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https://www.readbyqxmd.com/read/28103014/reactive-oxygen-species-and-glutathione-dual-redox-responsive-supramolecular-assemblies-with-controllable-release-capability
#1
Yang Kang, Xin Ju, Li-Sheng Ding, Sheng Zhang, Bang-Jing Li
A dual redox and bio-relevant triggered supramolecular system is developed through the non-covalent host-guest interactions between the ferrocene (Fc) on camptothecin (CPT) and β-cyclodextrin (β-CD) at the end of methoxy polyethylene glycol (mPEG). The two segments can form a stable non-covalent supramolecular block copolymer mPEG-β-CD/Fc-CPT, which could further self-assemble into stable micelles in aqueous solution. Interestingly, these supramolecular micelles showed uniform sphere structure, high and constant drug loading content, hyper-fast redox-responsive drug release, and exhibited equal cellular proliferation inhibition toward A549 cancer cells, while the cytotoxicity evaluation of mPEG-β-CD indicated good biocompatibility...
January 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28099842/brown-adipogenic-reprogramming-induced-by-a-small-molecule
#2
Baoming Nie, Tao Nie, Xiaoyan Hui, Ping Gu, Liufeng Mao, Kuai Li, Ran Yuan, Jiashun Zheng, Haixia Wang, Ke Li, Shibing Tang, Yu Zhang, Tao Xu, Aimin Xu, Donghai Wu, Sheng Ding
Brown adipose tissue (BAT) has attracted considerable research interest because of its therapeutic potential to treat obesity and associated metabolic diseases. Augmentation of brown fat mass and/or its function may represent an attractive strategy to enhance energy expenditure. Using high-throughput phenotypic screening to induce brown adipocyte reprogramming in committed myoblasts, we identified a retinoid X receptor (RXR) agonist, bexarotene (Bex), that efficiently converted myoblasts into brown adipocyte-like cells...
January 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/28097785/down-regulation-of-bnda1-whose-gene-locus-is-associated-with-the-seeds-weight-improves-the-seeds-weight-and-organ-size-in-brassica-napus
#3
Jie-Li Wang, Min-Qiang Tang, Sheng Chen, Xiang-Feng Zheng, Hui-Xian Mo, Sheng-Jun Li, Zheng Wang, Ke-Ming Zhu, Li-Na Ding, Sheng-Yi Liu, Yun-Hai Li, Xiao-Li Tan
Brassica napus L. is an important oil crop worldwide, and is the main raw material for biofuel. Seed weight and seed size are the main contributors to seed yield. DA1 (DA means big in Chinese) is an ubiquitin receptor and negatively regulates seed size. Down-regulation of AtDA1 in Arabidopsis leads to larger seeds and organs by increasing cell proliferation in integuments. In this study, BnDA1was down-regulated in B. napus by over expressed of AtDA1(R358K) , which is a functional deficiency of DA1 with an arginine-to-lysine mutation at the 358(th) amino acid...
January 17, 2017: Plant Biotechnology Journal
https://www.readbyqxmd.com/read/28097040/effects-of-inhalable-microparticles-of-seonpyejeongcheon-tang-in-an-asthma-mouse-model-effects-of-microparticles-of-sjt
#4
Won-Kyung Yang, Chul-Hwa Lee, Min-Hee Kim, Seung-Hyeong Kim, Hae-Yoon Choi, Yoon Yeo, Yang-Chun Park
OBJECTIVES: Allergic asthma generally presents with symptoms of wheezing, coughing, breathlessness, and airway inflammation. Seonpyejeongcheon-tang (SJT) consists of 12 herbs. It originated from Jeongcheon-tang (JT), also known as Ding-chuan-tang, composed of 7 herbs, in She-sheng-zhong-miao-fang. This study aimed to evaluate the effects of local delivery of SJT via inhalable microparticles in an asthma mouse model. METHODS: Microparticles containing SJT were produced by spray-drying with leucine as an excipient...
December 2016: Journal of Pharmacopuncture
https://www.readbyqxmd.com/read/28094771/orphan-gpr182-suppresses-erk-mediated-intestinal-proliferation-during-regeneration-and-adenoma-formation
#5
Daniel O Kechele, R Eric Blue, Bailey Zwarycz, Scott T Espenschied, Amanda T Mah, Marni B Siegel, Charles M Perou, Shengli Ding, Scott T Magness, P Kay Lund, Kathleen M Caron
Orphan GPCRs provide an opportunity to identify potential pharmacological targets, yet their expression patterns and physiological functions remain challenging to elucidate. Here, we have used a genetically engineered knockin reporter mouse to map the expression pattern of the Gpr182 during development and adulthood. We observed that Gpr182 is expressed at the crypt base throughout the small intestine, where it is enriched in crypt base columnar stem cells, one of the most active stem cell populations in the body...
January 17, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28091418/radial-probe-endobronchial-ultrasound-guided-lung-biopsy-for-histopathological-diagnosis-of-cryptogenic-organizing-pneumonia
#6
Miao Ma, Yan Li, Hou-Rong Cai, Jing-Jing Ding, Yong-Sheng Wang, Yu-Juan Gao, Jing-Hong Dai, Qi Zhao, Yong-Long Xiao, Fan-Qing Meng, Xiang-Shan Fan, Li-Yun Miao
No abstract text is available yet for this article.
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28079406/predictive-factors-of-depression-symptoms-among-adolescents-in-the-18-month-follow-up-after-wenchuan-earthquake-in-china
#7
Cheryl H K Chui, Mao-Sheng Ran, Rong-Hui Li, Mei Fan, Zhen Zhang, Yuan-Hao Li, Guo Jing Ou, Zhe Jiang, Yu-Zhen Tong, Ding-Zhi Fang
BACKGROUND: It is unclear about the change and risk factors of depression among adolescent survivors after earthquake. AIMS: This study aimed to explore the change of depression, and identify the predictive factors of depression among adolescent survivors after the 2008 Wenchuan earthquake in China. METHODS: The depression among high school students at 6, 12 and 18 months after the Wenchuan earthquake were investigated. The Beck Depression Inventory (BDI) was used in this study to assess the severity of depression...
January 12, 2017: Journal of Mental Health
https://www.readbyqxmd.com/read/28075452/a-novel-pathway-in-nsclc-cells-mir%C3%A2-191-targeting-nfia-is-induced-by-chronic-hypoxia-and-promotes-cell-proliferation-and-migration
#8
Jia Zhao, Cheng-Rui Qiao, Zheng Ding, Yin-Liang Sheng, Xiang-Nan Li, Yang Yang, Deng-Yan Zhu, Chun-Yang Zhang, Dong-Lei Liu, Kai Wu, Song Zhao
MicroRNAs (miRs) have emerged as being important in cancer biology. miR‑191 is a conserved miRNA, which has been investigated in detail and is reported to be induced by hypoxia-inducible factor (HIF)‑1α and has an contributory action in the progression of breast, hepatic and pancreatic cancer. However, the effects of miR‑191 in the progression of lung cancer are a subject of debate. In the present study, it was found that the expression of miR-191 was significantly upregulated in non‑small cell lung cancer (NSCLC) cells in patients in vivo...
January 4, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28074940/alpha7-nicotinic-acetylcholine-receptor-is-required-for-amyloid-pathology-in-brain-endothelial-cells-induced-by-glycoprotein-120-methamphetamine-and-nicotine
#9
Liqun Liu, Jingyi Yu, Li Li, Bao Zhang, Lingjuan Liu, Chun-Hua Wu, Ambrose Jong, Ding-An Mao, Sheng-He Huang
One of the most challenging issues in HIV-associated neurocognitive disorders (HAND) caused by HIV-1 virotoxins and drug abuse is the lack of understanding the underlying mechanisms that are commonly associated with disorders of the blood-brain barrier (BBB), which mainly consists of brain microvascular endothelial cells (BMEC). Here, we hypothesized that Glycoprotein 120 (gp120), methamphetamine (METH) and nicotine (NT) can enhance amyloid-beta (Aβ) accumulation in BMEC through Alpha7 nicotinic acetylcholine receptor (α7 nAChR)...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28074901/live-visualization-of-genomic-loci-with-bifc-tale
#10
Huan Hu, Hongmin Zhang, Sheng Wang, Miao Ding, Hui An, Yingping Hou, Xiaojing Yang, Wensheng Wei, Yujie Sun, Chao Tang
Tracking the dynamics of genomic loci is important for understanding the mechanisms of fundamental intracellular processes. However, fluorescent labeling and imaging of such loci in live cells have been challenging. One of the major reasons is the low signal-to-background ratio (SBR) of images mainly caused by the background fluorescence from diffuse full-length fluorescent proteins (FPs) in the living nucleus, hampering the application of live cell genomic labeling methods. Here, combining bimolecular fluorescence complementation (BiFC) and transcription activator-like effector (TALE) technologies, we developed a novel method for labeling genomic loci (BiFC-TALE), which largely reduces the background fluorescence level...
January 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28071764/aligned-copper-nanorod-arrays-for-highly-efficient-generation-of-intense-ultra-broadband-thz-pulses
#11
S Mondal, Q Wei, W J Ding, H A Hafez, M A Fareed, A Laramée, X Ropagnol, G Zhang, S Sun, Z M Sheng, J Zhang, T Ozaki
We demonstrate an intense broadband terahertz (THz) source based on the interaction of relativistic-intensity femtosecond lasers with aligned copper nanorod array targets. For copper nanorod targets with a length of 5 μm, a maximum 13.8 times enhancement in the THz pulse energy (in ≤20 THz spectral range) is measured as compared to that with a thick plane copper target under the same laser conditions. A further increase in the nanorod length leads to a decrease in the THz pulse energy at medium frequencies (≤20 THz) and increase of the electromagnetic pulse energy in the high-frequency range (from 20-200 THz)...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28056939/evaluation-of-anti-inflammatory-activity-of-compounds-isolated-from-the-rhizome-of-ophiopogon-japonicas
#12
Jing-Wen Zhao, Ding-Sheng Chen, Chang-Sheng Deng, Qi Wang, Wei Zhu, Li Lin
BACKGROUND: Ophiopogon japonicas (L.f) Ker-Gawl has been used as a traditional Chinese medicine to cure acute and chronic inflammation and cardiovascular diseases including thrombotic diseases for thousands of years. Previous phytochemical studies showed that O. japonicus contained compounds with anti-inflammatory activity. The aim of this study was to identify and isolate compounds with anti-inflammatory activity from the rhizome of O. japonicas. METHODS: Compounds were isolated by various column chromatography and their structures were identified in terms of nuclear magnetic resonance spectrum (NMR) and mass spectrum (MS)...
January 5, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28056874/sorafenib-versus-sunitinib-as-first-line-treatment-agents-in-chinese-patients-with-metastatic-renal-cell-carcinoma-the-largest-multicenter-retrospective-analysis-of-survival-and-prognostic-factors
#13
Hai-Liang Zhang, Xi-Nan Sheng, Xue-Song Li, Hong-Kai Wang, Zhi-Hong Chi, Zhi-Song He, Ding-Wei Ye, Jun Guo
BACKGROUND: To compare the efficacy of sorafenib and sunitinib with regard to overall survival (OS) and progression free survival (PFS) in Chinese patients with metastatic renal cell carcinoma (mRCC). METHODS: A multicenter, retrospective study was performed to elucidate the relationship between clinical variables and prognosis comparing sorafenib and sunitinib as first-line treatment agents in Chinese patients with mRCC. Between September 2006 and December 2014, 845 patients received either sorafenib (400 mg bid; n = 483) or sunitinib (50 mg q...
January 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28056223/arthrobacter-halophytocola-sp-nov-a-novel-endophytic-actinomycete-isolated-from-the-roots-of-a-coastal-halophyte-limonium-sinense
#14
Wei-Wei Feng, Tian-Tian Wang, Juan-Luan Bai, Peng Ding, Ke Xing, Ji-Hong Jiang, Xue Peng, Sheng Qin
A novel actinobacterium designated KLBMP 5180T, was isolated from the surface-sterilized root of a coastal halophyte Limonium sinense collected from the city of Lianyungang, Jiangsu Province, east of China. The isolate was Gram-stain-positive, aerobic and non-motile. The components of cell-wall peptidoglycan were lysine, glutamic acid and alanine. The predominant menaquinone was MK-9 (70%). The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylinositol and one unknown phospholipid...
January 5, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28054587/method-for-removing-spectral-contaminants-to-improve-analysis-of-raman-imaging-data
#15
Xun Zhang, Sheng Chen, Zhe Ling, Xia Zhou, Da-Yong Ding, Yoon Soo Kim, Feng Xu
The spectral contaminants are inevitable during micro-Raman measurements. A key challenge is how to remove them from the original imaging data, since they can distort further results of data analysis. Here, we propose a method named "automatic pre-processing method for Raman imaging data set (APRI)", which includes the adaptive iteratively reweighted penalized least-squares (airPLS) algorithm and the principal component analysis (PCA). It eliminates the baseline drifts and cosmic spikes by using the spectral features themselves...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28053090/functional-transcriptomics-in-diverse-intestinal-epithelial-cell-types-reveals-robust-microrna-sensitivity-in-intestinal-stem-cells-to-microbial-status
#16
Bailey C E Peck, Amanda T Mah, Wendy A Pitman, Shengli Ding, P Kay Lund, Praveen Sethupathy
Gut microbiota play an important role in regulating the development of the host immune system, metabolic rate, and at times, disease pathogenesis. The factors and mechanisms that mediate interactions between microbiota and the intestinal epithelium are not fully understood. We provide novel evidence that microbiota may control intestinal epithelial stem cell (IESC) proliferation in part through microRNAs (miRNAs). We demonstrate that miRNA profiles differ dramatically across functionally distinct cell types of the mouse jejunal intestinal epithelium and that miRNAs respond to microbiota in a highly cell-type specific manner...
January 4, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28047302/su-f-t-186-a-treatment-planning-study-of-normal-tissue-sparing-with-robustness-optimized-impt-4pi-imrt-and-vmat-for-head-and-neck-cases
#17
J Zhang, D Nguyen, K Woods, A Tran, X Li, X Ding, P Kabolizadeh, T Guerrero, K Sheng
PURPOSE: We performed a retrospective dosimetric comparison study between the robustness optimized Intensity Modulated Proton Therapy (RO-IMPT), volumetric-modulated arc therapy (VMAT), and the non-coplanar 4? intensity modulated radiation therapy (IMRT). These methods represent the most advanced radiation treatment methods clinically available. We compare their dosimetric performance for head and neck cancer treatments with special focus on the OAR sparing near the tumor volumes. METHODS: A total of 11 head and neck cases, which include 10 recurrent cases and one bilateral case, were selected for the study...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28044431/abnormal-resting-state-neural-activity-and-connectivity-of-fatigue-in-parkinson-s-disease
#18
Jie-Jin Zhang, Jian Ding, Jun-Yi Li, Min Wang, Yong-Sheng Yuan, Li Zhang, Si-Ming Jiang, Xi-Xi Wang, Lin Zhu, Ke-Zhong Zhang
AIMS: Fatigue is a common burdensome problem in patients with Parkinson's disease (PD), but its pathophysiological mechanisms are poorly understood. This study aimed at investigating the neural substrates of fatigue in patients with PD. METHODS: A total of 17 PD patients with fatigue, 32 PD patients without fatigue, and 25 matched healthy controls were recruited. The 9-item fatigue severity scale (FSS) was used for fatigue screening and severity rating. Resting-state functional magnetic resonance imaging (RS-fMRI) data were obtained from all subjects...
January 3, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28039772/synthesis-crystal-structures-and-antitumor-activity-of-two-platinum-ii-complexes-with-methyl-hydrazinecarbodithioate-derivatives-of-indolin-2-one
#19
You-Shan Li, Bin Peng, Li Ma, Sheng-Li Cao, Lu-Lu Bai, Chao-Rui Yang, Chong-Qing Wan, Hao-Jie Yan, Pan-Pan Ding, Zhong-Feng Li, Ji Liao, Ying-Ying Meng, Hai-Long Wang, Jing Li, Xingzhi Xu
Two new platinum(II) complexes 7a and 7b with methyl hydrazinecarbodithioate derivatives of indolin-2-one have been prepared and characterized by single-crystal X-ray diffraction, NMR spectroscopy and mass spectrometry. Antiproliferative activity of the two complexes and their ligands 6a and 6b against HCT-116, MCF-7 and MDA-MB-231 cell lines was determined by the MTS assay. Complexes 7a and 7b exhibited stronger antiproliferative activity against three cell lines than compounds 6a and 6b (IC50, 1.89-5.60 versus 6...
December 26, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28008935/corrigendum-uplc-pda-qtofms-guided-isolation-of-prenylated-xanthones-and-benzoylphloroglucinols-from-the-leaves-of-garcinia-oblongifolia-and-their-migration-inhibitory-activity
#20
Hong Zhang, Dan Zheng, Zhi-Jie Ding, Yuan-Zhi Lao, Hong-Sheng Tan, Hong-Xi Xu
No abstract text is available yet for this article.
December 23, 2016: Scientific Reports
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