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https://www.readbyqxmd.com/read/28822270/nano-technology-contributions-towards-the-development-of-high-performance-radioisotope-generators-the-future-promise-to-meet-the-continuing-clinical-demand
#1
REVIEW
Tamer M Sakr, Mohamed F Nawar, T W Fasih, S El-Bayoumy, H A Abd El-Rehim
Nanostructured materials attracted considerable attention because of its high surface area to volume ratio resulting from their nano-scale dimensions. This class of sorbents is expected to have a potential impact on enhancement the efficacy of radioisotope generators for diagnostic and therapeutic applications in nuclear medicine. This review provides a summary on the importance of nanostructured materials as effective sorbents for the development of clinical-scale radioisotope generators and outlining the assessment of recent developments, key challenges and promising access to the near future...
August 10, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28822269/correlation-of-cholinergic-drug-induced-quenching-of-acetylcholinesterase-bound-thioflavin-t-fluorescence-with-their-inhibition-activity
#2
Mullah Muhaiminul Islam, Mostofa Ataur Rohman, Arun Bahadur Gurung, Atanu Bhattacharjee, Kripamoy Aguan, Sivaprasad Mitra
The development of new acetylcholinesterase inhibitors (AChEIs) and subsequent assay of their inhibition efficiency is considered to be a key step for AD treatment. The fluorescence intensity of thioflavin-T (ThT) bound in the active site of acetylcholinesterase (AChE) quenches substantially in presence of standard AChEI drugs due to the dynamic replacement of the fluorophore from the AChE active site as confirmed from steady state emission as well as time-resolved fluorescence anisotropy measurement and molecular dynamics simulation in conjunction with docking calculation...
August 5, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28822213/liberia-national-disaster-preparedness-coordination-exercise-implementing-lessons-learned-from-the-west-african-disaster-preparedness-initiative
#3
Melinda J Morton Hamer, Paul L Reed, Jane D Greulich, Charles W Beadling
OBJECTIVE: In light of the recent Ebola outbreak, there is a critical need for effective disaster management systems in Liberia and other West African nations. To this end, the West Africa Disaster Preparedness Initiative held a disaster management exercise in conjunction with the Liberian national government on November 24-25, 2015. DESIGN: During this tabletop exercise (TTX), interactions within and between the 15 counties and the Liberian national government were conducted and observed to refine and validate the county and national standard operating procedures (SOPs)...
January 2017: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28822200/-analysis-on-dosage-form-theory-and-current-application-situation-of-traditional-chinese-medicine-pill
#4
Zhen Zhang, Tian-Hui Gao, Chao-Mei Fu, Jin-Ming Zhang, Jin-Feng Shi, Yao He, Heng Yin, Mao-Yuan Jiang, Jie Li, Fei Gao
Traditional Chinese medicine(TCM) pill, the most representative and successive dosage form, is called as one of the four classical TCM dosage forms. "Pills could keep the lasting and lenitive therapeutic efficacy for a long period" is the most classical dosage form theory, showing a guidance significance in making recipe, preparations and clinic application. In this article, we would elucidate the inheritance and development significance of TCM pills in three key points, including dosage form theory, pharmaceutical preparation technology and clinic usage based on the pharmaceutics connotation of this theory...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822180/-habitat-areas-extracting-of-poria-cocos-in-anhui-based-on-3s-technologies
#5
Luo Tian, Wen-Zuo Zhou, Wan-Hua He, Dan Lun, Dong-Hong Liu
"Adversity" is one primary element that impacts the pharmacology components of authentic Chinese herbal medicine. Knowledge about "adversity" is a precondition of yield estimation, quality monitoring, location selection and the geo-herbalism protection. Used 3S(GIS, RS and GPS) technology to combine multi-source key ecological factors of "Anling", and used parasitic relationships between organisms to extracting its suitable region for the first time. Results showed that the "Anling" were mainly distributed in Dabie coteau...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822179/-research-of-genes-expression-related-to-ginsenosides-biosynthesis-by-methyl-jasmonic-acid-in-ginseng-hair-roots
#6
Kang-Yu Wang, Li-Li Yu, Mei-Ping Zhang, Rui Yin, Yan-Ping Lin, Ming-Zhu Zhao, Chun-Yu Sun, Yi Wang
In order to obtain the expression of ginsenoside biosynthetic pathway related enzyme gene in ginseng hairy root under the control of elicitors, methyl jasmonate (MeJA) was added exogenously as elicitors. Ginseng hairy root clones induced by 4-year-old ginseng root was used as material, total saponin content in ginseng hairy root before and after MeJA treatment was determined by vanillin-sulfuric acid colorimetry, Meanwhile, relative expression of squalene synthase genes, squalene epoxidase genes, oxidized squalene cyclase genes, dammarenediol synthase genes, β-amyrin synthase genes, cycloartenol synthase genes before and after MeJA treatment were determined by Real-time PCR...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822174/-biological-assay-in-quality-control-of-animal-medicines
#7
REVIEW
Xuan Wang, Luo-Dan Ouyang, Chun-Mei Dai, Li Ma, Xiao-He Xiao
Animal medicine is a unique part of traditional Chinese medicine. They have strong effects, but their effective compounds are not entirely known. The efficiency and safety of animal medicines can't be effectively controlled by current quality assurance system and evaluation method, which has deeply influenced the development of animal medicines. Biological assay does not focus on efficacy of single component, but directly reflects the pharmacodynamics and safety of animal medicines by biological effect. With the development of biotechnology, many new technologies have emerged, such as biochip and high content analysis...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822173/-breakthrough-in-key-science-and-technologies-in-dendrobium-catenatum-industry
#8
Ji-Ping Si, Qi Wang, Zhong-Jian Liu, Jing-Jing Liu, Yi-Bo Luo
In view of the significant difficulties of propagation, planting and simple product in Dendrobium catenatum(D. officinale)industry development, a series of research were carried out. Genome study showed that D. catenatum is a specie of diploid with 38 chromosomes and 28 910 protein-coding genes. It was identified that specific genes accumulated in different organs at the transcriptome level. We got an insight into the gene regulation mechanism of the loss of the endospermous seed, the wide ecological adaptability and the synthesis of polysaccharides, which provided a theoretical basis for genetic engineering breeding and development and utilization of active pharmaceutical ingredients...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822161/-synergistic-mechanism-of-traditional-chinese-medicine-based-on-target-combination-of-pept1-and-ppar%C3%AE
#9
Lian-Sheng Qiao, Yan-Kun Chen, Gang-Gang Luo, Fang Lu, Si-Jia Liu, Gong-Yu Li, Yan-Ling Zhang
Synergistic effect is main pharmacological mechanism of traditional Chinese medicine(TCM). The research method based on the key targets combination is an important method to explore the synergistic effect of TCM. Peptide transporter 1 (PepT1) is an essential target for drug uptake into the bloodstream, accounting for about 50% of the total transporter protein content from the small intestine. Peroxisome proliferator-activated receptor α(PPARα) is the lipid-lowering target of fibrates, which have a good hypolipidemic effect by activating PPARα...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822159/-effect-of-sodium-houttuyfonate-in-combination-with-erythromycin-on-luxs-agr-rna%C3%A2-of-staphylococus-epidermidis
#10
Gan-Fei Xu, Jing-Jing Wang, Da-Qiang Wu, Yan Guan
Quorum sensing of bacteria and its specific gene expression regulation have a very important role in bacterial biofilm formation. LuxS and agr are the key regulatory genes in quorum sensing of Staphylococcus epidermidis, and RNA Ⅲ is the effector molecule of agr system. In order to evaluate the effects of sodium houttuyfonate in combination with erythromycin on the transcription level of S. epidermidis, serial dilution method was used to determine the MIC of sodium houttuyfonate, erythromycin and vancomycin on S...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28822125/in-vitro-alkylation-methods-for-assessing-the-protein-redox-state
#11
Flavien Zannini, Jérémy Couturier, Olivier Keech, Nicolas Rouhier
Cysteines are important residues for protein structure, function, and regulation. Owing to their modified reactivity, some cysteines can undergo very diverse redox posttranslational modifications, including the reversible formation of disulfide bonds, a widespread protein regulatory process as well exemplified in plant chloroplasts for Calvin-Benson cycle enzymes. Both core- and peripheral-photorespiratory enzymes possess conserved cysteines, some of which have been identified as being subject to oxidative modifications...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28822114/glycosylation-of-dentin-matrix-protein-1-is-a-novel-key-element-for-astrocyte-maturation-and-bbb-integrity
#12
Bo Jing, Chunxue Zhang, Xianjun Liu, Liqiang Zhou, Jiping Liu, Yinan Yao, Juehua Yu, Yuteng Weng, Min Pan, Jie Liu, Zuolin Wang, Yao Sun, Yi Eve Sun
The blood-brain barrier (BBB) is a tight boundary formed between endothelial cells and astrocytes, which separates and protects brain from most pathogens as well as neural toxins in circulation. However, detailed molecular players involved in formation of BBB are not completely known. Dentin matrix protein 1 (DMP1)-proteoglycan (PG), which is known to be involved in mineralization of bones and dentin, is also expressed in soft tissues including brain with unknown functions. In the present study, we reported that DMP1-PG was expressed in brain astrocytes and enriched in BBB units...
August 18, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28822113/economic-evaluation-of-interventions-for-children-with-neurodevelopmental-disorders-opportunities-and-challenges
#13
Ramesh Lamsal, Jennifer D Zwicker
Economic evaluation is a tool used to inform decision makers on the efficiency of comparative healthcare interventions and inform resource allocation decisions. There is a growing need for the use of economic evaluations to assess the value of interventions for children with neurodevelopmental disorders (NDDs), a population that has increasing demands for healthcare services. Unfortunately, few evaluations have been conducted to date, perhaps stemming from challenges in applying existing economic evaluation methodologies in this heterogeneous population...
August 18, 2017: Applied Health Economics and Health Policy
https://www.readbyqxmd.com/read/28822081/expression-profiling-of-the-map-kinase-phosphatase-family-reveals-a-role-for-dusp1-in-the-glioblastoma-stem-cell-niche
#14
Bradley N Mills, George P Albert, Marc W Halterman
The dual specificity phosphatases (DUSPs) constitute a family of stress-induced enzymes that provide feedback inhibition on mitogen-activated protein kinases (MAPKs) critical in key aspects of oncogenic signaling. While described in other tumor types, the landscape of DUSP mRNA expression in glioblastoma (GB) remains largely unexplored. Interrogation of the REpository for Molecular BRAin Neoplasia DaTa (REMBRANDT) revealed induction (DUSP4, DUSP6), repression (DUSP2, DUSP7-9), or mixed (DUSP1, DUSP5, DUSP10, DUSP15) DUSP transcription of select DUSPs in bulk tumor specimens...
August 18, 2017: Cancer Microenvironment: Official Journal of the International Cancer Microenvironment Society
https://www.readbyqxmd.com/read/28822058/immune-dysfunction-in-non-hodgkin-lymphoma-avenues-for-new-immunotherapy-based-strategies
#15
REVIEW
Lorenzo Falchi
PURPOSE OF THIS REVIEW: The present review focuses on key aspects of non-Hodgkin lymphoma (NHL) evasion of immune surveillance and how these can be leveraged to devise effective immunotherapy strategies. RECENT FINDINGS: In recent years, significant progress has been made in the field of cancer immunotherapy. In particular, the remarkable clinical results of anti-programmed death (PD)-1/PD-ligand (L)1 antibodies are revolutionizing the treatment approach to multiple solid and hematologic tumors...
August 18, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28822042/implementation-of-a-big-data-accessing-and-processing-platform-for-medical-records-in-cloud
#16
Chao-Tung Yang, Jung-Chun Liu, Shuo-Tsung Chen, Hsin-Wen Lu
Big Data analysis has become a key factor of being innovative and competitive. Along with population growth worldwide and the trend aging of population in developed countries, the rate of the national medical care usage has been increasing. Due to the fact that individual medical data are usually scattered in different institutions and their data formats are varied, to integrate those data that continue increasing is challenging. In order to have scalable load capacity for these data platforms, we must build them in good platform architecture...
August 18, 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28822035/identification-and-functional-characterization-of-a-p-coumaroyl-coa-2-hydroxylase-involved-in-the-biosynthesis-of-coumarin-skeleton-from-peucedanum-praeruptorum-dunn
#17
Ruolan Yao, Yucheng Zhao, Tingting Liu, Chuanlong Huang, Sheng Xu, Ziwei Sui, Jun Luo, Lingyi Kong
A p-coumaroyl CoA 2'-hydroxylase responsible for the formation of coumarin lactone ring was identified from Peucedanum praeruptorum Dunn and functionally characterized in vitro. Coumarins are important plant secondary metabolites with a variety of biological activities. Ortho-hydroxylation of cinnamates leads to the formation of coumarin lactone ring and is generally thought to be a key step in coumarin biosynthesis. However, ortho-hydroxylases, especially p-coumaroyl CoA 2'-hydroxylase (C2'H) responsible for the biosynthesis of the most common coumarin skeleton, have received insufficient attention...
August 18, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28822034/microrna-expression-target-genes-and-signaling-pathways-in-infants-with-a-ventricular-septal-defect
#18
Hui Chai, Zhaoyuan Yan, Ke Huang, Yuanqing Jiang, Lin Zhang
This study aimed to systematically investigate the relationship between miRNA expression and the occurrence of ventricular septal defect (VSD), and characterize the miRNA target genes and pathways that can lead to VSD. The miRNAs that were differentially expressed in blood samples from VSD and normal infants were screened and validated by implementing miRNA microarrays and qRT-PCR. The target genes regulated by differentially expressed miRNAs were predicted using three target gene databases. The functions and signaling pathways of the target genes were enriched using the GO database and KEGG database, respectively...
August 18, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28822032/synthesis-of-rigid-polyurethane-foams-from-phosphorylated-biopolyols
#19
Juan Carlos de Haro, Daniel López-Pedrajas, Ángel Pérez, Juan Francisco Rodríguez, Manuel Carmona
Renewable resources are playing a key role on the synthesis of biodegradable polyols. Moreover, the incorporation of covalently linked additives is increasing in importance in the polyurethane (PU) market. In this work, previously epoxidized grape seed oil and methyl oleate were transformed into phosphorylated biopolyols through an acid-catalyzed ring-opening hydrolysis in the presence of H3PO4. The formation of phosphate polyesters was confirmed by FT-IR and (31)P-NMR. However, the synthesis of a high-quality PU rigid foam was not possible using exclusively these polyols attending to their low hydroxyl value...
August 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28821969/interleukin-1-receptor-like-1-protein-st2-is-a-potential-biomarker-for-cardiomyopathy-in-duchenne-muscular-dystrophy
#20
Julia Anderson, Haeri Seol, Heather Gordish-Dressman, Yetrib Hathout, Christopher F Spurney
Duchenne muscular dystrophy (DMD) is a rare, fatal X-linked disorder characterized by the lack of dystrophin, a key sarcolemma muscle protein. Cardiac failure is a significant cause of death in DMD subjects. The purpose of our research was to identify potential cardiac serum biomarkers associated with DMD cardiomyopathy. This is an observational, case-controlled study using subjects from the CINRG DMD natural history study with cardiomyopathy (ejection fraction (EF) <55%; shortening fraction (SF) <28%), subjects without cardiomyopathy (EF ≥ 55%; SF ≥ 28%) compared to normal healthy volunteer subjects...
August 18, 2017: Pediatric Cardiology
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