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Interferon gamma (IFNG or IFN-γ) is a dimerized soluble cytokine that is the only member of the type II class of interferons. [5] The existence of this interferon, which early in its history was known as immune interferon, was described by E. F. Wheelock as a product of human leukocytes stimulated with phytohemagglutinin, and by others as a product of antigen-stimulated lymphocytes. [6]
Another function of interferons is to up-regulate major histocompatibility complex molecules, MHC I and MHC II, and increase immunoproteasome activity. All interferons significantly enhance the presentation of MHC I dependent antigens. Interferon gamma (IFN-gamma) also
Interleukin-18 (IL-18), also known as interferon-gamma inducing factor is a protein which in humans is encoded by the IL18 gene. [5] [6] The protein encoded by this gene is a proinflammatory cytokine. Many cell types, both hematopoietic cells and non-hematopoietic cells, have the potential to produce IL-18.
They include interleukin-1 (IL-1), IL-6, IL-12, and IL-18, tumor necrosis factor alpha (TNF-α), interferon gamma (IFNγ), and granulocyte-macrophage colony stimulating factor (GM-CSF) and play an important role in mediating the innate immune response. Inflammatory cytokines are predominantly produced by and involved in the upregulation of ...
IL-18 is known as a factor that induces the production of interferon gamma (IFN-γ). [29] It is a pro-inflammatory cytokine that shares similar biological effects to IL-12 and structural forms with the IL-1 family. Together with IL-12 it mediates cellular immunity. It binds to the IL-18Rα receptor.
CXCL10 is secreted by several cell types in response to IFN-γ.These cell types include monocytes, endothelial cells and fibroblasts. [5] CXCL10 has been attributed to several roles, such as chemoattraction for monocytes/macrophages, T cells, NK cells, and dendritic cells, promotion of T cell adhesion to endothelial cells, antitumor activity, and inhibition of bone marrow colony formation and ...
The mouse genome encodes 23 IRGs, several of which have been demonstrated to be widely expressed (liver, heart, spleen, intestine, thymus, lung, testis, kidney, brain, skin) in a number of cell types, [9] and are greatly up-regulated following exposure to the potent immune effector molecule interferon gamma, IFNγ. [10]
An interferon-stimulated gene (ISG) is a gene that can be expressed in response to stimulation by interferon. [ 1 ] [ 2 ] Interferons bind to receptors on the surface of a cell, initiating protein signaling pathways within the cell.