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Study the relationship between UGT1A1, MTHFR gene polymorphism and colorectal cancer chemotherapy sensitivity

ABSTRACT: Interventions: UGT1A1 genotype group:5-FU/CF/CPT-11;MTHFR genotype group:5-FU/CF/CPT-11 Primary outcome(s): Fatality rate;Survival tim Study Design: Cohort study

DISEASE(S): Colonic And Rectal Cancer

PROVIDER: 2661695 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:We tested four gene enrichment and complexity reduction target preparation methods for scoring SFPs on the Affymetrix GeneChip 18k Maize Genome Array (âMaize GeneChipâ). Methylation filtration (MF), Cot filtration (CF), mRNA-derived cRNA, and amplified fragment length polymorphism (AFLP) methods were applied to three diverse maize inbred lines (B73, Mo17, and CML69) with three replications per line (36 Maize GeneChips). Due to large amounts of repetitive, mobile DNA, the maize genome requires a target preparation method that offers both a high level of gene enrichment and accurate scoring of SFPs. The objectives of this research are (i) to determine which target preparation method (CF, MF, mRNA, or AFLP) optimally enriches for gene sequences complementary to probe sequences on the Affymetrix GeneChip Maize Genome Array and (ii) to estimate SFP detection power for each target method. The AFLP technology is covered by patents, and patent applications owned by Keygene N.V. AFLP is a registered trademark of Keygene N.V. GeneChip. This work was supported in part by U.S. National Science Foundation grant DBI-0321467 and USDA-ARS. Mention of trade names or commercial products in this publication is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the USDA. ****[PLEXdb(http://www.plexdb.org) has submitted this series at GEO on behalf of the original contributor, Michael Gore. The equivalent experiment is ZM10 at PLEXdb.] Experiment Overall Design: protocol: mRNA - genotype: B73 maize inbred(3-replications) Experiment Overall Design: protocol: mRNA - genotype: Mo17 maize inbred(3-replications) Experiment Overall Design: protocol: mRNA - genotype: CML69 maize inbred(3-replications) Experiment Overall Design: protocol: Cot filtration (CF) - genotype: B73 maize inbred(3-replications) Experiment Overall Design: protocol: Cot filtration (CF) - genotype: Mo17 maize inbred(3-replications) Experiment Overall Design: protocol: Cot filtration (CF) - genotype: CML69 maize inbred(3-replications) Experiment Overall Design: protocol: Methylation filtration (MF) - genotype: B73 maize inbred(3-replications) Experiment Overall Design: protocol: Methylation filtration (MF) - genotype: Mo17 maize inbred(3-replications) Experiment Overall Design: protocol: Methylation filtration (MF) - genotype: CML69 maize inbred(3-replications) Experiment Overall Design: protocol: Amplified fragment restriction polymorphism (AFLP) - genotype: B73 maize inbred(3-replications) Experiment Overall Design: protocol: Amplified fragment restriction polymorphism (AFLP) - genotype: Mo17 maize inbred(3-replications) Experiment Overall Design: protocol: Amplified fragment restriction polymorphism (AFLP) - genotype: CML69 maize inbred(3-replications)

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Study the relationship between UGT1A1, MTHFR gene polymorphism and colorectal cancer chemotherapy sensitivity

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