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HOME > Product search results > Code No. MEX003-6 Anti-CD81 (TAPA1) mAb-Biotin

Code No. MEX003-6

Anti-CD81 (TAPA1) mAb-Biotin

Availability (in Japan)


(In Japan at 00:05,
Nov 20, 2018 in JST)


50 µg/50 µL

  • Western Blotting

  • Flow Cytometry





Clonality Monoclonal Clone A103-10
Isotype (Immunized Animal) Mouse IgG2aκ
1 µg/mL  
5-10 µg/mL  
Can be used. Please refer to ExoDiluent for Immunoassay (MEX1001)together.  
Other(Exosome isolation)
Can be used. Please refer to ExoCap™ Streptavidin Kit (MEX-SA)together.  
Immunogen (Antigen) Human prostate carcinoma cell line (PC3) derived exosomes (prepared by ultracentrifugation from cultured supernatant)
Reactivity [Gene ID]

Human[975], Mouse(-)

Storage buffer 1 mg/mL in PBS/1% BSA/0.1% ProClin 950
Storage temp. 4°C Conjugate Biotin Manufacturer MBL
Alternative names CVID6, S5.7, TAPA1, TSPAN28
Background CD81 antigen, also known as TAPA1, is a tetraspanin characterized by four transmembrane domains and a member of the transmembrane 4 superfamily. CD81 has broad tissue distribution and may play multiple roles in a variety of cellular processes such as immune response and tumorigenesis, but its function has not been elucidated entirely. It is reported that the tetraspanins CD9, CD63 and CD81 are highly enriched on a certain type of extracellular vesicles, called exosome. Because of various exosome features, CD81, one of the representative exosome surface proteins, is thought to be related to cell-cell communication.
Related products MEX001-6 Anti-CD9 mAb-Biotin
MEX002-6 Anti-CD63 (LAMP-3) mAb-Biotin
D252-5 Anti-CD9 (Human) mAb-PE
D131-3 Anti-CD9 (Mouse) mAb
D131-4 Anti-CD9 (Mouse) mAb-FITC
D263-3 Anti-CD63 (LAMP-3) (Mouse) mAb
D269-3 Anti-EpCAM (CD326) (Mouse) mAb
D252-3 Anti-CD9 (Human) mAb
M076-6 Mouse IgG2a (isotype control)-Biotin
MEX-E ExoCap™ Nucleic Acid Elution Buffer
MEX002-3 Anti-CD63 (LAMP-3) mAb
MEX003-3 Anti-CD81 (TAPA1) mAb
MEX003-6 Anti-CD81 (TAPA1) mAb-Biotin
MEX004-6 Anti-CD326 (EpCAM) mAb-Biotin
3190 Magnetic Rack
MEX1001 ExoDiluent for Immunoassay
MEX001-3 Anti-CD9 mAb
MEX-SA ExoCap™ Streptavidin Kit
MEX001-4 Anti-CD9 mAb-FITC
MEX002-4 Anti-CD63 (LAMP-3) mAb-FITC
MEX003-4 Anti-CD81 (TAPA1) mAb-FITC
MEX001-12 Anti-CD9 mAb-ALP
MEX002-12 Anti-CD63 (LAMP-3) mAb-ALP
MEX003-12 Anti-CD81 (TAPA1) mAb-ALP
MEX-USB ExoCap™ Ultracentrifugation/Storage Booster
MEX-SA123 ExoCap™ Streptavidin CD9/CD63/CD81 Set
MEX123-60 Exosome CD9/CD63/CD81 mAb Set-Biotin
  1. Simons M, Raposo G. Exosomes--vesicular carriers for intercellular communication. Curr Opin Cell Biol. 21, 575-81 (2009)(PMID: 19442504
  2. Pols MS, Klumperman J. Trafficking and function of the tetraspanin CD63. Exp Cell Res. 315, 1584-92 (2009)(PMID: 18930046
  3. Yoshioka Y et al. Ultra-sensitive liquid biopsy of circulating extracellular vesicles using ExoScreen. Nat Commun. 5, 3591 (2014)(PMID: 24710016
  4. Melo SA et al. Glypican-1 identifies cancer exosomes and detects early pancreatic cancer. Nature 523, 177-82 (2015)(PMID: 26106858
Product category
Research area
RNA-RNP Network
Cell surface antigens

  • The availability is based on the information in Japan at 00:05, Nov 20, 2018 in JST.
  • The special price is shown in red color.
  • Please note that products cannot be ordered from this website. To purchase the items listed in this website, please contact us or local distributers.
  • Abbreviations for applications:
    WB: Western Blotting, IH: Immunohistochemistry, IC: Immunocytochemistry, IP: Immunoprecipitation
    FCM: Flow Cytometry, NT: Neutralization, IF: Immunofluorescence, RIP: RNP Immunoprecipitation
    ChIP: Chromatin Immunoprecipitation, CoIP: Co-Immunoprecipitation
  • For applications and reactivity:
    *: The use is reported in a research article (Not tested by MBL). Please check the data sheet for detailed information.
    **: The use is reported from the licenser (Under evaluation or not tested by MBL).
  • For storage temparature: RT: room temparature
  • Please note that products in this website might be changed or discontinued without notification in advance for quality improvement.