Tag: "patterns" at biology news
Outcome for acute lymphoblastic leukemia linked to gene expression patterns
...t protocol at St. Jude. "The gene expression patterns
linked to drug resistance were particularly important since they occurred in both the Rotterdam and the St. Jude patient populations, even though these two groups of children were treated with these drugs in different countries and on different proto...
Where the sage-grouse roam
...helet (Oregon State University) completed on frost patterns
and the possible impacts of climate change on the Great Basin Ecosystems. Steven Knick will describe how he and his USGS colleagues, Matthias Leu and Thomas Loveland, combined satellite imagery of habitats and surveys of sage sparrows, Brewers ...
Climate change could doom Alaska's tundra
...t said, such as major changes in ocean circulation patterns
that could have unpredictable effects on regional climate. One such change that has been suggested a shutdown of a major ocean current and circulation pattern in the North Atlantic ocean that currently is responsible for warming much of Europe migh...
Droughts like 1930s Dust Bowl may have been unexceptional in prehistoric times, new study suggests
...etween samplings was about once every decade, "the patterns
just jumped right out at us," he recalled in an interview. "We were seeing these very coherent drought cycles. "What would happen was that the grass would disappear. So the fuel for fire would be lost. We'd see the erosion start. The chemistry of the...
A changing landscape may have dire implications for birds
...Madison and the U.S. Forest Service, details broad patterns
of birds' response to housing growth and land cover change in the lower 48 United States. The bottom line, according to UW-Madison researchers Anna Pidgeon and Chris Lepczyk, is that as rural forested landscapes are developed and parsed by roads and ...
LA BioMed Medical/Research Briefs, July/August 2004
...it this process in order to discern gene-selection patterns
based on function, that is, through functional and comparative genomics." John Torday, PhD, is available at 310- 222-8186 or firstname.lastname@example.org ....
Reaching for the gold
...des to the athlete's body to measure muscle firing patterns
and neural control during performance. With runners, she'll use force plates to measure the amount of push being generated. The data she records during a performance will show her how much force is exerted by different muscle groups and joint moveme...
NSF awards $10 million in grants to ocean sites for long-term ecological research
...ariety of finfish and shellfish, modulates weather patterns
and the hydrologic cycle of much of the western United States, and plays a vital role in the economy of myriad coastal communities," says Taylor. Understanding the mechanism of change in coastal ecosystems is important to the management of living and...
New view of leukemia cells identifies best treatment options, Stanford researchers say
...follow-up experiments Nolan hopes to correlate the patterns
in the note-passing network to how well the patients responded to different forms of chemotherapy and how long their remission lasted. Armed with that information, doctors can help patients get the best treatment for their disease sooner. ...
Microarrays, key genome expression trackers, work better when probes are sequence-verified
...nsively used to investigate genome-wide expression patterns
and has facilitated a revolution in the characterization of cellular regulation. In addition, comprehensive gene expression profiling shows great potential for human disease diagnostics. For instance, multiple research groups have shown that microarr...
Patterning the face
...he mechanism by which cell signals induce specific patterns
of cartilage and bone that form the vertebrate head. In zebrafish mutated for a gene called integrina5, the authors report, a specific region of the jaw support (hyosymplectic) cartilage fails to develop. Integrins are cell surface proteins that prom...
Reading hexametric rhyme supports cardiac synchronization, especially after a heart attack
...The effects of different breathing frequencies and patterns
found in poetry readings on cardiovascular regulation have been investigated extensively in recent years. Poetry recitation has been known to cause a frequency adjustment of breathing oscillations with endogenous blood pressure fluctuations (Mayer wa...
Researchers discuss revised Food Guide Pyramid and what it will mean for the food industry
...ill help motivate consumers to put the food intake patterns
into practice in order to improve their food choic...bispo, reminded the food industry that consumption patterns
need to be considered in any type of dietary intervention. Whole foods should be used as the core i...
Gene expression patterns may help predict risk and progression of prostate cancer
...ate cancer through the identification of genes and patterns
of gene expression, we can more precisely understa...sue compared to disease-free tissue and found that patterns
of gene expression in benign adjacent prostate tissue were much more similar to prostate cancer tiss...
Sleepless over Seattle: Migrating songbirds forgo sleep but keep their wits
...ced sensors on their brains to monitor their sleep patterns
across the seasons. During the times the birds would normally be migrating, they slept about a third as much as usual and entered more quickly into REM sleep, the stage of sleep typically associated with dreaming in humans. At night, when the birds w...
UW study: Migrating birds offer insight into sleep
...ing their wings. Brain sensors measure their sleep patterns
continuously during migratory and non-migratory periods. During "migrating" times, they slept about one-third as much as usual and moved more quickly into REM sleep, marked by rapid eye movements. At night, when the birds were active, the brain recor...
Growth study of wild chimpanzees challenges assumptions about early humans
...gest that wild chimpanzees and Homo erectus growth patterns
may not have differed from each other as much as previously thought," said Zihlman. "These findings do not support Homo erectus developmentally as an intermediate between chimplike ancestors and modern humans. Our data also call into question the ass...
Study reveals evolution on the (butterfly) wing
...ologists have long appreciated that butterfly wing patterns
dramatically exemplify the intricate interplay between genes and the environment -- as the patterns
evolve to give butterflies advantages in evading predators and attracting mates. In a paper in the J...
Altered expression of key developmental genes underlies evolution of butterfly wing patterns
The diverse and colorful wing patterns
of butterflies and moths provide some of the most ...cies report this week that a certain class of wing patterns
has likely evolved through seemingly simple alterations in the timing of various types of gene expre...
Study supports association between HPV infection and head and neck cancer
... of genetic changes than tumors without HPV. These patterns
suggest that infection with HPV may play a role in...were lost early in tumor development. The observed patterns
support the idea that HNSCCs can be subdivided into two genetically distinct categories and that HPV...
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