TT4 pahu ho'āʻo

ʻO Thyroxine (T4), a i ʻole 3,5,3',5'-tetraiodothyronine, he hormone thyroid me ke kaumaha molekala ma kahi o 777Da i hoʻokuʻu ʻia i loko o ke kaʻa ma ke ʻano manuahi, me ka 99% i hoʻopaʻa ʻia i nā protein i loko o ka plasma a liʻiliʻi loa o ka T4 manuahi (FT4) i hoʻopaʻa ʻole ʻia i nā protein i loko o ka plasma.ʻO nā hana nui o T4 ka mālama ʻana i ka ulu a me ka hoʻomohala ʻana, ka hoʻoikaika ʻana i ka metabolism, ka hana ʻana i nā hopena neurological a me ka cardiovascular, ka hoʻoulu ʻana i ka ulu ʻana o ka lolo, a he ʻāpana ia o ka ʻōnaehana regulatory hormone hypothalamic-pituitary-thyroid, he kuleana i ka hoʻoponopono ʻana i ka metabolism o ke kino.ʻO ka TT4 e pili ana i ka huina o thyroxine manuahi a paʻa i ka serum.Hoʻohana ʻia ka hoʻāʻo TT4 ma ke ʻano he hōʻailona kōkua o ka maʻi thyroid, a ʻike pinepine ʻia kona piʻi ʻana i ka hyperthyroidism, subacute thyroiditis, high serum thyroxine-binding globulin (TBG), a me ka maʻi maʻi thyroid hormone insensitivity;ʻike ʻia kona emi ʻana i ka hypothyroidism, thyroid deficiency, chronic lymphoid Goiter, etc.