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signal transduction pathway

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https://www.readbyqxmd.com/read/28927022/salt-stress-response-mechanisms-using-de-novo-transcriptome-sequencing-of-salt-tolerant-and-sensitive-corchorus-spp-genotypes
#1
Zemao Yang, Ruike Lu, Zhigang Dai, An Yan, Qing Tang, Chaohua Cheng, Ying Xu, Wenting Yang, Jianguang Su
High salinity is a major environmental stressor for crops. To understand the regulatory mechanisms underlying salt tolerance, we conducted a comparative transcriptome analysis between salt-tolerant and salt-sensitive jute (Corchorus spp.) genotypes in leaf and root tissues under salt stress and control conditions. In total, 68,961 unigenes were identified. Additionally, 11,100 unigenes (including 385 transcription factors (TFs)) exhibited significant differential expression in salt-tolerant or salt-sensitive genotypes...
September 18, 2017: Genes
https://www.readbyqxmd.com/read/28927013/transcription-factors-responding-to-pb-stress-in-maize
#2
Yanling Zhang, Fei Ge, Fengxia Hou, Wenting Sun, Qi Zheng, Xiaoxiang Zhang, Langlang Ma, Jun Fu, Xiujing He, Huanwei Peng, Guangtang Pan, Yaou Shen
Pb can damage the physiological function of human organs by entering the human body via food-chain enrichment. Revealing the mechanisms of maize tolerance to Pb is critical for preventing this. In this study, a Pb-tolerant maize inbred line, 178, was used to analyse transcription factors (TFs) expressed under Pb stress based on RNA sequencing data. A total of 464 genes expressed in control check (CK) or Pb treatment samples were annotated as TFs. Among them, 262 differentially expressed transcription factors (DETs) were identified that responded to Pb treatment...
September 18, 2017: Genes
https://www.readbyqxmd.com/read/28926923/involvement-of-mapk-nf-%C3%AE%C2%BAb-signal-transduction-pathways-camellia-japonica-mitigates-inflammation-and-gastric-ulcer
#3
Md Rashedunnabi Akanda, Byung-Yong Park
Gastric ulcer is an important risk factor for human health globally. Camellia japonica (CJ) is a plant of which the fruits are used as traditional phytomedicine for inflammatory and immunomodulatory diseases; however, the underlying molecular mechanism has not been clarified. The present study aimed to investigate the immunopharmacological activities of Camellia japonica and validate its pharmacological targets. To evaluate the protective roles of Camellia japonica on LPS-induced inflammation in RAW 264.7 cells and HCl/EtOH-induced gastric ulcer in mice; we applied 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), nitric oxide (NO), reactive oxygen species (ROS), histopathology, malondialdehyde (MDA), quantitative real-time polymerase chain reaction (qPCR), immunohistochemistry (IHC), and western blot analyses...
September 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28926798/cloning-and-expression-profiling-of-the-pacsnrk2-and-pacpp2c-gene-families-during-fruit-development-aba-treatment-and-dehydration-stress-in-sweet-cherry
#4
Xinjie Shen, Xiao Guo, Di Zhao, Qiang Zhang, Yuzhuang Jiang, Yantao Wang, Xiang Peng, Yan Wei, Zefeng Zhai, Wei Zhao, Tianhong Li
Plant SNF1-related protein kinase 2 (SnRK2) and protein phosphatase 2C (PP2C) family members are core components of the ABA signal transduction pathway. SnRK2 and PP2C proteins have been suggested to play crucial roles in fruit ripening and improving plant tolerance to drought stress, but supporting genetic information has been lacking in sweet cherry (Prunus avium L.). Here, we cloned six full-length SnRK2 genes and three full-length PP2C genes from sweet cherry cv. Hong Deng. Quantitative PCR analysis revealed that PacSnRK2...
September 6, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28925539/expression-and-functional-proteomic-analyses-of-osteocytes-from-xenopus-laevis-tested-under-mechanical-stress-conditions-preliminary-observations-on-an-appropriate-new-animal-model
#5
Jessika Bertacchini, Marta Benincasa, Marta Checchi, Francesco Cavani, Alberto Smargiassi, Marzia Ferretti, Carla Palumbo
Hitherto, the role of the osteocyte as transducer of mechanical stimuli into biological signals is far from settled. In this study, we used an appropriate model represented by the cortex of Xenopus laevis long bone diaphysis lacking (unlike the mammalian one) of vascular structures and containing only osteocytes inside the bone matrix. These structural features allow any change of protein profile that might be observed upon different experimental conditions, such as bone adaptation to stress/mechanical loading, to be ascribed specifically to osteocytes...
September 19, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28925469/1-25-dihydroxyvitamin-d3-regulates-t-lymphocyte-proliferation-through-activation-of-p53-and-inhibition-of-erk1-2-signaling-pathway-in-children-with-kawasaki-disease
#6
X-L Qi, L-L Chen, X-G Sun, X-M Li, L-H Zhao, D-J Kong
OBJECTIVE: To study the effect of 1,25(OH)2D3 on T lymphocytes in Kawasaki disease and to further investigate its molecular mechanism. PATIENTS AND METHODS: A total of 30 child patients was diagnosed as Kawasaki disease, 60 child patients were diagnosed as infectious fever, and 60 normal children, were selected. 4 mL peripheral blood was collected before treatment. Peripheral blood mononuclear cells were isolated and separated using the Facollin method and cultured...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28924252/comprehensive-analysis-of-lncrnas-and-mrnas-in-skeletal-muscle-of-rainbow-trout-oncorhynchus-mykiss-exposed-to-estradiol
#7
Jian Wang, Prasanthi P Koganti, Jianbo Yao, Shuo Wei, Beth Cleveland
Estradiol (E2) is a steroid hormone that negatively affects muscle growth in rainbow trout (Oncorhynchus mykiss), but the mechanisms directing with this response are not fully understood. To better characterize the effects of E2 in muscle, we identified differentially regulated mRNAs and lncRNAs in juvenile rainbow trout exposed to E2. Here, we performed next-generation RNA sequencing and comprehensive bioinformatics analyses to characterize the transcriptome profiles, including mRNAs and long noncoding RNAs (lncRNAs), in skeletal muscle of rainbow trout injected with E2...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28924246/rna-seq-analysis-of-the-kidneys-of-broiler-chickens-fed-diets-containing-different-concentrations-of-calcium
#8
Woncheoul Park, Deivendran Rengaraj, Dong-Yong Kil, Heebal Kim, Hak-Kyo Lee, Ki-Duk Song
Calcium (Ca) is required for normal growth and is involved in cellular physiology, signal transduction, and bone mineralization. In humans, inadequate Ca intake causes hypocalcaemia, and excessive Ca intake causes hypercalcemia. In chicken, Ca is also required for body weight gain and eggshell formation. However, transcriptomic responses to low/high Ca intake, and mechanisms affecting body weight have not been explored. In this study, we performed comparative RNA sequencing (RNA-seq) using the kidney of broiler chickens fed diets containing 0...
September 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28923937/direct-engagement-of-the-pi3k-pathway-by-mutant-kit-dominates-oncogenic-signaling-in-gastrointestinal-stromal-tumor
#9
Benedikt Bosbach, Ferdinand Rossi, Yasemin Yozgat, Jennifer Loo, Jennifer Q Zhang, Georgina Berrozpe, Katherine Warpinski, Imke Ehlers, Darren Veach, Andrew Kwok, Katia Manova, Cristina R Antonescu, Ronald P DeMatteo, Peter Besmer
Gastrointestinal stromal tumors (GISTs) predominantly harbor activating mutations in the receptor tyrosine kinase KIT. To genetically dissect in vivo the requirement of different signal transduction pathways emanating from KIT for tumorigenesis, the oncogenic Kit(V558Δ) mutation was combined with point mutations abrogating specific phosphorylation sites on KIT. Compared with single-mutant Kit(V558Δ/+) mice, double-mutant Kit(V558Δ;Y567F/Y567F) knock-in mice lacking the SRC family kinase-binding site on KIT (pY567) exhibited attenuated MAPK signaling and tumor growth...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28923009/apophysomyces-variabilis-draft-genome-sequence-and-comparison-of-predictive-virulence-determinants-with-other-medically-important-mucorales
#10
Hariprasath Prakash, Shivaprakash Mandya Rudramurthy, Prasad S Gandham, Anup Kumar Ghosh, Milner M Kumar, Chandan Badapanda, Arunaloke Chakrabarti
BACKGROUND: Apophysomyces species are prevalent in tropical countries and A. variabilis is the second most frequent agent causing mucormycosis in India. Among Apophysomyces species, A. elegans, A. trapeziformis and A. variabilis are commonly incriminated in human infections. The genome sequences of A. elegans and A. trapeziformis are available in public database, but not A. variabilis. We, therefore, performed the whole genome sequence of A. variabilis to explore its genomic structure and possible genes determining the virulence of the organism...
September 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28922057/the-dietary-food-components-capric-acid-and-caprylic-acid-inhibit-virulence-factors-in-candida-albicans-through-multitargeting
#11
Ashwini Jadhav, Supriya Mortale, Shivkrupa Halbandge, Priyanka Jangid, Rajendra Patil, Wasudev Gade, Kiran Kharat, Sankunny Mohan Karuppayil
Capric acid and caprylic acid are the dietary food components. They are found to inhibit the virulence factors like morphogenesis, adhesion, and biofilm formation in the human pathogenic yeast Candida albicans. Our study demonstrated that yeast-to-hyphal signal transduction pathways were affected by capric acid and caprylic acid. The expression profile of genes associated with serum-induced morphogenesis showed reduced expressions of Cdc35, Hwp1, Hst7, and Cph1 by the treatment with both the fatty acids. Cell elongation gene, Ece1, was surprisingly downregulated by 5208-fold by the treatment of caprylic acid...
September 18, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28921768/microrna-326-3p-ameliorates-high-glucose-and-ox-ldl-ic-induced-fibrotic-injury-in-renal-mesangial-cells-by-targeting-fc%C3%AE-riii
#12
Yiting Wang, Rui Zhang, Junlin Zhang, Fang Liu
AIM: To identify the regulatory relationship between miR-326-3p and FcγRIII, and to explore the involvement of miR-326-3p/FcγRIII/TGF-β/Smad signaling pathway in fibrotic injury, which was induced by the high glucose (HG) and oxidized low density lipoprotein immune complex (ox-LDL-IC) in mouse glomerular mesangial cells (GMCs) METHODS: Dual-luciferase reporter system and real time PCR (RT-PCR) were used to identify FcγRIII as a target gene of miR-326-3p. Lentiviral transduction was utilized to construct different expression of miR-326-3p in GMCs, which were divided into three groups: miR-326-3p mimics group (miR-326-3p group), miR-326-3p inhibitor group (miR-326-3p-inhibit group) and scramble control group (control group)...
September 17, 2017: Nephrology
https://www.readbyqxmd.com/read/28921304/expression-and-purification-of-an-fgf9-fusion-protein-in-e-coli-and-the-effects-of-the-fgf9-subfamily-on-human-hepatocellular-carcinoma-cell-proliferation-and-migration
#13
Shen Wang, Haipeng Lin, Tiantian Zhao, Sisi Huang, David G Fernig, Nuo Xu, Fenfang Wu, Mi Zhou, Chao Jiang, Haishan Tian
Fibroblast growth factor (FGF) 9 has oncogenic activity and plays an important role in the development of ovarian, lung, prostate, and gastric cancers. In the present study, with the aim of reducing the cost of utilizing growth factors in cancer research, a simple and efficient method for the preparation of recombinant human (rh)FGF9 in Escherichia coli was established. The rhFGF9 fusion protein (6 × His-TEV-rhFGF9) and the native protein released by tobacco etch virus (TEV) protease were obtained using a Ni-NTA system, with > 95% purity...
September 18, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28919418/the-nampt-e2f2-sirt1-axis-promotes-proliferation-and-inhibits-p53-dependent-apoptosis-in-human-melanoma-cells
#14
Hailong Zhao, Weiwei Tang, Xiaowen Chen, Siyu Wang, Xianyan Wang, Haiyan Xu, Lijuan Li
Melanoma is the most common primary malignant neoplasm in adults, causing more deaths than any other skin cancer, necessitating the development of new target-based approaches. Current evidence suggests SIRT1, the mammalian nicotinamide adenine dinucleotide (NAD(+))-dependent protein deacetylase, and nicotinamide phosphoribosyltransferase (NAMPT), the rate-limiting NAD(+) biosynthetic enzyme, together comprise a novel systemic regulatory network to play a pivotal role in cell proliferation and apoptosis. Nevertheless, how the regulation of this cofactor interfaces with signal transduction network remains poorly understood in melanoma...
September 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28919298/mxra5-is-decreased-in-preeclampsia-and-affects-trophoblast-cell-invasion-through-the-mapk-pathway
#15
Lan Ding, Shaocong Li, Yanshang Zhang, Junfeng Gai, Jianfang Kou
Preeclampsia causes gestational failure in a significant number of women annually. Insufficient trophoblast cell invasion plays an essential role in preeclampsia pathogenesis. Matrix-remodeling associated 5 (MXRA5) is a proteoglycan involved in adhesion and matrix remodeling. This study sought to explore the role of MXRA5 in trophoblast cell invasion. Preeclamptic villi were obtained for the delineation of MXRA5 expression. Specific MXRA5 siRNA and pcDNA3.1/MXRA5 were used to manipulate MXRA5 expression in HTR-8/SVneo...
September 14, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28918490/notch-signaling-pathway-networks-in-cancer-metastasis-a-new-target-for-cancer-therapy
#16
REVIEW
Li Li, Ping Tang, Shun Li, Xiang Qin, Hong Yang, Chunhui Wu, Yiyao Liu
Notch signaling pathway is evolutionarily conserved in mammals, which plays an important role in cell development and differentiation. In recent years, increasing evidence has shown that aberrant activation of Notch is associated with tumor process. Aberrant activation of Notch signaling pathway has been found in many different solid tumors can induce cell proliferation, metastasis and epithelial-mesenchymal transition. Notch receptor and its ligand are both single transmembrane protein, and Notch is activated when it binds to the Notch ligand of neighbor cells...
September 16, 2017: Medical Oncology
https://www.readbyqxmd.com/read/28917839/m2b-macrophage-polarization-accompanied-with-reduction-of-long-noncoding-rna-gas5
#17
Ichiaki Ito, Akira Asai, Sumihiro Suzuki, Makiko Kobayashi, Fujio Suzuki
Macrophages (Mϕ) are highly plastic and change their functional phenotypes depending on microenvironmental signals. Recent studies have shown that microRNAs are involved in the polarization of Mϕ. In this study, we demonstrated that the phenotype of M2bMϕ [CCL1(+) IL-10(+) LIGHT(+)] switches to other phenotypes with interchangeability attained through the increased expression of growth arrest-specific 5 RNA (GAS5 RNA), a long non-coding RNA. GAS5 RNA has been described as a silencer of the CCL1 gene. Various phenotypes of Mϕ were prepared from bone marrow-derived Mϕ (BMDMϕ) after stimulation with IFNγ [M(IFNγ)]/M1Mϕ, IL-4 [M(IL-4)]/M2aMϕ, LPS and immobilized IgG [M(LPS + IC)]/M2bMϕ, and IL-10 [M(IL-10)/M2cMϕ]...
September 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28917508/insulin-dependent-metabolic-and-inotropic-responses-in-the-heart-are-modulated-by-hydrogen-peroxide-from-nadph-oxidase-isoforms-nox2-and-nox4
#18
Benjamin Steinhorn, Juliano L Sartoretto, Andrea Sorrentino, Natalia Romero, Hermann Kalwa, E Dale Abel, Thomas Michel
RATIONALE: Hydrogen peroxide (H2O2) is a stable reactive oxygen species (ROS) that has long been implicated in insulin signal transduction in adipocytes. However, H2O2's role in mediating insulin's effects on the heart are unknown. OBJECTIVE: We investigated the role of H2O2 in activating insulin-dependent changes in cardiac myocyte metabolic and inotropic pathways. The sources of insulin-dependent H2O2 generation were also studied. METHODS AND RESULTS: In addition to the canonical role of insulin in modulating cardiac metabolic pathways, we found that insulin also inhibited beta adrenergic-induced increases in cardiac contractility...
September 13, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28917182/analysis-of-functional-genomes-from-metagenomes-revealing-the-accelerated-electron-transfer-in-microbial-fuel-cell-with-rhamnolipid-addition
#19
Yunshu Zhang, Junqiu Jiang, Qingliang Zhao, Kun Wang, Hang Yu
Extracellular electron transfer is the predominant electricity generation process in microbial fuel cells (MFCs). Our pervious study have proved that the anodic adsorption of rhamnolipid resulted in the Frumkin effect, which enhanced anodic microorganism attachment and accelerated anodic electron transfer. In this study, an in-depth research on the influence of rhamnolipid on functional genes of anodic biofilms metagenomes was carried out to explain its mechanism at the gene level. The result showed that the composition and distribution of functional genes in each dominant genus were different...
September 11, 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/28915830/biological-effects-of-combined-resveratrol-and-vitamin-d3-on-ovarian-tissue
#20
Francesca Uberti, Vera Morsanuto, Silvio Aprile, Sabrina Ghirlanda, Ian Stoppa, Andrea Cochis, Giorgio Grosa, Lia Rimondini, Claudio Molinari
BACKGROUND: Resveratrol (3,5,4'-trihydroxy-trans-stilbene) is a natural antioxidant polyphenol able to exert a wide range of biological effect on several tissues. Despite its important beneficial properties, it has a low water solubility, which limits its therapeutic applications in humans. Resveratrol also acts as a phytoestrogen that modulates estrogen receptor (ER)-mediated transcription. In addition, it has been shown that ovarian tissues benefit greatly from vitamin D3, which exerts its beneficial effects through VDR receptors...
September 15, 2017: Journal of Ovarian Research
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