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Published in: BMC Complementary Medicine and Therapies 1/2021

Open Access 01-12-2021 | Pyrvinium | Research

Pyrvinium pamoate can overcome artemisinin’s resistance in anaplastic thyroid cancer

Author: Yitian Li

Published in: BMC Complementary Medicine and Therapies | Issue 1/2021

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Abstract

Background

Anaplastic thyroid carcinoma is a highly lethal subtype of thyroid cancer without effective therapies. Drug resistance in anaplastic thyroid carcinoma poses a significant problem. Although artemisinin exerts antitumor effects, but its efficacy in anaplastic thyroid carcinoma is unknown.

Methods

We used RNA sequencing to identify differentially expressed genes. Next, we determined the cause of ART resistance by testing the expression and activity of β-catenin, and enhanced ART activity with a WNT signaling inhibitor.

Results

Artemisinin suppressed the growth of BHT-101 but not human thyroid anaplastic carcinoma (CAL-62) cells. The mechanism of artemisinin resistance in CAL-62 was associated with the aberrant activation of WNT signaling. Pyrvinium pamoate, an inhibitor of WNT signaling, was used to overcome ART resistance in CAL-62 cells. The combination of artemisinin and pyrvinium pamoate suppressed the growth of CAL-62 cells and induced the apoptosis.

Conclusions

Our study is the first to prove the efficacy of ART as monotherapy or in combination with PP in the management of anaplastic thyroid cancer, and that the inhibition of WNT signaling may overcome ART resistance.
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Metadata
Title
Pyrvinium pamoate can overcome artemisinin’s resistance in anaplastic thyroid cancer
Author
Yitian Li
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Complementary Medicine and Therapies / Issue 1/2021
Electronic ISSN: 2662-7671
DOI
https://doi.org/10.1186/s12906-021-03332-z

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