Evidence map›Paper›PMID 24363437›Full record

ArticleJournal of lipid research2014

Signaling regulates activity of DHCR24, the final enzyme in cholesterol synthesis.

Winnie Luu, Eser J Zerenturk, Ika Kristiana, Martin P Bucknall, Laura J Sharpe, Andrew J Brown

Open access · hybridAbstract read
In one paragraph

Article in Journal of lipid research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed, 1 pooled it
4.4field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

45 citing papers in PubMed, 1 synthesis or guideline pooled it, 70 citations in OpenAlex.

  1. Pooled it
  2. DHCR24Oncogene · 2026
    Article
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  12. Colonization withbioRxiv : the preprint server for biology · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

Winnie LuuSchool of Biotechnology and Biomolecular Sciences The University of New South Wales, Sydney, NSW 2052, Australia.
Eser J Zerenturk
Ika Kristiana
Martin P Bucknall
Laura J Sharpe
Andrew J Brown
UNSW Sydney · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The role of signaling in regulating cholesterol homeostasis is gradually becoming more widely recognized. Here, we explored how kinases and phosphorylation sites regulate the activity of the enzyme involved in the final step of cholesterol synthesis, 3β-hydroxysterol Δ24-reductase (DHCR24). Many factors are known to regulate DHCR24 transcriptionally, but little is known about its posttranslational regulation. We developed a system to specifically test human ectopic DHCR24 activity in a model cell-line (Chinese hamster ovary-7) using siRNA targeted only to hamster DHCR24, thus ensuring that all activity could be attributed to the human enzyme. We determined the effect of known phosphorylation sites and found that mutating certain residues (T110, Y299, and Y507) inhibited DHCR24 activity. In addition, inhibitors of protein kinase C ablated DHCR24 activity, although not through a known phosphorylation site. Our data indicate a novel mechanism whereby DHCR24 activity is regulated by signaling.

Indexed as

Signal TransductionAnimalsBinding SitesBlotting, WesternCHO CellsCholesterolCricetinaeCricetulusCyclic AMP-Dependent Protein KinasesDesmosterolGene ExpressionHumansIndolesIsoquinolinesMutationNerve Tissue ProteinsCholesterolCyclic AMP-Dependent Protein KinasesDesmosterolDHCR24 protein, humanIndolesIsoquinolinesN-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamideNerve Tissue ProteinsOxidoreductases Acting on CH-CH Group DonorsProtein Kinase CProtein Kinase InhibitorsProto-Oncogene Proteins c-aktRo 31-8220SulfonamidesTyrosine3β-hydroxysterol Δ24-reductasebisindolylmaleimide Idesmosterolgas chromatography-mass spectrometryphosphorylationprotein kinase Cregulation

Identifiers

PMID24363437
PMCPMC3934726
OpenAlexW2113137906

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.