mouse breast tissue (IMAGE) Cold Spring Harbor Laboratory Caption Mice with UTIs experience a significant increase in breast tissue collagen deposits. Note the blue-stained collagen “rivers” in the images above and below. Credit dos Santos lab/Cold Spring Harbor Laboratory Usage Restrictions Attribution required License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.