Masana kimiyya daga Jami'ar Hiroshima sun gano wani sabon sinadari a cikin broccoli da wasu kabeji da za su taimaka wajen yakar wasu nau'ikan ciwon daji.
DIM, ko 3,3'-diindolylmethane, yana haifar da mutuwar kwayar halitta mai sarrafawa da sake yin amfani da sassan salula a cikin yisti fission. A halin yanzu ba a san ko tsarin lalacewa da DIM ya haifar a cikin mutane ba.
"Mun gano cewa sinadarin DIM yana haifar da wani sabon aikin nazarin halittu wanda ke lalata membranes na nukiliya a cikin yisti fission," in ji Ueno, mataimakiyar farfesa a Cibiyar Nazarin Lafiya ta Hiroshima Healthy Aging Research a Makarantar Graduate of Integrated Life Sciences a Jami'ar Hiroshima.
Ueno ya ce: "Tsarin makaman nukiliya yana da mahimmanci ga lafiyar ɗan adam." “Maye gurbin da ke haifar da lahani a cikin membrane na nukiliya yana haɓaka tsufa. Ana kuma karyewar membranes na nukiliya da kuma gyara yayin ƙauran ƙwayoyin cutar kansa.”
Wani ɓangare na aikin gyaran tantanin halitta ana kiransa autophagy ko "cin kai." Wannan wata hanya ce ta lalata kayan aikin salula, wanda tantanin halitta zai cinye sassanta na ciki don adana makamashi da haɓaka mahimman matakai.
Ueno ya kuma lura cewa autophagy yana da alaƙa da tsufa da cututtukan da suka shafi shekaru. Idan tantanin halitta yana da lahani, yana mutuwa ta hanyar tsarin mutuwa wanda ake kira apoptosis. Yawancin magungunan cytotoxic anticancer suna aiki ta hanyar haifar da apoptosis, don haka samun ikon sarrafa wannan tsari zai iya taimakawa wajen kiyayewa da inganta lafiyar ɗan adam, in ji Ueno.
"Sakamakonmu ya nuna cewa ambulan nukiliya na iya kasancewa ɗaya daga cikin abubuwan farko na DIM," in ji marubucin takarda Parvaneh Emami, ɗalibin digiri a Makarantar Graduate of Integrated Life Sciences a Jami'ar Hiroshima.
Wannan binciken ya gina wani rahoto da ya gabata daga ƙungiyar bincike a Jamus wanda ya gano cewa yawan adadin DIM ya kara tsawon rayuwar yisti na fission.
Yana iya zama kamar rashin fahimta cewa wani fili mai haifar da apoptosis na iya tsawaita tsawon rayuwar kwayoyin halitta, amma Emami ya bayyana cewa DIM kawai ya bayyana yana haifar da wannan hali a cikin rarraba kwayoyin halitta, kamar kwayoyin cutar kansa. Idan sun mutu, kwayoyin halitta zasu iya rayuwa tsawon lokaci.
"Bincike na baya-bayan nan a cikin mutane ya nuna cewa DIM shine yiwuwar maganin ciwon daji wanda ke aiki ta hanyar haifar da apoptosis a cikin nau'o'in ciwon daji, ciki har da nono, prostate, ciwon ciki da kuma pancreatic cancer," in ji Ueno.
"Bincike ya kuma nuna cewa DIM yana haifar da autophagy a cikin kwayoyin cutar kansa. Duk da haka, ba a fahimci tasirin autophagy akan samuwar ƙwayar cuta da ci gaba ba. Fahimtar tsarin apoptosis da autophagy ta hanyar DIM a cikin yisti fission na iya zama da amfani ga bincike kan cutar kansar ɗan adam da hanyoyin rayuwa mai tsawo."
Masu bincike za su ci gaba da nazarin rawar DIM a cikin yisti fission.
"Muna so mu fahimci yadda DIM ke lalata fission yeast nukiliya membranes, wanda zai iya haifar da samar da magani na farko don kashe kwayoyin cutar kansa," in ji Emami.
"Muna kuma son fahimtar tsarin yadda DIM ke haifar da autophagy a cikin yisti fission, wanda zai iya ba da gudummawa ga fahimtar yadda ake tsawaita rayuwar ɗan adam."