CD9 Antibody (YA7185)
(Synonyms: CD9; MIC3; TSPAN29; GIG2; CD9 antigen; 5H9 antigen; Cell growth-inhibiting gene 2 protein; Leukocyte antigen MIC3; Motility-related protein; MRP-1; Tetraspanin-29; Tspan-29; p24; CD antigen CD9)Based on 3 publication(s) in Google Scholar
CD9 Antibody is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to CD9.
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Host:
Rabbit
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Isotype:
IgG
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Application:
WB, IHC-P, ICC/IF, IP, FC
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Reactivity :
Human, Mouse, Rat
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Formulation:
Supplied in Rabbit IgG in 50mM Tris-Glycine(pH 7.4), 0.15M NaCl, 40%Glycerol, 0.01% sodium azide and 0.05% BSA.
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Conjugation:
Non-conjugated
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
Publications Citing Use of MedChemExpress (MCE) CD9 Antibody (YA7185)
More
Applications
| Application |
WB
WB: Western Blot
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IHC-P
IHC-P: Immunohistochemistry-Paraffin
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ICC/IF
ICC/IF: Immunocytochemistry/
Immunofluorescence |
IP
IP: Immunoprecipitation
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FC
FC: Flow Cytometry
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| Dilution Ratio | 1:500-1:1000 | 1:50-1:100 | 1:50-1:200 | 1:20 | 1:50-1:100 |
Product Details
CD9 Antibody is a Rabbit-derived and non-conjugated IgG monoclonal antibody, targeting to CD9.
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Host Rabbit
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Clonality Monoclonal,Recombinant
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Species ReactivityHuman, Mouse, Rat
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Observed Molecular WeightObserved band size: 25 kDa
Note: Due to possible protein modifications or aggregation, the molecular weight should be confirmed by actual measurement, and the predicted value is for reference only.
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Calculated Molecular Weight Predicted band size: 25 kDa
Synthetic peptide corresponding to Human CD9.The exact sequence is proprietary to MCE.
affinity purified
Non-conjugated
Unmodified
IgG
Product Properties
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Appearance
Solution
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Formulation
Supplied in Rabbit IgG in 50mM Tris-Glycine(pH 7.4), 0.15M NaCl, 40%Glycerol, 0.01% sodium azide and 0.05% BSA.
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Concentration
Batch-dependent, Please check the COA for the concentration of each lot. Check Lot Concentration
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Shipping
Shipping with blue ice.
Publications (3)
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Journal Impact Factor
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Most Recent
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J Transl Med
Tumor-derived exosomal lncRNA-MIR193BHG promotes bone metastasis of breast cancer by targeting the miR-489-3p/DNMT3A signaling axis in osteoclasts. [Abstract]2025 Jan 31;23(1):142. PMID: 39891171 -
Int J Nanomedicine
Comparison of the Cytotoxicity, Internalization and Anti-Cancer Drug Delivery Efficacy of Nature Killer Cell Derived Nanovesicles and Extracellular Vesicles. [Abstract]2025 Sep 2:20:10683-10700. PMID: 40918949
Verification Images
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Western blot analysis of extracts from Hela(lane2(20μg), MCF-7(lane3(20μg), HepG2(lane4(20μg) and Jurkat(lane5(20μg) using CD9 Antibody (YA7185)(HY-P80610A). Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST at 4°C overnight. The primary antibody (1/800) and Loading control antibody (Beta Actin, HY-P80993, 1/10,000) was used in 5% non-fat milk in TBST for 2 hour at room temperature. Goat Anti-Rabbit IgG-HRP Secondary Antibody (HY-P8001, 1/10,000) was used for 1 hour at room temperature. -
Immunohistochemical analysis of paraffin-embedded human Breast Cancer tissue using CD9 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium. -
Immunohistochemical analysis of paraffin-embedded human Esophageal Carcinoma tissue using CD9 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium. -
Immunohistochemical analysis of paraffin-embedded human ovarian carcinoma tissue using CD9 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium. -
Immunohistochemical analysis of paraffin-embedded human Cervical cancer tissue using CD9 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium. -
Immunohistochemical analysis of paraffin-embedded human Cervical cancer tissue using CD9 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium. -
Immunohistochemical analysis of paraffin-embedded human Tonsil tissue using CD9 antibody was performed. The section was pretreated using high-temperature and high-pressure mediated EDTA antigen retrieval buffer (pH 9.0), for 5 minutes. The tissues were incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃. Detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. The tissues were counterstained with hematoxylin and mounted with neutral balsam mounting medium. -
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Breast Cancer tissue using CD9 antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃ and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium. -
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Breast Cancer tissue using CD9 antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃ and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium. -
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Breast Cancer tissue using CD9 antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃ and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium. -
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Tonsil tissue using CD9 antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃ and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium. -
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Tonsil tissue using CD9 antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃ and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium. -
Tyramide signaling amplification based immunofluorescence was performed on paraffin-embedded human Tonsil tissue using CD9 antibody. Antigen retrieval was performed in EDTA buffer pH 9.0 (95 °C, 20 min) followed by cooling to RT. Then incubated with primary antibody (HY-P80610A, 1:50 dilution) at room temperature for Leave overnight at 4 ℃ and HRP conjugated secondary antibody for 10 minutes. Fluorescence was then developed with Vari Fluor 532 TSA (200×)（HY-D1832）. The tissues were counterstained with DAPI and mounted with Anti-fade mounting medium. -
Flow cytometric analysis of 1X106 HeLa cells labeling CD9 Antibody (HY-P80610A, red). Cells were fixed with 4% paraformaldehyde. Then stained with the primary antibody at 1/50 dilution for an hour at 4℃. AF488-conjugated Goat Anti-Rabbit IgG H&L (HY-P8002) was used as the secondary antibody at 1/1,000 dilution for 30 minutes at 4℃. Rabbit IgG Isotype Control (HY-P80879, blue) was used as the isotype control, cells without incubation with primary antibody were used as the unlabeled control (black). -
Immunocytochemistry analysis of HCT116 cells labeling CD9 with CD9 Antibody (HY-P80610A) 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 quick block buffer for 10 minutes at room temperature. Cells were then incubated with CD9 Antibody (HY-P80610A) at 1/100 dilution in quick block buffer overnight at 4 ℃. AF488-conjugated Goat Anti-Rabbit IgG H&L（HY-P8002, Green) 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. The Nuclear counterstain was DAPI (Blue). -
Immunocytochemistry analysis of MCF-7 cells labeling CD9 with CD9 Antibody (HY-P80610A) 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 quick block buffer for 10 minutes at room temperature. Cells were then incubated with CD9 Antibody (HY-P80610A) at 1/100 dilution in quick block buffer overnight at 4 ℃. AF488-conjugated Goat Anti-Rabbit IgG H&L（HY-P8002, Green) 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. The Nuclear counterstain was DAPI (Blue).
Background
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Function
CD9 methylates (mono- and asymmetric dimethylation) the guanidino nitrogens of arginyl residues in several proteins involved in DNA packaging, transcription regulation, pre-mRNA splicing, and mRNA stability. Recruited to promoters upon gene activation together with histone acetyltransferases from EP300/P300 and p160 families, methylates histone H3 at 'Arg-17' (H3R17me), forming mainly asymmetric dimethylarginine (H3R17me2a), leading to activation of transcription via chromatin remodeling. During nuclear hormone receptor activation and TCF7L2/TCF4 activation, acts synergically with EP300/P300 and either one of the p160 histone acetyltransferases NCOA1/SRC1, NCOA2/GRIP1 and NCOA3/ACTR or CTNNB1/beta-catenin to activate transcription. During myogenic transcriptional activation, acts together with NCOA3/ACTR as a coactivator for MEF2C. During monocyte inflammatory stimulation, acts together with EP300/P300 as a coactivator for NF-kappa-B. Acts as a coactivator for PPARG, promotes adipocyte differentiation and the accumulation of brown fat tissue. Plays a role in the regulation of pre-mRNA alternative splicing by methylation of splicing factors. Also seems to be involved in p53/TP53 transcriptional activation. Methylates EP300/P300, both at 'Arg-2142', which may loosen its interaction with NCOA2/GRIP1, and at 'Arg-580' and 'Arg-604' in the KIX domain, which impairs its interaction with CREB and inhibits CREB-dependent transcriptional activation. Also methylates arginine residues in RNA-binding proteins PABPC1, ELAVL1 and ELAV4, which may affect their mRNA-stabilizing properties and the half-life of their target mRNAs. Acts as a transcriptional coactivator of ACACA/acetyl-CoA carboxylase by enriching H3R17 methylation at its promoter, thereby positively regulating fatty acid synthesis. Independently of its methyltransferase activity, involved in replication fork progression: promotes PARP1 recruitment to replication forks, leading to poly-ADP-ribosylation of chromatin at replication forks and reduced fork speed[1][2][3][4][5].
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Subcellular Localization
Cell membrane; Multi-pass membrane protein; Membrane ; Multi-pass membrane protein; Secreted, extracellular exosome
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Expression
Tissue_specificity:Protein levels were detected in platelets. It is expressed by various hematopoietic cells and epithelial cells. -
Isoforms & Post-Translational Modification
CD9 has an amino acid length of 228, molecular weight is 25416 Da.
Palmitoylated at a low, basal level in unstimulated platelets. The level of palmitoylation increases when platelets are activated by thrombin (in vitro). The protein exists in three forms with molecular masses between 22 and 27 kDa, and is known to carry covalently linked fatty acids. Palmitoylation by ZDHHC2 regulates CD9 expression, association with other tetraspanin family proteins and function in cell adhesion. -
Subunit
Forms both disulfide-linked homodimers and higher homooligomers as well as heterooligomers with other members of the tetraspanin family. Interacts (via the second extracellular domain) with integrin ITGAV:ITGB3. Part of integrin-tetraspanin complexes composed of CD81, beta-1 and beta-2 integrins in the membrane of monocyte/macrophages. Interacts with CD63; identified in a complex with CD63 and ITGB3. Associates with CR2/CD21 and with PTGFRN/CD9P1. Interacts directly with IGSF8. Interacts with PDPN; this interaction is homophilic and attenuates platelet aggregation and pulmonary metastasis induced by PDPN. Interacts (on T cell side) with CD81 at immunological synapses between antigen-presenting cells and T cells.
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SwissProt ID
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Synonyms
CD9; MIC3; TSPAN29; GIG2; CD9 antigen; 5H9 antigen; Cell growth-inhibiting gene 2 protein; Leukocyte antigen MIC3; Motility-related protein; MRP-1; Tetraspanin-29; Tspan-29; p24; CD antigen CD9
Documentation
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Data Sheet (261 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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User Guide for Antibodies (1077 KB)
References
[1]. Li H, et al. Lipopolysaccharide-induced methylation of HuR, an mRNA-stabilizing protein, by CARM1. Coactivator-associated arginine methyltransferase. J Biol Chem. 2002 Nov 22;277(47):44623-30. [Content Brief]
[2]. Miao F, et al. Coactivator-associated arginine methyltransferase-1 enhances nuclear factor-kappaB-mediated gene transcription through methylation of histone H3 at arginine 17. Mol Endocrinol. 2006 Jul;20(7):1562-73. [Content Brief]
[3]. Lakowski TM, et al. Kinetic analysis of human protein arginine N-methyltransferase 2: formation of monomethyl- and asymmetric dimethyl-arginine residues on histone H4. Biochem J. 2009 Jun 26;421(2):253-61. [Content Brief]
[4]. Lee YH, et al. Regulation of coactivator complex assembly and function by protein arginine methylation and demethylimination. Proc Natl Acad Sci U S A. 2005 Mar 8;102(10):3611-6. [Content Brief]
[5]. Genois MM, et al. CARM1 regulates replication fork speed and stress response by stimulating PARP1. Mol Cell. 2021 Feb 18;81(4):784-800.e8. [Content Brief]
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