Invitrogen™ Human BAFF Instant ELISA™ Kit

Catalog No.	Quantity
50-178-68	128 Tests

Catalog No. 50-178-68 Supplier Invitrogen™ Supplier No. BMS2007INST

Description

ELISA

The Human B cell Activating Factor belonging to the TNF Family (Hu BAFF) ELISA quantitates Hu BAFF in human serum, plasma, cell culture supernatants or other body fluids. The assay will exclusively recognize both natural and recombinant Hu BAFF. Principle of the method The Human BAFF solid-phase sandwich ELISA (enzyme-linked immunosorbent assay) is designed to measure the amount of the target bound between a matched antibody pair. A target-specific antibody has been pre-coated in the wells of the supplied microplate. Samples or controls are then added into these wells and bind to the immobilized (capture) antibody. The sandwich is formed by the binding of the second (detector) antibody to the target on a different epitope from the capture antibody. An antibody conjugated with enzyme binds the formed sandwich. After incubation and washing steps to rid the microplate of unbound substances, a substrate solution is added that reacts with the enzyme-antibody-target complex to produce measurable signal. The intensity of this signal is directly proportional to the concentration of target present in the original specimen. Rigorous validation Each manufactured lot of this ELISA kit is quality tested for criteria such as sensitivity, specificity, precision, and lot-to-lot consistency. See manual for more information on validation.

BAFF is a membrane bound cytokine expressed by B cell lineage cells. The soluble form of the cytokine binds to the receptors TNFRSF13B/TACI, TNFRSF17/BCMA, and TNFRSF13C/BAFFR. BAFF is a potent B cell activator, and important for the proliferation and differentiation of B cells. BAFF is also expressed by T lymphocytes and has been shown to promote T cell activation and survival. Isoforms representing alternatively spliced, and glycosylated variants have been identified.

Specifications

• Accession Number: Q9Y275
• Assay Range: 0.31-20.0 ng/mL
• Assay Sensitivity: 0.13 ng/mL
• Content And Storage: Aluminum pouch(es) with a Microplate coated with Polyclonal Antibody to human BAFF, Biotin-Conjugate (anti human BAFF polyclonal antibody) and Sample Diluent, lyophilized
  Aluminum pouch(es) with a human BAFF Standard curve (coloured)
  Wash Buffer Concentrate 20x (phosphate-buffered saline with 1% Tween 20)
  Substrate Solution (tetramethyl-benzidine)
  Sample Diluent (Use when an external predilution of the samples is needed)
  Stop Solution (1M Phosphoric acid)
  Adhesive Plate Covers
• Conjugate: HRP
• Detection Method: Colorimetric
• Immunoassay Kit Format: Coated ELISA Kit
• Product Type: ELISA
• Sample Type: Plasma, Serum, Supernatant
• Target Species: Human
• For Use With (Application): ELISA
• For Use With (Equipment): Absorbance Microplate Reader
• Gene Alias: ApoL related ligand TALL-1; b cell-activating factor; B lymphocyte stimulator; BAFF; B-cell-activating factor; B-lymphocyte stimulator; BLYS; CD257; D8Ertd387e; delta BAFF; Delta4 BAFF; dendritic cell-derived TNF-like molecule; DTL; RGD1561519; TALL1; TALL-1; THANK; TNF- and APOL-related leukocyte expressed ligand 1; TNF and ApoL-related leukocyte expressed ligand 1; TNF homolog that activates apoptosis; Tnfsf13b; TNFSF20; TNLG7A; tumor necrosis factor (ligand) superfamily member 13b; tumor necrosis factor (ligand) superfamily, member 13b; tumor necrosis factor (ligand) superfamily, member 20; tumor necrosis factor ligand 7A; tumor necrosis factor ligand superfamily member 13B; Tumor necrosis factor ligand superfamily member 13b, membrane form; Tumor necrosis factor ligand superfamily member 13b, soluble form; tumor necrosis factor superfamily member 13b; tumor necrosis factor-like protein ZTNF4; UNQ401/PRO738; ZTNF4ApoL related ligand TALL-1; b cell-activating factor; B lymphocyte stimulator; BAFF; B-cell-activating factor; B-lymphocyte stimulator; BLYS; CD257; D8Ertd387e; delta BAFF; Delta4 BAFF; dendritic cell-derived TNF-like molecule; DTL; RGD1561519; TALL1; TALL-1; THANK; TNF- and APOL-related leukocyte expressed ligand 1; TNF and ApoL-related leukocyte expressed ligand 1; TNF homolog that activates apoptosis; Tnfsf13b; TNFSF20; TNLG7A; tumor necrosis factor (ligand) superfamily member 13b; tumor necrosis factor (ligand) superfamily, member 13b; tumor necrosis factor (ligand) superfamily, member 20; tumor necrosis factor ligand 7A; tumor necrosis factor ligand superfamily member 13B; Tumor necrosis factor ligand superfamily member 13b, membrane form; Tumor necrosis factor ligand superfamily member 13b, soluble form; tumor necrosis factor superfamily member 13b; tumor necrosis factor-like protein ZTNF4; UNQ401/PRO738; ZTNF4; BAFF; BLYS; CD257; DTL; TALL-1; TALL1; THANK; TNFSF20; TNLG7A; ZTNF4
• Gene ID (Entrez): 10673
• Gene Symbol: TNFSF13B
• Interassay CV: 9.8%
• Intraassay CV: 8.2%
• Kit Contents: Pre-coated 96 well Microplate, Biotinylated Detection Antibody, SAV-HRP, Sample Diluent, lyophilized, Standard (8-well strips x 4), Wash Buffer Concentrate, Substrate Solution, Sample Diluent, Stop Solution, Lysis Buffer 10x, Adhesive Plate Covers, Biotinylated Detection Antibody, SAV-HRP, Sample Diluent, lyophilized, Standard (8-well strips x 4), Wash Buffer Concentrate, Substrate Solution, Sample Diluent, Stop Solution, Lysis Buffer 10x, Adhesive Plate Covers
• Label or Dye: Biotin
• Quantity: 128 Tests
• Regulatory Status: RUO
• Sample Volume: Plasma 50 μL, Serum 50 μL, Supernatant 50 μL
• Storage Requirements: -20°C
• Synonym: CD257 antigen, BLYS, TALL1, THANK
• Target: BAFF (BLyS)
• Test Time: 15 min
• Total Assay Time: 3 hr 10 min