Related Experiment Video
Updated: Apr 5, 2026
06:09
Spatial and Temporal Control of Murine Melanoma Initiation from Mutant Melanocyte Stem Cells
Published on: June 7, 2019
9.7K
FOXD3 Promotes PAX3 Expression in Melanoma Cells
Jennifer D Kubic1, Elizabeth C Little1, Rebecca S Kaiser1
1Department of Medicine, Section of Dermatology, University of Chicago, Chicago, Illinois, 60637.
Journal of Cellular Biochemistry
|August 8, 2015
Summary
Transcription factors FOXD3 and PAX3 are crucial in melanoma. This study reveals FOXD3 enhances PAX3 expression, a pathway potentially driving melanoma progression.
Area of Science:
- Developmental Biology
- Cancer Biology
- Molecular Oncology
Background:
- Transcription factors PAX3 and FOXD3 are vital for neural crest and melanoblast development.
- These developmental pathways can be reactivated in melanoma, a cancer of pigment cells.
Purpose of the Study:
- To elucidate the regulatory relationship between FOXD3 and PAX3 in melanoma.
- To investigate the functional role of FOXD3 in controlling PAX3 expression.
Main Methods:
- Analysis of PAX3 and FOXD3 transcript levels in melanoma cells.
- In vitro assessment of FOXD3 binding to PAX3 gene regulatory elements.
- Experimental manipulation (overexpression and inhibition) of FOXD3 to observe effects on PAX3 levels.
Main Results:
- A positive correlation exists between PAX3 and FOXD3 transcript levels in melanoma.
- FOXD3 binds to conserved enhancer elements of the PAX3 gene.
- FOXD3 overexpression upregulates PAX3, indicating it is sufficient to drive PAX3 expression.
Conclusions:
- FOXD3 positively regulates PAX3 expression in melanoma cells.
- This FOXD3-PAX3 regulatory pathway contributes to melanoma progression.
