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Real-time quantitative PCR analysis of mice lung tissue [S100A9 time course]

ABSTRACT: Recombinant-murine S100A9 were used at 10 mg/50 ml in Hanks Balanced Salt solution (HBSS) or control HBSS administered onto the nares of BALB/C mice. To assess direct effects, mice were sacrificed 1, 4, 6, or 12 h post-inhalation of S100A9. Because S100A9 is reported to initiate proinflammatory responses by ligating TLR4 and/or RAGE, a quantitative PCR array was developed to analyze 49 genes, selected to reflect potential acute inflammatory changes induced by ligation of these receptors.

ORGANISM(S): Mus musculus

PROVIDER: GSE74128 | GEO | 2016/08/01

SECONDARY ACCESSION(S): PRJNA299121

REPOSITORIES: GEO

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Real-time quantitative PCR analysis of mice lung tissue [S100A9 time course]

Project description:Recombinant-murine S100A9 were used at 10 mg/50 ml in Hanks Balanced Salt solution (HBSS) or control HBSS administered onto the nares of BALB/C mice. To assess direct effects, mice were sacrificed 1, 4, 6, or 12 h post-inhalation of S100A9. Because S100A9 is reported to initiate proinflammatory responses by ligating TLR4 and/or RAGE, a quantitative PCR array was developed to analyze 49 genes, selected to reflect potential acute inflammatory changes induced by ligation of these receptors. Expression of inflammatory genes was evaluated with the RT-qPCR array. Relative quantities of mRNA in duplicate samples were obtained using the LightCyclerÂ® 480 Software 1.5 and the Efficiency-Method.

2016-08-01 | E-GEOD-74128 | biostudies-arrayexpress

Real-time quantitative PCR analysis of mice lung tissue [S100A8 time course]

Project description:Recombinant-murine S100A8 were used at 10 mg/50 ml in Hanks Balanced Salt solution (HBSS) or control HBSS administered onto the nares of BALB/C mice. To assess direct effects, mice were sacrificed 1, 4, 6, or 12 h post-inhalation of S100A8. Because S100A8 is reported to initiate proinflammatory responses by ligating TLR4 and/or RAGE, a quantitative PCR array was developed to analyze 49 genes, selected to reflect potential acute inflammatory changes induced by ligation of these receptors.

2016-08-01 | GSE74122 | GEO

Real-time quantitative PCR analysis of mice lung tissue [S100A8 time course]

2016-08-01 | E-GEOD-74122 | biostudies-arrayexpress

Real-time quantitative PCR analysis of mice lung tissue (2)

Project description:Recombinant-murine S100A8 and the corresponding Cys42 to Ala42 mutant were used at 10 mg/50 ml HBSS administered onto the nares of BALB/C mice. To assess direct effects, mice were sacrificed 1, 4, 6, 12 or 20 h post-inhalation of S100A8 or 12 and 20 h post-inhalation of Ala42S100A8. For comparison with Dex inhalation (used at 10 mg/50 ml HBSS), lungs were harvested 6 and 12 h post administration. Because S100A8 is reported to initiate proinflammatory responses by ligating TLR4 and/or RAGE, a quantitative PCR array was developed to analyse 63 genes, selected to reflect potential acute inflammatory changes induced by ligation of these receptors.

2013-11-26 | GSE52719 | GEO

Real-time quantitative PCR analysis of mice lung tissue (1)

2013-11-26 | GSE52718 | GEO

Real-time quantitative PCR analysis of mice lung tissue after inhalation of S100A8, S100A8 dimer, S100A9 or S100A8/A9 complex in acute lung [S100A8S100A9 LPS induced ALI]

Project description:LPS (10 μg/50 μl PBS; E. coli Serotype 055:B5, Sigma-Aldrich) was administered onto the nares. Baseline levels of genes in mice treated with vehicle (Hanks Balanced Salt solution (HBSS) and PBS), Intranasal S100s (10 μg/50 μl HBSS) were given 2 h before LPS; control mice received equal volumes of PBS and HBSS. Mice were sacrificed 4 h post LPS inhalation.

2016-08-01 | GSE74127 | GEO

Real-time quantitative PCR analysis of mice lung tissue (1)

2013-11-26 | E-GEOD-52718 | biostudies-arrayexpress

Real-time quantitative PCR analysis of mice lung tissue (2)

2013-11-26 | E-GEOD-52719 | biostudies-arrayexpress

Real-time quantitative PCR analysis of mice lung tissue after inhalation of S100A8, S100A8 dimer, S100A9 or S100A8/A9 complex in acute lung [S100A8S100A9 LPS induced ALI]

Project description:LPS (10 Î¼g/50 Î¼l PBS; E. coli Serotype 055:B5, Sigma-Aldrich) was administered onto the nares. Baseline levels of genes in mice treated with vehicle (Hanks Balanced Salt solution (HBSS) and PBS), Intranasal S100s (10 Î¼g/50 Î¼l HBSS) were given 2 h before LPS; control mice received equal volumes of PBS and HBSS. Mice were sacrificed 4 h post LPS inhalation. Expression of inflammatory genes was evaluated with the RT-qPCR array. Relative quantities of mRNA in duplicate samples were obtained using the LightCyclerÂ® 480 Software 1.5 and the Efficiency-Method.

2016-08-01 | E-GEOD-74127 | biostudies-arrayexpress

The alarmin S100A9 hampers retroviral infection by limiting reverse transcription

Project description:We identified the alarmin S100A9 as a novel intracellular antiretroviral factor expressed in human monocyte-derived and skin-derived Langerhans cells (LC). The expression of S100A9 is significantly upregulated by the transforming growth factor beta in human monocyte-derived cells. We showed that S100A9 intracellular expression is decreased upon maturation and inversely correlated with an enhanced inversely correlates with the maturation level of LC and susceptibilityility to HIV-1 infection of LC. Furthermore, silencing of S100A9 in primary human LC relieves HIV-1 restriction while ectopic expression of S100A9 in various cell lines established an intrinsic resistance to both HIV-1 and MMLV infection by acting on reverse transcription. Mechanistically, the intracellular expression of S100A9 alters viral capsid uncoating and reverse transcription in a distal manner. Also, S100A9 demonstrates potent inhibitory effect against HIV-1 and MMLV reverse transcriptase (RTase) activity in-vitro in a divalent cation-dependent context. Our findings uncover an unexpected intracellular antiretroviral function of the human alarmin S100A9 and highlight a novel crosstalk betweenregulating antiretroviral immunity in Langerhans cells

2021-05-06 | GSE173939 | GEO

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