Mouse Fibrinogen Alpha chain ELISA Kit

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SKU:
MOFI00804
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
E9PV24
Sensitivity:
18.75ng/ml
Range:
31.25-2000ng/ml
ELISA Type:
Sandwich ELISA, Double Antibody
Synonyms:
FGA, Factor I, FGA, FGB, Fib2, Fib2, fibrinogen alpha chain, fibrinogen, A alpha polypeptide, MGC119422, MGC119423, MGC119425
Reactivity:
Mouse
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Description

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Product Name:Mouse Fibrinogen Alpha chain ELISA Kit
Product Code:MOFI00804
Size:96 Assays
Alias:FGA, Factor I, FGA, FGB, Fib2, Fib2, fibrinogen alpha chain, fibrinogen, A alpha polypeptide, MGC119422, MGC119423, MGC119425
Detection Method:Sandwich ELISA
Application:This immunoassay kit allows for the in vitro quantitative determination of Mouse FGA concentrations in serum plasma and other biological fluids.
Sensitivity:18.75ng/ml
Range:31.25-2000ng/ml
Storage:4°C for 6 months
Note:For Research Use Only
Recovery:Matrices listed below were spiked with certain level of Mouse FGA and the recovery rates were calculated by comparing the measured value to the expected amount of Mouse FGA in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)86-9991
EDTA plasma(n=5)85-10395
UFH plasma(n=5)90-9995
Linearity:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Mouse FGA and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)90-101%85-105%88-104%
EDTA plasma(n=5)82-100%82-98%86-97%
UFH plasma(n=5)85-100%80-97%91-100%
Intra Assay:CV <8%
Inter Assay:CV <10%
ComponentQuantityStorage
ELISA Microplate (Dismountable)8-12 strips4°C for 6 months
Lyophilized Standard24°C/-20°C
Sample/Standard Dilution Buffer20ml4°C
Biotin-labeled Antibody(Concentrated)120ul4°C (Protect from light)
Antibody Dilution Buffer10ml4°C
HRP-Streptavidin Conjugate(SABC)120ul4°C (Protect from light)
SABC Dilution Buffer10ml4°C
TMB Substrate10ml4°C (Protect from light)
Stop Solution10ml4°C
Wash Buffer(25X)30ml4°C
Plate Sealer5-

Other materials and equipment required:

  • Microplate reader with 450 nm wavelength filter
  • Multichannel Pipette, Pipette, microcentrifuge tubes and disposable pipette tips
  • Incubator
  • Deionized or distilled water
  • Absorbent paper
  • Buffer resevoir
UniprotE9PV24
UniProt Protein Function:FGA: Fibrinogen has a double Function: yielding monomers that polymerize into fibrin and acting as a cofactor in platelet aggregation. Defects in FGA are a cause of congenital afibrinogenemia (CAFBN). This is a rare autosomal recessive disorder characterized by bleeding that varies from mild to severe and by complete absence or extremely low levels of plasma and platelet fibrinogen. The majority of cases of afibrinogenemia are due to truncating mutations. Variations in position Arg-35 (the site of cleavage of fibrinopeptide a by thrombin) leads to alpha- dysfibrinogenemias. Defects in FGA are a cause of amyloidosis type 8 (AMYL8); also known as systemic non-neuropathic amyloidosis or Ostertag-type amyloidosis. AMYL8 is a hereditary generalized amyloidosis due to deposition of apolipoprotein A1, fibrinogen and lysozyme amyloids. Viscera are particularly affected. There is no involvement of the nervous system. Clinical features include renal amyloidosis resulting in nephrotic syndrome, arterial hypertension, hepatosplenomegaly, cholestasis, petechial skin rash. 2 isoforms of the human protein are produced by alternative splicing.
UniProt Protein Details:

Protein type:Secreted; Secreted, signal peptide

Chromosomal Location of Human Ortholog: 3 E3|3 36.96 cM

Cellular Component: blood microparticle; cell cortex; cell surface; cytoplasm; external side of plasma membrane; extracellular exosome; extracellular region; extracellular space; fibrinogen complex; rough endoplasmic reticulum

Molecular Function:cell adhesion molecule binding; metal ion binding; protein binding, bridging; receptor binding; structural molecule activity

Biological Process: adaptive immune response; blood coagulation; blood coagulation, common pathway; blood coagulation, fibrin clot formation; cell-matrix adhesion; cellular protein complex assembly; fibrinolysis; hemostasis; immune system process; induction of bacterial agglutination; innate immune response; negative regulation of endothelial cell apoptotic process; negative regulation of extrinsic apoptotic signaling pathway via death domain receptors; plasminogen activation; platelet activation; positive regulation of ERK1 and ERK2 cascade; positive regulation of exocytosis; positive regulation of heterotypic cell-cell adhesion; positive regulation of peptide hormone secretion; positive regulation of protein secretion; positive regulation of smooth muscle cell migration; positive regulation of vasoconstriction; protein complex assembly; protein polymerization; response to calcium ion; signal transduction

NCBI Summary:This gene encodes a subunit of the coagulation factor fibrinogen, which is a component of the blood clot. The encoded protein is proteolytically processed by thrombin during the conversion of fibrinogen to fibrin. Mice lacking the encoded protein display bleeding in the peritoneal cavity, skin and soft tissues around joints immediately after birth, and are predisposed to spontaneous fatal abdominal hemorrhage as they grow. Pregnant mice lacking the encoded protein succumb to uterine bleeding during gestation. Alternative splicing results in multiple transcript variants encoding different isoforms that may undergo similar proteolytic processing. [provided by RefSeq, Nov 2015]
UniProt Code:E9PV24
NCBI GenInfo Identifier:167555029
NCBI Gene ID:14161
NCBI Accession:NP_001104518.1
UniProt Secondary Accession:E9PV24,Q99K47,
UniProt Related Accession:E9PV24
Molecular Weight:61,326 Da
NCBI Full Name:fibrinogen alpha chain isoform 1 preproprotein
NCBI Synonym Full Names:fibrinogen alpha chain
NCBI Official Symbol:Fga  
NCBI Official Synonym Symbols:Fib  
NCBI Protein Information:fibrinogen alpha chain
UniProt Protein Name:Fibrinogen alpha chain
Protein Family:Fibrinogen
UniProt Gene Name:Fga  

*Note: Protocols are specific to each batch/lot. For the correct instructions please follow the protocol included in your kit.

StepProcedure
1. Set standard, test sample and control (zero) wells on the pre-coated plate respectively, and then, record their positions. It is recommended to measure each standard and sample in duplicate. Wash plate 2 times before adding standard, sample and control (zero) wells!
2.Aliquot 0.1ml standard solutions into the standard wells.
3. Add 0.1 ml of Sample / Standard dilution buffer into the control (zero) well.
4. Add 0.1 ml of properly diluted sample (Human serum, plasma, tissue homogenates and other biological fluids.) into test sample wells.
5.Seal the plate with a cover and incubate at 37 °C for 90 min.
6. Remove the cover and discard the plate content, clap the plate on the absorbent filter papers or other absorbent material. Do NOT let the wells completely dry at any time. Wash plate X2.
7. Add 0.1 ml of Biotin- detection antibody working solution into the above wells (standard, test sample & zero wells). Add the solution at the bottom of each well without touching the side wall.
8.Seal the plate with a cover and incubate at 37°C for 60 min.
9. Remove the cover, and wash plate 3 times with Wash buffer. Let wash buffer rest in wells for 1 min between each wash.
10. Add 0.1 ml of SABC working solution into each well, cover the plate and incubate at 37°C for 30 min.
11. Remove the cover and wash plate 5 times with Wash buffer, and each time let the wash buffer stay in the wells for 1-2 min.
12. Add 90 µL of TMB substrate into each well, cover the plate and incubate at 37°C in dark within 10-20 min. (Note: This incubation time is for reference use only, the optimal time should be determined by end user.) And the shades of blue can be seen in the first 3-4 wells (with most concentrated standard solutions), the other wells show no obvious color.
13. Add 50 µL of Stop solution into each well and mix thoroughly. The color changes into yellow immediately.
14. Read the O.D. absorbance at 450 nm in a microplate reader immediately after adding the stop solution.

When carrying out an ELISA assay it is important to prepare your samples in order to achieve the best possible results. Below we have a list of procedures for the preparation of samples for different sample types.

Sample TypeProtocol
Serum:

If using serum separator tubes, allow samples to clot for 30 minutes at room temperature. Centrifuge for 10 minutes at 1,000x g. Collect the serum fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.

If serum separator tubes are not being used, allow samples to clot overnight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Remove serum and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles.

Plasma:

Collect plasma using EDTA or heparin as an anticoagulant. Centrifuge samples at 4°C for 15 mins at 1000 - g within 30 mins of collection. Collect the plasma fraction and assay promptly or aliquot and store the samples at -80°C. Avoid multiple freeze-thaw cycles. Note: Over haemolysed samples are not suitable for use with this kit.

Urine & Cerebrospinal Fluid:

Collect the urine (mid-stream) in a sterile container, centrifuge for 20 mins at 2000-3000 rpm. Remove supernatant and assay immediately. If any precipitation is detected, repeat the centrifugation step. A similar protocol can be used for cerebrospinal fluid.

Cell culture supernatant:

Collect the cell culture media by pipette, followed by centrifugation at 4°C for 20 mins at 1500 rpm. Collect the clear supernatant and assay immediately.

Cell lysates:

Solubilize cells in lysis buffer and allow to sit on ice for 30 minutes. Centrifuge tubes at 14,000 x g for 5 minutes to remove insoluble material. Aliquot the supernatant into a new tube and discard the remaining whole cell extract. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20°C.

Tissue homogenates:

The preparation of tissue homogenates will vary depending upon tissue type. Rinse tissue with 1X PBS to remove excess blood & homogenize in 20ml of 1X PBS (including protease inhibitors) and store overnight at ≤ -20°C. Two freeze-thaw cycles are required to break the cell membranes. To further disrupt the cell membranes you can sonicate the samples. Centrifuge homogenates for 5 mins at 5000xg. Remove the supernatant and assay immediately or aliquot and store at -20°C or -80°C.

Tissue lysates:

Rinse tissue with PBS, cut into 1-2 mm pieces, and homogenize with a tissue homogenizer in PBS. Add an equal volume of RIPA buffer containing protease inhibitors and lyse tissues at room temperature for 30 minutes with gentle agitation. Centrifuge to remove debris. Quantify total protein concentration using a total protein assay. Assay immediately or aliquot and store at ≤ -20 °C.

Breast Milk:

Collect milk samples and centrifuge at 10,000 x g for 60 min at 4°C. Aliquot the supernatant and assay. For long term use, store samples at -80°C. Minimize freeze/thaw cycles.

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