Amaseli, afana nalawo emzimbeni womuntu, adinga indlela yokuxhumana nokuxhumana nezinto ezifana nama-hormone, izidakamizwa, noma ngisho nokukhanya kwelanga. Yilapho izamukeli zamaselula zingena khona.
I-receptor iyi-molecule yamaprotheni esitokisini noma ngaphezulu kweseli lapho into (njengamahomoni, izidakamizwa, noma i-antigen) ingahlanganisa, ibangele ushintsho emsebenzini walolo hlobo oluthile.
Nansi indlela eyodwa yokucabanga ngalokhu: i-receptor ifana nokukhiya, ngenkathi into ebophezela kuyo iyisihluthulelo kulowo mkhiqizo. Izinto ezimele kuphela ukulingana ne-receptor "lock" zingabopha kwamukeli othile.
Izinto ezibophezela kuma-receptors amangqamuzana angatshela iseli ukuthi likhiqize into ethile (njengehomoni eyenza uzizwe ugcwele ngemva kokudla okukhulu), ukuhlukanisa ngokushesha (mhlawumbe kubangele ukwengeze amaseli emisipha emva kokuzivocavoca) noma ngisho nokufa ( izidakamizwa zamakhemikhali ezibophezela emdlalweni we-cancer cell receptors zingabonisa ukuthi lawo masosha omdlavuza ayazibhubhisa).
Ama-receptors amangqamuzana athile kakhulu futhi kukhona eqinisweni amakhulu ezinhlobo ezahlukene ze-receptors. Abaningi basabela ezintweni zamakhemikhali ezifana nama-hormone, izidakamizwa noma izilonda, kuyilapho abanye bephendula ngisho nokucindezela noma ukukhanya (umzimba wakho uveza i- vitamin D, "i-hormone yelanga" lapho ilanga lihlasela isikhumba sakho).
Kwezinye izimo, uma iseli lingenayo i-receptor efanele yezinto ezithile, leso sici ngeke sithinte iseli.
Isibonelo, i-leptin yi-hormone eyenza uzizwe ugcwele futhi uphelelwe ngemuva kokudla okukhulu. Amaseli angenayo i-receptors ye-leptin ngeke aphendule kulowo hormone, kodwa amaseli anemitholampilo ye-leptin azoyiphendula, avimbele ukukhululwa kwamanye amahomoni akwenza ufuna ukudla okwengeziwe.
Okuningi mayelana nendlela Abamukelayo Abasebenza ngayo
Abamukeli bangadlala indima emihle embi emzimbeni womuntu.
Esifweni se-celiac , isibonelo, ama-receptors kuma-cell immune system asebenza njengama-lock kanye neziqephu zeprotheni ye -gluten njengezihluthulelo, okubangela ukulimala kwamathumbu emathunjini okuthiwa yi- atrophy .
Amanye ama-receip receptors nawo abonakala enza indima ekwenzeni ukulimala kwezinye izifo ezizimele. Esifweni esizimele, amasosha omzimba wakho aphenduka ngokungahambi futhi awonakele amanye amangqamuzana omzimba wakho. Isifo se-Celiac yisifo esizimele.
Kodwa ekucindezelweni kwegazi eliphezulu, izidakamizwa zingakwazi ukulingana nezihluthulelo emitholampilo yamaselula okungenjalo angayifumana i-hormone ephakamisa ukucindezelwa kwegazi. Lezi zidakamizwa, ezaziwa ngokuthi ama-angiotensin-blockers ngoba zivimbela i-hormone angiotensin ye-blood-raising of the angiotensin, zingasiza ukulawula ingcindezi yakho yegazi ngokuvimbela ama-angiotensin ukuthi angasayineli amaseli akho ukuphakamisa ukucindezelwa kwegazi.
(Ehlelwe nguJane Anderson)