Discovery And Diagnostic Methods Using 5-Methylcytosine Dna Glycosylase


Ontology type: sgo:Patent     


Patent Info

DATE

2003-09-25T00:00

AUTHORS

LOFTON-DAY, CATHY, E. , DAY, JOHN, K.

ABSTRACT

The present invention provides methods for identification of methylated, and/or potentially methylatable CpG dinucleotides in genomic DNA sequences, and methods for isolating genomic DNA sequences comprising methylated CpG dinucleotide sequences. The present invention further provides methods for comparison of the methylation status of specific CpG dinucleotides, and patterns thereof between normal and diseased genomic DNA sequences, along with methods for determining all potentially methylatable CpG dinucleotides in a genomic DNA sample. Specifically, the present invention discloses a novel use of 5-methylcytosine DNA glycosylase (5-MCDG) in combination with art-recognized DNA base excision repair (BER) enzymes, and in particular embodiments, in combination with DNA methyltransferase to specifically label methylated CpG dinucleotide sequences in genomic DNA sequences. More... »

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