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nac transcription factor

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https://www.readbyqxmd.com/read/28901448/exposure-of-keratinocytes-to-non%C3%A2-thermal-dielectric-barrier-discharge-plasma-increases-the-level-of-8%C3%A2-oxoguanine-via-inhibition-of-its-repair-enzyme
#1
Ki Cheon Kim, Madduma Hewage Susara Ruwan Kumara, Kyoung Ah Kang, Mei Jing Piao, Min Chang Oh, Yea Seong Ryu, Jin Oh Jo, Young Sun Mok, Jennifer H Shin, Yeunsoo Park, Seong Bong Kim, Suk Jae Yoo, Jin Won Hyun
Oxidative stress enhances cellular DNA oxidation and may cause mutations in DNA bases, including 8‑oxoguanine (8‑oxoG). Our recent study reported that exposure of cells to non‑thermal dielectric barrier discharge (DBD) plasma generates reactive oxygen species and damages DNA. The present study investigated the effect of non‑thermal DBD plasma exposure on the formation of 8‑oxoG in HaCaT human keratinocytes. Cells exposed to DBD plasma exhibited increased level of 8‑oxoG. In addition, mRNA and protein expression levels of 8‑oxoguanine glycosylase 1 (OGG1), an 8‑oxoG repair enzyme, were reduced in plasma‑exposed cells...
September 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901327/selective-lesioning-of-nuclear-factor-kb-activated-cells-in-the-nucleus-accumbens-shell-attenuates-alcohol-place-preference
#2
S E Nennig, H D Fulenwider, S H Chimberoff, B M Smith, J E Eskew, M K Sequeira, C Karlsson, C Liang, J Chen, M Heilig, J R Schank
Nuclear factor κ light chain enhancer of activated B cells (NFkB) is a transcription factor commonly associated with innate immunity, and is activated by infection and inflammation. NFkB has recently gained attention as a mediator of complex psychiatric phenomena like stress and addiction. In regards to alcohol, most research on NFkB has focused on neurotoxicity, and few studies have explored the role of NFkB in alcohol reward, reinforcement, or consumption. In these studies, we used conditioned place preference to assess the activity of NFkB in response to rewarding doses of alcohol...
September 13, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28899981/evidence-for-a-role-of-anac082-as-a-ribosomal-stress-response-mediator-leading-to-growth-defects-and-developmental-alterations-in-arabidopsis
#3
Iwai Ohbayashi, Chung-Yi Lin, Naoki Shinohara, Yoko Matsumura, Yasunori Machida, Gorou Horiguchi, Hirokazu Tsukaya, Munetaka Sugiyama
Ribosome-related mutants in Arabidopsis thaliana share several notable characteristics regarding growth and development, which implies the existence of a common pathway that responds to disorders in ribosome biogenesis. As a first step to explore this pathway genetically, we screened a mutagenized population of root initiation defective 2 (rid2), a temperature-sensitive mutant that is impaired in pre-rRNA processing, and isolated suppressor of root initiation defective two 1 (sriw1), a suppressor mutant in which the defects of cell proliferation observed in rid2 at the restrictive temperature was markedly rescued...
September 12, 2017: Plant Cell
https://www.readbyqxmd.com/read/28894298/molecular-basis-of-dendritic-atrophy-and-activity-in-stress-susceptibility
#4
T C Francis, R Chandra, A Gaynor, P Konkalmatt, S R Metzbower, B Evans, M Engeln, T A Blanpied, M K Lobo
Molecular and cellular adaptations in nucleus accumbens (NAc) medium spiny neurons (MSNs) underlie stress-induced depression-like behavior, but the molecular substrates mediating cellular plasticity and activity in MSN subtypes in stress susceptibility are poorly understood. We find the transcription factor early growth response 3 (EGR3) is increased in D1 receptor containing MSNs of mice susceptible to social defeat stress. Genetic reduction of Egr3 levels in D1-MSNs prevented depression-like outcomes in stress susceptible mice by preventing D1-MSN dendritic atrophy, reduced frequency of excitatory input and altered in vivo activity...
September 12, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28892098/correlation-between-e-cadherin-interactions-survivin-expression-and-apoptosis-in-mdck-and-ts-src-mdck-cell-culture-models
#5
Janne Capra, Sinikka Eskelinen
Survivin, a member of inhibitor of apoptosis (IAP) protein family, is a multifunctional protein expressed in most cancers. In addition to inhibition of apoptosis, it regulates proliferation and promotes migration. Its presence and function in cells is strongly regulated via transcription factors, intracellular localization, and degradation. We analyzed the presence of survivin at protein level in various culture environments and under activation of Src tyrosine kinase in epithelial canine kidney MDCK cells in order to elucidate factors controlling survivin 'lifespan'...
September 11, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28891980/sinomenine-hydrochloride-inhibits-human-glioblastoma-cell-growth-through-reactive-oxygen-species-generation-and-autophagy-lysosome-pathway-activation-an-in-vitro-and-in-vivo-study
#6
Yumao Jiang, Yue Jiao, Zhiguo Wang, Tao Li, Yang Liu, Yujuan Li, Xiaoliang Zhao, Danqiao Wang
Glioblastoma is the most common malignant primary brain tumor, and it is one of the causes of cancer fatality in both adult and pediatric populations. Patients with glioblastoma require chemotherapy after surgical resection and radiotherapy. Therefore, chemotherapy constitutes a viable approach for the eradication of glioblastoma cells. In this study, the anti-tumor activity of sinomenine hydrochloride (SH) was evaluated in U87 and SF767 cells in vitro and in vivo. The results showed that SH potently inhibited U87 and SF767 cell viability and did not cause caspase-dependent cell death, as demonstrated by the absence of significant early apoptosis and caspase-3 cleavage...
September 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28889722/effects-of-central-fibroblast-growth-factor-21-fgf21-in-energy-balance
#7
L Recinella, S Leone, C Ferrante, A Chiavaroli, C Di Nisio, S Martinotti, M Vacca, L Brunetti, G Orlando
Fibroblast growth factor 21 (FGF21) is known as a major metabolic regulator of glucose and lipid homeostasis. Continuous intracerebroventricular (i.c.v.) administration of FGF21 was found to modulate feeding and energy expenditure in rats with diet-induced obesity, suggesting a central effect by the peptide. In this context, in the present work, we studied the effects of a single central FGF21 administration (0.5-5 µg) on feeding and energy expenditure by evaluating locomotor activity, interscapular brown adipose tissue (BAT) weight, gene expression of uncoupling protein-1 (UCP-1) in BAT and plasma norepinephrine (NE) levels in Sprague-Dawley fed rats...
September 11, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28884328/the-glycine-soja-nac-transcription-factor-gsnac019-mediates-the-regulation-of-plant-alkaline-tolerance-and-aba-sensitivity
#8
Lei Cao, Yang Yu, Xiaodong Ding, Dan Zhu, Fan Yang, Beidong Liu, Xiaoli Sun, Xiangbo Duan, Kuide Yin, Yanming Zhu
Overexpression of Gshdz4 or GsNAC019 enhanced alkaline tolerance in transgenic Arabidopsis. We proved that Gshdz4 up-regulated both GsNAC019 and GsRD29B but GsNAC019 may repress the GsRD29B expression under alkaline stress. Wild soybean (Glycine soja) has a high tolerance to environmental challenges. It is a model species for dissecting the molecular mechanisms of salt-alkaline stresses. Although many NAC transcription factors play important roles in response to multiple abiotic stresses, such as salt, osmotic and cold, their mode of action in alkaline stress resistance is largely unknown...
September 7, 2017: Plant Molecular Biology
https://www.readbyqxmd.com/read/28871431/involvement-of-nac-transcription-factor-sinac1-in-a-positive-feedback-loop-via-aba-biosynthesis-and-leaf-senescence-in-foxtail-millet
#9
Tingting Ren, Jiawei Wang, Mingming Zhao, Xiaoming Gong, Shuxia Wang, Geng Wang, Chunjiang Zhou
The foxtail millet NAC transcription factor NAC1, an ortholog of Arabidopsis NAP, is induced by ABA and senescence and accelerates leaf senescence by promoting ABA biosynthesis. Leaf senescence, a unique developmental stage involving macromolecule degradation and nutrient remobilization, is finely tuned and tightly controlled by different gene families. NO APICAL MERISTEM, ARABIDOPSIS ATAF1, and CUP-SHAPED COTYLEDON (NAC) transcription factors have been demonstrated to be involved in the modulation of leaf senescence in many land plant species...
September 4, 2017: Planta
https://www.readbyqxmd.com/read/28859611/transcript-profiling-of-genes-expressed-during-fibre-development-in-diploid-cotton-gossypium-arboreum-l
#10
Atul S Hande, Ishwarappa S Katageri, Mangesh P Jadhav, Sateesh Adiger, Savita Gamanagatti, Kethireddy Venkata Padmalatha, Gurusamy Dhandapani, Mogilicherla Kanakachari, Polumetla Ananda Kumar, Vanga Siva Reddy
BACKGROUND: Cotton fibre is a single cell and it is one of the best platforms for unraveling the genes express during various stages of fibre development. There are reports devoted to comparative transcriptome study on fiber cell initiation and elongation in tetraploid cultivated cotton. However, in the present investigation, comparative transcriptome study was made in diploid cultivated cotton using isogenic fuzzy-lintless (Fl) and normal fuzzy linted (FL) lines belong to Gossypium arboreum, diploid species at two stages, 0 and 10 dpa (days post anthesis), using Affymetrix cotton GeneChip genome array...
August 31, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28843134/rdreb1bi-enhances-drought-tolerance-by-activating-aqp-related-genes-in-transgenic-strawberry
#11
Xianbin Gu, Zhihong Gao, Yichao Yan, Xiuyun Wang, Yushan Qiao, Yahua Chen
The dehydration-responsive element binding protein (DREB) family of transcription factors is associated with abiotic stress responses during plant growth and development. This study focussed on the subfamily member DREB1B, which was initially described as highly and specifically responsive to low temperature. However, here it is shown that DREB1B is not only involved in cold tolerance but also other abiotic stress tolerances, such as that of drought. To further understand the genetic improvement effects of the drought tolerance provided by RdreB1BI in transgenic strawberry, drought stress responses of transgenic plants were evaluated at the morphological, physiological, and transcriptional levels...
August 18, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28835647/comparative-transcriptomic-analysis-reveals-the-roles-of-ros-scavenging-genes-in-response-to-cadmium-in-two-pak-choi-cultivars
#12
Rugang Yu, Yunshu Tang, Caifeng Liu, Xueling Du, Chunmei Miao, Gangrong Shi
To identify key regulatory genes involved in ROS scavenging in response to cadmium (Cd) exposure in pak choi, eight cDNA libraries from Cd-treated and Cd-free roots of two cultivars, Baiyewuyueman (high Cd accumulator) and Kuishan'aijiaoheiye (low Cd accumulator), were firstly performed by RNA-sequencing. Totally 0.443 billion clean reads and 244,190 unigenes were obtained from eight transcriptome. About 797 and 1167 unigenes encoding ROS related proteins and transcription factors were identified. Of them, 11 and 16 ROS scavenging system related DEGs, and 29 and 15 transcription factors related DEGs were found in Baiyewuyueman and Kuishan'aijiaoheiye, respectively...
August 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28816938/advanced-glycation-end-products-promote-chrebp-expression-and-cell-proliferation-in-liver-cancer-cells-by-increasing-reactive-oxygen-species
#13
Hanbei Chen, Yakui Li, Yemin Zhu, Lifang Wu, Jian Meng, Ning Lin, Dianqiang Yang, Minle Li, WenJin Ding, Xuemei Tong, Qing Su
The aim of the study was to elucidate the mechanism by which advanced glycation end products (AGEs) promote cell proliferation in liver cancer cells.We treated liver cancer HepG2 cells with 200 mg/L AGEs or bovine serum albumin (BSA) and assayed for cell viability, cell cycle, and apoptosis. We performed real-time PCR and Western blot analysis for RNA and protein levels of carbohydrate responsive element-binding protein (ChREBP) in AGEs- or BSA-treated HepG2 cells. We analyzed the level of reactive oxygen species (ROS) in HepG2 cells treated with AGEs or BSA...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28813015/transcriptional-responses-of-creeping-bentgrass-to-2-3-butanediol-a-bacterial-volatile-compound-bvc-analogue
#14
Yi Shi, Kuiju Niu, Bingru Huang, Wenhui Liu, Huiling Ma
Bacterial volatile compounds (BVCs) have been reported to enhance plant growth and elicit plant defenses against fungal infection and insect damage. The objective of this study was to determine transcriptomic changes in response to synthetic BVC that could be associated with plant resistance to Rhizoctonia solani in creeping bentgrass. The 2,3-butanediol (BD) (250 µM) was sprayed on creeping bentgrass leaves grown in jam jars. The result showed that synthetic BD induced plant defense against R. solani for creeping bentgrass...
August 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28805492/roles-of-rice-phytochrome-interacting-factor-like1-ospil1-in-leaf-senescence
#15
Yasuhito Sakuraba, Eun-Young Kim, Nam-Chon Paek
Rice (Oryza sativa) Phytochrome-Interacting Factor-Like1 (OsPIL1), a basic helix-loop-helix transcription factor, plays an important role in the elongation of internode cells. Recently, we found that OsPIL1 participates in chlorophyll biosynthesis by directly upregulating several genes encoding components of the photosystem apparatus. Here, we show that OsPIL1 negatively regulates leaf senescence in rice. During dark-induced senescence (DIS), ospil1 mutants senesced earlier than wild type; this is opposite to mutants of Arabidopsis PIF4 and PIF5, the closest homologs of OsPIL1...
August 14, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28797236/genome-wide-transcriptome-profiling-provides-overwintering-mechanism-of-agropyron-mongolicum
#16
Jiancai Du, Xiaoquan Li, Tingting Li, Dongyang Yu, Bing Han
BACKGROUND: The mechanism of winter survival for perennials involves multiple levels of gene regulation, especially cold resistance. Agropyron mongolicum is one important perennial grass species, but there is little information regarding its overwintering mechanism. We performed a comprehensive transcriptomics study to evaluate global gene expression profiles regarding the winter survival of Agropyron mongolicum. A genome-wide gene expression analysis involving four different periods was identified...
August 10, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28782589/the-role-of-thioredoxin-1-in-resisting-methamphetamine-induced-rewarding-effect
#17
Mengbing Huang, Lingpin Kong, Lihua Yang, Xiang Li, Xiaoshuang Zhou, Ye Li, Jie Bai
Methamphetamine (METH) is a highly addictive drug of abuse which induces behavioral sensitization and rewarding effects. Thioredoxin-1 (Trx-1) is a redox protein and plays role in regulating activity of transcription factor, such as cAMP responsive element-binding protein (CREB), AP-1, p53, is emerging as an important modulator of neuronal function. It has been reported that Trx-1 is involved in morphine dependence. In this study, we examined the rewarding effect after METH administration by conditioned place preference (CPP) of mice, and detected the levels of dopamine and the activity of cAMP responsive element-binding protein (CREB), the expressions of ΔFosB and cyclin-dependent kinase 5 (CDK5) in the ventral tegmental area (VTA) and nucleus accumbens (NAc) in mice...
August 4, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28776695/three-stress-responsive-nac-transcription-factors-from-populus-euphratica-differentially-regulate-salt-and-drought-tolerance-in-transgenic-plants
#18
Xin Lu, Xiaofei Zhang, Hui Duan, Conglong Lian, Weilun Yin, Xinli Xia
Stress-responsive NAM, ATAF1/2 and CUC2 (SNAC) genes are being used to alter stress tolerance in Arabidopsis or grasses through genetic engineering. However, limited reports are available about the functional characteristics of SNAC in trees. In this study, three putative NAC proteins were identified from Populus euphratica. PeNAC034 and PeNAC045 were classified into the ATAF subgroup andPeNAC036 into the ANAC072 subgroup. These three SNAC transcription factors were localized in the nucleus and contained the transcription activation domain in their C-terminal...
August 4, 2017: Physiologia Plantarum
https://www.readbyqxmd.com/read/28769955/genome-wide-association-study-reveals-candidate-genes-for-control-of-plant-height-branch-initiation-height-and-branch-number-in-rapeseed-brassica-napus-l
#19
Ming Zheng, Cheng Peng, Hongfang Liu, Min Tang, Hongli Yang, Xiaokang Li, Jinglin Liu, Xingchao Sun, Xinfa Wang, Junfeng Xu, Wei Hua, Hanzhong Wang
Plant architecture is crucial for rapeseed yield and is determined by plant height (PH), branch initiation height (BIH), branch number (BN) and leaf and inflorescence morphology. In this study, we measured three major factors (PH, BIH, and BN) in a panel of 333 rapeseed accessions across 4 years. A genome-wide association study (GWAS) was performed via Q + K model and the panel was genotyped using the 60 k Brassica Infinium SNP array. We identified seven loci for PH, four for BIH, and five for BN. Subsequently, by determining linkage disequilibrium (LD) decay associated with 38 significant SNPs, we gained 31, 15, and 17 candidate genes for these traits, respectively...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28751937/myricitrin-modulates-nadph-oxidase-dependent-ros-production-to-inhibit-endotoxin-mediated-inflammation-by-blocking-the-jak-stat1-and-nox2-p47-phox-pathways
#20
Shimei Qi, Zunyong Feng, Qiang Li, Zhilin Qi, Yao Zhang
Myricitrin, a naturally occurring polyphenol hydroxy flavonoid, has been reported to possess anti-inflammatory properties. However, the precise molecular mechanism of myricitrin's effects on LPS-induced inflammation is unclear. In the present study, myricitrin significantly alleviated acute lung injury in mice. Myricitrin also markedly suppressed the production of NO, TNF-α, IL-6, and MCP-1 in RAW264.7 macrophage cells. The inhibition of NO was concomitant with a decrease in the protein and mRNA levels of iNOS...
2017: Oxidative Medicine and Cellular Longevity
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