Unraveling the Secrets of Superoxide Dismutase: Elevated Extracellular Levels and Genetic Testing

Superoxide dismutase, elevated extracellular

Expert Reviewed By: Dr. Brandon Colby MD

Superoxide dismutase (SOD) is an essential enzyme that plays a crucial role in the body's defense against harmful free radicals. Elevated extracellular levels of SOD have been linked to various health conditions, making it essential to understand, diagnose, and utilize genetic testing for this disorder. This article delves into the latest research on superoxide dismutase, its implications on health, and the benefits of genetic testing in managing the disorder.

Understanding Superoxide Dismutase and its Elevated Extracellular Levels

Superoxide dismutase is an enzyme responsible for neutralizing potentially harmful free radicals called superoxide radicals, which are produced as a byproduct of cellular metabolism. These radicals can cause oxidative stress, which can damage cells, proteins, and DNA, leading to a variety of health issues, including inflammation, aging, and chronic diseases such as diabetes, cardiovascular disease, and cancer (1).

There are three types of SOD in humans, one of which is extracellular SOD (EC-SOD). Elevated extracellular levels of SOD have been associated with several health conditions, such as neonatal pulmonary vascular remodeling, pulmonary hypertension, and protection against experimental bronchopulmonary dysplasia (1). Additionally, SOD3, a type of EC-SOD, has been shown to alleviate enteritis symptoms by maintaining epithelial junction integrity and regulating inflammatory and oxidative stress (2).

Diagnosing Superoxide Dismutase-Related Disorders

Diagnosing disorders related to superoxide dismutase involves identifying genetic polymorphisms or variations in the genes encoding the enzyme. One such polymorphism, the Ala40Thr mutation in EC-SOD, has been associated with a higher risk of developing type 2 diabetes mellitus in a Chinese population (3). Another study found that loss of EC-SOD may induce severe IL-23-mediated skin inflammation in mice, suggesting its potential as a candidate for psoriasis management (4).

Genetic Testing for Superoxide Dismutase-Related Disorders

Genetic testing can be a valuable tool in identifying individuals with superoxide dismutase-related disorders and determining their risk for developing associated health conditions. By analyzing a person's DNA, genetic testing can identify specific gene variations that may contribute to elevated extracellular SOD levels and related health issues.

Benefits of Genetic Testing

There are several benefits to utilizing genetic testing for superoxide dismutase-related disorders, including:

  • Early detection: Identifying gene variations associated with elevated extracellular SOD levels can help detect potential health issues before they become severe, allowing for early intervention and management.
  • Personalized treatment: Understanding a person's genetic predisposition to superoxide dismutase-related disorders can help healthcare providers tailor treatment plans to address the specific needs of the individual.
  • Family planning: Genetic testing can provide valuable information for couples planning to have children, allowing them to assess their risk of passing on superoxide dismutase-related disorders to their offspring.
  • Research opportunities: As more people undergo genetic testing for superoxide dismutase-related disorders, researchers can collect valuable data that can contribute to the development of new treatments and preventive measures.

In conclusion, understanding, diagnosing, and utilizing genetic testing for superoxide dismutase-related disorders can provide valuable insights into the management and prevention of associated health conditions. By identifying gene variations that contribute to elevated extracellular SOD levels, healthcare providers can better assess an individual's risk and develop personalized treatment plans to improve overall health outcomes.

About The Expert Reviewer

Dr. Brandon Colby MD is a US physician specializing in the personalized prevention of disease through the use of genomic technologies. He’s an expert in genetic testing, genetic analysis, and precision medicine. Dr. Colby is also the Founder of  and the author of ⁠Outsmart Your Genes.

Dr. Colby holds an MD from the Mount Sinai School of Medicine, an MBA from Stanford University’s Graduate School of Business, and a degree in Genetics with Honors from the University of Michigan. He is an Affiliate Specialist of the American College of Medical Genetics and Genomics (⁠ACMG), an Associate of the American College of Preventive Medicine (⁠ACPM), and a member of the National Society of Genetic Counselors (NSGC)