NIH-funded research R21 grant

Investigating how prion proteins affect neuron signaling in Alzheimer's disease

Official title: Determining pathogenic PrPC-induced signaling pathways in human iPSC-induced neurons

Funded at University of California, San Diego · NIH-10791127 · Data updated 2026-11-12

This study is looking at how certain proteins in our brain cells might affect communication between neurons and contribute to Alzheimer's disease, using special lab-grown brain cells to learn more about these processes.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Diego
NIH-funded
Lab location1 site (La Jolla, United States)
Project startSeptember 15, 2023
Project endAugust 31, 2025
Funding year2023
Award (this year)$434,500
NIH project number1R21NS135426-01
Project IDNIH-10791127 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals diagnosed with Alzheimer's disease or those at risk of developing it.

Less likely to help

Patients with other forms of dementia unrelated to prion proteins may not benefit from this research.

What this research studies

This research focuses on understanding the role of prion proteins in the signaling pathways of neurons, particularly in relation to Alzheimer's disease. By using human induced pluripotent stem cells (iPSCs) to create neuron models, the researchers will explore how these proteins interact with other molecules and trigger cellular responses that may lead to synaptic loss. The study employs advanced techniques such as transcriptomics and proteomics to identify changes in gene expression and protein interactions in response to prion proteins. This could provide insights into the mechanisms underlying neurodegeneration in Alzheimer's disease.

Why it matters

Potential benefit: If successful, this research could lead to new therapeutic strategies for Alzheimer's disease by targeting the signaling pathways affected by prion proteins.

How similar studies have gone: While prion diseases are rare, previous research has shown promising results in understanding their mechanisms, suggesting that this approach could yield valuable insights into Alzheimer's disease as well.

Where this research is happening

  • University of California, San Diego
    La Jolla, United States
    Active

Researchers

  • Principal investigator: Sigurdson, Christina — University of California, San Diego
  • Study coordinator: Sigurdson, Christina

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.