A 700 MHz 1H-NMR study reveals apoptosis-like behavior in human K562 erythroleukemic cells exposed to a 50 Hz sinusoidal magnetic field.

abstract：PURPOSE:To test whether radiolysis-induced fragmentation in frozen aqueous protein solution is dependent on solvent access to the surface of the protein or to the molecular mass of the polypeptide chain. MATERIALS AND METHODS:60Co gamma-irradiation of three proteins at -78 degrees C: lysozyme, citrate synthase and alp...

journal_title：International journal of radiation biology

authors： Audette M,Chen X,Houée-Levin C,Potier M,Le Maire M

更新日期：2000-05-01 00:00:00

abstract：PURPOSE:Human diseases associated with acute radiation responses are rare genetic disorders with common clinical and biological features including radiosensitivity, genomic instability, chromosomal aberrations, and frequently immunodeficiency. To determine what molecular assays are predictive of cellular radiosensitivi...

journal_title：International journal of radiation biology

authors： Joubert A,Zimmerman KM,Bencokova Z,Gastaldo J,Chavaudra N,Favaudon V,Arlett CF,Foray N

更新日期：2008-02-01 00:00:00

abstract：:The rate of recovery from radiation damage, as a function of dose per fraction, was investigated in mouse skin. Two different experimental designs were used, both incorporating the neutron top-up technique which enables the X-ray dose per fraction to be kept constant whilst changing the interfraction interval. Either ...

journal_title：International journal of radiation biology

authors： Rojas A,Joiner MC,Johns H

更新日期：1991-02-01 00:00:00

abstract：:The accumulation and repair of radiation-induced DNA double-strand breaks (dsbs) were determined by neutral filter elution on 20 primary cultures obtained from ovarian cancer and malignant melanoma clinical specimens. The initial frequency of DNA dsbs after exposure to 50 Gy gamma-irradiation varied greatly for the in...

journal_title：International journal of radiation biology

authors： Zaffaroni N,Orlandi L,Villa R,Bearzatto A,Rofstad EK,Silvestrini R

更新日期：1994-09-01 00:00:00

abstract：PURPOSE:The long-term effect of low and moderate doses of ionizing radiation on the lens is still a matter of debate and needs to be evaluated in more detail. MATERIAL AND METHODS:We conducted a detailed histological analysis of eyes from B6C3F1 mice cohorts after acute gamma irradiation (60Co source; 0.063 Gy/min) at...

journal_title：International journal of radiation biology

authors： Kunze S,Cecil A,Prehn C,Möller G,Ohlmann A,Wildner G,Thurau S,Unger K,Rößler U,Hölter SM,Tapio S,Wagner F,Beyerlein A,Theis F,Zitzelsberger H,Kulka U,Adamski J,Graw J,Dalke C

更新日期：2021-01-19 00:00:00

abstract：:Nitrous oxide reacts during irradiation to increase the yield of .OH, a radical many believe to be a major cause of lethality. Logically, one would expect N2O to be a radiation sensitizer. In some instances it is, while in others it is not. In some cases we can explain why N2O fails to sensitize; factors such as dose ...

journal_title：International journal of radiation biology

authors： Ewing D,Walton HL,Guilfoil DS,Ohm MB

更新日期：1991-03-01 00:00:00

abstract：PURPOSE:We computed probabilities to have multiple double-strand breaks (DSB), which are produced in DNA on a regional scale, and not in close vicinity, in volumes matching the size of DNA damage foci, of a large chromatin loop, and in the physical volume of DNA containing the HPRT (human hypoxanthine phosphoribosyltra...

journal_title：International journal of radiation biology

authors： Ponomarev AL,Costes SV,Cucinotta FA

更新日期：2008-11-01 00:00:00

abstract：PURPOSE:Since the exact development of posterior subcapsular cataracts (PSCs) is poorly understood, we review various risk factors and propose a two-stage etiology for PSCs. METHODS:The biological mechanisms associated with age-related cataracts (primarily nuclear cataracts, cortical cataracts and PSCs) were reviewed ...

journal_title：International journal of radiation biology

authors： Richardson RB,Ainsbury EA,Prescott CR,Lovicu FJ

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:A model that identifies radiation-induced genetic instability as the earliest cellular event in the multi-step sequence leading to radiation-induced cancer was previously proposed. In this paper ongoing experiments are discussed which are designed to test this model and its predictions in mouse mammary epitheli...

journal_title：International journal of radiation biology

authors： Ullrich RL,Ponnaiya B

更新日期：1998-12-01 00:00:00

abstract：:Purpose: Cancer is one of the most common causes of mortality and morbidity worldwide. Vaccines have been emerged as an attractive approach for their capacity of eliciting long-term immune response targeting cancer cells. Attenuated avirulent Toxoplasma gondii stimulate immunity and activate antitumor cells thereby el...

journal_title：International journal of radiation biology

authors： Hafez EN,Youssef HMG,El-Kabany HA

更新日期：2020-06-01 00:00:00

abstract：PURPOSE:Recently, it was found that MK615 possessed an anti-proliferative ability on treated cancer cells as a consequence of triterpenoid compounds. It is well known that radiation affects cellular-mediated immunity in cancer patients who are treated with radiotherapy. Similarly, the ability of triterpenoid compounds ...

journal_title：International journal of radiation biology

authors： Al-Jahdari WS,Sakurai H,Yoshida Y,Mobaraki A,Suzuki Y,Nakano T

更新日期：2011-01-01 00:00:00

abstract：PURPOSE:Conditionally Replicative Adenovirus (CRAd) has been previously demonstrated to augment the activity of radiation, resulting in synergy of cell kill. However, previous models combining radiation with CRAd have not focused on the methods of radiation delivery. MATERIALS AND METHODS:We model the combination of a...

journal_title：International journal of radiation biology

authors： Liu C,Zhang Y,Liu MM,Zhou H,Chowdhury W,Lupold SE,Deweese TL,Rodriguez R

更新日期：2010-03-01 00:00:00

abstract：:Sample preparation procedures for the pulsed-field gel electrophoresis (PFGE) assay usually involve a lysis step at temperatures as high as 50 degrees C. During this warm-lysis procedure, multiply damaged sites containing heat-labile sites (HLS) can be converted into double-strand breaks (DSB). Once formed, these DSB ...

journal_title：International journal of radiation biology

authors： Ratnayake RK,Semenenko VA,Stewart RD

更新日期：2005-06-01 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:Gene therapy combined with radiation has shown promising potential for the treatment of tumors. This paper aimed to clarify the synergistic effect of radiotherapy combined with the bladder cancer tissue-specific oncolytic adenovirus (Ad-PSCAE-UPII-E1A) on bladder cancer cells and to study the underlying synergy...

journal_title：International journal of radiation biology

authors： Zhang H,Wang F,Mao C,Zhang Z,Fu S,Lu J,Zhai Z,Li R,Li S,Rodriguez R,Wang Z

更新日期：2017-02-01 00:00:00

abstract：PURPOSE:The deleterious processes triggered by heavy ions on DNA were studied through the determination of the yield of a series of oxidized bases. Emphasis was placed on the estimation of the respective contribution of direct ionization and indirect effects, mostly by comparison with low linear energy transfer (LET) g...

journal_title：International journal of radiation biology

authors： Douki T,Ravanat JL,Pouget JP,Testard I,Cadet J

更新日期：2006-02-01 00:00:00

abstract：PURPOSE:The tandemly repeated hexamers (TTAGGG)n present at the telomeric ends protect the human genome from a variety of environmental exposures including ionizing radiation. In order to find out the effect of chronic low dose radiation exposure, we have determined telomere length among newborns from high level natura...

journal_title：International journal of radiation biology

authors： Das B,Saini D,Seshadri M

更新日期：2012-09-01 00:00:00

abstract：PURPOSE:The need to determine a reliable relative biological effectiveness (RBE) value for alpha exposures has become important as reports remain controversial. Although a radiation-weighting factor of 20 has been designated for alpha particles, uncertainty exists on realistic value of the RBE of alpha radiation. The a...

journal_title：International journal of radiation biology

authors： Meenakshi C,Mohankumar MN

更新日期：2015-08-01 00:00:00

abstract：PURPOSE:To develop a procedure, using the inverse polymerase chain reaction, to detect and sequence ionizing radiation-induced DNA rearrangements without prior phenotypic selection of mutant cells. METHOD:Normal human fibroblast cells (IMR-90) were given 30Gy of gamma-irradiation and then incubated at 37 degrees C for...

journal_title：International journal of radiation biology

authors： Forrester HB,Radford IR

更新日期：1998-07-01 00:00:00

abstract：PURPOSE:Epidemiological studies have demonstrated a possible correlation between exposure to extremely low-frequency magnetic fields (ELF-MF) and cancer. However, this correlation has yet to be definitively confirmed by epidemiological studies. The principal objective of this study was to assess the effects of 60 Hz ma...

journal_title：International journal of radiation biology

authors： Jin YB,Kang GY,Lee JS,Choi JI,Lee JW,Hong SC,Myung SH,Lee YS

更新日期：2012-04-01 00:00:00

abstract：PURPOSE:To determine the increases in SSB and DSB yields after post gamma-irradiation incubation of plasmid DNA with the Escherichia coli base excision repair endonucleases formamidopyrimidine-DNA N-glycosylase (FPG) and endonuclease III (endo III). MATERIALS AND METHODS:Aqueous solutions of plasmid DNA were irradiate...

journal_title：International journal of radiation biology

authors： Milligan JR,Aguilera JA,Nguyen TT,Paglinawan RA,Ward JF

更新日期：2000-11-01 00:00:00

abstract：:Most estimates of the radiation dose lethal to 50 per cent of a human population are based on historical data taken from well-known experiences reflecting inadequately known physical and biological conditions, or from medical procedures where individual patients received advantages of modern clinical care. It has been...

journal_title：International journal of radiation biology

authors： Morris MD,Jones TD

更新日期：1989-03-01 00:00:00

abstract：:A comparison has been made of the in vitro light-activated drug cytotoxicities of two different porphyrin compounds, Photofrin II and TPPS4. An early passage human colon adenocarcinoma cell line, WiDr, has been exposed to either drug for 24 h, the excess drug washed from the cells and the cells irradiated with light u...

journal_title：International journal of radiation biology

authors： West CM,Moore JV

更新日期：1988-10-01 00:00:00

abstract：PURPOSE:To develop and validate non-fluorescent chromosome painting for bright-field microscopy using the peroxidase/diaminobenzidine (DAB) reaction. MATERIALS AND METHODS:Peripheral blood lymphocytes were taken from patients with uterine cancer who had received heavy-ion radiation therapy. Chromosome slides were trea...

journal_title：International journal of radiation biology

authors： Kanda R,Suzuki M,Minamihisamatsu M,Furukawa A,Odaka T,Hayata I

更新日期：1998-05-01 00:00:00

abstract：:One of the important temporal stages of radiation action in cellular systems is the chemical phase, where oxygen fixation reactions compete with chemical repair reactions involving reducing agents such as GSH. Using the gas explosion technique it is possible to follow the kinetics of these fast (greater than 1 ms) rea...

journal_title：International journal of radiation biology

authors： Prise KM,Davies S,Michael BD

更新日期：1992-06-01 00:00:00

abstract：PURPOSE:Estimating the absorbed dose to tumour relative to normal tissues has often been used in the assessment of the therapeutic efficacy of radiolabelled antibodies for radioimmunotherapy. Typically, the calculations assume a uniform dose deposition and response throughout the tumour. However, the heterogeneity of t...

journal_title：International journal of radiation biology

authors： Flynn AA,Pedley RB,Green AJ,Boxer GM,Boden R,Bhatia J,Morris R,Begent RH

更新日期：2002-05-01 00:00:00

abstract：PURPOSE:Up to 90% of hereditary breast cancer cases are linked to germ-line mutations in one of the two copies of the BRCA1 or BRCA2 genes. Brca1 and Brca2 proteins are both involved in the cellular defence against DNA damage, although the precise function of the proteins is still not known. Some studies on a small num...

journal_title：International journal of radiation biology

authors： Nieuwenhuis B,Van Assen-Bolt AJ,Van Waarde-Verhagen MA,Sijmons RH,Van der Hout AH,Bauch T,Streffer C,Kampinga HH

更新日期：2002-04-01 00:00:00

abstract：:Sister chromatid exchanges (SCEs) were analysed in lymphocytes from 12 control persons and 33 Chernobyl clean-up workers. The group of Chernobyl clean-up workers consisted of civilians who were forced to go to Chernobyl to clean up environmental contamination caused by Chernobyl disaster. On average, they received 0.1...

journal_title：International journal of radiation biology

authors： Lazutka JR,Dedonyte V

更新日期：1995-06-01 00:00:00

abstract：PURPOSE:The exploration of immune mechanisms of the tumour-inhibitory effect of exposures to low-level fractions of X-rays. MATERIALS AND METHODS:BALB/c mice were exposed to whole-body daily irradiations with 0.01, 0.02, or 0.1 Gy X-rays per day for 5 days/week for two weeks. Then, mice were intravenously injected wit...

journal_title：International journal of radiation biology

authors： Nowosielska EM,Cheda A,Wrembel-Wargocka J,Janiak MK

更新日期：2011-02-01 00:00:00

abstract：PURPOSE:To evaluate the radioprotective activity of C3, a regioisomer of water-soluble carboxyfullerene and a potent free radical scavenger, on both normal and tumour cells. MATERIALS AND METHODS:The murine committed bone-marrow stem cells for both granulocytes and monocytes (GM-CFC) were used to represent normal cell...

journal_title：International journal of radiation biology

authors： Lin HS,Lin TS,Lai RS,D'Rosario T,Luh TY

更新日期：2001-02-01 00:00:00