Title : Effects of insulin-like growth factor I on growth, epithelial barrier and iodide transport in polarized pig thyrocyte monolayers.

Pub. Date : 1996 Jul

PMID : 8765983






7 Functional Relationships(s)
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1 Insulin-like growth factor I stimulated dose-dependently the incorporation of [3H]thymidine, maximally at 100 ng/ml, which corresponded to an increase of DNA content by 60% after 6 days. Tritium insulin like growth factor 1 Sus scrofa
2 Stimulation of iodide transport by IGF-I was modest after 2 days and pronounced after 6 days. Iodides insulin like growth factor 1 Sus scrofa
3 During these conditions, the mitogenic effect of IGF-I is partially inhibited by TSH, which has no growth-promoting action on its own. Thyrotropin insulin like growth factor 1 Sus scrofa
4 The transepithelial transport of iodide and bulk electrolytes is altered by IGF-I without affecting the epithelial barrier function. Iodides insulin like growth factor 1 Sus scrofa
5 Specifically, IGF-I up-regulates the activity of the basolateral iodide pump and increases the iodide permeability of the apical plasma membrane. Iodides insulin like growth factor 1 Sus scrofa
6 Specifically, IGF-I up-regulates the activity of the basolateral iodide pump and increases the iodide permeability of the apical plasma membrane. Iodides insulin like growth factor 1 Sus scrofa
7 The action of IGF-I on iodide transport is independent of, although synergistic with, that of TSH. Iodides insulin like growth factor 1 Sus scrofa