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Nikhil Prasad  Fact checked by:Thailand Medical News Team Nov 10, 2024  3 weeks, 5 days, 7 hours, 33 minutes ago

Semaglutide Offers Hope for Reducing Diabetic Nerve Pain and Inflammation in the Spinal Cord

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Semaglutide Offers Hope for Reducing Diabetic Nerve Pain and Inflammation in the Spinal Cord
Nikhil Prasad  Fact checked by:Thailand Medical News Team Nov 10, 2024  3 weeks, 5 days, 7 hours, 33 minutes ago
Medical News: Diabetic neuropathic pain (DNP) affects millions of people globally, severely diminishing quality of life with persistent pain and discomfort. Traditional treatments for neuropathic pain, such as opioids and other pain medications, often fall short due to limited effectiveness and potential for dependency. Recent research has turned attention toward semaglutide (Ozempic, Wegovy, Rybelsus), a GLP-1 receptor agonist commonly used to treat type 2 diabetes, to explore its potential benefits in treating diabetic neuropathic pain. This Medical News report delves into findings by researchers from Cathay General Hospital, Yuanpei University of Medical Technology, and the National Defense Medical Center, all in Taiwan, on how semaglutide might alleviate pain by targeting neuroinflammation in the spinal cord.


Semaglutide Offers Hope for Reducing Diabetic Nerve Pain and Inflammation in the Spinal Cord

Study Setup: Testing Semaglutide's Effects on Nerve Pain
In this study, researchers investigated semaglutide’s impact on diabetic nerve pain by conducting tests on diabetic rats. The rats, grouped into four categories, received either saline or varied doses of semaglutide after an induced diabetic condition. For four weeks, semaglutide was administered in both a lower (1.44 mg/kg) and higher dose (2.88 mg/kg) through oral treatments. Behavioral responses were evaluated, specifically measuring mechanical allodynia (pain from normally non-painful stimuli) and thermal hyperalgesia (increased sensitivity to pain), both markers of neuropathic pain.
 
Key Findings: Reduced Pain Sensitivity and Neuroinflammation
The study’s results were promising, with notable reductions in pain sensitivity in semaglutide-treated rats. Compared to diabetic rats treated with saline, those receiving semaglutide showed significant improvements in mechanical pain thresholds and thermal response times. Notably, these improvements occurred regardless of whether they received the lower or higher dose of semaglutide, highlighting its effectiveness even at modest levels.
 
In addition to behavioral changes, biochemical analyses showed that semaglutide-treated rats had lower levels of pro-inflammatory cytokines, particularly TNF-α, IL-1β, and IL-6. These inflammatory markers play a substantial role in pain sensitivity by promoting neuroinflammation in the spinal cord. The presence of these cytokines and increased inflammation in diabetic rats treated with saline reinforced the link between inflammation and neuropathic pain. By reducing these inflammatory molecules, semaglutide alleviated the inflammatory environment in the spinal cord, demonstrating a potential anti-inflammatory benefit in treating diabetic nerve pain.
 
Mechanisms Behind Semaglutide’s Effectiveness
The study suggested that semaglutide's efficacy might be due to its action on glial cells, which are involved in immune responses within the central nervous system. In diabetic rats, microglial and astrocyte cells showed heightened activity . This increased activity is linked with neuroinflammation, a key contributor to the development and persistence of neuropathic pain. Semaglutide’s ability to reduce this glial activation, as seen in reduced expression of the specific markers IBA-1 (for microglia) and GFAP (for astrocytes), demonstrated that the drug can effectively lower inflammation in the nervous system.
 
Impact on Blood Sugar, AGEs, and Body Weight
While semaglutide showed limited effects on blood glucose levels and body weight, its benefits extended to reducing advanced glycation end products (AGEs) in the blood. AGEs, harmful compounds formed through prolonged high blood sugar, contribute to inflammation and nerve damage. By reducing these compounds, semaglutide could potentially help manage diabetic complications beyond nerve pain.
 
The higher dose of semaglutide was more effective in lowering AGEs, suggesting a dose-dependent response. Though body weight improvements were limited, the reduction in AGEs highlights semaglutide’s potential for managing other diabetic complications.
 
Conclusion: A Promising Step Toward Neuropathic Pain Relief
The research team’s findings underline semaglutide's potential as a neuroprotective and anti-inflammatory treatment for diabetic neuropathic pain. By lowering inflammation in the spinal cord and reducing pain sensitivity, semaglutide could offer an effective alternative or complement to existing neuropathic pain treatments. With the reduction in harmful inflammatory markers and limited side effects compared to opioids, this study suggests that semaglutide might be repurposed as a viable option for managing diabetic neuropathy.
 
The study findings were published in the peer-reviewed journal: Cells.
https://www.mdpi.com/2073-4409/13/22/1857
 
For the latest on Semaglutides, keep on logging to Thailand Medical News.
 
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