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https://www.readbyqxmd.com/read/28646773/survival-outcomes-of-patients-with-lobular-carcinoma-in-situ-who-underwent-bilateral-mastectomy-or-partial-mastectomy
#1
Ze-Ming Xie, Jian Sun, Zhe-Yu Hu, Yao-Pan Wu, Peng Liu, Jun Tang, Xiang-Sheng Xiao, Wei-Dong Wei, Xi Wang, Xiao-Ming Xie, Ming-Tian Yang
AIM: To compare the survival outcomes between patients treated with bilateral mastectomy and partial mastectomy alone as the initial surgical management for primary lobular carcinoma in situ (LCIS). PATIENTS AND METHODS: Patients with histologically confirmed LCIS underwent partial mastectomy alone or bilateral mastectomy were identified by the SEER*Stat database (version 8.3.2) released in 2016. The primary outcome measure was all-cause mortality and the secondary outcome measure was breast cancer-specific mortality...
June 21, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28646753/mechanical-properties-and-molecular-structure-analysis-of-subsurface-dentin-after-er-yag-laser-irradiation
#2
Zhengdi He, Lingling Chen, Xuejuan Hu, Yasushi Shimada, Masayuki Otsuki, Junji Tagami, Shuangchen Ruan
The purpose of this study was to evaluate the chemical and mechanical modifications in subsurface dentin layer after Er: YAG (Erbium-Yttrium Aluminium Garnet) laser irradiation, as the guidance of new dental restorative materials specific for laser irradiated dentin. MATERIALS AND METHODS: Dentin disks obtained from extracted human molars were prepared and exposed to a single pulse Er:YAG laser irradiation at 80mJ/pulse. After laser irradiation the mechanical and chemical characteristics of intertubular dentin in subsurface layer were studied using nanoindentation tester and micro-Raman spectromy (μ-RS)...
June 3, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28646658/investigation-and-structural-elucidation-of-a-new-impurity-in-bulk-drug-of-cilostazol-by-lc-ms-ms-ft-ir-and-nmr
#3
Zhaoxia Hu, Sanguo Gao, Jue Gao
A new impurity was detected in bulk cilostazol (CIL) crude during routine analysis. The impurity (∼4%, the specification for unknown impurity in crude is not more than 0.20%) has a relative retention time of 1.46. Based on MS, NMR and IR spectral data, the impurity was identified as 6,6'-bis(4-(1-cyclohexyl-1H-tetrazol-5-yl) butoxy)-3,3',4,4'-tetrahydro-[7,7'-biquinoline]-2,2'(1H,1'H)-dione(CIL-dimer). The precursor of CIL-dimer is an oxidative product of starting material 6-Hydroxy-3,4-dyhydro-1H-quinolin-2-one(6-HQ), CIL-dimer was formed in the following reaction with 5-(3-Chloro-propyl)-1-cyclohexyl-1H-tetrazol(CHCBT)...
June 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28646656/azide-alkyne-cycloaddition-towards-1h-1-2-3-triazole-tethered-gatifloxacin-and-isatin-conjugates-design-synthesis-and-in%C3%A2-vitro-anti-mycobacterial-evaluation
#4
Zhi Xu, Xu-Feng Song, Yuan-Qiang Hu, Min Qiang, Zao-Sheng Lv
Twelve novel 1H-1,2,3-triazole-tethered gatifloxacin (GTFX) isatin conjugates 5a-l with greater lipophilicity compared with GTFX were designed, synthesized and evaluated for their in vitro anti-mycobacterial activities against M. tuberculosis (MTB) H37Rv and MDR-TB as well as cytotoxicity. The preliminary results showed that all the targets (MIC: 0.10-8 μg/mL) exhibited excellent inhibitory activity against MTB H37Rv and MDR-TB, but eight of them (CC50: 7.8-62.5 μg/mL) were much more toxic than the parent GTFX (CC50: 125 μg/mL)...
June 9, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28646488/mutation-in-the-fgfr1-tyrosine-kinase-domain-or-inactivation-of-pten-is-associated-with-acquired-resistance-to-fgfr-inhibitors-in-fgfr1-driven-leukemia-lymphomas
#5
John K Cowell, Haiyan Qin, Tianxiang Hu, Qing Wu, Aaron Bhole, Mingqiang Ren
Stem cell leukemia/lymphoma syndrome (SCLL) is driven by constitutive activation of chimeric FGFR1 kinases generated by chromosome translocations. We have shown that FGFR inhibitors significantly suppress leukemia and lymphoma development in vivo, and cell viability in vitro. Since resistance to targeted therapies is a major reason for relapse, we developed FGFR1-overexpressing mouse and human cell lines that are resistant to the specific FGFR inhibitors AZD4547 and BGJ398, as well as non-specific inhibitors, such as ponatinib, TKI258 and E3810...
June 24, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28646348/tau-induced-ca-2-calmodulin-dependent-protein-kinase-iv-activation-aggravates-nuclear-tau-hyperphosphorylation
#6
Yu-Ping Wei, Jin-Wang Ye, Xiong Wang, Li-Ping Zhu, Qing-Hua Hu, Qun Wang, Dan Ke, Qing Tian, Jian-Zhi Wang
Hyperphosphorylated tau is the major protein component of neurofibrillary tangles in the brains of patients with Alzheimer's disease (AD). However, the mechanism underlying tau hyperphosphorylation is not fully understood. Here, we demonstrated that exogenously expressed wild-type human tau40 was detectable in the phosphorylated form at multiple AD-associated sites in cytoplasmic and nuclear fractions from HEK293 cells. Among these sites, tau phosphorylated at Thr205 and Ser214 was almost exclusively found in the nuclear fraction at the conditions used in the present study...
June 23, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28646235/over-expression-of-long-non-coding-rna-panda-promotes-hepatocellular-carcinoma-by-inhibiting-senescence-associated-inflammatory-factor-il8
#7
Chuanhui Peng, Wendi Hu, Xiaoyu Weng, Rongliang Tong, Shaobing Cheng, Chaofeng Ding, Heng Xiao, Zhen Lv, Haiyang Xie, Lin Zhou, Jian Wu, Shusen Zheng
It has been reported that long non-coding RNA PANDA was disregulated in varieties types of tumor, but its expression level and biological role in hepatocellular carcinoma (HCC) remains contradictory. We detected PANDA expression in two independent cohorts (48 HCC patients following liver transplantation and 84 HCC patients following liver resection), and found that PANDA was down-regulated in HCC. Thereafter we explored its function in cancer biology by inversing its low expression. Surprisingly, overexpression of PANDA promoted HCC proliferation and carcinogenesis in vitro and in vivo...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646179/herbal-medicine-yinchenhaotang-protects-against-%C3%AE-naphthylisothiocyanate-induced-cholestasis-in-rats
#8
Jingyu Yan, Guoxiang Xie, Chungeng Liang, Yiyang Hu, Aihua Zhao, Fengjie Huang, Ping Hu, Ping Liu, Wei Jia, Xiaoning Wang
Cholestasis is a clinical disorder defined as an impairment of bile flow, and that leads to toxic bile acid (BA) accumulation in hepatocytes. Here, we investigated the hepatoprotective effect of Yinchenhaotang (YCHT), a well-known formulae for the treatment of jaundice and liver disorders, against the cholestasis using the α-naphthylisothiocyanate (ANIT)-induced cholestasis in male Wistar rats. ANIT feeding induced significant cholestasis with substantially increased intrahepatic retention of hydrophobic BAs...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646171/a-new-type-of-homodiploid-fish-derived-from-the-interspecific-hybridization-of-female-common-carp%C3%A2-%C3%A3-%C3%A2-male-blunt-snout-bream
#9
Shi Wang, Xiaolan Ye, Yude Wang, Yuting Chen, Bowen Lin, Zhenfeng Yi, Zhuangwen Mao, Fangzhou Hu, Rurong Zhao, Juan Wang, Rong Zhou, Li Ren, Zhanzhou Yao, Min Tao, Chun Zhang, Jun Xiao, Qinbo Qin, Shaojun Liu
It is commonly believed that hybridization might lead to the formation of new polyploidy species, but it is unclear whether hybridization can produce a new homodiploid species. Here, we report the spontaneous occurrence of a new crucian carp-like homodiploid fish (2n = 100) that originated from the interspecific hybridization of female common carp (Cyprinus carpio, Cyprininae, 2n = 100) × male blunt snout bream (Megalobrama amblycephala, Cultrinae, 2n = 48). The phenotype and reproductive traits of this new crucian carp-like homodiploid fish were found to be very similar to those of the existing diploid species (diploid crucian carp; Carassius auratus)...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646144/using-fractional-intensities-of-time-resolved-fluorescence-to-sensitively-quantify-nadh-nad-with-genetically-encoded-fluorescent-biosensors
#10
Mengfang Chang, Lei Li, Hanyang Hu, Qingxun Hu, Aoxue Wang, Xiaodan Cao, Xiantong Yu, Sanjun Zhang, Yuzheng Zhao, Jinquan Chen, Yi Yang, Jianhua Xu
In this paper, we propose a novel and sensitive ratiometric analysis method that uses the fractional intensities of time-resolved fluorescence of genetically encoded fluorescent NADH/NAD(+) biosensors, Peredox, SoNar, and Frex. When the conformations of the biosensors change upon NADH/NAD(+) binding, the fractional intensities (α i τ i ) have opposite changing trends. Their ratios could be exploited to quantify NADH/NAD(+) levels with a larger dynamic range and higher resolution versus commonly used fluorescence intensity and lifetime methods...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28645935/liver-cirrhosis-in-patients-with-atrial-fibrillation-would-oral-anticoagulation-have-a-net-clinical-benefit-for-stroke-prevention
#11
Ling Kuo, Tze-Fan Chao, Chia-Jen Liu, Yenn-Jiang Lin, Shih-Lin Chang, Li-Wei Lo, Yu-Feng Hu, Ta-Chuan Tuan, Jo-Nan Liao, Fa-Po Chung, Tzeng-Ji Chen, Gregory Y H Lip, Shih-Ann Chen
BACKGROUND: Patients with liver cirrhosis have been excluded from randomized clinical trials of oral anticoagulation therapy for stroke prevention in atrial fibrillation. We hypothesized that patients with liver cirrhosis would have a positive net clinical benefit for oral anticoagulation when used for stroke prevention in atrial fibrillation. METHODS AND RESULTS: This study used the National Health Insurance Research Database in Taiwan. Among 289 559 atrial fibrillation patients aged ≥20 years, there were 10 336 with liver cirrhosis, and 9056 of them having a CHA2DS2-VASc score ≥2 were divided into 3 groups, that is, no treatment, antiplatelet therapy, and warfarin...
June 23, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28645841/how-do-self-interest-and-other-need-interact-in-the-brain-to-determine-altruistic-behavior
#12
Jie Hu, Yue Li, Yunlu Yin, Philip R Blue, Hongbo Yu, Xiaolin Zhou
Altruistic behavior, i.e., promoting the welfare of others at a cost to oneself, is subserved by the integration of various social, affective, and economic factors represented in extensive brain regions. However, it is unclear how different regions interact to process/integrate information regarding the helper's interest and recipient's need when deciding whether to behave altruistically. Here we combined an interactive game with functional Magnetic Resonance Imaging (fMRI) and transcranial direct current stimulation (tDCS) to characterize the neural network underlying the processing/integration of self-interest and other-need...
June 20, 2017: NeuroImage
https://www.readbyqxmd.com/read/28645652/androgen-inhibits-key-atherosclerotic-processes-by-directly-activating-adtrp-transcription
#13
Chunyan Luo, Elisabeth Pook, Bo Tang, Weiyi Zhang, Sisi Li, Kirsten Leineweber, Shing-Hu Cheung, Qiuyun Chen, Martin Bechem, Jing-Shan Hu, Volker Laux, Qing Kenneth Wang
Low androgen levels are associated with an increased risk of coronary artery disease (CAD), thrombosis and myocardial infarction (MI), suggesting that androgen has a protective role. However, little is known about the underlying molecular mechanism. Our genome-wide association study identified the ADTRP gene encoding the androgen-dependent TFPI regulating protein as a susceptibility gene for CAD and MI. The expression level of ADTRP was regulated by androgen, but the molecular mechanism is unknown. In this study, we identified the molecular mechanism by which androgen regulates ADTRP expression and tested the hypothesis that androgen plays a protective role in cardiovascular disease by activating ADTRP expression...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28645648/promotion-of-iron-nutrition-and-growth-on-peanut-by-paenibacillus-illinoisensis-and-bacillus-sp-strains-in-calcareous-soil
#14
Di Liu, Qianqian Yang, Ke Ge, Xiuna Hu, Guozhen Qi, Binghai Du, Kai Liu, Yanqin Ding
This study aimed to explore the effects of two siderophore-producing bacterial strains on iron absorption and plant growth of peanut in calcareous soil. Two siderophore-producing bacterial strains, namely, YZ29 and DZ13, isolated from the rhizosphere soil of peanut, were identified as Paenibacillus illinoisensis and Bacillus sp., respectively. In potted experiments, YZ29 and DZ13 enhanced root activity, chlorophyll and active iron content in leaves, total nitrogen, phosphorus and potassium accumulation of plants and increased the quality of peanut kernels and plant biomass over control...
June 4, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28645590/endoscopic-supracerebellar-transtentorial-approach-to-the-atrium-of-the-lateral-ventricle-preliminary-surgical-and-optical-considerations
#15
Tao Xie, Linjun Zhou, Xiaobiao Zhang, Wei Sun, Hailin Ding, Tengfei Liu, Ye Gu, Chongjing Sun, Fan Hu, Wei Zhu
OBJECTIVE: To report the operative techniques of the endoscopic supracerebellar transtentorial approach (ESTA) to the atrium of the lateral ventricle, especially focusing on the role of the endoscope and analyzing optically related issues. METHODS: A retrospective data review was performed on five patients with lesions in the atrium of the lateral ventricle undergoing the ESTA. The patients were positioned in the three-quarters prone position, and a paramidline linear incision was used...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28645566/using-straw-hydrolysate-to-cultivate-chlorella-pyrenoidosa-for-high-value-biomass-production-and-the-nitrogen-regulation-for-biomass-composition
#16
Tian-Yuan Zhang, Xiao-Xiong Wang, Yin-Hu Wu, Jing-Han Wang, Victor M Deantes-Espinosa, Lin-Lan Zhuang, Hong-Ying Hu, Guang-Xue Wu
Heterotrophic cultivation of Chlorella pyrenoidosa based on straw substrate was proposed as a promising approach in this research. The straw pre-treated by ammonium sulfite method was enzymatically hydrolyzed for medium preparation. The highest intrinsic growth rate of C. pyrenoidosa reached to 0.097h(-1) in hydrolysate medium, which was quicker than that in glucose medium. Rising nitrogen concentration could significantly increase protein content and decrease lipid content in biomass, meanwhile fatty acids composition kept stable...
May 17, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28645551/association-between-blood-vitamin-d-and-myocardial-infarction-a-meta-analysis-including-observational-studies
#17
REVIEW
Jizhen Huang, Zhiwei Wang, Zhipeng Hu, Wanli Jiang, Bowen Li
BACKGROUND: The association between blood vitamin D levels and the risk of myocardial infarction (MI) is controversial. This meta-analysis aimed to describe the relationship between MI risk and blood vitamin D levels. METHODS: Online databases were searched in PubMed, EMBASE and Web of science till February 2017 for observational studies in relation to reporting the vitamin D levels in MI cases and non-MI controls. The weighted mean difference (WMD) or odds ratio (OR), with 95% confidence interval (CI), were calculated to evaluate the relationship between MI risk and blood vitamin D levels...
June 20, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28645547/an-alternative-strategy-for-treatment-of-distal-tibiofibular-syndesmotic-disruption-a-technical-note
#18
Jin-Tao Qu, Guo-Hua Shi, Yang-Cai Wang, Jian Li, Ji-Wu Dong, Yue Hu
Metal screws are the most widely used in treating syndesmotic injuries; however, failure and the rigidity of the screws can threaten the success of the treatment and increase the cost of care. We performed open reduction and internal fixation of a fibula fracture followed by fixation of the tibiofibular joint with an olive wire and one half of an external fixator. We present a review of 1 patient treated with this material. We believe this method to be a physiologic fixation system with the advantage of being safe, inexpensive, adjustable, and effective; however, further clinical investigation and comparison to other methods is needed in order to better understand it clinical utility...
June 20, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28645539/gli1-labeled-adult-mesenchymal-stem-progenitor-cells-and-hedgehog-signaling-contribute-to-endochondral-heterotopic-ossification
#19
Chen Kan, Lijun Chen, Yangyang Hu, Na Ding, Yuyun Li, Tammy L McGuire, Haimei Lu, John A Kessler, Lixin Kan
Heterotopic ossification (HO), acquired or hereditary, endochondral or intramembranous, is the formation of true bone outside the normal skeleton. Since perivascular Gli1+ progenitors contribute to injury induced organ fibrosis, and CD133 is expressed by a variety of populations adult stem cells, this study utilized Cre-lox based genetic lineage tracing to test the contribution to endochondral HO of adult stem/progenitor cells that expressed either Gli1 or CD133. We found that both lineages contributed broadly to different normal tissues with distinct patterns, but that only Gli1-creERT labeled stem/progenitor cells contributed to all stages of endochondral HO in a BMP dependent, injury induced, transgenic mouse model...
June 20, 2017: Bone
https://www.readbyqxmd.com/read/28645485/eli-ruckenstein-a-rare-researcher-teacher-and-mentor-par-excellence
#20
EDITORIAL
Yun Hang Hu, Ramanathan Nagarajan, Paschalis Alexandridis
No abstract text is available yet for this article.
June 2017: Advances in Colloid and Interface Science
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