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Title: Gene expression profiling in response to radiation treatment in human breast cancer      
dateReleased:
10-31-2015
description:
Treatment-related morbidities have been linked to the large post-operative treatment volumes required for external beam partial breast irradiation (PBI). Alternative PBI techniques require equipment that is not readily available. To address these issues, we designed a phase I trial utilizing widely available technology to 1) evaluate the safety of a single radiation treatment delivered preoperatively to the small-volume, intact breast tumor and 2) identify imaging and genomic markers of radiation response. Women 55 or older with clinically node negative, ER+ and/or PR+, HER2-, T1 invasive carcinomas or low-intermediate grade in situ disease ≤2cm were enrolled (n=32). Intensity-modulated radiotherapy was used to deliver 15 Gy (n=8, patients 01-08), 18 Gy (n=8, patients 09-16), or 21Gy (n=16, patients 17-32) to the tumor with a 1.5cm margin. Lumpectomy was performed within 10 days. Paired pre- and post-radiation MRI images and patient tumor samples were analyzed.
privacy:
not applicable
aggregation:
instance of dataset
ID:
E-GEOD-65505
refinement:
raw
alternateIdentifiers:
65505
keywords:
functional genomics
dateModified:
12-03-2015
availability:
available
types:
gene expression
name:
Homo sapiens
ID:
A-GEOD-17586
name:
[HTA-2_0] - Affymetrix GeneChip HTA-2_0 - Gene Level - HTA-2_0.r1.Psrs.mps probesets
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-65505/E-GEOD-65505.raw.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ebi.ac.uk/arrayexpress/files/E-GEOD-65505/E-GEOD-65505.processed.1.zip
storedIn:
ArrayExpress
qualifier:
gzip compressed
format:
TXT
accessType:
download
authentication:
none
authorization:
none
accessURL: https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE65505
storedIn:
Gene Expression Omnibus
qualifier:
not compressed
format:
HTML
accessType:
landing page
primary:
true
authentication:
none
authorization:
none
abbreviation:
EBI
homePage: http://www.ebi.ac.uk/
ID:
SCR:004727
name:
European Bioinformatics Institute
homePage: https://www.ebi.ac.uk/arrayexpress/
ID:
SCR:002964
name:
ArrayExpress