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    Doses of Ukrainian female clean-up workers with diagnosed breast cancer.
        
        Radiat. Environ. Biophys. 57, 163–168 (2018)
    
    
    
				The Chernobyl reactor accident in 1986 has caused significant exposure to ionizing radiation of the Ukrainian population, in particular clean-up workers and evacuees from the exclusion zones. A study aiming at the discovery of radiation markers of the breast cancer was conducted from 2008 to 2015 within a collaborative project by HZM, LMU, and NRCRM. In this study, post-Chernobyl breast cancer cases both in radiation-exposed female patients diagnosed at age less than 60 from 1992 to 2014 and in non-exposed controls matched for residency, tumor type, age at diagnosis, TNM classification as well as tumor grading were investigated for molecular changes with special emphasis to copy number alterations and miRNA profiles. Cancer registry and clinical archive data were used to identify 435 breast cancer patients among female clean-up workers and 14 among evacuees from highly contaminated territories as candidates for the study. Of these, 129 breast cancer patients fit study inclusion criteria and were traced for individual reconstruction of the target organ (breast) doses. The doses were estimated for 71 exposed cases (clean-up workers and evacuees from which biomaterial was available for molecular studies and who agreed to participate in a dosimetric interview) by the use of the well-established RADRUE method, which was adjusted specifically for the assessment of breast doses. The results of 58 female clean-up workers showed a large inter-individual variability of doses in a range of about five orders of magnitude: from 0.03 to 929 mGy, with median of 5.8 mGy. The study provides the first quantitative estimate of exposures received by female clean-up workers, which represent a limited but very important group of population affected by the Chernobyl accident. The doses of 13 women evacuated after the accident who did not take part in the clean-up activities (from 4 to 45 mGy with median of 19 mGy) are in line with the previous estimates for the evacuees from Pripyat and the 30-km zone.
			
			
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
     
    
    
        Schlagwörter
        Dose ; Retrospective Dosimetry ; Chernobyl ; Breast ; Cancer ; Calculation
    
 
     
    
    
        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        2018
    
 
     
    
        HGF-Berichtsjahr
        2018
    
 
    
    
        ISSN (print) / ISBN
        0301-634X
    
 
    
        e-ISSN
        1432-2099
    
 
     
     
     
	     
	 
	 
    
        Zeitschrift
        Radiation and Environmental Biophysics
    
 
		
    
        Quellenangaben
        
	    Band: 57,  
	    Heft: 2,  
	    Seiten: 163–168 
	    
	    
	
    
 
  
         
        
            Verlag
            Springer
        
 
         
	
         
         
         
         
         
	
         
         
         
    
         
         
         
         
         
         
         
    
        Begutachtungsstatus
        Peer reviewed
    
 
    
        Institut(e)
        Translational Metabolic Oncology  (IDC-TMO)
    
 
    
        POF Topic(s)
        30203 - Molecular Targets and Therapies
    
 
    
        Forschungsfeld(er)
        Radiation Sciences
    
 
    
        PSP-Element(e)
        G-501000-001
    
 
     
     	
    
    
        WOS ID
        WOS:000430188900008
    
    
        Scopus ID
        85044083175
    
    
        PubMed ID
        29550923
    
    
        Erfassungsdatum
        2018-03-26