|ZFIN ID: ZDB-PUB-180531-4|
Comparison of solvate ionic liquids and DMSO as an in vivo delivery and storage media for small molecular therapeutics
Yoganantharajah, P., Ray, A.P., Eyckens, D.J., Henderson, L.C., Gibert, Y.
|Source:||BMC Biotechnology 18: 32 (Journal)|
|Registered Authors:||Gibert, Yann|
|Keywords:||Aldh1a2, DEAB, Embryogenesis, FGFR, Ionic liquids, Retinoic acid, SU5402, Zebrafish|
|PubMed:||29843701 Full text @ BMC Biotechnol.|
Yoganantharajah, P., Ray, A.P., Eyckens, D.J., Henderson, L.C., Gibert, Y. (2018) Comparison of solvate ionic liquids and DMSO as an in vivo delivery and storage media for small molecular therapeutics. BMC Biotechnology. 18:32.
Background Solvate ionic liquids (SILs) are a new class of ionic liquids that are equimolar solutions of lithium bistrifluoromethanesulfonimide in either triglyme or tetraglyme, referred to as G3LiTFSA and G4LiTFSA, respectively. SILs play a role in energy storage lithium batteries, and have been proposed as potential alternatives to traditional organic solvents such as DMSO. G3TFSA and G4TFSA have been shown to exhibit no toxicity in vivo up to 0.5% (v/v), and solubilize small compounds (N,N-diethylaminobenzaldehyde) with full penetrance, similar to DMSO delivered DEAB. Herein, we compare the effects of storage (either at room temperature or - 20 °C) on DEAB solubilized in either DMSO, G3TFSA or G4TFSA to investigate compound degradation and efficacy.
Results The findings show that DEAB stored at room temperature (RT) for 4 months solubilized in either G3TFSA, G4TFSA or DMSO displayed no loss of penetrance. The same was observed with stock solutions stored at - 20 °C for 4 months; however G4TFSA remained in a liquid state compared to both G3TFSA and DMSO. Moreover, we examined the ability of G3TFSA and G4TFSA to solubilize another small molecular therapeutic, the FGFR antagonist SU5402. G4TFSA, unlike G3TFSA solubilized SU5402 and displayed similar phenotypic characteristics and reduced dlx2a expression as reported and shown with SU5402 in DMSO; albeit more penetrative.
Conclusion This study validates the use of these ionic liquids as a potential replacement for DMSO in vivo as organic solubilizing agents.
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