Maximally Modifiable Mouse

This project has recently concluded; further information will be published in the near future. Applied StemCell, Inc. Principal Investigator: Dr. Ruby Yanru Chen-Tsai The CRISPR/Cas9 gene editing system has the ability to make precisely-targeted changes in the genetic sequence – a clear strength of the platform – but is limited in its lack of an …

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Creation of Novel Mouse Lines to Test New Mitochondria Therapies

The Problem Aging creates an accumulation of mutations in the DNA of our mitochondria, the organelles that create our energy supply on a molecular level. This impacts and impairs their ability to function correctly and creates a myriad of energy issues as we age. Testing potential therapies for use in humans requires a robust testing …

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An Oil Change is Not a Gasket Change: Insights from the Interaction of “Old Blood” and Senolytic Therapy

When blood from a biologically aged animal is transfused into a young one, the young animal suffers “pro-aging” effects. By contrast, reducing the burden of “pro-aging” signaling factors in old blood is not enough to remove existing damage from a similar-aged mouse’s biologically aged tissues.

Overtime Pay for the Municipal Waste Team

A comprehensive suite of rejuvenation biotechnologies must include the removal of extracellular aggregates from aging cells and tissues, particularly the brain. Recent work indicates that up-regulation of the activity of the native lysosomal pathway for clearance of beta-amyloid (Abeta) by the small molecule PADK can reverse existing Alzheimer-like pathology in mouse models, although caution is required in interpreting these results in the context of human disease.

Robust, Realistic, Relevant Rejuvenation with Tau-Targeting Immunotherapy

Neurofibrillary tangles – accumulations of abnormal tau protein – are thought to play a central role in Alzheimer’s disease and other neurodegenerative conditions. Here we review a recent report in which immunotherapy was used to clear tau aggregates from a highly accurate mouse tauopathy model, resulting in functional recovery on multiple cognitive tests.

How (Not) to Run a Lifespan Study

Much of the distraction in the literature of biogerontology, and an even higher ratio of studies cited and promoted in the popular media and the dietary supplement industry, derives from methodologically-poor lifespan studies in mice (or occasionally rats). In these studies, an increase in mean or maximal lifespan is reported, relative to short-lived controls, and claimed to be informative about the universal, degenerative aging process and the prospects for extending healthy life in humans living in the developed world.

Advancing Mitochondrial Health with Protective Gene Copies

Research Info Mitochondria perform and support several vital functions in a cell, and the alternate genome, mtDNA, plays a critical role in organelle maintenance. There is increasing evidence that mitochondrial function declines with age, and that dysfunctional mitochondria adversely contribute to several metabolic and neuromuscular diseases. Our goal is to address age-acquired and inborn errors …

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SciFuture Interview

In conversation with Adam Ford, Dr. Aubrey de Grey explains how recent extraordinary results with senolytic drugs suggest that the milestone of “Robust Mouse Rejuvenation” – a key step towards comprehensively undoing human aging – could be as little as three years away.

Methods and Mechanisms for Preserving Dissociated Human ESC

Unlike mouse embryonic stem cells (ESCs), human ESCs are highly prone to death after enzymatic dissociation from a growing cell cluster; as a result, researchers are forced to rely on far more laborious methods for their expansion. New research at the Scripps Institute has revealed the molecular basis for this frustrating limitation, and also uncovered two small-molecule drugs able to greatly improve the cells’ survival.

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