Cotton Rat IL-6 Antibody

Catalog #: AF561
2 Citations Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
AF561
AF561-SP

Cell Proliferation Induced by IL‑6 and Neutralization by Cotton Rat IL‑6 Antibody.

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All IL-6 Antibodies

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Citations (2)

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Cotton Rat IL-6 Antibody Summary

Species Reactivity

Cotton Rat

Specificity

Detects cotton rat IL-6 in direct ELISAs and Western blots. In direct ELISAs, approximately 20% cross‑reactivity with recombinant mouse IL-6 and recombinant rat IL-6 is observed and less than 5% cross-reactivity with recombinant porcine IL-6 and recombinant human IL-6 is observed.

Source

Polyclonal Goat IgG

Purification

Antigen Affinity-purified

Immunogen

E. coli-derived recombinant cotton rat IL‑6
Leu25-Asn212
Accession # AAL18819

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Endotoxin Level

<0.10 EU per 1 μg of the antibody by the LAL method.

Applications

Recommended Concentration

Sample

Western Blot

0.1 µg/mL

Recombinant Cotton Rat IL‑6 (Catalog # 561-R6)

Neutralization

Measured by its ability to neutralize IL‑6-induced proliferation in the T1165.85.2.1 mouse plasmacytoma cell line. Nordan, R. P. and M. Potter (1986) Science 233:566. The Neutralization Dose (ND₅₀) is typically 0.03-0.12 µg/mL in the presence of 0.25 ng/mL Recombinant Cotton Rat IL‑6.

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Neutralization

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Cell Proliferation Induced by IL‑6 and Neutralization by Cotton Rat IL‑6 Antibody. Recombinant Cotton Rat IL-6 (Catalog # 561-R6) stimulates proliferation in the T1165.85.2.1 mouse plasmacytoma cell line in a dose-dependent manner (orange line). Proliferation elicited by Recombinant Cotton Rat IL-6 (0.25 ng/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Cotton Rat IL-6 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF561). The ND₅₀ is typically 0.03-0.12 µg/mL.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.2 mg/mL in sterile PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

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.

Background: IL-6

Interleukin 6 (IL-6) is a pleiotropic alpha -helical cytokine that plays important roles in acute phase reactions, inflammation, hematopoiesis, bone metabolism, and cancer progression. IL-6 activity is central to the transition from acute inflammation to either acquired immunity or chronic inflammatory disease. It is secreted by multiple cell types as a 22 kDa‑28 kDa phosphorylated and variably glycosylated molecule (1‑4). Mature cotton rat IL-6 is 186 amino acids (aa) in length and shares 39%, 70%, and 75% aa sequence identity with human, mouse, and rat IL-6 (5). IL-6 induces signaling through a cell surface heterodimeric receptor complex composed of a ligand binding subunit (IL-6 R) and a signal transducing subunit (gp130). IL-6 binds to IL-6 R, triggering IL-6 R association with gp130 and gp130 dimerization (6). gp130 is also a component of the receptors for CLC, CNTF, CT-1, IL-11, IL-27, LIF, and OSM (7). Soluble forms of IL-6 R are generated by both alternate splicing and proteolytic cleavage (3). In a mechanism known as trans-signaling, complexes of soluble IL-6 and IL-6 R elicit responses from gp130-expressing cells that lack cell surface IL-6 R (3). Trans-signaling enables a wider range of cell types to respond to IL-6, as the expression of gp130 is ubiquitous while that of IL-6 R is predominantly restricted to hepatocytes, leukocytes, and lymphocytes (3). Soluble splice forms of gp130 block trans-signaling from IL-6/IL-6 R but not from other cytokines that utilize gp130 as a coreceptor (4, 8).

References

Van Snick, J. (1990) Annu. Rev. Immunol. 8:253.
Hodge, D.R. et al. (2005) Eur. J. Cancer 41:2502.
Jones, S.A. (2005) J. Immunol. 175:3468.
Rose-John, S. et al. (2006) J. Leukoc. Biol. 80:227.
Accession # AAL11819.
Murakami, M. et al. (1993) Science 260:1808.
Muller-Newen, G. (2003) Sci. STKE 2003:PE40.
Mitsuyama, K. et al. (2006) Clin. Exp. Immunol. 143:125.

Long Name

Interleukin 6

Entrez Gene IDs

3569 (Human); 16193 (Mouse); 24498 (Rat); 399500 (Porcine); 280826 (Bovine); 403985 (Canine); 102138971 (Cynomolgus Monkey); 100034196 (Equine); 493687 (Feline); 463288 (Primate); 100008733 (Rabbit)

Alternate Names

B-cell differentiation factor; B-cell stimulatory factor 2; BSF2; BSF-2; CDF; CTL differentiation factor ; HSF; hybridoma growth factor; IFNB2; IFN-beta-2; IL6; IL-6; Interferon beta-2; interleukin 6 (interferon, beta 2); interleukin BSF-2; interleukin-6; MGI-2A

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Product Datasheet

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Citations for Cotton Rat IL-6 Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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