LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric)
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Lactate Dehydrogenase (LDH) Assay Kit (Colorimetric) ab102526 is a quantitative, addition-only assay with a single 30-min incubation step. In the assay, LDH reduces NAD, followed by interaction with a probe. Readout on any colorimetric (450 nm) plate reader.
- BIOVISION® assay kit
- Cited in over 240 publications
- Individual kit components also available for purchase. Contact us to discuss your needs.
View Alternative Names
PIG19, LDHA, L-lactate dehydrogenase A chain, LDH-A, Cell proliferation-inducing gene 19 protein, LDH muscle subunit, Renal carcinoma antigen NY-REN-59, LDH-M
- Biochemical assay
Lab
Biochemical assay - LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric) (AB102526)
Diagram showing the principles of the Lactate Dehydrogenase assay method.
- FuncS
Supplier Data
Functional Studies - LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric) (AB102526)
NADH Standard Curve.
- FuncS
PubMed
Functional Studies - LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric) (AB102526)
LDH assay on mouse skeletal muscle.
Tam BT et al. used the LDH assay kit on mouse skeletal muscle tissue lysates comparing pressure-induced compressed and control samples across a range of knockout mice lines.
Tam BT et al. 2018 Sci Rep 8:3689 Use licensed under: http://creativecommons.org/licenses/by/4.0/
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Supplier Data
Functional Studies - LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric) (AB102526)
Kinetic profiles of approx 0.5 mU of a sample of pure LDH (Positive Control) and 2 μL frozen human serum using buffer as a background control.
- FuncS
PubMed
Functional Studies - LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric) (AB102526)
Cellular necrosis was measured as LDH release after cisplatin treatment for 24 h and 48 h using ab102526. The release of LDH was apparently increased at 24 and 48 h after cisplatin treatment.
Image from Xu Y et al., PLoS One. 2014;9(6):e100127. Fig 2(B).; doi: 10.1371/journal.pone.0100127. Reproduced under the Creative Commons license http://creativecommons.org/licenses/by/4.0/
- Enzyme activity assay
PubMed
Enzyme activity assay - LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric) (AB102526)
Alt-Aissa et al. used Pyruvate Kinase Assay Kit ab83432 and LDH Assay Kit ab102526 to investigate changes in glycolytic flux in human hearts in coronary heart disease.
Glycolytic pathway in human hearts. (A) Pyruvate Kinase Activity and (B) Lactate Dehydrogenase Activity were measured in lysates of left ventricles of human hearts; Values are expressed as mean +/- SEM expressed as fold change relative to Non-CAD heart lysates; n = 8 in each group; *p < 0.05 vs Non-CAD hearts.
Pyruvate kinase activity was measured in heart lysates from CAD and non-CAD patients. The experiments were performed using the Pyruvate Kinase Assay Kit (ab83432, Abcam, Cambridge, MA, USA) according to the manufacturer instructions.
Lactate Dehydrogenase activity (LDH) was measured in heart lysates from CAD and non-CAD patients. The experiments were performed using the LDH Kit (ab102526, Abcam, Cambridge, MA, USA) according to the manufacturer instructions.
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Other - LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric) (AB102526)
Representative image of LDH Assay Kit / Lactate Dehydrogenase Assay Kit (Colorimetric) ab102526
Components shown from left to right :
- LDH Positive Control
- NADH Standard I
- Substrate Mix
- LDH Assay Buffer
Note : The vial labels shown in this image use generic names for illustrative purposes only and may not exactly match the specific component names included in the kit.
Note : Colors of solutions in image may not precisely match the shade of colors in the actual kit.
Reactivity data
Product details
Lactate Dehydrogenase (LDH) Assay Kit (Colorimetric) ab102526 quantifies LDH activity in a variety of samples such as serum or plasma, tissue, cells, and culture medium.
In the LDH assay protocol, LDH reduces NAD to NADH, which then interacts with a specific probe to produce a color (OD max = 450 nm). The kit can detect 1 - 100 mU/mL of LDH directly in samples. The assay is quick, convenient, and sensitive.
LDH assay protocol summary:
- add samples and standards to wells
- add reaction mix
- analyze every 2-3 min for at least 30 min with microplate reader in kinetic mode at 37°C
Lactate Dehydrogenase (LDH) Assay Kit (Colorimetric) ab102526 quantifies LDH activity in a variety of samples such as serum or plasma, tissue, cells, and culture medium.
How the LDH assay works
In the LDH assay protocol, LDH reduces NAD to NADH, which then interacts with a specific probe to produce a color (OD max = 450 nm). The kit can detect 1 - 100 mU/mL of LDH directly in samples. The assay is quick, convenient, and sensitive.
LDH assay protocol summary
- add samples and standards to wells
- add reaction mix
- analyze every 2-3 min for at least 30 min with microplate reader in kinetic mode at 37°C
Getting the best performance from ab102526
LDH activity is unlikely to be detectable in healthy urine but may be elevated in the presence of infection or disease of the urinary tract.
Related LDH assay kits
To measure LDH release into cell culture medium from cultured cells in a cytoxicity experiment, we recommend LDH assay kit ab65393, which is designed specifically as a cytotoxicity assay.
This LDH assay kit ab102526 is designed in a more flexible format for use with a variety of sample types (this includes cell culture medium, and this kit may be used in cytotoxicity assays). This flexible format LDH assay kit is also available as a fluorometric LDH assay kit ab197000.
Other notes
This product was previously called K726 Biovision Lactate Dehydrogenase Activity Colorimetric Assay Kit. Abcam acquired Biovision in 2021.
How other researchers have used LDH Assay Kit ab102526
This LDH assay kit has been used in publications in a variety of sample types, including:
- Human: serum1
- Mouse: kidney tissue2, kidney epithelial cell line lysates3, muscle tissue4, serum2,5, vaginal lavage fluid6, liver tissue7
- Rat: H8C2 cell lysates8
It has also been used in LDH release cytotoxicity cell culture assays including in human hippocampal neuronal cultures9, THP-1 cells10, primary chondrocyte cells on a membrane scaffold11, primary lymphocytes12, ovarian cancer cells co-cultured with mouse splenocytes in a cytotoxic T lymphocyte assay13
References: 1-Zhang Z et al 2018, Solivio MJ et al 2016; 2-Niles DJ et al 2018; 3-Tanner LB et al 2018; 4-Tam BT et al 2018; 5-Kim HY et al 2016; 6-Nash EE et al 2016; 7-Lai C et al 2018; 8-Zhou Z et al 2018; 9-Wang Q et al 2019; 10-Alimov I et al 2019; 11-Stocco TD et al 2019; 12-Dreisig K et al 2018; 13-Sun Y et al 2018
The Safety Datasheet for this product has been updated for certain countries. Please check the current version in the Support and downloads section.
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Properties and storage information
Shipped at conditions
Appropriate short-term storage conditions
Appropriate long-term storage conditions
Storage information
Supplementary information
This supplementary information is collated from multiple sources and compiled automatically.
Biological function summary
Lactate dehydrogenase plays a critical role in anaerobic glycolysis. The enzyme helps in regenerating NAD+ from NADH allowing glycolysis to continue in the absence of oxygen. LDH is not a part of any larger protein complex working independently to fulfill its function in the glycolytic pathway. It serves in rapid energy production especially under hypoxic or exertional conditions where oxygen supply is limited.
Pathways
LDH is significantly involved in the glycolysis and gluconeogenesis pathways. Within glycolysis LDH helps facilitate the conversion of pyruvate to lactate during anaerobic conditions a step important for ATP production when oxygen is scarce. The enzyme is tied closely to phosphofructokinase-1 (PFK-1) in glycolysis given that both enzymes are central to maintaining the glycolytic flow. In gluconeogenesis though functionally reversed from its role in glycolysis LDH helps to manage lactate removal an important step for glucose synthesis from non-carbohydrate sources.
Product protocols
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Publications (299)
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European journal of medical research 30:538 PubMed40598572
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Discover oncology 16:983 PubMed40451984
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Journal of pharmaceutical analysis 15:101077 PubMed40433559
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Toxins 17: PubMed40137904
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Diabetologia 68:1279-1297 PubMed40133488
2025
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Journal of cardiovascular development and disease 12: PubMed39997470
2025
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BMC cancer 25:294 PubMed39972413
2025
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Cell & bioscience 15:24 PubMed39972392
2025
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Cell biology and toxicology 41:44 PubMed39937362
2025
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The Journal of pathology 265:342-356 PubMed39815421
2025
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Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
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