Today’s post is written by Michael Curtin, Senior Product Manager, Reporters and Signaling.
Inflammation is a defense mechanism that the body employs in which the immune system recognizes and removes harmful and foreign stimuli and begins the healing process. Inflammation can be either acute or chronic. Chronic inflammation is also referred to as slow, long-term inflammation and can last for prolonged periods (several months to years); chronic inflammation is caused by immune dysregulation. This typically takes the form of the body’s inability to resolve inflammation resulting from overproduction of inflammatory cytokines and chemokines, as well as danger-associated molecular patterns (DAMPs) released from dying cells (2). Tumor Necrosis Factor (TNF) is the primary cytokine involved in many common inflammatory diseases and is where many therapies targeting inflammation are focused.
Recent research that RIP kinases (RIPK1 and RIPK3) are important regulators of innate immunity via their key roles in cell death signaling during cellular stress and following exposure to inflammatory and infectious stimuli. RIPK1 has an important scaffolding role in pro-inflammatory signaling where it interacts with TRADD, TRAF1 TRAF2, and TRAF3 and TRADD can act as an adaptor protein to recruit RIPK1 to the TNFR1 complex in a TNF-dependent process. RIPK1 plays a kinase activity-dependent role in both apoptotic and necroptotic cell death. A review article by Speir et al. (1) discusses the role of RIP kinases in chronic inflammation and the potential of RIPK1 inhibitors as a new therapeutic approach for the treatment of chronic inflammation. RIPK1 or Receptor Interacting Protein Kinase 1 is a serine/threonine kinase that was originally identified as interacting with the cytoplasmic domain of FAS. Promega offers several reagents that make studying RIPK1 easier- these include our RIPK1 Kinase Enzyme Systems which includes RIPK1 (Human, recombinant; amino acids 1-327), myelin basic protein (MBP) substrate, reaction buffer, MnCl2, and DTT and is optimized for use with our ADP-Glo Kinase Assay.
The Dana-Farber Targeted Protein Degradation Webinar Series discusses new discoveries and modalities in protein degradation.
In this webinar, Senior Research Scientist, Dr. Danette Daniels, focuses primarily on proteolysis-targeting chimeras, or PROTACs. A variety of topics are covered including the design, potency, and efficacy of PROTACs in targeted protein degradation. Watch the video below to learn more about how PROTACs are shifting perspectives through fascinating research and discoveries in targeted protein degradation.
Learn more about targeted protein degradation and PROTACS here.
Now that Promega is expanding its offerings of options for examining live-cell protein interactions or quantitation at endogenous protein expression levels, we in Technical Services are getting the question about which option is better. The answer is, as with many assays… it depends! First let’s talk about what are the NanoBiT and NanoBRET technologies, and then we will provide some similarities and differences to help you choose the assay that best suits your individual needs. Continue reading “A BiT or BRET, Which is Better?”
Research surrounding drug discovery has historically been highly competitive and expensive. Unfortunately, many late-stage drug failures have occurred over recent years, often due to lack of efficacy. These failures have left the industry searching for new means by which to improve early drug discovery efforts aimed at understanding the drug target and its role in disease. One idea that is gaining traction is partnerships to openly share information at the early, precompetitive stages of drug discovery.
I used to think of open access only in terms of publishing data and information—online sites where you could freely access data without a subscription or membership, and without payment.
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