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https://www.readbyqxmd.com/read/29166540/statistical-optimization-of-an-rp-hplc-method-for-the-determination-of-selected-flavonoids-in-berry-juices-and-evaluation-of-their-antioxidant-activities
#1
Andrija Ciric, Milena Jelikic-Stankov, Milica Cvijovic, Predrag Djurdjevic
An isocratic RP-HPLC method for the separation and identification of selected flavonoids (quercetin, rutin, luteolin-7-O-glucoside, kaempferol, and kaempferol-3-O-glucoside) in commercial berries juices (blackcurrant, blueberry, red raspberry and cherry) was developed with the aid of central composite design and response surface methodology. The optimal separation conditions were a mobile phase of 85:15 (% v/v) water/acetonitrile, pH of 2.8 (adjusted with formic acid), flow rate 0.5 mL/min and column temperature of 35 °C...
November 22, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29155306/reverse-t3-interacts-with-%C3%AE-v%C3%AE-3-integrin-receptor-and-restores-enzyme-activities-in-the-hippocampus-of-hypothyroid-developing-rats-insight-on-signaling-mechanisms
#2
Juliana Tonietto Domingues, Daiane Cattani, Patricia Acordi Cesconetto, Bianka Alzira Nascimento de Almeida, Paula Peirozan, Guilherme Razzera, Fátima Regina Mena Barreto Silva, Regina Pessoa-Pureur, Ariane Zamoner
In the present study we provide evidence that 3,3',5'-triiodothyronine (reverse T3, rT3) restores neurochemical parameters induced by congenital hypothyroidism in rat hippocampus. Congenital hypothyroidism was induced by adding 0.05% propylthiouracil in the drinking water from gestation day 8 and continually up to lactation day 15. In the in vivo rT3 exposure, hypothyroid 12-day old pups were daily injected with rT3 (50 ng/kg body weight) or saline until day 14. In the ex vivo rT3 treatment, hippocampal slices from 15-day-old hypothyroid pups were incubated for 30 min with or without rT3 (1 nM)...
November 16, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29152931/can-red-blood-cell-distribution-width-predict-outcome-after-cardiac-arrest
#3
Vito Fontana, Savino Spadaro, Paola Villois, Claudia Righy Shinotsuka, Alberto Fogagnolo, Leda Nobile, Jean-Louis Vincent, Jacques Creteur, Fabio S Taccone
BACKGROUND: In critically ill patients, high red blood cell distribution width (RDW) values have been associated with increased hospital mortality, but there are no data on the impact of RDW on outcomes of patients resuscitated from cardiac arrest (CA). The aim of this study was to investigate the relationship between RDW and long-term neurologic outcome in CA survivors. METHODS: We performed a retrospective analysis of an institutional database including all unconscious adult patients admitted to the intensive care unit (ICU) after non-traumatic CA between January 2007 and January 2015...
November 17, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29149084/preparative-separation-and-purification-of-four-glycosides-from-gentianae-radix-by-high-speed-counter-current-chromatography-and-comparison-of-their-anti-no-production-effects
#4
Bao Chen, Yinghua Peng, Xinhui Wang, Zhiman Li, Yinshi Sun
Secoiridoid and iridoid glycosides are the main active components of Gentianaeradix. In this work, one iridoid and three secoiridoid glycosides from Gentianaeradix have been purified by high-speed counter-current chromatography in two runs using different solvent systems. Ethyl acetate-n-butanol-water (2:1:3, v/v/v) was the optimum solvent system to purify ca. 4.36 mg of loganic acid, 3.05 mg of swertiamarin, and 35.66 mg of gentiopicroside with 98.1%, 97.2% and 98.6% purities, respectively, while 31.15 mg of trifloroside with 98...
November 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29142777/-trajectory-of-lumbar-and-sacral-pedicular-screws-comparison-between-midline-versus-wiltse-approach
#5
Martín Gagliardi, Alfredo Guiroy, Federico Fernández Molina, Francisco Fasano, Alejandro Morales Ciancio, Juan José Mezzadri, Pablo Jalón
Objectives: To compare the posterolateral Wiltse approach and conventional Midline approach in short lumbosacral fusions in terms of the angle of convergence of pedicle screws. Methods: We retrospectively reviewed computed tomography (CT) images of 76 lumbar and sacral pedicular screws that had been placed using a conventional midline approach (CA) (n = 38) and a Wiltse posterolateral approach (WA) (n = 38). All patients underwent short lumbosacral fusions from L3 to S1 for degenerative spinal disease...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29140878/clear-cell-renal-cell-carcinoma-metastatic-to-the-gynecologic-tract-a-clinicopathologic-analysis-of-17-cases
#6
Oluwole Fadare, Mohamed M Desouki, Katja Gwin, Krisztina Z Hanley, Elke A Jarboe, Sharon X Liang, Charles M Quick, Kojo R Rawish, Andres A Roma, Wenxin Zheng, Jonathan L Hecht, Vinita Parkash, Adeboye O Osunkoya
Clear cell renal cell carcinomas (CCRCC) rarely metastasizes to the gynecologic tract. In this study, we analyzed a multi-institutional data set to provide insights into the clinical, morphologic, and immunophenotypic features of this phenomenon. Seveteen metastatic CCRCC involving the gynecologic tract [ovary/fallopian tube (n=9), vulva (n=2), uterine corpus (n=3), cervix (n=2), uterine serosa (n=1)] were analyzed. Mean patient age was 62 yr (range: 45-79 yr). Most cases (15/17) presented as a recurrence 6 to 72 mo postnephrectomy, 1 case was concurrently diagnosed, and 1 case (a cervical metastasis) was diagnosed prenephrectomy...
November 14, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29138268/n-acyl-amino-acids-elmiric-acids-endogenous-signaling-molecules-with-therapeutic-potential
#7
Sumner Burstein
The subject of N-acyl amino acid conjugates has been rapidly growing in recent years, especially with regard to their analgesic and anti-inflammatory actions. The field is comprised of a large family of lipid signaling molecules whose importance is only now being fully realized. The most widely studied member is N-arachidonoyl glycine (NAGly), which differs structurally from the endocannabinoid anandamide (N-arachidonoyl ethanolamide) by a single oxygen atom and the two are metabolically related. Topics that are covered in this mini review are: biosynthetic pathways for N-acyl amino acids, receptors for N-acyl amino acids, physiological actions of N-acyl amino acids, pharmacological effects of N-acyl amino acids and molecular mechanisms believed to be responsible for their effects...
November 14, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/29136777/anti-hypertensive-and-vasodilatory-effects-of-amended-banxia-baizhu-tianma-tang
#8
Chu Shan Tan, Yean Chun Loh, Chiew Hoong Ng, Yung Sing Ch'ng, Mohd Zaini Asmawi, Mariam Ahmad, Mun Fei Yam
Although Banxia Baizhu Tianma Tang (BBT) has been long administered for hypertensive treatment in Traditional Chinese Medicine (TCM), the ratio of the herbal components that makes up the formulation has not been optimized with respect to the anti-hypertensive effect that it inherently possesses. A newly amended BBT (ABBT) formulation was developed using the evidence-based approach of orthogonal stimulus-response compatibility model. The ABBT showed enhanced therapeutic effect while maintaining its traditional theoretical approach rooted in TCM...
November 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29135115/effectiveness-and-safety-profile-of-ipilimumab-therapy-in-previously-treated-patients-with-unresectable-or-metastatic-melanoma-the-romanian-patient-access-program
#9
Dan Corneliu Jinga, Tudor Ciuleanu, Serban Negru, Ciprian Aldea, Laurentia Gales, Florin Bacanu, Cristina Oprean, Mihai Manolache, Daniela Zob, Stefan Curescu, Dana-Lucia Stanculeanu
PURPOSE: The Romanian Patient Access Program (Ro-PAP, CA 184-427), part of the European Expanded Access Program (EAP), was developed to evaluate the effectiveness and safety profile ipilimumab in previously treated patients with advanced melanoma (unresectable or metastatic melanoma). The objective of our retrospective observational study of patients included in this program was to provide data recorded in real-life settings. METHODS: We analysed 89 patients enrolled in Ro-PAP, CA 184-427 (54 men and 35 women) aged between 29 and 89 years...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29129516/is-there-a-potential-link-between-vitamin-d-and-pulmonary-morbidities-in-preterm-infants
#10
Yang Yang, Yun Feng, Xu Chen, Xiao-Nan Mao, Jing-Han Zhang, Li Zhao, You-Yan Zhao, Rui Cheng
BACKGROUND: There hasn't been conclusive proof about the association between vitamin D and pulmonary morbidities of prematurity. METHODS: 106 preterm infants were retrospectively included into this study. Clinical data and blood samples of all the patients were collected within 24 h of admission. RESULTS: (1) Respiratory distress syndrome (RDS) patients were mainly concentrated in "≤30 weeks" stage when compared with other two gestational age groups...
November 9, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29128496/nickel-ii-pyrrocorphin-enhanced-binding-ability-in-a-highly-reduced-porphyrin-complex
#11
Yuki Ide, Takamitsu Kuwahara, Syo Takeshita, Rei Fujishiro, Masaaki Suzuki, Shigeki Mori, Hiroshi Shinokubo, Mikio Nakamura, Katsumi Yoshino, Takahisa Ikeue
Pyrrocorphin is an air-sensitive porphyrinoid with a highly reduced hexahydroporphyrin core. In contrast, pyrrolidine-fused pyrrocorphin (Pyr) obtained by successive 1,3-dipolar cycloaddition reactions of azomethine ylide to 5,10,15,20-tetrakis(pentafluorophenyl)porphyrin is less air-sensitive. In order to reveal the effect of highly reduced porphyrin rings on the physicochemical properties of their metal complexes, we have prepared diamagnetic (S=0) Ni(II) complex Ni(II)(Pyr). The addition of excess pyridine (Py) to the toluene solution of Ni(II)(Pyr) yielded five-coordinate Ni(II)(Pyr)(Py), which was then completely converted to six-coordinate paramagnetic (S=1) Ni(II)(Pyr)(Py)2...
November 4, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/29113277/sequence-variations-of-mitochondrial-dna-d-loop-region-in-patients-with-acute-myeloid-leukemia
#12
Juan Zhou, Haimei Gou, Yuanxin Ye, Yi Zhou, Xiaojun Lu, Binwu Ying
The aim of the present study was to explore variations of the displacement (D)-loop region in patients with acute myeloid leukemia (AML) and their possible associations with AML pathogenesis. Blood or bone marrow samples from 216 patients with AML (158 AML patients in the first stage, and 58 more patients with AML-M3 for further verification), and 146 healthy controls were collected. Sanger sequencing was performed for the D-loop region ranging between nucleotide (nt)15811 and nt 775. With the exception of mitochondrial microsatellite instability (mtMSI) variations, a total of 2,630 variations in 232 loci were identified with similar variation rates/person in patients with AML and controls when compared with the revised Cambridge reference sequence (8...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29107716/pacsin-2-is-required-for-the-maintenance-of-a-normal-cardiac-function-in-the-developing-mouse-heart
#13
Judith Semmler, Jan Kormann, Sureshkumar Perumal Srinivasan, Annette Köster, Daniel Sälzer, Michael Reppel, Jürgen Hescheler, Markus Plomann, Filomain Nguemo
The Pacsin proteins (Pacsin 1, 2 and 3) play an important role in intracellular trafficking and thereby signal transduction in many cells types. This study was designed to examine the role of Pacsin 2 in cardiac development and function. We investigated the development and electrophysiological properties of Pacsin 2 knockout (P2KO) hearts and single cardiomyocytes isolated from 11.5 and 15.5days old fetal mice. Immunofluorescence experiments confirmed the lack of Pacsin 2 protein expression in P2KO cardiac myocytes in comparison to wildtype (WT)...
October 28, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29102132/effects-of-supplemental-calcium-salts-of-palm-oil-and-chromium-propionate-on-insulin-sensitivity-and-productive-and-reproductive-traits-of-mid-to-late-lactating-holstein-%C3%A3-gir-dairy-cows-consuming-excessive-energy
#14
T Leiva, R F Cooke, A P Brandão, R D Bertin, E A Colombo, V F B Miranda, L A C Lourenço, S M B Rodrigues, J L M Vasconcelos
This experiment compared insulin sensitivity, milk production, and reproductive outcomes in dairy cows consuming excessive energy during mid to late lactation and receiving in a 2 × 2 factorial design (1) concentrate based on ground corn (CRN; n = 20) or including 8% (DM basis) of Ca salts of palm oil (CSPO; n = 20), and (2) supplemented (n = 20) or not (n = 20) with 2.5 g/d of Cr-propionate. During the experiment (d 0-203), 40 multiparous, nonpregnant, lactating 3/4 Holstein × 1/4 Gir cows (initial days in milk = 81 ± 2; mean ± SE) were offered corn silage for ad libitum consumption, and individually received concentrate formulated to allow diets to provide 160% of their daily net energy for lactation requirements...
October 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29099682/er-cr-ysgg-laser-energy-delivery-pulse-and-power-effects-on-enamel-surface-and-erosive-resistance
#15
Renan Mota de Oliveira, Vinicius Matsuzaki de Souza, Camila Machado Esteves, Ynara Bosco de Oliveira Lima-Arsati, Alessandra Cassoni, José Augusto Rodrigues, Aldo Brugnera Junior
BACKGROUND: High power lasers have been suggested as a useful tool for dental caries and erosion prevention due to the increase of enamel acid resistance. OBJECTIVE: to evaluate the effect of Er,Cr:YSGG (erbium,chromium:yttrium, scandium, gallium, garnet) laser irradiation pulse frequency and power on enamel surface and acid erosion resistance. METHODS: By combining pulse frequency (5-75 Hz) and power settings (0.10-1.00 W), 20 irradiated groups and one nonirradiated control group were tested...
November 2017: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29098171/the-mars-science-laboratory-msl-mast-cameras-and-descent-imager-investigation-and-instrument-descriptions
#16
Michal C Malin, Michael A Ravine, Michael A Caplinger, F Tony Ghaemi, Jacob A Schaffner, Justin N Maki, James F Bell, James F Cameron, William E Dietrich, Kenneth S Edgett, Laurence J Edwards, James B Garvin, Bernard Hallet, Kenneth E Herkenhoff, Ezat Heydari, Linda C Kah, Mark T Lemmon, Michelle E Minitti, Timothy S Olson, Timothy J Parker, Scott K Rowland, Juergen Schieber, Ron Sletten, Robert J Sullivan, Dawn Y Sumner, R Aileen Yingst, Brian M Duston, Sean McNair, Elsa H Jensen
The Mars Science Laboratory Mast camera and Descent Imager investigations were designed, built, and operated by Malin Space Science Systems of San Diego, CA. They share common electronics and focal plane designs but have different optics. There are two Mastcams of dissimilar focal length. The Mastcam-34 has an f/8, 34 mm focal length lens, and the M-100 an f/10, 100 mm focal length lens. The M-34 field of view is about 20° × 15° with an instantaneous field of view (IFOV) of 218 μrad; the M-100 field of view (FOV) is 6...
August 2017: Earth and Space Science (Hoboken, N.J.)
https://www.readbyqxmd.com/read/29095811/clinical-whole-exome-sequencing-for-the-diagnosis-of-rare-disorders-with-congenital-anomalies-and-or-intellectual-disability-substantial-interest-of-prospective-annual-reanalysis
#17
Sophie Nambot, Julien Thevenon, Paul Kuentz, Yannis Duffourd, Emilie Tisserant, Ange-Line Bruel, Anne-Laure Mosca-Boidron, Alice Masurel-Paulet, Daphné Lehalle, Nolwenn Jean-Marçais, Mathilde Lefebvre, Pierre Vabres, Salima El Chehadeh-Djebbar, Christophe Philippe, Frederic Tran Mau-Them, Judith St-Onge, Thibaud Jouan, Martin Chevarin, Charlotte Poé, Virginie Carmignac, Antonio Vitobello, Patrick Callier, Jean-Baptiste Rivière, Laurence Faivre, Christel Thauvin-Robinet
PurposeCongenital anomalies and intellectual disability (CA/ID) are a major diagnostic challenge in medical genetics-50% of patients still have no molecular diagnosis after a long and stressful diagnostic "odyssey." Solo clinical whole-exome sequencing (WES) was applied in our genetics center to improve diagnosis in patients with CA/ID.MethodsThis retrospective study examined 416 consecutive tests performed over 3 years to demonstrate the effectiveness of periodically reanalyzing WES data. The raw data from each nonpositive test was reanalyzed at 12 months with the most recent pipeline and in the light of new data in the literature...
November 2, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29095074/evaluation-of-retinopathy-of-prematurity-incidence-with-telemedicine-confirmation-in-gansu-china-a-pilot-study
#18
Xinxin Zhang, Yuping Wang, J Niklas Ulrich, Yi Yang, Leona Ding, Yi Yang, Ding Xu, Kristina Tarczy-Hornoch, Michelle T Cabrera
PURPOSE: To determine the incidence of retinopathy of prematurity (ROP) in Gansu, China by combining bedside examinations with remote RetCam (Clarity Medical Systems, Pleasanton, CA, USA) diagnosis. METHODS: ROP screening via indirect ophthalmoscopy followed by RetCam imaging was performed from 2014 to 2015. Three ROP-experienced ophthalmologists interpreted images remotely. Incidence of ROP was determined by combining bedside and telemedicine diagnoses. RESULTS: Of 139 examined infants and 137 complete records, 20 (14...
November 2, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/29094361/arterial-anomalies-of-the-celiac-trunk-and-median-arcuate-ligament-compression-in-dogs-and-cats-assessed-by-computed-tomography-angiography
#19
Hélène M Le Pommellet, Brian A Scansen, Dimitria A Mathys, Dixie F Mollenkopf, Lauren Reeves, Melissa L Skinas, Mira Patel
OBJECTIVE: To identify abnormalities of the celiac artery (CA) and major branches in dogs and cats by computed tomography angiography (CTA). STUDY DESIGN: Multi-institutional retrospective case series. ANIMALS: Two hundred fifty-four dogs and 13 cats. METHODS: Abdominal CTA images from 2009 to 2017 were reviewed. Logistic regression models were used to evaluate the relationship between CA abnormalities and sex, age, size of dog, concurrent venous anomaly, or presence of gastrointestinal signs...
November 2, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29094028/survival-outcome-and-prognostic-factors-of-neoadjuvant-treatment-followed-by-resection-for-borderline-resectable-pancreatic-cancer
#20
Hyeong Seok Kim, Jin-Young Jang, Youngmin Han, Kyoung Bun Lee, Ijin Joo, Doo-Ho Lee, Jae Ri Kim, Hongbeom Kim, Wooil Kwon, Sun-Whe Kim
Purpose: Neoadjuvant treatment may provide improved survival outcomes for patients with borderline resectable pancreatic cancer (BRPC). The purpose of this study is to evaluate the clinical outcomes of neoadjuvant treatment and to identify prognostic factors. Methods: Forty patients who met the National Comprehensive Cancer Network definition of BRPC and received neoadjuvant treatment followed by surgery between 2007 and 2015 were evaluated. Prospectively collected clinicopathological outcomes were analyzed retrospectively...
October 2017: Annals of Surgical Treatment and Research
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