Related Experiment Video
Updated: Jul 2, 2025

07:23
Assessment of Morphine-induced Hyperalgesia and Analgesic Tolerance in Mice Using Thermal and Mechanical Nociceptive Modalities
Published on: July 29, 2014
33.3K
Systems genetics analysis reveals the common genetic basis for pain sensitivity and cognitive function
Fuyi Xu1, Anran Chen2, Shuijing Pan1
1Shandong Technology Innovation Center of Molecular Targeting and Intelligent Diagnosis and Treatment, Binzhou Medical University, Yantai, China.
CNS Neuroscience & Therapeutics
|February 29, 2024
Summary
Genetic background influences pain sensitivity and cognitive function. Ring finger protein 20 (Rnf20) and PI3K-Akt signaling are key molecular mechanisms linking these traits.
Area of Science:
- Neuroscience
- Genetics
- Molecular Biology
Background:
- Pain sensitivity and cognitive function are increasingly linked.
- Underlying molecular mechanisms require further elucidation.
Purpose of the Study:
- Explore candidate genes and molecular pathways connecting pain sensitivity and cognitive function.
- Utilize transcriptome-wide association study in BXD mice.
Main Methods:
- Analyze pain sensitivity and cognitive phenotypes in 60 BXD mouse strains.
- Correlate phenotypes with hippocampus transcriptomes.
- Employ quantitative trait locus (QTL) mapping and systems genetics.
Main Results:
- Pain sensitivity varies significantly and co-varies with cognitive traits.
- Hippocampal genes linked to pain sensitivity are involved in glutamatergic synapse and PI3K-Akt signaling.
- Ring finger protein 20 (Rnf20) identified as a key candidate gene regulating both traits via PI3K-Akt signaling.
Conclusions:
- Pain sensitivity is influenced by genetic background.
- Rnf20-mediated PI3K-Akt signaling plays a role in regulating pain sensitivity and cognitive functions.
Related Concept Videos
Human Genetics
566
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
566
Genome-wide Association Studies-GWAS
13.4K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
13.4K
Nociception
27.9K
Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain.
27.9K
Analgesia and Pain Management
618
Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
618
Pain
478
Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
478
Behavioral Genetics and Its Designs
366
Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
366

