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ACS Omega, volume 5, issue 12, pages 6641-6650

Synthesis of Inorganic Pyrophosphatase-Nanodiamond Conjugates Resistant to Calcium and Fluoride

Publication typeJournal Article
Publication date2020-03-20
Journal: ACS Omega
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor4.1
ISSN24701343
General Chemistry
General Chemical Engineering
Abstract
Pyrophosphate arthropathy is the mineralization defect in humans caused by the deposition of microcrystals of calcium pyrophosphate dihydrate in joint tissues. As a potential therapeutic strategy for the treatment of pyrophosphate arthropathy, delivery of exogenous pyrophosphate-hydrolyzing enzymes, inorganic pyrophosphatases (PPases), to the synovial fluid has been suggested. Previously, we synthesized the conjugates of Escherichia coli PPase (Ec-PPase) with detonation synthesis nanodiamonds (NDs) as a delivery platform, obtaining the hybrid biomaterial retaining high pyrophosphate-hydrolyzing activity in vitro. However, most known PPases including Ec-PPase in the soluble form are strongly inhibited by Ca2+ ions. Because synovial fluid contains up to millimolar concentrations of soluble calcium, this inhibition might limit the in vivo application of Ec-PPase-based material in joint tissues. In this work, we proposed other bacterial PPases from Mycobacterium tuberculosis (Mt-PPase), which are resistant to the inhibition by Ca2+ ions, as an active PPi-hydrolyzing agent. We synthesized conjugates of Mt-PPase with NDs and tested their activity under various conditions. Unexpectedly, conjugates of both Ec-PPase and Mt-PPase with aminated NDs retained significant hydrolytic activity in the presence of well-known mechanism-based PPase inhibitors, fluoride or calcium. The incomplete inhibition of PPases by fluoride or calcium was found for the first time.

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Valueva A. V. et al. Synthesis of Inorganic Pyrophosphatase-Nanodiamond Conjugates Resistant to Calcium and Fluoride // ACS Omega. 2020. Vol. 5. No. 12. pp. 6641-6650.
GOST all authors (up to 50) Copy
Valueva A. V., Roman L. S., Vorobyeva N. N., Kurilova S. A., Rodina E. V. Synthesis of Inorganic Pyrophosphatase-Nanodiamond Conjugates Resistant to Calcium and Fluoride // ACS Omega. 2020. Vol. 5. No. 12. pp. 6641-6650.
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TY - JOUR
DO - 10.1021/ACSOMEGA.9B04428
UR - https://doi.org/10.1021%2FACSOMEGA.9B04428
TI - Synthesis of Inorganic Pyrophosphatase-Nanodiamond Conjugates Resistant to Calcium and Fluoride
T2 - ACS Omega
AU - Valueva, Anastasiya V.
AU - Vorobyeva, Nataliya N.
AU - Kurilova, Svetlana A
AU - Rodina, Elena V.
AU - Roman, Lucimara S
PY - 2020
DA - 2020/03/20 00:00:00
PB - American Chemical Society (ACS)
SP - 6641-6650
IS - 12
VL - 5
PMID - 32258899
SN - 2470-1343
ER -
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BibTex Copy
@article{2020_Valueva,
author = {Anastasiya V. Valueva and Nataliya N. Vorobyeva and Svetlana A Kurilova and Elena V. Rodina and Lucimara S Roman},
title = {Synthesis of Inorganic Pyrophosphatase-Nanodiamond Conjugates Resistant to Calcium and Fluoride},
journal = {ACS Omega},
year = {2020},
volume = {5},
publisher = {American Chemical Society (ACS)},
month = {mar},
url = {https://doi.org/10.1021%2FACSOMEGA.9B04428},
number = {12},
pages = {6641--6650},
doi = {10.1021/ACSOMEGA.9B04428}
}
MLA
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Valueva, Anastasiya V., et al. “Synthesis of Inorganic Pyrophosphatase-Nanodiamond Conjugates Resistant to Calcium and Fluoride.” ACS Omega, vol. 5, no. 12, Mar. 2020, pp. 6641-6650. https://doi.org/10.1021%2FACSOMEGA.9B04428.
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