High-fat feeding does not increase K-cell number in mice, instead, it increases GIP protein content and mRNA expression, which correlates to increased Rfx6 and Pdx1 mRNA expression (Suzuki et al., 2013)
Pickart's foundational work and subsequent studies on copper peptides and wound closure point to upregulation of matrix metalloproteinases, the enzymes responsible for remodeling collagen into organized structure during repair, rather than the disorganized collagen deposition that produces visible scarring
Petersen J, Ludwig MQ, Juozaityte V, Ranea-Robles P, Svendsen C, Hwang E et al (2024) GLP-1-directed NMDA receptor antagonism for obesity treatment
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This is a small retrospective study, and further research, particularly randomised trials, is needed before firm clinical conclusions can be drawn