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Tag: "confirmed" at biology news

Prenatal nicotine exposure reduces breathing response of newborns...

...t of health problems including preterm labor. She confirmed the harm oral bacteria can cause in a mice study in April 2004 when she injected the common oral bacteria of Fusobacterium nucleatum into the blood of pregnant mice. It resulted in premature delivery for the mouse mothers and fetal death for some of...

First link of oral bacteria and preterm birth found in human

...t of health problems including preterm labor. She confirmed the harm oral bacteria can cause in a mice study in April 2004 when she injected the common oral bacteria of Fusobacterium nucleatum into the blood of pregnant mice. It resulted in premature delivery for the mouse mothers and fetal death for some of...

Research tracks whales by listening to sounds

...g in the Gulf of Alaska. "There has been only one confirmed sighting of a right whale in the Gulf of Alaska since 1980, so discovering them is not only surprising, it is fairly significant," said David K. Mellinger, an assistant professor at Oregon State University's Hatfield Marine Science Center in Newport....

Study finds 60 new genes controlled by DNA snippet

...s exerting influence over a gene. Adding the newly confirmed segments to those already known, authors of the study now define the functional mammalian CarGome as 161 sequences, a 55 percent increase from the old definition. Of the genes newly found to be regulated by CArG-SRF, more than half encode for cytos...

UCLA paper examines how one disease may prevent another

...s never get tuberculosis." Subsequent studies have confirmed this observation. ...

One in 14 men having a heart attack drive themselves to hospital

...via the hospitals' casualty departments, who had a confirmed heart attack diagnosis and who were sent to the hospitals' coronary care units were included in the study. ...

Can dogs smell cancer?

...equent studies published in major medical journals confirmed the ability of trained dogs to detect both melanom... were currently smokers. Moreover, the study also confirmed that the trained dogs could even detect the early stages of lung cancer, as well as early breast can...

Biologists develop genome-wide map of miRNA-mRNA interactions

... to regulate them. Parts of the predicted map were confirmed through the development of a novel in vivo method ...ot carry the target 3'UTRs. The laboratory results confirmed the role of specific 3' UTRs in suppressing gene expression even more widely than predicted by the c...

Avian flu transmission to humans may be higher than thought

...nce site in Bavi district, northwest Vietnam, with confirmed outbreaks of highly pathogenic avian influenza (HP... hardest hit by the ongoing H5N1 epidemic, with 87 confirmed human cases of HPAI (with 38 deaths) and 1,838 verified outbreaks in poultry in July 2005. In this ...

New insight into machinery of immune cells' 'tentacles'

...lleagues of the Mayo Clinic College of Medicine -- confirmed the Duke researchers' findings and also implicated the same machinery in regulating calcium mobilization in T cells. In their studies, Pendergast and her colleagues sought to discover the signaling proteins in T cells responsible for formation, or p...

A new way of looking at molecular motors

...eaded flowers with one stem. Soldati and Foth have confirmed that the motor neck and tail evolved together. That finding helped them define some of their new categories. Organisms employ all three types of motors at the same time, but in different proportions. For example, yeast uses six kinesins, five myosi...

Mice lacking social memory molecule take bullying in stride

...red peers subjected to the same hard knocks became confirmed loners ?unless the researchers treated them with antidepressants. "For both mice and men, social status is important; for mice, losing to a dominant mouse usually means that they avoid the dominant and they avoid social situations," explained NIMH...

New brain hormone puts brakes on reproduction

...ui and Bentley in quail and white-crowned sparrows confirmed its role in turning down production of GnRH and thus switching off the gonads. While Bentley collaborated with Tsutsui to determine how GnIH works in birds, the two also teamed up with Kriegsfeld to explore the implications in mammals. Kriegsfeld be...

Predicting chemotherapy outcome

...e results were validated by RT-PCR analysis, which confirmed the differential expression of 22 genes selected from the list. The findings were also confirmed by RT-PCR analysis of colon and liver tumour samples collected from two additional patients. The a...

Stanford/Packard scientist's data-mining technique strikes genetic gold

...n drops significantly in leukemic cells. They also confirmed these relationships by studying genes known to be associated with muscle tissue in both humans and mice. Their classification system was stymied, however, when scientists included too much or too little information in the text annotations, or used i...

U-M scientists identify major psoriasis susceptibility gene

...lly linked to psoriasis," Nair says. "Many studies confirmed a strong association with the MHC, but no one could determine which gene in the MHC was involved in psoriasis." In a previous study, Nair and his U-M colleagues narrowed the search for the PSORS1 gene down to a 300,000-base-pair segment of chromosom...

Honeybee decision-making ability rivals any department committee

... on food. Seeley and his colleagues, however, have confirmed that they dance to report on real estate, too, as part of their group decision-making process. The better the housing site, the stronger the waggle dance, the researchers found, and that prompts other scouts to visit a recommended site. If they agre...

Spousal illness can trigger partner death

...usbands were hospitalized. Further analyses also confirmed that the death of a spouse within the past 30 days was harmful. The death of a wife in the previous 30 days increased her husband's risk of death 53 percent, and the death of a husband increased his wife's risk of death by 61 percent. Beginning in...

Utah researchers confirm chromosome may harbor autism gene

... chip, University of Utah medical researchers have confirmed that a region on a single chromosome probably harbors a gene that causes autism. The researchers at the U School of Medicine made the finding by tracing variations in the DNA of an extended Utah family that has a high occurrence of the disorder and w...

Gene patterns in white blood cells quickly diagnose disease

...athogens (including BTAs) and bacterial toxins and confirmed their results in animal models. "We see very specific changes in gene expression that are quite unique to each pathogen as little as 2 hours after exposure. Use of mathematical modeling tools has identified a list of over 300 genes that can discrim...

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