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https://www.readbyqxmd.com/read/28716731/arid1a-represses-hepatocellular-carcinoma-cell-proliferation-and-migration-through-lncrna-mvih
#1
Sheng Cheng, Lan Wang, Chuan-Huai Deng, Shi-Chun Du, Ze-Guang Han
ARID1A, encoding the BAF250a subunit of SWI/SNF complex, has a high mutation frequency in numerous types of cancer. LncRNAs, a type of non-coding RNAs longer than 200 nucleotides, have been reported to interplay with SWI/SNF complex during cancer progression. However, whether the interaction between ARID1A and lncRNA affects hepatocellular carcinoma (HCC) still needs to be investigated. Here, we reveal that ARID1A interacts with lncRNA MVIH through some region(s) or domain(s) including ARID domain and C-terminal ARID1A protein binding domain...
July 14, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28715124/chemical-imaging-of-fresh-vascular-smooth-muscle-cell-response-by-epi-detected-stimulated-raman-scattering
#2
Delong Zhang, Wei Chen, Huan Chen, Han-Qing Yu, Ghassan Kassab, Ji-Xin Cheng
An understanding of deformation of cardiovascular tissue under hemodynamic load is crucial for understanding the health and disease of blood vessels. In the present work, an epi-detected stimulated Raman scattering (epi-SRS) imaging platform was designed for in situ functional imaging of vascular smooth muscle cells (VMSCs) in fresh coronary arteries. For the first time, the pressure-induced morphological deformation of fresh VSMCs was imaged with no fixation and in a label free manner. The relation between the loading pressure and the morphological parameters, including angle and length of the VSMCs, were apparent...
July 17, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/28714472/targeting-the-differential-addiction-to-anti-apoptotic-bcl-2-family-for-cancer-therapy
#3
Akane Inoue-Yamauchi, Paul S Jeng, Kwanghee Kim, Hui-Chen Chen, Song Han, Yogesh Tengarai Ganesan, Kota Ishizawa, Sylvia Jebiwott, Yiyu Dong, Maria C Pietanza, Matthew D Hellmann, Mark G Kris, James J Hsieh, Emily H Cheng
BCL-2 family proteins are central regulators of mitochondrial apoptosis and validated anti-cancer targets. Using small cell lung cancer (SCLC) as a model, we demonstrated the presence of differential addiction of cancer cells to anti-apoptotic BCL-2, BCL-XL or MCL-1, which correlated with the respective protein expression ratio. ABT-263 (navitoclax), a BCL-2/BCL-XL inhibitor, prevented BCL-XL from sequestering activator BH3-only molecules (BH3s) and BAX but not BAK. Consequently, ABT-263 failed to kill BCL-XL-addicted cells with low activator BH3s and BCL-XL overabundance conferred resistance to ABT-263...
July 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28714123/defect-engineering-of-chalcogen-tailored-oxygen-electrocatalysts-for-rechargeable-quasi-solid-state-zinc-air-batteries
#4
Jing Fu, Fathy M Hassan, Cheng Zhong, Jun Lu, Han Liu, Aiping Yu, Zhongwei Chen
A critical bottleneck limiting the performance of rechargeable zinc-air batteries lies in the inefficient bifunctional electrocatalysts for the oxygen reduction and evolution reactions at the air electrodes. Hybridizing transition-metal oxides with functional graphene materials has shown great advantages due to their catalytic synergism. However, both the mediocre catalytic activity of metal oxides and the restricted 2D mass/charge transfer of graphene render these hybrid catalysts inefficient. Here, an effective strategy combining anion substitution, defect engineering, and the dopant effect to address the above two critical issues is shown...
July 17, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28713830/the-prevalence-and-replication-capacity-of-a-tibetan-dominant-hbv-strain-c-d-recombinant
#5
Lingyao Du, Menghan Liu, Miao Liu, Taoyou Zhou, Xing Cheng, Cong Liu, Hong Tang
This study aimed to estimate the distribution of hepatitis B virus (HBV) C/D recombinant in Han and Tibet patients with chronic hepatitis B (CHB) and then learn such strain's replication capacity in vivo. A total of 331 serum samples were collected from Han outpatients from Sichuan Province and Tibetan outpatients from Tibet. Viral genotypes in these samples were identified. An HBV replicative plasmid of C/D recombinant was constructed with selected genome. Sequentially, HBV replicative mouse models were established and the replication capacity of the viral strain was studied in vivo...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28711625/suppressing-mpges-1-expression-by-sinomenine-ameliorates-inflammation-and-arthritis
#6
Hua Zhou, Jian-Xin Liu, Jin-Fang Luo, Chun-Song Cheng, Elaine Lai-Han Leung, Ying Li, Xiao-Hui Su, Zhong-Qiu Liu, Ting-Bo Chen, Fu-Gang Duan, Yan Dong, Yi-Han Zuo, Chong Li, Chon Kit Lio, Ting Li, Pei Luo, Ying Xie, Xiao-Jun Yao, Pei-Xun Wang, Liang Liu
Recently, microsomal prostaglandin E synthase 1 (mPGES-1) has attracted much attention from pharmacologists as a promising strategy and an attractive target for treating various types of diseases including rheumatoid arthritis (RA), which could preserve the anti-inflammatory effect while reducing the adverse effects often occur during administration of Non-steroidal anti-inflammatory drugs (NSAIDs). Here, we report that Sinomenine (SIN) decreased prostaglandin (PG)E2 levels without affecting prostacyclin (PG)I2 and thromboxane (TX)A2 synthesis via selective inhibiting mPGES-1 expression, a possible reason of low risk of cardiovascular event compared with NSAIDs...
July 12, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28710768/panobinostat-sensitizes-kras-mutant-non-small-cell-lung-cancer-to-gefitinib-by-targeting-taz
#7
Wen-Ying Lee, Pin-Cyuan Chen, Wen-Shin Wu, Han-Chung Wu, Chun-Hsin Lan, Yen-Hua Huang, Chia-Hsiung Cheng, Ku-Chung Chen, Cheng-Wei Lin
Mutation of KRAS in non-small cell lung cancer (NSCLC) shows a poor response to epidermal growth factor receptor (EGFR) inhibitors and chemotherapy. Currently, there are no direct anti-KRAS therapies available. Thus, new strategies have emerged for targeting KRAS downstream signaling. Panobinostat is a clinically available histone deacetylase inhibitor for treating myelomas and also shows potentiality in NSCLC. However, the therapeutic efficacy of panobinostat against gefitinib-resistant NSCLC is unclear. In this study, we demonstrated that panobinostat overcame resistance to gefitinib in KRAS-mutant/EGFR-wild type NSCLC...
July 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28707485/common-and-uncommon-adverse-cutaneous-reactions-to-erlotinib-a-study-of-20-chinese-patients-with-cancer
#8
Huiling Zhu, Zhe Zhu, Weining Huang, Xiping Cheng, Jiaxi He, Chunping Xiong, Jiande Han
Erlotinib, an epidermal growth factor receptor tyrosine kinase inhibitor, is used for treating non-small cell lung cancers. It is frequently known to cause skin toxicities. Systemic toxicities and anaphylactic cutaneous reactions have been rarely mentioned. Adverse cutaneous reactions were reported in 20 patients, including 6 cases of anaphylactic dermatitis, 12 cases of acneiform rash, 9 cases of xerosis, 5 cases of nail changes, and 4 cases of hair changes. One case of anaphylactic dermatitis manifested as erythema with swelling on the face and neck, and others as erosive and scaly erythema on the fold of skin, or red macules, papules, plaques, and pigmentation on the whole body...
July 14, 2017: Cutaneous and Ocular Toxicology
https://www.readbyqxmd.com/read/28707430/multi-genic-pattern-found-in-rare-type-of-hypopituitarism-a-whole-exome-sequencing-study-of-han-chinese-with-pituitary-stalk-interruption-syndrome
#9
Qing-Hua Guo, Cheng-Zhi Wang, Zhi-Qiang Wu, Yan Qin, Bai-Yu Han, An-Ping Wang, Bao-An Wang, Jing-Tao Dou, Xiao-Sheng Wu, Yi-Ming Mu
Pituitary stalk interruption syndrome (PSIS) is a rare type of hypopituitarism manifesting various degrees of pituitary hormone deficiency. Although mutations have been identified in some familial cases, the underpinning mechanisms of sporadic patients with PSIS who are in a vast majority remain elusive, necessitating a comprehensive study using systemic approaches. We postulate that other genetic mechanisms may be responsible for the sporadic PSIS. To test this hypothesis, we conducted a study in 24 patients with PSIS of Han Chinese with no family history using whole-exome sequencing (WES) and bioinformatic analysis...
July 14, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28705895/asymmetric-distribution-of-hypoxia-inducible-factor-%C3%AE-regulates-dorsoventral-axis-in-the-early-sea-urchin-embryo
#10
Wei-Lun Chang, Yi-Cheng Chang, Kuan-Ting Lin, Han-Ru Li, Chih-Yu Pai, Jen-Hao Chen, Yi-Hsien Su
Hypoxia signaling is an ancient pathway by which animals can respond to low oxygen. Malfunction of this pathway disturbs the hypoxic acclimation and results in various diseases, including cancers. The role of the hypoxia pathway in early embryogenesis remains unclear. Here, we show that in the sea urchin Strongylocentrotus purpuratus blastula, hypoxia-inducible factor α (HIFα), the downstream transcription factor of this pathway, is localized and transcriptionally active on the future dorsal side. This asymmetric distribution is attributable to its oxygen-sensing ability...
July 13, 2017: Development
https://www.readbyqxmd.com/read/28705214/demographic-and-clinical-characteristics-of-carbon-monoxide-poisoning-nationwide-data-between-1999-and-2012-in-taiwan
#11
Chien-Cheng Huang, Chung-Han Ho, Yi-Chen Chen, Hung-Jung Lin, Chien-Chin Hsu, Jhi-Joung Wang, Shih-Bin Su, How-Ran Guo
BACKGROUND: Carbon monoxide poisoning (COP) is not uncommon, but nationwide epidemiological data are limited. We conducted a study in Taiwan to fill the data gaps. METHODS: We used a nationwide poisoning database to study all COP patients in Taiwan diagnosed between 1999 and 2012. We conducted descriptive analyses and compared the differences between the two sexes. In addition, we assessed the trends in suicide and mortality rates from 1999 to 2012. RESULTS: We identified 25,912 COP patients with an almost equal female and male distribution (50...
July 14, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/28704656/induction-of-inkit-by-viral-infection-negatively-regulates-antiviral-responses-through-inhibiting-phosphorylation-of-p65-and-irf3
#12
Bin Lu, Yujie Ren, Xueqin Sun, Cuijuan Han, Hongyan Wang, Yuxuan Chen, Qianqian Peng, Yongbo Cheng, Xiaoliang Cheng, Qiyun Zhu, Wenxin Li, Hong-Liang Li, Hai-Ning Du, Bo Zhong, Zan Huang
The transcription factors p65 and IRF3 play key roles in the induction of cellular antiviral responses. Phosphorylation of p65 and IRF3 is required for their activity and constitutes a key checkpoint. Here we report that viral infection induced upregulation of INKIT, an inhibitor for NF-κB and IRF3 that restricted innate antiviral responses by blocking phosphorylation of p65 and IRF3. INKIT overexpression inhibited virus-induced phosphorylation of p65 and IRF3 and expression of downstream genes. In contrast, knockdown or knockout of INKIT had the opposite effect: Inkit(-/-) mice produced elevated levels of type I interferons and proinflammatory cytokines and were more resistant to lethal viral infection compared to wild-type...
July 12, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28703810/microrna-148a-deficiency-promotes-hepatic-lipid-metabolism-and-hepatocarcinogenesis-in-mice
#13
Li Cheng, Yahui Zhu, Han Han, Qiang Zhang, Kaisa Cui, Hongxing Shen, Jinxiang Zhang, Jun Yan, Edward Prochownik, Youjun Li
miRNAs are involved in many physiologic and disease processes by virtue of degrading specific mRNAs or inhibiting their translation. miR-148a has been implicated in the control of tumor growth and cholesterol and triglyceride homeostasis using in vitro or in vivo gene expression- and silencing-based approaches. Here miR-148a knockout (KO) mice were used to investigate the intrinsic role of miR-148a in liver physiology and hepatocarcinogenesis in mice. miR-148a downregulation was found to be correlated with poor clinical outcomes in hepatocellular carcinoma (HCC) patients...
July 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28702378/thioredoxin-a-is-essential-for-motility-and-contributes-to-host-infection-of-listeria-monocytogenes-via-redox-interactions
#14
Changyong Cheng, Zhimei Dong, Xiao Han, Hang Wang, Li Jiang, Jing Sun, Yongchun Yang, Tiantian Ma, Chunyan Shao, Xiaodu Wang, Zhongwei Chen, Weihuan Fang, Nancy E Freitag, Huarong Huang, Houhui Song
Microbes employ the thioredoxin system to defend against oxidative stress and ensure correct disulfide bonding to maintain protein function. Listeria monocytogenes has been shown to encode a putative thioredoxin, TrxA, but its biological roles and underlying mechanisms remain unknown. Here, we showed that expression of L. monocytogenes TrxA is significantly induced in bacteria treated with the thiol-specific oxidizing agent, diamide. Deletion of trxA markedly compromised tolerance of the pathogen to diamide, and mainly impaired early stages of infection in human intestinal epithelial Caco-2 cells...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28700999/genome-wide-association-study-of-mki67-expression-and-its-clinical-implications-in-hbv-related-hepatocellular-carcinoma-in-southern-china
#15
Cheng-Kun Yang, Ting-Dong Yu, Chuang-Ye Han, Wei Qin, Xi-Wen Liao, Long Yu, Xiao-Guang Liu, Guang-Zhi Zhu, Hao Su, Si-Cong Lu, Zhi-Wei Chen, Zhen Liu, Ke-Tuan Huang, Zheng-Tao Liu, Yu Liang, Jian-Lu Huang, Zeng-Nan Mo, Xue Qin, Lequn Li, Kai-Yin Xiao, Min-Hao Peng, Cheryl Ann Winkle, Stephen J O'Brien, Tao Peng
BACKGROUND/AIMS: Hepatocellular carcinoma (HCC) is a common malignant tumor with a high rate of recurrence. Immunohistochemical analysis of the marker of proliferation Ki-67 (MKI67) is used to assess proliferation activity of HCC The regulation of MKI67 expression remains unclear in HCC This study aims to explore the association between MKI67 expression and gene variants. METHODS: A total of 195 hepatitis B virus (HBV)-related HCC patients were genotyped using Illumina HumanExome BeadChip-12-1_A (242,901 markers)...
July 13, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28696753/evolution-of-the-reactor-antineutrino-flux-and-spectrum-at-daya-bay
#16
F P An, A B Balantekin, H R Band, M Bishai, S Blyth, D Cao, G F Cao, J Cao, Y L Chan, J F Chang, Y Chang, H S Chen, Q Y Chen, S M Chen, Y X Chen, Y Chen, J Cheng, Z K Cheng, J J Cherwinka, M C Chu, A Chukanov, J P Cummings, Y Y Ding, M V Diwan, M Dolgareva, J Dove, D A Dwyer, W R Edwards, R Gill, M Gonchar, G H Gong, H Gong, M Grassi, W Q Gu, L Guo, X H Guo, Y H Guo, Z Guo, R W Hackenburg, S Hans, M He, K M Heeger, Y K Heng, A Higuera, Y B Hsiung, B Z Hu, T Hu, E C Huang, H X Huang, X T Huang, Y B Huang, P Huber, W Huo, G Hussain, D E Jaffe, K L Jen, X P Ji, X L Ji, J B Jiao, R A Johnson, D Jones, L Kang, S H Kettell, A Khan, S Kohn, M Kramer, K K Kwan, M W Kwok, T J Langford, K Lau, L Lebanowski, J Lee, J H C Lee, R T Lei, R Leitner, J K C Leung, C Li, D J Li, F Li, G S Li, Q J Li, S Li, S C Li, W D Li, X N Li, X Q Li, Y F Li, Z B Li, H Liang, C J Lin, G L Lin, S Lin, S K Lin, Y-C Lin, J J Ling, J M Link, L Littenberg, B R Littlejohn, J L Liu, J C Liu, C W Loh, C Lu, H Q Lu, J S Lu, K B Luk, X Y Ma, X B Ma, Y Q Ma, Y Malyshkin, D A Martinez Caicedo, K T McDonald, R D McKeown, I Mitchell, Y Nakajima, J Napolitano, D Naumov, E Naumova, H Y Ngai, J P Ochoa-Ricoux, A Olshevskiy, H-R Pan, J Park, S Patton, V Pec, J C Peng, L Pinsky, C S J Pun, F Z Qi, M Qi, X Qian, R M Qiu, N Raper, J Ren, R Rosero, B Roskovec, X C Ruan, H Steiner, P Stoler, J L Sun, W Tang, D Taychenachev, K Treskov, K V Tsang, C E Tull, N Viaux, B Viren, V Vorobel, C H Wang, M Wang, N Y Wang, R G Wang, W Wang, X Wang, Y F Wang, Z Wang, Z Wang, Z M Wang, H Y Wei, L J Wen, K Whisnant, C G White, L Whitehead, T Wise, H L H Wong, S C F Wong, E Worcester, C-H Wu, Q Wu, W J Wu, D M Xia, J K Xia, Z Z Xing, J L Xu, Y Xu, T Xue, C G Yang, H Yang, L Yang, M S Yang, M T Yang, Y Z Yang, M Ye, Z Ye, M Yeh, B L Young, Z Y Yu, S Zeng, L Zhan, C Zhang, C C Zhang, H H Zhang, J W Zhang, Q M Zhang, R Zhang, X T Zhang, Y M Zhang, Y X Zhang, Y M Zhang, Z J Zhang, Z Y Zhang, Z P Zhang, J Zhao, L Zhou, H L Zhuang, J H Zou
The Daya Bay experiment has observed correlations between reactor core fuel evolution and changes in the reactor antineutrino flux and energy spectrum. Four antineutrino detectors in two experimental halls were used to identify 2.2 million inverse beta decays (IBDs) over 1230 days spanning multiple fuel cycles for each of six 2.9 GW_{th} reactor cores at the Daya Bay and Ling Ao nuclear power plants. Using detector data spanning effective ^{239}Pu fission fractions F_{239} from 0.25 to 0.35, Daya Bay measures an average IBD yield σ[over ¯]_{f} of (5...
June 23, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28696296/multiplexed-rnai-therapy-against-brain-tumor-initiating-cells-via-lipopolymeric-nanoparticle-infusion-delays-glioblastoma-progression
#17
Dou Yu, Omar F Khan, Mario L Suvà, Biqin Dong, Wojciech K Panek, Ting Xiao, Meijing Wu, Yu Han, Atique U Ahmed, Irina V Balyasnikova, Hao F Zhang, Cheng Sun, Robert Langer, Daniel G Anderson, Maciej S Lesniak
Brain tumor-initiating cells (BTICs) have been identified as key contributors to therapy resistance, recurrence, and progression of diffuse gliomas, particularly glioblastoma (GBM). BTICs are elusive therapeutic targets that reside across the blood-brain barrier, underscoring the urgent need to develop novel therapeutic strategies. Additionally, intratumoral heterogeneity and adaptations to therapeutic pressure by BTICs impede the discovery of effective anti-BTIC therapies and limit the efficacy of individual gene targeting...
July 10, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28696069/hcc-associated-single-nucleotide-variants-and-deletions-identified-using-genome-wide-high-throughput-analysis-of-hbv
#18
Wen-Chun Liu, I-Chin Wu, Yen-Chien Lee, Chih-Peng Lin, Ji-Hong Cheng, Yih-Jyh Lin, Chia-Jui Yen, Pin-Nan Cheng, Pei-Fu Li, Yi-Ting Cheng, Pei-Wen Cheng, Koun-Tem Sun, Shu-Ling Yan, Jia-Jhen Lin, Jui-Chu Yang, Kung-Chao Chang, Cheng-Hsun Ho, Vincent S Tseng, Bill Chia-Han Chang, Jaw-Ching Wu, Ting-Tsung Chang
This study investigated hepatitis B virus (HBV) single nucleotide variants (SNVs) and deletion mutations linked with hepatocellular carcinoma (HCC). Ninety-three HCC patients and 108 non-HCC patients were enrolled for HBV genome-wide next-generation sequencing (NGS) analysis. Systemic literature review and meta-analysis were performed to validate NGS-defined HCC-associated SNVs and deletions. The experimental results identified 60 NGS-defined HCC-associated SNVs, including 41 novel SNVs, and their pathogenic frequencies...
July 11, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28695462/transgenic-mice-overexpressing-the-divalent-metal-transporter-1-exhibit-iron-accumulation-and-enhanced-parkin-expression-in-the-brain
#19
Cheng-Wu Zhang, Yee Kit Tai, Bing-Han Chai, Katherine C M Chew, Eng-Tat Ang, Fai Tsang, Bryce W Q Tan, Eugenia T E Hong, Abu Bakar Ali Asad, Kai-Hsiang Chuang, Kah-Leong Lim, Tuck Wah Soong
Exposure to divalent metals such as iron and manganese is thought to increase the risk for Parkinson's disease (PD). Under normal circumstances, cellular iron and manganese uptake is regulated by the divalent metal transporter 1 (DMT1). Accordingly, alterations in DMT1 levels may underlie the abnormal accumulation of metal ions and thereby disease pathogenesis. Here, we have generated transgenic mice overexpressing DMT1 under the direction of a mouse prion promoter and demonstrated its robust expression in several regions of the brain...
July 10, 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/28693413/transcriptome-profiling-analysis-reveals-metabolic-changes-across-various-growth-phases-in-bacillus-pumilus-ba06
#20
Lin-Li Han, Huan-Huan Shao, Yong-Cheng Liu, Gang Liu, Chao-Ying Xie, Xiao-Jie Cheng, Hai-Yan Wang, Xue-Mei Tan, Hong Feng
BACKGROUND: Bacillus pumilus can secret abundant extracellular enzymes, and may be used as a potential host for the industrial production of enzymes. It is necessary to understand the metabolic processes during cellular growth. Here, an RNA-seq based transcriptome analysis was applied to examine B. pumilus BA06 across various growth stages to reveal metabolic changes under two conditions. RESULTS: Based on the gene expression levels, changes to metabolism pathways that were specific to various growth phases were enriched by KEGG analysis...
July 11, 2017: BMC Microbiology
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