Semaglutide injection activates the GLP-1 receptor with high selectivity, triggering cascading signals that affect appetite centers in the hypothalamus and the nucleus tractus solitarius
Alarmingly, the global incidence of gout has increased significantly in recent decades, particularly in the Western and AsiaPacific regions, underscoring the need for improved management strategies (Nakayama et al., 2023
The hair-growth interest comes from a line of animal research: T4 was shown to increase hair growth in rats and mice by activating hair-follicle stem cells in the bulge region, per PubMed (Philp et al., 2003, DOI), with follow-up work showing faster regrowth in T4-overexpressing mice and slower regrowth in knockout mice via VEGF and P38/ERK/AKT signalling (Gao et al., 2015, DOI)
Nature 596, 583589
GIP appears to counteract some of the nausea-inducing effects of GLP-1