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Tag: "sustaining" at biology news

Hirsute Or Hairless? Two Proteins May Spell The Difference

...nd the down-regulation of E-cadherin. Artificially sustaining Snail expression in the skin of transgenic mice caused abnormal levels of cell proliferation in the epidermis and reduced cell adhesion. Working with skin keratinocytes, precursors of hair fibers, Fuchs and colleagues explored several signaling prot...

HIV-1 spread through six transmission lines in the UK

...strains existed they may have been unsuccessful in sustaining transmission to the present, although the absence of older strains could also reflect a sampling bias in this study. ...

Changing ecosystems throw scientists mega-challenges

...an adequate quantity and quality of freshwater for sustaining all forms of like is a growing challenge. " Integrated, multidisciplinary, and multi-scale, water-related research is necessary for meeting the challenge." The authors recommend that NSF focus on water as a unifying theme for research and complex en...

Scripps scientists find potential for catastrophic shifts in Pacific ecosystems

...environmental managers charged with overseeing and sustaining ecosystem resources such as fisheries. Surprisingly, it relates to many disciplines involving complex webs of mutually interacting parts, such as ecosystems and world financial markets, which have the potential for unexpected collapse and irreversibl...

Using computers and DNA to count bacteria

... human activities on the organisms responsible for sustaining all higher life forms. ...

Comparison of Cocaine, Methamphetamine ‘Highs?Finds Differences

... human activities on the organisms responsible for sustaining all higher life forms. ...

Discovering an ecosystem beneath a collapsed Antarctic ice shelf

... vents likely provide the energy source capable of sustaining the chemical life at the observed 850-meter [approximately 2800-foot] depth. Such extreme cold-vent regions have previously been found near Monterey, California, where the phenomenon was discovered in 1984, in the Gulf of Mexico, and deep within the...

Tropical Atlantic cooling and African deforestation correlate to drought, report scientists

...ornia, Santa Barbara. The monsoons are critical to sustaining agriculture in equatorial Africa. Weldeab says that man's reduction of inland vegetation cover through deforestation and overgrazing in equatorial Africa and increases in global temperatures through the emission of greenhouse gases will likely stron...

New study shows benefit of early therapy in HIV-infected infants

...y age at initiation and an increased likelihood of sustaining CD4 cell level recovery. They found that the risk of subsequent deterioration was similar for children initiating treatment in all age groups. Still, because initiating effective antiretroviral therapy before 5 months of age was strongly associated ...

DNA: Bacteria's survival ration

...s the DNA from dead cells in the human body may be sustaining harmful bacteria. One of the pathogens implicated in cystic fibrosis is suspected of feeding on DNA in lung tissue, Finkel said. Biofilms, which have been linked to chronic infections, also may harbor nutritionally competent germs. If researchers s...

Rehydrate -- your RNA needs it

...des, is famous for its roles in shaping the Earth, sustaining living creatures and serving as a universal solvent. Now, researchers at the University of Michigan and the Academy of Sciences of the Czech Republic have uncovered two previously unknown roles for water in RNA enzymes, molecules which themselves ...

Study reveals details of mussels' tenacious bonds

...e to virtually all inorganic and organic surfaces, sustaining their tenacious bonds in saltwater, including turbulent tidal environments. Little is known, however, about exactly how the bivalves achieve this amazing feat. In a paper to be published online the week of Aug. 14 by the Proceedings of the National...

Common carp sheds new light on surviving in extreme environments

... to investigate whether the protein is involved in sustaining normal blood flow through tissue capillaries and oxygen delivery during difficult times." ...

New HIV statistics indicate increasing toll of AIDS on African American community

...mmunity. Reduce role of injection drug use in sustaining the AIDS epidemic. ?Among blacks, one in five (19%) new HIV infections is attributed to the sharing of contaminated needles through injection drug use. Reducing the role of injection drug use in the spread of HIV will require an increased investment...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

...g the populations of top predators is critical for sustaining healthy oceanic ecosystems," says Peterson. "Despite the vastness of the oceans, its organisms are interconnected, meaning that changes at one level have implications several steps removed. Through our work, the ocean is not so unfathomable, and we ...

Florida Tech explores microalgae for biofuel

...th. "Alternative energy is desperately needed for sustaining the economy, national security and to respond to environmental concerns. Microalgae cultivation is an attractive alternative and the warm Florida climate makes large-scale production a possibility," said Lin. ...

Cancer vaccines -- Taking a jab at cancer by stimulating the immune system

...nces the helper T cells, which are instrumental in sustaining the killer T-cell response. The combined strategy has already shown great promise in studies using animal models and human cells in culture, according to the researchers. The phase I trial, which will eventually enroll 24 patients with head and...

ESA launches new project to protect biodiversity

... populations and genes, is of grave importance for sustaining the planet's six billion people. The loss of biodiversity threatens our food supplies, energy and medicines. For instance, up to 80% of the world's population currently relies on plant and animal-based medicines for their primary health care needs. T...

In-shell vaccine for chick disease

...of up to 100 percent. With the UK poultry industry sustaining losses of £23.6M a year to infectious bronchitis virus we hope that our research could have a real impact on improving yields for UK farmers." "We are currently trying to modify the vaccine further, in collaboration with Intervet, to make it suita...

How appetite-stimulating brain cells work overtime during fasting

...esults indicate that this mechanism is critical in sustaining an increased firing rate in these [hunger-stimulating] cells so that appetite remains elevated during fasting," Diano's group concluded. "Overall, our study provides strong evidence for an interplay between local T3 production and UCP2 during fasting...

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(Date:4/15/2014)... 2014) The American Association of Anatomists (AAA) is ... awards will be presented during the Closing Awards Ceremony ... Tuesday, April 29th at 7:30 p.m. during AAA,s 2014 ... The 2014 award winners are: , Henry ... the Icahn School of Medicine at Mount Sinai, Past-President ...
(Date:4/15/2014)... Academy of Arts and Sciences (KNAW) has announced the ... awarded prestigious Heineken Prizes (one million US dollars prize ... for their great merits to science. , This year ... awarded to the Austrian-American chemist Erwin Chargaff in 1964. ... Prizes to the following laureates: , Christopher ...
(Date:4/15/2014)... 2050, deforestation could cause temperatures in the Congo ... would intensify warming caused by greenhouse gases by ... the University of Leuven, Belgium. , Explosive population ... destruction of tropical rainforests in Central Africa. A ... examined how these practices will affect longer-term temperatures ...
Breaking Biology News(10 mins):American Association of Anatomists 2014 award winners 2Five scientists awarded prestigious Heineken Prizes 2Study: Deforestation could intensify climate change in Congo Basin by half 2
(Date:4/14/2014)... orphaned by HIV/AIDS in South Africa may provide insight ... behavior issues in other areas of the world, which ... that could lead to successful interventions. , A ... United Nations mentions that due to the HIV/AIDS pandemic, ... African, children are at an increased risk for mental ...
(Date:4/14/2014)... A new study shows that moderate to severe ... risk of stroke, cancer and death. , Results of ... to severe obstructive sleep apnea were four times more ... times more likely to have a stroke (HR = ... (HR = 3.4), and 2.5 times more likely to ...
(Date:4/14/2014)... Dallas study involving serious youth offenders, the answer to one ... seven years: "How long do you think you,ll live?", According ... offending over time., Author Dr. Alex Piquero said the study ... of them offend at very high rates and commit more ... much later in life offend much less., "In a lot ...
(Date:4/14/2014)... with symptoms increasing dramatically during some of the most important ... has found. , Depressive symptoms increased on average by 68 ... young men, who were around 25 years old when they ... their children. The results of the study were published April ... is the first to identify when young fathers are at ...
(Date:4/14/2014)... Lower weight babies and babies who aren,t breastfed ... risk of developing chronic inflammation and related health ... study. , "There were good reasons to hypothesize ... inflammation in adulthood," says Thomas McDade (Northwestern University), ... in the Child & Brain Development program. "It ...
Breaking Medicine News(10 mins):Health News:Researchers identify children with emotional behavior difficulties 2Health News:Researchers identify children with emotional behavior difficulties 3Health News:Study links severe sleep apnea to increased risk of stroke, cancer and death 2Health News:UT Dallas study: Youth who fail to envision future commit more crimes 2Health News:Young dads at high risk of depression, too 2Health News:Low birth weight, less breastfeeding create later health risks 2
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