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assault in Biological News

University of Minnesota releases first ever comprehensive report of the health of college students

... of female students report experiencing a sexual assault in their lifetime with 6.8 percent reporting ... in their lifetime with 1.9 percent reporting an assault within the past 12 months. Such assaults have ... said. Students who have been victims of sexual assault report higher rates of depression. Sexual ...

Humans 'damaging the oceans'

... loss in fisheries production will have a direct impact on us, he adds. Besides the changes induced by carbon emissions, the oceans are also under assault from over-fishing, increased UV exposure, toxic pollution, alien species and disease. The combined effect is to weaken the ability of many species to ...

Study finds homicidal poisoning rising, more likely in infants and elderly

... found that drugs, medications and other biological substances accounted for 65 percent of the poisonings during the 1999 to 2005 study period, while assault by gasses and vapor accounted for 28 percent of poisonings. The remaining seven percent of assaults involved other chemicals, corrosive substances or ...

American Chemical Society Weekly PressPac -- April 15, 2009

... of famed Nobel Prize winning Mdecins sans Frontires is joining hands with pharmaceutical companies, government agencies and private donors in a new assault on neglected diseases. Those hard-to-treat diseases include leishmaniasis, sleeping sickness, and Chagas disease. These conditions infect millions of ...

DNA repair mechanisms relocate in response to stress

... the more chances there could be to influence those responses for diagnostic or therapeutic purposes." The DNA inside cells is continually under assault by heat, radiation and oxygen. Cells have an extensive set of repair enzymes that comb through DNA, continually excising and re-copying damaged ...

Human DNA repair process recorded in action

... human counterpart. The new study was published in the Proceedings of the National Academy of Sciences on Jan. 13. Human DNA is under constant assault from harmful agents such as ultraviolet sunlight, tobacco smoke and a myriad of chemicals, both natural and man-made. Because damage can lead to ...

University of Leicester archaeologist uncovers evidence of ancient chemical warfare

... and bellows in their gallery, and when the Romans broke through, added the chemicals and pumped choking clouds into the Roman tunnel. The Roman assault party were unconscious in seconds, dead in minutes. Use of such smoke generators in siege-mines is actually mentioned in classical texts, and it is ...

URI researchers help score knockout punch on birch tree pest

... KINGSTON, R.I. November 24, 2008 The United States has been under assault for decades by a wide variety of alien plants and animals, and it is not often that one of these aliens faces a counterpunch. But in a collaborative ...

Pesticide build-up could lead to poor honey bee health

... pollen and nectar to the hive, but along with the bounty comes a wide variety of pesticides, according to Penn State researchers. Add the outside assault to the pesticides already in the waxy structure of the hive, and bee researchers see a problem difficult to evaluate and correct. However, an ...

In the laboratory, green tea proves a powerful medicine against severe sepsis

... worldwide have been stumped by sepsis. Even with the most advanced medical techniques available, half of those who develop sepsis die of the massive assault on the body. Several laboratories at the Feinstein Institute are working on sepsis both on the basic biological level and in patients. In the ...

Growing nerve cells in 3-D dramatically affects gene expression

... This means that the critical functions scientists are trying to understand by studying these cells ?from the proliferation of cancer to the bacterial assault by antibiotics ?may play out differently. Studies indeed show differences in behavior between cells cultured in 2-D and in 3-D. Cells cultured in ...

Why doesn't the immune system attack the small intestine?

... are found in lymph nodes throughout the body, they may offer a way of suppressing a variety of autoimmune diseases," which result from immune system assault on healthy tissue. The immune system distinguishes between normal and foreign agents by small proteins, called antigens, on the cell surface. In ...

Gene hunters close in on Lou Gehrig’s disease

... University School of Medicine. ALS, also known as Lou Gehrig’s disease for the legendary Yankee first baseman who succumbed to its paralyzing assault on the nervous system, kills 10,000 Americans a year. An estimated one in 2,000 people is at risk of developing the disease. Genes behind ...

When smell cells fail they call in stem cell reserves

... things are really bad.? The only nerve cells in the body to run directly from the brain to the outside world, olfactory cells are under constant assault from harsh chemicals that one might happen to catch a whiff of by accident, risking damage or death. To figure out how the olfactory system ...

Key to lung cancer chemo resistance revealed

... gene called KEAP1 encodes products that stop this cleansing process. But lung cancer cells sabotage the expression of these same genes to block assault from chemotherapy drugs. "What we're seeing is that lung cancer cells recruit and distort NRF2 and KEAP1 expression to help tumor cells evade ...

Renewed dolphin slaughter prompts new campaign

... are susceptible to disruption or even dissolution in the drives. "The scientific evidence is abundantly clear--the Japanese dolphin hunts are an assault on intelligent, sentient, and emotional beings with brains that should make us all stop and think" said Dr. Lori Marino, Senior Lecturer in ...

New research promising for improving brain cell survival after brain injury

... healthy neurons to die en masse. "This treatment to prevent brain damage has wide application and could be given to car accident and assault victims, people undergoing radiotherapy for brain tumours, premature babies that need to be induced, and stroke patients. "While we still have a ...

Researchers show how brain decodes complex smells

... Biomedical Research Foundation. Scientists have long debated how the brain makes order out of the hundreds of volatile chemical compounds that assault the nose. Is the brain's odor code redundant, with single cells responding to multiple components in the smell of a freshly baked cookie? Or does the ...

Widespread elephant slaughter discovered in Chad

... "Two days later we were flying west of that area when we saw a poachers' camp. The second time we passed over I saw a guy and a horse and an assault rifle in the poacher's hands. The third time we flew over, this time only about 150 feet above the camp, I could see the man shooting at us." No one ...

Pretreating rogue cancer cells with aspirin cripples their resistance to targeted therapy

... the introduction of invasive predators such as cats and rats. This study shows that the extinction crisis has now expanded to become a full-blown assault on Earth's major land masses, with the majority of at-risk sites and species now found on continental mountains and in lowland areas. Also ...

New study pinpoints epicenters of Earth's imminent extinctions

... the introduction of invasive predators such as cats and rats. This study shows that the extinction crisis has now expanded to become a full-blown assault on Earth's major land masses, with the majority of at-risk sites and species now found on continental mountains and in lowland areas. Also ...

Researcher says flu responders can learn from 1918 epidemic

... prominent, influential members of America's religious community have recently invoked the theory of an angry God to explain both 9-11 and Katrina's assault on a sinful city." Medical knowledge, research findings and pharmaceutical developments provide some hope that 21st century Americans might not ...

Pinpointing the cause of a neurodegenerative disorder

... glutamine. The new findings, which are published in the August 26, 2005, issue of the journal Cell, provide a molecular explanation for Ataxin-1's assault on cerebellar Purkinje cells. The findings should help to understand a range of diseases, including Huntington's disease, which are caused by an ...

Natural Killers Could Lead to New Hepatitis Treatments

... NKT cells crawl along vessel walls, even upstream against blood flow. They halt only when they receive a chemical signal to unleash an immune-system assault on marauding microbes, other invaders or damaged tissue. The findings offer a new way of thinking about this important class of immune cell, which ...
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