Recombinant Human b9HSP protein

Supplementary information

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

The protein b9HSP also known as B9 Heat Shock Protein plays an important role in cellular stress responses. With a molecular mass of approximately 42 kDa b9HSP is expressed in various tissues including the heart liver and kidneys. The protein acts as a molecular chaperone assisting in the proper folding of nascent polypeptides and preventing the aggregation of misfolded proteins especially during events like heat shock or oxidative stress.

Biological function summary

B9HSP is important for maintaining cellular homeostasis. It participates as a part of multi-protein complexes that stabilize proteins under stress. This protein functions by leveraging its chaperone activity to modulate protein conformation thereby ensuring cellular protection and recovery after stress conditions. Importantly b9HSP interacts with other chaperones like HSP70 and HSP90 which provide a synergistic mechanism for protein maintenance.

Pathways

B9HSP is involved in various cellular protection mechanisms. It plays a significant role in the heat shock response and the unfolded protein response pathways. In these pathways proteins like HSF1 (heat shock factor 1) trigger the expression of b9HSP as well as other heat shock proteins to mitigate damage under stress. Additionally b9HSP associates with HSF1 to modulate its activity thereby influencing the expression of genes involved in stress responses.

B9HSP shows correlation with cardiomyopathy and neurodegenerative conditions. In cardiomyopathy the misregulation of b9HSP levels contributes to cardiac protein aggregation affecting heart function. The relationship with neurodegenerative diseases involves an association with protein aggregates like tau or alpha-synuclein where b9HSP fails to prevent their accumulation exacerbating conditions such as Alzheimer's or Parkinson's disease. Understanding how b9HSP and these proteins interact can offer insights for therapeutic strategies.