SCIENTIFIC AND INFORMATION-ANALYTICAL MAGAZINE

ISSN 1024-6177 (Print), ISSN 2618-9615 (Online)

JOURNAL DESCRIPTION

The Medical Radiology and Radiation Safety journal ISSN 1024-6177 was founded in January 1956 (before December 30, 1993 it was entitled Medical Radiology, ISSN 0025-8334). In 2018, the journal received Online ISSN: 2618-9615 and was registered as an electronic online publication in Roskomnadzor on March 29, 2018. It publishes original research articles which cover questions of radiobiology, radiation medicine, radiation safety, radiation therapy, nuclear medicine and scientific reviews. In general the journal has more than 30 headings and it is of interest for specialists working in thefields of medicine¸ radiation biology, epidemiology, medical physics and technology. Since July 01, 2008 the journal has been published by State Research Center - Burnasyan Federal Medical Biophysical Center of Federal Medical Biological Agency. The founder from 1956 to the present time is the Ministry of Health of the Russian Federation, and from 2008 to the present time is the Federal Medical Biological Agency.

Members of the editorial board are scientists specializing in the field of radiation biology and medicine, radiation protection, radiation epidemiology, radiation oncology, radiation diagnostics and therapy, nuclear medicine and medical physics. The editorial board consists of academicians (members of the Russian Academy of Science (RAS)), the full member of Academy of Medical Sciences of the Republic of Armenia, corresponding members of the RAS, Doctors of Medicine, professor, candidates and doctors of biological, physical mathematics and engineering sciences. The editorial board is constantly replenished by experts who work in the CIS and foreign countries.

Six issues of the journal are published per year, the volume is 13.5 conventional printed sheets, 88 printer’s sheets, 1.000 copies. The journal has an identical full-text electronic version, which, simultaneously with the printed version and color drawings, is posted on the sites of the Scientific Electronic Library (SEL) and the journal's website. The journal is distributed through the Rospechat Agency under the contract № 7407 of June 16, 2006, through individual buyers and commercial structures. The publication of articles is free.

The journal is included in the List of Russian Reviewed Scientific Journals of the Higher Attestation Commission. Since 2008 the journal has been available on the Internet and indexed in the RISC database which is placed on Web of Science. Since February 2nd, 2018, the journal "Medical Radiology and Radiation Safety" has been indexed in the SCOPUS abstract and citation database.

Brief electronic versions of the Journal have been publicly available since 2005 on the website of the Medical Radiology and Radiation Safety Journal: http://www.medradiol.ru. Since 2011, all issues of the journal as a whole are publicly available, and since 2016 - full-text versions of scientific articles. Since 2005, subscribers can purchase full versions of other articles of any issue only through the National Electronic Library. The editor of the Medical Radiology and Radiation Safety Journal in accordance with the National Electronic Library agreement has been providing the Library with all its production since 2005 until now.

The main working language of the journal is Russian, an additional language is English, which is used to write titles of articles, information about authors, annotations, key words, a list of literature.

Since 2017 the journal Medical Radiology and Radiation Safety has switched to digital identification of publications, assigning to each article the identifier of the digital object (DOI), which greatly accelerated the search for the location of the article on the Internet. In future it is planned to publish the English-language version of the journal Medical Radiology and Radiation Safety for its development. In order to obtain information about the publication activity of the journal in March 2015, a counter of readers' references to the materials posted on the site from 2005 to the present which is placed on the journal's website. During 2015 - 2016 years on average there were no more than 100-170 handlings per day. Publication of a number of articles, as well as electronic versions of profile monographs and collections in the public domain, dramatically increased the number of handlings to the journal's website to 500 - 800 per day, and the total number of visits to the site at the end of 2017 was more than 230.000.

The two-year impact factor of RISC, according to data for 2017, was 0.439, taking into account citation from all sources - 0.570, and the five-year impact factor of RISC - 0.352.

Medical Radiology and Radiation Safety. 2018. Vol. 63. No. 4. P. 5-14

RADIATION BIOLOGY

DOI: 10.12737/article_5b83ae4ad13770.01262087

Protection of Spermatogenesis with β-Carotene in Radiation Exposure. Message 1: Single Acute External γ-Irradiation. Short-Term Application of Carothynoid

I.K. Belyaev, A.S. Samoylov

A.I. Burnasyan Federal Medical Biophysical Center, Moscow, Russia, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

I.K. Belyaev - Head of Lab., PhD Biol., Senior Researcher; A.S. Samoylov - Director General, Dr. Sci. Med., Prof. RAS

Abstract

Purpose: Experimental evaluation of β-carotene correction of radiation induced by single acute γ-irradiation of spermatogenesis disorders in male (♂) F1 CBAxC97Bl mice and non-linear rats with short-term carotenoid prescription.

Material and methods: Single external gamma irradiation ♂ was performed at the IGUR facility (137Cs, dose rate 0.029 Gy/s). The β-carotene suspension was administered ♂ orally 19 and 4 hours before, 4 and 24 hours after irradiation. The damage and effectiveness of protection of spermatogenesis of irradiated ♂ were judged by the state of their reproductive function.

Results: The effects of correction of the short-term prescription of β-carotene radiation-induced by a single acute external gamma irradiation at doses of 3 and 5 Gy of spermatogenesis disorders in mice and rats at stages of mature spermatozoa, spermatids and spermatogonium have been established.

β-carotene in ♂ mice reduced total embryonic mortality in 8-14 and 77-84 days after irradiation at a dose of 3 Gy from 46 to 36 and from 41 to 28 %, preimplantation - after 8-14 and 15-21 days - from 24 up to 13 and from 31 to 22 %, postimplantation - after 0-7 and 77-84 days - from 24 to 15 and from 25 to 7 %. In ♂ rats 0-7 days after irradiation at a dose of 5 Gy β-carotene reduced total, pre-, post- and induced postimplantation embryonic mortality from 62 to 41, from 34 to 17, from 41 to 30 and from 38 to 26 %, respectively. After 13-20 days - preimplantation mortality from 27 to 11 %. At the stage of spermatozoa after irradiation at a dose of 3 Gy increased the breeding efficiency from 70 to 100 %, fecundity - by 23-31 %; reduced total and preimplantation mortality from 49 to 39 % and from 41 to 27 %, respectively. At the stage of spermatids -sterilization was prevented and the efficiency of breeding was normalized, reduced post- and induced postimplantation mortality from 25 to 20 and from 17 to 12 %, respectively. The therapeutic and prophylactic effects of β-carotene at the spermatocyte stage are not revealed. In the spermatogonium stage, the carotenoid increased the total number and number of live embryos in pregnant female (♀) from 36 to 55 and from 20 to 50 %, reduced total and pre-implantation mortality from 81 to 56 and from 69 to 42 %, respectively.

Conclusions: The prospects of β-carotene use for correction of gonadal radiation injuries in the risk groups of exposure to ionizing radiation and the inclusion of β-carotene in the scheme of drug prevention of acute radiation injuries of spermatogenesis are shown.

Key words: external acute γ-irradiation, spermatogenesis, β-carotene, short-term prescription, mice, rats

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For citation: Belyaev IK, Samoylov AS. Protection of Spermatogenesis with β-Carotene in Radiation Exposure. Message 1: Single Acute External γ-Irradiation. Short-Term Application of Carothynoid. Medical Radiology and Radiation Safety. 2018;63(4):5-14. Russian. DOI: 10.12737/article_5b83ae4ad13770.01262087

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