All lanes : Anti-GAPDH antibody [6C5] - Loading Control (ab8245)

Lane 1 : Mouse hippocampus whole cell lysate
Lane 2 : Rat hippocampus whole cell lysate

Lysates/proteins at 20 µg per lane.

Secondary
All lanes : HRP-conjugated Rabbit anti-mouse at 1/5000 dilution

Developed using the ECL technique.

Performed under reducing conditions.

Predicted band size: 40.2 kDa
Observed band size: 36 kDa why is the actual band size different from the predicted?


Exposure time: 10 seconds

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ab8245 staining GAPDH in SV40LT-SMC (Rat SV40-transfected aorta smooth cell line) cells.

The cells were fixed with 4% formaldehyde (10 minutes), permeabilized with 0.1% Triton X-100 for 5 minutes and then blocked in 1% BSA/10% normal goat serum/0.3M glycine in 0.1%PBS-Tween for 1 hour. The cells were then incubated with ab8245 at 5μg/ml and ab202272 at 1/250 overnight at +4°C, followed by a further incubation at room temperature for 1h with Goat Anti-Mouse IgG H&L (Alexa Fluor^® 488) preadsorbed (ab150117) (shown in green). Nuclear DNA was labeled in blue with DAPI.

Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

Anti-GAPDH antibody [6C5] - Loading Control (ab8245) at 10 µg/ml + Raji (Human Burkitt's lymphoma cell line) whole cell lysate at 20 µg

Predicted band size: 40.2 kDa

All lanes : Anti-GAPDH antibody [6C5] - Loading Control (ab8245) at 2.5 µg/ml

Lane 1 : HeLa (Human epithelial cell line from cervix adenocarcinoma) Nuclear
Lane 2 : HeLa (Human epithelial cell line from cervix adenocarcinoma) whole cell lysate
Lane 3 : A431 (Human epidermoid carcinoma cell line) cell lysate
Lane 4 : Jurkat (Human T cell leukemia cell line from peripheral blood) cell lysate
Lane 5 : HEK-293 (Human epithelial cell line from embryonic kidney) cell lysate

Lysates/proteins at 20 µg per lane.

Secondary
All lanes : Alexa Fluor anti-mouse at 1/5000 dilution

Performed under reducing conditions.

Predicted band size: 40.2 kDa
Observed band size: 37 kDa why is the actual band size different from the predicted?



Fluorescence detection of secondary antibody.

ab8245 staining GAPDH in NIH/3T3 (Mouse embryo fibroblast cell line) cells.

The cells were fixed with 4% formaldehyde (10 minutes) and then blocked in 1% BSA/10% normal goat serum/0.3M glycine in 0.1%PBS-Tween for 1 hour. The cells were then incubated with ab8245 at 1 μg/ml and ab202272 at 1/250 overnight at +4°C, followed by a further incubation at room temperature for 1 hour with Goat Anti-Mouse IgG H&L (Alexa Fluor^® 488) preadsorbed (ab150117) (shown in green). Nuclear DNA was labeled in blue with DAPI.

Image was taken with a confocal microscope (Leica-Microsystems, TCS SP8).

ab8245 staining GAPDH in HeLa (Human epithelial cell line from cervix adenocarcinoma) cells.

The cells were fixed with 100% methanol (5 minutes) and then blocked in 1% BSA/10% normal goat serum/0.3M glycine in 0.1%PBS-Tween for 1 hour. The cells were then incubated with ab8245 at 5 μg/ml and ab6046 at 1 µg/ml overnight at +4°C, followed by a further incubation at room temperature for 1 hour with Goat Anti-Mouse IgG H&L (Alexa Fluor^® 488) preadsorbed (ab150117) at 2 μg/ml (shown in green) and Goat Anti-Rabbit IgG H&L (Alexa Fluor^® 594) preadsorbed (ab150088) at 2 μg/ml (shown in pseudo color red). Nuclear DNA was labeled in blue with DAPI.

Negative controls: 1– Rabbit primary antibody and anti-mouse secondary antibody; 2 – Mouse primary antibody and anti-rabbit secondary antibody. Controls 1 and 2 indicate that there is no unspecific reaction between primary and secondary antibodies used.