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Updated: Jul 10, 2026
Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells
Published on: June 7, 2019
Prevention of melanin formation by yeast cerebroside in B16 mouse melanoma cells
Mikio Kinoshita1, Naofumi Hori, Kazuhiko Aida
1Department of Agricultural and Life Science, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan. kinosita@obihiro.ac.jp
Abstract:
The effects of plant and yeast cerebrosides on melanin formation were examined in B16 mouse melanoma cells. Addition of yeast cerebroside significantly reduced melanin content to the same level as that of arbutin in control cells, although there was no suppression by plant cerebrosides and bovine brain cerebroside up-regulated melanin formation. None of the bovine brain cerebrosides examined had any effect on tyrosinase activity, but yeast cerebroside reduced the contents of tyrosinase. The results of the present study clearly showed that melanin formation is regulated by several different cerebrosides via tyrosinase. In addition, the findings presented here suggest that cerebrosides containing a 9-methyl type sphingoid base, such as yeast cerebroside, may be useful as skincare products for suppressing melanin formation.
Insights
Yeast cerebrosides effectively reduce melanin production in melanoma cells by lowering tyrosinase levels, unlike plant cerebrosides. This suggests yeast cerebrosides may be beneficial for skincare products aimed at suppressing melanin.
Area of Science:
- Biochemistry
- Dermatology
- Cell Biology
Background:
- Melanin formation is a complex process regulated by various cellular factors.
- Cerebrosides are a class of lipids with diverse biological functions.
- Understanding the role of specific lipids in melanogenesis is crucial for developing targeted skincare and therapeutic agents.
Purpose of the Study:
- To investigate the impact of plant and yeast cerebrosides on melanin synthesis in B16 mouse melanoma cells.
- To determine the mechanism by which cerebrosides affect melanin production, specifically their influence on tyrosinase activity and content.
Main Methods:
- Culturing B16 mouse melanoma cells.
- Treating cells with plant cerebrosides, yeast cerebroside, bovine brain cerebroside, and arbutin.
- Quantifying melanin content.
- Assessing tyrosinase activity and protein levels.
Main Results:
- Yeast cerebroside significantly reduced melanin content, comparable to arbutin.
- Plant cerebrosides did not suppress melanin formation.
- Bovine brain cerebroside increased melanin formation.
- Yeast cerebroside decreased tyrosinase content but did not affect its activity.
- Bovine brain cerebrosides had no impact on tyrosinase activity.
Conclusions:
- Melanin formation is differentially regulated by various cerebrosides through mechanisms involving tyrosinase.
- Yeast cerebrosides, particularly those with a 9-methyl type sphingoid base, show potential as active ingredients in skincare for melanin suppression.
