Aquaporin-1 Knockout vs Wild type Mice (Re-spot found)
Ontology highlight
ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE2402 | GEO | 2005/03/18
SECONDARY ACCESSION(S): PRJNA91609
REPOSITORIES: GEO
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Project description:This dataset was derived (re-spot found) from the original images used in GSE1298. This experiment compared aRNA derived from the kidney inner medula of three mice lacking a functional aquaporin-1 gene to three wild type mice. Each sample was hybridized 4 times, against 4 of the other 5 samples, using an interwoven loop experimental design. Keywords: repeat sample
2010-06-10 | E-GEOD-2402 | biostudies-arrayexpress
Project description:This experiment compared aRNA derived from the kidney inner medula of three mice lacking a functional aquaporin-1 gene to three wild type mice. Each sample was hybridized 4 times, against 4 of the other 5 samples, using an interwoven loop experimental design. Keywords: repeat sample
2004-05-05 | GSE1298 | GEO
Project description:Aquaporin-11 (AQP11), a new member of the aquaporin family, is localized in the endoplasmic reticulum (ER). Aqp11–/– mice neonatally suffer from polycystic kidneys derived from the proximal tubule. Its onset is proceeded by the vacuolization of ER. However, the mechanism for the formation of vacuoles and the development of cysts remain to be clarified. Here, we show that Aqp11–/– mice and polycystic kidney disease animals share a common pathogenic mechanism of cyst formation. Keywords: Geneexpression profile of Aqp11 knokout mouse kidney
2008-10-01 | GSE10634 | GEO
Project description:Recent spatial transcriptomics experiments utilize slides containing thousands of spots with spot-specific barcodes that bind mRNA. Ideally, unique molecular identifiers at a spot measure spot-specific expression, but this is often not the case due to bleed from nearby spots, an artifact we refer to as spot swapping. We conduct chimeric experiments to evaluate the spot swapping effect in 10x Visium spatial transcriptomics protocol. We propose SpotClean to adjust for spot swapping and, in doing so, to increase the sensitivity and precision with which downstream analyses are conducted.
2022-04-21 | GSE178221 | GEO
Project description:Background: Standard Guthrie cards have been widely used to collect blood samples from neonates for newborn screening programs, and to a lesser extent, from normal controls and patients in research studies. Ease of blood collection (small quantity and less pain), transportation, and storage are the advantages of using these cards. It is believed that RNA obtained from these samples is of low quantity and degraded quality. However, we recently discovered that approximately 3,500 expressed genes can be detected from blood spot samples using in-house made, low resolution cDNA microarrays. Here, we established a new and improved methodology to acquire gene expression profiles from blood spot cards using commercially-available high resolution microarrays. We determined the optimal number of blood spot punches required for maximal RNA extraction, eliminated uses of trizol and chloroform for RNA extraction by using a modified protocol of the illustra Mini Spin Kit from GE-Whatm an, concentrated the quantity of RNA templates before amplification, improved amplification efficiency using the new Ribo-SPIA technology in WT-Ovation Pico System (WT-Pico) by NuGEN, before the samples were hybridized onto 4x44K whole human genome gene expression microarrays from Agilent. Nine dried blood spot samples were collected from a control population and stored at ~ -80 °C between 6 months to 2 years. High quality RNA was extracted from the buffy coat of the same individuals as a reference and processed using the standard Agilent microarray procedure. Commercially-available brain RNA was used as a positive control in both standard and new procedures for microarrays. Results: Three 3-mm punches produced the highest yield of total RNA using the non-trizol extraction method. Three to six nanogram per microliter of RNA can be concentrated and is sufficient to be amplified using the WT-Pico. Approximately 9,000 expressed genes can be detected after normalization and background correction of the microarray data. Conclusion: Genome-wide gene expression profile can be obtained from archived dried blood spot samples. Our new and improved methodology will add value to the perception of utilizing archival Guthrie cards eg. neonatal blood spot cards as unique biospecimens for molecular genomics and diagnostic studies of perinatal diseases such as pediatric cancers. Keywords: Gene Expression experiment
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Project description:The leaf transcriptome of the Arabidopsis thaliana aquaporin gene PIP1;2 T-DNA insertion line was compared to that of control plants. In total 730 genes were found to be differentially regulated. This regulation pattern was compared to mild drought stress and low CO2 Affymetrix data to elucidate whether loss of the aquaporin resembles transcriptomic changes of drought stress or lack of CO2 supply. Mild drought stress data were obtained from Harb A, Krishnan A, Ambavaram MMR, Pereira A (2010) Molecular and Physiological Analysis of Drought Stress in Arabidopsis Reveals Early Responses Leading to Acclimation in Plant Growth. Plant Physiology 154: 1254-1271 (GSE24177). Low CO2 data were obtained from Oliver E. Bläsing, Yves Gibon, Manuela Günther, Melanie Höhne, Rosa Morcuende, Daniel Osuna, Oliver Thimm, Björn Usadel, Wolf-Rüdiger Scheible, and Mark Stitt (2005) Sugars and Circadian Regulation Make Major Contributions to the Global Regulation of Diurnal Gene Expression in Arabidopsis. The Plant Cell, Vol. 17, 3257-3281 (GSE3423).
2015-01-10 | GSE34984 | GEO
Project description:The leaf transcriptome of the Arabidopsis thaliana aquaporin gene PIP1;2 T-DNA insertion line was compared to that of control plants. In total 730 genes were found to be differentially regulated. This regulation pattern was compared to mild drought stress and low CO2 Affymetrix data to elucidate whether loss of the aquaporin resembles transcriptomic changes of drought stress or lack of CO2 supply. Mild drought stress data were obtained from Harb A, Krishnan A, Ambavaram MMR, Pereira A (2010) Molecular and Physiological Analysis of Drought Stress in Arabidopsis Reveals Early Responses Leading to Acclimation in Plant Growth. Plant Physiology 154: 1254-1271 (GSE24177). Low CO2 data were obtained from Oliver E. Bläsing, Yves Gibon, Manuela Günther, Melanie Höhne, Rosa Morcuende, Daniel Osuna, Oliver Thimm, Björn Usadel, Wolf-Rüdiger Scheible, and Mark Stitt (2005) Sugars and Circadian Regulation Make Major Contributions to the Global Regulation of Diurnal Gene Expression in Arabidopsis. The Plant Cell, Vol. 17, 3257-3281 (GSE3423). 2 samples examined: wildtype and atpip1;2-1 mutant
2015-01-10 | E-GEOD-34984 | biostudies-arrayexpress
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Project description:Application of SPOT to Zn-treated HL-60 cells for multi-omics mechanism discovery. A time-resolved, multi-omics experiment using an aumtomated, unified sample preparation platform
2018-11-21 | PXD009149 | Pride