spl9 modifies the no3 response of sentinel and transcription factor genes

Báo cáo y học: ": Network analysis of skin tumor progression identifies a rewired genetic architecture affecting inflammation and tumor susceptibility" docx

Báo cáo y học: ": Network analysis of skin tumor progression identifies a rewired genetic architecture affecting inflammation and tumor susceptibility" docx

... identified the majority of the risk factors [28] The realization that cancer susceptibility is an emergent property of the combinatorial effects of many genes necessitated the development of more ... through the influence of trans-acting regulatory factors (for example, transcription factors) rather than through widespread influence on transcription levels of individual genes Confirmation of tumor ... account for the loss of the Ccnd1, Hras1, and Lgr5 eQTL and likely are responsible for the loss of many other eQTL seen in normal skin Tumor-specific eQTL are associated with susceptibility Of the 912...

Ngày tải lên: 09/08/2014, 22:23

11 431 0
Tài liệu Báo cáo khoa học: Modulation of oat arginine decarboxylase gene expression and genome organization in transgenic Trypanosoma cruzi epimastigotes docx

Tài liệu Báo cáo khoa học: Modulation of oat arginine decarboxylase gene expression and genome organization in transgenic Trypanosoma cruzi epimastigotes docx

... this promoter region of pRIBOTEX and related vectors induces the transcription of genes cloned downstream of the promoter and their chromosomal integration [19] After 48 h of transfection, geneticin ... and RIB (specific for the ribosomal locus of the wild-type T cruzi genome) should give a DNA segment of 890 bp (Fig 2B), and no other product from the PCR reaction with the set of primers T7 and ... synthesize putrescine, as a result of the absence of ornithine and arginine decarboxylases (ODC and ADC) [7–10], which catalyse the first steps of both possible pathways of putrescine biosynthesis...

Ngày tải lên: 19/02/2014, 07:20

10 570 0
Tài liệu Báo cáo Y học: Inhibition of the MEK/ERK signaling pathway by the novel antimetastatic agent NAMI-A down regulates c-myc gene expression and endothelial cell proliferation ppt

Tài liệu Báo cáo Y học: Inhibition of the MEK/ERK signaling pathway by the novel antimetastatic agent NAMI-A down regulates c-myc gene expression and endothelial cell proliferation ppt

... corresponding to the immunoreactivity of ERK1/2 and phospho ERK1/2 (A,B), and MEK1/2 and phospho MEK1/2 (C,D) The lower part of each panel reports the quantitative analysis of phospho ERK1/2 (A,B), and phospho ... bromide stained gels of the reaction products obtained using lL of the RT products after 30 cycles of PCR amplification The lower part of panel A, and panels B, C report the expression of c-myc mRNA ... expression To establish whether the decrease in c-myc mRNA expression elicited by NAMI-A might have occurred at the transcriptional level, we assessed the rate of transcription of the c-myc gene by using...

Ngày tải lên: 21/02/2014, 01:21

10 703 0
Plant physiology - Chapter 14 Gene Expression and Signal Transduction potx

Plant physiology - Chapter 14 Gene Expression and Signal Transduction potx

... regulation of expression of one of the genes for the small subunit of rubisco in roots of the aquatic duckweed Lemna gibba Lemna roots are photosynthetic and therefore express genes for the small ... The tryptophan (trp) operon of E coli Tryptophan (Trp) is the end product of the pathway catalyzed by tryptophan synthetase and other enzymes Transcription of the repressor genes results in the ... upstream of the transcription start sites of all six genes The UAS of each of the six genes, while not identical, consists of one or more copies of a similar 17 bp repeated sequence The GAL4...

Ngày tải lên: 07/03/2014, 21:20

30 567 1
Báo cáo khoa học: Tumour necrosis factor-a attenuates insulin action on phosphoenolpyruvate carboxykinase gene expression and gluconeogenesis by altering the cellular localization of Foxa2 in HepG2 cells pptx

Báo cáo khoa học: Tumour necrosis factor-a attenuates insulin action on phosphoenolpyruvate carboxykinase gene expression and gluconeogenesis by altering the cellular localization of Foxa2 in HepG2 cells pptx

... considering the complexity of the PEPCK promoter, which harbours the binding elements of several transcription factors [43] Another such transcription factor and a strong regulator of gluconeogenesis ... mediate the effect of insulin The PEPCK promoter is undoubtedly complex and possesses the binding elements of several transcription factor complexes [43] The regulation by the Foxa group of transcription ... part, the expression of gluconeogenic genes [17,31], we studied its status within the cell in the given experimental conditions Foxo1, another member of the forkhead family of transcription factors,...

Ngày tải lên: 16/03/2014, 02:20

13 449 0
Báo cáo khoa học: Inhibition of urokinase receptor gene expression and cell invasion by anti-uPAR DNAzymes in osteosarcoma cells pot

Báo cáo khoa học: Inhibition of urokinase receptor gene expression and cell invasion by anti-uPAR DNAzymes in osteosarcoma cells pot

... Inhibition of uPAR by DNAzymes all of which contribute to focal proteolysis and regulation of wound healing, angiogenesis, and metastasis [5] Of the components of the uPA system, uPAR is of particular ... domain and nine for each of the hybridizing arms They have the ability to bind specific uPAR mRNA by complementary base-pairing between the Dz arms and the sequences flanking the uPAR mRNA and then ... substrate, and a maximum reduction of 84% of uPAR substrate concentration at a molar ratio of : 200 (Fig 2D) The specificity of the DNAzymes was confirmed by the lack of cleavage by the untreated and...

Ngày tải lên: 16/03/2014, 22:20

11 316 0
Báo cáo Y học: DNA supercoiling in Escherichia coli is under tight and subtle homeostatic control, involving gene-expression and metabolic regulation of both topoisomerase I and DNA gyrase docx

Báo cáo Y học: DNA supercoiling in Escherichia coli is under tight and subtle homeostatic control, involving gene-expression and metabolic regulation of both topoisomerase I and DNA gyrase docx

... respond to the presence of IPTG, and such clones were indeed found at a frequency of 22% of the second cross over event Southern blot analysis and DNA sequencing of one of these clones in the topA ... determinations of the sum of the kinetic elasticity coef®cients (i.e 5.6 and 5.5) are in good agreement with each other Thus, 72% (5.6 of 7.8) of the homeostasis of DNA supercoiling in the wild-type ... at D540 ˆ 0.2, 0.3 and 0.4) The error bars denote the standard error of the mean Precise growth conditions are given in Materials and methods Modulation of the expression of topoisomerase I by...

Ngày tải lên: 18/03/2014, 01:20

8 476 0
Báo cáo khoa học: Bile acids increase hepatitis B virus gene expression and inhibit interferon-a activity pot

Báo cáo khoa học: Bile acids increase hepatitis B virus gene expression and inhibit interferon-a activity pot

... metabolism and HBV gene expression H Y Kim et al the liver, intestine, kidney and adipose tissue via the regulation of the expression and function of genes involved in bile acid synthesis, uptake and ... maintained either under control conditions or in the presence of z-guggulsterone (10 lM) for 12 h Total RNA was prepared from the cells and the HBx and HBV core mRNA levels and then the FXRa mRNA ... construct and the indicated plasmids Then the cells were maintained either under control conditions or in the presence of CDCA (100 lM) for 24 h Total RNA was prepared from the cells and the HBx,...

Ngày tải lên: 22/03/2014, 21:21

12 360 0
Báo cáo khoa học: Glutamine stimulates the gene expression and processing of sterol regulatory element binding proteins, thereby increasing the expression of their target genes docx

Báo cáo khoa học: Glutamine stimulates the gene expression and processing of sterol regulatory element binding proteins, thereby increasing the expression of their target genes docx

... increased, but then the mRNA levels of both SREBPs and their target genes became significantly elevated at and 12 h (Fig 4) Based on the fact that the increase in the mRNA of these genes was nearly ... change was calculated by the ratio of the intensity between the O-glycosylated Sp1 and the whole Sp1 signals The ratio in the absence of both glutamine and azaserine was set as The same results were ... results imply the involvement of the O-glycosylation of Sp1 in the induction of SREBP-1a transcription by glutamine The gene expression of SREBP-1c, which represented less than 20% of the SREBP-1a...

Ngày tải lên: 28/03/2014, 22:21

12 537 0
Báo cáo khoa học: Selenium affects biosilica formation in the demosponge Suberites domuncula Effect on gene expression and spicule formation pot

Báo cáo khoa học: Selenium affects biosilica formation in the demosponge Suberites domuncula Effect on gene expression and spicule formation pot

... major factors that control the organization of the skeletal architecture of spicules [5,6] The last step in the biologically controlled mineralization process, i.e the final location of the spicules ... considerable up-regulation of the expression of the genes for selenoprotein M and spicule-associated protein was detected (Fig 8) On the basis of the data obtained, the steady-state expression ... expressed in the notochord, the somites, the spinal cord and the axial fin fold [21] These data interestingly show that the expression pattern of the different selenoproteins in the fish is region-specific...

Ngày tải lên: 30/03/2014, 20:20

15 346 0
Báo cáo khoa học: A functional polymorphism at the transcriptional initiation site in b2-glycoprotein I (apolipoprotein H) associated with reduced gene expression and lower plasma levels of b2-glycoprotein I docx

Báo cáo khoa học: A functional polymorphism at the transcriptional initiation site in b2-glycoprotein I (apolipoprotein H) associated with reduced gene expression and lower plasma levels of b2-glycoprotein I docx

... 4.3 and 7.3 mgÆdL)1) This indicates that the genetic basis of APA is complex and other genetic and/ or biological factors are involved in the occurrence of APA The structural organization of the ... sites (P < 0.0001) Of the 21 individuals with the Trp316Ser mutation, 20 had the )1CfiA mutation On the other hand, of the 16 individuals with the Cys306Gly mutation, only one had the )1CfiA mutation, ... disequilibrium with the Trp316Ser mutation and is associated with significantly lower b2GPI plasma and mRNA levels and the low occurrence of APA Furthermore, this mutation reduces the expression of the luciferase...

Ngày tải lên: 31/03/2014, 07:20

9 462 0
báo cáo hóa học: " Pro-inflammatory gene expression and neurotoxic effects of activated microglia are attenuated by absence of CCAAT/enhancer binding protein b" potx

báo cáo hóa học: " Pro-inflammatory gene expression and neurotoxic effects of activated microglia are attenuated by absence of CCAAT/enhancer binding protein b" potx

... lines of evidence suggest that glial activation is involved in the pathogenesis of many neurological disorders The present study stems from this hypothesis and from the hypothesis that there ... that some of these bands contain more than one complex (e.g band II since it is only partially supershifted by anti-C/EBPb) and that some of these complexes contain other transcription factors, ... and chemokine gene responses in glial activation [2,3], and other transcription factors with a pro-inflammatory profile such as AP-1 [4], STATs [5], HIF-1 [5-7], Egr-1 [8], IRF1 [9] On the other...

Ngày tải lên: 19/06/2014, 22:20

15 450 0
Báo cáo hóa học: " Inhibition of cytokine gene expression and induction of chemokine genes in non-lymphatic cells infected with SARS coronavirus" doc

Báo cáo hóa học: " Inhibition of cytokine gene expression and induction of chemokine genes in non-lymphatic cells infected with SARS coronavirus" doc

... studies and the RT-PCR analyses, participated in the design of the study, and has given final approval of the version to be published FW carried out virus infections, participated in the design of the ... rapid and efficient dissemination of SARS-CoV By slowing down expression of IFNs and their antiviral genes in the infected tissue cells, the virus buys time during the initial, critical phase of ... signaling Taken together, these data demonstrate that, in contrast to the other viruses tested, SARS-CoV suppresses the activation of the antiviral IFNs and the IFN-induced effector genes to a large...

Ngày tải lên: 20/06/2014, 01:20

9 387 0
báo cáo hóa học:" Gene Expression and Pathway Analysis of Ovarian Cancer Cells Selected for Resistance to Cisplatin, Paclitaxel, or Doxorubicin" docx

báo cáo hóa học:" Gene Expression and Pathway Analysis of Ovarian Cancer Cells Selected for Resistance to Cisplatin, Paclitaxel, or Doxorubicin" docx

... 18 genes were elevated and 44 genes decreased Many of these genes were validated and shown to be differentially expressed at the protein level (Figure 3C) Pathway enrichment analysis of these genes ... is further supported by the observation that the number of differentially expressed genes shared by cisplatin and doxorubicin (149) was greater than the number of genes shared by cisplatin and ... and protein synthesis, and the genes affected included multiple ribosomal genes (RPS20, RPL26, RPL10A, RPL39, RPL7, and RPL34) and translation factors (EIF4A2, EEF1D) Network analysis shows the...

Ngày tải lên: 20/06/2014, 08:20

28 384 0
Báo cáo y học: "Abnormalities of B cell phenotype, immunoglobulin gene expression and the emergence of autoimmunity in Sjögren’s syndrome" pdf

Báo cáo y học: "Abnormalities of B cell phenotype, immunoglobulin gene expression and the emergence of autoimmunity in Sjögren’s syndrome" pdf

... CD5, further supporting the hypothesis of homing and activation of specific B cells in the glands B cell malignancies and Sjögren’s syndrome In contrast to the focal sialadenitis of the minor ... regardless of whether these autoantibodies are pathogenic [25] Despite intensive work on the characterization of autoantigens, the cellular basis of their production and the strong association of certain ... salivary glands, the lymphocytic lesions of the major salivary glands often contain secondary lymph follicles B cells have been shown to infiltrate the glandular duct epithelium and thereby to...

Ngày tải lên: 09/08/2014, 01:21

12 351 0
Báo cáo y học: "Regional assessment of articular cartilage gene expression and small proteoglycan metabolism in an animal model of osteoarthritis" pptx

Báo cáo y học: "Regional assessment of articular cartilage gene expression and small proteoglycan metabolism in an animal model of osteoarthritis" pptx

... transforming growth factor (TGF)-β and modulate the action of this growth factor [10,11] The physical presence of the SLRPs, in addition to the minor type IX and XI collagens, on the surface of type II ... expression of these major structural proteins Furthermore, there is a shift in chondrocyte phenotype, with increased synthesis of collagens types I and III and a change in the relative levels of the ... to the conception and design of the study JM assisted with performing Western blotting studies and helped to draft the manuscript DHS was involved in the conception and design of the study, and...

Ngày tải lên: 09/08/2014, 06:23

10 416 0
Báo cáo y học: "The protective effect of licofelone on experimental osteoarthritis is correlated with the downregulation of gene expression and protein synthesis of several major cartilage catabolic factors: MMP-13, cathepsin K and aggrecanase" docx

Báo cáo y học: "The protective effect of licofelone on experimental osteoarthritis is correlated with the downregulation of gene expression and protein synthesis of several major cartilage catabolic factors: MMP-13, cathepsin K and aggrecanase" docx

... for the resorption of the calcified cartilage and subchondral bone in the early phase of the disease [18] Licofelone treatment was shown to reduce the level of synthesis of cathepsin K in both of ... in the response of chondrocytes to the synthesis of ADAMTS-5 upon stimulation by cytokines and growth factors under actual conditions [15] A regulation of the enzyme synthesis and activity at the ... explanation of how the drug can reduce the synthesis of MMP-13 and ADAMTS-4 and ADAMTS-5 in cartilage [24] as well as the synthesis of IL-1β in synovium These results also support the possible role of...

Ngày tải lên: 09/08/2014, 06:23

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Báo cáo y học: "Gene expression and activity of cartilage degrading glycosidases in human rheumatoid arthritis and osteoarthritis synovial fibroblast" potx

Báo cáo y học: "Gene expression and activity of cartilage degrading glycosidases in human rheumatoid arthritis and osteoarthritis synovial fibroblast" potx

... dominate and lead to the release of glycosaminoglycans from the extracellular matrix One of the most striking findings of our study was that the regulation of gene expression of glycosidases and proteases ... expression and by stimulating the synthesis of MMP-1 and IL-1 [50] We hypothesize that the relatively stable expression and tight regulation control of synovial glycosidases are critical factors in the ... structure of human beta-hexosaminidase B: understanding the molecular basis of Sandhoff and Tay-Sachs disease J Mol Biol 2003, 327:1093-1109 36 Hepbildikler ST, Sandhoff R, Kolzer M, Proia RL, Sandhoff...

Ngày tải lên: 09/08/2014, 14:20

13 681 1
Báo cáo y học: "JNK pathway is involved in the inhibition of inflammatory target gene expression and NF-kappaB activation by melittin" ppsx

Báo cáo y học: "JNK pathway is involved in the inhibition of inflammatory target gene expression and NF-kappaB activation by melittin" ppsx

... components of NF-κB (data not shown) One of the consequences of inhibition of NF-κB is the inhibition of the nuclear translocation of p50 and p65 through the blockage of IκB release To study the result ... stimulating the cells with LPS or SNP in the + + - the treatment of JNK inhibitor on the translocation of p50 and p65 into the nucleus, we determined the appearance of the p50 and p65 in the nucleus ... the activation of transcription factor NF-κB To investigate the involvement of MAP kinase pathway in the inhibitory effect by melttin and bee venom on NO and PGE2 production, the activation of...

Ngày tải lên: 11/08/2014, 08:22

13 388 0
báo cáo khoa học: " Gene expression and hypoxia in breast cancer" doc

báo cáo khoa học: " Gene expression and hypoxia in breast cancer" doc

... review of the literature and drafted the manuscript EF and SL prepared the tables and figures FMB and ALH designed the study and revised the manuscript All of the authors read and approved the final ... of the limitations of current markers and other detection methods Such gene expression signatures also have the potential to reflect the complexity of the tumor hypoxia response They could, therefore, ... better under­ tand­ s ing of the HIF activation pathway could inform the choice of therapy, the individualization of treatments and the development of novel agents Several of the cancer treat­ ments...

Ngày tải lên: 11/08/2014, 12:21

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