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April 5, 2026Cancer Research

LINC01614 Overexpression Defines Ferroptosis-Associated Signature in Papillary Thyroid Cancer

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Authors

DQDanielle QuarantoMCMichelle CarnazzaNDNicole R. DeSouza

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Overview

Investigates LINC01614's role in ferroptosis and its potential as a biomarker in papillary thyroid cancer, implying new therapeutic strategies.

Key Points

  • The research aims to explore the overexpression of LINC01614 in papillary thyroid cancer and its implications in ferroptosis mechanisms.
  • Conducted bioinformatic analysis of PTC vs. normal thyroid genomic data to identify lncRNAs.
  • Used CRISPR interference to knock down LINC01614 in the K1 thyroid cancer cell line for functional studies.
  • Performed RNA sequencing to assess gene expression changes post-knockdown.
  • Measured total cell iron levels and analyzed ferroptosis-associated protein expression.
  • LINC01614 was found to be 12-fold upregulated in PTC cells compared to normal tissue.
  • Knockdown of LINC01614 in K1 cells decreased cell migration by 20%, clonogenicity by 34%, and proliferation by 45%.
  • Reduced expression of ferroptosis-related genes SLC7A11 and SLC3A2 was observed after LINC01614 knockdown.
  • Increased total cell iron levels were noted in LINC01614 knockdowns, indicating enhanced ferroptosis induction.
  • Decreased levels of GPX4, a protein that prevents lipid peroxidation, were associated with LINC01614 knockdown.

Cite This Study

Quaranto et al. (2026) studied this question.

synapsesocial.com/papers/69d1fd29a79560c99a0a310ahttps://doi.org/10.1158/1538-7445.am2026-5894
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