Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin Cancers

The advent of immune checkpoint therapy for metastatic skin cancer has greatly improved patient survival. However, most skin cancer patients are refractory to checkpoint therapy, and furthermore, the intra-immune cell signaling driving response to checkpoint therapy remains uncharacterized. When com...

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Main Authors: Emmanuel Dollinger, Daniel Bergman, Peijie Zhou, Scott X. Atwood, Qing Nie
Format: Article
Language:English
Published: MDPI AG 2020-10-01
Series:Cancers
Subjects:
Online Access:https://www.mdpi.com/2072-6694/12/10/2946
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author Emmanuel Dollinger
Daniel Bergman
Peijie Zhou
Scott X. Atwood
Qing Nie
author_facet Emmanuel Dollinger
Daniel Bergman
Peijie Zhou
Scott X. Atwood
Qing Nie
author_sort Emmanuel Dollinger
collection DOAJ
description The advent of immune checkpoint therapy for metastatic skin cancer has greatly improved patient survival. However, most skin cancer patients are refractory to checkpoint therapy, and furthermore, the intra-immune cell signaling driving response to checkpoint therapy remains uncharacterized. When comparing the immune transcriptome in the tumor microenvironment of melanoma and basal cell carcinoma (BCC), we found that the presence of memory B cells and macrophages negatively correlate in both cancers when stratifying patients by their response, with memory B cells more present in responders. Moreover, inhibitory immune signaling mostly decreases in melanoma responders and increases in BCC responders. We further explored the relationships between macrophages, B cells and response to checkpoint therapy by developing a stochastic differential equation model which qualitatively agrees with the data analysis. Our model predicts BCC to be more refractory to checkpoint therapy than melanoma and predicts the best qualitative ratio of memory B cells and macrophages for successful treatment.
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spelling doaj.art-29dadb2aa8254902a7f9f70062ddcc332023-11-20T16:48:33ZengMDPI AGCancers2072-66942020-10-011210294610.3390/cancers12102946Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin CancersEmmanuel Dollinger0Daniel Bergman1Peijie Zhou2Scott X. Atwood3Qing Nie4Department of Mathematics, University of California, Irvine, CA 92697, USADepartment of Mathematics, University of California, Irvine, CA 92697, USADepartment of Mathematics, University of California, Irvine, CA 92697, USADepartment of Developmental and Cell Biology, University of California, Irvine, CA 92697, USADepartment of Mathematics, University of California, Irvine, CA 92697, USAThe advent of immune checkpoint therapy for metastatic skin cancer has greatly improved patient survival. However, most skin cancer patients are refractory to checkpoint therapy, and furthermore, the intra-immune cell signaling driving response to checkpoint therapy remains uncharacterized. When comparing the immune transcriptome in the tumor microenvironment of melanoma and basal cell carcinoma (BCC), we found that the presence of memory B cells and macrophages negatively correlate in both cancers when stratifying patients by their response, with memory B cells more present in responders. Moreover, inhibitory immune signaling mostly decreases in melanoma responders and increases in BCC responders. We further explored the relationships between macrophages, B cells and response to checkpoint therapy by developing a stochastic differential equation model which qualitatively agrees with the data analysis. Our model predicts BCC to be more refractory to checkpoint therapy than melanoma and predicts the best qualitative ratio of memory B cells and macrophages for successful treatment.https://www.mdpi.com/2072-6694/12/10/2946immunotherapysingle-cell transcriptomicsbiomarkerscell–cell communicationmathematical oncology
spellingShingle Emmanuel Dollinger
Daniel Bergman
Peijie Zhou
Scott X. Atwood
Qing Nie
Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin Cancers
Cancers
immunotherapy
single-cell transcriptomics
biomarkers
cell–cell communication
mathematical oncology
title Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin Cancers
title_full Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin Cancers
title_fullStr Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin Cancers
title_full_unstemmed Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin Cancers
title_short Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin Cancers
title_sort divergent resistance mechanisms to immunotherapy explain responses in different skin cancers
topic immunotherapy
single-cell transcriptomics
biomarkers
cell–cell communication
mathematical oncology
url https://www.mdpi.com/2072-6694/12/10/2946
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AT danielbergman divergentresistancemechanismstoimmunotherapyexplainresponsesindifferentskincancers
AT peijiezhou divergentresistancemechanismstoimmunotherapyexplainresponsesindifferentskincancers
AT scottxatwood divergentresistancemechanismstoimmunotherapyexplainresponsesindifferentskincancers
AT qingnie divergentresistancemechanismstoimmunotherapyexplainresponsesindifferentskincancers