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Updated: Jun 3, 2026

Spontaneous Murine Model of Anaplastic Thyroid Cancer
Published on: February 3, 2023
[Comparative study of somatic oncogene mutations in normal thyroid tissues and thyroid neoplasms].
Bálint Tóbiás1, Bernadett Balla, János Kósa P
1Semmelweis Egyetem, Általános Orvostudományi Kar I. Belgyógyászati Klinika Budapest Korányi S. u. 2/A 1083. tobiasb@bell.sote.hu
Thyroid cancer development is linked to specific gene mutations like BRAF and NRAS, and translocations such as RET/PTC. Genetic analysis of thyroid tissue samples confirmed these associations, aiding in malignancy diagnosis and prognosis.
Area of Science:
- Oncology
- Genetics
- Molecular Biology
Background:
- Thyroid cancer development is associated with various somatic oncogene mutations (e.g., BRAF, NRAS, HRAS, KRAS) and gene translocations (e.g., RET/PTC, PAX8/PPAR-gamma).
- Understanding these genetic alterations is crucial for diagnosing and understanding the progression of thyroid malignancies.
Purpose of the Study:
- To investigate the presence of specific oncogene mutations and gene translocations in intraoperative thyroid tissue samples.
- To correlate genetic findings with pathological diagnoses of thyroid cancer.
- To evaluate the potential of genetic data in supporting thyroid cancer diagnosis and prognosis.
Main Methods:
- Analysis of 22 intraoperative thyroid tissue samples (11 pathologic, 11 normal).
- Somatic single nucleotide polymorphisms (SNPs) analyzed using the LightCycler melting method.
- Gene translocations identified via real-time polymerase chain reaction (PCR).
Main Results:
- Identified three BRAF, two NRAS, and one HRAS mutation in tumorous samples.
- Detected one RET/PTC1 translocation in a tumorous sample.
- Results align with international data linking these genetic alterations to thyroid cancer.
Conclusions:
- Confirmed the association between specific oncogene mutations/translocations and thyroid cancer.
- Genetic data, combined with cytological examination, can enhance the diagnosis of thyroid malignancies.
- Identified genetic alterations may serve as indicators of malignant transformation and potential prognostic factors.
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