Navigation Links
Genes And Aging

A new study published in the September issue of the American Journal of Geriatric Psychiatry, claims that scientists have identified the genes //responsible for preserving cognition even at the age of 90 years. Researchers from the University of Pittsburgh are the first to identify the genetic association with cognition and age.

"Successful aging has been defined in many ways, however, we focused on individuals who had reached at least 90 without significant decline in mental capacity," said lead researcher George S. Zubenko, M.D., Ph.D., professor of psychiatry and biological sciences at the University of Pittsburgh. "While this is a goal that many of us share, such a definition of 'successful aging' can be determined objectively and consistently across subjects--an important requirement of scientific studies."

While previous research has revealed that genes make important contributions to exceptional longevity, the goal of this study was to identify regions of the human genome that contributed, along with lifestyle factors, to reaching age 90 with preserved cognition.

The study involved 100 people age 90 and older who had preserved cognition as measured by clinical and psychometric assessments. Half of the subjects were male, half were female. Using a novel genome survey method, scientists compared the DNA of the study sample with that of 100 young adults, aged 18-25, who were matched for sex, race, ethnicity and geographic location. Particularly, Dr. Zubenko and his research team attempted to identify specific genetic sequences present in older individuals that may be linked to reaching older ages with preserved cognitive abilities, or conversely, specific genetic sequences present in younger individuals (and not present in those over age 90) that may impede successful aging. The study also looked at a variety of lifestyle factors, such as smoking and alcohol consumption, with the goal of eventually exploring the interactive ef fects of genes and lifestyle on successful aging.

The study identified nine genetic regions that were associated with successful aging, some of which affected men or women, but not both. "Historically women have lived longer than men on average, the prevalence of numerous serious diseases differs in men and women, and there are important differences in age-related physiological changes that occur between the sexes over the life span," said Dr. Zubenko. "It would not be surprising if the collection of genes that influences the capacity to reach old age with normal mental capacity differs somewhat for men and women." The majority of the successful aging or "SAG" regions overlapped with gene locations previously reported to show linkage to susceptibility genes for cardiovascular disorders, psychiatric disorders and the accumulation of tissue damage due to oxidative stress. The results of the study also highlighted the detrimental effects of cigarette smoking, excessive drinking and serious mental disorders on successful aging in both sexes.

"The finding that genetics, lifestyle decision making, and their interactions, may influence the ability to reach old age with preserved cognition is exciting," stated Dr. Zubenko. "Identifying such genetic and behavioral factors may hold promise for better understanding the aging process and perhaps one day enriching or extending the lives of other individuals."

Source: Eurekalert
'"/>




Related medicine news :

1. New Way to "See" Genes, Evaluate Effectiveness of Gene Therapies Discovered
2. Genes for lung disease
3. Genesis of SUPAC
4. Genes for Vision discovered
5. Genes Found To Help Leukemia Treatment
6. Cardiac Valve Disease Linked To Genes
7. Genes Linked To Cigarette Addiction
8. Genes from saliva may predict oral and breast cancer
9. Genes More Important Than Exercise for Bad Cholesterol
10. Genes responsible for social behavior of us
11. Genes to Extend Longevity Discovered
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:6/25/2016)... ... ... Austin residents seeking Mohs surgery services, can now turn to Dr. Jessica Scruggs ... for medical and surgical dermatology. , Dr. Dorsey brings specialization to include Mohs surgery, ... Micrographic Surgery completed by Dr. Dorsey was under the direction of Glenn Goldstein, MD, ...
(Date:6/25/2016)... Oklahoma City, Oklahoma (PRWEB) , ... June 25, ... ... to helping both athletes and non-athletes recover from injury. Recently, he has implemented ... for the Oklahoma City area —Johnson is one of the first doctors to ...
(Date:6/24/2016)... ... , ... June 19, 2016 is World Sickle Cell Observance Day. In an ... of holistic treatments, Serenity Recovery Center of Marne, Michigan, has issued a ... Cell Disease (SCD) is a disorder of the red blood cells, which can cause ...
(Date:6/24/2016)... ... June 24, 2016 , ... Comfort Keepers® of San ... Society and the Road To Recovery® program to drive cancer patients to and from ... adults to ensure the highest quality of life and ongoing independence. Getting to ...
(Date:6/24/2016)... Vegas, Nevada (PRWEB) , ... June 24, 2016 ... ... Las Vegas client, The Grove Investment Group (TGIG), has initiated cultivation and processing ... Grove, in Las Vegas and Pahrump, Nevada. , Puradigm is the manufacturer of ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)...   Pulmatrix, Inc ., (NASDAQ: PULM ... announced today that it was added to the Russell ... comprehensive set of U.S. and global equity indexes on ... milestone for Pulmatrix," said Chief Executive Officer Robert ... progress in developing drugs for crucial unmet medical needs, ...
(Date:6/23/2016)... BEVERLY HILLS, Calif. , June 23, 2016 ... faced the many challenges of the current process. Many of ... option because of the technical difficulties and high laboratory costs ... would have to offer it at such a high cost ... to afford it. Dr. Parsa Zadeh , ...
(Date:6/23/2016)... 2016 Capricor Therapeutics, Inc. ... biotechnology company focused on the discovery, development and ... enrollment in its ongoing randomized HOPE-Duchenne clinical trial ... of its 24-patient target. Capricor expects the trial ... of 2016, and to report top line data ...
Breaking Medicine Technology: