Role of N-terminus of tyrosine hydroxylase in the biosynthesis of catecholamines

Akira Nakashima, N. Hayashi, Y. S. Kaneko, K. Mori, E. L. Sabban, Toshiharu Nagatsu, A. Ota

Research output: Contribution to journalReview article

46 Citations (Scopus)

Abstract

Tyrosine hydroxylase (TH) catalyzes the conversion of l-tyrosine to l-dopa, which is the initial and rate-limiting step in the biosynthesis of catecholamines [CA; dopamine (DA), noradrenaline, and adrenaline], and plays a central role in the neurotransmission and hormonal actions of CA. Thus, TH is related to various neuro-psychiatric diseases such as TH deficiency, Parkinson's disease (PD), and schizophrenia. Four isoforms of human TH (hTH1-hTH4) are produced from a single gene by alternative mRNA splicing in the N-terminal region, whereas two isoforms exist in monkeys and only a single protein exist in all non-primate mammals. A catalytic domain is located within the C-terminal two-thirds of molecule, whereas the part of the enzyme controlling enzyme activity is assigned to the N-terminal end as the regulatory domain. The catalytic activity of TH is end product inhibited by CA, and the phosphorylation of Ser residues (Ser19, Ser31, and especially Ser 40 of hTH1) in the N-terminus relieves the CA-mediated inhibition. Ota and Nakashima et al. have investigated the role of the N-terminus of TH enzyme in the regulation of both the catalytic activity and the intracellular stability by producing various mutants of the N-terminus of hTH1. The expression of the following three enzymes, TH, GTP cyclohydrolase I, which synthesizes the tetrahydrobiopterin cofactor of TH, and aromatic-l-amino acid decarboxylase, which produces DA from l-dopa, were induced in the monkey striatum using harmless adeno-associated virus vectors, resulting in a remarkable improvement in the symptoms affecting PD model monkeys Muramatsu (Hum Gene Ther 13:345-354, 2002). Increased knowledge concerning the amino acid sequences of the N-terminus of TH that control enzyme activity and stability will extend the spectrum of the gene-therapy approach for PD.

Original languageEnglish
Pages (from-to)1355-1362
Number of pages8
JournalJournal of Neural Transmission
Volume116
Issue number11
DOIs
Publication statusPublished - 01-11-2009

Fingerprint

Tyrosine 3-Monooxygenase
Catecholamines
Haplorhini
Parkinson Disease
Dihydroxyphenylalanine
Enzymes
Dopamine
Protein Isoforms
GTP Cyclohydrolase
Aromatic-L-Amino-Acid Decarboxylases
Deficiency Diseases
Enzyme Stability
Dependovirus
Alternative Splicing
Synaptic Transmission
Genetic Therapy
Epinephrine
Genes
Psychiatry
Tyrosine

All Science Journal Classification (ASJC) codes

  • Neurology
  • Clinical Neurology
  • Psychiatry and Mental health
  • Biological Psychiatry

Cite this

Nakashima, A., Hayashi, N., Kaneko, Y. S., Mori, K., Sabban, E. L., Nagatsu, T., & Ota, A. (2009). Role of N-terminus of tyrosine hydroxylase in the biosynthesis of catecholamines. Journal of Neural Transmission, 116(11), 1355-1362. https://doi.org/10.1007/s00702-009-0227-8
Nakashima, Akira ; Hayashi, N. ; Kaneko, Y. S. ; Mori, K. ; Sabban, E. L. ; Nagatsu, Toshiharu ; Ota, A. / Role of N-terminus of tyrosine hydroxylase in the biosynthesis of catecholamines. In: Journal of Neural Transmission. 2009 ; Vol. 116, No. 11. pp. 1355-1362.
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Nakashima, A, Hayashi, N, Kaneko, YS, Mori, K, Sabban, EL, Nagatsu, T & Ota, A 2009, 'Role of N-terminus of tyrosine hydroxylase in the biosynthesis of catecholamines', Journal of Neural Transmission, vol. 116, no. 11, pp. 1355-1362. https://doi.org/10.1007/s00702-009-0227-8

Role of N-terminus of tyrosine hydroxylase in the biosynthesis of catecholamines. / Nakashima, Akira; Hayashi, N.; Kaneko, Y. S.; Mori, K.; Sabban, E. L.; Nagatsu, Toshiharu; Ota, A.

In: Journal of Neural Transmission, Vol. 116, No. 11, 01.11.2009, p. 1355-1362.

Research output: Contribution to journalReview article

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T1 - Role of N-terminus of tyrosine hydroxylase in the biosynthesis of catecholamines

AU - Nakashima, Akira

AU - Hayashi, N.

AU - Kaneko, Y. S.

AU - Mori, K.

AU - Sabban, E. L.

AU - Nagatsu, Toshiharu

AU - Ota, A.

PY - 2009/11/1

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