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

Aged Stem Cells and Niches Rejuvenated by Systemic Factors; Implications for WILT

Haematopoietic stem cells (HSC) exhibit a range of functional declines during biological aging. There has been comparatively little exploration of the possibility of outside causes for age-related HSC dysfunctions, such as the role of age-related shifts in the systemic and local environment and the aging of the bone marrow niche. In a recent report, Dr. Amy Wagers’ group have demonstrated the reality – and the reversibility – of both of these influences on age-related HSC dysfunction.

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Easy Read

Scientists Call for a Biomedical Apollo Project to Avert Global Aging Crisis

Last summer, California-based LifeStar Institute assembled a panel of leaders in the science of aging to ask them the question at the core of their research. “How far can the potential of new biomedical therapies to slow, arrest, or even reverse the damage of aging be brought to bear against the challenge of global graying?” The most important conclusion reached by the participants was that an aggressive program of investment to realize that potential is not only justified, but necessary on humanitarian, economic and social grounds.

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In-Depth

Functional Lung Tissue-Engineered in Rat Model

A recent landmark report from researchers at Yale and Duke universities heralds a significant advance towards the tissue engineering of replacement lungs. Decellularised donor lungs repopulated with progenitor cells were matured in vitro and then implanted into living rats, where the tissue participated in gas exchange to an extent functionally approaching that of native lung tissue. This study represents a crucial proof-of-principle that the decellularisation/repopulation approach can be effective in another complex organ.

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In-Depth

Active Aß Immunization Reverses (Some) Neuritic Pathology

Neurites – projections from a neuron’s cell body – become structurally abnormal in proximity to the extracellular aggregates that occur in both neurodegenerative disease and “normal” cognitive aging. These structural abnormalities have been suggested to play a role in cognitive pathology, by disrupting normal synaptic integration. Active immunotherapy against beta-amyloid (using the AN1792 antibody) has now been shown to reverse much of this structural deformity, even in cases where plaque clearance is incomplete.

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In-Depth

An AID to Faster, More Efficient iPS Derivation?

New insights into the role of AID, a DNA demethylase, in the reprogramming process that produces induced pluripotent stem (iPS) cells are expected to allow greater efficiencies and permit the elimination of clinically problematic viral vectors and proto-oncogenes.

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In-Depth

Progress and New Cautions in an “Universal Amyloid Strategy”

Serum amyloid P component (SAP) is a universal constituent of amyloid deposits, apparently regardless of the disease in question (and thus the other proteins present). Although methods have been developed to eliminate SAP from the body, this approach could have potentially serious side-effects. We announce a new SENS Research Foundation-funded project to tackle amyloid accumulation via the alternative, more direct approach of catalysing degradation of the pathogenic protein components.

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