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https://www.readbyqxmd.com/read/29693156/downregulation-of-lgr6-inhibits-proliferation-and-invasion-and-increases-apoptosis-in-human-colorectal-cancer
#1
Fei Wang, Chun-Qian Dai, Li-Rong Zhang, Cao Bing, Jun Qin, Yi-Fei Liu
The aim of the present study was to analyze the role of leucine‑rich repeat‑containing G‑protein coupled receptor 6 (Lgr6) in the proliferation and invasion of colorectal cancer (CRC) cells, and to investigate its possible mechanisms. The expression of Lgr6 in CRC tissues was observed by real time‑quantitative polymerase chain reaction and western blotting. Then cell viability, apoptosis and cell invasion was measured by MTT, flow cytometry or Matrigel‑Transwell system, respectively in CRC cells after transfected with Lgr6 siRNA or Lgr6 vector...
April 18, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29605504/circadian-genes-period1b-and-period2-differentially-regulate-inflammatory-responses-in-zebrafish
#2
Da-Long Ren, Jun-Long Zhang, Lei-Qing Yang, Xiao-Bo Wang, Zong-Yi Wang, Deng-Feng Huang, Chen Tian, Bing Hu
The circadian clock has been shown to regulate various immune processes in different animals. Our previous report demonstrated that the innate immune responses in zebrafish show significant rhythmicity that could be regulated by melatonin. Here, we used diurnal zebrafish to determine the role of circadian genes in the inflammatory responses. Our results indicate that circadian genes exhibit rhythmic oscillations in zebrafish leukocytes, and mutations of the clock genes period1b (per1b) and period2 (per2) considerably affect these oscillations...
March 29, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29434939/identification-of-metabolism-associated-genes-and-pathways-involved-in-different-stages-of-clear-cell-renal-cell-carcinoma
#3
Hui-Juan Li, Wen-Xing Li, Shao-Xing Dai, Yi-Cheng Guo, Jun-Juan Zheng, Jia-Qian Liu, Qian Wang, Bi-Wen Chen, Gong-Hua Li, Jing-Fei Huang
The lack of early diagnostic markers and novel therapeutic targets for clear cell renal cell carcinoma (ccRCC) negatively affects patient prognosis. Cancer metabolism is an attractive area for the understanding of the molecular mechanism of carcinogenesis. The present study attempted to identify metabolic changes from the view of the expression of metabolism-associated genes between control samples and those of ccRCC at different disease stages. Data concerning ccRCC gene expression obtained by RNA-sequencing was obtained from The Cancer Genome Atlas and data on metabolism-associated genes were extracted using the Recon2 model...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29224003/human-leukocyte-antigen-g-inhibits-the-anti-tumor-effect-of-natural-killer-cells-via-immunoglobulin-like-transcript-2-in-gastric-cancer
#4
Rui Wan, Zi-Wei Wang, Hui Li, Xu-Dong Peng, Guang-Yi Liu, Jun-Ming Ou, An-Qi Cheng
BACKGROUND/AIMS: Human leukocyte antigen-G (HLA-G) plays an important role in inhibiting natural killer (NK) cell function and promoting immune escape. However, the specific mechanism of HLA-G on NK in gastric cancer (GC) remains not well understood. This study investigated the expression of HLA-G in GC and the role of HLA-G-effected NK cells in GC progression. METHODS: HLA-G expression in GC tissues obtained from 49 patients with GC was analyzed by immunohistochemistry and western blot...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29142633/risk-factors-of-delayed-surgical-intervention-after-conservatively-treated-acute-traumatic-subdural-hematoma
#5
Hyungjoo Kwon, Kyu-Sun Choi, Hyeong-Joong Yi, Hyoung-Joon Chun, Young-Jun Lee, Dong-Won Kim
Objective: Acute subdural hematoma (ASDH) is generally considered a condition that should be managed surgically. However, some patients initially receive conservative treatment, a subset of whom require surgical intervention later. This study aimed to evaluate the predictors of delayed surgical intervention in ASDH patients who are initially managed conservatively. Methods: From January 2007 to December 2015, 842 patients diagnosed with ASDH were treated at our institution...
November 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28981695/a-comprehensive-analysis-of-transcript-supported-de-novo-genes-in-saccharomyces-sensu-stricto-yeasts
#6
Tzu-Chiao Lu, Jun-Yi Leu, Wen-Chang Lin
Novel genes arising from random DNA sequences (de novo genes) have been suggested to be widespread in the genomes of different organisms. However, our knowledge about the origin and evolution of de novo genes is still limited. To systematically understand the general features of de novo genes, we established a robust pipeline to analyze >20,000 transcript-supported coding sequences (CDSs) from the budding yeast Saccharomyces cerevisiae. Our analysis pipeline combined phylogeny, synteny, and sequence alignment information to identify possible orthologs across 20 Saccharomycetaceae yeasts and discovered 4,340 S...
November 1, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28960890/resistance-mechanism-of-fusarium-fujikuroi-to-phenamacril-in-the-field
#7
Yi-Ping Hou, Xiang-Pu Qu, Xue-Wei Mao, Jing Kuang, Ya-Bing Duan, Xiu-Shi Song, Jian-Xin Wang, Chang-Jun Chen, Ming-Guo Zhou
BACKGROUND: Rice bakanae disease, mainly caused by Fusarium fujikuroi, is an important disease of rice. Phenamacril has been used to control the disease for a few years in China. In 2016, nine phenamacril-resistant strains were found in the field in Zhejiang Province. The aim of the study was to clarify the mechanism of resistance of F. fujikuroi to phenamacril and the fitness of resistant strains. RESULTS: The nine F. fujikuroi strains examined were highly resistant to phenamacril...
March 2018: Pest Management Science
https://www.readbyqxmd.com/read/28945534/rhabdanaerobium-thermarum-gen-nov-sp-nov-a-novel-anaerobic-bacterium-isolated-from-a-hot-spring
#8
Lan Liu, Jian-Yu Jiao, Nimaichand Salam, En-Min Zhou, Bao-Zhu Fang, Wen-Dong Xian, Meng-Meng Li, Yi-Ping Ding, Wen-Jun Li
A novel Gram-stain-positive, obligately anaerobic and thermophilic bacterium, strain SYSU GA15001T , was isolated from a sample collected from a hot spring located in Tengchong, China. Phylogenetic analysis based on the 16S rRNA gene sequence indicated that strain SYSU GA15001T belonged to the family Eubacteriaceae, and was closely related to 'Irregularibacter muris' 2PG-426-CC4.2T (93.6 % similarity), Garciella nitratireducens DSM 15102T (93.2 %) and Alkalibacter saccharofermentans Z-78920T (89.7 %)...
November 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28814445/meeting-report-on-experimental-approaches-to-evolution-and-ecology-using-yeast-and-other-model-systems
#9
Daniel Jarosz, Aimée M Dudley
The fourth EMBO-sponsored conference on Experimental Approaches to Evolution and Ecology Using Yeast and Other Model Systems (https://www.embl.de/training/events/2016/EAE16-01/), was held at the EMBL in Heidelberg, Germany, October 19-23, 2016. The conference was organized by Judith Berman (Tel Aviv University), Maitreya Dunham (University of Washington), Jun-Yi Leu (Academia Sinica), and Lars Steinmetz (EMBL Heidelberg and Stanford University). The meeting attracted ~120 researchers from 28 countries and covered a wide range of topics in the fields of genetics, evolutionary biology, and ecology with a unifying focus on yeast as a model system...
August 16, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28671640/chrysin-attenuates-vcam-1-expression-and-monocyte-adhesion-in-lipopolysaccharide-stimulated-brain-endothelial-cells-by-preventing-nf-%C3%AE%C2%BAb-signaling
#10
Bo Kyung Lee, Won Jae Lee, Yi-Sook Jung
Adhesion of leukocytes to endothelial cells plays an important role in neuroinflammation. Therefore, suppression of the expression of adhesion molecules in brain endothelial cells may inhibit neuroinflammation. Chrysin (5,7-dihydroxyflavone) is a flavonoid component of propolis, blue passion flowers, and fruits. In the present study, we examined the effects of chrysin on lipopolysaccharide (LPS)-induced expression of vascular cell adhesion molecule-1 (VCAM-1) in mouse cerebral vascular endothelial (bEnd.3) cells...
July 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28476759/hla-a-24-02-as-a-common-risk-factor-for-antiepileptic-drug-induced-cutaneous-adverse-reactions
#11
MULTICENTER STUDY
Yi-Wu Shi, Fu-Li Min, Dong Zhou, Bin Qin, Juan Wang, Fa-Yun Hu, Ying-Kit Cheung, Jin-Hua Zhou, Xiang-Shu Hu, Jue-Qian Zhou, Lie-Min Zhou, Zhong-Zheng Zheng, Jie Pan, Na He, Zhi-Sheng Liu, Yun-Qi Hou, Kheng-Seang Lim, Yang-Mei Ou, Amy Hui-Ping Khor, Ching-Ching Ng, Bi-Jun Mao, Xiao-Rong Liu, Bing-Mei Li, Yao-Yun Kuan, Yong-Hong Yi, Xue-Lian He, Xiao-Yan Deng, Tao Su, Patrick Kwan, Wei-Ping Liao
OBJECTIVE: To investigate the involvement of human leukocyte antigen (HLA) loci in aromatic antiepileptic drug-induced cutaneous adverse reactions. METHODS: A case-control study was performed to detect HLA loci involved in aromatic antiepileptic drug-induced Stevens-Johnson syndrome in a southern Han Chinese population. Between January 1, 2006, and December 31, 2015, 91 cases of Stevens-Johnson syndrome induced by aromatic antiepileptic drugs and 322 matched drug-tolerant controls were enrolled from 8 centers...
June 6, 2017: Neurology
https://www.readbyqxmd.com/read/28348007/genome-wide-analysis-of-dna-methylation-and-acute-coronary-syndrome
#12
Jun Li, Xiaoyan Zhu, Kuai Yu, Haijing Jiang, Yizhi Zhang, Siyun Deng, Longxian Cheng, Xuezhen Liu, Jia Zhong, Xiaomin Zhang, Meian He, Weihong Chen, Jing Yuan, Ming Gao, Yansen Bai, Xu Han, Bing Liu, Xiaoting Luo, Wenhua Mei, Xiaosheng He, Shunchang Sun, Liyun Zhang, Hesong Zeng, Huizhen Sun, Chuanyao Liu, Yanjun Guo, Bing Zhang, Zhihong Zhang, Jinyan Huang, An Pan, Yu Yuan, Francesca Angileri, Bingxia Ming, Fang Zheng, Qiutang Zeng, Xiaobo Mao, Yudong Peng, Yi Mao, Ping He, Qing K Wang, Lu Qi, Frank B Hu, Liming Liang, Tangchun Wu
RATIONALE: Acute coronary syndrome (ACS) is a leading cause of death worldwide. Immune functions play a vital role in ACS development; however, whether epigenetic modulation contributes to the regulation of blood immune cells in this disease has not been investigated. OBJECTIVE: We conducted an epigenome-wide analysis with circulating immune cells to identify differentially methylated genes in ACS. METHODS AND RESULTS: We examined genome-wide methylation of whole blood in 102 ACS patients and 101 controls using HumanMethylation450 array, and externally replicated significant discoveries in 100 patients and 102 controls...
May 26, 2017: Circulation Research
https://www.readbyqxmd.com/read/28340427/identification-and-characterization-of-a-%C3%AE-defensin-gene-involved-in-the-immune-defense-response-of-channel-catfish-ictalurus-punctatus
#13
Jieyao Zhu, Hong Wang, Jun Wang, Xingli Wang, Shuang Peng, Yi Geng, Kaiyu Wang, Pin Ouyang, Zhiqiong Li, Xiaoli Huang, Defang Chen
Antimicrobial peptides are small peptides that play important roles in a host's innate immune response. As an important antimicrobial peptide, β-defensin widely distribute in mammals, insects and plants with broad-spectrum antimicrobial activity. In this study, the β-defensin gene of the channel catfish, Ictalurus punctatus, was cloned, sequenced, and subjected to a bioinformatic analysis. The β-defensin gene of the channel catfish contains three exons and two introns, and encodes a precursor peptide consisting of two domains: a signal peptide of 24 amino acid residues and a mature peptide of 43 amino acid residues...
May 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28333931/differential-gene-expression-in-patients-with-subsyndromal-symptomatic-depression-and-major-depressive-disorder
#14
Chengqing Yang, Guoqin Hu, Zezhi Li, Qingzhong Wang, Xuemei Wang, Chengmei Yuan, Zuowei Wang, Wu Hong, Weihong Lu, Lan Cao, Jun Chen, Yong Wang, Shunying Yu, Yimin Zhou, Zhenghui Yi, Yiru Fang
BACKGROUND: Subsyndromal symptomatic depression (SSD) is a subtype of subthreshold depressive and can lead to significant psychosocial functional impairment. Although the pathogenesis of major depressive disorder (MDD) and SSD still remains poorly understood, a set of studies have found that many same genetic factors play important roles in the etiology of these two disorders. Nowadays, the differential gene expression between MDD and SSD is still unknown. In our previous study, we compared the expression profile and made the classification with the leukocytes by using whole-genome cRNA microarrays among drug-free first-episode subjects with SSD, MDD and matched healthy controls (8 subjects in each group), and finally determined 48 gene expression signatures...
2017: PloS One
https://www.readbyqxmd.com/read/28282411/coevolution-with-bacteria-drives-the-evolution-of-aerobic-fermentation-in-lachancea-kluyveri
#15
Nerve Zhou, Krishna B S Swamy, Jun-Yi Leu, Michael J McDonald, Silvia Galafassi, Concetta Compagno, Jure Piškur
The Crabtree positive yeasts, such as Saccharomyces cerevisiae, prefer fermentation to respiration, even under fully aerobic conditions. The selective pressures that drove the evolution of this trait remain controversial because of the low ATP yield of fermentation compared to respiration. Here we propagate experimental populations of the weak-Crabtree yeast Lachancea kluyveri, in competitive co-culture with bacteria. We find that L. kluyveri adapts by producing quantities of ethanol lethal to bacteria and evolves several of the defining characteristics of Crabtree positive yeasts...
2017: PloS One
https://www.readbyqxmd.com/read/28266220/metabolic-mechanism-for-l-leucine-induced-metabolome-to-eliminate-streptococcus-iniae
#16
Chao-Chao Du, Man-Jun Yang, Min-Yi Li, Jun Yang, Bo Peng, Hui Li, Xuan-Xian Peng
Crucial metabolites that modulate hosts' metabolome to eliminate bacterial pathogens have been documented, but the metabolic mechanisms are largely unknown. The present study explores the metabolic mechanism for l-leucine-induced metabolome to eliminate Streptococcus iniae in tilapia. GC-MS-based metabolomics was used to investigate the tilapia liver metabolic profile in the presence of exogenous l-leucine. Thirty-seven metabolites of differential abundance were determined, and 11 metabolic pathways were enriched...
May 5, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28245931/disruption-of-thyroid-hormone-th-levels-and-th-regulated-gene-expression-by-polybrominated-diphenyl-ethers-pbdes-polychlorinated-biphenyls-pcbs-and-hydroxylated-pcbs-in-e-waste-recycling-workers
#17
Jing Zheng, Chun-Tao He, She-Jun Chen, Xiao Yan, Mi-Na Guo, Mei-Huan Wang, Yun-Jiang Yu, Zhong-Yi Yang, Bi-Xian Mai
Polybrominated diphenyl ethers (PBDEs) and polychlorinated biphenyls (PCBs) are the primary toxicants released by electronic waste (e-waste) recycling, but their adverse effects on people working in e-waste recycling or living near e-waste sites have not been studied well. In the present study, the serum concentrations of PBDEs, PCBs, and hydroxylated PCBs, the circulating levels of thyroid hormones (THs), and the mRNA levels of seven TH-regulated genes in peripheral blood leukocytes of e-waste recycling workers were analyzed...
May 2017: Environment International
https://www.readbyqxmd.com/read/28131193/the-heterozygous-r1441c-mutation-of-leucine-rich-repeat-kinase-2-gene-in-a-chinese-patient-with-parkinson-disease-a-five-year-follow-up-and-literatures-review
#18
REVIEW
Fang Peng, Yi-Min Sun, Chen Chen, Su-Shan Luo, Da-Ke Li, Yi-Xuan Wang, Ke Yang, Feng-Tao Liu, Chuan-Tao Zuo, Zheng-Tong Ding, Yu An, Jian-Jun Wu, Jian Wang
BACKGROUND: Leucine-rich repeat kinase 2 gene (LRRK2) was recognized associated with both familial and sporadic Parkinson Disease (PD). Seven missense mutations (G2019S, R1441C, R1441G, R1441H, Y1699C, I2020T, N1437H) of it have been confirmed disease- causing. They were common among Caucasian PD patients, but rarely reported in Asian, especially in Chinese Han population. OBJECTIVES: We aimed to identify the frequencies of these seven mutations of LRRK2 in Chinese early-onset PD (EOPD) patients and analyze the phenotypes...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28105204/combining-fisetin-and-ionizing-radiation-suppresses-the-growth-of-mammalian-colorectal-cancers-in-xenograft-tumor-models
#19
Jyh-Der Leu, Bo-Shen Wang, Shu-Jun Chiu, Chun-Yuan Chang, Chien-Chih Chen, Fu-Du Chen, Shiirevnyamba Avirmed, Yi-Jang Lee
Fisetin (3,7,3',4'-tetrahydroxyflavone), which belongs to the flavonoid group of polyphenols and is found in a wide range of plants, has been reported to exhibit a number of biological activities in human cancer cells, including antioxidant, anti-inflammatory, antiangiogenic, anti-invasive and antiproliferative effects. Although previous in vitro studies have shown that fisetin treatment increases the apoptotic rate and enhances the radiosensitivity of human colorectal cancer cells, the in vivo effects of fisetin on tumor growth remain unclear...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/27920033/mitochondrial-nuclear-co-evolution-leads-to-hybrid-incompatibility-through-pentatricopeptide-repeat-proteins
#20
Han-Ying Jhuang, Hsin-Yi Lee, Jun-Yi Leu
Mitochondrial-nuclear incompatibility has a major role in reproductive isolation between species. However, the underlying mechanism and driving force of mitochondrial-nuclear incompatibility remain elusive. Here, we report a pentatricopeptide repeat-containing (PPR) protein, Ccm1, and its interacting partner, 15S rRNA, to be involved in hybrid incompatibility between two yeast species, Saccharomyces cerevisiae and Saccharomyces bayanus S. bayanus-Ccm1 has reduced binding affinity for S. cerevisiae-15S rRNA, leading to respiratory defects in hybrid cells...
January 2017: EMBO Reports
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