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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Immunoscore in 3D tissue
 Novák, Jaromír ; Drbal, Karel (advisor) ; Procházka, Jan (referee)
Solid tumors are complex structures comprising besides the cancer cells vasculature, extracellular matrix (ECM), soluble molecules and a plethora of various other cell types. These components form a so-called tumour microenvironment. From the numerous cell types that are part of tumor microenvironment, tumor infiltrating lymphocytes (TILs) play a major role in patient prognosis. Their presence is also of major importance with regard to new biological therapies based on immune checkpoint inhibitors. Crucial role of TILs is also reflected by the new approaches in cancer diagnostics namely by Immunoscore method (currently used in clinical settings). Immunoscore is based on localization and quantification of CD3+ and CD8+ TILs in thin histological sections of tumor tissue. The question remains to which extent the information obtained from 2D slices reflects the situation in tumor microenvironment considering its spatial heterogeneity. The development of new methodological approaches allowing evaluation of histological information in 3D is the key to answer this question. The theoretical part of this work first describes the heterogeneity of the tumor microenvironment and the role of immune cells within it. Then, the role of spatial heterogeneity and its possible influence on the histopathological...
Detailed record
Immunoscore in 3D tissue
 Novák, Jaromír ; Drbal, Karel (advisor) ; Procházka, Jan (referee)
Solid tumors are complex structures comprising besides the cancer cells vasculature, extracellular matrix (ECM), soluble molecules and a plethora of various other cell types. These components form a so-called tumour microenvironment. From the numerous cell types that are part of tumor microenvironment, tumor infiltrating lymphocytes (TILs) play a major role in patient prognosis. Their presence is also of major importance with regard to new biological therapies based on immune checkpoint inhibitors. Crucial role of TILs is also reflected by the new approaches in cancer diagnostics namely by Immunoscore method (currently used in clinical settings). Immunoscore is based on localization and quantification of CD3+ and CD8+ TILs in thin histological sections of tumor tissue. The question remains to which extent the information obtained from 2D slices reflects the situation in tumor microenvironment considering its spatial heterogeneity. The development of new methodological approaches allowing evaluation of histological information in 3D is the key to answer this question. The theoretical part of this work first describes the heterogeneity of the tumor microenvironment and the role of immune cells within it. Then, the role of spatial heterogeneity and its possible influence on the histopathological...
Detailed record

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