Heat Shock Protein 27 (Hsp27), also known as HSPB1, is a small heat shock protein that plays a crucial role in cellular stress responses, protein folding, and protection against apoptosis. Hsp27 is involved in various cellular processes, including the stabilization of proteins, regulation of the cytoskeleton, and modulation of signaling pathways.
Acts as a protein chaperone and an antioxidant and plays a role in the inhibition of apoptosis and actin cytoskeletal remodeling. Plays a key role in anti-cancer treatment resistance, inhibition of apoptosis and tumor progression. HSP27 is upregulated in many cancers and is associated with a poor prognosis.
Expression in Cancers: Hsp27 is often overexpressed in various types of cancers, including breast, prostate, lung, and colorectal cancers. Its expression can be induced by stressors such as heat shock, oxidative stress, and exposure to certain chemotherapeutic agents.
Prognostic Implications: The expression levels of Hsp27 have been associated with cancer prognosis. In many studies, high levels of Hsp27 expression correlate with poor prognosis, increased tumor aggressiveness, and resistance to chemotherapy.
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