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Related Experiment Video

Updated: May 14, 2025

Performing Data Mining And Integrative Analysis Of Biomarker in Breast Cancer Using Multiple Publicly Accessible Databases

Performing Data Mining And Integrative Analysis Of Biomarker in Breast Cancer Using Multiple Publicly Accessible Databases

Published on: May 17, 2019

Genetic determinants and clinical significance of circulating and tumor-specific levels of insulin-like growth factor

Christopher Godina¹, Ann H Rosendahl¹, Kelin Gonçalves de Oliveira¹

¹Department of Clinical Sciences Lund, Oncology, Lund University Cancer Center/Kamprad, Lund University and Skåne University Hospital, Barngatan4, SE 221 85 Lund, Sweden.

|April 15, 2025

Summary

This summary is machine-generated.

Genetic factors influencing insulin-like growth factor binding protein 7 (IGFBP7) in breast cancer were explored. High IGFBP7 levels, both measured and genetically predicted, correlate with increased metastasis and mortality risk, highlighting its prognostic value.

Keywords:

IGFBP7 breast cancer cohort study genotype prognostic biomarker

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Area of Science:

Oncology
Genetics
Biomarkers

Background:

Insulin-like growth factor binding protein 7 (IGFBP7) protein levels are known prognostic indicators in breast cancer.
Genetic influences on IGFBP7 in breast cancer have not been extensively studied.

Purpose of the Study:

To investigate the genetic determinants of IGFBP7 in breast cancer.
To assess the association of IGFBP7 genetic variations and protein levels with clinical outcomes.

Main Methods:

Genotyping of 1701 breast cancer patients using OncoArray.
Assessed tumor-specific IGFBP7, InsR, and IGFIR protein levels in 964 patients.
Constructed a genetic proxy for circulating IGFBP7 using five SNPs and analyzed associations with clinical outcomes via Cox regression.

Main Results:

Circulating and tumor-specific IGFBP7 levels showed a significant positive correlation.
High circulating and genetically predicted IGFBP7 levels were linked to increased risk of distant metastasis and all-cause mortality.
A significant interaction between high tumor IGFBP7 and InsR increased breast cancer event risk four-fold.

Conclusions:

Both measured and genetically predicted IGFBP7 levels serve as independent prognostic biomarkers in breast cancer.
IGFBP7's role in breast cancer progression warrants further investigation, particularly its interaction with InsR.