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Pathway Description
Aromatic L-Aminoacid Decarboxylase Deficiency
Homo sapiens
Disease Pathway
Aromatic L-Aminoacid Decarboxylase Deficiency (DOPA decarboxylase; DDC) is an autosomal recessive disease caused by a mutation in the DDC gene which codes for aromatic-L-aminoacid decarboxylase. A deficiency in this enzyme results in accumulation of 3-methoxytyrosine, 5-hydroxy-L-tryptophan, and L-Dopa in plasma, spinal fluid, and urine; 3-methoxytyramine and dopamine in urine. It also results in decreased concentrations of homovanillic acid, S-adenosylmethionine, and 5-hydroxytryptophol in spinal fluid; and epinephrine, norepinephrine in plasma. Symptoms include temperature instability, hypotonia, mental and motor retardation, and cerebral atrophy.
References
Aromatic L-Aminoacid Decarboxylase Deficiency References
Engelke, U., van der Graaf, M., Heerschap, A., Hoenderop, S., Moolenaar, S., Morava, E., Wevers, R. Handbook of 1H-NMR spectroscopy in inborn errors of metabolism: body fluid NMR spectroscopy and in vivo MR spectroscopy (2nd ed) (2007) p.22 Heilbronn: SPS Verlagsgesellschaft
Verbeek MM, Geurtz PB, Willemsen MA, Wevers RA: Aromatic L-amino acid decarboxylase enzyme activity in deficient patients and heterozygotes. Mol Genet Metab. 2007 Apr;90(4):363-9. doi: 10.1016/j.ymgme.2006.12.001. Epub 2007 Jan 19.
Pubmed: 17240182
Swoboda KJ, Saul JP, McKenna CE, Speller NB, Hyland K: Aromatic L-amino acid decarboxylase deficiency: overview of clinical features and outcomes. Ann Neurol. 2003;54 Suppl 6:S49-55. doi: 10.1002/ana.10631.
Pubmed: 12891654
Pons R, Ford B, Chiriboga CA, Clayton PT, Hinton V, Hyland K, Sharma R, De Vivo DC: Aromatic L-amino acid decarboxylase deficiency: clinical features, treatment, and prognosis. Neurology. 2004 Apr 13;62(7):1058-65. doi: 10.1212/wnl.62.7.1058.
Pubmed: 15079002
Brun L, Ngu LH, Keng WT, Ch'ng GS, Choy YS, Hwu WL, Lee WT, Willemsen MA, Verbeek MM, Wassenberg T, Regal L, Orcesi S, Tonduti D, Accorsi P, Testard H, Abdenur JE, Tay S, Allen GF, Heales S, Kern I, Kato M, Burlina A, Manegold C, Hoffmann GF, Blau N: Clinical and biochemical features of aromatic L-amino acid decarboxylase deficiency. Neurology. 2010 Jul 6;75(1):64-71. doi: 10.1212/WNL.0b013e3181e620ae. Epub 2010 May 26.
Pubmed: 20505134
Lehninger, A.L. Lehninger principles of biochemistry (4th ed.) (2005). New York: W.H Freeman.
Salway, J.G. Metabolism at a glance (3rd ed.) (2004). Alden, Mass.: Blackwell Pub.
Starke K: History of catecholamine research. Chem Immunol Allergy. 2014;100:288-301. doi: 10.1159/000359962. Epub 2014 May 23.
Pubmed: 24925409
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