Amangqamuzana omzimba angaphakathi ayingxenye encane encane ebizwa ngokuthi i-mitochondria (iningi elingu-1 000 iseli ngalinye). I-Mitochondria ikhiqiza amandla amaseli ethu adinga ukukhula nokusebenza. Uma i-mitochondria ibonakalisiwe noma ingasebenzi, amangqamuzana abakwazi ukufeza imisebenzi yabo futhi bangalimala noma bafe. Lezi zisele ezilimazayo noma ezingasebenzi kahle ekugcineni zibangelwa isifo se-mitochondrial.
Isifo se-Mitochondrial singaba nzima ukuyihlolisisa ngoba lesi sifo singabonisa ngezimpawu eziningi ezihlukahlukene, kusukela ekuncipheni kuze kube nzima. Kunezinhlobo eziningi zezinhlobo ezahlukene zezifo ze-mitochondrial. Uhlobo oluncike kuncike kulawo amangqamuzana athintekile. Izinkinga zingase ziqale lapho zizalwa noma zenzeka kamuva. Amacala amaningi atholakala ngesikhathi esengumntwana, nakuba amacala omuntu omdala aqala ukuvama. Isifo se-Mitochondrial sisithinta phakathi kwabangu-Amamerika base-40,000 nabangu-70,000, okwenzeka komunye kwababelethi abangu-2 500 kuya ku-4 000.
Isifo se-Mitochondrial yisimo sezakhi zofuzo . Lesi sifo singathola ifa lakho kubazali bakho noma umphumela wokuguquka okungahleliwe ku-DNA yakho. I-Mitochondria ingalimala futhi ekusebenziseni izidakamizwa noma ukulimala okubangelwa ama-radicals mahhala (ama-molecule awonakalisayo). Inani elikhulu lokuguquka kwezakhi zofuzo lingabangela lesi sifo. Noma kunjalo, ukuguqulwa okufanayo kubantu ababili abahlukene kungase kungabonakali izimpawu ezifanayo.
Izimpawu Nezibonakaliso
Ngenxa yokuthi i-mitochondria ikhona ngamaphesenti angu-90 amangqamuzana ethu, izitho ezihlukahlukene zingathinteka kuhlanganise nobuchopho nemisipha. Izindlela ezithintekayo kakhulu ziyizobuchopho, inhliziyo, isibindi, imisipha yamathambo, izinso, kanye ne-endocrine nezinhlelo zokuphefumula. Izimpawu oncike kuzo ukuthi yiziphi amaseli nezitho ezithintekayo, lezi zingafaka:
- Ubuchopho: ukubambezeleka kokuthuthukiswa, ukuphuza kwengqondo, ukugubha , ukucindezeleka kwengqondo
- Imizwa: ubuthakathaka, ubuhlungu
- Imisipha: ubuthakathaka, ithoni ephansi, ukuchoboza, ubuhlungu
- Isifo senhliziyo
- Amehlo: ukuguqulwa , ukulahlekelwa kombono
- Isifo sezinso
- Izinkinga zokuphefumula
- Ukuzwa ukulahlekelwa
Ezinye izimpawu zihlanganisa ukuphazamiseka kwemathunjini , ubunzima bokugwinya, isifo senhliziyo, isifo sesibindi, isifo sikashukela , i-lactic acidosis, kanye nethuba lokuthola izifo. Ezinganeni, lesi sifo singabangela nokukhula okuphuthumayo nokuthuthuka kokuthuthukiswa. Ukuthola isifo se-mitochondrial kuvame ukuba nzima ngoba izimpawu ziyahlukahluka futhi zingalingisa ezinye izimo. Ukubandakanyeka kwezinhlelo eziningi zegciwane, izindawo ezintathu noma ngaphezulu, ngokuvamile kubonisa isifo se-mitochondrial.
Ukwelapha
Amacala amaningi wesifo se-mitochondrial angatholakala nge-muscle biopsy. Ezinye izinketho zokuhlola zihlanganisa ukuhlolwa kwegazi , ukuhlolwa kofuzo , nokuhlolwa kwe-enzyme. Ama-biopsies we-muscle nokunye ukuhlolwa kungabiza kakhulu, okwenza ukuthi izinkinga zitholakale ekubonisweni komtholampilo kuphela.
Akukho ukwelashwa kwesifo se-mitochondrial. Ezinye izithako-thiamine ( B1 ), riboflavin (B12), i- vitamin C , i-vitamin E, i- Lipoic acid , ne- coenzyme Q10- ingasiza ekuphatheni izici ezithile zesifo. Ukugwema ukucindezeleka kungasiza ekunciphiseni izimpawu.
Abacwaningi okwamanje babheka izidakamizwa ezizovimbela i-lactic acid buildup ehambisana nesifo se-mitochondrial. Abanye bazama ukudla okuncane kakhulu kwe-carbohydrate ukuze banciphise umsebenzi wokusebenza mitochondria.
Ukuxhumanisa Ukukhubazeka Kwemitochondrial Kwezinye Izifo
Abacwaningi bacwaninga isifo se-mitochondrial ukuze uthole izifo kwezinye izimo ezifana nomdlavuza, isifo sika-Parkinson, izifo ze- Alzheimer , nesifo senhliziyo. Ukulimala kwe-mitochondria kucatshangwa ukuthi kuhlotshaniswa nazo zonke lezo zimo. Ukulimala kwe-mitochondrial kungase kuyingxenye yokuguga.
> Imithombo:
> Foreman, J. Izifo zingathinta amandla esitokisini zethu. I-Boston Globe , ngo-June 17, 2003.
> I-United Mitochondrial Disease Foundation.