Navigation Links
Researchers identify potential gene that may increase risk of ad in African Americans
Date:8/4/2014

(Boston)-- Researchers from Boston University School of Medicine (BUSM) report that two rare variants in the AKAP9 gene significantly increase the risk of Alzheimer's disease (AD) in African-Americans.

This previously unknown association furthers the understanding of the role of genetic factors in the development of AD, according to the researchers, whose findings appear in Alzheimer's & Dementia.

AD is the most frequent age-related dementia affecting 5.4 million Americans including 13 percent of people age 65 and older and more than 40 percent of people age 85 and older. Up to 75 percent of AD cases are thought to have a genetic basis; however the specific genes involved likely differ between ethnic populations. The most well-known AD risk gene, APOE4, does not play as strong a role in AD risk in African Americans as it does in Caucasians, despite the fact that a higher proportion of African Americans than Caucasians are afflicted with this disorder.

By analyzing the DNA sequence for all genes from participants of the Multi-Institutional Research on Alzheimer Genetic Epidemiology (MIRAGE) Study and Genetic and Environmental Risk Factors for Alzheimer's Disease among African Americans (GenerAAtions) Study, researchers identified two genetic variants in AKAP9 unique to African Americans that are enriched in individuals with AD. They then confirmed this association in several thousand other African American subjects in the Alzheimer Disease Genetics Consortium dataset. Carriers of either of these AKAP9 variants have a respective 2.8 and 3.6 times greater risk of developing AD.

According to the researchers AKAP9 encodes a protein with multiple forms, One of these, AKAP450, is expressed in the brain and responsible for microtubule anchoring and organization. Another protein, tau, which is responsible for microtubule functioning is well known to be the key constituent of neurofibrillary tangles that accumulate in AD brains. "While further work is needed to clarify the causal link between these AKAP9 variants and AD, "this study indicates a new potential disease mechanism in the quest for a better understanding of AD, particularly in African Americans," explained senior author Lindsay Farrer, PhD, Chief of Biomedical Genetics and professor of medicine, neurology, ophthalmology, epidemiology and biostatistics at BUSM. "Moreover, this is the first authentic example of rare genetic variants conferring a high risk of AD in African Americans," he added.


'/>"/>

Contact: Gina DiGravio
gina.digravio@bmc.org
617-638-8480
Boston University Medical Center
Source:Eurekalert

Related medicine news :

1. Researchers develop food safety social media guide
2. WSU researchers see violent era in ancient Southwest
3. Rare developmental disorder linked to tumor-suppressing protein, Stanford researchers find
4. NYU CDUHR researchers look at prescription opioid abuse among young adults in NYC
5. Researchers uncover cause of gum disease related to type 2 diabetes
6. U-M researchers find protein that fuels repair of treatment-resistant cancer cells
7. Neuro researchers advocate for a shift in thinking for stroke rehabilitation
8. Penn researchers: Naltrexone may diminish impulse control disorders in Parkinsons disease patients
9. Brazilian researchers identify RNA that regulates cell death
10. Researchers take steps toward development of a vaccine against tick-transmitted disease
11. UTSW cancer researchers identify irreversible inhibitor for KRAS gene mutation
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:6/27/2016)... ... June 27, 2016 , ... TherapySites, ... today its affiliation with Tennessee Counseling Association. This new relationship allows ... the Tennessee Counseling Association, adding exclusive benefits and promotional offers. , "TCA is ...
(Date:6/27/2016)... NY (PRWEB) , ... June 27, 2016 , ... ... using cutting edge technology to revolutionize the emergency ambulance transport experience for the ... are aware of how Uber has disrupted the taxi industry through the use ...
(Date:6/26/2016)... ... June 27, 2016 , ... Quality metrics are proliferating in ... ways they remain in the eye of the beholder, according to experts who offered ... The American Journal of Managed Care. For the full issue, click here . ...
(Date:6/26/2016)... , ... June 26, 2016 , ... Pixel Film Studios ... X. , "Film editors can give their videos a whole new perspective by using ... - CEO of Pixel Film Studios. , ProSlice Levels contains over 30 Different ...
(Date:6/26/2016)... ... ... Kasmer, a legally blind and certified personal trainer is helping to develop a weight loss ... plans to fix the two major problems leading the fitness industry today:, ... , They don’t eliminate all the reasons people quit their exercise program ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... 2016 According to a new ... Pen Needles, Safety Pen Needles), Needle Length (4mm, 5mm, ... Mode of Purchase (Retail, Non-Retail) - Trends & Global ... the market for the forecast period of 2016 to ... Billion by 2021 from USD 1.65 Billion in 2016, ...
(Date:6/23/2016)... , June 23, 2016 Research ... Devices Global Market - Forecast to 2022" report to ... the treatment method for the patients with kidney failure, it ... excess fluid from the patient,s blood and thus the treatment ... potassium and chloride in balance. Increasing number ...
(Date:6/23/2016)... 2016 Research and Markets has announced ... Analysis 2016 - Forecast to 2022" report to their ... contains up to date financial data derived from varied research ... trends with potential impact on the market during the next ... which comprises of sub markets, regional and country level analysis. ...
Breaking Medicine Technology: