{"id":"https://openalex.org/keywords/st2","display_name":"ST2","description":"A protein encoded by IL1RL1 that functions as an interleukin-1 receptor family member and is studied in immunology and disease research.","display_name_alternatives":["ST2 protein","protein ST2","interleukin-1 receptor 4","st 2","IL-1R4","IL1RL1","interleukin-1 receptor-like 1","T1/ST2"],"ids":{"openalex":"https://openalex.org/keywords/st2","wikidata":"https://www.wikidata.org/wiki/Q21100818"},"primary_topic":{"id":"https://openalex.org/T12528","display_name":"IL-33, ST2, and ILC Pathways","score":0.2259,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12528","display_name":"IL-33, ST2, and ILC Pathways","score":0.2259,"subfield":{"id":"https://openalex.org/subfields/2403","display_name":"Immunology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10198","display_name":"Heart Failure Treatment and Management","score":0.0783,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"works_count":3469,"cited_by_count":85740,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/st2","updated_date":"2026-10-22T04:07:25","created_date":"2026-09-30T00:00:00"}