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Cell Specific Gene Expression

Cell Specific Gene Expression

Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...

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Related Experiment Video

Updated: Jun 16, 2025

Author Spotlight: Generation and Manipulation of Rat Intestinal Organoids

Author Spotlight: Generation and Manipulation of Rat Intestinal Organoids

Published on: June 23, 2023

Genes Selectively Expressed in Rat Organs.

Dan Li¹, Xulian Wan², Yu Yun¹

¹The Department of Pharmacology, School of Basic Medicine, Kunming Medical University, Kunming, 650500, China.

Current Genomics

|August 19, 2024

Summary

This summary is machine-generated.

Scientists identified 1,406 selective genes in 11 rat organs using high-throughput sequencing. These novel genes and pathways offer insights into molecular mechanisms and potential disease markers for various organs.

Keywords:

DNA High-throughput sequencing genetic variations organic markers rat selective expression

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Area of Science:

Molecular Biology
Genomics
Bioinformatics

Background:

Understanding molecular-level organic functions is crucial for disease mechanism elucidation.
Developing diagnostic and therapeutic methods relies on insights into gene expression patterns.

Purpose of the Study:

To identify genes selectively expressed across 11 distinct rat organs.
To characterize novel genes and pathways for potential use as disease markers.

Main Methods:

High-throughput sequencing (Solexa) was employed to analyze gene expression in rat organs.
Selective genes were identified based on expression levels, statistical significance (p < 0.05, q < 0.05), and abundance (>70%).
Kyoto Encyclopedia of Genes and Genomes (KEGG) and Gene Ontology (GO) pathway enrichment analysis was performed.

Main Results:

1,406 selective genes were identified across 11 rat organs.
Of these, 1,283 genes are documented, while 123 are novel.
Pathway enrichment analysis revealed insights into organ-specific functions, with some requiring further investigation.

Conclusions:

The identified selective genes and pathways advance the understanding of organ mechanisms at a molecular level.
Products of selective genes serve as potential candidate biomarkers for organ-related diseases.