Binciken da aka buga a mujallar Science Translational Medicine ya bayyana abin da ake kira 'nasara' a cikin yaki da cutar Alzheimer , in ji masu bincike daga Jami'ar Queensland a Australia.
Nazarin Nazarin
An gudanar da binciken ne a kan mice 20 wadanda aka tsara don bunkasa Alzheimer na-kamar gina da plaque a cikin ƙirjin su.
(Rashin iya kwantar da kwakwalwa daga wasu asusun ajiya mai gina jiki - daya daga cikin alamun cutar Alzheimer.) Wadannan ƙuƙuka sun nuna rashin karfin halayyarsu kamar yadda aka auna su ta hanyar gwaje-gwaje daban-daban guda uku, ciki har da damar da za a iya tafiyar da maze - a gwajin da aka yi amfani dashi don tantance ƙwaƙwalwar ajiya da damar sararin samaniya a cikin ƙwayar mice.
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Rabin hamsin an bi da su tare da hawan motsin ƙarfin sauti wanda aka gudanar ta hanyar nazarin magungunan tarin kwayoyin halitta da rabi aka bi da su tare da wuribo (maganin karya). Mice sun karbi magungunan duban dan tayi a mako guda na mako biyar zuwa bakwai.
A ƙarshen gwaji, masu binciken sunyi nazari akan ƙwayar ƙwayar miki kuma sun sami raguwa mai yawa a cikin ƙwararruwan da suka karbi magungunan duban dan tayi. A wasu kalmomi, maganin duban dan tayi ya taimaka wajen kawar da ƙwayar hakoran karin kwakwalwa a cikin kwakwalwar da suke hana kwakwalwar lafiya.
Mafi mahimmanci, wadannan ƙwayoyin sun sake karfin ikon gudanar da aikin maze daidai da na ƙwayar mice wadanda ba su da daidai da cutar Alzheimer. Ƙananan ƙwayoyin magunguna sun inganta a cikin wasu gwaje-gwaje biyu don tantance ka'idar su.
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Ba wai kawai magungunan duban dan tayi inganta ƙwaƙwalwar ajiya ba a cikin mice, basu kuma bayyana don samar da wani mummunan sakamako daga magungunan dan tayi ba.
Me yasa ake kira wannan bincike ne a 'ƙaddamarwa'?
Kimiyya tana fama da batun yadda za a magance cutar Alzheimer na shekaru da yawa tare da rashin nasara. Akwai magunguna guda hudu da aka umurce su don magance cutar Alzheimer , kuma tasirin su yana iyakancewa. Magunguna kuma suna da damar samun rinjaye masu yawa da kuma haɓaka da wasu kwayoyi.
Masu bincike sun yi nazari da yawa wadanda ba a magance miyagun ƙwayoyi ba , wasu daga cikinsu sun ragu da ci gaban bayyanar cututtuka amma babu wanda ya warkar da cutar.
Shin wannan nau'i na duban dan tayi jiyya aiki a cikin mutane?
Ga tambaya mai mahimmanci: Shin za a iya amfani da wannan bincike, wanda ya zama alamar ɓarna, don amfani da cutar Alzheimer? Zai aiki?
Bisa ga Cibiyar Nazarin Magunguna ta Amurka, akwai ƙalubalen kalubale wajen fassara wannan bincike ga mutane. Suna nuna cewa kwanyar mutum yana da girma fiye da na mice saboda haka magungunan dan tayi zai zama karfi. Har ila yau ba a sani ba game da irin ci gaban cutar Alzheimer ya kamata a yi amfani da raƙuman tayi a cikin mutane don su kasance mafi tasiri.
Matakai na gaba
Kodayake mun kasance mai nisa daga furta tursunonin tarin tayi don zama hanyar da za mu iya warware wasu daga cikin lalacewar da Alzheimer ya kawo, wannan bincike ya nuna ya zama babban ci gaba. Za mu buƙaci ƙarin karatu tare da dabbobi, da kuma gwajin gwaji da mutane, don ƙayyade tasirin wannan magani mai kyau, da kuma kula da lokaci don kowane sakamako mai illa.
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Sources:
Cibiyar Nazarin Harkokin Kimiyyar Halitta na kasa, Cibiyar Nazarin Magunguna ta Amurka. 12 Mar 2015. Duban dan tayi 'nasara' a zalunta Alzheimer's a cikin mice.
Science Translational Medicine. 11 Maris 2015: Vol. 7, Issue 278, p. 278. Binciken duban dan tayi ya kawar da amyloid-β kuma ya mayar da ƙwaƙwalwar ajiya a cikin wani nau'i na linzamin kwamfuta na Alzheimer. http://stm.sciencemag.org/content/7/278/278ra33.abstract?sid=8b61377d-2a42-419d-8197-a3ec8d1eb503