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PROCÉDÉS POUR L'ENRICHISSIMENT EN ACIDE NUCLEIC FÉTAL D'UN ÉCHANTILLON MATERNEL, BASÉ SUR LA MÉTHYLATION ET UTILISATION POUR LA QUANTIFICATION DE L'ACIDE NUCLEIQUE FÉTAL
PROCÉDÉS POUR L'ENRICHISSIMENT EN ACIDE NUCLEIC FÉTAL D'UN ÉCHANTILLON MATERNEL, BASÉ SUR LA MÉTHYLATION ET UTILISATION POUR LA QUANTIFICATION DE L'ACIDE NUCLEIQUE FÉTAL
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摘要
Provided is a method for determining the amount of fetal nucleic acid in a sample comprising: a) contacting nucleic acid present in a sample from a pregnant female, which sample comprises differentially methylated fetal nucleic acid and maternal nucleic acid, with an agent that specifically binds methylated nucleotides; thereby producing bound nucleic acid; b) isolating the bound nucleic acid of (a), thereby enriching the fetal nucleic acid; and c) determining the amount of fetal nucleic acid by analyzing the amount of fetal nucleic acid of (b) at a plurality of loci selected from loci of SEQ ID NOs:1-89.
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