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An Improved Method for Collection of Cerebrospinal Fluid from Anesthetized Mice
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Published on: March 19, 2018

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Rat Cerebrospinal Fluid Treatment Method through Cisterna Cerebellomedullaris Injection

Thainá Garbino Dos Santos1, Mery Stéfani Leivas Pereira2, Diogo Losch Oliveira2

  • 1Laboratory of Cellular Neurochemistry, Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, 90035-003, Brazil. thainagarbino@gmail.com.

Neuroscience Bulletin
|April 14, 2018
PubMed

Insights

Directly delivering drugs to the central nervous system is crucial for treating brain conditions like glioma. This study presents a novel intracisternal injection technique for delivering glutamate receptor ligands in rodent models.

Area of Science:

  • Neuroscience
  • Pharmacology
  • Oncology

Background:

  • Blood-brain barrier (BBB) restricts central nervous system (CNS) drug delivery.
  • Glioma aggressiveness is linked to the glutamatergic system.
  • Some glutamate receptor ligands do not cross the BBB.

Purpose of the Study:

  • To develop and demonstrate a technique for direct drug delivery into the cerebrospinal fluid (CSF).
  • To investigate the use of intracisternal injections for delivering BBB-impermeable drugs in a glioma rat model.

Main Methods:

  • Glioma-implanted rats were used.
  • A direct intracisternal injection technique into the cisterna cerebellomedullaris was employed.
  • Methylene blue solution was used to confirm injection efficiency.

Main Results:

  • The study successfully demonstrated a method for direct CSF drug delivery.
  • The technique allows for targeted delivery of ligands that cannot cross the BBB.
  • The method is adaptable for various rodent models and drugs.

Conclusions:

  • Intracisternal injection is a viable method for delivering drugs directly into the CNS.
  • This technique is valuable for neuroscience research, particularly for studying BBB-impermeable compounds in conditions like glioma.
Keywords:
Central nervous systemCerebrospinal fluid treatmentCisterna magnaDrug administrationIntracisternal injectionNeurobiologyNeuroscienceRodentSurgical technique

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