Evidence map›Paper›PMID 38783271›Full record

ArticleBMC cancer2024

PD-L1 knockdown suppresses vasculogenic mimicry of non-small cell lung cancer by modulating ZEB1-triggered EMT.

Wenjuan Li, Jiatao Wu, Qianhao Jia, Yuqi Shi, Fan Li, Linxiang Zhang, Fan Shi, Xiaojing Wang, Shiwu Wu

Abstract read
In one paragraph

Article in BMC cancer, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 1 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

8 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Review
  4. Article
  5. Review
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  7. Article
  8. Review
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

9 authors.

Wenjuan Li *Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital, Bengbu Medical University, 287 Changhuai Road, Bengbu, Anhui, 233004, China.
Jiatao Wu *Anhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital, Bengbu Medical University, 287 Changhuai Road, Bengbu, Anhui, 233004, China.
Qianhao Jia *Department of Pathology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, People's Republic of China.
Yuqi ShiDepartment of Pathology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, People's Republic of China.
Fan LiAnhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital, Bengbu Medical University, 287 Changhuai Road, Bengbu, Anhui, 233004, China.
Linxiang ZhangAnhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital, Bengbu Medical University, 287 Changhuai Road, Bengbu, Anhui, 233004, China.
Fan ShiDepartment of Pathology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, People's Republic of China.
Xiaojing WangAnhui Province Key Laboratory of Clinical and Preclinical Research in Respiratory Disease, Molecular Diagnosis Center, First Affiliated Hospital, Bengbu Medical University, 287 Changhuai Road, Bengbu, Anhui, 233004, China. wangxiaojing8888@163.com.
Shiwu WuDepartment of Pathology, The First Affiliated Hospital of Bengbu Medical University, Bengbu, People's Republic of China. wushiwu@bbmc.edu.cn.

Funding

Bengbu Medical University Natural Science Key Project 2023byzd084National Natural Science Foundation of China 82373329The Key Project of the Education Department in Anhui Province KJ2021A0725
6 · The paper itself

Abstract

backgroundPD-L1 overexpression is commonly observed in various malignancies and is strongly correlated with poor prognoses for cancer patients. Moreover, PD-L1 has been shown to play a significant role in promoting angiogenesis and epithelial-mesenchymal transition (EMT) processes across different cancer types.

methodsThe relationship between PD-L1 and vasculogenic mimicry as well as epithelial-mesenchymal transition (EMT) was explored by bioinformatics approach and immunohistochemistry. The functions of PD-L1 in regulating the expression of ZEB1 and the EMT process were assessed by Western blotting and q-PCR assays. The impact of PD-L1 on the migratory and proliferative capabilities of A549 and H1299 cells was evaluated through wound healing, cell invasion, and CCK8 assays following siRNA-mediated PD-L1 knockdown. Tube formation assay was utilized to evaluate the presence of VM structures.

resultsIn this study, increased PD-L1 expression was observed in A549 and H1299 cells compared to normal lung epithelial cells. Immunohistochemical analysis revealed a higher prevalence of VM structures in the PD-L1-positive group compared to the PD-L1-negative group. Additionally, high PD-L1 expression was also found to be significantly associated with advanced TNM stage and increased metastasis. Following PD-L1 knockdown, NSCLC cells exhibited a notable reduction in their ability to form tube-like structures. Moreover, the levels of key EMT and VM-related markers, including N-cadherin, MMP9, VE-cadherin, and VEGFA, were significantly decreased, while E-cadherin expression was upregulated. In addition, the migration and proliferation capacities of both cell lines were significantly inhibited after PD-L1 or ZEB1 knockdown.

conclusionsKnockdown PD-L1 can inhibit ZEB1-mediated EMT, thereby hindering the formation of VM in NSCLC.

Indexed as

B7-H1 AntigenCarcinoma, Non-Small-Cell LungCell MovementCell ProliferationEpithelial-Mesenchymal TransitionGene Knockdown TechniquesLung NeoplasmsNeovascularization, PathologicZinc Finger E-box-Binding Homeobox 1A549 CellsCell Line, TumorFemaleGene Expression Regulation, NeoplasticHumansMaleMiddle AgedB7-H1 AntigenCD274 protein, humanZEB1 protein, humanZinc Finger E-box-Binding Homeobox 1Epithelial-to-mesenchymal transitionNon-small cell lung cancerPD-L1Vasculogenic mimicryZEB1

Identifiers

PMID38783271
PMCPMC11118770

What Socratic holds

Textmetadata
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 Socratic graph.