Linked Life Data

11206049

Source:http://linkedlifedata.com/resource/pubmed/id/11206049

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
1
pubmed:dateCreated
2001-2-1
pubmed:abstractText
Metabolic activity of the polymorphic N-acetyltransferase (NAT2) is determined by the mutation pattern of the NAT2 gene. This results in interindividual differences in the metabolic capacity (the phenotype), with continuous distribution of the activities rather than qualitative distinction between rapid and slow acetylators. To determine whether the phenotype might be predicted solely from the mutation pattern of NAT2, quantitative relationships were calculated between mutation patterns of the NAT2 gene and the phenotype of NAT2 assessed either in vitro or in vivo. Healthy volunteers were examined for the velocity at which they metabolized sulfamethazine, and human liver cytosols were measured for NAT2 enzymatic activity, obtaining in vivo and in vitro metabolic phenotype, respectively. Typing of the NAT2 gene was performed by polymerase chain reaction, restriction fragment length analysis, or allele-specific polymerase chain reaction. Multiple linear regression analysis provided quantitative relationships between allelic pattern and the NAT2 activities measured in vivo and in vitro. Estimates showed the influence of particular allelic configurations on enzyme activity in vitro and the extent of acetylation of the probe drug in vivo, resulting in a strict gene-dose effect. Comparison of in vitro results with in vivo phenotyping figures showed a high degree of correspondence, indicating that the one is the reflection of the other.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Feb
pubmed:issn
0163-4356
pubmed:author
pubmed:issnType
Print
pubmed:volume
23
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
9-14
pubmed:dateRevised
2010-9-8
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Prediction of metabolic activity from genotype: the gene-dose effect of N-acetyltransferase.
pubmed:affiliation
Department of Pharmacology, Ernst Moritz Arndt University Greifswald, Germany. meiselp@uni-greifswald.de
pubmed:publicationType
Journal Article, Clinical Trial