Bulk RNA Sequencing of 86 Human Donor Lungs
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE165192 | GEO | 2021/09/16
REPOSITORIES: GEO
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Project description:Bulk RNA Sequencing of 86 Human Donor Lungs
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Project description:Transcriptome analysis of NTHi 86-028NPrpsL, NTHi 86-028NPrpsL∆fur, and NTHi 86-028NPrpsL∆fur(pT-fur) strains Nontypeable Haemophilus influenzae (NTHi) is a commensal microorganism of the normal human nasopharyngeal flora, yet also an opportunistic pathogen of the upper and lower respiratory tracts. Changes in gene expression patterns in response to host microenvironments are likely critical for survival. One such system of gene regulation is the ability to carefully regulate iron uptake. A central regulatory system that controls iron uptake, mediated by the ferric uptake regulator Fur, is present in multiple bacteria, including NTHi. To understand the regulation of iron homeostasis in NTHi, fur was deleted in the NTHi strain 86-028NPrpsL. Using RNA-Seq, we identified both protein-encoding and small RNA genes whose expression was repressed or activated by Fur. Overall design: These data comprise transcriptional anaylses of an rpsL mutant of 86-028NP, an isogenic fur mutant of 86-028NPrpsL and a complemented fur mutant strain. All strains were grown in defined medium containing 10 µg/ml human hemoglobin to mid-log phase. Cells were then harvested and RNA extracted. A total of three biological replicates were generated for these analyses.
2015-07-01 | GSE58890 | GEO
Project description:This study evaluated transcriptional effects of the lung carcinogen NNK ( 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone) injection and selenocystine consumption on the murine lung. Female A/J mice at 5 weeks of age were obtained from The Jackson Laboratory. Animals were stabilized on an unsupplemented AIN-76 diet for one week prior to being given the selenium supplemented diet. The basal level of selenium in the diet is 0.35 ppm Se, the selenocytine supplemention was at 15 ppm. NNK was administered i.p. as a single 10 uM injection in 0.2 mL saline. With this protocol, 100% of animals reproducibly develop lung tumors after 3 months. Three days after NNK administration, animals were provided AIN-76A diets supplemented with selenocystine at 15 ppm selenium ad libitum for 10 days. Animals were sacrificed thirteen days after NNK administration. Lung tissue was harvested, immediately homogenized in Trizol and frozen. The organic extracted RNAs were run over Qiagen RNeasy columes before quantifying and qualifying them. All samples had RNA quality index's greater than 9. Four groups of A/J mice were utilized with 4 biological replicates per group. 1) Untreated - controls on the AIN-76 diet (0.35 ppm Se). 2) NNK treated - single injection of NNK, maintained on norma AIN-76 diet, sacraficed after 13 days. 3) SECY - selenocystine supplemented (15 ppm) for 10 days on a AIN-76 diet then sacraficed. 4) NNK plus SECY - single injection of NNK, after 3 days, selenocystine supplemented (15 ppm) diet for 10 days then sacraficed. RNAs from the the four untreated mice were combined to phenotypically anchor the dual color expression profile. mouse lung responses to NNK injection and/or selenocystine dietary supplementation
2012-05-31 | E-GEOD-29447 | biostudies-arrayexpress
Project description:Transcriptome analysis of NTHi 86-028NPrpsL, NTHi 86-028NPrpsL∆fur, and NTHi 86-028NPrpsL∆fur(pT-fur) strains Nontypeable Haemophilus influenzae (NTHi) is a commensal microorganism of the normal human nasopharyngeal flora, yet also an opportunistic pathogen of the upper and lower respiratory tracts. Changes in gene expression patterns in response to host microenvironments are likely critical for survival. One such system of gene regulation is the ability to carefully regulate iron uptake. A central regulatory system that controls iron uptake, mediated by the ferric uptake regulator Fur, is present in multiple bacteria, including NTHi. To understand the regulation of iron homeostasis in NTHi, fur was deleted in the NTHi strain 86-028NPrpsL. Using RNA-Seq, we identified both protein-encoding and small RNA genes whose expression was repressed or activated by Fur. Overall design: These data comprise transcriptional anaylses of an rpsL mutant of 86-028NP, an isogenic fur mutant of 86-028NPrpsL and a complemented fur mutant strain. All strains were grown in defined medium containing 10 µg/ml human hemoglobin to mid-log phase. Cells were then harvested and RNA extracted. A total of three biological replicates were generated for these analyses. Analysis of transcriptomes using the Illumina HiSeq 2000 of three strains of nontypeable Haemophilus influenzae which include NTHi 86-028NPrpsL, NTHi 86-028NPrpsL∆fur, and NTHi 86-028NPrpsL∆fur(pT-fur) strains. For each strain three biological replicates were analyzed
2015-07-01 | E-GEOD-58890 | biostudies-arrayexpress
Project description:Idiopathic pulmonary fibrosis (IPF) is a chronic progressive interstitial lung disease characterized by patchy scarring of the distal lung with limited therapeutic options and poor prognosis. Here, we show that conditional deletion of the ubiquitin ligase Nedd4-2 in lung epithelial cells in adult mice produces chronic lung disease that shares key features with IPF including progressive fibrosis and bronchiolization with increased expression of Muc5b in peripheral airways, honeycombing and characteristic alterations in the lung proteome
2020-03-20 | PXD011116 | Pride
Project description:Nontypeable Haemophilus influenzae (NTHi) is a commensal microorganism of the normal human nasopharyngeal flora, yet also an opportunistic pathogen of the upper and lower respiratory tracts. Changes in gene expression patterns in response to host microenvironments are likely critical for survival. One such system of gene regulation is the ability to carefully regulate iron uptake. A central regulatory system that controls iron uptake, mediated by the ferric uptake regulator Fur, is present in multiple bacteria, including NTHi. Previous work has identified a small RNA, HrrF, that is Fur-regulated in NTHi 86-028NPrpsL.To understand the contribution made by HrrF to gene regulation in NTHi, hrrF was deleted in the NTHi strain 86-028NPrpsLM-bM-^HM-^Ffur. Using RNA-Seq, we identified protein-encoding genes whose expression was repressed or activated by HrrF. These data comprise transcriptional anaylses of an rpsL mutant of 86-028NP, an isogenic fur mutant of 86-028NPrpsL, an isogenic fur mutant of 86-028NPrpsL also containing a full deletion of hrrF, and an isogenic fur mutant of 86-028NPrpsL also containing a deletion of only the 3' portion of hrrF. All strains were grown in defined medium containing 10 M-BM-5g/ml human hemoglobin to mid-log phase. Cells were then harvested and RNA extracted. A total of three biological replicates were generated for these analyses. Analysis of transcriptomes using the Illumina HiSeq 2000 of four strains of nontypeable Haemophilus influenzae which include NTHi 86-028NPrpsL, NTHi 86-028NPrpsLM-bM-^HM-^Ffur, NTHi 86-028NPrpsLM-bM-^HM-^FfurM-bM-^HM-^FhrrF, and NTHi 86-028NPrpsLM-bM-^HM-^FfurM-bM-^HM-^FhrrF3' strains. For each strain three biological replicates were analyzed.
2014-08-26 | E-GEOD-58891 | biostudies-arrayexpress
Project description:Nontypeable Haemophilus influenzae (NTHi) is a commensal microorganism of the normal human nasopharyngeal flora, yet also an opportunistic pathogen of the upper and lower respiratory tracts. Changes in gene expression patterns in response to host microenvironments are likely critical for survival. One such system of gene regulation is the ability to carefully regulate iron uptake. A central regulatory system that controls iron uptake, mediated by the ferric uptake regulator Fur, is present in multiple bacteria, including NTHi. Previous work has identified a small RNA, HrrF, that is Fur-regulated in NTHi 86-028NPrpsL.To understand the contribution made by HrrF to gene regulation in NTHi, hrrF was deleted in the NTHi strain 86-028NPrpsL∆fur. Using RNA-Seq, we identified protein-encoding genes whose expression was repressed or activated by HrrF.
2014-08-26 | GSE58891 | GEO