Genome-Wide siRNA-Based Functional Genomics of Pigmentation Identifies Novel Genes and Pathways That Impact Melanogenesis in Human Cells
2008

Identifying Genes That Affect Melanin Production in Human Cells

publication Evidence: high

Author Information

Author(s): Ganesan Anand K., Ho Hsiang, Bodemann Brian, Petersen Sean, Aruri Jayavani, Koshy Shiney, Richardson Zachary, Le Lu Q., Krasieva Tatiana, Roth Michael G., Farmer Pat, White Michael A.

Primary Institution: University of California Irvine

Hypothesis

What are the novel genes and pathways that impact melanogenesis in human cells?

Conclusion

The study identified 92 novel genes that regulate melanin production in human melanocytes.

Supporting Evidence

  • 92 novel genes that support pigment production were identified with a low false discovery rate.
  • Small molecule inhibition of certain gene products impaired tyrosinase expression in melanoma cells.
  • Autophagy was found to be closely related to melanogenesis.

Takeaway

Scientists found new genes that help produce melanin, which gives color to our skin, by using a special screening method on human cells.

Methodology

The study used a high-throughput, cell-based screening platform with a genome-wide arrayed synthetic library of siRNAs to identify genes affecting melanin production.

Limitations

The screening approach may not identify all known regulators of melanogenesis due to a false negative rate.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pgen.1000298

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