest affinity...
May 15, 2018: Analytical Biochemistry
https://www.readbyqxmd.com/read/29775472/spatial-pattern-and-determinants-of-anaemia-in-ethiopia
#7
Bedilu Alamirie Ejigu, Eshetu Wencheko, Kiros Berhane
Anaemia is a condition in which the haemoglobin concentration falls below an established cut-off value due to a decrease in the number and size of red blood cells. The current study aimed (i) to assess the spatial pattern and (ii) to identify determinants related to anaemia using the third Ethiopian demographic health survey. To achieve these objectives, this study took into account the sampling weight and the clustered nature of the data. As a result, multilevel modeling has been used in the statistical analysis...
2018: PloS One
https://www.readbyqxmd.com/read/29775357/finding-the-optimal-nets-for-self-folding-kirigami
#8
N A M Araújo, R A da Costa, S N Dorogovtsev, J F F Mendes
Three-dimensional shells can be synthesized from the spontaneous self-folding of two-dimensional templates of interconnected panels, called nets. However, some nets are more likely to self-fold into the desired shell under random movements. The optimal nets are the ones that maximize the number of vertex connections, i.e., vertices that have only two of its faces cut away from each other in the net. Previous methods for finding such nets are based on random search, and thus, they do not guarantee the optimal solution...
May 4, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29775318/roll-to-roll-nanoforming-of-metals-using-laser-induced-superplasticity
#9
Debkalpa Goswami, Juan Camilo Múnera, Aniket Pal, Behnam Sadri, Caio Lui Paganelli Guzzo Scarpetti, Ramses V Martinez
This letter describes a low-cost, scalable nanomanufacturing process that enables the continuous forming of thin metallic layers with nanoscale accuracy using roll-to-roll, laser-induced superplasticity (R2RLIS). R2RLIS uses a laser shock to induce the ultrahigh strain rate deformation of metallic films at room temperature into low-cost polymeric nanomolds, independently of the original grain size of the metal. This simple and inexpensive nanoforming method does not require access to cleanrooms and associated facilities, and can be easily implemented on conventional CO2 lasers, enabling laser systems commonly used for rapid prototyping or industrial cutting and engraving to fabricate uniform and three-dimensional crystalline metallic nanostructures over large areas...
May 18, 2018: Nano Letters
https://www.readbyqxmd.com/read/29775164/the-clinical-value-of-the-patient-reported-multiple-sclerosis-neuropsychological-screening-questionnaire
#10
Ilse M Nauta, Lisanne J Balk, Judith M Sonder, Hanneke E Hulst, Bernard Mj Uitdehaag, Luciano Fasotti, Brigit A de Jong
BACKGROUND: Cognitive problems are difficult to identify in patients with multiple sclerosis (MS). OBJECTIVE: To investigate the clinical applicability of the patient-reported MS Neuropsychological Screening Questionnaire (MSNQ-P). METHODS: Cut-off scores were determined to differentiate between cognitively impaired ( n = 90), mildly cognitively impaired ( n = 115), and cognitively preserved ( n = 147) MS patients using receiver operating characteristic analyses...
May 1, 2018: Multiple Sclerosis: Clinical and Laboratory Research
https://www.readbyqxmd.com/read/29775061/direct-photocatalytic-s-h-bond-cyanation-with-green-cn-source
#11
Wei Guo, Wen Tan, Mingming Zhao, Lvyin Zheng, Kailiang Tao, Deliang Chen, XiaoLin Fan
Herein we report a novel C-S bond cleavage and reconstruction strategy for the synthesis of thiocyanates through direct photocatalytic S-H bond cyanation from thiols and inorganic thiocyanate salts. In our strategy, the unprecedented example of cutting off C-S bond of SCN- to deliver the green "CN" sources is demonstrated. This transformation features nontoxic and inexpensive "CN" sources, available starting materials, metal-/base-/ligand-/peroxide-free, high step economy and mild conditions...
May 18, 2018: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/29775022/-establishment-of-the-characterization-of-an-adult-digits-in-noise-test-based-on-internet
#12
B E Qi, T B Zhang, X X Fu, G P Li
Objective: The aim of this study is to explore the sensitivity and specificity of the internet-based digital noise threshold (DIN) test for detecting noise-induced hearing loss, expecting to provide a rapid and effective screening tool for clinical application. Method: This study enrolled 50 adult subjects, of which 34 were normal hearing (NH), 16 patients with sensorineural hearing loss (SNHL). Pure-tone audiometry, acoustic immittance and DIN test were tested respectively. Pearson's correlation coefficient was used to analyze the correlation between NH and SNHL...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774950/morphology-and-quantification-of-sheep-pineal-glands-at-pre-pubertal-pubertal-and-post-pubertal-periods
#13
Durmuş Bolat, Aytül Kürüm, Sıla Canpolat
The pineal gland is a neuroendocrine organ associated with photoperiodic regulation in mammals. The aim of this study was to evaluate the pineal gland at the pre-pubertal, pubertal and post-pubertal periods by means of morphology and stereology. The study examined at total of 24 ovine pineal glands collected from healthy female Akkaraman breed. Thick sections (40 μm) were cut and treated with synaptophysin. Following each thick section, six consecutive sections at a thickness of 5 μm were cut. Each thin section was stained with one of the following dyes: Crossman's modified triple dye, glial fibrillary acidic protein (GFAP), melatonin marker, periodic acid-Schiff, Von Kossa and AgNOR...
May 18, 2018: Anatomia, Histologia, Embryologia
https://www.readbyqxmd.com/read/29774939/-feasibility-and-preliminary-technical-experience-of-single-incision-plus-one-port-laparoscopic-total-gastrectomy-combined-with-%C3%AF-shaped-esophagojejunal-anastomosis-in-surgical-treatment-of-gastric-cancer
#14
Guangsheng Du, Enlai Jiang, Yuan Qiu, Wensheng Wang, Shuai Wang, Yunbo Li, Ke Peng, Xiang Li, Hua Yang, Weidong Xiao
OBJECTIVE: To explore the feasibility, safety, and preliminary technical experience of single incision plus one port laparoscopic total gastrectomy combined with π-shaped esophagojejunal anastomosis (SILT-π) in the surgical treatment of gastric cancer. METHODS: Clinical data of 5 gastric cancer patients undergoing SILT-π operation at the Department of General Surgery, The Second Affiliated Hospital of the Army Medical University from August to October 2017 were retrospectively analyzed...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774645/a-novel-rapidly-self-healing-host-guest-supramolecular-hydrogel-with-high-mechanical-strength-and-excellent-biocompatibility
#15
Zhifang Wang, Yipeng Ren, Ye Zhu, Lijing Hao, Yunhua Chen, Geng An, Hongkai Wu, Xuetao Shi, Chuanbin Mao
It is still a challenge to achieve both excellent mechanical strength and biocompatibility in hydrogels. Here we exploited two interactions to form a novel biocompatible, slicing-resistant and self-healing hydrogel. One is the molecular host-guest recognition between a host (isocyanatoethyl acrylate-modified β-cyclodextrin, β-CD-AOI2) and a guest (2-(2-(2-(2-(Adamantyl-1-oxy)ethoxy)ethoxy) ethoxy)ethanol acrylate, A-TEG-Ad) to form novel "three-arm" host-guest supramolecules (HGSMs). Another is the covalent bonding between HGSMs (achieved by UV-initiated polymerization) to form a strong network in the hydrogel...
May 18, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29774547/petunia-as-model-for-elucidating-adventitious-root-formation-and-mycorrhizal-symbiosis-at-the-nexus-of-physiology-genetics-microbiology-and-horticulture
#16
Uwe Druege, Philipp Franken
Adventitious root formation in cuttings and establishment of arbuscular mycorrhizal symbiosis reflect the enormous plasticity of plants and are key factors in the efficient and sustainable clonal propagation and production of ornamental crops. Based on the high importance of Petunia hybrida for the European and US annual bedding plant markets and its suitability as a model for basic plant sciences, petunia has been established as an experimental system for elucidating the molecular and physiological processes underlying adventitious root formation and mycorrhizal symbiosis...
May 17, 2018: Physiologia Plantarum
https://www.readbyqxmd.com/read/29774420/lysophosphatidylcholine-as-a-predictor-of-postoperative-complications-after-colorectal-cancer-surgery
#17
Akihisa Matsuda, Marina Yamada, Satoshi Matsumoto, Nobuyuki Sakurazawa, Takeshi Yamada, Takeshi Matsutani, Masao Miyashita, Eiji Uchida
PURPOSE: Lysophosphatidylcholine (LPC), which is generated from phosphatidylcholine (PC) and metabolized by autotaxin (ATX), modulates immune responses via its anti-inflammatory property. We investigated the association between LPC and postoperative complications (POCs) after colorectal cancer surgery (CRC). METHODS: The subjects of this study were 43 patients who underwent surgery for CRC. Peripheral blood samples were collected preoperatively and immediately after surgery, and on postoperative days (PODs) 1, 3, 5, and 7...
May 17, 2018: Surgery Today
https://www.readbyqxmd.com/read/29774398/improved-detection-of-a-tumorous-involvement-of-the-mesorectal-fascia-and-locoregional-lymph-nodes-in-locally-advanced-rectal-cancer-using-dce-mri
#18
Marco Armbruster, Melvin D'Anastasi, Veronika Holzner, Martin E Kreis, Olaf Dietrich, Bernhard Brandlhuber, Anno Graser, Martina Brandlhuber
PURPOSE: The prediction of an infiltration of the mesorectal fascia (MRF) and malignant lymph nodes is essential for treatment planning and prognosis of patients with rectal cancer. The aim of this study was to assess the additional diagnostic value of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) for the detection of a malignant involvement of the MRF and of mesorectal lymph nodes in patients with locally advanced rectal cancer. METHODS: In this prospective study, 22 patients with locally advanced rectal cancer were examined with 1...
May 17, 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29774085/quantum-chemical-dft-study-of-direct-and-h-and-c-assisted-co-dissociation-on-the-%C3%AF-fe-5-c-2-h%C3%A3-gg-carbide
#19
Robin J P Broos, Bart Zijlstra, Ivo A W Filot, Emiel J M Hensen
The first step in the Fischer-Tropsch reaction is the production of C1 monomers by the dissociation of the C-O bond. Although Fe is the active metal, it is well known that under typical reaction conditions, it changes into various carbide phases. The Hägg carbide (χ-Fe5 C2 ) phase is usually considered as the catalytically active phase. We carried out a comprehensive DFT study of CO dissociation on various surface terminations of the Hägg carbide, selected on their specific site topology and the presence of stepped sites...
May 10, 2018: Journal of Physical Chemistry. C, Nanomaterials and Interfaces
https://www.readbyqxmd.com/read/29773927/influence-of-meteorological-factors-on-the-level-and-characteristics-of-culturable-bacteria-in-the-air-in-gliwice-upper-silesia-poland
#20
Ewa Brągoszewska, Józef S Pastuszka
Numerous studies have focused on occupational and indoor environments because people spend more than 90% of their time in them. Nevertheless, air is the main source of bacteria in indoors, and outdoor exposure is also crucial. Worldwide studies have indicated that bacterial concentrations vary among different types of outdoor environments, with considerable seasonal variations as well. Conducting comprehensive monitoring of atmospheric aerosol concentrations is very important not only for environmental management but also for the assessment of the health impacts of air pollution...
2018: Aerobiologia
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