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Mikael Oscarson

Researcher at Karolinska Institutet

Publications -  36
Citations -  3972

Mikael Oscarson is an academic researcher from Karolinska Institutet. The author has contributed to research in topics: Gene & Allele. The author has an hindex of 28, co-authored 36 publications receiving 3883 citations. Previous affiliations of Mikael Oscarson include Karolinska University Hospital.

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Polymorphic human cytochrome P450 enzymes: an opportunity for individualized drug treatment.

TL;DR: For example, this article showed that 40% of human P450-dependent drug metabolism is carried out by polymorphic enzymes, which can cause abolished, quantitatively or qualitatively altered or enhanced drug metabolism.
Journal Article

Genetic analysis of the Chinese cytochrome P4502D locus: characterization of variant CYP2D6 genes present in subjects with diminished capacity for debrisoquine hydroxylation.

TL;DR: Important interethnic differences exist in the structure of the CYP2D locus, and they suggest that the frequent distribution of the C188-->T mutation among the CYp2D6Ch genes explains the lower capacity among Chinese to metabolize drugs that are substrates of CYP 2D6, such as antidepressants and neuroleptic agents.
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Characterisation and PCR-based detection of a CYP2A6 gene deletion found at a high frequency in a Chinese population.

TL;DR: It is concluded that genotyping for the CYP2A6del allele is of great importance in studies correlating, for example, smoking behaviour, pre‐carcinogen activation or drug metabolism to the CYp2A 6 genotype, in particular when oriental populations are investigated.
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Frequent occurrence of CYP2D6 gene duplication in Saudi Arabians

TL;DR: In conclusion, the Saudi Arabian population studied exhibited very few defective alleles and a large number of subjects carried duplicated CYP2D6 genes, implying a high conservation on functional CYP1D7 genes possibly due to dietary reasons and reveal the Saudi Arabians as an unique population in comparison with others examined.
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Identification and characterisation of novel polymorphisms in the CYP2A locus: implications for nicotine metabolism.

TL;DR: Re‐evaluated the genotyping method used for the CYP2A6*3 allele and found that a gene conversion in the 3′ flanking region of 30–40% of CYP6*1 alleles results in genotype misclassification, implying the presence of numerous defective as well as active CYP1A6/CYP2A7 gene conversion events.