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Modeling cerebral ischemia in neuroproteomics.

Jitendra R Dave1, Anthony J Williams, Changping Yao

  • 1Department of Applied Neurobiology, Walter Reed Army Institute of Research, Silver Spring, MD, USA. jit.dave@na.amedd.army.mil

Methods in Molecular Biology (Clifton, N.J.)
|January 9, 2010
PubMed
Summary

This chapter details preclinical brain injury models and proteomics analysis protocols to discover novel biomarkers for neuroprotection. It covers surgical procedures, sample collection, and advanced techniques like MALDI-TOF MS for protein identification.

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Area of Science:

  • Neuroscience
  • Biochemistry
  • Proteomics

Background:

  • Traumatic and ischemic brain injuries alter protein expression, offering potential diagnostic markers and therapeutic targets.
  • Understanding these protein changes is crucial for developing effective neuroprotective strategies.

Purpose of the Study:

  • To provide an overview of preclinical brain injury models and proteomics analysis protocols.
  • To detail methods for evaluating and discovering novel biomarkers for brain injury.
  • To describe surgical procedures and sample collection techniques for proteomic analysis.

Main Methods:

  • Induction of middle cerebral artery occlusion (MCAo) and implantation of cannulas for drug delivery.
  • Sample collection and tissue processing for blood, cerebrospinal fluid (CSF), and brain tissue.
  • Proteomic analysis involving two-dimensional gel electrophoresis, MALDI-TOF MS, and database comparison for protein identification.

Main Results:

  • Established protocols for inducing specific brain injury models (MCAo).
  • Detailed methodologies for comprehensive sample collection and preparation.
  • Demonstrated a multi-step proteomics workflow for protein separation, quantification, and identification.

Conclusions:

  • Preclinical models and detailed proteomics protocols are essential for biomarker discovery in brain injury.
  • The described methodologies facilitate the identification of novel diagnostic markers and therapeutic targets for neuroprotection.
  • This chapter serves as a guide for researchers investigating protein dynamics in neurological disorders.