Product Type: | Recombinant Rabbit monoclonal IgG, primary antibodies |
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Species reactivity: | Human |
Applications: | WB, IF-Cell, IF-Tissue, IHC-P, FC, mIHC |
Clonality: | Monoclonal |
Clone number: | ST0488 |
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: 51 kDa |
Isotype: | IgG |
Immunogen: | Recombinant protein within Human CD4 aa 196-416 / 458. |
Positive control: | U937 cell lysate, THP-1 cell lysate, THP-1, human tonsil tissue, human spleen tissue, human lymph nodes tissue, human liver tissue, human prostate cancer, human cervical cancer. |
Subcellular location: | Cell membrane. |
Recommended Dilutions:
WB IF-Cell IF-Tissue IHC-P FC mIHC |
1:1,000-1:2,000 1:50-1:200 1:50-1:200 1:400-1:800 1:500-1:1,000 1:800-1:1,000 |
Uniprot #: | SwissProt: P01730 Human |
Alternative names: | CD 4 CD4 (L3T4) CD4 CD4 antigen (p55) CD4 antigen CD4 molecule CD4 receptor CD4+ Lymphocyte deficiency, included CD4_HUMAN CD4mut L3T4 Leu3 Ly-4 Lymphocyte antigen CD4 MGC165891 OTTHUMP00000238897 p55 T cell antigen T4 T cell antigen T4/LEU3 T cell differentiation antigen L3T4 T cell OKT4 deficiency, included T cell surface antigen T4/Leu 3 T cell surface antigen T4/Leu3 T cell surface glycoprotein CD4 T-cell surface antigen T4/Leu-3 T-cell surface glycoprotein CD4 W3/25 W3/25 antigen |
Fig1: Fluorescence multiplex immunohistochemical analysis of tertiary lymphoid structures in human prostate cancer (Formalin/PFA-fixed paraffin-embedded sections). Panel A: the merged image of anti-CD20 (HA721138, green), anti-CD21 (HA721163, cyan) and anti-CD4 (ET1609-52, yellow) on tertiary lymphoid structures. Panel B: anti- CD20 stained on B cells. Panel C: anti-CD21 stained on naive B-cell, memory B-cell and plasma cells. Panel D: anti-CD4 stained on helper T cells and Treg cells. HRP Conjugated UltraPolymer Goat Polyclonal Antibody HA1119/HA1120 was used as a secondary antibody. The immunostaining was performed with the Sequential Immuno-staining Kit (IRISKit™MH010101, www.luminiris.cn). The section was incubated in three rounds of staining: in the order of HA721138 (1/1,500 dilution), HA721163 (1/1,000 dilution), and ET1609-52 (1/1,000 dilution) for 20 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system. Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 30 mins at 95℃. DAPI (blue) was used as a nuclear counter stain. Image acquisition was performed with Olympus VS200 Slide Scanner. | |
Fig2: Fluorescence multiplex immunohistochemical analysis of tertiary lymphoid structures in human cervical cancer (Formalin/PFA-fixed paraffin-embedded sections). Panel A: the merged image of anti-Granzyme B (HA500252, magenta), anti-CD4 (ET1609-52, yellow) on tertiary lymphoid structures. Panel B: anti- Granzyme B stained on cytotoxic NK cells and dendritic cells. Panel C: anti-CD4 stained on helper T cells and Treg cells. HRP Conjugated UltraPolymer Goat Polyclonal Antibody HA1119/HA1120 was used as a secondary antibody. The immunostaining was performed with the Sequential Immuno-staining Kit (IRISKit™MH010101, www.luminiris.cn). The section was incubated in three rounds of staining: in the order of HA500252 (1/200 dilution), ET1609-52 (1/1,000 dilution) for 20 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system. Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 30 mins at 95℃. DAPI (blue) was used as a nuclear counter stain. Image acquisition was performed with Olympus VS200 Slide Scanner. |
Fig3: Fluorescence multiplex immunohistochemical analysis of Human tonsil (Formalin/PFA-fixed paraffin-embedded sections). Panel A: the merged image of anti-CD14 (ET1610-85, Red), anti-CD4 (ET1609-52, Green), anti-CD57 (HA601114, White), anti-CD15 (HA721246, Cyan)and anti-Tryptase (ET1610-64, Magenta) on tonsil. Panel B: anti- CD14 stained on monocytes. Panel C: anti-CD4 stained on helper T cells and Treg cells. Panel D: anti-CD57 stained on NK cells and T cells. Panel E: CD15 stained on granulocytes and monocytes. Panel F: anti-Tryptase stained on Mast cells. HRP Conjugated UltraPolymer Goat Polyclonal Antibody HA1119/HA1120 was used as a secondary antibody. The immunostaining was performed with the Sequential Immuno-staining Kit (IRISKit™MH010101, www.luminiris.cn). The section was incubated in five rounds of staining: in the order of ET1610-85 (1/800 dilution), ET1609-52 (1/800 dilution), HA601114 (1/1,000 dilution), HA721246 (1/500 dilution), and ET1610-64 (1/3,000 dilution) for 20 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system. Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 30 mins at 95℃. DAPI (blue) was used as a nuclear counter stain. Image acquisition was performed with Olympus VS200 Slide Scanner. | |
Fig4: Fluorescence multiplex immunohistochemical analysis of human tonsil (Formalin/PFA-fixed paraffin-embedded sections). Panel A: the merged image of anti-CD68 (HA601115, Red), anti-BCL6 (HA601083, Yellow) and anti-CD4 (ET1609-52, Green) on tonsil. HRP Conjugated UltraPolymer Goat Polyclonal Antibody HA1119/HA1120 was used as a secondary antibody. The immunostaining was performed with the Sequential Immuno-staining Kit (IRISKit™MH010101, www.luminiris.cn). The section was incubated in three rounds of staining: in the order of HA601115 (1/2,000 dilution), HA601083 (1/200 dilution) and ET1609-52 (1/800 dilution) for 20 mins at room temperature. Each round was followed by a separate fluorescent tyramide signal amplification system. Heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 30 mins at 95℃. DAPI (blue) was used as a nuclear counter stain. Image acquisition was performed with Zeiss Observer 7 Inverted Fluorescence Microscope. |
Fig5:
Western blot analysis of CD4 on different lysates with Rabbit anti-CD4 antibody (ET1609-52) at 1/1,000 dilution. Lane 1: THP-1 cell lysate Lane 2: U937 cell lysate Lysates/proteins at 10 µg/Lane. Predicted band size: 51 kDa Observed band size: 55 kDa Exposure time: 1 minute 30 seconds; 10% 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 (ET1609-52) 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 1:100,000 dilution was used for 1 hour at room temperature. |
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Fig6:
Western blot analysis of CD4 on different lysates with Rabbit anti-CD4 antibody (ET1609-52) at 1/2,000 dilution. Lane 1: THP-1 WT cell lysate Lane 2: THP-1 CD4 KD cell lysate Lysates/proteins at 10 µg/Lane. Predicted band size: 51 kDa Observed band size: 55 kDa Exposure time: 30 seconds; ECL: Ori Supersensitive 4-20% SDS-PAGE gel. ET1609-52 was shown to specifically react with CD4 in THP-1 WT cells. Weakened band was observed when THP-1 CD4 KD sample was tested. THP-1 WT and THP-1 CD4 KD 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 (ET1609-52, 1/2,000) 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 1:50,000 dilution was used for 1 hour at room temperature. |
Fig7:
Immunocytochemistry analysis of THP-1 cells labeling CD4 with Rabbit anti-CD4 antibody (ET1609-52) at 1/50 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-CD4 antibody (ET1609-52) at 1/50 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. |
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Fig8:
Immunohistochemical analysis of paraffin-embedded human tonsil tissue with Rabbit anti-CD4 antibody (ET1609-52) at 1/800 dilution. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 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 (ET1609-52) at 1/800 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. |
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Fig9:
Immunohistochemical analysis of paraffin-embedded human spleen tissue with Rabbit anti-CD4 antibody (ET1609-52) at 1/400 dilution. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 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 (ET1609-52) at 1/400 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. |
Fig10:
Immunohistochemical analysis of paraffin-embedded human lymph nodes tissue with Rabbit anti-CD4 antibody (ET1609-52) at 1/400 dilution. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 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 (ET1609-52) at 1/400 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. |
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Fig11:
Immunohistochemical analysis of paraffin-embedded human liver tissue with Rabbit anti-CD4 antibody (ET1609-52) at 1/800 dilution. The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 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 (ET1609-52) at 1/800 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. |
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Fig12:
Flow cytometric analysis of THP-1 cells labeling CD4. Cells were washed twice with cold PBS and resuspend. Then stained with the primary antibody (ET1609-52, 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). |