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TranscriptomicsTranscription profiling of S. pneumonia early response to to THP-1 human macrophages
Transcriptional responses of an unencapsulated Streptococcus pneumoniae strain derived from TIGR4 to human macrophages THP-1 were investigated at the early stages of interactions (0.5 h, 1 h and 3h).
ORGANISM(S): Streptococcus pneumoniae 
2008-10-21 | E-FPMI-16 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of Streptococcus pneumoniae TCS08 mutant (disrupted in rr08) compared to the parent wild type strain TIGR4
Transcriptional changes of an TCS08 mutant (disrupted in rr08) compared to the parent wild-type strain TIGR4 when both strains were cultured to early logarithmic growth phase in THY broth.
ORGANISM(S): Streptococcus pneumoniae 
2008-12-20 | E-FPMI-17 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of human monocytic cells THP-1 stimulated with LPS (10ng/ml) in presence or absence of LL-37 (5 ug/ml), as well as with the peptide alone, for 4 hours
The objective of the study was to evaluate transcriptional response of endotoxin-stimulated human monocytic cells in presence or absence of host defense peptide LL-37 at low physiologically relevant concentrations. Human monocytic cells THP-1 were stimulated with LPS (10ng/ml) in presence or absenc...
ORGANISM(S): Homo sapiens 
2006-12-07 | E-FPMI-6 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of endotoxin-stimulated human monocytic cells in presence and absence of host defense peptide LL-37
The objective of the study was to evaluate transcriptional response of endotoxin-stimulated human monocytic cells in presence and absence of host defense peptide LL-37. A functional genomics approach was used to establish a temporal transcriptional profile and identify differentially expressed gene...
ORGANISM(S): Homo sapiens 
2006-08-01 | E-FPMI-4 | biostudies-arrayexpress
TranscriptomicsEvolution of E. coli transcriptome under osmotic-stress with and without RpoS
The RpoS sigma factor protein of Escherichia coli is the master transcriptional regulator of physiological responses to a variety of stresses. This stress response comes at the expense of scavenging for scarce resources, causing a trade-off between stress tolerance and nutrient acquisition. This t...
ORGANISM(S): Escherichia coli 
2009-11-09 | E-GEOD-13666 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of ciprofloxacin induction of a susceptibility determinant in Pseudomonas aeruginosa
PAO1 was grown in sub-inhibitory ciprofloxacin (0.1x-, 0.3x-, 1x-MIC) until log phase. Microarrays were done on total RNA isolated from these cultures. Loop design and dye swapping were used.
ORGANISM(S): Pseudomonas aeruginosa 
2013-01-30 | E-FPMI-1 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of responses to TNF-alpha, IL-1beta, peptidoglycan or lipopolysaccharide (TLR2/4 agonists) evaluated at 4 hrs in peripheral blood monocytes (PBM) from the patient bearing the IRAK4 Q293X mutation vs PBM from 5 healthy individuals
IL-1R associated kinase-4 (IRAK4) is a key enzyme required for activation of the common Toll-like Receptor (TLR) signaling cascade, which results in the transcription of inflammatory and immunity genes. IRAK-4 deficiency has recently been described as a rare form of innate immunodeficiency. Patien...
ORGANISM(S): Homo sapiens 
2010-05-19 | E-FPMI-7 | biostudies-arrayexpress
TranscriptomicsA Model System for Studying the Transcriptomic and Physiological Changes Associated with Mammalian Host-Adaptation by Leptospira interrogans Serovar Copenhageni
Leptospirosis, an emerging zoonotic disease with worldwide distribution, is caused by spirochetes belonging to the genus Leptospira. More than 500,000 cases of severe leptospirosis are reported annually, with .10% of these being fatal. Leptospires can survive for weeks in suitably moist conditions b...
ORGANISM(S): Leptospira interrogans serovar Copenhageni str. Fiocruz L1-130 
2014-03-20 | E-GEOD-53818 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of human CD14+ monocytes treated with innate defence regulator peptide IDR-1 in the presence/absence of lipopolyssacharide
Effect of peptide IDR-1 on CD14+ human monocytes. >br< >br< Effect of peptide IDR-1 on LPS-induced responses in CD14+ human monocytes.>br< >br< Human peripheral blood mononuclear cells (PBMC) were treated with innate defence regulator peptide IDR-1 in the presence and absence of LPS (purified from P...
ORGANISM(S): Homo sapiens 
2007-04-10 | E-FPMI-8 | biostudies-arrayexpress
TranscriptomicsTranscription profiling of peripheral blood monocytes from healthy humans and from those with Chronic Granulamatous Disease in response to stimulation with peptidoglycan and lipopolysaccharide
Persons with Chronic Granulomatous Disease, are susceptible to a narrow range of infections resulting from the failure of cells to generate toxic reactive oxygen species (ROS) required for phagocytice oxidative killing of microorganisms. For unknown reasons, many inflammatory conditions (inflammato...
ORGANISM(S): Homo sapiens 
2008-11-05 | E-FPMI-9 | biostudies-arrayexpress
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