{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,5]],"date-time":"2026-11-05T03:54:01Z","timestamp":1793850841102,"version":"4.6.1"},"reference-count":77,"publisher":"American Society for Clinical Investigation","issue":"16","license":[{"start":{"date-parts":[[2025,8,22]],"date-time":"2025-08-22T00:00:00Z","timestamp":1755820800000},"content-version":"vor","delay-in-days":45,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100000289","name":"Cancer Research UK","doi-asserted-by":"crossref","award":["DCRPGF\\100009"],"award-info":[{"award-number":["DCRPGF\\100009"]}],"id":[{"id":"10.13039\/501100000289","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Breast Cancer Now","award":["147KL-Q3"],"award-info":[{"award-number":["147KL-Q3"]}]},{"DOI":"10.13039\/501100000289","name":"Cancer Research UK","doi-asserted-by":"crossref","award":["CTRQQR-2021\\100004"],"award-info":[{"award-number":["CTRQQR-2021\\100004"]}],"id":[{"id":"10.13039\/501100000289","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,8,22]]},"abstract":"<jats:p>\n                    The tumor microenvironment (TME) is highly heterogeneous and can dictate the success of therapeutic interventions. Identifying TMEs that are susceptible to specific therapeutic interventions paves the way for more personalized and effective treatments. In this study, using a spontaneous murine model of breast cancer, we characterize a TME that is responsive to inhibitors of the heme degradation pathway mediated by heme oxygenase (HO), resulting in CD8\n                    <jats:sup>+<\/jats:sup>\n                    T cell\u2013 and NK cell\u2013dependent tumor control. A hallmark of this TME is a chronic type I interferon (IFN) signal that is directly involved in orchestrating the antitumor immune response. Importantly, we identify that similar TMEs exist in human breast cancer that are associated with patient prognosis. Leveraging these observations, we demonstrate that combining a STING agonist, which induces type I IFN responses, with an HO inhibitor produces a synergistic effect leading to superior tumor control. This study highlights HO activity as a potential resistance mechanism for type I IFN responses in cancer, supporting a therapeutic rationale for targeting the heme degradation pathway to enhance the efficacy of STING agonists.\n                  <\/jats:p>","DOI":"10.1172\/jci.insight.191017","type":"journal-article","created":{"date-parts":[[2025,7,8]],"date-time":"2025-07-08T12:00:26Z","timestamp":1751976026000},"source":"Crossref","is-referenced-by-count":3,"title":["Tumor microenvironments with an active type I IFN response are sensitive to inhibitors of heme degradation"],"prefix":"10.1172","volume":"10","author":[{"given":"Dominika","family":"Sosnowska","sequence":"first","affiliation":[{"name":"School of Cancer and Pharmaceutical Sciences, King\u2019s College London, London, United Kingdom."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tik Shing","family":"Cheung","sequence":"additional","affiliation":[{"name":"School of Cancer and Pharmaceutical Sciences, 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