Oct 07, 2018 · 2. Collagen. Collagen is the most abundant protein in the human body where it is responsible for structure, stability, and strength especially within the dermal layers [1,2,3,9,18].The discovery by Wyckoff et al. and Clark et al. in the mid-1930s demonstrated that collagen wasposed of a regular structure at the molecular level [19,20].With regard to aging, the deposition of collagen …
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