Immuno-oncology Reagents

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Immuno-oncology is a leader in the worldwide drug development pipeline and is at the forefront of cancer research. By giving the immune system tools to detect tumors and strengthening its ability to attack cancer cells, this treatment technique allows the body to prevent, control, and remove cancer.

From an immunity standpoint, tumor management by the organism goes through 7 stages as described by Mellman and Chen in the image below. All 7 stages of the cycle can be addressed with a range of therapeutic strategies to enhance the immune strategies already in place and support the immunity-driven elimination of tumor cells.

1289552 ILL Recolorrebrand IO intro image_Immuno-Oncology Tumor Management Introduction

To support immuno-oncology research, Revvity offers an extensive portfolio to cover various aspects of immunity and immune cells, with continuous additions to keep up with the latest trends and topics:

Large immuno-oncology cell-based assay portfolio encompassing Innate Immunity (Toll-Like Receptors, STING Axis, Inflammasomes), Natural Killers, Adaptive Immunity (T-cells and CAR-T Therapies, B-cells), Immune Checkpoints, Immunosuppression, and other immune pathways
Homogeneous easy-to-use immunoassay kits providing fast and accurate results utilizing AlphaLISA^™ and HTRF^® assay platforms for detection of proteins, biomarkers & cytokines
Ready-to-use assays to monitor cell toxicity and proliferation, including luminescence-based ATPlite^™ and DELFIA^® cell cytotoxicity reagents for ADCC measurements

Revvity also offers a vast content library, from educational guides and white papers to review the basics of the field and update your knowledge on the current state of research, to in-depth technical and application notes for facilitating your research every step of the way. Explore the immense potential of immuno-oncology drug discovery research with our help and our immuno-oncology research solutions!

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Innate immunity

Innate immunity is a collection of non-specific tactics and defenses that can be activated immediately or within a short period of time in response to the presence of antigen. These tactics involve a vast number of receptors (TLRs) and sensors (STING axis and inflammasomes) that trigger inflammatory signals and antigen clearance at the cellular level.

Most nonspecific immune cells, such as dendritic cells, macrophages, neutrophils, natural killer cells, and mastocytes, share these receptors and sensors:

Toll-like receptors

TLRs are pattern recognition receptors (PRRs) that bind to ligands that are particular to microorganisms, such as lipids and proteins from bacterial walls or double-stranded RNA. Humans have ten different types, which are expressed on the cell surface (Types 1, 2, 4, 5, 6, and 10) or in intracellular vesicles (3, 7, 8, and 9).

They're employed and researched as active immuno-oncology therapies, as well as infectious and inflammatory illness treatments. Small compounds are used in these therapies to activate or block distinct TLRs and modify the immune response.

Discover our ready-to-use immuno-oncology reagents for monitoring TCR signaling transcription factors, phosphoproteins, and kinases:

STING axis

Stimulator of Interferon Genes (STING) is a cytoplasmic protein that works with the cytoplasmic DNA sensor cGAS to detect floating dsDNA from pathogens or shrinking mitochondria and begin a signal transduction pathway including TBK1, IRF3, and NF-kB to stimulate the release of pro-inflammatory mediators and type 1 interferons (TNF-α, IFN-α, IFN-β).

Tumor-derived DNA fragments have been proven in immuno-oncology to trigger anti-tumor immune responses via the STING pathway and activating it has shown promising anti-tumor benefits in preclinical animals. It's also been studied extensively in the context of autoimmune inflammation, as nucleic acid self-antigens are suspected to cause disorders like lupus and psoriasis.

We’ve developed a panel of high-quality assays to identify those pro-inflammatory signal transduction pathways, as well as the resulting transcription factors and STING activity products:

Inflammasomes

Inflammasomes are cytosolic complexes that stimulate the extracellular production of the pro-inflammatory alarm protein HMGB1 and enable the fast activation of cytokines IL-1β and IL-18 from their precursors pro-IL1β and pro-IL18.

They are formed by identical ASC specks that are made up of an upstream sensor protein (NLRP, NLRC, or AIM2) that is coupled to a downstream effector pro-caspase-1 by the adaptor protein ASC. When their sensor proteins bind, this structure allows them to assemble into wheel-like complexes.

Explore our immuno-oncology research tools that target distinct stages of inflammasome activity and end results in order to monitor and better understand these complexes.

Natural killers

Natural killer (NK) cells are a type of lymphoid cell that can attack and lyse a wide range of tumorous, diseased, or injured cells in a non-specific manner without being activated. They also serve as sentinels, alerting adaptive immunity with inflammatory cytokines and detecting degraded cells early on. Due to these qualities, they are crucial early responders to tumor formation.

They are known to target and destroy cells using a group of activating and inhibitory receptors that direct their decision-making process by binding substances expressed on the surface of tumorous or infected cells and MHC I or inhibitory ligands, respectively. They are a prospective research axis that requires a deeper knowledge of their receptor and signaling cascades because of their non-specific lytic characteristics.

Immune checkpoints

Immune checkpoint blockage is a promising way to trigger therapeutic anti-tumor immunity. Tumors co-opt some immune-checkpoint pathways as a significant mechanism of immunological resistance, especially against T cells that are specific for tumor antigens. Because many immunological checkpoints are triggered by ligand–receptor interactions, antibodies can easily inhibit them, or recombinant variants of ligands or receptors can regulate them.

Immunosuppression

Immunosuppression is a term that describes the mechanisms that might reduce or stop the immune response. It's notably crucial in preventing inflammatory signals and killer cell activities from becoming hazardous to the organism after an antigenic threat has been resolved. Regulatory T-cells are usually in charge of immunosuppressive techniques, but other cell types, such as type 2 macrophages, can also inhibit the immune system by secreting TGF-β.

Finding strategies to monitor and reduce immunosuppression in immuno-oncology research could lead to medicines that increase the immune response and empower the immune system to fight tumors by eliminating or altering the brakes that keep it in check.

Our portfolio was created to map the primary immunosuppressive techniques employed by regulatory T-cells, such as the release of anti-inflammatory IL-10, the production of immunosuppressive adenosine, immunological checkpoint-driven inhibition, and TGF-β expression.

Other immune pathways

Other inflammatory pathways are relevant to immuno-oncology research because they provide insight into cell-to-cell signaling, inflammation, and proliferation, in addition to the usual major cell types and signaling pathways that characterize immuno-oncology. Revvity focused on a few of these pathways in order to create more comprehensive and polyvalent solutions. Among them are the P13K/AKT/mTOR axis and the MAPK pathway, which are both involved in cell survival and proliferation and are frequently deregulated in cancer, as well as the NF-kB and JAK/STAT axis, which are involved in cellular inflammation.

Cytokines for cancer research

Cytokines are a collective group of small signaling proteins that offer a window into the regulation of immune and inflammatory responses of the body, providing vital information for furthering oncology research. Cytokines can be classified as pro-inflammatory or anti-inflammatory. Pro-inflammatory cytokines (e.g. IL-1, IL-2, IL-12, IL-17, IL-18, IFN-γ, and TNF-α) play a critical role in regulating the immune system and coordinating cell-mediated immune responses.

Pro-inflammatory cytokines govern immune cell proliferation, activation, differentiation, and homing to infection sites with the goal of controlling and eradicating intracellular pathogens such as viruses. Anti-inflammatory cytokines (e.g. IL-4, IL-10, IL-11, and IL-13) control the pro-inflammatory cytokine response and can counter-regulate production and function of pro-inflammatory cytokines at multiple levels.

Involved in both innate and adaptive immune pathways, and secreted by both host and malignant cells within the tumor microenvironment, cytokines play a complex role in the progression of disease and in the development and efficacy of immunotherapies. Several cytokines are known to limit tumor cell growth by a direct anti-proliferative or pro-apoptotic activity, or indirectly by stimulating the cytotoxic activity of immune cells against tumor cells. Pro-inflammatory cytokines can contribute to cancer immunotherapy, acting on every phase of the cancer immunity cycle. Utilizing cytokines for the development of monotherapies and immunotherapies is a key strategy in the immuno-oncology space.

Explore our comprehensive portfolio of homogeneous cytokine assays for the detection and quantification of interleukins, chemokines, interferons, lymphokines and growth factors.

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