Idan ka kalli madubi ka ga wasu gashin fuka-fukai, sai ka ji ɗan tsoro da baƙin ciki, ko ba haka ba? Akwai lokutan da ba a iya misaltawa ba da za ka yi tunanin, "Oh, ni ma na tsufa." Ga wasu mutane, gashinsu yana fara yin furfura tun suna ƙanana, wani lokacin kuma suna makaranta. Me ya sa hakan yake faruwa da gaske? Shin kawai saboda muna tsufa ne? Binciken likita na baya-bayan nan ya gano cewa wannan na iya faruwa ne saboda ƙaramin canji a jikinmu wanda babu ɗayanmu da ya taɓa tunani a kai.
Waɗanne ƙwayoyin halitta ne masu ban mamaki waɗanda ke ba wa gashi launinsa?
A taƙaice dai, gashinka yana samun launinsa mai kyau na baƙi da launin ruwan kasa saboda wani nau'in ƙwayar halitta na musamman a gindin gashinka. Muna kiran waɗannan ƙwayoyin halittar launin fata , ko kuma daidai da "Melanocyte Stem Cells - McSCs". Waɗannan su ne babban ɓangaren masana'antar launin gashinmu.
Amma waɗannan ƙwayoyin halitta ba za su iya yin wa gashi launi kai tsaye ba. Don yin hakan, dole ne su fara girma su zama "melanocytes." Waɗannan ƙwayoyin halitta na melanocytes su ne ke samar da launin da ke ba wa gashi launinsa.
Don haka dalilin da yasa gashinku yake da lafiya kuma baƙi ne saboda waɗannan ƙwayoyin tushe sun girma akan lokaci, sun zama ƙwayoyin tushe, kuma suna yin aikinsu yadda ya kamata. Abin mamaki, waɗannan ƙwayoyin tushe na pigment suna rayuwa tsawon shekaru, amma suna mutuwa kafin sauran ƙwayoyin da suka samar da gashin. Wataƙila kun lura cewa wasu mutane ba sa rasa gashinsu yayin da suka tsufa, amma gashinsu ya zama fari gaba ɗaya. Ga dalilin. Kwayoyin tushe na gashi har yanzu suna aiki, amma ƙwayoyin da suka samar da gashin sun daina aiki.
Me ake nufi da 'maƙale'? Bincike na baya-bayan nan!
Na dogon lokaci, likitoci da masana kimiyya sun yi tunanin cewa waɗannan ƙwayoyin halitta na tushe suna zama a wuri ɗaya, suna girma lokacin da ake buƙata, sannan su mutu lokacin da aka gama aikinsu. Amma sabon binciken ya canza wannan labarin gaba ɗaya.
Abin da ke faruwa a zahiri wani abu ne mai rikitarwa da ban mamaki. Waɗannan ƙwayoyin halitta suna kama da ƙadangare wanda ke canza launi. Wato, suna iya motsawa tsakanin sassa daban-daban na gashin gashi kuma su canza yanayinsu, maimakon zama a wuri ɗaya.
A bisa ga wannan sabon binciken, waɗannan ƙwayoyin suna aiki a cikin zagayowar. Wato:
1. Mataki na farko: Suna farawa ne a matsayin ƙwayoyin halitta marasa girma.
2. Aiki: Sannan yana tafiya zuwa wani ɓangare na gashin, yana girma, kuma yana samar da launukan da ke ba gashin launinsa.
3. Tafiyar dawowa: Idan aka gama aikin, waɗannan ƙwayoyin suna komawa zuwa yanayinsu na asali, wato, yanayin ƙwayoyin tushe , sannan su koma wurinsu na asali.
Muddin wannan zagayen ya ci gaba, gashinmu zai yi launin kore.
To ina matsalar take?
Masu bincike sun gano cewa yayin da muke tsufa, waɗannan ƙwayoyin halitta masu daraja a wasu lokutan suna makale a wuri mara kyau a cikin gashin. Suna makale a cikin wani ɓangare na gashin da ake kira follicle bulge. Idan suka makale, ba za su iya sake kammala zagayowar su ba, wanda ke nufin ba za su iya girma su yi launin ba.
Sakamakon haka? Sabon gashin ba ya samun launi. Don haka yana fitowa fari ko launin toka.
Bari mu yi bayani kaɗan game da wannan tsari.
| Tsarin aiki | Me kuma (kawai) |
|---|---|
| Gashin gashi mai lafiya ga matasa | Kwayoyin halittar jiki (McSCs) suna ƙaura daidai, suna girma (zama ƙwayoyin Melanocytes), kuma suna ba da launi ga gashi. Sannan suna komawa ga yanayinsu na asali. Wannan zagayen yana ci gaba. |
| Idan ka tsufa/idan gashinka ya yi fari | Wasu ƙwayoyin halitta suna makale a wani ɓangare na gashin da ake kira 'bulge'. Ba sa iya motsawa ko girma. |
| Sakamakon ƙarshe | Saboda babu ƙwayoyin halitta da za su samar da launin fata, gashi mai tasowa yana da fari ko launin toka. |
Shin wannan kuma yana ba da wata alama game da ciwon daji?
Eh. Wannan ganowa na iya zama da mahimmanci ba kawai ga furfurar gashi ba, har ma da fahimtar ciwon daji na fata . Musamman ma, nau'in ciwon daji mafi tsanani na fata , melanoma , yana tasowa daga waɗannan ƙwayoyin launi (melanocytes).
Ɗaya daga cikin halaye mafi haɗari na ƙwayoyin cutar kansar melanoma shine ikonsu na canza yanayinsu cikin sauƙi. A magani, ana kiran wannan 'roba' . Wannan ikon shine dalilin da yasa cutar kansar melanoma ke da wahalar sarrafawa da warkarwa gaba ɗaya.
Wannan sabon bincike ya nuna cewa ƙwayoyin halittarmu masu lafiya da kyau suma suna da babban matakin 'roba'. Don haka, masana kimiyya yanzu suna zargin cewa wannan mummunan ɗabi'ar ƙwayoyin cutar kansa ta melanoma na iya kasancewa saboda wannan 'ikon canzawa' a cikin ƙwayoyin halittar da suka saba, daga inda suka samo asali.
To shin zai yiwu a sami maganin wannan?
Wannan ita ce tambayar da ke zuciyar kowa. Yanzu da aka gano wannan tsari na 'manne', burin masu bincike na gaba shine nemo hanyar sakin waɗannan ƙwayoyin da suka makale a mayar da su wurin da ya dace . Idan za a iya yin hakan, zai iya hana gashi yin launin toka, kuma wataƙila ma ya sa ba zai yiwu a sake mayar da gashi baƙi ba.
Amma wannan har yanzu yana kan matakin bincike. Babu maganin wannan tukuna. Duk da haka, an sami rahotannin wasu mutanen da furfurar gashinsu ta sake yin toka saboda magungunan da aka bayar don wasu cututtuka. Wataƙila waɗannan magungunan suna 'yantar da waɗannan ƙwayoyin da suka makale ba da gangan ba.
Muna kuma buƙatar ƙara bincike ko abubuwa kamar damuwa da shan taba suna shafar toshewar waɗannan ƙwayoyin halitta, domin mun san cewa waɗannan abubuwa suna yin mummunan tasiri ga ayyuka da yawa a jiki.
Saƙon Ɗauka Gida
- Babban dalilin da yasa gashinka ya fara yin fari shine saboda ƙwayoyin tushe na musamman waɗanda ke ba da launin gashi, wanda ake kira Melanocyte Stem Cells, suna 'manne' a wurin da bai dace ba a cikin gashin.
- Wannan wani sabon bincike ne na kimiyya. Masu bincike suna ƙoƙarin nemo maganin da zai iya 'yantar da waɗannan ƙwayoyin da suka makale kuma ya hana gashi yin furfura.
- A wannan lokacin, babu wani takamaiman magani da zai iya hana gashi yin furfura. A yi hankali da abin da ake samu a kasuwa.
- Har sai an sami magani mai inganci, ɗaukar halaye masu kyau kamar cin abinci mai kyau, guje wa shan taba, da kuma magance damuwa zai taimaka wa lafiyar jikinka gaba ɗaya da kuma lafiyar gashinka.
- Idan ka lura da wani canji kwatsam, wanda ba a saba gani ba a fatar jikinka ko gashinka (misali, sabbin tabo, furfura mai sauri), kada ka firgita, amma tabbas ka ga likitanka don neman shawara.
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