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https://www.readbyqxmd.com/read/29145263/ldl-cholesterol-goal-attainment-under-persistent-lipid-lowering-therapy-in-northeast-china-subgroup-analysis-of-the-dyslipidemia-international-study-of-china-dysis-china
#1
Wen Zheng, Yu-Jiao Zhang, Xiang-Ting Bu, Xin-Zhu Guo, Da-Yi Hu, Zhan-Quan Li, Jian Sun
Lipid-lowering therapy with statins reduces the risk of cardiovascular events, but the efficacy of persistent treatment in a real-world setting may vary from regions. Routine lipid-lowering therapy in the region with a high prevalence of cardiovascular disease may lead to more failures of goal attainment. We therefore performed a study to observe different lipid-lowering strategies in northeast (NE) China with respect to low-density lipoprotein-cholesterol (LDL-C) reduction and goal attainments.A cross-sectional study (DYSIS-China) was conducted in 2012, involving 25,317 patients from 122 centers across China who were diagnosed with hyperlipidemia and treated with lipid-lowering therapy for at least 3 months...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29145068/anorexigenic-effects-induced-by-rvd-hemopressin-%C3%AE-administration
#2
Claudio Ferrante, Lucia Recinella, Sheila Leone, Annalisa Chiavaroli, Chiara Di Nisio, Sara Martinotti, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: Hemopressin, VD-hemopressin(α) and RVD-hemopressin(α) are hemoglobin α chain derived-peptides which have been found in mouse brain, and where they modulate cannabinoid (CB) receptor function. The nonapeptide hemopressin has been reported to inhibit feeding after both central and peripheral administration, possibly playing a role of antagonist/inverse agonist of CB1 receptors, and consequently blocking the orexigenic effects of endogenous cannabinoids. VD-hemopressin(α) and RVD- hemopressin(α), are N-terminal extended forms of hemopressin...
June 3, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29141479/development-of-a-carboxymethyl-chitosan-functionalized-nanoemulsion-formulation-for-increasing-aqueous-solubility-stability-and-skin-permeability-of-astaxanthin-using-low-energy-method
#3
Liang Hong, Chuan-Li Zhou, Feng-Ping Chen, Dan Han, Chun-Yuan Wang, Jia-Xin Li, Zhe Chi, Chen-Guang Liu
In this research, firstly astaxanthin (ASX)-loaded nanoemulsions (NEs) were produced using a convenient low-energy emulsion phase inversion method. The optimised ASX-NEs were prepared in the presence of Cremophor(®) EL and Labrafil(®) M 1944 CS, with a surfactant-to-oil ratio of 4:6. The ASX-NE droplets were spherical with a mean droplet diameter below 100 nm and a small negative surface charge. The system was stable without alteration of mean droplet diameter for three months. Then, the ASX-NE was functionalised with carboxymethyl chitosan (CMCS) through direct CMCS (0...
November 15, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/29141207/distinct-terb1-domains-regulate-different-protein-interactions-in-meiotic-telomere-movement
#4
Jingjing Zhang, Zhaowei Tu, Yoshinori Watanabe, Hiroki Shibuya
Meiotic telomeres attach to the nuclear envelope (NE) and drive the chromosome movement required for the pairing of homologous chromosomes. The meiosis-specific telomere proteins TERB1, TERB2, and MAJIN are required to regulate these events, but their assembly processes are largely unknown. Here, we developed a germ-cell-specific knockout mouse of the canonical telomere-binding protein TRF1 and revealed an essential role for TRF1 in directing the assembly of TERB1-TERB2-MAJIN. Further, we identified a TERB2 binding (T2B) domain in TERB1 that is dispensable for the TRF1-TERB1 interaction but is essential for the subsequent TERB1-TERB2 interaction and therefore for telomere attachment to the NE...
November 14, 2017: Cell Reports
https://www.readbyqxmd.com/read/29140329/demonstration-of-a-cw-diode-pumped-ar-metastable-laser-operating-at-4%C3%A2-%C3%A2-w
#5
J Han, M C Heaven, P J Moran, G A Pitz, E M Guild, C R Sanderson, B Hokr
Optically pumped rare gas lasers are being investigated as potential high-energy, high beam quality systems. The lasing medium consists of rare gas atoms (Rg=Ne, Ar, Kr, or Xe) that have been electric discharge excited to the metastable np(5)(n+1)s P32 state. Following optical excitation, helium (He) at pressures of 200-1000 Torr is used as the energy transfer agent to create a population inversion. The primary technical difficulty for this scheme is the discharge production of sufficient Rg* metastables in the presence of >200  Torr of He...
November 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/29138939/responses-of-he-ne-laser-on-agronomic-traits-and-the-crosstalk-between-uvr8-signaling-and-phytochrome-b-signaling-pathway-in-arabidopsis-thaliana-subjected-to-supplementary-ultraviolet-b-uv-b-stress
#6
Limei Gao, Yongfeng Li, Zhihua Shen, Rong Han
UV-B acclimation effects and UV-B damage repair induced by a 632.8-nm He-Ne laser were investigated in Arabidopsis thaliana plants in response to supplementary UV-B stress. There was an increasing trend in growth parameters in the combination-treated plants with He-Ne laser and UV-B light compared to those stressed with enhanced UV-B light alone during different developmental stages of plants. The photosynthetic efficiency (Pn) and survival rates of seedlings were significantly higher in the combination treatments than UV-B stress alone...
November 14, 2017: Protoplasma
https://www.readbyqxmd.com/read/29137767/sonochemistry-of-aqueous-naaucl4-solutions-with-c3-c6-alcohols-under-a-noble-gas-atmosphere
#7
Kenji Okitsu, Itsuya Kurisaka, Ben Nanzai, Norimichi Takenaka, Hiroshi Bandow
The effect of the type of C3-C6 alcohol, solution temperature, and dissolved gas on the rate of Au(III) reduction was investigated in NaAuCl4 aqueous alcohol solution with a 200-kHz ultrasound irradiation system. It was confirmed in the presence of C3-C6 alcohol that more highly hydrophobic alcohols more effectively accumulated at the argon bubble interface region, and the reducing radicals formed here. To avoid changes in the bubble temperature during collapsing bubble, the effects of the solution temperature on the rate of Au(III) reduction and on the rate of formation of the gaseous compounds (CO, CO2, CH4, C2H2, C2H4, C2H6) were investigated in the presence of low concentration (1...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137746/ultrasonically-tailored-chemically-engineered-and-qbd-enabled-fabrication-of-agomelatine-nanoemulsion-optimization-characterization-ex-vivo-permeation-and-stability-study
#8
Shakeeb Ahmed, Azka Gull, Mahtab Alam, Mohd Aqil, Yasmin Sultana
The objective of present study was to develop a nanoemulsion formulation of agomelatine (BCS class II drug) for the solubility enhancement. Capmul MCM, Tween 80 and PEG-400 were selected as oil, surfactant and co-surfactant respectively. The high energy ultrasonication method was used for the preparation of nanoemulsion. Three-factor three-level central composite design was employed to get the best formulation. The independent variables selected for the optimization were % oil, %Smix and sonication time (second)...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29137551/environmental-manipulations-as-an-effective-alternative-treatment-to-reduce-endometriosis-progression
#9
Annelyn Torres-Reverón, Leslie L Rivera, Idhaliz Flores, Caroline B Appleyard
Treatments for endometriosis include pharmacological or surgical procedures that produce significant side effects. We aimed to determine how environmental enrichment (EE) could impact the progression of endometriosis using the autotransplantation rat model. Female rats were exposed to EE (endo-EE: toys and nesting materials, 4 rats per cage, larger area enclosure) or no enrichment (endo-NE: 2 rats per cage) starting on postnatal day 21. After 8 weeks, sham surgery or surgical endometriosis was induced by suturing uterine horn tissue next to the intestinal mesentery, then allowed to progress for 60 days during which EE or NE continued...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29136569/unleaded-gasoline-as-a-significant-source-of-pb-emissions-in-the-subarctic
#10
Vladislav Chrastný, Hana Šillerová, Martina Vítková, Anna Francová, Jan Jehlička, Jana Kocourková, Paul E Aspholm, Lars O Nilsson, Tore F Berglen, Henning K B Jensen, Michael Komárek
After the phasing out of leaded gasoline, Pb emissions to the atmosphere dramatically decreased, and other sources became more significant. The contribution of unleaded gasoline has not been sufficiently recognized; therefore, we evaluated the impact of Pb from unleaded gasoline in a relatively pristine area in Subarctic NE Norway. The influence of different endmembers (Ni slag and concentrate from the Nikel smelter in Russia, PM10 filters, and traffic) on the overall Pb emissions was determined using various environmental samples (snow, lichens, and topsoils) and Pb isotope tracing...
November 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/29136171/mating-system-and-effective-population-size-of-the-overexploited-neotropical-tree-myroxylon-peruiferum-l-f-and-their-impact-on-seedling-production
#11
Ellida de Aguiar Silvestre, Kaiser Dias Schwarcz, Carolina Grando, Jaqueline Bueno de Campos, Patricia Sanae Sujii, Evandro Vagner Tambarussi, Camila Menezes Trindade Macrini, José Baldin Pinheiro, Pedro Henrique Santin Brancalion, Maria Imaculada Zucchi
The reproductive system of a tree species has substantial impact on genetic diversity and structure within and among natural populations. Such information, should be considered when planning tree planting for forest restoration. Here, we describe the mating system and genetic diversity of an overexploited Neotropical tree, Myroxylon peruiferum L.f. (Fabaceae) sampled from a forest remnant (10 seed trees and 200 seeds) and assess whether the effective population size of nursery-grown seedlings (148 seedlings) is sufficient to prevent inbreeding depression in reintroduced populations...
November 10, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/29133432/locus-coeruleus-ablation-exacerbates-cognitive-deficits-neuropathology-and-lethality-in-p301s-tau-transgenic-mice
#12
Termpanit Chalermpalanupap, Jason P Schroeder, Jacki M Rorabaugh, L Cameron Liles, James J Lah, Allan I Levey, David Weinshenker
The brainstem locus coeruleus (LC) supplies norepinephrine (NE) to the forebrain and degenerates in Alzheimer's disease (AD). Loss of LC neurons is correlated with increased severity of other AD hallmarks including β-amyloid (Aβ) plaques, tau neurofibrillary tangles and cognitive deficits, suggesting that it contributes to the disease progression. Lesions of the LC in amyloid-based transgenic mouse models of AD exacerbate Aβ pathology, neuroinflammation, and cognitive deficits, but it is unknown how the loss of LC neurons affects tau-mediated pathology or behavioral abnormalities...
November 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29129597/cocaine-and-desipramine-elicit-distinct-striatal-noradrenergic-and-behavioral-responses-in-selectively-bred-obesity-resistant-and-obesity-prone-rats
#13
Peter J Vollbrecht, Kathryn M Nesbitt, Omar S Mabrouk, Aaron M Chadderdon, Emily M Jutkiewicz, Robert T Kennedy, Carrie R Ferrario
Previous studies have demonstrated a role for norepinephrine (NE) in energy regulation and feeding, and basal differences have been observed in hypothalamic NE systems in obesity-prone vs. obesity-resistant rats. Differences in the function of brain reward circuits, including in the nucleus accumbens (NAc), have been shown in obesity-prone vs. obesity-resistant populations, leading many researchers to explore the role of striatal dopamine in obesity. However, alterations in NE transmission also affect NAc mediated behaviors...
November 9, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29129596/amyloid-toxicity-is-enhanced-after-pharmacological-or-genetic-invalidation-of-the-%C3%AF-1-receptor
#14
Tangui Maurice, Manon Strehaiano, Fanny Duhr, Nathalie Chevallier
The sigma-1 receptor (S1R) is a molecular chaperone which activity modulates several intracellular signals including calcium mobilization at mitochondria-associated endoplasmic reticulum membranes. S1R agonists are potent neuroprotectants against neurodegenerative insults and particularly in rodent models of Alzheimer's disease (AD). We here analyzed whether S1R inactivation modifies vulnerability to amyloid toxicity in AD models. Two strategies were used: (1) amyloid β[25-35] (Aβ25-35) peptide (1, 3, 9nmol) was injected intracerebroventricularly in mice treated repeatedly with the S1R antagonist NE-100 or in S1RKO mice, and (2) WT, APPSweInd, S1RKO, and APPSweInd/S1RKO mice were created and female littermates analyzed at 8 months of age...
November 9, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29129397/environmental-baselines-and-reconstruction-of-atlantic-water-inflow-in-bj%C3%A3-rn%C3%A3-yrenna-sw-barents-sea-since-1800%C3%A2-ce
#15
Noortje Dijkstra, Juho Junttila, Steffen Aagaard-Sørensen
Metal concentrations, sediment properties and benthic foraminiferal assemblages were investigated in sediment cores in the SW Barents Sea, to reconstruct environmental baselines and natural variability of Atlantic Water inflow since 1800 CE. Metal concentrations correspond to no effect levels and do not influence the foraminifera. Increased Hg and Pb was linked to inflow of Atlantic Water. The data set is considered to reflect the pre-impacted environmental baseline and range in natural variability of the study area...
October 28, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/29128806/emotional-disorders-induced-by-hemopressin-and-rvd-hemopressin-%C3%AE-administration-in-rats
#16
Sheila Leone, Lucia Recinella, Annalisa Chiavaroli, Sara Martinotti, Claudio Ferrante, Adriano Mollica, Giorgia Macedonio, Azzurra Stefanucci, Szabolcs Dvorácskó, Csaba Tömböly, Luciano De Petrocellis, Michele Vacca, Luigi Brunetti, Giustino Orlando
BACKGROUND: The endocannabinoid (eCB) system plays an important role in regulating emotional disorders, and is involved, directly or indirectly, in psychiatric diseases, such as anxiety and depression. Hemopressin, a hemoglobin α chain-derived peptide, and RVD-hemopressin(α), a N-terminally extended form of hemopressin, act as antagonist/inverse agonist and negative allosteric modulator of the cannabinoid 1 (CB1) receptor, respectively. METHODS: Considering the possible involvement of these peptides on emotional behaviour, the aim of our study was to investigate the behavioural effects of a single intraperitoneal (ip) injection of hemopressin (0...
June 23, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29127399/radial-extracorporeal-shock-wave-therapy-enhances-the-proliferation-and-differentiation-of-neural-stem-cells-by-notch-pi3k-akt-and-wnt-%C3%AE-catenin-signaling
#17
Jing Zhang, Nan Kang, Xiaotong Yu, Yuewen Ma, Xining Pang
Neural stem cell (NSC) proliferation and differentiation play a pivotal role in the repair of brain function in central nervous system (CNS) diseases. Radial extracorporeal shock wave therapy (rESWT) is a non-invasive and innovative treatment for many conditions, yet little is known about the effects of this treatment on NSCs. Mouse NSCs (NE-4C) were exposed to rESWT with 1.0, 1.5, 2.0, 2.5, 3.0, and 3.5 bar (500 impulses, and 2 Hz) in vitro. Cell viability test results indicated that rESWT, at a dose of 2...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29127334/biological-assessments-of-multifunctional-hydrogel-decorated-implantable-neural-cuff-electrode-for-clinical-neurology-application
#18
Han-Jun Kim, Dong Nyoung Heo, Yi Jae Lee, Sang Jin Lee, Ji Yoon Kang, Soo Hyun Lee, I I Keun Kwon, Sun Hee Do
The implantable cuff electrode is an effective neuroprosthetic device in current nerve tissue engineering. However, biocompatibility and stability are still a serious dispute in terms of in vivo function and continuous monitoring. In this regard, assessing the host's biological response to biomaterials is one of the key factors of chronic implantation. In this article, we analyzed the peripheral nerve specific-biological responses to the application of multi-functional hydrogel-coated electrodes. The surface of the cuff electrode was modified using a multifunctional hydrogel composed of PEG hydrogel, cyclosporin A(CsA)-microsphere(MS) and electrodeposited PEDOT:PSS...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29123236/induction-of-glucose-uptake-in-skeletal-muscle-by-central-leptin-is-mediated-by-muscle-%C3%AE-2-adrenergic-receptor-but-not-by-ampk
#19
Tetsuya Shiuchi, Chitoku Toda, Shiki Okamoto, Eulalia A Coutinho, Kumiko Saito, Shinji Miura, Osamu Ezaki, Yasuhiko Minokoshi
Leptin increases glucose uptake and fatty acid oxidation (FAO) in red-type skeletal muscle. However, the mechanism remains unknown. We have investigated the role of β2-adrenergic receptor (AR), the major β-AR isoform in skeletal muscle, and AMPK in leptin-induced muscle glucose uptake of mice. Leptin injection into the ventromedial hypothalamus (VMH) increased 2-deoxy-D-glucose (2DG) uptake in red-type skeletal muscle in wild-type (WT) mice accompanied with increased phosphorylation of the insulin receptor (IR) and Akt as well as of norepinephrine (NE) turnover in the muscle...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29123168/clinical-parameters-and-gut-microbiome-changes-before-and-after-surgery-in-thoracic-aortic-dissection-in-patients-with-gastrointestinal-complications
#20
Shuai Zheng, Shulin Shao, Zhiyu Qiao, Xue Chen, Chunmei Piao, Ying Yu, Feng Gao, Jie Zhang, Jie Du
Thoracic aortic dissection (TAAD) is one of the most common types of aortic diseases. Although surgery remains the main method of treatment, the high rate of postoperative gastrointestinal complications significantly influences the effects of surgery and the recovery process. Moreover, the mechanisms underlying this disease remain unclear. To address these problems, we examined changes in the gut microbiota in 40 thoracic aortic dissection patients with abdominal complications after surgery. Levels of white blood cells (WBC), neutrophile granulocytes (NE), alanine aminotransferase (ALT), and aspartate aminotransferase (AST) were higher in all patients after surgery...
November 9, 2017: Scientific Reports
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