Author
Sinéad B. Chapman
Broad InstituteORCID 0000-0002-9454-2737Unclaimed ORCID profile · follow to get notified of new preprints
Biology Disciplines
Click to filter author papersSignature Assays, Organisms & Methods
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2021-2026 · peak 4/yrCo-Author Collaboration Network
10 top collaborators · 38 mutual co-author linksMutual co-authors in cluster
18 papers
Recent·Most cited
- Genetic & Genomic MedicinemedRxivPreprintDOI 10.64898/2026.09.30.26364416
- Genetic & Genomic MedicinemedRxivPreprint
A founder population reveals genetic variation with major effect on serious mental illness
G. H. Gerdes, Veronica Tozzo, Susan K. Service…·Loes M. Olde Loohuis
The paper identifies a founder variant in ADAP1 associated with increased risk of schizophrenia and bipolar disorder in a Colombian genetic isolate.
DOI 10.64898/2026.09.25.26363706 - Genetic & Genomic MedicinemedRxivPreprint
Effect of ancestry and shared genetic architecture of serious mental illness on symptoms and cognition in an admixed Latin American population
Nelson B. Freimer, Esteban A. Lopera-Maya, Susan Service…·Carlos López-Jaramillo
The paper shows that European GWAS findings for serious mental illness and cognition are portable to an admixed Latin American population, associating genetic risk scores with multiple symptoms and cognitive traits.
- Genetic & Genomic MedicinemedRxivPreprint✦ In-depth digest
Integrating 730,947 exome sequences with clinical literature improves gene discovery
Jérémy Guez, Julia K. Goodrich, Mikhail A. Moldovan…·Konrad J. Karczewski
gnomAD v4 (730,947 exomes) brings LOFTEE-2 loss-of-function annotation (0.90 precision, strict mode), missense-aware constraint, and LLM-mined literature evidence combined with constraint to rank disease genes.
26 citations - GenomicsNature CommunicationsPeer-reviewed
Exploring penetrance of clinically relevant variants in over 800,000 humans from the Genome Aggregation Database
Sanna Gudmundsson, Moriel Singer‐Berk, Sarah L. Stenton…·Fernando S. Goes
The paper analyzes over 800,000 human genomes to assess penetrance of clinically relevant variants, finding that 95% of pLoF variants in severe diseases have explanations for lack of disease manifestation.
30 citationstop 1% - NeuroscienceSLEEPPeer-reviewed
A spectrum of altered non-rapid eye movement sleep in schizophrenia
Nataliia Kozhemiako, Chenguang Jiang, Yifan Sun…·Shaun Purcell
This study replicates group-level sleep EEG differences in schizophrenia and shows increased patient-to-patient variability in NREM metrics, with medication and age-related effects contributing to this heterogeneity.
12 citations - GenomicsbioRxivPreprint
A blended genome and exome sequencing method captures genetic variation in an unbiased, high-quality, and cost-effective manner
Toni A. Boltz, Benjamin B. Chu, Calwing Liao…·Alicia R. Martin
The paper introduces BGE, a sequencing method that combines low-pass whole genome and deep whole exome data, showing high accuracy and cost-effectiveness for genetic variant discovery.
12 citations - GenomicsbioRxivPreprint
Blended Genome Exome (BGE) as a Cost Efficient Alternative to Deep Whole Genomes or Arrays
Matthew T. DeFelice, Jonna Grimsby, Daniel P. Howrigan…·Benjamin M. Neale
The paper introduces a cost-efficient sequencing method called Blended Genome Exome (BGE) that combines low-coverage whole genome and high-coverage exome data, achieving >99% concordance with 30x WGS for variant imputation and rare coding variant calling.
- GeneticsNaturePeer-reviewed✦ In-depth digest
A genome-wide mutational constraint map quantified from variation in 76,156 human genomes
Siwei Chen, Laurent C. Francioli, Julia K. Goodrich…·David B. Goldstein
Rare-variant depletion in 1kb windows of 76,156 gnomAD genomes, versus feature-adjusted mutation expectations, marks regulatory elements and outperforms seven alternative scores at flagging functional non-coding variants.
1,735 citationstop 1% - GenomicsNature GeneticsPeer-reviewed
Inferring compound heterozygosity from large-scale exome sequencing data
Michael H. Guo, Laurent C. Francioli, Sarah L. Stenton…·Bong-Jo Kim
The paper develops a method to infer compound heterozygosity from exome sequencing data, achieving high accuracy in phasing rare variants for recessive disease diagnosis.
36 citationstop 2% - NeuroscienceBrain TopographyPeer-reviewed
Bias in group-level EEG microstate analysis
Michael Murphy, Jun Wang, Chenguang Jiang…·Chenaugnag Jiang
This study identifies biases in group-level EEG microstate analysis and proposes a paired analysis approach to reduce errors from subgroup topography differences.
30 citationstop 4% - Genetic & Genomic MedicineCell GenomicsPeer-reviewed
Global biobank analyses provide lessons for developing polygenic risk scores across diverse cohorts
Ying Wang, Shinichi Namba, Esteban A. Lopera-Maya…·Clara Lajonchere
This study evaluates polygenic risk score methods across diverse biobanks and ancestries, finding that European reference panels often yield better performance, while PRS-CS outperforms P+T for high-heritability traits.
118 citationstop 1% - Genetic & Genomic MedicineCell GenomicsPeer-reviewed
Meta-analysis fine-mapping is often miscalibrated at single-variant resolution
Masahiro Kanai, Roy Elzur, Wei Zhou…·Tom R. Gaunt
This paper shows that meta-analysis fine-mapping is often miscalibrated due to cohort heterogeneity and introduces a QC method to identify suspicious loci.
98 citationstop 1% - Genetic & Genomic MedicineCell GenomicsPeer-reviewed✦ In-depth digest
Global Biobank Meta-analysis Initiative: powering genetic discovery across human diseases
Wei Zhou, Masahiro Kanai, Kuan-Han Wu…·Jennifer E. Huffman
Meta-analysis of harmonized GWAS from up to 18 biobanks (six ancestry groups) across 14 endpoints replicated 320 known loci and identified 188 apparently novel loci.
437 citationstop 1% - Genetic & Genomic MedicineNaturePeer-reviewed✦ In-depth digest
Exome sequencing identifies rare coding variants in 10 genes which confer substantial risk for schizophrenia
Tarjinder Singh, Timothy Poterba, David Curtis…·David St Clair
Exomes of 24,248 schizophrenia cases and 97,322 controls implicate ultra-rare damaging variants in 10 genes, including GRIN2A and GRIA3, with odds ratios of 3 to 50.
979 citationstop 1% - GenomicsGenome MedicinePeer-reviewed
Inter-species geographic signatures for tracing horizontal gene transfer and long-term persistence of carbapenem resistance
Rauf Salamzade, Abigail L. Manson, Bruce J. Walker…·Ashlee M. Earl
The paper develops a method to trace horizontal gene transfer and persistence of carbapenem resistance genes across bacterial species using genomic data from clinical isolates.
- GenomicsThe American Journal of Human GeneticsPeer-reviewed
Low-coverage sequencing cost-effectively detects known and novel variation in underrepresented populations
Alicia R. Martin, Elizabeth G. Atkinson, Sinéad B. Chapman…·Zukiswa Zingela
This study shows low-coverage sequencing is more accurate and cost-effective than GWAS arrays for detecting genetic variation in diverse African populations.
119 citationstop 1% - Genetic & Genomic MedicinemedRxivPreprint
Exome sequencing in bipolar disorder reveals shared risk gene AKAP11 with schizophrenia
Duncan S. Palmer, Daniel P. Howrigan, Sinéad B. Chapman…·Benjamin M. Neale
The paper reports exome sequencing findings in bipolar disorder, identifying AKAP11 as a shared risk gene with schizophrenia through ultra-rare protein-truncating variants.
5 citations