Sel, kamar su a cikin jikin mutum, suna buƙatar hanyar yin hulɗa da sadarwa tare da abubuwa kamar hormones, kwayoyi, ko ma hasken rana. Wannan shine inda masu karɓar salula suka shiga.
Wani mai karɓa shine ƙwayar sunadaran kwayar halitta a cikin tantanin halitta ko a saman wani tantanin halitta wanda abu (kamar hormone, magani, ko antigen) zai iya ɗaure, haifar da canji a cikin aikin wannan tantanin halitta.
Ga wata hanyar yin la'akari da wannan: mai karɓa yana kama da kulle, yayin da abu wanda ke jingina shi shine maɓallin kulle. Abubuwan da ke ƙira don dacewa da "ƙulle" mai karɓa zai iya ɗaura zuwa wani mai karɓa.
Abubuwan da ke damun masu karɓa a kan kwayoyin halitta zasu iya fada wa tantanin halitta don samar da wani abu na musamman (kamar hormone wanda ke sa ka ji cike bayan babban abincin), don raba sauri (watakila sa ka kara yawan kwayoyin halitta bayan motsa jiki) ko ma ya mutu ( kwayoyin cutar shan-jijiyar da aka ɗauka ga masu karɓar kwayar cutar cancer zai iya sigina waɗannan kwayoyin cutar kanjamau don hallaka kansu.
Masu karɓar salula suna da ƙwarewa sosai kuma akwai gaskiyar daruruwan nau'o'in masu karɓa. Yawancin maganin abubuwan sunadarai irin su hormones, kwayoyi ko allergens, yayin da wasu ma sun amsa da matsa lamba ko haske (jikinka yana samar da bitamin D, "sunshine hormone" lokacin da hasken rana ya fado jikinka).
A wasu lokuta, idan kwayar halitta ba ta da mai karɓa ta atomatik ga wani abu ɗaya, to, wannan abu ba zai shafi kwayar halitta ba.
Alal misali, leptin shine hormone wanda ke sa ka ji cike da wadata bayan bin babban abinci. Sel da ba su da masu karɓa don leptin ba za su amsa wannan hormone ba, amma kwayoyin da suke da masu karɓa don leptin za su amsa da shi, su hana sakin sauran kwayoyin da suke sa ku so ku ci.
Karin bayani game da yadda masu karɓa na aiki
Masu karɓa zasu iya taka rawa da kyau a cikin jikin mutum.
A cikin cutar celiac , alal misali, masu karɓa a kan wasu kwayoyin halitta ba tare da amfani ba sun zama makullin, ɓoyewar lalacewar launi na celiac wanda aka sani da atrophy maras kyau .
Wasu masu karɓar salula sun bayyana suna taka muhimmiyar rawa wajen haifar da lalacewa a wasu cututtuka na autoimmune. A cikin wani cutar ta jiki, ƙwayoyinku na yaudara suna juyawa kuma suna lalata wasu ɓangaren jikin ku. Celiac cutar ita ce cututtuka.
Amma a cikin hawan jini, kwayoyi zasu iya zama kamar mabuɗin cikin masu karɓar salula wanda in ba haka ba zai dace da hormone wanda ya kawo karfin jini. Wadannan kwayoyi, wanda aka sani da angiotensin-blockers saboda sun kariya da cutar jini na hawan jini, suna iya taimakawa wajen sarrafa karfin jini ta wajen hana angiotensin daga siginan jikinka don tayar da karfin jini.
(Edited by Jane Anderson)