Clipos™ Clodronate Encapsulated Liposomes

Catalog:CDECLD-1686

Unit Size:2 mL, 5 mL, 10 mL

INQUIRY Datasheet

Specifications
Description Liposomal Clodronat is a multilamellar liposome suspension in which clodronate is encapsulated in the aqueous compartments of the liposomes.
Lipid composition L-α-PC/Cholesterol (70/30 molar ratio)
Liposome Size 100 nm
Lipid Mass Concentration 23 mg/mL
Lipid Molar Concentration 35.1 mM
Encapsulated Drug Clodronate ((Dichloro-phosphono-methyl)phosphonate), Disodium Salt
Drug concentration 18.4 mM
Depending on the type of the clodronate salt, its concentration (mg/mL) varies. If tetra hydrate salt is used, the concentration of the encapsulated drug will be ~7 mg/mL, and if a non-hydrated salt is used, the concentration will be ~5 mg/mL.
Appearance White milky suspensions made of large micro size multilamellar liposomes. Due to their large size, some liposomes might settle to the bottom of the vial. If left sitting idle in the refrigerator, will phase separate and form pellets in the bottom of the vial leaving a clear solution on top, should be shaken to form a homogeneous solution prior to use.
Buffer Phosphate Buffered Saline, pH 7.4
Storage Should always be stored at in the dark at 4 °C, except when brought to room temperature for brief periods prior to animal dosing. DO NOT FREEZE. If the suspension is frozen, clodronate can be released from the liposomes thus limiting its effectiveness in depleting macrophages. ENS is not responsible for results generated by frozen product.
Shelf-life 60 days
Technical Notes When animals or cells are treated with Liposomal Clodronate, phagocytic cells recognize the liposomes as invading foreign particles and proceed to remove the liposomes from the local tissue or serum via phagocytosis. The liposomes then release clodronate into the cytosol resulting in cell death. Unencapsulated clodronate cannot cross the cell membrane to initiate cell death.
Control of Liposomal Clodronateare recognized and phagocytosed by the same mechanism as Liposomal Clodronate (CDECLD-1686). Since the control liposomes do not contain clodronate, the phagocytic cells are not killed. However, phagocytes do respond to the ingestion of the control liposomes by cytokine secretion, temporary suspension of phagocytic activity and other responses described in the literature.
The product must be removed from the vial using sterile technique. Do not use if sterility is compromised. This is particularly important if a single vial is accessed multiple times over several weeks. The product should not be used more than 60 days after receipt, even if unopened.
Liposomes may settle when left undisturbed for more than a few hours. Immediately prior to use, in order to ensure a homogeneous liposome suspension, slowly invert the vial several times until the suspension appears homogeneous by visual inspection. Vigorous or erratic shaking will not damage the liposomes, but may induce foaming and bubble formation making it more difficult to accurately measure the desired dosage.
If the personnel performing intravenous injections are not experienced in or familiar with, precautions for injecting larger volumes (~10% animal weight in ml), viscous liquids or particulate suspensions, consider having extra animals available in case serious injection-related adverse events occur. Dose control animals first to become familiar with large volume injections.
Within hours after systemic administration of Liposomal Clodronate, animals begin to lose important components of their immune system. Standard animal handling and housing protocols are not suitable for immunocompromised animals. Even when such precautions are taken, monitor the general health of each animal for opportunistic infections unrelated to the experimental protocol. There is no inherent toxicity to the product at the recommended dose levels.
When dosing intravenously, use standard precautions for dosing larger volumes to animals including the following: a) Warm product to room temperature prior to dosing. b) Ensure that all air bubbles are removed from the syringe prior to dosing; intravenous injection of air bubbles may result in air emboli which can kill or seriously injure animals. c) Inject product at a slow, steady rate of no more than 1 ml/min; decrease infusion rate if animals display any atypical reactions such as unusual agitation.
Infusion-related adverse reactions usually involve the animal gasping for air or other seizure-like movements. Animals often recover with no apparent permanent injury, but any potential effects on experimental results must be assessed by the researcher.
Related Products
Product Name Catalog Lipid composition Liposome Size Price
Clipos™ Control of Clodronate Encapsulated Liposomes CDECLD-1690 L-α-PC/Cholesterol (70/30 molar ratio) 100 nm INQUIRY
Clipos™ Neutral Clodronate Encapsulated Liposomes CDL7001C-NH PC/Cholesterol INQUIRY
Clipos™ Control of Neutral Clodronate Encapsulated Liposome, Lyophilized CDL7001-NL PC/Cholesterol INQUIRY
Clipos™ Control of Neutral Clodronate Encapsulated Liposomes CDL7001-N PC/Cholesterol INQUIRY
Clipos™ Neutral Clodronate Encapsulated liposomes, Lyophilized CDL7001C-NL PC/Cholesterol INQUIRY
Clipos™ Control of Neutral Clodronate Encapsulated Liposomes, High Potency CDL7001-NH PC/Cholesterol INQUIRY
Clipos™ Clodronate Encapsulated Liposomes CDL7001C-N PC/Cholesterol INQUIRY
Clipos™ Anionic Clodronate Encapsulated Liposomes CDL7001C-A PC/PG/Cholesterol INQUIRY
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