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Word Health Organization, WHO/EURO, has coordinated two rounds of follow-up studies on levels of PCDDs, PCDFs, and PCBs in human milk which were analyzed as two pooled samples from each participating country, one from urban and the other one from rural area. Finland has taken part to both of those studies and we are now reporting results of all the second round randomly sampled human milk samples...
Human first-trimester placentas were screened for the expression of xenobiotic-metabolizing cytochrome P450 (CYP) genes. mRNAs of CYP1A1, CYP1A2, CYP2C, CYP2D6, CYP2E1, CYP2F1, CYP3A4, CYP3A5, CYP3A7, and CYP4B1 were identified by reverse transcriptase-polymerase chain reaction (RT-PCR) in at least some of the six placental samples studied. CYP2A and CYP2B messages were absent in all samples. The...
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