Reassessment of gamma-ray doses in Hiroshima and Nagasaki.

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：:A synergistic interaction of hyperthermia with ionizing or UV light (254 nm) radiation was analyzed in experiments with yeast cells. For a fixed dose rate of radiation, the synergism was shown to be observed only within a definite temperature range (40-45 degrees C), inside of which there was an optimal temperature to...

journal_title：Journal of radiation research

authors： Kim JK,Petin VG,Zhurakovskaya GP

更新日期：2001-12-01 00:00:00

abstract：:The brachytherapy dose calculations used in treatment planning systems (TPSs) have conventionally been performed assuming homogeneous water. Using measurements and a Monte Carlo simulation, we evaluated the dosimetric impact of an air passage on brachytherapy for bronchus cancer. To obtain the geometrical characterist...

journal_title：Journal of radiation research

authors： Okamoto H,Wakita A,Nakamura S,Nishioka S,Aikawa A,Kato T,Abe Y,Kobayashi K,Inaba K,Murakami N,Itami J

更新日期：2016-11-01 00:00:00

abstract：:We examined the effect of whole body low-dose gamma-irradiation on the status of the antioxidant defense system in the rodent kidneys at different time intervals. Young male Balb/c mice were exposed to whole body radiation from a (60)Co source at doses of 10, 25 and 50 cGy (48.78 cGy/min). Antioxidant status and lipid...

journal_title：Journal of radiation research

authors： Pathak CM,Avti PK,Kumar S,Khanduja KL,Sharma SC

更新日期：2007-03-01 00:00:00

abstract：:Radiotherapy-induced toxicity is a major dose-limiting factor in anti-cancer treatment. Ionizing radiation leads to the formation of reactive oxygen and nitrogen species (ROS/RNS) that are associated with radiation-induced cell death. Investigations of biological effects of fullerenol have provided evidence for its RO...

journal_title：Journal of radiation research

authors： Bogdanović V,Stankov K,Icević I,Zikic D,Nikolić A,Solajić S,Djordjević A,Bogdanović G

更新日期：2008-05-01 00:00:00

abstract：:The purpose of this study was to analyze the patterns of care and outcomes of patients with FIGO Stage I/II cervical cancer who underwent definitive radiotherapy (RT) at multiple Japanese institutions. The Japanese Radiation Oncology Study Group (JROSG) performed a questionnaire-based survey of their cervical cancer p...

journal_title：Journal of radiation research

authors： Ariga T,Toita T,Kato S,Kazumoto T,Kubozono M,Tokumaru S,Eto H,Nishimura T,Niibe Y,Nakata K,Kaneyasu Y,Nonoshita T,Uno T,Ohno T,Iwata H,Harima Y,Wada H,Yoshida K,Gomi H,Numasaki H,Teshima T,Yamada S,Nakano T

更新日期：2015-09-01 00:00:00

abstract：:We have examined the neutron energy dependency of cell killing and mutation induction at the hprt locus in Chinese hamster V79 cells. Monoenergetic neutrons at 0.32, 0.57, and 1.2 MeV were generated at the Hiroshima University Radiobiological Research Accelerator (HIRRAC) Facility, and were used to irradiate cells. Th...

journal_title：Journal of radiation research

authors： Kubota N,Okada S,Nagatomo S,Ozawa F,Inada T,Hill CK,Endo S,Komatsu K

更新日期：1999-12-01 00:00:00

abstract：:Reactive oxygen species continuously oxidize DNA bases and threaten the genetic integrity. Thymine glycol (TG), one of the representative oxidized products, is repaired mainly by base excision repair (BER). In Escherichia coli, endonuclease III (Nth) and endonuclease VIII (Nei) are known to actively remove TG from DNA...

journal_title：Journal of radiation research

authors： Yamamoto R,Akiyama M,Ide H,Yamamoto K,Matsuyama S,Kubo K

更新日期：2008-05-01 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：:Chromatin-regulating proteins represent a large class of novel targets for cancer therapy. In the context of radiotherapy, acetylation and deacetylation of histones by histone acetyltransferases (HATs) and histone deacetylases (HDACs) play important roles in the repair of DNA double-strand breaks generated by ionizing...

journal_title：Journal of radiation research

authors： Oike T,Ogiwara H,Amornwichet N,Nakano T,Kohno T

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 fertility span between the first and the last estrus was compared among female Chinese hamsters exposed to 1 Gy X-rays on neonatal day 0, 2, 4, 6, 8, 10 and 14. The fertility span changed dramatically according to the age at the time of irradiation. The females irradiated on day 4, 6 and 8 showed a definite delay ...

journal_title：Journal of radiation research

authors： Tateno H,Mikamo K

更新日期：1989-06-01 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 International Space Environment Service (ISES) is an international organization for space weather forecasts and belongs to the International Union of Radio Science (URSI). There are eleven ISES forecast centers in the world, and Communications Research Laboratory (CRL) runs the Japanese one. We make forecasts on t...

journal_title：Journal of radiation research

authors： Watari S,Tomita F

更新日期：2002-12-01 00:00:00

abstract：:The purpose of this multi-institutional Phase II trial study was to prospectively investigate the efficacy of the herbal medicine TJ-14 for acute radiation-induced enteritis (ARE). TJ-14 was administered orally as a first-line treatment for ARE. The primary end point was efficacy at 1 week. The secondary end points we...

journal_title：Journal of radiation research

authors： Murai T,Matsuo M,Tanaka H,Manabe Y,Takaoka T,Hachiya K,Yamaguchi T,Otsuka S,Shibamoto Y

更新日期：2020-01-23 00:00:00

abstract：:We evaluated the efficacy and safety of stereotactic body radiation therapy (SBRT) for patients with head and neck tumors. From April 2005 through April 2008, 34 patients with head and neck tumors were treated with CyberKnife SBRT. Twenty-one of them had prior radiotherapy. Treatment sites were orbit (n = 7), cervical...

journal_title：Journal of radiation research

authors： Kodani N,Yamazaki H,Tsubokura T,Shiomi H,Kobayashi K,Nishimura T,Aibe N,Ikeno H,Nishimura T

更新日期：2011-01-01 00:00:00

abstract：:We have proposed four dimensional (4D) digitally reconstructed radiography (DRR) for verifying a lung tumor position during volumetric modulated arc therapy (VMAT). An internal target volume (ITV) was defined based on two clinical target volumes (CTVs) delineated on maximum exhalation and maximum inhalation images acq...

journal_title：Journal of radiation research

authors： Nakagawa K,Kida S,Haga A,Masutani Y,Yamashita H,Onoe T,Imae T,Tanaka K,Ohtomo K,Yoda K

更新日期：2012-07-01 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：:In case of an accidental overexposure to ionizing radiation where the dose received by the victim is over 5 Gy, the conventional biological indicator of dose, the dicentric assay, does not provide an accurate enough dose measurement. A more appropriate technique is to measure ring chromosomes in stimulated lymphocytes...

journal_title：Journal of radiation research

authors： Lamadrid AI,García O,Delbos M,Voisin P,Roy L

更新日期：2007-01-01 00:00:00

abstract：:The aims of present study were to evaluate the efficacy of combining sunitinib with ionizing radiation (IR) on endothelial cells in vitro and in vivo. Human umbilical vein endothelial cells (HUVECs) were exposed to IR with or without sunitinib pretreatment. Apoptosis assay and cell cycle distribution were analyzed by ...

journal_title：Journal of radiation research

authors： Zhang HP,Takayama K,Su B,Jiao XD,Li R,Wang JJ

更新日期：2011-01-01 00:00:00

abstract：:Photon irradiation has been repeatedly suspected of increasing tumor cell motility and promoting locoregional recurrence of disease. This study was set up to analyse possible mechanisms underlying the potentially radiation-altered motility in medulloblastoma cells. Medulloblastoma cell lines D425 and Med8A were analyz...

journal_title：Journal of radiation research

authors： Rieken S,Rieber J,Brons S,Habermehl D,Rief H,Orschiedt L,Lindel K,Weber KJ,Debus J,Combs SE

更新日期：2015-05-01 00:00:00

abstract：:The aim of this study was to determine the outcomes and adverse events for 300 men with prostate cancer treated with 125iodine (125I) brachytherapy with and without external-beam radiation therapy (EBRT) at a single institution in Japan. Between February 2005 and November 2011, 300 consecutive patients with clinically...

journal_title：Journal of radiation research

authors： Maki S,Itoh Y,Kubota S,Okada T,Nakahara R,Ito J,Kawamura M,Naganawa S,Yoshino Y,Fujita T,Kato M,Gotoh M,Ikeda M

更新日期：2017-11-01 00:00:00

abstract：:Gated radiation therapy is a promising method for improving the dose conformality of treatments to moving targets and reducing the total volume of irradiated tissue. Target motion is of particular concern in proton beam radiotherapy, due to the finite range of proton dose deposition in tissue. Gating allows one to red...

journal_title：Journal of radiation research

authors： Sharp GC,Lu HM,Trofimov A,Tang X,Jiang SB,Turcotte J,Gierga DP,Chen GT,Hong TS

更新日期：2007-01-01 00:00:00

abstract：:An overview is given of the dose-response relationship for stable chromosome aberrations (i.e., translocations and inversions) in the peripheral blood lymphocytes of A-bomb survivors in Hiroshima. Special emphasis is placed on (i) the overdispersion of survivor cases with either unexpectedly high or low aberration fre...

journal_title：Journal of radiation research

authors： Awa AA,Nakano M,Ohtaki K,Kodama Y,Lucas J,Gray J

更新日期：1992-03-01 00:00:00

abstract：:To evaluate the lifetime hazards of ionizing radiation exposure, 1680 beagles received whole-body, 60-Cobalt gamma exposures or sham-exposures during development. Eight groups of 120 dogs each received mean doses of 16 or 83 cGy at 8 (preimplantation), 28 (embryonic), or 55 (late fetal) days postcoitus (dpc), or 2 (ne...

journal_title：Journal of radiation research

authors： Benjamin SA,Saunders WJ,Angleton GM,Lee AC

更新日期：1991-12-01 00:00:00

abstract：:Chromosome painting by fluorescence in situ hybridization (FISH) with a whole chromosome-specific DNA probe was used to detect chromosomal aberrations in lymphocytes from cancer patients given partial-body fractionated X-ray therapy. Six male patients with cancer of the stomach, prostate, lung, or hepatocellular carci...

journal_title：Journal of radiation research

authors： Matsuoka A,Yamada K,Hayashi M,Sofuni T

更新日期：1996-12-01 00:00:00

abstract：:The aim of this study is to demonstrate the feasibility of estimating the strength of the moving radiation source during patient implantation. The requirement for the counting time was investigated by comparing the results of the measurements for the static source with those for the source moving at 2, 5, 10 and 20 cm...

journal_title：Journal of radiation research

authors： Tanaka K,Endo S,Tateoka K,Asanuma O,Kamo K,Sato K,Takeda H,Takagi M,Hareyama M,Takada J

更新日期：2014-01-01 00:00:00

abstract：:Carbon-ion therapy by layer-stacking irradiation for static targets has been practised in clinical treatments. In order to apply this technique to a moving target, disturbances of carbon-ion dose distributions due to respiratory motion have been studied based on the measurement using a respiratory motion phantom, and ...

journal_title：Journal of radiation research

authors： Tajiri S,Tashiro M,Mizukami T,Tsukishima C,Torikoshi M,Kanai T

更新日期：2017-11-01 00:00:00

abstract：:Medical diagnostic X-ray workers are one occupational group that has exposure to continuous low doses of external radiation over their working lifetimes. Current ICRP recommendations [ICRP. Recommendations of the International Commission on Radiological Protection. ICRP Publication 60. Ann ICRP 1991;21 (1-3)] state th...

journal_title：Journal of radiation research

authors： Xu XS,Zhang LA,Sun QF,Qin YC,Yu NL

更新日期：2018-03-01 00:00:00

abstract：BACKGROUND:The aim of this study is to evaluate the cost-effectiveness of proton beam therapy with cochlear dose reduction compared with conventional X-ray radiotherapy for medulloblastoma in childhood. METHODS:We developed a Markov model to describe health states of 6-year-old children with medulloblastoma after trea...

journal_title：Journal of radiation research

authors： Hirano E,Fuji H,Onoe T,Kumar V,Shirato H,Kawabuchi K

更新日期：2014-03-01 00:00:00