For many pathologies such as cancer or neurological disorders, it has been found that Histone Deacetylase (HDAC) activity is disrupted, making them promising targets for drug development. Scientists need access to a broade range of products ( Active Enzyme, inhibitors/activators, Biochemical screening assays…), to simplify their research and identification of HDAC inhibitors.
Interleukin-17 (IL-17) is a family of 6 closely related cytokines, designated IL-17A-F, that play a central role in mediating inflammation, autoimmunity, and host defense. IL-17 is mainly secreted by a specific subset of T helper cells known as TH17 cells (for an overview see Fig 1). The IL-17 cytokines mediate their biological functions via surface receptors on target cells. IL-17A binds to IL-17 receptor A (IL-17RA), which stimulates the production of other pro-inflammatory cytokines including IL-6 and IL-8. IL-17A and its receptor play a pathogenic role in many inflammatory and autoimmune diseases such as rheumatoid arthritis. IL-17 signaling is also involved in mucosal immunity and host defense against extracellular bacterial and fungal infections (Staph, Candida, Pneumonia, etc.).
Trpytophan (trp) is an important and essential amino acid that has a variety of functions within the cell. In addition to being incorporated into the polypeptide chain of proteins, various catabolic pathways can produce a number of functional Trp derivatives. Trp is the biosynthetic precursor of the co-factor NAD, a number of antibiotics, and the neurotransmitters serotonin and melatonin.
The factors regulating the fate of Trp in the cell have yet to be fully elucidated, but likely involve specific enzymes that may vary in expression levels or with the cell type (Fig 1 – Shown is a depiction of two important tryptophan catabolic pathways and the enzymes that participate in the process).
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