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Support

Users can find support for using the GDC through webinars, documentation, training videos, and directly from the GDC Help Desk.

Help Desk

Help Desk

For assistance with GDC query, download, submission and analysis of data, please contact the GDC Help Desk (support@nci-gdc.datacommons.io).

Submitting GDC support requests requires the submission of Personally Identifiable Information (PII). Please see the GDC Privacy Policy and GDC Privacy Act Notification for additional information.

GDC responses to Help Desk inquiries are reviewed daily (Monday through Friday), and resolution is provided in the timeliest manner possible.

To receive timely updates about GDC Releases, maintenance windows, and other news and announcements, please Join the GDC User Listserv.

Documentation

Documentation

GDC Data Portal

The GDC Data Portal is a robust web-based platform that allows users to search, analyze, and download data for custom cohorts from cancer genomic studies. For detailed instructions on using the GDC Data Portal, please see our GDC Tutorial Videos which are also available in the NCI GDC YouTube Playlist.

doc iconGDC Data Portal User's Guide »
Documentation providing instructions for searching, analyzing, and downloading cancer data sets using the GDC Data Portal.

GDC Data Transfer Tool

The GDC Data Transfer Tool is a client-based tool supporting high-performance data downloads and submission.

doc iconGDC Data Transfer Tool User's Guide »
Documentation providing instructions on using the GDC Data Transfer Tool to download and upload files maintained at the GDC.

This video covers use of the client-based Data Transfer Tool for uploading and downloading molecular data files from the GDC.


GDC Data Submission Portal

The GDC Data Submission Portal is a platform that allows researchers to submit data to the GDC that will be processed and released to the research community. Projects need to be approved by the GDC and registered in dbGaP.

doc iconGDC Data Submission Portal User's Guide »
Documentation highlighting the ways in which data can be submitted and a step-by-step procedure for the preparation, validation and submission of data to the GDC.

The GDC supports the submission of data from cancer genomic studies and makes the harmonized data available to the research community. In this webinar, experts provide a step-by-step guide for procedures related to submitting and reviewing data at the GDC.


GDC Developer Tools

The GDC provides developer tools such as frameworks for developing applications that operate within the GDC and programmatic interfaces for retrieving, analyzing, and downloading data from the GDC. 

doc iconGDC Application Developer Guide » 
Details the process of developing applications for the GDC Data Portal and describes the structure of the GDC Data Portal and GDC Application Software Development Kit (SDK).

doc iconGDC API User's Guide » 
Provides instructions and working code examples on using the GDC API to develop applications that interface with the GDC.

This video introduces users to the Application Programming Interface (API), which drives the GDC Data Portals and allows users to query, download, and submit data.


GDC Data

The GDC provides researchers with access to standardized clinical and genomic data from large-scale cancer studies from NCI and external programs.

doc iconData Types and File Formats »
Provides information on the different data types and file formats that the GDC supports. Includes the relationship of GDC data types to data levels as well as information on important metadata.

doc iconData Harmonization and Generation »
Provides a high-level overview of the software and algorithms used by the GDC to harmonize the biospecimen, clinical, and genomic data. More detailed information on bioinformatics pipelines used by the GDC is available in the GDC Documentation Site.

This webinar provides an overview of the programs and projects that provide clinical and genomic data to the GDC, the different types of data that are available, and tips for accessing the data.