EPR Detection of Iron Storage in Rat Tissues After Simulated Microgravity Model


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By a method of spectroscopy of electron paramagnetic resonance the tissues of rats after exposure of microgravity simulation (model of hindlimb unloading) were investigated. In the tissues of heart, lung, liver and muscles the signals of electron magnetic resonance (EMR) depending on orientation were detected. The temperature and orientation dependences of the signals were studied. Comprehensive analysis of the characteristics of the EMR signals made it possible to identify the source of the signals as a crystalline magnetite. Three types of anisotropic EMR signals corresponding to a variety of spatial forms of accumulation of biogenic magnetite were detected. The appearance of the signals after microgravity simulation indicates an alteration in iron metabolism and an abnormal accumulation of iron in the rat tissues.

Sobre autores

S. Yurtaeva

E.K.Zavoisky Physical-Technical Institute, The Kazan Scientific Center, The Russian Academy of Sciences

Autor responsável pela correspondência
Email: yurtaeva@mail.knc.ru
Rússia, Sibirsky Trakt 10/7, Kazan, 420029

V. Efimov

Institute of Fundamental Medicine and Biology, Kazan Federal University

Email: yurtaeva@mail.knc.ru
Rússia, Kremlevskaya st. 18, Kazan, 420008

G. Yafarova

E.K.Zavoisky Physical-Technical Institute, The Kazan Scientific Center, The Russian Academy of Sciences; Institute of Fundamental Medicine and Biology, Kazan Federal University

Email: yurtaeva@mail.knc.ru
Rússia, Sibirsky Trakt 10/7, Kazan, 420029; Kremlevskaya st. 18, Kazan, 420008

A. Eremeev

Institute of Fundamental Medicine and Biology, Kazan Federal University

Email: yurtaeva@mail.knc.ru
Rússia, Kremlevskaya st. 18, Kazan, 420008

V. Iyudin

E.K.Zavoisky Physical-Technical Institute, The Kazan Scientific Center, The Russian Academy of Sciences

Email: yurtaeva@mail.knc.ru
Rússia, Sibirsky Trakt 10/7, Kazan, 420029

A. Rodionov

Institute of Physics, Kazan Federal University

Email: yurtaeva@mail.knc.ru
Rússia, Kremlevskayast. 18, Kazan, 420008

Kh. Gainutdinov

E.K.Zavoisky Physical-Technical Institute, The Kazan Scientific Center, The Russian Academy of Sciences; Institute of Fundamental Medicine and Biology, Kazan Federal University

Email: yurtaeva@mail.knc.ru
Rússia, Sibirsky Trakt 10/7, Kazan, 420029; Kremlevskaya st. 18, Kazan, 420008

I. Yatsyk

E.K.Zavoisky Physical-Technical Institute, The Kazan Scientific Center, The Russian Academy of Sciences

Email: yurtaeva@mail.knc.ru
Rússia, Sibirsky Trakt 10/7, Kazan, 420029

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