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https://www.readbyqxmd.com/read/28722290/development-of-a-cardiovascular-diseases-risk-prediction-model-and-tools-for-chinese-patients-with-type-2-diabetes-mellitus-a-population-based-retrospective-cohort-study
#1
Eric Yuk Fai Wan, Daniel Yee Tak Fong, Colman Siu Cheung Fung, Esther Yee Tak Yu, Weng Yee Chin, Anca Ka Chun Chan, Cindy Lo Kuen Lam
AIMS: Evidence-based cardiovascular diseases(CVD) risk prediction models and tools specific for Chinese patients with type 2 diabetes mellitus(T2DM) are currently unavailable. This study aimed to develop and validate a CVD risk prediction model for Chinese T2DM patients. MATERIALS AND METHODS: A retrospective cohort study was conducted on 137 935 Chinese patients aged 18-79 years with T2DM and without prior history of CVD, who had received public primary care services between 1 January 2010 and 31 December 2010...
July 19, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28721326/tension-pneumocephalus-following-bilateral-craniotomies
#2
Fionn Coughlan, Alexander Lam, Stephen Honeybul
Pneumocephalus is defined as a collection of air within the cranial cavity. It is a common finding following head injury with skull base fracture and neurosurgical procedures. Tension pneumocephalus is a rare complication. The diagnosis is clinical and radiological with the characteristic Mount Fuji sign seen on computed tomography (CT). It is a neurosurgical emergency, and early recognition and treatment are vital.
June 15, 2017: Curēus
https://www.readbyqxmd.com/read/28720537/inhaled-powder-formulation-of-naked-sirna-using-spray-drying-technology-with-l-leucine-as-dispersion-enhancer
#3
Michael Y T Chow, Yingshan Qiu, Fiona F K Lo, Hinson H S Lin, Hak-Kim Chan, Philip C L Kwok, Jenny K W Lam
Pulmonary delivery of short interfering RNA (siRNA) has been widely studied in both animal and clinical studies to treat various respiratory diseases by gene silencing through RNA interference. Some of these studies showed that the administration of naked siRNA (without the use of any delivery vectors) could achieve satisfactory gene silencing effect, a unique feature to pulmonary delivery. Liquid aerosols were mostly used with very limited studies on the use of powder aerosols for siRNA. In this study, siRNA was co-spray dried with mannitol and L-leucine, the latter being a dispersion enhancer...
July 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28719559/relationship-between-age-and-rotator-cuff-retear-a-study-of-1-600-consecutive-rotator-cuff-repairs
#4
Georgia Diebold, Patrick Lam, Judie Walton, George A C Murrell
BACKGROUND: The prevalence of rotator cuff tears increases with age, and many patients undergo surgical repair. Retears are not uncommon, with rates ranging between 9% and 36% in recent studies, and are a major concern. The aim of this study was to investigate the relationship between patient age and the chance of healing following rotator cuff repair. METHODS: This was a retrospective cohort study of patients who had undergone arthroscopic rotator cuff repair performed by a single surgeon...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28719152/a-first-in-human-phase-i-multicenter-open-label-dose-escalation-study-of-the-oral-raf-vegfr-2-inhibitor-raf265-in-locally-advanced-or-metastatic-melanoma-independent-from-braf-mutation-status
#5
Benjamin Izar, William Sharfman, F Stephen Hodi, Donald Lawrence, Keith T Flaherty, Ravi Amaravadi, Kevin B Kim, Igor Puzanov, Jeffrey Sosman, Reinhard Dummer, Simone M Goldinger, Lyhping Lam, Shefali Kakar, Zhongwen Tang, Oliver Krieter, David F McDermott, Michael B Atkins
To establish the maximum tolerated dose (MTD), dose-limiting toxicities (DLT), safety profile, and anti-tumor efficacy of RAF265. We conducted a multicenter, open-label, phase-I, dose-escalation trial of RAF265, an orally available RAF kinase/VEGFR-2 inhibitor, in patients with advanced or metastatic melanoma. Pharmacokinetic (PK) analysis, pharmacodynamics (PD) and tumor response assessment were conducted. We evaluated metabolic tumor response by 18[F]-fluorodeoxyglucose-positron-emission tomography (FDG-PET), tissue biomarkers using immunohistochemistry (IHC), and modulators of angiogenesis...
July 18, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28719102/plant-viral-and-bacteriophage-delivery-of-nucleic-acid-therapeutics
#6
REVIEW
Patricia Lam, Nicole F Steinmetz
Nucleic acid therapeutics have emerged as a powerful method for treatment of many diseases. However, the challenge lies in safe and efficient delivery of nucleic acids to their target site, as they need to cross various extracellular and intracellular barriers. Mammalian viruses have initially been favored for delivery of nucleic acid therapeutics, but safety concerns regarding their immunogenicity and potential of integration have fueled the search for alternative delivery strategies. For example, chemistry and bioengineering have led to advances in the use of nonviral vectors composed of lipids and other polymers; nevertheless, the synthetic systems often do not match the efficiency achieved using the biological systems...
July 18, 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28718724/black-raspberries-and-their-anthocyanin-and-fiber-fractions-alter-the-composition-and-diversity-of-gut-microbiota-in-f-344-rats
#7
Pan Pan, Vy Lam, Nita Salzman, Yi-Wen Huang, Jianhua Yu, Jianying Zhang, Li-Shu Wang
Natural compounds can alter the diversity and composition of the gut microbiome, potentially benefiting our health. We previously demonstrated chemopreventive effects of black raspberries (BRBs) in colorectal cancer, which is associated with gut dysbiosis. To investigate the effects of whole BRBs and their fractions on gut microbiota, we fed F-344 rats a control diet, 5% BRBs, the BRB anthocyanin fraction, or the BRB residue fraction for 6 weeks. Feces were collected at baseline and at weeks 3 and 6, and bacterial sequence counts were analyzed...
July 18, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28718623/a-multimodal-spectroscopic-imaging-method-to-characterize-the-metal-and-macromolecular-content-of-proteinaceous-aggregates-amyloid-plaques
#8
Kelly L Summers, Nicholas Fimognari, Ashley Hollings, Mitchell Kiernan, Virginie Lam, Rebecca J Tidy, David Paterson, Mark J Tobin, Ryu Takechi, Graham N George, Ingrid J Pickering, John C Mamo, Hugh H Harris, Mark J Hackett
Alzheimer's disease (AD) is a major international health and economic concern. A key pathological feature of AD is so-called "amyloid-β-plaques", or "Aβ-plaques", which are deposits of aggregated protein, enriched with the Aβ fragment of amyloid precursor protein. Despite their name, the deposits are not pure Aβ and have a heterogeneous, chemically complex composition that can include multiple proteins, lipids, and metal ions (Fe, Cu, or Zn). Despite extensive research, it is still uncertain whether Aβ-plaques are a cause or a consequence of AD pathology...
July 18, 2017: Biochemistry
https://www.readbyqxmd.com/read/28718346/effect-of-desvenlafaxine-50-mg-and-100-mg-on-energy-and-lassitude-in-patients-with-major-depressive-disorder-a-pooled-analysis
#9
Raymond W Lam, Dalia B Wajsbrot, Ellen Meier, Elizabeth Pappadopulos, Joan A Mackell, Matthieu Boucher
Nine randomized, double-blind, placebo-controlled studies of major depressive disorder were pooled to evaluate the effects of desvenlafaxine 50- and 100-mg/d on energy and lassitude in adults with major depressive disorder ( n=4279). Changes from baseline to endpoint in 17-item Hamilton Rating Scale for Depression (HAM-D17) Work and Activities, Retardation, and Somatic Symptoms General items, HAM-D17 psychomotor retardation factor, and Montgomery-Åsberg Depression Rating Scale Lassitude item were analyzed with a mixed model for repeated measures analysis of variance...
July 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28717360/ethanol-enhances-high-salinity-stress-tolerance-by-detoxifying-reactive-oxygen-species-in-arabidopsis-thaliana-and-rice
#10
Huong Mai Nguyen, Kaori Sako, Akihiro Matsui, Yuya Suzuki, Mohammad Golam Mostofa, Chien Van Ha, Maho Tanaka, Lam-Son Phan Tran, Yoshiki Habu, Motoaki Seki
High-salinity stress considerably affects plant growth and crop yield. Thus, developing techniques to enhance high-salinity stress tolerance in plants is important. In this study, we revealed that ethanol enhances high-salinity stress tolerance in Arabidopsis thaliana and rice. To elucidate the molecular mechanism underlying the ethanol-induced tolerance, we performed microarray analyses using A. thaliana seedlings. Our data indicated that the expression levels of 1,323 and 1,293 genes were upregulated by ethanol in the presence and absence of NaCl, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28717266/clinical-andrology-the-missing-jigsaw-pieces
#11
EDITORIAL
Ashok Agarwal, Chak-Lam Cho
No abstract text is available yet for this article.
July 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28716797/a-pragmatic-phase-iii-multisite-double-blind-placebo-controlled-parallel-arm-dose-increment-randomised-trial-of-regular-low-dose-extended-release-morphine-for-chronic-breathlessness-breathlessness-exertion-and-morphine-sulfate-beams-study-protocol
#12
David Currow, Gareth John Watts, Miriam Johnson, Christine F McDonald, John O Miners, Andrew A Somogyi, Linda Denehy, Nicola McCaffrey, Danny J Eckert, Philip McCloud, Sandra Louw, Lawrence Lam, Aine Greene, Belinda Fazekas, Katherine C Clark, Kwun Fong, Meera R Agar, Rohit Joshi, Sharon Kilbreath, Diana Ferreira, Magnus Ekström
INTRODUCTION: Chronic breathlessness is highly prevalent and distressing to patients and families. No medication is registered for its symptomatic reduction. The strongest evidence is for regular, low-dose, extended- release (ER) oral morphine. A recent large phase III study suggests the subgroup most likely to benefit have chronic obstructive pulmonary disease (COPD) and modified Medical Research Council breathlessness scores of 3 or 4. This protocol is for an adequately powered, parallel-arm, placebo-controlled, multisite, factorial, block-randomised study evaluating regular ER morphine for chronic breathlessness in people with COPD...
July 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28716533/novel-ubqln2-mutations-linked-to-amyotrophic-lateral-sclerosis-and-atypical-hereditary-spastic-paraplegia-phenotype-through-defective-hsp70-mediated-proteolysis
#13
Elisa Teyssou, Laura Chartier, Maria-Del-Mar Amador, Roselina Lam, Géraldine Lautrette, Marie Nicol, Selma Machat, Sandra Da Barroca, Carine Moigneu, Mathilde Mairey, Thierry Larmonier, Safaa Saker, Christelle Dussert, Sylvie Forlani, Bertrand Fontaine, Danielle Seilhean, Delphine Bohl, Séverine Boillée, Vincent Meininger, Philippe Couratier, François Salachas, Giovanni Stevanin, Stéphanie Millecamps
Mutations in UBQLN2 have been associated with rare cases of X-linked juvenile and adult forms of amyotrophic lateral sclerosis (ALS) and ALS linked to frontotemporal dementia (FTD). Here, we report 1 known (c.1489C>T, p.Pro497Ser, P497S) and 3 novel (c.1481C>T, p.Pro494Leu, P494L; c.1498C>T, p.Pro500Ser, P500S; and c.1516C>G, p.Pro506Ala, P506A) missense mutations in the PXX domain of UBQLN2 in familial motor neuron diseases including ALS and spastic paraplegia (SP). A novel missense mutation (c...
June 24, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28716419/a-%C3%AE-carotene-desaturase-gene-ibzds-increases-%C3%AE-carotene-and-lutein-contents-and-enhances-salt-tolerance-in-transgenic-sweetpotato
#14
Ruijie Li, Chen Kang, Xuejin Song, Ling Yu, Degao Liu, Shaozhen He, Hong Zhai, Qingchang Liu
ζ-Carotene desaturase (ZDS) is one of the key enzymes in carotenoid biosynthesis pathway. However, the ZDS gene has not been applied to carotenoid improvement of plants. Its roles in tolerance to abiotic stresses have not been reported. In this study, the IbZDS gene was isolated from storage roots of sweetpotato (Ipomoea batatas (L.) Lam.) cv. Nongdafu 14. Its overexpression significantly increased β-carotene and lutein contents and enhanced salt tolerance in transgenic sweetpotato (cv. Kokei No. 14) plants...
September 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28715922/dlk1-dio3-imprinted-locus-deregulation-in-development-respiratory-disease-and-cancer
#15
Jhon R Enterina, Katey Ss Enfield, Christine Anderson, Erin A Marshall, Kevin W Ng, Wan L Lam
The imprinted DLK1-DIO3 locus at 14q32.1-32.31 holds biological significance in fetal development, whereby imprinting errors are causal to developmental disorders. Emerging evidence has implicated this locus in other diseases including cancer, highlighting the biological parallels between fetal organ and tumour development. Areas covered: Controlled regulation of gene expression from the imprinted DLK1-DIO3 locus at 14q32.1-32.31 is crucial for proper fetal development. Deregulation of locus gene expression due to imprinting errors has been mechanistically linked to the developmental disorders Kagami-Ogata Syndrome and Temple Syndrome...
July 18, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28714586/activation-of-autophagy-is-involved-in-the-protective-effect-of-17%C3%AE-oestradiol-on-endotoxaemia-induced-multiple-organ-dysfunction-in-ovariectomized-rats
#16
Ming-Tzeung Chung, Yen-Mei Lee, Hsin-Hsueh Shen, Pao-Yun Cheng, Yu-Chen Huang, Yu-Ju Lin, Yu-Yang Huang, Kwok-Keung Lam
Oestrogens have been reported to attenuate acute inflammation in sepsis. In this study, the effects of long-term oestrogen replacement with 17β-oestradiol (E2 ) on endotoxaemia-induced circulatory dysfunction and multiple organ dysfunction syndrome were evaluated in ovariectomized (Ovx) rats. E2 (50 μg/kg, s.c., 3 times/week) was administered for 8 weeks, followed by the induction of endotoxaemia by intravenous infusion of lipopolysaccharides (LPS; 30 mg/kg/4 hrs). Oestrogen deficiency induced by ovariectomy for 9 weeks augmented the LPS-induced damage, including endotoxic shock, myocardial contractile dysfunction, renal dysfunction and rhabdomyolysis...
July 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28713801/an-evaluation-of-a-train-the-trainer-workshop-for-social-service-workers-to-develop-community-based-family-interventions
#17
Agnes Y Lai, Sunita M Stewart, Moses W Mui, Alice Wan, Carol Yew, Tai Hing Lam, Sophia S Chan
INTRODUCTION: Evaluation studies on train-the-trainer workshops (TTTs) to develop family well-being interventions are limited in the literature. The Logic Model offers a framework to place some important concepts and tools of intervention science in the hands of frontline service providers. This paper reports on the evaluation of a TTT for a large community-based program to enhance family well-being in Hong Kong. METHODS: The 2-day TTT introduced positive psychology themes (relevant to the programs that the trainees would deliver) and the Logic Model (which provides a framework to guide intervention development and evaluation) for social service workers to guide their community-based family interventions...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28713356/a-genotypic-analysis-of-five-p-aeruginosa-strains-after-biofilm-infection-by-phages-targeting-different-cell-surface-receptors
#18
Diana P Pires, Andreas Dötsch, Erin M Anderson, Youai Hao, Cezar M Khursigara, Joseph S Lam, Sanna Sillankorva, Joana Azeredo
Antibiotic resistance constitutes one of the most serious threats to the global public health and urgently requires new and effective solutions. Bacteriophages are bacterial viruses increasingly recognized as being good alternatives to traditional antibiotic therapies. In this study, the efficacy of phages, targeting different cell receptors, against Pseudomonas aeruginosa PAO1 biofilm and planktonic cell cultures was evaluated over the course of 48 h. Although significant reductions in the number of viable cells were achieved for both cases, the high level of adaptability of the bacteria in response to the selective pressure caused by phage treatment resulted in the emergence of phage-resistant variants...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28713250/impaired-in-vivo-gamma-oscillations-in-the-medial-entorhinal-cortex-of-knock-in-alzheimer-model
#19
Tomoaki Nakazono, Travis N Lam, Ayushi Y Patel, Masashi Kitazawa, Takashi Saito, Takaomi C Saido, Kei M Igarashi
The entorhinal cortex (EC) has bidirectional connections with the hippocampus and plays a critical role in memory formation and retrieval. EC is one of the most vulnerable regions in the brain in early stages of Alzheimer's disease (AD), a neurodegenerative disease with progressive memory impairments. Accumulating evidence from healthy behaving animals indicates gamma oscillations (30-100 Hz) as critical for mediating interactions in the circuit between EC and hippocampus. However, it is still unclear whether gamma oscillations have causal relationship with memory impairment in AD...
2017: Frontiers in Systems Neuroscience
https://www.readbyqxmd.com/read/28713067/eus-guided-drainage-of-peripancreatic-fluid-collections-with-lumen-apposing-metal-stents-and-plastic-double-pigtail-stents-comparison-of-efficacy-and-adverse-event-rates
#20
Gabriel D Lang, Cassandra Fritz, Trisha Bhat, Koushik K Das, Faris M Murad, Dayna S Early, Steven A Edmundowicz, Vladimir M Kushnir, Daniel K Mullady
BACKGROUND AND AIMS: Transmural drainage with double-pigtail plastic stents (DPPSs) was the mainstay of endoscopic therapy for symptomatic peri-pancreatic fluid collections (PPFCs) until the introduction of lumen-apposing covered self-expanding metal stents (LAMSs). Currently, there is limited data regarding the efficacy and adverse event rate of LAMS compared with DPPS. METHODS: A retrospective analysis of EUS-guided PPFC drainages at a single tertiary care center between 2008 and 2015 was performed...
July 13, 2017: Gastrointestinal Endoscopy
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