Evidence map›Paper›PMID 32144747›Full record

ArticleBritish journal of pharmacology2020

Direct inhibition of the TLR4/MyD88 pathway by geniposide suppresses HIF-1α-independent VEGF expression and angiogenesis in hepatocellular carcinoma.

Cheng Zhang, Ning Wang, Hor-Yue Tan, Wei Guo, Feiyu Chen, Zhangfeng Zhong, Kwan Man, Sai Wah Tsao, Lixing Lao, Yibin Feng

Open access · hybridAbstract read
In one paragraph

Article in British journal of pharmacology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed
3.7field-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

47 citing papers in PubMed, 75 citations in OpenAlex.

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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

10 authors at 2 institutions in 1 country.

Cheng ZhangSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.
Ning WangSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.
Hor-Yue TanSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.
Wei GuoSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.
Feiyu ChenSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.
Zhangfeng ZhongSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.
Kwan ManDepartment of Surgery, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.ORCID 0000-0001-5663-6866
Sai Wah TsaoSchool of Biomedical Science, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.ORCID 0000-0003-1574-8022
Lixing LaoSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.
Yibin FengSchool of Chinese Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong S.A.R., China.
Chinese University of Hong Kong · HKUniversity of Hong Kong · HK

Funding

Commissioner for Innovation Technology, HKSAR ITS/091/16FXHealth and Medical Research Fund 15162961Health and Medical Research Fund 16172751Research Grant Council, HKSAR RGC GRF 17152116
6 · The paper itself

Abstract

background and purposeAs a typical hypervascular tumour, hepatocellular carcinoma (HCC) is predominantly grown through angiogenesis. Geniposide is a promising anti-inflammatory compound found in Gardenia jasminoides, but its effects on the progression of HCC remain untested. EXPERIMENTAL APPROACH: The anti-HCC effects of geniposide was investigated in cellular models and orthotopic HCC mice. Transcriptional regulation of the VEGF promoter was measured by dual-luciferase reporter assay. The anti-angiogenic action of geniposide was measured by tube formation assay. Both surface plasmon resonance techniques and human phospho-kinase array analysis were utilized to validate the relationship between targets of geniposide and hepatocarcinogenesis. KEY

resultsGeniposide exhibited significant disruption of HCC proliferation, invasion, angiogenesis and lung metastasis in orthotopic HCC mice. Geniposide inhibited secretion of VEGF by HCC and suppressed the migration of endothelial cells and the formation of intra-tumour blood vessels, without cytotoxicity and independently of the transcription factor HIF-1α. Direct inhibition of TLR4 by geniposide led to the shutdown of the TLR4/MyD88 pathway and STAT3/Sp1-dependent VEGF production. However, LPS, an agonist of TLR4, restored STAT3/Sp1-related VEGF production in geniposide-inhibited HCC angiogenesis. CONCLUSION AND IMPLICATIONS: The direct inhibitory effect of geniposide on TLR4/MyD88 activation contributes to the suppression of STAT3/Sp1-dependent VEGF overexpression in HCC angiogenesis and pulmonary metastasis. This action of geniposide was not affected by stabilization of HIF-1α. Our study offers a novel anti-VEGF mechanism for the inhibition of HCC.

Indexed as

Carcinoma, HepatocellularLiver NeoplasmsAnimalsCell Line, TumorEndothelial CellsHypoxia-Inducible Factor 1, alpha SubunitIridoidsMiceMyeloid Differentiation Factor 88Neovascularization, PathologicToll-Like Receptor 4Vascular Endothelial Growth Factor AgeniposideHypoxia-Inducible Factor 1, alpha SubunitIridoidsMyd88 protein, mouseMyeloid Differentiation Factor 88Tlr4 protein, mouseToll-Like Receptor 4Vascular Endothelial Growth Factor A

Identifiers

PMID32144747
PMCPMC7312435
OpenAlexW3009796018

What OpenQuestion holds

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LicenceCC BY
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.