Ƙwaƙwalwar da za a yi allura don warware asirin cutar Alzheimer

Masana kimiyya a Jami'ar Harvard kwanan nan sun ƙirƙira wata na'ura ─ guntun ƙwaƙwalwa iri-iri  ─  wanda zai iya ɗaukar mu mataki ɗaya kusa da cikakkiyar fahimtar ma'amalar neurons da yadda waɗannan ƙwayoyin cuta ke fassara zuwa mafi girma, hanyoyin fahimi kamar motsin rai da tunani. Mafi mahimmanci, wannan binciken na iya riƙe maɓalli don ƙarshe buɗe asirin cututtukan ƙwayoyin cuta kamar Alzheimer's da Parkinson.  

Takardar da ke kan dasa, wadda aka buga a Nature Nanotechnology, tana zayyana ƙayyadaddun abubuwan da aka dasa: raɗaɗi mai laushi, polymer mesh wanda aka haɗa da sassan lantarki, wanda, lokacin da aka yi masa allura a cikin kwakwalwar linzamin kwamfuta, yana buɗewa kamar yanar gizo, lanƙwasa kuma yana haɗa kanta a tsakanin cibiyar sadarwa na neurons. Ta hanyar wannan allurar, ana iya bin diddigin ayyukan neuronal, tsara taswira har ma da sarrafa su. Tun da farko na kwakwalwa yana da wahalar haɗuwa cikin lumana tare da nama na kwakwalwa, amma laushi, siliki-kamar kaddarorin ramin polymer ya sa batun ya huta.   

Ya zuwa yanzu, wannan dabarar ta yi nasara ne kawai akan berayen da aka saƙa. Duk da cewa bin diddigin ayyukan neurons yana ƙara wayo lokacin da berayen ke farkawa da motsi, wannan binciken yana ba da kyakkyawar farawa don ƙarin koyo game da ƙwaƙwalwa. A cewar Jens Schouenborg (wanda ba ya da hannu a aikin), farfesa a fannin ilimin Neuroscience a Jami’ar Lund da ke Sweden, “Akwai babbar dama ga dabarun da za su iya yin nazarin ayyukan ɗimbin ƙwayoyin neurons na dogon lokaci tare da kaɗan kaɗan. lalacewa." 

Kwakwalwa wata gabo ce mai wuyar fahimta, hadaddun. Ayyukan da ke cikin sararin kwakwalwa, hanyoyin sadarwa na jijiyoyi sun ba da ginshiƙin ci gaban nau'in mu. Muna bin kwakwalwa da yawa; duk da haka, har yanzu akwai wani mugun abu da ba mu sani ba game da abubuwan al'ajabi da aka samu ta hanyar wannan kullin nama mai nauyin kilo 3 tsakanin kunnuwanmu.