Literature DB >> 8310129

Effect of gamma-irradiated carbohydrates on isolated synaptic membranes.

G V Kaler1, T I Lyskova, O I Shadyro, S G Samoilenko, I P Edimecheva, S L Aksentsev, S V Konev.   

Abstract

The effect of gamma-irradiated solutions of carbohydrates, mainly glucose, upon Na+, K(+)-ATPase and lipid peroxidation in rat brain synaptosomal membranes was studied. The membrane damage by irradiated glucose was enhanced in the presence of Fe2+ and was diminished when a free-radical scavenger (BHT) or metal chelators (EDTA, EGTA) were present. It is suggested that a key element in the free-radical membrane damage by irradiated carbohydrates is an Fe(2+)-complex of some species of the radiolysis products. Participation of radiotoxins of carbohydrate origin in radiobiological effects is discussed.

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Year:  1993        PMID: 8310129     DOI: 10.1007/BF01225922

Source DB:  PubMed          Journal:  Radiat Environ Biophys        ISSN: 0301-634X            Impact factor:   1.925


  21 in total

1.  Radiolysis of a pig gastric glycopeptide.

Authors:  G Pallavicini; G Cetta; F Sinigaglia; R Badiello; M Tamba
Journal:  Int J Radiat Biol Relat Stud Phys Chem Med       Date:  1976-09

Review 2.  The role of iron in the initiation of lipid peroxidation.

Authors:  G Minotti; S D Aust
Journal:  Chem Phys Lipids       Date:  1987 Jul-Sep       Impact factor: 3.329

Review 3.  The effect of ionizing radiation on lipid membranes.

Authors:  G Stark
Journal:  Biochim Biophys Acta       Date:  1991-07-22

4.  Isolation of synaptic plasma membrane from brain by combined flotation-sedimentation density gradient centrifugation.

Authors:  D H Jones; A I Matus
Journal:  Biochim Biophys Acta       Date:  1974-08-09

5.  Synaptic plasma membranes from rat brain synaptosomes: isolation and partial characterization.

Authors:  C W Cotman; D A Matthews
Journal:  Biochim Biophys Acta       Date:  1971-12-03

Review 6.  Protein fluorescence and its relationship to free radical activity.

Authors:  A F Jones; J Lunec
Journal:  Br J Cancer Suppl       Date:  1987-06

7.  Iron release and erythrocyte damage in allyl alcohol intoxication in mice.

Authors:  M Ferrali; L Ciccoli; C Signorini; M Comporti
Journal:  Biochem Pharmacol       Date:  1990-10-01       Impact factor: 5.858

8.  Studies on mutagenicity of irradiated sugar solutions in Salmonella typhimurium.

Authors:  A S Aiyar; V Subba Rao
Journal:  Mutat Res       Date:  1977       Impact factor: 2.433

Review 9.  Transport adenosine triphosphatases: properties and functions.

Authors:  F Schuurmans Stekhoven; S L Bonting
Journal:  Physiol Rev       Date:  1981-01       Impact factor: 37.312

10.  Lack of clastogenic effects of irradiated glucose in somatic and germ cells of mice.

Authors:  M B Varma; K P Rao; S D Nandan; M S Rao
Journal:  Mutat Res       Date:  1986 Jan-Feb       Impact factor: 2.433

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