Human iNOS / Nitric oxide synthase, inducible ELISA Kit

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SKU:
HUFI00403
Product Type:
ELISA Kit
Size:
96 Assays
Uniprot:
P35228
Sensitivity:
46.875pg/ml
Range:
78.125-5000pg/ml
ELISA Type:
Sandwich ELISA, Double Antibody
Synonyms:
NOS2, iNOS, NOS2A, HEP-NOS, I-NOS, Hepatocyte NOS, Peptidyl-cysteine S-nitrosylase NOS2, Inducible NO synthase, Inducible NOS, INOS, NOS, NOS, type II, NOS type II
Reactivity:
Human
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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:Human iNOS / Nitric oxide synthase, inducible ELISA Kit
製品コード:HUFI00403
サイズ:96T
エイリアス:NOS2, iNOS, NOS2A, HEP-NOS, I-NOS, Hepatocyte NOS, Peptidyl-cysteine S-nitrosylase NOS2, Inducible NO synthase, Inducible NOS, INOS, NOS, NOS, type II, NOS type II
検出方法:Sandwich ELISA, Double Antibody
申し込み:This immunoassay kit allows for the in vitro quantitative determination of Human NOS2/iNOS concentrations in serum plasma and other biological fluids.
感度:46.875pg/ml
範囲:78.125-5000pg/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 Human NOS2/iNOS and the recovery rates were calculated by comparing the measured value to the expected amount of Human NOS2/iNOS in samples.
MatrixRecovery range(%)Average(%)
serum(n=5)88-10093
EDTA plasma(n=5)89-10596
UFH plasma(n=5)85-10496
直線性:The linearity of the kit was assayed by testing samples spiked with appropriate concentration of Human NOS2/iNOS and their serial dilutions. The results were demonstrated by the percentage of calculated concentration to the expected.
Sample1:21:41:8
serum(n=5)85-101%88-102%90-101%
EDTA plasma(n=5)86-100%86-100%85-97%
UFH plasma(n=5)82-96%84-97%82-96%
CV(%):Intra-Assay: CV<8%
Inter-Assay: CV<10%
成分量保管所
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-

必要なその他の材料と設備:

  • 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
UniprotP35228
UniProt Protein Function:Function: Produces nitric oxide (NO) which is a messenger molecule with diverse functions throughout the body. In macrophages, NO mediates tumoricidal and bactericidal actions. Also has nitrosylase activity and mediates cysteine S-nitrosylation of cytoplasmic target proteins such COX2.
UniProt Protein Details:Catalytic activity: 2 L-arginine + 3 NADPH + 4 O2 = 2 L-citrulline + 2 nitric oxide + 3 NADP+ + 4 H2O.

Cofactor: Heme group

By similarity.Binds 1 FAD

By similarity.Binds 1 FMN

By similarity.Tetrahydrobiopterin (BH4). May stabilize the dimeric form of the enzyme

By similarity.

Enzyme regulation: Regulated by calcium/calmodulin. Aspirin inhibits expression and function of this enzyme and effects may be exerted at the level of translational/post-translational modification and directly on the catalytic activity

By similarity.

Subunit structure: Homodimer. Binds SLC9A3R1.

Tissue specificity: Expressed in the liver, retina, bone cells and airway epithelial cells of the lung. Not expressed in the platelets.

Induction: By endotoxins and cytokines. Induced by IFNG/IFN-gamma acting synergistically with bacterial lipopolysaccharides (LPS), TNF or IL1B/interleukin-1 beta. Ref.14

Polymorphism: Note=Genetic variations in NOS2 are involved in resistance to malaria [

MIM:611162].

Sequence similarities: Belongs to the NOS family.Contains 1 FAD-binding FR-type domain.Contains 1 flavodoxin-like domain.

NCBI Summary:Nitric oxide is a reactive free radical which acts as a biologic mediator in several processes, including neurotransmission and antimicrobial and antitumoral activities. This gene encodes a nitric oxide synthase which is expressed in liver and is inducible by a combination of lipopolysaccharide and certain cytokines. Three related pseudogenes are located within the Smith-Magenis syndrome region on chromosome 17. [provided by RefSeq, Jul 2008]
UniProt Code:P35228
NCBI GenInfo Identifier:1352513
NCBI Gene ID:4843
NCBI Accession:P35228.2
UniProt Secondary Accession:P35228,O60757, O94994, Q16263, Q16692, Q4TTS5, Q9UD42 A1L3U5, B7ZLY2,
UniProt Related Accession:P35228
Molecular Weight:131,117 Da
NCBI Full Name:Nitric oxide synthase, inducible
NCBI Synonym Full Names:nitric oxide synthase 2, inducible
NCBI Official Symbol:NOS2  
NCBI Official Synonym Symbols:NOS; INOS; NOS2A; HEP-NOS  
NCBI Protein Information:nitric oxide synthase, inducible; NOS type II; NOS, type II; inducible NOS; hepatocyte NOS; inducible NO synthase; nitric oxide synthase, macrophage; peptidyl-cysteine S-nitrosylase NOS2; nitric oxide synthase 2A (inducible, hepatocytes)
UniProt Protein Name:Nitric oxide synthase, inducible
UniProt Synonym Protein Names:Hepatocyte NOS; HEP-NOS; Inducible NO synthase; Inducible NOS; iNOS; NOS type II; Peptidyl-cysteine S-nitrosylase NOS2
Protein Family:Inositol 3-kinase
UniProt Gene Name:NOS2  
UniProt Entry Name:NOS2_HUMAN

*ノート: プロトコルは、各バッチ/ロットに固有です。正しい手順については、キットに含まれているプロトコルに従ってください。

ウェルに加える前に、SABCワーキング溶液とTMB基質を37°Cで少なくとも30分間平衡化します。 サンプルと試薬を希釈するときは、完全に均一に混合する必要があります。各テストの標準曲線をプロットすることをお勧めします。

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 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.

プラズマ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.
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 & 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.
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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