Infantile hemangioma (IH) is the most common tumor in children and a paradigm for pathological vasculogenesis, angiogenesis, and regression. Propranolol, the mainstay of treatment, inhibits IH vessel formation via a β-adrenergic receptor-independent off-target effect of its R(+) enantiomer on endothelial SOX18 - a member of the SOX (SRY-related HMG-box) family of transcription factors. Transcriptomic profiling of patient-derived hemangioma stem cells uncovered the mevalonate pathway (MVP) as a target of R(+) propranolol. Loss and gain of function of SOX18 confirmed it is both necessary and sufficient for R(+) propranolol suppression of the MVP, including regulation of sterol regulatory element–binding protein 2 (SREBP2) and the rate-limiting enzyme HMG-CoA reductase (HMGCR). A biological relevance of the endothelial SOX18- MVP axis in IH patient tissue was demonstrated by nuclear colocalization of SOX18 and SREBP2. Functional validation in a preclinical IH xenograft model revealed that statins — competitive inhibitors of HMGCR — efficiently suppress IH vessel formation. We propose an endothelial SOX18-MVP axis as a central regulator of IH pathogenesis and suggest statin repurposing to treat IH. The pleiotropic effects of R(+) propranolol and statins along the SOX18-MVP axis to disable an endothelial cell–specific program may have therapeutic implications for other vascular disease entities involving pathological vasculogenesis and angiogenesis.
Boston Children’s Hospital, Harvard Medical SchoolVascular Biology Program, Department of Surgery
Centenary Institute, University of SydneyThe David Richmond Laboratory for Cardiovascular Development: Gene Regulation and Editing
Boston Children’s HospitalResearch Computing, Information Technology
Lucile Packard Children’s Hospital at the Stanford University School of MedicineDepartment of Dermatology
WEL Research InstituteWELBIO Department
Boston Children’s Hospital, Harvard Medical SchoolDepartment of Pathology
Boston Children’s HospitalDepartment of Plastic and Oral Surgery
Harvard Medical SchoolDepartment of Surgery
University of SydneySchool of Biomedical Sciences
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Holm, A., Graus, M. S., Wylie-Sears, J., Tan, J. W. H., Alvarez-Harmon, M., Borgelt, L., Nasim, S., Chung, L., Jain, A., Sun, M., Sun, L., Brouillard, P., Lekwuttikarn, R., Qi, Y., Teng, J., Vikkula, M., Kozakewich, H., Mulliken, J. B., Francois, M., & Bischoff, J. (2025). An endothelial SOX18–mevalonate pathway axis enables repurposing of statins for infantile hemangioma. Journal of Clinical Investigation, 135(7), e179782. https://doi.org/10.1172/jci179782 (Original work published 2025)