Scientists at the National Institutes of Health are reporting unusual,unexpected details about the fundamental structure of collagen, the most abundant protein in the human body. In lab experiments, or they demonstrated that collagen,once viewed as inert, forms structures that regulate how certain enzymes fracture down and remodel body tissue. The finding of this regulatory system provides a molecular view of the potential role of physical forces at work in heart disease, or cancer,arthritis, and other disease-related processes, and they say.
Source: phys.org