Table 3.

Selection of Findings From Olfactory Neuro-Epithelium–Derived Models for Psychiatric Disorders

DisorderModelResultsReference
Neurodegenerative disorders
Alzheimer’s diseaseOlfactory neuro-epithelial tissueMethoxy-X04-derivative BSC4090 as a biomarker of early stage Alzheimer(Pellkofer et al., 2019)
Parkinson’s diseaseCultured olfactory neurosphere-derived cell linesDisease-specific alterations in gene and protein expression as a model for Parkinson’s disease(Matigian et al., 2010) (Parkinson + SCZ)
Schizophrenia
Cultured olfactory neurosphere-derived cell lines (and iPSCs)Differences in DNA methylation in fibroblasts, olfactory neurosphere-derived cells, and iPSCs(Vitale et al., 2017)
Cultured olfactory neurosphere-derived cell linesDysregulated protein synthesis(English et al., 2015)
Cultured olfactory neurosphere-derived cell linesAlterations in cell cycle dynamics(Fan et al., 2012)
Olfactory neuro-epithelial tissueInvolvement of the SMAD pathway in brain function(Horiuchi et al., 2016)
Olfactory neuro-epithelial tissueAlterations in cell cycle dynamics(McCurdy et al., 2006) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesAlterations of microtubular organisation(Solis-Chagoyan et al., 2013) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesAlterations of autophagic processes(Sumitomo et al., 2018) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesChanges in IRS2 tyrosine phosphorylation suggestive of insulin resistance(Takayanagi et al., 2020) (SCZ + BP)
Affective disorders
Bipolar disorderOlfactory neuro-epithelial tissueAlterations in intracellular calcium signaling(Hahn et al., 2005)
Olfactory neuro-epithelial tissueMolecular changes through lithium treatment and association with treatment response(Narayan et al., 2014)
Olfactory neuro-epithelial tissueAssociation of GSK3ß and CRMP1 with mood symptoms(McLean et al., 2018)
Cultured olfactory neurosphere-derived cell linesAlterations of microtubular organization(Solis-Chagoyan et al., 2013) (SCZ + BP)
Olfactory neuro-epithelial tissueAlterations in phosphatidylinositol signaling pathways(McCurdy et al., 2006) (SCZ + BP)
Neurodevelopmental disorders
Fragile-X-SyndromeCultured olfactory neurosphere-derived cell linesIndication for the feasibility of testing for FMR1 mutations using olfactory neurons as a model for Fragile-X syndrome(Abrams et al., 1999)
Rett-SyndromeOlfactory neuro-epithelial tissueAlterations in neuronal structure and quantity as a model for Rett-Syndrome(Ronnett et al., 2003)
ASDOlfactory stem cellsAltered molybdenum cofactor sulfenase expression as a potential biomarker for ASD(Feron et al., 2016)
Olfactory stem cellsDysregulation of 4 micro RNAs as early biomarkers of ASD(Nguyen et al., 2016)
Olfactory stem cells (and iPSCs)Impaired expression of a long noncoding RNA (COSMOC) as a model for ASD(Rontani et al., 2020)
DisorderModelResultsReference
Neurodegenerative disorders
Alzheimer’s diseaseOlfactory neuro-epithelial tissueMethoxy-X04-derivative BSC4090 as a biomarker of early stage Alzheimer(Pellkofer et al., 2019)
Parkinson’s diseaseCultured olfactory neurosphere-derived cell linesDisease-specific alterations in gene and protein expression as a model for Parkinson’s disease(Matigian et al., 2010) (Parkinson + SCZ)
Schizophrenia
Cultured olfactory neurosphere-derived cell lines (and iPSCs)Differences in DNA methylation in fibroblasts, olfactory neurosphere-derived cells, and iPSCs(Vitale et al., 2017)
Cultured olfactory neurosphere-derived cell linesDysregulated protein synthesis(English et al., 2015)
Cultured olfactory neurosphere-derived cell linesAlterations in cell cycle dynamics(Fan et al., 2012)
Olfactory neuro-epithelial tissueInvolvement of the SMAD pathway in brain function(Horiuchi et al., 2016)
Olfactory neuro-epithelial tissueAlterations in cell cycle dynamics(McCurdy et al., 2006) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesAlterations of microtubular organisation(Solis-Chagoyan et al., 2013) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesAlterations of autophagic processes(Sumitomo et al., 2018) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesChanges in IRS2 tyrosine phosphorylation suggestive of insulin resistance(Takayanagi et al., 2020) (SCZ + BP)
Affective disorders
Bipolar disorderOlfactory neuro-epithelial tissueAlterations in intracellular calcium signaling(Hahn et al., 2005)
Olfactory neuro-epithelial tissueMolecular changes through lithium treatment and association with treatment response(Narayan et al., 2014)
Olfactory neuro-epithelial tissueAssociation of GSK3ß and CRMP1 with mood symptoms(McLean et al., 2018)
Cultured olfactory neurosphere-derived cell linesAlterations of microtubular organization(Solis-Chagoyan et al., 2013) (SCZ + BP)
Olfactory neuro-epithelial tissueAlterations in phosphatidylinositol signaling pathways(McCurdy et al., 2006) (SCZ + BP)
Neurodevelopmental disorders
Fragile-X-SyndromeCultured olfactory neurosphere-derived cell linesIndication for the feasibility of testing for FMR1 mutations using olfactory neurons as a model for Fragile-X syndrome(Abrams et al., 1999)
Rett-SyndromeOlfactory neuro-epithelial tissueAlterations in neuronal structure and quantity as a model for Rett-Syndrome(Ronnett et al., 2003)
ASDOlfactory stem cellsAltered molybdenum cofactor sulfenase expression as a potential biomarker for ASD(Feron et al., 2016)
Olfactory stem cellsDysregulation of 4 micro RNAs as early biomarkers of ASD(Nguyen et al., 2016)
Olfactory stem cells (and iPSCs)Impaired expression of a long noncoding RNA (COSMOC) as a model for ASD(Rontani et al., 2020)

Abbreviations: BP, bipolar disorder; COSMOC, antisense long noncoding RNA of molybdenum cofactor sulfurase (MOCOS); CRMP1, Collapsin Response Mediator Protein 1; FMR1, fragile X mental retardation 1; GSK3ß, Glykogensynthase-Kinase 3; IRS2, insuline receptor subtype 2; SMAD, SMA and Mothers Against Decapentaplegic (MAD); SCZ, schizophrenia.

Table 3.

Selection of Findings From Olfactory Neuro-Epithelium–Derived Models for Psychiatric Disorders

DisorderModelResultsReference
Neurodegenerative disorders
Alzheimer’s diseaseOlfactory neuro-epithelial tissueMethoxy-X04-derivative BSC4090 as a biomarker of early stage Alzheimer(Pellkofer et al., 2019)
Parkinson’s diseaseCultured olfactory neurosphere-derived cell linesDisease-specific alterations in gene and protein expression as a model for Parkinson’s disease(Matigian et al., 2010) (Parkinson + SCZ)
Schizophrenia
Cultured olfactory neurosphere-derived cell lines (and iPSCs)Differences in DNA methylation in fibroblasts, olfactory neurosphere-derived cells, and iPSCs(Vitale et al., 2017)
Cultured olfactory neurosphere-derived cell linesDysregulated protein synthesis(English et al., 2015)
Cultured olfactory neurosphere-derived cell linesAlterations in cell cycle dynamics(Fan et al., 2012)
Olfactory neuro-epithelial tissueInvolvement of the SMAD pathway in brain function(Horiuchi et al., 2016)
Olfactory neuro-epithelial tissueAlterations in cell cycle dynamics(McCurdy et al., 2006) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesAlterations of microtubular organisation(Solis-Chagoyan et al., 2013) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesAlterations of autophagic processes(Sumitomo et al., 2018) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesChanges in IRS2 tyrosine phosphorylation suggestive of insulin resistance(Takayanagi et al., 2020) (SCZ + BP)
Affective disorders
Bipolar disorderOlfactory neuro-epithelial tissueAlterations in intracellular calcium signaling(Hahn et al., 2005)
Olfactory neuro-epithelial tissueMolecular changes through lithium treatment and association with treatment response(Narayan et al., 2014)
Olfactory neuro-epithelial tissueAssociation of GSK3ß and CRMP1 with mood symptoms(McLean et al., 2018)
Cultured olfactory neurosphere-derived cell linesAlterations of microtubular organization(Solis-Chagoyan et al., 2013) (SCZ + BP)
Olfactory neuro-epithelial tissueAlterations in phosphatidylinositol signaling pathways(McCurdy et al., 2006) (SCZ + BP)
Neurodevelopmental disorders
Fragile-X-SyndromeCultured olfactory neurosphere-derived cell linesIndication for the feasibility of testing for FMR1 mutations using olfactory neurons as a model for Fragile-X syndrome(Abrams et al., 1999)
Rett-SyndromeOlfactory neuro-epithelial tissueAlterations in neuronal structure and quantity as a model for Rett-Syndrome(Ronnett et al., 2003)
ASDOlfactory stem cellsAltered molybdenum cofactor sulfenase expression as a potential biomarker for ASD(Feron et al., 2016)
Olfactory stem cellsDysregulation of 4 micro RNAs as early biomarkers of ASD(Nguyen et al., 2016)
Olfactory stem cells (and iPSCs)Impaired expression of a long noncoding RNA (COSMOC) as a model for ASD(Rontani et al., 2020)
DisorderModelResultsReference
Neurodegenerative disorders
Alzheimer’s diseaseOlfactory neuro-epithelial tissueMethoxy-X04-derivative BSC4090 as a biomarker of early stage Alzheimer(Pellkofer et al., 2019)
Parkinson’s diseaseCultured olfactory neurosphere-derived cell linesDisease-specific alterations in gene and protein expression as a model for Parkinson’s disease(Matigian et al., 2010) (Parkinson + SCZ)
Schizophrenia
Cultured olfactory neurosphere-derived cell lines (and iPSCs)Differences in DNA methylation in fibroblasts, olfactory neurosphere-derived cells, and iPSCs(Vitale et al., 2017)
Cultured olfactory neurosphere-derived cell linesDysregulated protein synthesis(English et al., 2015)
Cultured olfactory neurosphere-derived cell linesAlterations in cell cycle dynamics(Fan et al., 2012)
Olfactory neuro-epithelial tissueInvolvement of the SMAD pathway in brain function(Horiuchi et al., 2016)
Olfactory neuro-epithelial tissueAlterations in cell cycle dynamics(McCurdy et al., 2006) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesAlterations of microtubular organisation(Solis-Chagoyan et al., 2013) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesAlterations of autophagic processes(Sumitomo et al., 2018) (SCZ + BP)
Cultured olfactory neurosphere-derived cell linesChanges in IRS2 tyrosine phosphorylation suggestive of insulin resistance(Takayanagi et al., 2020) (SCZ + BP)
Affective disorders
Bipolar disorderOlfactory neuro-epithelial tissueAlterations in intracellular calcium signaling(Hahn et al., 2005)
Olfactory neuro-epithelial tissueMolecular changes through lithium treatment and association with treatment response(Narayan et al., 2014)
Olfactory neuro-epithelial tissueAssociation of GSK3ß and CRMP1 with mood symptoms(McLean et al., 2018)
Cultured olfactory neurosphere-derived cell linesAlterations of microtubular organization(Solis-Chagoyan et al., 2013) (SCZ + BP)
Olfactory neuro-epithelial tissueAlterations in phosphatidylinositol signaling pathways(McCurdy et al., 2006) (SCZ + BP)
Neurodevelopmental disorders
Fragile-X-SyndromeCultured olfactory neurosphere-derived cell linesIndication for the feasibility of testing for FMR1 mutations using olfactory neurons as a model for Fragile-X syndrome(Abrams et al., 1999)
Rett-SyndromeOlfactory neuro-epithelial tissueAlterations in neuronal structure and quantity as a model for Rett-Syndrome(Ronnett et al., 2003)
ASDOlfactory stem cellsAltered molybdenum cofactor sulfenase expression as a potential biomarker for ASD(Feron et al., 2016)
Olfactory stem cellsDysregulation of 4 micro RNAs as early biomarkers of ASD(Nguyen et al., 2016)
Olfactory stem cells (and iPSCs)Impaired expression of a long noncoding RNA (COSMOC) as a model for ASD(Rontani et al., 2020)

Abbreviations: BP, bipolar disorder; COSMOC, antisense long noncoding RNA of molybdenum cofactor sulfurase (MOCOS); CRMP1, Collapsin Response Mediator Protein 1; FMR1, fragile X mental retardation 1; GSK3ß, Glykogensynthase-Kinase 3; IRS2, insuline receptor subtype 2; SMAD, SMA and Mothers Against Decapentaplegic (MAD); SCZ, schizophrenia.

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