Immune system helps prevent tumors after all
... one of which is protection. But if youre unlucky, transformed tumor cells might alter themselves so the immune system can pick out only a few. The others continue growing." The researchers examined one potential way to flag tumors for easier identification by the immune system. They added a protein called TAP1...Beyond global warming: Where on Earth are we going?!
...ging land Nearly 50% of the land surface has been transformed by our actions and only about 5% remains pristine. What do such massive changes mean for the functioning of the planet? El Nio - Some of the most important effects of climate change will come from its influence on El Nio. Will El Nio events become mo......s rates of glucose uptake. P. tricornutum cells transformed with either the human or microalgal glucose transporter gene increased their rates of glucose uptake over normal cells, while the yeast genes produced no detectable difference in glucose uptake. Unlike normal P. tricornutum , the engineered algae ex...Scientistis say 'business-as-usual' is not an option with global change
... include: Nearly 50% of the land surface has been transformed by direct human action, with significant consequences for biodiversity, nutrient cycling, soil structure and biology, and climate. Most of the remainder has been affected to some extent by human activities and only about 5% is pristine. Extinction r...Scientists map the complete genome of an important agricultural bacterium
...his bacterium in 1979, and the field is completely transformed now," Long concludes. "The S. meliloti genome map marks the beginning of a new era." In addition to her Stanford professorship, Long is an investigator with the Howard Hughes Medical Institute. In September, she will become dean of the School of Huma...... would typically kill them. All mice injected with transformed cells survived, while none of those injected with ... encouraging preliminary results by injecting both transformed and untransformed tumor cells at the same time, and eventually will test the effect of injecting the...Moving gene in plant results in increased production of amino acid
..., a UI professor of crop sciences. The genetically transformed tobacco plants appeared normal, but they contained a four-fold increase of anthranilate synthase, the control enzyme of tryptophan biosynthesis. The leaves, in turn, had a 10-fold increase in tryptophan compared to non-altered plants. The work demon...T cells can halt development of skin cancer, Yale researchers find
...arly defense against skin cells that have recently transformed to a pre-malignant or malignant state."...... to undergo apoptosis?or, in some cases, to become transformed and generate tumors. Telomerase, the enzyme responsible for adding telomere repeats to the end of each chromosome, prevents both gradual chromosomal degradation and sudden loss of normal cell function. However, because telomerase activation is one me...Influence of gender on upper airway structure and function during obstructive sleep apnea
... was normally distributed, the research team first transformed the values to the natural logarithm. Multiple logistic regression analysis was used to determine whether gender, age, BMI, NC, or RL predicted whether a subject had >10 percent of the analyzed breaths showing flow limitation. Protocol 2: Meas...Durable responses reported with Bexxar
...py being studied for the treatment of low-grade or transformed low-grade non-Hodgkin's lymphoma (NHL), provides d...82 patients with relapsed, refractory low-grade or transformed low-grade NHL who received Bexxar in clinical trials from 1990-2000, by John Leonard, M.D., clinical...Research to be presented concerning Bexxar at the American Society of Hematology Annual Meeting
...py being studied for the treatment of low-grade or transformed low-grade non-Hodgkins lymphoma (NHL) includes: Contact: Julie McQuain (212) 477-0472 Sunday, December 9, 2001 [1433] Acute and Delayed Hematologic Toxicities Associated with Bexxar Therapy Are Modest: Overall Experience in Patients with Low-Grade ...Experimental appetite suppressant affects numerous brain messengers in mice
... neurotransmitter levels. Malonyl CoA is normally transformed into a fatty acid by fatty acid synthase. When C75 blocks fatty acid synthase, levels of malonyl CoA rise. Lane says the hypothalamus may recognize increased levels of malonyl CoA as a signal that the animal is eating enough, and thus the molecu......-deadly process during which normal body cells are transformed into malignant ones, likely involves change in the genetic material of the cells known as deoxyribonucleic acid (DNA). Oncogenes are those genes that regulate cell growth, proliferation, and repair of tissues. Oncogenes are also the targets of carc...The building blocks of erection: Nitric oxide...and more nitric oxide
...ined over time. Working with rats and genetically transformed mice, Hopkins scientists found that after an initial burst of nitric oxide from nerve endings triggers erection, blood vessels release more nitric oxide to harden and maintain the erection. "Once blood starts flowing into the penis, the source of nit...'Mercury sunrise' phenomenon found in Antarctica
...ercury is bioavailable and has the potential to be transformed by bacteria into a form that could enter the food ...s that some of the mercury has the potential to be transformed by bacteria, an indication that this mercury may enter polar food webs. The mercury sunrise depends...Rare fossilized tube feet suggest functional shift through time
...e scavengers. Over time, the fine-grained mud was transformed into slate, which was later quarried for roofing shingles. As millions of bacteria fed upon the decaying flesh, their waste products combined with sulfur and iron dissolved in the seawater to form pyrite, said Alexander Glass, a doctoral student at t...Smithsonian calls for renewed international cooperation in sharing biodiversity information
...f the benefits of biodiversity. This strategy was transformed into the Convention on Biological Diversity (CBD) that has now been signed and/or ratified by more than 180 nations. The responsibilities, priorities and practices of taxonomists and natural historians for discovering and describing biodiversity hav...UT Southwestern researchers find protein transforms sedentary muscles to resemble exercised muscles
...e, easily fatigued, or type II, muscle fibers were transformed into fatigue-resistant and mitochondria-rich, or energy-producing, type I muscle fibers, which resemble muscles that have been exercised. This research could lead to novel measures to stimulate muscles in patients with chronic diseases such as conges......o current landscapes as well as modeled landscapes transformed by climate change, in order to identify areas of potential distribution for each species as a result of changing climate. "What we found is that the impacts aren't uniform, and the strongest effects turned out to be in the central Chihuahuan desert,...