Wani bincike na baya-bayan nan ya danganta motsa jiki na jiki tare da wasu canje-canje a cikin tsarin DNA, ba tare da canza jerin haruffan kwayoyin halitta ba (tsarin farko). Masana kimiyya a Cibiyar Nazarin Kiwon Lafiya ta Asibitin del Mar sun lura cewa kasancewa matsakaici-matsayi mai ƙarfi (tafiya cikin gaggauce kowace rana ko yin wasanni na aƙalla mintuna 30) yana haɓaka fa'idodin.
Ta yaya yake gudanar da gyara DNA?
Salon ku yana rinjayar methylation kai tsaye (tsarin da ake ƙara ƙungiyoyin methyl zuwa DNA), kuma waɗannan canje-canje na iya haɗawa da haɗarin cututtukan zuciya da jijiyoyin jini. Yin motsa jiki na jiki zai iya yin aiki a kan ɗaya daga cikin mahimman abubuwa a cikin metabolism na triglyceride, wanda, a manyan matakan, yana ƙara haɗarin cututtukan zuciya. Don haka canje-canje a cikin DNA suna tasiri yadda ake fassara kwayoyin halitta da matakin maganganunsu.
«Tsarin rayuwa yana da tasiri kan yadda aka bayyana bayanan da ke cikin kwayoyin halittarmu, kuma muna mamakin ko aikin jiki yana da alaƙa da canji a ɗayan waɗannan hanyoyin nazarin halittu: DNA methylation.", in ji mai gudanarwa na kungiyar masana kimiyya.
Methylation ya ƙunshi canjin sinadarai a cikin kwayar halittar DNA, ba tare da canza jerin haruffa ba, kuma yana ƙayyade matakin bayanin kwayoyin halitta, da kuma ikon samar da furotin ko a'a. Matsayin methylation An danganta ta da cututtuka daban-daban kamar ciwon daji ko matsalolin zuciya, kamar ciwon sukari da kiba.
«A cikin nazarin mun lura cewa mutanen da ke yin ƙarin motsa jiki na matsakaicin ƙarfi, suna da ƙananan matakan methylation a cikin rukunin DNA guda biyu.«, sharhi Alba Fernández Sanlés, ɗaya daga cikin mawallafin binciken.
Me yasa methylation ke da mahimmanci?
Kamar yadda muka fada a baya, wannan tsari yana tsara ikon kwayoyin halitta don bayyana kansu, da kuma samar da sunadaran ko a'a. "Daya daga cikin kwayoyin halittar da muka samu tare da canje-canje a cikin alamun methylation yana da alaƙa da metabolism na triglyceride.", Alba yayi sharhi. "An riga an san cewa aikin jiki yana rage matakan su, don haka bayananmu sun nuna cewa methylation na wannan rukunin DNA zai iya zama hanyar sulhu don tasirin aikin jiki a kansu.".
Masu binciken sun yi nazarin ƙungiyoyi biyu daban-daban: ɗaya Mutanen Espanya da sauran Amurkawa. Jimlar mutane 2.544, masu shekaru tsakanin 35 zuwa 74 shekaru, sun shiga kuma sun amsa tambayoyin da ƙungiyar kimiyya ta duniya ta inganta. An yi nazarin methylation DNA daga samfuran jinin masu sa kai. Masu bincike sunyi imanin cewa salon rayuwa yana shafar DNA ɗinmu kai tsaye kuma waɗannan canje-canje na iya haɗawa da haɗarin cututtukan zuciya.
«A cikin binciken da ya gabata mun kuma lura cewa shan taba yana canza matakan DNA methylation. Kasancewar ingantaccen salon rayuwa yana da mahimmanci, wanda ya haɗa da aikin motsa jiki na jiki don rigakafin cututtukan zuciya.".