NVP-TAE684, ALK inhibitor

Supplementary information

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

ALK also known as Anaplastic Lymphoma Kinase is a receptor tyrosine kinase with a molecular mass of approximately 176 kDa. ALK plays an important role in cell signaling and is involved in the regulation of cell growth. It predominantly expresses in the nervous system but also appears in other tissues like the liver and small intestine. The PAK proteins including PAK1 PAK2 and PAK3 function as serine/threonine kinases important for various cellular processes and are expressed in tissues such as the brain and heart. Other targets in this group like MAP4K6 CaMKII PHKG2 MAP4K5 and MAP4K3/GLK function as kinases participating in signal transduction.

Biological function summary

These proteins help regulate critical cellular events like differentiation apoptosis and cytoskeletal reorganization. ALK often forms part of signaling complexes that control cellular communication. CaMKII which is calcium/calmodulin-dependent protein kinase II uniquely regulates synaptic signaling and memory function. PAK proteins mediate pathways that control cytoskeletal dynamics while MAP4K proteins participate in MAP kinase pathways that regulate cell proliferation and survival.

Pathways

These kinases integrate into significant signaling cascades such as the MAPK/ERK pathway and the PI3K/Akt pathway. The MAPK/ERK pathway involving proteins like MAP4K6 and MAP4K5 plays an important role in transmitting signals from growth factors outside the cell to the DNA in the nucleus affecting cell division and differentiation. PAK proteins also link to the PI3K/Akt pathway which influences many cellular processes including metabolism and survival. These pathways emphasize their influence in critical regulatory processes in the cell.

ALK mutations and rearrangements associate strongly with certain cancers such as non-small cell lung cancer and anaplastic large cell lymphoma. The aberrant activation of ALK leads to uncontrolled cell proliferation and survival which is a hallmark of cancer. PAK proteins relate to neurological disorders like Alzheimer's due to their role in cytoskeletal regulation and neuronal signaling. In these diseases interactions with other proteins like EGFR in the case of ALK and tau proteins for PAK1 highlight their relevance in disease mechanisms.