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Hauptmann, M.* ; Haghdoost, S.* ; Gomolka, M.* ; Sarioglu, H. ; Ueffing, M. ; Dietz, A.* ; Kulka, U.* ; Unger, K. ; Babini, G.* ; Harms-Ringdahl, M.* ; Ottolenghi, A.* ; Hornhardt, S.*

Differential response and priming dose effect on the proteome of human fibroblast and stem cells induced by exposure to low doses of ionizing radiation.

Radiat. Res. 185, 299-312 (2016)
Verlagsversion DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
It has been suggested that a mechanistic understanding of the cellular responses to low dose and dose rate may be valuable in reducing some of the uncertainties involved in current risk estimates for cancer- and non-cancer-related radiation effects that are inherited in the linear no-threshold hypothesis. In this study, the effects of low-dose radiation on the proteome in both human fibroblasts and stem cells were investigated. Particular emphasis was placed on examining: 1. the dose-response relationships for the differential expression of proteins in the low-dose range (40-140 mGy) of low-linear energy transfer (LET) radiation; and 2. the effect on differential expression of proteins of a priming dose given prior to a challenge dose (adaptive response effects). These studies were performed on cultured human fibroblasts (VH10) and human adipose-derived stem cells (ADSC). The results from the VH10 cell experiments demonstrated that low-doses of low-LET radiation induced unique patterns of differentially expressed proteins for each dose investigated. In addition, a low priming radiation dose significantly changed the protein expression induced by the subsequent challenge exposure. In the ADSC the number of differentially expressed proteins was markedly less compared to VH10 cells, indicating that ADSC differ in their intrinsic response to low doses of radiation. The proteomic results are further discussed in terms of possible pathways influenced by low-dose irradiation.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter A-type Lamins; Gene-expression Profiles; Adaptive Response; Oxidative Stress; Gamma-rays; Gel-electrophoresis; Nucleotide Pool; Dna-repair; In-vitro; Cancer
Sprache englisch
Veröffentlichungsjahr 2016
HGF-Berichtsjahr 2016
ISSN (print) / ISBN 0033-7587
e-ISSN 1938-5404
Zeitschrift Radiation Research
Quellenangaben Band: 185, Heft: 3, Seiten: 299-312 Artikelnummer: , Supplement: ,
Verlag Radiation Research Society
Verlagsort Lawrence
Begutachtungsstatus Peer reviewed
POF Topic(s) 30203 - Molecular Targets and Therapies
Forschungsfeld(er) Enabling and Novel Technologies
Radiation Sciences
PSP-Element(e) G-505700-001
G-501000-001
Scopus ID 84979753569
PubMed ID 26934482
Erfassungsdatum 2016-03-06