Pyrophosphate Assay Kit (Fluorometric)
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(8 Publications)
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Lab
Functional Studies - Pyrophosphate Assay Kit (Fluorometric) (AB112155)
Pyrophospfate measured in cell lysates showing quantity (nmol) per 106cells
- FuncS
PubMed
Functional Studies - Pyrophosphate Assay Kit (Fluorometric) (AB112155)
Urinary total pyrophosphate (PPi) concentrations were determined using ab112155. Urine PPi was corrected for urine creatinine, which was measured by LC-MS/MS or by ELISA using appropriate controls to adjust for inter-assay variability.
Caballero D et al., PLoS One, 12(7). Fig 1a. doi: 10.1371/journal.pone.0180098 Reproduced under the Creative Commons license http://creativecommons.org/licenses/by/4.0/
- FuncS
Lab
Functional Studies - Pyrophosphate Assay Kit (Fluorometric) (AB112155)
Pyrophosphate measured in tissue lysates showing quantity (nmol) per microgram protein
- FuncS
Supplier Data
Functional Studies - Pyrophosphate Assay Kit (Fluorometric) (AB112155)
Pyrophosphate, ATP and phosphate dose responses were measured with ab112155 in a solid black 96-well plate using a fluorescence microplate reader. As low as 1 µM (100 picomoles/well) pyrophosphate can be detected with 10 minutes incubation.
- FuncS
Lab
Functional Studies - Pyrophosphate Assay Kit (Fluorometric) (AB112155)
Example PPi standard curve.
Data provided for demonstration purposes only.
- FuncS
Lab
Functional Studies - Pyrophosphate Assay Kit (Fluorometric) (AB112155)
Pyrophosphate measured in biofluids showing concentration (micromolar). Obtained values were recalculated from 1 : 1000 sample dilutions.
Product details
Pyrophosphate Assay Kit (Fluorometric) ab112155 provides the most robust spectrophotometric method for the measurement of pyrophosphate.
The pyrophosphate assay protocol uses a proprietary fluorogenic pyrophosphate sensor that has its fluorescence intensity proportionally dependent upon the concentration of pyrophosphate.
This pyrophosphate assay protocol is much easier and more robust than enzyme-coupling pyrophosphate methods, which require at least two enzymes for their pyrophosphate detections. Due to its direct measurement of pyrophosphate, this kit is ideal for screening inhibition or activities of enzymes that consume or generate pyrophosphate.
The pyrophosphate assay is an optimized mix-and-read assay and can be performed in a convenient 96-well or 384-well microtiter-plate format.
Assay time: 10-30 minutes
This product measures PPi formation at Ex/Em = 316/456 nm.
If your instrument has filters for Ex/Em = 370/470 nm, we recommend using Pyrophosphate Assay Kit II (Fluorometric) (ab179836).
Other Notes
Pyrophosphates (PPi) are produced by a number of biochemical reactions, such as ATP hydrolysis, DNA and RNA polymerizations, cyclic AMP formation by the enzyme adenylate cyclase and the enzymatic activation of fatty acids to form their coenzyme A esters.
Samples such as plasma and serum might need a deproteinization step with spin columns
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Supplementary information
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Biological function summary
Inorganic pyrophosphate plays a critical part in bone mineralization and the regulation of calcium and phosphate metabolism. It influences the bone matrix's deposition by calcifying or inhibiting mineralization depending on the balance with phosphates. Within the extracellular matrix pyrophosphate remains associated with proteins such as alkaline phosphatase which converts PPi to phosphate promoting mineralization. Pyrophosphate's activity shows strong relevance in maintaining extracellular fluid stability preventing excessive calcification.
Pathways
The involvement of inorganic pyrophosphate occurs prominently in the regulation of the ATP metabolism pathway and cartilage formation. It is closely related to the enzyme family of pyrophosphatases which include both soluble inorganic pyrophosphatase and membrane-integrated soluble pyrophosphatases. These enzymes orchestrate converting pyrophosphate into orthophosphate ions feeding into the pathways that regulate energy homeostasis and biomineralization. Interaction with proteins like ENPP1 and TNAP highlight its role within the broader context of nucleic acid synthesis and tissue calcification.
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Publications (8)
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Journal of bone and mineral metabolism 42:681-698 PubMed39212714
2024
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eLife 13: PubMed38334260
2024
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Bone 164:116525 PubMed35987514
2022
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Bone 105:134-147 PubMed28866368
2017
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PloS one 12:e0180098 PubMed28704395
2017
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EMBO reports 16:520-7 PubMed25648146
2015
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FuncS
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Nature chemical biology 10:450-6 PubMed24776930
2014
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Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 28:1135-49 PubMed23184610
2012
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Product promise
Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.
For licensing inquiries, please contact partnerships@abcam.com