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What is true about collagen?

Correct answer: 

Collagen is a protein with a triple helix of three peptide chains
Unbalanced collagen remodeling with less collagen degradation and more collagen deposition occurs in Dupuytren’s disease
Cross-linking of collagen leads to great tensile strength
All of the above
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Committed to developing a nonsurgical
choice for Dupuytren’s disease

References: Brenner P, Rayan GM. Ground substance and cells of the extracellular matrix. In: Dupuytren’s Disease: A Concept of Surgical Treatment. New York: Springer; 2003:23-36. Hurst LC, Badalamente MA. Histopathology and cell biology. In: Tubiana R, Leclercq C, Hurst L, Badalamente MA, Mackin EJ, eds. Dupuytren’s Disease. London: Martin Dunitz Ltd; 2000:59-77. Melling M, Karimian-Teherani D, Mostler S, Behnam M, Sobal G, Menzel EJ. Changes of biochemical and biomechanical properties in Dupuytren disease. Arch Pathol Lab Med. 2000;124:1275-1281.