Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
1991-7-11
pubmed:abstractText
A simple agarose gel electrophoresis method for the determination of DNA interstrand crosslinks is described. Following complete denaturation of 32P-end-labeled DNA the presence of an interstrand crosslink results in renaturation to double-stranded DNA. The single- and double-stranded bands separated on an agarose gel can be accurately quantitated by densitometry of the autoradiograph produced from the dried gel. The technique is particularly applicable to detailed time-course experiments of both total crosslink formation and, following removal of free drug, the "second-arm" of the crosslink reaction. The method is illustrated for a number of nitrogen mustard antitumor agents, showing how the moiety attached to a bifunctional reactive group can influence the extent and rate of crosslink formation and, in particular, the conversion of monoadducts to crosslinks. It is sensitive enough to follow the formation of crosslinks by slow and inefficient cross-linking agents such as busulfan which have not previously been measured by physical procedures.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0003-2697
pubmed:author
pubmed:issnType
Print
pubmed:day
15
pubmed:volume
193
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
131-4
pubmed:dateRevised
2000-12-18
pubmed:meshHeading
pubmed:year
1991
pubmed:articleTitle
An agarose gel method for the determination of DNA interstrand crosslinking applicable to the measurement of the rate of total and "second-arm" crosslink reactions.
pubmed:affiliation
Department of Oncology, University College and Middlesex School of Medicine, London, United Kingdom.
pubmed:publicationType
Journal Article