Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems. The G(i) proteins are involved in hormonal regulation of adenylate cyclase: they inhibit the cyclase in response to beta-adrenergic stimuli. May play a role in cell division.
Background References
1. Cho H. et. al. Localization of Gi alpha proteins in the centrosomes and at the midbody: implication for their role in cell division. J. Cell Biol. 178:245-255(2007).
Western blot analysis of GNAI2 on different lysates with Rabbit anti-GNAI2 antibody (HA500293) at 1/1,000 dilution.
Lane 1: HAP1-parental cell lysate Lane 2: HAP1-GNAI2 KD cell lysate
Lysates/proteins at 10 µg/Lane.
Predicted band size: 40 kDa Observed band size: 40 kDa
Exposure time: 10 seconds; ECL: K1801;
4-20% 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 (HA500293) at 1/1,000 dilution was used in K1803 at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
Western blot analysis of GNAI2 on different lysates with Rabbit anti-GNAI2 antibody (HA500293) at 1/2,000 dilution.
Lane 1: U-937 (Human acute monocytic leukemia cell) cell lysate Lane 2: MCF-7 (Human breast cancer cell) cell lysate Lane 3: RAW264.7 (Mouse monocytic macrophage leukemia cell) cell lysate Lane 4: PC-12 (Rat pheochromocytoma cell (undifferentiated)) cell lysate Lane 5: mouse brain tissue lysate Lane 6: Rat brain tissue lysate
Lysates/proteins at 20 µg/Lane. Exposure time: 4 seconds; ECL: K1801
Blocking: 5% NFDM/TBST, 1 hour at room temperature Primary antibody: HA500293, 1/2,000 in primary antibody dilution buffer (K1803), overnight at 4 ℃ Secondary antibody: Goat anti-Rabbit IgG-HRP (HA1001), 1/50,000 in 5% NFDM/TBST, 1 hour at room temperature
Predicted band size: 40 kDa Observed band size: 40 kDa
Immunocytochemistry analysis of RAW264.7 cells labeling GNAI2 with Rabbit anti-GNAI2 antibody (HA500293) at 1/100 dilution.
Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 in PBS for 15 minutes at room temperature, then blocked with 1% BSA in 10% negative goat serum for 1 hour at room temperature. Cells were then incubated with Rabbit anti-GNAI2 antibody (HA500293) at 1/100 dilution in 1% BSA in PBST overnight at 4 ℃. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. Nuclear DNA was labelled in blue with DAPI.
Beta tubulin (HA601187, 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.
Immunocytochemistry analysis of PC-12 cells labeling GNAI2 with Rabbit anti-GNAI2 antibody (HA500293) at 1/200 dilution.
Cells were fixed in 4% paraformaldehyde for 15 minutes at room temperature, permeabilized with 0.1% Triton X-100 in PBS for 15 minutes at room temperature, then blocked with 1% BSA in 10% negative goat serum for 1 hour at room temperature. Cells were then incubated with Rabbit anti-GNAI2 antibody (HA500293) at 1/200 dilution in 1% BSA in PBST overnight at 4 ℃. Goat Anti-Rabbit IgG H&L (iFluor™ 488, HA1121) was used as the secondary antibody at 1/1,000 dilution. PBS instead of the primary antibody was used as the secondary antibody only control. Nuclear DNA was labelled in blue with DAPI.
Beta tubulin (HA601187, 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.
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