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Tag: "transmitted" at biology news

Multiple malaria infection inhibits spread of parasite

...he developmental stage of the parasite that can be transmitted from people to the mosquito. In the mosquito's sto...oite) in the salivary gland. The sporozoite can be transmitted with the saliva to a person if he/she is bitten by this mosquito. There the parasite reproduces rapi...

A revolution in the monitoring of unborn babies

... time fetal readings and the resulting data can be transmitted by wireless technology to the nearest PC or hand held computer. The device has now passed all EU regulatory safety standards and is currently undergoing clinical trials. Dr Barrie Hayes-Gill expects the device to go on sale in October this year. ...

Circumcision: A proven strategy to prevent HIV

...ng, medical care, tests and treatment for sexually transmitted infections, condoms and behavioral risk counseling during periodic assessments throughout the study. The clinical trial found that 47 of the 1,391 uncircumcised men contracted HIV, compared to 22 of the 1,393 circumcised men. "Our study shows ...

Common parasitic infection leads to increased risk for HIV infection

...f HIV infection among women with a common sexually transmitted disease, trichomoniasis. Although studies have bee...aken in the past to show the link between sexually transmitted infections and susceptibility to HIV, the study published in the March 1 issue of The Journal of Inf...

MIT device draws cells close -- but not too close -- together

... devices. Because cells communicate via signals transmitted both through the touching of cell membranes and through soluble molecules that flow between separated cells, biologists need to vary the spacing of cells to study their interactions. Also, since some signals induce a cell to change its internal progr...

On automatic pilot

...ls from a specific structure in the brain stem are transmitted to Purkinje cells located in the cerebellar cortex. Mossy fibres transmit signals from various parts of the central nervous system to the granule cells of the cerebellar cortex. Pijpers reconstructed the modular anatomy of the cerebellum by injec...

Temple University Hospital investigates treatment for cervical dysplasia

... numerous women afflicted with the common sexually transmitted disease known as human papillomavirus (HPV), the immune system can not prevent certain high-risk strains of the virus from causing cervical dysplasia, a common precursor to cervical cancer. "The expected widespread availability of two preventive vacc...

Salmonella survives better in stomach due to altered DNA

...ctions with a specific type of Salmonella bacteria transmitted via food. This type, Salmonella serovar Typhimuriu... DT104 is an antibiotic-resistant pathogen that is transmitted via food and is considered to be dangerous for humans. In recent decades the number of infections wi...

UCSF study will test new vaginal microbicide for herpes and HIV

...ly to prevent the spread of HIV and other sexually transmitted diseases. There are currently no such products on ... sexually active, healthy and free of any sexually transmitted disease. They cannot be pregnant or breast feeding. They must either have regular menstrual periods ...

British cattle give TB to badgers, finds UC Davis expert

... tuberculosis, a disease which can occasionally be transmitted to people. Farming ministers are currently deciding whether culling should be continued, following a public consultation on the issue which provoked over 47,000 responses. Woodroffe's report, published Oct. 2 in the Proceedings of theNational Academ...

Lost in the labyrinth

...iation, but didn't know how the signals were being transmitted within the hematopoietic stem cell." The modified protein had dramatic effects. Usually, most cells undergo numerous transitional stages on their way from stem cells to fully-developed types in the blood. Several types of blood cells vanished entire...

Newts which regrow their hearts

...ach other," explains Braun. These signals could be transmitted via certain enzymes, for example. An enzyme of this nature - focal adhesion kinase -, which plays a part in the transmission of signals in the cells, is phosphorylated in the transplanted cells and is thus active. The Max Planck researchers in Bad Na...

Common ancestry of bacterium and plants could be key to an effective new treatment for chlamydia

...t the Chlamydia bacterium, which causes a sexually transmitted disease (STD), shares an evolutionary heritage with plants. That shared evolutionary heritage, which is not found in most other bacteria, points to a prime target for development of an effective cure for Chlamydia infections. "The unique connection ...

Robotic whiskers can sense three-dimensional environment

... how mechanical information from the whiskers gets transmitted to the brain and to develop artificial whisker arrays for engineering applications. Mitra J. Hartmann, assistant professor of biomedical engineering and mechanical engineering in the McCormick School of Engineering and Applied Science, and Joseph ...

Train your brain to hear your friends at a party

... we know is a centre of feedback information being transmitted from the brain back to the ear. We're now trying to work out if the OCB is responsible for spatial hearing in ferrets." The Pauline Ashley Prize will allow Irving to work with a team led by Professor Charles Liberman at the Eaton Peabody Lab at MI...

Study shows antibiotic-resistant bacteria responsible for increase in muscle infections

...se community-acquired strains appear to be readily transmitted from person to person and can cause serious skin and soft tissue infections as well as invasive infections such as bone or joint infections or pneumonia. Failure by physicians to suspect this kind of drug-resistant staph can lead to treatment with th...

What does the public really know about HPV?

...apillomaviruses (HPV) are the most common sexually transmitted infections in the United States, and certain "high...cine protects against cervical cancer and sexually transmitted infections; or, the vaccine protects against cervical cancer, sexually transmitted infections and ma...

Study IDs protein that inhibits HIV from growing in cell cultures

... at the time of donation. Because the GBV-virus is transmitted through bodily fluids, as is HIV, many HIV-positive individuals have evidence of past or present infection with GBV-C. Stapleton and Xiang first began studying the GBV-C and HIV connection because they were skeptical of earlier studies published i...

HIV/AIDS linked to extensively drug resistant TB

...viously thought and that XDR tuberculosis has been transmitted to HIV co-infected patients and associated with high mortality." Future studies will involve defining the extent and consequences of the problem in greater detail, Friedland said, with operational research focused on quickly determining what kind ...

Resistance and genetic sensitivity to sleeping sickness

...ckness, is induced by a parasite, the trypanosome, transmitted to humans by the bite of an insect, the glossinid tse-tse fly. There has been a resurgence of this disease over the past 20 years in Sub-Saharan Africa. The World Health Organization (WHO) in a 1998 report estimated the number of people infected to b...

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