Genetic variants of folate and methionine metabolism and PCNSL incidence in a German patient population

Functional genetic polymorphisms involved in folate and methionine metabolism play an important role in both DNA synthesis and methylation, and affect the risk of various malignancies including lymphoproliferative disorders such as systemic non-Hodgkin’s lymphoma. In a retrospective analysis of 185...

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Veröffentlicht in:Journal of neuro-oncology 2010-11, Vol.100 (2), p.187-192
Hauptverfasser: Kurzwelly, Delia, Knop, Stefan, Guenther, Markus, Loeffler, Juergen, Korfel, Agnieszka, Thiel, Eckhard, Hebart, Holger, Simon, Matthias, Weller, Michael, Linnebank, Michael, Herrlinger, Ulrich
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container_title Journal of neuro-oncology
container_volume 100
creator Kurzwelly, Delia
Knop, Stefan
Guenther, Markus
Loeffler, Juergen
Korfel, Agnieszka
Thiel, Eckhard
Hebart, Holger
Simon, Matthias
Weller, Michael
Linnebank, Michael
Herrlinger, Ulrich
description Functional genetic polymorphisms involved in folate and methionine metabolism play an important role in both DNA synthesis and methylation, and affect the risk of various malignancies including lymphoproliferative disorders such as systemic non-Hodgkin’s lymphoma. In a retrospective analysis of 185 immunocompetent patients with primary central nervous system lymphoma (PCNSL) and 212 population controls we therefore investigated eight genetic polymorphisms affecting methionine metabolism for potential association with the development of PCNSL. We observed underrepresentation of the G-allele of the methyltetrahydrofolate homocysteine S -methyltransferase ( MTR ) c.2756A > G (D919G) missense polymorphism among PCNSL patients ( P  = 0.045; odds ratio (OR) = 0.65; 0.43–0.99). Furthermore, for the methylenetetrahydrofolate reductase ( MTHFR ) c.1298A > C (E429A) polymorphism the mutated C-allele was found more frequently among PCNSL patients than among population controls ( P  = 0.026; OR = 1.57; 1.05–2.34). There were no associations of the other polymorphisms investigated ( MTHFR c.677C > T, transcobalamin 2 ( Tc2 ) c.776C > G, cystathionin beta-synthase ( CBS ) c.844_855ins68, reduced folate carrier-1 ( RFC - 1 ) c.80G > A, thymidylate synthase ( TYMS ) 28-bp repeat, and dihydrofolate reductase ( DHFR ) c.594 + 59del19 bp) and the presence of PCNSL. This analysis is the largest to date to evaluate associations between genetic variants of folate and methionine metabolism and PCNSL. Our results suggest the hypothesis that folate and methionine metabolism is relevant to susceptibility to PCNSL.
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In a retrospective analysis of 185 immunocompetent patients with primary central nervous system lymphoma (PCNSL) and 212 population controls we therefore investigated eight genetic polymorphisms affecting methionine metabolism for potential association with the development of PCNSL. We observed underrepresentation of the G-allele of the methyltetrahydrofolate homocysteine S -methyltransferase ( MTR ) c.2756A &gt; G (D919G) missense polymorphism among PCNSL patients ( P  = 0.045; odds ratio (OR) = 0.65; 0.43–0.99). Furthermore, for the methylenetetrahydrofolate reductase ( MTHFR ) c.1298A &gt; C (E429A) polymorphism the mutated C-allele was found more frequently among PCNSL patients than among population controls ( P  = 0.026; OR = 1.57; 1.05–2.34). There were no associations of the other polymorphisms investigated ( MTHFR c.677C &gt; T, transcobalamin 2 ( Tc2 ) c.776C &gt; G, cystathionin beta-synthase ( CBS ) c.844_855ins68, reduced folate carrier-1 ( RFC - 1 ) c.80G &gt; A, thymidylate synthase ( TYMS ) 28-bp repeat, and dihydrofolate reductase ( DHFR ) c.594 + 59del19 bp) and the presence of PCNSL. This analysis is the largest to date to evaluate associations between genetic variants of folate and methionine metabolism and PCNSL. 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In a retrospective analysis of 185 immunocompetent patients with primary central nervous system lymphoma (PCNSL) and 212 population controls we therefore investigated eight genetic polymorphisms affecting methionine metabolism for potential association with the development of PCNSL. We observed underrepresentation of the G-allele of the methyltetrahydrofolate homocysteine S -methyltransferase ( MTR ) c.2756A &gt; G (D919G) missense polymorphism among PCNSL patients ( P  = 0.045; odds ratio (OR) = 0.65; 0.43–0.99). Furthermore, for the methylenetetrahydrofolate reductase ( MTHFR ) c.1298A &gt; C (E429A) polymorphism the mutated C-allele was found more frequently among PCNSL patients than among population controls ( P  = 0.026; OR = 1.57; 1.05–2.34). There were no associations of the other polymorphisms investigated ( MTHFR c.677C &gt; T, transcobalamin 2 ( Tc2 ) c.776C &gt; G, cystathionin beta-synthase ( CBS ) c.844_855ins68, reduced folate carrier-1 ( RFC - 1 ) c.80G &gt; A, thymidylate synthase ( TYMS ) 28-bp repeat, and dihydrofolate reductase ( DHFR ) c.594 + 59del19 bp) and the presence of PCNSL. This analysis is the largest to date to evaluate associations between genetic variants of folate and methionine metabolism and PCNSL. 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subjects Adult
Aged
Aged, 80 and over
Central Nervous System Neoplasms - epidemiology
Central Nervous System Neoplasms - genetics
Central Nervous System Neoplasms - metabolism
Clinical Study - Patient Study
European Continental Ancestry Group - genetics
Female
Folic Acid - genetics
Folic Acid - metabolism
Genetic Predisposition to Disease - epidemiology
Genetic Predisposition to Disease - genetics
Genotype
Germany - epidemiology
Humans
Incidence
Lymphoma - epidemiology
Lymphoma - genetics
Lymphoma - metabolism
Male
Medicine
Medicine & Public Health
Methionine - genetics
Methionine - metabolism
Middle Aged
Neurology
Oncology
Polymorphism, Single Nucleotide
title Genetic variants of folate and methionine metabolism and PCNSL incidence in a German patient population
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