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Signal Transduction Metabolism Lipid metabolism

Lipid Peroxidation (MDA) Assay试剂盒(Colorimetric/Fluorometric) (ab118970)

  • Datasheet
  • SDS
  • Protocol Booklet
Submit a review Q&A (14)References (237)

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Lipid Peroxidation Assay performed on mouse sciatic nerve samples
  • Lipid Peroxidation measured with MDA assay in Fabry patients and healthy controls
  • MDA assay standard curve
  • MDA assay standard curve
  • Functional Studies - Lipid Peroxidation (MDA) Assay Kit (ab118970)

Key features and details

  • Assay type: Quantitative
  • Detection method: Colorimetric/Fluorometric
  • Platform: Microplate reader
  • Assay time: 1 hr 20 min
  • Sample type: Cell culture extracts, Plasma, Tissue Extracts, Urine
  • Sensitivity: 0.1 nmol/well

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概述

  • 产品名称

    Lipid Peroxidation (MDA) Assay试剂盒(Colorimetric/Fluorometric)
    参阅全部 Lipid Peroxidation 试剂盒
  • 检测方法

    Colorimetric/Fluorometric
  • 样品类型

    Urine, Plasma, Cell culture extracts, Tissue Extracts
  • 检测类型

    Quantitative
  • 灵敏度

    > 0.1 nmol/well
  • 检测时间

    1h 20m
  • 产品概述

    Lipid Peroxidation (MDA) Assay Kit (Colorimetric/Fluorometric) (ab118970) provides a convenient tool for sensitive detection of malondialdehyde (MDA).


    In the lipid peroxidation assay protocol, the MDA in the sample reacts with thiobarbituric acid (TBA) to generate a MDA-TBA adduct. The MDA-TBA adduct can be easily quantified colorimetrically (OD = 532 nm) or fluorometrically (Ex/Em = 532/553 nm). This assay detects MDA levels as low as 1 nmol/well colorimetrically and 0.1 nmol/well fluorometrically.


    The MDA assay is also refered to as a TBARS assay.


    Lipid peroxidation assay protocol summary:
    - add TBA solution to samples and standards, incubate at 95ºC for 60 min, cool in ice bath for 10 min
    - transfer to wells of microplate
    - analyze with microplate reader
    For higher sensitivity, precipitate with n-butanol, centrifuge, dry and resuspend pellet before analysis.


    Chinese protocol available. See protocols section below.


    For an alternative MDA assay, without the heating steps required in the TBARS assay, try MDA assay ab233471.

  • 说明

    This product is manufactured by BioVision, an Abcam company and was previously called K739 Lipid Peroxidation (MDA) Colorimetric/Fluorometric Assay Kit. K739-100 is the same size as the 100 test size of ab118970.

    Lipid peroxidation refers to the oxidative degradation of lipids. In this process free radicals take electrons from the lipids (generally in cell membranes), resulting in cell damage. Quantification of lipid peroxidation is essential to assess oxidative stress. Lipid peroxidation forms reactive aldehydes such as malondialdehyde (MDA) and 4-hydroxynonenal (4- HNE) as natural bi-products. Malondialdehyde (MDA) and 4-hydroxynonenal (4-HNE) are often used as markers of lipid peroxidation, and to assay for oxidative damage / oxidative stress.

    Related products

    Review the oxidative stress marker and assay guide, or the full metabolism assay guide to learn about more assays for metabolites, metabolic enzymes, mitochondrial function, and oxidative stress, and also how to assay metabolic function in live cells using your plate reader.

    Also see the popular 4-HNE Assay Kit ab238538 as an alternative marker of lipid peroxidation and oxidative stress.


    How other researchers have used Lipid Peroxidation Assay Kit ab118970

    The MDA/TBARs assay kit has been used in publications in a variety of sample types, including:
    - Human: serum1, hippocampal primary cell extracts2, A375 cultured cell lysates3, plasma and platelet samples4
    - Mouse: neuronal cell lysates5, heart tissue extract6, plasma7, cell extracts8
    - Rat: hippocampal tissue extracts9, cardiomyocyte extracts of cultured cells10, lung lysates11
    - Pig: serum12

    References: 1 - Shen J et al. 2018, 2 - Wang Q et al. 2019, 3 - Luo M et al. 2018,  4 - Mustafa AG et al. 2018, 5 - Murphy K et al. 2018, 6 - Guan F et al. 2019, 7 - Costa CRC et al. 2018, 8 - Eleftheriadis T et al. 2019, 9 - Malekiyan et al. 2019, 10 - Zhou Z et al. 2018, 11 - Li L et al. 2018, 12 - Lee SE and Kang KS 2019

  • 平台

    Microplate reader

性能

  • 存放说明

    Store at -20°C. Please refer to protocols.
  • 组件 标识符 100 tests 2000 tests
    BHT Purple 1 x 1ml 20 x 1ml
    MDA Lysis Buffer WM 1 x 25ml 20 x 25ml
    MDA Standard (4.17M) Yellow 1 x 100µl 20 x 100µl
    Phosphotungstic Acid Solution NM 1 x 12.5ml 20 x 12.5ml
    TBA NM 4 vials 80 vials
  • 研究领域

    • Signal Transduction
    • Metabolism
    • Lipid metabolism
    • Kits/ Lysates/ Other
    • Kits
    • Cell Metabolism Kits
    • Lipid Metabolism Kits
    • Obesity
    • Kits/ Lysates/ Other
    • Kits
    • Cell Damage Kits
    • Oxidative stress
    • Kits/ Lysates/ Other
    • Kits
    • Cell Metabolism Kits
    • Lipid Metabolism Kits
    • Lipid metabolism
    • Metabolism
    • Pathways and Processes
    • Redox metabolism
    • Fatty acid oxidation
    • Kits/ Lysates/ Other
    • Kits
    • Cell Damage Kits
    • Lipid oxidation
  • 相关性

    Lipid peroxidation refers to the oxidative degradation of lipids and is a well-defined mechanism of cellular damage. The formation of lipid peroxidation products leads to spread of free radical reactions leading to cell damage.
  • 别名

    • TBAR
    • TBARS

相关产品

  • Related Products

    • Lipid Hydroperoxide (LPO) Assay Kit (ab133085)

图片

  • Lipid Peroxidation Assay performed on mouse sciatic nerve samples
    Lipid Peroxidation Assay performed on mouse sciatic nerve samplesImage courtesy of Hichor et al. Sci Rep. 2018; 8: 2524. doi: 10.1038/s41598-018-20980-3. Reproduced under the Creative Commons license http://creativecommons.org/licenses/by/4.0/.
    Hichor M et al. used the TBARS assay /  MDA assay ab118970 to study the role of LXRs in the regulation of oxidative stress in peripheral  nerves.
     
    They identified that in sciatic nerves in LXR knockout mice (LXRdKO), the MDA concentration was significantly increased, and that this was corrected by the treatment of mice with the anti-oxidant ROS scavenger N-acetylcysteine (NAC).
  • Lipid Peroxidation measured with MDA assay in Fabry patients and healthy controls
    Lipid Peroxidation measured with MDA assay in Fabry patients and healthy controlsImage courtesy of Ravarotto V et al. PLoS One. 2018; 13(9): e0204618. doi: 10.1371/journal.pone.0204618. Reproduced under the Creative Commons license http://creativecommons.org/licenses/by/4.0/.

    Ravarotto V et al. used Lipid Peroxidation Assay Kit ab118970 to assess oxidative stress in Fabry disease. They identified that MDA levels are higher in Fabry patients, indicating higher levels of oxidative stress.

    The MDA concentration was measured in plasma from Fabry patients compared to healthy control patients. Data are shown ±SEM. *: p = 0.01.

  • MDA assay standard curve
    MDA assay standard curve

    Typical MDA standard calibration curve using colorimetric reading.

  • MDA assay standard curve
    MDA assay standard curve

    Typical MDA standard calibration curve using fluorometric reading.

  • Functional Studies - Lipid Peroxidation (MDA) Assay Kit (ab118970)
    Functional Studies - Lipid Peroxidation (MDA) Assay Kit (ab118970)

    Measurement of MDA in human plasma (20 µl) and rat liver lysate (10 mg).

实验方案

  • Protocol Booklet

Click here to view the general protocols

数据表及文件

  • SDS download

  • Datasheet download

    Download

文献 (237)

发表研究结果有使用 ab118970?请让我们知道,以便我们可以引用本数据表中的参考文章。

ab118970 被引用在 237 文献中.

  • Wang K  et al. Branched-chain amino acid aminotransferase 2 regulates ferroptotic cell death in cancer cells. Cell Death Differ 28:1222-1236 (2021). PubMed: 33097833
  • Ito J  et al. Iron derived from autophagy-mediated ferritin degradation induces cardiomyocyte death and heart failure in mice. Elife 10:N/A (2021). PubMed: 33526170
  • BinMowyna MN & AlFaris NA Kaempferol suppresses acetaminophen-induced liver damage by upregulation/activation of SIRT1. Pharm Biol 59:146-156 (2021). PubMed: 33556299
  • Fan H  et al. Spent Hen Muscle Protein-Derived RAS Regulating Peptides Show Antioxidant Activity in Vascular Cells. Antioxidants (Basel) 10:N/A (2021). PubMed: 33671990
  • Louwagie EJ  et al. Mitochondrial Transfer Improves Cardiomyocyte Bioenergetics and Viability in Male Rats Exposed to Pregestational Diabetes. Int J Mol Sci 22:N/A (2021). PubMed: 33673574
View all Publications for this product

客户评价及客户问答

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提交评价 提交问题

1-10 of 14 Abreviews or Q&A

Question

I have a few questions about this kit:
1. Can I mix more than 10ul plasma with 500ul sulfuric acid? I am trying to boost signal by adding more concentrated sample.
2. It seems the standard curve produced by the kit is a good one but I see no signal from plasma samples. I have followed the protocol exactly. Do you have any ideas why one would not see any signal with plasma?
3. After heating and cooling the samples, do I need to run the assay immediately or can the cooled samples be stored? If storage is possible, what do you recommend?

Read More

Abcam community

Verified customer

Asked on Sep 04 2014

Answer

Below please find answers to your questions:

A1: We have found that the 10 ul plasma worked well. How much more plasma is used depends on the protein content.
A2: If there is low amounts of MDA adduct formed in plasma samples, then the fluorometric method might provide 10 fold increased sensitivity to detect this. It is possible in that case to not register any OD or see background OD with samples.
A3: For best results we do not recommend storing samples after 95C heating and cooling. Lipid binding to the walls of the tube can happen upon storage and this can skew the data.

Read More

Jeremy Kasanov

Abcam Scientific Support

回复于 Sep 04 2014

Question

The TBA is not going into solution in the glacial acetic acid.

Read More

Abcam community

Verified customer

Asked on Mar 05 2013

Answer

Sonication in a RT water bath can be used if needed. You can also dissolve TBA in 15 ml of 50% glacial acetic acid in water. Then fill the volume with water to make 25ml. Mix well. This should help in dissolving the TBA. If there is still little precipitate, use 600 ul as directed and any particle in suspension will dissolve at 95C when incubated for 60 mins.

Read More

Abcam Scientific Support

回复于 Mar 05 2013

Question

How are the nmol standard curve units converted to units of uM concentrations and micrograms?

Read More

Abcam community

Verified customer

Asked on Jan 23 2013

Answer

Here is my conversion from nanomoles to micromolar concentrations and micrograms of MDA for the units that are used for the X-axis of the data on the datasheet. Please let me know if this does not answer you question or if you have concerns about the values you obtained.

The standard you receive in the kit is 4.17M. Dilute 10ul to 0.1M, then 2mM. Standards for the colorimetric assay are 0, 2, 4, 6, 8, 10 ul of the 2mM solution, per tube. The amounts per tube are specified in the protocol and the data as nanomoles (nmol), not nanomolar concentrations (nM).

For example, the 2mM standard solution contains: 2 millimoles per liter, = 2 nanomoles per microliter. The standard that contains 2 ul contains 4 nanomoles.

The molar concentration of this standard, after bringing the volume to 200ul (which is also the volume of the experimental samples), is 4 nanomoles per 200ul, = 20,000 nanomoles per liter (4 x 5000 nanomoles per 200 x 5000 ul) = 20 micromoles (umol) per liter, which is a 20 micromolar (uM) solution.

So, you are comparing your samples to MDA standards that are concentrations of 20, 40, 60, 80, and 100 uM .

The molecular weight of MDA is 72g/L. (One mole weighs 72g).

A 20 uM solution contains 1440 ug per liter. (72/1,000,000 x 20).

In 200 ul, you will have: 1440/5,000 ug, = 0.288 ug.

So, the standard tubes contain: 0.288, 0.432, 0.576, 0.72, and 1.44 ug per tube.

Read More

Abcam Scientific Support

回复于 Jan 23 2013

Question

can you tell me where in the protocol I can stop the assay and how the samples should be stored at that point?

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Abcam community

Verified customer

Asked on Jan 14 2013

Answer

We do not recommend that the protocol be stopped for later continuation at any step for this assay. If you cannot perform the whole protocol on the same day, I would recommend storing the samples initially at -80°C for later processing according to the protocol.

Read More

Abcam Scientific Support

回复于 Jan 14 2013

Question

Appropriate sample types include Cell culture supernatant, Plasma, Other biological fluids andTissue Extracts. I would like to know I can use this kit for checking MDA in serum samples of human.

Read More

Abcam community

Verified customer

Asked on Jan 04 2013

Answer

I am sorry to confirm this kit has not been tested on serum samples yet. Since it has not been used for analysis of serum, I am sorry we unfortunately do not have any procedure or tips for such use. I can recommend that as plasma samples are similar, to try the procedure provided for plasma to start with and optimize from there.

Read More

Abcam Scientific Support

回复于 Jan 04 2013

Question

We don't have 532 nm of colorimetric spectro filter in my lab, we only have the 520nm. And so, is it ok if I use 520nm? would it effect the accuracy of the measurement significantly?

Read More

Abcam community

Verified customer

Asked on Aug 10 2012

Answer

I can confirm you would be able to use the 520 nm wavelength for detection, provided the instrument's bandwidth of detection range is +/- 12. If not, measuring at 520 nm will reduce the efficiency of detection at least slightly.

Read More

Abcam Scientific Support

回复于 Aug 10 2012

Question

Would heparin treated plasma samples be compatible with this kit?

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Abcam community

Verified customer

Asked on Sep 23 2014

Answer

Yes, heparin should be fine to use.

Read More

Jeremy Kasanov

Abcam Scientific Support

回复于 Sep 23 2014

Question

The standards work well but I see precipitation in my sample after heating at 95 degrees C for 60 min. Samples are cell extracts.
1. Is this normal?
2. How should this be addressed?

Read More

Abcam community

Verified customer

Asked on Jul 02 2013

Answer

Centrifuge the samples and take only the clear supernatant for the next step.

Read More

Jeremy Kasanov

Abcam Scientific Support

回复于 Jul 02 2013

Question

At the end of the protocol there is a note about the use of n-butanol for more sensitivity. I must add the n-butanol to the 800 µl reaction mixture. Do I have to add the n-butanol also to the standard or only the samples?

Read More

Abcam community

Verified customer

Asked on Apr 23 2013

Answer

I can confirm that you will need to use the n-butanol for the standards as well, since it helps in isolating the MDA-TBA adduct.

Read More

Abcam Scientific Support

回复于 Apr 23 2013

Question

I'm using this kit with my 1 million melanoma cells treated with H2O2 for 1.5 hrs. I'm seeing color change in the standards, but no color change in my sample wells. I'm using the MDA lysis buffer for homogenization, but my samples are not deproteinized and I haven't determined the protein concentration. Any advice?

Read More

Abcam community

Verified customer

Asked on Jan 25 2013

Answer

Thank you for your inquiry.

I heard from the lab that you can start with a greater number of cells and homogenize them in the same 300 ul MDA lysis buffer. They didn't think deproteinization would help. But you may want to use n-butanol to extract the MDA-TBA adduct if you're not already (see note in protocol). Also you may want to switch to fluorometric detection if you can. It would be preferable due to higher sensitivity.

I hope this information helps. Please contact us with any other questions.

Read More

Abcam Scientific Support

回复于 Jan 25 2013

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