Morazan wrote:...I discovered my Apoe status (4/4) as a direct result of my genealogical research... I later found this notice in a January, 1912 church bulletin: "Charles D. was called to Pueblo last Friday by a message announcing the death of his mother. She was 77 years old and for several years had been a helpless invalid. Charles' loving care for his mother was one of those sad, sweet ministries which no man would publish for himself and none can conceal from others..."
...Suddenly, "genealogy" became painfully real and relevant. I can now "see" that cruel gene making its way directly from Phoebe, to Charles (died in his early 60s), through my grandmother (70s, no dementia), to my father (died at age 41 with heart/artery congestion), to me (noticeable memory issues since menopause), and to my sweet daughter, who is also 4/4. And when I look at my brothers, I suspect that two of them are 4/4 too, although they refuse to get tested....
Best of everything to you and yours, Mary D.
A warm welcome, Mary,
I have to say that you certainly show the "high verbal fluency" that some view as one of our ApoE 4 gifts! I would cheerfully read more about your genealogical research and imagine you could have a thriving business doing research for others and weaving the results into vivid narratives. I also want to thank you for the 1912 eloquent quote from Phoebe's obituary: "Charles' loving care for his mother was one of those sad, sweet ministries which no man would publish for himself and none can conceal from others." A beautiful tribute to Charles (and Dora, I'm sure).
I also have a Dora, a great-great aunt on my father's family tree. I grew up hearing only one thing about Dora: always said with wonder: "she lived to be 98"! Years later, I realized she must have been the aunt of my paternal grandmother, who eventually lived to be 93--and was smart and independent until age 87, when she contracted salmonella. So Phoebe also may have been smart and independent until well into her 70's when multiple factors, some of which could be prevented today, caused her fairly rapid decline.
I think, however, that you are not Phoebe, or rather that only 6.25% of your DNA is from Phoebe, while 50% is from your almost 90-year old mother.
Ancestral DNA Percentages – How Much of Them is in You? While you did inherit an ApoE 4 from each parent, it's also highly likely that you inherited some strong "resistant" genes, which work in an epigenetic way to prevent the formation of toxic brain amyloid, tau and other neurotoxic effects, and strong "resistant" factors, which are seen in autopsy studies of many cognitively healthy 90+ people who show evidence of significant neurological biomarkers associated with Alzheimer's, but no signs of the disease.
Like your father, whom you lost decades too young at 41, my father died of severe coronary artery disease at 67. Since you have not had his early disease, it's likely that he had environmental or medical factors that drove that rapid progression. We have many members on this forum who have a common refrain: "No family history of Alzheimer's; everyone died of heart disease or strokes." Some of them have discovered they also have genes for familial hypercholesterolemia, or aortic stenosis, or a predisposition to get diabetes, or high blood pressure. By addressing those risk factors (or avoiding risks like smoking and working in toxic environments) they have managed to avoid the heart disease that may also have triggered cognitive issues in later life.
Here's a few other things that may help you feel more confident about your own future:
* People who have an optimistic attitude about getting older (as in looking forward to the 90's), appear to have less cognitive decline. (May be because they are healthy, or because their views lead them to engage in brain-healthy behaviors.)
* People who have continued social engagement, purposeful activity and exercise in mid-life (as you seem to have) are also less likely to show cognitive decline.
Lifestyle changes prevent cognitive decline even in genetically susceptible individuals * Population studies from large cohorts of people in the U.S. and Netherlands suggest that you and I, both with ApoE 4/4 and both (I assume) over age 60, have a 45-70% chance of living to age 85 without even a diagnosis of Mild Cognitive Impairment, or AD.
APOE-related risk of mild cognitive impairment and dementia for prevention trials: An analysis of four cohorts And that's using data from people who likely were unaware of ApoE4 and of strategies to mitigate risk.
So since you are a researcher, I suggest you explore the
Primer, written by Stavia, a doctor with ApoE 4/4, who has compiled strong evidence for many basic strategies to consider, and who also has an important section on HRT (if you are less than 10 years post-menopause).
And to help you navigate this forum, and especially have your wonderful posts see by others, check out the
How-To guide.
We are a community of learners--learning both from our ancestors and our own experiences--with the goal of rewriting what is predicted for our future. Thank you for joining us!