Human IL-36 alpha /IL-1F6 Antibody

Catalog #: MAB10781 Datasheet / COA / SDS

Recombinant Monoclonal Antibody

Catalog #	Availability	Size / Price	Qty
MAB10781-100
MAB10781-SP

Detection of Human IL‑36 alpha /IL‑1F6 by Western Blot.

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Human IL-36 alpha /IL-1F6 Antibody Summary

Species Reactivity

Human

Specificity

Detects human IL-36 alpha /IL-1F6 in direct ELISAs and Western blots.

Source

Recombinant Monoclonal Rabbit IgG Clone # 1087L

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

E. coli-derived recombinant human IL-36 alpha /IL-1F6
Lys6-Phe158
Accession # Q9UHA7

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.

Label

Unconjugated

Applications

Recommended Concentration

Sample

Western Blot

1 µg/mL

See below

Neutralization

Measured by its ability to neutralize IL‑36 alpha /IL‑1F6-induced IL-8 secretion in the A431 human epithelial carcinoma cell line. The Neutralization Dose (ND₅₀) is typically 0.2-1.2 µg/mL in the presence of 80 ng/mL Recombinant Human IL‑36 alpha /IL‑1F6 (aa 6-158).

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

Western Blot

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Detection of Human IL‑36 alpha /IL‑1F6 by Western Blot. Western blot shows lysates of HEK293T human embryonic kidney cell line transfected with human IL-36a/IL-1F6. PVDF membrane was probed with 1 µg/mL of Rabbit Anti-Human IL-36a/IL-1F6 Monoclonal Antibody (Catalog # MAB10781) followed by HRP-conjugated Anti-Rabbit IgG Secondary Antibody (Catalog # HAF008). A specific band was detected for IL-36a/IL-1F6 at approximately 15 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Neutralization

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Il-8 Secretion Induced by IL‑36 alpha /IL‑1F6 and Neutralization by Human IL‑36 alpha /IL‑1F6 Antibody. Recombinant Human IL-36a/IL-1F6 (aa 6-158) stimulates CXCL8/IL-8 secretion in the A431 human epithelial carcinoma cell line in a dose-dependent manner (orange line), as measured by the Human CXCL8/IL-8 Quantikine ELISA Kit (Catalog # D8000C). CXCL8/ IL-8 secretion elicited by Recombinant Human IL-36a/ IL-1F6 (aa 6-158) (80 ng/mL) is neutralized (green line) by increasing concentrations of Rabbit Anti-Human IL-36a/IL-1F6 Monoclonal Antibody (Catalog # MAB10781). The ND₅₀ is typically 0.2-1.2 µg/mL.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Reconstitute at 0.5 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-36 alpha/IL-1F6

Human IL-36 alpha, previously called IL-1F6 and FIL1 epsilon (family of IL-1 member epsilon), is a member of the IL-1 family which includes IL-1 beta, IL-1 alpha, IL-1ra, IL-18, and novel family members IL-36 Ra (IL-1F5), IL-36 beta (IL-1F8), IL-36 gamma (IL-1F9), IL-37 (IL-1F7) and IL‑38 (IL‑1F10) (1‑4). All family members show a 12 beta ‑strand, beta -trefoil configuration, and are believed to have arisen from a common ancestral gene (1, 2). IL-36 alpha is an 18‑22 kDa, 158 amino acid (aa) intracellular and secreted protein that contains no signal sequence, no prosegment and no potential from N‑linked glycosylation sites (1‑3). It can be released in response to LPS and the cell ATP‑induced activation of the P2X7 receptor (5). A 120 aa isoform missing aa 1‑38 has been reported (6). Human IL‑36 alpha (aa 6 ‑ 158) shares 57‑68% aa sequence identity with mouse, rabbit, equine and bovine IL‑36 alpha and 27‑57% aa sequence identity with other novel IL‑1 family members. IL‑36 alpha is mainly found in skin and lymphoid tissues, but also in fetal brain, trachea, stomach and intestine (1, 3, 7). It is expressed by monocytes, B and T cells (1, 2). The receptor for IL‑36 alpha is a combination of IL‑1 Rrp2 (also called IL1RL2 or IL‑1 R6), mainly found in epithelia and keratinocytes, and the widely expressed IL‑1 RAcP (3, 7). IL-36 alpha, beta, and gamma all activate NF-kappa B and MAPK pathways in an IL‑1 Rrp2 dependent manner, and induce production of inflammatory cytokines and chemokines such as CXCL8/IL-8 (7). IL-36 alpha and other family members are overexpressed in psoriatic skin lesions, and transgenic overexpression of IL‑36 alpha in skin keratinocytes produces epidermal hyperplasia (7‑9). IL-36 alpha is present in kidney tubule epithelia, and it is highly expressed in intubulointerstitial lesions in mouse models of chronic glomerulonephritis, lupus nephritis and diabetic nephritis (10).

References

Smith, D.E. et al. (2000) J. Biol. Chem. 275:1169.
Dunn, E. et al. (2001) Trends Immunol. 22:533.
Barksby, H.E. et al. (2007) Clin. Exp. Immunol. 149:217.
Dinarello, C. et al. (2010) Nat. Immunol. 11:973.
Martin, U. et al. (2009) J. Immunol. 183:4021.
Entrez Accession # EAW73614.
Towne, J.E. et al. (2004) J. Biol. Chem. 279:13677.
Blumberg, H. et al. (2010) J. Immunol. 185:4354.
Johnston, A. et al. (2011) J. Immunol. 186:2613.
Ichii, O. et al. (2010) Lab. Invest. 90:459.

Long Name

Interleukin 36 alpha/Interleukin 1 Family 6

Entrez Gene IDs

27179 (Human); 54448 (Mouse)

Alternate Names

FIL1 epsilon; FIL1; FIL1(EPSILON); FIL1E; IL-1 epsilon; IL1(EPSILON); IL1E; IL-1E; IL-1F6 (FIL-1-epsilon); IL1F6; IL-1F6; IL36 alpha; IL-36 alpha; IL36A; interleukin 1 family, member 6 (epsilon); interleukin 1, epsilon; Interleukin 36, Alpha; Interleukin-1 epsilon; interleukin-1 family member 6; Interleukin-36 Alpha