Cofilin 1 (non-muscle; n-cofilin), also known as CFL1, is a human gene, part of the ADF/cofilin family. Cofilin is a widely distributed intracellular actin-modulating protein that binds and depolymerizes filamentous F-actin and inhibits the polymerization of monomeric G-actin in a pH-dependent manner. It is involved in the translocation of actin-cofilin complex from cytoplasm to nucleus. One group reports that reelin signaling leads to serine3-phosphorylation of cofilin-1, and this interaction may play a role in the reelin-related regulation of neuronal migration. Cofilin 1 has been shown to interact with HSPH1 and LIMK1.
Background References
1. Namme JN et al. Cofilin Signaling in the CNS Physiology and Neurodegeneration. Int J Mol Sci. 2021 Oct
2. Bamburg JR et al. Cofilin and Actin Dynamics: Multiple Modes of Regulation and Their Impacts in Neuronal Development and Degeneration. Cells. 2021 Oct
Western blot analysis of Cofilin on different lysates with Rabbit anti-Cofilin antibody (HA721326) at 1/1,000 dilution.
Lane 1: Hela cell lysate (30 µg/Lane) Lane 2: HEK-293 cell lysate (30 µg/Lane) Lane 3: MCF-7 cell lysate (30 µg/Lane) Lane 4: MDA-MB-468 cell lysate (24 µg/Lane) Lane 5: K-562 cell lysate (16 µg/Lane) Lane 6: SH-SY5Y cell lysate (22 µg/Lane) Lane 7: HUVEC cell lysate (30 µg/Lane) Lane 8: Jurkat cell lysate (30 µg/Lane) Lane 9: A431 cell lysate (20 µg/Lane) Lane 10: COS-1 cell lysate (30 µg/Lane) Lane 11: VERO cell lysate (30 µg/Lane) Lane 12: NIH/3T3 cell lysate (22 µg/Lane) Lane 13: PC-12 cell lysate (30 µg/Lane) Lane 14: Neuro-2a cell lysate (19 µg/Lane)
Predicted band size: 19 kDa Observed band size: 19 kDa
Exposure time: 20 seconds;
15% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA721326) at 1/1,000 dilution was used in 5% NFDM/TBST at room temperature for 2 hours. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:200,000 dilution was used for 1 hour at room temperature.
Immunocytochemistry analysis of NIH/3T3 cells labeling Cofilin with Rabbit anti-Cofilin antibody (HA721326) at 1/100 dilution.
Cells were fixed in 4% paraformaldehyde for 10 minutes at 37 ℃, permeabilized with 0.05% Triton X-100 in PBS for 20 minutes, and then blocked with 2% negative goat serum for 30 minutes at room temperature. Cells were then incubated with Rabbit anti-Cofilin antibody (HA721326) at 1/100 dilution in 2% negative goat serum overnight at 4 ℃. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. Nuclear DNA was labelled in blue with DAPI.
Beta tubulin (M1305-2, red) was stained at 1/100 dilution overnight at +4℃. Goat Anti-Mouse IgG H&L (iFluor™ 594, HA1126) was used as the secondary antibody at 1/1,000 dilution.
Flow cytometric analysis of Hela cells labeling Cofilin.
Cells were fixed and permeabilized. Then stained with the primary antibody (HA721326, 1ug/ml) (red) compared with Rabbit IgG Isotype Control (green). After incubation of the primary antibody at +4℃ for an hour, the cells were stained with a iFluor™ 488 conjugate-Goat anti-Rabbit IgG Secondary antibody (HA1121) at 1/1,000 dilution for 30 minutes at +4℃. Unlabelled sample was used as a control (cells without incubation with primary antibody; black).
Flow cytometric analysis of NIH/3T3 cells labeling Cofilin.
Cells were fixed and permeabilized. Then stained with the primary antibody (HA721326, 1ug/ml) (red) compared with Rabbit IgG Isotype Control (green). After incubation of the primary antibody at +4℃ for an hour, the cells were stained with a iFluor™ 488 conjugate-Goat anti-Rabbit IgG Secondary antibody (HA1121) at 1/1,000 dilution for 30 minutes at +4℃. Unlabelled sample was used as a control (cells without incubation with primary antibody; black).
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