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DOI: 10.3791/68124-v
Sachin S. Surwase*1,2,3, Xin Ming M. Zhou*3,4, Kathryn M. Luly1,2,3, Qingfeng Zhu5,6,7, Niki Talebian6, Robert A. Anders5,6,7,8,9, Jordan J. Green1,2,3,5,8,9,10,11,12, Stephany Y. Tzeng1,2,3, Joel C. Sunshine1,3,4,5,6,8,9
1Department of Biomedical Engineering,Johns Hopkins University, 2Translational Tissue Engineering Center,Johns Hopkins University, 3Johns Hopkins Translational ImmunoEngineering Center,Johns Hopkins University, 4Department of Dermatology,Johns Hopkins University, 5Department of Oncology,Johns Hopkins University, 6Department of Pathology,Johns Hopkins University, 7Convergence Institute,Sidney Kimmel Comprehensive Cancer Center Johns Hopkins University School of Medicine, 8Bloomberg Kimmel Institute for Cancer Immunotherapy, Sidney Kimmel Comprehensive Cancer Center,Johns Hopkins University School of Medicine, 9Sidney Kimmel Comprehensive Cancer Center,Johns Hopkins University School of Medicine, 10Institute for Nanobiotechnology,Johns Hopkins University, 11Departments of Neurosurgery and Ophthalmology,Johns Hopkins University School of Medicine, 12Departments of Materials Science & Engineering and Chemical & Biomolecular Engineering,Johns Hopkins University
Please note that some of the translations on this page are AI generated. Click here for the English version.
Este protocolo proporciona una guía paso a paso para diseñar un panel de anticuerpos de inmunofluorescencia multiplex para la obtención de imágenes basadas en códigos de barras de ADN de tejidos murinos de melanoma FFPE. También describimos una línea de análisis de imágenes que utiliza herramientas de código abierto para generar información proteómica espacial sobre el microambiente inmunológico del tumor de melanoma murino.
Presentamos un protocolo para desarrollar y validar un panel de inmunofluorescencia multiplex para estudiar tejidos FFPE de ratón y demostrar su utilidad mediante el estudio de muestras de un modelo de melanoma tratado con nanopartículas que administran ADN plasmático, codificando señales inmunológicas para reprogramar el microambiente tumoral. El campo carecía de protocolos de inmunofluorescencia multiplex rigurosamente desarrollados y validados compatibles con tejidos FFPE fijados en formol e incluidos en parafina de ratón.
La inclusión de parafina fijada en formol preserva la morfología del tejido a largo plazo, es fácil de manejar y almacenar, y permite la creación de micromatrices de tejido para ver múltiples muestras en un solo portaobjetos.
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