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https://www.readbyqxmd.com/read/28820416/-ovarian-reserve-and-effectiveness-of-ivf-in-women-of-various-age-groups
#1
A Sayadyan, E Totoyan
The purpose of this study is a comparative assessment of ovarian reserve parameters and the effect of these indices on the features of follicle and oogenesis in women of different age groups. A retrospective analysis of IVF results was conducted in 101 patients aged 21 to 49 years. All patients were divided into 4 groups according to age: I group up to 30 y.o. - 45 women, II group - 31-35 y.o - 14 women, III group - 36-40 y.o. - 26 women, IV Group - 41 or more - 16 women. A low ovarian reserve was found in the majority (84,6%) of women in group III and in all women in group IV...
July 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28819369/in-vitro-cytotoxic-activities-of-the-oral-platinum-iv-prodrug-oxoplatin-and-hsp90-inhibitor-ganetespib-against-a-panel-of-gastric-cancer-cell-lines
#2
Lukas Klameth, Barbara Rath, Gerhard Hamilton
Gastric cancer exhibits a poor prognosis and is the third most common cause of cancer death worldwide. Chemotherapy of metastatic gastric cancer is based on combinations of platinum drugs and fluoropyrimidines, with added agents. Oxoplatin is a stable oral platinum(IV) prodrug which is converted to a highly active tetrachlorido(IV) complex under acidic conditions. In the present work, we studied the cytotoxic effects of oxoplatin against a panel of four gastric cancer cell lines in vitro. Furthermore, the role of HSP90 in chemoresistance of these lines was investigated using the specific inhibitor ganetespib...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28818716/positron-emission-tomography-pet-imaging-of-nicotine-induced-dopamine-release-in-squirrel-monkeys-using-18-f-fallypride
#3
Jennifer E Naylor, Takato Hiranita, Katelin S Matazel, Xuan Zhang, Merle G Paule, Amy K Goodwin
BACKGROUND: Nicotine, the principal psychoactive tobacco constituent, is thought to produce its reinforcing effects via actions within the mesolimbic dopamine (DA) system. The objective of the current study was to examine the effect of nicotine on DA D2/D3 receptor availability in the nonhuman primate brain with the use of the radioligand [(18)F]fallypride and positron emission tomography (PET). METHODS: Ten adult male squirrel monkeys were used in the current study...
August 8, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28818054/comparison-of-the-trapezius-and-the-adductor-pollicis-muscle-as-predictor-of-good-intubating-conditions-a-randomized-controlled-trial
#4
Stefan Soltesz, Christian Stark, Karl G Noé, Michael Anapolski, Thomas Mencke
BACKGROUND: Adequate muscle relaxation is important for ensuring optimal conditions for intubation. Although acceleromyography of the adductor pollicis muscle is commonly used to assess conditions for intubation, we hypothesized that acceleromyography of the trapezius is more indicative of optimal intubating conditions. The primary outcome was the difference between both measurement sites with regard to prediction of good or acceptable intubating conditions. METHODS: Neuromuscular blockade after injection of rocuronium 0...
August 17, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28817277/discovery-and-characterization-of-r-6-neopentyl-2-pyridin-2-ylmethoxy-6-7-dihydropyrimido-2-1-c-1-4-oxazin-4-9h-one-pf-06462894-an-alkyne-lacking-metabotropic-glutamate-receptor-5-negative-allosteric-modulator-profiled-in-both-rat-and-non-human-primates
#5
Antonia F Stepan, Michelle M Claffey, Matthew R Reese, Gayatri Balan, Gabriela Barreiro, Jason Barricklow, Michael J Bohanon, Brian P Boscoe, Gregg D Cappon, Lois K Chenard, Julie Cianfrogna, Laigao Chen, Karen J Coffman, Susan E Drozda, Joshua R Dunetz, Somraj Ghosh, Xinjun Hou, Christopher Houle, Kapil Karki, John T Lazzaro, Jessica Y Mancuso, John M Marcek, Emily L Miller, Mark A Moen, Steven V O'Neil, Isao Sakurada, Marc Skaddan, Vinod Parikh, Deborah L Smith, Patrick E Trapa, Jamison B Tuttle, Patrick R Verhoest, Daniel P Walker, Annie C Won, Ann S Wright, Jessica Whritenour, Kenneth Zasadny, Margaret M Zaleska, Lei Zhang, Christopher L Shaffer
We previously observed a cutaneous type IV immune response in non-human primates (NHP) with the mGlu5 negative allosteric modulator (NAM) 7. To determine if this adverse event was chemotype- or mechanism-based, we evaluated a distinct series of mGlu5 NAMs. Increasing the sp(3) character of high-throughput screening hit 40 afforded a novel morpholinopyrimidone mGlu5 NAM series. Its prototype, (R)-6-neopentyl-2-(pyridin-2-ylmethoxy)-6,7-dihydropyrimido[2,1-c][1,4]oxazin-4(9H)-one (PF-06462894, 8), possessed favorable properties and a predicted low clinical dose (2 mg twice daily)...
August 17, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28817110/extractive-spectrophotometric-determination-of-nortriptyline-hydrochloride-using-sudan-ii-iv-and-black-b
#6
A S Amin, H M Saleh
A simple spectrophotometric methods has been developed for the determination of nortriptyline hydrochloride in pure and in pharmaceuticalformulations based on the formation of ion-pair complexes with sudun II (SII), sudan (IV) (SIV) and sudan black B (SBB). The selectivity of the method was improved through extraction with chloroform. The optimum conditions for complete extracted colour development were assessed. The absorbance measurements were made at 534, 596 and 649 nm for SII, SIV and SBB complexes, respectively...
August 17, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28816643/pharmacometabolomics-informs-quantitative-radiomics-for-glioblastoma-diagnostic-innovation
#7
Theodora Katsila, Minos-Timotheos Matsoukas, George P Patrinos, Dimitrios Kardamakis
Applications of omics systems biology technologies have enormous promise for radiology and diagnostics in surgical fields. In this context, the emerging fields of radiomics (a systems scale approach to radiology using a host of technologies, including omics) and pharmacometabolomics (use of metabolomics for patient and disease stratification and guiding precision medicine) offer much synergy for diagnostic innovation in surgery, particularly in neurosurgery. This synthesis of omics fields and applications is timely because diagnostic accuracy in central nervous system tumors still challenges decision-making...
August 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28815465/non-injection-drug-use-and-injection-initiation-assistance-among-people-who-inject-drugs-in-tijuana-mexico
#8
Amen Ben Hamida, Claudia Rafful, Sonia Jain, Shelly Sun, Patricia Gonzalez-Zuniga, Gudelia Rangel, Steffanie A Strathdee, Dan Werb
Although most people who inject drugs (PWID) report receiving assistance during injection initiation events, little research has focused on risk factors among PWID for providing injection initiation assistance. We therefore sought to determine the influence of non-injection drug use among PWID on their risk to initiate others. We used generalized estimating equation (GEE) models on longitudinal data among a prospective cohort of PWID in Tijuana, Mexico (Proyecto El Cuete IV), while controlling for potential confounders...
August 16, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28814275/randomized-study-comparing-full-dose-monotherapy-s-1-followed-by-irinotecan-and-reduced-dose-combination-therapy-s-1-oxaliplatin-followed-by-s-1-irinotecan-as-initial-therapy-for-older-patients-with-metastatic-colorectal-cancer-nordic-9
#9
Stine Braendegaard Winther, Pia Österlund, Åke Berglund, Bengt Glimelius, Camilla Qvortrup, Halfdan Sorbye, Per Pfeiffer
BACKGROUND: Metastatic colorectal cancer (mCRC) is a disease of older age, but there is a relative lack of knowledge about effects of chemotherapy in older patients as they are under-represented in clinical trials. Little data can guide whether the strategy in older mCRC patients should be a sequential full-dose monotherapy chemotherapy approach or a dose-reduced combination chemotherapy approach. The oral 5FU prodrug S-1 seems to have less side effects than capecitabine and should be an optimal drug for older patients, but few data are available...
August 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28811851/epidemiology-of-infective-endocarditis-in-rural-upstate-new-york-2011-2016
#10
Saeeda Fatima, Benajmin Dao, Ayesha Jameel, Konika Sharma, David Strogatz, Melissa Scribani, Harish Raj Seetha Rammohan
BACKGROUND: The epidemiology of infective endocarditis (IE) depends on a number of host factors whose prevalence can vary globally. The usual patient population affected by IE is sicker and older, often with many comorbid conditions. The risk is growing in younger populations due to the emerging epidemic of intravenous (IV) drug use. We have performed a temporal trend analysis of various factors of IE in the rural counties covering a major part of central Upstate New York. METHODS: We performed a retrospective analysis of electronic medical records of patients who were admitted in a tertiary care hospital in rural Upstate New York and diagnosed with IE from January 1, 2011 to December 31, 2016...
September 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28810560/effects-of-taohongsiwu-decoction-on-the-expression-of-%C3%AE-sma-and-tgf-%C3%AE-1-mrna-in-the-liver-tissues-of-a-rat-model-of-hepatic-cirrhosis
#11
Tongsheng Wang, Deling Wu, Peipei Li, Ke Zhang, Shanjun Tao, Zhu Li, Jun Li
The present study aimed to explore the treatment effects of Taohongsiwu decoction on the liver fibrosis in a rat model, as few prior studies have investigated the anti-fibrotic effects of Taohongsiwu decoction. High-performance liquid chromatography was used to measure the concentration of ferulic acid and hydrosafflower flavin A in the decoction. Male Sprague-Dawley rats were randomly divided into control, model, colchicine (positive group), Taohongsiwu-high, Taohongsiwu-moderate and Taohongsiwu-low groups; 50% carbon tetrachloride (CCl4) of peanut oil solution was subcutaneously injected to the rats except for the control group, and the drugs were intragastrically administered (10 ml/kg) starting at week 7 for 6 continuous weeks...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28807542/rapid-and-simple-analysis-of-disease-associated-biomarkers-of-taiwanese-patients-with-schizophrenia-using-matrix-assisted-laser-desorption-ionization-mass-spectrometry
#12
Tiao-Lai Huang, Li-Hua Lo, Jentaie Shiea, Hung Su
BACKGROUND: Matrix-assisted laser desorption ionization/time-of-flight mass spectrometry (MALDI-TOF MS) is an extremely sensitive analytical tool for characterizing biological compounds in bio samples. In this study, we applied MALDI-TOF MS to assess potential protein biomarkers in the peripheral blood mononuclear cells (PBMCs) of patients with schizophrenia in the acute phase, recovery phase and healthy controls in Taiwan. METHODS: We recruited 40 participants, including 20 pairs of patients diagnosed with schizophrenia in the acute phase, after four-week treatment with drug in the recovery phase, and 20 healthy controls...
August 11, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28806639/a-developmental-etiological-model-for-drug-abuse-in-men
#13
Kenneth S Kendler, Henrik Ohlsson, Alexis C Edwards, Jan Sundquist, Kristina Sundquist
BACKGROUND: We attempt to develop a relatively comprehensive structural model of risk factors for drug abuse (DA) in Swedish men that illustrates developmental and mediational processes. METHODS: We examined 20 risk factors for DA in 48,369 men undergoing conscription examinations in 1969-70 followed until 2011 when 2.34% (n=1134) of them had DA ascertained in medical, criminal and pharmacy registries. Risk factors were organized into four developmental tiers reflecting i) birth, ii) childhood/early adolescence, iii) late adolescence, and iv) young adulthood...
July 29, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28806470/efficacy-and-safety-of-sugammadex-versus-neostigmine-in-reversing-neuromuscular-blockade-in-adults
#14
REVIEW
Ana-Marija Hristovska, Patricia Duch, Mikkel Allingstrup, Arash Afshari
BACKGROUND: Acetylcholinesterase inhibitors, such as neostigmine, have traditionally been used for reversal of non-depolarizing neuromuscular blocking agents. However, these drugs have significant limitations, such as indirect mechanisms of reversal, limited and unpredictable efficacy, and undesirable autonomic responses. Sugammadex is a selective relaxant-binding agent specifically developed for rapid reversal of non-depolarizing neuromuscular blockade induced by rocuronium. Its potential clinical benefits include fast and predictable reversal of any degree of block, increased patient safety, reduced incidence of residual block on recovery, and more efficient use of healthcare resources...
August 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28805788/nrf2-keap1-pathway-promotes-cell-proliferation-and-diminishes-ferroptosis
#15
Z Fan, A-K Wirth, D Chen, C J Wruck, M Rauh, M Buchfelder, N Savaskan
Cancer cells are hallmarked by high proliferation and imbalanced redox consumption and signaling. Various oncogenic pathways such as proliferation and evading cell death converge on redox-dependent signaling processes. Nrf2 is a key regulator in these redox-dependent events and operates in cytoprotection, drug metabolism and malignant progression in cancer cells. Here, we show that patients with primary malignant brain tumors (glioblastomas, WHO °IV gliomas, GBM) have a devastating outcome and overall reduced survival when Nrf2 levels are upregulated...
August 14, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28805686/lengths-of-the-c-terminus-and-interconnecting-loops-impact-stability-of-spider-derived-gating-modifier-toxins
#16
Akello J Agwa, Yen-Hua Huang, David J Craik, Sónia T Henriques, Christina I Schroeder
Spider gating modifier toxins (GMTs) are potent modulators of voltage-gated ion channels and have thus attracted attention as drug leads for several pathophysiological conditions. GMTs contain three disulfide bonds organized in an inhibitory cystine knot, which putatively confers them with high stability; however, thus far, there has not been a focused study to establish the stability of GMTs in physiological conditions. We examined the resistance of five GMTs including GpTx-1, HnTx-IV, HwTx-IV, PaurTx-3 and SgTx-1, to pH, thermal and proteolytic degradation...
August 12, 2017: Toxins
https://www.readbyqxmd.com/read/28805487/state-of-the-art-nanopathological-diagnostics
#17
Luca Roncati, Giuseppe Barbolini
The nanopathological diagnostics (ND) is an ultra-specialized branch of pathological anatomy aimed to identify the nanoparticles of metallic, semimetallic, or nonmetallic elements in the inorganic particulate matter present inside pathological tissues, even on the nanometer scale. ND exploits an environmental scanning electron microscope, connected to an X-ray microprobe mounted on an energy-dispersive spectrometer. The searching of nanoparticles can be performed on paraffin-embedded material, omitting emissions of black overlay and plating procedures...
August 14, 2017: Ultrastructural Pathology
https://www.readbyqxmd.com/read/28805469/long-chain-triglycerides-based-self-nanoemulsifying-oily-formulations-sneofs-of-darunavir-with-improved-lymphatic-targeting-potential
#18
Babita Garg, Sarwar Beg, Ranjot Kaur, Rajendra Kumar, Om Prakash Katare, Bhupinder Singh
The current studies entail systematic development of SNEOFs containing long-chain triglycerides for improving lymphatic targeting of darunavir for complete inhibition of HIV progression. As per QbD-oriented approach for formulation development, the QTPP was defined and CQAs were earmarked. Preformulation equilibrium solubility and phase diagram studies, and risk assessment through FMEA studies identified Lauroglycol 90, Tween 80 and Transcutol HP as the lipid, emulgent and cosolvent, respectively, for formulating SNEOFs of darunavir...
August 14, 2017: Journal of Drug Targeting
https://www.readbyqxmd.com/read/28804898/epilepsy-surgery-of-low-grade-epilepsy-associated-neuroepithelial-tumors-a-retrospective-nationwide-italian-study
#19
Marco Giulioni, Gianluca Marucci, Veronica Pelliccia, Francesca Gozzo, Carmen Barba, Giuseppe Didato, Flavio Villani, Giancarlo Di Gennaro, Pier Paolo Quarato, Vincenzo Esposito, Alessandro Consales, Matteo Martinoni, Gianfranco Vornetti, Corrado Zenesini, Carlo Efisio Marras, Nicola Specchio, Luca De Palma, Raffaele Rocchi, Flavio Giordano, Giovanni Tringali, Paolo Nozza, Gabriella Colicchio, Guido Rubboli, Giorgio Lo Russo, Renzo Guerrini, Paolo Tinuper, Francesco Cardinale, Massimo Cossu
OBJECTIVE: To analyze the attitude and results of Italian epilepsy surgery centers in the surgical management of "low grade epilepsy associated neuroepithelial tumors" (LEATs). METHODS: We conducted a retrospective study enrolling 339 consecutive patients with LEATs who underwent surgery between January 2009 and June 2015 at eight Italian epilepsy surgery centers. We compared demographic, clinical, pathologic, and surgical features of patients with favorable (Engel class I) and unfavorable (Engel class II, III, and IV) seizure outcome...
August 14, 2017: Epilepsia
https://www.readbyqxmd.com/read/28804273/influence-of-the-number-of-axial-bexarotene-ligands-on-the-cytotoxicity-of-pt-iv-analogs-of-oxaliplatin
#20
Yulia N Nosova, Ilia V Zenin, Varvara P Maximova, Ekaterina M Zhidkova, Kirill I Kirsanov, Ekaterina A Lesovaya, Anna A Lobas, Mikhail V Gorshkov, Olga N Kovaleva, Elena R Milaeva, Markus Galanski, Bernhard K Keppler, Alexey A Nazarov
We present the synthesis and cytotoxic potencies of new Pt(IV) complexes with bexarotene, an anticancer drug that induces cell differentiation and apoptosis via selective activation of retinoid X receptors. In these complexes bexarotene is positioned as an axial ligand. The complex of one bexarotene ligand attached to Pt(IV) oxaliplatin moiety was potent whereas its counterpart carrying two bexarotene ligands was inactive.
2017: Bioinorganic Chemistry and Applications
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