LY 364947, ATP-competitive TGFbeta receptor kinase I inhibitor

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The p38 also known as MAPK14 is a protein kinase with a molecular weight of approximately 41 kDa expressed in a variety of tissues including the heart lung and brain. It plays a role in response to stress stimuli including cytokines ultraviolet irradiation and heat shock. The TGF beta Receptor I (TGFBR1) is approximately 53 kDa and is located on the surface of many cell types being important for signaling in cellular pathways. ROR gamma also called RORC is a nuclear receptor with a mass of around 59 kDa that is found in several tissues but expressed mostly in thymus. TGF beta Receptor II (TGFBR2) is a transmembrane protein with a mass of 70-85 kDa and is mainly seen in epithelial tissues. ZAK also known as MLTK weighs about 92 kDa and is functionally present in numerous tissues including tissues related to immune response.

Biological function summary

These proteins work in distinct but sometimes overlapping roles in cellular function. The p38 MAP kinase acts in cellular processes such as differentiation apoptosis and autophagy. TGFBR1 and TGFBR2 are part of a receptor complex for transmitting the TGF-beta signal from the cell surface to the cytoplasm and are essential in the regulation of cell growth proliferation and immune response. ROR gamma is particularly important in the development of lymphoid organs as well as in the regulation of circadian rhythm and metabolism. ZAK contributes to the regulation of the inflammatory response by modulating signaling pathways.

Pathways

P38 plays a role in the MAP kinase signaling pathway which affects cellular responses to external stress and pro-inflammatory signals by interacting with various transcription factors. TGFBR1 and TGFBR2 function together in the TGF-beta signaling pathway leading to the phosphorylation and activation of SMAD transcription factors influencing processes such as cellular growth. ROR gamma integrates into the Th17 differentiation pathway working alongside cytokines such as IL-17 for immune responses. ZAK Protein fits within the JNK signaling pathway where it aids in response to DNA damage and stress stimuli.

Dysregulation of p38 is connected to inflammatory diseases like rheumatoid arthritis as it influences inflammatory cytokine production. The TGF-beta receptors TGFBR1 and TGFBR2 have roles in cancer development given their involvement in cell proliferation and immune suppression; altered TGF-beta signaling pathways are common in tumorigenesis. Mutations in ROR gamma relate to autoimmune conditions such as psoriasis due to its part in immune system regulation. ZAK mutations have been linked to specific types of cancers where JNK pathway alterations occur and changes affecting ZAK also correlate with certain cardiovascular diseases through its impact on cellular stress responses.