ArticleMedical science monitor : international medical journal of experimental and clinical research2020
Huai Qi Huang Potentiates Dexamethasone-Mediated Lethality in Acute Lymphoblastic Leukemia Cells by Upregulating Glucocorticoid Receptor α.
Article in Medical science monitor : international medical journal of experimental and clinical research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 4 citations in OpenAlex.
- Glucocorticoid-mediated acetylated regulation of glucocorticoid receptor and Histone3/Histone4 influence glucocorticoid heterogeneity in children patients with primary nephrotic syndrome.Italian journal of pediatrics · 2025Article
- A Combination of Astragaloside IV and Hydroxysafflor Yellow A Attenuates Cerebral Ischemia-Reperfusion Injury via NF-κB/NLRP3/Caspase-1/GSDMD Pathway.Brain sciences · 2024Article
- Exploring the nexus of nuclear receptors in hematological malignancies.Cellular and molecular life sciences : CMLS · 2024Review
- Immunoregulatory effects of Huaier (Trametes robiniophila Murr) and relevant clinical applications.Frontiers in immunology · 2023Review
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND Glucocorticoids are important components of a number of chemotherapeutic regimens used to treat pediatric acute lymphoblastic leukemia (ALL). A primary cause of treatment failure of ALL is acquired resistance to glucocorticoids. Recently, traditional Chinese medicines were effectively used to treat solid tumors. Thus, the aim of this study was to investigate whether Huai Qi Huang (HQH), a traditional Chinese medicine, increased the efficacy of glucocorticoids in the treatment of ALL, and if so, to determine the underlying mechanism. MATERIAL AND METHODS Various concentrations of HQH were used to treat Jurkat and Nalm-6 cells for 24 to 72 hours. Subsequently, cells were co-treated with HQH and the glucocorticoid receptor agonist, dexamethasone (DEX), or a MEK inhibitor (PD98059) to verify the synergistic effects on apoptosis in Jurkat and Nalm-6 cells for 24 hours. Cell Counting Kit-8 assay and flow cytometry were used to measure cell viability and apoptosis, respectively. Protein and mRNA expression levels were assessed using western blotting and quantitative polymerase chain reaction. RESULTS The results revealed that cell survival was reduced and apoptosis was increased as the HQH concentration was increased, and this was accompanied with increases in the levels of BAX, cleaved-caspase-3 and glucocorticoid receptor alpha (GRalpha) and decreases in the levels of Bcl-2 and phospho-ERK (pERK). Glucocorticoid receptor ß (GRß) and total ERK (t-ERK) had no significant changes. Combined treatment with HQH and DEX or PD98059 increased apoptosis in Jurkat and Nalm-6 cells, and concurrently increased BAX, cleaved-caspase-3, GILZ, NFKBIA, and GRalpha and decreased Bcl-2 and pERK. CONCLUSIONS HQH enhanced the sensitivity of ALL cells to glucocorticoids by increasing the expression of GRalpha and inhibiting the MEK/ERK pathway, thus providing a rational foundation for the treatment of ALL with HQH.
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