TREX1 Antibody #12215
Inquiry Info. # 12215
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Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Endogenous |
| MW (kDa) | 33 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
TREX1 Antibody recognizes endogenous levels of total TREX1 protein.
Species Reactivity:
Human
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro317 of human TREX1 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
TREX1 is a broadly expressed 3’ to 5’ exonuclease that acts on single-stranded DNA (ssDNA) to negatively regulate the interferon-stimulatory DNA (ISD) response (1-4). In humans, there are three TREX1 isoforms generated through alternative splicing with predicted molecular weights of 32, 33, and 39 kDa (2). The transcript for the 33 kDa isoform is the most abundant (2). Mice deficient in TREX1 accumulate intracellular ssDNA, which triggers the ISD response and eventually lethal autoimmunity (3,4). Mutations in TREX1 are associated with autoimmune diseases including Aicardi-Goutieres syndrome and systemic lupus erythematosus (5,6). In addition, TREX1 prevents the cell-intrinsic innate immune response to human immunodeficiency virus (HIV) by digesting excess HIV DNA that would normally trigger induction of type I interferon (7).
- Mazur, D.J. and Perrino, F.W. (1999) J Biol Chem 274, 19655-60.
- Mazur, D.J. and Perrino, F.W. (2001) J Biol Chem 276, 14718-27.
- Yang, Y.G. et al. (2007) Cell 131, 873-86.
- Stetson, D.B. et al. (2008) Cell 134, 587-98.
- Crow, Y.J. et al. (2006) Nat Genet 38, 917-20.
- Lee-Kirsch, M.A. et al. (2007) Nat Genet 39, 1065-7.
- Yan, N. et al. (2010) Nat Immunol 11, 1005-13.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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