Monika Asmuss

Monika Asmuss
Bundesamt für Strahlenschutz, BfS | Bfs · Radiation Protection and Health

About

10
Publications
726
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891
Citations
Citations since 2016
0 Research Items
243 Citations
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040

Publications

Publications (10)
Article
The adequacy of the UV Index (UVI), a simple measure of ambient solar ultraviolet (UV) radiation, has been questioned on the basis of recent scientific data on the importance of vitamin D for human health, the mutagenic capacity of radiation in the UVA wavelength, and limitations in the behavioral impact of the UVI as a public awareness tool. A wor...
Article
Arsenic present in drinking water and mining environments in some areas has been associated with an increased rate of skin and internal cancers. Contrary to the epidemiological evidence in humans, arsenic does not induce cancer in animal models, but is able to enhance the mutagenicity of other agents. In order to achieve a better understanding of t...
Article
Arsenite is a naturally occurring environmental pollutant of major concern, since adverse health effects including cancer of skin and internal organs have been attributed to chronic arsenic exposure especially via drinking water. Arsenite is not a significant inducer of point mutations but exerts clastogenic activities and interferes with various D...
Article
Full-text available
Nickel, cadmium, cobalt, and arsenic compounds are well-known carcinogens to humans and experimental animals. Even though their DNA-damaging potentials are rather weak, they interfere with the nucleotide and base excision repair at low, noncytotoxic concentrations. For example, both water-soluble Ni(II) and particulate black NiO greatly reduced the...
Article
Metal ions are essential components of biological systems; nevertheless, even essential elements may have toxic or carcinogenic properties. Thus, besides As(III) and Cd(II), also Ni(II) and Co(II) have been shown previously to disturb different types of DNA repair systems at low, non-cytotoxic concentrations. Since some metals exert high affinities...
Article
Full-text available
Even though not mutagenic, compounds of the carcinogenic metals nickel, cadmium, cobalt and arsenic have been shown previously to inhibit nucleotide excision repair and base excision repair at low, non-cytotoxic concentrations. Since some toxic metals have high affinities for -SH groups, we used the bacterial formamidopyrimidine-DNA glycosylase (Fp...
Article
Compounds of nickel, cadmium, cobalt and arsenic have been shown previously to inhibit DNA repair processes at low concentrations. In the present study we investigated whether this repair inhibition may be caused by the displacement of zinc in zinc finger structures of DNA repair proteins. As models, the bacterial formamidopyrimidine-DNA glycosylas...
Chapter
Compounds of nickel(II), cadmium(II), cobalt(II) and arsenic(III) have been shown previously to disturb DNA repair processes at low, non-cytotoxic concentrations. They inhibit nucleotide excision repair involved in the removal of a broad spectrum of DNA lesions induced by environmental mutagens as well as the repair of oxidative DNA damage generate...
Article
Based on pronounced enhancing effects in combination with other DNA-damaging agents the potentials of Ni(II), Cd(II) and As(III) to interfere with DNA repair processes in HeLa cells was investigated. With respect to oxidative DNA damage, Ni(II) and Cd(II) induced DNA strand breaks starting at concentrations of 250 μM and 5 μM, respectively. The ind...

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