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Tag: "transmission" at biology news

Queensland scientists identify molecule that links both sides of the brain

... nerve fibres. "This process is critical for the transmission of sensory information effectively throughout the adult brain." These findings are expected to have long-term implications for development of treatments for several forms of mental impairment and epilepsy. A QBI-led scientific paper outlining fun...

Study reveals how ADHD drugs work in brain

...w ADHD drugs, we need to target [neurotransmitter] transmission in the PFC." In the future, Berridge and his colleagues plan to look deeper within the PFC to gain more detailed insights into how ADHD meds act on nerves to enhance cognitive ability. Other researchers who contributed to the study include UW-Madis...

Chimpanzees can transmit cultural behavior to multiple 'generations'

...Sciences. Using a research design that simulated transmission over multiple generations, researchers Victoria Ho...ue in the non-control groups was due to behavioral transmission from a previous animal. "The chimpanzees in this study continued using only the technique they obs...

UGA study explains peaks and troughs of dengue epidemics

...ng used to study dengue can help shed light on the transmission of other multi-strain diseases such as cholera, malaria and influenza. He calls a better understanding of such diseases, "one of the most important issues in public health and epidemiology in general." "Until now, it's been very much a single-host,...

Ritalin packs punch by elevating norepinephrine, suppressing nerve signal transmissions

...the brain. "Methylphenidate enhances noradrenergic transmission and suppresses mid- and long-latency sensory responses in the primary somatosensory cortex of awake rats," by Philadelphia-based researchers Candice Drouin, University of Pennsylvania; Michelle Page, Thomas Jefferson University; and Barry Waterhouse,...

Knowledge of infection may prevent spread of herpes virus

...hat knowledge of infection would lead to decreased transmission of herpes simplex virus (HSV) to others. But Anna...g disclosure may result in decreased risk of HSV-2 transmission to sexual partners." The importance of this finding is described by editorialists Edward Hook III, ...

Avian flu modeled on supercomputer, explores vaccine and isolation options for thwarting a pandemic

...lamos' Theoretical Division. The model of disease transmission involves probabilities that any two people in a co...such as home or workplace. Thus, simulated disease transmission is more likely for two people in the same household and less likely for two people who have less in ...

US woman gives birth to baby from world's first frozen donor egg bank

...the current health hazards from infectious disease transmission present when using donor eggs that have not been frozen. Egg donors for CEI are tested as required by the FDA for infectious diseases within 30 days of egg collection. Additionally, the eggs are then frozen and quarantined for 6 months, and only afte...

Congenital rubella syndrome nearly eradicated in the US

... introduced in the 1970s has helped in eliminating transmission of rubella from expectant mothers to their unborn babies. "Effectively, congenital rubella syndrome has been nearly eradicated from the United States," according to the statement. There were fewer than 10 cases or rubella reported in the U.S. last ...

Are dancers genetically different than the rest of us? Yes, says Hebrew University researcher

...ssin receptor 1a. Both genes are involved in the transmission of information between nerve cells. The serotonin transporter regulates the level of serotonin, a brain transmitter that contributes to spiritual experience, among many other behavioral traits. The vasopressin receptor has been shown in many animal s...

New licensing agreement to maximize AIDS drug development

...ces of women and men and by helping to prevent the transmission of HIV/AIDS and other sexually transmitted diseases. CONRAD is administered through the Department of Obstetrics and Gynecology at Eastern Virginia Medical School (EVMS) in Norfolk, VA, with the main office located in Arlington, VA. www.conrad.org ...

Genetically engineered mosquitoes show resistance to dengue fever virus

...hes to interrupt malaria parasite and dengue virus transmission by mosquitoes. He has received a number of interna...ional effort to develop new methods to control the transmission of dengue fever. The project is among 43 groundbreaking research projects to improve health in devel...

Avian flu transmission to humans may be higher than thought

...oultry and flu-like illness in humans and that the transmission is probably more common than expected, according t...latively mild and that close contact is needed for transmission to humans," the authors conclude. ...

Major WHO study concludes calcium supplements can reduce complications during pregnancy

...often in recently infected people, indicating that transmission of resistant strains is occurring at an increased frequency. As a graduate student in McCammon's lab, Perryman initially set out to put the HIV protease enzyme in motion in a computer simulation, to catalog its many possible configurations. "HIV ca...

Computer simulation hints at new HIV drug target

...often in recently infected people, indicating that transmission of resistant strains is occurring at an increased frequency. As a graduate student in McCammon's lab, Perryman initially set out to put the HIV protease enzyme in motion in a computer simulation, to catalog its many possible configurations. "HIV ca...

Access to antiretrovirals unlikely to reduce HIV infection rates

...is likely to increase HIV/AIDS prevalence. Sexual transmission of HIV is more likely if the HIV-positive partner ...revent many new infections. It could even increase transmission of the virus as patients live longer and are healthier. Counseling patients and the rest of society ...

Anti-HIV drug has potential to prevent transmission in women

...l. Microbicides are designed to prevent the sexual transmission of HIV and other sexually transmitted diseases and...and evaluating them for their potential to prevent transmission of infection is an innovative approach that shows great promise." Published in the Feb. 28 issue of...

Extinctions linked to climate change

...through, and the powerful synergy between pathogen transmission and climate change should give us cause for concer...of pathogens, parasites and other types of disease transmission are factored in, it will be difficult to accurately gauge the full effects of climate change, and it...

Avian influenza virus in mammals spreads beyond the site of infection to other organ systems

...wn to occur in birds, with the fecal-oral route of transmission being most important. However, this is the first demonstration of systemic replication in cats, providing a cautionary tale for humans regarding how influenza is spread and how the disease presents itself. Rimmelzwaan and colleagues caution that b...

Brain differences could explain why males and females experience pain relief differently

...nces in the parts of the brain responsible for the transmission of pain sensations in the body. The study used rat brains, but a host of clinical evidence suggests that similar differences occur in humans ?in other words, this finding could eventually lead to the development of differential treatments for pain i...

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