The effects of the Maillard reaction on the physical properties and cell interactions of collagen.
Level 5 - mechanism / opinion, no new human data
Narrative review describing biochemical mechanisms without primary human trial data
PubMed 16962252 · doi:10.1016/j.patbio.2006.07.005
What was done
Narrative review summarizing the biochemical mechanisms and effects of non-enzymic glycation (Maillard reaction) on collagen properties and cell interactions during aging and diabetes mellitus.
What was found
No quantitative data or numbers were reported in the abstract. The review categorizes advanced glycation end-products (AGEs) into: 1) intermolecular cross-linking between adjacent molecules (lysine-lysine or lysine-arginine) within triple helical domains, leading to increased fiber stiffness, thermal denaturation temperature, and enzymatic resistance; and 2) side-chain modifications altering molecular charge profiles, specifically at arginine residues in RGD and GFOGER motifs, impairing alpha1beta2 and alpha2beta1 integrin-mediated cell and platelet adhesion needed for vascular repair and wound healing.
Why it matters
It mechanistically explains how AGE accumulation compromises collagen scaffold function and cellular signaling in aging and diabetic tissue pathology.
Limits
Narrative review format presenting purely descriptive, mechanism-based concepts without quantitative data, systematic search criteria, or human trial outcomes in the abstract.
Cited by
- supports Elevated blood glucose reacts with collagen in blood vessels and the myocardium via the Maillard reaction (glycation), leading to tissue cross-linking and vascular/cardiac stiffness.