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1.
Saenko V Ivanov V Tsyb A Bogdanova T Tronko M Demidchik Y Yamashita S 《Clinical oncology (Royal College of Radiologists (Great Britain))》2011,23(4):234-243
The accident at the Chernobyl nuclear power plant was the worst industrial accident of the last century that involved radiation. The unprecedented release of multiple different radioisotopes led to radioactive contamination of large areas surrounding the accident site. The exposure of the residents of these areas was varied and therefore the consequences for health and radioecology could not be reliably estimated quickly. Even though some studies have now been ongoing for 25 years and have provided a better understanding of the situation, these are yet neither complete nor comprehensive enough to determine the long-term risk. A true assessment can only be provided after following the observed population for their natural lifespan. Here we review the technical aspects of the accident and provide relevant information on radioactive releases that resulted in exposure of this large population to radiation. A number of different groups of people were exposed to radiation: workers involved in the initial clean-up response, and members of the general population who were either evacuated from the settlements in the Chernobyl nuclear power plant vicinity shortly after the accident, or continued to live in the affected territories of Belarus, Russia and Ukraine. Through domestic efforts and extensive international co-operation, essential information on radiation dose and health status for this population has been collected. This has permitted the identification of high-risk groups and the use of more specialised means of collecting information, diagnosis, treatment and follow-up. Because radiation-associated thyroid cancer is one of the major health consequences of the Chernobyl accident, a particular emphasis is placed on this malignancy. The initial epidemiological studies are reviewed, as are the most significant studies and/or aid programmes in the three affected countries. 相似文献
2.
Thomas GA Bethel JA Galpine A Mathieson W Krznaric M Unger K 《Clinical oncology (Royal College of Radiologists (Great Britain))》2011,23(4):276-281
The only unequivocal radiological effect of the Chernobyl accident on human health is the increase in thyroid cancer in those exposed in childhood or early adolescence. In response to the scientific interest in studying the molecular biology of thyroid cancer after Chernobyl, the Chernobyl Tissue Bank was established. The project is supported by the governments of Ukraine and Russia, and financially supported (in total around US$3million) by the European Commission, the National Cancer Institute of the USA and the Sasakawa Memorial Health Foundation of Japan. The project began collecting a variety of biological samples from patients on 1 October 1988, and has supplied material to 21 research projects in Japan, the USA and Europe. The establishment of the Chernobyl Tissue Bank has facilitated co-operation between these research projects and the combination of clinical and research data provides a paradigm for cancer research in the molecular biological age. 相似文献
3.
Thyroid disease in northern Italian children born around the time of the Chernobyl nuclear accident.
F Chiesa N Tradati L Calabrese B Gibelli G Giugliano G Paganelli C De Cicco C Grana G Tosi E DeFiori G Cammarano A Cusati S Zurrida 《Annals of oncology》2004,15(12):1842-1846
BACKGROUND: The Chernobyl nuclear accident of 1986 caused a dramatic increase in the incidence of thyroid cancers in exposed children in Belarus. Airborne radioactivity from the reactor spread over northern Italy, where rainout gave rise to low levels of radioactivity at ground level. PATIENTS AND METHODS: As the latency between exposure to ionising radiation and development of thyroid cancer is thought to be about 10 years, in 1996/1997 all children born in 1985 and 1986 and attending school in an area of Milan, Italy were examined for thyroid nodules. A total of 3949 children were examined by two physicians blinded to the examination and diagnosis of the other. The children were to be reassessed in 2001/2002. RESULTS: In total, 1% had palpable nodules. The nodule diagnoses were: Hurtle cell adenoma (one), thyroglossal duct cyst (one), thyroid cyst (four) and thyroiditis (four). The prevalence of thyroid disease in the cohort was indistinguishable from that of populations not exposed to radioactive pollution. Only 10 children re-presented for examination 5 years later; all were negative. The direct costs of the study were estimated at 21,200 Euros. CONCLUSION: The high cost of the study in relation to reassuring lack of increase in thyroid nodule prevalence suggests that further studies are not justified. 相似文献
4.
Pukkala E Kesminiene A Poliakov S Ryzhov A Drozdovitch V Kovgan L Kyyrönen P Malakhova IV Gulak L Cardis E 《International journal of cancer. Journal international du cancer》2006,119(3):651-658
An increase in breast cancer incidence has been reported in areas of Belarus and Ukraine contaminated by the Chernobyl accident and has become an issue of public concern. The authors carried out an ecological epidemiological study to describe the spatial and temporal trends in breast cancer incidence in the most contaminated regions of Belarus and Ukraine, and to evaluate whether increases seen since 1986 correlate to radiation exposure from the Chernobyl accident. The authors investigated the trends through age-cohort-period-region analyses of district-specific incidence rates of breast cancer for Gomel and Mogilev regions of Belarus and Chernigiv, Kyiv and Zhytomir regions of Ukraine. Dose-response analyses were based on Poisson regression, using average district-specific whole body doses accumulated since the accident from external exposure and ingestion of long-lived radionuclides. The study demonstrated increases in breast cancer incidence in all areas following the Chernobyl accident, reflecting improvements in cancer diagnosis and registration. In addition, a significant 2-fold increase in risk was observed, during the period 1997-2001, in the most contaminated districts (average cumulative dose of 40.0 mSv or more) compared with the least contaminated districts (relative risk [RR] in Belarus 2.24, 95% confidence interval [CI] 1.51-3.32 and in Ukraine 1.78, 95% CI=1.08-2.93). The increase, though based on a relatively small number of cases, appeared approximately 10 years after the accident, was highest among women who were younger at the time of exposure and was observed for both localised and metastatic diseases. It is unlikely that this excess could be entirely due to the increased diagnostic activity in these areas. 相似文献
5.
Radiation signatures in childhood thyroid cancers after the Chernobyl accident: Possible roles of radiation in carcinogenesis 下载免费PDF全文
Keiji Suzuki Norisato Mitsutake Vladimir Saenko Shunichi Yamashita 《Cancer science》2015,106(2):127-133
After the Tokyo Electric Power Company Fukushima Daiichi nuclear power plant accident, cancer risk from low‐dose radiation exposure has been deeply concerning. The linear no‐threshold model is applied for the purpose of radiation protection, but it is a model based on the concept that ionizing radiation induces stochastic oncogenic alterations in the target cells. As the elucidation of the mechanism of radiation‐induced carcinogenesis is indispensable to justify the concept, studies aimed at the determination of molecular changes associated with thyroid cancers among children who suffered effects from the Chernobyl nuclear accident will be overviewed. We intend to discuss whether any radiation signatures are associated with radiation‐induced childhood thyroid cancers. 相似文献
6.
Cardis E Krewski D Boniol M Drozdovitch V Darby SC Gilbert ES Akiba S Benichou J Ferlay J Gandini S Hill C Howe G Kesminiene A Moser M Sanchez M Storm H Voisin L Boyle P 《International journal of cancer. Journal international du cancer》2006,119(6):1224-1235
The Chernobyl accident, which occurred April 26, 1986, resulted in a large release of radionuclides, which were deposited over a very wide area, particularly in Europe. Although an increased risk of thyroid cancer in exposed children has been clearly demonstrated in the most contaminated regions, the impact of the accident on the risk of other cancers as well as elsewhere in Europe is less clear. The objective of the present study was to evaluate the human cancer burden in Europe as a whole from radioactive fallout from the accident. Average country- and region-specific whole-body and thyroid doses from Chernobyl were estimated using new dosimetric models and radiological data. Numbers of cancer cases and deaths possibly attributable to radiation from Chernobyl were estimated, applying state-of-the-art risk models derived from studies of other irradiated populations. Simultaneously, trends in cancer incidence and mortality were examined over time and by dose level. The risk projections suggest that by now Chernobyl may have caused about 1,000 cases of thyroid cancer and 4,000 cases of other cancers in Europe, representing about 0.01% of all incident cancers since the accident. Models predict that by 2065 about 16,000 (95% UI 3,400-72,000) cases of thyroid cancer and 25,000 (95% UI 11,000-59,000) cases of other cancers may be expected due to radiation from the accident, whereas several hundred million cancer cases are expected from other causes. Although these estimates are subject to considerable uncertainty, they provide an indication of the order of magnitude of the possible impact of the Chernobyl accident. It is unlikely that the cancer burden from the largest radiological accident to date could be detected by monitoring national cancer statistics. Indeed, results of analyses of time trends in cancer incidence and mortality in Europe do not, at present, indicate any increase in cancer rates -- other than of thyroid cancer in the most contaminated regions -- that can be clearly attributed to radiation from the Chernobyl accident. 相似文献
7.
Kaja Rahu Mati Rahu Anssi Auvinen Hajo Zeeb John D. Boice Jr 《International journal of cancer. Journal international du cancer》2023,153(7):1347-1355
From 1986 to 1991, 4831 men from Estonia were sent to clean up radioactively contaminated areas near Chernobyl (Chornobyl). Their cancer incidence during 1986 to 2019 was compared to that of the male population of Estonia. The cohort of cleanup workers was linked to national population and cancer registers based on unique personal identification numbers. Nineteen (0.4%) workers could not be traced. A total of 4812 men contributing 120 770 person-years of follow-up were eligible for the analyses. Standardized incidence ratios (SIR) and adjusted relative risks (ARR, expressed as ratios of SIRs) with 95% confidence intervals (CI) were calculated. A total of 687 incident cancer cases were registered in the cohort (SIR 1.11, 95% CI 1.03-1.19). Presumptive radiation-related cancers combined were in excess, but not when smoking- and alcohol-related cancers were excluded (SIR 0.92, 95% CI 0.71-1.18). For smoking-related cancers, the SIR was 1.24 (95% CI 1.13-1.36) and for alcohol-related cancer the SIR was 1.53 (95% CI 1.31-1.75). Less educated workers had a higher risk of all cancers (ARR = 1.21, 95% CI 1.02-1.44) and smoking-related cancers (ARR = 1.42, 95% CI 1.14-1.76). An elevated risk of alcohol-related cancers was evident 15 to 24 years (vs <15 years) after return from the Chernobyl area. This updated register-based follow-up of Chernobyl cleanup workers from Estonia revealed an excess of radiation-related cancer sites combined, but the excess was not apparent after excluding cancers associated with smoking and alcohol. 相似文献
8.
Yuriy Bozhok MD Ellen Greenebaum MD MPH Tetyana I. Bogdanova PhD Robert J. McConnell MD Anna Zelinskaya PhD Alina V. Brenner MD PhD Lyudmyla Y. Zurnadzhy MD Lydia Zablotska MD PhD Mykola D. Tronko MD PhD Maureen Hatch PhD 《Cancer cytopathology》2009,117(2):73-81
BACKGROUND:
The Ukrainian American Cohort Study was established to evaluate the risk of thyroid disorders in a group exposed as children and adolescents to 131I by the Chernobyl accident (arithmetic mean thyroid dose, 0.79 grays). Individuals are screened by palpation and ultrasound and are referred to surgery according to fine‐needle aspiration biopsy (FNA). However, the accuracy of FNA cytology for detecting histopathologically confirmed malignancy after this level of internal exposure to radioiodines is unknown.METHODS:
During the first screening cycle (1998‐2000), 13,243 individuals were examined, 356 individuals with thyroid nodules were referred for FNA, 288 individuals completed the procedure, 85 individuals were referred to surgery, 82 individuals underwent surgery, and preoperative cytology was available for review in 78 individuals. Cytologic interpretation for the nodule that resulted in surgical referral was correlated with final pathomorphology; discrepancies were reviewed retrospectively; and the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of FNA cytology were calculated.RESULTS:
All 24 cytologic interpretations that were definite for papillary thyroid cancer (PTC) were confirmed histopathologically (PPV, 100%); and, of 11 cytologic interpretations that were suspicious for PTC, 10 were confirmed (PPV, 90.9%). Ten of 41 FNAs that were interpreted as either definite or suspect for follicular neoplasm were confirmed as malignant (PPV, 24.4%), including 2 follicular thyroid cancers and 8 PTCs (all but 1 of the follicular or mixed subtypes). Depending on whether a cytologic interpretation of follicular neoplasm was considered “positive” or “negative,” the sensitivity was 100% and 77.3%, respectively; similarly, the respective specificity was 17.6% and 97.1%, the respective PPV was 61.1% and 97.1%, and the respective NPV was 100% and 76.7%.CONCLUSIONS:
Among children and adolescents who were exposed to 131I after the Chernobyl accident and were evaluated 12 to 14 years later, thyroid cytology had a sensitivity and a predictive value similar to those reported in unexposed populations. Cancer (Cancer Cytopathol) 2009. Published 2009 by the American Cancer Society. 相似文献9.
Analysis of thyroid malignant pathologic findings identified during 3 rounds of screening (1997‐2008) of a cohort of children and adolescents from Belarus exposed to radioiodines after the Chernobyl accident 下载免费PDF全文
Lydia B. Zablotska MD PhD Eldar A. Nadyrov MD Alexander V. Rozhko MD PhD Zhihong Gong PhD Olga N. Polyanskaya MD Robert J. McConnell MD Patrick O'Kane MD Alina V. Brenner MD PhD Mark P Little PhD Evgenia Ostroumova MD Andre Bouville PhD Vladimir Drozdovitch PhD Viktor Minenko PhD Yuri Demidchik MD Alexander Nerovnya MD Vassilina Yauseyenka MS Irina Savasteeva MD Sergey Nikonovich MD Kiyohiko Mabuchi MD DrPH Maureen Hatch PhD 《Cancer》2015,121(3):457-466
10.
Alina V. Brenner Tetiana Bogdanova Victor Shpak Elizabeth K. Cahoon Vladimir Drozdovitch Mark P. Little Valeriy Tereshchenko Galyna Zamotayeva Galyna Terekhova Lyudmila Zurnadzhi Maureen Hatch Kiyohiko Mabuchi 《International journal of cancer. Journal international du cancer》2017,141(8):1585-1588
To evaluate risk of thyroid neoplasia nearly 30 years following exposure to radioactive iodine (I‐131) from the 1986 Chernobyl nuclear accident, we conducted a fifth cycle of thyroid screening of the Ukrainian‐American cohort during 2012–2015, following four previous screening cycles started in 1998. We identified 47 thyroid cancers (TC) and 33 follicular adenomas (FA) among 10,073 individuals who were <18 years at the time of the accident and had a mean I‐131 dose of 0.62 Gy. We found a significant I‐131 dose response for both TC and FA, with an excess odd ratio per Gy of 1.36 (95% CI: 0.39–4.15) and 2.03 (95% CI: 0.55–6.69), respectively. The excess risk of malignant and benign thyroid neoplasia persists nearly three decades after exposure and underscores the importance of continued follow‐up of this cohort to characterize long‐term pattern of I‐131 risk. 相似文献
11.
P Jacob Y Kenigsberg I Zvonova G Goulko E Buglova W F Heidenreich A Golovneva A A Bratilova V Drozdovitch J Kruk G T Pochtennaja M Balonov E P Demidchik H G Paretzke 《British journal of cancer》1999,80(9):1461-1469
The thyroid dose due to 131I releases during the Chernobyl accident was reconstructed for children and adolescents in two cities and 2122 settlements in Belarus, and in one city and 607 settlements in the Bryansk district of the Russian Federation. In this area, which covers the two high contamination spots in the two countries following the accident, data on thyroid cancer incidence during the period 1991-1995 were analysed in the light of possible increased thyroid surveillance. Two methods of risk analysis were applied: Poisson regression with results for the single settlements and Monte Carlo (MC) calculations for results in larger areas or sub-populations. Best estimates of both methods agreed well. Poisson regression estimates of 95% confidence intervals (CIs) were considerably smaller than the MC results, which allow for extra-Poisson uncertainties due to reconstructed doses and the background thyroid cancer incidence. The excess absolute risk per unit thyroid dose (EARPD) for the birth cohort 1971-1985 by the MC analysis was 2.1 (95% CI 1.0-4.5) cases per 10(4) person-year Gy. The point estimate is lower by a factor of two than that observed in a pooled study of thyroid cancer risk after external exposures. The excess relative risk per unit thyroid dose was 23 (95% CI 8.6-82) Gy(-1). No significant differences between countries or cities and rural areas were found. In the lowest dose group of the settlements with an average thyroid dose of 0.05 Gy the risk was statistically significantly elevated. Dependencies of risks on age-at-exposure and on gender are consistent with findings after external exposures. 相似文献
12.
Gene rearrangement and Chernobyl related thyroid cancers 总被引:2,自引:0,他引:2
Santoro M Thomas GA Vecchio G Williams GH Fusco A Chiappetta G Pozcharskaya V Bogdanova TI Demidchik EP Cherstvoy ED Voscoboinik L Tronko ND Carss A Bunnell H Tonnachera M Parma J Dumont JE Keller G Höfler H Williams ED 《British journal of cancer》2000,82(2):315-322
13.
LiVolsi VA Abrosimov AA Bogdanova T Fadda G Hunt JL Ito M Rosai J Thomas GA Williams ED 《Clinical oncology (Royal College of Radiologists (Great Britain))》2011,23(4):261-267
The Chernobyl accident was followed by a large increase in the incidence of thyroid carcinoma in the areas exposed to high levels of fallout. The Chernobyl Tumor Bank was set up in 1998 to make tumours available for study internationally, and a pathology panel reviewed all the tumours and established an agreed diagnosis. The thyroid tumours that were discovered after the Chernobyl nuclear accident were virtually all (95%) of the papillary carcinoma type. Rare examples of other tumour types were identified. Within the papillary group, several subtypes were noted, including classical or usual type, follicular variant, solid variant and mixed patterns Diffuse sclerosis variant, cribriform/morular type and Warthin-like variant were rare. No tall cell or columnar cell variants were identified. The tumours examined by the Pathology Panel of the Chernobyl Tumor Bank constitute a large representative sample (estimated at about 50%) of the tumours that developed in this population. This overview describes the method adopted by the panel and the different diagnostic categories adopted; illustrates the pathology of these neoplasms; compares the pathological characteristics of the early lesions with those identified after long latency periods and the institution of screening programmes and outlines the possible associated causes for the various morphological patterns seen. 相似文献
14.
Tuttle RM Vaisman F Tronko MD 《Clinical oncology (Royal College of Radiologists (Great Britain))》2011,23(4):268-275
Over the last 20 years, nearly 5000 cases of differentiated thyroid cancer have been diagnosed and treated in the regions of Russia, Ukraine and Belarus in young people previously exposed to the Chernobyl radioactive fallout during childhood. At diagnosis, 60-70% of the Chernobyl-related paediatric thyroid cancers had clinically evident cervical lymph node metastases (N1) and 10-15% had distant metastases (M1). Despite early reports suggesting that the paediatric thyroid cancer cases that developed after exposure to Chernobyl fallout were particularly aggressive, it now seems that the initial presentation and early clinical course of most of these cases are very similar to both non-radiation-associated paediatric thyroid cancers and thyroid cancers that arise after exposure to external beam irradiation. Over an average clinical follow-up period of about 10 years, the disease-specific mortality rate in these paediatric thyroid cancer cases that developed after the Chernobyl accident is quite low (1% or less). As would be expected in paediatric thyroid cancer, short-term recurrence rates range from 7 to 28% in published reports (mean 17%). However, long-term studies of paediatric thyroid cancer suggest that although the 30 year disease-specific mortality rate should be about 1%, the risk of developing structural disease recurrence is nearly 30% (of which 80% are expected to be locoregional recurrences and 20% are probably new distant metastases). Projected over 30 years of follow-up, a 1% disease-specific mortality in this cohort of 5000 patients would equate to about 50 deaths directly attributable to thyroid cancer. However, a 30% recurrence rate would also mean that about 1500 patients may develop a clinically meaningful recurrence that would need to be diagnosed and treated. It is imperative that we continue to work with our colleagues in Belarus, Ukraine and Russia to ensure that this large volume of patients destined to develop clinically significant recurrences are diagnosed and treated in a timely manner. Ready access to modern disease detection tools (serum thyroglobulin, postoperative neck ultrasonography, cytology/pathology support, and radioactive iodine scanning) and treatments (surgery for recurrent disease, radioactive iodine therapy) in their major academic centres are mandatory if we expect to achieve the excellent clinical outcomes that should be seen when paediatric thyroid cancer recurrence is diagnosed early and treated appropriately. 相似文献
15.
16.
A genomic copy number signature predicts radiation exposure in post‐Chernobyl breast cancer 下载免费PDF全文
Julia Hess Sergiy V. Klymenko Vadim V. Chumak Liubov M. Zakhartseva Elena V. Bakhanova Axel K. Walch Martin Selmansberger Daniel Samaga Peter Weber Ludmila Schneider Falko Fend Hans C. Bösmüller Horst Zitzelsberger Kristian Unger 《International journal of cancer. Journal international du cancer》2018,143(6):1505-1515
Breast cancer is the second leading cause of cancer death among women worldwide and besides life style, age and genetic risk factors, exposure to ionizing radiation is known to increase the risk for breast cancer. Further, DNA copy number alterations (CNAs), which can result from radiation‐induced double‐strand breaks, are frequently occurring in breast cancer cells. We set out to identify a signature of CNAs discriminating breast cancers from radiation‐exposed and non‐exposed female patients. We analyzed resected breast cancer tissues from 68 exposed female Chernobyl clean‐up workers and evacuees and 68 matched non‐exposed control patients for CNAs by array comparative genomic hybridization analysis (aCGH). Using a stepwise forward–backward selection approach a non‐complex CNA signature, that is, less than ten features, was identified in the training data set, which could be subsequently validated in the validation data set (p value < 0.05). The signature consisted of nine copy number regions located on chromosomal bands 7q11.22‐11.23, 7q21.3, 16q24.3, 17q21.31, 20p11.23‐11.21, 1p21.1, 2q35, 2q35, 6p22.2. The signature was independent of any clinical characteristics of the patients. In all, we identified a CNA signature that has the potential to allow identification of radiation‐associated breast cancer at the individual level. 相似文献
17.
Williams ED Abrosimov A Bogdanova T Demidchik EP Ito M LiVolsi V Lushnikov E Rosai J Sidorov Y Tronko MD Tsyb AF Vowler SL Thomas GA 《British journal of cancer》2004,90(11):2219-2224
The large numbers of papillary thyroid carcinomas that have occurred in those exposed to high levels of short-lived isotopes in fallout after Chernobyl provide a unique opportunity to correlate latency and tumour biology. We show that short latency is associated with tumours with a phenotype that is significantly less structurally differentiated, shows significantly less peritumour fibrosis, and significantly more invasive spread when compared to tumours with a longer latent period. In contrast, the type of differentiation (papillary or follicular architecture) is associated with age at exposure. These findings suggest that the initial mutation at the time of exposure played a major role in tumour latency and aggressiveness. We and others have shown that RET-PTC3 rearrangements are associated with the solid morphology seen in these short latency tumours, while classical papillary carcinomas more often show RET-PTC1 rearrangements. Studies in transgenic mice show similar findings, and in vitro studies show that RET-PTC3 induces more rapid growth than RET-PTC1. We therefore suggest that the solid morphology, high frequency of RET-PTC3 rearrangements and aggressive behaviour noted in early investigations of post-Chernobyl tumours were characteristic of short latency rather than the nature of the mutagen, and that successive overlapping waves of papillary carcinoma with differing latency, differing patterns of mutations and differing clinical behaviour are occurring in those exposed to Chernobyl fallout. 相似文献
18.
Rebecca J. Leeman‐Neill MD PhD Lindsey M. Kelly BS Pengyuan Liu PhD Alina V. Brenner MD PhD MPH Mark P. Little MA DPhil Tetiana I. Bogdanova MD PhD Viktoria N. Evdokimova PhD Maureen Hatch PhD Liudmyla Y. Zurnadzy MD PhD Marina N. Nikiforova MD Ning J. Yue PhD Miao Zhang PhD Kiyohiko Mabuchi MD DrPH Mykola D. Tronko MD PhD Yuri E. Nikiforov MD PhD 《Cancer》2014,120(6):799-807
19.
G Dom M Tarabichi K Unger G Thomas M Oczko-Wojciechowska T Bogdanova B Jarzab JE Dumont V Detours C Maenhaut 《British journal of cancer》2012,107(6):994-1000
Background:Papillary thyroid cancer (PTC) incidence increased dramatically in children after the Chernobyl accident, providing a unique opportunity to investigate the molecular features of radiation-induced thyroid cancer. In contrast to the previous studies that included age-related confounding factors, we investigated mRNA expression in PTC and in the normal contralateral tissues of patients exposed and non-exposed to the Chernobyl fallout, using age- and ethnicity-matched non-irradiated cohorts.Methods:Forty-five patients were analysed by full-genome mRNA microarrays. Twenty-two patients have been exposed to the Chernobyl fallout; 23 others were age-matched and resident in the same regions of Ukraine, but were born after 1 March 1987, that is, were not exposed to (131)I.Results:A gene expression signature of 793 probes corresponding to 403 genes that permitted differentiation between normal tissues from patients exposed and from those who were not exposed to radiation was identified. The differences were confirmed by quantitative RT-PCR. Many deregulated pathways in the exposed normal tissues are related to cell proliferation.Conclusion:Our results suggest that a higher proliferation rate in normal thyroid could be related to radiation-induced cancer either as a predisposition or as a consequence of radiation. The signature allows the identification of radiation-induced thyroid cancers. 相似文献
20.
Tetiana I Bogdanova Liudmyla Yu Zurnadzhy Yuri E Nikiforov Rebecca J Leeman-Neill Mykola D Tronko Stephen Chanock Kiyohiko Mabuchi Ilya A Likhtarov Leonila M Kovgan Vladimir Drozdovitch Mark P Little Maureen Hatch Lydia B Zablotska Viktor M Shpak Robert J McConnell Alina V Brenner 《British journal of cancer》2015,113(11):1556-1564