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Aging
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Aging
Article . 2021
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PubMed Central
Article . 2020
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Transient metabolic improvement in obese mice treated with navitoclax or dasatinib/quercetin

Authors: Sierra-Ramirez, Arantzazu; López-Aceituno, José Luis; Costa-Machado, Luis Filipe; Plaza, Adrián; Barradas, Marta; Fernandez-Marcos, Pablo Jose;

Transient metabolic improvement in obese mice treated with navitoclax or dasatinib/quercetin

Abstract

Senescent cells accumulate with obesity in the white adipose tissue of mice and humans. These senescent cells enhance the pro-inflammatory environment that, with time, contributes to the onset of glucose intolerance and type 2 diabetes. Glucose intolerance in mouse models of obesity has been successfully reversed by the elimination of senescent cells with the senolytic compounds navitoclax or the combination of dasatinib and quercetin (D/Q). In this work, we generated obese mice by high-fat diet feeding, and treated them with five consecutive cycles of navitoclax or D/Q during 16 weeks. We observed an efficient reduction in the white adipose tissue of the senescence markers senescence-associated β-galactosidase activity, Cdkn2a-p16 and Cdkn2a-p19 at the end of the 5 cycles. Mice treated with both navitoclax and D/Q showed an improvement of their insulin sensitivity and glucose tolerance during a short period of time (cycles 3 and 4), that disappeared at the fifth cycle. Also, these mice tended to increase the expression at their adipose tissue of the adipogenic genes Pparg and, Cebpa, as well as their plasma adiponectin levels. Together, our work shows that two different senolytic treatments, acting through independent pathways, are transiently effective in the treatment of obesity-induced metabolic disorders.

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Keywords

Male, Adipogenesis, Aniline Compounds, Adipose Tissue, White, Dasatinib, Mice, Obese, Diet, High-Fat, Drug Administration Schedule, PPAR gamma, Disease Models, Animal, Drug Combinations, Mice, Glucose Intolerance, CCAAT-Enhancer-Binding Proteins, Animals, Humans, Adiponectin, Obesity, Insulin Resistance, Cellular Senescence, Research Paper

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    influence
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
40
Top 10%
Top 10%
Top 10%
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gold