Integration of genotypic and phenotypic screening reveals molecular mediators of melanoma-stromal interaction

Megan J. Stine, C. Joanne Wang, Whei F. Moriarty, Byungwoo Ryu, Raymond Cheong, William H. Westra, Andre Levchenko, Rhoda M. Alani

Research output: Contribution to journalArticle

Abstract

Tumor-endothelium interactions are critical for tumor survival and metastasis. Melanomas can rapidly metastasize early in tumor progression, but the dependence of this aggressive behavior on tumor-stromal interaction is poorly understood. To probe the mechanisms involved, we developed a heterotypic coculture methodology, allowing simultaneous tracking of genomic and phenotypic changes in interacting tumor and endothelial cells in vitro. We found a dramatic rearrangement of endothelial cell networks into patterns reminiscent of vascular beds, even on plastic and glass. Multiple genes were upregulated in the process, many coding for cell surface and secreted proteins, including Neuropilin-2 (NRP2). A critical role of NRP2 in coordinated cell patterning and growth was confirmed using the coculture system. We conclude that NRP2 represents an important mediator of melanoma-endothelial interactions. Furthermore, the described methodology represents a powerful yet simple system to elucidate heterotypic intercellular interactions mediating diverse physiological and pathological processes.

Original languageEnglish (US)
Pages (from-to)2433-2444
Number of pages12
JournalCancer Research
Volume71
Issue number7
DOIs
StatePublished - Apr 1 2011

Fingerprint

Neuropilin-2
Melanoma
Neoplasms
Coculture Techniques
Endothelial Cells
Physiological Phenomena
Pathologic Processes
Plastics
Endothelium
Glass
Blood Vessels
Membrane Proteins
Neoplasm Metastasis
Growth
Genes

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Stine, M. J., Wang, C. J., Moriarty, W. F., Ryu, B., Cheong, R., Westra, W. H., ... Alani, R. M. (2011). Integration of genotypic and phenotypic screening reveals molecular mediators of melanoma-stromal interaction. Cancer Research, 71(7), 2433-2444. https://doi.org/10.1158/0008-5472.CAN-10-1875

Integration of genotypic and phenotypic screening reveals molecular mediators of melanoma-stromal interaction. / Stine, Megan J.; Wang, C. Joanne; Moriarty, Whei F.; Ryu, Byungwoo; Cheong, Raymond; Westra, William H.; Levchenko, Andre; Alani, Rhoda M.

In: Cancer Research, Vol. 71, No. 7, 01.04.2011, p. 2433-2444.

Research output: Contribution to journalArticle

Stine, MJ, Wang, CJ, Moriarty, WF, Ryu, B, Cheong, R, Westra, WH, Levchenko, A & Alani, RM 2011, 'Integration of genotypic and phenotypic screening reveals molecular mediators of melanoma-stromal interaction', Cancer Research, vol. 71, no. 7, pp. 2433-2444. https://doi.org/10.1158/0008-5472.CAN-10-1875
Stine, Megan J. ; Wang, C. Joanne ; Moriarty, Whei F. ; Ryu, Byungwoo ; Cheong, Raymond ; Westra, William H. ; Levchenko, Andre ; Alani, Rhoda M. / Integration of genotypic and phenotypic screening reveals molecular mediators of melanoma-stromal interaction. In: Cancer Research. 2011 ; Vol. 71, No. 7. pp. 2433-2444.
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