Nov 7, 2019

A single combination gene therapy treats multiple age-related diseases

Proceedings of the National Academy of Sciences of the United States of America
Noah DavidsohnGeorge M Church

Abstract

Comorbidity is common as age increases, and currently prescribed treatments often ignore the interconnectedness of the involved age-related diseases. The presence of any one such disease usually increases the risk of having others, and new approaches will be more effective at increasing an individual's health span by taking this systems-level view into account. In this study, we developed gene therapies based on 3 longevity associated genes (fibroblast growth factor 21 [FGF21], αKlotho, soluble form of mouse transforming growth factor-β receptor 2 [sTGFβR2]) delivered using adeno-associated viruses and explored their ability to mitigate 4 age-related diseases: obesity, type II diabetes, heart failure, and renal failure. Individually and combinatorially, we applied these therapies to disease-specific mouse models and found that this set of diverse pathologies could be effectively treated and in some cases, even reversed with a single dose. We observed a 58% increase in heart function in ascending aortic constriction ensuing heart failure, a 38% reduction in α-smooth muscle actin (αSMA) expression, and a 75% reduction in renal medullary atrophy in mice subjected to unilateral ureteral obstruction and a complete reversal of obesit...Continue Reading

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Mentioned in this Paper

Diabetes Mellitus, Non-Insulin-Dependent
Study
Renal Pyramid Structure
Kidney Failure
Genes
Adeno-Associated Virus
Aorta Constriction
Unilateral
Obesity
Obstruction

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