In vivo fixation of atmospheric tritium gas in pine and zelkova trees and their surroundings.

abstract：:The purpose of this study was to evaluate interfractional changes of the minimum dose delivered to 90% of the high-risk clinical target volume (HR-CTV D90) and D2cc of the bladder and rectum during brachytherapy for uterine cervical cancer patients. A total of 52 patients received external beam radiotherapy and high-d...

journal_title：Journal of radiation research

authors： Ohkubo Y,Ohno T,Noda SE,Kubo N,Nakagawa A,Kawahara M,Abe T,Kiyohara H,Wakatsuki M,Nakano T

更新日期：2013-11-01 00:00:00

abstract：:Synchrotron-radiation circular-dichroism spectroscopy was used to reveal that the DNA damage response induces a decrement of α-helix and an increment of β-strand contents of histone H3-H4 extracted from X-ray-irradiated human HeLa cells. The trend of the structural alteration was qualitatively opposite to that of our ...

journal_title：Journal of radiation research

authors： Izumi Y,Fujii K,Yamamoto S,Matsuo K,Namatame H,Taniguchi M,Yokoya A

更新日期：2017-01-01 00:00:00

abstract：:Radiation-induced bystander effects (RIBEs) are detected in cells that are not irradiated but receive signals from treated cells. The present study explored these bystander effects in a U87MG multicellular tumour spheroid model. A medium transfer technique was employed to induce the bystander effect, and colony format...

journal_title：Journal of radiation research

authors： Faqihi F,Neshastehriz A,Soleymanifard S,Shabani R,Eivazzadeh N

更新日期：2015-09-01 00:00:00

abstract：:We aimed to investigate the effect of chronic radiation exposure associated with the Fukushima Daiichi Nuclear Power Plant (FNPP) accident on the testes of boar and inobuta (a hybrid of Sus scrofa and Sus scrofa domestica). This study examined the contamination levels of radioactive caesium (Cs), especially (134)Cs an...

journal_title：Journal of radiation research

authors： Yamashiro H,Abe Y,Hayashi G,Urushihara Y,Kuwahara Y,Suzuki M,Kobayashi J,Kino Y,Fukuda T,Tong B,Takino S,Sugano Y,Sugimura S,Yamada T,Isogai E,Fukumoto M

更新日期：2015-12-01 00:00:00

abstract：:To investigate the importance of gender and aging on the individual radiosensitivity of lineage-committed myeloid hematopoietic stem/progenitor cells (HSPCs) detected in mononuclear cells (MNCs) of steady-state human peripheral blood (PB), the clonogenic survival of HPCs, including colony-forming unit-granulocyte macr...

journal_title：Journal of radiation research

authors： Kato K,Kuwabara M,Kashiwakura I

更新日期：2011-01-01 00:00:00

abstract：:This study aimed to identify factors that predict prognosis after radiotherapy for brain metastases (BMs) from small-cell lung cancer (SCLC). This study retrospectively evaluated 48 consecutive patients who underwent whole-brain radiotherapy (WBRT) for BMs from SCLC between February 2008 and December 2017. WBRT was de...

journal_title：Journal of radiation research

authors： Anami S,Doi H,Nakamatsu K,Uehara T,Wada Y,Fukuda K,Inada M,Ishikawa K,Kanamori S,Nishimura Y

更新日期：2019-03-01 00:00:00

abstract：:The expression of oncogenes was studied in 12 types of 178 mouse tumors induced by radiations and chemicals. DNA was analyzed in tumors in which the overexpression of oncogenes was noted. Amplification of the myc oncogene was found in chemically induced sarcomas, but not in sarcomas induced by radiation. Activation of...

journal_title：Journal of radiation research

authors： Niwa O,Muto M,Suzuki F,Kominami R,Yokoro K

更新日期：1991-12-01 00:00:00

abstract：:Reactions of edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one) with deoxyguanosine monophosphate (dGMP) hydroxyl radical adducts were investigated by pulse radiolysis technique. Edaravone was found to reduce the dGMP hydroxyl radical adducts through electron transfer reactions. The rate constants of the reactions were g...

journal_title：Journal of radiation research

authors： Hata K,Urushibara A,Yamashita S,Lin M,Muroya Y,Shikazono N,Yokoya A,Fu H,Katsumura Y

更新日期：2015-01-01 00:00:00

abstract：:Resveratrol has received considerable attention as a polyphenol with anti-oxidant, anti-carcinogenic, and anti-inflammatory effects. Radiation is an important component of therapy for a wide range of malignant conditions. However, it causes damage to normal cells and, hence, can result in adverse side effects. This st...

journal_title：Journal of radiation research

authors： Jeong MH,Yang KM,Jeong DH,Lee CG,Oh SJ,Jeong SK,Lee KW,Jo YR,Jo WS

更新日期：2014-05-01 00:00:00

abstract：:This study was designed to elucidate the dose-response relationships for life-shortening and tumorigenic effect in the dose range below 1 Gy of gamma rays delivered during the infant period. Female B6C3F1 mice were irradiated with 0.10, 0.48 or 0.95 Gy at 7 days of age. All irradiated mice were allowed to live out the...

journal_title：Journal of radiation research

authors： Sasaki S,Fukuda N

更新日期：2006-06-01 00:00:00

abstract：:Female C3H strain mice, which do not spontaneously exhibit frequent bone tumors and myeloid leukemias, were injected intraperitoneally with various doses of 10 to 12,000 Bq/animal of monomeric 239Pu citrate to clarify lifetime carcinogenesis caused by alpha-particles distributed mainly in the skeleton. Survival time w...

journal_title：Journal of radiation research

authors： Oghiso Y,Yamada Y,Iida H

更新日期：1997-06-01 00:00:00

abstract：:The purpose of this study was to assess the toxicity and efficacy of multimodal approaches, including three-dimensional conformal re-irradiation, for patients with recurrent or persistent esophageal cancer after radiotherapy. Thirty-one patients with esophageal cancer treated with three-dimensional conformal re-irradi...

journal_title：Journal of radiation research

authors： Yamaguchi S,Ohguri T,Imada H,Yahara K,Moon SD,Higure A,Yamaguchi K,Yoshikawa I,Harada M,Korogi Y

更新日期：2011-01-01 00:00:00

abstract：:We investigated the sensitizing effect of the 2-nitroimidazole analogue doranidazole, a new hypoxic radiosensitizer, on radiation-induced apoptosis in L5178Y cells. Apoptosis was assessed by checking DNA ladder formation, the presence of sub-G1 peaks in flow cytometry, and chromatin condensation. A radiosensitizing ef...

journal_title：Journal of radiation research

authors： Aoki M,Furusawa Y,Shibamoto Y,Kobayashi A,Tsujitani M

更新日期：2002-06-01 00:00:00

abstract：:The present paper is part of an attempt at finally reconstructing the realities of nuclear tests and their human effects near Semipalatinsk, Kazakhstan. As a first step, it tries to reconstruct the overall image of nuclear tests and their human effects. Our data are 199 written testimonies of those affected by radiati...

journal_title：Journal of radiation research

authors： Matsuo M,Kawano N,Satoh K,Apsalikov KN,Moldagaliev T

更新日期：2006-02-01 00:00:00

abstract：:In intensity-modulated radiation therapy (IMRT) and stereotactic irradiation using a linear accelerator, radiation is administered intermittently and one treatment session often requires 30 min or a longer time. The purpose of the present study was to investigate the effect of fractionation and dose per fraction on ce...

journal_title：Journal of radiation research

authors： Ogino H,Shibamoto Y,Sugie C,Ito M

更新日期：2005-12-01 00:00:00

abstract：:To improve treatment conformity for prostate cancer, we investigated daily applicator displacement during high-dose-rate interstitial brachytherapy (HDR-ISBT). Thirty patients treated with HDR-ISBT as monotherapy were examined. All patients received a treatment dosage of 49 Gy per 7 fractions over 4 days. For dose adm...

journal_title：Journal of radiation research

authors： Takenaka T,Yoshida K,Ueda M,Yamazaki H,Miyake S,Tanaka E,Yoshida M,Yoshimura Y,Oka T,Honda K

更新日期：2012-01-01 00:00:00

abstract：:We evaluated the radiological response and clinical outcome in patients with femoral bone metastases after radiotherapy. 102 consecutive patients with femoral metastases without pathological fracture were treated by surgery or radiotherapy between 2002 and 2005. Twelve of them initially treated with surgery were exclu...

journal_title：Journal of radiation research

authors： Harada H,Katagiri H,Kamata M,Yoshioka Y,Asakura H,Hashimoto T,Furutani K,Takahashi M,Sakahara H,Nishimura T

更新日期：2010-01-01 00:00:00

abstract：:The NCRP has recently defined RBE values and a new quantity (Gy-Eq) for use in estimation of deterministic effects in space shielding and operations. The NCRP's RBE for neutrons is left ambiguous and not fully defined. In the present report we will suggest a complete definition of neutron RBE consistent with the NCRP ...

journal_title：Journal of radiation research

authors： Wilson JW,Kim MH,De Angelis G,Cucinotta FA,Yoshizawa N,Badavi FF

更新日期：2002-12-01 00:00:00

abstract：:Thyroid cells were given 5.5 Gy X-rays in situ and transplanted after 1 day or after 6 weeks to form colonies in fat pads. The colony-forming efficiency unexpectedly decreased by a factor of about 2 with this increase in delay time before transplantation. In addition, there was a concomitant marked increase above the ...

journal_title：Journal of radiation research

authors： Watanabe H,Hendry JH

更新日期：1994-06-01 00:00:00

abstract：:Millimeter waves are used in various fields, and the risks of this wavelength range for human health must be carefully evaluated. In this study, we investigated the effects of millimeter waves on genotoxicity and heat shock protein expression in human corneal epithelial (HCE-T) and human lens epithelial (SRA01/04) cel...

journal_title：Journal of radiation research

authors： Koyama S,Narita E,Suzuki Y,Shiina T,Taki M,Shinohara N,Miyakoshi J

更新日期：2019-07-01 00:00:00

abstract：:Herein we summarize the public health actions taken to mitigate exposure of the public to radiation after the Fukushima accident that occurred on 11 March 2011 in order to record valuable lessons learned for disaster preparedness. Evacuations from the radiation-affected areas and control of the distribution of various...

journal_title：Journal of radiation research

authors： Shimura T,Yamaguchi I,Terada H,Robert Svendsen E,Kunugita N

更新日期：2015-05-01 00:00:00

abstract：:The radiation killing of tumor cells by ionizing radiation is best described by the linear-quadratic (LQ) model. Research into the underlying mechanisms of α- and β-inactivation has suggested that different molecular targets (DNA in different forms) and different microdosimetric energy deposits (spurs versus electron ...

journal_title：Journal of radiation research

authors： Chapman JD

更新日期：2014-01-01 00:00:00

abstract：:Massive release of radioactive materials into the atmosphere occurred due to the Fukushima Daiichi Nuclear Power Station (FDNPS) accident in March 2011. The World Health Organization (WHO) and the United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR) reported the results of dose estimation t...

journal_title：Journal of radiation research

authors： Miyatake H,Kawai M,Yoshizawa N,Suzuki G

更新日期：2020-03-23 00:00:00

abstract：:To evaluate the effect of the sympathetic nervous system on radiation-induced apoptosis in jejunal crypt cells, apoptosis levels were compared in spontaneously hypertensive rats (SHR), animals which are a genetic hyperfunction model of the sympathetic nervous system, and normotensive Wistar-Kyoto rats (WKY). SHR and W...

journal_title：Journal of radiation research

authors： Matsuu M,Shichijo K,Nakamura Y,Ikeda Y,Naito S,Ito M,Okaichi K,Sekine I

更新日期：2000-03-01 00:00:00

abstract：:Several models for the action of mixed irradiation with two types of radiation have been proposed in the last two decades, although the superiority or inferiority of these models is not completely elucidated. However, mixed irradiation is sometimes composed of more than two types of radiation, and for this type of mix...

journal_title：Journal of radiation research

authors： Suzuki S

更新日期：1998-09-01 00:00:00

abstract：:The paper describes the development of chemical modules simulating the prechemical and chemical stages of charged particle tracks in pure liquid water. These calculations are based on our physical track structure codes for electrons and ions (KURBUC, LEPHIST and LEAHIST) which provide the initial spatial distribution ...

journal_title：Journal of radiation research

authors： Uehara S,Nikjoo H

更新日期：2006-03-01 00:00:00

abstract：:Tritium precipitations in European cities and in Osaka, Japan were analyzed before and after the Chernobyl nuclear plant accident by the time series analysis code Census IIX11 developed by US Department of Commerce Bureau of the Census. Results of this analysis showed no significant tritium precipitation was produced ...

journal_title：Journal of radiation research

authors： Koga T,Morishima H,Niwa T,Kawai H

更新日期：1991-09-01 00:00:00

abstract：:Several studies have reported the usefulness of the field-in-field (FIF) technique in breast radiotherapy. However, the methods for the FIF technique used in these studies vary. These methods were classified into three categories. We simulated a radiotherapy plan with each method and analyzed the outcomes. In the firs...

journal_title：Journal of radiation research

authors： Tanaka H,Hayashi S,Hoshi H

更新日期：2014-07-01 00:00:00

abstract：:The purpose of the study was to quantify local setup errors and evaluate the planning target volume (PTV) margins for sub-regions in cone-beam computed tomography (CBCT)-guided post-mastectomy radiation therapy (PMRT). The local setup errors of 20 patients undergoing CBCT-guided PMRT were analysed retrospectively. Ima...

journal_title：Journal of radiation research

authors： Zhou J,Li S,Ye C,Shen K,Li A,Chen G,Li X,Bai S,Wang W,Zhong R

更新日期：2020-05-22 00:00:00

abstract：:The quality of the sublethal damage (SLD) after irradiation with high-linear energy transfer (LET) ion beams was investigated with low-LET photons. Chinese hamster V79 cells and human squamous carcinoma SAS cells were first exposed to a priming dose of different ion beams at different LETs at the Heavy Ion Medical Acc...

journal_title：Journal of radiation research

authors： Furusawa Y,Nakano-Aoki M,Matsumoto Y,Hirayama R,Kobayashi A,Konishi T

更新日期：2017-11-01 00:00:00