From: Complex roles of filamin-A mediated cytoskeleton network in cancer progression
Interacting partners | Binding sites* | Approach** | Significance | Reference |
---|---|---|---|---|
Cytoskeleton and cell shape maintenance | ||||
F-actin | ABD, Rod-1 | b | 3D F-actin networks with unique mechanical and physiological properties | |
Calmodulin | ABD | b | Regulates F-actin binding in vitro | [55] |
R-Ras | 3 | b, c | Enhances integrin activation and maintains endothelial barrier | |
Syk | 5 | b, c | Supports ITAM-mediated receptor signaling in platelet | [58] |
Vimentin | 1-8 | c | Vimentin phosphorylation, cell surface expression of β1 integrins and cell spreading on collagen | |
Supervillin | 8–10, 20–22 | a | Cell spreading | [59] |
Membrane and membrane associated proteins | ||||
Dopamine D2 and D3 receptors | 19 | a, b, c | Stabilizes β-arrestins-filamin-A complex | |
Pro-Prion | 10,16–18, 20, 21, 23 | b, c | Enhances the binding of filamin-A with β1 integrin, and promotes cell spreading and migration in melanoma | |
GPI bα (CD 42b) | 17 | b, c | Intracellular trafficking and maintains the size of platelets | |
β Integrins | 21 | c | Adhesion, mechanoprotection and competing binding site with talin to regulate integrin activation | |
Tissue factor | 22-24 | a, b | Supports cell spreading and migration | [68] |
CEACAM 1 | 23–24 | a, b | Reduces cell migration | [69] |
Migfilin (FBLP-1) | 21 | a, b, c | Disconnects filamin-A from integrin and promotes talin-integrin binding | |
Caveolin-1 | 22-24 | a, b | Intracellular trafficking | |
Intracellular signaling | ||||
β-arrestins | 22 | a, b, c | ERK activation and actin cytoskeleton reorganization | [75] |
Wee1 | 22-24 | b, c | Regulates Wee1 expression and promotes G2/M phase progression | [42] |
K-RAS | nd | nd | Filamin-A deficiency reduces K-RAS oncogenic potentials | [76] |
NIK | nd | b | Mediates the activation of the IKKα/NF-κB cascade through CD28 signaling | [77] |
sst2 | 19-20, 21-24 | b, c | Negative control on PI3K pathway | [78] |
Androgen receptor | 16-19 | a, b, c | Required for androgen-induced cell migration | |
SEK1 | 22-23 | a, b, c | Tumor necrosis factor-alpha signaling | [81] |
TRAF2 | 15-19 | a, b, c | Inflammatory signal transduction | [82] |
Small GTP-binding proteins and their regulators | ||||
Rho/Cdc42/RalA | 24 | c | Remodeling of cytoskeleton | [83] |
ROCK | 24 | b, c | Remodeling of cytoskeleton | [84] |
FilGAP | 23 | a, b, c | Cell spreading and GAP activation | |
Trio | 23–24 | c | GEF for RhoG/Rac1 and RhoA and required for ruffling | [86] |
Nuclear function associated proteins | ||||
BRCA1 | 23-24 | a, b, c | Facilitates the recruitment of BRAC1 and RAD51 to DNA damage sites and stabilizes the DNA-PK holoenzyme | [87] |
BRCA2 | 21-24 | a, b, c | Required for efficient homologous recombination DNA repair and recovery of G2/M phase arrest | |
RefilinB | 15-24 | a, b | Stabilizes perinuclear actin actin networks and regulates nuclear shape | [91] |
TIF-IA, RPA40 | ABD | b | Suppresses ribosomal RNA gene transcription | [92] |
TAF1B/mKIAA1093 | 1-7 | a, c | Possible role in rRNA production, protein translation and the organization of centromeres | [93] |