Recent Advancements in the Mechanisms Underlying Resistance to PD-1/PD-L1 Blockade Immunotherapy

Release of immunoreactive negative regulatory factors such as immune checkpoint limits antitumor responses. PD-L1 as a significant immunosuppressive factor has been involved in resistance to therapies such as chemotherapy and target therapy in various cancers. Via interacting with PD-1, PD-L1 can re...

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Main Authors: Yu Yuan, Abdalla Adam, Chen Zhao, Honglei Chen
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Cancers
Subjects:
Online Access:https://www.mdpi.com/2072-6694/13/4/663
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author Yu Yuan
Abdalla Adam
Chen Zhao
Honglei Chen
author_facet Yu Yuan
Abdalla Adam
Chen Zhao
Honglei Chen
author_sort Yu Yuan
collection DOAJ
description Release of immunoreactive negative regulatory factors such as immune checkpoint limits antitumor responses. PD-L1 as a significant immunosuppressive factor has been involved in resistance to therapies such as chemotherapy and target therapy in various cancers. Via interacting with PD-1, PD-L1 can regulate other factors or lead to immune evasion of cancer cells. Besides, immune checkpoint blockade targeting PD-1/PD-L1 has promising therapeutic efficacy in the different tumors, but a significant percentage of patients cannot benefit from this therapy due to primary and acquired resistance during treatment. In this review, we described the utility of PD-L1 expression levels for predicting poor prognosis in some tumors and present evidence for a role of PD-L1 in resistance to therapies through PD-1/PD-L1 pathway and other correlating signaling pathways. Afterwards, we elaborate the key mechanisms underlying resistance to PD-1/PD-L1 blockade in cancer immunotherapy. Furthermore, promising combination of therapeutic strategies for patients resistant to PD-1/PD-L1 blockade therapy or other therapies associated with PD-L1 expression was also summarized.
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spelling doaj.art-4cd62c837f984fd0853920803698718d2023-12-03T12:45:18ZengMDPI AGCancers2072-66942021-02-0113466310.3390/cancers13040663Recent Advancements in the Mechanisms Underlying Resistance to PD-1/PD-L1 Blockade ImmunotherapyYu Yuan0Abdalla Adam1Chen Zhao2Honglei Chen3Department of Pathology and Hubei Province Key Laboratory of Allergy and Immune-Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, ChinaDepartment of Pathology and Hubei Province Key Laboratory of Allergy and Immune-Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, ChinaDepartment of Oncology, Renmin Hospital of Wuhan University, Wuhan 430060, ChinaDepartment of Pathology and Hubei Province Key Laboratory of Allergy and Immune-Related Diseases, School of Basic Medical Sciences, Wuhan University, Wuhan 430071, ChinaRelease of immunoreactive negative regulatory factors such as immune checkpoint limits antitumor responses. PD-L1 as a significant immunosuppressive factor has been involved in resistance to therapies such as chemotherapy and target therapy in various cancers. Via interacting with PD-1, PD-L1 can regulate other factors or lead to immune evasion of cancer cells. Besides, immune checkpoint blockade targeting PD-1/PD-L1 has promising therapeutic efficacy in the different tumors, but a significant percentage of patients cannot benefit from this therapy due to primary and acquired resistance during treatment. In this review, we described the utility of PD-L1 expression levels for predicting poor prognosis in some tumors and present evidence for a role of PD-L1 in resistance to therapies through PD-1/PD-L1 pathway and other correlating signaling pathways. Afterwards, we elaborate the key mechanisms underlying resistance to PD-1/PD-L1 blockade in cancer immunotherapy. Furthermore, promising combination of therapeutic strategies for patients resistant to PD-1/PD-L1 blockade therapy or other therapies associated with PD-L1 expression was also summarized.https://www.mdpi.com/2072-6694/13/4/663PD-L1resistanceimmune checkpointsimmunotherapy
spellingShingle Yu Yuan
Abdalla Adam
Chen Zhao
Honglei Chen
Recent Advancements in the Mechanisms Underlying Resistance to PD-1/PD-L1 Blockade Immunotherapy
Cancers
PD-L1
resistance
immune checkpoints
immunotherapy
title Recent Advancements in the Mechanisms Underlying Resistance to PD-1/PD-L1 Blockade Immunotherapy
title_full Recent Advancements in the Mechanisms Underlying Resistance to PD-1/PD-L1 Blockade Immunotherapy
title_fullStr Recent Advancements in the Mechanisms Underlying Resistance to PD-1/PD-L1 Blockade Immunotherapy
title_full_unstemmed Recent Advancements in the Mechanisms Underlying Resistance to PD-1/PD-L1 Blockade Immunotherapy
title_short Recent Advancements in the Mechanisms Underlying Resistance to PD-1/PD-L1 Blockade Immunotherapy
title_sort recent advancements in the mechanisms underlying resistance to pd 1 pd l1 blockade immunotherapy
topic PD-L1
resistance
immune checkpoints
immunotherapy
url https://www.mdpi.com/2072-6694/13/4/663
work_keys_str_mv AT yuyuan recentadvancementsinthemechanismsunderlyingresistancetopd1pdl1blockadeimmunotherapy
AT abdallaadam recentadvancementsinthemechanismsunderlyingresistancetopd1pdl1blockadeimmunotherapy
AT chenzhao recentadvancementsinthemechanismsunderlyingresistancetopd1pdl1blockadeimmunotherapy
AT hongleichen recentadvancementsinthemechanismsunderlyingresistancetopd1pdl1blockadeimmunotherapy