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Organization of the Brain

Organization of the Brain

The brain is an integral component of the nervous system and serves as the center for processing sensory inputs, making decisions, and directing bodily actions. This complex organ is organized into three primary sections: the hindbrain, midbrain, and forebrain, each responsible for a range of vital functions.
Hindbrain
The hindbrain, located at the base of the brain, plays a vital role in regulating automatic processes that sustain life. It includes the medulla oblongata, which is essential for...

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Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data

Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data

Published on: June 26, 2013

Spatial Omics: Navigating Neuroscience Research into the New Era.

Pengfei Guo^1,2, Yanxiang Deng^3,4

¹Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.

Advances in Neurobiology

|November 26, 2024

Summary

Spatial omics technologies revolutionize brain research by mapping gene expression with unprecedented detail. These advanced methods offer deeper insights into neural development and diseases like Alzheimer's.

Keywords:

Epigenome Neurologic diseases Neuroscience Spatial omics Transcriptome

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Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data

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Modeling the Functional Network for Spatial Navigation in the Human Brain

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Area of Science:

Neuroscience
Molecular Biology
Genomics

Background:

The human brain's intricate structure relies on coordinated cellular activity, but traditional methods struggle to analyze diverse neuron types comprehensively.
Existing techniques like in situ hybridization and immunohistochemistry have resolution and scope limitations for detailed neural analysis.

Purpose of the Study:

To highlight the transformative impact of spatial omics technologies on understanding brain organization and function.
To explore how advanced spatial omics methods overcome limitations of conventional techniques in neuroscience research.

Main Methods:

Fluorescence In Situ Hybridization (FISH)-based methods (smFISH, seqFISH, MERFISH) provide high-resolution spatial gene expression.
In Situ Sequencing (ISS) utilizes padlock probes and rolling circle amplification for spatial transcriptome mapping.
Next-Generation Sequencing (NGS)-based spatial omics (e.g., spatial transcriptomics, spatial-epigenomics) integrate spatial barcodes with single-cell sequencing for comprehensive profiling.

Main Results:

Spatial omics technologies offer detailed spatial context, overcoming limitations of conventional methods in analyzing brain tissue.
These technologies enable the identification of cellular heterogeneity and molecular alterations in neurological conditions.
Insights into neural development and diseases such as Alzheimer's and major depression are significantly advanced.

Conclusions:

Spatial omics technologies are revolutionizing neuroscience by providing unprecedented molecular and spatial resolution of the brain.
Continued evolution of these technologies promises deeper understanding of brain mechanisms and neurodegenerative diseases.
Despite challenges, spatial omics represents a significant leap forward in brain research.