rT3 and PTU Handout

Endocrinology. 1977 Aug;101(2):453-63 A study of extrathyroidal conversion of thyroxine (T4) to 3,3?,5-triiodothyronine (T3) in vitro. Chopra IJ. • Most endocrinologists believe that rT3 is just and inactive metabolite with no physiologic effect. This is not the case, however. This study and subsequent others demonstrate that reverse T3 (rT3) is a more potent inhibitor of T4 to T3 [...]

Thyroid and Regaining Lost Weight after Dieting

American Journal of Clinical Nutrition, Vol. 72, No. 5, 1088-1094, November 2000 Original Research Communication Do adaptive changes in metabolic rate favor weight regain in weight-reduced individuals? An examination of the set-point theory 1,2,3 Roland L Weinsier, Tim R Nagy, Gary R Hunter, Betty E Darnell, Donald D Hensrud and Heidi L Weiss 1 From the Departments [...]

Thyroid Hormone Concentrations

The Journal of Clinical Endocrinology & Metabolism 2005; 90(12):6403-6409 Thyroid Hormone Concentrations, Disease, Physical Function and Mortality in Elderly Men Annewieke W. van den Beld, Theo J. Visser, Richard A. Feelders, Diederick E. Grobbee, and Steven W. J. Lamberts Department of Internal Medicine (A.W.v.d.B., T.J.V., R.A.F., S.W.J.L.), Erasmus Medical Center, 3000 CA Rotterdam, The Netherlands; and Julius [...]

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