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“Moreover, genistein induced the relaxation of HUA rings precontracted either with serotonin or a depolarizing high-extracellular K+ solution, hinting at a reduction of extracellular Ca2+ entry to the cell.”
Journal of Physiology and Biochemistry • 2009 | View Paper
“Uptake of tritiated serotonin into human platelets was found to be rapidly inhibited by the tyrosine kinase inhibitors, genistein and methyl 2,5-dihydroxycinnamate.”
European journal of pharmacology • 1995 | View Paper
“ GEN treatment also inhibited SPS-induced decreases in serotonin (5-HT) levels in the medial prefrontal cortex and hippocampus.”
“These increased 5-HT concentrations in response to GEN treatment could be partially attributed to the ratio of 5-hydroxyindoleacetic acid/5-HT in the hippocampus.”
“Furthermore, in these rats, genistein enhanced serotonergic transmission in the amygdala, including upregulation of tryptophan hydroxylase, serotonin , and phosphorylated (p)-CaMKII and p-CREB, as well.”
“ Genistein strongly inhibited the [Ca2+]i increase evoked by 5-HT (74.0±7.3%, n=11, p<0.05), and had a smaller effect on high K+ induced [Ca2+]i increase (19.9±4.0%, n=7, p<0.05).”
“In conclusion, in rat aortic smooth muscle, genistein is capable of diminishing the increase in [Ca2+]i and in force evoked by 5-HT and high K+ solution, and of decreasing the frequency of [Ca2+]i oscillations induced by 5-HT.”
“Interestingly, during prolonged application of 5-HT , the [Ca2+]i oscillated and a short (90 s) preincubation with genistein (20 μM) significantly diminished the frequency of the oscillations.”
“RESULTS The tyrosine kinase inhibitor, ge estein, s ignificantly inhibited the magnitude of contractions induced by phorbol ester, endothelin, angiotensin, and ser otonin. ”