Related Experiment Video
Updated: Jan 22, 2026
05:20
Hyperactive piggyBac Transposase-mediated Germline Transformation in the Fall Armyworm, Spodoptera frugiperda
Published on: September 23, 2021
4.9K
Mice Lacking the Transcriptional Coactivator PGC-1α Exhibit Hyperactivity
Jia Wang1,2, Qi Yun2, Jin-Jun Qian1
1Department of Neurology, Fourth Affiliated Hospital of Jiangsu University, Zhenjiang, China.
Neuropsychobiology
|July 3, 2019
Summary
Mitochondrial function is linked to mood disorders. This study found that deleting PGC-1α in specific brain neurons in mice led to mania-like behaviors, suggesting PGC-1α
Area of Science:
- Neuroscience
- Mitochondrial Biology
- Psychiatry
Background:
- Mitochondrial dysfunction is implicated in mood disorders and treatment responses.
- PGC-1α is a key regulator of mitochondrial biogenesis and oxidative phosphorylation.
- The specific role of PGC-1α in affective disorders remains under-investigated.
Purpose of the Study:
- To investigate the involvement of PGC-1α in affective disorder phenotypes.
- To examine the impact of PGC-1α deficiency in GABAergic neurons on behavior.
Main Methods:
- Generated conditional PGC-1α null mice using cre-lox technology targeting Dlx5/6-expressing GABAergic neurons.
- Assessed behavioral changes using a battery of tests including spontaneous activity, elevated plus maze, forced swim test, and tail suspension test.
Main Results:
- Mice lacking PGC-1α in GABAergic neurons displayed increased activity across behavioral tests.
- This heightened activity suggests a potential mania-like phenotype.
- Findings align with existing data linking mitochondrial function to affective disorders.
Conclusions:
- PGC-1α in GABAergic neurons may play a role in affective regulation.
- This research provides a novel link between mitochondrial regulation and mood disorders.
- Further investigation into PGC-1α pathways could offer new therapeutic targets for affective disorders.
Related Concept Videos
01:10Transcription
155.7K
Overview
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
Transcription is the process of synthesizing RNA from a DNA sequence by RNA polymerase. It is the first step in producing a protein from a gene sequence. Additionally, many other proteins and regulatory sequences are involved in the proper synthesis of messenger RNA (mRNA). Regulation of transcription is responsible for the differentiation of all the different types of cells and often for the proper cellular response to environmental signals.
Transcription Can Produce Different Kinds...
155.7K
02:23Master Transcription Regulators
7.7K
Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
7.7K
01:30Attention-Deficit/Hyperactivity Disorder
829
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
829
02:16Transcription Factors
82.3K
Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
82.3K
01:52Eukaryotic Transcription Inhibitors
10.9K
Certain biochemical processes, such as embryonic development and cell growth regulation, depend on the repression of specific genes. DNA binding proteins known as eukaryotic transcription inhibitors regulate the repression of gene expression in eukaryotes. The presence of these inhibitors at the required location and time in the cell is triggered by the presence of hormones and additional signals from other cells.
Eukaryotic transcription inhibitors usually contain two distinct domains, a...
Eukaryotic transcription inhibitors usually contain two distinct domains, a...
10.9K
02:42Eukaryotic Transcription Activators
12.6K
Transcription activators are proteins that promote the transcription of genes from DNA to RNA. In most cases, these proteins contain two separate domains ‒ a domain that binds to DNA and a domain for activating transcription; however, in some cases, a single domain is responsible for both binding and activation of transcription, as seen in the glucocorticoid receptor and MyoD.
The binding domains are capable of recognizing and interacting with regulatory sequences on the DNA. These...
The binding domains are capable of recognizing and interacting with regulatory sequences on the DNA. These...
12.6K