Regulation of Anchorage-Independent Growth in Breast Cancer: Role of Signalling by Extracellular Matrix and Growth Factors
Abstract:
In this report we investigate the role of ECM proteins and growth factors in anchorage-independent survival and growth of a murine mammary carcinoma-derived cell line, designated SP1. We demonstrate that SP1 cells adhere well to FN and VN and express a number of integrins, including a5beta1, alpha v beta 3, alpha 6 beta 1, alpha 3 beta 1 and alpha 2 beta 1, the latter being upregulated under anchorage- independent conditions. We also demonstrated by partially removing FN from 7 FBS or adding FN to 1 FBS that FN is required for SP1 cell colony growth.
Security Markings
DOCUMENT & CONTEXTUAL SUMMARY
Distribution:
Approved For Public Release
RECORD
Collection: TR