Evidence map›Paper›PMID 34642245›Full record

ArticleJournal for immunotherapy of cancer2021

Single-cell sequencing reveals antitumor characteristics of intratumoral immune cells in old mice.

Cangang Zhang, Lei Lei, Xiaofeng Yang, Kaili Ma, Huiqiang Zheng, Yanhong Su, Anjun Jiao, Xin Wang, Haiyan Liu, Yujing Zou and 7 more

Open access · goldAbstract read
In one paragraph

Article in Journal for immunotherapy of cancer, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
3.8field-weighted citation impact, top 5% 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

28 citing papers in PubMed, 62 citations in OpenAlex.

  1. A Tumor-Boundary Niche Enriched for PD-1Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026
    Article
  2. Article
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  4. Review
  5. Article
  6. Ageing, immune fitness and cancer.Nature reviews. Cancer · 2025
    Review
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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

17 authors at 5 institutions in 2 countries.

Cangang Zhang *Department of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Lei Lei *Department of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Xiaofeng Yang *Department of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Kaili MaInstitute of Systems Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.
Huiqiang ZhengDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Yanhong SuDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Anjun JiaoDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Xin WangDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Haiyan LiuDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Yujing ZouDivision of Hematologic Malignancies and Cellular Therapy, Duke University Medical Center, Durham, North Carolina, USA.
Lin ShiDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Xiaobo ZhouDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Chenming SunDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Yuzhu HouDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.ORCID 0000-0001-8274-027X
Zhengtao XiaoDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China.
Lianjun ZhangInstitute of Systems Medicine, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China bj.zhang@mail.xjtu.edu.cn zlj@ism.cams.cn.
Baojun ZhangDepartment of Pathogenic Microbiology and Immunology, Xi'an Jiaotong University, Xi'an, China bj.zhang@mail.xjtu.edu.cn zlj@ism.cams.cn.ORCID 0000-0002-7786-4304
Xi'an Jiaotong University · CNMinistry of Education of the People's Republic of China · CNChinese Academy of Medical Sciences & Peking Union Medical College · CNDuke Medical Center · USXuzhou Medical College · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAging has long been thought to be a major risk factor for various types of cancers. However, accumulating evidence indicates increased resistance of old animals to tumor growth. An in-depth understanding of how old individuals defend against tumor invasion requires further investigations.

methodsWe revealed age-associated alterations in tumor-infiltrating immune cells between young and old mice using single-cell RNA and coupled T cell receptor (TCR) sequencing analysis. Multiple bioinformatics methods were adopted to analyze the characteristics of the transcriptome between two groups. To explore the impacts of young and old CD8

resultsWe found a higher proportion of cytotoxic CD8

conclusionsOur data revealed that a significantly higher proportion of effector immune cells in old mice defends against tumor progression, providing insights into understanding the altered kinetics of cancer development and the differential response to immunotherapeutic modulation in elderly patients.

Indexed as

AgingAnimalsFemaleImmunotherapyMiceNeoplasmsSequence Analysis, RNASingle-Cell AnalysisTumor MicroenvironmentCD8-positive T-lymphocytescellularimmunityimmunotherapylymphocytestumor-infiltratingtumor microenvironment

Identifiers

PMID34642245
PMCPMC8513495
OpenAlexW3207916505

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.