RENEB intercomparisons applying the conventional Dicentric Chromosome Assay (DCA).

نویسندگان

  • Ursula Oestreicher
  • Daniel Samaga
  • Elizabeth Ainsbury
  • Ana Catarina Antunes
  • Ans Baeyens
  • Leonardo Barrios
  • Christina Beinke
  • Philip Beukes
  • William F Blakely
  • Alexandra Cucu
  • Andrea De Amicis
  • Julie Depuydt
  • Stefania De Sanctis
  • Marina Di Giorgio
  • Katalin Dobos
  • Inmaculada Dominguez
  • Pham Ngoc Duy
  • Marco E Espinoza
  • Farrah N Flegal
  • Markus Figel
  • Omar Garcia
  • Octávia Monteiro Gil
  • Eric Gregoire
  • C Guerrero-Carbajal
  • İnci Güçlü
  • Valeria Hadjidekova
  • Prakash Hande
  • Ulrike Kulka
  • Jennifer Lemon
  • Carita Lindholm
  • Florigio Lista
  • Katalin Lumniczky
  • Wilner Martinez-Lopez
  • Nataliya Maznyk
  • Roberta Meschini
  • Radia M'kacher
  • Alegria Montoro
  • Jayne Moquet
  • Mercedes Moreno
  • Mihaela Noditi
  • Jelena Pajic
  • Analía Radl
  • Michelle Ricoul
  • Horst Romm
  • Laurence Roy
  • Laure Sabatier
  • Natividad Sebastià
  • Jacobus Slabbert
  • Sylwester Sommer
  • Monica Stuck Oliveira
  • Uma Subramanian
  • Yumiko Suto
  • Tran Que
  • Antonella Testa
  • Georgia Terzoudi
  • Anne Vral
  • Ruth Wilkins
  • LusiYanti Yanti
  • Demetre Zafiropoulos
  • Andrzej Wojcik
چکیده

PURPOSE Two quality controlled inter-laboratory exercises were organized within the EU project 'Realizing the European Network of Biodosimetry (RENEB)' to further optimize the dicentric chromosome assay (DCA) and to identify needs for training and harmonization activities within the RENEB network. MATERIALS AND METHODS The general study design included blood shipment, sample processing, analysis of chromosome aberrations and radiation dose assessment. After manual scoring of dicentric chromosomes in different cell numbers dose estimations and corresponding 95% confidence intervals were submitted by the participants. RESULTS The shipment of blood samples to the partners in the European Community (EU) were performed successfully. Outside the EU unacceptable delays occurred. The results of the dose estimation demonstrate a very successful classification of the blood samples in medically relevant groups. In comparison to the 1st exercise the 2nd intercomparison showed an improvement in the accuracy of dose estimations especially for the high dose point. CONCLUSIONS In case of a large-scale radiological incident, the pooling of ressources by networks can enhance the rapid classification of individuals in medically relevant treatment groups based on the DCA. The performance of the RENEB network as a whole has clearly benefited from harmonization processes and specific training activities for the network partners.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Evaluation of the annual Canadian biodosimetry network intercomparisons

PURPOSE To evaluate the importance of annual intercomparisons for maintaining the capacity and capabilities of a well-established biodosimetry network in conjunction with assessing efficient and effective analysis methods for emergency response. MATERIALS AND METHODS Annual intercomparisons were conducted between laboratories in the Canadian National Biological Dosimetry Response Plan. Interc...

متن کامل

Establishment of Dose-response Curves for Dicentrics and Premature Chromosome Condensation for Radiological Emergency Preparedness in Thailand

The in vitro dose calibration curves using conventional biological dosimetry - dicentric chromosome assay (DCA) and premature chromosome condensation (PCC) assay - were performed for the first time in Thailand for reconstruction of radiation dose in the exposed individuals. The peripheral blood lymphocyte samples from healthy donors were irradiated with 137Cs source at a dose rate of 0.652 Gy/m...

متن کامل

Retrospective Biodosimetry of an Occupational Overexposure-Case Study.

In 2014, Health Canada was approached by the Canadian Nuclear Safety Commission to conduct biodosimetry for a possible overexposure 4 y prior to assessment. Dose estimates were determined by means of two cytogenetic assays, the dicentric chromosome assay (DCA) and translocations as measured by the fluorescent in situ hybridization (FISH). As dicentrics are considered to be unstable over time, t...

متن کامل

Biological Dose Assessment by Chemical Induction of Premature Chromosome Condensation

Dose assessment of radiation victims is a key element in medical management of radiation accidents. At high radiation doses (> 6 Gy), dicentric assay lose its efficiency and premature chromosome condensation (PCC) assay was proposed to overcome the restrictions of dicentric assay. It was shown that PCC ring is more suitable and simpler than dicentric for biodosimetry in high radiation doses. In...

متن کامل

Does Cell Culture Type And Blood Transport Temperature Affect Dicentric Yield And Radiation Dose Assessment?

Background: The metaphase-spread-based dicentric chromosome assay (DCA) is the “gold standard” biodosimetry method for radiation dose assessment. However, practical issues influencing dose assessment by DCA, such as cell culture type and blood transport temperature are not addressed. Purpose: To fill the research gaps, we studied the effects of short-term cell culture type, the use of whole blo...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • International journal of radiation biology

دوره 93 1  شماره 

صفحات  -

تاریخ انتشار 2017