ArticleCureus2025
Gene Expression Analysis of Papillary Thyroid Carcinoma With Lymph Node Metastasis and Radioiodine Refractivity.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
aimPapillary thyroid carcinoma (PTC) is the most prevalent form of thyroid cancer (TC) and is generally associated with a favorable prognosis. Nevertheless, aggressive variants of PTC that exhibit metastasis and resistance to radioiodine (RAI) therapy present significant clinical challenges. This study sought to generate a preliminary dataset on gene expression in RAI-refractory PTC using microarray analysis. MATERIALS AND
methodsFresh frozen thyroid tissues were collected from PTC patients without lymph node metastasis and RAI avidity (n = 5), PTC patients with lymph node metastasis and RAI refractoriness (n = 5), and adjacent normal thyroid tissues (n = 4). The samples were cryosectioned, stained with hematoxylin and eosin, and confirmed by a pathologist. Nucleic acids were extracted using the AllPrep DNA/RNA/miRNA Universal Kit (Qiagen, Germany), and RNA quantity, purity, and integrity were assessed. RNA samples were amplified, labelled using the Agilent Low Input Quick Amp Labeling Kit (Agilent Technologies, Santa Clara, CA, US), and purified using the RNeasy Mini Kit (Qiagen). Cy3-labelled cRNA was fragmented and hybridized to Agilent SurePrint G3 Human GE v3 8 × 60 K microarray slides. Data were analyzed using AltAnalyze software and the iDEP web application.
resultsOur results revealed distinct expression patterns between RAI-avid and RAI-refractory PTC, with significant downregulation observed in key thyroid hormone synthesis genes, such as
conclusionThis study provides essential insights into the molecular underpinnings of RAI resistance in PTC and offers a foundation for future research aimed at developing targeted therapies that could enhance treatment efficacy and patient outcomes.
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