IRAK4 / IRAK-4

interleukin-1 receptor-associated kinase 4

Serine/threonine-protein kinase that plays a critical role in initiating innate immune response against foreign pathogens. Involved in Toll-like receptor (TLR) and IL-1R signaling pathways. Is rapidly recruited by MYD88 to the receptor-signaling complex upon TLR activation to form the Myddosome together with IRAK2. Phosphorylates initially IRAK1, thus stimulating the kinase activity and intensive autophosphorylation of IRAK1. Phosphorylates E3 ubiquitin ligases Pellino proteins (PELI1, PELI2 and PELI3) to promote pellino-mediated polyubiquitination of IRAK1. Then, the ubiquitin-binding domain of IKBKG/NEMO binds to polyubiquitinated IRAK1 bringing together the IRAK1-MAP3K7/TAK1-TRAF6 complex and the NEMO-IKKA-IKKB complex. In turn, MAP3K7/TAK1 activates IKKs (CHUK/IKKA and IKBKB/IKKB) leading to NF-kappa-B nuclear translocation and activation. Alternatively, phosphorylates TIRAP to promote its ubiquitination and subsequent degradation. Phosphorylates NCF1 and regulates NADPH oxidase activation after LPS stimulation suggesting a similar mechanism during microbial infections.

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Products

ELISA Kits (2)

Type

Sandwich (2)

Target

IRAK4 / IRAK-4 (2)

Reactivity

Human (1)

Rat (1)

Format

96-Well Strip Plate (2)

Publications

No (2)

Sample Type

Cell Lysates (1)

Tissue Homogenates (2)

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Human IRAK4 / IRAK-4 (Sandwich ELISA) ELISA Kit - LS-F4782

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Human

Range:

1.56 - 100 ng/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Cell Lysates, Tissue Homogenates

Price:

1 Plate/$798

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Rat IRAK4 / IRAK-4 (Sandwich ELISA) ELISA Kit - LS-F8523

Type:

Sandwich

Format:

96-Well Strip Plate

Reactivity:

Rat

Range:

15.63 - 1000 pg/ml

Detection:

Colorimetric - 450nm (TMB)

Sample Types:

Tissue Homogenates

Price:

1 Plate/$856

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