Contact: Jim Dryden
Washington University School of Medicine
Caption: As seen through a microscope, the leg bone of a normal mouse (left) makes considerably less new bone than a mouse that produces high levels of a signaling protein, WNT7B, that stimulates new bone growth (shown in pink on the right). The protein could become a target for new drugs to treat osteoporosis and other conditions related to bone loss.
Credit: Washington University School of Medicine
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