Evidence map›Paper›PMID 25296756›Full record

ArticleThe Journal of biological chemistry2014

Plasminogen kringle 5 induces endothelial cell apoptosis by triggering a voltage-dependent anion channel 1 (VDAC1) positive feedback loop.

Lei Li, Ya-Chao Yao, Xiao-Qiong Gu, Di Che, Cai-Qi Ma, Zhi-Yu Dai, Cen Li, Ti Zhou, Wei-Bin Cai, Zhong-Han Yang and 2 more

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
1.3field-weighted citation impact, top 21% 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

25 citing papers in PubMed, 46 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

12 authors at 4 institutions in 1 country.

Lei LiFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, the Department of Reproductive Medicine Center, Key Laboratory for Reproductive Medicine of Guangdong Province, Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Guangzhou 510150.
Ya-Chao Yaothe Laboratory Center of Guangdong NO.2 Provincial People's Hospital, Guangzhou 510317.
Xiao-Qiong Guthe Department of Laboratory, Guangzhou Women and Children's Medical Center, Guangzhou 510623.
Di CheFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080.
Cai-Qi MaFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080.
Zhi-Yu DaiFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080.
Cen LiFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080.
Ti ZhouFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080.
Wei-Bin CaiFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080.
Zhong-Han YangFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080.
Xia YangFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, the China Key Laboratory of Tropical Disease Control, Sun Yat-sen University, Ministry of Education, Guangzhou 510080, and yangxia@mail.sysu.edu.cn.
Guo-Quan GaoFrom the Department of Biochemistry, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou 510080, the Key Laboratory of Functional Molecules from Marine Microorganisms, Sun Yat-sen University, Department of Education of Guangdong Province, Guangzhou 510080, China gaogq@mail.sysu.edu.cn.
Sun Yat-sen University · CNGuangdong Provincial People's Hospital · CNGuangzhou Women and Children Medical Center · CNThird Affiliated Hospital of Guangzhou Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Human plasminogen kringle 5 (K5) is known to display its potent anti-angiogenesis effect through inducing endothelial cell (EC) apoptosis, and the voltage-dependent anion channel 1 (VDAC1) has been identified as a receptor of K5. However, the exact role and underlying mechanisms of VDAC1 in K5-induced EC apoptosis remain elusive. In the current study, we showed that K5 increased the protein level of VDAC1, which initiated the mitochondrial apoptosis pathway of ECs. Our findings also showed that K5 inhibited the ubiquitin-dependent degradation of VDAC1 by promoting the phosphorylation of VDAC1, possibly at Ser-12 and Thr-107. The phosphorylated VDAC1 was attenuated by the AKT agonist, glycogen synthase kinase (GSK) 3β inhibitor, and siRNA, suggesting that K5 increased VDAC1 phosphorylation via the AKT-GSK3β pathway. Furthermore, K5 promoted cell surface translocation of VDAC1, and binding between K5 and VDAC1 was observed on the plasma membrane. HKI protein blocked the impact of K5 on the AKT-GSK3β pathway by competitively inhibiting the interaction of K5 and cell surface VDAC1. Moreover, K5-induced EC apoptosis was suppressed by VDAC1 antibody. These data show for the first time that K5-induced EC apoptosis is mediated by the positive feedback loop of "VDAC1-AKT-GSK3β-VDAC1," which may provide new perspectives on the mechanisms of K5-induced apoptosis.

Indexed as

ApoptosisBlotting, WesternCaspasesCells, CulturedDose-Response Relationship, DrugFeedback, PhysiologicalGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaHEK293 CellsHumansHuman Umbilical Vein Endothelial CellsMitochondriaPeptide FragmentsPhosphorylationPlasminogenProtein BindingCaspasesGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaGSK3B protein, humanPeptide FragmentsPlasminogenplasminogen kringle 5Proto-Oncogene Proteins c-aktUbiquitinVDAC1 protein, humanVoltage-Dependent Anion Channel 1ApoptosisBaxCell BiologyCell SignalingCell Surface ReceptorCellular RegulationGlycogen Synthase Kinase 3 (GSK-3)Molecular Cell BiologyPhosphorylationPI 3-Kinase (PI3K)

Identifiers

PMID25296756
PMCPMC4239616
OpenAlexW1999356873

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.