US and Canada Clinical Anaplasma

Anaplasma are zoonotic obligate intracellular alpha-proteobacteria of the family Anaplasmataceae. Ticks serve as reservoirs and vectors of anaplasmosis while feeding on both humans and animals. The antibody response to infections by Anaplasma phagocytophilum and A. platys is primarily directed against outer-membrane protein antigens and is most often detected using standard IFA and MIF methods. Custom formats containing combinations of these Ehrlichia or Anaplasma antigens can be made available. Call or email your needs.

Our IFA slides contain infected cells in a traditional format, while our 2-antigen MIF (depicted below) pairs purified Anaplasma phagocytophilum with purified Ehrlichia chaffeensis in each slide well.

The MIF format removes the vast majority of host cell cytoplasmic, nuclear and membrane constituents that are common sources of “non-specific” fluorescence. Without the need to penetrate the host cell membrane, the IgM antibody assay has the same incubation timing (30 minutes) as the IgG assay.To produce a distict marix for these antigens, we use a sonicated chicken cell suspension that absorbs the Evans’ blue counterstain. The goal of this approach is to produce a reaction that can be immediately classified as either positive or negative, saving valuable technician time and avoiding erroneous results caused by irrelevant fluorescence.

We highly recommend this MIF format for the accuracy of both IgG and IgM antibody titers. You will not see false-positives nor will you see cross-reactivity with Ehrlichia affecting Anaplasma titers.


 EEG-120  Anaplasma phagocytophilum IFA IgG Kit
 EE-12  A. phagocytophilum 12-well IFA Substrate Slides  ASR
 ANA-12  A. phagocytophilum and A. platys 12-well MIF Slides  ASR
 AP-GC  Anaplasma IgG IFA Control Set  ASR
 AP-MC  Anaplasma IgM IFA Control Set  ASR
 E21-12  Ehrlichia / Anaplasma 2-antigen MIF Slides  ASR
 PGC-25  Working Human IgG Conjugate, 2.5 mL  ASR
 PMC-25  Working Human IgM Conjugate, 2.5 mL  ASR
 MSM-10  MIF IgM Serum Diluent, 10 mL  ASR
 MSD-10  MIF IgG Serum Diluent, 10 mL  ASR