Cov thyroid hormones yog muab los ntawm cov amino acid tyrosine thiab yog synthesized los ntawm sequential iodination ntawm tyrosine phenol rings Ua ntej, iodine ntxiv rau phenol nplhaib meta txoj haujlwm, ua rau monoiodotyrosine. Yog hais tias ib qhov chaw yog iodinated los yog diiodotyrosine yog tias ob qhov chaw yog iodinated.
Dab tsi yog qhov tseem ceeb hauv kev tsim cov thyroid hormone?
Rau cov thyroid hormone synthesis, txaus txaus ntawm cov thyroid caj pas nrog tseem ceeb micronutrients xws li iodine thiab selenium yog qhov tseem ceeb.
Qhov kev sib txuas ntawm cov thyroid hormone nyob qhov twg?
Thyroid hormone biosynthesis tshwm sim ntawm qhov chaw apical ntawm polarized thyroid follicular cells thiab xav tau txoj hauv kev sib xyaw ua ke uas suav nrog cov khoom thauj khoom, enzymes thiab thyroglobulin nrog rau kev noj zaub mov txaus iodide (Fig. 2).
Cov hlwb twg tsim cov thyroid hormones?
Cov thyroid hormones (T4 thiab T3) yog tsim los ntawm cov hlwb follicular ntawm cov thyroid caj pasthiab raug tswj los ntawm cov thyroid-stimulating hormone secreted los ntawm lub caj pas anterior pituitary.
Lub luag haujlwm tseem ceeb ntawm cov thyroid hormone yog dab tsi?
Cov thyroid hormones cuam tshuam rau txhua lub cell thiab tag nrho cov kabmob ntawm lub cev. Lawv: Tswj tus nqi uas calories hlawv, cuam tshuam qhov hnyav lossis hnyav nce. Ua kom qeeb lossis ua kom lub plawv dhia nrawm.
