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Qiang Wang, Feiyang Liu, Shuang Qi, Ziping Qi, Xiao-E Yan, Beilei Wang, Aoli Wang, Wei Wang, Cheng Chen, Xiaochuan Liu, Zongru Jiang, Zhenquan Hu, Li Wang, Wenchao Wang, Tao Ren, Shanchun Zhang, Cai-Hong Yun, Qingsong Liu, Jing Liu
Through exploration of the non-highly conserved allosteric hydrophobic pocket generated by DFG-out shifting in the inactive conformation, we discovered a highly selective type II PDGFRα kinase inhibitor 15i (CHMFL-PDGFRα-159), which exhibited strong potency against purified PDGFRα (IC50 : 132 nM) but not structurally similar PDGFRβ, ABL, c-KIT and VEGFR2 kinases. In addition, it displayed a high selectivity profile (S score (10) = 0.02) at the concentration of 1 μM among 468 kinases/mutants in the KINOMEscan profiling...
March 12, 2018: European Journal of Medicinal Chemistry
Lu Cai, Kaikai Du, Yurui Qu, Hao Luo, Meiyan Pan, Min Qiu, Qiang Li
Polar crystals can enable strong light-matter interaction at an infrared regime and provide many practical applications including thermal emission. However, the dynamic control of thermal emission based on polar crystals remains elusive as the lattice vibrations are solely determined by the crystal structure. Here, a nonvolatile tunable midinfrared thermal emitter enabled by a phase-changing film Ge2 Sb2 Te5 on silicon carbide polar crystal is demonstrated. By controlling the state of Ge2 Sb2 Te5 from an amorphous to a crystalline state, the emissivity of the thermal emitter is tuned from a low value to near unity with a maximum change in peak emissivity exceeding 10 dB over the Reststrahlen band of SiC (11...
March 15, 2018: Optics Letters
Jian-Qiang Li, Rui Li, Zhuang-Zhuang Chen, Gen-Qiang Deng, Huihui Wang, Constandinos X Mavromoustakis, Houbing Song, Zhong Ming
With increasingly fierce competition for jobs, the pressures on people have risen in recent years, leading to lifestyle and diet disorders that result in significantly higher risks of cardiovascular disease. Hypertension is one of the common chronic cardiovascular diseases; however, mainstream blood pressure measurement devices are relatively heavy. When multiple measurements are required, the user experience and the measurement results may be unsatisfactory. In this paper, we describe the design of a signal collection module that collects pulse waves and electrocardiograph (ECG) signals...
2018: IEEE Journal of Translational Engineering in Health and Medicine
Shu-Qiang Yuan, Run-Cong Nie, Yong-Ming Chen, Hai-Bo Qiu, Xiao-Ping Li, Xiao-Jiang Chen, Li-Pu Xu, Li-Fang Yang, Xiao-Wei Sun, Yuan-Fang Li, Zhi-Wei Zhou, Shi Chen, Ying-Bo Chen
The Glasgow Prognostic Score (GPS) has been shown to be associated with survival rates in patients with advanced cancer. The present study aimed to compare the GPS with the Eastern Cooperative Oncology Group Performance Status (ECOG PS) in patients with gastric cancer with peritoneal seeding. For the investigation, a total of 384 gastric patients with peritoneal metastasis were retrospectively analyzed. Patients with elevated C-reactive protein (CRP; >10 mg/l) and hypoalbuminemia (<35 mg/l) were assigned a score of 2...
April 2018: Oncology Letters
Yuan-Yuan Ye, Jia-Wei Mei, Shan-Shan Xiang, Huai-Feng Li, Qiang Ma, Xiao-Ling Song, Zheng Wang, Yi-Chi Zhang, Yong-Chen Liu, Yun-Peng Jin, Yun-Ping Hu, Lin Jiang, Fa-Tao Liu, Yi-Jian Zhang, Ya-Juan Hao, Ying-Bin Liu
Gallbladder carcinoma (GBC), the most common malignant tumour of the bile duct, is highly aggressive and has a poor prognosis. MicroRNA-30a-5p (miR-30a-5p) is an important tumour suppressor that participates in many aspects of carcinogenesis and cancer development. However, the role of miR-30a-5p in GBC development remains to be determined, as do the mechanisms underlying its effects in GBC. Using samples collected from 42 subjects with gallbladder carcinoma (GBC), we showed decreased miR-30a-5p expression in the primary lesions vs...
March 14, 2018: Cell Death & Disease
Qian Zhou, Li Cui, Lamei Ren, Ping Wang, Chao Deng, Qiang Wang, Xuedong Fan
Chitooligosaccharide (COS) has the characteristic of antioxidant and antibacterial effects. To improve the properties of silk fibroin (SF), COS was enzymatically grafted onto SF membranes using a laccase from Trametes versicolor. d-Glucosamine hydrochloride (GAH) and p-hydroxyphenylacetamide (PHAD), as the model compound of COS and tyrosine residues in SF were utilized to disclose the grafting mechanism, respectively. The data from UPLC-TQD and GPC analysis implied that laccase might catalyze the oxidation of PHAD and led to the formation of self-polymerized products...
March 11, 2018: International Journal of Biological Macromolecules
Chao-Hui Zheng, Jia-Bin Wang, Man-Qiang Lin, Peng-Yang Zhang, Li-Chao Liu, Jian-Xian Lin, Jun Lu, Qi-Yue Chen, Long-Long Cao, Mi Lin, Ru-Hong Tu, Jian-Wei Xie, Ping Li, Chang-Ming Huang
BACKGROUND: CDK5RAP3 was initially isolated as a binding protein of the CDK5 activator p35. Although CDK5RAP3 has been shown to negatively regulate the Wnt/β-catenin signaling pathway in gastric cancer by repressing GSK-3β phosphorylation, its in-depth mechanism has not been determined. METHODS: Following CDK5RAP3 overexpression or knock down, CDK5RAP3 signaling pathways were investigated in gastric cancer cells by Western Blotting. Cell growth, invasion and migration were also evaluated in gastric cancer cell lines...
March 14, 2018: Journal of Experimental & Clinical Cancer Research: CR
Xin-Li An, Qing-Lin Chen, Dong Zhu, Jian-Qiang Su
Struvite recovered from wastewater is promising for recycling phosphorus into soil as fertilizers. However, struvite application may prompt the proliferation of antibiotic resistance in soil and plant. This study examined the impacts of struvite application and biochar amendment on integrons abundance and gene cassette contexts in rhizosphere soil and phyllosphere using quantitative PCR and clone library analysis. Microcosm experiments revealed that class 1 integron was the most prevalent in all samples, with higher concentration and higher relative abundance in rhizosphere than those in phyllosphere...
March 11, 2018: Science of the Total Environment
Zhao Xiaojuan, Leiming Tao, Hao Li, Wenchao Huang, Pengyu Sun, Jun Liu, Shuangshuang Liu, Qiang Sun, Zhifang Cui, Lijie Sun, Yan Shen, Yang Yang, Mingkui Wang
Organic-inorganic hybrid lead halide perovskites have been widely investigated in optoelectronics both experimentally and theoretically. The present work incorporates chemical modified graphene into nanocrystal SnO2 as electron transporting layer (ETL) for highly efficient planar perovskite solar cells. The modification of SnO2 with highly conductive two-dimensional naphthalene diimide-graphene can increase surface hydrophobicity and form van der Waals interaction between the surfactant and the organic-inorganic hybrid lead halide perovskite compounds...
March 14, 2018: Nano Letters
Xiu-Ting Yu, Yi-Fei Xu, Yan-Feng Huang, Chang Qu, Lie-Qiang Xu, Zi-Ren Su, Hui-Fang Zeng, Lin Zheng, Tie-Gang Yi, Hui-Lin Li, Jian-Ping Chen, Xiao-Jun Zhang
Ulcerative colitis (UC) is a chronic relapsing disease without satisfactory treatments, in which intestinal inflammation and disrupted intestinal epithelial barrier are two main pathogeneses triggering UC. Berberrubine (BB) is deemed as one of the major active metabolite of berberine (BBR), a naturally-occurring isoquinoline alkaloid with appreciable anti-UC effect. This study aimed to comparatively investigate the therapeutic effects of BB and BBR on dextran sodium sulfate (DSS)-induced mouse colitis model, and explore the potential underlying mechanism...
2018: PloS One
Guang-Shao Cao, Rui-Qing Liu, Yu-Yan Liu, Jian-Wen Liu, Lu-Peng Li, Qiang Zhang, Hui-Cun Cao, Tian-Xiao Li
This study aims to investigate the menstrual recovery outcome of scar pregnancy patients who received uterine artery embolization combined with curettage, and its influencing factors.The data of 119 patients with scar pregnancy, who received uterine artery embolization combined with curettage between December 2012 and December 2016 in Henan Provincival People's Hospital, were collected. The menstruation recovery of these patients was followed up, and factors that have influence on menstrual blood volume were analyzed using SPSS V...
March 2018: Medicine (Baltimore)
Zhen-Zhen Qin, Qiang Wang, Caixia Yuan, Yun-Tao Yang, Xue-Feng Zhao, Debao Li, Ping Liu, Yan-Bo Wu
Though ultrashort metal-metal distances (USMMD, dM-M < 1.900 Å) were primarily realized between transition metals, USMMDs between main group metal atoms such as beryllium atoms have also been designed previously using two strategies: (1) formation of multiple bonding orbitals or (2) having favourable electrostatic attraction. We recently turned our attention to the reported species IH → Be2 H2 ← IH (where IH denotes imidazol-2-ylidene) because the orbital energy level of its π-type HOMO is noted to be very high, which may result in intrinsic instability...
March 14, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
Chai Qiang, Hong Yong, Wang Shao-Sheng, Li Chao-Pin
OBJECTIVE: To investigate the Suidasia breeding in the flourmill and further observe its morphological characteristics. METHODS: The samples were collected from different habitats of a flourmill and then separated, and the chipping was kept. The mites were selected and counted from the chipping under an optical microscope. The mites were made slide samples and identified. RESULTS: The mites were identified as Suidasia (including Suidasia nesbitti and Suidasia medanensis )...
May 19, 2017: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Wang Sheng-Qiang, Yang Meng-Meng, Zhu Guo-Ding, Sun Li-Xin, Geng He-Yuan, Cao Jun, Yang Hai-Tao
Mosquito is a vector of many infectious diseases, and it is recognized a leading killer of human in the world. After the Belt and Road Initiative launches, more are countries involved and the international communication and cooperation are significantly growing in China. Therefore, the risk of imported infectious diseases is increasing as well, some mosquito-borne diseases which have been well controlled or seldom seen in China, will be more risky to cause locally transmission from imported cases and become the threat to people's health in China...
December 27, 2017: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Zhu Zhang, Jun-Wei Gong, Ming Wen, Li-Qiang Zhang
Objective To assess the value of internal carotid artery stenosis in differentiating invasive pituitary adenoma (IPA) from invasive meningiomas (IM). Methods The clinical and imaging data of 28 IPA patients and 15 IM patients who were treated in our center from January 2012 to December 2016 were retrospectively analyzed. The magnetic resonance imaging (MRI) features were analyzed. The narrowest diameter (Dstenosis ) and area (Astenosis ) of internal carotid artery around the tumor were measured by computed tomography angiography (CTA),followed by the calculation of the stenosis score (%stenosis )...
February 28, 2018: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
Xiaopeng Guo, Lu Gao, Xiaodong Shi, Hailong Li, Qiang Wang, Zihao Wang, Wei Chen, Bing Xing
Objective: To investigate the preoperative body composition, metabolic characteristics, and postoperative changes in patients with active acromegaly and analyze the effects of gender and age. Methods: We included 36 patients with untreated acromegaly and 37 patients with nonfunctional pituitary adenomas. Adipose tissue (AT), the visceral fat index (VFI), sclerotin, protein, skeletal muscle, total body water (TBW), intracellular water (ICW), and extracellular water (ECW) were measured using bioelectrical impedance analysis (BIA)...
2018: International Journal of Endocrinology
Ning-Li Chai, Jia Feng, Long-Song Li, Sheng-Zhen Liu, Chen Du, Qi Zhang, En-Qiang Linghu
AIM: To assess the effect of polyglycolic acid (PGA) plus stent placement compared with stent placement alone in the prevention of post-endoscopic submucosal dissection (ESD) esophageal stricture in early-stage esophageal cancer (EC) patients. METHODS: Seventy EC patients undergoing ESD were enrolled in this randomized, controlled study. Patients were allocated randomly at a 1:1 ratio into two groups as follows: (1) PGA plus stent group (PGA sheet-coated stent placement was performed); and (2) Stent group (only stent placement was performed)...
March 7, 2018: World Journal of Gastroenterology: WJG
Qiang Zhuang, Wenjuan Li, Christina Benda, Zhijian Huang, Tanveer Ahmed, Ping Liu, Xiangpeng Guo, David P Ibañez, Zhiwei Luo, Meng Zhang, Mazid Md Abdul, Zhongzhou Yang, Jiayin Yang, Yinghua Huang, Hui Zhang, Dehao Huang, Jianguo Zhou, Xiaofen Zhong, Xihua Zhu, Xiuling Fu, Wenxia Fan, Yulin Liu, Yan Xu, Carl Ward, Muhammad Jadoon Khan, Shahzina Kanwal, Bushra Mirza, Micky D Tortorella, Hung-Fat Tse, Jiayu Chen, Baoming Qin, Xichen Bao, Shaorong Gao, Andrew P Hutchins, Miguel A Esteban
Somatic cell reprogramming by exogenous factors requires cooperation with transcriptional co-activators and co-repressors to effectively remodel the epigenetic environment. How this interplay is regulated remains poorly understood. Here, we demonstrate that NCoR/SMRT co-repressors bind to pluripotency loci to create a barrier to reprogramming with the four Yamanaka factors (OCT4, SOX2, KLF4 and c-MYC), and consequently, suppressing NCoR/SMRT significantly enhances reprogramming efficiency and kinetics. The core epigenetic subunit of the NCoR/SMRT complex, histone deacetylase 3 (HDAC3), contributes to the effects of NCoR/SMRT by inducing histone deacetylation at pluripotency loci...
March 12, 2018: Nature Cell Biology
Ling Xu, Li-Li Zhu, Li-Li Ye, Ling-Jian Meng, Wen-Qiang Liu, Jun Wang
OBJECTIVE: To investigate the percentages of peripheral blood γδ T cells and regulatory T cells (Treg) and the expression of associated cytokines, interleukin 17 (IL-17) and transforming growth factor-β1 (TGF-β1), in infants with human cytomegalovirus (HCMV) infection. METHODS: Twenty-two infants with HCMV infection (HCMV group) and 22 healthy infants who underwent physical examination (control group) were enrolled in this study. The percentages of peripheral blood γδ T cells and Treg cells were determined by flow cytometry...
March 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
Chenlang Liu, Fangnan Yu, Qingshu Liu, Xiaoying Bian, Shengbiao Hu, Huansheng Yang, Yulong Yin, Yuezhong Li, Yuemao Shen, Liqiu Xia, Qiang Tu, Youming Zhang
Transporter engineering has been shown to be a positive approach for enhancing natural product titers in microbial cell factories by expelling target compounds out of feasible hosts. In this work, two multidrug efflux pumps, Orf14 and Orf3, were modulated in the epothilone production strain Burkholderia DSM7029::Tn5-km-epo (named G32) via Red/ET engineering to increase heterologous polyketide epothilone yields. Compared with the prior G32 strain, the total production of several epothilones in the G32::orf14-orf3 mutant was meaningfully doubled according to high-performance liquid chromatography-mass spectrometer (HPLC-MS) analysis...
February 26, 2018: FEMS Microbiology Letters
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