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Article

Antagonism of secreted PCSK9 increases low density lipoprotein receptor expression in HepG2 cells.

The Journal of biological chemistry - 17 Apr 2009

McNutt Markey C, Kwon Hyock Joo, Chen Chiyuan, Chen Justin R, Horton Jay D, Lagace Thomas A

Abstract excerpt

PCSK9 is a secreted protein that degrades low density lipoprotein receptors (LDLRs) in liver by binding to the epidermal growth factor-like repeat A (EGF-A) domain of the LDLR. It is not known whether PCSK9 causes degradation of LDLRs within the secretory pathway or following secretion and reupta...

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Topics

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Share to Hypercholesterolemia
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Share to Proprotein Convertase 9

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Share to Protein Binding

Share to Receptors, LDL

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Source

Open in PubMed Open full text

Identifiers

PMID: 19224862
DOI: 10.1074/jbc.M808802200
PMCID: PMC2667743

Genes

PCSK9
LDLR
EGF

Variants

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 2 Sept 2026. Prepared record publication-19224862-2026-09-02.2. Manifest publication-graph-cohort-2026-09-02.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 2 Sept 2026.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

Antagonism of secreted PCSK9 increases low density lipoprotein receptor expression in HepG2 cells.PMID 19224862Read ↗

Degradation of LDLR protein mediated by 'gain of function' PCSK9 mutants in normal and ARH cells.Semantic proximity Read ↗

Secreted PCSK9 decreases the number of LDL receptors in hepatocytes and in livers of parabiotic mice.Semantic proximity Read ↗

The biology of PCSK9 from the endoplasmic reticulum to lysosomes: new and emerging therapeutics to control low-density lipoprotein cholesterol.Semantic proximity Read ↗

PCSK9: a key modulator of cardiovascular health.Semantic proximity Read ↗

Secreted PCSK9 promotes LDL receptor degradation independently of proteolytic activity.Semantic proximity Read ↗

Novel loss-of-function PCSK9 variant is associated with low plasma LDL cholesterol in a French-Canadian family and with impaired processing and secretion in cell culture.Semantic proximity Read ↗

Catalytic activity is not required for secreted PCSK9 to reduce low density lipoprotein receptors in HepG2 cells.Semantic proximity Read ↗

[PCSK9: Structure and function. PCSK9 and low-density lipoprotein receptor. Mutations and their effects].Semantic proximity Read ↗

Wild-type PCSK9 inhibits LDL clearance but does not affect apoB-containing lipoprotein production in mouse and cultured cells.Semantic proximity Read ↗

Internalized PCSK9 dissociates from recycling LDL receptors in PCSK9-resistant SV-589 fibroblasts.Semantic proximity Read ↗

Proprotein convertase subtilisin/kexin type 9 (PCSK9): lessons learned from patients with hypercholesterolemia.Semantic proximity Read ↗

Mutation S462P in the PCSK9 gene reduces secretion of mutant PCSK9 without affecting the autocatalytic cleavage.Semantic proximity Read ↗

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