A review of forty-five years study of Hiroshima and Nagasaki atomic bomb survivors. Aging.

abstract：:Although radon inhalation increases superoxide dismutase (SOD) activities in mouse organs, the mechanisms and pathways have not yet been fully clarified. The aim of this study was to determine the details of SOD activation in mouse brain tissue following the inhalation of radon at concentrations of 500 or 2000 Bq/m3 f...

journal_title：Journal of radiation research

authors： Kataoka T,Etani R,Kanzaki N,Kobashi Y,Yunoki Y,Ishida T,Sakoda A,Ishimori Y,Yamaoka K

更新日期：2017-11-01 00:00:00

abstract：:In the last few years, hospital-based facilities for carbon-ion radiotherapy are being constructed and proposed in Europe and Asia. During the next few years, several new facilities will be opened for carbon-ion radiotherapy in the world. These facilities in operation or under construction are categorized in two types...

journal_title：Journal of radiation research

authors： Minohara S,Fukuda S,Kanematsu N,Takei Y,Furukawa T,Inaniwa T,Matsufuji N,Mori S,Noda K

更新日期：2010-01-01 00:00:00

abstract：:A biological dosimetry system for measuring solar UV-B light was established using bacteriophage T1 with E. coli Bs-1 as the host cell. Also a new physical UV-B dosimeter was developed which can specifically detect the UV spectral region related to inactivation of phage T1. Phage T1 is very stable in liquid suspension...

journal_title：Journal of radiation research

authors： Furusawa Y,Suzuki K,Sasaki M

更新日期：1990-06-01 00:00:00

abstract：:The effect of gamma-irradiation on a major nutritional function of the yolk sac (the uptake and digestion of macromolecular materials) was studied in rat visceral yolk sacs cultured in vitro being used 125I-labeled bovine serum albumin (RISA) as the tracer protein. The uptake of RISA (per g wet weight) by rat yolk sac...

journal_title：Journal of radiation research

authors： Takahashi S,Koshimoto C,Kubota Y

更新日期：1993-06-01 00:00:00

abstract：:The aim of the study was to compare clinical outcomes and toxicity between 3D conformal radiotherapy (3DCRT) and image-guided intensity-modulated radiotherapy (IG-IMRT) administered through helical tomotherapy in locally advanced rectal cancer (LARC) patients receiving preoperative chemoradiotherapy. We reviewed 144 p...

journal_title：Journal of radiation research

authors： Huang CM,Huang MY,Tsai HL,Huang CW,Ma CJ,Lin CH,Huang CJ,Wang JY

更新日期：2017-03-01 00:00:00

abstract：:Low doses (2.5-15 cGy) of X-irradiation two months prior to a second exposure to a sublethal dose enhanced the survival rate in mice. Optimal and significant increase was observed with 5-10 cGy. Endogenous spleen colony counts (endo-CFUs) after 7 Gy increased by a factor of about 1.7 in mice pre-irradiated with 5-10 c...

journal_title：Journal of radiation research

authors： Yonezawa M,Takeda A,Misonoh J

更新日期：1990-09-01 00:00:00

abstract：:The purpose of this study was to analyze the clinical outcomes of simultaneous modulated accelerated radiotherapy (SMART) in patients with nasopharyngeal carcinoma (NPC). A total of 97 patients who underwent SMART for NPC between August 2005 and November 2011 were evaluated. The prescribed dose was 69.9 Gy/30 fraction...

journal_title：Journal of radiation research

authors： Tang JM,Ma XM,Hou YL,Dai LY,Cao HB,Ye M,Bai YR

更新日期：2014-07-01 00:00:00

abstract：:Although salvage external-beam radiation therapy (EBRT) is an attractive treatment option for pelvic lymph nodal recurrence (PeNR) in patients with prostate cancer (PCa), limited data are available regarding its long-term efficacy. This study examined the long-term clinical outcomes of patients who underwent salvage p...

journal_title：Journal of radiation research

authors： Sato GE,Aizawa R,Nakamura K,Takayama K,Inoue T,Yamasaki T,Kobayashi T,Akamatsu S,Ogawa O,Mizowaki T

更新日期：2020-07-06 00:00:00

abstract：:The direct biological effects of radiation, particularly accelerated heavy particle ions, on neurons are not fully known. Hence, the direct effect of carbon-ion beams on immature neurons was investigated by comparing to the effect of X-rays in vitro using primary hippocampal neurons. Primary neurons were prepared from...

journal_title：Journal of radiation research

authors： Kaminuma T,Suzuki Y,Shirai K,Mizui T,Noda SE,Yoshida Y,Funayama T,Takahashi T,Kobayashi Y,Shirao T,Nakano T

更新日期：2010-01-01 00:00:00

abstract：:The purpose of this study is to investigate the normal tissue damage caused by carbon-ion therapy. We measured chromosomal aberrations in peripheral blood lymphocytes before, during, and after radiotherapy, using the techniques of fluorescence in situ hybridization (FISH) and chemically induced premature chromosome co...

journal_title：Journal of radiation research

authors： Lee R,Yamada S,Yamamoto N,Miyamoto T,Ando K,Durante M,Tsujii H

更新日期：2004-06-01 00:00:00

abstract：:The prognosis and treatment of thyroid cancer depends on the type and stage of the disease. Radiosensitivity differs among cancer cells owing to their varying capacity for repair after irradiation. Radioactive iodine can be used to destroy thyroid cancer cells. However, patient prognosis and improvement after irradiat...

journal_title：Journal of radiation research

authors： Ihara M,Ashizawa K,Shichijo K,Kudo T

更新日期：2019-03-01 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：: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：:Spatial distributions of soil contamination by 137Cs (89 sampling points) and 239+240Pu (76 points) near and within Dolon village were analyzed. An essential exponential decrease of contamination was found in Dolon village: the distance of a half reduction in contamination is about 0.87-1.25 km (in a northwest-southea...

journal_title：Journal of radiation research

authors： Stepanenko VF,Hoshi M,Dubasov YV,Sakaguchi A,Yamamoto M,Orlov MY,Bailiff IK,Ivannikov AI,Skvortsov VG,Iaskova EK,Kryukova IG,Zhumadilov KS,Endo S,Tanaka K,Apsalikov KN,Gusev BI

更新日期：2006-02-01 00:00:00

abstract：:Patient A who was exposed to a critical dose of radiation developed skin lesions throughout the body surface, gastrointestinal disorder with massive diarrhea and prominent bleeding, which caused severe loss in body fluids. Gastrointestinal bleeding due to the deteriorated intestinal mucosa was considered to be one of ...

journal_title：Journal of radiation research

authors： Ishii T,Futami S,Nishida M,Suzuki T,Sakamoto T,Suzuki N,Maekawa K

更新日期：2001-09-01 00:00:00

abstract：:This study aimed to clarify the motivations and timing of the decision to become radiation oncologists. MATERIALS AND METHODS:We conducted an online survey for new members of the Japanese Society for Radiation Oncology (JASTRO). RESULTS:The response rate was 43.3%. Data of the 79 respondents who wanted to obtain a b...

journal_title：Journal of radiation research

authors： Murakami Y,Noda SE,Hatayama Y,Maebayashi T,Jingu K,Nagata Y,Mizowaki T

更新日期：2020-09-08 00:00:00

abstract：:Centrosomes function in proper cell division in animal cells. The centrosome consists of a pair of centrioles and the surrounding pericentriolar matrix (PCM). After cytokinesis, daughter cells each acquire one centrosome, which subsequently duplicates at the G1/S phase in a manner that is dependent upon CDK2/cyclin-E ...

journal_title：Journal of radiation research

authors： Shimada M,Komatsu K

更新日期：2009-07-01 00:00:00

abstract：:Irregular breathing can influence the outcome of 4D computed tomography imaging and cause artifacts. Visual biofeedback systems associated with a patient-specific guiding waveform are known to reduce respiratory irregularities. In Japan, abdomen and chest motion self-control devices (Abches) (representing simpler visu...

journal_title：Journal of radiation research

authors： Nakajima Y,Kadoya N,Kanai T,Ito K,Sato K,Dobashi S,Yamamoto T,Ishikawa Y,Matsushita H,Takeda K,Jingu K

更新日期：2016-07-01 00:00:00

abstract：:The biokinetics of radon in the body has previously been studied with the assumption that its absorption through the skin is negligibly small. This assumption would be acceptable except in specific situations, such as bathing in a radon hot spring where the radon concentration in thermal water is far higher than that ...

journal_title：Journal of radiation research

authors： Sakoda A,Ishimori Y,Tschiersch J

更新日期：2016-07-01 00:00:00

abstract：:The Radiation Effects Research Foundation (RERF) continues to conduct a follow-up study initiated some years ago of cancer mortality and incidence among the survivors of the atomic bombing of Hiroshima and Nagasaki exposed in utero. Although only 18 incident cases of cancer were identified in the years 1950-1984 (of w...

journal_title：Journal of radiation research

authors： Yoshimoto Y,Kato H,Schull WJ

更新日期：1991-03-01 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：: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：: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：: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：:We propose a clinical workflow of stereotactic volumetric modulated arc therapy (VMAT) for a lung tumor from planning to tumor position verification using 4D planning computed tomography (CT) and 4D cone-beam CT (CBCT). A 4D CT scanner, an Anzai belt and a BodyFix were employed to obtain 10-phase respiratory-correlate...

journal_title：Journal of radiation research

authors： Nakagawa K,Haga A,Kida S,Masutani Y,Yamashita H,Takahashi W,Sakumi A,Saotome N,Shiraki T,Ohtomo K,Iwai Y,Yoda K

更新日期：2013-01-01 00:00:00

abstract：:The aim of the study was to investigate the various effects of high linear energy transfer (LET) carbon ion (12C6+) and low LET X-ray radiation on MDA-MB-231 and MCF-7 human breast cancer cells and to explore the underlying mechanisms of radiation sensitivity. Cell proliferation, cell colony formation, cell cycle dist...

journal_title：Journal of radiation research

authors： Zhang Q,Kong Y,Yang Z,Liu Y,Liu R,Geng Y,Luo H,Zhang H,Li H,Feng S,Wang X

更新日期：2020-05-22 00:00:00

abstract：:Respiratory motion management is a huge challenge in radiation therapy. Respiratory motion induces temporal anatomic changes that distort the tumor volume and its position. In this study, a markerless tumor-tracking algorithm was investigated by performing phase recognition during stereotactic body radiation therapy (...

journal_title：Journal of radiation research

authors： Bhusal Chhatkuli R,Demachi K,Uesaka M,Nakagawa K,Haga A

更新日期：2019-01-01 00:00:00

abstract：:Due to the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident, the evacuees from Namie Town still cannot reside in the town, and some continue to live in temporary housing units. In this study, the radon activity concentrations were measured at temporary housing facilities, apartments and detached houses in Fukush...

journal_title：Journal of radiation research

authors： Hosoda M,Tokonami S,Omori Y,Ishikawa T,Iwaoka K

更新日期：2016-07-01 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：:We evaluated the interrelationship between rectal content and intrafraction motion of the prostate. Forty seven prostate cancer patients instructed to remove their rectal gas were imaged by planning CT and MRI before radiotherapy (RT) and during RT. The total scan time was comparable to our cone-beam CT scanning and t...

journal_title：Journal of radiation research

authors： Ogino I,Kaneko T,Suzuki R,Matsui T,Takebayashi S,Inoue T,Morita S

更新日期：2011-01-01 00:00:00