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“ Leptin induced tyrosine and serine phosphorylation of STAT1 and STAT3, both of which were suppressed by AG490, and serine phosphorylation was also suppressed by SB202190.”
Journal of Investigative Medicine • 2007 | View Paper
“Interestingly, leptin in the NAcc core significantly blocks the increase of GluA1 phosphorylation levels at serine 845 induced by acute administration of cocaine.”
“Thus, suppressor of cytokine signaling-3 (SOCS3) can physically block the leptin …, C-Jun Nterminal kinase, and protein kinase Ccan catalyze the inhibitory serine … leptin and insulin signaling systems in the hypothalamus and can also induce the … and inactivate proteins of the leptin and insulin signaling cascade (11, 12).”
“Moreover, the administration of 0.5% l-serine decreased the concentrations of leptin , malondialdehyde, interleukin-1β, and interleukin-6, while it increased those of superoxide dismutase and glutathione, in both the serum and hypothalamus.”