User profiles for Gregory Darnell

Gregory Darnell

- Verified email at princeton.edu - Cited by 295

Gregory Darnell, MS/Ph.D.

- Verified email at uchicago.edu - Cited by 255

Flanking polyproline sequences inhibit β-sheet structure in polyglutamine segments by inducing PPII-like helix structure

G Darnell, JPRO Orgel, R Pahl, SC Meredith - Journal of molecular biology, 2007 - Elsevier
Polyglutamine (poly(Q)) expansion is associated with protein aggregation into β-sheet amyloid
fibrils and neuronal cytotoxicity. In the mutant poly(Q) protein huntingtin, associated with …

[HTML][HTML] Sparse multi-output Gaussian processes for online medical time series prediction

LF Cheng, B Dumitrascu, G Darnell, C Chivers… - BMC medical informatics …, 2020 - Springer
Background For real-time monitoring of hospital patients, high-quality inference of patients’
health status using all information available from clinical covariates and lab test results is …

[HTML][HTML] Joint analysis of expression levels and histological images identifies genes associated with tissue morphology

JT Ash, G Darnell, D Munro, BE Engelhardt - Nature communications, 2021 - nature.com
Histopathological images are used to characterize complex phenotypes such as tumor stage.
Our goal is to associate features of stained tissue images with high-dimensional genomic …

[PDF][PDF] Mechanism of cis-inhibition of polyQ fibrillation by polyP: PPII oligomers and the hydrophobic effect

GD Darnell, JM Derryberry, JW Kurutz, SC Meredith - Biophysical journal, 2009 - cell.com
PolyQ peptides teeter between polyproline II (PPII) and β-sheet conformations. In tandem
polyQ-polyP peptides, the polyP segment tips the balance toward PPII, increasing the …

Statistical tests for detecting variance effects in quantitative trait studies

B Dumitrascu, G Darnell, J Ayroles… - …, 2019 - academic.oup.com
Motivation Identifying variants, both discrete and continuous, that are associated with
quantitative traits, or QTs, is the primary focus of quantitative genetics. Most current methods are …

[HTML][HTML] Multi-scale inference of genetic trait architecture using biologically annotated neural networks

P Demetci, W Cheng, G Darnell, X Zhou… - PLoS …, 2021 - journals.plos.org
In this article, we present Biologically Annotated Neural Networks (BANNs), a nonlinear
probabilistic framework for association mapping in genome-wide association (GWA) studies. …

Incorporating prior information into association studies

G Darnell, D Duong, B Han, E Eskin - Bioinformatics, 2012 - academic.oup.com
Recent technological developments in measuring genetic variation have ushered in an era
of genome-wide association studies which have discovered many genes involved in human …

[HTML][HTML] Modeling personalized heart rate response to exercise and environmental factors with wearables data

A Nazaret, S Tonekaboni, G Darnell, SY Ren… - NPJ Digital …, 2023 - nature.com
Heart rate (HR) response to workout intensity reflects fitness and cardiorespiratory health.
Physiological models have been developed to describe such heart rate dynamics and …

Accounting for statistical non-additive interactions enables the recovery of missing heritability from GWAS summary statistics

SP Smith, G Darnell, D Udwin, A Harpak… - bioRxiv, 2022 - biorxiv.org
LD score regression ( LDSC ) is a method to estimate narrow-sense heritability from genome-wide
association study (GWAS) summary statistics alone, making it a fast and popular …

Adaptive randomized dimension reduction on massive data

G Darnell, S Georgiev, S Mukherjee… - Journal of Machine …, 2017 - jmlr.org
The scalability of statistical estimators is of increasing importance in modern applications. One
approach to implementing scalable algorithms is to compress data into a low dimensional …