tldrdailynews.com logo
Tag

P Tau217

All articles tagged with #p tau217

Biomarker may flag dementia risk for certain menopause hormone therapies
health28 days ago

Biomarker may flag dementia risk for certain menopause hormone therapies

New analysis of WHI data finds that higher baseline plasma p-tau217, an Alzheimer's biomarker, is linked to a substantially higher dementia risk, especially for women on combined estrogen–progesterone therapy started later in life; estrogen-only therapy did not show the same pattern. The risk was strongest among women over 70, white women, and APOE4 carriers, suggesting hormone interactions with brain vulnerability rather than a direct cause. Starting combined hormone therapy around menopause for five years or less generally does not raise dementia risk, but starting after 65 may for some women. Biomarkers like p-tau217 could help identify who is most at risk.

via The Conversation|
#apoe4#dementia#health
Blood biomarker p-tau217 signals dementia risk in women decades before symptoms
health29 days ago

Blood biomarker p-tau217 signals dementia risk in women decades before symptoms

A long-term study of 2,766 cognitively healthy women found higher blood levels of p-tau217 predict an increased risk of developing dementia or mild cognitive impairment over up to 25 years, suggesting a blood test could help identify those at greatest risk years before symptoms, though it is not deterministic and results vary by race, hormone therapy use, and age; more research is needed before public screening.

via ScienceAlert|
#biomarker#blood-test#dementia
Blood biomarker p-tau217 signals dementia risk decades ahead, UCSD study finds
health1 month ago

Blood biomarker p-tau217 signals dementia risk decades ahead, UCSD study finds

A UC San Diego–led study analyzed archived blood samples from the Women’s Health Initiative Memory Study and found that higher levels of the brain protein p-tau217 in cognitively healthy women predicted dementia or mild cognitive impairment up to 25 years later. Published in JAMA Network Open, the finding suggests a simple blood test could identify future dementia risk long before symptoms, enabling earlier lifestyle interventions and more targeted trial recruitment. The study involved only women, with ongoing work to understand modifiable risk factors and whether results apply to men.

via San Diego Union-Tribune|
#biomarker#blood-test#dementia
Blood Test Signals Alzheimer's Onset Years Before Symptoms
science1 month ago

Blood Test Signals Alzheimer's Onset Years Before Symptoms

A blood biomarker, p-tau217, tracks brain Alzheimer’s pathology and, in a study of 603 older adults, could estimate how many years remain before symptoms appear. This could enable earlier diagnosis and shorter, cheaper preventive trials, though it isn’t yet recommended for general asymptomatic screening. The researchers hint at improving accuracy by combining p-tau217 with other biomarkers and note a web tool and GitHub code for broader exploration.

via Hackaday|
#alzheimers#biomarkers#blood-test
Blood biomarker could forecast dementia risk decades ahead in older women.
health1 month ago

Blood biomarker could forecast dementia risk decades ahead in older women.

A UC San Diego-led study of 2,766 women aged 65–79 from the Women’s Health Initiative Memory Study found that higher blood levels of the biomarker p-tau217 are strongly linked to future dementia and mild cognitive impairment, suggesting a simple blood test could identify those at greatest risk up to 25 years before symptoms. While promising for early prevention and monitoring, blood-based testing for Alzheimer's is not yet recommended for routine screening, and results may not apply to men or younger populations.

via Fox News|
#alzheimers-disease#biomarkers#blood-test
Blood Biomarker Could Flag Dementia Risk Decades Ahead in Women
health1 month ago

Blood Biomarker Could Flag Dementia Risk Decades Ahead in Women

A UC San Diego study of over 2,500 women found that higher blood levels of the biomarker p-tau217 can predict future dementia risk up to 25 years before symptoms, with stronger links in women over 70, those with Alzheimer’s genetic risk, or on estrogen-progestin therapy; while promising, more studies are needed and it isn’t yet ready for routine clinical use, but could guide prevention trials.

via Gizmodo|
#alzheimers-disease#biomarker#blood-test
Shared Trait Found in Newborns and Alzheimer’s Patients
science9 months ago

Shared Trait Found in Newborns and Alzheimer’s Patients

A recent study reveals that both newborns and Alzheimer's patients have elevated levels of the brain protein p-tau217, which plays different roles in each group—supporting healthy brain development in infants and indicating neurodegeneration in Alzheimer's. The findings suggest that understanding how the healthy brain manages tau could lead to new treatments for Alzheimer's disease.

via SciTechDaily|
#alzheimers#biomarker#brain-development
Alzheimer’s-Linked Protein Detected in Newborns, Offering New Hope
health9 months ago

Alzheimer’s-Linked Protein Detected in Newborns, Offering New Hope

A study found that healthy newborns have higher levels of the Alzheimer’s-linked protein p-tau217 than dementia patients, suggesting this protein plays a crucial role in early brain development rather than solely causing neurodegeneration. This discovery challenges existing beliefs about tau proteins and could lead to new approaches in treating or preventing Alzheimer’s disease by understanding how infant brains manage high tau levels safely.

via The Conversation|
#alzheimers#brain-development#dementia
"Breakthrough Blood Test for Alzheimer's Shows Promise in Early Detection"
health2 years ago

"Breakthrough Blood Test for Alzheimer's Shows Promise in Early Detection"

A new study suggests that a blood test screening for Alzheimer’s disease using a protein called p-tau217 could be highly accurate in identifying key biomarkers of the disease, even before symptoms appear. The test, which is commercially available for research use, showed up to 96% accuracy in identifying elevated levels of beta amyloid and up to 97% accuracy in identifying tau, making it comparable to advanced testing methods like brain scans and spinal taps. This development could lead to improved patient management, timely access to therapies, and more cost-effective and accessible diagnostic options for the growing number of people at risk for Alzheimer's disease.

via CNN|
#alzheimers-disease#blood-test#cognitive-impairment