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https://www.readbyqxmd.com/read/28438631/in-vivo-inhibitory-activity-of-andrographolide-derivative-adn-9-against-liver-cancer-and-its-mechanisms-involved-in-inhibition-of-tumor-angiogenesis
#1
Wei Yang, Jin Zhao, Yake Wang, Haiwei Xu, Zhenwei Wu, Yangyang Hu, Kunkun Jiang, Pengpeng Shen, Cuiyun Ma, Zhenzhen Guan, Yan Zhang, Jiahui Ma, Ning Shang, Guangming Yan, Zhenji Wang, Guifu Dai
It is well known that liver cancer is a highly aggressive malignancy with poor prognosis. Andrographolide (AD), a major bioactive component of Andrographis paniculata (Burm. F.), is a potential anti-cancer pharmacophore and the synthesis of AD derivatives with better cytotoxicity to cancer cells has attracted considerable attentions. In the present study, we evaluated the in vivo inhibitory effects of ADN-9, a 15-benzylidene substituted derivative of AD, on the growth and metastasis of murine hepatoma H22 using an orthotopic xenograft model and a subcutaneous xenograft model, and we further studied the anti-angiogenic action and the related mechanisms of ADN-9 in vivo and in vitro...
April 21, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28395518/intracerebroventricular-administration-of-adiponectin-attenuates-streptozotocin-induced-memory-impairment-in-rats
#2
R Mazrooie, K Rohampour, M Zamani, N Hosseinmardi, M Zeraati
Alzheimer's disease (AD) has been reported to be linked with diabetes mellitus and insulin resistance. Adiponectin (ADN), an adipocytokine secreted from adipose tissue, is involved in the regulation of insulin sensitivity, energy homeostasis, and mitochondrial dysfunction. In this study, we examined the effect of ADN on passive avoidance memory in animal model of sporadic AD (sAD). On days 1 and 3 after cannulation, rats received intracerebroventricular (icv) injection of streptozotocin (STZ) (3 mg/kg). Thirty minutes before the learning process, animals received saline or ADN in different doses (6, 60, and 600 µg)...
April 11, 2017: Physiology International
https://www.readbyqxmd.com/read/28351714/evaluation-of-environmental-and-nutritional-factors-and-sua-gene-on-in%C3%A2-vitro-biofilm-formation-of-streptococcus-uberis-isolates
#3
Melina Vanesa Moliva, Florencia Cerioli, Elina Beatriz Reinoso
The pathogenesis of Streptococcus uberis is attributed to a combination of extracellular factors and properties such as adherence and biofilm formation. The aim of this work was to evaluate the influence of different factors, additives and bovine milk compounds on S. uberis biofilm formation, as the presence of the sua gene by PCR. Additionally, extracellular DNA and the effect of DNaseI were evaluated in the biofilms yielded. Optimal biofilm development was observed when the pH was adjusted to 7.0 and 37 °C...
March 27, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28291828/retinoic-acid-exacerbates-chlorpyrifos-action-in-ensuing-adipogenic-differentiation-of-c3h10t%C3%A2-cells-in-a-gsk3%C3%AE-dependent-pathway
#4
Harkirat Singh Sandhu, A J S Bhanwer, Sanjeev Puri
The cell differentiation can be exploited as a paradigm to evaluate the effects of noxious chemicals, on human health, either alone or in combinations. In this regard, the effect of a known cell differentiation agent, retinoic acid (RA) was analyzed in the presence of a noxious chemical chlorpyrifos (CPF), an organophosphate (OP), the receptors of which have recently been localized to mesenchymal stem cells (MSCs). The observed imbalance of adipogenic to skeletal differentiation by CPF together with conundrum about adipogenic potential of RA prompted us to delineate their combinatorial effects on C3H10T½MSC-like undifferentiated cells...
2017: PloS One
https://www.readbyqxmd.com/read/28274940/aortic-depressor-nerve-stimulation-does-not-impede-dynamic-characteristics-of-the-carotid-sinus-baroreflex-in-normotensive-or-spontaneously-hypertensive-rats
#5
Toru Kawada, Michael J Turner, Shuji Shimizu, Masafumi Fukumitsu, Atsunori Kamiya, Masaru Sugimachi
Recent clinical trials in patients with drug-resistant hypertension indicate that electrical activation of the carotid sinus baroreflex (baroreflex activation therapy) can reduce arterial pressure (AP) for more than a year. To examine whether the electrical stimulation from one baroreflex system impedes normal short-term AP regulation via another unstimulated baroreflex system, we electrically stimulated the left aortic depressor nerve (ADN) while estimating the dynamic characteristics of the carotid sinus baroreflex in anesthetized normotensive Wistar-Kyoto (WKY, n=8) rats and spontaneously hypertensive rats (SHR, n=7)...
March 8, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28274116/exciplex-sensitized-triplet-triplet-annihilation-in-heterojunction-organic-thin-film
#6
Bo-Yen Lin, Connor J Easley, Chia-Hsun Chen, Po-Chen Tseng, Ming-Zer Lee, Pin-Hao Sher, Juen-Kai Wang, Tien-Lung Chiu, Chi-Feng Lin, Christopher J Bardeen, Jiun-Haw Lee
A new concept for organic light-emitting diodes (OLEDs) is presented, which is called exciplex-sensitized triplet-triplet annihilation (ESTTA). The exciplex formed at the organic heterojunction interface of 4,4',4″-tris(N-3-methyphenyl-N-phenyl-amino) triphenylamine and 9,10-bis(2'-naphthyl) anthracene (ADN) is used to sensitize the triplet-triplet annihilation (TTA) process on the ADN molecules. This results in a turn-on voltage (2.2 V) of the blue emission from the OLED below the bandgap (2.9 eV). From the transient electroluminescence measurement, blue emission totally came from the TTA process without direct recombination on the ADN molecules...
March 29, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28269263/a-wireless-system-with-stimulation-and-recording-capabilities-for-interfacing-peripheral-nerves-in-rodents
#7
P Schonle, F Michoud, N Brun, A Guex, S P Lacour, Q Wang, Q Huang
Considerable progress has been made in the last decade in implantable bioelectronic neurosystems. Yet most neural implants are used in acute and tethered experimental conditions. Here, we present a preliminary prototype of a multichannel system for simultaneous peripheral nerve stimulation and neural recording. The system comprises miniaturized electronics with a total volume of less then 1.4cm3 including a 3.7V battery which is expected to last for 94 days of standby operation or 18 hours of continuous recording and stimulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28263358/writing-development-in-associate-degree-in-nursing-to-baccalaureate-degree-in-nursing-students-moving-out-of-the-comfort-zone
#8
Deborah E Tyndall, Elaine S Scott
BACKGROUND: The nursing profession has made several unsuccessful attempts to differentiate practice between nurses with associate degrees and baccalaureate degrees entering the workforce. Writing competency has been identified as one potential area of differentiation. METHOD: A descriptive, qualitative research design was used to explore Associate Degree in Nursing-to-Baccalaureate Degree in Nursing (ADN-to-BSN) graduates' perceptions of scholarly writing development in their baccalaureate studies...
March 1, 2017: Journal of Nursing Education
https://www.readbyqxmd.com/read/28261588/comparison-of-visceral-fat-accumulation-and-metabolome-markers-among-cats-of-varying-bcs-and-novel-classification-of-feline-obesity-and-metabolic-syndrome
#9
Yuki Okada, Motoo Kobayashi, Masaki Sawamura, Toshiro Arai
As in humans, obesity and its associated diseases represent the most significant threat to the health of veterinary populations. Previous human studies have provided insights into the risk factors of obesity, complex pathogenesis of obesity-associated diseases, and their life-threatening consequences. In humans, the "metabolic syndrome" represents a cluster of metabolic risk factors associated with the development of cardiovascular disease. Risk factors for metabolic syndrome, such as diabetes, obesity, high blood pressure, and its complications increase health-care utilization and medical expenses...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28252486/rn-to-bsn-transition-a-concept-analysis
#10
Tracy Phillips, Jennifer L Titzer Evans
Over 670,000 ADN- and diploma-prepared nurses will need to complete their BSN degrees to meet the Institute of Medicine's recommendation that at least 80% of registered nurses (RNs) be BSN-prepared by year 2020. Understanding motivators, barriers, and the transition experience for RNs to advance their degree will help educators and nurse leaders understand the importance of a partnership to educate and mentor RNs to pursue a BSN degree.
March 2017: Journal for Nurses in Professional Development
https://www.readbyqxmd.com/read/28250151/oscillatory-synchrony-between-head-direction-cells-recorded-bilaterally-in-the-anterodorsal-thalamic-nuclei
#11
William N Butler, Jeffrey Steven Taube
The head direction (HD) circuit is a complex, interconnected network of brain regions ranging from the brainstem to the cortex. Recent work found that HD cells co-recorded ipsilaterally in the anterodorsal nucleus (ADN) of the thalamus displayed coordinated firing patterns. A high frequency oscillation pattern (130-160 Hz) was visible in the cross-correlograms of these HD cell pairs. Spectral analysis further found that the power of this oscillation was greatest at 0 ms and decreased at greater lags, and demonstrated that there was greater synchrony between HD cells with similar tunings...
March 1, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28231422/adiponitrile-litfsi-solution-as-alkylcarbonate-free-electrolyte-for-lto-nmc-li-ion-batteries
#12
Douaa Farhat, Fouad Ghamouss, Julia Maibach, Kristina Edström, Daniel Lemordant
Recently, dinitriles (NC(CH2)nCN) and especially adiponitrile (ADN, n=4) have attracted the attention as secure electrolyte solvents due to their chemical stability, high boiling points, high flash points and low vapor pressure. The good solvating properties of ADN toward lithium salts and its high electrochemical stability (~ 6V vs. Li/Li+) make it suitable for safer Li-ions cells without performances loss. In this study, ADN is used as a single electrolyte solvent with lithium bis(trimethylsulfonyl)imide (LiTFSI)...
February 23, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28227497/a-wireless-system-with-stimulation-and-recording-capabilities-for-interfacing-peripheral-nerves-in-rodents
#13
P Schonle, F Michoud, N Brun, A Guex, S P Lacour, Q Wang, Q Huang, P Schonle, F Michoud, N Brun, A Guex, S P Lacour, Q Wang, Q Huang, N Brun, A Guex, P Schonle, Q Huang, Q Wang, S P Lacour, F Michoud
Considerable progress has been made in the last decade in implantable bioelectronic neurosystems. Yet most neural implants are used in acute and tethered experimental conditions. Here, we present a preliminary prototype of a multichannel system for simultaneous peripheral nerve stimulation and neural recording. The system comprises miniaturized electronics with a total volume of less then 1.4cm(3) including a 3.7V battery which is expected to last for 94 days of standby operation or 18 hours of continuous recording and stimulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28179469/lesion-localization-of-speech-comprehension-deficits-in-chronic-aphasia
#14
Sara B Pillay, Jeffrey R Binder, Colin Humphries, William L Gross, Diane S Book
OBJECTIVE: Voxel-based lesion-symptom mapping (VLSM) was used to localize impairments specific to multiword (phrase and sentence) spoken language comprehension. METHODS: Participants were 51 right-handed patients with chronic left hemisphere stroke. They performed an auditory description naming (ADN) task requiring comprehension of a verbal description, an auditory sentence comprehension (ASC) task, and a picture naming (PN) task. Lesions were mapped using high-resolution MRI...
March 7, 2017: Neurology
https://www.readbyqxmd.com/read/28141882/integrative-review-of-admission-factors-related-to-associate-degree-nursing-program-success
#15
Jeanette M Olsen
BACKGROUND: High attrition in associate degree nursing (ADN) programs contributes to the nursing shortage and causes hardship for students, families, faculty, colleges, and taxpayers. The purpose of this integrative literature review is to identify admission criteria related to ADN program success to inform evidence-based admission policies and reduce attrition. METHOD: Integrative review methodology, suggested by Whittemore and Knafl, was used. A systematic search of existing professional literature was conducted using five databases and key word searches...
February 1, 2017: Journal of Nursing Education
https://www.readbyqxmd.com/read/28110120/effects-of-two-different-dialytic-treatments-on-inflammatory-markers-in-people-with-end-stage-renal-disease-with-and-without-type-2-diabetes-mellitus
#16
Giuseppe Derosa, Carmelo Libetta, Pasquale Esposito, Ilaria Borettaz, Carmine Tinelli, Angela D'angelo, Pamela Maffioli
This study was aimed to evaluate the effects on some inflammatory markers of two dialytic treatments [bicarbonate dialysis (BHD) and hemodiafiltration (HDF)] in patients with severe chronic kidney disease. We evaluated: blood glucose, homeostasis model assessment insulin resistance index, homocistein (Hcs), high sensitivity C-reactive protein (hs-CRP), fibrinogen, lipoprotein (a) [Lp(a)], metalloproteinases-2, and -9 (MMP-2 and MMP-9), and soluble receptor for advanced glycation end products (sRAGE). Considering the all sample, we observed a decrease of sRAGE with BHD, but not with HDF...
January 18, 2017: Cytokine
https://www.readbyqxmd.com/read/27923576/comparison-of-heterotrophic-and-autotrophic-denitrification-processes-for-treating-nitrate-contaminated-surface-water
#17
Zheng Wang, Xiang Fei, Shengbing He, Jungchen Huang, Weili Zhou
The goal of this study was to compare the nitrogen removal rate, effluent algal growth potential (AGP), nitrous oxide (N2O) emissions and global warming potential (GWP) between two laboratory-scale bioreactors: the autotrophic denitrification biofilter (ADBF) and heterotrophic denitrification biofilter (HDBF) for treating nitrate-contaminated surface water. The comparative study of nitrogen removal rate between ADBF and HDBF was conducted by a long-term experiment, and the comparative study of the effluent AGP, N2O emissions and GWP between ADBF and HDBF were carried out by the corresponding batch tests...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27844282/morphological-changes-in-a-severe-model-of-parkinson-s-disease-and-its-suitability-to-test-the-therapeutic-effects-of-microencapsulated-neurotrophic-factors
#18
C Requejo, J A Ruiz-Ortega, H Bengoetxea, A García-Blanco, E Herrán, A Aristieta, M Igartua, J L Pedraz, L Ugedo, R M Hernández, J V Lafuente
The unilateral 6-hydroxydopamine (6-OHDA) lesion of medial forebrain bundle (MFB) in rats affords us to study the advanced stages of Parkinson's disease (PD). Numerous evidences suggest synergic effects when various neurotrophic factors are administered in experimental models of PD. The aim of the present work was to assess the morphological changes along the rostro-caudal axis of caudo-putamen complex and substantia nigra (SN) in the referred model in order to test the suitability of a severe model to evaluate new neurorestorative therapies...
November 14, 2016: Molecular Neurobiology
https://www.readbyqxmd.com/read/27709932/azole-functionalized-polyoxo-titanium-clusters-with-sunlight-driven-dye-degradation-applications-synthesis-structure-and-photocatalytic-studies
#19
Nagaraju Narayanam, Kalpana Chintakrinda, Wei-Hui Fang, Yao Kang, Lei Zhang, Jian Zhang
Six polyoxo-titanium clusters (PTCs) with varying nuclearities containing Ti-N bonds and heteronuclearity, namely, [Ti6(μ3-O)2(μ2-O)2(O3P-Phen)2(OiPr)10(1-hbta)2] (PTC-37), Ti8(μ3-O)2(μ2-O)2(O3P-Phen)2(OiPr)16(adn)2(NO3)2] (PTC-38), [Ti4(μ3-O)(μ2-O)(μ2-OiPr)2(OiPr)4(O3P-Phen)3(1,10-phn)](HOiPr) (PTC-39), [Ti4(μ3-O)(μ2-OiPr)3(OiPr)5(O3P-Phen)3(Im)] (PTC-40), [Ti4(μ3-O)(μ2-OiPr)3(OiPr)5(O3P-Phen)3(Im)][Ti3M(μ3-O)(μ2-OiPr)3(OiPr)3(O3P-Phen)3(Im)] (M = Co for PTC-41 and M = Zn for PTC-42; O3P-Phen = phenyl phosphonate, 1-hbta = 1-hydroxy benzotriazolate, adn = adenine, 1,10-phn = 1,10-phenanthroline, Im = imidazolate, and OiPr = isopropoxide) were prepared as crystalline samples and structurally characterized...
October 6, 2016: Inorganic Chemistry
https://www.readbyqxmd.com/read/27676325/the-effect-of-chronic-activation-of-the-novel-endocannabinoid-receptor-gpr18-on-myocardial-function-and-blood-pressure-in-conscious-rats
#20
Asmaa I Matouk, Ashraf Taye, Mohamed A El-Moselhy, Gehan H Heeba, Abdel A Abdel-Rahman
Although acute activation of the novel endocannabinoid receptor GPR18 causes hypotension, there are no reports on GPR18 expression in the heart or its chronic modulation of cardiovascular function. In this study, after demonstrating GPR18 expression in the heart, we show that chronic (2 weeks) GPR18 activation with its agonist abnormal cannabidiol (abn-cbd; 100 µg·kg·d; i.p) produced hypotension, suppressed the cardiac sympathetic dominance, and improved left ventricular (LV) function (increased the contractility index dp/dtmax and reduced LV end-diastolic pressure, LVEDP) in conscious rats...
January 2017: Journal of Cardiovascular Pharmacology
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