Zum Inhalt springen

Altern/Studienübersicht

Aus MOOCsWiki Staging
Version vom 28. September 2026, 23:29 Uhr von Glanz (Diskussion | Beiträge) (Aging daily 6de7ad6c60c644adbcd2368820f28bd1 347a4110f8e6)
(Unterschied) ← Nächstältere Version | Aktuelle Version (Unterschied) | Nächstjüngere Version → (Unterschied)
a.AGINGFORSCHUNG IM WANDEL
Fortlaufendes KI-ForschungsprojektHintergründe · Ziele · ArbeitsweiseStand 28.09.2026

Ergänzung vom 28.09.2026

Literatur verbinden. Annahmen herausfordern. Funktion verstehen.

AG-R01

Youth-associated protein TIMP2 regulates microglial state and function in healthy and aged mice

Hemmer BM; Philippi SM et al. · Nature Communications · 2026-08-12 · DOI 10.1038/s41467-026-74906-z

Modell / Design: Mouse; genetic loss of function and supplementation; original research.

Evidenz: mechanistic intervention; moderate, preclinical.

Zugriff / Grenzen: publisher full text · Opposing substrate directions in Results; see bilingual dossier. Not silently corrected.

Originalstudie

AG-R02

Ageing promotes microglial accumulation of slow-degrading synaptic proteins

Guldner IH et al. · Nature · 2026-01-21 · DOI 10.1038/s41586-025-09987-9

Modell / Design: Mouse; neuron-specific protein tracing; original research.

Evidenz: mechanistic tracing; moderate, preclinical.

Zugriff / Grenzen: publisher full text

Originalstudie

AG-R03

Early mitophagy activation by Urolithin A prevents, but late activation does not reverse, age-related cognitive impairment

Jara C et al. · npj Aging · 2026-03-05 · DOI 10.1038/s41514-026-00351-3

Modell / Design: C57BL/6 and SAMP8 mice; original research.

Evidenz: intervention; moderate within model, timing comparison confounded.

Zugriff / Grenzen: publisher full text

Originalstudie

AG-R04

The mitochondrial unfolded protein response in human microglia disrupts neuronal–glial communication and promotes senescence

Perez J MJ et al. · Nature Neuroscience · 2026-06-26 · DOI 10.1038/s41593-026-02320-1

Modell / Design: Human cellular models; induced mitochondrial stress; original research.

Evidenz: mechanistic intervention; moderate in vitro, low aging translation.

Zugriff / Grenzen: publisher full text

Originalstudie

AG-R05

Human umbilical cord plasma proteins revitalize hippocampal function in aged mice

Castellano JM et al. · Nature · 2017-04-19 · DOI 10.1038/nature22067

Modell / Design: Aged mouse; original research.

Evidenz: preclinical intervention; access-limited appraisal here.

Zugriff / Grenzen: publisher abstract and bibliographic metadata

Originalstudie

AG-R06

Oxidative stress causes a reversible decrease of deubiquitylases activity in old vertebrate brains

Sahu AK et al. · Nature Communications · 2026-04-21 · DOI 10.1038/s41467-026-71921-y

Modell / Design: Vertebrate brain and cellular models; original research.

Evidenz: mechanistic intervention; moderate, preclinical.

Zugriff / Grenzen: publisher full text

Originalstudie

AG-R07

Targeting iron-associated protein Ftl1 in the brain of old mice improves age-related cognitive impairment

Remesal L et al. · Nature Aging · 2025-08-19 · DOI 10.1038/s43587-025-00940-z

Modell / Design: Mouse and cellular models; original research.

Evidenz: mechanistic intervention; moderate, preclinical.

Zugriff / Grenzen: publisher full text

Originalstudie

AG-R08

Noncanonical Activity of Tissue Inhibitor of Metalloproteinases 2 (TIMP2) Improves Cognition and Synapse Density in Aging

Britton R et al. · eNeuro · 2023-06-15 · DOI 10.1523/ENEURO.0031-23.2023

Modell / Design: Aged male C57BL/6J mice; original research.

Evidenz: preclinical intervention; partial-access appraisal.

Zugriff / Grenzen: PubMed abstract/figure captions and indexed publisher excerpts; publisher open returned 403; PMC returned CAPTCHA

Originalstudie

Studienübersicht

DOI, Datum, Modell, Design, Evidenz und Peer-Review.

Publikationsdatum bezeichnet das erste Online-Datum, beim Preprint die ausgewiesene Fassung. Stärke bezieht sich auf den jeweiligen Aussagebereich; sämtliche Literaturbefunde sind ⚪ Projektstufe 1. „Nicht beurteilt“ ist keine Bestätigung und keine Widerlegung.

AG-S01

Cellular senescence promotes progenitor cell expansion during axolotl limb regeneration

Yu Q et al. · Developmental Cell · 2023-10-24 · DOI 10.1016/j.devcel.2023.09.009

Modell / Design: Axolotl limb; Gain/loss of function.

Evidenz: moderate, preclinical mechanism. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Primary abstract and article metadata.

Originalquelle

AG-S02

Single-cell Stereo-seq reveals induced progenitor cells involved in axolotl brain regeneration

Wei X et al. · Science · 2022-09-02 · DOI 10.1126/science.abp9444

Modell / Design: Axolotl telencephalon; Spatial single-cell transcriptomics.

Evidenz: moderate, descriptive animal atlas. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Primary abstract and article metadata.

Originalquelle

AG-S03

Molecular basis of positional memory in limb regeneration

Otsuki L et al. · Nature · 2025-05-21 · DOI 10.1038/s41586-025-09036-5

Modell / Design: Axolotl limb; Lineage analysis and signalling perturbation.

Evidenz: moderate, preclinical mechanism. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Publisher full text and primary abstract.

Originalquelle

AG-S04

Adrenergic signaling coordinates distant and local responses to amputation in axolotl

Payzin-Dogru D et al. · Cell · 2025-10-24 · DOI 10.1016/j.cell.2025.09.025

Modell / Design: Axolotl amputation; Systemic and local signalling perturbation.

Evidenz: moderate, preclinical mechanism. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Publisher summary; PMC publication metadata.

Originalquelle

AG-S05

Neuronal activation in the axolotl brain promotes tail regeneration

Walker SE et al. · npj Regenerative Medicine · 2025-05-08 · DOI 10.1038/s41536-025-00413-2

Modell / Design: Axolotl brain and tail; Neural mapping and pharmacological perturbation.

Evidenz: moderate, preclinical mechanism. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Publisher full text.

Originalquelle

AG-S06

Metabolic changes during cardiac regeneration in the axolotl

Dittrich A et al. · Developmental Dynamics · 2025-03-22 · DOI 10.1002/dvdy.70020

Modell / Design: Axolotl cardiac cryoinjury; Metabolic profiling and oxygen intervention.

Evidenz: limited-to-moderate, exploratory animal study. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Publisher metadata and PMC indexed full text.

Originalquelle

AG-S07

A characterization of axolotl digit regeneration: conserved mechanisms, divergent patterning, and a critical role for hedgehog signaling

Griffiths JR et al. · npj Regenerative Medicine · 2026-03-25 · DOI 10.1038/s41536-026-00461-2

Modell / Design: Juvenile axolotl digits; Anatomical comparison and hedgehog perturbation.

Evidenz: moderate, endpoint- and anatomy-specific animal evidence. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Publisher full text.

Originalquelle

AG-S08

Oxidative stress causes a reversible decrease of deubiquitylases activity in old vertebrate brains

Sahu AK et al. · Nature Communications · 2026-04-21 · DOI 10.1038/s41467-026-71921-y

Modell / Design: Mouse, killifish, human iPSC-derived neurons; Activity-based proteomics and perturbation.

Evidenz: moderate, multi-model preclinical mechanism. Begutachtet: ja.

Unabhängige Reproduktion: Multiple cohorts/models within one paper; external replication not assessed. Zugriff: Publisher full text.

Originalquelle

AG-S09

Targeting iron-associated protein Ftl1 in the brain of old mice improves age-related cognitive impairment

Remesal L et al. · Nature Aging · 2025-08-19 · DOI 10.1038/s43587-025-00940-z

Modell / Design: Mouse hippocampus and primary neurons; Viral/genetic manipulation and behavioural readouts.

Evidenz: moderate, preclinical intervention. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Publisher full text.

Originalquelle

AG-S10

Ageing promotes microglial accumulation of slow-degrading synaptic proteins

Guldner IH et al. · Nature · 2026-01-21 · DOI 10.1038/s41586-025-09987-9

Modell / Design: Mouse neuronal proteome; complementary human material; Cell-specific pulse-chase proteomics and microglial analysis.

Evidenz: moderate, descriptive/longitudinal protein-tracing animal evidence. Begutachtet: ja.

Unabhängige Reproduktion: not assessed. Zugriff: Publisher full text.

Originalquelle

AG-S11

Single-cell transcriptomic and genomic changes in the ageing human brain

Jeffries AM et al. · Nature · 2025-09-03 · DOI 10.1038/s41586-025-09435-8

Modell / Design: Human post-mortem prefrontal cortex; snRNA-seq, single-cell genome sequencing, spatial validation.

Evidenz: moderate, cross-sectional human observation. Begutachtet: ja.

Unabhängige Reproduktion: Within-paper orthogonal validation; external replication not assessed. Zugriff: Publisher full text.

Originalquelle

AG-S12

Organ-specific proteomic aging clocks predict disease and longevity across diverse populations

Wang Y et al. · Nature Aging · 2025-11-26 · DOI 10.1038/s43587-025-01016-8

Modell / Design: UK, Chinese and US human cohorts; Observational plasma proteomics with external cohort validation.

Evidenz: moderate-to-strong for prediction; not causal or interventional. Begutachtet: ja.

Unabhängige Reproduktion: External cohorts within one publication; distinct external team not established. Zugriff: Publisher full text.

Originalquelle

AG-S13

Shifts in protein aggregate stability define proteostasis decline in the aging human brain

Anderton E et al. · bioRxiv · 2026-04-18 · DOI 10.64898/2026.03.27.714902

Modell / Design: Human post-mortem hippocampus; Detergent-fractionation proteomics.

Evidenz: low, unreviewed human observation. Begutachtet: NEIN – Preprint.

Unabhängige Reproduktion: not established. Zugriff: Version-2 indexed abstract; version-1 primary full text; version-2 metadata.

Originalquelle

AG-S14

Temperature-Dependent Modulation of Cardiac Metabolism, Post-Injury Survival and Regenerative Rate in Axolotls

Dittrich A et al. · Metabolites · 2026-06-13 · DOI 10.3390/metabo16060414

Modell / Design: Adult axolotl cardiac cryoinjury; Temperature intervention; imaging, physiology and histology.

Evidenz: limited-to-moderate, small preclinical groups. Begutachtet: ja.

Unabhängige Reproduktion: Not assessed; author overlap with AG-S06. Zugriff: PMC primary full text and PubMed publication metadata.

Originalquelle


Aktueller Bericht mit Quellen und Evidenz · Statusregeln

Neue menschliche Vergleichsmaßstäbe

Vollständige Evidenzeinordnung und Quellen AG-J01 bis AG-J03

  • AG-J01 · Effect of Structured Physical Activity on Prevention of Major Mobility Disability in Older Adults: The LIFE Study Randomized Clinical Trial · 2014-05-27 · Original study
  • AG-J02 · A 2 year multidomain intervention of diet, exercise, cognitive training, and vascular risk monitoring versus control to prevent cognitive decline in at-risk elderly people (FINGER): a randomised controlled trial · 2015-03-12 · Original study
  • AG-J03 · Structured vs Self-Guided Multidomain Lifestyle Interventions for Global Cognitive Function: The US POINTER Randomized Clinical Trial · 2025-07-28 · Original study

22 DOI-eindeutige Arbeiten tragen 25 Quellen-IDs. Aliaspaare: AG-R02 = AG-S10; AG-R06 = AG-S08; AG-R07 = AG-S09. Diese Mehrfachverweise zählen nicht als zusätzliche Studien oder Replikationen.

Weiterdenken

Fluoreszenzaufnahme boviner Endothelzellen mit markierten Zellkernen, Aktin und Mitochondrien.
Evidenz und Funktionsendpunkte
Wie Studien neue Fragen erzeugen
Schematische Darstellung einer DNA-Doppelhelix.
16 Basisaufträge + 4 neue Vertiefungen