Baboon Brain Study Probes Early Alzheimer's Changes
San Antonio researchers will examine aging baboon brains, hoping to identify what drives the disease before symptoms appear.
Updated on Nov. 6, 2026 in Alzheimer’s
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Texas Biomedical Research Institute and UT Health San Antonio researchers will study the brains of aging baboons, backed by $200,000 in funding from the San Antonio Medical Foundation. The work aims to understand the early brain changes behind Alzheimer's disease, which affects residents across San Antonio and South Texas.
Why it matters
Alzheimer's is usually diagnosed only after a long cascade of brain changes has already occurred, so understanding what happens earlier is central to any hope of earlier detection and intervention. For San Antonio and South Texas, where Alzheimer's rates rank among the highest in the country, the research addresses a regional health burden as well as a national one.
This is a planned pilot study in aging baboons, not a completed trial, so no findings are yet available. The project is funded at $200,000 and will run for about one year, with results and further funding still to come.
The players
Texas Biomedical Research Institute
A San Antonio research institution that operates the Southwest National Primate Research Center, where the baboon brain study takes place.
UT Health San Antonio
The University of Texas Health Science Center's San Antonio campus, a research and clinical institution partnering on the study of brain changes in aging.
San Antonio Medical Foundation
A local philanthropic organization that provided $200,000 in grant funding for the research.
The details
Researchers will take small samples of brain tissue from aging baboons and use spatial proteomics, a method that maps proteins at the molecular level within tissue. Brain biopsies will be paired with cognitive testing and blood biomarkers. The approach focuses on beta-amyloid plaques, which build up in diseased brains often many years before symptoms begin, and on tau proteins, which change shape inside nerve cells and become tangled.
Timeline
Over the next year: the researchers will run the pilot study.
Following the pilot: the team plans to seek additional funding for more research.
Health Landscape
Alzheimer's diagnosis today typically occurs only after symptoms appear, which is why research into the earlier molecular changes in the brain remains a priority. This baboon study adds an approach that pairs tissue-level protein mapping with cognitive testing and blood biomarkers, aiming to move detection earlier.
Because Alzheimer's is typically diagnosed only after symptoms appear, this research is still years from changing routine screening. Adults concerned about memory changes should raise them with a physician, who can discuss the current options for evaluation.
The takeaway
Alzheimer's has long been detected only after significant brain damage, so efforts to understand its earliest changes matter for future screening. Adults who notice persistent memory or thinking changes should discuss them with their doctor rather than waiting.
What happens next
The researchers plan to run the pilot study over the next year and will then look to secure additional funding for expanded research.
Further reading
For more on the disease itself, explore our Alzheimer's coverage.
Source note: This article includes information reported by San Antonio Report.
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