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Analyzing the Permeability of the Blood-Brain Barrier by Microbial Traversal through Microvascular Endothelial Cells
Published on: February 14, 2020
THE EFFECT OF IRRITATION ON THE PERMEABILITY OF THE MENINGES FOR SALVARSAN
1Hospital of The Rockefeller Institute for Medical Research, New York.
The Journal of Experimental Medicine
|October 30, 2009
Summary
Subdural injections of various solutions did not increase the spinal cord or brain permeability to circulating salvarsan. This finding is crucial for understanding drug delivery to the central nervous system.
Area of Science:
- Neuroscience
- Pharmacology
Background:
- The blood-brain barrier (BBB) restricts the passage of substances into the central nervous system (CNS).
- Understanding factors influencing CNS drug permeability is vital for effective therapeutic strategies.
Purpose of the Study:
- To investigate whether subdural injections affect the CNS permeability to systemically administered salvarsan.
- To determine the impact of normal salt solution, normal serum, in vivo salvarsanized serum, and mercury cyanide on salvarsan penetration.
Main Methods:
- Subdural injections of test solutions were administered to subjects with circulating salvarsan.
- The permeability of the spinal cord and brain to salvarsan was assessed post-injection.
Main Results:
- No demonstrable increase in spinal cord or brain permeability to salvarsan was observed following subdural injections.
- The tested solutions (normal saline, serum, treated serum, mercury cyanide) did not enhance salvarsan entry into the CNS.
Conclusions:
- Subdural administration of common solutions does not appear to breach the CNS barrier for salvarsan.
- These findings suggest limitations in using subdural injections to augment salvarsan delivery to the brain and spinal cord.
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