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Groomed for Greatness
21 Nov 2024 Reading : 2mn
Address common beard concerns like dryness, itchiness, and dandruff with Gattefossé…
- Hair care
Color Pulse: New Makeup Collection
Reading : 2mn
Gattefossé strengthens its position in makeup with its latest collection of formulas.
- Personal care
Construction of spheroids from melanocytes of different ethnic origins: screening model and variation
Sep 2024
Melanogenesis is a complex porcess, ans its in vitro modeling remains a challenge to develop relevant test suitable for rapid preclinical evaluation of the efficacy of lightening products to modulate human skin pigmentation.
Melanocytes are known to lose their ability to synthesize melanin in monolayer culture, even though the melanin content correlates with the ethnic background of the donors. Tissue engineering is an alternative to 2D culture because the cell behaviors in 3D microenvironment are closer to skin physiology.
We therefore compared the efficacy of 3 assays as high-throughput in vitro systems for skin-lightening drug screening: (i) Monolayer 2D culture of proliferative melanocytes, (ii) Microtissue 3D spheroid of non-proliferative melanocytes, (iii) Epidermal tissue 3D model containing functional melanocytes.