IL-1 alpha/IL-1F1 Antibody (4414R) [Unconjugated] Summary
Recombinant Monoclonal Antibody.
E. coli-derived recombinant human IL‑1 alpha /IL‑1F1
Accession # P01583
Detects human IL‑1 alpha /IL‑1F1 in ELISAs and western blots.
In ELISAs, this antibody does not cross-react with recombinant human (rh) IL-1 beta, -2, -3, -4, -5, -6, -7, -8, -9, -10, -11, -12, -13, rmIL-1 alpha, -1 beta, -3, -4, -5, -6, -7, -9, or -13.
<0.10 EU per 1 μg of the antibody by the LAL method.
Test in a species/application not listed above to receive a full credit towards a future purchase.
- ELISA Capture (Matched Antibody Pair) 2-8 ug/mL
- ELISA Detection (Matched Antibody Pair) 0.1-0.4 ug/mL
- Immunocytochemistry 8-25 ug/mL
- Neutralization 0.05-0.15 ug/mL
- ELISA Standard (Matched Pair)
Packaging, Storage & Formulations
|Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Reconstitute at 0.5 mg/mL in sterile PBS.
This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.
Alternate Names for IL-1 alpha/IL-1F1 Antibody (4414R) [Unconjugated]
- IL1 alpha
- IL-1 alpha
- interleukin 1, alpha
- interleukin-1 alpha
- preinterleukin 1 alpha
Interleukin 1 (IL-1) is a name that designates two proteins, IL-1 alpha and IL-1 beta, which are the products of distinct genes, but which show approximately 25% amino acid sequence identity and which recognize the same cell surface receptors. Although IL-1 production is generally considered to be a consequence of inflammation, recent evidence suggests that IL-1 is also temporarily upregulated during bone formation and the menstrual cycle and can be induced in response to nervous system stimulation. In response to classic stimuli produced by inflammatory agents, infections or microbial endotoxins, a dramatic increase in the production of IL-1 by macrophages and various other cells is seen. Cells in particular known to produce IL-1 include osteoblasts, monocytes, macrophages, keratinocytes, Kupffer cells, hepatocytes, thymic and salivary gland epithelium, Schwann cells, fibroblasts, and glia (oligodendroglia, astrocytes, and microglia).
IL-1 alpha and IL-1 beta are both synthesized as 31 kDa precursors that are subsequently cleaved into proteins with molecular weights of approximately 17,000 Da. Neither precursor contains a typical hydrophobic signal peptide sequence and most of the precursor form of IL-1 alpha remains in the cytosol of cells, although there is evidence for a membrane-bound form of the precursor form of IL-1 alpha. The IL-1 alpha precursor reportedly shows full biological activity in the EL-4 assay. Among various species, the amino acid sequence of mature IL-1 alpha is conserved 60% to 70% and human IL-1 has been found to be biologically active on murine cell lines. Both forms of IL-1 bind to the same receptors, designated type I and type II. Evidence suggests that only the type I receptor is capable of signal transduction and that the type II receptor may function as a decoy, binding IL-1 and thus preventing binding of IL-1 to the type I receptor.
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed
for 1 year from date of receipt.
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