StratiCELL offers an extensive range of assays dedicated explore cosmetic ingredients and formulations with anti-ageing properties, including functional tests and gene expression analysis.

StratiCELL evaluates the efficacy of a compound by modulating the different levels of ECM composition. In addition, enzymatic activity can be measured to assess any inhibition or activation effect.

StratiCELL evaluates the senolytic effect of a compound, meaning its efficacy to act as a senescence-specific cell killer or to protect against induced senescence. Available assays : senescence-induced ß galactosidase activity, transcriptomic analysis, and protein biomarkers quantification.

StratiCELL evaluates the anti-oxidative effect of a compound by measuring its capacity to :

-regulate the intracellular levels of reactive oxygen species, 

-induce antioxidant defences, 

-protect against oxidative damages such as protein carbonylation, lipid peroxidation,

-modulate stress response pathways.

StratiCELL evaluates the efficacy of a compound to modulate the abundance and activity levels of the detoxification and recycling systems.

To evaluate the anti-glycation potential of dermo-cosmetic compounds, StratiCELL provides a global approach combining both transcriptomic studies and various bioassays dedicated to addressing the molecular mechanisms and cellular processes involved in AGE stress. These assays include:

- Quantification of cell and tissue contents in AGEs
- Measurement of cellular oxidative stress induced by AGEs
- Analysis of detoxification pathways including autophagy
- Study of AGEs' receptor biology (expression, activity, signalling)
- Modelling of the extra cellular matrix in presence of AGEs

StratiCELL has developed a unique in vitro reconstituted human epidermis model of solar lentigines based on specific culture conditions that induce hyperproliferation of the epidermis as well as an increase in pigmentary lesions. Given histological similarities to in vivo observations, this unique in vitro model is a powerful tool for assessing the efficacy of compounds in reducing age spots or improving their appearance.

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