I-Adenosine ibalulekileyo yikhemikhali eyaziwa njenge-nucleoside ekhoyo ngokwemvelo kuwo onke amaseli omzimba. Isetyenziselwa ukudlulisa amandla ngaphakathi kweeseli ngokwenza iamolekyu njenge-adenosine triphosphate (ATP) kunye ne-adenosine diphosphate (ADP), kwaye nayo enye yezithunywa zamakhemikhali okanye i-neurotransmitters, ngaphakathi kwengqondo. Ukongezelela kwiminye imisebenzi eyahlukeneyo, i-adenosine ifumaneke ukuba i-painkiller yemvelo ephumelelayo, ikhulise imithana yegazi, kwaye inceda ukulawula isigqi senhliziyo.
Ibhunga lenza njani i-Adenosine?
I-Adenosine yenziwe ngokwemvelo emzimbeni ukususela kwi-adenine, i-nitrogen-based based substance, kunye ne-ribose, ushukela. Ukongezelela ekubeni yi-neurotransmitter, i-adenosine ibalwa njengemichiza ebizwa ngokuba yi-xanthine. Yonke iseli emzimbeni iqukethe i-adenosine equlethwe kwi-DNA ne-RNA.
I-Adenosine Impact Sleep?
I-Adenosine inomsebenzi obalulekileyo kwiinkqubo ezininzi ze-biochemical kwaye enye yezinto ezininzi ze-neurotransmitter kunye neuromodulators ezichaphazela ukuziphatha okubalulekileyo kokulala, ingakumbi ukuqaliswa kokulala. Kwingqondo, yintsholongwane ye-neurotransmitter, inentsingiselo yokuba iyinkqubo yesantya ephazamisayo kwaye inqanda iinkqubo ezininzi ezinxulumene nokuvuka. Nangona amaqondo avukekileyo e-adenosine ekhongeni aphakama nganye iyure kwaye ke ikholelwa ukuba yinoxanduva lokunyuka kwamazinga okulala ophuhlisa ixesha elide umntu ehlala ephapheme.
Ngethuba lokuvuka, amanqanaba e-adenosine ayanda kwimiba yengqondo ebalulekileyo ekukhuthazeni ukuvusa , ngokukodwa inkqubo esebenzayo yokusebenza kwi-brainstem. Ngamaqondo aphakamileyo aphezulu, i-adenosine inqanda ukuvusa kwaye ibangele ukulala. Emva koko, amanqanaba e-adenosine ayancipha ngexesha lokulala. Ngoko ke, izazinzulu ziye zatshintsha ixesha elide ukuba amazinga aphakamileyo e-adenosine ayenze kubangele ukulala.
Enyanisweni, i-caffeine efunyenwe kwikhofi, itiye, kunye nezinye izinto zokusela, i-xanthine khemikhali efana ne-adenosine kwaye isebenza ukuvimbela ubuthongo ngokuvimbela isenzo se-adenosine ngaphakathi kwengqondo, eyenza ivuseleleke. Ngamanye amazwi, xa usela i-caffeine, ufezekisa iimiphumo ezikhuthazayo ngokukhusela ingqondo yakho ye-adenosine.
Amanyathelo okulala
Nangona umntu elele, ingqondo yakhe isasebenza ngexesha leendidi ezahlukeneyo zokulala . Iindidi ezahlukeneyo zokulala zikhonza zonke iinjongo ezahlukeneyo zokuphumla nokuhlaziywa. Isigaba sokulala 1 sibonakaliswe ngengozi yokuvusa kalula; ngexesha lokulala kwesigaba 2, amagagasi eengqondo aqala ukuthoba kwaye ukunyuka kwemehlo kuyaphela; abantu kwisigaba se-3 ubuthongo bubonisa ukuqala kweengqumbo zengqondo ezipholileyo; kwisigaba se-4 ukulala, ugalelo lwengqondo olucotha kakhulu lugxininisa; kwinqanaba lesi-5, eyaziwa nangokuthi ubuthongo be-REM , amaphupha ayenzekayo, izitho zisesinye isikhashana zikhubazekile, amehlo agxeka ngokukhawuleza, kwaye ukuphefumula kuyaba nzima kwaye kuphefumle.
Isilinganiselo se-adenosine metabolism sibonakala sichaphazele ngokuthe ngqo okanye sichaze umgangatho wobuthongo obunzulu, abaphandi bafumene, kunye nokukhathazeka komntu ekulaleni ukulala.
Imithombo:
University of McGill. "Ubununu obuvela phezulu ukuya ngasezantsi"
ISahlulo seMithi yokulala kwi- Harvard Medical School. "IDrayivu yokulala kunye ne-Clock yangaphakathi"