Evidence map›Paper›PMID 31053471›Full record

ArticleMolecular cell2019

PD-L1 (B7-H1) Competes with the RNA Exosome to Regulate the DNA Damage Response and Can Be Targeted to Sensitize to Radiation or Chemotherapy.

Xinyi Tu, Bo Qin, Yong Zhang, Cheng Zhang, Mohamed Kahila, Somaira Nowsheen, Ping Yin, Jian Yuan, Huadong Pei, Hu Li and 9 more

Open access · bronzeAbstract read
In one paragraph

Article in Molecular cell, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 175 papers.

0numbers the graph read from it
0cells of the map it votes in
175citing papers in PubMed
10.0field-weighted citation impact, top 1% 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

175 citing papers in PubMed, 260 citations in OpenAlex.

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  13. Intracellular PD-L1: Functions, Regulation, and Therapeutic Implications.International journal of biological sciences · 2026
    Review
  14. Article
  15. Analysis of PD-L1 Transcriptional Activity by Chromatin Immunoprecipitation.Methods in molecular biology (Clifton, N.J.) · 2026
    Article
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  18. Article
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115 more citing papers are in PubMed but not listed here.

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

19 authors at 3 institutions in 1 country.

Xinyi TuDepartment of Radiation Oncology, Mayo Clinic, Rochester, MN 55905, USA; Department of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Bo QinDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Yong ZhangDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Cheng ZhangDepartment of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA.
Mohamed KahilaDepartment of Radiation Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Somaira NowsheenDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Ping YinDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Jian YuanDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Huadong PeiDepartment of Biochemistry and Molecular Medicine, George Washington University School of Medicine and Health Science, 2300 Eye Street, NW, Washington, DC 20037, USA.
Hu LiDepartment of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA.
Jia YuDepartment of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA.
Zhiwang SongDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Qin ZhouDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Fei ZhaoDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Jiaqi LiuDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Chao ZhangDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA.
Haidong DongDepartment of Urology, Mayo Clinic, Rochester, MN 55905, USA. Electronic address: dong.haidong@mayo.edu.
Robert W MutterDepartment of Radiation Oncology, Mayo Clinic, Rochester, MN 55905, USA. Electronic address: mutter.robert@mayo.edu.
Zhenkun LouDepartment of Oncology, Mayo Clinic, Rochester, MN 55905, USA; Department of Molecular Pharmacology and Experimental Therapeutics, Mayo Clinic, Rochester, MN 55905, USA. Electronic address: lou.zhenkun@mayo.edu.
Mayo Clinic · USMayo Clinic in Arizona · USGeorge Washington University · US

Funding

The Role of CHFR in Tumorigenesis and Paclitaxel-Sensitivity in Breast CancerP50CA116201 · NCI · MAYO CLINIC ROCHESTER · PI PETER C LUCAS · 2005 to 2026
$49.9M
Mayo Clinic Interdisciplinary Women's Health Research ProgramK12HD065987 · NICHD · MAYO CLINIC ROCHESTER · PI KANTARCI, KEJAL · 2010 to 2023
$6.7M
Functional B7-H1 expressed by T cellsR01AI095239 · NIAID · MAYO CLINIC ROCHESTER · PI DONG, HAIDONG · 2014 to 2018
$2.0M
Regulation of homologous recombination and cancer cell response to chemoradiotherapyR01CA203561 · NCI · MAYO CLINIC ROCHESTER · PI LOU, ZHENKUN · 2016 to 2020
$1.8M
Role of Bim and soluble B7-H1 in monitoring T cell responses to anti-PD-1 therapy in melanomaR21CA197878 · NCI · MAYO CLINIC ROCHESTER · PI DONG, HAIDONG, DRONCA, ROXANA S · 2015 to 2016
$374k
NCI NIH HHS P50 CA116201NCI NIH HHS R01 CA203561NCI NIH HHS R21 CA197878NIAID NIH HHS R01 AI095239NICHD NIH HHS K12 HD065987
6 · The paper itself

Abstract

Programmed death ligand 1 (PD-L1, also called B7-H1) is an immune checkpoint protein that inhibits immune function through its binding of the programmed cell death protein 1 (PD-1) receptor. Clinically approved antibodies block extracellular PD-1 and PD-L1 binding, yet the role of intracellular PD-L1 in cancer remains poorly understood. Here, we discovered that intracellular PD-L1 acts as an RNA binding protein that regulates the mRNA stability of NBS1, BRCA1, and other DNA damage-related genes. Through competition with the RNA exosome, intracellular PD-L1 protects targeted RNAs from degradation, thereby increasing cellular resistance to DNA damage. RNA immunoprecipitation and RNA-seq experiments demonstrated that PD-L1 regulates RNA stability genome-wide. Furthermore, we developed a PD-L1 antibody, H1A, which abrogates the interaction of PD-L1 with CMTM6, thereby promoting PD-L1 degradation. Intracellular PD-L1 may be a potential therapeutic target to enhance the efficacy of radiotherapy and chemotherapy in cancer through the inhibition of DNA damage response and repair.

Indexed as

DNA RepairGene Expression Regulation, NeoplasticAnimalsAntineoplastic AgentsB7-H1 AntigenBRCA1 ProteinCell Cycle ProteinsCell Line, TumorCisplatinDNA DamageDNA, NeoplasmExosome Multienzyme Ribonuclease ComplexGamma RaysHCT116 CellsHeLa CellsHumansAntineoplastic AgentsB7-H1 AntigenBRCA1 ProteinBRCA1 protein, humanCD274 protein, humanCell Cycle ProteinsCisplatinCMTM6 protein, humanDNA, NeoplasmExosome Multienzyme Ribonuclease ComplexMARVEL Domain-Containing ProteinsMembrane ProteinsMyelin ProteinsNBN protein, humanNuclear ProteinsPDCD1 protein, humanProgrammed Cell Death 1 ReceptorRNA, Small Interferinganti-B7-H1 antibodychemotherapyCMTM6DNA repairimmunotherapyPD-L1PD-L1 destabilizationradiotherapyRNA bindingRNA exosome

Identifiers

PMID31053471
PMCPMC6737939
OpenAlexW2942628631

What OpenQuestion holds

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Registered trials

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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.