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https://www.readbyqxmd.com/read/29475038/astaxanthin-protects-against-kainic-acid-induced-seizures-and-pathological-consequences
#1
Yi Chang, Cheng Wei Lu, Yi Jing Chen, Tzu Yu Lin, Shu Kuei Huang, Su Jane Wang
Excitotoxic damage caused by increased glutamate levels is involved in the pathogenesis of neurodegenerative diseases. Astaxanthin, a natural carotenoid with multiple health benefits, inhibits glutamate release from the brain tissue; however, whether it possesses the ability to affect glutamate-induced brain injury is unknown. The present study investigated the neuroprotective effects of astaxanthin on kainic acid (KA)-induced excitotoxicity in rats and the possible underlying intracellular signaling pathway...
February 20, 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29474938/differential-family-experience-of-palliative-sedation-therapy-in-specialised-palliative-or-critical-care-units
#2
Hui-Shan Shen, Szu-Yin Chen, Denise Shuk Ting Cheung, Shu-Yi Wang, Lee Jung Jae, Chia-Chin Lin
CONTEXT: No study has examined the varying family experience of palliative sedation therapy (PST) for terminally ill patients in different settings. OBJECTIVES: To examine and compare family concerns about PST use and its effect on the grief suffered by terminally ill patients' families in palliative care units (PCU) or intensive care units (ICU). METHODS: A total of 154 family members of such patients were recruited in Taiwan, of whom 143 completed the study, with 81 from the PCU and 62 from the ICU...
February 20, 2018: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/29474393/poverty-concentration-in-an-affluent-city-geographic-variation-and-correlates-of-neighborhood-poverty-rates-in-hong-kong
#3
Yingqi Guo, Shu-Sen Chang, Feng Sha, Paul S F Yip
Previous investigations of geographic concentration of urban poverty indicate the contribution of a variety of factors, such as economic restructuring and class-based segregation, racial segregation, demographic structure, and public policy. However, the models used by most past research do not consider the possibility that poverty concentration may take different forms in different locations across a city, and most studies have been conducted in Western settings. We investigated the spatial patterning of neighborhood poverty and its correlates in Hong Kong, which is amongst cities with the highest GDP in the region, using the city-wide ordinary least square (OLS) regression model and the local-specific geographically weighted regression (GWR) model...
2018: PloS One
https://www.readbyqxmd.com/read/29474184/a-review-of-studies-of-quality-of-life-for-chinese-speaking-patients-with-ischemic-heart-disease
#4
REVIEW
Luan Luan, Hao Hu, Shu-Chuen Li
OBJECTIVES: To review published studies of the use of health-related quality-of-life (HRQOL) instruments in patients with ischemic heart disease (IHD) in Chinese-speaking countries/regions, namely, mainland China, Hong Kong, Taiwan, and Singapore. METHODS: Overlapping searching strategy was used for searching three electronic databases-Cochrane Library, MEDLINE, and Embase-from January 1, 1990, to September 30, 2015. After culling, the identified publications were analyzed according to the publication date, the location where the study was conducted, the disease being studied, and the nature of the study (i...
October 18, 2017: Value in Health Regional Issues
https://www.readbyqxmd.com/read/29474069/discovery-of-a-new-four-leaf-clover-like-ligand-as-a-potent-c-myc-transcription-inhibitor-specifically-targeting-the-promoter-g-quadruplex
#5
Ming-Hao Hu, Yu-Qing Wang, Ze-Yi Yu, Lu-Ni Hu, Tian-Miao Ou, Shuo-Bin Chen, Zhi-Shu Huang, Jia-Heng Tan
Downregulating transcription of the oncogene c-MYC is a feasible strategy for cancer therapy. Stabilization of the G-quadruplex structure present in the c-MYC promoter can suppress c-MYC transcription. Thus far, several ligands targeting this structure have been developed. However, most have shown no selectivity for the c-MYC G-quadruplex over other G-quadruplexes, leading to uncertain side effects. In this study, through structural modification of aryl-substituted imidazole/carbazole conjugates, a brand-new, four-leaf clover-like ligand called IZCZ-3 was found to preferentially bind and stabilize the c-MYC G-quadruplex...
February 23, 2018: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29474008/an-inverse-u-shaped-curve-of-resting-state-networks-in-individuals-at-high-risk-of-alzheimer-s-disease
#6
Qing Ye, Haifeng Chen, Fan Su, Hao Shu, Liang Gong, Chunming Xie, Hong Zhou, Feng Bai
OBJECTIVE: Higher functional connectivity (FC) in resting-state networks has been shown in individuals at risk of Alzheimer's disease (AD) by many studies. However, the longitudinal trajectories of the FC remain unknown. The present 35-month follow-up study aimed to explore longitudinal changes in higher FC in multiple resting-state networks in subjects with the apolipoprotein E ε4 allele (ApoE4) and/or amnestic mild cognitive impairment (aMCI). METHODS: Fifty-one subjects with aMCI and 64 cognitively normal (CN) subjects underwent neuropsychological tests and resting-state functional magnetic resonance imaging (fMRI) scans twice from April 2011 to June 2015...
February 20, 2018: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/29473874/natural-alkaloids-and-heterocycles-as-g-quadruplex-ligands-and-potential-anticancer-agents
#7
REVIEW
Tong Che, Yu-Qing Wang, Zhou-Li Huang, Jia-Heng Tan, Zhi-Shu Huang, Shuo-Bin Chen
G-quadruplexes are four-stranded nucleic acid secondary structures that are formed in guanine-rich sequences. G-quadruplexes are widely distributed in functional regions of the human genome and transcriptome, such as human telomeres, oncogene promoter regions, replication initiation sites, and untranslated regions. Many G-quadruplex-forming sequences are found to be associated with cancer, and thus, these non-canonical nucleic acid structures are considered to be attractive molecular targets for cancer therapeutics with novel mechanisms of action...
February 23, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29473350/optical-coherence-tomography-for-the-diagnosis-of-malignant-skin-tumors-a-meta-analysis
#8
Yi-Quan Xiong, Yun Mo, Yu-Qi Wen, Ming-Ji Cheng, Shu-Ting Huo, Xue-Jiao Chen, Qing Chen
Optical coherence tomography (OCT) is an emergent imaging tool used for noninvasive diagnosis of skin diseases. The present meta-analysis was carried out to assess the accuracy of OCT for the diagnosis of skin cancer. We conducted a systematic literature search though EMBASE, Medline, PubMed, the Cochrane Library, and Web of Science database for relevant articles published up to June 6, 2017. The quality of the included studies was assessed using the QUADAS-2 tool and the Oxford Levels of Evidence Scale. Statistical analyses were conducted using the software Meta-Disc version 1...
February 2018: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29473233/highly-augmented-drug-loading-and-stability-of-micellar-nanocomplexes-composed-of-doxorubicin-and-poly-ethylene-glycol-green-tea-catechin-conjugate-for-cancer-therapy
#9
Kun Liang, Joo Eun Chung, Shu Jun Gao, Nunnarpas Yongvongsoontorn, Motoichi Kurisawa
Low drug loading and instability in blood circulation are two key challenges that impede the successful clinical translation of nanomedicine, as they result in only marginal therapeutic efficacy and toxic side effects associated with premature drug leakage, respectively. Herein, highly stable and ultrahigh drug loading micellar nanocomplexes (MNCs) based on the self-assembly of the anticancer drug doxorubicin (DOX) and a poly(ethylene glycol)-epigallocatechin-3-O-gallate (EGCG) conjugate are developed. The formation of these MNCs is facilitated by strong favorable intermolecular interactions between the structurally similar aromatic EGCG and DOX molecules, which impart exceptionally high drug-loading capability of up to 88% and excellent thermodynamic and kinetic stability...
February 23, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29472621/temporal-trends-of-phthalate-exposures-during-2007-2010-in-swedish-pregnant-women
#10
Huan Shu, Bo Ag Jönsson, Chris Gennings, Åke Svensson, Eewa Nånberg, Christian H Lindh, Malin Knutz, Tim K Takaro, Carl-Gustaf Bornehag
BACKGROUND: The general population is exposed to phthalates, a group of chemicals with strong evidence for endocrine disrupting properties, commonly used in a large number of consumer products. Based on published research and evidence compiled by environmental agencies, certain phthalate applications and products have become restricted, leading to an increasing number of "new generation compounds" coming onto the market during recent years replacing older phthalates. Some examples of such newer compounds are di-iso-nonyl phthalate (DiNP), di-iso-decyl phthalate (DiDP), and most recently di-isononyl-cyclohexane-1,2-dicarboxylate (DiNCH)...
February 22, 2018: Journal of Exposure Science & Environmental Epidemiology
https://www.readbyqxmd.com/read/29472247/time-varying-effects-of-prognostic-factors-associated-with-long-term-survival-in-breast-cancer
#11
Minlu Zhang, Peng Peng, Kai Gu, Hui Cai, Guoyou Qin, Xiao-Ou Shu, Pingping Bao
The impact of some prognostic factors on breast cancer survival has been shown to vary with time since diagnosis. However, this phenomenon has not been evaluated in Asians. In the present study, 4886 patients were recruited from the Shanghai Breast Cancer Survival Study, a longitudinal study of patients diagnosed during 2002-2006, with a median follow-up time of 11.2 years. Cox model incorporating time-by-covariate interactions was used to describe the time-varying effects of prognostic factors related to overall survival and disease-free survival...
February 22, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29472232/genome-wide-association-and-functional-studies-identify-scml4-and-thsd7a-as-novel-susceptibility-genes-for-coronary-artery-disease
#12
Yang Li, Dao Wen Wang, Yundai Chen, Can Chen, Jian Guo, Shu Zhang, Zhijun Sun, Hu Ding, Yan Yao, Lei Zhou, Ke Xu, Chun Song, Fan Yang, Bin Zhao, Han Yan, Wen-Jing Wang, Chong Wu, Xiangfeng Lu, Xueli Yang, Jie Dong, Guyan Zheng, Shuhan Tian, Yanjun Cui, Lijuan Jin, Gangqiong Liu, Hanbin Cui, Shenghuang Wang, Feng Jiang, Changhua Wang, Jeanette Erdmann, Linyao Zeng, Shian Huang, Jianfeng Zhong, Yuehua Ma, Wenjiang Chen, Jianli Sun, Wei Lei, Shenghan Chen, Shaoqi Rao, Dongfeng Gu, Heribert Schunkert, Xiao-Li Tian
OBJECTIVE: The genetic contribution to coronary artery disease (CAD) remains largely unclear. We combined genetic screening with functional characterizations to identify novel loci and candidate genes for CAD. APPROACH AND RESULTS: We performed genome-wide screening followed by multicenter validation in 8 cohorts consisting of 21 828 participants of Han ethnicity and identified 3 novel intragenic SNPs, rs9486729 ( SCML4 ; odds ratio, 1.25; 95% CI, 1.17-1.34; P =3...
February 22, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29471288/clinically-aggressive-phenotype-a-clinicopathological-case-series-of-atypical-pituitary-adenomas
#13
Liang Lv, Yu Hu, Senlin Yin, Mengmeng Wang, Peizhi Zhou, Nannan Zhang, Weichao Ma, Shizhen Zhang, Shu Jiang
OBJECTIVE: Atypical pituitary adenomas were relatively more malignant lesions defined by WHO criteria. However, not all of them show clinically aggressive behavior. Thus, the current WHO criteria of atypical adenoma didn't seem to be enough to distinguish clinically aggressive adenoma. Therefore, we would like to identify other clinical factors in a cohort of atypical pituitary adenomas to a better identification of clinical aggressiveness. PATIENTS AND METHODS: In order to verify predictors of clinically aggressive phenotype among atypical pituitary adenomas, we retrospectively analyzed the clinical characteristics and therapeutic outcomes of consecutive 49 cases...
February 5, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29471224/quantification-of-desoxyrhapontigenin-4-methoxyresveratrol-in-rat-plasma-by-lc-ms-ms-application-to-pre-clinical-pharmacokinetic-study
#14
Yu Dai, Amanda Li Cheng Tan, Huan Chen, Pei Shi Ong, Xiaoqiang Xiang, Jinzhu Wu, Hai-Shu Lin
Desoxyrhapontigenin (DRG, 4-methoxyresveratrol or trans-3,5-dihydroxy-4'-methoxystilbene) is a naturally occurring resveratrol (RES) derivative with a variety of biological activities. To facilitate its further medicinal exploration, a reliable LC-MS/MS method was developed and validated for the quantification of DRG in rat plasma using heavy isotope labelled RES as an internal standard. The ESI was operated in its negative ion mode while DRG and RES were determined by multiple reaction monitoring (MRM) using precursor-to-product ion transitions of m/z 241...
February 13, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29471192/the-effect-of-magnolol-on-ca-2-homeostasis-and-its-related-physiology-in-human-oral-cancer-cells
#15
Shu-Feng Hsieh, Chiang-Ting Chou, Wei-Zhe Liang, Chun-Chi Kuo, Jue-Long Wang, Lyh-Jyh Hao, Chung-Ren Jan
OBJECTIVE: Magnolol, a polyphenol compound from herbal medicines, was shown to alter physiology in various cell models. However, the effect of magnolol on Ca2+ homeostasis and its related physiology in oral cancer cells is unclear. This study examined whether magnolol altered Ca2+ signaling and cell viability in OC2 human oral cancer cells. METHODS: Cytosolic Ca2+ concentrations ([Ca2+ ]i ) in suspended cells were measured by using the fluorescent Ca2+ -sensitive dye fura-2...
February 14, 2018: Archives of Oral Biology
https://www.readbyqxmd.com/read/29470990/lis1-dysfunction-leads-to-traction-force-reduction-and-cytoskeletal-disorganization-during-cell-migration
#16
Guo-Wei Jheng, Sung Sik Hur, Chia-Ming Chang, Chun-Chieh Wu, Jia-Shing Cheng, Hsiao-Hui Lee, Bon-Chu Chung, Yang-Kao Wang, Keng-Hui Lin, Juan C Del Álamo, Shu Chien, Jin-Wu Tsai
Cell migration is a critical process during development, tissue repair, and cancer metastasis. It requires complex processes of cell adhesion, cytoskeletal dynamics, and force generation. Lis1 plays an important role in the migration of neurons, fibroblasts and other cell types, and is essential for normal development of the cerebral cortex. Mutations in human LIS1 gene cause classical lissencephaly (smooth brain), resulting from defects in neuronal migration. However, how Lis1 may affect force generation in migrating cells is still not fully understood...
February 19, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29470958/amentoflavone-is-a-potent-broad-spectrum-inhibitor-of-human-udp-glucuronosyltransferases
#17
Xia Lv, Jian-Bin Zhang, Xin-Xin Wang, Wen-Zhong Hu, Yu-Sheng Shi, Shu-Wen Liu, Da-Cheng Hao, Wei-Dong Zhang, Guang-Bo Ge, Jie Hou, Ling Yang
Amentoflavone (AMF), an abundant natural biflavonoid found in many medicinal plants, displays various beneficial effects including anti-inflammatory, anti-oxidative and anti-cancer. Despite the extensive studies on pharmacological activities, the toxicity or undesirable effects of AMF are rarely reported. In this study, the inhibitory effects of AMF on human UDP-glucuronosyltransferases (UGTs) were carefully investigated. AMF displayed strong inhibition towards most of human UGTs including UGT1A1, 1A3, 1A4, 1A6, 1A7, 1A8, 1A9, 1A10, 2B4 and 2B17, with the IC50 values ranging from 0...
February 19, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29470640/quantitative-susceptibility-mapping-in-combination-with-water-fat-separation-for-simultaneous-liver-iron-and-fat-fraction-quantification
#18
Huimin Lin, Hongjiang Wei, Naying He, Caixia Fu, Shu Cheng, Jun Shen, Baisong Wang, Xu Yan, Chunlei Liu, Fuhua Yan
PURPOSES: To evaluate the feasibility of simultaneous quantification of liver iron concentration (LIC) and fat fraction (FF) using water-fat separation and quantitative susceptibility mapping (QSM). METHODS: Forty-five patients suspected of liver iron overload (LIO) were included. A volumetric interpolated breath-hold examination sequence for QSM and FF, a fat-saturated gradient echo sequence for R2 * , a spin echo sequence for LIC measurements and MRS analyses for FF (FF-MRS) were performed...
February 22, 2018: European Radiology
https://www.readbyqxmd.com/read/29469980/discovery-of-thiophene-containing-biaryl-amide-derivatives-as-novel-glucagon-receptor-antagonists
#19
Jia Li, Yang Feng, Huihui Li, Shuangjie Shu, Antao Dai, Xiaoqing Cai, Jiang Wang, Dehua Yang, Dakota Ma, Mingwei Wang, Hong Liu
A novel series of thiophene-containing biaryl amide glucagon receptor (GCGR) antagonists were designed and synthesized. Two compounds of this series, 14f and 14h, exhibited good GCGR binding (IC50 = 6.1 μM and 4.4 μM, respectively) and cAMP functional activities (IC50 = 4.4 μM and 14.4 μM, respectively). The possible binding modes of compounds 14f and 14h with GCGR were explored by molecular simulation. This article is protected by copyright. All rights reserved.
February 22, 2018: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29469525/-comparison-of-three-different-methods-for-isolating-rna-from-oncomelania-hupensis
#20
Xu Shu-Jun, Wang Kang, Zhang Min-Hong, Chen Wen-Jie, Guan Guo-Yu, Liu Man-Man, Xu Lei, Sun En-Tao
OBJECTIVE: To compare the effects of three kinds of Oncomelania hupensis RNA extraction methods, namely a modified SDS method, TRIzol reagent method, and CTAB method, so as to obtain an economical and efficient method for RNA extraction from O. hupensis . METHODS: The modified SDS method, TRIzol reagent method and CTAB method were applied to extract the RNA from O. hupensis . A nucleic acid protein analyzer was used to measure the concentration and purity of RNA...
May 22, 2017: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
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