Nature's ambush: pregnancy more likely from single unprotected intercourse than believed
...subtle behavioural cues from the woman or possibly due to the production of pheromones at this time both factors have been suggested in previous studies; Intercourse accelerating ovulation experiments on rodents have suggested this, and a sub-analysis of the new study supports this possibility. Howeve...New research shows that the seasons may be involved in onset of menopause
...mean it is plausible that this process is not just due to the ovaries no longer being able to produce developing egg follicles that provide an adequate hormone supply. Rather, it can be perceived as the ovaries governed by several internal and external factors affected by climatic conditions such as len...Utah scientist helps discover new mouse species -- and maybe a new genus
...of biological diversity in the Philippines, and is due to the hard work and energetic defense of the forest by the local farmers," Rickart said. "Given that second growth forest is widespread, this species may eventually prove to be pretty common." Rickart and Heaney said the animal is not related to ...UF researcher: New low-carb potato to debut in January
...'s low-carbohydrate profile. Hutchinson said it is due in part to the lower specific gravity, which relates to the amount of starch in the potato, compared to the more widely recognized Russet Burbank baking potato. "The smooth, buff-colored skin and light yellow flesh will make this potato an attractive...APP reports Abraxane(TM) is active in breast cancer patients who failed taxol or taxotere
...e anti-cancer agents discovered to date. However, due to the toxic solvents in current taxane preparations, the maximum dose that can be administered is limited. This may have significant implications on the course and ultimate outcome of treatment. If the active drug could be delivered to the tumor a...Lab mice rescued from Type 1 diabetes via dendritic cell-assisted therapy
... research in a mouse model of diabetes is possible due to the efforts of Sayuri Yamazaki," says Tarbell. Yamazaki is a research associate also working in Steinman's laboratory. Last year, she published findings in the Journal of Experimental Medicine showing that suppressor T cells could be isolated and ...Obesity and hypertension: Two epidemics or one?
...be considered the most common form of hypertension due to unknown reasons. Many but not all studies sugge...rom obesity hypertension. Elevated blood pressure due to obesity can cause long-term damage to the body's vital organs and functions. This damage can occ...Lung cancer patients in Japan, United States react differently to the same chemotherapy regimen
...atients had to be given a lower dose of paclitaxel due to toxicity. Even with the lower dose, the Japanes...thy is characterized by tingling, numbness or pain due to nerve damage. Patients in both trials received equivalent levels of carboplatin. Gandara and his...Film found on windows after 9/11 reveals higher level of pollutants
...es, the higher concentrations in New York could be due to the incredible density of the "technosphere" - the large mass of manmade material, Diamond suggests. "This should be seen in the context of a continuum," Diamond continues. "The urban areas contain the largest mass of these chemicals. They're sto...Continents played key role in collapse and regeneration of Earth's early greenhouse, geologists say
...hane too, Lowe says. As carbon dioxide levels fell due to weathering, at some point, levels of carbon dioxide and methane became about equal, he conjectures. This caused the methane to aerosolize into fine particles, creating a haze akin to that which today is present in the atmosphere of Saturn's moon T...Beware cancer, insomnia and liver disease UH students are taking aim
...that, we can pinpoint where developmental problems due to disease occur compared to the normal development of the liver." All three students are members of the Houston Louis Stokes Alliance for Minority Participation (HLSAMP). Led by Program Director Christopher Miller, a UH graduate student and staff...JCI table of contents, 1 June 2004
...in the presence of high concentrations of MS-1 was due to TSHR downregulation and loss of receptor function. This study provides one explanation for the poor correlation between serum TSHR-antibody concentration and thyroid function seen in Graves disease patients. TITLE: Concentration-dependent regula...Tufts researchers identify a novel target for cancer therapy
...o effective and safe treatments against metastases due to the lack of reliable validated drug targets. Hsp90 recently has gained significant attention as an important target for cancer therapeutics and hsp90 inhibitors are currently in Phase I and II clinical trials. Since hsp90 is also a key protein fo...New mouse species found in the Philippines
...of biological diversity in the Philippines, and is due to the hard work and energetic defense of the forest by the local farmers," Heaney said. "Given that second growth forest is widespread, this species may eventually prove to be pretty common." Heaney and Rickart said the animal is not related...Clemson researcher receives Komen grant
..."The involvement of PRL in breast cancer is likely due to, in some cases, the fact that mutated breast cells produce PRL as their own survival-growth factor, which keeps most growth signal at "on" position," said Chen. "This self-sustained, vicious growth ability eventually leads to cancer formation." To...... The authors suggest that changes in age-structure due to heavy fishing may "have severe consequences for...the study involved clinal, or physical differences due to latitude and climate, changes. The native European plant subjects showed genetic clinal variatio...Study may improve survival of transplanted livers
...oke and heart attacks, Lemasters added. Cell death due to reperfusion stress results from damage to the hepatocyte's mitochondria, the cellular site of generation for the primary energy molecule in a cell, called adenosine triphosphate (ATP). This damage, known as mitochondrial permeability transition (M...Promising research: From employment issues to virology
...ncrete" focuses on ultra-high power concrete that, due to its composition and manufacturing method, resem-bles steel rather than normal concrete in terms of load-bearing capacity. The researchers plan to use the programme to lay the technically scientific foundations for using ultra-high power concrete. ...Cancer drug resistance research leads to possible therapeutic target for Alzheimer's disease
...mplex neural connections," Tew said. "This may be due to genetic factors as well as the brain's own process of increasing cholesterol and iron levels in middle age. "In samples of brain sections from Alzheimer's patients, the ABCA2 protein shows unusual patterns of expression," Tew added. "That also su......ns, compared to whites. Ahijevych says this may be due to the fact that all of the black women smoked menthol cigarettes, and menthol smokers tend to inhale greater amounts of smoke because it is somewhat easier to take in, compared to non-mentholated smoke. Researchers also found that black menthol smo...