Technical Strengths
- Specific, total, and functional antibody measurement: Enzyme-Linked Immunosorbant Assay (ELISA), Neutralizing Antibodies (nAb), Hemagglutination Assay (HAI), Anti-Drug-Antibodies (ADA)
- Immune checkpoint characterization
- Cytokine measurement: ELISA, Enzyme-Linked Immuno Spot (ELISPOT), Multiplex (Cytometric Bead Array [CBA]), Meso Scale Discovery (MSD), Luminex, Intercellular Cytokine Staining (ICS)
- Tumor infiltrating lymphocytes (TIL) or organ resident cells
- Cell phenotyping
- Cell proliferation
- Delayed type hypersensitivity
- Opsono-phagocytosis
- Cell-mediated cytotoxicity
- Immunohistochemistry
- Viral load and bacterial load
- Cell infiltration and tissues
- Immunohistochemistry (IHC)
Cellular Immunology
ELISPOT/Flurospot
- Humoral response
- Detection of antibody secreting cells (ASC) — IgG/IgA
- Cell-mediated immune response
- Cytokines
- Cytotoxic T-cell response
Flow Cytometry (up to 18 colors)
Immunophenotyping
- Qualify the Populations Directly (Differential)
- In blood/Peripheral Blood Mononuclear Cells (PBMC)
- In lymphoid organ
- In spleen
- In biopsy or tumor resection (infiltrating cells)
Extracellular (Markers)
- B-cells/T-cells/Natural Killer (NK) cells
- Monocytic/Myeloid-derived suppressor cells (MDSC)
- Neutrophils/eosinophils/basophils
- Tumor associated macrophages
Status (Markers)
- Activation (CD44, CD25, CD69)
- Immune checkpoint (PD-1, CTLA-4, Tim-3, LAG-3, TIGIT, CD40L)
- Memory (CD44, CD62L, KLRG1, CD127, CCR7), (CD45RA, CD27, CD28, CCR7)
- Antigen specificity (tetramer)
Cell Functionality
Intracellular (Markers)
- Cytokine profile Th1/Th2/Th17 (IL-2, TNFa, IFNg, IL-13…)
- Treg (FoxP3)
- Tfh (Bcl-6, CXCR5, ICOS)
- Proliferation (KI-67)
- Cytotoxic (Granzyme B, Perforin, CD107a)
Intracellular (DNA)
- Proliferation (CFSE, BrdU)
- Apoptosis (Annexin-V)