Author
Martin Alda
Dalhousie UniversityORCID 0000-0001-9544-3944Unclaimed ORCID profile · follow to get notified of new preprints
Biology Disciplines
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2016-2026 · peak 7/yrCo-Author Collaboration Network
10 top collaborators · 38 mutual co-author links22 papers
Recent·Most cited
- Genetic & Genomic MedicinemedRxivPreprintDOI 10.64898/2026.09.30.26364416
- NeurosciencebioRxivPreprint
Neuronal secretome from bipolar patient-derived neurons alters network function and contains candidate biomarkers for diagnosis and lithium response
Alessia Pietrantonio, Charles-Etienne Castonguay, Daniel L. Rochefort…·Anouar Khayachi
This study identifies biomarkers in the neuronal secretome of bipolar disorder patients that correlate with disease state and lithium response, revealing their impact on neuronal network function.
DOI 10.64898/2026.05.11.724377 - Genetic & Genomic MedicinemedRxivPreprint
Genome-wide association studies identify 77 loci for suicidality and provide novel biological insights
Sarah M. C. Colbert, Maria Koromina, Alexander S Hatoum…·Bharath Holla
This study identifies 77 genetic loci associated with suicidality through genome-wide association analyses across multiple cohorts and provides biological insights into its genetic architecture.
4 citations - NeuroscienceTranslational PsychiatryPeer-reviewed
The Effects of Bipolar Disorder Granule Cell Hyperexcitability and Lithium Therapy on Pattern Separation in a Computational Model of the Dentate Gyrus
Selena Singh, Anouar Khayachi, Shani Stern…·Abraham Nunes
This study uses a computational model of the dentate gyrus to show that lithium therapy improves pattern separation in bipolar disorder patients only by normalizing spontaneous activity, not by reducing cell excitability.
5 citations - NeurosciencebioRxivPreprint
Divergent Excitability of GABAergic Neurons Derived from Bipolar Disorder Patients Shapes Energy Shifts of Network Dynamics, possibly mimicking mania and depression
Ashwani Choudhary, Omveer Sharma, Ran Ben Ezer…·Shani Stern
This study compares lithium-responsive and non-responsive bipolar disorder patients' GABAergic neurons, showing divergent excitability that drives network state shifts, potentially linked to mood episodes.
DOI 10.1101/2025.08.28.672780 - Genetic & Genomic MedicinemedRxivPreprint
A cross-disorder analysis of CNVs finds novel loci and dose-dependent relationships of genes to psychiatric traits
Omar Shanta, Marieke Klein, Molly Sacks…·Annette M. Hartmann
The paper identifies novel CNV loci and dose-dependent gene effects across six psychiatric disorders using genome-wide analysis.
6 citations - Genetic & Genomic MedicinemedRxivPreprint
Psychiatric disorders converge on common pathways but diverge in cellular context, spatial distribution, and directionality of genetic effects
Worrawat Engchuan, Omar Shanta, Kuldeep Kumar…·Michael Foster Green
The paper identifies shared and divergent genetic mechanisms across psychiatric disorders using gene-set burden analysis of copy number variants.
4 citations - GenomicsbioRxivPreprint
Lithium partially rescues gene expression and enhancer activity from heterozygous knockout of AKAP11 while inducing novel differential changes
Nargess Farhangdoost, Alessia Pietrantonio, Yumin Liu…·Guy Armand Rouleau
This study shows lithium partially rescues transcriptomic and epigenomic changes in AKAP11 heterozygous knockout neurons, suggesting potential therapeutic relevance for bipolar disorder and schizophrenia.
DOI 10.1101/2025.02.24.639480 - NeuroscienceBrain and BehaviorPeer-reviewed
The Impact of Electrophysiological Diversity on Pattern Completion in Lithium Nonresponsive Bipolar Disorder: A Computational Modelling Approach
Abraham Nunes, Selena Singh, Anouar Khayachi…·Martin Alda
This paper uses a computational model of the hippocampal CA3 to show that excitability variance in pyramidal cells impairs pattern completion in lithium nonresponsive bipolar disorder patients.
DOI 10.1002/brb3.70209 - NeurosciencebioRxivPreprint
Predicting Suicide Risk in Bipolar Disorder patients from Lymphoblastoid Cell Lines genetic signatures
Omveer Sharma, Ritu Nayak, Liron Mizrahi…·Shani Stern
This paper identifies genetic signatures in lymphoblastoid cell lines associated with suicide risk in bipolar disorder patients using RNA sequencing and machine learning.
3 citations - NeuroscienceEBioMedicinePeer-reviewed
Molecular signatures of hyperexcitability and lithium responsiveness in bipolar disorder patient neurons provide alternative therapeutic strategies.
Anouar Khayachi, Malak Abuzgaya, Yumin Liu…·Austen J. Milnerwood
The paper identifies molecular signatures of neuronal hyperexcitability and lithium responsiveness in bipolar disorder neurons, suggesting new therapeutic strategies targeting Akt and AMPK pathways.
23 citationstop 2% - GenomicsbioRxivPreprint
Transcriptomic and epigenomic consequences of heterozygous loss of function mutations in AKAP11, the first large-effect shared risk gene for bipolar disorder and schizophrenia
Nargess Farhangdoost, Calwing Liao, Yumin Liu…·Boris Chaumette
This study investigates transcriptomic and epigenomic changes in human neurons with heterozygous AKAP11 loss-of-function mutations, revealing dysregulation of enhancers and gene networks linked to bipolar disorder and schizophrenia.
2 citations - NeurosciencebioRxivPreprint
Bridging Big Data: Procedures for Combining Non-equivalent Cognitive Measures from the ENIGMA Consortium
Eamonn Kennedy, Shashank Vadlamani, Hannah Michelle Lindsey…·Marise B. Parent
The paper demonstrates a data harmonization process for memory testing across 53 studies, reducing inter-site variance while preserving covariate effects.
6 citations - NeurosciencebioRxivPreprint
Information theory characteristics improve the prediction of lithium response in bipolar disorder patients using an SVM classifier
Utkarsh Tripathi, Liron Mizrahi, Martin Alda…·Shani Stern
The paper uses information theory features to improve SVM classification of lithium response in bipolar disorder patients, achieving 99% accuracy in distinguishing responders from non-responders.
- Genetic & Genomic MedicineBiological PsychiatryPeer-reviewed
Dissecting the shared genetic architecture of suicide attempt, psychiatric disorders and known risk factors
Niamh Mullins, Jooeun Kang, Adrián I. Campos…·DAVID L. BRAFF
This study identifies genetic loci associated with suicide attempts and shows shared genetic architecture with psychiatric disorders and non-psychiatric risk factors.
238 citationstop 1% - NeuroscienceJournal of Psychiatry and NeurosciencePeer-reviewed
Chronic lithium treatment alters the excitatory/inhibitory balance of synaptic networks and reduces mGluR5-PKC signaling
Anouar Khayachi, Ariel R. Ase, Calwing Liao…·Austen J. Milnerwood
This study shows chronic lithium treatment reduces neuronal excitability and shifts the excitatory/inhibitory balance toward inhibition in mouse cortical neurons.
30 citationstop 5% - NeuroscienceBiological PsychiatryPeer-reviewed
Circadian rhythms in bipolar disorder patient-derived neurons predict lithium response
Himanshu K. Mishra, Noelle M. Ying, Angelica Luis…·Michael J. McCarthy
This study shows that bipolar disorder patient-derived neurons exhibit circadian rhythm abnormalities, with lithium non-responders showing more severe deficits that can be partially reversed by temperature entrainment.
- GeneticsBiological PsychiatryPeer-reviewed
Examining sex-differentiated genetic effects across neuropsychiatric and behavioral traits
Joanna Martin, Ekaterina A. Khramtsova, Slavina B. Goleva…·Eli Stahl
The paper examines sex-differentiated genetic effects across neuropsychiatric and behavioral traits using GWAS summary statistics and finds small, polygenic sex differences with enriched neuron-related genes.
78 citationstop 1% - NeuroscienceMolecular PsychiatryPeer-reviewed
Brain Aging in Major Depressive Disorder: Results from the ENIGMA Major Depressive Disorder working group
Laura K. M. Han, Richard Dinga, Tim Hahn…·Janice M. Fullerton
This paper examines brain aging in major depressive disorder (MDD) using a large dataset, finding that MDD patients show increased brain age differences compared to controls.
- GeneticsbioRxivPreprint
Genome-wide association study of suicide attempt in psychiatric disorders identifies association with major depression polygenic risk scores
Niamh Mullins, Tim B. Bigdeli, Anders Dupont Børglum…·Stéphane Jamain
This paper conducts a GWAS on suicide attempt across psychiatric disorders, identifying genetic loci and showing polygenic risk for major depression predicts suicide attempt in multiple disorders.
6 citations - GenomicsCellPeer-reviewed
Genomic dissection of bipolar disorder and schizophrenia including 28 subphenotypes
Douglas M. Ruderfer, Stephan Ripke, Andrew McQuillin…·David Wesley Craig
This study identifies 114 genome-wide significant loci for schizophrenia and bipolar disorder, with specific subphenotype associations and four genes distinguishing the disorders.
744 citationstop 1%