@EllaJoSa Das ist natürlich Unsinn. #TRH- und #TSH-produzierende Zellen integrieren viele verschiedene Eingangssignale. Außer bei einer #Hyperthyreose kann TSH z. B bei Thyreotoxicosis factitia, thyreotroper Insuffizienz und bei TACITUS niedrig sein. Abbil
@dr_kevinlee The papers discuss circannual rather than circadian variation. Of course, there is also a circadian rhythm in both TSH and (F)T3 concentration (but not in FT4 levels). The variation in FT3 is mediated by the TSH-T3 feedforward control. https:/
RT @drjwdietrich: @dr_kevinlee @EsePresident Thanks. This is the result of the TSH-T3 feedforward control, aka TSH-T3 shunt. See https://t.…
@dr_kevinlee @EsePresident Thanks. This is the result of the TSH-T3 feedforward control, aka TSH-T3 shunt. See https://t.co/2UvZLxgmG6 or https://t.co/EUqdheBXIS for background information.