Olli Pietilainen

Employment

• University of Helsinki Group Leader
  2020 - Present
• Harvard University Research Fellow
  2020 - Present
• Broad Institute Postdoctoral associate
  2015 - Present
• Harvard University Postdoctoral fellow
  2015 - 2019
• Institute for Molecular Medicine Finland Ph.D student
  2008 - 2015
• Wellcome Sanger Institute Advanced research assistant
  2008 - 2009
• University of Helsinki

Education

• University of Helsinki Ph.D.
  2014 - 2015
• University of Helsinki
• University of Helsinki MSc
  ? - 2014

Projects & Funding

Projects & funding information is unavailable.

Publications (68)

• Cell villages and Dirichlet modeling map human cell fitness genetics
  American Journal of Human Genetics 2026 DOI: 10.1016/j.ajhg.2026.07.005
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• Functional KCC2 expression marks an evolutionarily conserved population of early-maturing interneurons in the perinatal cortex
  Nature Communications 2026 DOI: 10.1038/s41467-025-67270-x
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• Suomeen tarvitaan uusi post mortem -aivopankki
  Duodecim 2026
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• Rare Coding Variants in Schizophrenia Have Additive Effects on Polygenic Risk and Associate with Cognitive Abilities in Individuals with Psy-chotic Disorders
  European Neuropsychopharmacology 2025 DOI: 10.1016/j.euroneuro.2025.08.128
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• Control of Golgi- V-ATPase through Sac1-dependent co-regulation of PI(4)P and cholesterol
  Nature Communications 2025 DOI: 10.1038/s41467-025-63125-7
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• Polygenic Scores for Schizophrenia and Educational Attainment Predict Global Functioning Across Psychiatric Hospitalization Among People with Schizophrenia
  2025 DOI: 10.1101/2025.05.20.25328039
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• Influence of CYP2D6 phenotype on adherence, adverse effects, and attitudes in aripiprazole and risperidone users
  Acta Neuropsychiatrica 2025 DOI: 10.1017/neu.2025.11
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• miRNA profiling of hiPSC-derived neurons from monozygotic twins discordant for schizophrenia
  Schizophrenia 2025 DOI: 10.1038/s41537-025-00573-6
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• Distinct genetic liability profiles define clinically relevant patient strata across common diseases
  Nature Communications 2024 DOI: 10.1038/s41467-024-49338-2
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• Astrocytes Regulate Neuronal Network Burst Frequency Through NMDA Receptors in a Species- and Donor-Specific Manner
  Biological Psychiatry Global Open Science 2024 DOI: 10.1016/j.bpsgos.2024.100313
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• Genomic, molecular, and cellular divergence of the human brain
  Trends in Neurosciences 2024 DOI: 10.1016/j.tins.2024.05.009
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• Antipsychotic medications and sleep problems in patients with schizophrenia
  Schizophrenia Research 2024 DOI: 10.1016/j.schres.2024.03.015
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• Genetic contribution to disease-course severity and progression in the SUPER-Finland study, a cohort of 10,403 individuals with psychotic disorders.
  Molecular psychiatry 2024 DOI: 10.1038/s41380-024-02516-6
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• Evidence for the additivity of rare and common variant burden throughout the spectrum of intellectual disability.
  European journal of human genetics : EJHG 2024 DOI: 10.1038/s41431-024-01581-3
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• Geenit vaikuttavat psykoosisairauksien kulkuun ja ennusteeseen
  Duodecim 2024
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• Single-nucleus sequencing reveals enriched expression of genetic risk factors in extratelencephalic neurons sensitive to degeneration in ALS
  Nature Aging 2024 DOI: 10.1038/s43587-024-00640-0
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• Stratifying Psychotic Disorder Severity and Genetic Risk Using Longitudinal Inpatient Hospitalization Data
  Behavior Genetics 2024
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• X-chromosome inactivation in human iPSCs provides insight into X-regulated gene expression in autosomes
  Genome Biology 2024 DOI: 10.1186/s13059-024-03286-8
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• Robust induction of functional astrocytes using NGN2 expression in human pluripotent stem cells.
  iScience 2023 DOI: 10.1016/j.isci.2023.106995
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• SARS-CoV-2 Infection of Human Neurons Is TMPRSS2 Independent, Requires Endosomal Cell Entry, and Can Be Blocked by Inhibitors of Host Phosphoinositol-5 Kinase.
  Journal of virology 2023 DOI: 10.1128/jvi.00144-23
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