At Pathways Bioscience, we believe that helping the body’s own defense systems can make a real difference in fighting disease. Studies show that lower Nrf2 activity, which helps control antioxidant and anti-inflammatory responses, is linked to Alzheimer’s progression.[1]
Alzheimer’s disease is still one of the toughest brain disorders faced. It involves not only the buildup of harmful proteins, but also ongoing inflammation and damage from oxidative stress, which upsets the brain’s balance. Over time, these changes quietly harm how brain cells communicate, leading to memory lapses and cognitive issues.
The central role of Nrf2
Nrf2 is a key protein that helps the body defend itself against stress and inflammation. When Nrf2 is active, it triggers many genes that fight off harmful molecules, clear out damaged proteins and keep cells healthy. In a healthy brain, this system constantly is at work, guarding neurons from everyday oxidative stress.
Research shows that while Nrf2 activity naturally declines as we age, it’s a decline more pronounced in people with Alzheimer’s disease.[2] Those with Alzheimer’s show lower levels of Nrf2 and its target genes, leaving cells more vulnerable to damage.[3]
When Nrf2 activity goes down, the brain’s natural defenses can’t keep up with increasing cellular stress and inflammation. This imbalance creates a cycle that speeds up damage to brain cells and leads to faster memory loss. By understanding and restoring Nrf2 activity, scientists hope to interrupt this cycle and protect the brain’s resilience against disease.
A promising therapeutic pathway
Our research focuses on identifying and developing small molecules that can safely and effectively activate Nrf2. We’re leveraging more than a century of combined research experience in gene regulation and redox biology to design compounds that modulate this pathway. By enhancing this natural protective mechanism, we aim to restore the brain’s resilience.
Preclinical studies suggest that boosting Nrf2 activity can reduce inflammation, protect neurons and improve cognitive performance in models of neurodegenerative disease.[4] These findings reinforce what we’ve believed from the start: rather than treating symptoms, supporting the body’s innate defenses may offer a more fundamental, sustainable approach to brain health.
Looking ahead
The connection between Nrf2 and Alzheimer’s underscores the importance of approaches that work with the body rather than against it. As research continues, we remain committed to advancing Nrf2 science and translating these insights into novel therapeutics that can make a lasting impact.
We believe the future of human health lies in empowering the body’s own systems of repair and resilience. Through Nrf2 activation, we are taking meaningful steps toward that future one pathway at a time.
[1] De Plano, Calabrese, Rizzo, Oddo and Caccamo (2023). The Role of the Transcription Factor Nrf2 in Alzheimer’s Disease: Therapeutic Opportunities.
[2] Gao, Doan and Hybertson (2014). The clinical potential of influencing Nrf2 signaling in degenerative and immunological disorders.
[3] Suzen, Tucci, Profumo, Buttari and Sasso (2022). A pivotal role of Nrf2 in neurogenerative disorders: A new way for therapeutic strategies.
[4] George, Tharakan, Culberson, Reddy, Hemachandra Reddy, 2002. Role of Nrf2 in aging, Alzheimer’s and other neurodegenerative diseases.
