TY - GEN AB - Fibroblast growth factor receptor 3 (FGFR3) regulates growth and differentiation, and its aberrant activation drives skeletal disorders and cancers. This work demonstrates that FGFR3 is inherently unstable and requires Hsp90 chaperone complexes for stability. Using biochemical analyses, we show that Hsp90 inhibition with small molecules (e.g., 17-AAG) induces FGFR3 ubiquitination and degradation. Other chaperone components, including Hsp70, Cdc37, and CHIP, also interact with FGFR3, suggesting additional therapeutic targets. These findings establish Hsp90 as a critical regulator of FGFR3 and support exploring Hsp90 inhibitors in FGFR3-driven cancers, while further studies are needed to assess their potential in skeletal diseases. AD - Oregon Health and Science University AU - Laederich, Melanie DA - 2011 DO - 10.6083/M4RF5S10 DO - DOI ID - 620 KW - Fibroblast Growth Factors KW - HSP90 Heat-Shock Proteins KW - Cell Cycle Proteins KW - Achondroplasia KW - Neoplasms KW - Receptor, Fibroblast Growth Factor, Type 3 KW - Heat-Shock Proteins KW - fgfr3 KW - cancer KW - cdc37 L1 - https://digitalcollections.ohsu.edu/record/620/files/621_etd.pdf L2 - https://digitalcollections.ohsu.edu/record/620/files/621_etd.pdf L4 - https://digitalcollections.ohsu.edu/record/620/files/621_etd.pdf LK - https://digitalcollections.ohsu.edu/record/620/files/621_etd.pdf N2 - Fibroblast growth factor receptor 3 (FGFR3) regulates growth and differentiation, and its aberrant activation drives skeletal disorders and cancers. This work demonstrates that FGFR3 is inherently unstable and requires Hsp90 chaperone complexes for stability. Using biochemical analyses, we show that Hsp90 inhibition with small molecules (e.g., 17-AAG) induces FGFR3 ubiquitination and degradation. Other chaperone components, including Hsp70, Cdc37, and CHIP, also interact with FGFR3, suggesting additional therapeutic targets. These findings establish Hsp90 as a critical regulator of FGFR3 and support exploring Hsp90 inhibitors in FGFR3-driven cancers, while further studies are needed to assess their potential in skeletal diseases. PB - Oregon Health and Science University PY - 2011 T1 - Defining the role of HSP90 in the stability of FGFR3 and as a drug target for the treatment of skeletal diseases and cancer TI - Defining the role of HSP90 in the stability of FGFR3 and as a drug target for the treatment of skeletal diseases and cancer UR - https://digitalcollections.ohsu.edu/record/620/files/621_etd.pdf Y1 - 2011 ER -