Switch to
Predicate | Object |
---|---|
rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4
|
pubmed:dateCreated |
1987-12-2
|
pubmed:abstractText |
1. Previous studies have demonstrated the presence of glutathione S-transferases in the skin of rodents and humans. This study represents the first attempt to purify cytosolic glutathione S-transferases from skin of 3-day-old rats. 2. A partial purification of the enzyme was achieved by a two-step procedure: affinity chromatography followed by HPLC. Two peaks, one major (P-1) and one minor (P-2), were resolved by HPLC containing about 82% and 10% of the recovered activity, respectively. 3. The major form exhibited an overall purification of about 2270-fold with a specific activity of about 73 mumoles/min/mg protein towards 1-chloro-2,4-dinitrobenzene. 4. The kinetic data for P-1 yielded mean Km values of 2.39 mM for 1-chloro-2,4-dinitrobenzene and 0.72 mM for reduced glutathione, while the respective average Vmax values were found to be 212 and 101 mumoles/min/mg protein. 5. Significantly inhibition of enzyme activity was noted in the presence of 0.2 mM HgCl2, 0.63 microM 1.2-naphthoquinone, 1.0 microM triphenyltin chloride, and 12.5 microM 17 beta-estradiol-3-sulfate.
|
pubmed:language |
eng
|
pubmed:journal | |
pubmed:citationSubset |
IM
|
pubmed:chemical | |
pubmed:status |
MEDLINE
|
pubmed:issn |
0305-0491
|
pubmed:author | |
pubmed:issnType |
Print
|
pubmed:volume |
87
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
1005-9
|
pubmed:dateRevised |
2006-11-15
|
pubmed:meshHeading |
pubmed-meshheading:3665416-Animals,
pubmed-meshheading:3665416-Animals, Newborn,
pubmed-meshheading:3665416-Chromatography, Affinity,
pubmed-meshheading:3665416-Chromatography, High Pressure Liquid,
pubmed-meshheading:3665416-Glutathione Transferase,
pubmed-meshheading:3665416-Isoenzymes,
pubmed-meshheading:3665416-Kinetics,
pubmed-meshheading:3665416-Rats,
pubmed-meshheading:3665416-Rats, Inbred Strains,
pubmed-meshheading:3665416-Skin
|
pubmed:year |
1987
|
pubmed:articleTitle |
Partial purification and some biochemical properties of neonatal rat cutaneous glutathione S-transferases.
|
pubmed:affiliation |
Department of Environmental and Industrial Health, School of Public Health, University of Michigan, Ann Arbor 48109-2029.
|
pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.
|