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https://www.readbyqxmd.com/read/28731907/oral-nucleos-t-ide-analogs-alone-after-liver-transplantation-in-chronic-hepatitis-b-with-preexisting-rt204-mutation
#1
James Fung, Tiffany Wong, Kenneth Chok, Albert Chan, Sui-Ling Sin, Tan-To Cheung, Wing-Chiu Dai, Kelvin Ng, Kevin Ng, Kwan Man, Wai-Kay Seto, Ching-Lung Lai, Man-Fung Yuen, Chung-Mau Lo
BACKGROUND: There is currently limited data regarding the use of oral antiviral therapy alone without HBIG for CHB patients with preexisting LAM-resistance (LAM-R) undergoing liver transplantation. METHODS: This is a cohort study determining the effectiveness and long-term outcome in this group of patients. RESULTS: Fifty-seven consecutive CHB patients with preexisting rt204 LAM-R mutations or virological load refractory to LAM undergoing liver transplantation were included, with a median follow-up of 73 months...
July 21, 2017: Transplantation
https://www.readbyqxmd.com/read/28731793/phylogeny-traits-and-biodiversity-of-a-neotropical-bat-assemblage-close-relatives-show-similar-responses-to-local-deforestation
#2
Hannah K Frank, Luke O Frishkoff, Chase D Mendenhall, Gretchen C Daily, Elizabeth A Hadly
If species' evolutionary pasts predetermine their responses to evolutionarily novel stressors, then phylogeny could predict species survival in an increasingly human-dominated world. To understand the role of phylogenetic relatedness in structuring responses to rapid environmental change, we focused on assemblages of Neotropical bats, an ecologically diverse and functionally important group. We examined how taxonomic and phylogenetic diversity shift between tropical forest and farmland. We then explored the importance of evolutionary history by ascertaining whether close relatives share similar responses to environmental change and which species traits might mediate these trends...
August 2017: American Naturalist
https://www.readbyqxmd.com/read/28731337/sky-blue-emitting-dendritic-alkynylgold-iii-complexes-for-solution-processable-organic-light-emitting-devices
#3
Chin-Ho Lee, Man-Chung Tang, Yi-Chun Wong, Mei-Yee Chan, Vivian Wing-Wah Yam
A new class of tridentate ligand-containing cyclometalated gold(III) complexes featuring dendritic alkynyl ligands with carbazole moieties as dendrons and peripheral groups has been synthesized up to the third generation. High-performance solution-processable organic light-emitting devices (OLEDs) with maximum current efficiency of up to 23.7 cd A(-1) and external quantum efficiency of up to 6.9% have been realized by a simple spin-coating technique. With the incorporation of bulky carbazole moieties to form higher generation dendrimers, the undesirable excimeric emission could be effectively reduced, allowing the fine-tuning of the emission color toward the blue region...
July 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28731281/glycaemic-control-and-the-risk-of-hospitalisation-for-infection-in-patients-with-type-2-diabetes-hong-kong-diabetes-registry
#4
Andrea O Y Luk, Eric S H Lau, Kitty K T Cheung, Alice P Kong, Ronald C W Ma, Risa Ozaki, Francis C C Chow, Wing-Yee So, Juliana C N Chan
BACKGROUND: Infection occurs more commonly in diabetic compared to general population and is an under-recognised but important morbidity in patients with diabetes. We examined the impact of glycaemic control on hospitalisation for infection in a large prospective cohort of Chinese adults with type 2 diabetes. METHODS: Between July 1994 and June 2014, 22,846 patients with type 2 diabetes underwent detailed assessment of metabolic control and diabetes complications...
July 21, 2017: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/28730971/apoptosis-and-anti-cancer-drug-discovery-the-power-of-medicinal-fungi-and-plants
#5
Jack Ho Wong, Stephen Cho Wing Sze, Tzi Bun Ng, Randy Chi Fai Cheung, Chit Tam, Kalin Yanbo Zhang, Xiuli Dan, Yau Sang Chan, William Chi Shing Cho, Charlene Cheuk Wing Ng, Mary Miu Yee Waye, Weicheng Liang, Jinfang Zhang, Jie Yang, Xiuyun Ye, Juan Lin, Xiujuan Ye, Hexiang Wang, Fang Liu, David Wai Chan, Hextan Yuen Sheung Ngan, Ou Sha, Guohui Li, Ryan Tse, Tak Fu Tse, Helen Chan
The purpose of this account is to review the compounds capable of eliciting mitochondria-mediated apoptosis in cancer cells produced by medicinal fungi and plants. The medicinal fungi discussed encompass Cordyceps, Ganoderma species, Coriolus versicolor and Hypsizygus marmoreus. The medicinal plants discussed comprise Astragalus complanatus , Dendrobium spp,Dioscorea spp, Glycyrrhiza spp, Panax notoginseng, Panax ginseng, and Momordica charantia. These compounds have the potential of development into anticancer drugs...
July 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28729227/computational-and-experimental-prediction-of-molecules-involved-in-the-anti-melanoma-action-of-berberine
#6
Bin Liu, Xiu-Qiong Fu, Ting Li, Tao Su, Hui Guo, Pei-Li Zhu, Anfernee Kai-Wing Tse, Shi-Ming Liu, Zhi-Ling Yu
ETHNOPHARMACOLOGIC RELEVANCE: Berberine (BBR) is a naturally occurring alkaloid compound that can be found in Chinese medicinal herbs such as Rhizoma Coptidis and Phellodendri Cortex. These BBR containing herbs are commonly used by Chinese medicine doctors to treat cancers including melanoma. In this study, we explored proteins potentially involved in the anti-melanoma effects of BBR using an integrative computational and experimental approach. MATERIALS AND METHODS: Target proteins of BBR were predicted using the reverse pharmacophore screening, molecular docking and molecular dynamics...
July 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28728815/the-structural-basis-for-sensing-by%C3%A2-the-piezo1-protein
#7
W Li, N Gao, M Yang
Mechanotransduction is one of the processes by which cells sense and convert mechanical stimuli into biological signals. Experimental data from various species have revealed crucial roles for mechanotransduction in organ development and a plethora of physiological activities. Piezo proteins have recently been identified as the long-sought-after mechanically activated cation channels in eukaryotes. The architecture of mouse Piezo1 (mPiezo1) channel determined by cryoelectron microscopic single-particle analysis at medium resolution yielded important insights into the mechanical force sensing mechanism...
2017: Current Topics in Membranes
https://www.readbyqxmd.com/read/28728752/nano-structured-antimicrobial-surfaces-from-nature-to-synthetic-analogues
#8
REVIEW
Aaron Elbourne, Russell J Crawford, Elena P Ivanova
The scientific and industrial interest in antimicrobial surfaces has significantly increased in recent times. This interest is largely in response to the persistent microbial contamination of industrial and, importantly, medical implant surfaces. Bacterial contamination of implant surfaces often leads to infection at the implant-tissue interface, and with the prevalence of increasing levels of antimicrobial resistance, the treatment of these infections is becoming far more challenging. Recently, many naturally occurring, high-aspect-ratio surface topographies have been discovered that exhibit high levels of biocidal efficacy...
July 8, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28727715/a-pilot-cross-sectional-study-of-postpartum-wrist-pain-in-an-urban-chinese-population-its-prevalence-and-risk-factors
#9
Regina W S Sit, Wing-Hung Tam, Dicken C C Chan, Benjamin H K Yip, Lucia W Y Tam, Lyan L Y Chow, Vincent C H Chung, Roger Y Chung, Samuel Y S Wong
BACKGROUND: Wrist pain after childbirth is commonly encountered in clinical practice. Little is known about the prevalence of this musculoskeletal disorder which is important to overall maternal health. OBJECTIVE: To examine the prevalence of and risk factors for de novo wrist pain in women after childbirth. STUDY DESIGN: A pilot cross-sectional survey. SETTING: A telephone interview was conducted 2 months after childbirth among women who delivered at a tertiary hospital in Hong Kong...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727439/solid-state-nmr-study-of-the-cicada-wing
#10
John David Gullion, Terry Gullion
Wings of flying insects are part of the cuticle which forms the exoskeleton. The primary molecular components of cuticle are protein, chitin, and lipid. How these components interact with one another to form the exoskeleton is not completely understood. The difficulty in characterizing the cuticle arises because it is insoluble and noncrystalline. These properties severely limit the experimental tools that can be used for molecular characterization. Solid-state nuclear magnetic resonance experiments have been used in the past to characterize the exoskeleton of beetles and have found that chitin and protein make comparable contributions to the molecular matrix...
July 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28727418/combining-tof-sims-imaging-mass-spectrometry-and-cars-microspectroscopy-reveals-lipid-patterns-reminiscent-of-gene-expression-patterns-in-the-wing-imaginal-disc-of-drosophila-melanogaster
#11
Florian Marty, Gianluca Rago, Donald F Smith, Xiaoli Gao, Gert B Eijkel, Luke MacAleese, Mischa Bonn, Erich Brunner, Konrad Basler, Ron M A Heeren
Using label-free ToF-SIMS imaging mass spectrometry, we generated a map of small molecules differentially expressed in the Drosophila wing imaginal disc. The distributions of these moieties were in line with gene expression patterns observed during wing imaginal disc development. Combining ToF-SIMS imaging and coherent anti-Stokes Raman spectroscopy (CARS) microspectroscopy allowed us to locally identify acylglycerols as the main constituents of the pattern differentiating the future body wall tissue from the wing blade tissue...
July 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28727390/use-of-indocyanine-green-angiography-in-microsurgical-subinguinal-varicocelectomy-lessons-learned-from-our-initial-experience
#12
Chak-Lam Cho, Kwan-Lun Ho, Wayne Kwun-Wai Chan, Ringo Wing-Hong Chu, In-Chak Law
Microsurgical subinguinal varicocelectomy (MSV) is generally considered the gold standard nowadays in view of the lower risk of complications and recurrence. To achieve complete ligation of veins while preserving testicular artery (TA) during the procedure remains challenging despite the application of high power optical magnification and micro-Doppler ultrasonography. The use of intraoperative indocyanine green angiography (ICGA) with infrared fluorescence operative micro-scope in MSV potentially lowers the incidence of TA injury and shortens the learning curve of nov-ice surgeons...
July 20, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28726819/catalogue-of-items-in-the-chess-exhibition-at-the-humanities-museum-pre-enlightenment-wing
#13
Alex Shvartsman
No abstract text is available yet for this article.
July 19, 2017: Nature
https://www.readbyqxmd.com/read/28724982/primary-phonological-planning-units-in-spoken-word-production-are-language-specific-evidence-from-an-erp-study
#14
Jie Wang, Andus Wing-Kuen Wong, Suiping Wang, Hsuan-Chih Chen
It is widely acknowledged in Germanic languages that segments are the primary planning units at the phonological encoding stage of spoken word production. Mixed results, however, have been found in Chinese, and it is still unclear what roles syllables and segments play in planning Chinese spoken word production. In the current study, participants were asked to first prepare and later produce disyllabic Mandarin words upon picture prompts and a response cue while electroencephalogram (EEG) signals were recorded...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724626/aerodynamic-modelling-of-a-cretaceous-bird-reveals-thermal-soaring-capabilities-during-early-avian-evolution
#15
Francisco José Serrano, Luis María Chiappe
Several flight modes are thought to have evolved during the early evolution of birds. Here, we use a combination of computational modelling and morphofunctional analyses to infer the flight properties of the raven-sized, Early Cretaceous bird Sapeornis chaoyangensis-a likely candidate to have evolved soaring capabilities. Specifically, drawing information from (i) mechanical inferences of the deltopectoral crest of the humerus, (ii) wing shape (i.e. aspect ratio), (iii) estimations of power margin (i.e. difference between power required for flight and available power from muscles), (iv) gliding behaviour (i...
July 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/28723766/lady-with-wings-a-case-report-of-giant-neurofibromatosis-type-i
#16
Suraj Maharjan, Xiucun Li, Jianli Cui, Yang Liu, Laijin Lu
RATIONALE: Neurofibromatosis type I (NF-I) accounts for approximately 90% of neurofibromatosis. NF-I is an autosomal dominant genetic disease which results from the gene mutation of NF-I situated in chromosome 17q11.2. PATIENT CONCERNS: A 32-year-old lady presented with a giant wing like structure on her back which started growing from her childhood. DIAGNOSIS: A diagnosis of NF-I was confirmed as she presented with multiple cutaneous nodules, multiple café-au-lait macules of different sizes, scoliosis deformity, and positive family history of neurofibroma...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28721841/genetic-characterization-of-highly-pathogenic-avian-influenza-a-h5n8-viruses-isolated-from-wild-birds-in-egypt
#17
Ahmed Kandeil, Ahmed Kayed, Yassmin Moatasim, Richard J Webby, Pamela P McKenzie, Ghazi Kayali, Mohamed A Ali
A newly emerged H5N8 influenza virus was isolated from green-winged teal in Egypt during December 2016. In this study, we provide a detailed characterization of full genomes of Egyptian H5N8 viruses and some virological features. Genetic analysis demonstrated that the Egyptian H5N8 viruses are highly pathogenic avian influenza viruses. Phylogenetic analysis revealed that the genome of the Egyptian H5N8 viruses was related to recently characterized reassortant H5N8 viruses of clade 2.3.4.4 isolated from different Eurasian countries...
July 18, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28721556/using-taphonomy-to-infer-differences-in-soft-tissues-between-taxa-an-example-using-basal-and-derived-forms-of-solnhofen-pterosaurs
#18
S R Beardmore, E Lawlor, D W E Hone
In fossilised vertebrates, the presence of soft tissues is the most obvious way to determine aspects of anatomy and functional morphology; however, occurrences are rare and other lines of evidence must be sought to indicate its extent and strength. For example, pterosaurs possessed a large wing membrane that enabled powered flight but other tissues are not widely preserved. A semi-quantitative analysis comparing skeletal articulation and completeness of the pterodactyloid Pterodactylus and non-pterodactyloid pterosaur Rhamphorhynchus from Solnhofen-type deposits implies there were anatomical differences between soft-tissue structure and attachments articulating skeletal joints of each...
August 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28721081/insulin-glargine-300-u-ml-for-basal-insulin-therapy-in-type-1-and-type-2-diabetes-mellitus
#19
REVIEW
Ip Tim Lau, Ka Fai Lee, Wing Yee So, Kathryn Tan, Vincent Tok Fai Yeung
OBJECTIVE: To review published clinical studies on the efficacy and safety of new insulin glargine 300 units/mL (Gla-300), a new long-acting insulin analog, for the treatment of type 1 and type 2 diabetes mellitus (T1DM, T2DM). MATERIALS AND METHODS: Data sources comprised primary research articles on Gla-300, including pharmacodynamic, pharmacokinetic, and clinical studies. RESULTS: In pharmacodynamic and pharmacokinetic studies, Gla-300 showed a flatter time-action profile and longer duration of action than Gla-100...
2017: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/28719790/disease-burden-characteristics-and-outcomes-of-methicillin-resistant-staphylococcus-aureus-bloodstream-infection-in-hong-kong
#20
Joyce H S You, Kin-Wing Choi, Tin-Yau Wong, Margaret Ip, Wai-Kit Ming, Rity Yee-Kwan Wong, Sze-Ngai Chan, Hoi-Tung Tse, Carrie T S Chau, Nelson L S Lee
We aimed to describe disease burden, characteristics, and outcomes of methicillin-resistant Staphylococcus aureus (MRSA) bloodstream infection (BSI) in Hong Kong. A retrospective, observational study was conducted in 26 Hong Kong public hospitals between January 2010 and December 2012. The primary outcome measures were 30-day mortality rate and infection-related hospital cost. Of 1133 patients reviewed, 727 (64.17%) were male, 1075 (94.88%) had health care-associated community-onset and 44 (3.88%) had hospital-onset MRSA infection...
July 2017: Asia-Pacific Journal of Public Health
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