2003
DOI: 10.1016/s0378-4274(03)00203-0
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ortho-Substituted polychlorinated biphenyl (PCB) congeners (95 or 101) decrease pituitary response to thyrotropin releasing hormone

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Cited by 64 publications
(38 citation statements)
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“…In an early study, Collins and Capen (1980) reported that perinatal rats exposed in utero and by the milk to PCBs showed structural changes and reduction in serum thyroid hormone levels. Similar observations have been reported by a number of other investigators (Anbalagan et al 2003;Khan and Hansen 2003). However, increased levels of thyroid hormones as an immediate response to PCB treatment have also been documented (Guengerich 1989).…”
supporting
confidence: 84%
See 1 more Smart Citation
“…In an early study, Collins and Capen (1980) reported that perinatal rats exposed in utero and by the milk to PCBs showed structural changes and reduction in serum thyroid hormone levels. Similar observations have been reported by a number of other investigators (Anbalagan et al 2003;Khan and Hansen 2003). However, increased levels of thyroid hormones as an immediate response to PCB treatment have also been documented (Guengerich 1989).…”
supporting
confidence: 84%
“…The dose-dependent changes in the histology of thyroid gland after dietary treatment with PCB 28 for 90 days have been shown (Chu et al 1996). However, no change in thyroid gland morphology was observed following treatment of female rats with PCBs 95 and 101 at 32 mg/kg dose for two consecutive days (Khan and Hansen 2003). Similarly, short-term (seven days) treatment with A1254 had no significant impact on the epithelial, colloid and interstitial areas of the thyroid gland (Hood et al 1999).…”
Section: Discussionmentioning
confidence: 98%
“…These congeners interfere with the HPT-axis by causing a subnormal response of the pituitary and thyroid to TRH stimulation (Khan and Hansen, 2003).…”
Section: Discussionmentioning
confidence: 99%
“…PCB congeners can modulate the axis by reducing the response of pituitary cells to TRH [57]. Higher concentrations of organochlorines in the adipose tissue of grey seals correlated with the lower levels of total and free thyroxin [58].…”
Section: Thyroid Functionmentioning
confidence: 95%
“…Kongenery PCB mogą modulować działanie osi między innymi poprzez obniżenie odpowiedzi komórek przysadki na TRH [57]. Wyższe stężenie organochlorynów w tłuszczu fok szarych korelowało z niższym stężeniem całkowitej i wolnej tyroksyny [58].…”
Section: Bisfenol a (Bpa) -22-bis(p-hydroksyfenylo) Propanunclassified