Intratumoral Monocyte Transfer to Examine Monocyte Differentiation in the Tumor Microenvironment

Summary: The regulation of monocyte differentiation in the tumor microenvironment is of significant interest to tumor immunologists. Monocytes injected into the circulation may not track into tumors in sufficient numbers, making intratumoral injections a preferred experimental approach. Monocyte enr...

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Main Authors: Samir Devalaraja, Malay Haldar
Format: Article
Language:English
Published: Elsevier 2020-12-01
Series:STAR Protocols
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666166720301751
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author Samir Devalaraja
Malay Haldar
author_facet Samir Devalaraja
Malay Haldar
author_sort Samir Devalaraja
collection DOAJ
description Summary: The regulation of monocyte differentiation in the tumor microenvironment is of significant interest to tumor immunologists. Monocytes injected into the circulation may not track into tumors in sufficient numbers, making intratumoral injections a preferred experimental approach. Monocyte enrichment with antibody-based positive selection may activate downstream signaling, while cell sorters expose monocytes to mechanical stress. Here, we describe an approach of intratumoral monocyte transfer that circumvents these limitations by using negative selection and fluorescent reporter mice.For complete details on the use and execution of this protocol, please refer to Devalaraja et al. (2020).
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spelling doaj.art-db40009b60074dd38239f69e3f8019782022-12-21T22:31:06ZengElsevierSTAR Protocols2666-16672020-12-0113100188Intratumoral Monocyte Transfer to Examine Monocyte Differentiation in the Tumor MicroenvironmentSamir Devalaraja0Malay Haldar1Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USADepartment of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Corresponding authorSummary: The regulation of monocyte differentiation in the tumor microenvironment is of significant interest to tumor immunologists. Monocytes injected into the circulation may not track into tumors in sufficient numbers, making intratumoral injections a preferred experimental approach. Monocyte enrichment with antibody-based positive selection may activate downstream signaling, while cell sorters expose monocytes to mechanical stress. Here, we describe an approach of intratumoral monocyte transfer that circumvents these limitations by using negative selection and fluorescent reporter mice.For complete details on the use and execution of this protocol, please refer to Devalaraja et al. (2020).http://www.sciencedirect.com/science/article/pii/S2666166720301751Cell isolationFlow Cytometry/Mass CytometryCancerImmunology
spellingShingle Samir Devalaraja
Malay Haldar
Intratumoral Monocyte Transfer to Examine Monocyte Differentiation in the Tumor Microenvironment
STAR Protocols
Cell isolation
Flow Cytometry/Mass Cytometry
Cancer
Immunology
title Intratumoral Monocyte Transfer to Examine Monocyte Differentiation in the Tumor Microenvironment
title_full Intratumoral Monocyte Transfer to Examine Monocyte Differentiation in the Tumor Microenvironment
title_fullStr Intratumoral Monocyte Transfer to Examine Monocyte Differentiation in the Tumor Microenvironment
title_full_unstemmed Intratumoral Monocyte Transfer to Examine Monocyte Differentiation in the Tumor Microenvironment
title_short Intratumoral Monocyte Transfer to Examine Monocyte Differentiation in the Tumor Microenvironment
title_sort intratumoral monocyte transfer to examine monocyte differentiation in the tumor microenvironment
topic Cell isolation
Flow Cytometry/Mass Cytometry
Cancer
Immunology
url http://www.sciencedirect.com/science/article/pii/S2666166720301751
work_keys_str_mv AT samirdevalaraja intratumoralmonocytetransfertoexaminemonocytedifferentiationinthetumormicroenvironment
AT malayhaldar intratumoralmonocytetransfertoexaminemonocytedifferentiationinthetumormicroenvironment