The SENSible Blog discusses the development of rejuvenation biotechnology around the world: progress being made in the field of longevity, the design of medical therapies to cure, reverse and prevent the diseases and disabilities of aging, and much more.

Our content is a blend of popular interest articles – labelled “Easy Reads”, and designed to require no specific background knowledge – as well as more detailed scientific commentaries, labelled as “In-Depth” and aimed towards readers with some grounding in the biological/medical sciences.

In-Depth

Aß “Affibodies:” A Novel Route to Comprehensive Clearance?

Affibodies are artificial, antibody-like proteins generated through protein engineering techniques. ZAβ3, an affibody that targets amyloid-beta (Abeta), has been shown to prevent plaque formation and neurotoxicity in animal models of Alzheimer’s disease. Affibodies like ZAβ3 might have important practical advantages over antibody-based Abeta-clearing agents, making this a promising new approach.

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In-Depth

CR Mimetics and the Definition of Insanity

Widespread optimism about the life-extension potential of calorie restriction (CR) is tempered by doubt that any significant number of people will ever adopt it as a lifestyle. However, thus far the search for “CR mimetics” – drugs that convey the same benefits on a normal calorie intake – has been fruitless. Here we review some of the prominent examples.

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In-Depth

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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In-Depth

Abeta Epitope DNA and Peptide Vaccination: Bridging the ‘Therapeutic Threshold’ for Cognitive Aging and Alzheimer’s Disease

Immunotherapeutic clearance of beta-amyloid is the preferred regenerative medicine approach to the treatment and prevention of Alzheimer’s disease (AD), but existing attempts to develop such therapies have been fraught with side-effects and limited efficacy, as well as concerns about clinical translatability. A new approach using DNA vaccines is showing great promise, and has the potential to be safe and cheap enough for deployment in pre-clinical AD – before any irreversible memory loss can occur.

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Easy Read

New Evidence of the Limits of Dominant Therapeutic Paradigms

Biomedical research has traditionally focused on identifying and correcting the abnormalities in metabolic pathways that lead to disease states. However, this approach suffers numerous side-effects due to the complexity of metabolism. It is also inappropriate to treating many age-related diseases, which arise as a result of damage accumulated over decades of normal function. Regenerative engineering, by focusing instead on the removal of this damage, largely avoids both of these chronic problems.

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