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Updated: Jun 21, 2026

Imaging of In Situ Interferon Gamma Production in the Mouse Spleen following Listeria monocytogenes Infection
Published on: July 16, 2019
[Investigation of interferon-induced system of 2',5'-oligoadenylate in rat lymphoid cells exposed to ionizing
Abstract:
The key components of interferon-dependent 2',5'-oligoadenylate system were studied in the rat spleen and thymus lymphoid cells under the action of ionizing radiation and interferon inducers treatment. It was established that the irradiation of animals by 0.5 Gy dose causes the increase of intracellular level of the 2',5'-oligoadenylates (A2'p5'A, (A2'p)2A) and the enhancement of the 2',5'-oligoadenylate-synthetase activity. The pre-incubation of isolated splenocytes and thymocytes with interferon inducers (cycloferone, mitogenic lectines and poly(I) x poly(C) caused the amplification of post-radiactive 2',5'-oligoadenylate accumulation and 2',5'-oligoadenylate-synthetase activity stimulation. The obtained results allow us to suggest the activation of 2',5'-oligoadenylate messenger system in rat immunocompetent cells under the action of ionizing radiation. It might be a result of the activation of protective mechanisms, connected with interferon induction. The effect of interferon inducers on the investigated cascade components may be considered as the manifestation of their radioprotective properties.
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