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Yi Zhong

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https://www.readbyqxmd.com/read/28340379/knockdown-of-ska1-gene-inhibits-cell-proliferation-and-metastasis-in-human-adenoid-cystic-carcinoma
#1
Li-Juan Zhao, Hong-Li Yang, Ke-Yi Li, Yue-Hua Gao, Kai Dong, Zhong-Hao Liu, Le-Xin Wang, Bin Zhang
The spindle and kinetochore-associated complex subunit 1(SKA1) is a newly discovered gene, which has been associated with mitosis and tumorigenesis. However, its role insalivary adenoid cystic carcinoma (SACC) is still unknown, and the invasive and metastatic mechanism in SACC is still unclear. To explore the molecular mechanism of SKA1 in the process of malignant proliferation and metastasis in adenoid cystic cancer (ACC) cells, we employed lentivirus-mediated short hairpin RNA to knockdown SKA1 in SACC-83 cells...
March 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340032/osptr7-osnpf8-1-a-putative-peptide-transporter-in-rice-is-involved-in-dimethylarsenate-accumulation-in-rice-grain
#2
Zhong Tang, Yi Chen, Fei Chen, Yuchen Ji, Fang-Jie Zhao
Rice (Oryza sativa) is a major dietary source of arsenic (As) for the population consuming rice as their staple food. Rice grain contains both inorganic As and methylated As species, especially dimethyarsinate (DMA). DMA is highly mobile in long-distance translocation in plants, but the underlying mechanism remains unknown. In the present study, we showed that OsPTR7 (OsNPF8.1), a putative peptide transporter in rice, was permeable to DMA in Xenopus laevis oocytes. Transient expression of the OsPTR7-green fluorescent protein (GFP) in tobacco protoplasts showed that OsPTR7 was localized in the cell plasma membrane...
March 2, 2017: Plant & Cell Physiology
https://www.readbyqxmd.com/read/28339215/discovery-and-pre-clinical-characterization-of-a-3-rd-generation-4-h-heteroaryldihydropyrimidine-hap-analogues-as-hepatitis-b-virus-hbv-capsid-inhibitors
#3
Zongxing Qiu, Xianfeng Lin, Weixing Zhang, Mingwei Zhou, Lei Guo, Buelent Kocer, Guolong Wu, Zhisen Zhang, Haixia Liu, Houguang Shi, Buyu Kou, Taishan Hu, Yimin Hu, Mengwei Huang, S Frank Yan, Zhiheng Xu, Zheng Zhou, Ning Qin, Yue Fen Wang, Shuang Ren, Hongxia Qiu, Yuxia Zhang, Yi Zhang, Xiaoyue Wu, Kai Sun, Sheng Zhong, Jianxun Xie, Giorgio Ottaviani, Yuan Zhou, Lina Zhu, Xiaojun Tian, Liping Shi, Fang Shen, Yi Mao, Xue Zhou, Lu Gao, John A T Young, Jim Zhen Wu, Guang Yang, Alexander V Mayweg, Hong C Shen, Guozhi Tang, Wei Zhu
Described herein are the discovery and structure-activity relationship (SAR) studies of the 3(rd) generation 4-H heteroaryldihydropyrimidines (4-H HAPs) featuring the introduction of a C6 carboxyl group as novel HBV capsid inhibitors. This new series of 4-H HAPs showed improved anti-HBV activity and better drug-like properties compared to the 1(st) and 2(nd) generation 4-H HAPs. X-ray crystallographic study of analogue 12 (HAP_R01) with Cp149 Y132A mutant hexamer clearly elucidated the role of C6 carboxyl group played for the increased binding affinity, which formed strong hydrogen bonding interactions with capsid protein and coordinated waters...
March 24, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28339043/high-atp2a2-expression-correlates-with-better-prognosis-of-diffuse-astrocytic-tumor-patients
#4
Wei-Qing Li, Nan-Zhe Zhong, Jin He, Yi-Ming Li, Li-Jun Hou, Hui-Min Liu, Chun-Yan Xia, Liang-Zhe Wang, Yi-Cheng Lu
Novel molecular markers are required for defining subsets of diffuse astrocytic tumor patients with differing prognoses. Here, we examined ATP2A2 expression in 109 human diffuse astrocytic tumor samples (39 grade II diffuse astrocytoma (DA), 19 grade III anaplastic astrocytoma (AA), 51 grade IV glioblastoma) and its correlation with patient clinicopathologic characteristics. ATP2A2 expression significantly correlated with tumor grade and survival (P<0.05). High ATP2A2 expression was detected in 35.3% (18/51) of glioblastoma patients, compared to 61...
March 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28338681/dynamics-of-the-triplet-pair-state-reveals-the-likely-coexistence-of-coherent-and-incoherent-singlet-fission-in-crystalline-hexacene
#5
Nicholas R Monahan, Dezheng Sun, Hiroyuki Tamura, Kristopher W Williams, Bolei Xu, Yu Zhong, Bharat Kumar, Colin Nuckolls, Avetik R Harutyunyan, Gugang Chen, Hai-Lung Dai, David Beljonne, Yi Rao, X-Y Zhu
The absorption of a photon usually creates a singlet exciton (S1) in molecular systems, but in some cases S1 may split into two triplets (2×T1) in a process called singlet fission. Singlet fission is believed to proceed through the correlated triplet-pair (1)(TT) state. Here, we probe the (1)(TT) state in crystalline hexacene using time-resolved photoemission and transient absorption spectroscopies. We find a distinctive (1)(TT) state, which decays to 2×T1 with a time constant of 270 fs. However, the decay of S1 and the formation of (1)(TT) occur on different timescales of 180 fs and <50 fs, respectively...
April 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28337962/linc00052-promotes-gastric-cancer-cell-proliferation-and-metastasis-via-activating-wnt-%C3%AE-catenin-signaling-pathway
#6
Yuqiang Shan, Rongchao Ying, Zhong Jia, Wencheng Kong, Yi Wu, Sixin Zheng, Huicheng Jin
Gastric cancer (GC) is one of the most common malignant tumors of digestive system. The etiology of GC is complex and much more attention should be paid on the genetic factors. In this study, we explored the role and function of LINC00052 in GC. We applied qRT-PCR and northern blot to detect the expression of LINC00052 and found it was highly expressed during GC. We also investigated the effects of LINC00052 on tumor prognosis and progression, and found LINC00052 indicated poor prognosis and tumor progression...
March 23, 2017: Oncology Research
https://www.readbyqxmd.com/read/28336934/low-frequency-stimulation-of-the-primary-focus-retards-positive-transfer-of-secondary-focus
#7
Yifang Kuang, Cenglin Xu, Yinxi Zhang, Yi Wang, Xiaohua Wu, Ying Wang, Yao Liu, Kai Zhong, Hui Cheng, Yi Guo, Shuang Wang, Meiping Ding, Zhong Chen
Positive transfer of secondary focus (PTS) refers to new epileptogenesis outside the primary focus and is minimally controlled by existing treatments. Low-frequency stimulation (LFS) has benefits on the onset of epilepsy and epileptogenesis. However, it's unclear whether LFS can retard the PTS in epilepsy. Here we found that PTS at both contralateral amygdala and ipsilateral hippocampus were promoted after the primary focus was fully kindled in rat kindling model. The promotion of PTS at the mirror focus started when the primary kindling acquisition reached focal seizures...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336262/increased-susceptibility-to-fundus-camera-delivered-light-induced-retinal-degeneration-in-mice-deficient-in-oxidative-stress-response-proteins
#8
Yi Ding, Bogale Aredo, Xin Zhong, Cynthia X Zhao, Rafael L Ufret-Vincenty
Oxidative stress is an important contributor to the pathogenesis of many retinal diseases including age-related macular degeneration and retinal dystrophies. Light-induced retinal degeneration (LIRD) can serve as a model in which to study the response of the retina to stress. Of note, many genetic mutant mice are in a C57BL/6 J background and are thus resistant to the usual LIRD models. We recently developed a new model of fundus camera-delivered light-induced retinal degeneration (FCD-LIRD) which is effective in strains of mice expressing the light-resistant variant of RPE65 (450Met), including C57BL/6 J...
March 20, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28335318/a-label-free-and-sensitive-fluorescent-qualitative-assay-for-bisphenol-a-based-on-rolling-circle-amplification-exonuclease-iii-combined-cascade-amplification
#9
Xia Li, Juan Song, Qing-Wang Xue, Fu-Heng You, Xia Lu, Yan-Cong Kong, Shu-Yi Ma, Wei Jiang, Chen-Zhong Li
Bisphenol A (BPA) detection in drinking water and food packaging materials has attracted much attention since the discovery that BPA can interfere with normal physiological processes and cause adverse health effects. Here, we constructed a label-free aptamer fluorescent assay for selective and sensitive detection of BPA based on the rolling circle amplification (RCA)/Exonuclease III (Exo III)-combined cascade amplification strategy. First, the duplex DNA probe (RP) with anti-BPA aptamer and trigger sequence was designed for BPA recognition and signal amplification...
October 21, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334234/breast-cancer-risk-associated-variants-at-6q25-1-influence-risk-of-hepatocellular-carcinoma-in-a-chinese-population
#10
Jiaoyuan Li, Ying Wang, Ying Zhu, Yajie Gong, Yang Yang, Jianbo Tian, Yi Zhang, Danyi Zou, Xiating Peng, Juntao Ke, Jing Gong, Rong Zhong, Jiang Chang
The gender disparity observed in the incidence of hepatocellular carcinoma (HCC) suggests an important role of estrogens in HCC pathogenesis. In this study, we conducted a case-control study to investigate whether breast cancer risk-associated single nucleotide polymorphisms (SNPs) located at estrogens loci identified by genome-wide association studies (GWASs) also predispose to HCC in a Chinese population. Three candidate SNPs at 6q25.1 were genotyped in 2,025 HCC cases and 2,032 healthy controls. Differential expression analyses and expression quantitative trait loci (eQTL) analyses were conducted to further explore the role of significant SNPs and genes they reside in...
March 3, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28332821/chiral-plasmonic-nanochains-via-the-self-assembly-of-gold-nanorods-and-helical-glutathione-oligomers-facilitated-by-cetyltrimethylammonium-bromide-micelles
#11
Jun Lu, Yi-Xin Chang, Ning-Ning Zhang, Ying Wei, Ai-Ju Li, Jia Tai, Yao Xue, Zhao-Yi Wang, Yang Yang, Li Zhao, Zhong-Yuan Lu, Kun Liu
Gold nanorods are excellent anisotropic building blocks for plasmonic chiral nanostructures. The near-infrared plasmonic band of nanorods makes them highly desirable for biomedical applications such as chiral bioimaging and sensing, in which a strong circular dichroism (CD) signal is required. Chiral assemblies of gold nanorods induced by self-associating peptides are especially attractive for this purpose as they exhibit plasmonic-enhanced chiroptical activity. Here, we showed that the presence of cetyltrimethylammonium bromide (CTAB) micelles in a gold nanorod solution promoted the self-association of l-/d-glutathione (GSH) and significantly enhanced the chirality of the resulting plasmonic nanochains...
March 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28331183/differential-expression-of-chemosensory-protein-genes-in-midguts-in-response-to-diet-of-spodoptera-litura
#12
Xin Yi, Jiangwei Qi, Xiaofan Zhou, Mei Ying Hu, Guo Hua Zhong
While it has been well characterized that chemosensory receptors in guts of mammals have great influence on food preference, much remains elusive in insects. Insect chemosensory proteins (CSPs) are soluble proteins that could deliver chemicals to olfactory and gustatory receptors. Recent studies have identified a number of CSPs expressed in midgut in Lepidoptera insects, which started to reveal their roles in chemical recognition and stimulating appetite in midgut. In this study, we examined expression patterns in midgut of 21 Spodoptera litura CSPs (SlitCSPs) characterized from a previously reported transcriptome, and three CSPs were identified to be expressed highly in midgut...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28328850/measurement-of-exhaled-nitric-oxide-concentration-in-patients-with-obstructive-sleep-apnea-a-meta-analysis
#13
Dongmei Zhang, Jinmei Luo, Yixian Qiao, Yi Xiao, Rong Huang, Xu Zhong
BACKGROUND: Exhaled nitric oxide (eNO) has been proposed as a noninvasive measure of airway inflammation. However, its value in patients with obstructive sleep apnea (OSA) is still controversial. The authors aim to assess the difference in eNO levels between patients with OSA and controls by a meta-analysis. METHODS: A systematic search was performed in the PubMed, EMBASE, the Cochrane Library, and MEDLINE databases to collect relevant studies published from 1996 to 2016...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28327758/a-dy4-single-molecule-magnet-and-its-gd-iii-tb-iii-ho-iii-and-er-iii-analogues-encapsulated-by-an-8-hydroxyquinoline-schiff-base-derivative-and-%C3%AE-diketonate-coligand
#14
Hong-Ling Gao, Xiao-Pu Zhou, Yan-Xia Bi, Hai-Yun Shen, Wen-Min Wang, Ni-Ni Wang, Yi-Xin Chang, Ru-Xia Zhang, Jian-Zhong Cui
Five new tetranuclear complexes based on an 8-hydroxyquinoline Schiff base derivative and the β-diketone coligand, [Ln4(acac)4L6(μ3-OH)2]·CH3CN·0.5CH2Cl2 (Ln = Gd (1), Tb (2), Dy (3), Ho (4) and Er (5); HL = 5-(benzylidene)amino-8-hydroxyquinoline; acac = acetylacetonate) have been synthesized, and structurally and magnetically characterized. Complexes 1-5 have similar tetranuclear structures. Each Ln(III) ion is eight coordinated and its coordination polyhedra can be described as being in a distorted square-antiprismatic geometry...
March 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28326317/ycl3-promotes-neuronal-cell-death-by-inducing-apoptotic-pathways-in-rats
#15
Yechun Ding, Yuantong Tian, Zhaoyi Zeng, Ping Shuai, Haiying Lan, Xianshen Zhu, Yi Zhong, Longhuo Wu, Xiaona Fan
The pollutants rare earth elements (REEs) have posed great threats to human health. To investigate the cytotoxicity of yttrium (Y), a model that rats have free access to water containing YCl3 for 6 months is utilized. The results showed that YCl3 treatment promoted neuronal cell apoptosis by upregulating the proapoptotic factors Bax, caspase-3, Cyto c, and DAPK and by downregulating the antiapoptotic factors Bcl-2 and XIAP at both mRNA and protein levels. Conclusively, YCl3 exhibited cytotoxicity and promoted neuronal cell death by the induction of apoptotic pathways...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28325943/a-parameterized-model-for-mean-urinary-inflow-rate-and-its-preliminary-application-in-radiotherapy-for-cervical-cancer
#16
Fu Jin, Huan-Li Luo, Juan Zhou, Ding-Yi Yang, Li Yin, Xiao-Qing Yang, Ya-Nan He, Xian-Feng Liu, Da Qiu, Ming-Song Zhong, Han Yang, Chao Li, Qi-Cheng Li, Guang-Lei He, Ying Wang
Forty-nine patients with stage IIb cervical cancer were included to investigate the changes in bladder volume in response to different approaches to maintaining consistent bladder filling. The impacts of age (P age), water consumption (P wat ), and body mass index (BMI, P bmi ) on the mean urinary inflow rate (v tot ) were analysed. The bladder volume (BV) increased linearly over time. A large variation in v tot among individuals was observed, ranging from 0.19 to 5.13 ml/min. The v tot was correlated with P age (R = -0...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28323051/anticancer-and-anti-angiogenic-activities-of-extract-from-actinidia-eriantha-benth-root
#17
Jian-Guo Wu, Li Ma, Shui-Hua Lin, Yan-Bin Wu, Jun Yi, Bin-Jun Yang, Jin-Zhong Wu, Ka-Hing Wong
ETHNOPHARMACOLOGICAL RELEVANCE: The roots of Actinidia eriantha Benth (AER) are commonly used traditional folk medicine for the treatment of gastric carcinoma, nasopharyngeal carcinoma, and breast carcinoma. Besides, the anti-proliferative and immunomodulatory effects of AER polysaccharides on tumor-bearing mice have been reported previously. AIM OF THE STUDY: This work was carried out to investigate the anticancer and anti-angiogenic activities of AER. MATERIALS AND METHODS: The growth inhibitory effects of ethanol extracts from the leaves (EEL), stems (EES) and roots (EER) of A...
March 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28322287/anatomy-of-the-retrohepatic-tunnel-in-a-chinese-population-and-its-clinical-application-in-liver-surgery
#18
Wang Zheng, Ding Zi-Hai, Zhou Jie, Zhong Shi-Zhen, Lin Jian-Hua, Lin Yi-Xiong
Liver hanging maneuver (LHM) is an important technique in liver surgery. However, applied anatomy of the retrohepatic tunnel for the surgical approach in Chinese population needs further study. In this study, to explore the basic anatomy of retrohepatic tunnel and its clinical application in a Chinese population, a total of 32 formalin-fixed cadavers were dissected, related parameters were measured, and their clinical applications were discussed. The length of the retrohepatic tunnel was (60.6 ± 9.9) mm...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28322101/association-between-telomere-length-and-diabetes-mellitus-a-meta-analysis
#19
Jianfei Wang, Xu Dong, Li Cao, Yangyang Sun, Yu Qiu, Yi Zhang, Ruoqiong Cao, Mihai Covasa, Li Zhong
Objective We investigated the relationship between diabetes and telomere length by meta-analysis. Methods We searched five popular databases for articles published between 1990 and 2015 using "diabetes" and "telomere" as search terms. Data were processed with RevMan5, and random- or fixed-effects meta-analysis was applied. The effects of geographical region, diabetes type, body mass index (BMI), age and sex were examined. Funnel plots were applied to evaluate publication bias. Results Seventeen articles were obtained from 571 references...
December 2016: Journal of International Medical Research
https://www.readbyqxmd.com/read/28321215/ifn-%C3%AE-inhibits-drug-resistant-hiv-infection-of-macrophages
#20
Xu Wang, He Wang, Man-Qing Liu, Jie-Liang Li, Run-Hong Zhou, Yu Zhou, Yi-Zhong Wang, Wang Zhou, Wen-Zhe Ho
Type III interferons (IFN-λs) have been demonstrated to inhibit a number of viruses, including HIV. Here, we further examined the anti-HIV effect of IFN-λs in macrophages. We found that IFN-λs synergistically enhanced anti-HIV activity of antiretrovirals [azidothymidine (AZT), efavirenz, indinavir, and enfuvirtide] in infected macrophages. Importantly, IFN-λs could suppress HIV infection of macrophages with the drug-resistant strains, including AZT-resistant virus (A012) and reverse transcriptase inhibitor-resistant virus (TC49)...
2017: Frontiers in Immunology
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