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Updated: Jul 19, 2026

In Vivo SiRNA Transfection and Gene Knockdown in Spinal Cord via Rapid Noninvasive Lumbar Intrathecal Injections in Mice
Published on: March 22, 2014
Opioid analgesia: new information from gene knockout studies
1Pharmacology Research Group, School of Biological Sciences, University of Surrey, Guildford, Surrey, UK.
Opioid knockout mice offer precise tools to study opioid systems. These genetically modified animals enhance understanding of opioid physiology, pathophysiology, and pharmacology, aiding research into receptor diversity.
Area of Science:
- Neuroscience
- Pharmacology
- Genetics
Background:
- Opioid peptides and receptors are crucial for pain modulation and other physiological processes.
- Understanding their complex roles has been historically challenging due to limited selective tools.
Purpose of the Study:
- To leverage the development of gene-targeted knockout mice for opioid peptides and receptors.
- To investigate the physiological, pathophysiological, and pharmacological functions of the opioid system with high selectivity.
Main Methods:
- Generation of knockout mice lacking specific genes for opioid peptides or receptors.
- Utilizing these genetically modified animals to study opioid system functions.
Main Results:
- The knockout approach provides unparalleled selectivity in protein removal.
- These models are crucial for elucidating opioid system physiology and pathophysiology.
- Insights into receptor subtype heterogeneity and functional cooperativity are being gained.
Conclusions:
- Opioid knockout mice are invaluable tools for advancing the study of the opioid system.
- This approach offers significant impact in resolving long-standing questions in opioid research.
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