1 Ubeda-Bañon I, "α-Synuclein in the olfactory system of a mouse model of Parkinson’s disease: correlation with olfactory projections" 217 : 447-458, 2012
2 Liu J, "omparative effi - cacy and acceptability of antidepressants in Parkinson’s disease: a network meta-analysis" 8 : e76651-, 2013
3 Ubeda-Bañon I, "alpha-Synucleinopathy in the human olfactory system in Parkinson’s disease: involvement of calcium-binding protein- and substance P-positive cells" 119 : 723-735, 2010
4 Siderowf A, "[99mTc]TRODAT-1 SPECT imaging correlates with odor identifi cation in early Parkinson disease" 4 : 1716-1720, 2005
5 Struhal W, "VPS35 Parkinson’s disease phenotype resembles the sporadic disease" 121 : 755-759, 2014
6 Seppi K, "Update on treatments for nonmotor symptoms of Parkinson’s disease-an evidencebased medicine review" 34 : 180-198, 2019
7 Silva TP, "Time course study of microglial and behavioral alterations induced by 6-hydroxydopamine in rats" 622 : 83-87, 016
8 Aarsland D, "The spectrum of neuropsychiatric symptoms in patients with early untreated Parkinson’s disease" 80 : 928-930, 2009
9 Yang T, "The role of BDNF on neural plasticity in depression" 14 : 82-, 2020
10 Paschen L, "The olfactory bulb volume in patients with idiopathic Parkinson’s disease" 22 : 1068-1073, 2015
11 Nolwen L. Rey, "The olfactory bulb as the entry site for prion-like propagation in neurodegenerative diseases" Elsevier BV 109 : 226-248, 2018
12 Pearce RK, "The anterior olfactory nucleus in Parkinson’s disease" 10 : 283-287, 1995
13 Palmer TD, "The adult rat hippocampus contains primordial neural stem cells" 8 : 389-404, 1997
14 Oh YS, "Striatal dopamine uptake and olfactory dysfunction in patients with early Parkinson’s disease" 56 : 47-51, 2018
15 Rektorova I, "Striatal dopamine transporter imaging correlates with depressive symptoms and tower of London task performance in Parkinson’s disease" 23 : 1580-1587, 2008
16 Beate Winner, "Striatal deafferentation increases dopaminergic neurogenesis in the adult olfactory bulb" Elsevier BV 197 (197): 113-121, 2006
17 Braak H, "Staging of brain pathology related to sporadic Parkinson’s disease" 24 : 197-211, 2003
18 Li Y, "Sirt1/FoxO1-Associated MAO-A upregulation promotes depressive-like behavior in transgenic mice expressing human A53T alpha-Synuclein" 11 : 3838-3848, 2020
19 Jiang L, "Serum level of brain-derived neurotrophic factor in Parkinson’s disease: a meta-analysis" 88 : 168-174, 2019
20 Pagano G, "Serotonin transporter in Parkinson’s disease: a meta-analysis of positron emission tomography studies" 81 : 171-180, 2017
21 Kasai S, "Selegiline ameliorates depression-like behavior in mice lacking the" 11 : 75-, 2017
22 Bohnen NI, "Selective hyposmia in Parkinson disease: association with hippocampal dopamine activity" 12-16, 2008
23 Bohnen NI, "Selective hyposmia and nigrostriatal dopaminergic denervation in Parkinson’s disease" 254 : 84-90, 2007
24 Tobias Gustavsson, "SPECT imaging of distribution and retention of a brain-penetrating bispecific amyloid-β antibody in a mouse model of Alzheimer’s disease" Springer Science and Business Media LLC 9 (9): 2020
25 Hakyemez HA, "Relationship of olfactory function with olfactory bulbus volume, disease duration and Unifi ed Parkinson’s disease rating scale scores in patients with early stage of idiopathic Parkinson’s disease" 20 : 1469-1470, 2013
26 Tong Q, "Reduced plasma serotonin and 5-hydroxyindoleacetic acid levels in Parkinson’s disease are associated with nonmotor symptoms" 21 : 882-887, 2015
27 Mundinano IC, "Reduced cholinergic olfactory centrifugal inputs in patients with neurodegenerative disorders and MPTP-treated monkeys" 26 : 411-425, 2013
28 Meyer PM, "Reduced alpha4beta2*-nicotinic acetylcholine receptor binding and its relationship to mild cognitive and depressive symptoms in Parkinson disease" 66 : 866-877, 2009
29 Weintraub D, "Recognition and treatment of depression in Parkinson’s disease" 1 : 178-183, 003
30 Zhou XY, "Quality of Life in newly diagnosed patients with parkin-related Parkinson’s disease" 11 : 580910-, 2020
31 Lois C, "Proliferating subventricular zone cells in the adult mammalian forebrain can diff erentiate into neurons and glia" 90 : 2074-2077, 1993
32 Dorsey ER, "Projected number of people with Parkinson disease in the most populous nations, 2005 through 2030" 68 : 384-386, 2007
33 Liu X, "Profi ling non-motor symptoms in monogenic Parkinson’s disease" 12 : 591183-, 2020
34 Healy DG, "Phenotype, genotype, and worldwide genetic penetrance of LRRK2-associated Parkinson’s disease: a case-control study" 7 : 583-590, 2008
35 D’souza RD, "Paying attention to smell: cholinergic signaling in the olfactory bulb" 6 : 21-, 2014
36 Marchetti B, "Parkinson’s disease, aging and adult neurogenesis: Wnt/β-catenin signalling as the key to unlock the mystery of endogenous brain repair" 19 : e13101-, 2020
37 Thaler A, "Parkinson’s disease phenotype is infl uenced by the severity of the mutations in the GBA gene" 55 : 45-49, 2018
38 Ma M, "Optogenetic activation of basal forebrain cholinergic neurons modulates neuronal excitability and sensory responses in the main olfactory bulb" 32 : 10105-10116, 2012
39 Bahuleyan B, "Olfactory memory impairment in neurodegenerative diseases" 6 : 1437-1441, 2012
40 Haehner A, "Olfactory loss in Parkinson’s disease" 2011 : 450939-, 2011
41 Marin C, "Olfactory function in an excitotoxic model for secondary neuronal degeneration: role of dopaminergic interneurons" 364 : 28-44, 017
42 Bohnen NI, "Olfactory dysfunction, central cholinergic integrity and cognitive impairment in Parkinson’s disease" 133 : 1747-1754, 2010
43 He R, "Olfactory dysfunction predicts disease progression in Parkinson’s disease: a longitudinal study" 14 : 569777-, 2020
44 Doty RL, "Olfactory dysfunction in neurodegenerative diseases: is there a common pathological substrate?" 16 : 478-488, 2017
45 Elhassanien MEM, "Olfactory dysfunction in essential tremor versus tremor dominant Parkinson disease" 200 : 106352-, 2021
46 Ferraris A, "Olfactory dysfunction in Parkinsonism caused by PINK1 mutations" 24 : 2350-2357, 2009
47 Fullard ME, "Olfactory dysfunction as an early biomarker in Parkinson’s Disease" 33 : 515-525, 2017
48 Zhang S, "Olfactory dysfunction and neurotransmitter disturbance in olfactory bulb of transgenic mice expressing human A53T mutant α-synuclein" 10 : e0119928-, 2015
49 Domellöf ME, "Olfactory dysfunction and dementia in newly diagnosed patients with Parkinson’s disease" 38 : 41-47, 2017
50 Frasnelli J, "Olfactory dysfunction and daily life" 262 : 231-235, 2005
51 Tillerson JL, "Olfactory discrimination defi cits in mice lacking the dopamine transporter or the D2 dopamine receptor" 172 : 97-105, 2006
52 Fleming SM, "Olfactory defi cits in mice overexpressing human wildtype alpha-synuclein" 28 : 247-256, 2008
53 Mueller A, "Olfactory bulb volumes in patients with idiopathic Parkinson’s disease a pilot study" 112 : 1363-1370, 2005
54 Beach TG, "Olfactory bulb alphasynucleinopathy has high specifi city and sensitivity for Lewy body disorders" 117 : 169-174, 2009
55 Shill HA, "Olfaction in neuropathologically defi ned progressive supranuclear palsy. Mov Disord" 2021
56 Doty RL, "Olfaction in Parkinson’s disease and related disorders" 46 : 527-552, 12
57 Malek N, "Olfaction in Parkin single and compound heterozygotes in a cohort of young onset Parkinson’s disease patients" 134 : 271-276, 2016
58 Khan NL, "Olfaction diff erentiates parkin disease from early-onset parkinsonism and Parkinson disease" 62 : 1224-1226, 2004
59 Cecchini MP, "Olfaction and taste in Parkinson’s disease: the association with mild cognitive impairment and the single cognitive domain dysfunction" 126 : 585-595, 019
60 Li C, "Novel D3 dopamine receptor-preferring agonist D-264: evidence of neuroprotective property in Parkinson’s disease animal models induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine and lactacystin" 88 : 2513-2523, 2010
61 Todorova A, "Non-motor Parkinson’s: integral to motor Parkinson’s, yet often neglected" 14 : 310-313, 2014
62 Sauerbier A, "Non motor subtypes and Parkinson’s disease" 22 (22): S41-S46, 2016
63 Nicholatos JW, "Nicotine promotes neuron survival and partially protects from Parkinson’s disease by suppressing SIRT6" 6 : 120-, 2018
64 Yang J, "Nicotine improved the olfactory impairment in MPTP-induced mouse model of Parkinson’s disease" 73 : 175-182, 2019
65 Quik M, "Nicotine and Parkinson’s disease: implications for therapy" 23 : 1641-1652, 2008
66 Quik M, "Nicotine administration reduces striatal MPP+ levels in mice" 917 : 219-224, 2001
67 Park H, "Neurotrophin regulation of neural circuit development and function" 14 : 7-23, 2013
68 Ephraty L, "Neuropsychiatric and cognitive features in autosomal-recessive early parkinsonism due to PINK1 mutations" 22 : 566-569, 2007
69 Vroon A, "Neuroinfl ammation in Parkinson’s patients and MPTP-treated mice is not restricted to the nigrostriatal system: microgliosis and diff erential expression of interleukin-1 receptors in the olfactory bulb" 2 : 762-771, 2007
70 Vassilaki M, "Neuroimaging biomarkers and impaired olfaction in cognitively normal individuals" 81 : 871-882, 2017
71 Khan NL, "Mutations in the gene LRRK2 encoding dardarin (PARK8) cause familial Parkinson’s disease: clinical, pathological, olfactory and functional imaging and genetic data" 128 : 2786-2796, 2005
72 Winner B, "Mutant alphasynuclein exacerbates age-related decrease of neurogenesis" 29 : 913-925, 2008
73 Ray Chaudhuri K, "Motor and nonmotor complications of levodopa: phenomenology, risk factors, and imaging features" 33 : 909-919, 2018
74 Berendse HW, "Motor and non-motor correlates of olfactory dysfunction in Parkinson’s disease" 310 : 21-24, 2011
75 Bohnen NI, "Moore RY(2008b)Diagnostic performance of clinical motor and non-motor tests of Parkinson disease : a matched case-control study" 15 : 685-691, 2008
76 Guilloux JP, "Molecular evidence for BDNF- and GABA-related dysfunctions in the amygdala of female subjects with major depression" 17 : 1130-1142, 2012
77 Lee MM, "Major depression: a role for hippocampal neurogenesis?" 14 : 153-179, 2013
78 Zhang T, "MPTP impairs dopamine D1 receptor-mediated survival of newborn neurons in ventral hippocampus to cause depressive-like behaviors in adult mice" 9 : 101-, 2016
79 Adler CH, "Low clinical diagnostic accuracy of early vs advanced Parkinson disease: clinicopathologic study" 83 : 406-412, 2014
80 Rebholz H, "Loss of olfactory function-early indicator for Covid-19, other viral infections and neurodegenerative disorders" 11 : 569333-, 2020
81 Von Coelln R, "Loss of locus coeruleus neurons and reduced startle in parkin null mice" 101 : 10744-10749, 2004
82 Costa CM, "Levels of cortisol and neurotrophic factor brain-derived in Parkinson’s disease" 708 : 134359-, 2019
83 Lim J, "LRRK2 G2019S induces anxiety/depression-like behavior before the onset of motor dysfunction with 5-HT" 38 : 1611-1621, 2018
84 Schmidt N, "Invalid self-assessment of olfactory functioning in Parkinson’s disease patients may mislead the neurologist" 2020 : 7548394-, 2020
85 Santiago RM, "Induction of depressive-like behavior by intranigral 6-OHDA is directly correlated with defi cits in striatal dopamine and hippocampal serotonin" 259 : 70-77, 14
86 Kim YH, "Inducible dopaminergic glutathione depletion in an α-synuclein transgenic mouse model results in age-related olfactory dysfunction" 172 : 379-386, 2011
87 Mundiñano IC, "Increased dopaminergic cells and protein aggregates in the olfactory bulb of patients with neurodegenerative disorders" 122 : 61-74, 2011
88 Ponsen MM, "Idiopathic hyposmia as a preclinical sign of Parkinson’s disease" 56 : 173-181, 2004
89 Roos DS, "Hyposmia as a marker of (non-)motor disease severity in Parkinson’s disease" 26 : 1471-1478, 2019
90 Winner B, "Human wild-type alpha-synuclein impairs neurogenesis" 63 : 1155-1166, 2004
91 Lucassen EB, "History of smoking and olfaction in Parkinson’s disease" 29 : 1069-1074, 2014
92 Videbech P, "Hippocampal volume and depression: a meta-analysis of MRI studies" 161 : 1957-1966, 2004
93 Winner B, "Gage FH(2011)Adult neurogenesis and neurite outgrowth are impaired in LRRK2 G2019S mice" 41 : 706-716, 2011
94 Naoi M, "Functional mechanism of neuroprotection by inhibitors of type B monoamine oxidase in Parkinson’s disease" 9 : 1233-1250, 2009
95 B Westermann, "Functional imaging of the cerebral olfactory system in patients with Parkinson's disease" BMJ 79 (79): 19-24, 2008
96 Podurgiel SJ, "Fluoxetine administration exacerbates oral tremor and striatal dopamine depletion in a rodent pharmacological model of Parkinsonism" 40 : 2240-2247, 2015
97 Boileau I, "Elevated serotonin transporter binding in depressed patients with Parkinson’s disease: a preliminary PET study with [11C]DASB" 23 : 1776-1178, 2008
98 Boggio PS, "Eff ect of repetitive TMS and fl uoxetine on cognitive function in patients with Parkinson’s disease and concurrent depression" 20 : 1178-1184, 2005
99 Tani M, "Ectopic expression of α-synuclein aff ects the migration of neural stem cells in mouse subventricular zone" 115 : 854-863, 2010
100 Pifl C, "Early paradoxical increase of dopamine: a neurochemical study of olfactory bulb in asymptomatic and symptomatic MPTP treated monkeys" 11 : 46-, 2017
101 Duchamp-Viret P, "Dopaminergic modulation of mitral cell activity in the frog olfactory bulb: a combined radioligand binding-electrophysiological study" 79 : 203-216, 1997
102 Liu S, "Dopaminergic modulation of glomerular circuits in the mouse olfactory bulb" 14 : 172-, 2020
103 Berkowicz DA, "Dopaminergic modulation at the olfactory nerve synapse" 855 : 90-99, 2000
104 Davila NG, "Dopamine modulates synaptic transmission between rat olfactory bulb neurons in culture" 90 : 395-404, 2003
105 Hsia AY, "Dopamine depresses synaptic inputs into the olfactory bulb" 82 : 1082-1085, 1999
106 Gutièrrez-Mecinas M, "Distribution of D2 dopamine receptor in the olfactory glomeruli of the rat olfactory bulb" 22 : 1357-1367, 2005
107 Doty RL, "Development of the University of Pennsylvania Smell Identifi cation Test: a standardized microencapsulated test of olfactory function" 32 : 489-502, 1984
108 Caudal D, "Depressive-like phenotype induced by AAV-mediated overexpression of human alpha-synuclein in midbrain dopaminergic neurons" 273 : 243-252, 2015
109 Politis M, "Depressive symptoms in PD correlate with higher 5-HTT binding in raphe and limbic structures" 75 : 1920-1927, 2010
110 Remy P, "Depression in Parkinson’s disease: loss of dopamine and noradrenaline innervation in the limbic system" 128 : 1314-1322, 2005
111 Perez-Lloret S, "Defi cits in cholinergic neurotransmission and their clinical correlates in Parkinson’s disease" 2 : 16001-, 2016
112 Brodoehl S, "Decreased olfactory bulb volume in idiopathic Parkinson’s disease detected by 3.0-tesla magnetic resonance imaging" 27 : 1019-1025, 2012
113 Zhang X, "Decrease of gene expression of astrocytic 5-HT2B receptors parallels development of depressive phenotype in a mouse model of Parkinson’s disease" 9 : 388-, 2015
114 Deuel LM, "Complementary therapies in parkinson disease: a review of acupuncture, Tai Chi, Qi Gong, Yoga, and Cannabis" 17 : 1434-1455, 2020
115 Alcalay RN, "Cognitive performance of GBA mutation carriers with early-onset PD: the CORE-PD study" 78 : 1434-1440, 2012
116 Brandão PRP, "Cognitive impairment in Parkinson’s disease: a clinical and pathophysiological overview" 419 : 117177-, 2020
117 Hustad E, "Clinical and imaging markers of prodromal Parkinson’s disease" 11 : 395-, 2020
118 Blesa J, "Classic and new animal models of Parkinson’s disease" 2012 : 845618-, 2012
119 Malberg JE, "Chronic antidepressant treatment increases neurogenesis in adult rat hippocampus" 20 : 9104-9110, 2000
120 Mandairon N, "Cholinergic modulation in the olfactory bulb infl uences spontaneous olfactory discrimination in adult rats" 24 : 3234-3244, 2006
121 Chaudhury D, "Bulbar acetylcholine enhances neural and perceptual odor discrimination" 29 : 52-60, 2009
122 Cohen-Cory S, "Brainderived neurotrophic factor and the development of structural neuronal connectivity" 70 : 271-288, 2010
123 Witt M, "Biopsies of olfactory epithelium in patients with Parkinson’s disease" 24 : 906-914, 2009
124 Rial D, "Behavioral phenotyping of Parkin-defi cient mice: looking for early preclinical features of Parkinson’s disease" 9 : e114216-, 2014
125 Björkholm C, "BDNF—a key transducer of antidepressant eff ects" 102 : 72-79, 2016
126 Leonhardt B, "Awareness of olfactory dysfunction in Parkinson’s disease" 33 : 633-641, 2019
127 Yan J, "Atorvastatin improves motor function, anxiety and depression by NOX2-mediated autophagy and oxidative stress in MPTP-lesioned mice" 13 : 831-845, 2020
128 Baba T, "Association of olfactory dysfunction and brain. Metabolism in Parkinson’s Disease" 26 : 621-628, 2011
129 Wang J, "Association of olfactory bulb volume and olfactory sulcus depth with olfactory function in patients with Parkinson disease" 32 : 677-681, 2011
130 Kim JY, "Analysis of olfactory function and the depth of olfactory sulcus in patients with Parkinson’s disease" 22 : 1563-1156, 2007
131 Lian TH, "An investigation on the clinical features and neurochemical changes in Parkinson’s disease with depression" 9 : 723-, 2018
132 Kwon Y, "Amitriptyline interferes with autophagy-mediated clearance of protein aggregates via inhibiting autophagosome maturation in neuronal cells" 11 : 874-, 2020
133 Seritan AL, "Ages at onset of anxiety and depressive disorders in Parkinson’s disease" 31 : 346-352, 2019
134 Fearnley JM, "Ageing and Parkinson’s disease: substantia nigra regional selectivity" 114 (114): 2283-2301, 199
135 Marxreiter F, "Adult neurogenesis in Parkinson’s disease" 70 : 459-473, 2013
136 Jacobs BL, "Adult brain neurogenesis and psychiatry: a novel theory of depression" 5 : 262-269, 2000
137 Li Z, "Abnormal white matter microstructures in Parkinson’s disease and comorbid depression: a whole-brain diff usion tensor imaging study" 735 : 135238-, 2020
138 Wei L, "Abnormal ventral tegmental area-anterior cingulate cortex connectivity in Parkinson’s disease with depression" 347 : 132-139, 2018
139 임주희, "Abnormal hippocampal neurogenesis in Parkinson’s disease: relevance to a new therapeutic target for depression with Parkinson’s disease" 대한약학회 41 (41): 943-954, 2018
140 Xuyun Wen, "Abnormal Baseline Brain Activity in Non-Depressed Parkinson’s Disease and Depressed Parkinson’s Disease: A Resting-State Functional Magnetic Resonance Imaging Study" Public Library of Science (PLoS) 8 (8): e63691-, 2013
141 Hawkes CH, "A timeline for Parkinson’s disease" 16 : 79-84, 2010
142 Huisman E, "A 100% increase of dopaminergic cells in the olfactory bulb may explain hyposmia in Parkinson’s disease" 19 : 687-692, 2004