Anche lo stress, a piccole dosi, fa bene

26 2006

Anche lo stress, a piccole dosi, fa bene

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Lo stress, preso a piccole dosi, può anche fare bene. Lo sostiene un articolo pubblicato sulla rivista Molecular Biology of the Cell da Richard Morimoto della Northwestern University negli Stati Uniti.

Secondo Morimoto, livelli elevati di una proteina particolare che ha funzioni protettive e si attiva con lo stress possono promuovere la longevità cellulare.

Lo stress, infatti, causa una vera e propria reazione a catena cellulare che si traduce nell’eliminazione di una serie di proteine di scarto, nel prolungamento della vita della cellula e nella riparazione dei suoi danni.

"Livelli leggeri di stress o occasionali punte di stress anche acuto possono avere anche una funzione protettiva", ha spiegato Morimoto, che ha studiato un piccolo verme da laboratorio, il C. elegans.

Molecular Biology of the Cell

Source by Lanci

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