1. Abbas Nejad Sh, Rezvani Z. Investigating the role of responsible genes in the monogenic form of Parkinson's disease and bioinformatics analysis of common mutations. J Facul Med Mashhad Uni Med Sci 2021;64: 3967-3997. [In Persian]

2. Nussbaum RL, Ellis CE. Alzheimer's disease and Parkinson's disease. N Engl J Med 2003; 348:1356-64. [DOI:10.1056/NEJM2003ra020003]

3. Kalia LV, Lang AE. Parkinson's disease. Lancet 2015; 386:896-912. [DOI:10.1016/S0140-6736(14)61393-3]

4. Schapira AHV, Chaudhuri KR, Jenner P. Non-motor features of Parkinson disease. Nat Rev Neurosci 2017;18:509. [DOI:10.1038/nrn.2017.91]

5. Nutt JG. Pharmacokinetics and pharmacodynamics of levodopa. Mov Disord 2008;23:S580-4. [DOI:10.1002/mds.22037]

6. Wilkins RC, Lis JT. GAGA factor binding to DNA via a single trinucleotide sequence element. Nucleic Acids Res 1998:2672-8. [DOI:10.1093/nar/26.11.2672]

7. Borglum AD, Kirov G, Craddock N, Mors O, Muir W, Murray V, et al. Possible parent-of-origin effect of Dopa decarboxylase in susceptibility to bipolar affective disorder. Am J Med Genet B Neuropsychiatr Genet 2003:18-22. [DOI:10.1002/ajmg.b.10030]

8. Alexoudi A, Shalash A, Knudsen K, Witt K, Mehdorn M, Volkmann J, et al. The medical treatment of patients with Parkinson's disease receiving subthalamic neurostimulation. Parkinsonism Relat Disord 2015; 21:555-60. [DOI:10.1016/j.parkreldis.2015.03.003]

9. Ehgoetz Martens KA, Shine JM, Walton CC, Georgiades MJ, Gilat M, Hall JM, et al. Evidence for subtypes of freezing of gait in Parkinson's disease. Mov Disord 2018; 33:1174-1178. [DOI:10.1002/mds.27417]

10. Patel KR, Cherian J, Gohil K, Atkinson D. Schizophrenia: overview and treatment options. P T 2014; 39:638-45.

11. Hany M, Rehman B, Azhar Y, Chapman J. Schizophrenia. In: StatPearls [Internet]. Treasure Island, FL: StatPearls Publishing; 2023.

12. Sun Z, Ma Y, Li W, He J, Li J, Yang X, et al. Associations between the DBH gene, plasma dopamine β-hydroxylase activity and cognitive measures in Han Chinese patients with schizophrenia. Schizophr Res 2018;193:58-63. [DOI:10.1016/j.schres.2017.06.028]

13. Ghosh A, Sadhukhan T, Giri S, Biswas A, Das SK, Ray K, Ray J. Dopamine β Hydroxylase (DBH) is a potential modifier gene associated with Parkinson's disease in Eastern India. Neurosci Lett 2019; 706:75-80. [DOI:10.1016/j.neulet.2019.05.015]

14. Devos D, Lejeune S, Cormier-Dequaire F, Tahiri K, Charbonnier-Beaupel F, Rouaix N, et al. Dopa-decarboxylase gene polymorphisms affect the motor response to L-dopa in Parkinson's disease. Parkinsonism Relat Disord 2014; 20:170-5. [DOI:10.1016/j.parkreldis.2013.10.017]

15. Babić Leko M, Nikolac Perković M, Klepac N, Švob Štrac D, Borovečki F, Pivac N, e al. Relationships of Cerebrospinal Fluid Alzheimer's Disease Biomarkers and COMT, DBH, and MAOB Single Nucleotide Polymorphisms. J Alzheimers Dis 2020; 73:135-145. [DOI:10.3233/JAD-190991]

16. Graziano C, Wischmeijer A, Pippucci T, Fusco C, Diquigiovanni C, Nõukas M, et al. Syndromic intellectual disability: a new phenotype caused by an aromatic amino acid decarboxylase gene (DDC) variant. Gene 2015;559:144-8. [DOI:10.1016/j.gene.2015.01.026]

17. Kopecková M, Paclt I, Goetz P. Polymorphisms and low plasma activity of dopamine-beta-hydroxylase in ADHD children. Neuro Endocrinol Lett 2006;27:748-54.

18. Artemaki PI, Papatsirou M, Boti MA, Adamopoulos PG, Christodoulou S, Vassilacopoulou D, et al. Revised Exon Structure of l-DOPA Decarboxylase (DDC) Reveals Novel Splice Variants Associated with Colorectal Cancer Progression. Int J Mol Sci 2020;21:8568. [DOI:10.3390/ijms21228568]

19. Toma C, Hervás A, Balmaña N, Salgado M, Maristany M, Vilella E, et al. Neurotransmitter systems and neurotrophic factors in autism: association study of 37 genes suggests involvement of DDC. World J Biol Psychiatry 2013; 14:516-27. [DOI:10.3109/15622975.2011.602719]

20. Koutalellis G, Stravodimos K, Avgeris M, Mavridis K, Scorilas A, Lazaris A, et al. L-dopa decarboxylase (DDC) gene expression is related to outcome in patients with prostate cancer. BJU Int 2012; 110:E267-73. [DOI:10.1111/j.1464-410X.2012.11152.x]

21. Tremmel E, Kuhn C, Kaltofen T, Vilsmaier T, Mayr D, Mahner S, et al. L-Dopa-Decarboxylase (DDC) Is a Positive Prognosticator for Breast Cancer Patients and Epinephrine Regulates Breast Cancer Cell (MCF7 and T47D) Growth In Vitro According to Their Different Expression of Gi- Protein- Coupled Receptors. Int J Mol Sci 2020; 21:9565. [DOI:10.3390/ijms21249565]