Pioneering research on sleeping sickness wins MERIAL Award for Parasitology
...liminate the parasite from the body - but for some reason the amount of TNF produced is excessive. This over-production of TNF leads to symptoms such as anemia and extreme weight loss, which can result in death. The search for a vaccine These findings have led Magez and his colleagues to try to prevent...A thesis of the UGR analyses more than 20-million-year-old vegetation to study climatic evolution
... UGR [ http://www.ugr.es ] points out that another reason for the drop in temperature and the transformation of the vegetation was "the progressive raising of the European Alpine Arch during the Miocene". The importance of this study, which has been published in one of the most prestigious journals of thi...... But when the mouth is free, there appears to be a reason for the demonstrating dog not to use her mouth, and so the dogs imitate the action. The new work shows for the first time that animals do imitate selectively. This reveals a striking parallel between dogs and human infants in that they do not simpl...Female ticks have market on gluttony
...normally and then be able to lay eggs. This is one reason why it might be adaptive for the virgin to remain small until mated." In terms of what causes the female to become so engorged, Kaufman says that when a tick does copulate, the male's seminal fluid contains two engorgement factor proteins that to...Halos and horns: Fixing the 'taste' of diet soda
...vored drinks," Lee said. "It's probably also the reason the new lime diet colas are so popular. The sour taste of the lime works with the carbonation to keep the mouth busy so the consumer doesn't notice the lack of body as much," she added. Ideally the scientists would like to find an ingredient that g...Everything starts with recognition
...stitute DNA) are all in the D form. Once more, the reason for this preference is "historical", but this time goes back millions of years till the origins of the biological world. Scientists believe that current life forms could not exist without the uniform chirality ("homochirality") of these blocks, becau...2-protein team would be lost without each other
... the root tips of rice, and they believe it is the reason that nearly all plants have a single layer of endodermis....Difficult births in obese women due to uterus failure
...our. Professor Wray explained: "We suspect one reason preventing sufficient levels of calcium entering the uterus muscles is the high levels of cholesterol in an obese woman's bloodstream. This could disrupt cell membranes and signalling pathways, including calcium entry. We will be investigating this ...Amur leopard still on the brink of extinction, scientists say
...oduce and nourish their cubs. "Maybe this is the reason why leopards practically completely disappeared from the Korean Peninsula and north-east China," said Dr. Pikunov. "At the beginning of the past century, the Far Eastern leopard was a common species in the southern parts of Sikhote-Alin and in some K...IMS reaction to report on breast cancer incidence in 2003 in US
...idence was observed also around 19879. There is no reason to associate that incidence with hormone use, which shows that other factors may play a role, or that unexplained epidemiological aberrations may occur. Possible confounders were not evaluated in this initial analysis of SEER data. Perhaps the most...Quantum secrets of photosynthesis revealed
...actually works, and misses a crucial aspect of the reason for the wonderful efficiency." Co-authoring the Nature paper with Fleming were Gregory Engel, who was first author, Tessa Calhoun, Elizabeth Read, Tae-Kyu Ahn, Tomas Mancal and Yuan-Chung Cheng, all of whom held joint appointments with Berkeley Lab...Study finds dietary fat interacts with genes
...interaction of the specific SNP with MUFAs was the reason that fat intake did not affect BMI for this group, says Ordovas. This interaction between APOA5 and dietary MUFA intake may explain why the Mediterranean diet, which is rich in MUFAs, is not generally associated with an increase in body weight. Howev...Females do best if they wait a while
...to wait a while." The authors postulate that the reason why young females have such a high mortality rate when attempting to breed is that they are not in as good condition as older females. Because breeding female woodhoopoes lay all the eggs and conduct all the incubation, they pay a potentially high co...Gender linked to development of skin cancer
...ferences instead of more sun exposure may be one reason why men are three times more likely than women to develop certain kinds of skin cancer, say researchers at Ohio State University Medical Center. Squamous cell carcinoma is the second most common form of skin cancer, accounting for nearly 200,000 n...Switching genes to overdrive improves muscular dystrophy symptoms in mice
...ach and signal the fibers to contract. Part of the reason that exercise builds stronger muscles is that it increases PGC-1alpha activity. Conversely, disease or lack of exercise reduces PGC-1alpha activity, causing a loss of NMJ function and weakening, or atrophying, of muscles. Spiegelmans team had previ......ket just remember that this could, in fact, be the reason you are able to walk upright on two legs at all! How we have evolved to walk on two legs remains a fundamental but, as yet, unresolved question for scientists. A popular explanation is that it is our ability to carry objects, particularly children, w...Preventing and treating lung cancer -- ESMO explores collaboration to fight cancer on all fronts
...amily, ethnic, and racial groups. This is the main reason why cancer can truly be fought on all fronts and by all those who are touched in some way by this disease!" "The ESMO International Symposium on Chest Tumors is a three-day meeting held in Geneva at which many of the worlds leading cancer experts w...New chemistry approach promises less expensive drugs
...cious and difficult to work with. "That is one reason why for several years our lab has been looking for catalysts based on organic molecules rather than metals," MacMillan said. "Organic catalysts are generally inexpensive, robust to water and air and environmentally friendly. Organic catalysts, it tur...Gladstone scientists identify critical gene factor in heart development
...careful regulation of many factors, and that's one reason that microRNAs are so exciting to us," said Dr. Sr...requently cause sudden death in humans and are the reason for pacemakers and defibrillators. Loss of miR-1-2 also caused a breakdown of the control of cell d...