Nestlé research identifies metabolic signature for long life
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Nestlé research identifies metabolic signature for long life
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Nestlé scientists have, for the first time, identified the molecular footprint
for long life.
Swiss and Italian scientists at the Nestlé Research Center and the Nestlé
Institute of Health Sciences compared samples from the blood and urine in
volunteers in Italy ranging in age from 21 to 111 years old.
The research, presented at the 2013 International Congress of Nutrition in
Granada, Spain, revealed that those in the group who had exceptional longevity -
living to over 100 years of age - were characterised by complex changes in the
levels of lipids in their body, to their metabolism of amino acids, and to the
function of their gut.
Distinct compounds
Samples from those aged over 100 years also had levels of a distinct set of
compounds remarkably similar to those of far younger people.
These changes, the scientists say, may act as physiological markers, predicting
a longer life and a healthier old age.
"Discovering the metabolic phenotype of longevity for the first time is an
exciting step in understanding the biological mechanisms of ageing," said Dr
Sebastiano Collino, the Nestlé scientist who led the study, which was carried
out with Italy's University of Bologna.
"This knowledge will help us to reveal the key processes necessary for the
elderly to maintain good health and live longer."
Extreme longevity
The study also showed a difference in the metabolic profile of the elderly
individuals whose parents were centenarians, indicating a distinctive metabolic
trait for ageing exists for the offspring of parents with unusual longevity.
Scientists looked at samples of the blood and urine of 396 volunteers from three
generations of women and men living in three northern Italian cities - Florence,
Bologna and Milan. The physical and cognitive health status of study volunteers
was assessed using validated questionnaires.
Among them, the group of centenarians numbered 30 men and 113 women, born
between 1900 and 1908.
The second group, with a mean age of 70, was divided into 210 people born to a
centenarian and 73 others whose parents died before the average Italian life
expectancy at the time (67 years of age for the father and 72 years of age for
the mother).
A group of 21 younger volunteers were also studied, with a mean age of just over
30.
According to the research, published in the scientific journal PLOS One,
centenarians showed a distinctive ability to acquire a balance between pro-
inflammatory and anti-inflammatory forces, thus favouring longevity.
Specifically, substances in the centenarians' blood and urine suggested that
they may have a better anti-oxidative response and better cellular
detoxification mechanisms.
"The difference is that long-lifers are somehow protected from the increasing
inflammatory load associated with ageing-related chronic diseases," Dr Collino
explained.
Novel method
This trial examined the blood and urine of a specially selected group, using
metabolomics techniques - novel methods of looking at substances present in
these fluids - to identify the biological processes that led to them.
"It is a bit like seeing the ripples of water in a lake after a stone has been
thrown," Dr Collino said. "You can't see the stone but the ripples show you it
has been there."
The ultimate goal of the research will be to create new screening diagnostic
tools that will provide a read-out of a person's biological age, to identify an
individual's risk of developing age-related diseases.
Scientists also want to examine what impact the centenarians' Mediterranean diet
had on their exceptional readings.
In the future, Dr Collino suggests, further studies will be required to look at
different populations with different genetic backgrounds. This will enable
scientists to better understand the influence of nutrition and lifestyle on
ageing and longer life.
Work is already underway, as part of the European Union-funded NU-AGE Project,
to broaden the study to five different populations across Europe, to see if
adopting the diet can actually change a person's metabolic signature, leading to
a healthier, happier old age.
Article Reference:
Metabolic signatures of extreme longevity in northern Italian centenarians
reveal a complex remodeling of lipids, amino acids and gut microbiota
metabolism. Sebastiano Collino, Ivan Montoliu, François-Pierre Martin et al.
PLOS ONE, 8(3): e56564. doi:10.1371/journal.pone.0056564
Related Studies:
Aging Cell. 2012 Dec;11(6):1132-4. doi: 10.1111/acel.12005. Epub 2012 Oct 14
Related information:
Nestlé at the ICN
http://www.nestle.com/media/mediaeventscalendar/allevents/international-
congress-nutrition-2013
2013 International Congress of Nutrition
http://icn2013.com/
Nestlé Research Center
http://www.research.nestle.com/
Nestlé Institute of Health Sciences
http://www.nestleinstitutehealthsciences.com/
The NU-AGE project
http://www.nu-age.eu/about-project
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http://www.nestle.com/Media/NewsAndFeatures/Nestle-Satiety-study
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Media enquiries
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Email: mediarelations(at)nestle.com
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Source: Nestlé S.A. via Thomson Reuters ONE
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Datum: 20.09.2013 - 10:20 Uhr
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