bophelo bo botle

Bophelo bo botle ba boko, mohopolo le boroko bo lekaneng

Bophelo bo botle ba boko, mohopolo le boroko bo lekaneng

Bophelo bo botle ba boko, mohopolo le boroko bo lekaneng

Phuputso e ncha e fumane bopaki bo bongata ba kamano pakeng tsa palo ea boroko, 'me ka ho khetheha morethetho oa circadian, o laolang potoloho ea boroko, le mafu a itseng, a kang lefu la Alzheimer, ho ea ka The Conversation, ho qotsa koranta ea PLOS Genetics.

Ho feta moo, sehlopha sa bafuputsi ba United States se fumane bopaki bo bong ba hore lisele tse thusang ho boloka bophelo bo botle ba boko le ho thibela lefu la Alzheimer le tsona li latela morethetho oa circadian.

Oache ea likokoana-hloko

Circadian rhythm ke ts'ebetso ea tlhaho ea ka hare e latelang potoloho ea lihora tse 24 e laolang boroko, tšilo ea lijo, takatso ea lijo, esita le ho itšireletsa mafung.

Lintho tse kang khanya ea ka ntle, ho ja lijo tse tloaelehileng, le ho sebetsa 'meleng hammoho ho thusa ho boloka oache ea tlhaho e sebetsa ka tumellano. Ka lehlakoreng le leng, ho etsa lintho tse nyenyane tse kang ho robala nako e khutšoanyane ho feta tloaelo, kapa esita le ho ja ka nako e fapaneng le e tloaelehileng, ho ka senya "clock" ea hau e ka hare.

Bophelo bo botle ba kelello le kankere

Bo-rasaense ba tsoang Setsing sa Applied Sciences sa Univesithi ea New York State ba fana ka keletso ea hore u lokela ho boloka morethetho oa hau oa circadian o sebetsa hantle, kaha tšitiso ea potoloho ena e amahanngoa le mathata a mangata a bophelo bo botle, a kenyeletsang mathata a bophelo bo botle ba kelello, kankere le lefu la Alzheimer's.

Lipatlisiso li bontša hore ho bakuli ba nang le lefu la Alzheimer's, litšitiso tsa circadian rhythm li atisa ho nkoa e le liphetoho mekhoeng ea ho robala ea mokuli e etsahalang nako e telele pele lefu lena le bonahala ka ho feletseng. Boemo bo mpefala le nakong ea morao ea lefu lena. Empa ho ntse ho sa utloisisoe ka botlalo hore na ho hloka boroko ho baka lefu la Alzheimer, kapa hore na le hlaha ka lebaka la lefu lena.

plaque bokong

Bafuputsi ba lula ba fumana karolo e tloaelehileng bokong ba batho ba nang le lefu la Alzheimer ke pokello ea liprotheine tse bitsoang "beta-amyloid", tse atisang ho kopana bokong ebe li theha "plaque" bokong. Li-plaque tsa beta-amyloid li sitisa tšebetso ea lisele tsa boko, tse ka lebisang mathateng a kelello, joalo ka ho lahleheloa ke mohopolo. Bokong bo tloaelehileng, protheine e hloekisoa nako le nako pele e ka ba le monyetla oa ho baka mathata.

morethetho wa baeloji bosiu le motšehare

Liphello tsa phuputso ea morao-rao li bontšitse hore lisele tse ikarabellang bakeng sa ho tlosa li-plaque tsa beta-amyloid le ho boloka boko bo phetse hantle le tsona li latela morethetho oa circadian oa lihora tse 24, ho bolelang hore haeba morethetho oa circadian o khathatseha, o ka etsa hore ho be thata le ho feta ho tlosa lisele tse kotsi tsa plaque tse amanang le lefu la Alzheimer. .

macrophages

Ho etsa lipatlisiso tsa bona, sehlopha sa bafuputsi se ile sa hlahloba ka ho khetheha li-macrophages, tseo hape li bitsoang macrophages le tseo ka kakaretso li potolohang ka har'a lisele tse ngata tse sebetsang 'meleng, ho akarelletsa le boko. Macrophages haholo-holo ja libaktheria kapa esita le liprotheine tse sa thehoa hantle, e ka nkoa e le tšokelo 'meleng.

Ho utloisisa hore na lisele tsena tsa 'mele tsa ho itšireletsa mafung li latela morethetho oa circadian, bafuputsi ba ile ba sebelisa li-macrophages tse nkiloeng ho litoeba le ho lengoa ka laboratoring. 'Me ha ba fepa lisele ka beta-amyloid, ba fumane hore bokhoni ba macrophages ho tlosa beta-amyloid e fetohile ka nako ea lihora tse 24.

Liprotheine "proteoglycans"

Ho boetse ho bonts'itsoe hore liprotheine tse ling tse holim'a macrophages, tse bitsoang proteoglycans, li na le morethetho o tšoanang oa circadian letsatsi lohle. Ho ile ha fumaneha hore ha palo ea proteoglycans e ne e le tlaase ka ho fetisisa, bokhoni ba ho hlakola liprotheine tsa beta-amyloid bo ne bo le holimo, ho bolelang hore ha macrophages e na le proteoglycans e ngata, ha baa ka ba hlakola beta-amyloid. Bafuputsi ba fumane hape hore ha phagocyte e lahleheloa ke morethetho o tloaelehileng oa circadian, ba ile ba khaotsa ho etsa mosebetsi oa ho lahla protheine ea beta-amyloid joalo ka mehleng.

lisele tsa boko

Le hoja thuto ea morao-rao e sebelisitse macrophages ho tloha 'meleng oa litoeba ka kakaretso eseng bokong ka ho toba, liphello tsa lithuto tse ling li bontšitse hore microglia - lisele tse sireletsang bokong (tseo hape ke mofuta o mong oa macrophage bokong) - li na le Hape letsatsi le leng le le leng la likokoana-hloko. morethetho. Oache ea circadian e laola ntho e 'ngoe le e' ngoe e amanang le ts'ebetso le sebopeho sa microglia hammoho le karabelo ea bona ea 'mele ea ho itšireletsa mafung. Ho ka etsahala hore morethetho oa microglial circadian le ona o na le boikarabello ba ho laola puisano ea methapo - e ka qetellang e kenya letsoho ho mpefatsang matšoao a amanang le lefu la Alzheimer, kapa mathata a boroko ao batho ba baholo ba ka bang le ona.

Liphetho tse ling tse hanyetsanang

Empa liphuputsong tse shebaneng le lintho tse phelang kaofela (tse kang litoeba) ho e-na le lisele feela, liphuputso mabapi le kamano pakeng tsa lefu la Alzheimer le morethetho oa circadian li 'nile tsa hanyetsana, kaha hangata li hlōleha ho tšoara mathata ohle a fumanoang bathong ba nang le lefu la Alzheimer's. joalo ka Taba ke hore ho ithutoa litsamaiso kapa liprotheine tse itseng feela tse ka angoang ke lefu la Alzheimer, tse fanang ka maikutlo a hore li kanna tsa se fane ka boemeli bo nepahetseng ka botlalo ba hore na lefu la Alzheimer le hlaha joang bathong.

Ho mpefala ha lefu la Alzheimer

Lithutong tsa batho ba tšoeroeng ke lefu la Alzheimer, bafuputsi ba fumane hore morethetho o fokolang oa circadian o ka mpefatsa boemo ha lefu lena le ntse le tsoela pele. Liphuputso tse ling tsa lipatlisiso li bontšitse hore ho sitisoa ha morethetho oa circadian ho amahanngoa le mathata a boroko le lefu la Alzheimer, hammoho le boko bo sa khoneng ho hloekisa boko (ho kenyeletsoa beta-amyloid), e leng ntho e ka tlatsetsang haholoanyane mathateng a ho hopola. Empa ho thata ho fumana hore na tšitiso ea morethetho oa circadian (le mathata ao e a bakang) e ka 'na eaba e etsahetse ka lebaka la lefu la Alzheimer, kapa e ne e le karolo ea sesosa sa lefu lena.

Boroko ba boleng bo bohlokoa

Haeba e ka kopitsoa ho batho, liphuputso tsa boithuto li kanna tsa fana ka mohato o haufi le ho utloisisa e 'ngoe ea litsela tseo morethetho oa circadian o amanang le lefu la Alzheimer's. Qetellong, ho lumeloa ka bophara hore boroko ke ba bohlokoa bakeng sa likarolo tse ngata tsa bophelo bo botle ba motho, kahoo ho sireletsa morethetho oa circadian ke habohlokoa ebile hoa hlokahala ho boloka boemo bo botle ba kelello, psyche, maikutlo le bophelo bo botle ka kakaretso.

Ryan Sheikh Mohammed

Motlatsi oa Mohlophisi e Moholo le Hlooho ea Lefapha la Likamano, Bachelor of Civil Engineering - Lefapha la Topography - Univesithi ea Tishreen E Koetliselitsoe ho itsoella pele.

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