I-Mitochondria ibaluleke kakhulu njengesixhobo samandla eeseli zomzimba wethu, inika amandla amakhulu ukugcina intliziyo yethu ibetha, imiphunga yethu iphefumla kwaye imizimba yethu isebenza ngokuhlaziya imihla ngemihla. Nangona kunjalo, ngokuhamba kwexesha, kunye nokwaluphala, izakhiwo zethu ezivelisa amandla, i-mitochondria, ziba semngciphekweni wokonakala kwaye zilahlekelwe ngamandla azo okusebenza ngokufanelekileyo. I-mitochondria esebenza ngokupheleleyo ibalulekile ebomini bomntu. Nangona kunjalo, i-mitochondria ikwasemngciphekweni wokonakala okuvela kwimithombo eyahlukeneyo, kubandakanya uxinzelelo lwe-oxidative, ukudumba, kunye neetyhefu zokusingqongileyo. Ezi zinto zinokubangela umonakalo kwi-mitochondrial DNA, zithintele amandla azo okuvelisa i-ATP kunye nezinye izinto ezibalulekileyo.
Ngethamsanqa, imizimba yethu isusa ngokukhetha i-mitochondria eyonakeleyo nengasebenzi kakuhle kwiiseli zethu ngokusebenzisa i-mitochondrial autophagy ukuze kugcinwe impilo engcono kwaye kuthintelwe ezinye iziphumo ezimbi zale mitochondria yonakeleyo, ngokutsho kwezifundo ezibonisa ukuba inkqubo ye-mitochondrial autophagy inendima ekulweni nokwaluphala. Masiqonde unxibelelwano phakathi kwe-mitochondria kunye nokulwa nokwaluphala!
Zithini iindima ze-mitochondria?
I-Mitochondria zi-organelles ezibalulekileyo ezivelisa amandla kwiiseli zethu. Indima yazo ephambili kukuvelisa i-adenosine triphosphate (ATP), eyimali yamandla kwiiseli zethu. Okukhona sine-mitochondria eninzi, kokukhona sinokuvelisa i-ATP eninzi, nto leyo ekhokelela ekwandeni kwamandla kunye nokuncipha kokudinwa. Phakathi kwemisebenzi ephambili edlalwa yile:
(1)ukubonelela ngamandla kunye nezinto ezinceda umzimba ukuba ukhule
(2)I-Mitochondrial autophagy iyayibona i-mitochondria eyonakeleyo kwaye iyisuse ngokukhetha, kwaye ukususwa kwezi mitochondria zonakeleyo kukhuthaza ukwenziwa kwe-mitochondria entsha.
(3)Inokudlala indima ekuthinteleni ukufa kweeseli ngokususa i-mitochondria
(4)Kuye kwanxulunyaniswa nophuhliso lweengxaki ezahlukeneyo zempilo, kuquka isifo sentliziyo, izifo eziwohlokayo kwimithambo-luvo kwanezinye iintlobo zomhlaza.
Yintoni enxulumeneyo phakathi kwe-mitochondria kunye nokulwa nokwaluphala?
Izifundo zibonise ukuba njengoko sikhula, ukuhlanjululwa kwe-mitochondrial autophagy kuyaphazamiseka, nto leyo ethetha ukuba iiseli ze-mitochondrial azikwazi ukusombulula imisebenzi yazo. Ngaphandle kweendlela zokulawula umgangatho eziphuculweyo ezifana ne-mitochondrial autophagy, umonakalo weeseli unokukhawuleziswa.
Kwizifundo zezilwanyana, ubomi obude bubonwe xa kubonakaliswa izakhi zofuzo ezilawula i-mitochondrial autophagy, nto leyo ebonisa ukuba i-mitochondrial autophagy kunye nobomi obude ziyahambelana. Ukongeza, i-mitochondrial autophagy engasebenzi kakuhle idla ngokubonakala kwizifo ezininzi ezinxulumene nobudala, kubandakanya isifo sikaParkinson kunye nesifo sika-Alzheimer, isifo sentliziyo, kunye nomhlaza, nto leyo ebonisa ukuba ukungenelela okujolise kwi-mitochondrial autophagy kunokuba nendima ekuthinteleni nasekunyangweni kwezifo. Ekugqibeleni, isitshixo sokwaluphala kakuhle sixhomekeke ekuqondeni nasekuxhaseni iinkqubo ezintsonkothileyo ezigcina umzimba usebenza. Ngokusebenza ukukhuthaza i-mitochondrial autophagy enempilo kunye nokwenza ukhetho lwendlela yokuphila olubeka phambili impilo-ntle yethu, sinokuvula iimfihlo zobomi obude nobunempilo!
Indlela yokwandisa i-autophagy ye-mitochondrial
(1)Cinga ngokuzila ukutya okuncinci kunye nokunciphisa iikhalori
Izifundo zibonise ukuba i-mitochondrial autophagy inokukhuthazwa ziindlela ezahlukeneyo zokuphila. Umzekelo, ukuzilolonga kubonisiwe ukuba kwandisa i-mitochondrial autophagy, ngaloo ndlela kuphucula ukusebenza kwe-mitochondrial. Ukongeza, iindlela zokutya ezifana nokuzila ukutya okukhawulezileyo okanye ukunciphisa iikhalori nazo zinokukhuthaza i-mitochondrial autophagy, nto leyo ekhokelela ekwandeni kwe-mitochondria esempilweni.
(2)Ukuzilolonga okungaqhelekanga
Ukuzilolonga yeyona ndlela ilula nelula ukuyilandela. Kunokukhuthaza impilo nokuphila ixesha elide kunye nokuphucula ukusebenza kwe-mitochondrial kunye nokukhuthaza i-mitochondrial autophagy, ngoko ke ukuzilolonga kunokucwangciswa ngokufanelekileyo kunye noqeqesho lwamandla, i-aerobic kunye nokunyamezela ukuze kwandiswe i-mitochondrial autophagy.
(3)I-Urolithin A yimolekyuli ebangela i-autophagy ye-mitochondrial
I-Urolithin A yi-metabolite compound eveliswa kukuguqulwa kwe-ellagic tannins yi-intestinal bacteria. Izinto ezizandulelayo yi-ellagic acid kunye ne-ellagitannin, enokufumaneka kwizityalo ezininzi ezityiwayo, ezifana ne-pomegranate, i-strawberries, i-raspberries, i-walnuts, njl.njl., kodwa ayikuko ukuba ikhona ekutyeni, kuba ziintsholongwane ezithile kuphela ezinokuguqula i-ellagitannin ibe yi-urolithin. Kwaye i-urolithin A, i-organic compound eyenziwe ngezinto ezizandulelayo zokutya, yinto ebonakalisiweyo ukuba ibangela i-mitochondrial autophagy.
Ukubaluleka kwe-mitochondrial autophagy
I-Mitochondrial autophagy yinkqubo yendalo nebalulekileyo enceda ukugcina i-mitochondria esempilweni ngaphakathi kweeseli zethu. Le nkqubo ibandakanya ukuchonga i-mitochondria eyonakeleyo okanye engasebenzi kakuhle kunye nokuyisusa ngokukhetha kwiseli ukuze kuvulwe indlela yokuba i-mitochondria entsha, esebenzayo ithathe indawo yayo. Kwangaxeshanye, inkqubo ye-mitochondrial autophagy inceda ukuqinisekisa ukuba amanqanaba amandla emizimba yethu ahlala ezinzile kwaye iiseli kunye nezicubu zethu zihlala ziphilile kwaye zisebenza.
Ukuqukumbela, ukugcina i-mitochondria esempilweni kubalulekile kwimpilo yethu iyonke kunye nokuphila kakuhle, kwaye iiseli zethu ziye zaphuhlisa inkqubo ebizwa ngokuba yi-mitochondrial autophagy ukuqinisekisa ukuba sinobonelelo oluqhubekayo lwe-mitochondria enempilo. Nangona kunjalo, iindlela zokuphila (ezifana nokuzilolonga) kunye neendlela zokutya (ezifana nokutya kwe-ketogenic) kunye nokusetyenziswa kwezongezo zinokuxhasa ukusebenza kwe-mitochondrial kwaye zincede ekuthinteleni izifo ezinxulumene nokwaluphala. Ngokunyamekela i-mitochondria yethu, sinokuqinisekisa ukuba sinamandla kunye namandla esiwadingayo ukuze siphile ubomi obupheleleyo.
Ukongeza, singayazi ngokucacileyo ikhonkco phakathi kwe-mitochondria kunye nokulwa nokuguga, njengoko sikhula, inkqubo ye-mitochondrial autophagy iyaphazamiseka, oko kukuthi, ikhokelela ekuqokeleleni kwe-mitochondria kwiiseli, apho ukuzila ukutya, ukunqunyulwa kweekhalori, i-urolithin A, njl. kunokubangela i-mitochondrial autophagy kwaye kunokuphucula impilo kunye nokulwa nokuguga, apho zombini i-NAD+ kunye ne-urolithin A zinegalelo ekuvelisweni kwe-mitochondria entsha ngenkqubo ebizwa ngokuba yi-biogenesis process ebizwa ngokuba yi-biogenesis; nangona kunjalo, i-urolithin A inomnye umsebenzi obalulekileyo. Iphucula inkqubo ebizwa ngokuba yi-mitochondrial autophagy, apho i-mitochondria eyonakeleyo isuswa kwaye iphinda isetyenziswe ibe yi-mitochondria entsha, esebenza ngcono. Abantu abaninzi ebomini bethu basenokungakwazi ukuqhubeka nokuzilolonga ixesha elide, kodwa imveliso ebalaseleyo esiyinikezelayo, i-Urolithin A, inokubonelela ngempilo efanelekileyo.
Q: Ngaba kukho ukutya okuthile ebomini bakho okunokukunceda uthintele ukwaluphala ngaphambi kwexesha?
A: Ewe, ezinye ukutya okutyebileyo kwii-antioxidants, iivithamini kunye neeminerali kunokunceda ukukhuthaza ulusu olusempilweni kunye nokucothisa inkqubo yokwaluphala. Imizekelo ibandakanya iziqhamo, imifuno, iiproteni ezingenamafutha kunye namafutha asempilweni.
Ixesha lokuthumela: Juni-01-2023
