Home Newsletters Neural Cell News β-Arrestin 2 Stimulates Degradation of HIF-1α and Modulates Tumor Progression of Glioblastoma

β-Arrestin 2 Stimulates Degradation of HIF-1α and Modulates Tumor Progression of Glioblastoma

0
Investigators demonstrated that Arrb2 interacted with HIF-1α and stimulated ubiquitin-mediated 26S proteasomal degradation of HIF-1α by recruiting PHD2 and pVHL.
[Cell Death & Disease]
7753456 {7753456:8ZCME62V} apa 50 1 162404 https://www.stemcellsciencenews.com/wp-content/plugins/zotpress/
%7B%22status%22%3A%22success%22%2C%22updateneeded%22%3Afalse%2C%22instance%22%3A%22zotpress-38a7aa1478ef0aa20e5beec2acbf34ff%22%2C%22meta%22%3A%7B%22request_last%22%3A0%2C%22request_next%22%3A0%2C%22used_cache%22%3Atrue%7D%2C%22data%22%3A%5B%7B%22key%22%3A%228ZCME62V%22%2C%22library%22%3A%7B%22id%22%3A7753456%7D%2C%22meta%22%3A%7B%22creatorSummary%22%3A%22Bae%20et%20al.%22%2C%22parsedDate%22%3A%222021-05-18%22%2C%22numChildren%22%3A0%7D%2C%22bib%22%3A%22%3Cdiv%20class%3D%5C%22csl-bib-body%5C%22%20style%3D%5C%22line-height%3A%202%3B%20padding-left%3A%201em%3B%20text-indent%3A-1em%3B%5C%22%3E%5Cn%20%20%3Cdiv%20class%3D%5C%22csl-entry%5C%22%3EBae%2C%20W.-Y.%2C%20Choi%2C%20J.-S.%2C%20Nam%2C%20S.%2C%20%26amp%3B%20Jeong%2C%20J.-W.%20%282021%29.%20%26%23x3B2%3B-arrestin%202%20stimulates%20degradation%20of%20HIF-1%26%23x3B1%3B%20and%20modulates%20tumor%20progression%20of%20glioblastoma.%20%3Ci%3ECell%20Death%20%26amp%3B%20Differentiation%3C%5C%2Fi%3E%2C%201%26%23x2013%3B13.%20%3Ca%20href%3D%27https%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1038%5C%2Fs41418-021-00802-2%27%3Ehttps%3A%5C%2F%5C%2Fdoi.org%5C%2F10.1038%5C%2Fs41418-021-00802-2%3C%5C%2Fa%3E%20%3Ca%20title%3D%27Cite%20in%20RIS%20Format%27%20class%3D%27zp-CiteRIS%27%20href%3D%27https%3A%5C%2F%5C%2Fwww.stemcellsciencenews.com%5C%2Fwp-content%5C%2Fplugins%5C%2Fzotpress%5C%2Flib%5C%2Frequest%5C%2Frequest.cite.php%3Fapi_user_id%3D7753456%26amp%3Bitem_key%3D8ZCME62V%27%3ECite%3C%5C%2Fa%3E%20%3C%5C%2Fdiv%3E%5Cn%3C%5C%2Fdiv%3E%22%2C%22data%22%3A%7B%22itemType%22%3A%22journalArticle%22%2C%22title%22%3A%22%5Cu03b2-arrestin%202%20stimulates%20degradation%20of%20HIF-1%5Cu03b1%20and%20modulates%20tumor%20progression%20of%20glioblastoma%22%2C%22creators%22%3A%5B%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Woom-Yee%22%2C%22lastName%22%3A%22Bae%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Jae-Sun%22%2C%22lastName%22%3A%22Choi%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Seungyoon%22%2C%22lastName%22%3A%22Nam%22%7D%2C%7B%22creatorType%22%3A%22author%22%2C%22firstName%22%3A%22Joo-Won%22%2C%22lastName%22%3A%22Jeong%22%7D%5D%2C%22abstractNote%22%3A%22The%20basic%20function%20of%20%5Cu03b2-arrestin%202%20%28Arrb2%29%20is%20to%20negatively%20regulate%20the%20G-protein-coupled%20receptor%20signaling%20pathway%20through%20facilitating%20receptor%20desensitization%20and%20internalization.%20Arrb2%20has%20also%20been%20reported%20to%20play%20various%20roles%20in%20cancer%20pathology%20including%20the%20proliferation%2C%20migration%2C%20invasion%2C%20metastasis%2C%20and%20apoptosis%20of%20solid%20tumors.%20However%2C%20the%20molecular%20mechanisms%20underlying%20the%20tumorigenic%20capacities%20of%20Arrb2%20have%20not%20been%20elucidated.%20Here%2C%20we%20show%20a%20novel%20function%20of%20Arrb2%3A%20Arrb2%20facilitates%20the%20degradation%20of%20HIF-1%5Cu03b1%2C%20which%20is%20a%20master%20regulator%20of%20oxygen%20homeostasis.%20We%20also%20demonstrate%20that%20Arrb2%20interacts%20with%20HIF-1%5Cu03b1%20and%20stimulates%20ubiquitin-mediated%2026S%20proteasomal%20degradation%20of%20HIF-1%5Cu03b1%20by%20recruiting%20PHD2%5Cu00a0and%20pVHL.%20Overexpression%20of%20Arrb2%20in%20human%20glioblastoma%20cells%20suppresses%20HIF-1%5Cu03b1%20signaling%2C%20tumor%20growth%2C%20and%20angiogenesis.%20Consistent%20with%20this%20antitumorigenic%20effect%20of%20Arrb2%2C%20low%20Arrb2%20expression%20levels%20correlate%20with%20high%20HIF-1%5Cu03b1%20expression%20and%20poor%20glioblastoma%20patient%20survival.%20These%20results%20collectively%20reveal%20a%20novel%20function%20of%20Arrb2%20in%20the%20oxygen-sensing%20mechanism%20that%20directly%20regulates%20HIF-1%5Cu03b1%20stability%20in%20human%20cancers%20and%20suggest%20Arrb2%20as%20a%20new%20potential%20therapeutic%20target%20for%20glioblastoma.%22%2C%22date%22%3A%222021-05-18%22%2C%22language%22%3A%22en%22%2C%22DOI%22%3A%2210.1038%5C%2Fs41418-021-00802-2%22%2C%22ISSN%22%3A%221476-5403%22%2C%22url%22%3A%22https%3A%5C%2F%5C%2Fwww.nature.com%5C%2Farticles%5C%2Fs41418-021-00802-2%22%2C%22deleted%22%3A1%2C%22collections%22%3A%5B%22TUURQW3H%22%5D%2C%22dateModified%22%3A%222021-05-18T22%3A57%3A46Z%22%7D%7D%5D%7D
Bae, W.-Y., Choi, J.-S., Nam, S., & Jeong, J.-W. (2021). β-arrestin 2 stimulates degradation of HIF-1α and modulates tumor progression of glioblastoma. Cell Death & Differentiation, 1–13. https://doi.org/10.1038/s41418-021-00802-2 Cite
Full Article
Exit mobile version