Saynis yahano ka tirsan jaamacada Hiroshima ayaa daahfuray dhisme cusub oo ay ku jiraan brokoli iyo kaabaj kale oo ka caawin kara la dagaalanka noocyada kansarka qaarkood.
DIM, ama 3,3'-diindolylmethane, waxay sababtaa dhimashada unugyada la xakameeyey iyo dib u warshadaynta qaybaha gacanta ee khamiirka fiska. Haddii habka waxyeellada ee ay keentay DIM uu ku sii jiro bini'aadamka weli lama oga.
"Waxaan ogaanay in isku dhafka kiimikaad ee DIM uu kiciyo dhaqdhaqaaq cusub oo bayooloji ah kaas oo waxyeelleeya xuubabka nukliyeerka ee khamiirka fiska," ayuu yiri Ueno, kaaliyaha borofisar ee Xarunta Cilmi-baarista ee Hiroshima Healthy Aging Center ee Jaamacadda Hiroshima ee Dugsiga Sare ee Isku-dhafka Nolosha Sayniska.
"Dhaqanka xuubabka nukliyeerka ayaa muhiim u ah caafimaadka aadanaha," ayuu yiri Ueno. "Isbeddellada keena cilladaha xuubka nukliyeerka waxay dardargeliyaan gabowga. Xuubabka nukliyeerka sidoo kale way dilaacaan oo dayactiraan inta lagu jiro socdaalka unugyada kansarka."
Qayb ka mid ah habka dayactirka unugga waxa loo yaqaan autophagy, ama "is-cunida". Tani waa dariiqa hoos u dhaca ee qaybaha gacanta, kaas oo unuggu uu cuni doono qaybihiisa gudaha si uu u ilaaliyo tamarta una wanaajiyo hababka nolosha.
Ueno ayaa sidoo kale xustay in autophagy ay la xiriirto gabowga iyo cudurrada la xiriira da'da labadaba. Haddii unuggu cilladaysan yahay, markaas wuxuu u dhintaa natiijada habka dhimashada ee barnaamijka loo yaqaan apoptosis. Qaar badan oo ka mid ah daawooyinka kansarka cytotoxic waxay u dhaqmaan iyaga oo keenaya apoptosis, markaa awood u yeelashada in la xakameeyo habkan ayaa gacan ka geysan kara ilaalinta iyo hagaajinta caafimaadka bini'aadamka, Ueno ayaa leh.
"Natiijooyinkayadu waxay muujinayaan in baqshadda nukliyeerka laga yaabo inay noqoto mid ka mid ah bartilmaameedyada ugu horreeya ee DIM," ayuu yidhi qoraaga Parwane Emami, arday PhD ah oo ka tirsan Jaamacadda Hiroshima's Graduate School of Integrated Life Sciences.
Gabagabadani waxay ku salaysan tahay warbixin hore oo ka soo baxday koox cilmi baaris ah oo Jarmal ah oo ogaatay in uruurinta sare ee DIM ay kordhisay cimriga khamiirka fiska.
Waxa laga yaabaa in ay u ekaato mid aan caqli-gal ahayn in isku-dhafka apoptosis-ku-abuurku uu kordhin karo cimriga noolaha, laakiin Emami wuxuu sharraxay in DIM kaliya ay u muuqato inay ku kicinayso hab-dhaqankan unugyada kala qaybinta, sida unugyada kansarka. Haddii ay dhintaan, nooluhu wuxuu noolaan karaa waqti dheer.
"Daraasadaha ugu dambeeyay ee bini'aadamku waxay muujinayaan in DIM ay tahay daawada kansarka ka-hortagga ee suurtogalka ah taas oo u shaqeysa in ay keento apoptosis noocyo kala duwan oo kansar ah, oo ay ku jiraan naasaha, prostate, caloosha, iyo kansarka ganaca," Ueno ayaa yidhi.
"Cilmi-baadhistu waxay sidoo kale muujinaysaa in DIM ay keento autophagy unugyada kansarka. Si kastaba ha ahaatee, saamaynta autophagy ee samaynta burada iyo horumarka si buuxda looma fahmin. Fahamka habka apoptosis iyo autophagy adoo isticmaalaya DIM ee khamiirka fission waxay faa'iido u yeelan kartaa daraasadda kansarka bini'aadamka iyo hababka cimriga dheer."
Cilmi-baarayaashu waxay sii wadi doonaan inay bartaan doorka DIM ee khamiirka fiska.
"Waxaan rabnaa inaan fahanno sida DIM ay u dhaawacdo xuubka nukliyeerka ee khamiirka fiska, taas oo horseedi karta horumarinta dawada heerka koowaad si loo dilo unugyada kansarka," ayuu yiri Emami.
"Waxaan sidoo kale dooneynaa inaan fahamno habka sida DIM ay u keento autophagy ee khamiirka fission, taas oo gacan ka geysan karta fahamka sida loo kordhiyo nolosha bini'aadamka."