• Clinical Care OptionsNew for GAPNA members: Clinical Care Options

    GAPNA has partnered with a Clinical Care Options to offer an ongoing series of free CNE programs available to GAPNA members. "Vaccinations and Healthy Aging: Protecting Your Older Patients From Shingles" is the latest program offered.

    In this live webinar, expert faculty expert faculty discuss how important it is to prevent shingles in older patients.

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  • CoronaCoronavirus (COVID-19) Resources

    In an effort to support our members with the most updated information on COVID-19 we developed this resource page to easily access current CDC information and other resources to assist you professionally and personally.

    We will continue to update this page with more information as it becomes available and welcome your input as we navigate through this situation. As health care professionals it is our job to educate our patients and families on prevention and the what to do if someone is symptomatic.

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  • GAPNA 2020 National President Deborah Dunn, EdD, MSN, GNP-BC, ACNS-BC, GS-C interviews Dr. Ron Billano Ordona, DNP, FNP-BC about providing home-based primary care during COVID 19.

    "Facing Forward: Providing Home-based Primary Care during COVID 19"

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Lonhala Magnair

Amyloid Brain Changes

Genetic Risk Variants Linked to Alzheimer’s Amyloid Brain Changes at Different Stages of Disease

New National Institute on Aging (NIA)-supported research ties several genetic risk variants for late-onset Alzheimer’s disease to levels of amyloid at different disease stages.

The results, published online January 16, 2018, in JAMA Neurology, provide insight into the genetic influences on Alzheimer’s-related brain changes, namely, buildup of amyloid, a protein that turns toxic and accumulates in the brains of people with Alzheimer’s disease.

There is growing evidence of a strong genetic component to Alzheimer’s disease. In this study, researchers sought to better understand the genetic contributions to late-onset Alzheimer’s, beyond those related to APOE4, the strongest known genetic risk factor for the disease.

Researchers from the Indiana University School of Medicine, Indianapolis, and the David Geffen School of Medicine at the University of California, Los Angeles, analyzed associations between the top 20 Alzheimer’s genetic risk variants, as well as other variants previously associated with amyloid deposition, and amyloid levels measured by brain imaging.

The study included 977 participants (average age 74 years) from the NIA-supported Alzheimer’s Disease Neuroimaging Initiative: 322 who were cognitively normal, 496 who were in the mild cognitive impairment stage, and 159 who were in the dementia stage.

Findings showed that after APOE4, the gene with the strongest association with amyloid deposits was ABCA7, especially in the asymptomatic and early symptomatic disease stages. Studies have previously connected ABCA7 with Alzheimer’s disease processes in the brain; these findings provide further evidence of its role.

Research has also shown that African Americans are more likely than Whites to have a variant of the ABCA7 gene, with almost double the risk of developing Alzheimer’s.

Other Alzheimer’s disease risk genes found to be associated with amyloid buildup at different disease stages included FERMT2, which was most pronounced in people with mild cognitive impairment; SORL1 and EPHA1, which were associated with both the mild cognitive impairment and dementia stages; and CLU, DSG2, and ZCWPWI, which were linked to the dementia stage.

Results suggest genetic variants might affect Alzheimer’s disease processes differently across disease stages.

Researchers noted that improved understanding of these genetic risk factors could help predict which people are most at risk of developing dementia due to Alzheimer’s and identify gene-specific drug targets.

For more info, see Apostolova L.G. et al. (2018). Associations of the top 20 Alzheimer disease risk variants with brain amyloidosis. JAMA Neurology. doi:10.1001/jamaneurol.2017.4198. [Epub ahead of print]

Plan your trip to the nation’s capital during the GAPNA Annual Conference, September 26-29, 2018 by checking out all the things to do, places to eat, and ways to have fun.

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