Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1981-7-20
pubmed:abstractText
Bleomycin (BLM) was labeled with gamma-emitting 103Ru. Yields of 103Ru-labeled BLM as high as 50.6% were attained. 103Ru-labeled BLM was stable in vitro and the 103ru label was not displaced by large excesses of Cu (II) and Co (II) or Fe (III). Chromatography of the urine following 103Ru-labeled BLM injection indicated no in vivo decomposition. Pharmacokinetic studies in healthy inbred SD and tumor-bearing inbred BUF rats demonstrated tumor accumulations, tissue distributions, and clearance nearly identical with those reported for 3H-labeled BLM. Cytotoxicity studies on a WI-L2 human B-cell line showed that BLM labeled with nonradioactive Ru retained 100% of the activity demonstrated by native BLM. Thus BLM may be labeled with isotopes of Ru to form stable complexes by a simple, rapid reaction without loss of its chemotherapeutic properties or variations in its in vivo distribution. BLM labeled with the proper Ru isotope should prove useful as a gamma-emitting tracer for BLM or a beta-emitting compound capable of providing combination chemotherapy and radiotherapy of tumors.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0027-8874
pubmed:author
pubmed:issnType
Print
pubmed:volume
66
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
807-11
pubmed:dateRevised
2008-11-21
pubmed:meshHeading
pubmed:year
1981
pubmed:articleTitle
Cytotoxic activity, tumor accumulation, and tissue distribution of ruthenium-103-labeled bleomycin.
pubmed:publicationType
Journal Article, Comparative Study, Research Support, U.S. Gov't, P.H.S.