long vs WBbt:0003760
Refuting evidence (1)
These hormonally induced lifespan extension mechanisms may not necessarily be relevant to humans and other long-lived organisms that naturally show successful slow aging.
Supporting evidence (81)
Long noncoding RNAs are thought to regulate gene expression by organizing protein complexes through unclear mechanisms.
Moreover, molecular dynamics simulation, through the analysis of RMSD, RMSF, RG, SASA and cluster analysis, proved the prolonged effective inhibition of ALN on T. spiralis inorganic pyrophosphatase, as an essential surface protein required for molting and developmental process of intestinal larval stages.
This study demonstrated that long-term EMB exposure causes significant parental reproductive and offspring neurodevelopmental toxicity in aquatic organisms, thus highlighting the importance of environmental risk assessment and pollution control.
Silent information regulator 2 (Sir2) orthologs are an evolutionarily conserved family of NAD-dependent protein deacetylases that regulate aging and longevity in model organisms.
AMPK/SNF1 also promotes longevity in several model organisms, including yeast.
Furthermore, caloric restriction (CR) is frequently used as a tool to study mechanisms behind aging and age-associated diseases because CR can prevent age-related diseases and prolong lifespan in several model organisms.
Autophagy is activated in several long-lived model organisms and contrib- utes to their longevity.
Moreover, LF has a pivotal role in modulating the major signaling pathways that influence the longevity of organisms.
Overall, our data indicates that investigating sex differences in longevity in the clonal organism Daphnia under controlled laboratory conditions can provide insight into principal mechanisms of ageing and lifespan regulation.
Importantly, many of the CRM candidates activate autophagy, prolong life- and healthspan in model organisms and ameliorate diverse disease symptoms without the need to cut calories.
Many compounds isolated from plants and fungi prolong lifespan and prevent age-related diseases in model organisms.
Functional autophagy promotes longevity in several model organisms.
We also observed that caloric restriction, which promotes longevity in various model organisms, extends lifespan of UPR-deficient strains.
The function of miRNAs in modulating aging procedures has been disclosed recently with the detection of miRNAs that modulate longevity in the invertebrate model organisms through the IIS pathway.
Intriguingly, Pol III activation achieved through impairment of its master repressor, Maf1, has also been shown to promote longevity in model organisms, including mice.
We find that reduced expression of Pol III, RPs, or Pol I promotes longevity from different organs, namely visceral adipose, liver, and skeletal muscle, echoing the tissue specificity of ribosomopathies.
However, effects of overexpression of genes controlling JAK/STAT signal transduction on longevity of model organisms have not been studied.
It causes the elongation of the lifespan of model organisms, alleviates ageing symptoms and postpones the progression of age-related diseases in which cellular senescence is directly involved.
Radiation induced liver disease (RILD) can cause acute and long-term organ dysfunction that potentially leads to death.
Sirtuin 6 (SIRT6), a member of class III NAD+-dependent deacetylases belonging to the sirtuin family, regulates senescence, metabolism, and inflammation and extends lifespan in mice and model organisms.
Inhibition of the protein kinase mechanistic target of rapamycin (mTOR) with the Food and Drug Administration (FDA)-approved therapeutic rapamycin promotes health and longevity in diverse model organisms.
In this study, we take previously identified drug candidates that have significant evidence of prolonging lifespan and promoting healthy aging in model organisms, and simulate them in human metabolic interactome networks.
Previous work showed that mild-heat stress induces longevity hormesis in a model organism, D. melanogaster.
The widely used antidiabetic drug metformin promotes longevity across diverse model organisms, from yeast to primates, yet the cellular mechanisms by which it acts are not fully resolved.
Given the overwhelming evidence that the FoxO factors promote longevity in invertebrates, this review will also discuss the potential role of the FoxO factors in the aging of mammalian organisms.
Among many others, the topics include genes that accelerate aging or in contrast promote longevity in model organisms, DNA damage responses and telomeres, molecular mechanisms of life span extension by calorie restriction and pharmacological interventions into aging.
Sirtuins, a group of conserved NAD(+)-dependent deacetylases or ADP-ribosyltransferases, promote longevity in diverse organisms; however, their molecular mechanisms in ageing regulation remain poorly understood.
It regulates longevity in several model organisms and is involved in several processes in mammalian cells including cell survival, differentiation, and metabolism.
SIRT1 is a NAD+ dependent deacetylase that is known to regulate caloric restriction mediated longevity in model organisms, and has also been linked to the insulin/IGF signaling pathway.
Compounds such as these, identified from longevity studies in model organisms, hold great promise as therapies to target multiple age-related diseases by modulating the molecular causes of aging.
The findings also show that prolonged up-regulation of p53 associated with some features of senescence does not inevitably cause organ failure.
Pathogen-induced inflammation associated with infant and childhood diarrhea can damage the gut wall long after the invading organisms are no longer present.
Methylmercury is transported along aquatic food chains from the lower trophic levels and selenium modulates the biokinetics of mercury in organisms in complex ways.
Colonic longitudinal muscle strips were prepared in the organ bath under basal condition or to be stimulated by acetylcholine and potassium chloride, and consecutive concentrations of trimebutine maleate were added to the bath to record the strip responses.
I. along with the dependency of elimination on exposure route, demonstrates the potential importance of these processes in controlling the fate and effects of PAH and possibly other organic toxicants in contaminated marine sediments.
In this review, the molecular mechanisms by which autophagy genes interact with longevity pathways in diverse organisms ranging from yeast to mammals are discussed.
Here, we review such investigations, and we will report human longevity association studies regarding the variability of genes which modulate lifespan in model organisms by interacting with the insulin/IGF-1 pathway.
Vps33p homologues contain a Sec1 domain and belong to the family of Sec1/Munc18 (SM) proteins that regulate fusion of membrane-bound organelles and interact with other vps proteins and also SNARE proteins that execute membrane fusion in all cells.
Alongside the molecular map, these progeny lines can be used for analyses of genome organization and the inheritance of phenotypic traits that have key functions in modulating parasitism, behavior, and survival and for the eventual identification of the responsible genes.
Long non-coding RNAs (lncRNAs) are important in regulating the response to environmental stresses in organisms.
Low temperatures delay aging and promote longevity in many organisms.
The BSA decoration on the surface of GO prevents the acute and prolonged toxicity induced by GO in primary and secondary organs by maintaining normal intestinal permeability, defecation behavior, development, and reproduction.
The long terminal repeat (LTR) retrotransposons contain several regulatory sequences including promoters and enhancers that regulate endogenous gene expression and thereby control organismal development and response to environmental change.
As well as the pivotal role of curcumin on the modulating of major signaling pathways that influence longevity of organisms like IIS, mTOR, PKA, and FOXO signaling pathways.
MR not only promotes extended longevity in these organisms, but in the case of yeast has also been shown to improve stress tolerance.
We show that 4E-BP determines Drosophila lifespan in the context of temperature changes, revealing a genetic mechanism for cold-induced longevity in this model organism.
Up-regulation of IGF1 can transactivate EGFR which inturn reduces longevity and promotes tumor development in an organism.
The mTOR pathway promotes protein and lipid synthesis and inhibits autophagy, a process known for its contribution to longevity in several model organisms.
Thus, the aim of the review is to scrutinize longevity promoting efficacies of various plant extracts in lower model organisms.
To address this question, we reviewed experiments that compared the fitness and lifespan advantage of long-lived mutants relative to wild type controls in SLEs and more challenging environments in various model organisms such as yeast Saccharomyces cerevisiae, the nematode worm Caenorhabditis elegans, the fruitfly Drosophila melanogaster and the mouse Mus musculus.
Longevity mutants across the spectrum of model organisms demonstrate that rates of aging are regulated through genetic control of cellular processes.
When this process is artificially stimulated in mutants with elevated mtROS generation or with drug treatments it leads to lifespan prolongations beyond the normal lifespan of the organism.
Sensory perception, including thermosensation, shapes longevity in diverse organisms, but longevity-modulating signals from the sensory neurons are largely obscure.
Importantly, interventions that promote longevity such as low insulin signaling, germ-line loss, and dietary restriction, which effectively delay aging in evolutionary divergent organisms, diminish the rate of ectopic fat accumulation and the size of lipid droplets.
However, little is known about whether and how cranberry by itself promotes longevity and healthspan in any organism.
We conclude that there is limited evidence that mild heat stress is a universal way of promoting longevity at the whole-organism level.
A prolonged exposure to MWCNTs at predicted environmental relevant concentrations caused adverse effects associated with both the primary and secondary targeted organs on nematodes.
These amphipathic molecules with detergent-like properties display numerous beneficial effects on various longevity- and healthspan-promoting processes in evolutionarily distant organisms.
However, despite the pro-longevity and antioxidant roles of stress-activated Cnc factors, their activity paradoxically declines in aging model organisms and in humans suffering from progressive respiratory disease or neurodegeneration.
These findings complement expanding evidence that autophagy mediates cytoprotection against a variety of noxious agents and can confer longevity when induced at the whole-organism level.
As the presence and activity of stress-inducing agents vary along the day, organisms that are able to predict these periodic changes are better fit to survive.
Signal transduction pathways that regulate longevity, immunity, and stress resistance can profoundly affect organismal survival.
Dietary restriction, reduced IGF-signaling and, seemingly, reduced ROS-induced damage are the best known mechanisms for extending longevity in a variety of organisms.
Dietary restriction (DR) and reduced insulin/IGF-I-like signaling (IIS) are two regimens that promote longevity in a variety of organisms.
Dietary restriction is known to promote longevity in a variety of eukaryotic organisms.
This pathway, closely related to the insulin and insulinlike growth factor-signaling pathways of mammals, modulates longevity and stress resistance in several model organisms.
The NAD-dependent protein deacetylase, SIR2, is required for life span extension in yeast induced by caloric restriction, which also increases longevity in a wide variety of other organisms, including mammals.
The Hox genes are expressed in a conserved sequence of spatial domains along the anteroposterior (A/P) body axes of many organisms.
In the longer term, in many invertebrates and vertebrates, neural reorganization including anatomical regeneration can restore locomotion after severe perturbations that initially caused paralysis.
Indeed, upstream signalling pathways, such as TOR, are strongly linked to DR-induced longevity in various organisms.
FOXO transcription factors have been shown to regulate longevity in model organisms and are associated with longevity in humans.
Periodic prolonged fasting (PF) extends lifespan in model organisms and ameliorates multiple disease states both clinically and experimentally owing, in part, to its ability to modulate the immune system.
We screened 10 green microalgae strains belonging to the Chlorophyta phylum for their potential to inhibit the growth of photosynthetic and nonphotosynthetic organisms.
Studies in invertebrates and mammalian cortices show that synapses are clustered along neurite extensions, an organization that promotes key functional roles.
Our findings highlight the beneficial effects of β-sitosterol, and its promise as a natural compound for promoting both longevity and healthspan in model organisms through proteomics and metabolomics approaches.
In this study, DMSP was shown to promote longevity and prevent age-associated functional decline in Caenorhabditis elegans (C. elegans), a soil-dwelling organism.
Moreover, knockout or knockdown of the enzymes required for EIF5A hypusination abolish fasting-mediated autophagy enhancement and longevity extension in these organisms.
While the maternal component may contribute to a more general/ventral type of induction, increasing concentrations of the zygotic component along with the activation of primary response genes may contribute to the dorsalization of the organizer.
Enhanced systemic insulin sensitivity in long-lived GHRH-/- mice is associated with differential activation of insulin signaling cascades among various organs.
The measured endpoints were the bioluminescence inhibition of Vibrio fischeri (bacterium), the dehydrogenase activity inhibition of Azomonas agilis (bacterium), the reproduction inhibition of Tetrahymena pyriformis (protozoon), and Panagrellus redivivus (nematode), the mortality of Folsomia candida (springtail), the root and shoot elongation inhibition of Sinapis alba (plant: white mustard) and the nitrification activity inhibition of an uncontaminated garden soil used as "test organism".
However, prolonged activation of immune responses can have serious negative consequences on host health, including impaired organismal development and fitness.
Uncertain evidence (13)
We conclude that GDNF messenger RNA is regulated, in part, via glutamate-mediated excitation and may play a role in long-lasting structural and/or functional reorganization in the hippocampal formation.
This study shows that SIRT1 affects human long-term survival and therefore may be an important factor in modulating lifespan not only in lower organisms, but also in humans.
Taken together, long-term oral administration of LC-Plasma could prevent immune-senescence and other senescence phenotypes at the organ level.
This study may serve to stimulate further investigations, which on the one hand show such a life-prolonging effect also in other organisms and on the other hand identify the substances responsible for this effect.
The dietary polyphenolic compound resveratrol, by activating the protein deacetylase enzyme silent information regulator 2/sirtuin 1 (SIRT1), prolongs life span in evolutionarily distant organisms and may mimic the cytoprotective effects of dietary restriction.
The SIR2 gene promotes longevity in a variety of organisms and may underlie the health benefits of caloric restriction, a diet that delays aging and neurodegeneration in mammals.
Collected data suggested that the ampulla may belong to a network of organs involved in controlling and facing oxidative stress in different situations.
We hypothesized that long-term exposure to GO-SH may cause the adverse effects on environmental organisms.
It will now be critical to tease apart these programs, because each may involve different longevity-promoting mechanisms that may be relevant to higher organisms.
The aim of this study was to identify the possible longevity, fertility and growth promoting properties of different ethanolic extract concentrations of pomegranate in Caenorhabditis elegans, which is increasingly popular and has proven to be a very useful experimental model organism for aging studies as well as for testing antioxidants and other compounds for effects on longevity.
Furthermore, the high degree of conservation between diverse species in the genes and pathways that regulate longevity suggests that work in model organisms can both expand our theoretical knowledge of aging and perhaps provide new therapeutic targets for the treatment of age-related disorders.
Thus, our data suggest that prolonged exposure to GO may cause potential risk to environmental organisms after release into the environment.
Instead, downstream effectors that are necessary and sufficient to promote longevity across conditions or organisms may reveal the fundamental anti-aging drivers.