Record Details

Permeability of Various Thyroid Hormone Derivatives and Discovery of a Novel Metabolite

ScholarsArchive at Oregon State University

Field Value
Title Permeability of Various Thyroid Hormone Derivatives and Discovery of a Novel Metabolite
Names Kirkemo, Lisa (creator)
Ahern, Kevin (advisor)
Date Issued 2014-05-22 (iso8601)
Note Honors Bachelor of Science (HBS)
Abstract In this investigation, six different endogenous thyroid hormone derivatives—T₄,
T₃, TA₄, TA₃, T₁-Amine, and N-Acetylated T₁-Amine—were tested to gain insight into
their permeability coefficients and efflux ratios across a monolayer of Madin-Darby
Canine Kidney (MDCK II) cells. The results indicate that T₃ and T₄ were unable to
traverse the membrane due to lack of compatible membrane bound transporters, which
supports that the transport of both T₃ and T₄ into their cellular targets relies on membrane
proteins. The data also suggested that T₁-Amine and N-Acetylated T₁-Amine may cross
the plasma membrane by an active transport mechanism, while the remaining derivatives
express efflux ratios indicative of a passive diffusion mechanism. Incubating N-Acetylated
T₁-Amine with MDCK II cells produced a novel metabolite, which was identified as a sulfated form of N-Acetylated T₁-Amine.
Genre Thesis
Topic Thyroid hormone derivatives
Identifier http://hdl.handle.net/1957/50854

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