Fine needle aspirate flow cytometric phenotyping characterizes immunosuppressive nature of the mesothelioma microenvironment
With the emergence of checkpoint blockade and other immunotherapeutic drugs, and the growing adoption of smaller, more flexible adaptive clinical trial designs, there is an unmet need to develop diagnostics that can rapidly immunophenotype patient tumors. The ability to longitudinally profile the tumor immune infiltrate in response to immunotherapy also presents a window of opportunity to illuminate mechanisms of resistance. We have developed a fine needle aspirate biopsy (FNA) platform to perform immune profiling on thoracic malignancies. Matching peripheral blood, bulk resected tumor, and FNA were analyzed from 13 mesothelioma patients. FNA samples yielded greater numbers of viable cells when compared to core needle biopsies. Cell numbers were adequate to perform flow cytometric analyses on T cell lineage, T cell activation and inhibitory receptor expression, and myeloid immunosuppressive checkpoint markers. FNA samples were representative of the tumor as a whole as assessed by head-to-head comparison to single cell suspensions of dissociated whole tumor. Parallel analysis of matched patient blood enabled us to establish quality assurance criteria to determine the accuracy of FNA procedures to sample tumor tissue. FNA biopsies provide a diagnostic to rapidly phenotype the tumor immune microenvironment that may be of great relevance to clinical trials.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2016 |
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| Erschienen: |
2016 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:6 |
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| Enthalten in: |
Scientific reports - 6(2016) vom: 19. Aug., Seite 31745 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lizotte, Patrick H [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 09.05.2018 Date Revised 13.11.2018 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1038/srep31745 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM263567702 |
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| 520 | |a With the emergence of checkpoint blockade and other immunotherapeutic drugs, and the growing adoption of smaller, more flexible adaptive clinical trial designs, there is an unmet need to develop diagnostics that can rapidly immunophenotype patient tumors. The ability to longitudinally profile the tumor immune infiltrate in response to immunotherapy also presents a window of opportunity to illuminate mechanisms of resistance. We have developed a fine needle aspirate biopsy (FNA) platform to perform immune profiling on thoracic malignancies. Matching peripheral blood, bulk resected tumor, and FNA were analyzed from 13 mesothelioma patients. FNA samples yielded greater numbers of viable cells when compared to core needle biopsies. Cell numbers were adequate to perform flow cytometric analyses on T cell lineage, T cell activation and inhibitory receptor expression, and myeloid immunosuppressive checkpoint markers. FNA samples were representative of the tumor as a whole as assessed by head-to-head comparison to single cell suspensions of dissociated whole tumor. Parallel analysis of matched patient blood enabled us to establish quality assurance criteria to determine the accuracy of FNA procedures to sample tumor tissue. FNA biopsies provide a diagnostic to rapidly phenotype the tumor immune microenvironment that may be of great relevance to clinical trials | ||
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| 700 | 1 | |a Jones, Robert E |e verfasserin |4 aut | |
| 700 | 1 | |a Keogh, Lauren |e verfasserin |4 aut | |
| 700 | 1 | |a Ivanova, Elena |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Hongye |e verfasserin |4 aut | |
| 700 | 1 | |a Awad, Mark M |e verfasserin |4 aut | |
| 700 | 1 | |a Hammerman, Peter S |e verfasserin |4 aut | |
| 700 | 1 | |a Gill, Ritu R |e verfasserin |4 aut | |
| 700 | 1 | |a Richards, William G |e verfasserin |4 aut | |
| 700 | 1 | |a Barbie, David A |e verfasserin |4 aut | |
| 700 | 1 | |a Bass, Adam J |e verfasserin |4 aut | |
| 700 | 1 | |a Bueno, Raphael |e verfasserin |4 aut | |
| 700 | 1 | |a English, Jessie M |e verfasserin |4 aut | |
| 700 | 1 | |a Bittinger, Mark |e verfasserin |4 aut | |
| 700 | 1 | |a Wong, Kwok-Kin |e verfasserin |4 aut | |
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