2001
DOI: 10.1006/enrs.2001.4270
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Polychlorinated Biphenyl Congeners as Markers of Toxic Equivalents of Polychlorinated Biphenyls, Dibenzo-p-dioxins and Dibenzofurans in Breast Milk

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Cited by 46 publications
(24 citation statements)
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“…Nevertheless, the results were similar to our previous analysis of breast milk PCBs, p,p 0 -DDT, p,p 0 -DDE, and HCH levels, in which the contamination levels in the two cities were comparable, although they were higher in the Guangzhou populations (Wong et al, 2002). In other countries, the detectable dioxin concentrations, in terms of chemical-TEQ (C-TEQ), have been 9.6-35 pg/g fat (PCDD/ PCDF) in Sweden (Glynn et al, 2001), 9.9-48.5 pg/g fat (PCDD/PCDF/CoPCB) in Japan (Nakagawa et al, 1999), 16-40.2 pg/g fat (PCDD/PCDF) in the Republic of Uzbekistan (Ataniyazova et al, 2001), 21-53 pg/g fat (PCDD/PCDF) in agricultural regions of southern Kazakhstan (Hooper et al, 1999), and 5.9-17.1 pg/g fat (PCDD/PCDF) in Spain (Schuhmacher et al, 1999). Despite the results indicated above, EROD-TEQ and C-TEQ analyses have particular pros and cons, and thus caution should be taken in when interpreting the data.…”
Section: Article In Presssupporting
confidence: 47%
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“…Nevertheless, the results were similar to our previous analysis of breast milk PCBs, p,p 0 -DDT, p,p 0 -DDE, and HCH levels, in which the contamination levels in the two cities were comparable, although they were higher in the Guangzhou populations (Wong et al, 2002). In other countries, the detectable dioxin concentrations, in terms of chemical-TEQ (C-TEQ), have been 9.6-35 pg/g fat (PCDD/ PCDF) in Sweden (Glynn et al, 2001), 9.9-48.5 pg/g fat (PCDD/PCDF/CoPCB) in Japan (Nakagawa et al, 1999), 16-40.2 pg/g fat (PCDD/PCDF) in the Republic of Uzbekistan (Ataniyazova et al, 2001), 21-53 pg/g fat (PCDD/PCDF) in agricultural regions of southern Kazakhstan (Hooper et al, 1999), and 5.9-17.1 pg/g fat (PCDD/PCDF) in Spain (Schuhmacher et al, 1999). Despite the results indicated above, EROD-TEQ and C-TEQ analyses have particular pros and cons, and thus caution should be taken in when interpreting the data.…”
Section: Article In Presssupporting
confidence: 47%
“…Hence, numerous studies have tried to develop a more costefficient assessment of dioxin exposure. Most studies have adopted the use of PCB congeners in breast milk as markers for dioxin measurement (Glynn et al, 2001;Koopman-Essebom et al, 1994). However, the association between concentrations of PCB markers and dioxin may vary among individual study populations with different geographical and cultural backgrounds.…”
Section: Introductionmentioning
confidence: 99%
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“…Congeners CB 105, CB 118, CB 156, and CB 167 were chosen to represent mono-ortho PCBs with dioxin-like activity ( Van den Berg et al 1998). Of these, CB 167 gives a low contribution to the concentrations of dioxin toxic equivalents (TEQs), but a previous study indicated that this congener may be used as a marker of TEQ body burden in Swedish women (Glynn et al 2001). Among the congeners with no reported dioxin-like activity in vivo, the diortho congeners CB 138, CB 153, and CB 180 were chosen because they are present at high concentrations in Swedish food Glynn et al, 2000b) and are included in the PCB regulation in several European countries.…”
Section: Methodsmentioning
confidence: 99%
“…Because humans are generally exposed to similar mixtures, the patterns seen in different individuals tend to have many similarities. Previous investigations, many involving limited numbers of congeners or relatively small populations, have shown that concentrations of certain congeners in humans are positively correlated, with some of the correlations being quite high (DeVoto et al 1997;Gladen et al 1999a;Glynn et al 2000Glynn et al , 2001Longnecker et al 2000;van den Berg et al 1995). To the extent that high correlations exist among congeners, there is both no need to measure them separately and no ability to distinguish their biologic effects.…”
mentioning
confidence: 99%