Evidence map›Paper›PMID 36341395›Full record

ArticleFrontiers in immunology2022

Sex difference in the expression of PD-1 of non-small cell lung cancer.

Yong Gu, Ying Y Tang, Jian X Wan, Jian Y Zou, Chuan G Lu, Hao S Zhu, Si Y Sheng, Yan F Wang, Hai Ch Liu, Jia Yang and 1 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in immunology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
3.7field-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

23 citing papers in PubMed, 35 citations in OpenAlex.

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  8. Combined Immune Checkpoint Blockade and HelixorInternational journal of molecular sciences · 2025
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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

11 authors at 3 institutions in 1 country.

Yong GuDepartment of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Ying Y TangKey Laboratory of Tropical Disease Control of Sun Yat-Sen University, Ministry of Education, The Institute of Immunology of Zhong Shan Medical School, Sun Yat-Sen University, Guangzhou, China.
Jian X WanDepartment of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Jian Y ZouDepartment of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Chuan G LuDepartment of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Hao S ZhuDepartment of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Si Y ShengKey Laboratory of Tropical Disease Control of Sun Yat-Sen University, Ministry of Education, The Institute of Immunology of Zhong Shan Medical School, Sun Yat-Sen University, Guangzhou, China.
Yan F WangDepartment of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Hai Ch LiuKey Laboratory of Tropical Disease Control of Sun Yat-Sen University, Ministry of Education, The Institute of Immunology of Zhong Shan Medical School, Sun Yat-Sen University, Guangzhou, China.
Jia YangDepartment of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-Sen University, Guangzhou, China.
Hai HongKey Laboratory of Tropical Disease Control of Sun Yat-Sen University, Ministry of Education, The Institute of Immunology of Zhong Shan Medical School, Sun Yat-Sen University, Guangzhou, China.
Sun Yat-sen University · CNThe First Affiliated Hospital, Sun Yat-sen University · CNXiangnan University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Evidence increasingly indicated that lung cancer incidence in female individuals continue to rise, and women have a higher risk to develop adenocarcinoma than men. Male and female individuals differ in their innate and adaptive immune responses, and there are sex differences in response to the PD-1/PD-L1-dependent blocking immunotherapy. Whether the differential expression of PD-1 between genders affect the response to blocking treatment is currently unknown. In this study, we examined sex differences in serum sPD-1, mPD-1 expression on T cells, and sex hormone levels in non-small cell lung cancer (NSCLC) patients. Our results revealed a higher level of sPD-1 and expression of PD-1 on CD4+T cell in female patients than in male patients; we identified that serum sPD-1 level and the expression of mPD-1 on T cells were significantly reduced in NSCLC; we also found that serum testosterone level increased in female patients compared with control subjects and that increased testosterone downregulated the expression of mPD-1 on T cell. These findings provide a better understanding of the differences in PD-1 expression between genders in NSCLC patients and the effect of sex hormones on PD-1 expression and supply evidence for early lung cancer diagnosis and responsiveness to immune checkpoint inhibitors.

Indexed as

Carcinoma, Non-Small-Cell LungLung NeoplasmsFemaleHumansMaleProgrammed Cell Death 1 ReceptorSex CharacteristicsTestosteroneProgrammed Cell Death 1 ReceptorTestosteroneimmunotherapymembrane PD-1 expressionNSCLCsex differencesoluble PD-1

Identifiers

PMID36341395
PMCPMC9632486
OpenAlexW4306942766

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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.