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NFKB1 / NF-Kappa-B

nuclear factor of kappa light polypeptide gene enhancer in B-cells 1

NF-kappa-B is a pleiotropic transcription factor present in almost all cell types and is the endpoint of a series of signal transduction events that are initiated by a vast array of stimuli related to many biological processes such as inflammation, immunity, differentiation, cell growth, tumorigenesis and apoptosis. NF-kappa-B is a homo- or heterodimeric complex formed by the Rel-like domain-containing proteins RELA/p65, RELB, NFKB1/p105, NFKB1/p50, REL and NFKB2/p52 and the heterodimeric p65-p50 complex appears to be most abundant one. The dimers bind at kappa-B sites in the DNA of their target genes and the individual dimers have distinct preferences for different kappa-B sites that they can bind with distinguishable affinity and specificity. Different dimer combinations act as transcriptional activators or repressors, respectively. NF-kappa-B is controlled by various mechanisms of post-translational modification and subcellular compartmentalization as well as by interactions with other cofactors or corepressors. NF-kappa-B complexes are held in the cytoplasm in an inactive state complexed with members of the NF-kappa-B inhibitor (I-kappa-B) family. In a conventional activation pathway, I-kappa-B is phosphorylated by I-kappa-B kinases (IKKs) in response to different activators, subsequently degraded thus liberating the active NF-kappa-B complex which translocates to the nucleus. NF-kappa-B heterodimeric p65-p50 and RelB-p50 complexes are transcriptional activators. The NF-kappa-B p50-p50 homodimer is a transcriptional repressor, but can act as a transcriptional activator when associated with BCL3. NFKB1 appears to have dual functions such as cytoplasmic retention of attached NF-kappa-B proteins by p105 and generation of p50 by a cotranslational processing. The proteasome-mediated process ensures the production of both p50 and p105 and preserves their independent function, although processing of NFKB1/p105 also appears to occur post-translationally. p50 binds to the kappa-B consensus sequence 5'-GGRNNYYCC-3', located in the enhancer region of genes involved in immune response and acute phase reactions. In a complex with MAP3K8, NFKB1/p105 represses MAP3K8-induced MAPK signaling; active MAP3K8 is released by proteasome-dependent degradation of NFKB1/p105.

Gene Name: nuclear factor of kappa light polypeptide gene enhancer in B-cells 1
Family/Subfamily: Apoptosis , not assigned-Other
Synonyms: NFKB1, Ebp- 1, EBP-1, NF-KappaB p50, NFkappaB, NFKB-p50, KBF1, NF-kappa-B, NF-kappaB, NF-kB1, NFKB-p105, p105, p50, DNA binding factor KBF1, DNA-binding factor KBF1, NF-kappabeta
Target Sequences: NM_003998 NP_003989.2 P19838

Publications (8)

1
Transcriptional regulation of parathyroid hormone-related protein promoter P2 by NF-kappaB in adult T-cell leukemia/lymphoma. Nadella MV, Dirksen WP, Nadella KS, Shu S, Cheng AS, Morgenstern JA, Richard V, Fernandez SA, Huang TH, Guttridge D, Rosol TJ. Leukemia. 2007 21:1752-62. (WB) [PubMed:17554373] [PMC:PMC2676796]
2
Requirement for both JAK-mediated PI3K signaling and ACT1/TRAF6/TAK1-dependent NF-kappaB activation by IL-17A in enhancing cytokine expression in human airway epithelial cells. Huang F, Kao CY, Wachi S, Thai P, Ryu J, Wu R. Journal of immunology (Baltimore, Md. : 1950). 2007 179:6504-13. [PubMed:17982039] Related Antibodies: LS-B1668.
3
Requirements for two proximal NF-kappaB binding sites and IkappaB-zeta in IL-17A-induced human beta-defensin 2 expression by conducting airway epithelium. Kao CY, Kim C, Huang F, Wu R. The Journal of biological chemistry. 2008 283:15309-18. [PubMed:18362142] [PMC:PMC2397472] Related Antibodies: LS-B1668.
4
Nuclear factor-B contributes to neuron-dependent induction of glutamate transporter-1 expression in astrocytes. Ghosh M, Yang Y, Rothstein JD, Robinson MB. The Journal of neuroscience : the official journal of the Society for Neuroscience. 2011 31:9159-69. [PubMed:21697367] [PMC:PMC3138498] Related Antibodies: LS-B716.
5
NF-B regulates MICA gene transcription in endothelial cell through a genetically inhibitable control site. Lin D, Lavender H, Soilleux EJ, O'Callaghan CA. The Journal of biological chemistry. 2012 287:4299-310. [PubMed:22170063] [PMC:PMC3281736] Related Antibodies: LS-B1668.
6
Time course of microglia activation and brain and blood cytokine/chemokine levels following chronic ethanol exposure and protracted withdrawal in rats. Manuel Sanchez-Alavez, William Nguyen, Simone Mori, Derek N Wills, Dennis Otero, Cindy L Ehlers, Bruno Conti. Alcohol (Fayetteville, N.Y.). 2019 May;76:37-45. [Full Text Article] [PubMed:30554034] [PMC:PMC6336521]
7
Pre- and Neonatal Exposure to Lead (Pb) Induces Neuroinflammation in the Forebrain Cortex, Hippocampus and Cerebellum of Rat Pups. Karina Chibowska, Jan Korbecki, Izabela Gutowska, Emilia Metryka, Maciej Tarnowski, Marta Goschorska, Katarzyna Barczak, Dariusz Chlubek, Irena Baranowska-Bosiacka. International journal of molecular sciences. 2020 February;21: [Full Text Article] [PubMed:32041252] [PMC:PMC7037720]
8
1,25-dihydroxyvitamin D3 impairs NF- kappa B activation in human naïve B cells. Geldmeyer-Hilt K, Heine G, Hartmann B, Baumgrass R, Radbruch A, Worm M. Biochemical and biophysical research communications. 2011 Apr;407:699-702. [Full Text Article] [PubMed:21420936] Related Antibodies: LS-B1668.
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NFKB1 / NF-Kappa-B ELISA Kit
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96-Well Strip Plate
Dog
0.312 - 20 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum
1 Plate/$783
NFKB1 / NF-Kappa-B ELISA Kit
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96-Well Microplate
Rat
0.16 - 10 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum
1 Plate/$586
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12 x 8-Well Microstrips
Human
Colorimetric - 450nm (TMB)
Cell Lysates, Nuclear Lysates
1 Plate/$735
NFKB1 / NF-Kappa-B ELISA Kit
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96-Well Strip Plate
Mouse
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum
1 Plate/$669
NFKB1 / NF-Kappa-B ELISA Kit
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96-Well Microplate
Human
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum
1 Plate/$586
NFKB1 / NF-Kappa-B ELISA Kit
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96-Well Strip Plate
Rat
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum
1 Plate/$669
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12 x 8-Well Microstrips
Human
31.25 - 2000 pg/ml
Chemiluminescent
Plasma, Serum
1 Plate/$656
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DNA Binding
12 x 8-Well Microstrips
Mouse, Human, Rat
Colorimetric - 450nm (TMB)
Cell Lysates, Nuclear Lysates
1 Plate/$694
NFKB1 / NF-Kappa-B ELISA Kit
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Cell-Based
96-Well Microplate
Mouse, Human
Colorimetric - 450nm (TMB)
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1 Plate/$534
NFKB1 / NF-Kappa-B ELISA Kit
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Cell-Based Phosphorylation
96-Well Microplate
Mouse, Human
Colorimetric - 450nm (TMB)
Adherent Cell Cultures
1 Plate/$668
NFKB1 / NF-Kappa-B ELISA Kit
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Cell-Based Phosphorylation
96-Well Microplate
Mouse, Human
Colorimetric - 450nm (TMB)
Adherent Cell Cultures
1 Plate/$668
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Human
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Cell Lysates, Tissue Homogenates
1 Plate/$798
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Chicken
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Cell Lysates, Tissue Homogenates
1 Plate/$750
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Rat
0.313 - 20 ng/ml
Colorimetric - 450nm (TMB)
Cell Lysates, Tissue Homogenates
1 Plate/$750
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Mouse
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Cell Lysates, Tissue Homogenates
1 Plate/$705
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Mouse
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum, Tissue Homogenates
1 Plate/$579
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Human
0.312 - 20 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum, Tissue Homogenates
1 Plate/$579
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Rat
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
Plasma, Serum, Tissue Homogenates
1 Plate/$579
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich CLIA
12 x 8-Well Microstrips
Human
31.25 - 2000 pg/ml
Chemiluminescent
Plasma, Serum
1 Plate/$656
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich CLIA
12 x 8-Well Microstrips
Mouse
31.25 - 2000 pg/ml
Chemiluminescent
Plasma, Serum
1 Plate/$656
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Chicken
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
1 Plate/$656
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Monkey
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
1 Plate/$656
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Porcine
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
1 Plate/$656
NFKB1 / NF-Kappa-B ELISA Kit
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Sandwich
96-Well Strip Plate
Monkey
0.156 - 10 ng/ml
Colorimetric - 450nm (TMB)
1 Plate/$656
NFKB1 / NF-Kappa-B ELISA Kit
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Development Kit
Antibody Pair and Standard
Rat
0.625 - 40 ng/ml
Colorimetric - 450nm (TMB)
Cell Culture Supernatants, Cell Lysates, Tissue Homogenates
500 Wells/$1,305; 1000 Wells/$1,952
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The data on this page has been compiled from LifeSpan internal sources, the National Center for Biotechnology Information (NCBI), and The Universal Protein Resource (UniProt).