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H6291

Sigma-Aldrich

Interleukin-1β human

IL-1β, recombinant, expressed in HEK 293 cells, HumanKine®, suitable for cell culture, endotoxin tested

Synonym(s):

IL-1β, Lymphocyte activating factor

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About This Item

MDL number:
MFCD00131399
UNSPSC Code:
12352202
NACRES:
NA.77

biological source

human

Quality Level

100

recombinant

expressed in HEK 293 cells

Assay

≥95% (SDS-PAGE)

form

lyophilized powder

potency

≤0.05 ng/mL EC50

quality

endotoxin tested

mol wt

dimer 18-25 kDa (glycosylated)

packaging

pkg of 10 μg

technique(s)

cell culture | mammalian: suitable

impurities

<1 EU/μg

UniProt accession no.

P01584

storage temp.

−20°C

Gene Information

human ... IL1B(3553)

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Biochem/physiol Actions

Interleukin-1 (IL-1), originally known as Lymphocyte Activating Factor (LAF), activates T cell lymphocytes, which then proliferate and secrete interleukin-2 (IL-2). IL-1 is released primarily from stimulated macrophages and monocytes, but has also been shown to be released from several other types and is thought to play a key role in inflammatory and immune responses. Other synonyms for IL-1 include: endogenous pyrogen (EP), mitogenic protein (MP), Helper Peak-1 (HP-1), T Cell Replacing Factor III (TRF III or TRFM), B Cell Activating Factor (BAF) and B Cell Differentiation Factor (BDF) The two closely related agents Interleukin-1α (IL-1α) and Interleukin-1β (IL-1β) share 62% homology in amino acid sequence and elicit nearly identical biological responses. IL-1α and IL-1β are both approximately 17 kDa with some heterogeneity in the amount of glycosylation.

Physical form

Lyophilized from a 0.2 μm filtered solution of 1x PBS.

Preparation Note

HumanKine Recombinant Human IL-1β, expressed in human HEK 293 cells, is a glycosylated monomer with a molecular mass of 18-25 kDa. Production in human HEK 293 cells offers authentic glycosylation. Glycosylation contributes to stability in cell growth media and other applications.

Analysis Note

The activity is determined by the dose-dependent stimulation of the proliferation of mouse D10S cells.

Legal Information

HumanKine is a registered trademark of Proteintech Group, Inc. and Humanzyme, Inc

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Charles A Dinarello et al.
Current opinion in endocrinology, diabetes, and obesity, 17(4), 314-321 (2010-07-01)
To understand the role of inflammation as the fundamental cause of type 2 diabetes and specifically to examine the contribution of IL-1beta. Recent studies from animals, in-vitro cultures and clinical trials provide evidence that support a causative role for IL-1beta
J O R Hernandez et al.
Nature communications, 12(1), 6496-6496 (2021-11-13)
The lack of animal models for some human diseases precludes our understanding of disease mechanisms and our ability to test prospective therapies in vivo. Generation of kidney organoids from Tuberous Sclerosis Complex (TSC) patient-derived-hiPSCs allows us to recapitulate a rare
Daniela Guidone et al.
JCI insight (2022-10-12)
The fluid covering the surface of airway epithelia represents a first barrier against pathogens. The chemical and physical properties of the airway surface fluid are controlled by the activity of ion channels and transporters. In cystic fibrosis (CF), loss of

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