All lanes : Anti-Huntingtin antibody [EPR5526] (ab109115) at 1/10000 dilution

Lane 1 : Wild-type HeLa cell lysate
Lane 2 : HTT knockout HeLa cell lysate

Lysates/proteins at 20 µg per lane.

Performed under reducing conditions.

Predicted band size: 348 kDa
Observed band size: 348 kDa

Lanes 1- 2: Merged signal (red and green). Green - ab109115 observed at 348 kDa. Red - Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) observed at 50 kDa.

 ab109115 was shown to react with Huntingtin in wild-type HeLa cells in western blot. Loss of signal was observed when knockout cell line ab265976 (knockout cell lysate ab256946) was used. Wild-type HeLa and HTT knockout HeLa cell lysates were subjected to SDS-PAGE. Membrane was blocked for 1 hour at room temperature in 0.1% TBST with 3% non-fat dried milk. ab109115 and Anti-alpha Tubulin antibody [DM1A] - Loading Control (ab7291) overnight at 4°C at a 1 in 10000 Dilution and a 1 in 20000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye^®800CW) preadsorbed (ab216773) and Goat anti-Mouse IgG H&L (IRDye^®680RD) preadsorbed (ab216776) secondary antibodies at 1 in 20000 dilution for 1 hour at room temperature before imaging.

Immunohistochemistry (Frozen) analysis of mouse cerebellum tissue sections labeling Huntingtin with purified ab109115 at 1/100 (13.4 µg/ml). Goat anti rabbit IgG (Alexa Fluor^® 488, ab150077) at 1/1000 (2 µg/ml) was used as the secondary antibody. Sections were fixed with 4% paraformaldehyde and permeabilised with 0.2% Triton X-100. Negative control: PBS instead of the primary antibody. DAPI (blue) was used as nuclear counterstain. Heat mediated antigen retrieval using sodium citrate buffer (10mM citrate pH 6.0 + 0.05% Tween-20) was performed.

Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized

Neuro-2a (Mouse neuroblastoma cells) cells labeling Huntingtin with purified ab109115 at 1/1000 dilution, followed by Goat anti-rabbit IgG (Alexa Fluor^® 488) (ab150077) secondary antibody at 1/1000 dilution (green).

Confocal image showing nuclear and cytoplasmic staining on Neuro-2a cell line.

The nuclear counter stain is DAPI (blue).

Tubulin is detected with ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution and ab150120 (AlexaFluor®594 Goat anti-Mouse secondary) at 1/1000 dilution (red).

The negative controls are as follows:
1. ab191472 at 1/1000 dilution followed by ab150120 (Alexa Fluor^® 594 Goat anti-Mouse secondary) at 1/1000 dilution.
2. ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution followed by ab150077 (Alexa Fluor^® 488 Goat Anti-Rabbit IgG H&L) at 1/1000 dilution.

All lanes : Anti-Huntingtin antibody [EPR5526] (ab109115) at 1/10000 dilution

Lane 1 : Wild-type HAP1 whole cell lysate
Lane 2 : HTT knockout HAP1 whole cell lysate
Lane 3 : SH-SY5Y whole cell lysate
Lane 4 : HeLa whole cell lysate

Lysates/proteins at 20 µg per lane.

Predicted band size: 348 kDa

Lanes 1 - 4: Merged signal (red and green). Green - ab109115 observed at 348 kDa. Red - loading control, ab18058, observed at 130 kDa.

ab109115 was shown to specifically recognize HTT in wild-type HAP1 cells along with additional cross-reactive bands. No band was observed when HTT knockout samples were exmined. Wild-type and HTT knockout samples were subjected to SDS-PAGE. Unpurified ab109115 and ab18058 (Mouse anti-Vinculin loading control) were incubated overnight at 4°C at 1/10,000 dilution and 1/10,000 dilution respectively. Blots were developed with Goat anti-Rabbit IgG H&L (IRDye^® 800CW) preabsorbed ab216773 and Goat anti-Mouse IgG H&L (IRDye^® 680RD) preabsorbed ab216776 secondary antibodies at 1/10,000 dilution for 1 hour at room temperature before imaging.

Immunohistochemical analysis of paraffin-embedded Human astrocytoma labeling Huntingtin with purified ab109115 at 1/100 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500. Counter stained with Hematoxylin. Nuclear staining on cancer cells of astrocytoma.

Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Immunohistochemistry (Frozen) analysis of mouse cerebrum tissue sections labeling Huntingtin with purified ab109115 at 1/100 (13.4 µg/ml). Goat anti rabbit IgG (Alexa Fluor^® 488, ab150077) at 1/1000 (2 µg/ml) was used as the secondary antibody. Sections were fixed with 4% paraformaldehyde and permeabilised with 0.2% Triton X-100. Negative control: PBS instead of the primary antibody. DAPI (blue) was used as nuclear counterstain. Heat mediated antigen retrieval using sodium citrate buffer (10mM citrate pH 6.0 + 0.05% Tween-20) was performed.

All lanes : Anti-Huntingtin antibody [EPR5526] (ab109115) at 1/5000 dilution (purified)

Lane 1 : SH-SY5Y (Human neuroblastoma from bone marrow cells) whole cell lysate
Lane 2 : HeLa (Human epithelial cells from cervix adenocarcinoma) whole cell lysate
Lane 3 : PC-12 (Rat adrenal gland pheochromocytoma) whole cell lysate
Lane 4 : Neuro-2a (Mouse neuroblastoma cells) whole cell lysate

Lysates/proteins at 10 µg per lane.

Secondary
All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/1000 dilution

Predicted band size: 348 kDa
Observed band size: 348 kDa


Exposure time: 1 second

Blocking and Diluting buffer and concentration:  5% NFDM /TBST

Immunohistochemical analysis of paraffin-embedded Human cerebral cortex tissue labeling Huntingtin with purified ab109115 at 1/100 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500. Counter stained with Hematoxylin. Nuclear staining on neuron of human cerebral cortex was observed.

Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

All lanes : Anti-Huntingtin antibody [EPR5526] (ab109115) at 1/50000 dilution (purified)

Lane 1 : Mouse brain lysate
Lane 2 : Rat brain lysate

Lysates/proteins at 20 µg per lane.

Secondary
All lanes : Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/1000 dilution

Predicted band size: 348 kDa
Observed band size: 348 kDa


Exposure time: 30 seconds

Blocking and Diluting buffer and concentration: 5% NFDM /TBST

Flow cytometric analysis of 4% paraformaldehyde-fixed SH-SY5Y (Human neuroblastoma from bone marrow cells) cells labeling Huntingtin with purified ab109115 at 1/250 dilution (red) compared with a rabbit monoclonal IgG isotype control (ab172730; black) and an unlabelled control (cells without incubation with primary antibody and secondary antibody; blue). Goat anti rabbit IgG (FITC) at 1/500 dilution was used as the secondary antibody.

Immunofluorescent analysis of 4% paraformaldehyde-fixed, 0.1% Triton X-100 permeabilized

SH-SY5Y (Human neuroblastoma from bone marrow cells) cells labeling Huntingtin with purified ab109115 at 1/1000 dilution, followed by Goat anti-rabbit IgG (Alexa Fluor^® 488) (ab150077) secondary antibody at 1/1000 dilution (green).

Confocal image showing nuclear and cytoplasmic staining on SH-SY5Y cell line.

The nuclear counter stain is DAPI (blue).

Tubulin is detected with ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution and ab150120 (Alexa Fluor^® 594 Goat anti-Mouse secondary) at 1/1000 dilution (red).

The negative controls are as follows:
1. ab191472 at 1/1000 dilution followed by ab150120 (Alexa Fluor^® 594 Goat anti-Mouse secondary) at 1/1000 dilution.
2. ab7291 (anti-Tubulin mouse mAb) at 1/1000 dilution followed by ab150077 (Alexa Fluor^® 488 Goat Anti-Rabbit IgG H&L) at 1/1000 dilution.

Immunohistochemical analysis of paraffin-embedded Mouse testis labeling Huntingtin with purified ab109115 at 1/100 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500. Counter stained with Hematoxylin. Cytoplasmic staining on spermatogenic cells of mouse testis.

Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.

Immunohistochemical analysis of paraffin-embedded Rat testis labeling Huntingtin with purified ab109115 at 1/100 dilution followed by Goat Anti-Rabbit IgG H&L (HRP) (ab97051) at 1/500. Counter stained with Hematoxylin. Weak cytoplasmic staining on spermatogenic cells of rat testis.

Perform heat mediated antigen retrieval with Tris/EDTA buffer pH 9.0 before commencing with IHC staining protocol.