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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  • symbol name observation species
    MIRC29 microRNA 29c hsa-miR-29c is significantly upregulated in senescent human mesenchymal stem cells (hMSCs) when compared to early passage hMSC [18493317]. Human
    Mir98 microRNA mir-98 miR-98-3p is the only miRNA significantly differentially expressed (upregulated) under DR and LA (lipoic acid; a DR-mimetic) treatment. Across mouse, rat and human predicted targets of miR-98-3p include the glutamate receptors, calcium transporters, histones and histone acetyltransferase/deacetylases. miR-89-3p is expressed at a low level and is highly conserved in rat, mouse, human and anplis lizard. Mir-98 precursor is located on the X-chromosome. In the rat, mouse and human genome it overlaps an E3 ubiquitin ligase HUWE which is involved in regulation of apoptosis, regulation of neural differentiation and proliferation, DNA damage repair [Shona et al. 2013]. miR-98 expression is significantly decreased in the adventitia and endomembrane ath different degrees in Goto-Kakizaki rat, a model of type 2 diabetes. miR-98 targets TRB2 which is increased in expression in this model of type 2 diabetes. TRB2 phosphorylates Akt [22012613]. The mouse ortholog of Mir98 may by associated with the germline [16766679]. Norway rat
    Mir93 microRNA mir-93 Increases in Aging rat Liver, which suppresses the expression of such proteins as Sirt1 and Mgst1, resulting in dysfunction of oxidative stress defense and regulation [21216258] Norway rat
    Mir669c microRNA 669c Expression increases with age in mouse liver. The miRNA downregulates detoxification and regeneration genes, which may contribute to aging [18561983]. House mouse
    MIR499 microRNA-449 hsa-miR-499 is significantly upregulated in senescent human mesenchymal stem cells (hMSCs) when compared to early passage hMSC [18493317]. Human
    Mir489 microRNA 489 Mir489 is maintaining adult stem cells in quiescence phase. Inhibition of miR489 is sufficient to make murine satellite muscle cells exit the quiescence phase and enter the cell cycle through downregulation of the oncogene Dek [22358842]. House mouse
    MIR373 microRNA 373 miR-373 expression is able to bypass RAS-induced senescence in presence of wild-type p53 [16564011]. Human
    MIR372 microRNA 372 miR-372 expression is able to bypass RAS-induced senescence in presence of wild-type p53 [16564011]. Human
    MIR371A microRNA 371a hsa-miR-371 is significantly upregulated in senescent human mesenchymal stem cells (hMSCs) when compared to early passage hMSC [18493317]. Human
    MIR369 microRNA 369 hsa-miR-369-5p is significantly upregulated in senescent human mesenchymal stem cells (hMSCs) when compared to early passage hMSC [18493317]. Human
    MIR34C microRNA 34c Human
    MIR34B microRNA 34b mir-34 family, particularly miR-34a, as downstream effectors of p53 involved in cell cycle [17656095], leads to cell cycle arrest, increased expression of Beta-galactosidase [17554337] and downregulation of E3F family target genes [17875987]. MDM2 inhibiting drug Nutlin-3, leads to p53 activation, induced up-regulation of primarily miR-34a and later miR-34b and miR-34c [18451145]. Human
    MIR34A microRNA 34a mir-34 family, particularly miR-34a, as downstream effectors of p53 involved in cell cycle [17656095], leads to cell cycle arrest, increased expression of Beta-galactosidase [17554337] and downregulation of E3F family target genes [17875987]. MDM2 inhibiting drug Nutlin-3, leads to p53 activation, induced up-regulation of primarily miR-34a and later miR-34b and miR-34c [18451145]. Human
    Mir34a microRNA mir-34a Increases in aging rat liver, which suppresses the expression of such proteins as Sirt1 and Mgst1, resulting in dysfunction of oxidative stress defense and regulation [21216258] Norway rat
    MIR29A microRNA 29a miR-29a reduces the amount of methylation and upregulates a long non-coding RNA form a region called MEG3 that is responsible for inducing apoptotic pathway. Thus reducing tumorgensis in non-malignant hepatocytes [21625215]. Human
    Mir27a MicroRNA 27a In Ames dwarf mice (which displays delayed Aging), Mir27a expression is significantly higher than in control mice. Mir27a may be responsible for delayed Aging in dwarf mice: it suppresses the expression of ODC1 and SRM, which in turn suppresses polyamine synthesis in dwarf mice liver. Part of the ability of dwarf mice to suppress or avoid tumor or Cancer growth may be attributed to the decreased Polyamine biosynthesis. [19878148] House mouse
    MIR27A microRNA 27a MIR27A can be both a tumor-suppressor and an oncogene. For instance, the expression of miR-27a is significantly lower in acute leukemia compared to normal cells. It has been shown that miRNA-27a inhibits cell growth and promotes apoptosis by targeting 14-3-3θ, a member of 14-3-3 family of anti-apoptotic proteins. [23236401]. Therefore, it acts as a tumor-suppressor in leukemia. However, in gastric cancer mir-27a acts as an oncogene by targeting inhibiting and thus promoting cancer cell growth [18789835]. Human
    miR222 microRNA 222 miR221 and miR222 downregulate PTEN, a major tumor suppressor and TIMP3, which induces activation of caspases 8 and 9 [19962668]. Thus miR221 and miR222 enhance tumorigenecity in cell lung cancer, gastric cancer and hepatocarcinoma cells [20618998]. Human
    miR221 microRNA 221 miR221 and miR222 downregulate PTEN, a major tumor suppressor and TIMP3, which induces activation of caspases 8 and 9 [19962668]. Thus miR221 and miR222 enhance tumorigenecity in cell lung cancer, gastric cancer and hepatocarcinoma cells [20618998] Human
    MIR217 microRNA 217 MIR217 (alias hsa-miR-217) is significantly upregulated in senescent human mesenchymal stem cells (hMSCs) when compared to early passage hMSC, but overall had very low expression levels [18493317]. Human
    MIR21 MIRN21; hsa-mir-21; miR-21; miRNA21 MIR21 is the most highly expressed microRNA gene in octogenarians and centenarians. MIR21 expression is higher under cardiovascular diseases and lower in centenarian offspring. MIR21 is correlated with C-reactive protein and fibrinogen levels. TGF-βR2 mRNA, a MIR21 target, exhibits the highest expression in leukocytes form a subset of octogenarians. MIR-21 may be a biomarker of inflammation [23041385]. Human
    MIR20A microRNA 20a Overexpression of MiR-20a in mouse embryonic fibroblasts induces senescence by lowering Lrf (a transcriptional repressor of the Mdm2 inhibitor p19ARF [15662416; 9529248]) protein levels and in turn increasing p19ARF levels [18596985]. House mouse
    miR17 microRNA 17 miR17 is downregulated in senescent cells and has a good correlation with p21 transcription, while p53 represses mir17-92 cluster [20437201; 20089119] Human
    MIR16-1 microRNA16-1 MIR16-1 is a tumor-suppressor downregulated in different types of cancers. In chronic lymphocytic leukemia (CLL) it is downregulated in 68% of cases [12434020]. MIR16-1 may post-transcriptionally downregulate the expression of Bcl2, thus inducing apoptosis. Therefore, inactivation of MIR15A and MIR16-1 in CLL lymphocytes results in a reduced apoptosis rate [16166262]. In prostate cancer, MIR15A and MIR16-1 are downregulated, which results in decreased repression of FGF-2, thus promoting tumor expansion and invasiveness [21532615]. MIR15A and MIR16-1 are also downregulated in pituitary adenomas as thier expression exhibits an inverse correlation with tumor diameter, therefore possible influence on tumor growth [15648093]. Human
    MIR15A microRNA 15a MIR15A is a tumor-suppressor downregulated in different types of cancers. In chronic lymphocytic leukemia (CLL) it is downregulated in 68% of cases [12434020]. MIR15A may post-transcriptionally downregulate the expression of Bcl2, thus inducing apoptosis. Therefore, inactivation of MIR15A and MIR16-1 in CLL lymphocytes results in a reduced apoptosis rate [16166262]. In prostate cancer, MIR15A and MIR16-1 are downregulated, which results in decreased repression of FGF-2, thus promoting tumor expansion and invasiveness [21532615]. MIR15A and MIR16-1 are also downregulated in pituitary adenomas as thier expression exhibits an inverse correlation with tumor diameter, therefore possible influence on tumor growth [15648093]. Human
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    • 25 of 52 factors
    Factors are an extension of GenAge and GenDR.

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