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Original Articles

Comparative analysis of immunological changes following realgar and arsenic trioxide treatments in a murine model of myelodysplastic syndrome

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Pages 408-416 | Received 07 Nov 2022, Accepted 11 Apr 2024, Published online: 30 May 2024
 

Abstract

Background

Myelodysplastic syndrome (MDS) is a prevalent hematological neoplastic disorder in clinics and its immunopathogenesis has garnered growing interest. Oral and intravenous arsenic agents have long been used to treat hematological malignancies. The main component of oral arsenic is realgar (arsenic disulfide), while arsenic trioxide is the main component of intravenous arsenic.

Methods

This study aimed to assess the effects of ATO and Realgar on the enhancement of peripheral blood, drug safety, and T cell immune status in the NUP98-HOXD13 (NHD13) mice model of MDS, specifically in the peripheral blood, spleen, and liver.

Results

The study findings indicate that realgar and arsenic trioxide (ATO) can improve peripheral hemogram in mice, whereas realgar promotes higher peripheral blood cell production than ATO. Furthermore, the clinical administration method and dose did not cause significant toxicity or side effects and thus can be considered safe. Coexistence and interconversion of hyperimmune function and immunosuppression in mice were also observed in this study. In addition, there were interactions between immune cells in the peripheral blood, spleen, and liver to regulate the immune balance of the body and activate immunity via T-cell activation.

Conclusion

In summary, oral and intravenous arsenic agents are beneficial in improving peripheral hemogram and immunity in mice.

Ethical approval

Not applicable.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Data availability statement

The original contributions presented in the study are included in the article, further inquiries can be directed to the corresponding author.

Additional information

Funding

This work was supported by the National Natural Science Foundation of China (No. 81873286), Program of Shanghai Academic Research Leader (No. 20XD1403500), Shanghai Science Technology and Innovation Action Plan (No. 21Y31920400), and Clinical Science and Technology Innovation Project of Shanghai Shenkang Hospital Development Center (No. SHDC12020128).

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