The effect of the radioprotector WR-2721 and WR-1065 on mitochondrial lipid peroxidation.

abstract：PURPOSE:The effect of extremely low frequency electromagnetic fields (ELF-EMF) on bacteria has attracted attention due to its potential for beneficial uses. This research aimed to determine the effect of ELF-EMF on bacterial membrane namely the membrane potential, surface potential, hydrophobicity, respiratory activity...

journal_title：International journal of radiation biology

authors： Oncul S,Cuce EM,Aksu B,Inhan Garip A

更新日期：2016-01-01 00:00:00

abstract：PURPOSE:Static magnetic field (SMF) exposure was shown experimentally to beneficially affect the healing process. The aim of this randomized, controlled trial was to evaluate the pain-inhibitory effect of local exposure to SMF on temporomandibular disorders, on alveolitis and on aphta in the oral mucosa. MATERIALS AND...

journal_title：International journal of radiation biology

authors： László JF,Farkas P,Reiczigel J,Vágó P

更新日期：2012-05-01 00:00:00

abstract：:The relationship between cellular radiosensitivity and normal-tissue response to radiotherapy in individual cancer patients has attracted increasing attention over the last few years. Recent work has suggested that a correlation exists between fibroblast sensitivity and normal-tissue reactions. We have examined the ra...

journal_title：International journal of radiation biology

authors： Burnet NG,Wurm R,Peacock JH

更新日期：1996-09-01 00:00:00

abstract：:The dose-rate effect has been the topic of extensive radiobiological studies and has important implications in radiation therapy and in the field of radiation protection. Three examples will be discussed: two in radiation therapy and one in protection. First, continuous low dose-rate interstitial brachytherapy may be ...

journal_title：International journal of radiation biology

authors： Hall EJ

更新日期：1991-03-01 00:00:00

abstract：PURPOSE:To investigate the possible role of cell cycle arrest in the radiosensitization of mouse spermatogonial stem cells due to small conditioning X-ray exposures. MATERIALS AND METHODS:A 24 h fractionation interval between conditioning (1 Gy) and challenging (8 or 9 Gy) exposures was used. Two approaches were follo...

journal_title：International journal of radiation biology

authors： Van Buul PP,Van Duyn-Goedhart A,Beumer T,Bootsma AL

更新日期：2001-03-01 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：PURPOSE:To determine whether chromosomal instability is induced in human diploid fibroblasts by ionizing radiation and to investigate the effects of radiation quality by comparing X-rays, neutrons and alpha-particles. MATERIALS AND METHODS:Cells from two human diploid fibroblast lines, HF12 and HF19, were irradiated a...

journal_title：International journal of radiation biology

authors： Kadhim MA,Marsden SJ,Wright EG

更新日期：1998-02-01 00:00:00

abstract：:Cell death induced by various radiation doses in Molt-4 and L5178Y cells was studied. Molt-4 cells have a low threshold for induction of interphase death while L5178Y cells have a high threshold. Interphase death in Molt-4 cells at doses > 100 Gy and in L5178Y cells at doses > 300 Gy showed typical necrosis. In contra...

journal_title：International journal of radiation biology

authors： Akagi Y,Ito K,Sawada S

更新日期：1993-07-01 00:00:00

abstract：PURPOSE:To investigate the action of ultra-low dose beta-radiation (ULDBR) on isolated segments of blood vessels. MATERIALS AND METHODS:We used the pharmacological model of isolated rabbit carotid arteries with intact or mechanically removed endothelium. Specific vascular responses to beta-irradiation were registered ...

journal_title：International journal of radiation biology

authors： Zhirnov VV,Iakovenko IN

更新日期：2005-11-01 00:00:00

abstract：PURPOSE:To investigate the role of tumour versus non-tumour factors in the specific response to serotonin (5-HT) of tumour-feeding arterioles (TFA). MATERIALS AND METHODS:Using mouse models of intra-vital microscopy, the response to topical administration of 5-HT was studied in arterioles feeding tumours: fibrosarcoma...

journal_title：International journal of radiation biology

authors： Laemmel E,Stücker O,Darmon PL,Vicaut E

更新日期：1998-09-01 00:00:00

abstract：PURPOSE:A key enzyme of polyamine catabolism, spermidine/spermine N(1)-acetyltransferase (SSAT), is responsive to antiproliferative agents. The role of SSAT in cellular responses to X-ray irradiation was examined. MATERIALS AND METHODS:Exponentially growing HeLa S3 cells were irradiated by X-rays, and mRNA levels for ...

journal_title：International journal of radiation biology

authors： Mita K,Fukuchi K,Hamana K,Ichimura S,Nenoi M

更新日期：2004-05-01 00:00:00

abstract：:Experimental data for acute radiation-induced skin reactions are reviewed. These show that for dose fractionation schedules with gaps, repopulation is initiated after a lag period. After this lag period, the isoeffective dose for a given level of skin reaction first increases rapidly, but then slows. The timing of the...

journal_title：International journal of radiation biology

authors： Hopewell JW,Nyman J,Turesson I

更新日期：2003-07-01 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：:Reasonable expectations, based on the normal physiology of the human fetus, cast new light on the possibilities of extrapolation from the finding of severe mental retardation (SMR) in Japanese bomb survivors after maternal exposure to 1.8-5.5 Gy T65DR Gy. After such large exposures the fetal haematopoietic tissues (DS...

journal_title：International journal of radiation biology

authors： Mole RH

更新日期：1990-10-01 00:00:00

abstract：:The role of protein kinase C in radiation-induced death of thymocytes was studied. For this purpose murine thymocytes were irradiated and incubated for 6 h at 37 degrees C and afterwards the fraction of fragmented DNA was measured. Results indicate that radiation-induced DNA fragmentation can be prevented by adding th...

journal_title：International journal of radiation biology

authors： Ojeda F,Guarda MI,Maldonado C,Folch H,Diehl H

更新日期：1992-05-01 00:00:00

abstract：PURPOSE:To give a state-of-the-art overview on the promise of three-dimensional (3-D) culture systems for anticancer drug development, with particular emphasis on multicellular tumor spheroids (MCTS). RESULTS AND CONCLUSIONS:Cell-based assays have become an integral component in many stages of routine anti-tumor drug ...

journal_title：International journal of radiation biology

authors： Friedrich J,Ebner R,Kunz-Schughart LA

更新日期：2007-11-01 00:00:00

abstract：:In a series of studies to investigate activation energies and thermal enhancements of various chemotherapeutic agents the effect of 5-fluoruracil (5FU), an antimetabolite, on murine tumour cells was studied at elevated temperatures. Animal tumours were early generation isotransplants of a spontaneous fibrosarcoma, FSa...

journal_title：International journal of radiation biology

authors： Urano M,Kahn J,Reynolds R

更新日期：1991-01-01 00:00:00

abstract：PURPOSE:The extreme radiotoxicity of Auger electrons and their exquisite capacity to irradiate specific molecular sites has prompted scientists to extensively investigate their radiobiological effects. Their efforts have been punctuated by quadrennial international symposia that have focused on biophysical aspects of A...

journal_title：International journal of radiation biology

authors： Howell RW

更新日期：2008-12-01 00:00:00

abstract：:The radiation response of 15 mammalian cell lines comprising 11 human tumour, two human fibroblast and two murine lymphoma cell lines, has been analysed using the linear-quadratic equation. As well as using conventional analysis of acute dose-survival curves to derive values for alpha and beta (termed alpha ac and bet...

journal_title：International journal of radiation biology

authors： Peacock JH,Eady JJ,Edwards SM,McMillan TJ,Steel GG

更新日期：1992-04-01 00:00:00

abstract：PURPOSE:To evaluate and optimize the radioprotective ability of the most potent fraction of an aqueous extract of Coronopus didymus in whole body gamma-irradiated Swiss albino mice and to evaluate the antioxidant status and lipid peroxidation of the livers of the surviving mice. To correlate the free radical scavenging...

journal_title：International journal of radiation biology

authors： Prabhakar KR,Veerapur VP,Parihar KV,Priyadarsini KI,Rao BS,Unnikrishnan MK

更新日期：2006-08-01 00:00:00

abstract：PURPOSE:To understand the mechanisms of life-shortening due to early neoplastic death caused by chronic low dose-rate (LDR; 20 mGy/22 h/day) radiation which accumulates to a high dose (HD; 8 Gy) (LDR/HD) as reported previously. MATERIALS AND METHODS:Female B6C3F(1) mice were continuously exposed to LDR/HD gamma-rays u...

journal_title：International journal of radiation biology

authors： Takai D,Todate A,Yanai T,Ichinohe K,Oghiso Y

更新日期：2011-07-01 00:00:00

abstract：PURPOSE:To investigate the consequence of continuous low dose-rate exposure to gamma-rays on ornithine decarboxylase (ODC EC 4.1.1.17) activity in organs of rat. MATERIALS AND METHODS:Young male Wistar rats were irradiated at 1.1, 2.1 and 12.9 cGy/day in the dose ranges of 9-165, 17-315 and 100-2000 cGy, respectively,...

journal_title：International journal of radiation biology

authors： Slozhenikina LV,Fialkovskaya LA,Kolomiytseva IK

更新日期：1999-02-01 00:00:00

abstract：PURPOSE:To assess changes in mitochondrial morphology and mitophagy induced by simulated sunlight irradiation (SSI) and how these changes are modulated by mitochondrial activity and energy source. MATERIALS AND METHODS:Human malignant amelanotic melanoma A375 cells were pre-treated with either a mitochondrial activity...

journal_title：International journal of radiation biology

authors： Zanchetta LM,Garcia A,Lyng F,Walsh J,Murphy JE

更新日期：2011-05-01 00:00:00

abstract：:Radiation-induced DNA double-strand breaks (dsb) were studied in Ehrlich ascites tumour cells (EATC) by sedimentation in neutral sucrose gradients at low centrifuge speed. Dsb induction was found to be linear with dose with a frequency of: ndsbmr-1D-1 = (11.7 +/- 2) x 10(-12)Gy-1 for 140 kV X-rays and ndsbmr-1D-1 = (1...

journal_title：International journal of radiation biology

authors： Blöcher D

更新日期：1988-11-01 00:00:00

abstract：:Genetic analysis was performed on 72 Italian A-T families ascertained through 91 probands. The frequency of the A-T gene was estimated through Dahlberg's formula, which uses the frequencies of first cousin marriages among the patients' parents and in the general population were obtained from the collection of Catholic...

journal_title：International journal of radiation biology

authors： Chessa L,Lisa A,Fiorani O,Zei G

更新日期：1994-12-01 00:00:00

abstract：PURPOSE:The increased bioactivity 'windows' of GSM 900 and 1800 MHz radiations, (Global System for Mobile telecommunications) revealed recently by us and published in this issue, manifesting themselves as a maximum decrease in the reproductive capacity of the insect Drosophila melanogaster, were examined to discover wh...

journal_title：International journal of radiation biology

authors： Panagopoulos DJ,Margaritis LH

更新日期：2010-05-01 00:00:00

abstract：PURPOSE:The fluorescent in situ hybridization (FISH) technique, which easily detects reciprocal translocations, is currently used to estimate doses in retrospective biological dosimetry, after suspected accidental overexposure to ionizing radiation (IR). This study of 42 cases aimed to verify the appropriateness of thi...

journal_title：International journal of radiation biology

authors： Grégoire E,Roy L,Buard V,Delbos M,Durand V,Martin-Bodiot C,Voisin P,Sorokine-Durm I,Vaurijoux A,Voisin P,Baldeyron C,Barquinero JF

更新日期：2018-03-01 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：:The existence of a correlation between experimental probabilities of cell inactivation by charged particles and calculated probabilities for K-vacancy production in heavy atoms (C, N, O, P) of the DNA of cell nuclei is established. Both phenomena display a similar dependence upon the linear energy transfer (LET) of in...

journal_title：International journal of radiation biology

authors： Chetioui A,Despiney I,Guiraud L,Adoui L,Sabatier L,Dutrillaux B

更新日期：1994-05-01 00:00:00

abstract：:Radiation-induced myocardial degeneration in the rat is preceded by changes in capillary structure and function, which may be a major factor in the pathogenesis of radiation-induced heart disease. In order to investigate the mechanism of capillary damage we studied endothelial cell proliferation in untreated control r...

journal_title：International journal of radiation biology

authors： Lauk S,Trott KR

更新日期：1990-05-01 00:00:00