Factors

We need to know every factor which determines lifespan.

Lifespan factors often but not always originate from defined genetic elements. They are not just genes, by definition they can be anything for which a Classifications schema can be build for that is related to the regulation of lifespan, such entities may include Single-Nucleotide Polymorphism, transcript variants, proteins and their complexes, compounds (i.e. small molecules like metabolites and drugs), etc. A factor should be based on a defined molecular entity or genomic position and been classified. It shall be highly flexible and scalable Concept.

While individual lifespan factors within each species or precise defined molecular entities will be captured within the Lifespan App, Data Entries of the Data App may summarize for instance the relevance of each factor class (e.g. homologous group; chemical derivate of related structure and properties, etc.) as well as draw overall conclusions. o

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  • Species: + -
  • symbol name observation species
    iftb-1 eIFTwoBeta (eIF2beta translation initiation factor) RNAi knockdown of iftb-1 at 25.5 degree Celsius continuously extends mean and maximum lifespan by 13 and 11%, while knockdown only during the adulthood extends mean and maximum lifespan by 16 and 6% [16720740]. RNA interference if iftb-1 in adulthood increases maximum lifespan by about 30% [17266679]. Nematode
    daf-10 abnormal DAuer Formation 10 Loss of function mutation in daf-10 increases lifespan by 60% (in Bristol N2) [10617200]. daf-10 mutants are dauer defective, dye filling defective, octopamine deficient and have abnormal chemotaxis and osmotic avoidance. Mutants in daf-10 display abnormal sensory anatomy, especially amophidial neurons and sheath cells, and cephalic neurons. daf-10 mutant males do not mate [2428682]. Nematode
    ctbp-1 CTBP (CtBP) transcriptional co-repressor homolog Genetic inactivation of ctbp-1 results in lifespan extension dependent on daf-16, but independent of sir-2.1. RNAi of lips-7(C09E8.2) suppresses lifespan extension by ctbp-1 inactivation [19164523]. Nematode
    shc-1 SHC (Src Homology domain C-terminal) adaptor homolog Loss of shc-1 function results in accelerated aging and enhanced senstivity ro heat, oxidative stress and heavy metals. Nematode
    tag-322 Temporarily Assigned Gene name tag-322 RNAi increases mean and maximum lifespan by 18 and 12%, respectively [19293945]. Nematode
    F13G3.10 RNAi of F13G3.10 extends mean and maximum lifespan by 11 and 14%, respectively [19293945]. Nematode
    rps-27 Ribosomal Protein, Small subunit Knockdown of rps-27 by RNAi extends mean and maximum lifespan by 50 and 44%, respectively [19293945]. Nematode
    E01A2.2 RNAi against E01A2.2 increases mean and maximum lifespan by 11 and 18%, respectively [19293945]. Nematode
    B0035.12 RNAi of B0035.12 increases mean and maximum lifespan by 12 and 20%, respectively [19293945]. Nematode
    mak-2 MAP kinase Activated protein Kinase RNAi of mak-2 increases mean and maximum lifespan by 12 and 14% [19293945]. Nematode
    rict-1 RICT0r (Rapamycin-Insensitive Companion of TOR) homolog C. elegans with mutations in the TORC2 complex gene rict-1 (Rictor) grow slowly and have small body size, and live slightly longer than wild-type when maintained on “rich” food such as the RNAi feeding strain HT115 and at elevuated temperature (25 degree Celsius) [Soukas et al., 2009 in (Robida-Stubbs et al., 2012)]. rict-1 RNAi at 20 degree Celsius in the adulthood increases mean, median, 75th %ile and maximum lifespan by 12-42, 22-29, 13-32 and 28-54%, respectively, dependent on skn-1. daf-16 is not required for lifespan to be increased by rict-1 RNAi, or when TORC1 and TORC2 are blocked by ragc-1;rict-1 RNAi. rict-1 RNAi extends mean, median, 75th %ile and maximum lifespan in the intestine-specific RNA stains VPS288 by 18, 19, 18 and 16%, respectively [22560223]. Nematode
    eif-1 Eukaryotic Initiation Factor 1 RNA interference against eif-1 in the adulthood extends mean lifespan by 25% [17411345]. eif-1 RNAi only during the adulthood increases mean, median and 75th %ile lifespan by 23-35, 38 and 22-40%, respectively [22560223]. Nematode
    raga-1 RAs-related GTP-binding protein A raga-1 RNAi only during adulthood increases mean, median, 75th %ile and maximum lifespan by 9-42, 26-28, 16-52 and 35%, respectively, but failed so in skn-1 or daf-16 mutant (with and without FUdR). Lifespan of the skn-1;daf-16 mutant was unaffected by raga-1 RNAi. Knockdown of raga-1 dramatically increases stress tolerance in an skn-1 but not daf-16-dependent manner [22560223]. Nematode
    ragc-1 RAs-related GTP binding protein C homolog ragc-1 RNAi only during adulthood increases mean, median and maximum lifespan by 13-33, 21 and 33-37% respectively, but failed so in skn-1 or daf-16 mutant (with and without FUdR). Interference with TORC1 by ragc-1 RNAi increases heat resistance in daf-16 and skn-1 mutants, but not not in skn-1;daf-16 double mutant. ragc-1 RNAi increases lifespan in a strain in which RNAi is restricted to the intestine (VP288). RNAi of ragc-1 decreases overall mRNA translation but increases autophagy (measured by LGG-1 puncta) [22560223]. Nematode
    hcf-1 Host Cell Factor-1 hcf-1 is conserved protein [12826401], ubiquitously expression in C. elegans under normal culture conditions and predominantly nuclear [7876203]. HCF-1 forms a complex with DAF-16. hcf-1 inactivation by mutation cause a daf-16-dependent lifespan extension of up to 40% and heightened resistance to specific stimuli. The hcf-1(ok559) mutation increases mean and maximum lifespan by 10-37 and 29%, while the strong hcf-1(pk924) mutation extends mean and maximum lifespan by 29-31 and 53-88%, respectively. In the absence of hcf-1 there is a greater enrichment of DAF-16 at its target gene promoters and more robust DAF-16-mediated regulation of selective transcriptional targets. hcf-1 mutation extends lifespan of glp-1(e2141) mutants which lack germline cells, [18828672]. SKN-1 contributes to the enhanced oxidative stress resistance incurred by hcf-1 mutation. HCF-1 prevents the nuclear accumulation of SKN-1 and represses the transcriptional activation of SKN-1 specifically at target genes involved in cellular detoxification [22568582]. Nematode
    ncbp-2 Nuclear Cap-Binding Protein RNAi against ncbp-2 decreases mean and maximum lifespan by 23-25% and 7%, respectively [18059442]. Nematode
    max-2 Motor AXon guidance 2 RNAi against max-2 increases mean lifespan by 21-29% [18059442]. Nematode
    R03D7.4 RNAi against R03D7.4 increases mean and maximum lifespan by 9-17% and 7%, respectively [18059442]. Nematode
    fzy-1 FiZzY (CDC20 protein family) homolog RNAi against fzy-1 increases mean and maximum lifespan by 17-32% and 14%, respectively [18059442]. Nematode
    bub-3 yeast BUB homolog RNAi against bub-3 increases mean and maximum lifespan by 6-7% and 7%, respectively [18059442]. Nematode
    prx-11 PeRoXisome assembly factor RNAi against prx-11 increases mean and maximum lifespan 11% [22509016]. Nematode
    prx-13 PeRoXisome assembly factor Knockdown of prx-13 increases mean and maximum lifespan by 17% (28%!) and 11% respectively. prx-13 knockdown from hatching does no effect [22509016]. Nematode
    F18F11.1 F18F11.1 knockdown extends mean lifespan by 17% and 11%, respectively [22509016]. Nematode
    par-6 Partitioning defective protein 6 par-6 RNAi in the adulthood extends the lifespan [New longevity regulators]. Nematode
    let-92 LEThal let-92 RNAi in the adulthood extends the lifespan [New longevity regulators]. Nematode
    Factors are an extension of GenAge and GenDR.

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