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https://www.readbyqxmd.com/read/28484475/de-novo-sequencing-and-transcriptome-analysis-reveal-key-genes-regulating-steroid-metabolism-in-leaves-roots-adventitious-roots-and-calli-of-periploca-sepium-bunge
#1
Jian Zhang, Xinglin Li, Fuping Lu, Shanying Wang, Yunhe An, Xiaoxing Su, Xiankuan Li, Lin Ma, Guangjian Han
Periploca sepium Bunge is a traditional medicinal plant, whose root bark is important for Chinese herbal medicine. Its major bioactive compounds are C21 steroids and periplocin, a kind of cardiac glycoside, which are derived from the steroid synthesis pathway. However, research on P. sepium genome or transcriptomes and their related genes has been lacking for a long time. In this study we estimated this species nuclear genome size at 170 Mb (using flow cytometry). Then, RNA sequencing of four different tissue samples of P...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28482635/the-anti-amyloid-%C3%AE-and-neuroprotective-properties-of-a-novel-tricyclic-pyrone-molecule
#2
Izumi Maezawa, Bende Zou, Jacopo Di Lucente, William S Cao, Conrado Pascual, Sahani Weerasekara, Man Zhang, Xinmin Simon Xie, Duy H Hua, Lee-Way Jin
There is an urgent unmet need for new therapeutics for Alzheimer's disease (AD), the most common cause of dementia in the elderly. Therapeutic approaches targeting amyloid-β (Aβ) and its downstream toxicities have become major strategies in AD drug development. We have taken a rational design approach and synthesized a class of tricyclic pyrone (TP) compounds that show anti-Aβ and other neuroprotective actions. The in vivo efficacy of a lead TP named CP2 to ameliorate AD-like pathologies has been shown in mouse models...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28413489/retrospective-review-of-epidemic-viral-pneumonia-cases-in-turkey-a-multicenter-study
#3
Mustafa Çörtük, Murat Acat, Onur Yazici, Zehra Yasar, Kemal Kiraz, Sena Yapicioglu Ataman, Elif Tanriverdi, Burcak Zitouni, Cenk Kirakli, Ozlem Ediboglu, Fevziye Tuksavul, Adem Dirican, Hale Kefeli Celik, Sevket Ozkaya, Erdogan Cetinkaya
Influenza A (H1N1) caused its first pandemic in 2009 in USA and Mexico. Since then, clinicians have exercised great care in order to make an early diagnosis of viral pneumonias. This is due in part to pandemic influenza A infection having greater impact on populations <65 years old than other viral strains, including seasonal influenza. Chest radiographies of those affected displayed a rapid progression of patchy infiltrates, and a large proportion of individuals required admission to intensive care units (ICU)...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28393731/moxifloxacin-related-thrombocytopeniae-a-case-report
#4
Mustafa Çörtük, Ali Ramazan Benli, Mustafa Köroğlu, Onur Yazıcı, Murat Acat, Hasan Casim, Erdoğan Çetinkaya
Drug-induced thrombocytopenia can be caused by various medications, most frequently, antibiotics. There have been reports of thrombocytopenia cases due to the usage of quinolone antibiotics, although moxifloxacin-related thrombocytopenia has been reported very rarely. The case is here presented of a 60-year old male with chronic obstructive pulmonary disease who presented with complaints of progressively worsening dyspnea. After hospitalization, progressive thrombocytopenia was detected which had started on the 3rd day of moxifloxacin treatment...
September 2016: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28386186/mechanistic-prediction-of-food-effects-for-compound-a-tablet-using-pbpk-model
#5
Xueqing Li, Lei Shi, Xiuling Tang, Qinghui Wang, Lun Zhou, Wei Song, Zhijun Feng, Jie Ge, Jian Kang Li, Lin Yang, Aidong Wen, Yan Zhang
Physiologically based pharmacokinetic (PBPK) modeling has been extensively used to study the factors of effect drug absorption, distribution, metabolize and extraction progress in human. In this study, Compound A(CPD A) is a BCS Class II drug, which has been extensive applied in clinical as lipid-lowering drug, administered orally after food, they displayed positive food effects in human, A PBPK model was built to mechanistic investigate the food effect of CPD A tablet in our study. By using gastroplus™ software, the PBPK models accurately predicted the results of food effects and predicted data were within 2-fold error of the observed results...
March 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28366160/-moxifloxacin-related-thrombocytopeniae-a-case-report
#6
Mustafa Çörtük, Ali Ramazan Benli, Mustafa Köroğlu, Onur Yazıcı, Murat Acat, Hasan Casim, Erdoğan Çetinkaya
Drug-induced thrombocytopenia can be caused by various medications, most frequently, antibiotics. There have been reports of thrombocytopenia cases due to the usage of quinolone antibiotics, although moxifloxacin-related thrombocytopenia has been reported very rarely. The case is here presented of a 60-year old male with chronic obstructive pulmonary disease who presented with complaints of progressively worsening dyspnea. After hospitalization, progressive thrombocytopenia was detected which had started on the 3rd day of moxifloxacin treatment...
September 2016: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/28265181/comparison-of-the-fractional-exhaled-nitric-oxide-levels-in-adolescents-at-three-schools-located-three-different-distances-from-a-large-steel-mill
#7
Murat Acat, Yusuf Aydemir, Onur Yazıcı, Mahmut Turğut, Mustafa Çörtük, Murat Çakar, Zehra Yaşar, Sami Deniz, Erdoğan Çetinkaya
Objectives. Exposure to ambient metals and air pollutants in urban environments has been associated with impaired lung health and inflammation in the lungs. Fractional exhaled nitric oxide (FeNO) is a reliable marker of airway inflammation. In this study, we aimed to compare the FeNO levels of three schools that have different distances from iron and steel industry zone for assessing the effects of heavy metals and air pollution on their respiratory health. Methods. Pulmonary function test and FeNO measurements were evaluated in 387 adolescents in three schools which have different distance from plant...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28192948/c3n4-nanosheet-modified-microwell-array-with-enhanced-electrochemiluminescence-for-total-analysis-of-cholesterol-at-single-cells
#8
Jingjing Xu, Depeng Jiang, Yanling Qin, Juan Xia, Dechen Jiang, Hong-Yuan Chen
Here, a g-C3N4 nanosheet modified microwell array providing enhanced electrochemiluminescence (ECL) and better visible sensitivity was prepared to simultaneously analyze total (membrane and intracellular) cholesterol at single cells. The detection limit for ECL visualization of hydrogen peroxide at microwell array was improved to be 500 nM that guaranteed the detection of low concentration cholesterol at single cells in parallel. To achieve single cell cholesterol analysis, the individual cells cultured at the microwell array were exposed to cholesterol oxidase generating hydrogen peroxide for luminescence analysis of membrane cholesterol, and then treated with triton X-100, cholesterol esterase, and cholesterol oxidase to produce hydrogen peroxide from intracellular cholesterol for luminescence determination...
February 9, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28045498/spectroscopic-studies-of-the-eutt-adenosyltransferase-from-salmonella-enterica-evidence-of-a-tetrahedrally-coordinated-divalent-transition-metal-cofactor-with-cysteine-ligation
#9
Ivan G Pallares, Theodore C Moore, Jorge C Escalante-Semerena, Thomas C Brunold
The EutT enzyme from Salmonella enterica, a member of the family of ATP:cobalt(I) corrinoid adenosyltransferase (ACAT) enzymes, requires a divalent transition metal ion for catalysis, with Fe(II) yielding the highest activity. EutT contains a unique cysteine-rich HX11CCX2C(83) motif (where H and the last C occupy the 67th and 83rd positions, respectively, in the amino acid sequence) not found in other ACATs and employs an unprecedented mechanism for the formation of adenosylcobalamin. Recent kinetic and spectroscopic studies of this enzyme revealed that residues in the HX11CCX2C(83) motif are required for the tight binding of the divalent metal ion and are critical for the formation of a four-coordinate (4c) cob(II)alamin [Co(II)Cbl] intermediate in the catalytic cycle...
January 17, 2017: Biochemistry
https://www.readbyqxmd.com/read/27780164/assessment-of-palliative-care-in-lung-cancer-in-turkey
#10
Y Bülbül, T Ozlu, S Arinc, B A Ozyurek, H Gunbatar, A Senturk, A Bahadir, M Ozcelik, U Yilmaz, M O Akbay, L Saglam, T Kilic, G Kirkil, N Ozcelik, D Tatar, S A Baris, D M Yavsan, H S Sen, S Berk, M Acat, G Cakmak, P F Yumuk, Y S Intepe, U Toru, S O Ayik, I Basyigit, S Ozkurt, L C Mutlu, Z A Yasar, H Esme, M M Erol, O Oruc, Y Erdoğan, S Asker, A Ulas, S Erol, B Kerget, A E Erbaycu, T Teke, M Beşiroğlu, H Can, A Dalli, F Talay
OBJECTIVE: To investigate the symptoms of lung cancer in Turkey and to evaluate approaches to alleviate these symptoms. SUBJECTS AND METHODS: This study included 1,245 lung cancer patients from 26 centers in Turkey. Demographic characteristics as well as information regarding the disease and treatments were obtained from medical records and patient interviews. Symptoms were evaluated using the Edmonton Symptom Assessment Scale (ESAS) and were graded on a scale between 0 and 10 points...
2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/27714478/clinically-applied-procedures-for-human-ovarian-tissue-cryopreservation-result-in-different-levels-of-efficacy-and-efficiency
#11
Lobke Bastings, Johan R Westphal, Catharina C M Beerendonk, Ruud L M Bekkers, Petra L M Zusterzeel, Jan C M Hendriks, Didi D M Braat, Ronald Peek
PURPOSE: Different protocols are being used worldwide for the cryopreservation of human ovarian tissue for fertility preservation purposes. The efficiency and efficacy of the majority of these protocols has not been extensively evaluated, possibly resulting in sub-optimally cryopreserved ovarian tissue. To address the impact of this issue, we assessed the effects of two clinically successful human ovarian tissue slow-freezing cryopreservation procedures on the quality of the cryopreserved tissue...
December 2016: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/27698957/corn-silk-extract-improves-cholesterol-metabolism-in-c57bl-6j-mouse-fed-high-fat-diets
#12
Jae Hoon Cha, Sun Rim Kim, Hyun Joong Kang, Myung Hwan Kim, Ae Wha Ha, Woo Kyoung Kim
BACKGROUND/OBJECTIVES: Corn silk (CS) extract contains large amounts of maysin, which is a major flavonoid in CS. However, studies regarding the effect of CS extract on cholesterol metabolism is limited. Therefore, the purpose of this study was to determine the effect of CS extract on cholesterol metabolism in C57BL/6J mouse fed high-fat diets. MATERIALS/METHODS: Normal-fat group fed 7% fat diet, high-fat (HF) group fed 25% fat diet, and high-fat with corn silk (HFCS) group were orally administered CS extract (100 mg/kg body weight) daily...
October 2016: Nutrition Research and Practice
https://www.readbyqxmd.com/read/27688151/low-level-expression-of-human-acat2-gene-in-monocytic-cells-is-regulated-by-the-c-ebp-transcription-factors
#13
Dongqing Guo, Ming Lu, Xihan Hu, Jiajia Xu, Guangjing Hu, Ming Zhu, Xiaowei Zhang, Qin Li, Catherine C Y Chang, Tayuan Chang, Baoliang Song, Ying Xiong, Boliang Li
Acyl-coenzyme A:cholesterol acyltransferases (ACATs) are the exclusive intracellular enzymes that catalyze the formation of cholesteryl/steryl esters (CE/SE). In our previous work, we found that the high-level expression of human ACAT2 gene with the CpG hypomethylation of its whole promoter was synergistically regulated by two transcription factors Cdx2 and HNF1α in the intestine and fetal liver. Here, we first observed that the specific CpG-hypomethylated promoter was correlated with the low expression of human ACAT2 gene in monocytic cell line THP-1...
November 2016: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/27658461/primary-pulmonary-lymphoma-four-different-and-unusual-radiologic-and-clinical-manifestations
#14
Elif Tanriverdi, Murat Acat, Guler Ozgul, Kenan Abbasli, Sule Gul, Zehra Yasar, Mustafa Cortuk, Neslihan Akanil Fener, Hasan Akin, Mehmet Akif Ozgul, Erdogan Cetinkaya
No abstract text is available yet for this article.
September 23, 2016: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/27647838/esterification-of-24s-ohc-induces-formation-of-atypical-lipid-droplet-like-structures-leading-to-neuronal-cell-death
#15
Wakako Takabe, Yasuomi Urano, Diep-Khanh Ho Vo, Kimiyuki Shibuya, Masaki Tanno, Hiroaki Kitagishi, Toyoshi Fujimoto, Noriko Noguchi
The 24(S)-hydroxycholesterol (24S-OHC), which plays an important role in maintaining brain cholesterol homeostasis, has been shown to possess neurotoxicity. We have previously reported that 24S-OHC esterification by ACAT1 and the resulting lipid droplet (LD) formation are responsible for 24S-OHC-induced cell death. In the present study, we investigate the functional roles of 24S-OHC esters and LD formation in 24S-OHC-induced cell death, and we identify four long-chain unsaturated fatty acids (oleic acid, linoleic acid, arachidonic acid, and DHA) with which 24S-OHC is esterified in human neuroblastoma SH-SY5Y cells treated with 24S-OHC...
November 2016: Journal of Lipid Research
https://www.readbyqxmd.com/read/27629383/the-acute-care-assessment-tool-pharmacy-acat
#16
Barry Jubraj, Sheena Patel, Iram Naseem, Samantha Copp, Dimitrios Karagkounis
BACKGROUND: The Acute Care Assessment Tool (ACAT) was developed as a workplace-based assessment (WPBA) for trainee performance whilst working in acute medicine. Here, we discuss the multi-professional potential of ACAT through a pilot with foundation and senior hospital pharmacists. CONTEXT: The pharmacy profession is engaging meaningfully with foundation training for pharmacists akin to doctor foundation training, and has launched a post-foundation recognition scheme as a route to advanced generalist or specialist practice...
June 2017: Clinical Teacher
https://www.readbyqxmd.com/read/27594885/tracheobronchial-amyloidosis-mimicking-tracheal-tumor
#17
Elif Tanrıverdi, Mehmet Akif Özgül, Oğuz Uzun, Şule Gül, Mustafa Çörtük, Zehra Yaşar, Murat Acat, Naciye Arda, Erdoğan Çetinkaya
Tracheobronchial amyloidosis is a rare presentation and accounts for about 1% of benign tumors in this area. The diagnosis of disease is delayed due to nonspecific pulmonary symptoms. Therapeutic approaches are required to control progressive pulmonary symptoms for most of the patients. Herein, we report a case of a 68-year-old man admitted with progressive dyspnea to our institution for further evaluation and management. He was initially diagnosed with and underwent management for bronchial asthma for two years but had persistent symptoms despite optimal medical therapy...
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27538919/the-prediction-of-the-relative-importance-of-cyp3a-p-glycoprotein-to-the-nonlinear-intestinal-absorption-of-drugs-by-advanced-compartmental-absorption-and-transit-model
#18
Junichi Takano, Kazuya Maeda, Michael B Bolger, Yuichi Sugiyama
Intestinal CYP3A and P-glycoprotein (P-gp) decrease the intestinal absorption of substrate drugs. Since substrate specificity of CYP3A often overlaps that of P-gp, and estimation of their saturability in the intestine is difficult, dose-dependent FaFg (fraction of the administered drugs that reach the portal blood) of substrate drugs and the relative importance of CYP3A and P-gp have not been clarified in many cases. Thus, we tried to establish the universal methodology for predicting the in vivo absorption of several CYP3A and/or P-gp substrates from in vitro assays...
November 2016: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/27529298/-screening-for-anxiety-in-cardiovascular-rehabilitation-patients-concurrent-validity-and-cut-off-values-of-the-acat-cardio
#19
K Müller, H Baumeister, B Abberger
OBJECTIVE: The computer adaptive test ACAT-cardio has been developed in order to screen cardiovascular rehabilitation patients for anxiety. This study aims at investigating the criterion validity, and identifying appropriate cut-off values for its use in cardiac rehabilitation. METHODS: 106 cardiovascular rehabilitation patients were tested for anxiety disorders using the instruments ACAT-cardio and SKID-I. Receiver operating characteristics were employed to analyse the results of 3 stopping rules of the ACAT-cardio...
August 2016: Die Rehabilitation
https://www.readbyqxmd.com/read/27521968/acute-and-chronic-pretreatment-with-atenolol-attenuates-intestinal-ischemia-and-reperfusion-injury-in-hypercholesterolemic-rats
#20
Tülün Öztürk, Kamil Vural, İbrahim Tuğlu, Ahmet Var, Taner Kurdal, Işıl Aydemir
OBJECTIVE: To evaluate the protective effects of preinjury atenolol (acute v chronic) on apoptosis, contractility, oxidative stress, and inflammatory markers in hypercholesterolemic rats undergoing intestinal ischemia-reperfusion (I/R) injury. DESIGN: Prospective, experimental animal study. SETTING: University laboratory. PARTICIPANTS: Male Wistar rats (n = 32). INTERVENTIONS: Rats were divided into the following 4 groups: 1 group was fed a normal diet (ND) (group ND+NoAT [no atenolol]), and the other 3 groups were fed a high-cholesterol diet (HCD)-group HCD+NoAT, group HCD+ChAT (chronic atenolol, 3 mg/kg/day for 8 weeks), and group HCD+AcAT (acute atenolol, 1...
August 2016: Journal of Cardiothoracic and Vascular Anesthesia
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