Evidence map›Paper›PMID 24933607›Full record

ArticleJournal of natural products2014

Tyrosinase inhibitory activity of a glucosylated hydroxystilbene in mouse melan-a melanocytes.

Florence Wing-Ki Cheung, Albert Wing-Nang Leung, Wing Keung Liu, Chun-Tao Che

Abstract read
In one paragraph

Article in Journal of natural products, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

11 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Processing ofFrontiers in pharmacology · 2024
    Article
  4. Article
  5. Article
  6. Transformation of Stilbene Glucosides FromFrontiers in pharmacology · 2022
    Article
  7. Article
  8. Article
  9. Article
  10. Evaluation of the Novel Synthetic Tyrosinase Inhibitor (Molecules (Basel, Switzerland) · 2018
    Article
  11. Article
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

4 authors.

Florence Wing-Ki CheungSchool of Biomedical Sciences, The Chinese University of Hong Kong , Shatin, Hong Kong.
Albert Wing-Nang Leung
Wing Keung Liu
Chun-Tao Che

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

2,3,5,4'-Tetrahydroxystilbene-2-O-β-D-glucopyranoside (1), isolated from Polygonum multiflorum, is a noncompetitive inhibitor of tyrosinase in cell-free kinetics; it reduced the Vmax values in a dose-dependent manner. Compound 1 inhibited PKA-induced melanogenesis, reduced the protein expression of tyrosinase and its transcription factor, the microphthalmia-associated transcription factor, and lowered the complex formation between tyrosinase and tyrosinase-related protein 1 (TRP-1). Immunofluorescence microscopy revealed no association of tyrosinase with the endoplasmic reticulum or lysosomes, implying the absence of a direct effect of 1 on the maturation process of the enzyme. The antimelanogenic activity of 1 is likely mediated through a noncompetitive inhibition on tyrosinase, down-regulation of the expression of melanogenic proteins, and reduction of tyrosinase/TRP-1 complex formation.

Indexed as

AnimalsGlucosidesMelaninsMembrane GlycoproteinsMiceMicroscopy, FluorescenceMolecular StructureMonophenol MonooxygenaseOxidoreductasesStilbenes2,3,5,4'-tetrahydroxystilbene-2-O-beta-D-glucopyranosideGlucosidesMelaninsMembrane GlycoproteinsMonophenol MonooxygenaseOxidoreductasesStilbenesTYRP1 protein, human

Identifiers

PMID24933607
PMCPMC4076036

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.