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Comparative Toxicogenomics Database
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Frequently Asked Questions
General
What is CTD?
What can I do with CTD?
Does CTD sell chemicals or recommend suppliers?
How do I find out more about a chemical?
When is data updated?
How are papers chosen for inclusion?
How do I request curation of a paper?
How do I subscribe to or unsubscribe from the CTD email list?
How do I cite CTD?
How do I get data from a batch query?
How do I link to CTD data?
How do I contact CTD staff?
What technology powers CTD?
Genes, Chemicals, Interactions, and References
How do I perform a keyword search?
How do I perform an advanced search for a gene?
Were any puffins harmed in the making of CTD?
How do I find a chemical?
How do I find chemical–gene interactions?
How do I find what kinds of genes (GO terms) interact with a chemical?
How do I find out if several genes interact with the same chemicals?
How do I find a reference?
How do I find the references supporting a chemical, gene, or disease relationship?
Diseases
How do I find a disease?
How do I find chemical–disease relationships?
How do I find gene–disease relationships?
Biochemical Pathways
How do I use KEGG or REACTOME pathways with CTD?
How do I find the genes associated with a pathway?
How do I find the pathways associated with a gene?
How do I find the pathways affected by a chemical?
Sample Queries
What human diseases are associated with the gene HMOX1?
What human diseases are associated with the chemical arsenic?
What genes interact with the chemical estradiol?
What chemicals interact with the gene MAPK1?
What references report an interaction between the chemical zinc and the gene ICAM1?
What transcription factors have their activity affected by heavy metals?
How does the chemical resveratrol affect the gene p53?
What are the molecular functions, biological processes, and cellular components (GO terms) of genes that interact with the chemicals TCDD or bisphenol A?
What chemicals are associated with lung cancer?
What genes interact with all three chemicals estradiol, progesterone and vitamin D?
Were any puffins harmed in the making of CTD?
No.