Related Experiment Video
Updated: Mar 25, 2026

08:03
Spontaneous and Evoked Measures of Pain in Murine Models of Monoarticular Knee Pain
Published on: February 22, 2019
9.0K
MicroRNA-Based Biomarkers in Pain
Sujay Ramanathan1, Seena K Ajit1
1Department of Pharmacology and Physiology, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA.
Advances in Pharmacology (San Diego, Calif.)
|February 28, 2016
Summary
Circulating microRNAs (miRNAs) in exosomes show promise as noninvasive biomarkers for chronic pain. Identifying specific miRNA signatures can improve patient stratification, treatment, and clinical trial design for personalized pain medicine.
Area of Science:
- Biochemistry
- Genetics
- Pharmacology
Background:
- Biomarkers are crucial for personalized medicine, aiding in precise diagnosis and treatment.
- Circulating microRNAs (miRNAs) are explored as noninvasive biomarkers for various conditions, including chronic pain.
- Exosomal miRNAs offer novel avenues for therapeutic intervention and biomarker discovery.
Purpose of the Study:
- To explore the potential of circulating microRNAs (miRNAs) as noninvasive biomarkers for chronic pain.
- To investigate the utility of miRNA signatures in patient stratification, prognosis, and bridging preclinical and clinical research.
- To highlight the impact of miRNA identification on drug development and personalized pain management.
Main Methods:
- Utilizing high-precision quantitative polymerase chain reaction (qPCR) for sensitive miRNA detection.
- Analyzing circulating miRNAs within exosomes for biomarker discovery.
- Correlating miRNA expression patterns with pain conditions, treatment responses in patients, and animal models.
Main Results:
- Dysregulated miRNA expression in bodily fluids is linked to chronic pain states.
- miRNA signatures can be identified and may reverse upon treatment.
- Multiple miRNA biomarkers may enhance treatment efficacy in heterogeneous pain populations.
Conclusions:
- Circulating exosomal miRNAs are promising noninvasive biomarkers for chronic pain.
- miRNA profiling can guide patient stratification, treatment selection, and clinical trial design.
- Identifying altered miRNAs in chronic pain impacts drug development and advances individualized patient care.
Related Concept Videos
Analgesia and Pain Management
2.8K
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...
2.8K
MicroRNAs
24.6K
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After...
24.6K
MicroRNAs
4.2K
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
4.2K
Nociception
34.3K
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.
34.3K

