甲状腺激素(jīsù)和抗甲状腺药Thyroidhormonesandantithyroiddrugs北京(běijīnɡ)协和医学院基础医学院药理学系叶菜英第一页,共三十四页。SummaryThyroidhormones第二页,共三十四页。ThyroidhormonesThyroxine,T4第三页,共三十四页。抗甲状腺药分为4类:硫脲类Thiourea第四页,共三十四页。硫脲类硫氧嘧啶类(thiouracil):•甲基硫氧嘧啶(methykthiouracil)第五页,共三十四页。ThyroidhormonesareiodicaminoacidsThyroidhormones第六页,共三十四页。甲状腺激素(jīsù)的化学结构第七页,共三十四页。Physiologicaldispositionofthyroidhormones第八页,共三十四页。Synthesis,storageandregulationofthyroidhormonesIodineuptakeIodineactivationandtyrosineiodation第九页,共三十四页。Stepsofthyroidhormonessynthesis,releaseandregulation()ⅠIinbloodcanbeuptakenintocellsbyiodinepumpintheadenocytemembrane.Theaminoacidscanbeusedtosynthesizethyroidglobulinincells.第十页,共三十四页。Condensationandstorage:Inthethyroidglobulinmolecule,twoDTTsarecondensedtoT4,oneDTTandoneMITarecondensedtoT3,whichareallstoredinglandalveoluscolloid.Stepsofthyroidhormonessynthesis,releaseandregulation()Ⅱ第十一页,共三十四页。Synthesis,storageandreleaseofthyroidhormoneGastrointestinalI-GastrointestinalI-BloodI-BloodI-I-I-PeroxidaseIoIoTGTGTyrIodationMITMITDITDITCon-den-sationMIT+DITDIT+DITT3T3T4T4TGTGAcinarluminaStorageSynthesisReleaseActivationProteaseT3T3T4T4MIT一碘酪氨酸DIT二碘酪氨酸TG甲状腺球蛋白bloodblood第十二页,共三十四页。ThyroidhormonesMechanismofaction第十三页,共三十四页。Mechanismofaction(figure)Thyroidhormones第十四页,共三十四页。PhysiologicalandpharmacologicalactionsKeepnormalgrowthanddevelopment第十五页,共三十四页。ThyroidclinicalapplicationReplacementtherapymainlyTherapyanddiagnosisApplication第十六页,共三十四页。AdverseeffectsAdverseeffectOverdoseCombinationContraindicationhyperthyreosisoldpeopleheartdiseasebishydroxycoumarindantinaoraspirindiabeteshypertensionCoronaryheartdiseasepyknocardiathyroidcrisis:anxiety,fear,restlessness,highbodytemperature,increaseandirregularheartrate,increase...