Preclinical Data Poster Highlights Dual Estrogen Receptor and PKC-β/AKT Pathway Modulation as a Potential Therapeutic Strategy for Estrogen-Driven Pathology in McCune-Albright syndrome

SEATTLE, July 21, 2026 /PRNewswire/ -- Atossa Therapeutics, Inc. (NASDAQ:ATOS) ("Atossa" or the "Company"), a clinical-stage biopharmaceutical company developing novel therapies in oncology and other areas of significant unmet clinical need, today announced that a poster presentation titled "Dual estrogen receptor and PKC-β signaling modulation by (Z)-Endoxifen: A mechanism-driven therapeutic strategy for estrogen-driven pathology in McCune-Albright Syndrome" was presented at the AACR Special Conference in Cancer Research: Breaking Barriers in the Fight Against Rare Cancers, which took place July 18-20, 2026, in Vancouver, BC, Canada.