EI8
Leupeptin
lyophilized powder, protease inhibitor, Chemicon®
Synonym(s):
N-Acetyl-L-leucyl-L-leucyl-L-argininal, Ac-Leu-Leu-Arg-H, Acetyl-L-leucyl-L-leucylargininal, Leupeptin hemisulfate
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About This Item
UNSPSC Code:
51111800
eCl@ss:
32160405
NACRES:
NA.77
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General description
Leupeptin is a water-soluble and cell-permeable organic compound. It is produced by various species of actinomycetes and several other fungal families.
Application
Leupeptin has been used as a protease inhibitor supplement in cell lysis buffer for sample preparation.
Biochem/physiol Actions
Leupeptin serves as a lysosomal protease and calpain (serine- and cysteine-like protease) inhibitor. It may be used to reduce the cell death induced by excess calpain activation. Leupeptin confers significant protection against hair cell damage caused by gentamicin ototoxicity. In addition, it also impedes protein degradation in denervated rat muscles and muscles of mice with hereditary muscular dystrophy. Thus, leupeptin may be beneficial in hindering tissue atrophy.
Physical form
Lyophilized.
Storage and Stability
Maintain dry at -20ºC for up to 18 months after date of receipt. Store reconstituted product in aliquots at -20ºC for up to 6 months. Avoid repeated thaw freeze cycles.
Legal Information
CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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P Libby et al.
Science (New York, N.Y.), 199(4328), 534-536 (1978-02-03)
The protease inhibitor leupeptin decreases protein degradation in rat skeletal and cardiac muscle incubated in vitro, while protein synthesis remains unaltered. Leupeptin also lowers protein breakdown in denervated rat muscles and affected muscles from mice with hereditary muscular dystrophy. Leupeptin
Patrick J Lupardus et al.
Methods (San Diego, Calif.), 41(2), 222-231 (2006-12-27)
Our knowledge of cell cycle events such as DNA replication and mitosis has been advanced significantly through the use of Xenopus egg extracts as a model system. More recently, Xenopus extracts have been used to investigate the cellular mechanisms that
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American journal of respiratory and critical care medicine, 175(11), 1134-1138 (2007-03-24)
Controlled mechanical ventilation (CMV) has been shown to result in elevated diaphragmatic proteolysis and atrophy together with diaphragmatic contractile dysfunction. To test whether administration of leupeptin, an inhibitor of lysosomal proteases and calpain, concomitantly with 24 hours of CMV, would
Erika Billinger et al.
FEBS open bio, 10(12), 2605-2615 (2020-10-06)
Leupeptin is a naturally occurring inhibitor of various proteases, in particular serine proteases. Following its discovery, the inhibitory properties of several other peptidyl argininals have been studied. The specificity of leupeptin is most likely due to the Leu-Leu-Argininal sequence, and
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American journal of human genetics, 101(3), 391-403 (2017-09-09)
In five separate families, we identified nine individuals affected by a previously unidentified syndrome characterized by growth retardation, spine malformation, facial dysmorphisms, and developmental delays. Using homozygosity mapping, array CGH, and exome sequencing, we uncovered bi-allelic loss-of-function CDK10 mutations segregating
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