CDw108 Antibody | MEM-150

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Attempts to block the MTRAP-Semaphorin-7A interaction has no effect on erythrocyte invasion. (A) Recombinant Semaphorin-7A and MTRAP have no inhibitory effect on erythrocyte invasion. Purified pentamerised Semaphorin-7A or MTRAP were added to P. falciparum erythrocyte invasion assays at concentrations that exceeded the monomeric equilibrium affinity constant by a factor of 10. (B) Monoclonal anti-Semaphorin-7A antibody has no effect on erythrocyte invasion. Monoclonal anti-Semaphorin-7A (MEM-150) and an anti-basigin positive control (MEM-M6/6) were added to P. falciparum erythrocyte invasion assays in increasing concentrations. MEM-M6/6 showed clear inhibition of invasion, whereas MEM-150 had no observable effect. (C) Rabbit polyclonal antibodies against purified monomeric MTRAP and Semaphorin-7A bind native MTRAP and Semaphorin-7A. Erythrocyte ghosts (left blot) and parasite supernatants (right blot) were analysed by Western blot under non-reducing conditions, and detected by incubation with purified polyclonal antibodies, followed by an anti-rabbit-IgG-HRP antibody. The predicted monomer molecular weights of native Semaphorin-7A and MTRAP are 79.3 and 55.6 kDa respectively. The top arrow indicates the dimer and the bottom arrow the monomer of Semaphorin-7A. (D) Polyclonal antibodies against MTRAP and Semaphorin-7A do not inhibit erythrocyte invasion. Purified polyclonal antibodies against MTRAP and Semaphorin-7A were added to P. falciparum erythrocyte invasion assays but did not affect the efficiency of invasion relative to a positive control (anti-AMA-1).

From: Bartholdson SJ, Bustamante LY, Crosnier C, Johnson S, Lea S, et al. (2012) Semaphorin-7A Is an Erythrocyte Receptor for P. falciparum Merozoite-Specific TRAP Homolog, MTRAP. PLoS Pathog 8(11): e1003031.

  • CDw108 Antibody | MEM-150 thumbnail image 1
  • Mouse anti Human CDw108:FITC
(Rated 0.0 out of 5 based on 0 customer reviews)
  • Product Type
    Monoclonal Antibody
  • Clone
  • Isotype
1 Formats Available
    Product CodeApplicationsDatasheetMSDSPack SizeList PriceQuantity
    MCA1877FFdatasheet pdfdatasheet pdf0.1 mg
    Secondary Antibodies
    Negative Isotype Controls
    Useful Reagents
    Positive Controls
    Histology Controls
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    • Mouse anti Human CDw108 antibody, clone MEM-150 recognizes the human CDw108, cell surface antigen, also known as Semaphorin-7A, John-Milton-Hargen human blood group Ag, Semaphorin-K1 or Semaphorin-L. CDw108 is a 666 amino acid ~80 kDa GPI linked glycoprotein containing a single Ig-like C2 type domain and a single SEMA domain.

      CDw108 is expressed by erythrocytes, some T cell lines and some activated lymphocytes.
    • This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.

    • Application NameYesNoMin DilutionMax Dilution
      Flow CytometryNeat

    • Where this antibody has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the antibody for use in their own system using appropriate negative/positive controls.
    • Technical Advice
    • Recommended Protocol
    • Flow Cytometry
      Use 10ul of the suggested working dilution to label 106 cells or 100ul whole blood
    • ELISA
    • Immunohistology
    • Histology Positive Control Tissue
    • Immunofluorescence
    • Western Blotting
    • Instructions For Use

    Additional CDw108 Antibody Formats

    Formats Clone Applications Sizes available
    CDw108 Antibody : FITC MEM-150 F 0.1 mg
    • Copyright © 2017 Bio-Rad Antibodies (formerly AbD Serotec)

    Recommended Secondary Antibody

      Recommended Negative Isotype Control

        Useful Reagents

          Recommended Positive Controls

            Histology Controls


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