User profiles for Karen Colwill

Karen Colwill

Staff Scientist, Lunenfeld-Tanenbaum Research Inst; Manager, Network Biology …
Verified email at lunenfeld.ca
Cited by 8822

Persistence of serum and saliva antibody responses to SARS-CoV-2 spike antigens in COVID-19 patients

…, LM Marin, L Caldwell, JL Wrana, K Colwill… - Science …, 2020 - science.org
While the antibody response to SARS-CoV-2 has been extensively studied in blood,
relatively little is known about the antibody response in saliva and its relationship to systemic …

Large‐scale mapping of human protein–protein interactions by mass spectrometry

…, II Stewart, B Kuehl, K Hogue, K Colwill… - Molecular systems …, 2007 - embopress.org
Mapping protein–protein interactions is an invaluable tool for understanding protein function.
Here, we report the first large‐scale study of protein–protein interactions in human cells …

[HTML][HTML] Systematic discovery of in vivo phosphorylation networks

…, C Jørgensen, IM Miron, F Diella, K Colwill… - Cell, 2007 - cell.com
Protein kinases control cellular decision processes by phosphorylating specific substrates.
Thousands of in vivo phosphorylation sites have been identified, mostly by proteome-wide …

Systemic and mucosal IgA responses are variably induced in response to SARS-CoV-2 mRNA vaccination and are associated with protection against subsequent …

…, G Blacker, M Fazel-Zarandi, B Rathod, K Colwill… - Mucosal …, 2022 - nature.com
Although SARS-CoV-2 infects the upper respiratory tract, we know little about the amount,
type, and kinetics of antibodies (Ab) generated in the oral cavity in response to COVID-19 …

[HTML][HTML] A Rich1/Amot complex regulates the Cdc42 GTPase and apical-polarity proteins in epithelial cells

…, K Elder, S Kulkarni, G Gish, C Virag, C Lim, K Colwill… - Cell, 2006 - cell.com
Using functional and proteomic screens of proteins that regulate the Cdc42 GTPase, we
have identified a network of protein interactions that center around the Cdc42 RhoGAP Rich1 …

NetworKIN: a resource for exploring cellular phosphorylation networks

…, A Pasculescu, M Olhovsky, K Colwill… - Nucleic acids …, 2007 - academic.oup.com
Protein kinases control cellular responses by phosphorylating specific substrates. Recent
proteome-wide mapping of protein phosphorylation sites by mass spectrometry has …

A roadmap to generate renewable protein binders to the human proteome

K Colwill… - Nature …, 2011 - nature.com
Despite the wealth of commercially available antibodies to human proteins, research is
often hindered by their inconsistent validation, their poor performance and the inadequate …

Temporal regulation of EGF signalling networks by the scaffold protein Shc1

…, A Pasculescu, L Taylor, SA Tate, WR Hardy, K Colwill… - Nature, 2013 - nature.com
Cell-surface receptors frequently use scaffold proteins to recruit cytoplasmic targets, but the
rationale for this is uncertain. Activated receptor tyrosine kinases, for example, engage …

[HTML][HTML] A simple protein-based surrogate neutralization assay for SARS-CoV-2

…, B Rathod, JH Wang, M Barrios-Rodiles, K Colwill… - JCI insight, 2020 - ncbi.nlm.nih.gov
Most of the patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
mount a humoral immune response to the virus within a few weeks of infection, but the …

Systems analysis of RhoGEF and RhoGAP regulatory proteins reveals spatially organized RAC1 signalling from integrin adhesions

…, O Popp, P Mertins, AC Gingras, FP Roth, K Colwill… - Nature cell …, 2020 - nature.com
Rho GTPases are central regulators of the cytoskeleton and, in humans, are controlled by
145 multidomain guanine nucleotide exchange factors (RhoGEFs) and GTPase-activating …