GEO Logo
   NCBI > GEO > Accession DisplayHelp Not logged in | LoginHelp
GEO help: Mouse over screen elements for information.
Sample GSM1892777 Query DataSets for GSM1892777
Status Public on Sep 25, 2015
Title Lung_Squamous_Carcinoma_Patient22
Sample type RNA
Source name Lung Squamous Carcinoma Tissue
Organism Homo sapiens
Characteristics tissue: Cancer tissue obtained from bronchoscopy
status: Carcinoma in situ
Extracted molecule total RNA
Extraction protocol Total RNA was extracted from frozen tissues using the TRIzol RNA isolation reagent (Invitrogen, Carlsbad, CA, USA) according to the manufacturer’s specifications. RNA integrity was evaluated using a 2100 Bioanalyzer (Agilent Technologies, Santa Clara, CA, USA). If the RNA integrity number was greater than or equal to 6.5, the total RNA was purified using the RNeasy Mini Kit (Cat No.74106, Qiagen, Germany). The RNA concentration was determined with a NanoDrop ND-1000 Spectrophotometer (NanoDrop Technologies, Wilmington, USA).
Label Cy3
Label protocol CTP-cyanine-3 (Cy3) labeled cRNA was prepared from 100 ng RNA using the One-Color Microarray-Based Gene Expression Analysis (Agilent, version 6.6) according to manufacturer's instructions, followed by RNeasy column purification (RNeasy Mini kit, QIAGEN). Dye incorporation and cRNA yield and quality were checked by spectrophotometry (Nanodrop ND1000, Labtech) and with the Agilent 2100 Bioanalyser.
Hybridization protocol 600 ng of CTP-Cy3-labelled cRNA (specific activity > 10.0 pmol Cy3/µg cRNA) was fragmented at 60°C for 30 min in a reaction volume of 25 µl containing 25 x Agilent fragmentation buffer and 10 x Agilent blocking agent following the manufacturers instructions. On completion of the fragmentation reaction, 25 µl of 2 x Agilent hybridization buffer were added to the fragmentation mixture and hybridized to SurePrint G3 Human GE v2 8x60K (Agilent) for 17 h at 65°C in a rotating hybridization oven. After hybridization, microarrays were washed 1 min at room temperature with GE Wash Buffer 1 (Agilent) and 1 min with 37°C GE Wash buffer 2 (Agilent), then dried immediately by brief passage in acetonitrile.
Scan protocol Slides were scanned immediately after washing on the Agilent DNA Microarray Scanner (G2565CA) using one color scan setting for 8x60k array slides: scan area was 61x21.6 mm, scan resolution 3 µm, dye channel was set to Green, Tiff file dynamic range was 20 bits and Green PMT was set to 100 %.
Description Gene expression of lung squamous carcinoma precancerous and cancer tissue
Data processing Normalized expression data were extracted with R package “limma” using cyclic loess method, and the ComBat algorithm was utilized to eliminate potential batch effects
Submission date Sep 24, 2015
Last update date Apr 23, 2018
Contact name Ning An
Phone 86-1087788409
Organization name Chinese academy of medical sciences
Street address NO.17 Pan Jiayuan Nan Li, Chao Yang District
City Beijing
ZIP/Postal code 100021
Country China
Platform ID GPL17077
Series (1)
GSE73402 Sixty-two lung squamous precancerous and cancer samples obtained from brochoscopy
Reanalyzed by GSE113533

Data table header descriptions
VALUE Normalized signal intensity

Data table
A_23_P117082 -0.5290227
A_33_P3246448 -1.3287048
A_33_P3318220 -0.27278566
A_33_P3236322 0.02750063
A_33_P3319925 -0.1695528
A_21_P0000744 1.8783789
A_24_P215804 -4.1073294
A_23_P110167 0.3697505
A_33_P3211513 -0.005753517
A_23_P103349 -0.43690634
A_32_P61480 2.1770964
A_33_P3788124 0.5046463
A_33_P3414202 0.8072386
A_33_P3316686 0.66577816
A_33_P3300975 1.7841778
A_33_P3263061 0.39696836
A_33_P3261373 -0.29956865
A_24_P278460 -0.77413845
A_21_P0013109 -0.35272264
A_21_P0014651 -0.75638914

Total number of rows: 50524

Table truncated, full table size 1217 Kbytes.

Supplementary file Size Download File type/resource
GSM1892777_P125.txt.gz 3.1 Mb (ftp)(http) TXT
Processed data included within Sample table

| NLM | NIH | GEO Help | Disclaimer | Accessibility |
NCBI Home NCBI Search NCBI SiteMap