Triiodothyronin (T3) omdannet af syntetisk L-thyroxin kan ikke trænge igennem blod-hjernebarrieren, iflg. nyeste svensk forskning.

L-thyroxine treatment in primary hypothyroidism does not increase the content of free triiodothyronine in cerebrospinal fluid: A pilot study
Scandinavian Journal of Clinical & Laboratory Investigation
February 2011, Vol. 71, No. 1 , Pages 63-67 (doi:10.3109/00365513.2010.541931)
Stefan Sjöberg, Mats Eriksson, Sigbritt Werner, Per Bjellerup & Conny Nordin

Department of Medicine, Karolinska Institutet, Karolinska University Hospital, Stockholm
Department of Medicine, Central County Hospital Halmstad, Halmstad
Linköping University, Department of Laboratory Medicine, Karolinska Institutet
Clinical Research Centre Västerås Hospital, Västerås
Faculty of Health Sciences, Department of Clinical and Experimental Medicine, Psychiatry Section, Linköping, Sweden
‡Professor Nordin died on 8 July 2008
Correspondence: Stefan Sjöberg, MD, Associate Professor, Department of Medicine, Halmstad County Hospital, SE-301 85 Halmstad, Sweden. Tel: +46 35131000. E-mail: stefan.sjoberg@ki.se

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