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Tag: "subtype" at biology news

Drug That 'Tags' Decision-making Areas Of The Brain May Aid

... human behavior,developed Nifrolidine to measure a subtype of nicotine receptors in theliving brain by using an imaging technique, positron emissiontomography, more commonly known as PET scans. After proving the drug’seffectiveness, Mukherjee believes the drug will have implications forother conditions, as w...

HIV-1 spread through six transmission lines in the UK

...y College London (UCL) scientists found that HIV-1 subtype B spread through the UK via at least six large tra...sex with men, suggesting separate introductions of subtype B strains into the UK in the early-to-mid 1980s. After an initial period of exponential growth in in...

Structure-building cell signals also may influence learning and memory

...., and their colleagues found that when the ephrin subtype EphrinB activated its EphB receptor, a cascading chemical pathway was triggered that ultimately stimulated an enzyme called synaptojanin-1. This enzyme is essential for a process known as cellular endocytosis, whereby certain chemicals, viruses or ot...

'EuroVacc 02' HIV Vaccine Trial Begins

... in February 2005. These vaccines are based on HIV subtype C, which is prevalent in China, India and sub-Saha...ty of Regensburg based on a representative Chinese subtype C isolate CN54 jointly developed with Professor Yiming Shao from the CDC Beijing. The plasmid was co...

Drug resistant avian influenza viruses more common in Southeast Asia than North America

...more rapidly among avian influenza viruses of H5N1 subtype in Southeast Asia than in North America, according...iruses concern world health officials because H5N1 subtype has been spreading throughout chicken flocks and wild birds in Southeast Asia since it emerged in 19...

Smoking damages key regulatory enzyme in the lung

...ation and movement of the radiotracer and MAO A, a subtype of the enzyme crucial to mood regulation and one t...smokers and Smokers," researchers traced the MAO A subtype in nine smokers and nine nonsmokers, discovering that MAO A was fairly well "intact" in all of the p...

New U. of Colorado at Boulder flu chip may help combat future epidemics, pandemics

...iggering a worldwide pandemic. "If an unusual flu subtype surfaces that has characteristics of both avian and human flu types, we could detect it rapidly using this technology," Kuchta said. Standard laboratory culturing techniques by the CDC and WHO currently take four days to five days to determine flu s...

HIV-infected adults in Botswana respond positively to ARV therapy public treatment program

...alth researchers have found that people with HIV-1 subtype C in resource-poor settings, who receive antiretroviral (ARV) therapy, can achieve comparable results to those in the developed world. A fully supported health care delivery system and infrastructure help ensure this success, according to data publis...

New Therapeutic Target Identified In Inherited Brain Tumor Disorder

...alth researchers have found that people with HIV-1 subtype C in resource-poor settings, who receive antiretroviral (ARV) therapy, can achieve comparable results to those in the developed world. A fully supported health care delivery system and infrastructure help ensure this success, according to data publis...

Largest computational biology simulation mimics life’s most essential nanomachine

...alth researchers have found that people with HIV-1 subtype C in resource-poor settings, who receive antiretroviral (ARV) therapy, can achieve comparable results to those in the developed world. A fully supported health care delivery system and infrastructure help ensure this success, according to data publis...

Avian flu transmission to humans may be higher than thought

...ghly pathogenic avian influenza (HPAI) in poultry, subtype H5N1. The researchers included 45,478 randomly se...n that in Vietnam, an epidemic of HPAI in poultry, subtype H5N1, has been ongoing since 2003, despite efforts by the government to eliminate the diseased birds...

Scientists discover new genetic subtypes of common blood cancer

...pies of entire chromosomes, and patients with this subtype appear to fare better. The non-hyperdiploid form lacks these extra chromosomes and instead has abnormal rearrangements between different chromosomes, and the outlook is generally worse for these patients. The collaborating researchers sought to cast...

Statins have neutral effect on risk of cancer

...d find no type of cancer that statins benefited or subtype of statin that reduced the risk of cancer. ...

Breast stem cells have features similar to 'basal' tumors

...s of the stem cell resemble the aggressive 'basal' subtype of breast cancer. There is increasing evidence tha...rkers. These characteristics also define the basal subtype of breast cancer, which is more commonly seen in tumoursthat develop in women who are carriers of th...

Gorilla susceptibility to Ebola virus: the cost of sociality

...humans and other great apes. Since 1994, the Zaïre subtype of the Ebola filovirus has been responsible for nine human outbreaks in Gabon and the Republic of the Congo; a majority of these outbreaks have originated from the handling of infected great-ape carcasses. In fact, Ebola virus has become one of the m...

Viral marker of human migration suspect

...eral instances of one population group harboring a subtype typically associated with another group," she said...ple one finds viruses from the Japanese and Korean subtype in the European subtype group--another incongruency." If the virus had been strictly passed down ...

Getting to the heart of the heart

... in a Petri dish, then isolated a relatively rare subtype of cell (just 1 percent of the cells in the dish) that were poised to begin developing along a cardiac pathway. The presence of these cardiac progenitors was indicated by a green fluorescent protein, which lit up when a gene called Nkx2.5 was activat...

U of S Vaccine and Infectious Disease Organization team discovers key step in flu virus replication

...all influenza viruses, including influenza A virus subtype H5N1," said VIDO Director Lorne Babiuk. Zhou says that although years of research remain to be done, this work provides novel insights for developing live vaccines and antiviral drugs for influenza epidemics and pandemics. A provisional patent ha...

Evolution of influenza A virus

...nvestigate the evolutionary properties of the H3N2 subtype of human influenza A virus. The authors, in the first population-based study of its kind, collected a sample group of 413 complete influenza genomes from across New York State. Comparative analysis of the samples revealed genetically distinct viral ...

Molecular signature may identify cisplatin-sensitive breast tumors

...he monoclonal antibody Herceptin. The third major subtype is the 15 to 20 percent of breast tumors that have... poor. Triple-negative tumors are the most common subtype found in patients with mutations in the BRCA1 gene, but they also appear in women without alteration...

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