Artikel ; Online: Integrin-independent support of cancer drug resistance by tetraspanin CD151.
Cellular and molecular life sciences : CMLS
2019 Band 76, Heft 8, Seite(n) 1595–1604
Abstract: Tetraspanin protein CD151 has typically been studied as binding partner and functional regulator of laminin-binding integrins. However, we show here that CD151 supports anti-cancer drug resistance independent of integrins. CD151 ablation sensitized ... ...
Abstract | Tetraspanin protein CD151 has typically been studied as binding partner and functional regulator of laminin-binding integrins. However, we show here that CD151 supports anti-cancer drug resistance independent of integrins. CD151 ablation sensitized multiple tumor cell types to several anti-cancer drugs (e.g., gefitinib and camptothecin), thus increasing apoptosis, as seen using cleaved caspase-3, cleaved PARP (poly (ADP-ribose) polymerase), annexin V, and propidium iodide staining assays. Drug sensitization due to CD151 ablation is integrin-independent, because, (1) effects occurred in cells when integrins were unengaged with ligand, (2) integrin ablation (α3 and α6 subunits) did not mimic effects of CD151 ablation, (3) the CD151 |
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Mesh-Begriff(e) | A549 Cells ; Antineoplastic Agents/administration & dosage ; Apoptosis/drug effects ; Camptothecin/administration & dosage ; Cell Line, Tumor ; Drug Resistance, Neoplasm ; Gefitinib/administration & dosage ; Humans ; Integrins/metabolism ; Laminin/metabolism ; Neoplasms/drug therapy ; Neoplasms/metabolism ; RNA, Messenger/genetics ; RNA, Messenger/metabolism ; Tetraspanin 24/genetics ; Tetraspanin 24/metabolism |
Chemische Substanzen | Antineoplastic Agents ; CD151 protein, human ; Integrins ; Laminin ; RNA, Messenger ; Tetraspanin 24 ; Gefitinib (S65743JHBS) ; Camptothecin (XT3Z54Z28A) |
Sprache | Englisch |
Erscheinungsdatum | 2019-02-18 |
Erscheinungsland | Switzerland |
Dokumenttyp | Journal Article |
ZDB-ID | 1358415-7 |
ISSN | 1420-9071 ; 1420-682X |
ISSN (online) | 1420-9071 |
ISSN | 1420-682X |
DOI | 10.1007/s00018-019-03014-7 |
Datenquelle | MEDical Literature Analysis and Retrieval System OnLINE |
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