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Xiaoli Xu, Yue Wu, Mingyang Hu, Xiang Li, Qichao Bao, Jinlei Bian, Qidong You, Xiaojin Zhang
DDO-6101, a simplified structure obtained from the Garcinia natural product (NP) gambogic acid (GA), has been previously shown to possess high cytotoxicity to a variety of human tumour cell lines. To improve its physicochemical properties and in vivo cytotoxic potency, a series of novel carbamate-bearing derivatives based on DDO-6101 was synthesized and characterized. The structural modifications revealed that the presence of a carbamate moiety was useful for obtaining comparable cytotoxicity and improved aqueous solubility and permeability...
October 21, 2016: Scientific Reports
Madhulata Kumari, Subhash Chandra, Neeraj Tiwari, Naidu Subbarao
BACKGROUND: The Plasmodium falciparum M18 Aspartyl Aminopeptidase (PfM18AAP) is only aspartyl aminopeptidase which is found in the genome of P. falciparum and is essential for its survival. The PfM18AAP enzyme performs various functions in the parasite and the erythrocytic host such as hemoglobin digestion, erythrocyte invasion, parasite growth and parasite escape from the host cell. It is a valid target to develop antimalarial drugs. In the present work, we employed 3D QSAR modeling, pharmacophore modeling, and molecular docking to identify novel potent inhibitors that bind with M18AAP of P...
2016: BMC Structural Biology
Ekua Yorke, Noah Jacob Switzer, Artan Reso, Xinhe Shi, Christopher de Gara, Daniel Birch, Richdeep Gill, Shahzeer Karmali
Older models of intragastric balloons (IGBs) had unacceptably high complication rates and inconsequential weight loss. With FDA approval of newer models, we aimed to systematically examine the literature regarding the efficacy of IGB therapy for obesity. A comprehensive electronic database search was completed. Title searching was restricted to the following keywords: bariatric, gastric, gastric bypass, gastric band, sleeve gastrectomy, and intragastric balloon. Twenty-six primary studies (n = 6101) were included...
September 2016: Obesity Surgery
Guo-Lin Xiong, Xing Shen, Xiao-Lan Liu, Meng Yang, Chang-Liang Dai, Xiao-Yu Liu, Shuang Xing, Zu-Yin Yu
OBJECTIVE: To investigate the effects of HS 6101 and recombinant human granulocyte colony stimulating factor (rhG-CSF) on hematopoiesis recovery of ICR mice injured by cyclophosphamide (CTX). METHODS: A total of 103 ICR mice were divided into 4 groups, including CTX control (46 mice), HS 6101 (21 mice), rhG-CSF (18 mice) and HS 6101+rhG-CSF (18 mice), respectively. The mouse model of chemotherapy-induced haematopoietic injury was established by CTX intraperitoneal injection at a dose of 100 mg/kg once a day for 3 consecutive days...
December 2015: Zhongguo Shi Yan Xue Ye Xue za Zhi
L B Sousa, O T Hamawaki, A P O Nogueira, R O Batista, V M Oliveira, R L Hamawaki
In the final phases of new soybean cultivar development, lines are cultivated in several locations across multiple seasons with the intention of identifying and selecting superior genotypes for quantitative traits. In this context, this study aimed to study the genotype-by-environment interaction for the trait grain yield (kg/ha), and to evaluate the adaptability and stability of early-cycle soybean genotypes using the additive main effects and multiplicative interaction (AMMI) analysis, genotype main effects and genotype x environment interaction (GGE) biplot, and factor analysis methods...
2015: Genetics and Molecular Research: GMR
Yue Wu, Mingyang Hu, Li Yang, Xiang Li, Jinlei Bian, Fen Jiang, Haopeng Sun, Qidong You, Xiaojin Zhang
DDO-6101, a natural-product-like caged xanthone discovered previously in our laboratory based on the pharmacophoric scaffold of Garcinia natural product gambogic acid (GA), shows potent cytotoxicity in vitro but poor efficacy in vivo due to its poor druglike properties. In order to improve the druglike properties and in vivo cytotoxic potency, a novel series of 19 prenyl group-modified derivatives of DDO-6101 was synthesized and evaluated for their in vitro antitumor activity and druglike properties. The SAR and SPR information of these compounds was also obtained...
June 15, 2015: Bioorganic & Medicinal Chemistry Letters
Zheng-Xia Chen, Hong-Gang Ni, Xin Jing, Wen-Jing Chang, Jian-Lin Sun, Hui Zeng
Fine roots of woody plants are a heterogeneous system differing markedly in structure and function. Nevertheless, knowledge about the plant uptake of organic pollutants via fine roots is scarce to date. In the present study, plant uptake, translocation, and return of polycyclic aromatic hydrocarbons (PAHs) via fine roots in a subtropical forest ecosystem were investigated. Levels of Σ15PAHs in different fine root branch orders of Michelia macclurei, Cryptocarya concinna, Cryptocarya chinensis, and Canthium dicoccums varied from 5072±1419 ng g(-1) to 6080±1656 ng g(-1), 4037±410 ng g(-1) to 6101±972 ng g(-1), 3308±1191 ng g(-1) to 4283±237 ng g(-1), and 3737±800 ng g(-1) to 4895±1216 ng g(-1), respectively...
July 2015: Chemosphere
Xing Shen, Shuang Xing, Guo-Lin Xiong, Ling Xie, Ling-Ling Guo, Zheng-Liang Qiu, Chang-Hui Ge, Chang-Liang Dai, Qing-Liang Luo, Xiao-Yu Liu, Zu-Yin Yu
This study was purposed to investigate the protective effects of lipoprotein HS-6101(6101) on rhesus monkey total body irradiated with 7.0 Gy ⁶⁰Coγ-ray. A total of 30 health adult rhesus monkeys were randomly divided into symptomatic therapy (ST), WR2721 and HS-6101 30, 90 and 270 mg/kg groups (n = 6), the rhesus monkeys of each groups were injected with physiological saline 0.3 ml/kg, WR-2721 30 mg/kg, or HS-6101 30, 90 and 270 µg/kg, respectively. All agents were once intramuscularly injected at 1 hr prior irradiation...
December 2014: Zhongguo Shi Yan Xue Ye Xue za Zhi
Michael J Lanspa, Justin Dickerson, Alan H Morris, James F Orme, John Holmen, Eliotte L Hirshberg
INTRODUCTION: Both patient- and context-specific factors may explain the conflicting evidence regarding glucose control in critically ill patients. Blood glucose variability appears to correlate with mortality, but this variability may be an indicator of disease severity, rather than an independent predictor of mortality. We assessed blood glucose coefficient of variation as an independent predictor of mortality in the critically ill. METHODS: We used eProtocol-Insulin, an electronic protocol for managing intravenous insulin with explicit rules, high clinician compliance, and reproducibility...
2014: Critical Care: the Official Journal of the Critical Care Forum
Cuauhtemoc Licona-Cassani, Sooa Lim, Esteban Marcellin, Lars K Nielsen
Actinomycetes undergo a dramatic reorganization of metabolic and cellular machinery during a brief period of growth arrest ("metabolic switch") preceding mycelia differentiation and the onset of secondary metabolite biosynthesis. This study explores the role of phosphorylation in coordinating the metabolic switch in the industrial actinomycete Saccharopolyspora erythraea. A total of 109 phosphopeptides from 88 proteins were detected across a 150-h fermentation using open-profile two-dimensional LC-MS proteomics and TiO(2) enrichment...
May 2014: Molecular & Cellular Proteomics: MCP
Simone A Johner, Michael Thamm, Peter Stehle, Ute Nöthlings, Eugen Kriener, Henry Völzke, Roland Gärtner, Thomas Remer
BACKGROUND: Worldwide, iodine prophylaxis measures have improved iodine status in populations. Several studies have reported an increase in thyrotropin (TSH) levels coinciding with this prophylaxis. Whether this implies an increased risk for hypothyroidism or simply reflects a physiologic TSH adaptation mechanism is not clear. METHODS: Data on iodine and thyroid status of 6-17 year old children and adolescents (n=9175), collected between 2003 and 2006 in the German-wide Health Interview and Examination Survey for Children and Adolescents (KiGGS) Study, provided the basis for the analyses of mutual relationships of urinary iodine status (assessed by iodine/creatinine ratio in spot urines), serum TSH levels, and thyroid volume (determined by ultrasound)...
July 2014: Thyroid: Official Journal of the American Thyroid Association
Matthew Marino, Horace Spencer, Sam Hohmann, Donald Bodenner, Brendan C Stack
OBJECTIVE: To compare the cost of same-day vs 23-hour observation outpatient thyroidectomy at US academic medical centers. STUDY DESIGN: Cross-sectional analysis of a national database. SETTING: The University HealthSystem Consortium (UHC) data collected from discharge summaries. SUBJECTS AND METHODS: Discharge data were collected from the first quarter of 2009 through the second quarter of 2013. The UHC database, compiled from more than 200 affiliated hospitals, was searched based on diagnosis codes for outpatient thyroid procedures...
May 2014: Otolaryngology—Head and Neck Surgery
Yi Ding, Dandan He, Diego Florentin, Anna Frolov, Sue Hilsenbeck, Michael Ittmann, Dov Kadmon, Brian Miles, David Rowley, Gustavo Ayala
BACKGROUND: Semaphorin 4F (S4F) has roles in embryologic axon guidance and is expressed in adults. S4F is involved in cancer-induced neurogenesis. METHODS: Prostate cells were transfected with S4F retrovirus. Cells and controls were used for a bromodeoxyuridine (BrdUrd) incorporation assay (proliferation) and in vitro scratch and Matrigel Transwell chamber invasion assay (migration). Monoclonal antibodies were developed using baculovirus-expressed recombinant GST-S4F and used to immunostain tissue microarrays...
November 15, 2013: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
Y-S Chao, L Brunel, P Faris, P J Veugelers
BACKGROUND: Vitamin D deficiency and insufficiency are prevalent worldwide, but relatively few studies have examined vitamin D status in working populations. AIMS: To assess the prevalence of vitamin D deficiency and insufficiency in Canadian workers and investigate risk factors in this population. METHODS: A cross-sectional study using data from a health programme enrolling workers mostly from Northern Alberta, Canada. As part of the programme, volunteers were invited to complete a lifestyle questionnaire...
October 2013: Occupational Medicine
Xiaoping Xia, Rui Rui, Sheng Quan, Rong Zhong, Li Zou, Jiao Lou, Xuzai Lu, Juntao Ke, Ti Zhang, Yu Zhang, Li Liu, Jie Yan, Xiaoping Miao
BACKGROUND: Researchers have provided evidence that telomere dysfunction play an important role in cancer development. MNS16A is a polymorphic tandem repeats minisatellite of human telomerase (hTERT) gene that influences promoter activity of hTERT and thus implicates to relate with risk of several malignancies. However, results on association between MNS16A and cancer risk remain controversial. We therefore conduct a meta-analysis to derive a more precise estimation of association between MNS16A and cancer risk...
2013: PloS One
Yan-Hui Liu, Xuan Shang, Zhe-Tao Li, Ya-Min Wu, Li-Fen Li, Xiang-Min Xu
Pretibial epidermolysis bullosa (PEB) is an extremely rare subtype of dominant dystrophic epidermolysis bullosa (DDEB) caused by mutation of the COL7A1 gene. More than 730 mutations have been identified in patients with DDEB, but only five mutations have been found to be related to PEB. In this study, a novel heterozygous nucleotide G>T transition at position 6101 in exon 73 of COL7A1 was detected, which resulted in a glycine to valine substitution (G2034V) in the triple-helical domain of type-VII collagen...
July 25, 2013: Gene
Crystal Man Ying Lee, Ruth Colagiuri, Dianna J Magliano, Adrian J Cameron, Jonathan Shaw, Paul Zimmet, Stephen Colagiuri
AIMS: To assess and compare costs associated with diabetes and lesser degrees of glucose intolerance in Australia. METHODS: The Australian Diabetes, Obesity and Lifestyle study collected data on the use of health services and health related expenditure in 2004-2005. Complications data were collected through physical examination and biochemical tests or questionnaire. Data were available on 6101 participants. Age- and sex-adjusted direct healthcare costs, direct non-healthcare costs and government subsidies were estimated according to glucose tolerance status...
March 2013: Diabetes Research and Clinical Practice
Mar Siddiqui, Zc Das, J Bhattacharjee, Mm Rahman, Mm Islam, Ma Haque, Jj Parrish, M Shamsuddin
The successful outcome of an insemination is a combination of both male and female fertility-linked factors. We investigated the first service conception rate of cows at artificial insemination (AI) in the smallholder dairy farms in Bangladesh. Frozen straws were prepared from ejaculates of Bos indicus (n = 7) and Bos indicus × Bos taurus (n = 7) AI bulls. Fertility was determined from 6101 first services in cows that were performed by 18 technicians in four regions between April 2004 and March 2005...
June 2013: Reproduction in Domestic Animals, Zuchthygiene
C Börnhorst, I Huybrechts, W Ahrens, G Eiben, N Michels, V Pala, D Molnár, P Russo, G Barba, S Bel-Serrat, L A Moreno, S Papoutsou, T Veidebaum, H-M Loit, L Lissner, I Pigeot
Dietary assessment is strongly affected by misreporting (both under- and over-reporting), which results in measurement error. Knowledge about misreporting is essential to correctly interpret potentially biased associations between diet and health outcomes. In young children, dietary data mainly rely on proxy respondents but little is known about determinants of misreporting here. The present analysis was conducted within the framework of the multi-centre IDEFICS (Identification and prevention of dietary- and lifestyle-induced health effects in children and infants) study and is based on 6101 children aged 2-9 years with 24 h dietary recall (24-HDR) and complete covariate information...
April 14, 2013: British Journal of Nutrition
F Du, H L Feng, H Nie, P Tu, Q L Zhang, M Hu, Y Q Zhou, J L Zhao
Toxoplasma gondii of warm-blooded animals and humans is an important pathogenic agent throughout the world. Soil is increasingly recognized as an important source in the transmission of Toxoplasma. To attain the contamination status of T. gondii in the soil of public parks, a total of 252 soil samples were collected from September 2009 to August 2010 at different sites located in 6 public parks of Wuhan, Hubei, China and detected by PCR and loop-mediated isothermal amplification (LAMP). The detection limit of PCR/B1, PCR/529 and LAMP was determined to be 50, 5, and 5 tachyzoites in soil, respectively...
March 23, 2012: Veterinary Parasitology
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