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Updated: Aug 9, 2026
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Spontaneous Murine Model of Anaplastic Thyroid Cancer
Published on: February 3, 2023
Coexistent anaplastic and differentiated thyroid carcinoma: an immunohistochemical study
Yatsuki Aratake1, Hajime Nomura, Tomio Kotani
1Central Laboratory for Clinical Investigation, Miyazaki University Hospital, Japan.
American Journal of Clinical Pathology
|April 15, 2006
Summary
Anaplastic thyroid carcinoma
Area of Science:
- Oncology
- Molecular Biology
- Cancer Research
Background:
- Anaplastic thyroid carcinoma (ATC) is an aggressive malignancy.
- Understanding molecular differences between differentiated and undifferentiated ATC is crucial for targeted therapies.
Purpose of the Study:
- To identify key molecules associated with the aggressive behavior of undifferentiated ATC.
- To compare molecular profiles of undifferentiated versus differentiated areas within ATC.
Main Methods:
- Immunohistochemical analysis of 5 ATC cases with both differentiated and undifferentiated areas.
- Evaluation of markers: Ki-67, PCNA, p53, Apaf-1, CD26, galectin-3, E-cadherin, and CD147.
Main Results:
- Undifferentiated areas showed increased proliferation (Ki-67, PCNA) and p53.
- Decreased apoptosis (Apaf-1) and cell-cell adhesion (E-cadherin, galectin-3, CD26) were observed.
- Overexpression of CD147 suggests matrix metalloproteinase induction.
Conclusions:
- Molecular alterations in undifferentiated ATC contribute to high proliferation, suppressed apoptosis, and disrupted cell interactions.
- These markers may aid in assessing tumor aggressiveness and patient prognosis.
