Health Observances | Neurological

Parkinson’s Disease Awareness Month: Genetic Testing, Research, and the Future of Care

Parkinson’s disease is a progressive neurological condition that affects movement, coordination, and overall brain function. While symptoms often develop gradually, research has shown that Parkinson’s is influenced by a combination of genetic and environmental factors. Understanding these factors is helping researchers improve diagnosis, develop targeted treatments, and identify individuals who may benefit from genetic testing.

During Parkinson’s Disease Awareness Month, it is important to look beyond general awareness and focus on how advances in genetics and research are shaping the future of care. If you are looking for a complete overview of symptoms, diagnosis, and treatment, you can also read our related guide on Parkinson’s awareness and disease management.

According to the American Parkinson’s Disease Association, Parkinson’s disease is a neurodegenerative disorder that affects the nervous system and leads to symptoms such as tremors, stiffness, and slowed movement.

Understanding the Role of Genetics in Parkinson’s Disease

Parkinson’s disease is often thought of as a condition that develops randomly, but research shows that genetics can play a significant role in certain cases. Most people with Parkinson’s do not have a direct family history, yet genetic variations can still influence the risk of developing the disease.

Scientists have identified several genes associated with Parkinson’s disease, including LRRK2, GBA, SNCA, PRKN, and PINK1. Changes in these genes may increase a person’s risk or influence how the disease develops. According to the National Institute of Neurological Disorders and Stroke, mutations in genes such as LRRK2 and SNCA have been linked to inherited forms of Parkinson’s disease, while other genes may contribute to overall risk. 

Some genetic mutations are inherited in a dominant pattern, meaning only one copy of the gene is needed to increase risk, while others require two copies and are more commonly associated with early-onset Parkinson’s. 

It is also important to understand that genetic factors do not guarantee that someone will develop Parkinson’s disease. Many people with these genetic variations never develop symptoms, while others without known mutations may still be diagnosed. This is because Parkinson’s disease is typically influenced by a combination of genetics, environmental exposure, and aging.

Research has also shown that certain genetic mutations, such as those in the GBA and LRRK2 genes, are among the most common risk factors identified in Parkinson’s patients. 

Understanding these genetic connections is helping researchers move toward more personalized approaches to treatment and disease management.

What Is Genetic Testing for Parkinson’s Disease?

Genetic testing for Parkinson’s disease is designed to identify specific gene mutations that may increase a person’s risk or influence how the disease progresses. While genetic testing is not required for diagnosis, it is becoming an important tool in both research and clinical care.

According to the Michael J. Fox Foundation, genetic testing can help identify mutations linked to Parkinson’s disease and may provide patients with access to research studies and clinical trials focused on targeted therapies.

Testing typically involves a simple blood or saliva sample that is analyzed for known Parkinson’s-related genes. Programs such as the Parkinson’s Foundation’s PD GENEration initiative are expanding access to genetic testing and counseling, helping patients better understand their condition and potential treatment options.

Genetic testing can be particularly valuable for:

  • Individuals diagnosed with Parkinson’s disease 
  • Patients with a family history of Parkinson’s 
  • Those with early-onset Parkinson’s symptoms 
  • Patients interested in participating in clinical research 

In addition to helping individuals understand their own health, genetic testing plays a critical role in advancing Parkinson’s research. Identifying genetic patterns allows researchers to develop targeted therapies and better understand how the disease progresses in different populations.

PD GENEration and the Future of Parkinson’s Research

Advances in genetic testing are not just helping individuals better understand their condition; they are also transforming how Parkinson’s disease is studied and treated. One of the most important initiatives driving this progress is the Parkinson’s Foundation’s PD GENEration study.

PD GENEration is a global research program that offers genetic testing and genetic counseling at no cost to people diagnosed with Parkinson’s disease. Participants receive their genetic results while also contributing valuable data that helps researchers better understand how the disease develops and progresses. 

This type of research is especially important because Parkinson’s disease does not affect everyone in the same way. By identifying genetic differences among patients, researchers can begin to develop more targeted therapies and personalized treatment approaches.

Participation in PD GENEration also helps accelerate clinical trials. One of the program’s key goals is to identify individuals with specific genetic mutations so they can be matched with clinical trials designed for those genetic profiles. 

As research continues to expand, genetic studies like PD GENEration are helping to build large-scale databases that improve scientists’ ability to identify patterns, test new therapies, and move closer to more effective treatments.

In addition to advancing science, participation in research can provide patients with valuable insights into their own health, including a better understanding of potential genetic risks and how their condition may progress.

Why Research Participation Matters

Parkinson’s Disease Awareness Month focuses on both understanding the condition and supporting the research that advances diagnosis, treatment, and long-term care.  Research participation plays a critical role in:

  • Improving early detection methods 
  • Developing new medications and therapies 
  • Understanding how genetics and environmental factors interact 
  • Advancing personalized treatment approaches 

Programs like PD GENEration are especially impactful because they combine genetic testing with real-world patient data. This allows researchers to better understand how Parkinson’s varies from person to person and why some patients respond differently to treatment.

Currently, studies have shown that approximately 10–15% of people with Parkinson’s carry a genetic mutation associated with increased risk, highlighting the importance of continued genetic research. 

In addition, large-scale initiatives have already revealed that a higher percentage of patients than previously expected may carry Parkinson’s-related genetic variants, which could expand eligibility for clinical trials and targeted therapies. 

When patients take part in research, they contribute to scientific discovery and help improve care for future generations. Higher participation yields more accurate data, accelerates clinical trials, and leads to better outcomes for people living with Parkinson’s disease.

Early Diagnosis and the Role of Imaging

Parkinson’s disease is primarily diagnosed based on clinical evaluation, including medical history, symptom progression, and neurological examination. Imaging plays an important role in supporting diagnosis and helping physicians rule out other conditions that may cause similar symptoms.

MRI is often used to:

  • Evaluate brain structure 
  • Rule out conditions such as stroke, tumors, or other neurological disorders 
  • Support diagnostic clarity when symptoms are unclear 

While a brain MRI does not diagnose Parkinson’s disease directly, it provides valuable information that helps physicians make more informed decisions about patient care. Advanced imaging may also be used in research settings to better understand how Parkinson’s disease affects the brain over time.

Emerging research continues to explore how imaging technologies, combined with genetic data and clinical findings, can improve early detection and lead to more personalized treatment approaches.

How to Get Involved During Parkinson’s Disease Awareness Month

Parkinson’s Disease Awareness Month is an opportunity to move beyond awareness and take meaningful action. Whether you are a patient, caregiver, or simply looking to learn more, there are several ways to get involved and support ongoing progress.

You can:

  • Learn more about Parkinson’s disease and share educational resources 
  • Support organizations focused on research and patient care 
  • Participate in research programs or clinical trials 
  • Talk with a healthcare provider about symptoms, risk factors, or concerns 

Organizations such as the American Parkinson’s Disease Association and the Parkinson’s Foundation continue to lead efforts in research, education, and patient support.

If you are looking for a broader overview of Parkinson’s disease symptoms, diagnosis, and treatment options, we recommend reading our related guide: Parkinson’s Awareness Month: Raising Awareness and Hope.

This helps connect patients and readers to additional resources without repeating the same information.

Frequently Asked Questions About Parkinson’s Disease and Genetic Testing

What causes Parkinson’s disease?

Parkinson’s disease is caused by a combination of genetic and environmental factors. While most cases are not directly inherited, certain genetic mutations can increase the risk of developing the disease.

Is Parkinson’s disease hereditary?

Most cases of Parkinson’s disease are not inherited. However, research shows that about 10–15% of people with Parkinson’s carry a genetic mutation associated with increased risk, according to the American Parkinson’s Disease Association. 

What genes are linked to Parkinson’s disease?

Several genes have been linked to Parkinson’s disease, including GBA, LRRK2, PRKN, SNCA, and PINK1. These genes may influence disease risk, progression, and response to treatment.

Genetic testing may be recommended for individuals with Parkinson’s disease, especially those with a family history or early-onset symptoms. It can provide insight into risk factors and may help connect patients with research opportunities and clinical trials.

Can MRI detect Parkinson’s disease?

Brain MRI does not diagnose Parkinson’s disease directly, but it is often used to rule out other neurological conditions and support the diagnostic process.

Why is genetic research important for Parkinson’s disease?

Genetic research is helping scientists better understand how Parkinson’s disease develops and why it progresses differently in each person. Programs like PD GENEration have shown that around 13% of participants have a Parkinson’s-related genetic variant, which is higher than earlier estimates. 
This information is helping researchers develop more targeted therapies and move toward personalized treatment approaches.

Parkinson’s Disease Awareness Month: Taking the Next Step

Parkinson’s Disease Awareness Month is a reminder that early evaluation, ongoing research, and access to advanced diagnostic tools all play a role in improving patient outcomes. Understanding genetic risk factors and participating in research initiatives can help drive progress toward more effective treatments and, ultimately, better care.

Greater Waterbury Imaging Center provides advanced imaging services to support physicians in evaluating neurological conditions and guiding patient care. We are committed to delivering accurate, high-quality imaging in a comfortable and patient-focused environment. Contact us today to learn more about MRI services for neurological evaluation.