Figure 4: Regulation of serotonin synthesis by brain leptin levels. Excessive brain leptin levels directly inhibit tryptophan hydroxylase-2 thereby decreasing the circulating neuronal levels of serotonin (5-hydroxytryptamine)[41]
![Figure 4: Regulation of serotonin synthesis by brain leptin levels. Excessive brain leptin levels directly inhibit tryptophan hydroxylase-2 thereby decreasing the circulating neuronal levels of serotonin (5-hydroxytryptamine)<sup>[41]</sup>](articles/2015/47/1/images/Indian J Pharmacol_2015_47_1_4_150305_u4.jpg)
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Figure 4: Regulation of serotonin synthesis by brain leptin levels. Excessive brain leptin levels directly inhibit tryptophan hydroxylase-2 thereby decreasing the circulating neuronal levels of serotonin (5-hydroxytryptamine)[41]
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