ImpiloIzifo nemibandela

Insomnia kungaholela isifo i-Alzheimer

Insomnia ubusuku futhi uhlale emini ngendlela Daze ... Abantu abaningi sibhekene ukubonakaliswa okunjalo nokuqwasha. Ngokocwaningo olusha, ikhwalithi embi ubuthongo futhi emini kungandisa ingozi yokuba nesifo sokulahlekelwa yingqondo.

Ucwaningo olwenziwa e-ezithakazelisayo

abantu 101 babemenyiwe cwaningo. Bonke laba bantu babengavunyelwe sebenzisa phi nawokuphazamiseka kokusebenza kwengqondo. Umnyaka yezihloko wayeneminyaka engamashumi 63.

Ngemva ukuhlola, abahlanganyeli ugcwalise uhlu lwemibuzo mayelana nobuthongo, yilowo nalowo kubo badlula isampula wabo uketshezi lomgogodla. Injongo yokuhlaziya kwaba ukuhlonza khona ukuhlolwa zingcwecwe, okuyinto okuyizimpawu Alzheimer. Ososayensi wafinyelela esiphethweni ukuthi ukhwaliti ongaphakeme ubuthongo futhi ukozela emini elihlobene ne enanini eliphakeme isifo nokudlanga.

Umthelela beta-amyloid e okuvela zingcwecwe ebuchosheni

Nakuba kukhona ukuhlobana phakathi nokungalali kanye komqondo akuyona 100% ecacile, ucwaningo oluningana izilwane bathole ukuthi ngesikhathi sokulala ikhono ebuchosheni ukwehlukanisa ubuthi ezifana beta-amyloid (amaprotheni enobuthi) kuthuthukisa. Bephambana ukubukeka zingcwecwe in the ubuchopho kweziguli iziguli Alzheimer, futhi mhlawumbe yileyo ndlela kanye inqubo efanayo kwenzeka kubantu. Ukwethulwa amyloid kwezicubu ubuchopho wokuqala okwaziwa esiteji preclinical yesifo i-Alzheimer futhi kwenzeka kahle ngaphambi ukubonakala izimpawu yingqondo.

Bonke ababambiqhaza cwaningo zihlonzwe engcupheni yesifo i-Alzheimer. Bathunjelwa isizinda zofuzo, umlando womndeni futhi idatha APOE isakhi sofuzo, okuyizinto ezihlobene okungenzeka enkulu yokuqothulwa umsebenzi ngokwengqondo. Umuntu ngamunye wanika ukuhlolwa kwakhe inani ukulala amahora, izinga ubuthongo futhi emini kuphawulwe.

"Abahlanganyeli kulolu cwaningo babezimisele ibhekane wokubhoboza lumbar ukuze kuthuthukiswe ucwaningo izimbangela Alzheimer - kusho umlobi abaphezulu uBarbara Bendlin umsebenzi yesayensi Research Centre of Izifo e Wisconsin. - Ukuhlolwa uketshezi wasivumela ukuba sibheke labo nakomaka ezihlobene nesifo Alzheimer njengoba qwembe kanye izinkomba ukuvuvukala emsipheni ukulimala kwamangqamuzana ".

ubuthongo Kubi icuphe isifo singakabi kuzo zonke izimo

Kufanele kuqashelwe ukuthi akusibo bonke ababevuma unezinkinga ubuthongo, ukuthuthukisa i-Alzheimer. UBarbara Bendlin, ngubani likaprofesa wezokwelapha e-University of Wisconsin School of Medicine, utshele iphephandaba iThe New York Times: «Sithobele emaqenjini abantu ngokuvamile ukugubha ubuhlobo ubuthongo ompofu eneshadi ka neurodegeneration. Kodwa uma ubheka abantu, hhayi khona nhlobo lubonakale zokuqwasha. "

Ukuhlolwa ku amagundane

Lolu cwaningo zakamuva iwukuqhutshwa izifundo ngaphambili yesayensi esikisela ukuthi ubuthongo okhathazekile kungaba imbangela komqondo. Olunye ucwaningo luye lwathola izixhumanisi phakathi ezingamahlalakhona izinkinga zokulala kanye nokuthuthukiswa amyloid zingcwecwe. Studies in amagundane wabonisa ukuthi izilwane abalala, ezingeni beta-amyloid lancipha. Gcwalisa lonke ngempumelelo kusula ubuchopho amagundane kusukela ezinobuthi.

Bendlin nawozakwabo ukugcina abantu engozini yesifo i-Alzheimer. Izifundo zizohlolwa laboratory ubuthongo, lapho ukuhlolwa Inhloso ukuba kwenziwe.

Vimbela iyiphi ubungcono ubuthongo ukuthuthukiswa izinga lesi sifo?

"Uma kuvela ukuthi kokungenela, okuzokwenza ukuqeda isimo sokugembula efana ukuqwasha, kuholele yokuthi ubuchopho uzobe imali amyloid kancane, izonikeza ukwesekela okuqinile wokuthatha amagadango zokulungisa phambi kwabantu uzoqala ukukhombisa ukwehla engqondweni yethu ezihlobene nesifo Alzheimer "- Bendlin wathi.

Bendlin iphawula nokuthi ngaphambi kokucela kudokotela oyisazi sezinzwa ngezindleko ukuthi wanilobela iphilisi ekulaleni, kufanele wazi kahle ukuthi ngabe izidakamizwa ukuxazulula ngilale amathonya amyloid. Isinyathelo esilandelayo kuyoba ukuqhubeka enquma ngokuhambisana nalo inkomba.

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