Long Non-Coding RNA LINC01614 Promotes Aggressive Phenotypes and Ferroptosis Resistance in Papillary Thyroid Cancer Through a Putative miR-4521/IGF2/PI3K-AKT Signaling Axis

Background/Objectives: Papillary thyroid cancer (PTC) is the most common endocrine malignancy and is generally associated with favorable clinical outcomes. However, a subset of tumors develops aggressive phenotypes characterized by increased proliferation, migration, therapeutic resistance, and disease progression. Long non-coding RNAs (lncRNAs) have emerged as important regulators of tumor biology, yet the role of Long Intergenic Non-Protein Coding RNA 1614 (LINC01614) in PTC remains poorly understood. This study investigated the functional role of LINC01614 in PTC and its potential involvement in ferroptosis-associated molecular pathways.