ArticlebioRxiv : the preprint server for biology2026
CRISPR activation screens identify core protein-dependent regulation of heparan sulfate sulfation and ligand specificity.
Article in bioRxiv : the preprint server for biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Heparan sulfate proteoglycans (HSPGs) are essential cell surface and extracellular matrix glycoconjugates that mediate diverse biological processes through interactions between their heparan sulfate (HS) chains and extracellular ligands. While HS sulfation patterning is known to dictate ligand specificity, how cells control HS assembly to regulate these interactions remains incompletely understood. To systematically identify genetic modifiers of HS-protein interactions, we performed genome-wide CRISPR activation (CRISPRa) screens in HEK293T cells using binding of antithrombin (AT), which selectively recognizes 3-
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