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2003•Molecular InterventionsRequires access

Knockout Mouse Points to Second Form of Tryptophan Hydroxylase

Jeremy Veenstra‐VanderWeele

Open publisher page 24 citations

Abstract

A second form of tryptophan hydroxylase (TPH) is expressed in the brain by the gene Tph2. The presence of the gene was discovered when Tph 1(-/-)mice were found to express normal amounts of serotonin in brain, but not in the periphery. Additionally, Tph1(-/-) mice showed no observed behavioral differences from wild-type littermates. Veenstra-Vanderweele and Cook discuss the ramifications of these findings and what they might mean for designing drugs that target the expression and activity of TPH in differing tissues.

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What this paper is about

A second form of tryptophan hydroxylase (TPH) is expressed in the brain by the gene Tph2. The presence of the gene was discovered when Tph 1(-/-)mice were found to express normal amounts of serotonin in brain, but not in the periphery. Additionally, Tph1(-/-) mice showed no observed behavioral differences from wild-type littermates. Veenstra-Vanderweele and Cook discuss the ramifications of these findings and what they might mean for designing drugs that target the expression and activity of TPH in differing tissues.

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OpenAlex reports 24 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

A second form of tryptophan hydroxylase (TPH) is expressed in the brain by the gene Tph2. The presence of the gene was discovered when Tph 1(-/-)mice were found to express normal amounts of serotonin in brain, but not in the periphery. Additionally, Tph1(-/-) mice showed no observed behavioral differences from wild-type littermates. Veenstra-Vanderweele and Cook discuss the ramifications of these findings and what they might mean for designing drugs that target the expression and activity of TPH in differing tissues.

Key concepts: TPH2, Tryptophan hydroxylase, Serotonin, Tryptophan, Knockout mouse, Gene, Gene expression, Biology

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