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https://www.readbyqxmd.com/read/28931241/association-of-a-novel-mutation-in-the-plasmodium-falciparum-chloroquine-resistance-transporter-with-decreased-piperaquine-sensitivity
#1
Sonia Agrawal, Kara A Moser, Lindsay Morton, Michael P Cummings, Ankita Parihar, Ankit Dwivedi, Amol C Shetty, Elliott F Drabek, Christopher G Jacob, Philipp P Henrich, Christian M Parobek, Krisada Jongsakul, Rekol Huy, Michele D Spring, Charlotte A Lanteri, Suwanna Chaorattanakawee, Chanthap Lon, Mark M Fukuda, David L Saunders, David A Fidock, Jessica T Lin, Jonathan J Juliano, Christopher V Plowe, Joana C Silva, Shannon Takala-Harrison
Background: Amplified copy number in the plasmepsin II/III genes within Plasmodium falciparum has been associated with decreased sensitivity to piperaquine. To examine this association and test whether additional loci might also contribute, we performed a genome-wide association study of ex vivo P. falciparum susceptibility to piperaquine. Methods: Plasmodium falciparum DNA from 183 samples collected primarily from Cambodia was genotyped at 33716 genome-wide single nucleotide polymorphisms (SNPs)...
August 15, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28931225/persistent-herpesvirus-infections-and-telomere-attrition-over-3-years-in-the-whitehall-ii-cohort
#2
Jennifer B Dowd, Jos A Bosch, Andrew Steptoe, Bamini Jayabalasingham, Jue Lin, Robert Yolken, Allison E Aiello
The determinants of telomere attrition, a potential marker of cellular aging, are not well understood. Persistent herpesvirus infections including cytomegalovirus (CMV) infection may be particularly important for telomere dynamics via mechanisms such as inflammation, oxidative stress, and their impact on peripheral blood lymphocyte composition. This study examined the association of 4 human herpesviruses (CMV, herpes simplex virus type 1, human herpesvirus type 6, and Epstein-Barr virus) with change in leukocyte telomere length (LTL) over 3 years in 400 healthy individuals (aged 53-76 years) from the Whitehall II cohort...
September 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28931214/baicalin-alleviates-radiation-induced-epithelial-mesenchymal-transition-of-primary-type-ii-alveolar-epithelial-cells-via-tgf-%C3%AE-and-erk-gsk3%C3%AE-signaling-pathways
#3
Jinhua Lu, Yazhen Zhong, Zechen Lin, Xianlei Lin, Zhaohui Chen, Xuping Wu, Nan Wang, Haiqiao Zhang, Siyu Huang, Yuan Zhu, Yuanyuan Wang, Shengyou Lin
BACKGROUND: Radiation therapy is commonly used to treat thoracic malignancies. However, it may lead to severe lung pneumonitis and ultimately fibrosis. Irradiation has been reported to increase epithelial-mesenchymal transition (EMT) of type II alveolar epithelial cells (AEC), which play an important role in pulmonary fibrosis. The transforming growth factor-β (TGF-β) and ERK/glycogen synthase kinase 3β (GSK3β) pathways are critically involved in radiation-induced EMT. In the present study, we investigated whether baicalin was a novel therapeutic candidate for radiation-induced EMT in type II AEC...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28931206/metabolic-engineering-a-yeast-to-produce-astaxanthin
#4
Yu-Ju Lin, Jui-Jen Chang, Hao-Yeh Lin, Caroline Thia, Yi-Ying Kao, Chieh-Chen Huang, Wen-Hsiung Li
In this study, an astaxanthin-biosynthesis Kluyveromyces marxianus strain Sm23 was first constructed, which could produce 31µg/g DCW astaxanthin. Then, repeated genome integration of the key astaxanthin biosynthesis genes Hpchyb and bkt was done to increase gene copy number and astaxanthin yield. Four improved strains were obtained and the yield of astaxanthin and the total yield of carotenoids in a strain increased with the copy numbers of Hpchyb and bkt. To improve the yield further, the gene Hpchyb from Haematococcus pluvialis was modified by site-directed mutagenesis to increase the enzyme efficiency or/and to prevent the heterologous protein degradation by ubiquitination...
July 23, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28931158/new-mitogenomes-of-two-chinese-stag-beetles-coleoptera-lucanidae-and-their-implications-for-systematics
#5
Zi-Qi Lin, Fan Song, Teng Li, Yuan-Yuan Wu, Xia Wan
Although conspicuous and well-studied, stag beetles have been slow to join the genomic era. In this study, mitochondrial genomes of two stag beetles, Sinodendron yunnanense and Prosopocoilus confucius, are sequenced for the first time. Both of their genomes consisted of 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNAs (rRNAs), and a control region. The mitogenome of S. yunnanense was 16,921 bp in length, and P. confucius was 16,951 bp. The location of the gene trnL(UUR), between the A + T-rich and control region in S...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28931090/correction-long-term-oncological-outcome-of-thymoma-and-thymic-carcinoma-an-analysis-of-235-cases-from-a-single-institution
#6
Yen-Chiang Tseng, Yen-Han Tseng, Hua-Lin Kao, Chih-Cheng Hsieh, Teh-Ying Chou, Yih-Gang Goan, Wen-Hu Hsu, Han-Shui Hsu
[This corrects the article DOI: 10.1371/journal.pone.0179527.].
2017: PloS One
https://www.readbyqxmd.com/read/28930831/accessory-spleen-located-in-the-right-parietal-peritoneum-the-first-case-report
#7
Shao-Yan Xu, Ke Sun, Hai-Yang Xie, Lin Zhou, Shu-Sen Zheng, Weilin Wang
RATIONALE: Accessory spleen is a congenital abnormality caused by failure of the splenic anlage to fuse during embryology. The presence of an accessory spleen located in the parietal peritoneum has not been reported so far, and an accessory spleen situated on the right side is extremely rare. In the present study, we describe the first case of an accessory spleen located in the right parietal peritoneum. PATIENTS CONCERNS: A 65-year-old man, presented with pain in his left abdomen for 1 month...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28930688/the-heterochronic-gene-lin-14-controls-axonal-degeneration-in-c-%C3%A2-elegans-neurons
#8
Fiona K Ritchie, Rhianna Knable, Justin Chaplin, Rhiannon Gursanscky, Maria Gallegos, Brent Neumann, Massimo A Hilliard
The disproportionate length of an axon makes its structural and functional maintenance a major task for a neuron. The heterochronic gene lin-14 has previously been implicated in regulating the timing of key developmental events in the nematode C. elegans. Here, we report that LIN-14 is critical for maintaining neuronal integrity. Animals lacking lin-14 display axonal degeneration and guidance errors in both sensory and motor neurons. We demonstrate that LIN-14 functions both cell autonomously within the neuron and non-cell autonomously in the surrounding tissue, and we show that interaction between the axon and its surrounding tissue is essential for the preservation of axonal structure...
September 19, 2017: Cell Reports
https://www.readbyqxmd.com/read/28930301/night-shift-work-and-risk-of-compromised-visual-acuity-among-the-workers-in-an-electronics-manufacturing-company
#9
Yu-Cheng Lin, Kuo-Jung Ho
OBJECTIVES: To evaluate the association between night-shift work exposure and visual health, this cross-sectional study utilized visual acuity, a surrogate measure for visual function, as a parameter, and performed an analysis comparing visual acuity between daytime and nighttime employees in an electronics manufacturing company. MATERIAL AND METHODS: Data of personal histories, occupational records, physical examinations and blood tests was obtained from the electronic health records of workers...
September 20, 2017: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/28930238/a-thrombomodulin-gene-polymorphism-c1418t-is-associated-with-early-outcomes-in-patients-undergoing-coronary-artery-bypass-graft-surgery-with-a-conventional-cardiopulmonary-bypass-during-hospitalization
#10
Ching-Chou Pai, Yi-Wen Lin, Yi-Ting Tsai, Shih-Hurng Loh, Chih-Yuan Lin, Chin-Sheng Lin, Yi-Chang Lin, Hung-Yen Ke, Feng-Yen Lin, Chien-Sung Tsai
Background: Thrombomodulin (TM) is a type of cell membrane-bound anticoagulant protein cofactor in the thrombin-mediated activation of protein C. Previous evidence has shown an association between TM polymorphisms and systemic inflammation. Conventional cardiopulmonary bypass (CPB), beating-heart CPB, and off-pump techniques have been widely used in cardiac surgery. However, these techniques may also cause systemic inflammatory responses in the patients. Whether TM polymorphisms are associated with systemic inflammation after cardiac surgery is still unclear...
April 23, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28930102/confirming-the-key-role-of-ar-ion-bombardment-in-growth-feature-of-nanostructured-carbon-materials-by-pecvd
#11
Yulin Liu, Jinghuang Lin, Henan Jia, Shulin Chen, J Qi, Chaoqun Qu, Jian Cao, Jicai Feng, Weidong Fei
In order to confirm the key role of plasma etching in growth feature of nanostructured carbon materials (NCMs), here we reported a novel strategy to in-situ create different states of plasma etching conditions in plasma enhanced chemical vapor deposition (PECVD) by separating catalyst film from substrate. Different plasma-related environments on either side of the catalyst film were created simultaneously for achieving multi-layered structural NCMs. Results showed that plasma etching is observed crucial and complex for the growth of NCMs...
September 20, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28930010/disease-burden-of-clostridium-difficile-infections-in-adults-hong-kong-china-2006-2014
#12
Jeffery Ho, Rudin Z W Dai, Thomas N Y Kwong, Xiansong Wang, Lin Zhang, Margaret Ip, Raphael Chan, Peter M K Hawkey, Kelvin L Y Lam, Martin C S Wong, Gary Tse, Matthew T V Chan, Francis K L Chan, Jun Yu, Siew C Ng, Nelson Lee, Justin C Y Wu, Joseph J Y Sung, William K K Wu, Sunny H Wong
Cross-sectional studies suggest an increasing trend in incidence and relatively low recurrence rates of Clostridium difficile infections in Asia than in Europe and North America. The temporal trend of C. difficile infection in Asia is not completely understood. We conducted a territory-wide population-based observational study to investigate the burden and clinical outcomes in Hong Kong, China, over a 9-year period. A total of 15,753 cases were identified, including 14,402 (91.4%) healthcare-associated cases and 817 (5...
October 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28929924/the-search-for-a-subtype-selective-pet-imaging-agent-for-the-gabaa-receptor-complex-evaluation-of-the-radiotracer-11-c-ado-in-nonhuman-primates
#13
Shu-Fei Lin, Frederic Bois, Daniel Holden, Nabeel Nabulsi, Richard Pracitto, Hong Gao, Michael Kapinos, Jo-Ku Teng, Anupama Shirali, Jim Ropchan, Richard E Carson, Charles S Elmore, Neil Vasdev, Yiyun Huang
The myriad physiological functions of γ-amino butyric acid (GABA) are mediated by the GABA-benzodiazepine receptor complex comprising of the GABAA, GABAB, and GABAC groups. The various GABAA subunits with region-specific distributions in the brain subserve different functional and physiological roles. For example, the sedative and anticonvulsive effects of classical benzodiazepines are attributed to the α1 subunit, and the α2 and α3 subunits mediate the anxiolytic effect. To optimize pharmacotherapies with improved efficacy and devoid of undesirable side effects for the treatment of anxiety disorders, subtype-selective imaging radiotracers are required to assess target engagement at GABA sites and determine the dose-receptor occupancy relationships...
January 2017: Molecular Imaging
https://www.readbyqxmd.com/read/28929676/-understanding-and-development-strategy-of-health-food-containing-chinese-materia-medica
#14
REVIEW
Lin-Yuan Wang, Jian-Jun Zhang, Chun Wang, Jing-Xia Wang, Ying-Li Zhu, Jia Wang, Xue-Min Gao
Health food containing Chinese materia medica (CMM) conforms to the development demands of the age of big health and the theory of preventive treatment. In the view of health care and improvement of resisting diseases, it plays an important role in the market. It is very necessary to have further study and discussion on health food containing CMM. First of all, by comparing, analyzing and summarizing, the health food containing CMM could be defined as the health food which is qualified in security and functionality evaluation, with the traditional Chinese medicines(TCM) within TCM standards as the main raw materials, and the formulation-composition is based on the theory of TCM...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929672/-progress-of-effects-of-light-on-plant-flavonoids
#15
REVIEW
Jun-Qian Pan, Xi-Ran Tong, Bao-Lin Guo
As an important secondary metabolites of medicinal plant, flavonoids plays a very important role on itself including light protection and antioxidant. Light is one of the important environmental factors which impacts the secondary metabolites of plant and has a significant impact on biological synthesis of flavonoids. This paper reviews the recent progress of the effects of light on flavonoids on the plants focusing from light intensity and light quality, and summarizes briefly functions of the phenylalanine ammonia lyase (PAL) in plant secondary metabolism and the upstream key enzyme chalcone synthase (CHS) in flavonoid biosynthetic pathway...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929670/-herbgenomics
#16
Shi-Lin Chen, Jing-Yuan Song
Traditional Chinese medicine (TCM) has contributad greatly to improving human health. However, the biological characteristics and molecular mechanisms of TCM in the treatment of human diseases remain largely unknown. Genomics plays an important role in modern medicine and biology. Here, we introduce genomics and other related omics to the study of herbs to propose a new discipline, Herbgenomics, that aims to uncover the genetic information and regulatory networks of herbs and to clarify their molecular mechanisms in the prevention and treatment of human diseases...
November 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28929643/demons-registration-for-in-vivo-and-deformable-laser-scanning-confocal-endomicroscopy
#17
Wei-Ming Chiew, Feng Lin, Hock Soon Seah
A critical effect found in noninvasive in vivo endomicroscopic imaging modalities is image distortions due to sporadic movement exhibited by living organisms. In three-dimensional confocal imaging, this effect results in a dataset that is tilted across deeper slices. Apart from that, the sequential flow of the imaging-processing pipeline restricts real-time adjustments due to the unavailability of information obtainable only from subsequent stages. To solve these problems, we propose an approach to render Demons-registered datasets as they are being captured, focusing on the coupling between registration and visualization...
September 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28929594/epicardial-collateral-channel-for-retrograded-recanalization-of-chronic-total-occlusion-percutaneous-coronary-intervention-predictors-of-failure-and-procedural-outcome
#18
Zehan Huang, Dunliang Ma, Bin Zhang, Aba A Folson, Jingye Lin, Kaize Wu, Hongtao Liao, Zhian Zhong
OBJECTIVES: This study set out to identify significant lesion features of chronic total occlusion (CTO) that predict successful retrograde recanalization via epicardial collateral channels (CCs). BACKGROUND: Epicardial CCs remain essential in retrograde percutaneous coronary intervention (PCI) of CTO. However, the unpredictability of success and occurrence of complications limit the application of epicardial CCs for retrograde PCI technique for CTO. METHODS: 103 retro-recanalization cases were analyzed using epicardial CCs with successful recanalization as an end point...
September 19, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28929584/association-between-oral-leukoplakia-and-risk-of-upper-gastrointestinal-cancer-death-a-follow-up-study-of-the-linxian-general-population-trial
#19
He Liang, Zhao Yang, Jian-Bing Wang, Pei Yu, Jin-Hu Fan, You-Lin Qiao, Philip R Taylor
BACKGROUND: This study was conducted to explore the association between oral leukoplakia (OL) and the risk of upper gastrointestinal cancer death in the Linxian General Population Trial Cohort. METHODS: A prospective cohort study of the Linxian General Population Trial Cohort was performed. Participants with OL were treated as an exposed group, and the remainder was selected as a control group. All subjects were followed monthly by village health workers and reviewed quarterly by the Linxian Cancer Registry...
September 20, 2017: Thoracic Cancer
https://www.readbyqxmd.com/read/28929370/a-termite-symbiotic-mushroom-maximizing-sexual-activity-at-growing-tips-of-vegetative-hyphae
#20
Huei-Mei Hsieh, Mei-Chu Chung, Pao-Yang Chen, Fei-Man Hsu, Wen-Wei Liao, Ai-Ning Sung, Chun-Ru Lin, Chung-Ju Rachel Wang, Yu-Hsin Kao, Mei-Jane Fang, Chi-Yung Lai, Chieh-Chen Huang, Jyh-Ching Chou, Wen-Neng Chou, Bill Chia-Han Chang, Yu-Ming Ju
BACKGROUND: Termitomyces mushrooms are mutualistically associated with fungus-growing termites, which are widely considered to cultivate a monogenotypic Termitomyces symbiont within a colony. Termitomyces cultures isolated directly from termite colonies are heterokaryotic, likely through mating between compatible homokaryons. RESULTS: After pairing homokaryons carrying different haplotypes at marker gene loci MIP and RCB from a Termitomyces fruiting body associated with Odontotermes formosanus, we observed nuclear fusion and division, which greatly resembled meiosis, during each hyphal cell division and conidial formation in the resulting heterokaryons...
September 19, 2017: Botanical Studies (Taipei, Taiwan)
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