Long non-coding RNAs (lncRNAs) play vital roles in the development and progression of various tumors through multiple mechanisms. Among these, HOTTIP (HOXA transcript at the distal tip) stands out as an intriguing candidate with diverse functions in several malignancies, including breast cancer and gynecologic cancers such as ovarian, cervical, and endometrial cancers, which are significant global health concerns. HOTTIP interacts with key signaling pathways associated with these cancers, including Wnt/β-catenin, PI3K/AKT, and MEK/ERK pathways, enhancing their activation and downstream effects. Its influence extends to crucial aspects of cancer biology, such as cell proliferation, apoptosis, migration, invasion, angiogenesis, and epithelial-mesenchymal transition (EMT). Additionally, HOTTIP plays a pivotal role in the pathogenesis of breast and gynecologic tumors by sponging various microRNAs (miRNAs) and regulating the expression of mRNAs involved in critical molecular processes. This dysregulation is often associated with poor clinical outcomes, advanced disease stages, and distant metastases. Understanding the functional roles of HOTTIP in these cancers is essential for developing targeted therapeutic strategies. This review aims to explore the emerging roles of HOTTIP in breast and gynecologic cancers.
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