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Bacteria divide like clockwork
A team of researchers at MIT and the University of California at San Diego has shown how cell division in a type of bacteria known as cyanobacteria is controlled by the same kind of circadian rhythms that govern human sleep patterns. view more (2010-03-19)
Chemists influence stem-cell development with geometry
University of Chicago scientists have successfully used geometrically patterned surfaces to influence the development of stem cells. The new approach is a departure from that of many stem-cell biologists, who focus instead on uncovering the role of proteins in controlling the fate of stem cells. view more (2010-03-18)
Researchers find new chemotherapy combination shows promise in endometrial cancer
Researchers from The University of Texas M. D. Anderson Cancer Center report that in a small study of women with advanced or recurrent endometrial cancer, gemcitabine and cisplatin, when used in combination, produced a response rate in fifty percent of patients. view more (2010-03-18)
Cellular pathway could provide evidence of how cancer and obesity are linked
The link between obesity and disease has been well documented. There's evidence now that obesity and cancer have a strong link, as they've shown in the United States at least 90,000 cancer deaths a year can be attributed to obesity. view more (2010-03-16)
Lost into space
Space physicists from the University of Leicester are part of an international team that has identified the impact of the Sun on Mars' atmosphere. view more (2010-03-15)
Oscillations at odds in the heart
Researchers in Germany show that a classical biological oscillator, the glycolytic oscillator, may increase damage to the heart during acute loss of oxygen (anoxia), and as may occur during ischemia. view more (2010-03-15)
New finding: Strong period pain and excess weight in childhood increases risk of endometriosis
Queensland Institute of Medical Research (QIMR) scientists have identified a new link between strong period pain experienced in adolescence and early adulthood and the risk of endometriosis. view more (2010-03-11)
Different signaling pathways of cholangiocarcinoma
Cholangiocarcinoma (CCA), a bile duct cancer, is one of the major cancers in Northeast Thailand. This cancer is difficult to diagnose and has high metastatic and mortality rates. view more (2010-03-05)
New study introduces the prospect for concurrent antiangiogenic/antitumorigenic therapy
Today, during the 39th Annual Meeting of the American Association for Dental Research, convening at the Walter E. Washington Convention Center in Washington, DC, lead researcher M. Tong, The Ohio State University, will present a poster of a study titled "Epithelial-to-Endothelial Transition: An Epithelial Phenotypic Modulation Facilitating... view more... (2010-03-05)
More Tropical Cyclones in Past Could Play Role in Warmer Future
More frequent tropical cyclones in Earth's ancient past contributed to persistent El Niño-like conditions, according to a team of climate scientists led by Yale University. view more (2010-02-25)
Genome analysis of marine microbe reveals a metabolic minimalist
Flightless birds, blind cave shrimp, and other oddities suggest a "use it or lose it" tendency in evolution. In the microbial world, an unusual marine microorganism appears to have ditched several major metabolic pathways, leaving it with a remarkably reduced set of genes. view more (2010-02-22)
Sanford-Burnham Scientists Identify Natural Compound that Inhibits Cancer Cell Migration
Investigators at Sanford-Burnham Medical Research Institute (Sanford-Burnham, formerly Burnham Institute for Medical Research) led by Kristiina Vuori, M.D., Ph.D., have discovered that the natural compound sceptrin, which is found in marine sponges, reduces cancer cell motility (movement) and has very low toxicity. view more (2010-02-19)
Transforming skin cells into stem cells using a molecular toolkit
In an effort to sidestep the ethical dilemma involved in using human embryonic stem cells to treat diseases, scientists are developing non-controversial alternatives: In particular, they are looking for drug-like chemical compounds that can transform adult skin cells into the stem cells now obtained from human embryos. view more (2010-02-19)
UCR researcher identifies mechanism malaria parasite uses to spread among red blood cells
Malaria remains one of the most deadly infectious diseases. Yet, how Plasmodium, the malaria parasite, regulates its infectious cycle has remained an enigma despite decades of rigorous research. view more (2010-02-19)
The carbon cycle before humans
Geoengineering -- deliberate manipulation of the Earth's climate to slow or reverse global warming -- has gained a foothold in the climate change discussion. view more (2010-02-17)
All eyes on retinal degeneration
Research by Johns Hopkins sensory biologists studying fruit flies, has revealed a critical step in fly vision. Humans with problems in this same step suffer retinal dystrophies, which manifest as visual defects ranging from mild visual impairments to complete blindness. view more (2010-02-17)
Certain pain medications do not appear to be associated with skin cancer risk
Contrary to previous hypotheses, the use of non-steroidal anti-inflammatory drugs does not appear associated with risk of squamous cell skin cancer, according to a report posted online today that will appear in the April print issue of Archives of Dermatology, one of the JAMA/Archives journals. view more (2010-02-16)
New screening system for hepatitis C
A newly designed system of identifying molecules for treating hepatitis C should enable scientists to discover novel and effective therapies for the dangerous and difficult-to-cure disease of the liver, says Zhilei Chen, a Texas A&M University assistant professor of chemical engineering who helped develop the screening system. view more (2010-02-12)
Low forms of cyclin E reduce breast cancer drug's effectiveness
Overexpression of low-molecular-weight (LMW-E) forms of the protein cyclin E renders the aromatase inhibitor letrozole ineffective among women with estrogen-receptor-positive (ER+) breast cancers, researchers from The University of Texas M. D. Anderson Cancer Center report in Clinical Cancer Research. view more (2010-02-10)
38 percent of world's surface in danger of desertification
"Despite improvements in the LCA, it has a methodological weakness, which is a lack of environmental impact categories to measure the effect of human activities such as cultivation or grazing on the soil", Montserrat Núñez, lead author and a researcher at the Institute of Agro Food Research and Technology (IRTA), tells... view more... (2010-02-10)
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