I-senescence ngokwezwi nezwi ithetha "inkqubo yokukhula." Kuchazwe njengethuba lokuncipha okuthe gqolo elilandela isigaba sokuphuhlisa ebomini bendalo. Ngoko ubunzima bebantwini buza kuqala ngexesha lakho kwi-20s yakho, ekuphakameni kwamandla akho emzimbeni, kwaye uqhubeke nobomi bakho bonke.
Igama elithi "senescence" livela kwisiLatin elithi senex, elithetha "ukuguga." Kwixesha elide kunye nempilo yokuguga , u-senescence ukuhla kwezempilo kunye nomsebenzi ophathelene nokuguga.
Kukho amanyathelo athile aphantsi ayeza kuvela, kubandakanywa nesesencence yamaselula kunye nobunzima bendalo .
Yintoni iSeenscence Cellular?
Xa iiseli zilahlekelwa amandla okuhlula ngenxa yomonakalo we-DNA okanye ukunciphisa i- telomeres , zihamba ngenguqu ekhokelela ekunciphiseni okanye ekutshatyalaliswa. Iiseli ziza kubhubha (zibizwa ngokuba yi- apoptosis ) okanye ziya kwixesha lokuncipha (elibizwa ngokuba yi- senescence ).
Isiphumo sokuphela kwesiphumo sokufa kwesisele, esiyinxalenye eqhelekileyo yokusebenza kwezinto eziphilayo kwaye senziwa rhoqo emzimbeni wakho.
Iiseli zomhlaza zicinga ukuba ziseli ezingasayi kuqhubeka nenkqubo yesantya, kwaye ziqhubeke nokuphinda ziphendule kwaye zidale iingxaki (kunye nezihlamba). Enyanisweni, abaphandi basebenzela ukuphucula imithi eyenza iiseli zomhlaza ziqalise ukuguga njengezinye iiseli eziqhelekileyo - ngamanye amazwi, izazinzulu zifuna ukunyusa i-senescence eqhelekileyo kule seli njengendlela yokulwa nomhlaza.
IQumrhu Lakho kunye neSenence
Nangona i-celester senescence ingaba yinto entle kuba iiseli zihlala zithatha indawo yazo, umzimba wakho ekugqibeleni ungena kwixesha lokuncipha elibizwa ngokuba yi- senescence yezinto eziphilayo (ngamanye amagama, ubuhlungu besimo somzimba).
Njengoko ndithe ngasentla, le nkqubo iqala xa umzimba wakho uphuhliswa ngokupheleleyo kwaye unamandla amakhulu, kwaye uyaqhubeka ebomini bakho bonke.
Kulo hlobo lwesantya, umonakalo oqokelelwe emzimbeni wakho uqala ukuphazamisa amandla omzimba wokusebenza. Ukuphazamiseka kubangelwa imiphumo esiyidla ngokudibanisa nokuguga.
Ubude obude, Ukuguga okunempilo kunye neSenence
INzululwazi ayifumananga indlela yokuphazamisa inkqubo ye-senescence njengoko ihambelana nabantu, kwaye abanye abaphandi (nangona kungengabo bonke nangayiphi na indlela) baphikisa ukuba asisoze sakwazi ukuwuyeka.
Kodwa sinokuyicotha. Umnqweno wakho, ngoko ke, kukunciphisa inkqubo yesenescence ngangokunokwenzeka. Unokwenza oku:
- Ukutya ukutya okunempilo: Oku kunika umzimba wakho izondlo ezifunekayo ukulungisa umonakalo kunye nokulwa nomonakalo ozayo.
- Ukunciphisa uxinzelelo: Oku kukuthintela umonakalo ode kwixesha elide ukusuka kuma-hormone oxinzelelo kunye nesimo somzimba abayidalayo.
- Ukuphepha Ukubonakaliswa Kwezinto Eziphazamisayo: Olu luncedo lunciphisa umlinganiselo wonakalo emathanjeni omzimba wakho. Gwema ukugqithisa ukukhanya kwe-UV, ukucoceka, kunye neesxibisi.
- Ukusebenzisa okungakumbi: Oku kunceda umzimba wakho ukuba wakhe izicubu ezinamandla ezichasayo umonakalo.
- Ukukhusela izifo: Jonga ugqirha wakho ukuze uhlolisise rhoqo kwaye ugcine uxinzelelo lwegazi, ubunzima kunye nezinye izinto ezinobungozi phantsi kolawulo.
Imithombo:
ICampisi J. Ukuguga, isisensence yeselula kunye nomhlaza. Ukuhlaziywa koNyaka kwePhysics. 2013: 75: 685-705.
Dimri GP et al. Yintoni inentsholongwane eyenziwa ngumhlaza? Cell Cancer. 2005 Juni; 7 (6): 505-12.