Brain Tissue Collection
Brain Tissue Collection - Related Videos
02:37
Frozen Mouse Brain Tissue Sectioning: A Procedure to Obtain Thin Frozen Tissue Sections from Frozen Murine Brain Tissue
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2023
In this video, we demonstrate the sectioning of a frozen mouse brain tumor tissue using a cryostat. The frozen brain tissue sections so obtained are stored at low temperatures until further analysis.
08:23
Implementation of Minimally Invasive Brain Tumor Resection in Rodents for High Viability Tissue Collection
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Cited by 1 •
2022
The present protocol describes a standardized resection of brain tumors in rodents through a minimally invasive approach with an integrated tissue preservation system. This technique has implications for accurately mirroring the standard of care in rodent and other animal models.
09:13
Diagnostic Necropsy and Selected Tissue and Sample Collection in Rats and Mice
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Cited by 49 •
2011
This article describes the procedures for conducting a basic postmortem examination of a mouse or rat, and the collection of basic organs, as well as more challenging sample types from for histological, microbiological, and PCR evaluation.
12:28
Abbiategrasso Brain Bank Protocol for Collecting, Processing and Characterizing Aging Brains
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Cited by 25 •
2020
This protocol describes a method to track individual brain-aging trajectories through a brain donation program and proper characterization of brains. Brain donors are involved in a long-term longitudinal study including serial multi-dimensional assessments. The protocol contains a detailed description of brain processing and an accurate diagnostic methodology.
07:06
Collection of Frozen Rodent Brain Regions for Downstream Analyses
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Cited by 20 •
2020
This procedure describes the collection of discrete frozen brain regions to obtain high-quality protein and RNA using inexpensive and commonly available tools.
FAQs
The intended assay determines whether a sample should be fixed or rapidly frozen. Fixation prioritizes preserving tissue morphology, whereas rapid freezing is used when maintaining nucleic acids, proteins, or other analytes is important. Matching preservation to the downstream measurement helps retain the information that the assay is designed to assess.
Accurate anatomical identification anchors the sample to a defined brain region, making structural, molecular, and cellular findings interpretable in relation to neural organization. Dissection under controlled conditions then helps preserve the distinction between regions. This regional specificity is important when comparing samples or linking tissue measurements with development, disease, behavior, or treatment responses.
Degradation and contamination can alter the measured properties of a sample, even when the anatomical target is correct. Careful handling limits these risks, while clear labeling preserves the connection between each specimen and its source. Appropriate storage further supports data quality and reproducibility across analyses.
A basic workflow begins with identifying the intended anatomical region, followed by controlled dissection and selection of fixation or rapid freezing according to the planned assay. Samples should then be labeled and stored appropriately. This sequence keeps collection decisions aligned with later morphological, molecular, or biochemical measurements.
Brain tissue collection can supply material for histology, immunohistochemistry, transcriptomic, and biochemical analyses. These approaches examine different aspects of neural tissue: histology and immunohistochemistry support structural and cellular assessment, while transcriptomic and biochemical studies address molecular composition. Selecting preservation around the assay protects the relevant readout.
In neuroscience, collected tissue connects measurements from brain samples with questions about development, disease, behavior, and responses to experimental treatments. Regional sampling can relate neural organization to these contexts, while molecular or cellular assays reveal which properties change. The resulting data help researchers compare conditions and interpret how brain structure and composition relate to function.