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  1. Link

    glutamate-assay-kit-ab83389.pdf

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Neuroscience Neurotransmitter Amino Acids Glutamate
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Glutamate Assay Kit (ab83389)

  • Datasheet
  • SDS
  • Protocol Booklet
Reviews (2)Q&A (34)References (29)

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Functional studies - ab83389
  • Functional Studies - Glutamate Assay Kit (ab83389)

Key features and details

  • Assay type: Quantitative
  • Detection method: Colorimetric
  • Platform: Microplate reader
  • Assay time: 40 min
  • Sample type: Cell Lysate, Other biological fluids, Plasma, Serum, Urine

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Overview

  • Product name

    Glutamate Assay Kit
    See all Glutamate kits
  • Detection method

    Colorimetric
  • Sample type

    Urine, Serum, Plasma, Other biological fluids, Cell Lysate
  • Assay type

    Quantitative
  • Assay time

    0h 40m
  • Product overview

    Glutamate Assay Kit ab83389 provides a sensitive detection method of the glutamate in a variety of samples.


    The glutamate assay kit will only measure free glutamate levels but not glutamic acid found in the backbone of peptides or proteins.


    In the glutamate assay protocol, the enzyme mix recognizes glutamate as a specific substrate leading to proportional color development.The amount of glutamate can therefore be easily quantified by colorimetric spectrophotometry at OD = 450 nm.


    Glutamate assay protocol summary:
    - add samples and standards to wells
    - add reaction mix and incubate for 30 min at 37ºC
    - analyze with microplate reader

  • Notes

    This product is manufactured by BioVision, an Abcam company and was previously called K629 Glutamate Colorimetric Assay Kit. K629-100 is the same size as the 100 test size of ab83389.

    EDTA plasma may not be used with the ab83389 Glutamate Assay Kit. EDTA can interfere with the assay. 

    Review our Metabolism Assay Guide to learn about assays for metabolites, metabolic enzymes, mitochondrial function, and oxidative stress, and also about how to assay metabolic function in live cells using your plate reader.

     

  • Platform

    Microplate reader

Properties

  • Storage instructions

    Store at -20°C. Please refer to protocols.
  • Components Identifier 100 tests
    Glutamate Assay Buffer WM 1 x 25ml
    Glutamate Developer (Lyophilised) Red 1 vial
    Glutamate Enzyme Mix (Lyophilised) Green 1 vial
    Glutamate Standard (0.1M) Yellow 1 x 100µl
  • Research areas

    • Neuroscience
    • Neurotransmitter
    • Amino Acids
    • Glutamate
    • Kits/ Lysates/ Other
    • Kits
    • Cell Metabolism Kits
    • Amino Acid Assays
  • Relevance

    Glutamate, one of the two acidic proteinogenic amino acids, is also a key molecule in cellular metabolism. In humans, glutamate plays an important role both in amino acid degradation and disposal of excess or waste nitrogen. Glutamate is the most abundant swift excitatory neurotransmitter in the mammalian nervous system. It is believed to be involved in learning and memory and has appeared to be involved in diseases like amyotrophic lateral sclerosis, lathyrism, autism, some forms of mental retardation and Alzheimer's disease. Glutamic acid is also present in a wide variety of foods, and has been used as a flavor enhancer in food industry.

Associated products

  • Related Products

    • Glutamate Dehydrogenase Activity Assay Kit (ab102527)
    • mGlu Agonists Kit (ab120321)
    • mGlu Antagonists Kit (ab120322)
    • GABA and Glutamate Antagonists Kit (ab120376)
    • Glutamate Assay Kit (Fluorometric) (ab138883)
    • Glutamate Oxidase Assay Kit (Fluorometric - Near Infrared) (ab138885)

Images

  • Functional studies - ab83389
    Functional studies - ab83389Image from Sloniecka M et al., PLoS One 10(7), Fig 5a. Doi: 10.1371/journal.pone.0134157. Reproduced under the Creative Commons license http://creativecommons.org/licenses/by/4.0/

    Glutamate levels of central and peripheral keratocytes were determined using Glutamate assay kit (ab83389). 

  • Functional Studies - Glutamate Assay Kit (ab83389)
    Functional Studies - Glutamate Assay Kit (ab83389)
    Example of Glutamate standard curve obtained using ab83389

Protocols

  • Protocol Booklet

Click here to view the general protocols

Datasheets and documents

  • SDS download

  • Datasheet download

    Download

References (29)

Publishing research using ab83389? Please let us know so that we can cite the reference in this datasheet.

ab83389 has been referenced in 29 publications.

  • 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
  • Abo El Gheit RE  et al. Retinoprotective effect of agmatine in streptozotocin-induced diabetic rat model: avenues for vascular and neuronal protection : Agmatine in diabetic retinopathy. J Physiol Biochem 77:305-320 (2021). PubMed: 33635523
  • Ohashi N  et al. GLT1 gene delivery based on bone marrow-derived cells ameliorates motor function and survival in a mouse model of ALS. Sci Rep 11:12803 (2021). PubMed: 34140581
  • Maier JP  et al. Inhibition of metabotropic glutamate receptor III facilitates sensitization to alkylating chemotherapeutics in glioblastoma. Cell Death Dis 12:723 (2021). PubMed: 34290229
View all Publications for this product

Customer reviews and Q&As

Show All Reviews Q&A
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1-10 of 36 Abreviews or Q&A

Glutamate levels in PMN supernatants

Good Excellent 5/5 (Ease of Use)
Abreviews
Abreviews
abreview image
I wanted to analyze free glutamate in the supernatant of short-term stimulated human blood granulocytes of healthy donors and two groups of clinic patients. The cells were freshly isolated from human whole blood and stimulated for 60-70 minutes at 37 °C in HBSS supplemented with 1.6 mM calcium chloride. Cell-free supernatants were snap-frozen as indicated in the assay protocol and used undiluted in the assay including a HBSS background control. Unfortunately, measured glutamate levels were very low.
The assay protocol is good, the assay is easy and quick to perform.
The reviewer received a reward from Abcam’s Loyalty Program in thanks for submitting this Abreview and for helping the scientific community make better-informed decisions.

Abcam user community

Verified customer

Submitted Apr 25 2017

Feasable on mouse brain but require deproteinization

Average Average 3/5 (Ease of Use)
Abreviews
Abreviews
abreview image
I used lysates of mouse hippocampus. Since the "enzyme" is present in fresh lysates, deproteinization is required
https://www.abcam.com/protocols/deproteinization-protocol
Don't forget to leave aside sample for Bradford normalization before deproteinization
The reviewer received a reward from Abcam’s Loyalty Program in thanks for submitting this Abreview and for helping the scientific community make better-informed decisions.

Dr. Tamar Licht

Verified customer

Submitted Mar 08 2016

Question

Is assay buffer for ab83389 available?

Read More

Abcam community

Verified customer

Asked on May 15 2014

Answer



I have contacted the lab and they have confirmed that we can add the Glutamate assay buffer to the catalogue to purchase separately to dilute your samples.

However, the lab have also said that you can simply dilute yoursamples in deionized distilled water and then add to the well. Fill up the volume to 50 ul using the assay buffer. This is obviously the cheaper option but if you would like me to add the assay buffer to the catalogue, please let me know and I will do so.

Read More

Elisa Thomas

Abcam Scientific Support

Answered on May 15 2014

Question

I have a question regarding your Glutamate Assay Kits, ab138883 and ab83389 . Are they only intended to measure free glutamate or can any of them also measure the amount of glutamic acid in peptides/proteins?

Read More

Abcam community

Verified customer

Asked on Jun 13 2013

Answer

Unfortunately neither of these kits will be able to detect glutamic acid in peptides/proteins. ab83389 only measures free glutamate levels not glutamic acid and ab138883 is based on enzymatic reactions so it is most likely that it will not react with the glutamate in peptide or proteins.

Read More

Abcam Scientific Support

Answered on Jun 13 2013

Question

Bonjour, nous avons commandé votre kit ab83389 pour doser le glutamate. Notre solution contient des ions NH3, peuvent ils interférer le dosage?

Read More

Abcam community

Verified customer

Asked on Mar 18 2013

Answer



Non normalement les ions NH3 ne devraient pas interférer le dosage avec ce kit.

Read More

Abcam Scientific Support

Answered on Mar 18 2013

Question

I would like to use glutamate assay kit on astrocytes cultures. I've read in this website that many are using this kit on astrocytes cultures therefore I'm wondering if you could suggest how much I should dilute my samples in order to have readings within the standard curve range, considering that in my petri dishes there are about 1x10^6 astrocytes. I'd also like to know if you have any suggestions about medium dilutions as well. thank you.

Read More

Abcam community

Verified customer

Asked on Mar 15 2013

Answer



The Glutamate Assay Kit (ab83389) can be used to asses the level of glutamate in a range of different biological samples. Unfortunately, the dilution range required will need to be assessed for the different samples you are hoping to use the kit with. This is not something we would be able to predict and I do not have any information of these exact samples having been used. You will need to perform a pilot experiment in order to find out at which dilutions the concentration of glutamate falls within the linear range of the standard curve.

Read More

Abcam Scientific Support

Answered on Mar 15 2013

Question


I would like to use your kit to measure glutamate uptake by astrocytes in culture. The media contains glutamine.

Read More

Abcam community

Verified customer

Asked on Feb 08 2013

Answer



I've checked with the laboratory, and this kit is very specific for glutamate only. Glutamine is not going to cross react and produce false signals. So, no optimization is required and the glutamine media will be fine.

Read More

Abcam Scientific Support

Answered on Feb 08 2013

Question

préparation des échantillions: RIPA, SDS, CHAPS ,anti-phosphatase, anti-protease

Read More

Abcam community

Verified customer

Asked on Jan 15 2013

Answer

J’ai eu une réponse du laboratoire concernant la préparation de vos échantillons. Les composants de votre tampon ne devraient pas causer d’interférence avec ce kit. Cependant, le laboratoire recommande de diluer vos échantillons dans le tampon qui vient avec le kit puisque il contient des éléments essentiels qui sont nécessaire pour la réaction et qui ne sont pas présent dans votre tampon.

Read More

Abcam Scientific Support

Answered on Jan 15 2013

Question

Dear Sirs,
I'm using the Glutamate Assay kit to detect glutamate level in my Astrocytes cell culture and I observed an increasing levels of glutamate in my culture, without adding any glutamate or even change the cells medium. Astrocytes are cells that uptake the glutamate, so I expected that glutamate levels would decrease instead of increase.
Also, I'm pretty sure that my culture has the majority of Astrocytes cells. So, as the kit doesn't come with any information, I wonder if the kit is capable of detecting other compound besides glutamate, as glutamine, for example.
Attached I'm sending a graph of my results to clarify what I got.
I'll appreciate a quickly reply, if possible.
Thank you

Read More

Abcam community

Verified customer

Asked on Dec 07 2012

Answer

Thank you for contacting us.

After doing some research on this subject it seems that astrocytes release glutamate in a Ca2+ dependent manner. It is a very well-known function/property of astrocytes involving transmitter uptake and release.

Here is the wiki page explaining this phenomenon: http://en.wikipedia.org/wiki/Astrocyte

I also add the link to a couple of papers explaining this phenomenon:

http://www.pnas.org/content/97/15/8629

http://www.sciencedirect.com/science/article/pii/S0197018603002900

The kit (ab83389) is very specific in detecting only glutamate since it utilizes a glutamate specific substrate.

You may need to change certain conditions in the cell media and play around with the incubation times; some glutamate uptake as well should also be seen.

I hope this helps. Please do not hesitate to contact us for further assistance.

Read More

Abcam Scientific Support

Answered on Dec 07 2012

Question

Does the kit ab83389 and ab65345, works with rat samples?

Read More

Abcam community

Verified customer

Asked on Dec 04 2012

Answer

Thank you for contacting us.
Though these kits has not been tested with rat samples however based on the material used in these kits these will compatible with all type of mammalian cells.
I can confirm that these kits will be suitable for Rat samples as well.
I hope this information is helpful to you. Please do not hesitate to contact us if you need any more advice or information.
Free Rabbit monoclonal antibody with any purchase of a primary antibody, while stocks last! Quote “RABMAB-XBSMG” in your next primary antibody order. For more information, visit the following link: https://www.abcam.com/index.html?pageconfig=resource&rid=15447

Read More

Abcam Scientific Support

Answered on Dec 04 2012

1-10 of 36 Abreviews or Q&A

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