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. 2014 Mar 6;13(7):1063–1077. doi: 10.4161/cc.28433

Table 1. Life extension in model organisms.

Gene Human homolog Organism Wild-type lifespan Life extension (%) Mechanism Gender References
daf-2 IGFR-1 Caenorhabditis elegans 14.9 ± 0.1 d 83.0% Gene inactivation leads to disruption of insulin signaling N/A 118
age-1 PI3K Caenorhabditis elegans 16 ± 2 d ~1000% Gene inactivation leads to disruption of insulin signaling N/A 41
bec-1 beclin Caenorhabditis elegans 22.4–31.1 d (mean lifespan) −15–30% (across six trials) Gene inactivation leads to disruption of autophagy N/A 119
hsf-1 HSF Caenorhabditis elegans 13.8 ± 0.5 d 22.0% Gene overexpression leads to activation of the heat shock promoter N/A 120
daf-16 FOXO Caenorhabditis elegans 23.2 ± 0.8 d −27.0% Gene inactivation leads to disregulation of stress response machinnery N/A 120
let-363 TOR Caenorhabditis elegans 10 d 250.0% Gene inactivation leads to disruption of insulin signaling N/A 121
sgk-1 SGK Caenorhabditis elegans 14.7 ± 0.3 d 61.0% Gene inactivation leads to disruption of insulin signaling (as sgk-1 acts in parallel with AKT kinases) and better stress response. N/A 122
hcf-1 HCFC1 Caenorhabditis elegans 14.3 ± 0.1 d 28.0% Gene inactivation leads to activation of stress response by daf-16/FOXO N/A 123
jnk-1 JNK Caenorhabditis elegans 16.8 ± 0.2 d −21.7% Gene inactivation leads to disruption of stress response by daf-16/FOXO N/A 124
jkk-1 JKK1 Caenorhabditis elegans 16.8 ± 0.2 d −20.9% Gene inactivation leads to disruption of stress response by daf-16/FOXO N/A 124
akt-1 akt-2 AKT1 AKT2 Caenorhabditis elegans 14.7 ± 0.3 d 19.0% Simultaneous inactivation of these genes leads to disruption of insulin signaling N/A 122
sod1 SOD1 Caenorhabditis elegans 18 d 33% (averaged across trials 1 and 2) Overexpression of sod1 activates longevity-promoting transcription factors. N/A 125
sod2 SOD2 Caenorhabditis elegans 19 d 10% (averaged across trials 5 and 6) Overexpression of sod2 activates longevity-promoting transcription factors. N/A 125
dSir2 SIRT1 Drosophila melanogaster 37 d 57.0% Overexpression of dSir2 enhances energy metabolism female 126
dSir2 SIRT1 Drosophila melanogaster 41 d 32.0% Overexpression of dSir2 enhances energy metabolism male 126
chico InRS Drosophila melanogaster 44 d 47.7% Gene inactivation leads to disruption of insulin signaling female 38
InR InR Drosophila melanogaster N/A 85.0% Gene inactivation leads to disruption of insulin signaling female 127
dFOXO FOXO Drosophila melanogaster Varies across trials 19.4% (averaged across trials) Overexpression of dFOXO leads to disruption of insulin signaling female 128
dFOXO FOXO Drosophila melanogaster Varies across trials 15.5% (averaged across trials) Overexpression of dFOXO leads to disruption of insulin signaling male 128
dPTEN PTEN Drosophila melanogaster 57 d 17.4% Overexpression of dPTEN leads to disruption of insulin signaling female 128
dPTEN PTEN Drosophila melanogaster 51 d 19.6% Overexpression of dPTEN leads to disruption of insulin signaling male 128
hsp22 HSP22 Drosophila melanogaster 60 ± 3 d 32.0% Overexpression of hsp22 increases cell-protection against oxidative injuries male 78
sod2 SOD2 Drosophila melanogaster 77.8 ± 5.7 d and 74.7 ± 5.1 d −9.5% and −7.4% Overexpression of SOD2 caused decrease of mitochondrial H2O2 release and enhancement of free methionine content  essential for normal biological processes. male 129
sod1 SOD1 Drosophila melanogaster 27 d >66% Overexpression of sod1 in motorneurons enhances RO metabolism male 130
mTOR TOR Drosophila melanogaster N/A 30.0% Overexpression of dominant negative form of TOR alters stress responses  translation  and/or mitochondrial function male 131
dS6K S6K Drosophila melanogaster N/A 29.0% Overexpression of dominant negative form of S6 kinase alters stress responses  translation  and/or mitochondrial function male 131
IGFR-1 IGFR-1 Mus musculus 568 ± 49 d 33.0% Gene inactivation leads to disruption of insulin signaling female 37
IGFR-1 IGFR-1 Mus musculus 585 ± 69 d 16.0% Gene inactivation leads to disruption of insulin signaling male 37
p66shc p66 Mus musculus 761 ± 19.02 d 30.0% Disactivation of p66 contributes to increased cellular and organism oxidative stress resistance male and female 88
Klotho KLOTHO Mus musculus 715 ± 44 d 20.0 and 30.8% (transgenic lines EFmKL46 and EFmKL48) Gene inactivation leads to disruption of insulin signaling male 48
Klotho KLOTHO Mus musculus 697 ± 45 d 18.8 and 19.0% (transgenic lines EFmKL46 and EFmKL48) Gene inactivation leads to disruption of insulin signaling female 48
Arf p19 Mus musculus 113.8 ± 2.4 wk 16.0% Hypothetically activation of Arf/p53 module provides anti-cancer and anti-aging effect detecting cellular damage. male and female 132
SIRT6 SIRT6 Mus musculus 851.3 ± 24.9 and 724.0 ± 35.0 d (transgenic lines 55 and 108) 14.8% and 16.9% (transgenic lines 55and 108) Overexpression leads to higher levels of IGF-binding protein 1 and altered phosphorylation levels of major components of IGF1 signaling male 133
p63 p63 Mus musculus 121 wk (median lifespan) −21.5% p63 deficiency activates widespread cellular senescence with enhanced expression of senescent markers SA-β-gal  PML  and p16INK4a male and female 134
Brca1 Brca Mus musculus 713 ± 146 d −8.0% Gene inactivation leads to hypersensitivity to DNA damaging agents and consequently genomic instability of cells female 135