ArticleBMC microbiology2023
Evaluation of the mTORC activity in the presence of Toxoplasma gondii and azathioprine in human monocyte cell line.
Article in BMC microbiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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
3 citing papers in PubMed, 2 citations in OpenAlex.
- Intracellular pathogen manipulation of ER-phagy: direct receptor targeting and indirect pathway perturbation.Medical microbiology and immunology · 2026Review
- Hepatic control of immunometabolism: implications for the pathogenesis, diagnosis and treatment of rheumatic diseases.Nature reviews. Rheumatology · 2026Review
- Toxoplasma gondii soluble antigen (STAg) induces resistance against Mycobacterium tuberculosis in a human monocyte cell line via P2X7 receptor.Molecular biology reports · 2025Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAutophagy is an important part of pathogenesis of IBD. Thiopurines such as azathioprine (AZA) are approved drugs for clinical practices in IBD patients. Besides, as an escape strategy, Toxoplasma gondii can use the mTORC1 complex to inactivate autophagy.
methodsIn this study, we investigated whether T. gondii tachyzoites may modulate autophagy and interfere the effects of azathioprine in IBD treatment. PMA-activated human monocyte cell line (THP-1) was infected with fresh T. gondii RH tachyzoites. After 5 h of infection, the cells were treated with AZA for 6 h. The expression of atg5, atg7, atg12, lc3b, and β-actin (BACT) genes was evaluated using quantitative real-time PCR. To analyze the phosphorylation of ribosomal protein S6 (rpS6), western blot using specific primary antibodies was performed.
resultsThe results of real-time PCR revealed that AZA, T. gondii tachyzoites, and a combination of AZA and T. gondii tachyzoites upregulated atg5 gene for 4.297-fold (P-value = 0.014), 2.49-fold (P-value = 0.006), and 4.76-fold (P-value = 0.001), respectively. The atg7 gene showed significant upregulation (2.272-fold; P-value = 0.014) and (1.51-fold; P-value = 0.020) in AZA and AZA / T. gondii, respectively. The expression of atg12 gene was significantly downregulated in AZA and T. gondii tachyzoites for (8.85-fold; P-value = 0.004) and (2.005-fold; P-value = 0.038), respectively, but upregulated in T. gondii/AZA (1.52-fold; P-value = 0.037). In addition, the lc3b gene was only significantly changed in AZA / T. gondii (3.028-fold; P-value = 0.001). Western blot analysis showed that T. gondii tachyzoites significantly phosphorylated rpS6, and tachyzoites did not interfere the effects of AZA to phosphorylate the rpS6.
conclusionTaken together, although AZA and T. gondii similarly affects the expression levels of atg5, atg7, and atg12, but T. gondii does not seem to modulate the effects of AZA via mTORC functions.
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