Antigen Background The CD8 molecule is composed of two chains and has a molecular weight of 32 kD. It is found on a T cell subset of normal cytotoxic/suppressor cells which make up approximately 20-35% of human peripheral blood lymphocytes.The CD8 antigen is reported to be detected on natural killer cells, 80% of thymocytes, on a subpopulation of 30% of peripheral blood null cells and 15-30% of bone marrow cells. Disclaimer CD8 is recommended for...

1ml NCL-L-CD8-4B11

1ml NCL-L-CD8-4B11

0.5ml NCL-L-CD8-4B11

7ml CD8 Bond RTU Primary

It’s Time for TIME Alexander “Sandy” Borowsky Professor of Pathology and Laboratory Medicine Center for Immunology and Infectious Diseases Disclosures Bristol-Meyers Squibb/Celgene: Funded through Investigator Sponsored Research (ISR) program. Discovery proposal. Leica/Aperio: Funded to run the “Genesis” study for primary diagnosis from whole slide images. Honorarium for this presentation. Histolix: Slide-free histology (Levenson and Fereidouni). Pfizer: Pfizer Protocol A9001502, Treatment Resistance Following Therapies (TRANSLATE) site PI. Agenda: In contracting to join the “FLEX” registry. None of these has actually paid me, only funding for the research projects. Objectives • Introduction into the complexity of the TIME and the development of new cancer treatments though di...

Phenotyping Tumor Microenvironment Using DNA Barcoded Multiplex Technology Chifei Sun GSK IVIVTBIBCellular Biomarkers Collegeville, PA I have no conflict of interests with Leica Biosystems, Ultivue and Indica Labs. – All the materials used in this presentation are for educational purpose only. – The human biological samples were sourced ethically, and their research use was in accord with the terms of the informed consents under an IRB/EC approved protocol. Statement 9/25/2020 2 Understand the complexity of tumor microenvironment and its importance in drug development – Introduce the Ultivue DNA barcoding and exchange technology for multiplex immunofluorescence – Highlight the processes of image fusion, spatial analysis and colocalization of markers on individual cells Learnin...

Antigen BackgroundTIM-3 (T-cell Immunoglobulin and Mucin Domain-Containing 3, Hepatitis A Virus Cellular Receptor, HAVCR2). TIM-3 is a Type I transmembrane that can be expressed on both tumour and immune cells. It is expressed on multiple immune cells, including type 1 T helper (Th1) cells, Th17 and CD8+ T cells, Tumour Infiltrating Lymphocytes, regulatory T cells (Tregs) and innate immune cells.DisclaimerTIM-3 is recommended for the detection of...

Antigen BackgroundCTLA-4, T-cell co-receptor cytotoxic T-cell antigen-4 (CTLA-4, CD152) is a critical inhibitory regulator of T-cell immunity. CTLA-4 is expressed almost exclusively on CD4+ and CD8+ T-cells and is crucial in the maintenance of T-cell homeostasis. Expression is induced on activated T-cells, with marginal expression on resting cells. The role of CTLA-4 in regulation of T-cell activity in the tumour microenvironment indicates a pote...

Antigen Background The CD57 glycoprotein, also known as HNK-1, has a molecular weight of 110 kD. It is found on a subset of mononuclear cells with natural killer activity and on neuroectodermal cells expressing myelin-associated glycoprotein. Many cells which co-express CD57 and CD8 proteins are a subset of suppressor/cytotoxic T cells. These cells play a role in the rejection of grafts in acute graft versus host disease. The CD57 molecule is not...