Genetic variants in the folate pathway and risk of childhood acute lymphoblastic leukemia

Objective: Folate is involved in the one-carbon metabolism that plays an essential role in the synthesis, repair, and methylation of DNA. We examined whether child's germline genetic variation in the folate pathway is associated with childhood acute lymphoblastic leukemia (ALL), and whether per...

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Veröffentlicht in:Cancer causes & control 2011-09, Vol.22 (9), p.1243-1258
Hauptverfasser: Metayer, Catherine, Scélo, Ghislaine, Chokkalingam, Anand P., Barcellos, Lisa F., Aldrich, Melinda C., Chang, Jeffrey S., Guha, Neela, Urayama, Kevin Y., Hansen, Helen M., Block, Gladys, Kiley, Vincent, Wiencke, John K., Wiemels, Joseph L., Buffler, Patricia A.
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container_end_page 1258
container_issue 9
container_start_page 1243
container_title Cancer causes & control
container_volume 22
creator Metayer, Catherine
Scélo, Ghislaine
Chokkalingam, Anand P.
Barcellos, Lisa F.
Aldrich, Melinda C.
Chang, Jeffrey S.
Guha, Neela
Urayama, Kevin Y.
Hansen, Helen M.
Block, Gladys
Kiley, Vincent
Wiencke, John K.
Wiemels, Joseph L.
Buffler, Patricia A.
description Objective: Folate is involved in the one-carbon metabolism that plays an essential role in the synthesis, repair, and methylation of DNA. We examined whether child's germline genetic variation in the folate pathway is associated with childhood acute lymphoblastic leukemia (ALL), and whether periconception maternal folate and alcohol intake modify the risk. Methods: Seventy-six single nucleotide polymorphisms (SNPs), including 66 haplotype-tagging SNPs in 10 genes (CBS, DHFR, FOLH1, MTHFD1, MTHFR, MTR, MTRR, SHMT1, SLC19A1, and TYMS), were genotyped in 377 ALL cases and 448 controls. Log-additive associations between genotypes and ALL risk were adjusted for age, sex, Hispanic ethnicity (when appropriate), and maternal race. Results: Single and haplotype SNPs analyses showed statistically significant associations between SNPs located in (or adjacent to) CBS, MTRR, TYMS/ENOFS, and childhood ALL. Many regions of CBS were associated with childhood ALL in Hispanics and non-Hispanics (p < 0.01). Levels of maternal folate intake modified associations with SNPs in CBS, MTRR, and TYMS. Conclusion: Our data suggest the importance of genetic variability in the folate pathway and childhood ALL risk.
doi_str_mv 10.1007/s10552-011-9795-7
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We examined whether child's germline genetic variation in the folate pathway is associated with childhood acute lymphoblastic leukemia (ALL), and whether periconception maternal folate and alcohol intake modify the risk. Methods: Seventy-six single nucleotide polymorphisms (SNPs), including 66 haplotype-tagging SNPs in 10 genes (CBS, DHFR, FOLH1, MTHFD1, MTHFR, MTR, MTRR, SHMT1, SLC19A1, and TYMS), were genotyped in 377 ALL cases and 448 controls. Log-additive associations between genotypes and ALL risk were adjusted for age, sex, Hispanic ethnicity (when appropriate), and maternal race. Results: Single and haplotype SNPs analyses showed statistically significant associations between SNPs located in (or adjacent to) CBS, MTRR, TYMS/ENOFS, and childhood ALL. Many regions of CBS were associated with childhood ALL in Hispanics and non-Hispanics (p &lt; 0.01). Levels of maternal folate intake modified associations with SNPs in CBS, MTRR, and TYMS. 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We examined whether child's germline genetic variation in the folate pathway is associated with childhood acute lymphoblastic leukemia (ALL), and whether periconception maternal folate and alcohol intake modify the risk. Methods: Seventy-six single nucleotide polymorphisms (SNPs), including 66 haplotype-tagging SNPs in 10 genes (CBS, DHFR, FOLH1, MTHFD1, MTHFR, MTR, MTRR, SHMT1, SLC19A1, and TYMS), were genotyped in 377 ALL cases and 448 controls. Log-additive associations between genotypes and ALL risk were adjusted for age, sex, Hispanic ethnicity (when appropriate), and maternal race. Results: Single and haplotype SNPs analyses showed statistically significant associations between SNPs located in (or adjacent to) CBS, MTRR, TYMS/ENOFS, and childhood ALL. Many regions of CBS were associated with childhood ALL in Hispanics and non-Hispanics (p &lt; 0.01). Levels of maternal folate intake modified associations with SNPs in CBS, MTRR, and TYMS. 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1573-7225
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source MEDLINE; SpringerNature Journals; JSTOR Archive Collection A-Z Listing
subjects Acute lymphatic leukemia
Alcohol
Alcohol drinking
Alcohol Drinking - adverse effects
Alcohol Drinking - genetics
Alcohol Drinking - metabolism
Alcoholic beverages
Bioavailability
Biomedical and Life Sciences
Biomedicine
Cancer
Cancer Research
Carbon
Case-Control Studies
Child
Child, Preschool
Childhood
Children
Children & youth
Data processing
Dihydrofolate reductase
DNA
DNA methylation
Epidemiology
Ethnic groups
Ethnicity
Female
Folic acid
Folic Acid - administration & dosage
Folic Acid - genetics
Folic Acid - metabolism
Genes
Genetic diversity
Genetic Predisposition to Disease
Genetic Variation
Genotype
Haplotypes
Hematology
Hispanic people
Hispanics
Human subjects
Humans
Infant
Infant, Newborn
Leukemia
Lymphocytic leukemia
Male
Medical research
Metabolism
Methylenetetrahydrofolate reductase
Oncology
Original Paper
Polymorphism, Single Nucleotide
Precursor Cell Lymphoblastic Leukemia-Lymphoma - genetics
Precursor Cell Lymphoblastic Leukemia-Lymphoma - metabolism
Pregnancy
Public Health
Risk Factors
Single-nucleotide polymorphism
Statistical analysis
Vitamin B
title Genetic variants in the folate pathway and risk of childhood acute lymphoblastic leukemia
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