Rat Angiopoietin-1 / ANG1 ELISA Kit

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SKU:
RTFI00005
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
O35460
Sensitivity:
0.094ng/ml
Range:
0.156-10ng/ml
ELISA Type:
Sandwich ELISA, Double Antibody
Synonyms:
ANG1, Angiopoietin 1, ANG-1, ANGPT1, AGP1, AGPT
Reactivity:
Rat
Frequently bought together:

Description

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Product Name:Rat ANG-1 (Angiopoietin-1) ELISA Kit
Product Code:RTFI00005
Size:96 Assays
Target:Rat ANG-1
Alias:ANG1, Angiopoietin 1, ANG-1, ANGPT1, AGP1, AGPT
Reactivity:Rat
Detection Method:Sandwich ELISA, Double Antibody
Sensitivity:0.094ng/ml
Range:0.156-10ng/ml
Storage:4°C for 6 months
Note:For Research Use Only
Recovery:Matrices listed below were spiked with certain level of Rat ANG-1 and the recovery rates were calculated by comparing the measured value to the expected amount of Rat ANG-1 in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)88-10595
EDTA plasma(n=5)85-9592
UFH plasma(n=5)90-10396
Linearity:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Rat ANG-1 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)85-104%94-105%92-103%
EDTA plasma(n=5)82-99%87-100%85-100%
UFH plasma(n=5)84-96%80-93%89-98%
Intra-Assay:CV <8%
Inter-Assay:CV <10%
Uniprot:O35460
UniProt Protein Function:ANGPT1: Binds and activates TEK/TIE2 receptor by inducing its dimerization and tyrosine phosphorylation. Plays an important role in the regulation of angiogenesis, endothelial cell survival, proliferation, migration, adhesion and cell spreading, reorganization of the actin cytoskeleton, but also maintenance of vascular quiescence. Required for normal angiogenesis and heart development during embryogenesis. After birth, activates or inhibits angiogenesis, depending on the context. Inhibits angiogenesis and promotes vascular stability in quiescent vessels, where endothelial cells have tight contacts. In quiescent vessels, ANGPT1 oligomers recruit TEK to cell-cell contacts, forming complexes with TEK molecules from adjoining cells, and this leads to preferential activation of phosphatidylinositol 3-kinase and the AKT1 signaling cascades. In migrating endothelial cells that lack cell-cell adhesions, ANGT1 recruits TEK to contacts with the extracellular matrix, leading to the formation of focal adhesion complexes, activation of PTK2/FAK and of the downstream kinases MAPK1/ERK2 and MAPK3/ERK1, and ultimately to the stimulation of sprouting angiogenesis. Mediates blood vessel maturation/stability. Implicated in endothelial developmental processes later and distinct from that of VEGF. Appears to play a crucial role in mediating reciprocal interactions between the endothelium and surrounding matrix and mesenchyme.
UniProt Protein Details:

Protein type:Secreted; Secreted, signal peptide

Cellular Component: extracellular space; lipid raft; microvillus; plasma membrane

Molecular Function:receptor binding; receptor tyrosine kinase binding

Biological Process: angiogenesis; cell differentiation; cell-substrate adhesion; hemopoiesis; heparin biosynthetic process; in utero embryonic development; negative regulation of apoptosis; negative regulation of cell adhesion; negative regulation of cytokine secretion during immune response; negative regulation of neuron apoptosis; negative regulation of protein amino acid phosphorylation; negative regulation of protein import into nucleus; negative regulation of vascular permeability; organ regeneration; ovarian follicle development; positive chemotaxis; positive regulation of blood vessel endothelial cell migration; positive regulation of cell adhesion; positive regulation of peptidyl-serine phosphorylation; positive regulation of peptidyl-tyrosine phosphorylation; positive regulation of phosphoinositide 3-kinase cascade; positive regulation of protein kinase B signaling cascade; positive regulation of protein ubiquitination; positive regulation of receptor internalization; protein homooligomerization; regulation of endothelial cell proliferation; regulation of I-kappaB kinase/NF-kappaB cascade; regulation of protein binding; regulation of satellite cell proliferation; regulation of tumor necrosis factor production; response to estrogen stimulus; response to hypoxia; response to vitamin B3; sprouting angiogenesis; Tie receptor signaling pathway; transmembrane receptor protein tyrosine kinase activation (dimerization); transmembrane receptor protein tyrosine kinase signaling pathway

NCBI Summary:modulates endothelial cell survival and involved in the activation of endothelial cell-specific Tie-2 receptors [RGD, Feb 2006]
UniProt Code:O35460
NCBI GenInfo Identifier:25014051
NCBI Gene ID:89807
NCBI Accession:O35460.2
UniProt Secondary Accession:O35460,Q8K4Q4,
UniProt Related Accession:O35460
Molecular Weight:57,461 Da
NCBI Full Name:Angiopoietin-1
NCBI Synonym Full Names:angiopoietin 1
NCBI Official Symbol:Angpt1  
NCBI Official Synonym Symbols:Agpt; Agpt1; Ang-1  
NCBI Protein Information:angiopoietin-1
UniProt Protein Name:Angiopoietin-1
Protein Family:Angiopoietin
UniProt Gene Name:Angpt1  
UniProt Entry Name:ANGP1_RAT
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 Type Protocol
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 clotovernight at 2-8°C. Centrifuge for 10 minutes at 1,000x g. Removeserum 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 anti-coagulant. 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 & homogenizein 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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