Nampt (Visfatin/PBEF) (human) (rec.) (His)

AdipoGen Life Sciences
Product Code: AG-40A-0018
Product Group: Recombinant Proteins
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AG-40A-0018-C05050 ug£330.00
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Overview

Host Type: E.coli
Regulatory Status: RUO
Target Species: Human
Shipping:
Blue Ice
Storage:
-20°C

Images

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Measurement of NAMPT enzymatic activity was performed as described previously [G.C. Elliott, et al.; Anal Biochem 107, 199 (1980)]. The recombinant Nampt was diluted in assay buffer and 10?l per 50?l reaction mix were applied in the reaction mix (20

Measurement of NAMPT enzymatic activity was performed as described previously [G.C. Elliott, et al.; Anal Biochem 107, 199 (1980)]. The recombinant Nampt was diluted in assay buffer and 10?l per 50?l reaction mix were applied in the reaction mix (20

Further Information

Alternate Names/Synonyms:
Pre-B Cell Colony Enhancing Factor 1; PBEF1; Nicotinamide Phosphoribosyltransferase
Biological Activity:
Shows adipogenic effects in stimulated differentiating 3T3-L1 cells.
EClass:
32160000
Endotoxin:
<1EU/µg purified protein (LAL test; Lonza).
Form (Short):
solid
Formulation:
Lyophilized.
Handling Advice:
After reconstitution, prepare aliquots and store at -20°C.Avoid freeze/thaw cycles.Centrifuge lyophilized vial before opening and reconstitution.
Long Description:
Protein. Intracellular human Nampt (visfatin/PBEF) (aa 1-491) is fused at the C-terminus to a His-tag. Source: E. coli. Endotoxin content: <1EU/µg purified protein (LAL test; Lonza). Lyophilized. Salt-free. Purity: >90% (SDS-PAGE). Nicotinamide phosphoribosyltransferase (Nampt; pre-B cell colony-enhancing factor; PBEF; Visfatin) is an 52kDa adipokine secreted by adipose tissue and involved in the biosynthesis of nicotinamide adenine dinucleotide (NAD+). Two forms of Nampt exist, an intracellular form (iNampt) and an extracellular form (eNampt). While the function of iNampt as an essential and rate-limiting NAD+ biosynthetic enzyme is well established, the physiological role of eNampt is still a matter of debate. Nampt has various functions, including the promotion of vascular smooth muscle cell maturation and inhibition of neutrophil apoptosis. It activates insulin receptor and has insulin-mimetic effects, lowering blood glucose and improving insulin sensitivity. The protein is highly expressed in visceral fat and serum levels of the protein correlate with obesity.
Molecular Weight:
~52kDa (SDS-PAGE)
NCBI, Uniprot Number:
P43490
Package Type:
Plastic Vial
Product Description:
Nicotinamide phosphoribosyltransferase (Nampt; pre-B cell colony-enhancing factor; PBEF; Visfatin) is an 52kDa adipokine secreted by adipose tissue and involved in the biosynthesis of nicotinamide adenine dinucleotide (NAD+). Two forms of Nampt exist, an intracellular form (iNampt) and an extracellular form (eNampt). While the function of iNampt as an essential and rate-limiting NAD+ biosynthetic enzyme is well established, the physiological role of eNampt is still a matter of debate. Nampt has various functions, including the promotion of vascular smooth muscle cell maturation and inhibition of neutrophil apoptosis. It activates insulin receptor and has insulin-mimetic effects, lowering blood glucose and improving insulin sensitivity. The protein is highly expressed in visceral fat and serum levels of the protein correlate with obesity.
Purity:
>90% (SDS-PAGE)
Sequence:
Intracellular human Nampt (visfatin/PBEF) (aa 1-491) is fused at the C-terminus to a His-tag.
Source / Host:
E. coli
TAGs:
His
Transportation:
Non-hazardous
UNSPSC Category:
Other Proteins
UNSPSC Number:
12352202
Use & Stability:
Stable for at least 6 months after receipt when stored at -20°C. Working aliquots are stable for up to 3 months when stored at -20°C.

References

Visfatin is present in bovine mammary epithelial cells, lactating mammary gland and milk, and its expression is regulated by cAMP pathway: T. Yonezawa, et al.; FEBS Lett. 580, 6635 (2006) | Molecular characteristics of serum visfatin and differential detection by immunoassays: A. Körner, et al.; J. Clin. Endocrinol. Metab. 92, 4783 (2007) Lack of direct insulin-like action of visfatin/Nampt/PBEF1 in human adipocytes: E. Wanecq, et al.; J. Physiol. Biochem. 65, 351 (2009) | Expression and regulation of nampt in human islets: K. Kover, et al.; PLoS One 8, e58767 (2013) | Nicotinamide phosphoribosyltransferase (NAMPT/PBEF/visfatin) is a tumoural cytokine released from melanoma: A.A. Grolla, et al.; Pigment Cell Melanoma Res. 28, 718 (2015)