New research holds promise for protecting cancer patients against infertility
...otherapy. The scientists observed that there was evidence that ovarian function was suppressed, but that this returned to normal after chemotherapy stopped. Follicle stimulating hormone levels were up in 73% of the patients, but these also subsequently returned to normal. 94% of the patients resumed spo...Manganese levels increase in scrapie-infected sheep before clinical symptoms develop
...the environment. Currently there is insufficient evidence to favour any of these three theories....Generalized reciprocity in rats
...a Rutte and Michael Taborsky demonstrate the first evidence for generalized reciprocal cooperation in non-huma...redicted reciprocal altruism, scientists had found evidence only of direct reciprocity (if you help me, Ill help you) in non-human animals in previous studies. ...JCI Table of Contents -- July 2, 2007
...erium Mycobacterium tuberculosis resist developing evidence of tuberculosis (TB) infection for longer than the...had been in contact with TB and evaluated them for evidence of TB infection. They found that the risk of TB infection was inversely associated with the number o...Europe struggles to meet the challenges posed by PGD patients travelling abroad
...rohibited in the familys country of origin. The evidence provided in this study suggests that doctors in Ir...dren born as a result of prohibited treatment. The evidence indicates some clinics are not deterred, whilst others do not see it as their responsibility. Our ...1,000-year-old Arctic ponds disappearing due to global warming
Research has uncovered alarming evidence that high Arctic ponds, many which have been perma...earchers spent monitoring the ponds, they recorded evidence of recent lower water levels and changes in water chemistry consistent with an increase in evaporati...Time-lapse recordings reveal why IVF embryos are more likely to develop into twins
...ollapse and subsequently degenerated. There was no evidence of embryo splitting during the hatching which was one of the theories as to how twins were formed from a single blastocyst. However, two of the 26 embryos (8%) had two distinct ICMs and a third had a possible second ICM. The most common form of mono...Cloned pigs help scientists towards a breakthrough in Alzheimer's
... both universities, she continues. - We now have evidence that our system is very well suited for the task of making disease models for human medicine, says Professor Gbor Vajta from the Department of Genetics and Biotechnology, Faculty of Agricultural Sciences, University of Aarhus. Associate Professor A...Female iguanas pay high costs to choose a mate
...pecies. These findings provide some of the first evidence that selecting a desirable partner is energetically costly for females. Understanding the costs of being choosy should help to illuminate the process of sexual selection, one of the primary forces driving evolution. ...Researchers find gene that spurs development of the epididymis
...t the abnormality appeared. She found the earliest evidence of a lack of proper coiling in the epididymis betw...ely lengthen the tube. This research adds to the evidence that while testosterone is the master switch that triggers the development of male reproductive stru...Bisphosphonate treatment is associated with jaw bone problems
... write that this study adds to the growing body of evidence linking intravenous bisphosphonates and osteonecrosis of the jaw. Nonetheless, they point out that the study design makes it difficult to determine whether there is a causal relationship. Do bisphosphonates predispose toward inflammatory condition......re severe and persisted for four days, there is no evidence to suggest Melaka virus is fatal. The scientists...identifies three significant discoveries including evidence suggesting Melaka virus can not only infect humans and cause disease, but can be transmitted from on...Human-like altruism shown in chimpanzees
...for Evolutionary Anthropology present experimental evidence that chimpanzees act altruistically toward genetically unrelated conspecifics. In addition, in two comparative experiments, they found that both chimpanzees and human infants helped altruistically regardless of any expectation of reward, even when so...American Chemical Society's Weekly PressPac -- June 20, 2007
...ssions Environmental Science & Technology New evidence reported in ACSs Environmental Science & Technology (ES&T) suggests that anti-idling advocates are on the right track in an ongoing debate over exhaust emissions from school buses. In a study scheduled for the July 15 issue of ES&T, a semi-monthly ......n the last 65 million years of Earths history. The evidence indicates that penguins reached low latitude regions more than 30 million years prior to our previous estimates. The new species are the first fossils to indicate a significant and diverse presence of penguins in equatorial areas during a period t...Penn researchers report that gene therapy awakens the brain despite blindness from birth
...id. In the RPE65 form of the disease, we now have evidence for both, and treatment at the retinal level has the hope of recovery of useful vision in patients....Gut check: Tracking the ecosystem within us
... similar in the twins. This, Palmer said, provided evidence that genetic and environmental factors shape those ecosystems in reproducible ways. "These data are so rich it is hard to benchmark," she explained. "It's nice to have that check with the twins." An important general conclusion, said Palmer, is th...Omega-3 fatty acids protect eyes against retinopathy, study finds
...etinopathy severity. Our findings represent new evidence suggesting the possibility that omega-3 fatty acids act as protective factors in diseases that affect retinal blood vessels, said John Paul SanGiovanni, Sc.D., NEI staff scientist and the other lead author of the study. This is a major conceptual adv...Marker predicts pancreatic cancer outcome after surgery, Jefferson surgeon finds
...er at Jefferson in Philadelphia, has found further evidence supporting the ability of a protein to predict how well a patient with advanced pancreatic cancer will do after surgery, chemotherapy and radiation. The levels of the protein CA 19-9 in the blood can be used to determine the need for further therapy,...St. Jude study shows genes play an unexpected role in their own activation
...to activating a specific gene. The team also found evidence that other proteins can act as back-up co-factors for CBP/p300. This more complex view of how CREB works may help us understand how this single transcription factor can stimulate many different genes, depending on which tissues are using it and whi...