Lethal

Roundup®highly lethal to amphibians, finds University of Pittsburgh researcher

The herbicide Roundup® is widely used to eradicate weeds. But a study published today by a University of Pittsburgh researcher finds that the chemical may be eradicating much more than that. Pitt assistant professor of biology Rick Relyea found that Roundup®, the second most commonly applied herbicide in the United States, is "extremely lethal" to amphibians. This field experiment is one o...

Lethal needle blight epidemic may be related to climate change

Increased summer precipitation apparently helping to spread spores of pathogen Biologists studying a lethal blight of lodgepole pines in northwestern British Columbia present strong evidence in the September issue of BioScience that climate change is to blame for the outbreak. The blight, caused by the fungus Dothistroma septosporum, causes trees to lose their needles and, in the case of...

Gene-specific Ebola therapies protect non-human primates from lethal disease

Scientists have developed a successful strategy for interfering with Ebola virus infection that protected 75 percent of nonhuman primates exposed to the lethal disease. This is the first successful antiviral intervention against filoviruses like Ebola in nonhuman primates. The findings could serve as the basis for a new approach to quickly develop virus-specific therapies for known, emerging, and...

'Genetic network' guards against lethal DNA damage

The discovery in yeast cells of a genetic network that guards against lethal DNA damage is a first step in the creation of a database of disease-causing combinations of mutated human genes, according to researchers at The Johns Hopkins University School of Medicine led by Jef. D. Boeke, Ph.D. In a report in the March 10 issue of Cell, the Hopkins team described a genetic network that is necessary...

Researchers discover key mechanism by which lethal viruses Ebola and Marburg cause disease

Researchers in the Greene Infectious Disease Laboratory at Columbia University's Mailman School of Public Health, the Centers for Disease Control and Prevention, and the Caribbean Primate Research Center have discovered a key mechanism by which the Filoviruses, Ebola and Marburg, cause disease. The identification of an amino acid sequence in Filoviruses that results in the rapid depression of im...

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OpGen Creates Map of Worlds Most Lethal Fungus

Madison, Wis.-- The worlds most common lethal fungal infection is caused by a mold called , a University of Wisconsin-Madison spinout, has created a whole genome...

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Lethal Heart Condition linked To Cocaine Use

Cocaine can cause a lethal rupture in the heart’s main artery, a condition that should be suspected in people treated for chest pain. The condition called aortic dissection occurs when the lining of the aorta tears, exposing the inner layer. //Cocaine use is not a commonly recognized risk factor for aortic dissection, which usually occurs in older people with high blood pressure. However, researc...

AIDS - The ‘silent but lethal tsunami’ of Asia

Asia has always been looked at by outsiders as the land of mystic magic, serine breath taking beauty, and the // harmonious central key to getting in touch with the spiritual side of humanity. However there is more to this large sub-continent then what meets the eye at first glance. The AIDS virus has been silently threatening all of Asia. Its spread is rapid and deadly. One in four...

Toll-like Receptor (Tlr3) Attachment Leads To Lethal Encephalitis

Researchers have found that recognisation of West Nile Virus (WNV) by Toll-like// receptor (Tlr3) as the major factor which allows the virus to cross the blood-brain barrier (BBB) and cause lethal encephalitis. WNV is a single stranded RNA (ssRNA) flavivirus with a life cycle that primarily involves birds and mosquitoes; however, humans and horses can become infected. In humans, infect...

How Lethal Is The H5N1?

Questions are being raised with regard to the real danger posed by the bird flu, as it has claimed only three lives in Turkey while others infected in the country have // survived. Most people are beginning to feel that the danger from the virus has been grossly overrated. The death toll rate of the H5N1 is estimated at 50%. The World Health Organization's Dr. Guenael Rodier has howe...

Prevention of lethal diseases by vaccines

Vaccines for lethal diseases such as malaria, prostate caner, cervical cancer, genital warts have been successfully developed to help people suffering from such diseases. // Australian scientists have developed vaccines for two of the most lethal diseases malaria and advanced prostate cancer. Professor Ian Frazer who been awarded Australian of the Year, unveiled the world's fi...

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Ceragenix Compound Shows Promise for Treating Lethal Cystic Fibrosis Infections

DENVER--(BUSINESS WIRE)--Jul 2, 2007 - Ceragenix Pharmaceuticals,Inc. (OTCBB:CGXP), a biopharmaceutical company focused oninfectious disease and dermatology, today announced thatresearchers at the University of Pennsylvania led by Dr. PaulJanmey and Dr. Robert Bucki, in collaboration with Dr. Paul B.Savage of Brigham Young University, have demonstrated in a seriesof in vitro experiments tha...

Novavax Pandemic Flu Vaccine Provided Protection Against a Lethal Challenge of Live Virus, Pre-Clinical Data Show

Study Presented at Second International Conference on AvianInfluenza at France's Pasteur Institute PARIS, June 01, 2007 /PRNewswire-FirstCall/ -- Very low doses ofNovavax Inc.'s pandemic influenza vaccine provided protectionagainst a lethal challenge of live H5N1 viruses, according topre-clinical data presented here today at the Second InternationalConference on Avian Influenza in Humans....

Peramivir Protects Mice From Lethal H5N1 Infection

St. Jude study shows intramuscular injection of peramivir for eightdays protected mice from lethal H5N1 influenza virus infection andinhibited virus replication, supporting the use of this drug tocontrol influenza during a pandemic MEMPHIS, Tenn., May 01, 2007 /PRNewswire-USNewswire/ -- Theantiviral drug peramivir might offer humans significant protectionduring a pandemic of the avian inf...

IR BioSciences Announces Data Demonstrating Radilex Stimulation of Stem Cells Results in Hematopoietic Recovery Following Lethal Irradiation

Animal Data Shows Prolonged Survival AND Increased PlateletConcentrations SCOTTSDALE, Ariz., March 08, 2007 /PRNewswire-FirstCall/ --ImmuneRegen BioSciences, a wholly-owned subsidiary of IRBioSciences Holdings, Inc. announced today that ongoing analysis ofdata acquired from previously performed animal efficacy studies hasrevealed evidence that ImmuneRegen's developmental stage product,Ra...