Expression of cAMP-regulated guanine nucleotide exchange factors in pancreatic beta-cells
This is not speculation
(PubMed) Shi W, Su L, Wang J, Wang F, Liu X, Dou J
SARS-CoV-2-infected patients with COVID-19 disease show alterations in the glucoseinsulin axis leading to hyperglycemia, hyperinsulinemia and insulin resistance, increased oxidative/nitrosative stress, and significantly decreased vitamin D, thiols, total-antioxidant-capacity, GSH and selenium (Soto et al., 2022)
Retatrutide increased cAMP in these receptor-transfected cells with affinities of (in nanomolar concentrations): 5.8, 0.06, and 0.78 at GCGR, GIPR, and GLP1-R, respectively (Coskun et al