期刊
JOURNAL OF NEUROSCIENCE METHODS
卷 161, 期 2, 页码 285-290出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jneumeth.2006.11.002
关键词
spinal muscular atrophy; mouse; neonatal; drug delivery; oral administration; spinal cord
资金
- NINDS NIH HHS [R01 NS038650, R01 NS038650-01, NS3860] Funding Source: Medline
Spinal muscular atrophy (SMA) is a devastating motor neuron disease that is one of the leading genetic causes of infant mortality. Currently, there is no cure for SMA. Mouse models that genetically and phenotypically resemble SMA have been generated and have the potential to be used for the discovery of novel therapeutics. Oral administration is a commonly used mode of drug delivery in humans as well as in rodents. Unfortunately, there is no method of drug delivery that can accurately and reliably deliver drug compounds orally to neonatal mice. In this report, we describe a novel method to orally administer compounds to neonatal SMA mice. Oral delivery to neonatal mice, usually starting at postnatal day 4 (PND04), is both rapid and safe to the pup. Oral delivery of two different commonly used vehicle formulations, distilled water and 2-hydroxypropyl-beta-cyclodextrin, does not affect the survival of SMA mice. After oral delivery for 3 days, 5-bromo-2 '-deoxyuridine could be detected in the kidneys, brains and spinal cords of treated non-SMA as well as SMA neonatal pups. In conclusion, we have developed a method by which drugs can be safely and reliably administered orally to neural targets of neonatal mice. This approach offers a simple and rapid means by which potential therapeutics for SMA can be identified. (C) 2006 Elsevier B.V. All rights reserved.
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