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DNA and Cell Biology

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https://www.readbyqxmd.com/read/30427730/re-cxcr5-cd8-t-cells-indirectly-offer-b-cell-help-and-are-inversely-correlated-with-viral-load-in-chronic-hepatitis-b-infection-by-jiang-et-al-dna-cell-biol-2017-36-321-327
#1
Jiaoli Zhang, Zhenni Wang, Wei Yang, Jungang Zhang, Yong Wang, Jinlin Liu
No abstract text is available yet for this article.
November 14, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30427704/consumer-antimicrobials-on-gut-microbiota-and-gut-health
#2
Haixia Yang, Weicang Wang, Guodong Zhang
Triclosan (TCS) is a high-volume chemical used as an antimicrobial ingredient in over 2000 consumer products such as toothpastes, cosmetics, and toys. Due to its widespread use, it causes ubiquitous contamination in the environment and is frequently detected in the human body, raising concerns about its impact on environmental pollution and human health. Our recent study showed that short-time exposure to low-dose TCS causes colonic inflammation, increases severity of colitis, and exacerbates colitis-associated colon tumorigenesis in mice, through gut microbiota- and Toll-like receptor 4 (TLR4)-dependent mechanisms...
November 14, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30427699/mir-196a-promotes-proliferation-and-inhibits-apoptosis-of-immature-porcine-sertoli-cells
#3
Shaoxuan Zhang, Jia Guo, Mengdi Liang, Jiajia Qi, Zhenbo Wang, Xinrui Jian, Zhibin Zhang, Boxing Sun, Zhaohua Li
Our previous study showed that the expression of miR-196a was significantly higher in immature porcine testes than in mature porcine testes. However, the role of miR-196a in immature Sertoli cells remains unclear. In this study, miR-196a mimics, miR-196a inhibitor, and microRNA-small hairpin negative control (miRNA-ShNC) were transfected into immature Sertoli cells, respectively. Subsequently, the cell cycle and apoptosis rate of the immature Sertoli cells were measured by flow cytometry, and the viability of the Sertoli cells was measured by the MTS assay...
November 14, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30403540/liraglutide-promotes-the-osteogenic-differentiation-in-mc3t3-e1-cells-via-regulating-the-expression-of-smad2-3-through-pi3k-akt-and-wnt-%C3%AE-catenin-pathways
#4
Liu Gao, Shi-Lun Li, Yu-Kun Li
Diabetes is a worldwide health problem with increasing prevalence. Some reports indicate the interplay between bone and glucose metabolism. The imbalance between bone resorption and formation resulted in the structural integrity and strength of bone. Glucagon-like peptide-1 (GLP-1) and its agonists (Liraglutide) have an anabolic action on bone remodeling by stimulating osteoblast differentiation as well as increasing osteoblast longevity. However, the underlying mechanisms remain elusive. We detected the presence of GLP-1 receptor (GLP-1R) in MC3T3-E1 cells via immunocytochemistry assay...
November 7, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30403536/biology-of-tumor-associated-macrophages-in-diffuse-large-b-cell-lymphoma
#5
Weimin Huang, Xiaolei Wei, Yongqiang Wei, Ru Feng
The tumor associated microenvironment is known to play a vital role during the development and progression of different malignant tumors. As a part of tumor microenvironment, tumor associated macrophages (TAMs) are crucial for the genesis, proliferation, metastasis, and survival of tumor cells. Recently, more and more studies showed that TAMs were related with poor clinical status and survival in patients with diffuse large B cell lymphoma (DLBCL). Considering the complex roles which TAMs play in the tumor microenvironment of DLBCL, the aim of this study was to review the biological mechanisms between TAMs and DLBCL cells, including extracellular matrix remodeling and angiogenesis promotion, tumor promotion, immune suppression, and phagocytosis inhibition...
November 7, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30388038/characterization-of-mdpl-fibroblasts-carrying-the-recurrent-p-ser605del-mutation-in-pold1-gene
#6
Chiara Fiorillo, Maria Rosaria D'Apice, Federica Trucco, Michela Murdocca, Paola Spitalieri, Stefania Assereto, Serena Baratto, Guido Morcaldi, Carlo Minetti, Federica Sangiuolo, Giuseppe Novelli
Mandibular hypoplasia, deafness, and progeroid features, with concomitant lipodystrophy, define a multisystem disorder named MDPL syndrome. MDPL has been associated with heterozygous mutations in POLD1 gene resulting in loss of DNA polymerase δ activity. In this study, we report clinical, genetic, and cellular studies of a 13-year-old Pakistani girl, presenting growth retardation, sensorineural deafness, altered distribution of subcutaneous adipose tissue, and insulin resistance. We performed Sanger sequencing of POLD1 gene in the proband and the healthy parents...
November 2, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30388035/circular-rna-hsa_circ_0074362-promotes-glioma-cell-proliferation-migration-and-invasion-by-attenuating-the-inhibition-of-mir-1236-3p-on-hoxb7-expression
#7
Xingbang Duan, Danlin Liu, Yue Wang, Zhiqiang Chen
As a novel type of noncoding RNAs, circular RNAs (circRNAs) have been acknowledged as pivot effectors in multiple physiological and pathological processes, including cancer. Although an increasing number of circRNAs are gradually discovered, their function and mechanism in tumorigenesis remain largely unknown. In this study, we identified hsa_circ_0074362 as an oncogene in glioma. We examined hsa_circ_0074362 expression in glioma tissues and cell lines by qRT-PCR and investigated its functions by using CCK8 and transwell assays...
November 2, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30383435/discovery-of-key-genes-in-dermatomyositis-based-on-the-gene-expression-omnibus-database
#8
Shuoshan Xie, Hui Luo, Huali Zhang, Honglin Zhu, Xiaoxia Zuo, Sijia Liu
The aim of this study was to identify biomarkers of dermatomyositis (DM). The analysis was conducted by retrieving DM-related cDNA microarray data sets from public databases. Gene ontology, Kyoto encyclopedia of genes and genomes, and protein-protein interaction analyses were performed, together with quantitative PCR-based detection of biomarkers in muscle tissue after stimulation with serum from patients with DM or healthy controls. Our analysis of five microarray data sets identified 20 common differentially expressed genes that are closely associated with DM...
October 31, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30376373/modulation-of-igf1r-signaling-pathway-by-gigyf1-in-high-glucose-induced-shsy-5y-cells
#9
Ting Zhou, Yuefei Ma, Juan Tang, Fengqi Guo, Mingxia Dong, Qianping Wei
Grb10 (growth factor receptor-bound protein 10)-interacting GYF protein 1 (GIGYF1) can modulate insulin-like growth factor 1 receptor (IGF1R) signaling pathway, which plays an important role in regulating diabetes-associated cognitive impairment, by linking to Grb10 adapter. However, it remains unclear whether endogenous GIGYF1 expression is associated with the development of diabetes-related cognitive impairment. In this study, we measured the expression level of GIGYF1, Grb10, phosphorylated IGF1R/IGF1R, phosphorylated AKT serine/threonine protein kinase/protein kinase B (AKT)/AKT, and phosphorylated extracellular signal-regulated kinase (ERK)/ERK in human neuroblastoma SHSY-5Y cells...
October 30, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30362823/long-noncoding-rna-prrg4-4-promotes-viability-cell-cycle-migration-and-invasion-in-lung-cancer-cells
#10
Yuanyuan Wang, Wei Gong, Shiyu Zhou, Lei Yang, Fuman Qiu, Mingzhu Lin, Wenpeng Su, Wenjing Nie, Soham Datta, Boqi Rao, Jianfeng Xian, Yingyi Feng, Xin Zhang, Yifeng Zhou, Xingcheng Gao, Jiachun Lu
There is a perception that long noncoding RNA (lncRNA) has relationship with carcinogenesis. Many studies have previously identified and validated that the section of chromosome 11p13 is associated with high incidence of tumor. In this study, we investigated a new lncRNA, named lncPRRG4-4, mapped to 11p13 and suspected that lncPRRG4-4 was a potential lung cancer-related gene. To explore its role in carcinogenesis, we first demonstrated that lncPRRG4-4 was upregulated in lung cancer tissues compared with adjacent nontumor tissues and functioned as an oncogene in lung cancer cells...
October 26, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30351203/inhibitory-effect-of-crocin-on-metastasis-of-triple-negative-breast-cancer-by-interfering-with-wnt-%C3%AE-catenin-pathway-in-murine-model
#11
Laleh Arzi, Ali Farahi, Nazli Jafarzadeh, Gholamhossein Riazi, Majid Sadeghizadeh, Reyhane Hoshyar
Triple-negative breast cancer (TNBC) is the most metastatic subtype of breast cancer and cannot be controlled with any standard-of-care therapy. However, various studies have recommended medicinal plants as complementary treatments for cancer. In particular, crocin, the main bioactive carotenoid of saffron, has exhibited anticancer effects on primary tumors. This research, for the first time, investigated the antimetastatic potency of crocin on murine model of metastatic TNBC and its effect on the Wnt/β-catenin pathway...
October 23, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30351170/polymorphisms-of-fam167a-blk-region-confer-risk-of-autoimmune-thyroid-disease
#12
Rong-Hua Song, Qian Li, Xi Jia, Qiu-Ming Yao, Bin Wang, Jin-An Zhang
The present study was to explore whether the polymorphisms of FAM167 A-BLK region are associated with the susceptibility to autoimmune thyroid disease (AITD). The second sequencing technology was undertaken for seven tag loci mapping of the FAM167 A-BLK region, namely, rs11250144, rs2618431, rs4840568, rs13277113, rs2248932, rs2736340, and rs922483, in 999 AITD patients, including 624 Graves' disease (GD) and 375 Hashimoto's thyroiditis individuals, and 797 healthy cohorts. In contrast to those in controls, allele C of rs11250144 and allele G of rs2618431 both showed increased frequencies in GD patients...
October 23, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30346835/the-relationship-between-dna-methylation-in-key-region-and-the-differential-expressions-of-genes-in-human-breast-tumor-tissue
#13
Wen Jin, Qian-Zhong Li, Yong-Chun Zuo, Yan-Ni Cao, Lu-Qiang Zhang, Rui Hou, Wen-Xia Su
Breast cancer has a high mortality rate for females. Aberrant DNA methylation plays a crucial role in the occurrence and progression of breast carcinoma. By comparing DNA methylation differences between tumor breast tissue and normal breast tissue, we calculate and analyze the distributions of the hyper- and hypomethylation sites in different function regions. Results indicate that enhancer regions are often hypomethylated in breast cancer. CpG islands (CGIs) are mainly hypermethylated, while the flanking CGI (shores and shelves) is more easily hypomethylated...
October 20, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30328712/inhibition-of-pla2g4a-reduces-the-expression-of-lung-cancer-related-cytokines
#14
Weiwei Zhang, Xiumei Wang, Liangming Zhang, Dongmei Geng, Yanchun Wang, Dengjun Sun, Ping Sui, Xuan Zhao, Chunxia Xin, Jing Jiang, Minghua Sui
Phospholipase A2-IVA (PLA2G4A) is the most abundant subtype of cytoplasmic phospholipase A2 (cPLA2) and is an important enzyme in tumor development. Our study aimed to explore the role of PLA2G4A in the regulation of lung cancer. The contents of cell-related cytokines (microsomal prostaglandin E synthase-1 [mPGES], PGE2, and prostacyclin [PGI2]) in A549 cells were analyzed by ELISA kits. Cell counting kit-8 (CCK8) was used to detect the effects of inhibitor of cPLA2 (arachidonyl trifluoromethyl ketone [AACOCF3]) on the proliferation of A549 cells...
October 16, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30328705/transcriptome-comparative-analysis-of-salt-stress-responsiveness-in-chrysanthemum-dendranthema-grandiflorum-roots-by-illumina-and-single-molecule-real-time-based-rna-sequencing
#15
Qian Zhao, Ling He, Bei Wang, Qing-Lin Liu, Yuan-Zhi Pan, Fan Zhang, Bei-Bei Jiang, Lei Zhang, Guang-Li Liu, Yin Jia
Salt response has long been considered a polygenic-controlled character in plants. Under salt stress conditions, plants respond by activating a great amount of proteins and enzymes. To develop a better understanding of the molecular mechanism and screen salt responsive genes in chrysanthemum under salt stress, we performed the RNA sequencing (RNA-seq) on both salt-processed chrysanthemum seedling roots and the control group, and gathered six cDNA databases eventually. Moreover, to overcome the Illumina HiSeq technology's limitation on sufficient length of reads and improve the quality and accuracy of the result, we combined Illumina HiSeq with single-molecule real-time sequencing (SMRT-seq) to decode the full-length transcripts...
October 16, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30325653/glycyrrhizin-a-potential-drug-for-autoimmune-encephalomyelitis-by-inhibiting-high-mobility-group-box-1
#16
Jun Li, Junyu Shi, Yan Sun, Fang Zheng
Autoimmune encephalomyelitis is a chronic autoimmune disease caused by immune-mediated sterile inflammatory response and demyelination in the central nervous system (CNS). High-mobility group box protein 1 (HMGB1) is a ubiquitous nuclear protein, which can be released from damaged cells and induce proinflammatory responses in autoimmune encephalomyelitis. Glycyrrhizin (GL), a major constituent of licorice root, can inhibit the proinflammatory bioactivities of HMGB1. In this article, we bring some insight into the effects of GL on CNS inflammatory diseases and discuss the therapeutic potential of GL in autoimmune encephalomyelitis in the future...
October 16, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30300564/bioinformatics-analysis-and-competitive-regulation-by-transcription-factors-of-sirt5-at-the-core-promoter-region-using-bovine-adipocytes
#17
Jieyun Hong, Chugang Mei, Xiaoyu Wang, Gong Cheng, Linsen Zan
Sirtuin 5 (SIRT5) belongs to the mitochondrial sirtuin family, which constitutes a highly conserved family of nicotinamide adenine dinucleotide NAD+ -dependent deacetylases and ADP-ribosyltransferases that play an important regulatory role in stress resistance and metabolic homeostasis. SIRT5, a member of the mitochondrial sirtuins, has been confirmed to exhibit deacetylase, desuccinylase, and demalonylase enzymatic activities. First, we showed that SIRT5 was expressed at the highest level in the bovine testis, followed by longissimus thoracis and subcutaneous adipose tissue, using real-time quantitative PCR and mRNA levels of SIRT5 during adipocyte differentiation, which increased before the first day and then decreased rapidly...
October 9, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30277813/genome-wide-dna-methylation-profile-of-gene-cis-acting-element-methylations-in-all-trans-retinoic-acid-induced-mouse-cleft-palate
#18
Xuan Shu, Shenyou Shu, Yuxia Zhai, Lin Zhu, Zhan Ouyang
DNA methylation epigenetically regulates gene expression. This study is aimed to investigate genome-wide DNA methylations involved in the regulation of palatal fusion in the all-trans retinoic acid-induced mouse cleft palate model. There were 4,718,556 differentially CCGG methylated sites and 367,504 CCWGG methylated sites for 1497 genes between case and control embryonic mouse palatal tissues. The enhancers (HDAC4 and SMAD3) and promoter (MID1) of these three genes had cis-acting element methylation. HDAC4 is localized within the CCWGG, while MID1 and SMAD3 are localized within the CCGG of the gene intron...
October 2, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30277801/promoter-haplotypes-of-the-abcb1-gene-encoding-the-p-glycoprotein-differentially-affect-its-promoter-activity-by-altering-transcription-factor-binding
#19
Jordan T Speidel, Meixiang Xu, Sherif Z Abdel-Rahman
Promoter single nucleotide polymorphisms (SNPs) of the ABCB1 gene, encoding the placental efflux transporter P-glycoprotein, can alter its expression and affect fetal exposure to therapeutics and environmental xenobiotics. SNPs are not arrayed as independent variants but as combinations forming defined haplotypes. Recently, we defined the haplotypes encompassing ABCB1 promoter SNPs and found that ABCB1 haplotypes differentially affect its promoter activity. The mechanism(s) by which ABCB1 haplotypes alter its promoter activity are not known...
October 2, 2018: DNA and Cell Biology
https://www.readbyqxmd.com/read/30277797/leukocyte-telomere-length-and-clinical-outcomes-of-advanced-lung-adenocarcinoma-patients-with-epidermal-growth-factor-receptor-tyrosine-kinase-inhibitors-treatment
#20
Ji Li, Li Zhang, Hui Zhu, Wenting Pan, Nasha Zhang, Yankang Li, Ming Yang
Gefitinib is currently one of the mostly used epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs) recommended for treating nonsmall cell lung cancer. However, drug resistance is observed among the majority of patients after initial treatment. Factors that predict treatment prognosis and drug resistance to EGFR-TKIs remain elusive. The objective of this study is to investigate whether leukocyte relative telomere length (RTL) can be used as a prognostic biomarker of EGFR-TKIs therapy. In this study, 369 patients with stage IIIB or IV lung adenocarcinoma were recruited and treated with gefitinib as first-line monotherapy...
October 2, 2018: DNA and Cell Biology
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