Protein 'chatter' linked to cancer activation
...on, ON. August 13, 2007 Scientists have found the existence of cross-talk between human chromosome ends and the protein complexes central to the stability of the entire human genome, a chat that contributes to cancer development. The research, published today in Nature Structural & Molecular Biology, sheds...New, more direct pathways from outside the cell-to-cell nuclei discovered
...tored and processed. The team's discovery of the existence of direct pathways between extracellular material and cell nuclei will be published on August 10, 2007 in Cell Motility and the Cytoskeleton. The team was led by Ray Gavin and funded by the National Science Foundation (NSF). Gavin says that these n......rface. Researchers have previously proposed the existence of "repairosomes" in mammalian cells, similar to s...s. "Humans didn't evolve with cosmic rays, and the existence of repair centers may not be good news for astronauts cosmic rays primarily generate spatial cluste...High rates of HIV infection documented among young Nepalese girls sex-trafficked to India
...-trafficked population and exposes both the tragic existence of the youngest victims and the dire health consequences of this crime. Silverman and his team suggest several likely explanations for the observed high risk for HIV infection among the youngest trafficked girls. Previous research on male brothe...Neurons for numerosity: Parietal neurons 'sum up' individual items in a group
... Illinois at Chicago report novel evidence for the existence of accumulator neurons, which respond to increasing numbers of items in a display with progressively increasing activity, in the parietal cortex of monkeys. The authors focused on the parietal cortex based on evidence that damage to this brain reg...New proteomics research promises to revolutionize biomedical discovery
...pivotal roles in cell function and regulation. The existence and importance of this enzyme was recognized for more than a decade, but it had been so far impossible to isolate it in the sea of proteins that make up human cells and further characterize it. We succeeded in finding the enzyme, which we named MePCE...JCI table of contents: July 12, 2007
...en ER-alpha mRNA and protein levels pointed to the existence of important post-transcriptional control of ER-alpha expression. They found that ER-alphanegative primary breast cancers and cell lines showed increased levels and/or activity of the protein Src, which cooperates with estrogen to activate ER-alpha b...Study finds Western-style 'meat-sweet' diet increases risk of breast cancer in postmenopausal women
...residents of Shanghai, researchers established the existence of two primary dietary patterns ameat-sweet diet and a vegetable-soy diet. The meat-sweet diet is characterized by various meats, primarily pork but also poultry, organ meats, beef and lamb, and shrimp, saltwater fish, and shellfish, as well as can...Size and positioning of floral anthers facilitates pollen collection by bees
...en as habitat loss and climate change threaten the existence of many plants as well as their pollinators. The Floral Genome Project is a consortium of labs in the United States and abroad whose goal is to construct a database that will contain comparative data on the expression patterns for a large number of...Size and positioning of floral anthers facilitates
...en as habitat loss and climate change threaten the existence of many plants as well as their pollinators. The Floral Genome Project is a consortium of labs in the United States and abroad whose goal is to construct a database that will contain comparative data on the expression patterns for a large number of g...Scientists ponder plant life on extrasolar Earthlike planets
...ioxide, for instance. One key biosignature is the existence of disequilibrium the simultaneous presence of th...ce, would be a strong smoking gun for the possible existence of life. Life on the edge They also are looking into the red edge effect. Seen at 7...Weizmann Institute scientists develop a general 'control switch' for protein activity
Our bodies could not maintain their existence without thousands of proteins performing myriad vital tasks within cells. Since malfunctioning proteins can cause disease, the study of protein structure and function can lead to the development of drugs and treatments for numerous disorders. For exa...CSHL scientists successfully target tumor microenvironment to stop cancer growth
...lted from years of inconsistent findings about the existence of EPCs in cancer tumors. Until now, this field of...n split between researchers who have suggested the existence of EPCs and those who have vehemently disputed their presence. The CSHL research posits that tho...Massive herds of animals found to still exist in Southern Sudan
...rk-based Wildlife Conservation Society confirm the existence of more than 1.2 million white-eared kob, tiang antelope and Mongalla gazelle in Southern Sudan, where wildlife was thought to have vanished as a result of decades-long conflict. Despite the war, some species of wildlife in Southern Sudan, last surve...Migration alert -- How tumor cells home in on the lymphatic system
...nment in the vicinity of a tumor, particularly the existence of continuous slow flow in the direction of functional lymphatics. This research could open new avenues for combating metastasis, says Swartz. It implies that if a lymphatic was blocked, tumor cells would be less attracted to it. This means that ...Menthol receptor also important in detecting cold temperatures
...s below 15 C degrees, which indicates the possible existence of another pathway for detecting extreme cold. ...Viable tiger populations, tiger trade incompatible
...ional cooperation to ensure the animal's continued existence in the wild. Habitat loss and intense poaching of tigers and their prey, combined with inadequate government efforts to maintain tiger populations, have resulted in a dramatic reduction in tiger numbers. These big cats now occupy just 7 percent of ...Finding protection from tumor growth in unexpected places
...arge anti-tumor immune response. To confirm the existence of an ACE-specific anti-tumor immune response, normal mice were depleted of their bone marrow and transplanted with ACE 10/10 bone marrow. When the transplanted normal mice were then injected with melanoma cells, they too were able to control tumor g...Threats to wild tigers growing
...ional cooperation to ensure the animal's continued existence in the wild. Despite the discouraging numbers--there are believed to be only about 5,000 wild tigers left--some conservation programs have been successful. Dinerstein and his coauthors highlight a program in the Terai-Arc Landscape of northwestern In...Existence of muscle-building stem cells points to regenerative therapies for muscular disease
...al Cell, a publication of Cell Press, confirms the existence of some apparently uncommitted stem cells amongst cells responsible for generating the bulging biceps of body builders and the rippling abs of fitness buffs. The findings could lead to new muscle-regenerating therapiesincluding cell transplantation r...