Structural and functional investigation into the cooperation of IGF and vitronectin-binding receptors in cell migration

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/290511

Funding Status
Closed

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Funded Activity Summary

Breast cancer is the most commonly diagnosed form of cancer in Australian women, accounting for 26% of diagnosed cancers and 21% of cancer deaths among women. One in fourteen Australian and one in nine women worldwide will develop breast cancer in their lifetime. Significantly, approximately one in four of those diagnosed will die from their disease. The primary factor that determines survival is early diagnosis and treatment. Indeed, the primary tumour itself rarely causes death. Rather, the dissemination of tumour cells to remote sites and the establishment of secondary tumours in critical sites in the body is the major mechanism of mortality. An understanding of the processes that lead to the establishment of secondary tumour bodies and strategies to halt the spread of cancer beyond the primary site are therefore highly valuable. Two factors thought to be pivotal in breast cancer metastasis are altered interactions with the microenvironment surrounding cells and exposure to increased levels of hormones and growth factors, such as the insulin-like growth factors (IGFs). We have recently found that IGFs form complexes with a protein called vitronectin, found in the microenvironment, and these complexes can stimulate increased migration of breast cancer cells. This project will examine the interaction of IGF and VN in stimulating cell migration and in particular, aims to identify the genes involved in the enhanced cell migration. In addition we will examine how the IGF:vitronectin complexes form and how these in turn interact with receptors on the surface of the cell. The data obtained will provide critical fundamental information that is necessary to develop targeted therapies for the treatment and control of breast cancer.

Funded Activity Details

Start Date: 01-01-2004

End Date: 01-01-2006

Funding Scheme: NHMRC Project Grants

Funding Amount: $239,250.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Nutritional science

ANZSRC Socio-Economic Objective (SEO)

There are no SEO codes available for this funding activity

Other Keywords

IGF | IGF-binding proteins | breast cancer | cancer | cell migration | endocrinology | metastasis | vitronectin

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