Ese wigeze wibaza uburyo ibara ry'uruhu rwawe, ibara ry'umusatsi wawe, n'ibara ry'amaso bigenwa? Hari abantu bafite uruhu rwijimye, abandi bafite uruhu rworoshye. Hari n'abafite umusatsi w'umukara, abandi bafite umusatsi w'umukara. Ni iki gitera iri tandukaniro ry'amabara? Ikintu nyamukuru gitera ibi byose cyitwa "melanin." Uyu munsi, tugiye kuvuga kuri iki kintu gitangaje mu mibiri yacu cyitwa melanin.
Melanine ni iki mu by'ukuri?
Muri make, melanin ni ibara riboneka mu mibiri yacu. Ni ikintu gitanga ibara ku ruhu rwacu, umusatsi n'amaso. Rikorwa n'ubwoko bwihariye bw'uturemangingo mu mibiri yacu bwitwa "melanocytes." Igitangaje ni uko twese dufite umubare ungana w'uturemangingo twa melanocytes mu mibiri yacu. Ariko, ingano ya melanin ikorwa n'utwo turemangingo iratandukanye bitewe n'umuntu ku wundi.
- Niba utanga melanin nkeya cyane: Uruhu rwawe, umusatsi wawe n'amaso yawe bishobora kuba byoroshye cyane.
- Iyo ukoze melanin nyinshi: Uruhu rwawe, umusatsi wawe n'amaso yawe bizahinduka umwijima.
Ingirabuzimafatizo zawe zigira ingaruka ku rugero rwa melanin umubiri wawe ukora. Niyo mpamvu ibara ry'uruhu rwawe rishobora guterwa n'ibara ry'uruhu rwa nyoko na so.
None se iyi melanin iri he mu mubiri wacu?
Uturemangingo dukora melanin tuboneka ahantu henshi mu mubiri wacu.
- Mu gice cy'inyuma cy'uruhu rwacu
- Mu bice by'ijisho nko mu mboni no mu nda y'amaso
- Mu musatsi wacu
- Mu bice bimwe na bimwe by'imbere mu gutwi
- Mu bice bimwe na bimwe by'ubwonko n'imyanya y'inkende
Ni ubuhe bwoko bw'ingenzi bwa melanin?
Hari ubwoko butatu bw'ingenzi bwa melanin mu mibiri yacu. Numaze kumenya bike kuri ibi, uzasobanukirwa ibanga ry'amabara yacu.
| Ubwoko bwa Melanine | Ibisobanuro n'imikorere |
|---|
| Eumelanin | Ibi nibyo bituma uruhu rwacu, umusatsi n'amaso yacu biba amabara yijimye . Hari ubwoko bubiri bw'ibi, umukara n'umukara. Niba umusatsi wawe ari umukara, biba ari uruvange rwa eumelanin y'umukara n'umukara .Umusatsi w'umuhondo ukorwa n'ingano nto ya eumelanin y'umuhondo kandi nta eumelanin y'umukara irimo. Ubwo bwoko bufasha cyane mu kurinda uruhu izuba. |
| Feomelanin | Ubu bwoko buha ibara ibice by'umubiri wacu, nk'iminwa n'amabere. Ese wigeze ubona abantu bafite umusatsi utukura? Bafite ingano ingana ya pheomelanin na eumelanin. Ariko, ubu bwoko ntiburinda uruhu izuba kimwe na eumelanin. |
| Neuromelanini | Ibi ntaho bihuriye n'uko tugaragara. Bigenzura ibara ry'uturemangingo tw'ubwonko mu bwonko bwacu. |
Akamaro ka melanin ku mubiri wacu
Melanine si ibara gusa, ahubwo ikora nk'uburinzi bw'umubiri wacu.
- Kurinda imirasire ya UV : Melanine ifasha uruhu rwacu kurinda imirasire ya ultraviolet yangiza (UVA, UVB, UVC) ituruka ku zuba rikaze nk'uko bimeze mu gihugu cyacu. Melanine ifata iyi mirasire ikayikwirakwiza mu gice cyo hejuru cy'uruhu. Hanyuma, iyo mirasire irahagarara kwinjira cyane mu ruhu ikangiza.
- Kurinda ubwoko bwa ogisijeni ikora (ROS): Utu ni utuntu twangiza tuvuka mu gihe cy’imikorere isanzwe y’uturemangingo twacu. Iyo utwo turemangingo twirundanyije mu mubiri, dushobora gutera indwara nko gusaza imburagihe, stress , diyabete na kanseri. Melanine irashaka utwo tunyangingo twangiza ikaturimbura mbere yuko tuyiteza akaga.
Ese abantu bafite uruhu rwijimye nabo bakeneye imiti irinda izuba?
Iki ni igitekerezo kitari cyo gikomeye mu bantu benshi.
Abantu benshi batekereza ko niba ufite uruhu rwijimye, udakeneye amavuta yo kwisiga kugira ngo wirinde izuba kuko ufite melanin nyinshi. Ariko icyo ni igitekerezo kibi rwose.
Ukuri ni uko, uko uruhu rwawe rwaba rwijimye kose, uburyo bwo kurinda izuba cyane melanin itanga ni SPF 13. Ariko abaganga b'uruhu basaba ko twese dukoresha imiti irinda izuba ifite nibura SPF 15. Ikindi kintu kibi ni uko abantu bafite uruhu rwijimye batarwara kanseri y'uruhu. Ibyo nabyo si byo. Ubushakashatsi bwagaragaje ko nubwo abantu bafite uruhu rwijimye badashobora kurwara kanseri y'uruhu nk'abantu bafite uruhu rwera, iyo ndwara ikunze kwiyongera iyo igaragaye. Nanone, kanseri y'uruhu ku bantu bafite uruhu rwijimye ikunda kugaragara ahantu hatagera izuba, nko mu biganza no mu birenge. Kubwibyo,
uko ibara ry'uruhu rwawe ryaba riri kose, ni ngombwa kwambara imiti irinda izuba buri munsi no gusuzumwa n'umuganga w'uruhu nibura rimwe mu mwaka. Cyane cyane niba ubonye utudomo dushya, utubyimba, cyangwa impinduka ku ruhu rwawe, gana muganga.
Indwara zifitanye isano na melanin
Ibibazo byo gukora melanin bishobora gutera indwara zitandukanye z'uruhu.
Ubuswa bw'abalubino
Iyi ni indwara idakunze kubaho iterwa n'umubare muto cyane wa melanin. Aba bantu bafite umusatsi wera, amaso y'ubururu, n'uruhu rwerurutse cyane. Bashobora kandi kugira ibibazo byo kutabona. Bagomba gukoresha izuba kugira ngo birinde kwangirika kw'izuba. Nta buryo bwihariye bwo kuvura ibi.
Melasma
Iyi ni indwara aho ku maso hagaragara uduheri tw'umukara.
Bikekwa ko biterwa n'imisemburo, ibinini byo kuboneza urubyaro, no kwibasirwa n'izuba. Ishobora kugenzurwa hakoreshejwe ibintu nk'isuku y'izuba, amavuta yo kwisiga atangwa na muganga, ndetse n'ubuvuzi bwa laser.
Vitiligo
Iyi ni indwara aho uduce tw’umweru tugaragara ku ruhu bitewe no kwangirika kw’uturemangingo twa melanocyte. Nkuko twese tubizi, nta muti wihariye uhari, ariko hari uburyo bwo kuvura nko kwisiga amavuta, gukoresha urumuri rwa UV, no kubagwa.
Gutakaza ibara nyuma yo kwangirika k'uruhu
Hari igihe umubiri udashobora kongera gukora melanin mu bice byahiye, byangiritse cyangwa byanduye. Ibi ntibisaba kuvurwa, ariko ushobora kubisiga maquillage niba bitakubangamiye.
Indwara ya Parkinson
Muri iyi ndwara, ingano ya neuromelanin mu bwonko iragabanuka uko uturemangingo tw’ubwonko twangirika.
Ese Melanine ishobora kwiyongera? - Reka twitondere amatangazo afite ingaruka mbi
Hari imiti yanditswe na muganga n'imiti yihariye y'urumuri rwa UV ishobora gutuma uruhu rukora melanin ku bantu bafite indwara nka vitiligo. Ariko,
ugomba kwitondera bimwe mu bicuruzwa biri ku isoko. Hari inyongeramusaruro zitandukanye, ibinini, n'inshinge ku isoko bivuga ko byoroshya uruhu. Inyinshi muri zo
ntizemerwa n'ikigo icyo ari cyo cyose cyizewe, kandi ntabwo zifite umutekano cyangwa ngo zigire ingaruka nziza.- Ibinini byo gusiga ibara ry'uruhu:Ibi birimo ibara ryinshi risa na beta-carotene, riha karoti ibara ryazo ry'umuhondo. Ibi bishobora guha uruhu rwawe ibara ry'umuhondo w'umuhondo. Ariko, ntibikongera melanin. Nanone, iri bara ryinshi rishobora kwangiza amaso, ibibazo by'umwijima, n'indwara z'uruhu .
- Inshinge n'imiti yo mu mazuru: Ibi birimo ikinyabutabire cyitwa melanotan, bivugwa ko byongera umusaruro wa melanin, ariko bishobora gutera ingaruka mbi nko kugira isesemi no kongera ibyago byo kurwara kanseri y'uruhu .
Kubwibyo, niba ufite impungenge ku ruhu rwawe cyangwa ikorwa rya melanin, ikintu cyiza kandi cyizewe ni ukugana muganga wujuje ibisabwa aho gukoresha ibikoresho bitaragaragazwa neza biboneka ku isoko.
Ubutumwa bwo kujyana mu rugo
- Melanine ni ibara karemano rituma uruhu rwacu, umusatsi n'amaso bihinduka ibara.
- Ingano ya melanin igenwa na za gene, kandi umubiri ukora melanin nyinshi iyo uhuye n'izuba.
- Nubwo melanin itanga uburinzi ku mirasire ya UV yangiza izuba, ntabwo ari uburinzi bwuzuye.
- Uko uruhu rwawe rwaba rumeze kose, ni ngombwa gukoresha amavuta yo kwisiga afite nibura SPF 15 buri munsi.
- Hari uburyo bwo kuvura indwara ziterwa na melanin nka vitiligo na melasma. Nubona impinduka ku ruhu rwawe, hita ubonana na muganga.
- Irinde gukoresha ibinini, inshinge, nibindi biboneka ku isoko bivuga ko bihindura ibara ry'uruhu. Bishobora guteza akaga gakomeye ku buzima.
Melanine, ibara ry'uruhu, indwara z'uruhu, izuba ririnda izuba, vitiligo, kanseri y'uruhu
💬 Comments (0)
Kwipimisha kanseri y'ibere, kwisuzuma no kwirinda byakozwe byoroshye. Kanseri y'ibihaha
Ishyirireho intego ya calorie hanyuma ubare itariki yo kugabanya ibiro.