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https://www.readbyqxmd.com/read/27911495/synthesis-and-evaluation-of-caged-sirna-with-terminal-single-vitamin-e-modification
#1
Jiali Yang, Lijia Yu, Liangliang Zhang, Xingsu Long, Yuzhuo Ji, Xinjing Tang
RNA-induced gene silencing has been widely applied as a powerful research tool in drug development due to its sequence-specific degradation of target mRNA. Conditional regulation of gene functions with small interfering RNAs (siRNAs) is highly useful, especially when specific gene expression regulation with spatiotemporal resolution and amplitude is desired. Here, the synthesis of a series of new caged siRNAs with vitamin E (vitE) modification and/or a single photolabile linker at the 5' terminal is described...
December 1, 2016: Current Protocols in Nucleic Acid Chemistry
https://www.readbyqxmd.com/read/27911489/palliative-care-interventions-in-advanced-dementia
#2
REVIEW
Edel Murphy, Katherine Froggatt, Sheelah Connolly, Eamon O'Shea, Elizabeth L Sampson, Dympna Casey, Declan Devane
BACKGROUND: Dementia is a chronic, progressive and ultimately fatal neurodegenerative disease. Advanced dementia is characterised by profound cognitive impairment, inability to communicate verbally and complete functional dependence. Usual care of people with advanced dementia is not underpinned universally by a palliative approach. Palliative care has focused traditionally on care of people with cancer but for more than a decade, there have been increased calls worldwide to extend palliative care services to include all people with life-limiting illnesses in need of specialist care, including people with dementia...
December 2, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27911487/external-inspection-of-compliance-with-standards-for-improved-healthcare-outcomes
#3
REVIEW
Gerd Flodgren, Daniela C Gonçalves-Bradley, Marie-Pascale Pomey
BACKGROUND: Inspection systems are used in healthcare to promote quality improvements (i.e. to achieve changes in organisational structures or processes, healthcare provider behaviour and patient outcomes). These systems are based on the assumption that externally promoted adherence to evidence-based standards (through inspection/assessment) will result in higher quality of healthcare. However, the benefits of external inspection in terms of organisational-, provider- and patient-level outcomes are not clear...
December 2, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27911468/radical-cystectomy-and-cutaneous-ureterostomy-in-4-dogs-with-trigonal-transitional-cell-carcinoma-description-of-technique-and-case-series
#4
Rafael Ricardo Huppes, Leandro Z Crivellenti, Andrigo Barboza De Nardi, Bruno Roque Lima, Cristiane Alves Cintra, Jorge Luiz Costa Castro, Christopher A Adin
OBJECTIVE: To describe radical cystectomy followed by cutaneous ureterostomy as a treatment of invasive bladder neoplasia in dogs. STUDY DESIGN: Retrospective study. ANIMALS: Client-owned dogs with transitional cell carcinoma of the bladder trigone (n=4). METHODS: Perioperative complications and long-term outcomes of dogs that underwent cutaneous ureterostomy following radical cystectomy and lymphadenectomy for transitional cell carcinoma of the urinary bladder trigone were reviewed...
December 1, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27911454/steady-state-acetabular-cartilage-wear-after-bipolar-hemiarthroplasty-a-case-series-of-10-patients-with-radiostereometric-analysis
#5
Masako Tsukanaka, Ragnhild Ø Støen, Wender Figved, Frede Frihagen, Lars Nordsletten, Stephan M Röhrl
INTRODUCTION: Cartilage wear is a concern after hemiarthroplasty. The precise pattern of the progression of wear has not been evaluated. We previously reported the application of radiostereonetric analysis (RSA) for the measurement of cartilage wear in patients. The purpose of this study was to report the amount and the orientation of the steady state wear of cartilage between 1 and 3 years after bipolar hemiarthroplasty. METHODS: 22 patients with a bipolar hemiarthroplasty for displaced femoral neck fracture were included...
December 2, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27911447/the-enlarged-extraocular-muscle-to-relax-reflect-or-refer
#6
F Shafi, P Mathewson, P Mehta, H S Ahluwalia
PurposeExtraocular muscle enlargement (EOME) is most commonly associated with thyroid eye disease, but there are other causes. We report our outcomes of investigating and managing non-thyroid-related EOME (NTR-EOME).MethodsRetrospective consecutive case series. Sixteen patients identified by clinical features and orbital imaging. Patient demographics, radiological features, and adjuvant tests including biopsy and final diagnosis were recorded.ResultsMean age at presentation 59.3 years (range 24-89 years). Mean follow-up 3...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27911445/long-term-outcomes-of-punch-punctoplasty-with-kelly-punch-and-review-of-literature
#7
E S Wong, E Y Li, H K Yuen
PurposeTo report long-term outcomes of punch punctoplasty utilizing the Kelly punch and to compare the results with other described methods of punctoplasty in literature.Patients and methodsA retrospective, non-comparative interventional case series of patients who underwent punch punctoplasty at the Hong Kong Eye Hospital over an 8-year period. A standard Kelly Descemet's membrane punch was utilized for punctal enlargement in all cases. Patient records and their operative records were reviewed. Anatomical success was defined by well-patent puncta on follow-up...
December 2, 2016: Eye
https://www.readbyqxmd.com/read/27911336/decreased-aerobic-capacity-in%C3%A2-ano5-muscular-dystrophy
#8
Emil Ylikallio, Mari Auranen, Ibrahim Mahjneh, Antti Lamminen, Maria Kousi, Ann-Liz Träskelin, Tiina Muurinen, Mervi Löfberg, Tapani Salmi, Anders Paetau, Anna-Elina Lehesjoki, Päivi Piirilä, Sari Kiuru-Enari
BACKGROUND: Anoctaminopathies are muscle diseases caused by recessive mutations in the ANO5 gene. The effects of anoctaminopathy on oxidative capacity have not previously been studied in a controlled setting. OBJECTIVE: To characterize oxidative capacity in a clinically and genetically well-defined series of patients with anoctaminopathy. METHODS: We sequenced the ANO5 gene in 111 Finnish patients with suspected LGMD2. Patients with positive findings underwent close clinical examination, including electromyography, muscle MRI, and, in selected cases, muscle biopsy...
November 29, 2016: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/27911331/excitation-contraction-coupling-alterations-in-myopathies
#9
Isabelle Marty, Julien Fauré
During the complex series of events leading to muscle contraction, the initial electric signal coming from motor neurons is transformed into an increase in calcium concentration that triggers sliding of myofibrils. This process, referred to as excitation-contraction coupling, is reliant upon the calcium-release complex, which is restricted spatially to a sub-compartment of muscle cells ("the triad") and regulated precisely. Any dysfunction in the calcium-release complex leads to muscle impairment and myopathy...
November 29, 2016: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/27911237/size-and-location-of-ruptured-intracranial-aneurysms-consecutive-series-of-1993-hospital-admitted-patients
#10
Miikka Korja, Riku Kivisaari, Behnam Rezai Jahromi, Hanna Lehto
OBJECTIVE Large consecutive series on the size and location of ruptured intracranial aneurysms (RIAs) are limited, and therefore it has been difficult to estimate population-wide effects of size-based treatment strategies of unruptured intracranial aneurysms. The authors' aim was to define the size and location of RIAs in patients diagnosed with subarachnoid hemorrhage due to aneurysm rupture in a high-volume academic center. METHODS Consecutive patients admitted to a large nonprofit academic hospital with saccular RIAs between 1995 and 2009 were identified, and the size, location, and multiplicity of RIAs were defined and reported by patient sex...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27911233/elevated-preoperative-neutrophil-to-lymphocyte-ratio-as-a-predictor-of-worse-survival-after-resection-in-patients-with-brain-metastasis
#11
Koichi Mitsuya, Yoko Nakasu, Takeshi Kurakane, Nakamasa Hayashi, Hideyuki Harada, Kazuhiko Nozaki
OBJECTIVE The median postoperative survival duration of patients with brain metastases who undergo tumor resection is 12 months. Most of these patients die of systemic metastases or the progression of primary cancer but not brain metastases. The criteria for indicating resection are still controversial. Systemic assessment is restricted, especially in patients who need emergent management for their large-size or life-threatening brain metastases. The neutrophil-to-lymphocyte ratio (NLR) is reported to correlate with survival time or progression-free survival in patients with various cancers...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27911133/changes-in-cervical-movement-impairment-and-pain-following-orofacial-treatment-in-patients-with-chronic-arthralgic-temporomandibular-disorder-with-pain-a-prospective-case-series
#12
Francis Grondin, Toby Hall
The purpose of this study was to investigate the influence of isolated temporomandibular joint (TMJ) manual therapy on pain and range of motion (ROM) of the TMJ and cervical spine including flexion-rotation test (FRT) in people suffering chronic pain arising from chronic arthralgic temporomandibular disorder (TMD). An experienced clinician managed a case series of 12 patients with TMD (mean duration 28.6 months +/- 26.9). The intervention comprised four-weekly sessions of transverse medial accessory TMJ mobilization and advice...
December 2, 2016: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/27911099/nuclear-morphometric-findings-in-undetermined-cytology-a-possible-clue-for-prediction-of-braf-mutation-in-papillary-thyroid-carcinomas
#13
Sevdegul Mungan, Safak Ersoz, Ismail Saygin, Zeynep Sagnak, Umit Cobanoglu
PURPOSE: To investigate the possible relationship between the nuclear morphometric characteristics (nuclear perimeter, roundness, nuclear area, and nuclear shape) and BRAF mutation status in papillary thyroid carcinoma cases with a prior diagnosis of undetermined cytology. MATERIALS AND METHODS: Total thyroidectomy specimens obtained from 48 patients with papillary thyroid carcinoma with a prior diagnosis of undetermined cytology were included. Morphometric analysis under light microscopy included measurements of the perimeter, shape factor, nuclear area, and roundness of thyrocyte nuclei from the cytological smear preparations...
December 2, 2016: Endocrine Research
https://www.readbyqxmd.com/read/27911043/a-cyclic-alkyl-amino-carbene-as-two-atom-%C3%AF-chromophore-leading-to-the-first-phosphorescent-linear-cu-i-complexes
#14
Markus Gernert, Ulrich Müller, Martin Haehnel, Jens Pflaum, Andreas Steffen
A series of linear and trigonal copper(I) complexes bearing a cyclic alkyl(amino)carbene (CAAC) ligand show surprising photophysical properties when compared to their corresponding N-heterocyclic carbene (NHC) complexes. Whereas the linear NHC complexes [CuX(NHC)] are nearly non-emissive, [CuX(CAAC)] (X = Cl, Br, I) and [Cu(CAAC)2]PF6 show very bright emission from their triplet excited states in the blue to green region displaying quantum yields of up to 65% in the solid state, although the π-acceptor comprises only the carbene C and N atoms with no other π conjugation...
December 2, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27911042/orderly-layered-zr-benzylphosphonate-nanohybrids-for-efficient-acid-base-mediated-bifunctional-cascade-catalysis
#15
Hu Li, Zhen Fang, Jian He, Song Yang
The development of functional metal-organic materials being robust and active for bifunctional/cascade catalysis is of great significance. Herein, a series of mesoporous and orderly layered nanohybrids were synthesized for the first time via simple and template-free assembly of ortho-, meta-, or para-xylylenediphosphonates (o-, p-, or m-PhP) with zirconium. It was found that m-PhPZr nanoparticles (20-50 nm) with mesopores centered at 7.9 nm and high Lewis acid/base site ratio (1:0.7) showed prominent performance under mild conditions (as low as 82 ºC) in transfer hydrogenation of carbonyl compounds including bio-aldehydes to alcohols with near quantative yields and little Zr leaching...
December 2, 2016: ChemSusChem
https://www.readbyqxmd.com/read/27911004/a-comparison-of-the-neuropsychological-profiles-of-people-living-in-squalor-without-hoarding-to-those-living-in-squalor-associated-with-hoarding
#16
Sook Meng Lee, Matthew Lewis, Deborah Leighton, Ben Harris, Brian Long, Stephen Macfarlane
OBJECTIVE: Squalor affects 1 in 1000 older people and is regarded as a secondary condition to other primary disorders such as dementia, intellectual impairment and alcohol abuse. Squalor frequently is associated with hoarding behaviour. We compared the neuropsychological profile of people living in squalor associated with hoarding to those presenting with squalor only. METHODS: This study is a retrospective case series of hospital inpatient and community healthcare services of 69 people living in squalor (49 from aged care, 16 from aged psychiatry, 3 from acute medical and 1 from a memory clinic)...
December 2, 2016: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/27910976/the-first-example-of-palladium-catalyzed-cascade-amidine-arylation-intramolecular-ester-amidation-for-the-synthesis-of-hypoxanthines-application-to-the-synthesis-of-8-azanebularine-analogues
#17
Wu Yang, Haoran Ma, Qian Yang, Jingwen Wang, Yuan Liu, Qinghua Yang, Jie Wu, Chuanjun Song, Junbiao Chang
8-Azanebularine analogues display interesting antiviral, antitumour and biochemical activities. However, typical glycosylation of 8-azapurines always resulted in the desired products in low yields due to the lack of stereo- and regioselectivity of the glycosylation reaction. Herein, a concise synthetic route toward 8-azanebularine analogues has been developed. Key steps involve a copper-catalyzed 1,3-dipolar cycloaddition of a 1-β-azido sugar moiety with ethyl 3-bromopropiolate and a palladium-catalyzed cascade amidine arylation-intramolecular ester amidation reaction to build the hypoxanthine structural motif...
December 2, 2016: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/27910945/thyroid-transcription-factor-1-distinguishes-subependymal-giant-cell-astrocytoma-from-its-mimics-and-supports-its-cell-origin-from-the-progenitor-cells-in-the-medial-ganglionic-eminence
#18
Jen-Fan Hang, Chih-Yi Hsu, Shih-Chieh Lin, Chih-Chun Wu, Han-Jui Lee, Donald Ming-Tak Ho
Subependymal giant cell astrocytoma is a benign brain tumor mostly associated with tuberous sclerosis complex. However, it may be misinterpreted as other high-grade brain tumors due to the presence of large tumor cells with conspicuous pleomorphism and occasional atypical features, such as tumor necrosis and endothelial proliferation. In this study, we first investigated thyroid transcription factor-1 (TTF-1) expression in a large series of subependymal giant cell astrocytomas and other histologic and locational mimics to validate the diagnostic utility of this marker...
December 2, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/27910926/ionic-liquids-modified-graphene-oxide-composites-a-high-efficient-adsorbent-for-phthalates-from-aqueous-solution
#19
Xinguang Zhou, Yinglu Zhang, Zuteng Huang, Dingkun Lu, Anwei Zhu, Guoyue Shi
In 2015, more than 30% of erasers were found to contain a PAE content that exceeded the 0.1% limit established by the Quality and Technology Supervision Bureau of Jiangsu Province in China. Thus, strengthening the supervision and regulation of the PAE content in foods and supplies, in particular, remains necessary. Graphene oxide (GO) and its composites have drawn great interests as promising adsorbents for polar and nonpolar compounds. However, GO-based adsorbents are typically restricted by the difficult separation after treatment because of the high pressure in filtration and low density in centrifugation...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910863/compressive-sensing-with-optical-chaos
#20
D Rontani, D Choi, C-Y Chang, A Locquet, D S Citrin
Compressive sensing (CS) is a technique to sample a sparse signal below the Nyquist-Shannon limit, yet still enabling its reconstruction. As such, CS permits an extremely parsimonious way to store and transmit large and important classes of signals and images that would be far more data intensive should they be sampled following the prescription of the Nyquist-Shannon theorem. CS has found applications as diverse as seismology and biomedical imaging. In this work, we use actual optical signals generated from temporal intensity chaos from external-cavity semiconductor lasers (ECSL) to construct the sensing matrix that is employed to compress a sparse signal...
December 2, 2016: Scientific Reports
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