Related Experiment Video
Updated: Jan 15, 2026

07:14
A Quantitative Sensory Testing Paradigm to Obtain Measures of Pain Processing in Patients Undergoing Breast Cancer Surgery
Published on: January 18, 2018
9.8K
Rethinking the temporal dynamics of pain: from 3 months to 3 hours?
Nader Ghasemlou1,2,3
1Department of Biomedical & Molecular Sciences, Queen's University, Kingston, ON, Canada.
Pain
|October 14, 2025
Summary
Pain perception fluctuates daily, influenced by internal body clocks. Understanding these biological rhythms and clock genes offers new pathways for personalized pain management and optimized treatment timing.
Area of Science:
- Chronobiology
- Neuroscience
- Pain Research
Background:
- Pain sensitivity exhibits daily variations, but the underlying mechanisms are not fully understood.
- Core clock genes (e.g., Bmal1, Cry1) are increasingly recognized for their role in pain regulation.
Purpose of the Study:
- To explore the mechanistic link between circadian rhythms, clock genes, and pain perception.
- To investigate the potential of chronobiology in developing personalized pain management strategies.
Main Methods:
- Review of existing literature on clock genes and pain pathways.
- Analysis of neuroimmune interactions regulated by core clock genes.
- Exploration of biomarkers for individual pain variability.
Main Results:
- Core clock genes like Bmal1 and Cry1 modulate pain sensitivity through neuroimmune pathways.
- Individual biological rhythms significantly impact pain outcomes.
- Circadian rhythmicity presents potential biomarkers for pain management.
Conclusions:
- Daily rhythmic patterns in pain perception are mediated by core clock genes.
- Personalized pain management can be achieved by leveraging individual biological rhythms and timing therapies.
- Integrating chronobiology with digital health tools can revolutionize pain treatment approaches.
Related Concept Videos
Pain
1.2K
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...
1.2K
Analgesia and Pain Management
1.5K
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...
1.5K
Opioid Analgesics: Synthetic and Semisynthetic Opioids
914
Synthetic and semisynthetic opioids are pivotal in pain management and tackling opioid addiction. Semisynthetic opioids, including morphinans (morphine derivatives), oxycodone, oxymorphone, hydrocodone, and hydromorphone, have improved pharmacokinetic profiles compared to morphine. Additionally, heroin and 6-MAM (6-Monoacetylmorphine) show better CNS penetration than morphine due to heightened lipid solubility. Hydromorphone, a potent opioid, undergoes hepatic metabolism to form the active...
914
Nociception
33.0K
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.
33.0K
Blood and Nerve Supply to the Bones
13.5K
Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...
13.5K

