New England Biolabs Canada

Product Pathways - Innate Immunity

MSR1 (D8K4E) Rabbit mAb #17275

Item# Description List Price Web Price Qty
17275S MSR1 (D8K4E) Rabbit mAb - 100 µl $372.00
*On-line ordering is for Canadian customers only. Web pricing is applicable only to orders placed online at
Application Dilution Species-Reactivity Sensitivity MW (kDa) Isotype
W Human Endogenous 70-90 Rabbit IgG

Species cross-reactivity is determined by western blot.

Applications Key: W=Western Blotting


Specificity / Sensitivity

MSR1 (D8K4E) Rabbit mAb recognizes endogenous levels of total MSR1 protein.

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Leu319 of human MSR1 protein.

Western Blotting

Western Blotting

Western blot analysis of extracts from THP-1 cells, untreated (-) or stimulated (+) with a combination of treatments as indicated, using MSR1 (D8K4E) Rabbit mAb (upper) and β-Actin (D6A8) Rabbit mAb #8457 (lower).


Macrophage Scavenger receptor types I and II (MSR1, and also known as SCARA1) are members of the class A macrophage scavenger receptor family. These proteins bind large quantities of modified lipoproteins and promote endocytosis. Upregulation of MSR1 in infiltrating myeloid cells may mediate clearance of specific damage signals in response to tissue injury, including ischemic stroke (1). MSR1 germ line mutations are also associated with increased prostate cancer susceptibility in some patient cohorts (2). MSR1 is observed to be upregulated in differentiated THP-1 cells (3).

  1. Shichita, T. et al. (2017) Nat Med 23, 723-32.
  2. Miller, D.C. et al. (2003) Cancer Res 63, 3486-9.
  3. Chen, Y. et al. (2011) Blood 118, 390-400.

Application References

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