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Recent News and Articles on the Keywords: breakdown + patterns + explained  Related to the article below (Last Update: 8/5/2008)


Daily Mail
The boy who developed dementia at SEVEN: One family reveals their ...
Daily Mail, UK -
Because of a faulty gene, the body doesn't produce the enzyme needed to break down cholesterol. The build-up in the organs, including the brain, ...

Pak Watan
Independence Day
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A breakdown and analysis of the election results, region wise, indicate the following. On the all-India basis, the Muslim League won 87.7 percent of the ...
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OurValley.org
Alternative ways to lose weight
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Anderson explained that the unconscious mind resists change, and always wants to do what is familiar. That is why it?s so difficult to break patterns. ...
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Nature.com (subscription), UK - Jul 24, 2008
The answer depends critically on the structure of neuronal correlations, or the tendency of groups of neurons to fire temporally coordinated spike patterns. ...
Board 2 Votes On Hunters Point South
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And Frank Carrado, who claims to know all the streets and traffic patterns of Long Island City, said any street plans thus far devised by the city agencies ...

Joy Online
Police alert - to fight crime - IGP
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If that pattern in the country's development agenda was allowed to continue, Mr Acheampong foresaw the persistence of the situation where police vehicles, ...
Q2 2008 Earnings Call Transcript
Seeking Alpha, NY - Jul 30, 2008
We always break down the details of our sales growth. Out of the 17.8% increase in sales for the second quarter, 2.6% was pricing, 9.4% was currency, ...ROC
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Abuse of state property
Sunday Leader (subscription), Sri Lanka - Jul 19, 2008
If the government sets a bad example, the same pattern can be observed by others also," said UNP legislator Ranjith Aluvihare. He said that over 20 vehicles ...
Source: Google News

Vortex Breakdown -
MG Hall - Annual Reviews in Fluid Mechanics, 1972 - Annual Reviews
... of about 50?, as shown in this case, whenever the break- down pattern took the ... are
samples from a range of distributions found for breakdown patterns of the ...

Demographic and Socio-economic Influences on Recent British Marital Breakdown Patterns -
MJ Murphy - Population Studies, 1985 - JSTOR
... the greater. INFLUENCES ON MARITAL BREAKDOWN PATTERNS 449 risk ... proportion of marriages
which break down during the ... is concerned with marital breakdown after at ...

Latitudinal patterns in leaf litter breakdown: is temperature really important? -
JG IRONS, MW OSWOOD, RJ STOUT, CM PRINGLE - Freshwater Biology, 1994 - Blackwell Synergy
... to explore the relationship between break- down rate and ... temperature in determining
leaf litter breakdown rates in ... Latitudinal patterns in Utter breakdown 403 ...

Food breakdown patterns produced by human subjects possessing artificial and natural teeth -
PW LUCAS, DA LUKE, FCT VOON, CL CHEW, R OW - Journal of Oral Rehabilitation, 1986 - Blackwell Synergy
... been alleged to possess an average capacity to break down food particles ... Food breakdown
patterns 211 ... d20/d80 value depended on the rate of breakdown but, for ...

Relationship between jaw movement and food breakdown in human mastication -
PW Lucas - Journal of Dental Research, 1986 - IADR
Relationship Between Jaw Movement and Food Breakdown in Human ... they appear to be ster-
eotyped in pattern. Baragar and Osborn (1984) have explained this by a ...

INFLUENCE OF FOOD MATRIX STRUCTURE AND ORAL BREAKDOWN DURING MASTICATION ON TEMPORAL PERCEPTION OF … -
CE WILSON, WE BROWN - Journal of Sensory Studies, 1997 - Blackwell Synergy
... in- terdependence of the mechanism of oral breakdown and the ... interfere in comparisons
of chewing patterns for the ... subject for chewing gum as explained in Brown ...

Chromosome differentiation, hybrid breakdown and the maintenance of a narrow hybrid zone in Caledia
DD Shaw, P Wilkinson - Chromosoma, 1980 - Springer
... pairs of chromosomes, is not easily explained by present ... 2. Embryonic Developmental
Patterns Among F 2 and ... The nature of the embryonic breakdown in development ...

The role of thermal stress fatigue in the breakdown of rock in cold regions -
K Hall - Geomorphology, 1999 - Elsevier
... in cold but dry regions can be explained by thermal ... as a major factor causing the
breakdown of rock and ... Studies of fracture patterns developed in ceramics as a ...

Beech Leaf Breakdown and POM Storage along an Altitudinal Stream Gradient -
T Fleituch - International Review of Hydrobiology, 2001 - doi.wiley.com
... of water cannot explain observed altitudinal patterns of leaf ... that litter can breakdown
rapidly close to 0 ... explain the differences in break- down rates between ...

Influence of exposure technique on leaf breakdown rates in streams -
EF Benfield, RW Paul, JR Webster - Oikos, 1979 - JSTOR
... in 12.5 mm mesh bags can be explained on the ... of pack size, ie small packs break down
faster than ... for current concepts of leaf breakdown patterns in streams. ...

Source: Google Scholar

Bodily breakdown explained: How cell differentiation patterns suppress somatic evolution

Natural selection can occur at the cellular level, where it is detrimental to health. Fortunately it is normally controlled by a well-known pattern of ongoing cell differentiation in the mature tissues of animals, according to a new study published December 14 in PLoS Computational Biology.

The failure of normal cell differentiation patterns may explain cancer and senescent decline with aging, say researchers at the University of Arizona, the Santa Fe Institute, the University of Pennsylvania, and the Wistar Institute.

Darwinian natural selection and evolution is usually studied in populations of organisms, but it also applies to cellular populations; this is called “somatic” evolution. Such somatic evolution tends to reduce cooperation among cells, thus threatening the integrity of the organism.

In this study the authors proposed that a well-known pattern of ongoing cell differentiation in the mature tissues of animals functions to suppress somatic evolution, which is essential to the origin and sustainability of multicellular organisms.

The team, lead by Dr. John Pepper, tested this hypothesis using a computer simulation of cell population dynamics and evolution. The results were consistent with the hypothesis, suggesting that familiar patterns of ongoing cell differentiation were crucial to the evolution of multicellular animals, and remain crucial as a bodily defense against cancer.

###

CITATION: Pepper JW, Sprouffske K, Maley CC (2007) Animal cell differentiation patterns suppress somatic evolution. PLoS Comput Biol 3(12): e250. doi:10.1371/journal.pcbi.0030250

CONTACT:

Dr. John Pepper
University of Arizona
520-250-2438
jpepper1@email.arizona.edu

Disclaimer

This press release refers to an upcoming article in PLoS Computational Biology. The release is provided by journal staff. Any opinions expressed in this release or article are the personal views of the journal staff and/or article contributors, and do not necessarily represent the views or policies of PLoS. PLoS expressly disclaims any and all warranties and liability in connection with the information found in the releases and articles and your use of such information.

About PLoS Computational Biology

PLoS Computational Biology (www.ploscompbiol.org) features works of exceptional significance that further our understanding of living systems at all scales through the application of computational methods. All works published in PLoS Computational Biology are open access. Everything is immediately available subject only to the condition that the original authorship and source are properly attributed. Copyright is retained by the authors. The Public Library of Science uses the Creative Commons Attribution License.

About the Public Library of Science

The Public Library of Science (PLoS) is a non-profit organization of scientists and physicians committed to making the world's scientific and medical literature a freely available public resource. For more information, visit http://www.plos.org.

PLEASE MENTION THE OPEN ACCESS JOURNAL PLoS COMPUTATIONAL BIOLOGY (www.ploscompbiol.org) AS THE SOURCE FOR THIS ARTICLE AND PROVIDE A LINK TO THE FREELY AVAILABLE TEXT. THANK YOU.

PLoS Computational Biology is an open-access, peer-reviewed journal published weekly by the Public Library of Science (PLoS) as the official journal of the International Society for Computational Biology (ISCB).
 
 
 
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