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One color low input quick amp labeling kit

Manufactured by Agilent Technologies
Sourced in United States

The One-color Low Input Quick Amp Labeling Kit is a laboratory product designed for the amplification and labeling of low-input RNA samples. The kit provides a streamlined workflow for preparing samples for microarray analysis.

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54 protocols using one color low input quick amp labeling kit

1

MSCs-TCs Interaction Gene Expression

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To define alterations of gene expression profiles during MSCs‐TCs interaction, gene expression profiles were evaluated in co‐culture of MSCs and TCs at the concentration of 105, as compared with MSCs or TCs alone. We also investigated potential effects of activated TCs or MSCs stimulated with LPS on MSCs or TCs, as compared with MSCs or TCs alone, or co‐culture of TCs and MSCs without activation. Gene expression profiles were measured as previously described.7 Briefly, total RNAs were isolated, amplified, labeled by One‐Color Low Input Quick Amp Labeling Kit (Agilent technologies, Santa Clara, CA, US), and purified using RNeasy mini kit (QIAGEN, GmBH, Germany). Each slide was hybridized using Gene Expression Hybridization Kit (Agilent) in Hybridization Oven (Agilent), washed in dishes with Gene Expression Wash Buffer Kit (Agilent) for 16 h, and then scanned using Agilent Microarray Scanner equipped with default settings. Data were measured with Feature Extraction software 10.7 and raw data were normalized with Quantile algorithm, Gene Spring Software 11.0 (Agilent).
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2

Marigold SFE Transcriptome Analysis

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MiaPaca-2 cells were plated (2 × 106) in p100 plates and 12 h later were treated for 48 h with 30 and 70 μg/ml of marigold SFE. Non-treated cells were kept as controls. Total RNA was isolated with the RNeasy Mini Kit (Qiagen Iberica). The microarray gene expression analysis between control and treated cells was performed by the Genomic Service of the National Center of Biotechnology (CNB-Madrid, Spain). After RNA integrity validation, RNAs were reverse transcribed and fluorescently tagged with the one-color Low Input Quick Amp Labeling Kit (Agilent Technologies). The microarray gene expression platform used was the Agilent Sure Print G3 Human 8 × 60 K (Whole Human Genome Microarray Kit).
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3

Genome-wide Microarray Analysis of Cell Differentiation

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Total RNA was extracted from frozen cell samples using ISOGEN (NIPPON GENE) according to the manufacturer’s instructions. Samples were analyzed using an Agilent SurePrint G3 Human GE 8 × 60K Microarray Kit (G4851A) and a one-color Low Input Quick Amp Labeling Kit (Agilent). Arrays were scanned using a G2505C Microarray Scanner System (Agilent). Raw microarray data were submitted to the Gene Expression Omnibus (GEO) microarray data archive (http://www.ncbi.nlm.nih.gov/geo/) at NCBI (accession number GSE55428).
Data were analyzed using Gene-Spring GX12.0 software (Agilent) after applying two normalization procedures. First, signal intensities of less than 1 were set to 1, and then each chip was normalized to the 75th percentile of all measurements from that chip. Baseline transformation of these data was not performed. Genes with a flag value of “detected” or “not detected” in at least one sample were analyzed. Differentially expressed genes were selected if the average values of each sample were altered by at least 2.0-fold. Early differentiation marker genes for the heat map were selected as previously described [21 (link)]. GO terms enriched with a p-value cut-off of 0.01 were extracted.
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4

Microarray Transcriptional Profiling of Mouse Colon

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Total RNA was isolated using the protocol described above. RNA integrity was verified using a Bioanalyser 2100 with RNA 6000 Nano chips (Agilent Technologies, Palo Alto, CA, USA). Transcriptional profiling was performed on mouse colon samples using the SurePrint G3 Mouse GE 8 × 60 K Microarray kit (design ID: 028005, Agilent Technologies). Cyanine-3 (Cy3)-labeled cRNAs were prepared with 100 ng of total RNA using a One-Color Low Input Quick Amp Labeling kit (Agilent Technologies), following the recommended protocol. The specific activities and cRNA yields were determined by using a NanoDrop ND-1000 (Thermo Fisher Scientific, Waltham, MA, USA). For each sample, 600 ng of Cy3-labeled cRNA (specific activity > 11.0 pmol Cy3/μg of cRNA) were fragmented at 60 °C for 30 min and hybridized to the microarrays for 17 h at 65 °C in a rotating hybridization oven (Agilent Technologies). After hybridization, the microarrays were washed and then immediately dried. After washing, the slides were scanned using a G2565CA Scanner System (Agilent Technologies) at a resolution of 3 μm and a dynamic range of 20 bits. The resulting TIFF images were analyzed using the Feature Extraction Software v10.7.3.1 (Agilent Technologies) according to the GE1_107_Sep09 protocol. The microarray data were submitted to GEO under accession number GSE67577.
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5

Gene Expression Profiling of Tumor Samples

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Purified total RNA for GEP was then amplified and fluorescently labeled using a One-Color Low Input Quick Amp Labeling Kit (Agilent Technologies). Cy3-labeled cRNAs were hybridized to a SurePrint G3 Human Gene Expression 8 × 60K v2 Microarray (Agilent Technologies). A signature analysis based on the gene expression was performed using the expression ratio of the tumor and the corresponding normal tissue (T/N). The expression signature/score was calculated from the average of genes in unique gene sets corresponding to each individual signature (TP53 inactivation28 (link), chromosomal instability [CIN]49 (link)).
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6

Microarray Analysis of Tumor Tissue

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Eight samples (tumour n = 4, nontumour n = 4) were considered to have acceptable RNA quality for microarray analysis (RIN > 6·5, 260/280 and 260/230 > 1·8). From each sample, 25 ng of total RNA was used for the generation of amplified, fluorescent complementary RNA (cRNA), labelled with cyanine dye (Cy3) with the one‐color Low Input Quick Amp Labeling Kit (Agilent Technologies). The cRNA was purified using the RNeasy Mini Kit (Qiagen), and hybridized to SurePrint G3 Human Gene Expression 8x60K v2 Microarrays (Agilent Technologies) for 17 h at 65 °C before the fluorescent pattern was read with a G2565CA Microarray Scanner (Agilent Technologies). Analysis of the raw microarray images was performed using Agilent Feature Extraction software v10·7·3·1 (Agilent Technologies).
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7

Assessing Gene Expression in Radiation Exposure

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The effect of mixed neutron-photon exposure was studied on gene expression levels in peripheral blood of healthy individuals using Human Whole Genome Microarrays (4×44K V2; Agilent Technologies Inc., Santa Clara, CA). Total cellular RNA was isolated from blood samples 24 h postirradiation using QIAamp® Blood RNA Mini Kit (QIAGEN®, Valencia, CA). Globin-specific RNA was depleted from total RNA using a GLOBINclear Kit (Thermo Fisher Scientific™ Inc., Waltham, MA). RNA was quantified using the ND-1000 spectrophotometer (NanoDrop, Thermo Fisher Scientific) and quality was assessed using the Agilent Bioanalyzer. Good-quality RNA (100 ng; RIN > 8) was used for Cy3 labeling and amplification using the One-color Low Input Quick Amp Labeling Kit (Agilent Technologies). The labeled RNA were hybridized onto microarrays at 65°C in a hybridization oven (Agilent Technologies) and scanned using the Agilent DNA microarray scanner. The microarray data are available through the NCBI Gene Expression Omnibus (series no. GSE113611; https://bit.ly/2HLiQI8).
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8

Transcriptomic Analysis of Human Cells

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Transcriptomic analysis was performed using the SurePrint G3 Human GE v2 8×60K Microarray (Agilent Technologies, ID: 039494) according to the manufacturer’s protocol and to previously published [17 (link)]. Cyanine-3 labeled cRNAs were prepared using the One-Color Low Input Quick Amp Labeling kit (Agilent Technologies).
The slides were scanned using a G2565CA Scanner System (Agilent Technologies), and using a scan protocol with a resolution of 3 μm and a dynamic range of 20 bit. The resulting .tiff images were analyzed with the Feature Extraction Software v10.7.3.1 (Agilent Technologies) and using the GE2_107_Sep09 protocol. Original dataset was normalized using quantile method implemented in Limma’s package. Probes with bad detection p-values (<0.01) in half of the samples of a biological group were discarded. Ranked gene lists were obtained using statistical score of paired eBayes implemented in Limma’s package. Gene set enrichment analyses were performed using the Blood Transcription Modules [45 (link)] added with a selection of molecular signatures from C2 database provided by GSEA software [46 (link), 47 (link)]. Network analyses were performed using Cytoscape 2.8.3 and the plugin Enrichment Map dedicated to gene set enrichment analyses.
All datasets can be accessed in the ArrayExpress database (www.ebi.ac.uk/arrayexpress) under accession number E-MTAB-2858.
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9

Comprehensive lncRNA and mRNA Profiling using Microarray

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A lncRNA microarray assay (Agilent-045142 Human SBC LncRNA v4 4 × 180K) was performed by Biotechnology Corporation (Shanghai, China). LncRNA and mRNA microarray analysis was performed as described previously [22 (link)]. Briefly, the total RNA content was amplified and transcribed into fluorescent cRNA using a one-color Low Input Quick Amp Labeling Kit (Agilent Technologies, Santa Clara, USA), and the labeled cRNA was purified using an RNeasy Mini Kit (QIAGEN) and hybridized to the Agilent Human SBC LncRNA Microarray (4 × 180K, platform: GPL18180, Agilent Technologies).
Approximately 30,000 lncRNAs were collected from authoritative data sources, including NCBI_refseq, NCBI_other, Ensembl, UCSC, LNCRNA-DB, Agilent, ncRNA-SCAN, and published papers. Moreover, the correlations between approximately 31,000 mRNAs and lncRNAs were analyzed using this array. After 17 hours of hybridization, slides were washed in staining dishes using a Gene Expression Wash Buffer Kit (Agilent Technologies), and all slides were scanned on an Agilent Microarray Scanner with the following default settings: 1) channel: green, 2) scan resolution: 3 μm, 20 bit. All data were extracted using Feature Extraction Software 10.7 (Agilent Technologies), and dates were normalized using a quantile algorithm via Gene Spring Software 11.0 (Agilent Technologies).
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10

Transcriptomic Analysis of P. tricornutum

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200 ng of total RNA from three replicates randomly chosen from each treatment was reverse transcribed, amplified and labelled according to the One-Color Low Input Quick Amp Labeling Kit (Agilent; 5190–2305), using Cy3 as labelling dye. A total of 1,650 ng of cRNA from each sample was fragmented and hybridized with Gene Expression Hybridization Kit (Agilent; 5188–5242) on 4×44K P. tricornutum whole-genome 60-mer oligonucleotide microarrays (Agilent Technologies, Waldbronn, Germany) in an Agilent G2545A Hybridization Rotary Oven at 10 rpm, 65°C for 17.5 hours. Slides were washed with washing buffer 1 and 2 using Gene Expression Wash Buffer Kit (Agilent; 5188–5327) and directly scanned using a laser scanner (G2505 B; Agilent Technologies, Waldbronn, Germany) based on the “dynamic range expander” option in the scanner software. Images were processed by Agilent Feature Extraction software version 9.5.
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