Evolutionary relevance of retinoic acid-induced craniofacial malformations
... treated skulls display combinations of characters present in non-mammalian species arranged in a temporal sequence strongly reminiscent of the evolutionary sequence of gnathostomal jaws. They conclude with the hypothesis that modulation of a common regulatory signalling mechanism could be at the origin of c...Origins of nervous system found in genes of sea sponge
...ers looked to see if any of the synapse genes were present in the sponge. That was when the surprise hit, s.... We found a lot of genes to make a nervous system present in the sponge. The research team also found evidence to show that these genes were working together ...Duetting birds with rhythm present a greater threat
...that sing duets with incredible rhythmic precision present a greater threat to other members of their species than those that whistle a sloppier tune, according to a study of Australian magpie-larks reported in the June 5th issue of Current Biology, published by Cell Press. "When partners duet, they signal...Furry-clawed Asian crabs found in Delaware and Chesapeake Bays
...cological and economic damage. We dont know the present status of this crab along the eastern U.S. coast said Gregory Ruiz, senior scientist at the Smithsonian Environmental Research Center. At the moment, it is not clear whether these crabs are reproducing or established in the Mid-Atlantic region, or wh...Smithsonian scientists connect climate change, origins of agriculture in Mexico
...from that of maize, but Zea pollen is consistently present in the cores since the end of the last ice age. Pollen and phytoliths from weeds associated with crop plants become plentiful in the cores at roughly 6300 B.P Charcoal associated with agricultural burning practices also is abundant at that time. Be...Description of a gene implicated in the development of Fanconi anemia and predisposition to cancer
...tients (those affected by the Fanconi anaemia that present alternations of this gene) known around the world....of skeletal tissue (72% of the Fanconi D2 patients present skeletal malformations). In addition, the progression of the disease is more rapid in Fanconi D2 pat...Research finds evidence tropical cyclones have climate-control role
...nstitution in Massachusetts, said Huber and Sriver present strong evidence for a cyclone-driven heat pump. ...the cooling effects of hurricanes from 1981 to the present using the cold wakes that follow a hurricane. "These cold wakes can be easily observed," Sriver sa...Scientists honored with 'Excellence in Clinical Research Award'
...rman, and her husband S. Robert Levine, M.D., will present the fifth annual Excellence In Clinical Research Award to a group of pioneering researchers for their work in regenerating beta cells -- which are destroyed in type 1 diabetes -- as a way to delay the onset of type 1 diabetes. The award will be prese...Extra-aggressive form of idiopathic pulmonary fibrosis identified
...ly evolves slowly. Now, Selman and coworkers present in an article published in the online, open-access journal PLoS ONE on Wednesday 30th May, strong evidence indicating that a subset of IPF patients has a short duration of symptoms before diagnosis and display an accelerated clinical course to end-st...Growth factors and environment combine to increase brain maturation
... development produced by enriched environment. The present work suggests that IGF-1 action in mediating the effects produced by environmental enrichment on visual system could be exerted through an accelerated maturation of inhibitory circuitry, the modulation of which has already been involved in cortical p......t from the National Research Council, assesses the present state of the field and provides possible future directions for plasma science at the national level....New mouse model closely mimics human cancers
...n unexpectedly large number of genetic alterations present in the typical human cancer genome, presenting challenges in the identification of truly causative events. DePinho said that the overlap in patterns of genetic abnormalities found in both mouse and human tumors shows that cancer mechanisms in the t...2007 National Soybean Rust Symposium to be held in Louisville, KY
...), in cooperation with related organizations, will present the 2007 National Soybean Rust Symposium, December 12-14, 2007 at the Marriott Louisville Downtown Hotel in Louisville, KY. "This symposium is truly unique in that it brings together a diverse audience all with a common interest," said Raymond Schn...JCI table of contents: May 24, 2007
...ently, studies in mice have shown that resistin is present in the mouse hypothalamus and that it is capable of activating specific neurons. These and other studies have highlighted the importance of a brain-liver circuit in controlling glucose and insulin handling in the body. In a study appearing online o...New genetic data overturn long-held theory of limb development
...tic capability seen in tetrapods to build limbs is present in even more primitive fish," said lead author Mar...nown in zebrafish, the scientists found that it is present in paddlefish, which reveals that a pattern of gene activity long thought to be unique to vertebrate...Jefferson scientists use gene therapy to reverse heart failure in animals
...ecific "gene promoter" that enabled the gene to be present only in heart cells. The rats with heart failure were then followed for another two months, when their heart pumping function was monitored again. The animals that received the gene therapy had significantly better heart-pumping abilities compared ...Flaws in colonoscopies may increase risk of colon cancer
...ents with the least risk possible." Dr. Lee will present this study on Tuesday, May 22, at 10:30 a.m. in Ro...y in a vulnerable patient group." Dr. Patel will present this study on Wednesday, May 23, at 8:00 a.m. in Hall E. Process Quality Indicators in a Series o...Scientists concerned about effects of global warming on infectious diseases
...models is needed to describe the past, explain the present and predict the future of vector-borne infectious diseases," says David Rogers of Oxford University, also speaking at the meeting. One impact of rising global temperatures, though, can be fairly accurately predicted, says Morse. In the mountains o...A close-up on pancreatic disease: How do we improve the odds?
...who need immediate treatment." Dr. Simeone will present this study on Monday, May 21, at 9:00 a.m. in Room...order to improve overall survival." Dr. Bao will present this study on Tuesday, May 22, at 2:45 p.m. in Room 201. Digital Image Analysis (DIA) of EUS Imag...Studies assess effectiveness of serotonin and nerve stimulants on irritable bowel syndromes
...digestion. Enterochromaffin (EC) cells, which are present throughout the digestive system, release serotonin...s used for smelling) to determine whether odorants present in spices, fragrances, cigarettes, detergents and cosmetics may cause serotonin release, thereby pro...