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https://www.readbyqxmd.com/read/28720813/a-new-prenylated-flavonoid-induces-g0-g1-arrest-and-apoptosis-through-p38-jnk-mapk-pathways-in-human-hepatocellular-carcinoma-cells
#1
Di Wang, Qian Sun, Jie Wu, Wei Wang, Guodong Yao, Tianyang Li, Xue Li, Lingzhi Li, Yan Zhang, Wei Cui, Shaojiang Song
Prenylated flavonoids have been demonstrated to possess diverse bioactivities including antitumor effects. One new, daphnegiravone D (1), and four known (2-5) prenylated flavonoids were isolated from Daphne giraldii. Their cytotoxic activities revealed that daphnegiravone D markedly inhibited the proliferation of cancer cells, but had no apparent cytotoxicity on human normal cells. Mechanistically, daphnegiravone D induced G0/G1 arrest and apoptosis, reduced the expression of cyclin E1, CDK2 and CDK4, and promoted the cleavage of caspase 3 and PARP in Hep3B and HepG2 cells...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28702036/a-feronia-like-receptor-kinase-regulates-strawberry-fragaria-%C3%A3-ananassa-fruit-ripening-and-quality-formation
#2
Meiru Jia, Ning Ding, Qing Zhang, Sinian Xing, Lingzhi Wei, Yaoyao Zhao, Ping Du, Wenwen Mao, Jizheng Li, Bingbing Li, Wensuo Jia
Ripening of fleshy fruits is controlled by a series of intricate signaling processes. Here, we report a FERONIA/FER-like receptor kinase, FaMRLK47, that regulates both strawberry (Fragaria × ananassa) fruit ripening and quality formation. Overexpression and RNAi-mediated downregulation of FaMRLK47 delayed and accelerated fruit ripening, respectively. We showed that FaMRLK47 physically interacts with FaABI1, a negative regulator of abscisic acid (ABA) signaling, and demonstrated that FaMRLK47 regulates fruit ripening by modulating ABA signaling, a major pathway governing strawberry fruit ripening...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28674260/relaxin-ameliorates-renal-fibrosis-and-expression-of-endothelial-cell-transition-markers-in-rats-of-isoproterenol-induced-heart-failure
#3
Gaoshu Zheng, Jiejie Cai, Xingxing Chen, Lingzhi Chen, Wenhua Ge, Xi Zhou, Hao Zhou
There may be cardio-renal interactions in rats of isoproterenol-induced heart failure, which may be associated with renal fibrosis and endothelial-to-mesenchymal transition (EndMT). Since its discovery, relaxin (RLX) which was regarded as a reproductive hormone for a long time, is recently considered an effective antifibrotic hormone in cardiac and renal fibrosis. We studied whether RLX diminished renal fibrosis in rats of isoproterenol (Iso)-induced heart failure and investigated the mechanism. Fifty male Sprague-Dawley rats were separated into five groups for treatment: control; Iso subcutaneously injection to induce heart failure, which led to renal fibrosis; RLX subcutaneously injection at low, medium and high dose (0...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28669004/an-update-epstein-barr-virus-and-immune-evasion-via-microrna-regulation
#4
REVIEW
Lielian Zuo, Wenxin Yue, Shujuan Du, Shuyu Xin, Jing Zhang, Lingzhi Liu, Guiyuan Li, Jianhong Lu
Epstein-Barr virus (EBV) is an oncogenic virus that ubiquitously establishes life-long persistence in humans. To ensure its survival and maintain its B cell transformation function, EBV has developed powerful strategies to evade host immune responses. Emerging evidence has shown that microRNAs (miRNAs) are powerful regulators of the maintenance of cellular homeostasis. In this review, we summarize current progress on how EBV utilizes miRNAs for immune evasion. EBV encodes miRNAs targeting both viral and host genes involved in the immune response...
June 2017: Virologica Sinica
https://www.readbyqxmd.com/read/28661219/feeding-of-the-water-extract-from-ganoderma-lingzhi-to-rats-modulates-secondary-bile-acids-intestinal-microflora-mucins-and-propionate-important-to-colon-cancer
#5
Yongshou Yang, Dwi Eva Nirmagustina, Thanutchaporn Kumrungsee, Yukako Okazaki, Hiroyuki Tomotake, Norihisa Kato
Consumption of reishi mushroom has been reported to prevent colon carcinogenesis in rodents, although the underlying mechanisms remain unclear. To investigate this effect, rats were fed a high-fat diet supplemented with 5% water extract from either the reishi mushroom (Ganoderma lingzhi) (WGL) or the auto-digested reishi G. lingzhi (AWGL) for three weeks. Both extracts markedly reduced fecal secondary bile acids, such as lithocholic acid and deoxycholic acid (colon carcinogens). These extracts reduced the numbers of Clostridium coccoides and Clostridium leptum (secondary bile acids-producing bacteria) in a per g of cecal digesta...
September 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28644006/structure-of-the-forkhead-domain-of-foxa2-bound-to-a-complete-dna-consensus-site
#6
Jun Li, Ana Carolina Dantas Machado, Ming Guo, Jared M Sagendorf, Zhan Zhou, Longying Jiang, Xiaojuan Chen, Daichao Wu, Lingzhi Qu, Zhuchu Chen, Lin Chen, Remo Rohs, Yongheng Chen
FOXA2, a member of the forkhead family of transcription factors, plays essential roles in liver development and bile acid homeostasis. In this study, we report a 2.8 Å co-crystal structure of the FOXA2 DNA-binding domain (FOXA2-DBD) bound to a DNA duplex containing a forkhead consensus binding site (GTAAACA). The FOXA2-DBD adopts the canonical winged-helix fold, with helix H3 and wing 1 regions mainly mediating the DNA recognition. Although the wing 2 region was not defined in the structure, isothermal titration calorimetry assays suggested that this region was required for optimal DNA binding...
July 25, 2017: Biochemistry
https://www.readbyqxmd.com/read/28633896/design-synthesis-and-biological-evaluation-of-novel-3h-imidazole-4-5-b-pyridine-derivatives-as-selective-mtor-inhibitors
#7
Lingzhi Zhang, Tantan Bu, Xiaobo Bao, Tingting Liang, Yiran Ge, Yungen Xu, Qihua Zhu
A series of 3H-imidazo [4,5-b] pyridines derivatives were designed and synthesized as selective mTOR inhibitors. The systematic optimization of the molecules resulted in the identification of two compounds 10d and 10n with nanomolar mTOR inhibitory activity and selectivity over PI3Kα. Besides, compounds 10d and 10n demonstrated attractive potency against human breast cancer cells (MCF-7) and human ovarian cancer cell (A2780).
August 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28627614/caga-promotes-proliferation-and-inhibits-apoptosis-of-ges-1-cells-by-upregulating-traf1-4-1bb
#8
Fen Wang, Nanfang Qu, Jin Peng, Chun Yue, Lingzhi Yuan, Yi Yuan
Cytotoxin-associated gene A (CagA) is one of the most important virulence factors of Helicobacter pylori, and serves a role in H. pylori‑mediated tumorigenesis in gastric cancer. However, the underlying molecular mechanism remains to be elucidated. The present study aimed to investigate the effects of CagA on the proliferation and apoptosis of GES‑1 cells, and the underlying mechanism. A CagA eukaryotic expression plasmid was constructed and transfected into GES‑1 cells. The mRNA and protein levels of CagA, tumor necrosis factor receptor‑associated factor 1 (TRAF1) and tumor necrosis factor receptor superfamily member 9 (4‑1BB) were determined using the reverse transcription‑quantitative polymerase chain reaction and western blot analysis, respectively...
August 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626103/-study-on-lifestyle-in-patients-with-gastroesophageal-%C3%A2-reflux-disease
#9
Lingzhi Yuan, Dan Tang, Jin Peng, Nanfang Qu, Chun Yue, Fen Wang
To investigate the correlation between certain unhealthy lifestyles and the incidence of gastroesophageal reflux disease (GERD), thus to provide the lifestyle guidelines for GERD patients.
 Methods: Retrospective study were conducted for 402 GERD and 276 non-GERD out-patients in Department of Gastroenterology, Third Xiangya Hospital, Central South University from August, 2014 to August, 2015 based on questionnaire survey, then the correlation of unhealthy lifestyles with GERD were analyzed.
 Results: The top 10 common symptoms for GERD were as follows: reflux, acid regurgitation, postprandial fullness, heartburn, swallow obstruction or pain, epigastric burning sensation, paraesthesia pharynges, poststernal pain, chronic laryngopharyngitis, and chronic cough...
May 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28624808/yb-1-regulates-tumor-growth-by-promoting-macc1-c-met-pathway-in-human-lung-adenocarcinoma
#10
Tao Guo, Shilei Zhao, Peng Wang, Xiaoyuan Xue, Yan Zhang, Mengying Yang, Nan Li, Zhuoshi Li, Lingzhi Xu, Lei Jiang, Lei Zhao, Patrick C Ma, Rafael Rosell, Jinxiu Li, Chundong Gu
Aberrant overexpression of the transcription/translation factor Y-box-binding protein (YB-1) is associated with poor prognosis of lung adenocarcinoma, however the underlying mechanism by which YB-1 acts has not been fully elucidated. Here, we reported that inhibition of YB-1 diminished proliferation, migration and invasion of lung adenocarcinoma cells. Interestingly, we identified metastasis associated in colon cancer-1 (MACC1) as a target of YB-1. Depletion of YB-1 markedly decreased MACC1 promoter activity and suppressed the MACC1/c-Met signaling pathway in lung adenocarcinoma cells...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28612911/short-term-efficacy-and-safety-of-three-different-antiplatelet-regimens-in-diabetic-patients-treated-with-primary-percutaneous-coronary-intervention-a-randomized-study
#11
Yang Liu, Hengliang Liu, Yibin Hao, Zhenxuan Hao, Guoying Geng, Wenjie Han, Qi Chen, Danli Wang, Lingzhi Liu, Kailong Jia, Yuxin Zhou
BACKGROUND: This study aimed to investigate the efficacy and safety of dual and triple antiplatelet therapy (DAPT and TAPT) in patients with diabetes and acute ST segment elevation myocardial infarction (D-STEMI), who had undergone primary percutaneous coronary intervention (PCI). METHODS: We designed a phase IV, single-center, randomized, double-blind, placebo-controlled study. The D-STEMI patients (N=258) were randomly divided into three groups. Control group A (85 patients), was treated with aspirin and clopidogrel; group B (87 patients) received aspirin, clopidogrel, and tirofiban; and group C (86 patients) was treated with aspirin, ticagrelor, and tirofiban...
June 14, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28589920/systematic-evaluation-of-the-osteogenic-capacity-of-low-melting-bioactive-glass-reinforced-45s5-bioglass-porous-scaffolds-in-rabbit-femoral-defects
#12
Lei Zhang, Xiurong Ke, Lingzhi Lin, Jun Xiao, Xianyan Yang, Juncheng Wang, Guojing Yang, Sanzhong Xu, Zhongru Gou, Zhanjun Shi
Due to the low strength and high brittleness of 45S5 Bioglass(®), it is still a great challenge for the three-dimensional porous 45S5 Bioglass(®) to treat mechanically required loaded bone defects. Therefore, 45S5 Bioglass(®)-derived bioactive glass-ceramic (BGC) porous scaffolds were fabricated at a low temperature sintering condition with and without the addition of 4% low-melting ZnO/B2O3 (ZB) bioactive glass as a reinforcing agent and using 350- or 500 μm paraffin microspheres as a porogen. The pore structure characterization for the scaffolds indicated that the scaffolds containing 4% ZB had very good macroporous structures of ∼313 and ∼448 μm in pore size and over 70% porosity with appreciable strength (>15 MPa), which was about four times higher than that those manufactured without ZB and with 350 μm porogen scaffolds...
June 7, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28561953/binary-synergistic-sensitivity-strengthening-of-bioinspired-hierarchical-architectures-based-on-fragmentized-reduced-graphene-oxide-sponge-and-silver-nanoparticles-for-strain-sensors-and-beyond
#13
Songfang Zhao, Lingzhi Guo, Jinhui Li, Ning Li, Guoping Zhang, Yongju Gao, Jia Li, Duxia Cao, Wei Wang, Yufeng Jin, Rong Sun, Ching-Ping Wong
Recently, stretchable electronics have been highly desirable in the Internet of Things and electronic skins. Herein, an innovative and cost-efficient strategy is demonstrated to fabricate highly sensitive, stretchable, and conductive strain-sensing platforms inspired by the geometries of a spiders slit organ and a lobsters shell. The electrically conductive composites are fabricated via embedding the 3D percolation networks of fragmentized graphene sponges (FGS) in poly(styrene-block-butadiene-block-styrene) (SBS) matrix, followed by an iterative process of silver precursor absorption and reduction...
May 31, 2017: Small
https://www.readbyqxmd.com/read/28544287/fast-clearable-nanocarriers-conducting-chemo-photothermal-combination-therapy-to-inhibit-recurrence-of-malignant-tumors
#14
Lingzhi Zhao, Wei Yuan, Huijun Phoebe Tham, Hongzhong Chen, Pengyao Xing, Huijing Xiang, Xin Yao, Xiaochen Qiu, Yu Dai, Liangliang Zhu, Fuyou Li, Yanli Zhao
Inhomogeneous heating by photothermal therapy (PTT) during cancer treatment often results in the recurrence of tumors. Thus, integrating PTT with chemotherapy (CHT) may provide a complementary treatment for enhanced therapeutic efficiency. Herein, this study develops a hollow structured polymer-silica nanohybrid (HPSN) as a nanocarrier to simultaneously deliver the anticancer drug paclitaxel and photothermal agent palladium phthalocyanine to tumors through enhanced permeation and the retention effect. A combinational CHT/PTT therapy on mice bearing aggressive tumor grafts is conducted...
May 24, 2017: Small
https://www.readbyqxmd.com/read/28537903/amyloid-precursor-like-protein-1-promotes-jnk-mediated-cell-migration-in-drosophila
#15
Xingjun Wang, Ying Sun, Shilong Han, Chenxi Wu, Yeqing Ma, Yu Zhao, Yingyao Shao, Yujun Chen, Lingzhi Kong, Wenzhe Li, Fan Zhang, Lei Xue
The amyloid precursor like protein-1 (APLP1) is a member of the amyloid precursor protein (APP) family in mammals. While many studies have been focused on the pathologic role of APP in Alzheimer's disease, the physiological functions of APLP1 have remained largely elusive. Here we report that ectopic expression of APLP1 in Drosophila induces cell migration, which is suppressed by the loss of JNK signaling and enhanced by the gain of JNK signaling. APLP1 activates JNK signaling through phosphorylation of JNK, which up-regulates the expression of matrix metalloproteinase MMP1 required for basement membranes degradation and promotes actin remodeling essential for cell migration...
July 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28530827/overexpression-of-the-squalene-epoxidase-gene-alone-and-in-combination-with-the-3-hydroxy-3-methylglutaryl-coenzyme-a-gene-increases-ganoderic-acid-production-in-ganoderma-lingzhi
#16
De-Huai Zhang, Lu-Xi Jiang, Na Li, Xuya Yu, Peng Zhao, Tao Li, Jun-Wei Xu
The squalene epoxidase (SE) gene from the biosynthetic pathway of ganoderic acid (GA) was cloned and overexpressed in Ganoderma lingzhi. The strain that overexpressed the SE produced approximately 2 times more GA molecules than the wild-type (WT) strain. Moreover, SE overexpression upregulated lanosterol synthase gene expression in the biosynthetic pathway. These results indicated that SE stimulates GA accumulation. Then, the SE and 3-hydroxy-3-methylglutaryl coenzyme A (HMGR) genes were simultaneously overexpressed in G...
June 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28510800/structural-modulation-of-gut-microbiota-in-bama-minipigs-in-response-to-treatment-with-a-growth-promoting-agent-salbutamol
#17
Chenyang Lu, Jun Zhou, Yanyan Li, Dijun Zhang, Zuzhong Wang, Ye Li, Lingzhi Cheong, Chundan Zhang, Xiurong Su
Even though salbutamol (SAL) had remarkable effects on the enhancement of growth rate and carcass composition in different livestock species such as cattle, pigs, sheep and poultry, it was banned as a growth promoter because of its adverse effects on health. However, the specific mechanism by which salbutamol enhances growth efficiency remains unknown. In this study, Bama pigs were randomly allocated to receive salbutamol (5 mg/kg) for 30 or 60 days and were compared with untreated pigs. Pigs treated with salbutamol demonstrated enhanced growth rates and carcass composition; however, they showed deterioration in blood biochemical indices and organ development...
May 16, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28499820/he4-expression-in-lung-cancer-a-meta-analysis
#18
REVIEW
Hai Zhong, Yingying Qian, Surong Fang, Linfei Yang, Lingzhi Li, Wei Gu
BACKGROUND: The prognostic role of Human epididymis protein 4 (HE4) expression in lung cancer remains controversial. We performed this meta-analysis to assess the prognostic value of HE4 expression in lung cancer. METHODS: A systematic literature search was conducted to identify eligible studies in PubMed, Embase and Wanfang databases. The pooled hazard ratios (HRs) and their 95% confidence intervals (CIs) were used to assess the relationship. RESULTS: A total of 1412 patients from 8 studies were included in this meta-analysis...
July 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28498557/preparation-of-ultrathin-two-dimensional-tix-ta1-x-sy-oz-nanosheets-as-highly-efficient-photothermal-agents
#19
Chaoliang Tan, Lingzhi Zhao, Peng Yu, Ying Huang, Bo Chen, Zhuangchai Lai, Xiaoying Qi, Min Hao Goh, Xiao Zhang, Shikui Han, Xue-Jun Wu, Zheng Liu, Yanli Zhao, Hua Zhang
Although two-dimensional (2D) metal oxide/sulfide hybrid nanostructures have been synthesized, the facile preparation of ultrathin 2D nanosheets in high yield still remains a challenge. Herein, we report the first high-yield preparation of solution-processed ultrathin 2D metal oxide/sulfide hybrid nanosheets, that is, Tix Ta1-x Sy Oz (x=0.71, 0.49, and 0.30), from Tix Ta1-x S2 precursors. The nanosheet exhibits strong absorbance in the near-infrared region, giving a large extinction coefficient of 54.1 L g(-1)  cm(-1) at 808 nm, and a high photothermal conversion efficiency of 39...
June 26, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28492630/one-step-large-scale-highly-active-g-c3n4-nanosheets-for-efficient-sunlight-driven-photocatalytic-hydrogen-production
#20
Waheed Iqbal, Bocheng Qiu, Juying Lei, Lingzhi Wang, Jinlong Zhang, Masakazu Anpo
The development of highly active, cost-effective, environmentally friendly and stable g-C3N4 based photocatalysts for H2 evolution is one of the most anticipated potential pathways for future hydrogen utilization. Herein, a facile gaseous bubble template approach was designed to prepare large-scale thin g-C3N4 nanosheets (g-C3N4 NSs) using melamine and ammonium sulphate as the bubble template. Through distinctive structural improvements for a large bandgap, excellent electron mobility, prolonged lifetime of the photogenerated charge carriers and a high specific surface area with highly accessible potential reaction sites, the as-synthesized g-C3N4 NSs demonstrated a high photocatalytic hydrogen evolution rate of 9871 μmol h(-1) g(-1) and efficient photocatalytic degradation of Rhodamine B (RhB) and phenol under simulated solar light irradiation...
August 15, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
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