Design and characterization of an economical (192)Ir hemi-brain small animal irradiator.

abstract：PURPOSE:To calculate survival of human haemopoietic stem cells irradiated by alpha particles from 149Tb (initial energy 3.97 MeV) and 211At (average initial energy 6.87 MeV). METHODS:Following as closely as possible radiobiological data, Monte Carlo methods were used to calculate passages of alpha particles (originati...

journal_title：International journal of radiation biology

authors： Charlton DE,Utteridge TD,Allen BJ

更新日期：1998-07-01 00:00:00

abstract：:Purpose: To study the response of neuronal-like cells to an applied static or low-frequency magnetic field. Materials and methods: Fourier Transform Infrared (FTIR) Spectroscopy was used to investigate the overall behavior of SH-SY5Y neuronal-like cells exposed to a static or 50 Hz magnetic fields at intensities up to...

journal_title：International journal of radiation biology

authors： Calabrò E,Magazù S

更新日期：2019-06-01 00:00:00

abstract：PURPOSE:This study was undertaken to understand the roles of RecA and RecF proteins in strand break rejoining and maintenance of fidelity of the process following exposure of E. coli to gamma-radiation in vivo. MATERIALS AND METHODS:A plasmid DNA construct, pMTa4, was transformed into isogenic repair proficient (wild)...

journal_title：International journal of radiation biology

authors： Sharan RN,Ryo H,Nomura T

更新日期：2007-02-01 00:00:00

abstract：PURPOSE:To investigate whether an adaptive response can be induced in mice which were pre-exposed to 900 MHz radiofrequency fields. MATERIALS AND METHODS:Adult male Kunming mice were exposed to 900 MHz radiofrequency fields (RF) at power intensities of 12, 120 and 1200 μW/cm(2) for 1 h/day for 14 days and then subject...

journal_title：International journal of radiation biology

authors： Cao Y,Xu Q,Jin ZD,Zhou Z,Nie JH,Tong J

更新日期：2011-07-01 00:00:00

abstract：PURPOSE:Previous work from the authors' group and others has demonstrated that some of the effects of UV irradiation on gene expression are modulated in response to the addition of salicylic acid to irradiated cells. The presumed effector molecule responsible for this modulation is NF-kappaB. In the experiments describ...

journal_title：International journal of radiation biology

authors： Paunesku T,Chang-Liu CM,Shearin-Jones P,Watson C,Milton J,Oryhon J,Salbego D,Milosavljevic A,Woloschak GE

更新日期：2000-02-01 00:00:00

abstract：:Human ovarian carcinoma parental and cisplatin-resistant cells were evaluated for their radiation sensitivity to high and low dose-rate irradiation and for the effectiveness of cisplatin in radiosensitization. The cisplatin resistant variant A2780cp showed increased radiation resistance for both low dose-rate (LDRI) a...

journal_title：International journal of radiation biology

authors： Raaphorst GP,Wang G,Stewart D,Ng CE

更新日期：1996-05-01 00:00:00

abstract：PURPOSE:To develop a reproducible single-cell gel electrophoresis assay for DNA damage and repair in buccal mucosa and sublingual exfoliated cells. MATERIALS AND METHODS:Buccal mucosa and sublingual cells and lymphocytes from six individuals (three males, three females, aged 34-45 years) were challenged with increasin...

journal_title：International journal of radiation biology

authors： Dhillon VS,Thomas P,Fenech M

更新日期：2004-07-01 00:00:00

abstract：PURPOSE:Melanoma is mainly treated by surgery and rarely with radiation because of the high radioresistance of this tumor. Nevertheless, radiotherapy is the preferred treatment modality for unresectable lesions and avoiding cosmetic disfigurement caused by surgical excision. This study investigated the therapeutic adva...

journal_title：International journal of radiation biology

authors： Kim SR,Kim EH

更新日期：2017-05-01 00:00:00

abstract：PURPOSE:To investigate and compare the propensity of Epstein-Barr virus (EBV)-transformed lymphoblastoid cell lines (LCL) obtained from unaffected healthy individuals and ataxia telangectasia (A-T) patients to undergo apoptosis after X-ray exposure. MATERIAL AND METHODS:The LCL were exposed to 1-4 Gy X-rays at a dose-...

journal_title：International journal of radiation biology

authors： Meijer AE,Zhivotovsky B,Lewensohn R

更新日期：1999-06-01 00:00:00

abstract：PURPOSE:To resolve the difficulty in counting merged DNA damage foci in high-LET (linear energy transfer) ion-induced patterns. MATERIALS AND METHODS:The analysis of patterns of RIF (radiation-induced foci) produced by high-LET Fe and Ti ions were conducted by using a Monte Carlo model that combines the heavy ion trac...

journal_title：International journal of radiation biology

authors： Ponomarev AL,Huff J,Cucinotta FA

更新日期：2010-06-01 00:00:00

abstract：:We characterized in vitro the effects of gamma-radiation (12.5-100 cGy) on pulmonary microvascular endothelial cell (PMEC) morphology and F-actin organization. Cellular retraction was documented by phase-contrast microscopy and the organization of actin microfilaments was determined by immunofluorescence. Characteriza...

journal_title：International journal of radiation biology

authors： Kantak SS,Diglio CA,Onoda JM

更新日期：1993-09-01 00:00:00

abstract：PURPOSE:To estimate gamma-ray doses received by Hiroshima atomic bomb survivors using electron spin resonance (ESR) of tooth enamel and to compare the results with cytogenetic data. MATERIALS AND METHODS:Tooth enamel ESR was performed for 100 teeth donated from 69 Hiroshima survivors, and conventional cytogenetic exam...

journal_title：International journal of radiation biology

authors： Nakamura N,Miyazawa C,Sawada S,Akiyama M,Awa AA

更新日期：1998-06-01 00:00:00

abstract：:The effects of a low dose (0.1-20 mGy) preirradiation with X-rays followed by a higher dose (2 Gy) of the same radiation on the recovery of the genetic damage induced as dominant lethals in mature oocytes (stage 14) of different strains of Drosophila melanogaster were investigated. The response was shown to be depende...

journal_title：International journal of radiation biology

authors： Schäppi-Büchi C

更新日期：1994-04-01 00:00:00

abstract：PURPOSE:The impact of the damage distribution to cellular survival and chromosomal aberrations following high Linear Energy Transfer (LET) radiation was investigated. MATERIALS AND METHODS:High LET iron-ions (500 MeV/n, LET 200 keV/μm) were delivered to G1-phase synchronized Chinese Hamster Ovary (CHO) cells located a...

journal_title：International journal of radiation biology

authors： Fujii Y,Yurkon CR,Maeda J,Genet SC,Okayasu R,Kitamura H,Fujimori A,Kato TA

更新日期：2013-06-01 00:00:00

abstract：PURPOSE:To determine whether cigarette smoke condensate (CSC) without metabolic activation induces direct DNA double strand breaks (DSB) in the G1 phase of various radiosensitive mutants of CHO cells and whether these breaks display collateral hypersensitivity to CSC with respect to cell killing. MATERIALS & METHODS:W...

journal_title：International journal of radiation biology

authors： Kato T,Nagasawa H,Warner C,Okayasu R,Bedford JS

更新日期：2007-09-01 00:00:00

abstract：PURPOSE:Ionizing radiation has been recognized to increase the risk of cardiovascular diseases (CVD). However, there is no consensus concerning the dose-risk relationship for low radiation doses and a mechanistic understanding of low dose effects is needed. MATERIAL AND METHODS:Previously, human umbilical vein endothe...

journal_title：International journal of radiation biology

authors： Rombouts C,Aerts A,Quintens R,Baselet B,El-Saghire H,Harms-Ringdahl M,Haghdoost S,Janssen A,Michaux A,Yentrapalli R,Benotmane MA,Van Oostveldt P,Baatout S

更新日期：2014-07-01 00:00:00

abstract：:The relationship between ionizing radiation-induced cell killing and DNA damage measured by the micronucleus and apoptosis assays was determined in three established cell lines (L929, HL-60, and Chang). Irradiation experiments revealed a dose-dependent increase of micronucleated cells until a certain dose was reached....

journal_title：International journal of radiation biology

authors： Abend M,Rhein A,Gilbertz KP,Blakely WF,Van Beuningen D

更新日期：1995-03-01 00:00:00

abstract：PURPOSE:A meta-analysis was conducted to obtain a 'quantitative' estimate of the extent of genetic damage in mammalian somatic cells exposed to non-ionizing radiation emitted from extremely low frequency electro-magnetic fields (ELF-EMF) and to compare with that in unexposed control cells. METHODS:The methods used for...

journal_title：International journal of radiation biology

authors： Vijayalaxmi,Prihoda TJ

更新日期：2009-03-01 00:00:00

abstract：PURPOSE:To investigate whether pre- and post-drug magnetic field (MF) exposure of 50 Hz, 0.2 mT has any significant effect on pentylenetetrazol (PTZ)-induced seizures in mice. MATERIAL AND METHODS:MF was generated by a pair of Helmholtz coils. Seizures were induced by PTZ injection intraperitoneally (i.p.) at a dose o...

journal_title：International journal of radiation biology

authors： Canseven AG,Keskil ZA,Keskil S,Seyhan N

更新日期：2007-04-01 00:00:00

abstract：PURPOSE:The aim is to assess the change with age and disease of the oxygen concentration within the coronary artery walls. MATERIALS AND METHODS:In an accompanying paper, Part A, the age-dependent morphology and composition for the wall layers of normal and diseased coronary arteries were developed from published data...

journal_title：International journal of radiation biology

authors： Richardson RB

更新日期：2008-10-01 00:00:00

abstract：PURPOSE:The aim was to evaluate the utility of multiple blood-protein biomarkers for early-response assessment of radiation exposure using a murine radiation model system. MATERIAL AND METHODS:BALB/c male mice (8-10 weeks old) were exposed to whole-body 60Co gamma-rays (10 cGy min(-1)) over a broad dose range (0-7 Gy)...

journal_title：International journal of radiation biology

authors： Ossetrova NI,Blakely WF

更新日期：2009-01-01 00:00:00

abstract：PURPOSE:Ionizing radiation causes various types of DNA damage e.g. single strand breaks (SSB) and double strand breaks (DSB), whereby the SSB/DSB ratio is shifted toward the DSB with increasing LET. For the DNA-incorporated Auger electron emitter Iodine-125 a SSB/DSB ratio of 5.4:1 is calculated based on computer simul...

journal_title：International journal of radiation biology

authors： Unverricht-Yeboah M,Holtmann K,Kriehuber R

更新日期：2020-12-03 00:00:00

abstract：BACKGROUND:High dose ionizing radiation exposure is associated with myelo-depression leading to pancytopenia and the expected clinical manifestations of acute radiation syndrome (ARS). Herein, we evaluated the efficacy of sargramostim (Leukine®, yeast-derived rhu GM-CSF), with regimens delivered at 48, 72, 96, or 120 h...

journal_title：International journal of radiation biology

authors： Zhong Y,Pouliot M,Downey AM,Mockbee C,Roychowdhury D,Wierzbicki W,Authier S

更新日期：2020-09-22 00:00:00

abstract：:We have examined the timing of gamma-irradiation-induced death in relation to cell cycle progression using a panel of mouse lymphoid or myeloid cell lines. Death was found to occur immediately after irradiation ('rapid interphase' death), or after arrest in G2 phase ('delayed interphase' death). In part II of this ser...

journal_title：International journal of radiation biology

authors： Radford IR,Murphy TK

更新日期：1994-02-01 00:00:00

abstract：PURPOSE:To compare colony-forming and comet assays on fibroblasts and lymphocytes of 32 breast cancer patients irradiated after breast-conserving operations and to correlate the results with acute clinical radiation reactions in the skin. MATERIAL AND METHODS:Skin fibroblasts were isolated and cultivated before radiot...

journal_title：International journal of radiation biology

authors： Oppitz U,Schulte S,Stopper H,Baier K,Müller M,Wulf J,Schakowski R,Flentje M

更新日期：2002-07-01 00:00:00

abstract：PURPOSE:To examine the protective effects of histamine on intestinal damage produced by gamma-radiation. MATERIALS AND METHODS:56 mice were divided into 4 groups. Histamine and Histamine-10 Gy groups received a daily subcutaneous histamine injection (0.1 mg/kg) starting 20 hours before irradiation and continued until ...

journal_title：International journal of radiation biology

authors： Medina VA,Croci M,Mohamad NA,Massari N,Garbarino G,Cricco GP,Núñez MA,Martín GA,Crescenti EJ,Bergoc RM,Rivera ES

更新日期：2007-10-01 00:00:00

abstract：PURPOSE:To investigate the ability of electromagnetic (EM) field pre-exposures to induce protection in chick embryos against subsequent ultraviolet (UV) light exposure. MATERIALS AND METHOD:Chick embryos in the 4th day of gestation were exposed for 20 minutes (short term) or 96 hours (long term) to 60 Hz, 8 microT mag...

journal_title：International journal of radiation biology

authors： Dicarlo AL,Hargis MT,Penafiel LM,Litovitz TA

更新日期：1999-12-01 00:00:00

abstract：PURPOSE:To evaluate a transcriptomic approach to identify healthy women at increased risk of breast cancer due to G2-radiosensitivity and look at transcripts that are differentially expressed between individuals. MATERIALS AND METHODS:We perform the first study to assess the association of G2 radiosensitivity with bas...

journal_title：International journal of radiation biology

authors： Sims AH,Finnon P,Miller CJ,Bouffler SD,Howell A,Scott D,Clarke RB

更新日期：2007-06-01 00:00:00

abstract：PURPOSE:The radiation-induced bystander effect (RIBE) has important implications for the efficiency of radiotherapy but the underlying role of cellular metabolism is widely unknown. The roles of synthesis of cytochrome c oxidase 2 (SCO2), a key effector for respiratory chain, and related signaling factors in α-particle...

journal_title：International journal of radiation biology

authors： Li J,He M,Shen B,Yuan D,Shao C

更新日期：2013-12-01 00:00:00

abstract：PURPOSE:Radiotherapy of cancer carries a perceived risk of inducing secondary cancer and other damage due to dose delivered to normal tissue. While expectedly small, this risk must be carefully analysed for all modalities. Especially in the use of exotic particles like pions and antiprotons, which annihilate and produc...

journal_title：International journal of radiation biology

authors： Kovacevic S,Bassler N,Hartley O,Knudsen H,Vranjes S,Garaj-Vrhovac V,Holzscheiter M

更新日期：2009-12-01 00:00:00