ET1612-14

IRF3 Recombinant Rabbit Monoclonal Antibody [SD2062]

cat.: ET1612-14

Product Type:	Recombinant Rabbit monoclonal IgG, primary antibodies
Species reactivity:	Human, Mouse, Rat
Applications:	WB, IF-Cell, IF-Tissue, IHC-P, FC
Clonality:	Monoclonal
Clone number:	SD2062

Form:	Liquid
Storage condition:	Store at +4℃ after thawing. Aliquot store at -20℃ or -80℃. Avoid repeated freeze / thaw cycles.
Storage buffer:	1*TBS (pH7.4), 0.05% BSA, 40% Glycerol. Preservative: 0.05% Sodium Azide.
Concentration:	1ug/ul
Purification:	Protein A affinity purified.
Molecular weight:	Predicted band size: 47 kDa
Isotype:	IgG
Immunogen:	Synthetic peptide within Human IRF3 aa 71-120 / 427.
Positive control:	HeLa cell lysate, Jurkat cell lysate, MCF7 cell lysate, A549 cell lysate, THP-1 cell lysate, Hela-si NT cell lysate, Hela-si IRF3 cell lysate, RAW264.7 cell lysate, mouse spleen tissue lysate, mouse liver tissue lysate, Hela, MCF-7, PANC-1, human breast carcinoma tissue, human kidney tissue, human pancreas tissue, human tonsil tissue, mouse colon tissue, mouse testis tissue, mouse heart tissue, rat brain tissue, rat colon tissue, rat heart tissue, rat spleen tissue.
Subcellular location:	Cytoplasm, Nucleus.
Recommended Dilutions: WB IF-Cell IF-Tissue IHC-P FC	1:1,000-1:5,000 1:50-1:200 1:50-1:200 1:50-1:200 1:50-1:100
Uniprot #:	SwissProt: Q14653 Human \| P70671 Mouse
Alternative names:	IIAE7 Interferon regulatory factor 3 IRF 3 IRF-3 IRF3 IRF3_HUMAN MGC94729

Images

Fig1: Western blot analysis of IRF3 on different lysates with Rabbit anti-IRF3 antibody (ET1612-14) at 1/5,000 dilution.

Lane 1: HeLa cell lysate (15 µg/Lane)
Lane 2: Jurkat cell lysate (15 µg/Lane)
Lane 3: MCF7 cell lysate (15 µg/Lane)
Lane 4: A549 cell lysate (15 µg/Lane)
Lane 5: THP-1 cell lysate (15 µg/Lane)

Predicted band size: 47 kDa
Observed band size: 55 kDa

Exposure time: 43 seconds;

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 (ET1612-14) at 1/5,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1:50,000 dilution was used for 1 hour at room temperature.

Fig2: Western blot analysis of IRF3 on different lysates with Rabbit anti-IRF3 antibody (ET1612-14) at 1/500 dilution.

Lane 1: Hela-si NT cell lysate
Lane 2: Hela-si IRF3 cell lysate

Lysates/proteins at 10 µg/Lane.

Predicted band size: 47 kDa
Observed band size: 55 kDa

Exposure time: 3 minutes;

4-20% SDS-PAGE gel.

ET1612-14 was shown to specifically react with IRF3 in Hela-si NT cells. Weakened band was observed when Hela-si IRF3 sample was tested. Hela-si NT and Hela-si IRF3 samples were subjected to SDS-PAGE. Proteins were transferred to a PVDF membrane and blocked with 5% NFDM in TBST for 1 hour at room temperature. The primary antibody (ET1612-14, 1/500) and Loading control antibody (Rabbit anti-GAPDH, ET1601-4, 1/10,000) were used in 5% BSA at room temperature for 2 hours. Goat Anti-rabbit IgG-HRP Secondary Antibody (HA1001) at 1:300,000 dilution was used for 1 hour at room temperature.

	Fig3: Western blot analysis of IRF3 on different lysates with Rabbit anti-IRF3 antibody (ET1612-14) at 1/1,000 dilution. Lane 1: RAW264.7 cell lysate (20 µg/Lane) Lane 2: Mouse spleen tissue lysate (40 µg/Lane) Lane 3: Mouse liver tissue lysate (40 µg/Lane) Predicted band size: 47 kDa Observed band size: 55 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 (ET1612-14) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
	Fig4: ICC staining of IRF3 in Hela cells (green). Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA for 15 minutes at room temperature. Cells were probed with the primary antibody (ET1612-14, 1/50) for 1 hour at room temperature, washed with PBS. Alexa Fluor®488 Goat anti-Rabbit IgG was used as the secondary antibody at 1/1,000 dilution. The nuclear counter stain is DAPI (blue).
	Fig5: ICC staining of IRF3 in MCF-7 cells (green). Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA for 15 minutes at room temperature. Cells were probed with the primary antibody (ET1612-14, 1/50) for 1 hour at room temperature, washed with PBS. Alexa Fluor®488 Goat anti-Rabbit IgG was used as the secondary antibody at 1/1,000 dilution. The nuclear counter stain is DAPI (blue).
	Fig6: ICC staining of IRF3 in PANC-1 cells (green). Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA for 15 minutes at room temperature. Cells were probed with the primary antibody (ET1612-14, 1/50) for 1 hour at room temperature, washed with PBS. Alexa Fluor®488 Goat anti-Rabbit IgG was used as the secondary antibody at 1/1,000 dilution. The nuclear counter stain is DAPI (blue).

	Fig7: Immunohistochemical analysis of paraffin-embedded human breast carcinoma tissue using anti-IRF3 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14, 1/50) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
	Fig8: Immunohistochemical analysis of paraffin-embedded human kidney tissue using anti-IRF3 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14, 1/50) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
	Fig9: Immunohistochemical analysis of paraffin-embedded human pancreas tissue using anti-IRF3 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14, 1/50) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
	Fig10: Immunohistochemical analysis of paraffin-embedded human tonsil tissue using anti-IRF3 antibody. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 8.0-8.4) for 20 minutes.The tissues were blocked in 5% BSA for 30 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14, 1/50) for 30 minutes at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

	Fig11: Immunohistochemical analysis of paraffin-embedded mouse colon tissue with Rabbit anti-IRF3 antibody (ET1612-14) at 1/2,000 dilution. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14) at 1/2,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
	Fig12: Immunohistochemical analysis of paraffin-embedded mouse testis tissue with Rabbit anti-IRF3 antibody (ET1612-14) at 1/2,000 dilution. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14) at 1/2,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
	Fig13: Immunohistochemical analysis of paraffin-embedded mouse heart tissue with Rabbit anti-IRF3 antibody (ET1612-14) at 1/200 dilution. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

	Fig14: Immunohistochemical analysis of paraffin-embedded rat brain tissue with Rabbit anti-IRF3 antibody (ET1612-14) at 1/2,000 dilution. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14) at 1/2,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
	Fig15: Immunohistochemical analysis of paraffin-embedded rat colon tissue with Rabbit anti-IRF3 antibody (ET1612-14) at 1/200 dilution. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
	Fig16: Immunohistochemical analysis of paraffin-embedded rat heart tissue with Rabbit anti-IRF3 antibody (ET1612-14) at 1/200 dilution. The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

Fig17: Immunohistochemical analysis of paraffin-embedded rat spleen tissue with Rabbit anti-IRF3 antibody (ET1612-14) at 1/200 dilution.

The section was pre-treated using heat mediated antigen retrieval with sodium citrate buffer (pH 6.0) for 2 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH₂O and PBS, and then probed with the primary antibody (ET1612-14) at 1/200 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.

Fig18: Flow cytometric analysis of IRF3 was done on Hela cells. The cells were fixed, permeabilized and stained with the primary antibody (ET1612-14, 1/50) (red). After incubation of the primary antibody at room temperature for an hour, the cells were stained with a Alexa Fluor 488-conjugated Goat anti-Rabbit IgG Secondary antibody at 1/1000 dilution for 30 minutes.Unlabelled sample was used as a control (cells without incubation with primary antibody; black).

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