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- W4361255241 abstract "<div>Abstract<p>The role of the micronutrient, selenium, in human cancers associated with chronic inflammations and persistent infections is poorly understood. Peritoneal plasmacytomas (PCTs) in strain BALB/c (C), the premier experimental model of inflammation-dependent plasma cell transformation in mice, may afford an opportunity to gain additional insights into the significance of selenium in neoplastic development. Here, we report that selenium-depleted C mice (<i>n</i> = 32) maintained on a torula-based low-selenium diet (5–8 μg of selenium/kg) were totally refractory to pristane induction of PCT. In contrast, 11 of 26 (42.3%) control mice maintained on a selenium adequate torula diet (300 μg of selenium/kg) and 15 of 40 (37.5%) control mice fed standard Purina chow (440 μg of selenium/kg) developed PCT by 275 days postpristane. Abrogation of PCT was caused in part by the striking inhibition of the formation of the inflammatory tissue in which PCT develop (pristane granuloma). This was associated with the reduced responsiveness of selenium-deficient inflammatory cells (monocytes and neutrophils) to chemoattractants, such as thioredoxin and chemokines. Selenium-deficient C mice exhibited little evidence of disturbed redox homeostasis and increased mutant frequency of a transgenic <i>lacZ</i> reporter gene <i>in vivo</i>. These findings implicate selenium, via the selenoproteins, in the promotion of inflammation-induced PCT and suggest that small drug inhibitors of selenoproteins might be useful for preventing human cancers linked with chronic inflammations and persistent infections.</p></div>" @default.
- W4361255241 created "2023-03-31" @default.
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- W4361255241 date "2023-03-30" @default.
- W4361255241 modified "2023-09-27" @default.
- W4361255241 title "Data from Selenium Deficiency Abrogates Inflammation-Dependent Plasma Cell Tumors in Mice" @default.
- W4361255241 doi "https://doi.org/10.1158/0008-5472.c.6493932" @default.
- W4361255241 hasPublicationYear "2023" @default.
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