Albert Einstein Cancer Center

Tumor Microenvironment

Program Leader: John Condeelis, Ph.D.

The Tumor Microenvironment and Metastasis Program focuses on the interactions between cancer cells and their microenvironment that are determinants of the potential of tumor cells to invade surrounding tissues, penetrate blood vessels, and ultimately enter and grow in distant tissues. Studies are directed to deciphering the signaling pathways and mechanical interactions among monocytes, macrophages, endothelial cells and carcinoma cells, and each of their supporting stroma, which contribute to the metastatic phenotype. The goals of the program are to: (1) Dissect the role the microenvironment in tumor progression and metastasis, in particular, the contribution of macrophage subpopulations to the various phases and elements of tumor progression; 2) to elucidate the molecular mechanisms of growth factor and cytokine action in regulating cell migration, dissemination, angiogenesis and invasion of distant sites by primary tumor cells; 3) to assess the role of surface molecules, such as cadherins and membrane surface oligosaccharides, in tumor progression; (4) to characterize the biochemical and structural properties of molecules that regulate cytoskeletal proteins involved in tumor cell and macrophage motility through the development of (i) fluorescent biosensors of the activity status of pathways involved in regulating cell migration in vivo and (ii) photo-switchable proteins for quantitative long-term tracking of distinct groups of cells photomarked in the primary tumor and (5) to translate these findings into correlative studies with human tissues that are predictive of metastatic potential and risk, and that identify therapeutic targets. New imaging technologies are developed in the Gruss Lipper Biophotonics Center that provides this program with unique tools that are made available to the broader Cancer Center community through the Analytical Imaging Shared Resource. Intrinsic to the experimental approach is the development of novel mouse transgenic models with fluorescently-labeled cellular lineages. Research by members of this program focuses on breast cancer, although other tumor types are studied as well. Research in this program is supported, in part, by a program project grant which reflects, and furthers, the collaborative research of members of this program.   


Selected Achievements of the Tumor Microenvironment Program 



Message From the Director

I. David Goldman, M.D.

Since the start of the 20th century, scientists have sought ways of harnessing the immune system to attack cancer cells. The challenge has been enormous. The immune system is designed to destroy foreign ... 

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Statement in Support of HPV Vaccination for Cancer Prevention  

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Albert Einstein Cancer Center
1300 Morris Park Avenue
Bronx, New York 10461
Telephone: 718.430.2302  

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