TPH2
Encyclopedia
The enzyme Tryptophan hydroxylase 2, also known as TPH2, is an isozyme of Tryptophan hydroxylase
Tryptophan hydroxylase
Tryptophan hydroxylase is an enzyme involved in the synthesis of the neurotransmitter serotonin. TPH catalyzes the following chemical reactionIt employs one cofactor, iron.- Function :...

found in vertebrates. In humans TPH2 is primarily expressed in the serotonergic neurons of the brain, with the highest expression in the raphe nucleus of the midbrain. Until the discovery of TPH2 in 2003, serotonin levels in the central nervous system were believed to be regulated by serotonin synthesis in peripheral tissues, in which Tryptophan hydroxylase is the dominant form.

Further reading

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