Hanyar aikin hormones na steroid

 KNOWLEDGE    |      2023-03-28

Ka'idar magana ta Gene. Hormones na steroids suna da ƙananan nauyin kwayoyin halitta kuma suna da lipid-soluble. Za su iya shiga sel da aka yi niyya ta hanyar yaduwa ko jigilar jigilar kaya. Bayan shigar da kwayoyin halitta, kwayoyin steroid suna ɗaure ga masu karɓa a cikin cytosol don samar da magungunan hormone-receptor, wanda zai iya jujjuyawar allosteric ta hanyar membrane na nukiliya a ƙarƙashin yanayin da ya dace da kuma Ca2 + shiga.

Bayan shigar da tsakiya, hormone yana ɗaure ga mai karɓa a cikin tsakiya don samar da hadaddun. Wannan hadaddun yana ɗaure ga takamaiman rukunin yanar gizo a cikin chromatin waɗanda ba tarihin tarihi ba, farawa ko hana tsarin rubutun DNA a wannan rukunin yanar gizon, sannan yana haɓaka ko hana samuwar mRNA. A sakamakon haka, yana haifar da ko rage haɗin wasu sunadaran (mafi yawa enzymes) don cimma tasirin ilimin halitta. Kwayoyin kwayoyin halittar hormone guda ɗaya na iya haifar da dubban ƙwayoyin sunadaran sunadaran, don haka cimma ingantaccen aikin hormone.

Amsar Hormone A lokacin aikin tsoka, matakan hormones daban-daban, musamman waɗanda ke motsa samar da makamashi, suna canzawa zuwa digiri daban-daban kuma suna shafar matakin rayuwa na jiki da matakin aiki na gabobin daban-daban. Auna matakan wasu hormones a lokacin motsa jiki da bayan motsa jiki da kwatanta su da kyawawan dabi'u ana kiransa amsawar hormonal ga motsa jiki.

Hormones masu saurin amsawa, IRIN SU EPINEPHRINE, NOrepINEPHRINE, CORTISOL, da ADRENOCORTICOTROPIN, ANA Ɗaukaka GASKIYA A CIKIN plasma NAN NAN BAYAN motsa jiki kuma suna girma cikin kankanin lokaci.

Matsakaicin hormones masu amsawa, irin su aldosterone, thyroxine, da pressor, suna tashi a hankali kuma a hankali a cikin jini bayan fara motsa jiki, suna kaiwa kololuwa cikin mintuna.

Hormones masu saurin amsawa, irin su hormone girma, glucagon, calcitonin da insulin, ba sa canzawa nan da nan bayan fara motsa jiki, amma sannu a hankali suna ƙaruwa bayan minti 30 zuwa 40 na motsa jiki kuma su kai kololuwa a wani lokaci.