Rat Gsta4 / Glutathione S-transferase alpha-4 ELISA Kit

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SKU:
RTFI00218
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P14942
Sensitivity:
0.469ng/ml
Range:
0.781-50ng/ml
ELISA Type:
Competitive ELISA, Coated with Antigen
Synonyms:
Gsta4, GSTA4, Glutathione S-transferase A4, GST class-alpha member 4, Glutathione S-transferase A4-4
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 Gsta4 (Glutathione S-transferase alpha-4) ELISA Kit
製品コード:RTFI00218
サイズ:96 Assays
目標:Rat Gsta4
エイリアス:Gsta4, GSTA4, Glutathione S-transferase A4, GST class-alpha member 4, Glutathione S-transferase A4-4
反応性:Rat
検出方法:Competitive ELISA, Coated with Antibody
感度:0.469ng/ml
範囲:0.781-50ng/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 Gsta4 and the recovery rates were calculated by comparing the measured value to the expected amount of Rat Gsta4 in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)89-10296
EDTA plasma(n=5)87-10294
UFH plasma(n=5)87-10397
直線性:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Rat Gsta4 and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)85-102%92-103%95-104%
EDTA plasma(n=5)87-91%85-96%83-93%
UFH plasma(n=5)81-95%86-99%85-96%
Intra-Assay:CV <8%
Inter-Assay:CV <10%
Uniprot:P14942
UniProt Protein Function:GSTA4: Conjugation of reduced glutathione to a wide number of exogenous and endogenous hydrophobic electrophiles
UniProt Protein Details:

Protein type:Xenobiotic Metabolism - metabolism by cytochrome P450; Other Amino Acids Metabolism - glutathione; Transferase; Xenobiotic Metabolism - drug metabolism - cytochrome P450; EC 2.5.1.18

Cellular Component: cytoplasm; mitochondrion

Molecular Function:drug binding; glutathione binding; glutathione transferase activity; protein homodimerization activity

Biological Process: glutathione metabolic process; response to herbicide; response to nicotine; response to zinc ion; xenobiotic metabolic process

UniProt Code:P14942
NCBI GenInfo Identifier:157820217
NCBI Gene ID:300850
NCBI Accession:NP_001100310.1
UniProt Related Accession:P14942
Molecular Weight:25,510 Da
NCBI Full Name:glutathione S-transferase alpha-4
NCBI Synonym Full Names:glutathione S-transferase alpha 4
NCBI Official Symbol:Gsta4  
NCBI Protein Information:glutathione S-transferase alpha-4
UniProt Protein Name:Glutathione S-transferase alpha-4
UniProt Synonym Protein Names:GST 8-8; GST A4-4; GST K; Glutathione S-transferase Yk; GST Yk
Protein Family:Glutathione S-transferase
UniProt Gene Name:Gsta4  
UniProt Entry Name:GSTA4_RAT
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. Add Sample and Biotin-detection antibody: Add 50µL of Standard, Blank or Sample per well. The blank well is added with Sample Dilution Buffer. Immediately add 50 µL of biotin-labelled antibody working solution to each well. Cover with the plate sealer provided. Gently tap the plate to ensure thorough mixing. Incubate for 45 minutes at 37°C. (Solutions are added to the bottom of micro-ELISA plate well, avoid touching plate walls and foaming).
3. Wash: Aspirate each well and wash, repeating the process three times. Wash by filling each well with Wash Buffer (approximately 350µL) using a squirt bottle, multi-channel pipette, manifold dispenser or automated washer. Complete removal of liquid at each step is essential to good performance. After the last wash, remove any remaining Wash Buffer by aspirating or decanting. Invert the plate and pat it against thick clean absorbent paper.
4. HRP-Streptavidin Conjugate(SABC): Add 100µL of SABC working solution to each well. Cover with a new Plate sealer. Incubate for 30 minutes at 37°C.
5. Wash: Repeat the aspiration/wash process for five times.
6. TMB Substrate: Add 90µL of TMB Substrate to each well. Cover with a new plate sealer. Incubate for about 10-20 minutes at 37°C. Protect from light. The reaction time can be shortened or extended according to the actual color change, but not more than 30 minutes. When apparent gradient appeared in standard wells, you can terminate the reaction.
7. Stop: Add 50µL of Stop Solution to each well. Color turn to yellow immediately. The adding order of stop solution should be as the same as the substrate solution.
8. OD Measurement: Determine the optical density (OD Value) of each well at once, using a microplate reader set to 450 nm. You should open the microplate reader ahead, preheat the instrument, and set the testing parameters.

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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