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Updated: Jul 3, 2026

Short-Term Free-Floating Slice Cultures from the Adult Human Brain
Published on: November 5, 2019
The adult human brain in preclinical drug development
1Department of Pharmacology and the National Research Centre for Growth and Development, Faculty of Medical and Health Sciences, The University of Auckland, Auckland, New Zealand. m.dragunow@auckland.ac.nz
Abstract:
Neurodegenerative disorders are caused by the death and dysfunction of brain cells, but despite a huge worldwide effort, no neuroprotective treatments that slow cell death currently exist. The failure of translation from animal models to humans in the clinic is due to many factors including species differences, human brain complexity, age, patient variability and disease-specific phenotypes. Additional methods are therefore required to overcome these obstacles in neuroprotective drug development. Incorporating target validation using human brain-tissue microarray screening and direct human brain-cell testing at an early preclinical stage to isolate molecules that protect the human brain may be an effective strategy.
Insights
Developing new neuroprotective treatments for neurodegenerative disorders is challenging. This study proposes using human brain tissue and cells early in preclinical drug development to improve success rates.
Area of Science:
- Neuroscience
- Pharmacology
- Drug Development
Background:
- Neurodegenerative disorders result from brain cell death and dysfunction.
- Current neuroprotective treatments are lacking due to challenges in translating animal models to human clinical trials.
- Factors like species differences, human brain complexity, and patient variability hinder drug development.
Purpose of the Study:
- To propose an improved strategy for neuroprotective drug development.
- To overcome obstacles in translating preclinical findings to human clinical applications.
- To identify molecules that protect the human brain effectively.
Main Methods:
- Utilizing human brain-tissue microarray screening for target validation.
- Conducting direct human brain-cell testing in early preclinical stages.
- Isolating molecules with demonstrated neuroprotective properties in human systems.
Main Results:
- The proposed methods aim to enhance the accuracy of preclinical screening.
- Early-stage testing on human tissues and cells can identify promising drug candidates.
- This approach may lead to more effective neuroprotective therapies.
Conclusions:
- Incorporating human-specific testing early in drug development is crucial.
- This strategy can improve the translation of neuroprotective treatments from lab to clinic.
- Target validation using human brain-tissue and cells offers a promising path forward.
Related Concept Videos
Preclinical Development: Overview
Clinical Trials: Overview

