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https://www.readbyqxmd.com/read/28527405/synthesis-and-structure-activity-relationships-of-novel-fused-ring-analogues-of-q203-as-antitubercular-agents
#1
Sunhee Kang, Young Mi Kim, Heekyung Jeon, Sejin Park, Min Jung Seo, Saeyeon Lee, Dongsik Park, Jiyeon Nam, Seokwoo Lee, Kiyean Nam, Sanghee Kim, Jaeseung Kim
A set of fused ring analogues of a new antitubercular agent, Q203, was designed and synthesized. To reduce the lipophilicity of Q203 caused by linearly extended side chains, shorter and heteroatoms containing fused rings were introduced into the side chain region. Antitubercular activity was tested against H37Rv-GFP replicating in liquid broth culture medium (extracellular) and within macrophages (intracellular). Many analogues showed potent extracellular activities as well as intracellular activities without cytotoxicity...
May 10, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28527337/improved-stress-tolerance-and-productivity-in-transgenic-rice-plants-constitutively-expressing-the-oryza-sativa-glutathione-synthetase-osgs-under-paddy-field-conditions
#2
Seong-Im Park, Young-Saeng Kim, Jin-Ju Kim, Ji-Eun Mok, Yul-Ho Kim, Hyang-Mi Park, Il-Sup Kim, Ho-Sung Yoon
Reactive oxygen species, which increase under various environmental stresses, have deleterious effects on plants. An important antioxidant, glutathione, is used to detoxify reactive oxygen species in plant cells and is mainly produced by two enzymes: gamma-glutamylcysteine synthetase (γ-ECS) and glutathione synthetase (GS). To evaluate the functional roles of the glutathione synthetase gene (OsGS) in rice, we generated four independent transgenic rice plants (TG1-TG4) that overexpressed OsGS under the control of the constitutively expressed OsCc1 promoter...
May 10, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28527335/dissection-of-cis-regulatory-element-architecture-of-the-rice-oleosin-gene-promoters-to-assess-abscisic-acid-responsiveness-in-suspension-cultured-rice-cells
#3
Sol Kim, Soo-Bin Lee, Chae-Seong Han, Mi-Na Lim, Sung-Eun Lee, In Sun Yoon, Yong-Sic Hwang
Oleosins are the most abundant proteins in the monolipid layer surrounding neutral storage lipids that form oil bodies in plants. Several lines of evidence indicate that they are physiologically important for the maintenance of oil body structure and for mobilization of the lipids stored inside. Rice has six oleosin genes in its genome, the expression of all of which was found to be responsive to abscisic acid (ABA) in our examination of mature embryo and aleurone tissues. The 5'-flanking region of OsOle5 was initially characterized for its responsiveness to ABA through a transient expression assay system using the protoplasts from suspension-cultured rice cells...
May 1, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28527324/source-characterization-of-urban-particles-from-meat-smoking-activities-in-chongqing-china-using-single-particle-aerosol-mass-spectrometry
#4
Yang Chen, John C Wenger, Fumo Yang, Junji Cao, Rujin Huang, Guangming Shi, Shumin Zhang, Mi Tian, Huanbo Wang
A Single Particle Aerosol Mass Spectrometer (SPAMS) was deployed in the urban area of Chongqing to characterize the particles present during a severe particulate pollution event that occurred in winter 2014-2015. The measurements were made at a time when residents engaged in traditional outdoor meat smoking activities to preserve meat before the Chinese Spring Festival. The measurement period was predominantly characterized by stagnant weather conditions, highly elevated levels of PM2.5, and low visibility...
May 17, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28526808/the-impact-of-interleukin-10-il-10-gene-4-polymorphisms-on-peripheral-blood-il-10-variation-and-prostate-cancer-risk-based-on-published-studies
#5
Tingting Men, Cuicui Yu, Dan Wang, Fang Liu, Jingjing Li, Xiaoying Qi, Chunhua Yang, Wenguo Jiang, Xiaodan Wei, Xuri Li, Bin Wang, Jia Mi, Geng Tian
This study purported to investigate the impact of interleukin-10 (IL-10) gene 4 polymorphisms (-1082G>A, -819T>C, -592A>C and 210T>C) on peripheral blood IL-10 variation and prostate cancer (PCa) risk, with a special consideration given to various origins of between-study heterogeneity. 2 researchers independently fulfilled literature retrieval, quality assessment and information collection. Sub-grouped analyses per ethnicity, continent, design type, control source, genotyping procedure, genotype validation, age-matched status, study sample size, quality score and controls' mean age were conducted, respectively...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28526409/expression-and-purification-of-functional-pdgf-receptor-beta
#6
Qingbin Shang, Liang Zhao, Xiaojing Wang, Meimei Wang, Sen-Fang Sui, Li-Zhi Mi
Platelet Derived Growth Factor receptors (PDGFRs), members of receptor tyrosine kinase superfamily, play essential roles in early hematopoiesis, angiogenesis and organ development. Dysregulation of PDGF receptor signaling under pathological conditions associates with cancers, vascular diseases, and fibrotic diseases. Therefore, they are attractive targets in drug development. Like any other membrane proteins with a single-pass transmembrane domain, the high-resolution structural information of the full-length PDGF receptors is still not resolved...
May 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28525981/combination-of-gabapentin-and-ramosetron-for-the-prevention-of-postoperative-nausea-and-vomiting-after-gynecologic-laparoscopic-surgery-a-prospective-randomized-comparative-study
#7
Kyung Mi Kim, Jin Huh, Soo Kyung Lee, Eun Young Park, Jung Min Lee, Hyo Ju Kim
BACKGROUND: As a drug originally introduced for its anticonvulsant effects, gabapentin has been recently shown to be effective in the treatment of nausea and vomiting in various clinical settings. This study compared the antiemetic efficacy of oral gabapentin, intravenous ramosetron and gabapentin plus ramosetron in patients receiving fentanyl-based patient-controlled analgesia after laparoscopic gynecologic surgery. METHODS: One hundred and thirty two patients undergoing laparoscopic gynecologic surgery under general anesthesia were allocated randomly into three groups: group G received 300 mg oral gabapentin 1 h before anesthesia, group R received 0...
May 19, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28525756/immunization-elicited-broadly-protective-antibody-reveals-ebolavirus-fusion-loop-as-a-site-of-vulnerability
#8
Xuelian Zhao, Katie A Howell, Shihua He, Jennifer M Brannan, Anna Z Wec, Edgar Davidson, Hannah L Turner, Chi-I Chiang, Lin Lei, J Maximilian Fels, Hong Vu, Sergey Shulenin, Ashley N Turonis, Ana I Kuehne, Guodong Liu, Mi Ta, Yimeng Wang, Christopher Sundling, Yongli Xiao, Jennifer S Spence, Benjamin J Doranz, Frederick W Holtsberg, Andrew B Ward, Kartik Chandran, John M Dye, Xiangguo Qiu, Yuxing Li, M Javad Aman
While neutralizing antibodies are highly effective against ebolavirus infections, current experimental ebolavirus vaccines primarily elicit species-specific antibody responses. Here, we describe an immunization-elicited macaque antibody (CA45) that clamps the internal fusion loop with the N terminus of the ebolavirus glycoproteins (GPs) and potently neutralizes Ebola, Sudan, Bundibugyo, and Reston viruses. CA45, alone or in combination with an antibody that blocks receptor binding, provided full protection against all pathogenic ebolaviruses in mice, guinea pigs, and ferrets...
May 18, 2017: Cell
https://www.readbyqxmd.com/read/28525644/risk-factors-and-clinical-outcomes-of-breakthrough-yeast-bloodstream-infections-in-patients-with-hematological-malignancies-in-the-era-of-newer-antifungal-agents
#9
Si-Hyun Kim, Jae-Ki Choi, Sung-Yeon Cho, Hyo-Jin Lee, Sun Hee Park, Su-Mi Choi, Dong-Gun Lee, Jung-Hyun Choi, Jin-Hong Yoo, Jong-Wook Lee
Although yeast bloodstream infections (BSIs) are increasingly being reported in patients with hematological malignancies undergoing antifungal therapy, clinical information regarding breakthrough infections is scarce. The aim of this study was to determine the risk factors for and clinical outcomes of breakthrough yeast BSIs in patients with hematological malignancies in the era of newer antifungal agents. Between 2011 and 2014, all consecutive patients with hematological malignancies who developed yeast BSIs were included in a case-control study wherein breakthrough infections (cases) and de novo infections (controls) were compared...
May 19, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28524834/wild-type-p53-induced-phosphatase-1-deficiency-exacerbates-myocardial-infarction-induced-ischemic-injury
#10
Ke-Mei Liu, Hai-Hong Zhang, Ya-Nan Wang, Lian-Mei Wang, Hong-Yu Chen, Cai-Feng Long, Lian-Feng Zhang, Hong-Bing Zhang, Hong-Bing Yan
BACKGROUND: Myocardial infarction (MI) is a major disease burden. Wild-type p53-induced phosphatase 1 (Wip1) has been studied extensively in the context of cancer and the regulation of different types of stem cells, but the role of Wip1 in cardiac adaptation to MI is unknown. We investigated the significance of Wip1 in a mouse model of MI. METHODS: The study began in June 2014 and was completed in July 2016. We compared Wip1-knockout (Wip1-KO) mice and wild-type (WT) mice to determine changes in cardiac function and survival in response to MI...
June 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28524785/development-of-genipin-crosslinked-fucoidan-chitosan-n-arginine-nanogels-for-preventing-helicobacter-infection
#11
Yu-Hsin Lin, Kun-Ying Lu, Ching-Li Tseng, Jui-Yu Wu, Chien-Ho Chen, Fwu-Long Mi
AIM: This study aims to validate the anti-Helicobacter pylori efficacy of amoxicillin-loaded nanoparticles and nanogels with pH-responsive and site-specific drug release properties against H. pylori infection. MATERIALS & METHODS: Genipin-crosslinked low molecular weight fucoidan/chitosan-N-arginine nanogels (FCSA) were prepared for targeted delivery of amoxicillin to the site of H. pylori infected AGS gastric epithelial cells. RESULTS: The negatively charged nanogels (n-FCSA) adhered to H...
May 19, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28524692/electron-nuclear-coupling-through-autoionizing-states-after-strong-field-excitation-of-h_-2-molecules
#12
Yonghao Mi, Nicolas Camus, Lutz Fechner, Martin Laux, Robert Moshammer, Thomas Pfeifer
Channel-selective electron emission from strong-field photoionization of H_{2} molecules is experimentally investigated by using ultrashort laser pulses and a reaction microscope. The electron momenta and energy spectra in coincidence with bound and dissociative ionization channels are compared. Surprisingly, we observed an enhancement of the photoelectron yield in the low-energy region for the bound ionization channel. By further investigation of asymmetrical electron emission using two-color laser pulses, this enhancement is understood as the population of the autoionizing states of H_{2} molecules in which vibrational energy is transferred to electronic energy...
May 5, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28524178/transcriptome-analyses-of-chronic-traumatic-encephalopathy-show-alterations-in-protein-phosphatase-expression-associated-with-tauopathy
#13
Jeong-Sun Seo, Seungbok Lee, Jong-Yeon Shin, Yu Jin Hwang, Hyesun Cho, Seong-Keun Yoo, Yunha Kim, Sungsu Lim, Yun Kyung Kim, Eun Mi Hwang, Su Hyun Kim, Chong-Hyun Kim, Seung Jae Hyeon, Ji-Young Yun, Jihye Kim, Yona Kim, Victor E Alvarez, Thor D Stein, Junghee Lee, Dong Jin Kim, Jong-Il Kim, Neil W Kowall, Hoon Ryu, Ann C McKee
Chronic traumatic encephalopathy (CTE) is a progressive neurodegenerative disorder that is associated with repetitive head injury and has distinctive neuropathological features that differentiate this disease from other neurodegenerative diseases. Intraneuronal tau aggregates, although they occur in different patterns, are diagnostic neuropathological features of CTE, but the precise mechanism of tauopathy is not known in CTE. We performed whole RNA sequencing analysis of post-mortem brain tissue from patients with CTE and compared the results to normal controls to determine the transcriptome signature changes associated with CTE...
May 19, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28523959/content-fat-and-calorie-of-human-milk-is-affected-by-interactions-between-maternal-age-and-body-mass-index
#14
Won-Ho Hahn, Tchaewon Jeong, Suyeon Park, Seunghyun Song, Nam Mi Kang
PURPOSE: We evaluated the association between macronutrients of human milk (HM), and interactions between maternal age and body mass index(BMI) in matched conditions. MATERIAL AND METHODS: Totally, 80 HM samples were collected from healthy breast-feeding mothers at fourth week of lactation. HM macronutrients and maternal data were analyzed. Mothers were subgrouped into four groups by maternal age (20 s/30 s) and BMI (overweight/normal). RESULTS: Two-way ANOVA revealed significant interactions between age and BMI to affect macronutrients; fat, carbohydrate, and calories...
May 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28523864/allergic-contact-dermatitis-due-to-methylisothiazolinone-in-a-young-girl-s-laundry-detergent
#15
Colleen H Cotton, Cliff G Duah, Catalina Matiz
Methylisothiazolinone (MI) is an emerging and increasing cause of allergic contact dermatitis (ACD) in children. We present the case of a 7-year-old girl with an unusual dermatitis suspicious for contact allergy. Patch testing confirmed allergy to MI, found only in the patient's laundry detergent. This case highlights the importance of checking household product ingredients and the role of MI as an increasing cause of ACD in children.
May 19, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28523795/efficacy-of-an-oral-health-literacy-intervention-among-indigenous-australian-adults
#16
Xiangqun Ju, David Brennan, Eleanor Parker, Helen Mills, Kostas Kapellas, Lisa Jamieson
OBJECTIVE: To determine the effect of an oral health literacy intervention on oral health literacy-related outcomes among rural-dwelling Indigenous Australian adults. METHODS: A total of 400 Indigenous adults (203 intervention and 197 control participants) were recruited into a randomized controlled trial; a functional, context-specific oral health literacy interventions were developed and implemented by Indigenous staff. The intervention comprised five sessions, each lasting 1...
May 19, 2017: Community Dentistry and Oral Epidemiology
https://www.readbyqxmd.com/read/28523763/proton-mr-spectroscopy-of-lesion-evolution-in-multiple-sclerosis-steady-state-metabolism-and-its-relationship-to-conventional-imaging
#17
Ivan I Kirov, Shu Liu, Assaf Tal, William E Wu, Matthew S Davitz, James S Babb, Henry Rusinek, Joseph Herbert, Oded Gonen
Although MRI assessment of white matter lesions is essential for the clinical management of multiple sclerosis, the processes leading to the formation of lesions and underlying their subsequent MRI appearance are incompletely understood. We used proton MR spectroscopy to study the evolution of N-acetyl-aspartate (NAA), creatine (Cr), choline (Cho), and myo-inositol (mI) in pre-lesional tissue, persistent and transient new lesions, as well as in chronic lesions, and related the results to quantitative MRI measures of T1-hypointensity and T2-volume...
May 19, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28523343/hh-signaling-in-regeneration-of-the-ischemic-heart
#18
REVIEW
Marina Dunaeva, Johannes Waltenberger
Myocardial infarction (MI) is caused by the occlusion of a coronary artery due to underlying atherosclerosis complicated by localized thrombosis. The blockage of blood flow leads to cardiomyocyte (CM) death in the infarcted area. Adult mammalian cardiomyocytes have little capacity to proliferate in response to injury; however, some pathways active during embryogenesis and silent during adult life are recruited in response to tissue injury. One such example is hedgehog (Hh) signaling. Hh is involved in the embryonic development of the heart and coronary vascular system...
May 18, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28523279/increased-neutrophil-extracellular-trap-formation-in-uremia-is-associated-with-chronic-inflammation-and-prevalent-coronary-artery-disease
#19
Jwa-Kyung Kim, Chang-Won Hong, Mi Jin Park, Young Rim Song, Hyung Jik Kim, Sung Gyun Kim
Background. Neutrophils are involved in the pathogenesis of atherosclerosis by neutrophil extracellular trap (NET) formation. We hypothesized that the NET formation of neutrophils might be changed in end-stage renal disease (ESRD) patients, explaining their higher incidence of coronary artery diseases (CAD). Method. A cross-sectional study was performed in 60 maintenance hemodialysis (MHD) patients, 30 age- and sex-matched healthy individuals (HV, negative control), and 30 patients with acute infection (positive control)...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28523264/erratum-to-raloxifene-administration-in-women-treated-with-long-term-gonadotropin-releasing-hormone-agonist-for-severe-endometriosis-effects-on-bone-mineral-density
#20
Young Hwa Cho, Mi Jung Um, Suk Jin Kim, Soo Ah Kim, Hyuk Jung
[This corrects the article on p. 174 in vol. 22, PMID: 28119898.].
April 2017: Journal of Menopausal Medicine
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