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Related Experiment Video

Updated: Jan 19, 2026

Single Cell Transcriptional Profiling of Adult Mouse Cardiomyocytes

Single Cell Transcriptional Profiling of Adult Mouse Cardiomyocytes

Published on: December 28, 2011

Single-cell transcriptomic profiling of the aging mouse brain.

Methodios Ximerakis^1,2,3, Scott L Lipnick^4,5,6,7, Brendan T Innes⁸

¹Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, MA, USA. methodios_ximerakis@harvard.edu.

Nature Neuroscience

|September 26, 2019

Summary

This summary is machine-generated.

Aging impacts the brain uniquely across different cell types, not through a single universal process. This study reveals cell-specific gene changes and molecular pathways involved in brain aging.

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Area of Science:

Neuroscience
Genomics
Aging Research

Background:

The mammalian brain comprises diverse cell types with complex functions.
Understanding how cellular aging affects these distinct brain cell types is crucial but largely unknown.

Purpose of the Study:

To investigate cell-type specific alterations in the aging mammalian brain.
To identify aging-related genes, pathways, and molecular interactions across nearly all brain cell types.

Main Methods:

Single-cell transcriptomic analysis of young and old mouse brains.
Comprehensive data generation on gene expression and ligand-receptor interactions.

Main Results:

Identified distinct gene signatures and pathways affected by aging in a cell-type specific manner.
Observed coordinated and opposing gene regulation across different cell populations during aging.
Highlighted ribosome biogenesis as a key molecular process in brain aging.

Conclusions:

Brain aging is characterized by distinct transcriptional programs in each cell population, rather than a universal aging program.
The generated datasets provide a valuable resource for neuroscience research on aging.
This work facilitates future discoveries for understanding and potentially modifying the aging process.