IL 1 Beta Antibody, Biotin

Interleukin-1b, Mouse Anti-Human Biotin
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Description

Key Applications in Research

These antibodies are primarily used in sandwich ELISA, ELISPOT, and flow cytometry to study IL-1β's role in inflammation, autoimmune diseases, and host defense .

Common Pairings for ELISA

  • Capture Antibodies: Purified anti-IL-1β (e.g., CRM56 for human IL-1β)

  • Detection Antibodies: Biotinylated clones (e.g., JK1B-2, CRM57)

  • Standards: Recombinant IL-1β (e.g., 8–1,000 pg/mL dynamic range)

In Vivo Studies

  • Disease Models: Neutralizing IL-1β in mouse models of rheumatoid arthritis and CAPS (cryopyrin-associated periodic syndromes) reduced inflammation .

  • Therapeutic Monitoring: Canakinumab (anti-IL-1β) lowered IL-1β production rates from 31 ng/day to normal levels in CAPS patients .

Mechanistic Insights

  • IL-1β secretion depends on caspase-1-mediated cleavage and non-classical secretion pathways .

  • Autocrine amplification of IL-1β production was observed in CAPS, creating a feedback loop .

Therapeutic Antibody Development

Antibody NameAffinity (KD)Cross-ReactivityClinical Stage
Canakinumab40 pMHuman-specificApproved for CAPS
Novel human mAb*3.2 pMHuman, mouse, NHPPreclinical
Biotinylated CRM57Not reportedHuman, baboonResearch use only

*Novel antibody showed 10× higher potency than canakinumab in neutralizing IL-1β .

Optimization Parameters

  • Biotin:Antibody Ratio: Critical for signal-to-noise ratios; excess biotin causes nonspecific binding .

  • Blocking Buffers: Required to minimize background in streptavidin-HRP systems .

  • Storage: Stable at 4°C for 6 months; avoid freeze-thaw cycles .

Limitations

  • Pro-IL-1β (31 kDa) may cross-react in some assays .

  • Mouse-specific antibodies (e.g., BAF401) show <4% cross-reactivity with rat IL-1β .

Product Specs

Introduction
Interleukin-1 beta (IL-1β) is a cytokine produced by activated macrophages that plays a crucial role in the inflammatory response. IL-1β stimulates thymocyte proliferation by inducing IL-2 release, promotes B-cell maturation and proliferation, and enhances fibroblast growth factor activity. It is recognized as an endogenous pyrogen and has been shown to stimulate the release of prostaglandin and collagenase from synovial cells.
Formulation
The antibody is supplied as a solution with a concentration of 1 mg/ml in phosphate-buffered saline (PBS) after reconstitution.
Shipping Conditions
The antibody is shipped in a lyophilized form at ambient temperature.
Storage Procedures
For long-term storage, the lyophilized antibody should be kept at 4°C in a dry environment. After reconstitution, if not intended for immediate use, it is recommended to aliquot the antibody and store it at -20°C.
Titer
For intracellular staining, use 10 µl of antibody per 1,000,000 cells. For direct ELISA, a 1:10,000 dilution will yield an optical density (O.D.) greater than 1.0 using alkaline phosphatase-conjugated rabbit anti-mouse immunoglobulin G (Jackson Laboratories).
Solubility
To reconstitute the antibody, add sterile water (H2O). Mix gently, ensuring the sides of the vial are washed, and allow 30-60 seconds for complete dissolution before use.
Synonyms
Catabolin, Lymphocyte-activating factor (LAF), Endogenous Pyrogen (EP), Leukocyte Endogenous Mediator (LEM), Mononuclear Cell Factor (MCF), IL1F2, IL-1 beta.
Purification Method
Ion Exchange.
Type
Mouse Anti Human Monoclonal.
Clone
NYR-hIL1b.
Immunogen
r.Human IL-1b.
Ig Subclass
Mouse IgG2b.

Product Science Overview

Background of Mouse Anti-Human Biotin

Mouse Anti-Human Biotin antibodies are monoclonal antibodies developed in mice that are specific to human antigens and conjugated with biotin . Biotin, also known as Vitamin B7, is a ubiquitous co-factor with many properties that make it extremely useful for molecular biology applications .

Applications and Uses

Mouse Anti-Human Biotin antibodies are widely used in various scientific applications, including Western Blot, Immunocytochemistry, Immunohistochemistry, ELISA, and Flow Cytometry . These antibodies can detect human IgG1 and other immunoglobulin isotypes, making them valuable tools for research and diagnostic purposes .

The antibodies are typically purified from tissue culture supernatant or ascites by affinity chromatography and conjugated with biotin under optimal conditions . They are used in sandwich ELISA assays, where biotin-conjugated antibodies serve as detecting antibodies in combination with capture antibodies .

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