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Interleukin-6 Murine E. coli

  • Regulatory status:RUO
  • Type:Recombinant protein
  • Source:E. coli
  • Other names:IL-6, Interferon-beta 2, B-cell stimulatory factor 2,HGF
  • Species:Murine
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Cat. No. Size Price


RBG20006002 2 µg
RBG20006010 10 µg
RBG20006100 100 μg
PubMed Product Details
Technical Data

Type

Recombinant protein

Description

IL-6 is a pleiotropic cytokine that plays an important role in host defense by regulating immune and inflammatory responses. Produced by T cells, monocytes, fibroblasts, endothelial cells and keratinocytes, IL-6 has diverse biological functions. It stimulates B cell differentiation and antibody production, synergizes with IL-3 in megakaryocyte development and platelet production, induces expression of hepatic acute-phase proteins, and regulates bone metabolism. IL-6 signals through the IL-6 receptor system that consists of two chains, IL-6R α and gp130. Murine IL-6 is inactive on human cells, while both human and murine are equally active on murine cells. Recombinant Murine IL-6 is a 21.7 kDa protein containing 188 amino acid residues.

Amino Acid Sequence

MFPTSQVRRGDFTEDTTPNRPVYTTSQVGGLITHVLWEIVEMRKELCNGNSDCMNNDDALAENNLKLPEIQRNDGCYQTGYNQEICLLKISSGLLEYHSYLEYMKNNLKDNKKDKARVLQRDTETLIHIFNQEVKDLHKIVLPTPISNALLTDKLESQKEWLRTKTIQFILKSLEEFLKVTLRSTRQT

Source

E. coli

Purity

98%

Biological Activity

The ED50 as determined by the dose-dependent stimulation of the proliferation of IL-6-dependent murine 7TD1 cells is ≤ 0.02 ng/ml, corresponding to a specific activity of ≥ 5×107 units/mg.

Endotoxin

Endotoxin level is <0.1 ng/μg of protein (<1EU/μg).

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1–1.0 mg/ml. Do not vortex. This solution can be stored at 2–8°C for up to 1 week. For extended storage, it is recommended to further dilute with a carrier protein (example 0.1% BSA) and store in working aliquots at –20°C to –80°C.

Storage/Expiration

 –20°C

Summary

Research topic

Cytokines and chemokines and related molecules, Energy metabolism and body weight regulation, Sepsis, Animal studies, COVID-19

Summary

Interleukin-6 is a multi-functional cytokine that regulates immune responses, acute phase reactions and hematopoiesis, and it may play a central role in host defense mechanisms. IL-6 is usually not produced constitutively by normal cells, but its expression is readily induced by a variety of cytokines, lipopolysaccharide or viral infections.

Summary References (7)

References to Interleukin-6

  • Cayphas S, Van Damme J, Vink A, Simpson RJ, Billiau A, Van Snick J. Identification of an interleukin HP1-like plasmacytoma growth factor produced by L cells in response to viral infection. J Immunol. 1987 Nov 1;139 (9):2965-9
  • Hirano T, Akira S, Taga T, Kishimoto T. Biological and clinical aspects of interleukin 6. Immunol Today. 1990 Dec;11 (12):443-9
  • Hirano T, Kishimoto T. Interleukin-6.Handbook of experimental pharmacology, Peptide Growth Factors and Their Receptors. Springer-Verlag. 1990;:633-665
  • Hirano T, Taga T, Nakano N, Yasukawa K, Kashiwamura S, Shimizu K, Nakajima K, Pyun KH, Kishimoto T. Purification to homogeneity and characterization of human B-cell differentiation factor (BCDF or BSFp-2). Proc Natl Acad Sci U S A. 1985 Aug;82 (16):5490-4
  • Koj A. The Role of Interleukin-6 as the Hepatocyte Stimulating Factor in the Network of Inflammatory Cytokines. Annals of the New York Academy. (1989);:557: 1–8
  • Nordan RP, Potter M. A macrophage-derived factor required by plasmacytomas for survival and proliferation in vitro. Science. 1986 Aug 1;233 (4763):566-9
  • Ray A, Tatter SB, Santhanam U, Helfgott DC, May LT, Sehgal PB. Regulation of expression of interleukin-6. Molecular and clinical studies. Ann N Y Acad Sci. 1989;557:353-61; discussion 361-2
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