Shining new light on 3D cell motility and the metastatic process

Paolo P. Provenzano, Kevin W. Eliceiri, Patricia J. Keely

Research output: Contribution to journalReview articlepeer-review

48 Scopus citations

Abstract

Understanding tissue architecture and physical and chemical reciprocity between cells and their microenvironment provides vital insights into key events in cancer metastasis, such as cell migration through three-dimensional (3D) extracellular matrices. Yet, many mechanistic details associated with metastasis remain elusive due to the difficulty of studying cancer cells in relevant 3D microenvironments. Recently, optical imaging has facilitated the direct observation of single cells as they undertake fundamental steps in the metastatic processes. Optical imaging is also providing novel 'optical biomarkers' with diagnostic potential that are linked to cell-motility pathways associated with metastasis, and these can to help guide new approaches to cancer diagnosis and therapy. Here we present recent advances in one subclass of optical imaging of particular promise for cellular imaging - multiphoton microscopy - that can be used to improve the detection of malignant cells as well as advance our understanding of the cell biology of cancer metastasis.

Original languageEnglish (US)
Pages (from-to)638-648
Number of pages11
JournalTrends in Cell Biology
Volume19
Issue number11
DOIs
StatePublished - Nov 2009

Bibliographical note

Funding Information:
We apologize to those authors whose work we were unable to cite because of space and date of publication limitations. We thank members of the Keely laboratory and the Laboratory for Optical and Computational Instrumentation (LOCI) for helpful discussions regarding this work. This work was supported by an NIH postdoctoral training grant (T32CA009681) to P.P.P. and grants from the DOD – W81XWH-04-1-042 (P.P.P.), the Mary Kay Ash Foundation (P.J.K.), DOD CDMRP BC074970 (P.J.K.), American Cancer Society RSG-00-339CSM (P.J.K.), NIH CA076537 (P.J.K.) and NIH EB000184 (K.W.E.).

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