Exposure to brominated trihalomethanes in water during pregnancy and micronuclei frequency in maternal and cord blood lymphocytes
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Exposure to brominated trihalomethanes in water during pregnancy and micronuclei frequency in maternal and cord blood lymphocytes. / Stayner, Leslie Thomas; Pedersen, Marie; Patelarou, Evridiki; Decordier, Ilse; Vande Loock, Kim; Chatzi, Leda; Espinosa, Ana; Fthenou, Eleni; Nieuwenhuijsen, Mark J; Gracia-Lavedan, Esther; Stephanou, Euripides G; Kirsch-Volders, Micheline; Kogevinas, Manolis.
In: Environmental Health Perspectives, Vol. 122, No. 1, 01.2014, p. 100-6.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Exposure to brominated trihalomethanes in water during pregnancy and micronuclei frequency in maternal and cord blood lymphocytes
AU - Stayner, Leslie Thomas
AU - Pedersen, Marie
AU - Patelarou, Evridiki
AU - Decordier, Ilse
AU - Vande Loock, Kim
AU - Chatzi, Leda
AU - Espinosa, Ana
AU - Fthenou, Eleni
AU - Nieuwenhuijsen, Mark J
AU - Gracia-Lavedan, Esther
AU - Stephanou, Euripides G
AU - Kirsch-Volders, Micheline
AU - Kogevinas, Manolis
PY - 2014/1
Y1 - 2014/1
N2 - BACKGROUND: Water disinfection by-products have been associated with an increased cancer risk. Micronuclei (MN) frequency in lymphocytes is a marker of genomic damage and can predict adult cancer risk.OBJECTIVE: We evaluated maternal exposure to drinking water brominated trihalomethanes (BTHM) in relation to MN frequency in maternal and cord blood lymphocytes.METHODS: MN frequency was examined in 214 mothers and 223 newborns from the Rhea mother-child cohort in Crete, Greece, in 2007-2008. Residential BTHM water concentrations were estimated during pregnancy using tap water analyses and modeling. Questionnaires on water related habits were used to estimate BTHM exposure from all routes. Associations between BTHM and MN frequency were estimated using negative binomial regression.RESULTS: BTHM concentrations in residential tap water during pregnancy ranged from 0.06 to 7.1 μg/L. MN frequency in maternal binucleated lymphocytes was found to increase with BTHM concentrations in residential water for exposure during the first [rate ratio (RR) for 1 μg/L=1.05; 95% CI: 1.00, 1.11] and second trimesters (RR for 1 μg/L=1.03; 95% CI: 1.00, 1.06), and through all routes of BTHM exposure during the first trimester (RR for 1 μg/week=3.14; 95% CI: 1.16, 8.50).CONCLUSIONS: These findings suggest that exposure to BTHM may increase the frequency of MN in maternal binucleated lymphocytes.
AB - BACKGROUND: Water disinfection by-products have been associated with an increased cancer risk. Micronuclei (MN) frequency in lymphocytes is a marker of genomic damage and can predict adult cancer risk.OBJECTIVE: We evaluated maternal exposure to drinking water brominated trihalomethanes (BTHM) in relation to MN frequency in maternal and cord blood lymphocytes.METHODS: MN frequency was examined in 214 mothers and 223 newborns from the Rhea mother-child cohort in Crete, Greece, in 2007-2008. Residential BTHM water concentrations were estimated during pregnancy using tap water analyses and modeling. Questionnaires on water related habits were used to estimate BTHM exposure from all routes. Associations between BTHM and MN frequency were estimated using negative binomial regression.RESULTS: BTHM concentrations in residential tap water during pregnancy ranged from 0.06 to 7.1 μg/L. MN frequency in maternal binucleated lymphocytes was found to increase with BTHM concentrations in residential water for exposure during the first [rate ratio (RR) for 1 μg/L=1.05; 95% CI: 1.00, 1.11] and second trimesters (RR for 1 μg/L=1.03; 95% CI: 1.00, 1.06), and through all routes of BTHM exposure during the first trimester (RR for 1 μg/week=3.14; 95% CI: 1.16, 8.50).CONCLUSIONS: These findings suggest that exposure to BTHM may increase the frequency of MN in maternal binucleated lymphocytes.
KW - Drinking Water
KW - Female
KW - Humans
KW - Infant, Newborn
KW - Lymphocytes
KW - Maternal Exposure
KW - Micronuclei, Chromosome-Defective
KW - Pregnancy
KW - Trihalomethanes
KW - Water Pollutants, Chemical
U2 - 10.1289/ehp.1206434
DO - 10.1289/ehp.1206434
M3 - Journal article
C2 - 24184846
VL - 122
SP - 100
EP - 106
JO - Environmental Health Perspectives
JF - Environmental Health Perspectives
SN - 0091-6765
IS - 1
ER -
ID: 143933656