Expression and Significance of Immune Checkpoints in Clear Cell Carcinoma of the Uterine Cervix

The purpose of this study was to investigate the expression levels of the immune checkpoint proteins, programmed cell death-ligand 1 (PD-L1), B7-H3, B7-H4, and V-domain Ig suppressor of T cell activation (VISTA), as well as the significance thereof, in clear cell carcinoma (CCC) of the cervix (a rar...

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Main Authors: Liju Zong, Qianqian Zhang, Yuncan Zhou, Yujia Kong, Shuangni Yu, Jie Chen, Youzhong Zhang, Yang Xiang
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Journal of Immunology Research
Online Access:http://dx.doi.org/10.1155/2020/1283632
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author Liju Zong
Qianqian Zhang
Yuncan Zhou
Yujia Kong
Shuangni Yu
Jie Chen
Youzhong Zhang
Yang Xiang
author_facet Liju Zong
Qianqian Zhang
Yuncan Zhou
Yujia Kong
Shuangni Yu
Jie Chen
Youzhong Zhang
Yang Xiang
author_sort Liju Zong
collection DOAJ
description The purpose of this study was to investigate the expression levels of the immune checkpoint proteins, programmed cell death-ligand 1 (PD-L1), B7-H3, B7-H4, and V-domain Ig suppressor of T cell activation (VISTA), as well as the significance thereof, in clear cell carcinoma (CCC) of the cervix (a rare histological subtype of cervical cancer). We also compared the expression statuses of these biomarkers in cervical CCCs with those in cervical squamous cell carcinomas (SCCs). We evaluated the expression of PD-L1, B7-H3, B7-H4, and VISTA in 50 cervical CCCs and 100 SCCs using immunohistochemical staining and investigated the associations between these markers, clinicopathologic features, and survival in patients with CCCs. Of the cervical CCC samples examined, 22%, 16%, 32%, and 34% were positive for PD-L1, B7-H3, B7-H4, and VISTA, respectively. Nineteen samples (38%) were negative for all 4 of these markers, whereas 31 (62%) expressed at least 1 marker. None of these markers was associated with the investigated clinicopathologic variables or patient survival. PD-L1, B7-H3, and VISTA were observed significantly more frequently in SCCs than in CCCs of the cervix. Our study confirmed the expression of immune checkpoint proteins in cervical CCCs and indicated their nonredundant and complementary roles. As such, our data suggest that monotherapeutic immune checkpoint blockade may not be sufficiently effective in patients with cervical CCC.
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issn 2314-8861
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spelling doaj-art-32828c0979654e77b686c968287195372025-02-03T01:04:37ZengWileyJournal of Immunology Research2314-88612314-71562020-01-01202010.1155/2020/12836321283632Expression and Significance of Immune Checkpoints in Clear Cell Carcinoma of the Uterine CervixLiju Zong0Qianqian Zhang1Yuncan Zhou2Yujia Kong3Shuangni Yu4Jie Chen5Youzhong Zhang6Yang Xiang7Department of Obstetrics and Gynaecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, ChinaDepartment of Obstetrics and Gynaecology, Qilu Hospital, Shandong University, Ji’nan 250012, ChinaDepartment of Obstetrics and Gynaecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, ChinaDepartment of Obstetrics and Gynaecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, ChinaDepartment of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, ChinaDepartment of Pathology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, ChinaDepartment of Obstetrics and Gynaecology, Qilu Hospital, Shandong University, Ji’nan 250012, ChinaDepartment of Obstetrics and Gynaecology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, ChinaThe purpose of this study was to investigate the expression levels of the immune checkpoint proteins, programmed cell death-ligand 1 (PD-L1), B7-H3, B7-H4, and V-domain Ig suppressor of T cell activation (VISTA), as well as the significance thereof, in clear cell carcinoma (CCC) of the cervix (a rare histological subtype of cervical cancer). We also compared the expression statuses of these biomarkers in cervical CCCs with those in cervical squamous cell carcinomas (SCCs). We evaluated the expression of PD-L1, B7-H3, B7-H4, and VISTA in 50 cervical CCCs and 100 SCCs using immunohistochemical staining and investigated the associations between these markers, clinicopathologic features, and survival in patients with CCCs. Of the cervical CCC samples examined, 22%, 16%, 32%, and 34% were positive for PD-L1, B7-H3, B7-H4, and VISTA, respectively. Nineteen samples (38%) were negative for all 4 of these markers, whereas 31 (62%) expressed at least 1 marker. None of these markers was associated with the investigated clinicopathologic variables or patient survival. PD-L1, B7-H3, and VISTA were observed significantly more frequently in SCCs than in CCCs of the cervix. Our study confirmed the expression of immune checkpoint proteins in cervical CCCs and indicated their nonredundant and complementary roles. As such, our data suggest that monotherapeutic immune checkpoint blockade may not be sufficiently effective in patients with cervical CCC.http://dx.doi.org/10.1155/2020/1283632
spellingShingle Liju Zong
Qianqian Zhang
Yuncan Zhou
Yujia Kong
Shuangni Yu
Jie Chen
Youzhong Zhang
Yang Xiang
Expression and Significance of Immune Checkpoints in Clear Cell Carcinoma of the Uterine Cervix
Journal of Immunology Research
title Expression and Significance of Immune Checkpoints in Clear Cell Carcinoma of the Uterine Cervix
title_full Expression and Significance of Immune Checkpoints in Clear Cell Carcinoma of the Uterine Cervix
title_fullStr Expression and Significance of Immune Checkpoints in Clear Cell Carcinoma of the Uterine Cervix
title_full_unstemmed Expression and Significance of Immune Checkpoints in Clear Cell Carcinoma of the Uterine Cervix
title_short Expression and Significance of Immune Checkpoints in Clear Cell Carcinoma of the Uterine Cervix
title_sort expression and significance of immune checkpoints in clear cell carcinoma of the uterine cervix
url http://dx.doi.org/10.1155/2020/1283632
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