În căutarea elixirului vieţii au fost testate în laboratorul Jafari din Caifornia componente precum ceaiul verde, scorţişoara şi o plantă numită Rhodiola rosea (cunoscută şi ca rădăcină arctică sau rădăcină de aur). Pentru a trece testele, fiecare substanţă dintre acestea trebuie să prelungească durata de viaţă a musculiţelor de oţet fără a avea efecte adverse.
Musculiţele de oţet, sau denumite ştiinţific Drosophila melanogaster, sunt insecte mici care stau de obicei în jurul fructelor proaspete. Ele sunt folosite frecvent în cercetari ştiinţifice, în special în genetică. Ele au fost studiate pentru a evalua efectele medicamentelor pentru mai multe boli precum Parkinson, Huntington (demenţă), Alzhaimer, diabet şi cancer.
Dr. Mahtab Jafari spune că musculiţele de oţet sunt ideale pentru cercetarea sa, pentru că sunt mici şi au o durată de viaţă scurtă, care permite cu uşurinţă observarea efectelor unui tratament pentru generaţiile următoare. Mai mult decât atât, 70% dintre genele care cauzează boala la om se regăsesc şi la musculiţe, adaugă cercetătorul.
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