Iiseli, ezinjengezo zomzimba womntu, zidinga indlela yokusebenzisana kunye nokuxubusha nezinto ezinjenge-hormone, iziyobisi, okanye ngisho nelanga. Yilapho i-receptors yeselula ingena khona.
I-receptor yi-molecule yeprotheni kwiseli okanye phezu kweseli apho into (njengehomoni, isiyilisi, okanye i-antigen) inokubopha, ibangele utshintsho kwimisebenzi yale yeseli ethile.
Nantsi enye indlela yokucinga ngale nto: i-receptor ifana nekhikhi, ngelixa into ebopha kuyo yinto engundoqo kweso sitshixo. Kuphela izinto ezisetyenziselwe ukulungelelanisa i-receptor "lock" ingabophela kwi-receptor ethile.
Iimpawu ezibophelelayo kwizifunyanwa kwiiseli zingatshela iseli ukuba ivelise into ethile (njengehomoni eyenza uzive ugcwele emva kwesidlo esikhulu), ukwahlula ngokukhawuleza (mhlawumbi kunokubangela ukuba ungeze iiseli zamascle emva kokusebenzisa umzimba) okanye nokuba ufe ( iziyobisi ze-chemotherapy ezibophelela kumdlavuza wamaseli ezinomhlaza zingabonisa ukuba loo maseli esifo somhlaza angayibhubhisa).
Amaseli 'amamkeli ayenemfuno kakhulu kwaye kukho ngokwenene amaqela eentlobo ezahlukeneyo zokufumana. Abaninzi basabela kwimithi yamachiza efana ne-hormone, iziyobisi okanye i-allergen, ngelixa abanye bathi baphendule kwixinzelelo okanye ukukhanya (umzimba wakho uvelisa i- vitamin D, "i-hormone yelanga " xa ilanga lishisa isikhumba sakho).
Kwezinye iimeko, ukuba iseli ayinayo i-receptor efanelekileyo yento ethile, ngoko loo nto ayiyi kuchaphazela iseli.
Ngokomzekelo, i-leptin yi-hormone eyenza uzive ugcwele kwaye uphawule emva kwesidlo esikhulu. Iiseli ezingenayo i-receptors ye-leptin aziyi kuphendula kuloo hormone, kodwa iiseli ezinemitholampi ye-leptin ziya kuyiphendula, zivimbele ukukhutshwa kwamanye amahomoni okwenza ufuna ukutya ngaphezulu.
Okunye malunga nendlela abaMkeli abaSebenza ngayo
Abamukeli bangadlala iindima ezilungileyo kunye ezimbi emzimbeni womntu.
Esi sifo se-celiac , umzekelo, ama-receptors kumaseli athile omzimba omzimba asebenza njengesihluthulelo kunye neengcezu zeprotheni ze -gluten zikhonza njengezihluthulelo, ezibangela umonakalo we-celiac obonakalayo njenge -atrophy .
Ezinye izixhobo zokufumana ii-cellular zibonakala zidlala indima ekwenzeni umonakalo kwezinye izifo ezizimele. Kwimeko yesifo sokuzimela, isistim somzimba sakho sokuzikhusela sisiguqule ngokugqithiseleyo kwaye silimaze ezinye zeeseli zomzimba wakho. Isifo seCeliac sisifo esizimele.
Kodwa kwixinzelelo eliphezulu legazi, iziyobisi zingamelana nezihluthulelo kwiimitholamli zamaseli ezingenakufumana i-hormone ephakamisa uxinzelelo lwegazi. Ezi zi yobisi, ezibizwa ngokuba yi-angiotensin-blockers kuba zivimba ukuxinzelelwa kwe-hormone angiotensin yegazi, zinokukunceda ukulawula uxinzelelo lwegazi ngokukhusela i-angiotensin ukuba ingayinanga iiseli zakho ukuphakamisa uxinzelelo lwegazi.
(Ehleliwe nguJane Anderson)