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Human Visfatin PharmaGenie ELISA Kit (SBRS0181)

SKU:
SBRS0181
Product Type:
ELISA Kit
Reactivity:
Human
Applications:
ELISA
ELISA Type:
Competitive
€649
Frequently bought together:

Description

Human Visfatin PharmaGenie ELISA Kit (SBRS0181)

Product SKU:SBRS0181
Size:96T
Application:Cross Reactivity: This ELISA kit shows no cross-reactivity with any of the cytokines tested: Ghrelin, Nesfatin, NPY and APC.
Uniprot:P43490
Gene ID:10135
Gene Names:NAMPT / PBEF / PBEF1
Synonyms:Nicotinamide phosphoribosyltransferase (NAmPRTase) (Nampt) (EC 2.4.2.12) (Pre-B-cell colony-enhancing factor 1) (Pre-B cell-enhancing factor) (Visfatin)
Target Species:Human
Compatible Sample Types:Serum
Design Principle:Competition-based
Method of Detection:Colorimetric
Quantitative/Semi-Quantitative:Quantitative
Range:0.1-1,000 ng/ml
Sensitivity:0.778 ng/ml or 6.82 pM
Recommended Dilution:Human: 4X
Storage/Stability:Standard, Biotinylated Visfatin peptide, and Positive Control should be stored at -20°C after arrival. Avoid multiple freeze-thaws. The remaining kit components may be stored at 4°C. Opened Microplate Wells and antibody (Item N) may be stored for up to 1 month at 2 to 8°C. Return unused wells to the pouch containing desiccant pack and reseal along entire edge.
  1. Pre-Coated 96-well Strip Microplate
  2. Wash Buffer
  3. Standard Peptide
  4. Assay Diluent(s)
  5. Biotinylated Peptide
  6. HRP-Streptavidin
  7. TMB One-Step Substrate
  8. Stop Solution
  9. Assay Diagram
  10. Positive Control Sample
  11. Capture Antibody
  12. Technical Manual

Other materials and equipment required:

The Assay Genie Human Visfatin PharmaGenie ELISA Kit (SBRS0181) will require other equipment and materials to carry out the assay. Please see list below for further details.

  • Distilled or deionized water
  • Precision pipettes to deliver 2 ul to 1 ml volumes
  • Adjustable 1-25 ml pipettes for reagent preparation
  • 100 ml and 1 liter graduated cylinders
  • Tubes to prepare standard and sample dilutions
  • Orbital shaker
  • Aluminum foil
  • Saran Wrap
  • Absorbent paper
  • Microplate reader capable of measuring absorbance at 450nm
  • SigmaPlot software (or other software that can perform four-parameter logistic regression models)
  1. Prepare all reagents, samples and standards as instructed.
  2. Add 100 ul detection antibody to each well.
  3. Incubate 1.5 h at RT or O/N at 4°C.
  4. Add 100 ul standard or sample to each well.
  5. Incubate 2.5 h at RT.
  6. Add 100 ul prepared streptavidin solution.
  7. Incubate 45 min at RT.
  8. Add 100 ul TMB One-Step Substrate Reagent to each well.
  9. Incubate 30 min at RT.
  10. Add 50 ul Stop Solution to each well.
  11. Read plate at 450 nm immediately.

Obesity, which is characterized by excessive accumulation of adipose tissue in the body, has become one of the greatest public health challenges. Obesity is not only associated with health problems linked to increased weight-dependent pressure overload on lung, joints and bones, but also a important risk factor for life-threatening diseases such as cardiovascular diseases, type 2 diabetes and certain cancers. Visfatin, an adipokine that is highly enriched in the visceral fat, has increased expression level in plasma during the development of obesity, implying its important role in obesity. Visfatin (also known as PBEF and Nampt), a 52 kDa cytoplasmic protein composed of 473-amino acids, is expressed primarily in bone marrow, muscle and liver tissue but can also be detected in placenta, lung, kidney and heart tissue. In addition to its role in obesity, visfatin also has other biological functions. Visfatin is a nicotinamide phosphoribosyltransferase (Nampt) enzyme that catalyzes first step in the biosynthesis of NAD from nicotinamide. Visfatin has also been reported to be a cytokine (PBEF) that promotes B cell maturation and inhibits neutrophil apoptosis.

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