ArticleInternational journal of molecular sciences2024
The Astragalus Membranaceus Herb Attenuates Leukemia by Inhibiting the FLI1 Oncogene and Enhancing Anti-Tumor Immunity.
Article in International journal of molecular sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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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Who cites it
1 citing paper in PubMed.
- Astragaloside IV represses the immune evasion and acidic microenvironment of oral squamous cell carcinoma.Cellular & molecular biology letters · 2026Article
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Authors and funding
11 authors.
Funding
Abstract
Astragalus membranaceus (AM) herb is a component of traditional Chinese medicine used to treat various cancers. Herein, we demonstrate a strong anti-leukemic effect of AM injected (Ai) into the mouse model of erythroleukemia induced by Friend virus. Chemical analysis combined with mass spectrometry of AM/Ai identified the compounds Betulinic acid, Kaempferol, Hederagenin, and formononetin, all major mediators of leukemia inhibition in culture and in vivo. Docking analysis demonstrated binding of these four compounds to FLI1, resulting in downregulation of its targets, induction of apoptosis, differentiation, and suppression of cell proliferation. Chemical composition analysis identified other compounds previously known having anti-tumor activity independent of the FLI1 blockade. Among these, Astragaloside-A (As-A) has marginal effect on cells in culture, but strongly inhibits leukemogenesis in vivo, likely through improvement of anti-tumor immunity. Indeed, both IDO1 and TDO2 were identified as targets of As-A, leading to suppression of tryptophane-mediated Kyn production and leukemia suppression. Moreover, As-A interacts with histamine decarboxylase (HDC), leading to suppression of anti-inflammatory genes TNF, IL1B/IL1A, TNFAIP3, and CXCR2, but not IL6. These results implicate HDC as a novel immune checkpoint mediator, induced in the tumor microenvironment to promote leukemia. Functional analysis of AM components may allow development of combination therapy with optimal anti-leukemia effect.
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