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Transthyretin and thyroid hormone transport in fish and the effect of endocrine disruptors on this process

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Academic year: 2021

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Figure 1 Hypothalamic - pituitary gland - thyroid gland axis. Thyroid hormone levels are regulated by  a  feedback  inhibition  mechanism  which  operates  along  the  hypothalamic-pituitary-thyroid  axis
Figure 2 The chemical structure of thyroid hormones T 4  (left) and T 3  (right)  (Lundberg, 2006)
Figure 3. Thyroid hormones biosynthesis pathway in a thyroid follicle cell. The first step to hormone  synthesis is the import of iodide into the follicular cells, an active transport process (an ATP-pump pumps  K +  in and Na +  out of the cell) that occu
Figure 4. A-  Structure  of  L-thyroxine  indicating  the  main  pathways  of  metabolism
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