Rat CASR / Extracellular calcium-sensing receptor ELISA Kit

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SKU:
RTFI00635
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P48442
Sensitivity:
0.094ng/ml
Range:
0.156-10ng/ml
ELISA Type:
Sandwich ELISA, Double Antibody
Synonyms:
CASR, Extracellular calcium-sensing receptor, CaSR, PaRathyroid cell calcium-sensing receptor, PCaR1, GPRC2A, CAR, EIG8, FHH, FIH, HHC, HHC1, NSHPT
Reactivity:
Rat
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Description

system_update_altデータシートsystem_update_alt安全性データシート
商品名:Rat CASR (Calcium Sensing Receptor) ELISA Kit
製品コード:RTFI00635
サイズ:96 Assays
目標:Rat CASR
エイリアス:CASR, Extracellular calcium-sensing receptor, CaSR, PaRathyroid cell calcium-sensing receptor, PCaR1, GPRC2A, CAR, EIG8, FHH, FIH, HHC, HHC1, NSHPT
反応性:Rat
検出方法:Sandwich ELISA, Double Antibody
感度:0.094ng/ml
範囲:0.156-10ng/ml
保管所:4°C for 6 months
ノート:For Research Use Only
回復:Matrices listed below were spiked with certain level of Rat CASR and the recovery rates were calculated by comparing the measured value to the expected amount of Rat CASR in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)88-9492
EDTA plasma(n=5)91-10397
UFH plasma(n=5)88-10598
直線性:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Rat CASR and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)91-105%85-105%87-103%
EDTA plasma(n=5)82-98%82-97%82-97%
UFH plasma(n=5)81-89%81-92%88-100%
Intra-Assay:CV <8%
Inter-Assay:CV <10%
Uniprot:P48442
UniProt Protein Function:G-protein-coupled receptor that senses changes in the extracellular concentration of calcium ions and plays a key role in maintaining calcium homeostasis (PubMed:7816802). Senses fluctuations in the circulating calcium concentration and modulates the production of parathyroid hormone (PTH) in parathyroid glands. The activity of this receptor is mediated by a G-protein that activates a phosphatidylinositol-calcium second messenger system. The G-protein-coupled receptor activity is activated by a co-agonist mechanism: aromatic amino acids, such as Trp or Phe, act concertedly with divalent cations, such as calcium or magnesium, to achieve full receptor activation.
NCBI Summary:a G protein-coupled receptor that senses extracellular calcium; involved in regulating the secretion of parathyroid hormone, bile and intestinal fluid [RGD, Feb 2006]
UniProt Code:P48442
NCBI GenInfo Identifier:831181948
NCBI Gene ID:24247
NCBI Accession:NP_001296567.1
UniProt Related Accession:P48442
Molecular Weight:120,868 Da
NCBI Full Name:extracellular calcium-sensing receptor
NCBI Synonym Full Names:calcium-sensing receptor
NCBI Official Symbol:Casr  
NCBI Official Synonym Symbols:PCaR1; RaKCaR  
NCBI Protein Information:extracellular calcium-sensing receptor
UniProt Protein Name:Extracellular calcium-sensing receptor
UniProt Synonym Protein Names:Parathyroid cell calcium-sensing receptor; PCaR1; RaKCaR
Protein Family:Extracellular calcium-sensing receptor
UniProt Gene Name:Casr  
ステッププロトコル
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.

ELISAアッセイを実施する場合、可能な限り最良の結果を達成するためにサンプルを準備することが重要です。以下に、さまざまなサンプルタイプのサンプルを準備するための手順のリストを示します。

サンプルタイプ プロトコル
血清

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.

プラズマ 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.
尿および脳脊髄液 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.
細胞培養上清 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.
細胞溶解物 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.
組織ホモジネート 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.
組織溶解物 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.
母乳 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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