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Age-dependent effect of rapamycin on Drosophila melanogaster lifespan (CROSBI ID 384638)

Ocjenski rad | diplomski rad

Juričić, Paula Age-dependent effect of rapamycin on Drosophila melanogaster lifespan / Barbarić, Slobodan (mentor); Corinna Hopfen (neposredni voditelj). Zagreb, Prehrambeno-biotehnološki fakultet, . 2013

Podaci o odgovornosti

Juričić, Paula

Barbarić, Slobodan

Corinna Hopfen

engleski

Age-dependent effect of rapamycin on Drosophila melanogaster lifespan

Recent studies demonstrated that chronic rapamycin treatment extends lifespan and reduces fecundity of fruit fly Drosophila melanogaster females. The aim of this thesis was (i) to investigate the effects of increased protein concentration in diet on longevity of the fruit fly, (ii) to compare the effects of standard and chemically defined medium on lifespan and (iii) to determine whether pharmacological intervention with rapamycin late in life have beneficial effects on fly survival. In accordance with others, this study showed that increased protein component of a diet decreases lifespan. It was found that even short rapamycin treatments, of about three weeks, can extend maximum lifespan of a fruit fly to the level comparable to the chronic rapamycin treatment. This effect was observed on all diets tested, suggesting that the effect of rapamycin is at least partially independent of nutrition. Additionally, rapamycin reduced fecundity of females and releasing flies from rapamycin treatment resulted in recovery of fecundity.

ageing; TOR pathway; rapamycin; nutrition

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Podaci o izdanju

59

06.12.2013.

obranjeno

Podaci o ustanovi koja je dodijelila akademski stupanj

Prehrambeno-biotehnološki fakultet

Zagreb

Povezanost rada

Biotehnologija