Effects of colcemid concentration on chromosome aberration analysis in human lymphocytes.

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 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：:This study evaluated synthetic trehalose dicorynomycolate (S-TDCM), an immunomodulator, for its survival enhancing capacity and behavioral toxicity in B6D2F1 female mice. In survival experiments, mice were administered S-TDCM (25-400 micrograms/mouse i.p.) 20-24 hr before 5.6 Gy mixed-field fission-neutron irradiation...

journal_title：Journal of radiation research

authors： Landauer MR,McChesney DG,Ledney GD

更新日期：1997-03-01 00:00:00

abstract：:Surgery is the standard modality for early-stage I-II non-small-cell lung cancer (NSCLC). Generally, patients who are >80 years old tend to have more comorbidities and inferior physical status than younger patients. Stereotactic body radiation therapy (SBRT) may provide an alternative treatment for this group of patie...

journal_title：Journal of radiation research

authors： Bei Y,Murakami N,Nakayama Y,Okuma K,Kashihara T,Raturi VP,Okamoto H,Takahashi K,Inaba K,Igaki H,Itami J

更新日期：2020-07-06 00:00:00

abstract：:This study investigated the radioprotective effect of Sipunculus nudus L. polysaccharide (SNP) in combination with WR-2721, rhIL-11 and rhG-CSF on irradiated mice. A total of 70 Imprinting Control Region (ICR) mice were divided into seven groups: the control group, the model group and five administration groups. All g...

journal_title：Journal of radiation research

authors： Jiang S,Shen X,Liu Y,He Y,Jiang D,Chen W

更新日期：2015-05-01 00:00:00

abstract：:To analyze the biological effects of the space environment, we flew nine lines of rice seeds on the Chinese 20(th) recoverable satellite for a duration of 18 days. The same lines of seeds were also irradiated to low doses (2.0 mGy) of Carbon, or Neon or Iron ions (with different LET value of 13.3 keV/microm, 31 keV/mi...

journal_title：Journal of radiation research

authors： Wei LJ,Yang Q,Xia HM,Furusawa Y,Guan SH,Xin P,Sun YQ

更新日期：2006-11-01 00:00:00

abstract：:Reassessment of gamma-ray doses from the atomic bombs in Hiroshima and Nagasaki has been carried out with the thermoluminescent measurements of bricks and decorative tiles which were collected from the buildings that remain as they were at the time of the explosions. The thermoluminescent measurements were performed u...

journal_title：Journal of radiation research

authors： Maruyama T,Kumamoto Y,Noda Y

更新日期：1991-03-01 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：:Although well described in the 1960s, liver toxicity secondary to radiation therapy, commonly known as radiation-induced liver disease (RILD), remains a major challenge. RILD encompasses two distinct clinical entities, a 'classic' form, composed of anicteric hepatomegaly, ascites and elevated alkaline phosphatase; and...

journal_title：Journal of radiation research

authors： Toesca DAS,Ibragimov B,Koong AJ,Xing L,Koong AC,Chang DT

更新日期：2018-03-01 00:00:00

abstract：:To identify the repair dynamics involved in high linear energy transfer (LET) radiation-induced DNA damage, phospho-H2AX (gammaH2AX) foci formation was analyzed after cellular exposure to iron ions (Fe-ions, 500 MeV u(-1), 200 KeV microm(-1)). The foci located at DNA damage sites were visualized using immunocytochemic...

journal_title：Journal of radiation research

authors： Takahashi A,Yamakawa N,Kirita T,Omori K,Ishioka N,Furusawa Y,Mori E,Ohnishi K,Ohnishi T

更新日期：2008-11-01 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：:It has previously been demonstrated that the presence of fetal bovine serum is necessary for TGF-β3 (transforming growth factor beta 3)-dependent elimination of low-dose hyper-radiosensitivity (HRS) in cells by 1 h of low-dose-rate γ-irradiation (0.2-0.3 Gy/h). The purpose of the present study was to identify the seru...

journal_title：Journal of radiation research

authors： Edin NF

更新日期：2014-11-01 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：:Differentiation-induction therapy is an attractive approach in leukemia treatment. It has been suggested that the accumulation of intracellular reactive oxygen species (ROS) is involved in megakaryocytic differentiation induced by phorbol 12-myristate 13-acetate (PMA) in the K562 leukemia cell line. Therefore, a ROS-i...

journal_title：Journal of radiation research

authors： Hirose K,Monzen S,Sato H,Sato M,Aoki M,Hatayama Y,Kawaguchi H,Narita Y,Takai Y,Kashiwakura I

更新日期：2013-05-01 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：: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：:Two methods were proposed for determining alpha-particle fluence for radiobiological experiments. The first involved calculating the probabilities of hitting the target for alpha particles emitted from a source through Monte Carlo simulations, which when multiplied by the activity of the source gave the fluence at the...

journal_title：Journal of radiation research

authors： Nikezic D,Yu KN

更新日期：2017-03-01 00:00:00

abstract：:Thermionic emission (TE)-type X-ray generators have been exclusively used in medicine, but there are many difficulties in making these X-ray sources compact. A field emission (FE)-type X-ray generator using carbon nanotubes is a newly-developed compact system that can be as small as several cm in length. Considering t...

journal_title：Journal of radiation research

authors： Nakazato T,Nakanishi M,Kita S,Okuyama F,Shibamoto Y,Otsuka T

更新日期：2007-03-01 00:00:00

abstract：:Halobacterium salinarium, a member of the extremely halophilic archaebacteria, contains a C50-carotenoid namely bacterioruberin. We have previously reported the high resistance of this organism against the lethal actions of DNA-damaging agents including ionizing radiation and ultraviolet light (UV). In this study, we ...

journal_title：Journal of radiation research

authors： Shahmohammadi HR,Asgarani E,Terato H,Saito T,Ohyama Y,Gekko K,Yamamoto O,Ide H

更新日期：1998-12-01 00:00:00

abstract：:We evaluated toxicity and outcomes for patients with peripheral lung tumors treated with stereotactic body radiation therapy (SBRT) in a dose-escalation and dose-convergence study. A total of 15 patients were enrolled. SBRT was performed with 60 Gy in 5 fractions (fr.) prescribed to the 60% isodose line of maximum dos...

journal_title：Journal of radiation research

authors： Takeda A,Oku Y,Sanuki N,Eriguchi T,Aoki Y,Enomoto T,Kaneko T,Nishimura S,Kunieda E

更新日期：2014-09-01 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：: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：:Direct irradiation may cause malfunctioning of cardiac implantable electronic devices (CIEDs). Therefore, a treatment plan that does not involve direct irradiation of CIEDs should be formulated. However, CIEDs may be directly exposed to radiation because of the sudden intrafractional movement of the patient. The proba...

journal_title：Journal of radiation research

authors： Nakamura K,Aoyama T,Kaneda N,Otsuji M,Minami Y,Sakuragi A,Nakamura M

更新日期：2020-05-22 00:00:00

abstract：:We examined the use of the mouse Pc-3 ESTR (expanded simple tandem repeat) locus and 72 human microsatellite loci as potentially sensitive biomarkers for mutagenic exposures to germ cells in mice and humans respectively. In the mouse work, we treated male mice with TCDD (2, 3, 7, 8-tetrachlorodibenzo-p-dioxin; a chemi...

journal_title：Journal of radiation research

authors： Ryo H,Nakajima H,Nomura T

更新日期：2006-01-01 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：:The multifraction regimens commonly used in conventional clinical radiotherapy are largely based on radiobiological experiments. However, no experimental reports on skin reactions focusing on inter-strain differences have displayed clinical relevance to the fractionated dose schedule. In this study, mice of inbred str...

journal_title：Journal of radiation research

authors： Ohta T,Iwakawa M,Oohira C,Noda S,Minfu Y,Goto M,Tanaka H,Harada Y,Imai T

更新日期：2004-12-01 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：:X-ray induced formation of micronuclei is generally thought to result from DNA double-strand breaks (DSBs). However, DNA DSBs inhibit the cell cycle progression that is required for micronucleus formation. In order to reconcile this apparent discrepancy, we investigated whether DNA DSBs induced during the G1 phase cou...

journal_title：Journal of radiation research

authors： Okada T,Kashino G,Nishiura H,Tano K,Watanabe M

更新日期：2012-01-01 00:00:00

abstract：:The aim of this study is to evaluate the potential radioprotective effects of N-acetylcysteine (NAC) against genotoxicity and cytotoxicity. The effect of WR-2721, as a representative of clinically used radioprotector, was compared with that of NAC, using the chromosomal aberration (CA) and micronucleus (MN) test syste...

journal_title：Journal of radiation research

authors： Demirel C,Kilçiksiz S,Ay OI,Gürgül S,Ay ME,Erdal N

更新日期：2009-01-01 00:00:00

abstract：:Efficacy of different schedules of HDR brachytherapy in concurrent chemoradiotherapy was evaluated. The study compared the effectiveness of the two HDR brachytherapy schedules which have the same Biological Effective Dose (BED) in locally advanced cervical carcinoma that was treated with concurrent chemoradiotherapy. ...

journal_title：Journal of radiation research

authors： Tharavichitkul E,Klunkin P,Lorvidhaya V,Sukthomya V,Chakrabhandu S,Pukanhaphan N,Chitapanarux I,Galalae R

更新日期：2012-01-01 00:00:00